WebSVN – Games.Carmageddon – Blame – //src/DETHRACE/common/car.c

Rev	Author	Line No.	Line
1	pmbaty	1	// car.c + stuff.c
		2
		3	#include "car.h"
18	pmbaty	4	#include "brender.h"
1	pmbaty	5	#include "brucetrk.h"
		6	#include "car.h"
		7	#include "constants.h"
		8	#include "controls.h"
		9	#include "crush.h"
		10	#include "displays.h"
		11	#include "finteray.h"
		12	#include "globvars.h"
		13	#include "globvrkm.h"
		14	#include "globvrme.h"
		15	#include "globvrpb.h"
		16	#include "graphics.h"
		17	#include "harness/config.h"
		18	#include "harness/trace.h"
		19	#include "netgame.h"
		20	#include "network.h"
		21	#include "oil.h"
		22	#include "opponent.h"
		23	#include "pd/sys.h"
		24	#include "pedestrn.h"
		25	#include "piping.h"
		26	#include "pratcam.h"
		27	#include "raycast.h"
		28	#include "replay.h"
		29	#include "skidmark.h"
		30	#include "sound.h"
		31	#include "spark.h"
18	pmbaty	32	#include "structur.h"
1	pmbaty	33	#include "trig.h"
		34	#include "utility.h"
		35	#include "world.h"
		36	#include <math.h>
		37	#include <stdlib.h>
		38
		39	int gDoing_physics = 0;
		40	br_scalar gDt = 0.f;
		41	// suffix added to avoid duplicate symbol
		42	int gCollision_detection_on__car = 1;
		43	// suffix added to avoid duplicate symbol
		44	br_vector3 gGround_normal__car = { { 0.0f, 1.0f, 0.0f } };
		45	// suffix added to avoid duplicate symbol
		46	void (ControlCar[6])(tCar_spec, br_scalar) = {
		47	&ControlCar1,
		48	&ControlCar2,
		49	&ControlCar3,
		50	&ControlCar4,
		51	&ControlCar5,
		52	NULL,
		53	};
		54	int gControl__car = 3; // suffix added to avoid duplicate symbol
		55	int gFace_num__car = 1; // suffix added to avoid duplicate symbol
		56	br_angle gOld_yaw__car = 0; // suffix added to avoid duplicate symbol
		57	br_angle gOld_zoom = 0;
		58	br_vector3 gCamera_pos_before_collide = { { 0 } };
		59	int gMetal_crunch_sound_id__car[5] = {
		60	// suffix added to avoid duplicate symbol
		61	5000,
		62	5001,
		63	5002,
		64	5003,
		65	5004,
		66	};
		67	int gMetal_scrape_sound_id__car[3] = {
		68	// suffix added to avoid duplicate symbol
		69	5010,
		70	5011,
		71	5012,
		72	};
		73	int gCar_car_collisions = 1;
		74	int gFreeze_mechanics = 0;
		75	tU32 gLast_cunning_stunt = 0;
		76	tU32 gWild_start = 0;
		77	tU32 gQuite_wild_start = 0;
		78	tU32 gQuite_wild_end = 0;
		79	tU32 gOn_me_wheels_start = 0;
		80	int gWoz_upside_down_at_all = 0;
		81	tS3_sound_tag gSkid_tag[2] = { 0, 0 };
		82	tCar_spec* gLast_car_to_skid[2] = { NULL, NULL };
		83	int gEliminate_faces = 0;
		84	br_vector3 gZero_v__car = { { 0 } }; // suffix added to avoid duplicate symbol
		85	tU32 gSwitch_time = 0;
		86	tSave_camera gSave_camera[2];
		87	tU32 gLast_mechanics_time;
		88	int gOpponent_viewing_mode;
		89	int gNet_player_to_view_index = -1;
		90	int gDouble_pling_water = 0;
		91	int gStop_opponents_moving = 0;
		92	float gDefensive_powerup_factor[6] = { 1.0f, 0.825f, 0.65f, 0.475f, 0.3f, 0.01f };
		93	float gOffensive_powerup_factor[6] = { 1.0f, 1.5f, 2.0f, 3.0f, 5.0f, 10.0f };
		94	float gEngine_powerup_factor[6] = { 1.3f, 1.9f, 2.5f, 3.2f, 4.0f, 10.0f };
		95	br_angle gPanning_camera_angle;
		96	br_scalar gPanning_camera_height;
		97	int gFace_count;
		98	float gCar_simplification_factor[2][5] = {
		99	{ 10.0f, 3.0f, 1.5f, 0.75f, 0.0f },
		100	{ 10.0f, 5.0f, 2.5f, 1.5f, 0.0f }
		101	};
		102	int gCar_simplification_level = 0;
		103	int gNum_active_non_cars = 0;
		104	int gCamera_has_collided = 0;
		105	tFace_ref gFace_list__car[150]; // suffix added to avoid duplicate symbol
		106	tNon_car_spec* gActive_non_car_list[50];
		107	int gOver_shoot;
		108	br_scalar gMin_world_y;
		109	br_scalar gAccel;
		110	br_vector3 gAverage_grid_position;
		111	br_actor* gPed_actor;
		112	int gCollision_count;
		113	int gCamera_frozen;
		114	int gMaterial_index;
		115	int gInTheSea;
		116	int gCamera_mode;
		117	br_scalar gOur_yaw__car; // suffix added to avoid duplicate symbol
		118	br_scalar gGravity__car; // suffix added to avoid duplicate symbol
		119	br_vector3 gNew_ground_normal__car; // suffix added to avoid duplicate symbol
		120	char gNon_car_spec_list[100];
		121	tU32 gMechanics_time_sync;
		122	int gNum_cars_and_non_cars;
		123
		124	// IDA: void __usercall DamageUnit(tCar_spec *pCar@<EAX>, int pUnit_type@<EDX>, int pDamage_amount@<EBX>)
		125	void DamageUnit(tCar_spec* pCar, int pUnit_type, int pDamage_amount) {
		126	tDamage_unit* the_damage;
		127	LOG_TRACE("(%p, %d, %d)", pCar, pUnit_type, pDamage_amount);
		128
		129	if (pDamage_amount > 0) {
		130	the_damage = &pCar->damage_units[pUnit_type];
		131	the_damage->damage_level += pDamage_amount;
		132	if (the_damage->damage_level >= 100) {
		133	the_damage->damage_level = 99;
		134	}
		135	}
		136	}
		137
		138	// IDA: void __usercall DamageUnitWithSmoke(tCar_spec *pCar@<EAX>, int pUnit_type@<EDX>, int pDamage_amount@<EBX>)
		139	void DamageUnitWithSmoke(tCar_spec* pCar, int pUnit_type, int pDamage_amount) {
		140	LOG_TRACE("(%p, %d, %d)", pCar, pUnit_type, pDamage_amount);
		141
		142	DamageUnit(pCar, pUnit_type, pDamage_amount);
		143	SortOutSmoke(pCar);
		144	}
		145
		146	// IDA: void __usercall DamageEngine(int pDamage_amount@<EAX>)
		147	void DamageEngine(int pDamage_amount) {
		148	LOG_TRACE("(%d)", pDamage_amount);
		149
		150	DamageUnitWithSmoke(&gProgram_state.current_car, eDamage_engine, pDamage_amount);
		151	}
		152
		153	// IDA: void __usercall DamageTrans(int pDamage_amount@<EAX>)
		154	void DamageTrans(int pDamage_amount) {
		155	LOG_TRACE("(%d)", pDamage_amount);
		156
		157	DamageUnitWithSmoke(&gProgram_state.current_car, eDamage_transmission, pDamage_amount);
		158	}
		159
		160	// IDA: void __usercall DamageSteering(int pDamage_amount@<EAX>)
		161	void DamageSteering(int pDamage_amount) {
		162	LOG_TRACE("(%d)", pDamage_amount);
		163
		164	DamageUnitWithSmoke(&gProgram_state.current_car, eDamage_steering, pDamage_amount);
		165	}
		166
		167	// IDA: void __usercall DamageLFWheel(int pDamage_amount@<EAX>)
		168	void DamageLFWheel(int pDamage_amount) {
		169	LOG_TRACE("(%d)", pDamage_amount);
		170
		171	DamageUnitWithSmoke(&gProgram_state.current_car, eDamage_lf_wheel, pDamage_amount);
		172	}
		173
		174	// IDA: void __usercall DamageLFBrake(int pDamage_amount@<EAX>)
		175	void DamageLFBrake(int pDamage_amount) {
		176	LOG_TRACE("(%d)", pDamage_amount);
		177
		178	DamageUnitWithSmoke(&gProgram_state.current_car, eDamage_lf_brake, pDamage_amount);
		179	}
		180
		181	// IDA: void __usercall DamageLRBrake(int pDamage_amount@<EAX>)
		182	void DamageLRBrake(int pDamage_amount) {
		183	LOG_TRACE("(%d)", pDamage_amount);
		184
		185	DamageUnitWithSmoke(&gProgram_state.current_car, eDamage_lr_brake, pDamage_amount);
		186	}
		187
		188	// IDA: void __usercall DamageLRWheel(int pDamage_amount@<EAX>)
		189	void DamageLRWheel(int pDamage_amount) {
		190	LOG_TRACE("(%d)", pDamage_amount);
		191
		192	DamageUnitWithSmoke(&gProgram_state.current_car, eDamage_lr_wheel, pDamage_amount);
		193	}
		194
		195	// IDA: void __usercall DamageRFWheel(int pDamage_amount@<EAX>)
		196	void DamageRFWheel(int pDamage_amount) {
		197	LOG_TRACE("(%d)", pDamage_amount);
		198
		199	DamageUnitWithSmoke(&gProgram_state.current_car, eDamage_rf_wheel, pDamage_amount);
		200	}
		201
		202	// IDA: void __usercall DamageRFBrake(int pDamage_amount@<EAX>)
		203	void DamageRFBrake(int pDamage_amount) {
		204	LOG_TRACE("(%d)", pDamage_amount);
		205
		206	DamageUnitWithSmoke(&gProgram_state.current_car, eDamage_rf_brake, pDamage_amount);
		207	}
		208
		209	// IDA: void __usercall DamageRRBrake(int pDamage_amount@<EAX>)
		210	void DamageRRBrake(int pDamage_amount) {
		211	LOG_TRACE("(%d)", pDamage_amount);
		212
		213	DamageUnitWithSmoke(&gProgram_state.current_car, eDamage_rr_brake, pDamage_amount);
		214	}
		215
		216	// IDA: void __usercall DamageRRWheel(int pDamage_amount@<EAX>)
		217	void DamageRRWheel(int pDamage_amount) {
		218	LOG_TRACE("(%d)", pDamage_amount);
		219
		220	DamageUnitWithSmoke(&gProgram_state.current_car, eDamage_rr_wheel, pDamage_amount);
		221	}
		222
		223	// IDA: void __usercall CalculatePlaneNormal(br_vector3 pP1@<EAX>, br_vector3 pP2@<EDX>, br_vector3 pP3@<EBX>, br_vector3 pNormal@<ECX>)
		224	void CalculatePlaneNormal(br_vector3* pP1, br_vector3* pP2, br_vector3* pP3, br_vector3* pNormal) {
		225	//br_vector3 p0; // Pierre-Marie Baty -- unused variable
		226	//br_vector3 p1; // Pierre-Marie Baty -- unused variable
		227	//br_vector3 cross_product; // Pierre-Marie Baty -- unused variable
		228	//br_vector3 temp_vector; // Pierre-Marie Baty -- unused variable
		229	LOG_TRACE("(%p, %p, %p, %p)", pP1, pP2, pP3, pNormal);
		230	NOT_IMPLEMENTED();
		231	}
		232
		233	// IDA: void __usercall CalculateGroundNormal(br_model *pThe_model@<EAX>, int pFace_index@<EDX>)
		234	void CalculateGroundNormal(br_model* pThe_model, int pFace_index) {
		235	LOG_TRACE("(%p, %d)", pThe_model, pFace_index);
		236	NOT_IMPLEMENTED();
		237	}
		238
		239	// IDA: void __cdecl ChangeYCoordinate(br_scalar pNew_y, tU32 pTime_taken, br_model *pThe_model, int pFace_index)
		240	void ChangeYCoordinate(br_scalar pNew_y, tU32 pTime_taken, br_model* pThe_model, int pFace_index) {
		241	//br_scalar y_change; // Pierre-Marie Baty -- unused variable
		242	//br_transform new_transform; // Pierre-Marie Baty -- unused variable
		243	//br_vector3 side_window; // Pierre-Marie Baty -- unused variable
		244	LOG_TRACE("(%f, %d, %p, %d)", pNew_y, pTime_taken, pThe_model, pFace_index);
		245	NOT_IMPLEMENTED();
		246	}
		247
		248	// IDA: void __usercall SwitchCarActor(tCar_spec *pCar_spec@<EAX>, int pModel_index@<EDX>)
		249	void SwitchCarActor(tCar_spec* pCar_spec, int pModel_index) {
		250	int i;
		251	LOG_TRACE("(%p, %d)", pCar_spec, pModel_index);
		252
		253	for (i = 0; i < pCar_spec->car_actor_count; i++) {
		254	if (i == pModel_index) {
		255	pCar_spec->car_model_actors[i].actor->render_style = BR_RSTYLE_FACES;
		256	} else {
		257	pCar_spec->car_model_actors[i].actor->render_style = BR_RSTYLE_NONE;
		258	}
		259	}
		260	pCar_spec->current_car_actor = pModel_index;
		261	}
		262
		263	// IDA: void __usercall InitialiseCar2(tCar_spec *pCar@<EAX>, int pClear_disabled_flag@<EDX>)
		264	void InitialiseCar2(tCar_spec* pCar, int pClear_disabled_flag) {
		265	int index;
		266	int j;
		267	//int cat; // Pierre-Marie Baty -- unused variable
		268	//int car_count; // Pierre-Marie Baty -- unused variable
		269	br_actor* car_actor;
		270	//br_angle initial_yaw; // Pierre-Marie Baty -- unused variable
		271	//br_scalar nearest_y_above; // Pierre-Marie Baty -- unused variable
		272	//br_scalar nearest_y_below; // Pierre-Marie Baty -- unused variable
		273	//br_scalar speed; // Pierre-Marie Baty -- unused variable
		274	//int below_face_index; // Pierre-Marie Baty -- unused variable
		275	//int above_face_index; // Pierre-Marie Baty -- unused variable
		276	//br_model* below_model; // Pierre-Marie Baty -- unused variable
		277	//br_model* above_model; // Pierre-Marie Baty -- unused variable
		278	//br_vector3 grid_offset; // Pierre-Marie Baty -- unused variable
		279	//br_matrix34 initial_yaw_matrix; // Pierre-Marie Baty -- unused variable
		280	br_matrix34 safe_position;
		281	LOG_TRACE("(%p, %d)", pCar, pClear_disabled_flag);
		282
		283	PossibleService();
		284	if (pCar->disabled && pClear_disabled_flag) {
		285	EnableCar(pCar);
		286	}
		287	car_actor = pCar->car_master_actor;
		288	InitCarSkidStuff(pCar);
		289	if (pCar->current_car_actor >= 0) {
		290	pCar->car_model_actors[pCar->current_car_actor].actor->render_style = BR_RSTYLE_NONE;
		291	}
		292	SwitchCarActor(pCar, pCar->current_car_actor);
		293	if (strcmp(pCar->name, "STELLA.TXT") == 0) {
		294	pCar->proxy_ray_distance = 6.0f;
		295	} else {
		296	pCar->proxy_ray_distance = 0.0f;
		297	}
		298	pCar->last_special_volume = NULL;
		299	pCar->auto_special_volume = NULL;
		300	pCar->num_smoke_columns = 0;
		301	pCar->who_last_hit_me = NULL;
		302	pCar->screen_material_source = NULL;
		303	if (pCar->screen_material != NULL) {
		304	pCar->screen_material->colour_map = NULL;
		305	pCar->screen_material->index_shade = gRender_shade_table;
		306	BrMaterialUpdate(pCar->screen_material, BR_MATU_ALL);
		307	}
		308	if (pCar->driver == eDriver_local_human) {
		309	ResetRecoveryVouchers();
		310	}
		311	BrVector3SetFloat(&pCar->v, 0.0f, 0.0f, 0.0f);
		312	BrVector3SetFloat(&pCar->omega, 0.0f, 0.0f, 0.0f);
		313	pCar->curvature = 0.0f;
		314	BrMatrix34Copy(&safe_position, &car_actor->t.t.mat);
		315	if (safe_position.m[3][0] > 500.0f) {
		316	safe_position.m[3][0] -= 1000.0f;
		317	safe_position.m[3][1] -= 1000.0f;
		318	safe_position.m[3][2] -= 1000.0f;
		319	}
		320	BrMatrix34Copy(&pCar->old_frame_mat, &safe_position);
		321	BrMatrix34Copy(&pCar->oldmat, &safe_position);
		322	BrVector3Scale((br_vector3)pCar->oldmat.m[3], (br_vector3)pCar->oldmat.m[3], WORLD_SCALE);
		323	BrMatrix34ApplyP(&pCar->pos, &pCar->cmpos, &pCar->oldmat);
		324	BrVector3InvScale(&pCar->pos, &pCar->pos, WORLD_SCALE);
		325	for (j = 0; j < COUNT_OF(pCar->oldd); j++) {
		326	pCar->oldd[j] = pCar->ride_height;
		327	}
		328	pCar->gear = 0;
		329	pCar->revs = 0.f;
		330	pCar->traction_control = 1;
		331	BrVector3Negate(&pCar->direction, (br_vector3*)car_actor->t.t.mat.m[2]);
		332	for (j = 0; j < COUNT_OF(pCar->last_safe_positions); j++) {
		333	BrMatrix34Copy(&pCar->last_safe_positions[j], &safe_position);
		334	}
		335	pCar->message.type = 0;
		336	pCar->message.time = 0;
		337	pCar->dt = -1.f;
		338	pCar->last_car_car_collision = 1;
		339	pCar->time_to_recover = 0;
		340	pCar->repair_time = 0;
		341
		342	switch (pCar->driver) {
		343
		344	case eDriver_oppo:
		345	index = 0;
		346	for (j = 0; j < gCurrent_race.number_of_racers; j++) {
		347	if (gCurrent_race.opponent_list[j].car_spec->driver == eDriver_oppo) {
		348	if (gCurrent_race.opponent_list[j].car_spec == pCar) {
		349	pCar->car_ID = index + 512;
		350	}
		351	index++;
		352	}
		353	}
		354	break;
		355
		356	case eDriver_net_human:
		357	index = 0;
		358	for (j = 0; j < gCurrent_race.number_of_racers; j++) {
		359	if (gCurrent_race.opponent_list[j].car_spec
		360	&& gCurrent_race.opponent_list[j].car_spec->driver == eDriver_net_human) {
		361	if (gCurrent_race.opponent_list[j].car_spec == pCar) {
		362	pCar->car_ID = index + 256;
		363	}
		364	index++;
		365	}
		366	}
		367	break;
		368
		369	case eDriver_local_human:
		370	pCar->car_ID = 0;
		371	break;
		372
		373	default:
		374	LOG_WARN("Case %d not handled", pCar->driver);
		375	break;
		376	}
		377	PossibleService();
		378	pCar->box_face_ref = gFace_num__car - 2;
		379	pCar->doing_nothing_flag = 0;
		380	pCar->end_steering_damage_effect = 0;
		381	pCar->end_trans_damage_effect = 0;
		382	pCar->wheel_dam_offset[0] = 0.f;
		383	pCar->wheel_dam_offset[1] = 0.f;
		384	pCar->wheel_dam_offset[2] = 0.f;
		385	pCar->wheel_dam_offset[3] = 0.f;
		386	pCar->shadow_intersection_flags = 0;
		387	pCar->underwater_ability = 0;
		388	pCar->invulnerable = 0;
		389	pCar->wall_climber_mode = 0;
		390	pCar->grip_multiplier = 1.f;
		391	pCar->damage_multiplier = 1.f;
		392	pCar->collision_mass_multiplier = 1.f;
		393	pCar->engine_power_multiplier = 1.f;
		394	pCar->bounce_rate = 0.f;
		395	pCar->bounce_amount = 0.f;
		396	pCar->knackered = 0;
		397	TotallyRepairACar(pCar);
		398	SetCarSuspGiveAndHeight(pCar, 1.f, 1.f, 1.f, 0.f, 0.f);
		399	for (j = 0; j < COUNT_OF(pCar->powerups); ++j) {
		400	pCar->powerups[j] = 0;
		401	}
		402	if (gNet_mode != eNet_mode_none) {
		403	for (j = 0; j < COUNT_OF(pCar->power_up_levels); j++) {
		404	pCar->power_up_levels[j] = 0;
		405	}
		406	}
		407	}
		408
		409	// IDA: void __usercall InitialiseCar(tCar_spec *pCar@<EAX>)
		410	void InitialiseCar(tCar_spec* pCar) {
		411	LOG_TRACE("(%p)", pCar);
		412
		413	InitialiseCar2(pCar, 1);
		414	}
		415
		416	// IDA: void __usercall InitialiseCarsEtc(tRace_info *pThe_race@<EAX>)
		417	void InitialiseCarsEtc(tRace_info* pThe_race) {
		418	int i;
		419	int cat;
		420	int car_count;
		421	tCar_spec* car;
		422	br_bounds bnds;
		423	LOG_TRACE("(%p)", pThe_race);
		424
		425	gProgram_state.initial_position = pThe_race->initial_position;
		426	gProgram_state.initial_yaw = pThe_race->initial_yaw;
		427	BrActorToBounds(&bnds, gProgram_state.track_spec.the_actor);
		428	gMin_world_y = bnds.min.v[1];
		429	gNum_active_non_cars = 0;
		430	for (cat = eVehicle_self; cat <= eVehicle_not_really; cat++) {
		431	if (cat == eVehicle_self) {
		432	car_count = 1;
		433	} else {
		434	car_count = GetCarCount(cat);
		435	}
		436	for (i = 0; i < car_count; i++) {
		437	PossibleService();
		438	if (cat == eVehicle_self) {
		439	car = &gProgram_state.current_car;
		440	} else {
		441	car = GetCarSpec(cat, i);
		442	}
		443	if (cat != eVehicle_not_really) {
		444	InitialiseCar(car);
		445	}
		446	}
		447	}
		448	gCamera_yaw = 0;
		449	InitialiseExternalCamera();
		450	gLast_mechanics_time = 0;
		451	}
		452
		453	// IDA: void __usercall GetAverageGridPosition(tRace_info *pThe_race@<EAX>)
		454	void GetAverageGridPosition(tRace_info* pThe_race) {
		455	int i;
		456	br_scalar total_cars;
		457	tCar_spec* car;
		458	LOG_TRACE("(%p)", pThe_race);
		459
		460	total_cars = 0.0f;
		461	BrVector3SetFloat(&gAverage_grid_position, 0.0f, 0.0f, 0.0f);
		462	for (i = 0; i < pThe_race->number_of_racers; i++) {
		463	car = pThe_race->opponent_list[i].car_spec;
		464	BrVector3Accumulate(&gAverage_grid_position, &car->pos);
		465	total_cars += 1.0f;
		466	}
		467	BrVector3InvScale(&gAverage_grid_position, &gAverage_grid_position, total_cars);
		468	}
		469
		470	// IDA: void __usercall SetInitialPosition(tRace_info *pThe_race@<EAX>, int pCar_index@<EDX>, int pGrid_index@<EBX>)
		471	void SetInitialPosition(tRace_info* pThe_race, int pCar_index, int pGrid_index) {
		472	int place_on_grid;
		473	int i;
		474	int start_i;
		475	int j;
		476	br_actor* car_actor;
		477	br_angle initial_yaw;
		478	br_scalar nearest_y_above;
		479	br_scalar nearest_y_below;
		480	//br_scalar speed; // Pierre-Marie Baty -- unused variable
		481	int below_face_index;
		482	int above_face_index;
		483	br_model* below_model;
		484	br_model* above_model;
		485	tCar_spec* car;
		486	br_vector3 grid_offset;
		487	br_vector3 dist;
		488	br_vector3 real_pos;
		489	br_matrix34 initial_yaw_matrix;
		490	//br_bounds bnds; // Pierre-Marie Baty -- unused variable
		491	LOG_TRACE("(%p, %d, %d)", pThe_race, pCar_index, pGrid_index);
		492
		493	initial_yaw = 0;
		494	car_actor = pThe_race->opponent_list[pCar_index].car_spec->car_master_actor;
		495	car = pThe_race->opponent_list[pCar_index].car_spec;
		496	BrMatrix34Identity(&car_actor->t.t.mat);
		497	place_on_grid = 1;
		498	if (gNet_mode != eNet_mode_none && !gCurrent_net_game->options.grid_start && pThe_race->number_of_net_start_points != 0) {
		499	start_i = i = IRandomBetween(0, pThe_race->number_of_net_start_points - 1);
		500	do {
		501	PossibleService();
		502	for (j = 0; j < gNumber_of_net_players; j++) {
		503	if (j != pCar_index) {
		504	BrVector3Copy(&real_pos, &pThe_race->opponent_list[j].car_spec->car_master_actor->t.t.translate.t);
		505	if (real_pos.v[0] > 500.f) {
		506	real_pos.v[0] -= 1000.f;
		507	real_pos.v[1] -= 1000.f;
		508	real_pos.v[2] -= 1000.f;
		509	}
		510	BrVector3Sub(&dist, &real_pos, &pThe_race->net_starts[i].pos);
		511	if (BrVector3LengthSquared(&dist) < 16.f) {
		512	break;
		513	}
		514	}
		515	}
		516	if (j == gNumber_of_net_players) {
		517	BrVector3Copy(&car_actor->t.t.translate.t, &pThe_race->net_starts[i].pos);
		518	initial_yaw = BrDegreeToAngle(pThe_race->net_starts[i].yaw);
		519	place_on_grid = 0;
		520	}
		521	i++;
		522	if (i == pThe_race->number_of_net_start_points) {
		523	i = 0;
		524	}
		525	} while (start_i != i);
		526	}
		527	if (place_on_grid) {
		528	initial_yaw = BrDegreeToAngle(pThe_race->initial_yaw);
		529	BrMatrix34RotateY(&initial_yaw_matrix, initial_yaw);
		530	grid_offset.v[0] = 0.0f - pGrid_index % 2;
		531	grid_offset.v[1] = 0.0f;
		532	grid_offset.v[2] = (br_scalar)(pGrid_index / 2) * 2.0f + (br_scalar)(pGrid_index % 2) * 0.4f;
		533	BrMatrix34ApplyV(&car_actor->t.t.translate.t, &grid_offset, &initial_yaw_matrix);
		534	BrVector3Accumulate(&car_actor->t.t.translate.t, &pThe_race->initial_position);
		535	}
		536	FindBestY(
		537	&car_actor->t.t.translate.t,
		538	gTrack_actor,
		539	10.0f,
		540	&nearest_y_above,
		541	&nearest_y_below,
		542	&above_model,
		543	&below_model,
		544	&above_face_index,
		545	&below_face_index);
		546	if (nearest_y_above != 30000.0f) {
		547	car_actor->t.t.translate.t.v[1] = nearest_y_above;
		548	} else if (nearest_y_below != -30000.0f) {
		549	car_actor->t.t.translate.t.v[1] = nearest_y_below;
		550	} else {
		551	car_actor->t.t.translate.t.v[1] = 0.0f;
		552	}
		553	BrMatrix34PreRotateY(&car_actor->t.t.mat, initial_yaw);
		554	if (gNet_mode) {
		555	BrMatrix34Copy(
		556	&gNet_players[pThe_race->opponent_list[pCar_index].net_player_index].initial_position,
		557	&car->car_master_actor->t.t.mat);
		558	}
		559	if (gNet_mode != eNet_mode_none && car->disabled && car_actor->t.t.translate.t.v[0] < 500.0f) {
		560	DisableCar(car);
		561	}
		562	// Enable to start all opponent cars upside down ;)
		563	// if (strstr(car->name, "EAGLE") == 0) {
		564	// car_actor->t.t.translate.t.v[1] += 2;
		565	// car_actor->t.t.look_up.up.v[1] = -1;
		566	// }
		567	}
		568
		569	// IDA: void __usercall SetInitialPositions(tRace_info *pThe_race@<EAX>)
		570	void SetInitialPositions(tRace_info* pThe_race) {
		571	int i;
		572	LOG_TRACE("(%p)", pThe_race);
		573
		574	for (i = 0; i < pThe_race->number_of_racers; i++) {
		575	SetInitialPosition(pThe_race, i, i);
		576	}
		577	}
		578
		579	// IDA: void __usercall InitialiseNonCar(tNon_car_spec *non_car@<EAX>)
		580	void InitialiseNonCar(tNon_car_spec* non_car) {
		581	tCollision_info* c;
		582	LOG_TRACE("(%p)", non_car);
		583
		584	c = &non_car->collision_info;
		585	BrMatrix34Copy(&c->oldmat, &c->car_master_actor->t.t.mat);
		586	non_car->collision_info.box_face_ref = gFace_num__car - 2;
		587	non_car->collision_info.doing_nothing_flag = 1;
		588	non_car->collision_info.disabled = 0;
		589	BrVector3SetFloat(&c->v, 0.0f, 0.0f, 0.0f);
		590	BrVector3SetFloat(&c->omega, 0.0f, 0.0f, 0.0f);
		591	BrVector3SetFloat(&c->oldomega, 0.0f, 0.0f, 0.0f);
		592	non_car->collision_info.box_face_ref = gFace_num__car - 2;
		593	c->collision_flag = 0;
		594	c->who_last_hit_me = NULL;
		595	if (c->car_master_actor->identifier[3] == '!') {
		596	c->M = non_car->free_mass;
		597	c->min_torque_squared = 0.0f;
		598	BrVector3Copy(&c->cmpos, &non_car->free_cmpos);
		599	} else {
		600	c->M = non_car->attached_mass;
		601	BrVector3Copy(&c->cmpos, &non_car->attached_cmpos);
		602	c->min_torque_squared = non_car->min_torque_squared;
		603	}
		604	BrVector3Scale(&c->I, &non_car->I_over_M, c->M);
		605	c->message.type = 0;
		606	c->message.time = 0;
		607	c->dt = -1.0f;
		608	c->last_car_car_collision = 1;
		609	}
		610
		611	// IDA: void __usercall GetFacesInBox(tCollision_info *c@<EAX>)
		612	void GetFacesInBox(tCollision_info* c) {
		613	tBounds bnds;
		614	br_bounds new_in_old;
		615	br_bounds predicted_bounds;
		616	br_matrix34 mat;
		617	br_matrix34 mat2;
		618	br_matrix34 mat3;
		619	br_matrix34 mat4;
		620	br_matrix34 mat5;
		621	br_matrix34 mat6;
		622	br_scalar old_d;
		623	int i;
		624	br_bounds current_bounds;
		625	LOG_TRACE("(%p)", c);
		626
		627	BrMatrix34Copy(&mat, &c->car_master_actor->t.t.mat);
		628	BrMatrix34Copy(&mat2, &c->oldmat);
		629	BrVector3InvScale((br_vector3)mat.m[3], (br_vector3)mat.m[3], WORLD_SCALE);
		630	BrVector3InvScale((br_vector3)mat2.m[3], (br_vector3)mat2.m[3], WORLD_SCALE);
		631	BrMatrix34LPInverse(&mat3, &mat);
		632	BrMatrix34Mul(&mat4, &mat2, &mat3);
		633	GetNewBoundingBox(&bnds.original_bounds, c->bounds, &mat4);
		634	for (i = 0; i < 3; i++) {
		635	if (bnds.original_bounds.min.v[i] > c->bounds[0].min.v[i]) {
		636	bnds.original_bounds.min.v[i] = c->bounds[0].min.v[i];
		637	}
		638	if (bnds.original_bounds.max.v[i] < c->bounds[0].max.v[i]) {
		639	bnds.original_bounds.max.v[i] = c->bounds[0].max.v[i];
		640	}
		641	bnds.original_bounds.min.v[i] -= 0.002f;
		642	bnds.original_bounds.max.v[i] += 0.002f;
		643	}
		644	GetNewBoundingBox(&c->bounds_world_space, &bnds.original_bounds, &mat);
		645	c->bounds_ws_type = eBounds_ws;
		646	if ((c->box_face_ref != gFace_num__car && (c->box_face_ref != gFace_num__car - 1 \|\| c->box_face_start <= gFace_count))
		647	\|\| (BrMatrix34Mul(&mat5, &mat, &c->last_box_inv_mat),
		648	GetNewBoundingBox(&new_in_old, &bnds.original_bounds, &mat5),
		649	c->last_box.max.v[0] <= new_in_old.max.v[0])
		650	\|\| c->last_box.max.v[1] <= new_in_old.max.v[1]
		651	\|\| c->last_box.max.v[2] <= new_in_old.max.v[2]
		652	\|\| c->last_box.min.v[0] >= new_in_old.min.v[0]
		653	\|\| c->last_box.min.v[1] >= new_in_old.min.v[1]
		654	\|\| c->last_box.min.v[2] >= new_in_old.min.v[2]) {
		655	BrMatrix34Mul(&mat5, &mat4, &mat4);
		656	BrMatrix34Mul(&mat6, &mat5, &mat4);
		657	BrMatrix34LPInverse(&mat5, &mat6);
		658	GetNewBoundingBox(&predicted_bounds, c->bounds, &mat5);
		659	for (i = 0; i < 3; i++) {
		660	if (bnds.original_bounds.min.v[i] > predicted_bounds.min.v[i]) {
		661	bnds.original_bounds.min.v[i] = predicted_bounds.min.v[i];
		662	}
		663	if (bnds.original_bounds.max.v[i] < predicted_bounds.max.v[i]) {
		664	bnds.original_bounds.max.v[i] = predicted_bounds.max.v[i];
		665	}
		666	bnds.original_bounds.min.v[i] -= 0.02f;
		667	bnds.original_bounds.max.v[i] += 0.02f;
		668	}
		669	c->last_box = bnds.original_bounds;
		670	BrMatrix34Copy(&c->last_box_inv_mat, &mat3);
		671	bnds.mat = &mat;
		672	c->box_face_start = gFace_count;
		673	gPling_face = NULL;
		674	gFace_count += FindFacesInBox(&bnds, &gFace_list__car[gFace_count], COUNT_OF(gFace_list__car) - gFace_count);
		675	if (gFace_count >= COUNT_OF(gFace_list__car)) {
		676	c->box_face_start = 0;
		677	gFace_count = FindFacesInBox(&bnds, gFace_list__car, COUNT_OF(gFace_list__car));
		678	gFace_num__car++;
		679	}
		680	old_d = c->water_d;
		681	if (c->driver == eDriver_local_human
		682	&& c->water_d != 10000.f
		683	&& gDouble_pling_water
		684	&& BrVector3Dot(&c->bounds_world_space.max, &c->water_normal) - c->water_d <= 0.f) {
		685	gInTheSea = 1;
		686	FreezeCamera();
		687	}
		688	if (gPling_face != NULL && fabsf(gPling_face->normal.v[1]) >= 0.9f) {
		689	BrVector3Copy(&c->water_normal, &gPling_face->normal);
		690	if (c->water_normal.v[1] < 0.f) {
		691	BrVector3Negate(&c->water_normal, &c->water_normal);
		692	}
		693	c->water_d = BrVector3Dot(&gPling_face->v[0], &c->water_normal);
		694	if (c->driver == eDriver_local_human) {
		695	if (gPling_face->material->identifier[1] != '!') {
		696	gDouble_pling_water = 0;
		697	} else {
		698	if (BrVector3Dot(&c->bounds_world_space.min, &c->water_normal) - c->water_d < 0.0f) {
		699	GetNewBoundingBox(&current_bounds, &c->bounds[1], &c->car_master_actor->t.t.mat);
		700	if (BrVector3Dot(&current_bounds.min, &c->water_normal) / WORLD_SCALE - c->water_d < 0.0f) {
		701	gInTheSea = 1;
		702	FreezeCamera();
		703	}
		704	}
		705	gDouble_pling_water = 1;
		706	}
		707	}
		708	} else {
		709	c->water_d = 10000.0;
		710	if (c->driver == eDriver_local_human) {
		711	if (gInTheSea == 1) {
		712	gInTheSea = 2;
		713	} else {
		714	gInTheSea = 0;
		715	}
		716	}
		717	}
		718	if (c->water_d != old_d) {
		719	StartPipingSession(ePipe_chunk_splash);
		720	AddSplashToPipingSession(c);
		721	EndPipingSession();
		722	}
		723	c->box_face_end = gFace_count;
		724	c->box_face_ref = gFace_num__car;
		725	}
		726	}
		727
		728	// IDA: int __cdecl IsCarInTheSea()
		729	int IsCarInTheSea(void) {
		730	LOG_TRACE("()");
		731
		732	return gInTheSea;
		733	}
		734
		735	// IDA: void __usercall RememberSafePosition(tCar_spec *car@<EAX>, tU32 pTime@<EDX>)
		736	void RememberSafePosition(tCar_spec* car, tU32 pTime) {
		737	static tU32 time_count;
		738	int j;
		739	br_vector3 r;
		740	//br_scalar ts; // Pierre-Marie Baty -- unused variable
		741	LOG_TRACE("(%p, %d)", car, pTime);
		742
		743	if (car->disabled) {
		744	return;
		745	}
		746	time_count += pTime;
		747	if (time_count < 5000) {
		748	return;
		749	}
		750	time_count = 4000;
		751	for (j = 0; j < 4; j++) {
		752	if (car->susp_height[j >> 1] <= car->oldd[j]) {
		753	return;
		754	}
		755	}
		756	if ((car->last_special_volume == NULL \|\| car->last_special_volume->gravity_multiplier == 1.f)
		757	&& gCurrent_race.material_modifiers[car->material_index[0]].tyre_road_friction >= 0.1f
		758	&& gCurrent_race.material_modifiers[car->material_index[1]].tyre_road_friction >= 0.1f
		759	&& gCurrent_race.material_modifiers[car->material_index[2]].tyre_road_friction >= 0.1f
		760	&& gCurrent_race.material_modifiers[car->material_index[3]].tyre_road_friction >= 0.1f
		761	&& car->car_master_actor->t.t.mat.m[1][1] > 0.8f) {
		762
		763	for (j = 0; j < 5; j++) {
		764	BrVector3Sub(&r, &car->car_master_actor->t.t.translate.t, (br_vector3*)car->last_safe_positions[j].m[3]);
		765
		766	if (BrVector3LengthSquared(&r) < 8.4015961f) {
		767	return;
		768	}
		769	}
		770	for (j = 3; j > 0; j--) {
		771	BrMatrix34Copy(&car->last_safe_positions[j], &car->last_safe_positions[j - 1]);
		772	}
		773	BrMatrix34Copy(&car->last_safe_positions[0], &car->car_master_actor->t.t.mat);
		774	time_count = 0;
		775	}
		776	}
		777
		778	// IDA: void __usercall ControlOurCar(tU32 pTime_difference@<EAX>)
		779	void ControlOurCar(tU32 pTime_difference) {
		780	br_scalar ts;
		781	br_vector3 minus_k;
		782	tCar_spec* car;
		783	static int steering_locked;
		784	//int i; // Pierre-Marie Baty -- unused variable
		785	tU32 time;
		786	LOG_TRACE("(%d)", pTime_difference);
		787
		788	car = &gProgram_state.current_car;
		789	if (gCar_flying) {
		790	if (gNet_mode != eNet_mode_none) {
		791	gCar_flying = 0;
		792	} else {
		793	BrVector3Scale(&car->car_master_actor->t.t.translate.t, &car->car_master_actor->t.t.translate.t, WORLD_SCALE);
		794	FlyCar(car, pTime_difference / 1000.f);
		795	BrVector3InvScale(&car->car_master_actor->t.t.translate.t, &car->car_master_actor->t.t.translate.t, WORLD_SCALE);
		796	}
		797	return;
		798	}
		799	time = GetTotalTime();
		800	if (car->damage_units[eDamage_steering].damage_level > 40) {
		801	if (car->end_steering_damage_effect) {
		802	if (time < car->end_steering_damage_effect \|\| car->damage_units[eDamage_steering].damage_level == 99) {
		803	car->keys.left = car->false_key_left;
		804	car->keys.right = car->false_key_right;
		805	} else {
		806	car->end_steering_damage_effect = 0;
		807	}
		808	} else {
		809	ts = pTime_difference * (car->damage_units[eDamage_steering].damage_level - 40) * 0.0045f;
		810	if (PercentageChance(ts) && fabsf(car->velocity_car_space.v[2]) > 0.0001f) {
		811	if (car->keys.left \|\| car->keys.right) {
		812	car->false_key_left = !car->keys.left;
		813	car->false_key_right = !car->keys.right;
		814	} else if (PercentageChance(50)) {
		815	car->false_key_left = 1;
		816	} else {
		817	car->false_key_right = 1;
		818	}
		819	ts = 5 * (5 * car->damage_units[eDamage_steering].damage_level - 200);
		820	car->end_steering_damage_effect = FRandomBetween(0.0f, ts) + time;
		821	}
		822	}
		823	}
		824	if (car->damage_units[eDamage_transmission].damage_level > 40) {
		825	if (car->end_trans_damage_effect) {
		826	if (time < car->end_trans_damage_effect \|\| car->damage_units[eDamage_transmission].damage_level == 99) {
		827	car->gear = 0;
		828	car->just_changed_gear = 1;
		829	} else {
		830	car->end_trans_damage_effect = 0;
		831	}
		832	} else {
		833	ts = pTime_difference * (car->damage_units[eDamage_transmission].damage_level - 40) * 0.006;
		834	if (PercentageChance(ts) != 0) {
		835	ts = 10 * (5 * car->damage_units[eDamage_transmission].damage_level - 200);
		836	car->end_trans_damage_effect = FRandomBetween(0.f, ts) + time;
		837	}
		838	}
		839	}
		840	ts = pTime_difference / 1000.0f;
		841	ControlCar[gControl__car](car, ts);
		842	RememberSafePosition(car, pTime_difference);
		843	if (gCamera_reset) {
		844	BrVector3SetFloat(&minus_k, 0.0f, 0.0f, -1.0f);
		845	gCamera_sign = 0;
		846	BrMatrix34ApplyV(&car->direction, &minus_k, &car->car_master_actor->t.t.mat);
		847	}
		848	}
		849
		850	// IDA: void __usercall CalcEngineForce(tCar_spec *c@<EAX>, br_scalar dt)
		851	void CalcEngineForce(tCar_spec* c, br_scalar dt) {
		852	br_scalar torque;
		853	br_scalar ts;
		854	br_scalar ts2;
		855	//br_scalar brake_temp; // Pierre-Marie Baty -- unused variable
		856	int sign;
		857	tS32 temp_for_swap;
		858	LOG_TRACE("(%p, %f)", c, dt);
		859
		860	c->acc_force = 0.0f;
		861	if (c->revs == 0.0f) {
		862	c->gear = 0;
		863	}
		864	sign = c->gear < 0 \|\| (c->gear == 0 && c->velocity_car_space.v[2] > 0.5f);
		865	if (c->keys.backwards != sign) {
		866	c->keys.backwards = !c->keys.backwards;
		867	temp_for_swap = c->keys.acc;
		868	c->keys.acc = c->keys.dec;
		869	c->keys.dec = temp_for_swap;
		870
		871	temp_for_swap = c->joystick.acc;
		872	c->joystick.acc = c->joystick.dec;
		873	c->joystick.dec = temp_for_swap;
		874	}
		875	if (!c->gear && !c->keys.acc && c->joystick.acc <= 0 && (c->keys.dec \|\| c->joystick.dec > 0) && !c->keys.backwards && fabs(c->velocity_car_space.v[2]) < 1.0) {
		876	c->keys.backwards = 1;
		877	c->keys.acc = c->keys.dec;
		878	c->keys.dec = 0;
		879	temp_for_swap = c->joystick.acc;
		880	c->joystick.acc = c->joystick.dec;
		881	c->joystick.dec = temp_for_swap;
		882	}
		883	c->torque = -(c->revs * c->revs / 100000000.0f) - 0.2f;
		884	if (c->keys.acc \|\| c->joystick.acc >= 0) {
		885	if (fabsf(c->curvature) > c->maxcurve / 2.0f && c->gear < 2 && c->gear && c->traction_control) {
		886	ts = 0.7f;
		887	} else if (c->joystick.acc < 0) {
		888	ts = (br_scalar) 1.2; // Pierre-Marie Baty -- added type cast
		889	} else {
18	pmbaty	890	ts = c->joystick.acc / 54613.0f;
1	pmbaty	891	}
		892
		893	torque = c->engine_power_multiplier * ts * gEngine_powerup_factor[c->power_up_levels[1]];
		894	if (c->damage_units[0].damage_level > 10) {
		895	torque = (1.0f - (double)(c->damage_units[0].damage_level - 10) / 100.0f) * torque;
		896	}
		897	c->torque += torque;
		898	} else {
		899	c->traction_control = 1;
		900	}
		901	if (!c->keys.dec && (!c->keys.acc \|\| c->gear) && c->joystick.dec <= 0 && (c->joystick.acc <= 0 \|\| c->gear)) {
		902	c->brake_force = 0.0f;
		903	} else {
		904	if (c->joystick.dec > 0) {
		905	c->brake_force = (double)(c->joystick.dec / 0x10000) * c->brake_increase + c->initial_brake;
		906	}
		907	if (c->brake_force == 0.0f) {
		908	c->brake_force = c->initial_brake;
		909	} else {
		910	c->brake_force += c->brake_increase * dt;
		911	if (c->initial_brake + c->brake_increase < c->brake_force) {
		912	c->brake_force = c->initial_brake + c->brake_increase;
		913	}
		914	}
		915	}
		916	if (c->gear) {
		917	c->acc_force = c->force_torque_ratio * c->torque / (float)c->gear;
		918	if (c->brake_force == 0.0f) {
		919	if (c->revs - 1.0f > c->target_revs \|\| c->revs + 1.0f < c->target_revs) {
		920	ts2 = c->torque * dt / 0.0002 + c->revs - c->target_revs;
		921	c->acc_force += ts2 / ((1.0f / (c->speed_revs_ratio * c->M) / (float)c->gear + 1.0 / (c->force_torque_ratio * 0.0002) * (double)c->gear) * dt);
		922	}
		923	} else {
		924	c->revs = c->target_revs;
		925	}
		926	}
		927	}
		928
		929	// IDA: void __usercall PrepareCars(tU32 pFrame_start_time@<EAX>)
		930	void PrepareCars(tU32 pFrame_start_time) {
		931	tCar_spec* car;
		932	int i;
		933	static tU32 last_frame_start;
		934	LOG_TRACE("(%d)", pFrame_start_time);
		935
		936	last_frame_start = pFrame_start_time;
		937	for (i = 0; i < gNum_cars_and_non_cars; i++) {
		938	car = gActive_car_list[i];
		939	BrVector3Scale(&car->car_master_actor->t.t.translate.t, &car->car_master_actor->t.t.translate.t, WORLD_SCALE);
		940	BrVector3Scale(&car->velocity_car_space, &car->velocity_car_space, WORLD_SCALE * 1000.f);
		941	car->frame_collision_flag = gOver_shoot && car->collision_flag;
		942	if (car->driver > eDriver_non_car) {
		943	RecordLastDamage(car);
		944	if (car->driver == eDriver_oppo && gStop_opponents_moving) {
		945	car->acc_force = 0.0f;
		946	car->brake_force = 0.0f;
		947	car->keys.acc = 0;
		948	car->keys.dec = 0;
		949	car->joystick.acc = -1;
		950	car->joystick.dec = -1;
		951	}
		952	if (!car->wheel_slip) {
		953	StopSkid(car);
		954	}
		955	if (car->driver == eDriver_net_human && car->message.time < pFrame_start_time - 1000) {
		956	car->keys.acc = 0;
		957	car->keys.dec = 0;
		958	car->joystick.acc = -1;
		959	car->joystick.dec = -1;
		960	car->keys.horn = 0;
		961	}
		962	SetSmokeLastDamageLevel(car);
		963	}
		964	BrMatrix34Copy(&car->car_master_actor->t.t.mat, &car->oldmat);
		965	}
		966	}
		967
		968	// IDA: void __usercall FinishCars(tU32 pLast_frame_time@<EAX>, tU32 pTime@<EDX>)
		969	void FinishCars(tU32 pLast_frame_time, tU32 pTime) {
		970	tCar_spec* car;
		971	br_vector3 minus_k;
		972	int i;
		973	int wheel;
		974	//br_scalar scale; // Pierre-Marie Baty -- unused variable
		975	LOG_TRACE("(%d, %d)", pLast_frame_time, pTime);
		976
		977	for (i = 0; i < gNum_cars_and_non_cars; i++) {
		978	car = gActive_car_list[i];
		979	if (fabsf(car->omega.v[0]) > 10000.f
		980	\|\| fabsf(car->omega.v[1]) > 10000.f
		981	\|\| fabsf(car->omega.v[2]) > 10000.f) {
		982	BrVector3SetFloat(&car->omega, 0.f, 0.f, 0.f);
		983	BrVector3SetFloat(&car->v, 0.f, 0.f, 0.f);
		984	}
		985	BrVector3InvScale(&car->velocity_car_space, &car->velocity_car_space, WORLD_SCALE * 1000.0f);
		986	BrVector3InvScale(&car->car_master_actor->t.t.translate.t, &car->car_master_actor->t.t.translate.t, WORLD_SCALE);
		987
		988	car->speed = BR_LENGTH2(car->v.v[0], car->v.v[2]) / (WORLD_SCALE * 1000.0f);
		989	BrVector3Negate(&minus_k, (br_vector3*)car->car_master_actor->t.t.mat.m[2]);
		990	if (car->speed <= 0.0001f) {
		991	if (BrVector3Dot(&car->direction, &minus_k) < 0.f) {
		992	BrVector3SetFloat(&minus_k, 0.f, 0.f, 1.f);
		993	} else {
		994	BrVector3SetFloat(&minus_k, 0.f, 0.f, -1.f);
		995	}
		996	BrMatrix34ApplyV(&car->direction, &minus_k, &car->car_master_actor->t.t.mat);
		997	} else if (gLast_mechanics_time > pLast_frame_time && gCar_to_view == car) {
		998	BrVector3Sub(&car->old_v, &car->old_v, &car->v);
		999	BrVector3Scale(&car->old_v, &car->old_v, (gLast_mechanics_time - pLast_frame_time) / harness_game_config.physics_step_time);
		1000	BrVector3Accumulate(&car->old_v, &car->v);
		1001	BrVector3Normalise(&car->direction, &car->old_v);
		1002	} else {
		1003	BrVector3Normalise(&car->direction, &car->v);
		1004	}
		1005	if (car->driver >= eDriver_oppo) {
		1006	car->speedo_speed = BrVector3Dot(&minus_k, &car->v) / (WORLD_SCALE * 1000.0f);
		1007
		1008	car->steering_angle = BrRadianToDegree(atanf((car->wpos[0].v[2] - car->wpos[2].v[2]) * car->curvature));
		1009
		1010	car->lr_sus_position = (car->ride_height - car->oldd[0]) / WORLD_SCALE;
		1011	car->rr_sus_position = (car->ride_height - car->oldd[1]) / WORLD_SCALE;
		1012	car->lf_sus_position = (car->ride_height - car->oldd[2]) / WORLD_SCALE;
		1013	car->rf_sus_position = (car->ride_height - car->oldd[3]) / WORLD_SCALE;
		1014	for (wheel = 0; wheel < 4; wheel++) {
		1015	if (car->oldd[wheel] < car->susp_height[wheel >> 1] && gCurrent_race.material_modifiers[car->material_index[wheel]].smoke_type >= 2 && !car->doing_nothing_flag) {
		1016	GenerateContinuousSmoke(car, wheel, pTime);
		1017	}
		1018	}
		1019	}
		1020	}
		1021	}
		1022
		1023	// IDA: void __usercall InterpolateCars(tU32 pLast_frame_time@<EAX>, tU32 pTime@<EDX>)
		1024	void InterpolateCars(tU32 pLast_frame_time, tU32 pTime) {
		1025	br_scalar dt;
		1026	tCar_spec* car;
		1027	int i;
		1028	LOG_TRACE("(%d, %d)", pLast_frame_time, pTime);
		1029
		1030	dt = ((int)(gLast_mechanics_time - pLast_frame_time)) / 1000.0;
		1031	if (dt > 0.04 \|\| dt < 0)
		1032	dt = 0;
		1033
		1034	gOver_shoot = dt > 0.0;
		1035
		1036	for (i = 0; i < gNum_cars_and_non_cars; i++) {
		1037	car = gActive_car_list[i];
		1038	BrMatrix34Copy(&car->oldmat, &car->car_master_actor->t.t.mat);
		1039	SimpleRotate((tCollision_info*)car, -dt);
		1040	TranslateCar((tCollision_info*)car, -dt);
		1041	BrMatrix34ApplyP(&car->pos, &car->cmpos, &car->car_master_actor->t.t.mat);
		1042	BrVector3InvScale(&car->pos, &car->pos, WORLD_SCALE);
		1043	}
		1044	}
		1045
		1046	// IDA: void __cdecl ResetOldmat()
		1047	void ResetOldmat(void) {
		1048	tCar_spec* car;
		1049	int i;
		1050	br_matrix34 mat;
		1051	static int normalise_count = 0;
		1052	LOG_TRACE("()");
		1053
		1054	for (i = 0; i < gNum_cars_and_non_cars; i++) {
		1055	BrMatrix34Copy(&gActive_car_list[i]->oldmat, &gActive_car_list[i]->car_master_actor->t.t.mat);
		1056	}
		1057	normalise_count++;
		1058	if (normalise_count > 50) {
		1059	normalise_count = 0;
		1060	for (i = 0; i < gNum_cars_and_non_cars; i++) {
		1061	car = gActive_car_list[i];
		1062	BrMatrix34LPNormalise(&mat, &car->car_master_actor->t.t.mat);
		1063	BrMatrix34Copy(&car->car_master_actor->t.t.mat, &mat);
		1064	}
		1065	}
		1066	}
		1067
		1068	// IDA: void __cdecl GetNonCars()
		1069	void GetNonCars(void) {
		1070	int i;
		1071	int j;
		1072	LOG_TRACE("()");
		1073
		1074	gNum_cars_and_non_cars = gNum_active_non_cars + gNum_active_cars;
		1075	j = 0;
		1076	for (i = gNum_active_cars; i < gNum_cars_and_non_cars; i++) {
		1077	gActive_car_list[i] = (tCar_spec*)gActive_non_car_list[j];
		1078	j++;
		1079	}
		1080	}
		1081
		1082	// IDA: void __usercall GetNetPos(tCar_spec *pCar@<EAX>)
		1083	void GetNetPos(tCar_spec* pCar) {
18	pmbaty	1084	int j;
		1085	float amount;
		1086	br_scalar total_deflection;
1	pmbaty	1087	LOG_TRACE("(%p)", pCar);
18	pmbaty	1088
		1089	if (gNet_mode == eNet_mode_host && pCar->last_car_car_collision > pCar->message.cc_coll_time) {
		1090	pCar->message.type = 0;
		1091	pCar->dt = -1.0f;
		1092	return;
		1093	}
		1094	if (fabsf(pCar->message.omega.v[0]) > 10000.0
		1095	\|\| fabsf(pCar->message.omega.v[1]) > 10000.0
		1096	\|\| fabsf(pCar->message.omega.v[2]) > 10000.0
		1097	\|\| fabsf(pCar->message.omega.v[0]) > 10000.0
		1098	\|\| fabsf(pCar->message.omega.v[1]) > 10000.0
		1099	\|\| fabsf(pCar->message.omega.v[2]) > 10000.0) {
		1100	BrVector3SetFloat(&pCar->message.omega, 0.0, 0.0, 0.0);
		1101	BrVector3SetFloat(&pCar->message.v, 0.0, 0.0, 0.0);
		1102	}
		1103	GetExpandedMatrix(&pCar->car_master_actor->t.t.mat, &pCar->message.mat);
		1104	if (gNet_mode == eNet_mode_client) {
		1105	BrMatrix34Copy(&pCar->oldmat, &pCar->car_master_actor->t.t.mat);
		1106	}
		1107	BrVector3Copy(&pCar->v, &pCar->message.v);
		1108	BrVector3Copy(&pCar->omega, &pCar->message.omega);
		1109
		1110	if (pCar->driver > eDriver_non_car) {
		1111	pCar->curvature = pCar->message.curvature * pCar->maxcurve / 32767.0f;
		1112
		1113	for (j = 0; j < COUNT_OF(pCar->oldd); j++) {
		1114	pCar->oldd[j] = (pCar->message.d[j] * pCar->susp_height[j >> 1]) / 255.0f;
		1115	}
		1116	if (pCar->driver == eDriver_oppo \|\| pCar->repair_time >= pCar->message.repair_time) {
		1117	for (j = 0; j < COUNT_OF(pCar->damage_units); j++) {
		1118	pCar->damage_units[j].damage_level = pCar->message.damage[j];
		1119	}
		1120	SortOutSmoke(pCar);
		1121	} else {
		1122	if (pCar->message.repair_time - pCar->repair_time < 100000) {
		1123	amount = RepairCar2(pCar, pCar->message.repair_time - pCar->repair_time, &total_deflection);
		1124	} else {
		1125	TotallyRepairACar(pCar);
		1126	pCar->repair_time = pCar->message.repair_time;
		1127	}
		1128	for (j = 0; j < COUNT_OF(pCar->damage_units); j++) {
		1129	pCar->damage_units[j].damage_level = pCar->message.damage[j];
		1130	}
		1131	SetSmokeLastDamageLevel(pCar);
		1132	StopCarSmoking(pCar);
		1133	}
		1134	if (pCar->driver == eDriver_net_human) {
		1135	pCar->revs = pCar->message.revs;
		1136	}
		1137	if (pCar->driver >= eDriver_net_human) {
		1138	pCar->bounds[1].min.v[2] = pCar->message.front;
		1139	pCar->bounds[1].max.v[2] = pCar->message.back;
		1140	}
		1141	if (pCar->driver != eDriver_local_human) {
		1142	for (j = 0; j < COUNT_OF(pCar->wheel_dam_offset); j++) {
		1143	pCar->wheel_dam_offset[j] = pCar->message.wheel_dam_offset[j];
		1144	}
		1145	}
		1146	GetFacesInBox((tCollision_info*)pCar);
		1147	}
		1148
		1149	pCar->message.type = 0;
		1150	pCar->last_car_car_collision = pCar->message.cc_coll_time;
1	pmbaty	1151	}
		1152
		1153	// IDA: void __usercall ApplyPhysicsToCars(tU32 last_frame_time@<EAX>, tU32 pTime_difference@<EDX>)
		1154	void ApplyPhysicsToCars(tU32 last_frame_time, tU32 pTime_difference) {
		1155	//br_vector3 minus_k; // Pierre-Marie Baty -- unused variable
		1156	int i;
		1157	int old_num_cars;
		1158	int step_number;
		1159	int dam_index;
		1160	static int steering_locked;
		1161	tCar_spec* car = NULL;
		1162	tCollision_info* car_info;
		1163	tNon_car_spec* non_car;
		1164	//tU32 time_step; // Pierre-Marie Baty -- unused variable
		1165	tU32 frame_end_time;
		1166	LOG_TRACE("(%d, %d)", last_frame_time, pTime_difference);
		1167
		1168	step_number = 0;
		1169	frame_end_time = last_frame_time + pTime_difference;
		1170	if (gFreeze_mechanics) {
		1171	return;
		1172	}
		1173	if (gNet_mode == eNet_mode_client) {
		1174	ForceRebuildActiveCarList();
		1175	}
		1176	if (gLast_mechanics_time < last_frame_time) {
		1177	gLast_mechanics_time = harness_game_config.physics_step_time * (last_frame_time / harness_game_config.physics_step_time);
		1178	}
		1179	GetNonCars();
		1180	if (frame_end_time <= gLast_mechanics_time) {
		1181	PrepareCars(last_frame_time);
		1182	InterpolateCars(frame_end_time, pTime_difference);
		1183	FinishCars(frame_end_time, pTime_difference);
		1184	return;
		1185	}
		1186
		1187	gDoing_physics = 1;
		1188	PrepareCars(last_frame_time);
		1189	gDt = harness_game_config.physics_step_time / 1000.0; // 0.04;
		1190	gMechanics_time_sync = pTime_difference - (gLast_mechanics_time - last_frame_time);
		1191	while (gLast_mechanics_time < frame_end_time && step_number < 5) {
		1192	step_number++;
		1193	ResetOldmat();
		1194	BrVector3Copy(&gProgram_state.current_car.old_v, &gProgram_state.current_car.v);
		1195	if (&gProgram_state.current_car != gCar_to_view) {
		1196	BrVector3Copy(&gCar_to_view->old_v, &gCar_to_view->v);
		1197	}
		1198	for (i = 0; i < gNum_active_cars; i++) {
		1199	car = gActive_car_list[i];
		1200	car->dt = -1.f;
18	pmbaty	1201	if (car->message.type == NETMSGID_MECHANICS && car->message.time >= gLast_mechanics_time && car->message.time <= gLast_mechanics_time + harness_game_config.physics_step_time) {
		1202	// time between car message and next mechanics
		1203	car->dt = (gLast_mechanics_time + harness_game_config.physics_step_time - car->message.time) / 1000.0f;
		1204	// if the time between car message and next mechanics is about equal to timestep
		1205	if (car->dt >= gDt - 0.0001f) {
1	pmbaty	1206	GetNetPos(car);
		1207	} else if (gNet_mode == eNet_mode_host) {
		1208	car->dt = -1.f;
		1209	} else {
		1210	for (dam_index = 0; dam_index < COUNT_OF(car->damage_units); dam_index++) {
		1211	if (car->damage_units[dam_index].damage_level < car->message.damage[dam_index]) {
		1212	car->dt = -1.f;
		1213	break;
		1214	}
		1215	}
		1216	if (car->dt >= 0.f) {
		1217	GetNetPos(car);
		1218	}
		1219	}
		1220	}
		1221	if (!car->disabled
		1222	&& (!car->doing_nothing_flag \|\| (car->driver >= eDriver_net_human && (!gPalette_fade_time \|\| car->driver != eDriver_local_human)))) {
		1223	if (car->box_face_ref != gFace_num__car
		1224	&& (car->box_face_ref != gFace_num__car - 1 \|\| car->box_face_start <= gFace_count)) {
		1225	car_info = (tCollision_info*)car;
		1226	GetFacesInBox(car_info);
		1227	}
		1228	if (car->dt != 0.f) {
		1229	MoveAndCollideCar(car, gDt);
		1230	}
		1231	}
		1232	}
		1233	for (i = 0; i < gNum_active_non_cars; i++) {
		1234	non_car = gActive_non_car_list[i];
		1235	if (!non_car->collision_info.doing_nothing_flag) {
		1236	non_car->collision_info.dt = -1.f;
18	pmbaty	1237	if (non_car->collision_info.message.type == NETMSGID_NONCAR_INFO && non_car->collision_info.message.time >= gLast_mechanics_time && gLast_mechanics_time + harness_game_config.physics_step_time >= non_car->collision_info.message.time) {
1	pmbaty	1238	non_car->collision_info.dt = (gLast_mechanics_time + harness_game_config.physics_step_time - non_car->collision_info.message.time) / 1000.0f;
		1239	GetNetPos((tCar_spec*)non_car);
		1240	}
		1241	if (non_car->collision_info.box_face_ref != gFace_num__car
		1242	&& (non_car->collision_info.box_face_ref != gFace_num__car - 1
		1243	\|\| non_car->collision_info.box_face_start <= gFace_count)) {
		1244	GetFacesInBox(&non_car->collision_info);
		1245	}
		1246	if (non_car->collision_info.dt != 0.0f) {
		1247	MoveAndCollideNonCar(non_car, gDt);
		1248	}
		1249	}
		1250	}
		1251	do {
		1252	old_num_cars = gNum_cars_and_non_cars;
		1253	CrashCarsTogether(gDt);
		1254	} while (old_num_cars < gNum_cars_and_non_cars);
		1255	gMechanics_time_sync -= harness_game_config.physics_step_time;
		1256	gLast_mechanics_time += harness_game_config.physics_step_time;
		1257	}
		1258	gMechanics_time_sync = 1;
		1259	SendCarData(gLast_mechanics_time);
		1260	InterpolateCars(frame_end_time, pTime_difference);
		1261	FinishCars(frame_end_time, pTime_difference);
		1262	gDoing_physics = 0;
		1263	CheckForDeAttachmentOfNonCars(pTime_difference);
		1264	}
		1265
		1266	// IDA: void __usercall MungeSpecialVolume(tCollision_info *pCar@<EAX>)
		1267	void MungeSpecialVolume(tCollision_info* pCar) {
		1268	tSpecial_volume* new_special_volume;
		1269	//tCar_spec* car; // Pierre-Marie Baty -- unused variable
		1270	LOG_TRACE("(%p)", pCar);
		1271
		1272	new_special_volume = FindSpecialVolume(&pCar->pos, pCar->last_special_volume);
		1273	if (pCar->auto_special_volume != NULL && (new_special_volume == NULL \|\| new_special_volume->gravity_multiplier == 1.f)) {
		1274	if (pCar->water_d == 10000.f && pCar->water_depth_factor != 1.f) {
		1275	pCar->auto_special_volume = NULL;
		1276	} else {
		1277	new_special_volume = pCar->auto_special_volume;
		1278	}
		1279	}
		1280	if (pCar->last_special_volume != new_special_volume && pCar->driver == eDriver_local_human) {
		1281	if (pCar->last_special_volume != NULL && pCar->last_special_volume->exit_noise >= 0 && (new_special_volume == NULL \|\| pCar->last_special_volume->exit_noise != new_special_volume->exit_noise)) {
		1282	DRS3StartSound(gCar_outlet, pCar->last_special_volume->exit_noise);
		1283	}
		1284	if (new_special_volume != NULL && new_special_volume->entry_noise >= 0 && (pCar->last_special_volume == NULL \|\| pCar->last_special_volume->entry_noise != new_special_volume->entry_noise)) {
		1285	DRS3StartSound(gCar_outlet, new_special_volume->entry_noise);
		1286	}
		1287	}
		1288	pCar->last_special_volume = new_special_volume;
		1289	if (new_special_volume != NULL && pCar->num_smoke_columns != 0 && pCar->last_special_volume != NULL && pCar->last_special_volume->gravity_multiplier < 1.f) {
		1290	StopCarSmoking((tCar_spec*)pCar);
		1291	}
		1292	}
		1293
		1294	// IDA: void __usercall ResetCarSpecialVolume(tCollision_info *pCar@<EAX>)
		1295	void ResetCarSpecialVolume(tCollision_info* pCar) {
		1296	br_vector3 cast_v;
		1297	br_vector3 norm;
		1298	br_scalar t;
		1299	int id_len;
		1300	char* mat_id;
		1301	tSpecial_volume* new_special_volume;
		1302	br_material* material;
		1303	LOG_TRACE("(%p)", pCar);
		1304
		1305	new_special_volume = NULL;
		1306	BrVector3Set(&cast_v, 0.f, 200.f, 0.f);
		1307	DisablePlingMaterials();
		1308	FindFace(&pCar->car_master_actor->t.t.translate.t, &cast_v, &norm, &t, &material);
		1309	EnablePlingMaterials();
		1310	if (t < 100.0f && material != NULL) {
		1311	mat_id = material->identifier;
		1312	if (mat_id) {
		1313	id_len = strlen(mat_id);
		1314	if (id_len > 0 && (mat_id == '!' \|\| mat_id == '#')) {
		1315	new_special_volume = GetDefaultSpecialVolumeForWater();
		1316	}
		1317	}
		1318	}
		1319	pCar->auto_special_volume = new_special_volume;
		1320	pCar->water_depth_factor = 1.0f;
		1321	}
		1322
		1323	// IDA: void __usercall TestAutoSpecialVolume(tCollision_info *pCar@<EAX>)
		1324	void TestAutoSpecialVolume(tCollision_info* pCar) {
		1325	br_vector3 pos;
		1326	//br_scalar car_d; // Pierre-Marie Baty -- unused variable
		1327	br_scalar d;
		1328	br_scalar d2;
		1329	br_vector3 dir;
		1330	br_vector3 tv;
		1331	br_vector3 lp;
		1332	br_vector3 hp;
		1333	tSpecial_volume* vol;
		1334	br_matrix34* mat;
		1335	br_scalar lowest_p;
		1336	br_scalar highest_p;
		1337	br_scalar val;
		1338	int i;
		1339	LOG_TRACE("(%p)", pCar);
		1340
		1341	mat = &pCar->car_master_actor->t.t.mat;
		1342	highest_p = 0.f;
		1343	for (i = 0; i < 3; i++) {
		1344	highest_p += BrVector3Dot((br_vector3)mat->m[i], &pCar->water_normal) pCar->bounds[0].min.v[i];
		1345	}
		1346	highest_p += BrVector3Dot((br_vector3*)mat->m[3], &pCar->water_normal) / WORLD_SCALE;
		1347	lowest_p = highest_p;
		1348	for (i = 0; i < 3; i++) {
		1349	val = (pCar->bounds[0].max.v[i] - pCar->bounds[0].min.v[i]) * BrVector3Dot((br_vector3*)mat->m[i], &pCar->water_normal);
		1350	if (val >= 0.f) {
		1351	highest_p += val;
		1352	} else {
		1353	lowest_p += val;
		1354	}
		1355	}
		1356
		1357	if (pCar->water_d > lowest_p) {
		1358	if (pCar->water_d >= highest_p) {
		1359	pCar->water_depth_factor = 1.f;
		1360	} else {
		1361	pCar->water_depth_factor = (pCar->water_d - lowest_p) / (highest_p - lowest_p);
		1362	}
		1363	if (pCar->auto_special_volume == NULL) {
		1364	vol = GetDefaultSpecialVolumeForWater();
		1365	if (vol == NULL) {
		1366	pCar->water_depth_factor = 1.f;
		1367	pCar->auto_special_volume = NULL;
		1368	} else {
		1369	BrVector3Scale(&tv, &pCar->bounds[0].min, WORLD_SCALE);
		1370	BrMatrix34ApplyP(&lp, &tv, mat);
		1371	BrVector3InvScale(&lp, &lp, WORLD_SCALE);
		1372	BrVector3Copy(&hp, &lp);
		1373	for (i = 0; i < 3; i++) {
		1374	val = pCar->bounds[0].max.v[i] - pCar->bounds[0].min.v[i];
		1375	BrVector3Scale(&tv, (br_vector3*)mat->m[i], val);
		1376	if (BrVector3Dot(&pCar->water_normal, &tv) > 0.f) {
		1377	BrVector3Accumulate(&hp, &tv);
		1378	} else {
		1379	BrVector3Accumulate(&lp, &tv);
		1380	}
		1381	}
		1382	BrVector3Sub(&dir, &hp, &lp);
		1383	DisablePlingMaterials();
		1384	FindFloorInBoxBU(&lp, &dir, &tv, &d, pCar);
		1385	EnablePlingMaterials();
		1386	FindFloorInBoxBU(&pos, &dir, &tv, &d2, pCar);
		1387	if (d2 <= d) {
		1388	pCar->water_depth_factor = 1.f;
		1389	pCar->auto_special_volume = NULL;
		1390	} else {
		1391	pCar->auto_special_volume = vol;
		1392	}
		1393	}
		1394	}
		1395	} else {
		1396	pCar->auto_special_volume = NULL;
		1397	pCar->water_depth_factor = 1.f;
		1398	}
		1399	}
		1400
		1401	// IDA: void __usercall MoveAndCollideCar(tCar_spec *car@<EAX>, br_scalar dt)
		1402	void MoveAndCollideCar(tCar_spec* car, br_scalar dt) {
		1403	tCollision_info* car_info;
		1404	int wheel;
		1405	LOG_TRACE("(%p, %f)", car, dt);
		1406
		1407	if (car->dt >= 0.f) {
		1408	dt = car->dt;
		1409	}
		1410	if (dt != 0.f && (!gCar_flying \|\| &gProgram_state.current_car != car)) {
		1411	car_info = (tCollision_info*)car;
		1412	car->new_skidding = 0;
		1413	if (car->water_d != 10000.0f) {
		1414	TestAutoSpecialVolume(car_info);
		1415	}
		1416	MungeSpecialVolume(car_info);
		1417	if (car->driver <= eDriver_oppo) {
		1418	CalcForce(car, dt);
		1419	} else {
		1420	CalcEngineForce(car, dt);
		1421	CalcForce(car, dt);
		1422	DoRevs(car, dt);
		1423	}
		1424	RotateCar(car_info, dt);
		1425	TranslateCar(car_info, dt);
		1426	CollideCarWithWall(car_info, dt);
		1427	BrMatrix34ApplyP(&car->pos, &car->cmpos, &car->car_master_actor->t.t.mat);
		1428	BrVector3InvScale(&car->pos, &car->pos, WORLD_SCALE);
		1429	for (wheel = 0; wheel < 4; wheel++) {
		1430	SkidMark(car, wheel);
		1431	}
		1432	}
		1433	}
		1434
		1435	// IDA: void __usercall MoveAndCollideNonCar(tNon_car_spec *non_car@<EAX>, br_scalar dt)
		1436	void MoveAndCollideNonCar(tNon_car_spec* non_car, br_scalar dt) {
		1437	tCollision_info* car_info;
		1438	LOG_TRACE("(%p, %f)", non_car, dt);
		1439
		1440	car_info = &non_car->collision_info;
		1441	if (car_info->water_d != 10000.f) {
		1442	TestAutoSpecialVolume(&non_car->collision_info);
		1443	}
		1444	MungeSpecialVolume(&non_car->collision_info);
		1445	if (car_info->dt >= 0.f) {
		1446	dt = car_info->dt;
		1447	}
		1448	NonCarCalcForce(non_car, dt);
		1449	RotateCar(&non_car->collision_info, dt);
		1450	TranslateCar(&non_car->collision_info, dt);
		1451	CollideCarWithWall(&non_car->collision_info, dt);
		1452	BrMatrix34ApplyP(&car_info->pos, &car_info->cmpos, &car_info->car_master_actor->t.t.mat);
		1453	BrVector3InvScale(&car_info->pos, &car_info->pos, WORLD_SCALE);
		1454	}
		1455
		1456	// IDA: int __usercall CollideCarWithWall@<EAX>(tCollision_info *car@<EAX>, br_scalar dt)
		1457	int CollideCarWithWall(tCollision_info* car, br_scalar dt) {
		1458	LOG_TRACE("(%p, %f)", car, dt);
		1459
		1460	GetFacesInBox(car);
		1461	if (gCollision_detection_on__car) {
		1462	car->collision_flag = 0;
		1463	while (CollCheck(car, dt)) {
		1464	car->collision_flag++;
		1465	if (car->collision_flag - 1 > 20) {
		1466	car->collision_flag = 1;
		1467	BrVector3Set(&car->v, 0.f, 0.f, 0.f);
		1468	BrVector3Set(&car->omega, 0.f, 0.f, 0.f);
		1469	break;
		1470	}
		1471	RotateCar(car, dt);
		1472	TranslateCar(car, dt);
		1473	GetFacesInBox(car);
		1474	}
		1475	if (car->collision_flag) {
		1476	CrashEarnings(CAR(car), NULL);
		1477	}
		1478	BrMatrix34TApplyV(&car->velocity_car_space, &car->v, &car->oldmat);
		1479	car->frame_collision_flag += car->collision_flag;
		1480	}
		1481	return car->collision_flag;
		1482	}
		1483
		1484	// IDA: void __cdecl ToggleControls()
		1485	void ToggleControls(void) {
		1486	LOG_TRACE("()");
		1487
		1488	gControl__car++;
18	pmbaty	1489	if (ControlCar[gControl__car] == NULL) {
1	pmbaty	1490	gControl__car = 0;
		1491	}
		1492	switch (gControl__car) {
		1493	case 0:
		1494	NewTextHeadupSlot(4, 0, 500, -1, "Original Controls");
		1495	break;
		1496	case 1:
		1497	NewTextHeadupSlot(4, 0, 500, -1, "Accelerated steering");
		1498	break;
		1499	case 2:
		1500	NewTextHeadupSlot(4, 0, 500, -1, "0.75 Accelerated");
		1501	break;
		1502	case 3:
		1503	NewTextHeadupSlot(4, 0, 500, -1, "0.5 Accelerated");
		1504	break;
		1505	default:
		1506	NewTextHeadupSlot(4, 0, 500, -1, "New controls");
		1507	break;
		1508	}
		1509	}
		1510
		1511	// IDA: void __usercall ControlCar2(tCar_spec *c@<EAX>, br_scalar dt)
		1512	void ControlCar2(tCar_spec* c, br_scalar dt) {
		1513	LOG_TRACE("(%p, %f)", c, dt);
18	pmbaty	1514
		1515	c->acc_force = 0.f;
		1516	if (c->keys.acc) {
		1517	c->acc_force = 7.f * c->M;
		1518	}
		1519	if (c->keys.dec) {
		1520	c->acc_force = -7.f * c->M;
		1521	}
		1522	if (c->keys.left) {
		1523	if (c->turn_speed < 0.f) {
		1524	c->turn_speed = 0.f;
		1525	}
		1526	if (c->curvature >= 0.f) {
		1527	c->turn_speed += dt / 0.04f * (0.05f / (5.f + BrVector3Length(&c->v)) / 2.f);
		1528	} else {
		1529	c->turn_speed += 0.01f * dt / 0.04f / 2.f;
		1530	}
		1531	}
		1532	if (c->keys.right) {
		1533	if (c->turn_speed > 0.f) {
		1534	c->turn_speed = 0.f;
		1535	}
		1536	if (c->curvature <= 0.f) {
		1537	c->turn_speed -= dt / 0.04f * (0.05f / (5.f + BrVector3Length(&c->v)) / 2.f);
		1538	} else {
		1539	c->turn_speed -= 0.01f * dt / 0.04f / 2.f;
		1540	}
		1541	}
		1542	if (!c->keys.left && !c->keys.right) {
		1543	c->turn_speed = 0.f;
		1544	}
		1545	c->curvature += c->turn_speed;
		1546	if (c->curvature > c->maxcurve) {
		1547	c->curvature = c->maxcurve;
		1548	}
		1549	if (c->curvature < -c->maxcurve) {
		1550	c->curvature = -c->maxcurve;
		1551	}
1	pmbaty	1552	}
		1553
		1554	// IDA: void __usercall ControlCar3(tCar_spec *c@<EAX>, br_scalar dt)
		1555	void ControlCar3(tCar_spec* c, br_scalar dt) {
		1556	LOG_TRACE("(%p, %f)", c, dt);
18	pmbaty	1557
		1558	if (c->keys.left) {
		1559	if (c->turn_speed < 0.f) {
		1560	c->turn_speed = 0.f;
		1561	}
		1562	if (c->curvature >= 0.f && c->omega.v[1] >= 0.f) {
		1563	c->turn_speed += dt / 0.04f * (0.05f / (5.f + BrVector3Length(&c->v)) / 2.f) * 0.75f;
		1564	} else {
		1565	c->turn_speed += 0.01f * dt / 0.04f / 2.f * 3.f;
		1566	}
		1567	}
		1568
		1569	if (c->keys.right) {
		1570	if (c->turn_speed > 0.f) {
		1571	c->turn_speed = 0.f;
		1572	}
		1573	if (c->curvature <= 0.f && c->omega.v[1] <= 0.f) {
		1574	c->turn_speed -= dt / 0.04f * (0.05f / (5.f + BrVector3Length(&c->v)) / 2.f) * 0.75f;
		1575	} else {
		1576	c->turn_speed -= 0.01f * dt / 0.04f / 2.f * 3.f;
		1577	}
		1578	}
		1579	if (!c->keys.left && !c->keys.right) {
		1580	c->turn_speed = 0.f;
		1581	}
		1582	c->curvature += c->turn_speed;
		1583	if (c->curvature > c->maxcurve) {
		1584	c->curvature = c->maxcurve;
		1585	}
		1586	if (c->curvature < -c->maxcurve) {
		1587	c->curvature = -c->maxcurve;
		1588	}
1	pmbaty	1589	}
		1590
		1591	// IDA: void __usercall ControlCar4(tCar_spec *c@<EAX>, br_scalar dt)
		1592	void ControlCar4(tCar_spec* c, br_scalar dt) {
		1593	//br_scalar ts; // Pierre-Marie Baty -- unused variable
		1594	LOG_TRACE("(%p, %f)", c, dt);
		1595
		1596	if (c->keys.left) {
		1597	if (c->turn_speed < 0.f) {
		1598	c->turn_speed = 0.f;
		1599	}
		1600	if (c->velocity_car_space.v[2] > 0.f) {
		1601	c->turn_speed += dt * 0.01f / .04f / 2.f * 2.f;
		1602	} else if ((c->curvature >= 0.f && c->omega.v[1] >= -.001f) \|\| c->turn_speed != 0.f) {
		1603	c->turn_speed += dt / .04f * (0.05f / (BrVector3Length(&c->v) + 5.f)) / 2.f * .5f;
		1604	} else {
		1605	c->turn_speed = dt / .04f * (.05f / (BrVector3Length(&c->v) + 5.f)) * 4.f / 2.f * .5f;
		1606	if (c->omega.v[1] < -.01f) {
		1607	c->turn_speed -= dt * .01f / (harness_game_config.physics_step_time / 1000.f) / 2.f * c->omega.v[1] * 2.f;
		1608	}
		1609	}
		1610	}
		1611	if (c->keys.right) {
		1612	if (c->turn_speed > 0.f) {
		1613	c->turn_speed = 0.f;
		1614	}
		1615	if (c->velocity_car_space.v[2] > 0.f) {
		1616	c->turn_speed -= dt * .01f / .04f / 2.f * 2.f;
		1617	} else if ((c->curvature <= 0.f && c->omega.v[1] <= .001f) \|\| c->turn_speed != 0.f) {
		1618	c->turn_speed -= dt / .04f * (.05f / (BrVector3Length(&c->v) + 5.f)) / 2.f * .5f;
		1619	} else {
		1620	c->turn_speed = dt / .04f * (.05f / (BrVector3Length(&c->v) + 5.f)) * -4.f / 2.f * .5f;
		1621	if (c->omega.v[1] < -.01f) {
		1622	c->turn_speed -= dt * .01f / (harness_game_config.physics_step_time / 1000.f) / 2.f * c->omega.v[1] * 2.f;
		1623	}
		1624	}
		1625	}
		1626	if (!c->keys.left && !c->keys.right) {
		1627	c->turn_speed = 0.f;
		1628	} else if (fabsf(c->turn_speed) < fabsf(dt * 2.f * c->curvature) && c->curvature * c->turn_speed < 0.f) {
		1629	c->turn_speed = -(dt * 2.f * c->curvature);
		1630	}
		1631	c->curvature += c->turn_speed;
		1632	if (c->joystick.left > 0) {
		1633	c->curvature = (float)c->joystick.left * (float)c->joystick.left / 4294967300.f * c->maxcurve;
		1634	} else if (c->joystick.right >= 0) {
		1635	c->curvature = -((float)c->joystick.right * (float)c->joystick.right / 4294967300.f) * c->maxcurve;
		1636	}
		1637	if (c->curvature > c->maxcurve) {
		1638	c->curvature = c->maxcurve;
		1639	}
		1640	if (c->curvature < -c->maxcurve) {
		1641	c->curvature = -c->maxcurve;
		1642	}
		1643	}
		1644
		1645	// IDA: void __usercall ControlCar5(tCar_spec *c@<EAX>, br_scalar dt)
		1646	void ControlCar5(tCar_spec* c, br_scalar dt) {
		1647	LOG_TRACE("(%p, %f)", c, dt);
18	pmbaty	1648
		1649	c->acc_force = 0.f;
		1650	if (c->keys.acc) {
		1651	c->acc_force = 7.f * c->M;
		1652	}
		1653	if (c->keys.dec) {
		1654	c->acc_force = -7.f * c->M;
		1655	}
		1656	if (c->keys.left) {
		1657	if (c->turn_speed < 0.f) {
		1658	c->turn_speed = 0.f;
		1659	}
		1660	if (c->curvature >= 0) {
		1661	c->turn_speed += dt / 0.04f * (0.05f / (5.f + BrVector3Length(&c->v)) / 2.f) * 0.5f;
		1662	} else {
		1663	c->turn_speed += 0.01f * dt / 0.04f / 2.f * .5f;
		1664	}
		1665	}
		1666	if (c->keys.right) {
		1667	if (c->turn_speed > 0.f) {
		1668	c->turn_speed = 0.f;
		1669	}
		1670	if (c->curvature <= 0) {
		1671	c->turn_speed -= dt / 0.04f * (0.05f / (5.f + BrVector3Length(&c->v)) / 2.f) * 0.5f;
		1672	} else {
		1673	c->turn_speed -= 0.01f * dt / 0.04f / 2.f * .5f;
		1674	}
		1675	}
		1676	if (!c->keys.left && !c->keys.right) {
		1677	c->turn_speed = 0.f;
		1678	if (c->curvature < 0.f && !c->keys.holdw) {
		1679	c->curvature += dt / 0.04f * 0.05f / (5.f + BrVector3Length(&c->v)) / 2.f * 4.f;
		1680	if (c->curvature > 0.f) {
		1681	c->curvature = 0.f;
		1682	}
		1683	} else if (c->curvature > 0.f && !c->keys.holdw) {
		1684	c->curvature -= dt / 0.04f * 0.05f / (5.f + BrVector3Length(&c->v)) / 2.f * 4.f;
		1685	if (c->curvature < 0.f) {
		1686	c->curvature = 0.f;
		1687	}
		1688	}
		1689	}
		1690	c->curvature += c->turn_speed;
		1691	if (c->curvature > c->maxcurve) {
		1692	c->curvature = c->maxcurve;
		1693	}
		1694	if (c->curvature < -c->maxcurve) {
		1695	c->curvature = -c->maxcurve;
		1696	}
		1697	c->keys.left = 1;
1	pmbaty	1698	}
		1699
		1700	// IDA: void __usercall ControlCar1(tCar_spec *c@<EAX>, br_scalar dt)
		1701	void ControlCar1(tCar_spec* c, br_scalar dt) {
		1702	LOG_TRACE("(%p, %f)", c, dt);
18	pmbaty	1703
		1704	c->acc_force = 0.f;
		1705	if (c->keys.acc) {
		1706	c->acc_force = 7.f * c->M;
		1707	}
		1708	if (c->keys.dec) {
		1709	c->acc_force = -7.f * c->M;
		1710	}
		1711	if (c->keys.left) {
		1712	if (c->curvature >= 0.f) {
		1713	c->curvature += dt / 0.04f * 0.05f / (5.f + BrVector3Length(&c->v));
		1714	} else {
		1715	c->curvature += 0.01f * dt / 0.04f;
		1716	}
		1717	}
		1718	if (c->keys.right) {
		1719	if (c->curvature <= 0.f) {
		1720	c->curvature -= dt / 0.04f * 0.05f / (5.f + BrVector3Length(&c->v));
		1721	} else {
		1722	c->curvature -= 0.01f * dt / 0.04f;
		1723	}
		1724	}
		1725	if (c->curvature > c->maxcurve) {
		1726	c->curvature = c->maxcurve;
		1727	}
		1728	if (c->curvature < -c->maxcurve) {
		1729	c->curvature = -c->maxcurve;
		1730	}
1	pmbaty	1731	}
		1732
		1733	// IDA: void __usercall setrotate(br_vector3 wdt@<EAX>, br_matrix34 m@<EDX>)
		1734	void setrotate(br_vector3* wdt, br_matrix34* m) {
18	pmbaty	1735	br_euler e;
1	pmbaty	1736	LOG_TRACE("(%p, %p)", wdt, m);
18	pmbaty	1737
		1738	e.a = BR_ANGLE_RAD(wdt->v[0]);
		1739	e.b = BR_ANGLE_RAD(wdt->v[1]);
		1740	e.c = BR_ANGLE_RAD(wdt->v[2]);
		1741	e.order = 0;
		1742	BrEulerToMatrix34(m, &e);
1	pmbaty	1743	}
		1744
		1745	// IDA: void __usercall RotateCar2(tCollision_info *c@<EAX>, br_scalar dt)
		1746	void RotateCar2(tCollision_info* c, br_scalar dt) {
18	pmbaty	1747	br_vector3 wdt;
		1748	br_vector3 wdt2;
		1749	br_vector3 L;
		1750	br_vector3 L2;
		1751	br_matrix34 m;
1	pmbaty	1752	LOG_TRACE("(%p, %f)", c, dt);
18	pmbaty	1753
		1754	BrVector3Scale(&wdt, &c->omega, dt);
		1755	BrVector3Negate(&wdt2, &wdt);
		1756	BrVector3Mul(&L, &c->I, &c->omega);
		1757	setrotate(&wdt2, &m);
		1758	BrMatrix34ApplyV(&L2, &L, &m);
		1759	setrotate(&wdt, &m);
		1760	BrMatrix34PreTranslate(&m, -c->cmpos.v[0], -c->cmpos.v[1], -c->cmpos.v[2]);
		1761	BrMatrix34PostTranslate(&m, c->cmpos.v[0], c->cmpos.v[1], c->cmpos.v[2]);
		1762	BrMatrix34Pre(&c->car_master_actor->t.t.mat, &m);
		1763	BrVector3Copy(&c->oldomega, &c->omega);
		1764	Vector3Div(&c->omega, &L2, &c->I);
1	pmbaty	1765	}
		1766
		1767	// IDA: void __usercall RotateCarSecondOrder(tCollision_info *c@<EAX>, br_scalar dt)
		1768	void RotateCarSecondOrder(tCollision_info* c, br_scalar dt) {
		1769	br_vector3 L;
		1770	br_vector3 L2;
		1771	br_vector3 axis;
		1772	br_vector3 omega;
		1773	br_scalar rad;
		1774	br_scalar rad_rate;
		1775	br_matrix34 m;
		1776	LOG_TRACE("(%p, %f)", c, dt);
		1777
		1778	rad_rate = BrVector3Length(&c->omega);
		1779	rad = rad_rate * dt;
		1780
		1781	BrVector3InvScale(&axis, &c->omega, rad_rate);
		1782	BrVector3Mul(&L, &c->I, &c->omega);
		1783
		1784	BrMatrix34Rotate(&m, BrRadianToAngle(rad) / 2, &axis);
		1785	BrMatrix34TApplyV(&L2, &L, &m);
		1786	omega.v[0] = L2.v[0] / c->I.v[0];
		1787	omega.v[1] = L2.v[1] / c->I.v[1];
		1788	omega.v[2] = L2.v[2] / c->I.v[2];
		1789
		1790	rad_rate = BrVector3Length(&omega);
		1791	rad = rad_rate * dt;
		1792
		1793	BrVector3InvScale(&axis, &omega, rad_rate);
		1794	BrMatrix34Rotate(&m, BrRadianToAngle(rad), &axis);
		1795	BrMatrix34PreTranslate(&m, -c->cmpos.v[0], -c->cmpos.v[1], -c->cmpos.v[2]);
		1796	BrMatrix34PostTranslate(&m, c->cmpos.v[0], c->cmpos.v[1], c->cmpos.v[2]);
		1797	BrMatrix34Pre(&c->car_master_actor->t.t.mat, &m);
		1798	BrMatrix34TApplyV(&L2, &L, &m);
		1799	c->omega.v[0] = L2.v[0] / c->I.v[0];
		1800	c->omega.v[1] = L2.v[1] / c->I.v[1];
		1801	c->omega.v[2] = L2.v[2] / c->I.v[2];
		1802	}
		1803
		1804	// IDA: void __usercall RotateCarFirstOrder(tCollision_info *c@<EAX>, br_scalar dt)
		1805	void RotateCarFirstOrder(tCollision_info* c, br_scalar dt) {
		1806	br_vector3 axis;
		1807	br_vector3 L;
		1808	br_vector3 L2;
		1809	br_matrix34 m;
		1810	br_scalar rad_rate;
		1811	br_scalar rad;
		1812	//br_scalar e1; // Pierre-Marie Baty -- unused variable
		1813	//br_scalar e2; // Pierre-Marie Baty -- unused variable
		1814	static br_scalar max_rad;
		1815	LOG_TRACE("(%p, %f)", c, dt);
		1816
		1817	rad_rate = BrVector3Length(&c->omega);
		1818	rad = rad_rate * dt;
		1819
		1820	if (rad < .0001f) {
		1821	return;
		1822	}
		1823	BrVector3InvScale(&axis, &c->omega, rad_rate);
		1824	BrVector3Mul(&L, &c->I, &c->omega);
		1825	BrMatrix34Rotate(&m, BrRadianToAngle(rad), &axis);
		1826	BrMatrix34TApplyV(&L2, &L, &m);
		1827	BrMatrix34PreTranslate(&m, -c->cmpos.v[0], -c->cmpos.v[1], -c->cmpos.v[2]);
		1828	BrMatrix34PostTranslate(&m, c->cmpos.v[0], c->cmpos.v[1], c->cmpos.v[2]);
		1829	BrMatrix34Pre(&c->car_master_actor->t.t.mat, &m);
		1830	c->omega.v[0] = L2.v[0] / c->I.v[0];
		1831	c->omega.v[1] = L2.v[1] / c->I.v[1];
		1832	c->omega.v[2] = L2.v[2] / c->I.v[2];
		1833	}
		1834
		1835	// IDA: void __usercall SimpleRotate(tCollision_info *c@<EAX>, br_scalar dt)
		1836	void SimpleRotate(tCollision_info* c, br_scalar dt) {
		1837	br_vector3 axis;
		1838	br_scalar rad_rate;
		1839	br_scalar rad;
		1840	LOG_TRACE("(%p, %f)", c, dt);
		1841
		1842	rad_rate = BrVector3Length(&c->omega);
		1843	BrVector3InvScale(&axis, &c->omega, rad_rate);
		1844	rad = rad_rate * dt;
		1845	if (rad >= 0.0001) {
		1846	BrMatrix34PreRotate(&c->car_master_actor->t.t.mat, BrRadianToAngle(rad), &axis);
		1847	}
		1848	}
		1849
		1850	// IDA: void __usercall RotateCar(tCollision_info *c@<EAX>, br_scalar dt)
		1851	void RotateCar(tCollision_info* c, br_scalar dt) {
		1852	br_scalar rad_squared;
		1853	int steps;
		1854	int i;
		1855	LOG_TRACE("(%p, %f)", c, dt);
		1856
		1857	rad_squared = BrVector3LengthSquared(&c->omega) * dt;
		1858	BrVector3Copy(&c->oldomega, &c->omega);
		1859
		1860	if (rad_squared < .0000001f) {
		1861	return;
		1862	}
		1863
		1864	if (rad_squared > .008f) {
		1865	steps = sqrtf(rad_squared / .032f) + 1;
		1866	dt = dt / steps;
		1867
		1868	for (i = 0; i < steps && i < 20; i++) {
		1869	RotateCarSecondOrder(c, dt);
		1870	}
		1871	} else {
		1872	RotateCarFirstOrder(c, dt);
		1873	}
		1874	}
		1875
		1876	// IDA: void __usercall SteeringSelfCentre(tCar_spec c@<EAX>, br_scalar dt, br_vector3 n)
		1877	void SteeringSelfCentre(tCar_spec* c, br_scalar dt, br_vector3* n) {
		1878	br_scalar ts;
		1879	br_scalar ts2;
		1880	LOG_TRACE("(%p, %f, %p)", c, dt, n);
		1881
		1882	if (c->curvature > c->maxcurve) {
		1883	c->curvature = c->maxcurve;
		1884	}
		1885	if (-c->maxcurve > c->curvature) {
		1886	c->curvature = -c->maxcurve;
		1887	}
		1888	if (!c->keys.left && c->joystick.left <= 0 && !c->keys.right && c->joystick.right <= 0 && !c->keys.holdw) {
		1889	if (c->susp_height[1] > c->oldd[2] \|\| c->susp_height[1] > c->oldd[3]) {
		1890	ts = -((c->omega.v[2] * n->v[2] + c->omega.v[1] * n->v[1] + c->omega.v[0] * n->v[0]) * (dt / (c->wpos[0].v[2] - c->wpos[2].v[2])));
		1891	ts2 = -(c->curvature * dt);
		1892	if (fabs(ts) < fabs(ts2) \|\| (ts * ts2 < 0.0)) {
		1893	ts = ts2;
		1894	}
		1895	c->curvature = c->curvature + ts;
		1896	if (c->curvature * ts > 0.0) {
		1897	c->curvature = 0.0;
		1898	}
		1899	}
		1900	}
		1901	}
		1902
		1903	// IDA: void __usercall NonCarCalcForce(tNon_car_spec *nc@<EAX>, br_scalar dt)
		1904	void NonCarCalcForce(tNon_car_spec* nc, br_scalar dt) {
		1905	tCollision_info* c;
		1906	tSpecial_volume* vol;
		1907	br_scalar ts;
		1908	br_vector3 tv;
		1909	br_vector3 v;
		1910	LOG_TRACE("(%p, %f)", nc, dt);
		1911
		1912	c = &nc->collision_info;
		1913	vol = nc->collision_info.last_special_volume;
		1914	if (nc->collision_info.car_master_actor->identifier[3] != '!') {
		1915	if (c->car_master_actor->t.t.mat.m[1][1] < nc->snap_off_cosine \|\| c->min_torque_squared == 0.0f) {
		1916	c->car_master_actor->identifier[3] = '!';
		1917	c->M = nc->free_mass;
		1918	c->min_torque_squared = 0.0f;
		1919	BrVector3Sub(&v, &nc->free_cmpos, &c->cmpos);
		1920	BrVector3Cross(&tv, &c->omega, &v);
		1921	BrMatrix34ApplyV(&v, &tv, &c->car_master_actor->t.t.mat);
		1922	BrVector3Accumulate(&c->v, &v);
		1923	c->cmpos = nc->free_cmpos;
		1924	} else {
		1925	BrVector3SetFloat(&c->v, 0.0f, 0.0f, 0.0f);
		1926	ts = BrVector3LengthSquared(&c->omega);
		1927	BrVector3SetFloat(&c->omega, 0.0f, 0.0f, 0.0f);
		1928	c->doing_nothing_flag = 1;
		1929	}
		1930	}
		1931	if (c->car_master_actor->identifier[3] == '!') {
		1932	if (vol != NULL) {
		1933	c->v.v[1] = c->v.v[1] - dt * 10.0f * vol->gravity_multiplier;
		1934	} else {
		1935	c->v.v[1] = c->v.v[1] - dt * 10.0f;
		1936	}
		1937	ts = BrVector3Length(&c->v);
		1938	if (vol != NULL) {
		1939	ts = vol->viscosity_multiplier * ts;
		1940	}
		1941	ts = -(dt * 0.0005f * ts) / c->M;
		1942	BrVector3Scale(&v, &c->v, ts);
		1943	BrVector3Accumulate(&c->v, &v);
		1944	ts = BrVector3Length(&c->omega);
		1945	if (vol != NULL) {
		1946	ts = vol->viscosity_multiplier * ts;
		1947	}
		1948	ts = -(dt * 0.0005 * ts);
		1949	BrVector3Scale(&v, &c->omega, ts);
		1950	ApplyTorque(CAR(c), &v);
		1951	}
		1952	}
		1953
		1954	// IDA: void __usercall AddDrag(tCar_spec *c@<EAX>, br_scalar dt)
		1955	void AddDrag(tCar_spec* c, br_scalar dt) {
		1956	br_scalar drag_multiplier;
		1957	br_scalar ts;
		1958	tSpecial_volume* vol;
		1959	br_vector3 b;
		1960	LOG_TRACE("(%p, %f)", c, dt);
		1961
		1962	vol = c->last_special_volume;
		1963	drag_multiplier = -(dt * TIME_CONV_THING);
		1964	if (vol != NULL) {
		1965	if (c->underwater_ability) {
		1966	drag_multiplier = vol->viscosity_multiplier * drag_multiplier * .6f;
		1967	} else {
		1968	drag_multiplier = vol->viscosity_multiplier * drag_multiplier;
		1969	}
		1970	drag_multiplier = c->water_depth_factor * drag_multiplier;
		1971	}
		1972	ts = BrVector3Length(&c->v) * drag_multiplier / c->M;
		1973	BrVector3Scale(&b, &c->v, ts);
		1974	BrVector3Accumulate(&c->v, &b);
		1975	ts = BrVector3Length(&c->omega) * drag_multiplier;
		1976	BrVector3Scale(&b, &c->omega, ts);
		1977	ApplyTorque(c, &b);
		1978	}
		1979
		1980	// IDA: void __usercall DoBumpiness(tCar_spec c@<EAX>, br_vector3 wheel_pos@<EDX>, br_vector3 norm@<EBX>, br_scalar d@<ECX>, int n)
		1981	void DoBumpiness(tCar_spec* c, br_vector3* wheel_pos, br_vector3* norm, br_scalar* d, int n) {
		1982	br_vector3 tv;
		1983	int delta;
		1984	int x;
		1985	int y;
		1986	tMaterial_modifiers* mat_list;
		1987	LOG_TRACE("(%p, %p, %p, %p, %d)", c, wheel_pos, norm, d, n);
		1988
		1989	tv.v[0] = c->nor[n].v[0] * d[n] + wheel_pos[n].v[0];
		1990	tv.v[2] = c->nor[n].v[2] * d[n] + wheel_pos[n].v[2];
		1991
		1992	x = abs((int)(512.0f * tv.v[0])) % 2048;
		1993	y = abs((int)(512.0f * tv.v[2])) % 2048;
		1994
		1995	if (x > 1024) {
		1996	x = 2048 - x;
		1997	}
		1998	if (y > 1024) {
		1999	y = 2048 - y;
		2000	}
		2001	if (x + y <= 1024) {
		2002	delta = x + y;
		2003	} else {
		2004	delta = 2048 - x - y;
		2005	}
		2006	delta -= 400;
		2007	if (delta < 0) {
		2008	delta = 0;
		2009	}
		2010	mat_list = gCurrent_race.material_modifiers;
		2011	d[n] = delta * mat_list[c->material_index[n]].bumpiness / 42400.0f * norm[n].v[1] + d[n];
		2012	}
		2013
		2014	// IDA: void __usercall CalcForce(tCar_spec *c@<EAX>, br_scalar dt)
		2015	void CalcForce(tCar_spec* c, br_scalar dt) {
		2016	//int n; // Pierre-Marie Baty -- unused variable
		2017	int normnum;
		2018	int i;
		2019	//int x; // Pierre-Marie Baty -- unused variable
		2020	//int y; // Pierre-Marie Baty -- unused variable
		2021	br_scalar force[4];
		2022	br_scalar d[4];
		2023	br_scalar ts;
		2024	br_scalar ts2;
		2025	br_scalar ts3;
		2026	br_scalar ts4;
		2027	//br_scalar ts5; // Pierre-Marie Baty -- unused variable
		2028	//br_scalar ts6; // Pierre-Marie Baty -- unused variable
		2029	br_scalar deltaomega;
		2030	br_scalar wheelratio;
		2031	//br_scalar modf; // Pierre-Marie Baty -- unused variable
		2032	br_scalar maxfl;
		2033	br_scalar maxfr;
		2034	//br_scalar max_retardation; // Pierre-Marie Baty -- unused variable
		2035	//br_scalar front_retardation; // Pierre-Marie Baty -- unused variable
		2036	br_scalar friction_number;
		2037	br_vector3 a;
		2038	br_vector3 b;
		2039	//br_vector3 tv; // Pierre-Marie Baty -- unused variable
		2040	//br_vector3 tv2; // Pierre-Marie Baty -- unused variable
		2041	br_vector3 norm[4];
		2042	//br_vector3 v_batwick; // Pierre-Marie Baty -- unused variable
		2043	br_vector3 vplane;
		2044	br_vector3 rightplane;
		2045	//br_vector3 t; // Pierre-Marie Baty -- unused variable
		2046	br_vector3 f;
		2047	//br_vector3 ff; // Pierre-Marie Baty -- unused variable
		2048	//br_vector3 fb; // Pierre-Marie Baty -- unused variable
		2049	//br_scalar ffi; // Pierre-Marie Baty -- unused variable
		2050	//br_scalar ffk; // Pierre-Marie Baty -- unused variable
		2051	//br_scalar fbi; // Pierre-Marie Baty -- unused variable
		2052	//br_scalar fbk; // Pierre-Marie Baty -- unused variable
		2053	br_vector3 wheel_pos[4];
		2054	//br_scalar direction; // Pierre-Marie Baty -- unused variable
		2055	//br_scalar wheel_spin_force; // Pierre-Marie Baty -- unused variable
		2056	//br_scalar d_damage; // Pierre-Marie Baty -- unused variable
		2057	br_scalar fl_oil_factor;
		2058	br_scalar fr_oil_factor;
		2059	br_scalar rl_oil_factor;
		2060	br_scalar rr_oil_factor;
		2061	br_matrix34* mat;
		2062	tMaterial_modifiers* mat_list;
		2063	static br_scalar stop_timer;
		2064	static br_scalar slide_dist;
		2065	//tDamage_type dam; // Pierre-Marie Baty -- unused variable
		2066	//br_scalar v; // Pierre-Marie Baty -- unused variable
		2067	tSpecial_volume* vol;
		2068	//br_scalar scale; // Pierre-Marie Baty -- unused variable
		2069	LOG_TRACE("(%p, %f)", c, dt);
		2070
		2071	int v72; // [esp+24h] [ebp-1C8h]
		2072	double v73; // [esp+2Ch] [ebp-1C0h]
		2073	float v74; // [esp+34h] [ebp-1B8h]
		2074	float v75; // [esp+38h] [ebp-1B4h]
		2075	float v76; // [esp+3Ch] [ebp-1B0h]
		2076	float v77; // [esp+40h] [ebp-1ACh]
		2077	float v78; // [esp+44h] [ebp-1A8h]
		2078	float v79; // [esp+48h] [ebp-1A4h]
		2079	//float v80; // [esp+4Ch] [ebp-1A0h] MAPDST // Pierre-Marie Baty -- unused variable
		2080	//float v82; // [esp+50h] [ebp-19Ch] MAPDST // Pierre-Marie Baty -- unused variable
		2081	//float v84; // [esp+54h] [ebp-198h] // Pierre-Marie Baty -- unused variable
		2082	//float v85; // [esp+58h] [ebp-194h] MAPDST // Pierre-Marie Baty -- unused variable
		2083	float v87; // [esp+5Ch] [ebp-190h] MAPDST
		2084	float v98; // [esp+88h] [ebp-164h]
		2085	float v99; // [esp+8Ch] [ebp-160h]
		2086	br_vector3 v102; // [esp+98h] [ebp-154h]
		2087	br_vector3 v103; // [esp+A4h] [ebp-148h]
		2088	int v105; // [esp+B8h] [ebp-134h]
		2089	float v106; // [esp+C0h] [ebp-12Ch]
		2090	br_vector3 v107; // [esp+C4h] [ebp-128h]
		2091	float v108; // [esp+D0h] [ebp-11Ch]
		2092	float v109; // [esp+D4h] [ebp-118h]
		2093	float v116; // [esp+F8h] [ebp-F4h]
		2094	br_vector3 B; // [esp+FCh] [ebp-F0h] BYREF
		2095	br_scalar pV; // [esp+10Ch] [ebp-E0h]
		2096	br_vector3 v123; // [esp+130h] [ebp-BCh]
		2097	float v125; // [esp+16Ch] [ebp-80h]
		2098	float v128; // [esp+18Ch] [ebp-60h]
		2099	float v129; // [esp+190h] [ebp-5Ch]
		2100	float v134; // [esp+1D8h] [ebp-14h]
		2101	float v135; // [esp+1DCh] [ebp-10h]
		2102	br_vector3 v136; // [esp+1E0h] [ebp-Ch]
		2103
		2104	BrVector3Set(&v136, 0, 0, 0);
		2105	normnum = 0;
		2106	BrVector3Set(&f, 0, 0, 0);
		2107	BrVector3Set(&B, 0, 0, 0);
		2108	mat = &c->car_master_actor->t.t.mat;
		2109	mat_list = gCurrent_race.material_modifiers;
		2110	vol = c->last_special_volume;
		2111	b.v[0] = -mat->m[1][0];
		2112	b.v[1] = -mat->m[1][1];
		2113	b.v[2] = -mat->m[1][2];
		2114	c->material_index[0] = 0;
		2115	c->material_index[1] = 0;
		2116	c->material_index[2] = 0;
		2117	c->material_index[3] = 0;
		2118	wheelratio = (c->wpos[2].v[2] - c->cmpos.v[2]) / (c->wpos[0].v[2] - c->cmpos.v[2]);
		2119	BrVector3Set(&c->road_normal, 0, 0, 0);
		2120	for (i = 0; i < 4; ++i) {
		2121	BrMatrix34ApplyP(&wheel_pos[i], &c->wpos[i], mat);
		2122	}
		2123	MultiFindFloorInBoxM(4, wheel_pos, &b, c->nor, d, c, c->material_index);
		2124	if (c->last_special_volume && c->last_special_volume->material_modifier_index) {
		2125	c->material_index[0] = c->last_special_volume->material_modifier_index;
		2126	c->material_index[1] = c->material_index[0];
		2127	c->material_index[2] = c->material_index[1];
		2128	c->material_index[3] = c->material_index[2];
		2129	}
		2130	for (i = 0; i < 4; ++i) {
		2131	BrMatrix34TApplyV(&norm[i], &c->nor[i], mat);
		2132	if (mat_list[c->material_index[i]].bumpiness != 0.0) {
		2133	DoBumpiness(c, wheel_pos, norm, d, i);
		2134	}
		2135	if (d[i] < -0.5 \|\| c->wheel_dam_offset[i ^ 2] * 6.9 + c->susp_height[i / 2] < d[i]) {
		2136	force[i] = 0.0;
		2137	d[i] = c->susp_height[i / 2];
		2138	} else {
		2139	BrVector3Accumulate(&c->road_normal, &norm[i]);
		2140	normnum++;
		2141	d[i] = d[i] - c->wheel_dam_offset[i ^ 2] * 6.9;
		2142	force[i] = (c->susp_height[i / 2] - d[i]) * c->sk[1 / 2];
		2143	force[i] = force[i] - (d[i] - c->oldd[i]) / dt * c->sb[i / 2];
		2144	if (c->susp_height[i / 2] == c->oldd[i]
		2145	&& c->nor[i].v[2] * c->v.v[2] + c->nor[i].v[1] * c->v.v[1] + c->nor[i].v[0] * c->v.v[0] > -0.0099999998
		2146	&& c->M * 20.0 / 4.0 < force[i]) {
		2147	d[i] = c->susp_height[i / 2];
		2148	force[i] = c->M * 20.0 / 4.0;
		2149	}
		2150	if (force[i] < 0.0) {
		2151	force[i] = 0.0;
		2152	}
		2153	B.v[1] = force[i] + B.v[1];
		2154	f.v[0] = f.v[0] - (c->wpos[i].v[2] - c->cmpos.v[2]) * force[i];
		2155	f.v[2] = (c->wpos[i].v[0] - c->cmpos.v[0]) * force[i] + f.v[2];
		2156	}
		2157	c->oldd[i] = d[i];
		2158	}
		2159	if (c->driver <= eDriver_non_car \|\| !c->wall_climber_mode \|\| (c->road_normal.v[0] == 0.0 && c->road_normal.v[1] == 0.0 && c->road_normal.v[2] == 0.0)) {
		2160	if (vol) {
		2161	friction_number = (1.0 - vol->gravity_multiplier) * c->water_depth_factor;
		2162	if (c->underwater_ability) {
		2163	friction_number = friction_number * 0.6;
		2164	}
		2165	friction_number = (1.0 - friction_number) * c->M;
		2166	} else {
		2167	friction_number = c->M;
		2168	}
		2169	friction_number = friction_number * gGravity_multiplier * 10.0;
		2170	B.v[0] = B.v[0] - mat->m[0][1] * friction_number;
		2171	B.v[1] = B.v[1] - mat->m[1][1] * friction_number;
		2172	B.v[2] = B.v[2] - mat->m[2][1] * friction_number;
		2173	} else {
		2174	BrVector3Normalise(&v107, &c->road_normal);
		2175	BrVector3Scale(&v107, &v107, -(c->M * 10.0));
		2176	BrVector3Accumulate(&B, &v107);
		2177	}
		2178	if (c->driver >= eDriver_net_human) {
		2179	SteeringSelfCentre(c, dt, &c->road_normal);
		2180	}
		2181	if (normnum) {
		2182	// ts = 1.0 / sqrt(1.0); <- looked like this in the windows build definitely wrong
		2183	// ts = 1.0 / sqrt(c->road_normal.v[0] * c->road_normal.v[0] + c->road_normal.v[1] * c->road_normal.v[1] + c->road_normal.v[2] * c->road_normal.v[2]);
		2184	// c->road_normal.v[0] = c->road_normal.v[0] * ts;
		2185	// c->road_normal.v[1] = c->road_normal.v[1] * ts;
		2186	// c->road_normal.v[2] = c->road_normal.v[2] * ts;
		2187	BrVector3NormaliseQuick(&c->road_normal, &c->road_normal);
		2188
		2189	friction_number = c->road_normal.v[1] * mat->m[1][1] + c->road_normal.v[2] * mat->m[2][1] + c->road_normal.v[0] * mat->m[0][1];
		2190	if (c->driver > eDriver_non_car && c->wall_climber_mode) {
		2191	friction_number = 1.0;
		2192	}
		2193	friction_number = gCurrent_race.material_modifiers[c->material_index[0]].down_force * friction_number;
		2194	if (friction_number > 0.0f) {
		2195	friction_number = fabs(c->velocity_car_space.v[2]) * c->M * 10.0 * friction_number / c->down_force_speed;
		2196	if (c->M * 10.0 < friction_number) {
		2197	friction_number = c->M * 10.0;
		2198	}
		2199	if (c->number_of_wheels_on_ground == 4 && c->oldd[2] == c->susp_height[1] && c->oldd[3] == c->susp_height[1]) {
		2200	a.v[0] = c->wpos[2].v[2] * mat->m[2][0];
		2201	a.v[1] = c->wpos[2].v[2] * mat->m[2][1];
		2202	a.v[2] = c->wpos[2].v[2] * mat->m[2][2];
		2203	a.v[0] = mat->m[3][0] + a.v[0];
		2204	a.v[1] = mat->m[3][1] + a.v[1];
		2205	a.v[2] = mat->m[3][2] + a.v[2];
		2206	BrVector3Scale(&b, &b, (c->wpos[0].v[2] - c->wpos[2].v[2]));
		2207	findfloor(&a, &b, norm, &ts2);
		2208	if (ts2 > 1.0) {
		2209	c->down_force_flag = 1;
		2210	}
		2211	} else if (c->down_force_flag && (c->oldd[2] < c->susp_height[1] \|\| c->oldd[3] < c->susp_height[1])) {
		2212	c->down_force_flag = 0;
		2213	}
		2214	if (c->down_force_flag) {
		2215	friction_number = (c->wpos[2].v[2] - c->cmpos.v[2]) / (c->wpos[2].v[2] - c->wpos[0].v[2]) * friction_number;
		2216	f.v[0] = (c->wpos[0].v[2] - c->cmpos.v[2]) * friction_number + f.v[0];
		2217	}
		2218	B.v[1] = B.v[1] - friction_number;
		2219	}
		2220	vplane.v[0] = BrVector3Dot(&c->velocity_car_space, &c->road_normal) * c->road_normal.v[0];
		2221	vplane.v[1] = BrVector3Dot(&c->velocity_car_space, &c->road_normal) * c->road_normal.v[1];
		2222	vplane.v[2] = BrVector3Dot(&c->velocity_car_space, &c->road_normal) * c->road_normal.v[2];
		2223	BrVector3Sub(&vplane, &c->velocity_car_space, &vplane);
		2224	if (vplane.v[2] < 0.0) {
		2225	ts = 1.0;
		2226	} else {
		2227	ts = -1.0;
		2228	}
		2229	ts3 = BrVector3Length(&vplane);
		2230	deltaomega = ts3 * c->curvature * ts;
		2231	deltaomega = deltaomega - BrVector3Dot(&c->omega, &c->road_normal);
		2232	BrVector3Set(&v103, c->road_normal.v[1], -c->road_normal.v[0], 0);
		2233	BrVector3Normalise(&v103, &v103);
		2234
		2235	friction_number = c->I.v[1] / dt * deltaomega;
		2236	ts = friction_number / (c->wpos[2].v[2] - c->wpos[0].v[2]);
		2237	v108 = ts;
		2238	v109 = -ts;
		2239	BrVector3Set(&rightplane, 0, c->road_normal.v[2], -c->road_normal.v[1]);
		2240	BrVector3Normalise(&rightplane, &rightplane);
		2241	v99 = c->acc_force;
		2242	friction_number = BrVector3Dot(&rightplane, &vplane);
		2243	v87 = BrVector3Dot(&v103, &vplane);
		2244	ts2 = fabs(v87);
		2245	friction_number = (c->wpos[0].v[2] - c->cmpos.v[2]) * friction_number * fabs(c->curvature);
		2246	if (c->curvature <= 0.0) {
		2247	friction_number = v87 - friction_number;
		2248	} else {
		2249	friction_number = v87 + friction_number;
		2250	}
		2251	friction_number = -(c->M / dt * friction_number);
		2252	friction_number = friction_number - BrVector3Dot(&B, &v103);
		2253
		2254	friction_number = friction_number / (1.0 - wheelratio);
		2255	v108 = friction_number + v108;
		2256	v109 = -wheelratio * friction_number + v109;
		2257	friction_number = (c->wpos[0].v[2] - c->wpos[2].v[2]) * v108;
		2258	v98 = friction_number * c->curvature;
		2259	friction_number = BrVector3Dot(&c->velocity_car_space, &rightplane) * c->M / dt;
		2260	v129 = BrVector3Dot(&rightplane, &B) + friction_number;
		2261	v128 = c->mu[0] * c->brake_force / (c->mu[1] / c->friction_elipticity + c->mu[0]);
		2262	v125 = c->brake_force - v128;
		2263	v105 = (c->damage_units[7].damage_level + c->damage_units[6].damage_level) / 2;
		2264	if (v105 > 20) {
		2265	v128 = (1.0 - (double)(v105 - 20) / 80.0) * (1.0 - (double)(v105 - 20) / 80.0) * v128;
		2266	}
		2267	v105 = (c->damage_units[5].damage_level + c->damage_units[4].damage_level) / 2;
		2268	if (v105 > 20) {
		2269	v125 = (1.0 - (double)(v105 - 20) / 80.0) * (1.0 - (double)(v105 - 20) / 80.0) * v125;
		2270	}
		2271	ts2 = (force[1] + force[0]) * c->rolling_r_back + v128;
		2272	v87 = (force[2] + force[3]) * c->rolling_r_front + v125;
		2273	v128 = c->wpos[0].v[2] - c->wpos[2].v[2];
		2274	v128 = sqrt(v128 * v128 * c->curvature * c->curvature + 1.0);
		2275	v106 = v87 / v128;
		2276	v134 = v106 + ts2;
		2277	if (fabs(v129) < fabs(v134)) {
		2278	ts2 = v129 / v134 * ts2;
		2279	v106 = v129 / v134 * v106;
		2280	}
		2281	if ((v87 + ts2) * v129 < 0.0) {
		2282	ts2 = -ts2;
		2283	v106 = -v106;
		2284	}
		2285	v129 = v129 - (ts2 + v106);
		2286	v99 = v99 - ts2;
		2287	if (c->keys.brake && c->damage_units[eDamage_lr_brake].damage_level < 60 && c->damage_units[eDamage_rr_brake].damage_level < 60) {
		2288	v99 = v99 - v129;
		2289	c->gear = 0;
		2290	}
		2291	v99 = v99 / c->friction_elipticity;
		2292	v135 = sqrt(v99 * v99 + v109 * v109) / 2.0;
		2293
		2294	GetOilFrictionFactors(c, &fl_oil_factor, &fr_oil_factor, &rl_oil_factor, &rr_oil_factor);
		2295	if (c->driver <= eDriver_non_car) {
		2296	v116 = 1.0;
		2297	} else {
		2298	v116 = c->grip_multiplier;
		2299	}
		2300	BrVector3Sub(&v102, &c->wpos[0], &c->cmpos);
		2301	BrVector3Cross(&a, &c->omega, &v102);
		2302	BrVector3Accumulate(&a, &c->velocity_car_space);
		2303	if (c->driver >= eDriver_net_human
		2304	&& (((c->keys.left \|\| c->joystick.left > 0x8000) && c->curvature > 0.0 && deltaomega > 0.1 && a.v[0] > 0.0)
		2305	\|\| ((c->keys.right \|\| c->joystick.right > 0x8000) && c->curvature < 0.0 && deltaomega < 0.1 && a.v[0] < 0.0))
		2306	&& ts > 0.0) {
		2307	friction_number = c->mu[0];
		2308	} else {
		2309	friction_number = c->mu[2];
		2310	ts2 = fabs(a.v[0]) / 10.0;
		2311	if (ts2 > 1) {
		2312	ts2 = 1.0;
		2313	}
		2314	friction_number = (c->mu[2] - c->mu[0]) * ts2 + friction_number;
		2315	}
		2316
		2317	maxfl = sqrt(force[0]) * friction_number * (rl_oil_factor * v116) * mat_list[c->material_index[0]].tyre_road_friction;
		2318	maxfr = sqrt(force[1]) * friction_number * (rr_oil_factor * v116) * mat_list[c->material_index[1]].tyre_road_friction;
		2319	c->max_force_rear = maxfr + maxfl;
		2320	if (rl_oil_factor == 1.0 && rr_oil_factor == 1.0 && c->traction_control && v135 * 2.0 > c->max_force_rear && c->acc_force > 0.0
		2321	&& (c->driver < eDriver_net_human \|\| (c->target_revs > 1000.0 && c->gear > 0))) {
		2322	ts2 = v99;
		2323	if (v99 * v99 <= v135 * v135 * 4.0) {
		2324	v87 = sqrt(v135 * v135 * 4.0 - v99 * v99);
		2325	} else {
		2326	v87 = 0.0;
		2327	}
		2328	if (c->max_force_rear <= v87) {
		2329	c->torque = -(c->revs * c->revs / 100000000.0) - 0.1;
		2330	} else {
		2331	float v177 = sqrt(c->max_force_rear * c->max_force_rear - v87 * v87);
		2332	ts3 = ts2 < 0.0 ? -1.0 : 1.0;
		2333	// ts4 = (ts2 - ts3 * sqrt(ts3)) * 1.01;
		2334	// if (fabs(ts2) > fabs(ts4)) {
		2335	// v87 = ts4;
		2336	// ts2 = v87;
		2337	// }
		2338
		2339	ts4 = (ts2 - ts3 * v177) * 1.01;
		2340	if (fabs(ts2) > fabs(ts4)) {
		2341	ts2 = ts4;
		2342	}
		2343	}
		2344	v99 = v99 - ts2;
		2345	v135 = sqrt(v99 * v99 + v109 * v109) / 2.0;
		2346
		2347	} else if (c->driver >= eDriver_net_human && c->gear > 0 && c->revs > c->target_revs && !c->traction_control) {
		2348	if (!c->keys.change_down) {
		2349	c->traction_control = 1;
		2350	}
		2351	friction_number = 1.0 - (c->revs - c->target_revs) / (double)(400 * c->gear);
		2352	if (friction_number < 0.40000001) {
		2353	friction_number = (br_scalar) 0.40000001; // Pierre-Marie Baty -- added type cast
		2354	}
		2355	maxfl = friction_number * maxfl;
		2356	maxfr = friction_number * maxfr;
		2357	}
		2358	if (fabs(v109) > maxfr + maxfl && maxfr + maxfl > 0.1) {
		2359	v87 = (maxfr + maxfl) / fabs(v109) * dt;
		2360	v109 = v87 * v109;
		2361	v99 = c->friction_elipticity * v87 * v99;
		2362	friction_number = -((c->wpos[2].v[2] - c->cmpos.v[2]) * v108 * ((c->wpos[2].v[2] - c->cmpos.v[2]) * v108) / c->I.v[1] + (v98 * v98 + v108 * v108) / c->M);
		2363	ts2 = (BrVector3Dot(&v103, &vplane) + v109 / c->M) * v108;
		2364	ts2 = BrVector3Dot(&rightplane, &vplane) * v98 + ts2;
		2365	ts2 = BrVector3Dot(&c->omega, &c->road_normal) * (c->wpos[2].v[2] - c->cmpos.v[2]) * v108 + ts2;
		2366	ts2 = (c->wpos[0].v[2] - c->cmpos.v[2]) * (c->wpos[2].v[2] - c->cmpos.v[2]) * v109 / c->I.v[1] * v108 + ts2;
		2367	if (fabs(friction_number) > 0.1) {
		2368	friction_number = ts2 / (friction_number * dt);
		2369	v108 = friction_number * v108;
		2370	v98 = friction_number * v98;
		2371	}
		2372	v109 = v109 / v87;
		2373	v99 = v99 / (c->friction_elipticity * v87);
		2374	}
		2375	v98 = v98 - v106;
		2376	v108 = (c->wpos[0].v[2] - c->wpos[2].v[2]) * c->curvature * v106 + v108;
		2377	if (v135 > 0.000099999997) {
		2378	v109 = v109 / (v135 * 2.0);
		2379	v99 = v99 / (v135 * 2.0);
		2380	}
		2381	v99 = c->friction_elipticity * v99;
		2382	force[0] = v135;
		2383	force[1] = v135;
		2384	c->wheel_slip = 0;
		2385	switch ((force[0] > maxfl) + 2 * (force[1] > maxfr)) {
		2386	case 0:
		2387	slide_dist = 0;
		2388	break;
		2389	case 1:
		2390	force[0] = c->freduction * maxfl;
		2391	force[1] = v135 - force[0] + force[1];
		2392	if (force[1] <= maxfr) {
		2393	slide_dist = 0;
		2394	} else {
		2395	if (maxfr > 0.1) {
		2396	pV = (force[1] - maxfr) / maxfr;
		2397	if (&gProgram_state.current_car == c) {
		2398	v78 = 20.0;
		2399	} else {
		2400	v78 = 60.0;
		2401	}
		2402	if (v78 <= pV) {
		2403	c->new_skidding \|= 2u;
		2404	}
		2405	SkidNoise(c, 1, pV, c->material_index[1]);
		2406	}
		2407	force[1] = c->freduction * maxfr;
		2408	c->wheel_slip \|= 2u;
		2409	}
		2410	break;
		2411	case 2:
		2412	force[1] = c->freduction * maxfr;
		2413	force[0] = v135 - force[1] + force[0];
		2414	if (force[0] <= maxfl) {
		2415	slide_dist = 0;
		2416	} else {
		2417	if (maxfl > 0.1) {
		2418	pV = (force[0] - maxfl) / maxfl;
		2419	if (&gProgram_state.current_car == c) {
		2420	v77 = 20.0;
		2421	} else {
		2422	v77 = 60.0;
		2423	}
		2424	if (v77 <= pV) {
		2425	c->new_skidding \|= 1u;
		2426	}
		2427	SkidNoise(c, 0, pV, c->material_index[0]);
		2428	}
		2429	force[0] = c->freduction * maxfl;
		2430	c->wheel_slip \|= 2u;
		2431	}
		2432	break;
		2433	case 3:
		2434	force[0] = c->freduction * maxfl;
		2435	force[1] = c->freduction * maxfr;
		2436	c->wheel_slip \|= 2u;
		2437	pV = (v135 * 2.0 - maxfl - maxfr) / (maxfr + maxfl);
		2438	if (&gProgram_state.current_car == c) {
		2439	v79 = 20.0;
		2440	} else {
		2441	v79 = 60.0;
		2442	}
		2443	if (v79 <= pV) {
		2444	if (maxfl > 0.1) {
		2445	c->new_skidding \|= 1u;
		2446	}
		2447	if (maxfr > 0.1) {
		2448	c->new_skidding \|= 2u;
		2449	}
		2450	}
		2451	if (IRandomBetween(0, 1)) {
		2452	if (maxfl > 0.1) {
		2453	SkidNoise(c, 0, pV, c->material_index[0]);
		2454	}
		2455	} else if (maxfr > 0.1) {
		2456	SkidNoise(c, 1, pV, c->material_index[1]);
		2457	}
		2458	break;
		2459	default:
		2460	break;
		2461	}
		2462	if (c->wheel_slip && c->curvature * c->turn_speed > 0.0 && fabs(v109) > 0.0099999998 && c->curvature * v109 < 0.0 && !c->keys.brake && !c->keys.change_down) {
		2463	c->turn_speed = 0.0;
		2464	}
		2465	v135 = sqrt(v108 * v108 + v98 * v98) / 2.0;
		2466	if (v135 > 0.000099999997) {
		2467	v108 = v108 / (v135 * 2.0);
		2468	v98 = v98 / (v135 * 2.0);
		2469	}
		2470	maxfl = sqrt(force[2]) * c->mu[1] * (fl_oil_factor * v116) * mat_list[c->material_index[2]].tyre_road_friction;
		2471	maxfr = sqrt(force[3]) * c->mu[1] * (fr_oil_factor * v116) * mat_list[c->material_index[3]].tyre_road_friction;
		2472	c->max_force_front = maxfr + maxfl;
		2473	force[2] = v135;
		2474	force[3] = v135;
		2475	v72 = (v135 > maxfl) + 2 * (v135 > maxfr);
		2476	switch (v72) {
		2477	case 1:
		2478	force[2] = c->freduction * maxfl;
		2479	force[3] = v135 - force[2] + force[3];
		2480	if (force[3] > maxfr) {
		2481	if (maxfr > 0.1) {
		2482	pV = (force[3] - maxfr) / maxfr;
		2483	if (&gProgram_state.current_car == c) {
		2484	v75 = 20.0;
		2485	} else {
		2486	v75 = 60.0;
		2487	}
		2488	if (v75 <= pV) {
		2489	c->new_skidding \|= 8u;
		2490	}
		2491	SkidNoise(c, 3, pV, c->material_index[3]);
		2492	}
		2493	force[3] = c->freduction * maxfr;
		2494	c->wheel_slip \|= 1u;
		2495	}
		2496	break;
		2497	case 2:
		2498	force[3] = c->freduction * maxfr;
		2499	force[2] = v135 - force[3] + force[2];
		2500	if (force[2] > maxfl) {
		2501	if (maxfl > 0.1) {
		2502	pV = (force[2] - maxfl) / maxfl;
		2503	if (&gProgram_state.current_car == c) {
		2504	v74 = 20.0;
		2505	} else {
		2506	v74 = 60.0;
		2507	}
		2508	if (v74 <= pV) {
		2509	c->new_skidding \|= 4u;
		2510	}
		2511	SkidNoise(c, 2, pV, c->material_index[2]);
		2512	}
		2513	force[2] = c->freduction * maxfl;
		2514	c->wheel_slip \|= 1u;
		2515	}
		2516	break;
		2517	case 3:
		2518	force[2] = c->freduction * maxfl;
		2519	force[3] = c->freduction * maxfr;
		2520	c->wheel_slip \|= 1u;
		2521	pV = (v135 * 2.0 - maxfl - maxfr) / (maxfr + maxfl);
		2522	if (&gProgram_state.current_car == c) {
		2523	v76 = 20.0;
		2524	} else {
		2525	v76 = 60.0;
		2526	}
		2527	if (v76 <= pV) {
		2528	if (maxfl > 0.1) {
		2529	c->new_skidding \|= 4u;
		2530	}
		2531	if (maxfr > 0.1) {
		2532	c->new_skidding \|= 8u;
		2533	}
		2534	}
		2535	if (IRandomBetween(0, 1)) {
		2536	if (maxfl > 0.1) {
		2537	SkidNoise(c, 2, pV, c->material_index[2]);
		2538	}
		2539	} else if (maxfr > 0.1) {
		2540	SkidNoise(c, 3, pV, c->material_index[3]);
		2541	}
		2542	break;
		2543	}
		2544	BrVector3Scale(&v136, &rightplane, v99);
		2545	BrVector3Scale(&a, &v103, v109);
		2546	BrVector3Accumulate(&v136, &a);
		2547	BrVector3Scale(&v123, &rightplane, v98);
		2548	BrVector3Scale(&a, &v103, v108);
		2549	BrVector3Accumulate(&v123, &a);
		2550
		2551	rightplane = c->wpos[0];
		2552	rightplane.v[1] = rightplane.v[1] - c->oldd[0];
		2553	BrVector3Sub(&rightplane, &rightplane, &c->cmpos);
		2554	BrVector3Scale(&b, &v136, force[0]);
		2555	BrVector3Accumulate(&B, &b);
		2556	BrVector3Cross(&a, &rightplane, &b);
		2557	BrVector3Accumulate(&f, &a);
		2558
		2559	rightplane = c->wpos[1];
		2560	rightplane.v[1] = rightplane.v[1] - c->oldd[1];
		2561	BrVector3Sub(&rightplane, &rightplane, &c->cmpos);
		2562	BrVector3Scale(&b, &v136, force[1]);
		2563	BrVector3Accumulate(&B, &b);
		2564	BrVector3Cross(&a, &rightplane, &b);
		2565	BrVector3Accumulate(&f, &a);
		2566
		2567	rightplane = c->wpos[2];
		2568	rightplane.v[1] = rightplane.v[1] - c->oldd[2];
		2569	BrVector3Sub(&rightplane, &rightplane, &c->cmpos);
		2570	BrVector3Scale(&b, &v123, force[2]);
		2571	BrVector3Accumulate(&B, &b);
		2572	BrVector3Cross(&a, &rightplane, &b);
		2573	BrVector3Accumulate(&f, &a);
		2574
		2575	rightplane = c->wpos[3];
		2576	rightplane.v[1] = rightplane.v[1] - c->oldd[3];
		2577	BrVector3Sub(&rightplane, &rightplane, &c->cmpos);
		2578	BrVector3Scale(&b, &v123, force[3]);
		2579	BrVector3Accumulate(&B, &b);
		2580	BrVector3Cross(&a, &rightplane, &b);
		2581	BrVector3Accumulate(&f, &a);
		2582
		2583	} else {
		2584	c->max_force_front = 0.0;
		2585	c->max_force_rear = 0.0;
		2586	StopSkid(c);
		2587	}
		2588	c->number_of_wheels_on_ground = normnum;
		2589	BrMatrix34ApplyV(&b, &B, mat);
		2590	BrVector3Scale(&rightplane, &f, dt);
		2591	ApplyTorque(c, &rightplane);
		2592	BrVector3Scale(&rightplane, &b, dt / c->M);
		2593	BrVector3Accumulate(&c->v, &rightplane);
		2594	if (c->speed < 0.000099999997
		2595	&& ((!c->keys.acc && c->joystick.acc <= 0) \|\| !c->gear)
		2596	&& !c->keys.dec
		2597	&& c->joystick.dec <= 0
		2598	&& c->bounce_rate == 0.0
		2599	&& BrVector3Length(&c->omega) < 0.05) {
		2600	if (vol) {
		2601	v73 = c->driver > eDriver_non_car && c->underwater_ability ? 1.0 - (1.0 - vol->gravity_multiplier) * 0.6 : vol->gravity_multiplier;
		2602	friction_number = BrVector3Length(&b) / v73 / gGravity_multiplier;
		2603	} else {
		2604	friction_number = BrVector3Length(&b);
		2605	}
		2606	if (c->M > friction_number \|\| (c->keys.brake && normnum >= 3)) {
		2607	if (stop_timer == 100.0) {
		2608	stop_timer = 0.0;
		2609	}
		2610	if (stop_timer > 0.5) {
		2611	BrVector3SetFloat(&c->v, 0.0, 0.0, 0.0);
		2612	BrVector3SetFloat(&c->omega, 0.0, 0.0, 0.0);
		2613	stop_timer = 0.5;
		2614	}
		2615	}
		2616	}
		2617	stop_timer = dt + stop_timer;
		2618	if (stop_timer > 1.0) {
		2619	stop_timer = 100.0;
		2620	}
		2621	AddDrag(c, dt);
		2622	if (c->driver >= eDriver_net_human) {
		2623	c->acc_force = -(v136.v[2] * force[0]) - v136.v[2] * force[1];
		2624	// LOG_DEBUG("old %f new %f", old, c->acc_force);
		2625	}
		2626	}
		2627
		2628	// IDA: void __usercall DoRevs(tCar_spec *c@<EAX>, br_scalar dt)
		2629	void DoRevs(tCar_spec* c, br_scalar dt) {
		2630	br_scalar wheel_spin_force;
		2631	br_scalar ts;
		2632	//int revs_increase; // Pierre-Marie Baty -- unused variable
		2633	LOG_TRACE("(%p, %f)", c, dt);
		2634
		2635	ts = -BrVector3Dot((br_vector3*)c->car_master_actor->t.t.mat.m[2], &c->v);
		2636
		2637	if (c->gear) {
		2638	c->target_revs = ts / c->speed_revs_ratio / (double)c->gear;
		2639	} else {
		2640	c->target_revs = 0.0;
		2641	}
		2642	if (c->target_revs < 0.0) {
		2643	c->target_revs = 0.0;
		2644	c->gear = 0;
		2645	}
		2646	if (!c->number_of_wheels_on_ground \|\| ((c->wheel_slip & 2) + 1) != 0 \|\| !c->gear) {
		2647	if (c->number_of_wheels_on_ground) {
		2648	wheel_spin_force = c->force_torque_ratio * c->torque - (double)c->gear * c->acc_force;
		2649	} else {
		2650	wheel_spin_force = c->force_torque_ratio * c->torque;
		2651	}
		2652	if (c->gear) {
		2653	if (c->gear < 2 && (c->keys.dec \|\| c->joystick.dec > 0) && fabs(ts) < 1.0 && c->revs > 1000.0) {
		2654	c->gear = -c->gear;
		2655	}
		2656	} else {
		2657	if (c->revs > 1000.0 && !c->keys.brake && (c->keys.acc \|\| c->joystick.acc > 0) && !gCountdown) {
		2658	if (c->keys.backwards) {
		2659	c->gear = -1;
		2660	} else {
		2661	c->gear = 1;
		2662	}
		2663	}
		2664	wheel_spin_force = c->force_torque_ratio * c->torque;
		2665	}
		2666	c->revs = wheel_spin_force / c->force_torque_ratio * dt / 0.0002 + c->revs;
		2667
		2668	if (c->traction_control && wheel_spin_force > 0.0 && c->revs > c->target_revs && c->gear && c->target_revs > 1000.0) {
		2669	c->revs = c->target_revs;
		2670	}
		2671	if (c->revs <= 0.0) {
		2672	c->revs = 0.0;
		2673	}
		2674	}
		2675	if ((c->wheel_slip & 2) == 0 && c->target_revs > 6000.0 && c->revs > 6000.0 && c->gear < c->max_gear && c->gear > 0 && !c->just_changed_gear) {
		2676	c->gear++;
		2677	}
		2678	if (c->gear > 1 && c->target_revs < 3000.0 && !c->just_changed_gear) {
		2679	c->gear--;
		2680	}
		2681	if (c->revs < 200.0 && c->target_revs < 200.0 && c->gear <= 1 && !c->keys.acc && c->joystick.acc <= 0 && !c->just_changed_gear) {
		2682	c->gear = 0;
		2683	}
		2684	if (c->just_changed_gear && c->revs < 6000.0 && c->revs > 200.0 && (c->gear < 2 \|\| c->revs >= 3000.0)) {
		2685	c->just_changed_gear = 0;
		2686	}
		2687	if (c->revs >= 6000.0 && (c->keys.acc \|\| c->joystick.acc > 0)) {
		2688	c->just_changed_gear = 0;
		2689	}
		2690	}
		2691
		2692	// IDA: void __usercall ApplyTorque(tCar_spec c@<EAX>, br_vector3 tdt@<EDX>)
		2693	void ApplyTorque(tCar_spec* c, br_vector3* tdt) {
		2694	LOG_TRACE("(%p, %p)", c, tdt);
		2695
		2696	c->omega.v[0] = tdt->v[0] / c->I.v[0] + c->omega.v[0];
		2697	c->omega.v[1] = tdt->v[1] / c->I.v[1] + c->omega.v[1];
		2698	c->omega.v[2] = tdt->v[2] / c->I.v[2] + c->omega.v[2];
		2699	}
		2700
		2701	// IDA: void __usercall TranslateCar(tCollision_info *c@<EAX>, br_scalar dt)
		2702	void TranslateCar(tCollision_info* c, br_scalar dt) {
		2703	br_vector3 t;
		2704	LOG_TRACE("(%p, %f)", c, dt);
		2705
		2706	t.v[0] = c->v.v[0] * dt;
		2707	t.v[1] = c->v.v[1] * dt;
		2708	t.v[2] = c->v.v[2] * dt;
		2709	c->car_master_actor->t.t.mat.m[3][0] = c->car_master_actor->t.t.mat.m[3][0] + t.v[0];
		2710	c->car_master_actor->t.t.mat.m[3][1] = c->car_master_actor->t.t.mat.m[3][1] + t.v[1];
		2711	c->car_master_actor->t.t.mat.m[3][2] = c->car_master_actor->t.t.mat.m[3][2] + t.v[2];
		2712	}
		2713
		2714	// IDA: int __usercall CollCheck@<EAX>(tCollision_info *c@<EAX>, br_scalar dt)
		2715	int CollCheck(tCollision_info* c, br_scalar dt) {
		2716	br_vector3 a;
		2717	br_vector3 a1;
		2718	br_vector3 aa;
		2719	br_vector3 bb;
		2720	br_vector3 cc;
		2721	br_vector3 pos;
		2722	br_vector3 r[8];
		2723	br_vector3 norm;
		2724	br_vector3 n[8];
		2725	br_vector3 dir;
		2726	br_vector3 tv;
		2727	br_vector3 tv2;
		2728	br_vector3 tau[4];
		2729	//br_vector3 old_val; // Pierre-Marie Baty -- unused variable
		2730	//br_vector3 ftau; // Pierre-Marie Baty -- unused variable
		2731	br_vector3 max_friction;
		2732	br_vector3 vel;
		2733	br_vector3 p_vel;
		2734	br_vector3 normal_force;
		2735	br_vector3 friction_force;
		2736	br_scalar d[4];
		2737	br_scalar f[4];
		2738	br_scalar total_force;
		2739	br_scalar point_vel;
		2740	br_scalar batwick_length;
		2741	br_matrix4 M;
		2742	br_scalar dist;
		2743	//br_scalar min_d; // Pierre-Marie Baty -- unused variable
		2744	br_scalar ts;
		2745	br_scalar ts2;
		2746	br_scalar v_diff;
		2747	br_matrix34* mat;
		2748	br_matrix34* oldmat;
		2749	br_matrix34 mat_to_oldmat;
		2750	br_matrix34 oldmat_to_mat;
		2751	br_matrix34 tm;
		2752	int collision;
		2753	br_bounds bnds;
		2754	tFace_ref* f_ref;
		2755	int i;
		2756	int j;
		2757	//int l; // Pierre-Marie Baty -- unused variable
		2758	int k;
		2759	int material;
		2760	int noise_defeat;
		2761	static int oldk;
		2762	br_scalar min;
		2763	br_scalar max;
		2764	br_vector3 edges[3];
		2765	//br_vector3 corner; // Pierre-Marie Baty -- unused variable
		2766	//br_vector3 test_dir; // Pierre-Marie Baty -- unused variable
		2767	//br_scalar min_acc; // Pierre-Marie Baty -- unused variable
		2768	//br_scalar max_acc; // Pierre-Marie Baty -- unused variable
		2769	br_matrix34 message_mat;
		2770	LOG_TRACE("(%p, %f)", c, dt);
		2771
		2772	tCar_spec* car_spec; // added for readability
		2773
		2774	// v34 = 0;
		2775	// v35 = 0;
		2776	// v36 = 0x3F800000;
		2777	// v48 = 0x3F800347;
		2778	car_spec = (tCar_spec*)c;
		2779	mat = &c->car_master_actor->t.t.mat;
		2780	oldmat = &c->oldmat;
		2781	k = 0;
		2782	gMaterial_index = 0;
		2783	if (c->dt >= 0.0f && gNet_mode == eNet_mode_host) {
		2784	oldmat = &message_mat;
		2785	GetExpandedMatrix(&message_mat, &c->message.mat);
		2786	}
		2787	if (dt < 0.0f) {
		2788	mat = oldmat;
		2789	}
		2790	BrMatrix34LPInverse(&tm, mat);
		2791	BrMatrix34Mul(&oldmat_to_mat, oldmat, &tm);
		2792
		2793	oldmat_to_mat.m[3][0] = oldmat_to_mat.m[3][0] / WORLD_SCALE;
		2794	oldmat_to_mat.m[3][1] = oldmat_to_mat.m[3][1] / WORLD_SCALE;
		2795	oldmat_to_mat.m[3][2] = oldmat_to_mat.m[3][2] / WORLD_SCALE;
		2796	GetNewBoundingBox(&bnds, &c->bounds[2], &oldmat_to_mat);
		2797	for (i = 0; i < 3; ++i) {
		2798	if (c->bounds[2].min.v[i] < bnds.min.v[i]) {
		2799	bnds.min.v[i] = c->bounds[2].min.v[i];
		2800	}
		2801	if (c->bounds[2].max.v[i] > bnds.max.v[i]) {
		2802	bnds.max.v[i] = c->bounds[2].max.v[i];
		2803	}
		2804	}
		2805	a1.v[0] = mat->m[3][0] / WORLD_SCALE;
		2806	a1.v[1] = mat->m[3][1] / WORLD_SCALE;
		2807	a1.v[2] = mat->m[3][2] / WORLD_SCALE;
		2808	BrMatrix34ApplyV(&aa, &bnds.min, mat);
		2809	BrVector3Accumulate(&aa, &a1);
		2810	for (j = 0; j < 3; ++j) {
		2811	edges[j].v[0] = (bnds.max.v[j] - bnds.min.v[j]) * mat->m[j][0];
		2812	edges[j].v[1] = (bnds.max.v[j] - bnds.min.v[j]) * mat->m[j][1];
		2813	edges[j].v[2] = (bnds.max.v[j] - bnds.min.v[j]) * mat->m[j][2];
		2814	}
		2815	for (i = 0; i < 50 && i < c->box_face_end - c->box_face_start; i++) {
		2816	f_ref = &gFace_list__car[c->box_face_start + i];
		2817	BrVector3Sub(&bb, &aa, &f_ref->v[0]);
		2818	max = BrVector3Dot(&bb, &f_ref->normal);
		2819	min = max;
		2820	for (j = 0; j < 3; ++j) {
		2821	ts = BrVector3Dot(&edges[j], &f_ref->normal);
		2822	if (ts >= 0) {
		2823	max = max + ts;
		2824	} else {
		2825	min = min + ts;
		2826	}
		2827	}
		2828	if ((max <= 0.001f \|\| min <= 0.001f) && (max >= -0.001f \|\| min >= -0.001f)) {
		2829	f_ref->flags &= ~0x80u;
		2830	k++;
		2831	} else {
		2832	f_ref->flags \|= 0x80u;
		2833	}
		2834	}
		2835	if (k == 0) {
		2836	return 0;
		2837	}
		2838	k = 0;
		2839	BrMatrix34LPInverse(&tm, oldmat);
		2840	BrMatrix34Mul(&mat_to_oldmat, mat, &tm);
		2841	gEliminate_faces = 1;
		2842	for (i = 0; i < 8 + c->extra_point_num; i++) {
		2843	if (i >= 8) {
		2844	tv = c->extra_points[i - 8];
		2845	} else {
		2846	tv.v[0] = ((i & 2) == 0) * c->bounds[1].min.v[0] + ((i & 2) >> 1) * c->bounds[1].max.v[0];
		2847	tv.v[1] = ((i & 1) == 0) * c->bounds[1].min.v[1] + ((i & 1) >> 0) * c->bounds[1].max.v[1];
		2848	tv.v[2] = ((i & 4) == 0) * c->bounds[1].max.v[2] + ((i & 4) >> 2) * c->bounds[1].min.v[2];
		2849	}
		2850	BrMatrix34ApplyP(&dir, &tv, mat);
		2851	if (dt >= 0.0f) {
		2852	BrMatrix34ApplyP(&a, &tv, oldmat);
		2853	} else {
		2854	BrVector3Scale(&a, &c->pos, WORLD_SCALE);
		2855	}
		2856	BrVector3Sub(&dir, &dir, &a);
		2857	BrVector3Normalise(&normal_force, &dir);
		2858	BrVector3Scale(&normal_force, &normal_force, 0.0072463769f);
		2859	BrVector3Accumulate(&dir, &normal_force);
		2860	material = FindFloorInBoxM2(&a, &dir, &norm, &dist, c);
		2861	if (dist >= 0.0f && dist < 1.0001f) {
		2862	BrVector3Scale(&cc, &c->pos, WORLD_SCALE);
		2863	BrVector3Sub(&cc, &cc, &a);
		2864	FindFloorInBoxM(&a, &cc, &bb, &ts, c);
		2865	if (i < 8 \|\| ts > 1.0f) {
		2866	BrMatrix34TApplyV(&a, &norm, oldmat);
		2867	AddCollPoint(dist, &tv, &a, r, n, &dir, k, c);
		2868	k++;
		2869	if (gMaterial_index == 0) {
		2870	gMaterial_index = material;
		2871	}
		2872	}
		2873	}
		2874	}
		2875	gEliminate_faces = 0;
		2876	if (k < 1) {
		2877	k += BoxFaceIntersect(&c->bounds[1], mat, &mat_to_oldmat, &r[k], &n[k], &d[k], 8 - k, c);
		2878	}
		2879	if (k > 4) {
		2880	k = 4;
		2881	}
		2882	for (i = 0; i < k; i++) {
		2883	if (fabsf(r[i].v[1]) + fabsf(r[i].v[2]) + fabsf(r[i].v[0]) > 500.0f) {
		2884	for (j = i + 1; j < k; j++) {
		2885	if (fabsf(r[j].v[1]) + fabsf(r[j].v[2]) + fabsf(r[j].v[0]) < 500.0f) {
		2886	r[i] = r[j];
		2887	n[i] = n[j];
		2888	i++;
		2889	}
		2890	}
		2891	k = i;
		2892	break;
		2893	}
		2894	}
		2895	if (dt >= 0.0f) {
		2896	if (k > 0 && c->collision_flag && k < 4
		2897	&& (fabsf(r[0].v[0] - c->old_point.v[0]) > 0.05f
		2898	\|\| fabsf(r[0].v[1] - c->old_point.v[1]) > 0.05f
		2899	\|\| fabsf(r[0].v[2] - c->old_point.v[2]) > 0.05f)) {
		2900	r[k] = c->old_point;
		2901	n[k] = c->old_norm;
		2902	k++;
		2903	}
		2904	if (k > 0) {
		2905	c->old_point = r[0];
		2906	c->old_norm = n[0];
		2907	BrMatrix34Copy(mat, oldmat);
		2908	c->omega = c->oldomega;
		2909	BrMatrix34TApplyV(&c->velocity_car_space, &c->v, mat);
		2910	memset(&norm, 0, sizeof(norm));
		2911	collision = 0;
		2912	for (i = 0; i < k; i++) {
		2913	BrVector3Cross(&tau[i], &r[i], &n[i]);
		2914	tau[i].v[0] = tau[i].v[0] / c->I.v[0];
		2915	tau[i].v[1] = tau[i].v[1] / c->I.v[1];
		2916	tau[i].v[2] = tau[i].v[2] / c->I.v[2];
		2917	BrVector3Cross(&normal_force, &c->omega, &r[i]);
		2918	BrVector3Accumulate(&normal_force, &c->velocity_car_space);
		2919	d[i] = -(BrVector3Dot(&n[i], &normal_force));
		2920	BrVector3Add(&normal_force, &r[i], &c->cmpos);
		2921	BrMatrix34ApplyP(&dir, &normal_force, &mat_to_oldmat);
		2922	BrVector3Sub(&dir, &dir, &normal_force);
		2923	ts = -(BrVector3Dot(&n[i], &dir) / dt);
		2924	if (ts > d[i]) {
		2925	d[i] = ts;
		2926	}
		2927	if (d[i] > 0.0f) {
		2928	collision = 1;
		2929	}
		2930	}
		2931	if (!collision) {
		2932	d[0] = 0.5f;
		2933	}
		2934	for (i = 0; i < k; i++) {
		2935	for (j = 0; j < k; j++) {
		2936	BrVector3Cross(&normal_force, &tau[j], &r[i]);
		2937	BrVector3InvScale(&norm, &n[j], c->M);
		2938	BrVector3Accumulate(&normal_force, &norm);
		2939	M.m[i][j] = BrVector3Dot(&n[i], &normal_force);
		2940	}
		2941	}
		2942	switch (k) {
		2943	case 1:
		2944	ts = SinglePointColl(f, &M, d);
		2945	break;
		2946	case 2:
		2947	ts = TwoPointColl(f, &M, d, tau, n);
		2948	break;
		2949	case 3:
		2950	d[3] = 0.0f;
		2951	ts = ThreePointCollRec(f, &M, d, tau, n, c);
		2952	break;
		2953	case 4:
		2954	ts = FourPointColl(f, &M, d, tau, n, c);
		2955	break;
		2956	default:
		2957	break;
		2958	}
		2959	if (k > 3) {
		2960	k = 3;
		2961	}
		2962	// if (f[0] > 10.0f \|\| f[1] > 10.0f \|\| f[2] > 10.0f) {
		2963	// v31 = 0;
		2964	// }
		2965	if (fabsf(ts) <= 0.000001f) {
		2966	BrVector3Set(&c->v, 0.f, 0.f, 0.f);
		2967	BrVector3Set(&c->omega, 0.f, 0.f, 0.f);
		2968	BrVector3Set(&c->oldomega, 0.f, 0.f, 0.f);
		2969	return k;
		2970	}
		2971	BrVector3Set(&p_vel, 0.f, 0.f, 0.f);
		2972	BrVector3Set(&dir, 0.f, 0.f, 0.f);
		2973	BrVector3Set(&friction_force, 0.f, 0.f, 0.f);
		2974	total_force = 0.f;
		2975	for (i = 0; i < k; i++) {
		2976	if (f[i] < 0.001f) {
		2977	f[i] = 0.001f;
		2978	}
		2979	f[i] = f[i] * 1.001f;
		2980	BrVector3Scale(&tau[i], &tau[i], f[i]);
		2981	BrVector3Accumulate(&c->omega, &tau[i]);
		2982	f[i] = f[i] / c->M;
		2983	BrVector3Scale(&n[i], &n[i], f[i]);
		2984	BrVector3Accumulate(&p_vel, &n[i]);
		2985	BrVector3Add(&bb, &r[i], &c->cmpos);
		2986	BrVector3Scale(&bb, &bb, f[i]);
		2987	BrVector3Accumulate(&dir, &bb);
		2988	total_force = f[i] + total_force;
		2989	}
		2990	if (gPinball_factor != 0.0f) {
		2991	BrVector3Scale(&p_vel, &p_vel, gPinball_factor);
		2992	point_vel = BrVector3LengthSquared(&p_vel);
		2993	if (point_vel > 10.0f) {
		2994	noise_defeat = 1;
		2995	if (c->driver == eDriver_local_human) {
		2996	DRS3StartSound(gCar_outlet, 9011);
		2997	} else {
		2998	DRS3StartSound3D(gCar_outlet, 9011, &c->pos, &gZero_v__car, 1, 255, 0x10000, 0x10000);
		2999	}
		3000	if (point_vel > 10000.0f) {
		3001	BrVector3Normalise(&p_vel, &p_vel);
		3002	BrVector3Scale(&p_vel, &p_vel, 100);
		3003	}
		3004	}
		3005	}
		3006	BrVector3Accumulate(&c->velocity_car_space, &p_vel);
		3007	BrVector3InvScale(&dir, &dir, total_force);
		3008	BrVector3Cross(&tv, &c->omega, &dir);
		3009	BrVector3Accumulate(&tv, &c->velocity_car_space);
		3010	batwick_length = BrVector3Length(&tv);
		3011	if (!c->collision_flag \|\| (c->collision_flag == 1 && oldk < k)) {
		3012	for (i = 0; i < k; i++) {
		3013	BrVector3Cross(&vel, &c->omega, &r[i]);
		3014	BrVector3Accumulate(&vel, &c->velocity_car_space);
		3015	AddFriction(c, &vel, &n[i], &r[i], f[i], &max_friction);
		3016	BrVector3Accumulate(&friction_force, &max_friction);
		3017	BrVector3Accumulate(&c->velocity_car_space, &max_friction);
		3018	}
		3019	}
		3020	oldk = k;
		3021	BrMatrix34ApplyP(&pos, &dir, &c->car_master_actor->t.t.mat);
		3022	BrVector3InvScale(&pos, &pos, WORLD_SCALE);
		3023	noise_defeat = 0;
		3024	BrVector3Add(&normal_force, &friction_force, &p_vel);
		3025	BrMatrix34ApplyV(&norm, &normal_force, mat);
		3026	min = dt * 90.0f / 10.0f;
		3027	max = dt * 110.0f / 10.0f;
		3028	if (c->last_special_volume != NULL) {
		3029	min *= c->last_special_volume->gravity_multiplier;
		3030	max *= c->last_special_volume->gravity_multiplier;
		3031	}
		3032	if (BrVector3LengthSquared(&c->velocity_car_space) < 0.05f
		3033	&& 0.1f * total_force > BrVector3Dot(&c->omega, &tv)
		3034	&& k >= 3
		3035	&& norm.v[1] > min
		3036	&& norm.v[1] < max) {
		3037	if (c->driver <= eDriver_non_car \|\| fabsf(normal_force.v[2]) <= total_force * 0.9f) {
		3038	BrVector3Set(&c->v, 0.f, 0.f, 0.f);
		3039	BrVector3Set(&norm, 0.f, 0.f, 0.f);
		3040	BrVector3Set(&normal_force, 0.f, 0.f, 0.f);
		3041	BrVector3Set(&c->omega, 0.f, 0.f, 0.f);
		3042	BrVector3Set(&c->oldomega, 0.f, 0.f, 0.f);
		3043	if (c->driver <= eDriver_non_car \|\| car_spec->max_force_rear == 0.0f) {
		3044	if (c->driver <= eDriver_non_car) {
		3045	PipeSingleNonCar(c);
		3046	}
		3047	c->doing_nothing_flag = 1;
		3048	}
		3049	} else {
		3050	BrVector3SetFloat(&tv2, 0.0f, -1.0f, 0.0f);
		3051	bb.v[0] = mat->m[1][2] * tv2.v[1] - mat->m[1][1] * tv2.v[2];
		3052	bb.v[1] = mat->m[1][0] * tv2.v[2] - mat->m[1][2] * tv2.v[0];
		3053	bb.v[2] = mat->m[1][1] * tv2.v[0] - mat->m[1][0] * tv2.v[1];
		3054	if (BrVector3Dot(&bb, (br_vector3*)&mat->m[0][1]) <= 0.0f) {
		3055	c->omega.v[0] = -0.5f;
		3056	} else {
		3057	c->omega.v[0] = 0.5f;
		3058	}
		3059	}
		3060	}
		3061	BrVector3Accumulate(&c->v, &norm);
		3062	if (c->driver >= eDriver_net_human) {
		3063	BrVector3Scale(&normal_force, &normal_force, gDefensive_powerup_factor[car_spec->power_up_levels[0]]);
		3064	}
		3065	if (c->driver < eDriver_net_human) {
		3066	BrVector3Scale(&normal_force, &normal_force, 0.01f);
		3067	} else {
		3068	BrVector3Scale(&normal_force, &normal_force, 0.75f);
		3069	}
		3070	if (CAR(c)->invulnerable
		3071	\|\| (c->driver < eDriver_net_human && (c->driver != eDriver_oppo \|\| PointOutOfSight(&c->pos, 150.0f)))
		3072	\|\| ((v_diff = (car_spec->pre_car_col_velocity.v[1] - c->v.v[1]) * gDefensive_powerup_factor[car_spec->power_up_levels[0]]) >= -20.0f)
		3073	\|\| CAR(c)->number_of_wheels_on_ground >= 3) {
		3074	CrushAndDamageCar(CAR(c), &dir, &normal_force, NULL);
		3075	} else {
		3076	// Cops Special Forces is always stolen if destroyed!
		3077	if (c->driver == eDriver_oppo && c->index == 4 && v_diff < -40.0f) {
		3078	KnackerThisCar(CAR(c));
		3079	StealCar(CAR(c));
		3080	v_diff = v_diff * 5.0f;
		3081	}
		3082	for (i = 0; i < CAR(c)->car_actor_count; i++) {
		3083	ts2 = (v_diff + 20.0f) * -0.01f;
		3084	TotallySpamTheModel(CAR(c), i, CAR(c)->car_model_actors[i].actor, &CAR(c)->car_model_actors[i].crush_data, ts2);
		3085	}
		3086	for (i = 0; i < COUNT_OF(CAR(c)->damage_units); i++) {
		3087	DamageUnit(CAR(c), i, IRandomPosNeg(5) + (v_diff + 20.0f) * -1.5f);
		3088	}
		3089	}
		3090	if (!noise_defeat) {
		3091	CrashNoise(&norm, &pos, gMaterial_index);
		3092	ScrapeNoise(batwick_length, &pos, gMaterial_index);
		3093	}
		3094	BrVector3InvScale(&tv, &tv, WORLD_SCALE);
		3095	BrMatrix34ApplyV(&bb, &tv, &c->car_master_actor->t.t.mat);
		3096	BrMatrix34ApplyV(&norm, &p_vel, &c->car_master_actor->t.t.mat);
		3097	CreateSparks(&pos, &bb, &norm, gCurrent_race.material_modifiers[gMaterial_index].sparkiness, car_spec);
		3098	}
		3099	return k;
		3100	} else {
		3101	if (k != 0) {
		3102	c->old_point = r[0];
		3103	c->old_norm = n[0];
		3104	}
		3105	return k;
		3106	}
		3107	}
		3108
		3109	// IDA: br_scalar __usercall AddFriction@<ST0>(tCollision_info c@<EAX>, br_vector3 vel@<EDX>, br_vector3 normal_force@<EBX>, br_vector3 pos@<ECX>, br_scalar total_force, br_vector3 *max_friction)
		3110	br_scalar AddFriction(tCollision_info* c, br_vector3* vel, br_vector3* normal_force, br_vector3* pos, br_scalar total_force, br_vector3* max_friction) {
		3111	br_vector3 norm;
		3112	br_vector3 tv;
		3113	br_vector3 ftau;
		3114	br_scalar ts;
		3115	br_scalar point_vel;
		3116	LOG_TRACE("(%p, %p, %p, %p, %f, %p)", c, vel, normal_force, pos, total_force, max_friction);
		3117
		3118	ts = BrVector3Dot(normal_force, vel) / BrVector3Dot(normal_force, normal_force);
		3119	BrVector3Scale(&tv, normal_force, ts);
		3120	BrVector3Sub(vel, vel, &tv);
		3121	point_vel = total_force * 0.35f * gCurrent_race.material_modifiers[gMaterial_index].car_wall_friction;
		3122	ts = BrVector3Length(vel);
		3123	if (ts < 0.0001f) {
		3124	BrVector3Set(max_friction, 0.f, 0.f, 0.f);
		3125	return 0.0;
		3126	}
		3127	BrVector3InvScale(max_friction, vel, -ts);
		3128	BrVector3Cross(&ftau, pos, max_friction);
		3129	BrVector3Scale(&ftau, &ftau, c->M);
		3130	ftau.v[0] = ftau.v[0] / c->I.v[0];
		3131	ftau.v[1] = ftau.v[1] / c->I.v[1];
		3132	ftau.v[2] = ftau.v[2] / c->I.v[2];
		3133	ts = 1.0 / c->M;
		3134	norm.v[0] = pos->v[2] * ftau.v[1] - pos->v[1] * ftau.v[2];
		3135	norm.v[1] = pos->v[0] * ftau.v[2] - pos->v[2] * ftau.v[0];
		3136	norm.v[2] = pos->v[1] * ftau.v[0] - pos->v[0] * ftau.v[1];
		3137	ts = max_friction->v[0] * norm.v[0] + max_friction->v[1] * norm.v[1] + max_friction->v[2] * norm.v[2] + ts;
		3138	if (fabsf(ts) <= 0.0001f) {
		3139	ts = 0.0f;
		3140	} else {
		3141	ts = -BrVector3Dot(max_friction, vel) / ts;
		3142	}
		3143	if (ts > point_vel) {
		3144	ts = point_vel;
		3145	}
		3146	BrVector3Scale(max_friction, max_friction, ts);
		3147	BrVector3Cross(&tv, pos, max_friction);
		3148	BrVector3Scale(&tv, &tv, c->M);
		3149	ApplyTorque((tCar_spec*)c, &tv);
		3150	return point_vel;
		3151	}
		3152
		3153	// IDA: void __usercall AddFrictionCarToCar(tCollision_info car1@<EAX>, tCollision_info car2@<EDX>, br_vector3 vel1@<EBX>, br_vector3 vel2@<ECX>, br_vector3 normal_force1, br_vector3 pos1, br_vector3 pos2, br_scalar total_force, br_vector3 max_friction)
		3154	void AddFrictionCarToCar(tCollision_info* car1, tCollision_info* car2, br_vector3* vel1, br_vector3* vel2, br_vector3* normal_force1, br_vector3* pos1, br_vector3* pos2, br_scalar total_force, br_vector3* max_friction) {
		3155	br_vector3 v_diff1;
		3156	br_vector3 v_diff2;
		3157	br_vector3 tau1;
		3158	br_vector3 tau2;
		3159	br_vector3 tv;
		3160	br_vector3 tv2;
		3161	br_vector3 vel2_in_frame_1;
		3162	br_scalar ts;
		3163	br_scalar ts2;
		3164	br_scalar v_diff;
		3165	br_scalar stopping_impulse;
		3166	br_scalar total_friction;
		3167	int i;
		3168	LOG_TRACE("(%p, %p, %p, %p, %p, %p, %p, %f, %p)", car1, car2, vel1, vel2, normal_force1, pos1, pos2, total_force, max_friction);
		3169
		3170	BrMatrix34TApplyV(&tv, vel2, &car2->oldmat);
		3171	BrMatrix34ApplyV(&vel2_in_frame_1, &tv, &car1->oldmat);
		3172	BrVector3Sub(&v_diff1, &vel2_in_frame_1, vel1);
		3173	ts = BrVector3LengthSquared(normal_force1);
		3174	ts2 = BrVector3Dot(normal_force1, &v_diff1) / ts;
		3175	BrVector3Scale(&tv, normal_force1, ts2);
		3176	BrVector3Sub(&v_diff1, &v_diff1, &tv);
		3177	v_diff = BrVector3Length(&v_diff1);
		3178	if (v_diff < 0.01f) {
		3179	BrVector3Set(max_friction, 0.f, 0.f, 0.f);
		3180	} else {
		3181	BrVector3InvScale(&v_diff1, &v_diff1, v_diff);
		3182	BrMatrix34ApplyV(&tv, &v_diff1, &car1->oldmat);
		3183	BrMatrix34TApplyV(&v_diff2, &tv, &car2->oldmat);
		3184	BrVector3Negate(&v_diff2, &v_diff2);
		3185	BrVector3Cross(&tau1, pos1, &v_diff1);
		3186	BrVector3Cross(&tau2, pos2, &v_diff2);
		3187	for (i = 0; i < 3; ++i) {
		3188	tau1.v[i] /= car1->I.v[i];
		3189	tau2.v[i] /= car2->I.v[i];
		3190	}
		3191	BrVector3Cross(&tv, &tau1, pos1);
		3192	BrVector3Cross(&tv2, &tau2, pos2);
		3193	ts = BrVector3Dot(&tv, &v_diff1) + BrVector3Dot(&tv2, &v_diff2) + 1.f / car2->M + 1.f / car1->M;
		3194	if (ts < 0.0001f) {
		3195	BrVector3Set(max_friction, 0.f, 0.f, 0.f);
		3196	} else {
		3197	stopping_impulse = v_diff / ts;
		3198	total_friction = total_force * 0.35f;
		3199	if (stopping_impulse < total_friction) {
		3200	total_friction = stopping_impulse;
		3201	}
		3202	if (!car1->infinite_mass) {
		3203	BrVector3Scale(&tau1, &tau1, total_friction);
		3204	BrVector3Accumulate(&car1->omega, &tau1);
		3205	}
		3206	if (!car2->infinite_mass) {
		3207	BrVector3Scale(&tau2, &tau2, total_friction);
		3208	BrVector3Accumulate(&car2->omega, &tau2);
		3209	}
		3210	BrVector3Scale(max_friction, &v_diff1, total_friction);
		3211	}
		3212	}
		3213	}
		3214
		3215	// IDA: void __cdecl ScrapeNoise(br_scalar vel, br_vector3 *position, int material)
		3216	void ScrapeNoise(br_scalar vel, br_vector3* position, int material) {
		3217	tS3_volume vol;
		3218	static tS3_sound_tag scrape_tag;
		3219	static tS3_volume last_scrape_vol;
		3220	br_vector3 velocity;
		3221	//br_vector3 position_in_br; // Pierre-Marie Baty -- unused variable
		3222	LOG_TRACE("(%f, %p, %d)", vel, position, material);
		3223
		3224	vol = vel * 7.0;
		3225	if (gCurrent_race.material_modifiers[material].scrape_noise_index == -1) {
		3226	return;
		3227	}
		3228	if ((scrape_tag && DRS3SoundStillPlaying(scrape_tag)) \|\| vol <= 30) {
		3229	if (last_scrape_vol < vol) {
		3230	DRS3ChangeVolume(scrape_tag, vol);
		3231	last_scrape_vol = vol;
		3232	}
		3233	} else {
		3234	BrVector3Set(&velocity, 0.f, 0.f, 0.f);
		3235	scrape_tag = DRS3StartSound3D(
		3236	gCar_outlet,
		3237	gMetal_scrape_sound_id__car[IRandomBetween(0, COUNT_OF(gMetal_scrape_sound_id__car) - 1)],
		3238	position,
		3239	&velocity,
		3240	1,
		3241	vol,
		3242	IRandomBetween(49152, 81920),
		3243	0x10000);
		3244	last_scrape_vol = vol;
		3245	}
		3246	}
		3247
		3248	// IDA: void __usercall SkidNoise(tCar_spec *pC@<EAX>, int pWheel_num@<EDX>, br_scalar pV, int material)
		3249	void SkidNoise(tCar_spec* pC, int pWheel_num, br_scalar pV, int material) {
		3250	br_vector3 pos;
		3251	br_vector3 world_pos;
		3252	br_vector3 wv;
		3253	br_vector3 wvw;
		3254	br_scalar ts;
		3255	static tS3_volume last_skid_vol[2];
		3256	int i;
		3257	LOG_TRACE("(%p, %d, %f, %d)", pC, pWheel_num, pV, material);
		3258
		3259	i = IRandomBetween(0, 1);
		3260	if (gCurrent_race.material_modifiers[material].tyre_noise_index == -1) {
		3261	return;
		3262	}
		3263	if (IRandomBetween(0, 4) != 0) {
		3264	return;
		3265	}
		3266
		3267	last_skid_vol[i] = pV * 10.0;
		3268	if ((pWheel_num & 1) != 0) {
		3269	pos.v[0] = pC->bounds[1].max.v[0];
		3270	} else {
		3271	pos.v[0] = pC->bounds[1].min.v[0];
		3272	}
		3273	pos.v[1] = pC->wpos[pWheel_num].v[1] - pC->oldd[pWheel_num];
		3274	pos.v[2] = pC->wpos[pWheel_num].v[2];
		3275	BrMatrix34ApplyP(&world_pos, &pos, &pC->car_master_actor->t.t.mat);
		3276	BrVector3InvScale(&world_pos, &world_pos, WORLD_SCALE);
		3277	if (!DRS3SoundStillPlaying(gSkid_tag[i]) \|\| (pC->driver == eDriver_local_human && gLast_car_to_skid[i] != pC)) {
		3278	gSkid_tag[i] = DRS3StartSound3D(
		3279	gCar_outlet,
		3280	IRandomBetween(0, 4) + 9000,
		3281	&world_pos,
		3282	&pC->velocity_bu_per_sec,
		3283	1,
		3284	last_skid_vol[i],
		3285	IRandomBetween(49152, 81920),
		3286	0x10000);
		3287	gLast_car_to_skid[i] = pC;
		3288	}
		3289	if (gCurrent_race.material_modifiers[material].smoke_type == 1) {
		3290	BrVector3Cross(&wv, &pC->omega, &pos);
		3291	BrVector3Add(&wv, &wv, &pC->velocity_car_space);
		3292	ts = -(BrVector3Dot(&wv, &pC->road_normal));
		3293	BrVector3Scale(&wvw, &pC->road_normal, ts);
		3294	BrVector3Add(&wv, &wv, &wvw);
		3295	BrMatrix34ApplyV(&wvw, &wv, &pC->car_master_actor->t.t.mat);
		3296	CreatePuffOfSmoke(&world_pos, &wvw, pV / 25.0, 1.0, 4, pC);
		3297	}
		3298	}
		3299
		3300	// IDA: void __usercall StopSkid(tCar_spec *pC@<EAX>)
		3301	void StopSkid(tCar_spec* pC) {
		3302	LOG_TRACE("(%p)", pC);
		3303
		3304	if (gLast_car_to_skid[0] == pC) {
		3305	DRS3StopSound(gSkid_tag[0]);
		3306	}
		3307	if (gLast_car_to_skid[1] == pC) {
		3308	DRS3StopSound(gSkid_tag[1]);
		3309	}
		3310	}
		3311
		3312	// IDA: void __usercall CrashNoise(br_vector3 pForce@<EAX>, br_vector3 position@<EDX>, int material@<EBX>)
		3313	void CrashNoise(br_vector3* pForce, br_vector3* position, int material) {
		3314	static tS3_sound_tag crunch_tag;
		3315	static tS3_volume last_crunch_vol;
		3316	tS3_volume vol;
		3317	br_vector3 velocity;
		3318	LOG_TRACE("(%p, %p, %d)", pForce, position, material);
		3319
		3320	vol = 60.f * BrVector3Length(pForce);
		3321	if (gCurrent_race.material_modifiers[material].crash_noise_index != -1) {
		3322	if (vol >= 256) {
		3323	vol = 255;
		3324	}
		3325	if (crunch_tag == 0 \|\| (!DRS3SoundStillPlaying(crunch_tag) && vol > 30)) {
		3326	last_crunch_vol = vol;
		3327	(void)last_crunch_vol;
		3328	BrVector3Set(&velocity, 0.f, 0.f, 0.f);
		3329	crunch_tag = DRS3StartSound3D(gCar_outlet,
		3330	gMetal_crunch_sound_id__car[IRandomBetween(0, COUNT_OF(gMetal_crunch_sound_id__car) - 1)],
		3331	position, &velocity, 1, vol, IRandomBetween(49152, 81920), 0x10000);
		3332	}
		3333	}
		3334	}
		3335
		3336	// IDA: void __usercall CrushAndDamageCar(tCar_spec c@<EAX>, br_vector3 pPosition@<EDX>, br_vector3 pForce_car_space@<EBX>, tCar_spec car2@<ECX>)
		3337	void CrushAndDamageCar(tCar_spec* c, br_vector3* pPosition, br_vector3* pForce_car_space, tCar_spec* car2) {
		3338	br_vector3 force;
		3339	//br_vector3 force2; // Pierre-Marie Baty -- unused variable
		3340	br_vector3 position;
		3341	br_vector3 pos_w;
		3342	br_vector3 car_to_cam;
		3343	br_vector3 force_for_bodywork;
		3344	br_scalar ts;
		3345	int i;
		3346	br_matrix34 m;
		3347	br_scalar fudge_multiplier;
		3348	LOG_TRACE("(%p, %p, %p, %p)", c, pPosition, pForce_car_space, car2);
		3349
		3350	if (car2 != NULL) {
		3351	car2->who_last_hit_me = c;
		3352	c->who_last_hit_me = car2;
		3353	}
		3354
		3355	if (c->driver == eDriver_non_car_unused_slot \|\| c->driver == eDriver_non_car) {
		3356	return;
		3357	}
		3358	fudge_multiplier = gNet_mode == eNet_mode_none \|\| gNet_softness[gCurrent_net_game->type] == 1.0f ? 1.0f : gNet_softness[gCurrent_net_game->type];
		3359	BrVector3Sub(&car_to_cam, &c->pos, (br_vector3*)gCamera_to_world.m[3]);
		3360	ts = BrVector3LengthSquared(&car_to_cam);
		3361	if (c->driver == eDriver_oppo && ts > 200.0f) {
		3362	return;
		3363	}
		3364	if (car2 != NULL) {
		3365	if (car2->driver > eDriver_non_car) {
		3366	TwoCarsHitEachOther(c, car2);
		3367	}
		3368	if (c->driver >= eDriver_net_human) {
		3369	fudge_multiplier = gDefensive_powerup_factor[c->power_up_levels[0]] * 1.2f * fudge_multiplier;
		3370	}
		3371	if (car2->driver >= eDriver_net_human) {
		3372	if (gNet_mode != eNet_mode_none
		3373	&& (gCurrent_net_game->type == eNet_game_type_fight_to_death \|\| gCurrent_net_game->type == eNet_game_type_car_crusher)) {
		3374	fudge_multiplier = gOffensive_powerup_factor[car2->power_up_levels[2]] * gNet_offensive[gCurrent_net_game->type] * car2->damage_multiplier * fudge_multiplier;
		3375	} else {
		3376	fudge_multiplier = gOffensive_powerup_factor[car2->power_up_levels[2]] * car2->damage_multiplier * fudge_multiplier;
		3377	}
		3378	}
		3379	if (c->driver == eDriver_oppo && car2->driver == eDriver_oppo) {
		3380	fudge_multiplier = fudge_multiplier * 0.2f;
		3381	}
		3382	if (car2->driver <= eDriver_non_car) {
		3383	car2 = NULL;
		3384	} else {
		3385	fudge_multiplier /= ((car2->car_model_actors[car2->principal_car_actor].crush_data.softness_factor + 0.7f) / 0.7f);
		3386	}
		3387	}
		3388	BrVector3InvScale(&position, pPosition, WORLD_SCALE);
		3389	BrVector3Scale(&force, pForce_car_space, fudge_multiplier * 0.03f);
		3390	ts = BrVector3LengthSquared(&force);
		3391	if (c->driver <= eDriver_non_car \|\| !c->invulnerable) {
		3392	c->damage_magnitude_accumulator += ts;
		3393	}
		3394	if (c->driver < eDriver_net_human) {
		3395	BrVector3Scale(&force_for_bodywork, &force, 1.5f);
		3396	} else {
		3397	if (c->collision_mass_multiplier != 1.0) {
		3398	BrVector3InvScale(&force, &force, c->collision_mass_multiplier);
		3399	}
		3400	BrVector3Scale(&force_for_bodywork, &force, 0.5f);
		3401	if (c->driver == eDriver_local_human) {
		3402	DoPratcamHit(&force);
		3403	}
		3404	}
		3405	if (gNet_mode == eNet_mode_host && (gCurrent_net_game->type == eNet_game_type_tag \|\| gCurrent_net_game->type == eNet_game_type_foxy) && car2 != NULL
		3406	&& c->driver >= eDriver_net_human && car2->driver >= eDriver_net_human) {
		3407	if (gNet_players[gIt_or_fox].car == c && car2->knackered) {
		3408	CarInContactWithItOrFox(NetPlayerFromCar(car2));
		3409	} else if (gNet_players[gIt_or_fox].car == car2 && !c->knackered) {
		3410	CarInContactWithItOrFox(NetPlayerFromCar(c));
		3411	}
		3412	}
		3413	if (gNet_mode != eNet_mode_client \|\| car2 == NULL) {
		3414	DamageSystems(c, &position, &force, car2 != NULL);
		3415	}
		3416	if (c->driver <= eDriver_non_car \|\| !c->invulnerable) {
		3417	for (i = 0; i < c->car_actor_count; i++) {
		3418	if (c->car_model_actors[i].min_distance_squared != -1.0f \|\| (pForce_car_space->v[1] >= 0.0f && pForce_car_space->v[2] >= 0.0f)) {
		3419	CrushModel(c, i, c->car_model_actors[i].actor, &position, &force_for_bodywork, &c->car_model_actors[i].crush_data);
		3420	}
		3421	}
		3422	if (car2 && car2->driver == eDriver_local_human && ts > 0.003f) {
		3423	PipeSingleCarIncident(ts, c, &position);
		3424	}
		3425	if (!car2 && c->driver == eDriver_local_human && ts > 0.003f) {
		3426	BrMatrix34Copy(&m, &c->car_master_actor->t.t.mat);
		3427	m.m[3][0] /= WORLD_SCALE;
		3428	m.m[3][1] /= WORLD_SCALE;
		3429	m.m[3][2] /= WORLD_SCALE;
		3430	BrMatrix34ApplyP(&pos_w, &position, &m);
		3431	PipeSingleWallIncident(ts, &pos_w);
		3432	}
		3433	}
		3434	if (car2 != NULL && car2->driver == eDriver_local_human && ts > 0.003f) {
		3435	PipeSingleCarIncident(ts, c, &position);
		3436	}
		3437	if (car2 == NULL && c->driver == eDriver_local_human && ts > 0.003f) {
		3438	BrMatrix34Copy(&m, &c->car_master_actor->t.t.mat);
		3439	m.m[3][0] /= WORLD_SCALE;
		3440	m.m[3][1] /= WORLD_SCALE;
		3441	m.m[3][2] /= WORLD_SCALE;
		3442	BrMatrix34ApplyP(&pos_w, &position, &m);
		3443	PipeSingleWallIncident(ts, &pos_w);
		3444	}
		3445	}
		3446
		3447	// IDA: int __usercall ExpandBoundingBox@<EAX>(tCar_spec *c@<EAX>)
		3448	int ExpandBoundingBox(tCar_spec* c) {
		3449	br_scalar min_z;
		3450	br_scalar max_z;
		3451	br_scalar dist;
		3452	br_vector3 tv;
		3453	br_vector3 old_pos;
		3454	int l;
		3455	//br_matrix34 mat; // Pierre-Marie Baty -- unused variable
		3456	LOG_TRACE("(%p)", c);
		3457
		3458	l = 0;
		3459	min_z = c->bounds[1].min.v[2];
		3460	max_z = c->bounds[1].max.v[2];
		3461	old_pos = (br_vector3)&c->oldmat.m[3][0];
		3462	CrushBoundingBox(c, 0);
		3463	for (l = 0; l < 5; l++) {
		3464	if (TestForCarInSensiblePlace(c)) {
		3465	break;
		3466	}
		3467	if (c->old_point.v[2] <= 0.0f) {
		3468	dist = min_z - c->bounds[1].min.v[2];
		3469	} else {
		3470	dist = c->bounds[1].max.v[2] - max_z;
		3471	}
		3472	if (dist >= 0.0f) {
		3473	dist += 0.005f;
		3474	BrVector3Scale(&c->old_norm, &c->old_norm, dist);
		3475	BrMatrix34ApplyV(&tv, &c->old_norm, &c->car_master_actor->t.t.mat);
		3476	c->oldmat.m[3][0] += tv.v[0];
		3477	c->oldmat.m[3][1] += tv.v[1];
		3478	c->oldmat.m[3][2] += tv.v[2];
		3479	l++;
		3480	} else {
		3481	l = 5;
		3482	}
		3483	}
		3484	if (l < 5) {
		3485	return 1;
		3486	}
		3487	(br_vector3)&c->oldmat.m[3][0] = old_pos;
		3488	c->bounds[1].min.v[2] = min_z;
		3489	c->bounds[1].max.v[2] = max_z;
		3490	if (c->driver == eDriver_local_human) {
		3491	NewTextHeadupSlot(4, 0, 1000, -4, GetMiscString(kMiscString_RepairObstructed));
		3492	}
		3493	return 0;
		3494	}
		3495
		3496	// IDA: void __usercall CrushBoundingBox(tCar_spec *c@<EAX>, int crush_only@<EDX>)
		3497	void CrushBoundingBox(tCar_spec* c, int crush_only) {
		3498	br_vector3 min;
		3499	br_vector3 max;
		3500	int i;
		3501	br_actor* actor;
		3502	LOG_TRACE("(%p, %d)", c, crush_only);
		3503
		3504	if (c == NULL) {
		3505	return;
		3506	}
		3507	actor = c->car_model_actors[c->principal_car_actor].actor;
		3508	max.v[0] = c->wpos[2].v[2] - c->non_driven_wheels_circum / 6.2f;
		3509	min.v[0] = c->driven_wheels_circum / 6.2f + c->wpos[0].v[2];
		3510	max.v[0] /= WORLD_SCALE;
		3511	min.v[0] /= WORLD_SCALE;
		3512	for (i = 0; i < actor->model->nvertices; i++) {
		3513	if (actor->model->vertices[i].p.v[2] < max.v[0]) {
		3514	max.v[0] = actor->model->vertices[i].p.v[2];
		3515	}
		3516	if (actor->model->vertices[i].p.v[2] > min.v[0]) {
		3517	min.v[0] = actor->model->vertices[i].p.v[2];
		3518	}
		3519	}
		3520	max.v[0] *= WORLD_SCALE;
		3521	min.v[0] *= WORLD_SCALE;
		3522	if (crush_only) {
		3523	if (c->bounds[1].min.v[2] > max.v[0]) {
		3524	max.v[0] = c->bounds[1].min.v[2];
		3525	}
		3526	if (c->bounds[1].max.v[2] < min.v[0]) {
		3527	min.v[0] = c->bounds[1].max.v[2];
		3528	}
		3529	} else {
		3530	if (c->max_bounds[1].min.v[2] > max.v[0]) {
		3531	max.v[0] = c->max_bounds[1].min.v[2];
		3532	}
		3533	if (c->max_bounds[1].max.v[2] < min.v[0]) {
		3534	min.v[0] = c->max_bounds[1].max.v[2];
		3535	}
		3536	}
		3537	c->bounds[1].min.v[2] = max.v[0];
		3538	c->bounds[1].max.v[2] = min.v[0];
		3539	for (i = 0; i < c->extra_point_num; i++) {
		3540	if (c->max_bounds[1].max.v[2] + 0.01f >= c->original_extra_points_z[i] && c->max_bounds[1].min.v[2] - 0.01f <= c->original_extra_points_z[i]) {
		3541	if (c->original_extra_points_z[i] > min.v[0]) {
		3542	c->extra_points[i].v[2] = min.v[0];
		3543	} else if (c->original_extra_points_z[i] >= max.v[0]) {
		3544	c->extra_points[i].v[2] = c->original_extra_points_z[i];
		3545	} else {
		3546	c->extra_points[i].v[2] = max.v[0];
		3547	}
		3548	if (c->extra_points[i].v[2] > min.v[0]) {
		3549	c->extra_points[i].v[2] = min.v[0];
		3550	}
		3551	if (c->extra_points[i].v[2] < max.v[0]) {
		3552	c->extra_points[i].v[2] = max.v[0];
		3553	}
		3554	} else {
		3555	c->extra_points[i].v[2] = c->original_extra_points_z[i];
		3556	}
		3557	}
		3558	}
		3559
		3560	// IDA: void __cdecl AddCollPoint(br_scalar dist, br_vector3 p, br_vector3 norm, br_vector3 r, br_vector3 n, br_vector3 dir, int num, tCollision_info c)
		3561	void AddCollPoint(br_scalar dist, br_vector3* p, br_vector3* norm, br_vector3* r, br_vector3* n, br_vector3* dir, int num, tCollision_info* c) {
		3562	static br_scalar d[4];
		3563	int i;
		3564	int furthest;
		3565	LOG_TRACE("(%f, %p, %p, %p, %p, %p, %d, %p)", dist, p, norm, r, n, dir, num, c);
		3566
		3567	if (num < 4) {
		3568	d[num] = dist;
		3569	n[num] = *norm;
		3570	BrVector3Sub(&r[num], p, &c->cmpos);
		3571	return;
		3572	}
		3573	furthest = 0;
		3574	for (i = 1; i < 4; i++) {
		3575	if (d[furthest] < d[i]) {
		3576	furthest = i;
		3577	}
		3578	}
		3579	if (d[furthest] >= dist) {
		3580	num = furthest;
		3581	d[num] = dist;
		3582	n[num] = *norm;
		3583	BrVector3Sub(&r[num], p, &c->cmpos);
		3584	}
		3585	}
		3586
		3587	// IDA: br_scalar __usercall SinglePointColl@<ST0>(br_scalar f@<EAX>, br_matrix4 m@<EDX>, br_scalar *d@<EBX>)
		3588	br_scalar SinglePointColl(br_scalar* f, br_matrix4* m, br_scalar* d) {
		3589	LOG_TRACE("(%p, %p, %p)", f, m, d);
		3590
		3591	f[0] = d[0] / m->m[0][0];
		3592	if (f[0] < 0.0f) {
		3593	f[0] = 0.f;
		3594	}
		3595	return fabsf(m->m[0][0]);
		3596	}
		3597
		3598	// IDA: br_scalar __usercall TwoPointColl@<ST0>(br_scalar f@<EAX>, br_matrix4 m@<EDX>, br_scalar d@<EBX>, br_vector3 tau@<ECX>, br_vector3 *n)
		3599	br_scalar TwoPointColl(br_scalar* f, br_matrix4* m, br_scalar* d, br_vector3* tau, br_vector3* n) {
		3600	br_scalar ts;
		3601	LOG_TRACE("(%p, %p, %p, %p, %p)", f, m, d, tau, n);
		3602
		3603	ts = m->m[1][1] * m->m[0][0] - m->m[0][1] * m->m[1][0];
		3604
		3605	if (fabsf(ts) >= 0.000001f) {
		3606	f[0] = (m->m[1][1] * d[0] - m->m[0][1] * d[1]) / ts;
		3607	f[1] = (m->m[1][0] * d[0] - m->m[0][0] * d[1]) / -ts;
		3608	}
		3609	if (f[1] < 0.0f \|\| fabs(ts) < 0.000001f) {
		3610	ts = SinglePointColl(f, m, d);
		3611	f[1] = 0.0f;
		3612	} else if (f[0] < 0.0f) {
		3613	m->m[0][0] = m->m[1][1];
		3614	tau[0] = tau[1];
		3615	n[0] = n[1];
		3616	d[0] = d[1];
		3617	ts = SinglePointColl(f, m, d);
		3618	f[1] = 0.0;
		3619	}
		3620	return fabsf(ts);
		3621	}
		3622
		3623	// IDA: br_scalar __usercall DrMatrix4Inverse@<ST0>(br_matrix4 mi@<EAX>, br_matrix4 mc@<EDX>)
		3624	br_scalar DrMatrix4Inverse(br_matrix4* mi, br_matrix4* mc) {
		3625	LOG_TRACE("(%p, %p)", mi, mc);
		3626
		3627	return BrMatrix4Inverse(mi, mc);
		3628	}
		3629
		3630	// IDA: br_scalar __usercall ThreePointColl@<ST0>(br_scalar f@<EAX>, br_matrix4 m@<EDX>, br_scalar *d@<EBX>)
		3631	br_scalar ThreePointColl(br_scalar* f, br_matrix4* m, br_scalar* d) {
		3632	br_matrix4 mc;
		3633	br_matrix4 mi;
		3634	br_scalar ts;
		3635	LOG_TRACE("(%p, %p, %p)", f, m, d);
		3636
		3637	BrMatrix4Copy(&mc, m);
		3638	memset(&mc.m[2][3], 0, 16);
		3639	mc.m[1][3] = 0.0f;
		3640	mc.m[0][3] = 0.0f;
		3641	mc.m[3][3] = 1.0f;
		3642	ts = DrMatrix4Inverse(&mi, &mc);
		3643	BrMatrix4TApply((br_vector4)f, (br_vector4)d, &mi);
		3644	f[3] = 0.0f;
		3645	return fabs(ts);
		3646	}
		3647
		3648	// IDA: br_scalar __usercall ThreePointCollRec@<ST0>(br_scalar f@<EAX>, br_matrix4 m@<EDX>, br_scalar d@<EBX>, br_vector3 tau@<ECX>, br_vector3 n, tCollision_info c)
		3649	br_scalar ThreePointCollRec(br_scalar* f, br_matrix4* m, br_scalar* d, br_vector3* tau, br_vector3* n, tCollision_info* c) {
		3650	int i;
		3651	int j;
		3652	br_scalar ts;
		3653	LOG_TRACE("(%p, %p, %p, %p, %p, %p)", f, m, d, tau, n, c);
		3654
		3655	ts = ThreePointColl(f, m, d);
		3656	if (f[0] >= 0.0f && f[1] >= 0.0f && f[2] >= 0.0f && ts >= 0.000001f) {
		3657	c->infinite_mass = 256;
		3658	return ts;
		3659	}
		3660	if (ts < 0.000001f) {
		3661	i = 0;
		3662	j = 1;
		3663	} else if (f[0] < 0.0f) {
		3664	i = 1;
		3665	j = 2;
		3666	} else if (f[1] < 0.0f) {
		3667	i = 0;
		3668	j = 2;
		3669	} else if (f[2] < 0.0f) {
		3670	i = 0;
		3671	j = 1;
		3672	} else {
		3673	return 0.0f;
		3674	}
		3675	m->m[0][0] = ((float)m->m)[5 i];
		3676	m->m[1][0] = m->m[j][i];
		3677	m->m[0][1] = m->m[i][j];
		3678	m->m[1][1] = ((float)m->m)[5 j];
		3679	tau[0] = tau[i];
		3680	tau[1] = tau[j];
		3681	n[0] = n[i];
		3682	n[1] = n[j];
		3683	d[0] = d[i];
		3684	d[1] = d[j];
		3685	ts = TwoPointColl(f, m, d, tau, n);
		3686	f[2] = 0.0f;
		3687	return ts;
		3688	}
		3689
		3690	// IDA: br_scalar __usercall FourPointColl@<ST0>(br_scalar f@<EAX>, br_matrix4 m@<EDX>, br_scalar d@<EBX>, br_vector3 tau@<ECX>, br_vector3 n, tCollision_info c)
		3691	br_scalar FourPointColl(br_scalar* f, br_matrix4* m, br_scalar* d, br_vector3* tau, br_vector3* n, tCollision_info* c) {
		3692	int i;
		3693	int j;
		3694	int l;
		3695	br_scalar ts;
		3696	LOG_TRACE("(%p, %p, %p, %p, %p, %p)", f, m, d, tau, n, c);
		3697
		3698	ts = ThreePointColl(f, m, d);
		3699	if (f[0] < 0.0 \|\| f[1] < 0.0 \|\| f[2] < 0.0 \|\| ts < 0.000001) {
		3700	if (ts < 0.000001) {
		3701	j = 3;
		3702	} else if (f[0] < 0.0) {
		3703	j = 0;
		3704	} else if (f[1] >= 0.0) {
		3705	j = 2;
		3706	} else {
		3707	j = 1;
		3708	}
		3709	for (i = j; i < 3; ++i) {
		3710	for (l = 0; l < 4; ++l) {
		3711	m->m[i][l] = m->m[i + 1][l];
		3712	}
		3713	d[i] = d[i + 1];
		3714	tau[i] = tau[i + 1];
		3715	n[i] = n[i + 1];
		3716	d[i] = d[i + 1];
		3717	}
		3718	for (i = j; i < 3; ++i) {
		3719	for (l = 0; l < 3; ++l) {
		3720	m->m[l][i] = m->m[l][i + 1];
		3721	}
		3722	}
		3723	return ThreePointCollRec(f, m, d, tau, n, c);
		3724	} else {
		3725	c->infinite_mass = 256;
		3726	return ts;
		3727	}
		3728	}
		3729
		3730	// IDA: void __usercall MultiFindFloorInBoxM(int pNum_rays@<EAX>, br_vector3 a@<EDX>, br_vector3 b@<EBX>, br_vector3 nor@<ECX>, br_scalar d, tCar_spec c, int mat_ref)
		3731	void MultiFindFloorInBoxM(int pNum_rays, br_vector3* a, br_vector3* b, br_vector3* nor, br_scalar* d, tCar_spec* c, int* mat_ref) {
		3732	br_vector3 aa[4];
		3733	br_vector3 bb;
		3734	int i;
		3735	LOG_TRACE("(%d, %p, %p, %p, %p, %p, %p)", pNum_rays, a, b, nor, d, c, mat_ref);
		3736
		3737	for (i = 0; i < pNum_rays; i++) {
		3738	aa[i].v[0] = a[i].v[0] / WORLD_SCALE;
		3739	aa[i].v[1] = a[i].v[1] / WORLD_SCALE;
		3740	aa[i].v[2] = a[i].v[2] / WORLD_SCALE;
		3741	d[i] = 2.0;
		3742	}
		3743	bb.v[0] = b->v[0] / WORLD_SCALE;
		3744	bb.v[1] = b->v[1] / WORLD_SCALE;
		3745	bb.v[2] = b->v[2] / WORLD_SCALE;
		3746	MultiFindFloorInBoxBU(pNum_rays, aa, &bb, nor, d, c, mat_ref);
		3747	}
		3748
		3749	// IDA: void __usercall MultiFindFloorInBoxBU(int pNum_rays@<EAX>, br_vector3 a@<EDX>, br_vector3 b@<EBX>, br_vector3 nor@<ECX>, br_scalar d, tCar_spec c, int mat_ref)
		3750	void MultiFindFloorInBoxBU(int pNum_rays, br_vector3* a, br_vector3* b, br_vector3* nor, br_scalar* d, tCar_spec* c, int* mat_ref) {
		3751	br_vector3 nor2;
		3752	int i;
		3753	int j;
		3754	int l;
		3755	br_scalar dist[4];
		3756	tFace_ref* face_ref;
		3757	LOG_TRACE("(%d, %p, %p, %p, %p, %p, %p)", pNum_rays, a, b, nor, d, c, mat_ref);
		3758
		3759	for (i = c->box_face_start; i < c->box_face_end; i++) {
		3760	face_ref = &gFace_list__car[i];
		3761	if (!gEliminate_faces \|\| (face_ref->flags & 0x80) == 0x0) {
		3762	MultiRayCheckSingleFace(pNum_rays, face_ref, a, b, &nor2, dist);
		3763	for (j = 0; j < pNum_rays; ++j) {
		3764	if (d[j] > dist[j]) {
		3765	d[j] = dist[j];
		3766	nor[j] = nor2;
		3767	l = *gFace_list__car[i].material->identifier - 47;
		3768	if (l >= 0 && l < 11) {
		3769	mat_ref[j] = l;
		3770	}
		3771	}
		3772	}
		3773	}
		3774	}
		3775	}
		3776
		3777	// IDA: void __usercall findfloor(br_vector3 a@<EAX>, br_vector3 b@<EDX>, br_vector3 nor@<EBX>, br_scalar d@<ECX>)
		3778	void findfloor(br_vector3* a, br_vector3* b, br_vector3* nor, br_scalar* d) {
		3779	br_material* material;
		3780	br_vector3 aa;
		3781	br_vector3 bb;
		3782	LOG_TRACE("(%p, %p, %p, %p)", a, b, nor, d);
		3783
		3784	BrVector3InvScale(&aa, a, WORLD_SCALE);
		3785	BrVector3InvScale(&bb, b, WORLD_SCALE);
		3786	FindFace(&aa, &bb, nor, d, &material);
		3787	}
		3788
		3789	// IDA: int __usercall FindFloorInBoxM@<EAX>(br_vector3 a@<EAX>, br_vector3 b@<EDX>, br_vector3 nor@<EBX>, br_scalar d@<ECX>, tCollision_info *c)
		3790	int FindFloorInBoxM(br_vector3* a, br_vector3* b, br_vector3* nor, br_scalar* d, tCollision_info* c) {
		3791	br_vector3 aa;
		3792	br_vector3 bb;
		3793	LOG_TRACE("(%p, %p, %p, %p, %p)", a, b, nor, d, c);
		3794
		3795	aa.v[0] = a->v[0] / WORLD_SCALE;
		3796	aa.v[1] = a->v[1] / WORLD_SCALE;
		3797	aa.v[2] = a->v[2] / WORLD_SCALE;
		3798	bb.v[0] = b->v[0] / WORLD_SCALE;
		3799	bb.v[1] = b->v[1] / WORLD_SCALE;
		3800	bb.v[2] = b->v[2] / WORLD_SCALE;
		3801	return FindFloorInBoxBU(&aa, &bb, nor, d, c);
		3802	}
		3803
		3804	// IDA: int __usercall FindFloorInBoxBU@<EAX>(br_vector3 a@<EAX>, br_vector3 b@<EDX>, br_vector3 nor@<EBX>, br_scalar d@<ECX>, tCollision_info *c)
		3805	int FindFloorInBoxBU(br_vector3* a, br_vector3* b, br_vector3* nor, br_scalar* d, tCollision_info* c) {
		3806	br_vector3 nor2;
		3807	int i;
		3808	int j;
		3809	br_scalar dist;
		3810	tFace_ref* face_ref;
		3811	LOG_TRACE("(%p, %p, %p, %p, %p)", a, b, nor, d, c);
		3812
		3813	#if defined(DETHRACE_FIX_BUGS)
		3814	j = 0; // added to keep compiler happy
		3815	#endif
		3816	*d = 2.0;
		3817	for (i = c->box_face_start; i < c->box_face_end; i++) {
		3818	face_ref = &gFace_list__car[i];
		3819	if (!gEliminate_faces \|\| SLOBYTE(face_ref->flags) >= 0) {
		3820	CheckSingleFace(face_ref, a, b, &nor2, &dist);
		3821	if (*d > dist) {
		3822	*d = dist;
		3823	j = i;
		3824	BrVector3Copy(nor, &nor2);
		3825	}
		3826	}
		3827	}
		3828	if (*d >= 2.f) {
		3829	return 0;
		3830	}
		3831	i = gFace_list__car[j].material->identifier[0] - ('0' - 1);
		3832	if (i < 0 \|\| i >= 11) {
		3833	return 0;
		3834	} else {
		3835	return i;
		3836	}
		3837	}
		3838
		3839	// IDA: int __usercall FindFloorInBoxBU2@<EAX>(br_vector3 a@<EAX>, br_vector3 b@<EDX>, br_vector3 nor@<EBX>, br_scalar d@<ECX>, tCollision_info *c)
		3840	int FindFloorInBoxBU2(br_vector3* a, br_vector3* b, br_vector3* nor, br_scalar* d, tCollision_info* c) {
		3841	br_vector3 nor2;
		3842	br_vector3 tv;
		3843	int i;
		3844	int j;
		3845	br_scalar dist;
		3846	tFace_ref* face_ref;
		3847	LOG_TRACE("(%p, %p, %p, %p, %p)", a, b, nor, d, c);
		3848
		3849	#if defined(DETHRACE_FIX_BUGS)
		3850	j = 0; // added to keep compiler happy
		3851	#endif
		3852	*d = 2.f;
		3853	for (i = c->box_face_start; i < c->box_face_end; i++) {
		3854	face_ref = &gFace_list__car[i];
		3855	if (!gEliminate_faces \|\| SLOBYTE(face_ref->flags) >= 0) {
		3856	CheckSingleFace(face_ref, a, b, &nor2, &dist);
		3857	if (*d > dist) {
		3858	if (face_ref->material->user == DOUBLESIDED_USER_FLAG \|\| (face_ref->material->flags & (BR_MATF_ALWAYS_VISIBLE \| BR_MATF_TWO_SIDED)) != 0) {
		3859	BrVector3Sub(&tv, &c->pos, a);
		3860	if (BrVector3Dot(&tv, &nor2) >= 0.f) {
		3861	*d = dist;
		3862	j = i;
		3863	BrVector3Copy(nor, &nor2);
		3864	}
		3865	} else {
		3866	*d = dist;
		3867	j = i;
		3868	BrVector3Copy(nor, &nor2);
		3869	}
		3870	}
		3871	}
		3872	face_ref++;
		3873	}
		3874	if (*d >= 2.f) {
		3875	return 0;
		3876	}
		3877	i = gFace_list__car[j].material->identifier[0] - ('0' - 1);
		3878	if (i < 0 \|\| i >= 11) {
		3879	return 0;
		3880	} else {
		3881	return i;
		3882	}
		3883	}
		3884
		3885	// IDA: int __usercall FindFloorInBoxM2@<EAX>(br_vector3 a@<EAX>, br_vector3 b@<EDX>, br_vector3 nor@<EBX>, br_scalar d@<ECX>, tCollision_info *c)
		3886	int FindFloorInBoxM2(br_vector3* a, br_vector3* b, br_vector3* nor, br_scalar* d, tCollision_info* c) {
		3887	br_vector3 aa;
		3888	br_vector3 bb;
		3889	LOG_TRACE("(%p, %p, %p, %p, %p)", a, b, nor, d, c);
		3890
		3891	aa.v[0] = a->v[0] / WORLD_SCALE;
		3892	aa.v[1] = a->v[1] / WORLD_SCALE;
		3893	aa.v[2] = a->v[2] / WORLD_SCALE;
		3894	bb.v[0] = b->v[0] / WORLD_SCALE;
		3895	bb.v[1] = b->v[1] / WORLD_SCALE;
		3896	bb.v[2] = b->v[2] / WORLD_SCALE;
		3897	return FindFloorInBoxBU2(&aa, &bb, nor, d, c);
		3898	}
		3899
		3900	// IDA: int __usercall BoxFaceIntersect@<EAX>(br_bounds pB@<EAX>, br_matrix34 pM@<EDX>, br_matrix34 pMold@<EBX>, br_vector3 pPoint_list@<ECX>, br_vector3 pNorm_list, br_scalar pDist_list, int pMax_pnts, tCollision_info *c)
		3901	int BoxFaceIntersect(br_bounds* pB, br_matrix34* pM, br_matrix34* pMold, br_vector3* pPoint_list, br_vector3* pNorm_list, br_scalar* pDist_list, int pMax_pnts, tCollision_info* c) {
		3902	br_vector3 p[3];
		3903	br_vector3 tv;
		3904	br_vector3 pos;
		3905	br_bounds bnds;
		3906	int i;
		3907	int j;
		3908	int n;
		3909	int flag;
		3910	int m;
		3911	tFace_ref* f_ref;
		3912	//br_face* face; // Pierre-Marie Baty -- unused variable
		3913	LOG_TRACE("(%p, %p, %p, %p, %p, %p, %d, %p)", pB, pM, pMold, pPoint_list, pNorm_list, pDist_list, pMax_pnts, c);
		3914
		3915	n = 0;
		3916	BrVector3InvScale(&bnds.min, &pB->min, WORLD_SCALE);
		3917	BrVector3InvScale(&bnds.max, &pB->max, WORLD_SCALE);
		3918	BrVector3InvScale(&pos, (br_vector3*)pM->m[3], WORLD_SCALE);
		3919	BrVector3InvScale((br_vector3)pMold->m[3], (br_vector3)pMold->m[3], WORLD_SCALE);
		3920
		3921	for (i = c->box_face_start; i < c->box_face_end && i < c->box_face_start + 50; i++) {
		3922	f_ref = &gFace_list__car[i];
		3923	if (SLOBYTE(f_ref->flags) >= 0 && f_ref->material->identifier[0] != '!') {
		3924	BrVector3Sub(&tv, &f_ref->v[0], &pos);
		3925	BrMatrix34TApplyV(&p[0], &tv, pM);
		3926	BrVector3Sub(&tv, &f_ref->v[1], &pos);
		3927	BrMatrix34TApplyV(&p[1], &tv, pM);
		3928	BrVector3Sub(&tv, &f_ref->v[2], &pos);
		3929	BrMatrix34TApplyV(&p[2], &tv, pM);
		3930	j = n;
		3931	if ((f_ref->flags & 1) == 0) {
		3932	n += AddEdgeCollPoints(&p[0], &p[1], &bnds, pMold, pPoint_list, pNorm_list, n, pMax_pnts, c);
		3933	}
		3934	if ((f_ref->flags & 2) == 0) {
		3935	n += AddEdgeCollPoints(&p[1], &p[2], &bnds, pMold, pPoint_list, pNorm_list, n, pMax_pnts, c);
		3936	}
		3937	if ((f_ref->flags & 4) == 0) {
		3938	n += AddEdgeCollPoints(&p[2], &p[0], &bnds, pMold, pPoint_list, pNorm_list, n, pMax_pnts, c);
		3939	}
		3940	if (n > j) {
		3941	if (gMaterial_index == 0) {
		3942	m = f_ref->material->identifier[0] - '/';
		3943	if (m > 0 && m < 11) {
		3944	gMaterial_index = m;
		3945	}
		3946	}
		3947	while (j < n) {
		3948	BrVector3Scale(&pPoint_list[j], &pPoint_list[j], WORLD_SCALE);
		3949	BrVector3Sub(&pPoint_list[j], &pPoint_list[j], &c->cmpos);
		3950	j++;
		3951	}
		3952	}
		3953	}
		3954	}
		3955	if (n) {
		3956	m = 0;
		3957	for (i = 0; i < n - 1; i++) {
		3958	flag = 1;
		3959	for (j = i + 1; j < n; j++) {
		3960	if (fabsf(pPoint_list[i].v[0] - pPoint_list[j].v[0]) <= 0.001f
		3961	&& fabsf(pPoint_list[i].v[1] - pPoint_list[j].v[1]) <= 0.001f
		3962	&& fabsf(pPoint_list[i].v[2] - pPoint_list[j].v[2]) <= 0.001f) {
		3963	flag = 0;
		3964	break;
		3965	}
		3966	}
		3967	if (flag) {
		3968	BrVector3Copy(&pPoint_list[m], &pPoint_list[i]);
		3969	m++;
		3970	}
		3971	}
		3972	BrVector3Copy(&pPoint_list[m], &pPoint_list[n - 1]);
		3973	n = m + 1;
		3974	}
		3975	BrVector3Scale((br_vector3)pMold->m[3], (br_vector3)pMold->m[3], WORLD_SCALE);
		3976	return n;
		3977	}
		3978
		3979	// IDA: int __usercall AddEdgeCollPoints@<EAX>(br_vector3 p1@<EAX>, br_vector3 p2@<EDX>, br_bounds pB@<EBX>, br_matrix34 pMold@<ECX>, br_vector3 pPoint_list, br_vector3 pNorm_list, int n, int pMax_pnts, tCollision_info *c)
		3980	int AddEdgeCollPoints(br_vector3* p1, br_vector3* p2, br_bounds* pB, br_matrix34* pMold, br_vector3* pPoint_list, br_vector3* pNorm_list, int n, int pMax_pnts, tCollision_info* c) {
		3981	br_vector3 op1;
		3982	br_vector3 op2;
		3983	br_vector3 a;
		3984	br_vector3 b;
		3985	br_vector3 edge;
		3986	br_vector3 hp1;
		3987	br_vector3 hp2;
		3988	br_vector3 hp3;
		3989	int plane1;
		3990	int plane2;
		3991	int plane3;
		3992	int d;
		3993	LOG_TRACE("(%p, %p, %p, %p, %p, %p, %d, %d, %p)", p1, p2, pB, pMold, pPoint_list, pNorm_list, n, pMax_pnts, c);
		3994
		3995	//float scale; // Pierre-Marie Baty -- unused variable
		3996
		3997	plane1 = LineBoxColl(p1, p2, pB, &hp1);
		3998	if (plane1 == 0) {
		3999	return 0;
		4000	}
		4001	if (n + 2 > pMax_pnts) {
		4002	return 0;
		4003	}
		4004	plane2 = LineBoxColl(p2, p1, pB, &hp2);
		4005	if (plane2 == 0) {
		4006	return 0;
		4007	}
		4008	if (plane1 != 8 && plane2 != 8 && (plane1 ^ plane2) == 4) {
		4009	BrVector3Add(&op1, &hp2, &hp1);
		4010	BrVector3Scale(&op1, &op1, .5f);
		4011	BrMatrix34ApplyP(&op2, &op1, pMold);
		4012	plane3 = LineBoxColl(&op2, &op1, pB, &hp3);
		4013	if (plane3 == 8) {
		4014	return 0;
		4015	}
		4016	GetBoundsEdge(&pPoint_list[n], &edge, pB, plane1, plane3, &op2, &hp1, &hp2, c->collision_flag);
		4017	GetBoundsEdge(&pPoint_list[n + 1], &edge, pB, plane2, plane3, &op2, &hp1, &hp2, c->collision_flag);
		4018	GetPlaneNormal(&pNorm_list[n], plane3);
		4019	BrVector3Copy(&pNorm_list[n + 1], &pNorm_list[n]);
		4020	return 2;
		4021	} else if (plane1 == 8 && plane2 != 8) {
		4022	BrMatrix34ApplyP(&a, p1, pMold);
		4023	plane3 = LineBoxColl(&a, p1, pB, &hp3);
		4024	if (plane3 == 8) {
		4025	return 0;
		4026	}
		4027	BrVector3Copy(&pPoint_list[n], &hp3);
		4028	GetPlaneNormal(&pNorm_list[n], plane2);
		4029	if (plane2 == plane3 \|\| (plane3 ^ plane2) == 4) {
		4030	return 1;
		4031	}
		4032	GetBoundsEdge(&pPoint_list[n + 1], &edge, pB, plane2, plane3, p1, &hp2, &hp3, c->collision_flag);
		4033	BrVector3Sub(&op1, p1, p2);
		4034	BrVector3Cross(&pNorm_list[n + 1], &edge, &op1);
		4035	BrVector3Normalise(&pNorm_list[n + 1], &pNorm_list[n + 1]);
		4036	d = (plane2 - 1) & 3;
		4037	if ((pNorm_list[n + 1].v[d] < 0.f) == (plane2 & 4) >> 2) {
		4038	BrVector3Negate(&pNorm_list[n + 1], &pNorm_list[n + 1]);
		4039	}
		4040	BrVector3Copy(&op1, &pNorm_list[n + 1]);
		4041	BrMatrix34ApplyV(&pNorm_list[n + 1], &op1, pMold);
		4042	return 2;
		4043	} else if (plane2 == 8 && plane1 != 8) {
		4044	BrMatrix34ApplyP(&b, p2, pMold);
		4045	plane3 = LineBoxColl(&b, p2, pB, &hp3);
		4046	if (plane3 == 8) {
		4047	return 0;
		4048	}
		4049	pPoint_list[n] = hp3;
		4050	GetPlaneNormal(&pNorm_list[n], plane1);
		4051	if (plane1 == plane3 \|\| (plane3 ^ plane1) == 4) {
		4052	return 1;
		4053	}
		4054	GetBoundsEdge(&pPoint_list[n + 1], &edge, pB, plane1, plane3, p2, &hp1, &hp3, c->collision_flag);
		4055	BrVector3Sub(&op1, p1, p2);
		4056	BrVector3Cross(&pNorm_list[n + 1], &edge, &op1);
		4057	BrVector3Normalise(&pNorm_list[n + 1], &pNorm_list[n + 1]);
		4058	d = (plane1 - 1) & 3;
		4059	if ((pNorm_list[n + 1].v[d] < 0.f) == (plane1 & 4) >> 2) {
		4060	BrVector3Negate(&pNorm_list[n + 1], &pNorm_list[n + 1]);
		4061	}
		4062	BrVector3Copy(&op1, &pNorm_list[n + 1]);
		4063	BrMatrix34ApplyV(&pNorm_list[n + 1], &op1, pMold);
		4064	return 2;
		4065	} else if (plane1 != 8 && plane2 != 8) {
		4066	BrVector3Add(&op1, &hp2, &hp1);
		4067	BrVector3Scale(&op1, &op1, .5f);
		4068	BrMatrix34ApplyP(&op2, &op1, pMold);
		4069	plane3 = LineBoxColl(&op2, &op1, pB, &hp3);
		4070	if (plane3 == 8 \|\| plane3 == 0) {
		4071	return 0;
		4072	}
		4073	if (plane1 == plane3 \|\| plane2 == plane3) {
		4074	GetBoundsEdge(&pPoint_list[n], &edge, pB, plane1, plane2, &op2, &hp1, &hp2, c->collision_flag);
		4075	BrVector3Sub(&op1, &hp1, &hp2);
		4076	BrVector3Cross(&op2, &edge, &op1);
		4077	BrVector3Normalise(&pNorm_list[n], &op2);
		4078	BrVector3Add(&op1, &pB->max, &pB->min);
		4079	BrVector3Scale(&op1, &op1, .5f);
		4080	BrVector3Sub(&op1, &pPoint_list[n], &op1);
		4081	if (BrVector3Dot(&pNorm_list[n], &op1) > 0.f) {
		4082	BrVector3Negate(&pNorm_list[n], &pNorm_list[n]);
		4083	}
		4084	BrVector3Copy(&op1, &pNorm_list[n]);
		4085	BrMatrix34ApplyV(&pNorm_list[n], &op1, pMold);
		4086	return 1;
		4087	} else {
		4088	GetBoundsEdge(&pPoint_list[n], &edge, pB, plane1, plane3, &hp3, &hp1, &hp2, c->collision_flag);
		4089	GetBoundsEdge(&pPoint_list[n + 1], &edge, pB, plane2, plane3, &hp3, &hp1, &hp2, c->collision_flag);
		4090	GetPlaneNormal(&pNorm_list[n], plane3);
		4091	BrVector3Copy(&pNorm_list[n + 1], &pNorm_list[n]);
		4092	return 2;
		4093	}
		4094	} else if (plane1 == 8 && plane2 == 8) {
		4095	BrMatrix34ApplyP(&op1, p1, pMold);
		4096	plane3 = LineBoxColl(&op1, p1, pB, &pPoint_list[n]);
		4097	GetPlaneNormal(&pNorm_list[n], plane3);
		4098	d = n + (plane3 != 8);
		4099	BrMatrix34ApplyP(&op1, p2, pMold);
		4100	plane3 = LineBoxColl(&op1, p2, pB, &pPoint_list[d]);
		4101	GetPlaneNormal(&pNorm_list[d], plane3);
		4102	return (n != d) + (plane3 != 8);
		4103	} else {
		4104	return 0;
		4105	}
		4106	}
		4107
		4108	// IDA: void __usercall GetPlaneNormal(br_vector3 *n@<EAX>, int p@<EDX>)
		4109	void GetPlaneNormal(br_vector3* n, int p) {
		4110	int d;
		4111	LOG_TRACE("(%p, %d)", n, p);
		4112
		4113	d = (p - 1) & 3;
		4114	BrVector3Set(n, 0.f, 0.f, 0.f);
		4115	if ((p & 4) != 0) {
		4116	n->v[d] = 1.0f;
		4117	} else {
		4118	n->v[d] = -1.0f;
		4119	}
		4120	}
		4121
		4122	// IDA: int __usercall GetBoundsEdge@<EAX>(br_vector3 pos@<EAX>, br_vector3 edge@<EDX>, br_bounds pB@<EBX>, int plane1@<ECX>, int plane2, br_vector3 a, br_vector3 b, br_vector3 c, int flag)
		4123	int GetBoundsEdge(br_vector3* pos, br_vector3* edge, br_bounds* pB, int plane1, int plane2, br_vector3* a, br_vector3* b, br_vector3* c, int flag) {
		4124	int d1;
		4125	int d2;
		4126	int d3;
		4127	br_vector3 n;
		4128	br_vector3 p;
		4129	br_vector3 q;
		4130	LOG_TRACE("(%p, %p, %p, %d, %d, %p, %p, %p, %d)", pos, edge, pB, plane1, plane2, a, b, c, flag);
		4131
		4132	d1 = (plane1 - 1) & 3;
		4133	d2 = (plane2 - 1) & 3;
		4134	BrVector3Sub(&n, b, a);
		4135	BrVector3Sub(&p, c, a);
		4136	BrVector3Cross(&q, &n, &p);
		4137	if ((plane1 & 4) != 0) {
		4138	pos->v[d1] = pB->min.v[d1];
		4139	} else {
		4140	pos->v[d1] = pB->max.v[d1];
		4141	}
		4142	if ((plane2 & 4) != 0) {
		4143	pos->v[d2] = pB->min.v[d2];
		4144	} else {
		4145	pos->v[d2] = pB->max.v[d2];
		4146	}
		4147	d3 = 3 - d1 - d2;
		4148	edge->v[d1] = 0.f;
		4149	edge->v[d2] = 0.f;
		4150	edge->v[d3] = 1.f;
		4151	if ((flag & 1) != 0) {
		4152	pos->v[d3] = (c->v[d3] + b->v[d3]) / 2.f;
		4153	} else {
		4154	pos->v[d3] = a->v[d3] - ((pos->v[d2] - a->v[d2]) * q.v[d2] + (pos->v[d1] - a->v[d1]) * q.v[d1]) / q.v[d3];
		4155	}
		4156	return 1;
		4157	}
		4158
		4159	// IDA: void __usercall oldMoveOurCar(tU32 pTime_difference@<EAX>)
		4160	void oldMoveOurCar(tU32 pTime_difference) {
		4161	//br_vector3 thrust_vector; // Pierre-Marie Baty -- unused variable
		4162	//br_matrix34 direction_matrix; // Pierre-Marie Baty -- unused variable
		4163	//br_matrix34 old_mat; // Pierre-Marie Baty -- unused variable
		4164	//double rotate_amount; // Pierre-Marie Baty -- unused variable
		4165	//br_scalar nearest_y_above; // Pierre-Marie Baty -- unused variable
		4166	//br_scalar nearest_y_below; // Pierre-Marie Baty -- unused variable
		4167	//br_scalar speed; // Pierre-Marie Baty -- unused variable
		4168	//int below_face_index; // Pierre-Marie Baty -- unused variable
		4169	//int above_face_index; // Pierre-Marie Baty -- unused variable
		4170	//br_model* below_model; // Pierre-Marie Baty -- unused variable
		4171	//br_model* above_model; // Pierre-Marie Baty -- unused variable
		4172	LOG_TRACE("(%d)", pTime_difference);
		4173	NOT_IMPLEMENTED();
		4174	}
		4175
		4176	// IDA: void __cdecl ToggleCollisionDetection()
		4177	void ToggleCollisionDetection(void) {
		4178	LOG_TRACE("()");
		4179	NOT_IMPLEMENTED();
		4180	}
		4181
		4182	// IDA: void __cdecl CancelPendingCunningStunt()
		4183	void CancelPendingCunningStunt(void) {
		4184	LOG_TRACE("()");
		4185
		4186	gQuite_wild_end = 0;
		4187	gQuite_wild_start = 0;
		4188	gOn_me_wheels_start = 0;
		4189	gWoz_upside_down_at_all = 0;
		4190	gWild_start = 0;
		4191	}
		4192
		4193	// IDA: float __cdecl frac(float pN)
		4194	float frac(float pN) {
		4195	LOG_TRACE("(%f)", pN);
		4196
		4197	return pN - (float)(int)pN;
		4198	}
		4199
		4200	// IDA: void __usercall SetAmbientPratCam(tCar_spec *pCar@<EAX>)
		4201	void SetAmbientPratCam(tCar_spec* pCar) {
		4202	br_scalar vcs_x;
		4203	br_scalar vcs_y;
		4204	br_scalar vcs_z;
		4205	br_scalar abs_vcs_x;
		4206	br_scalar abs_vcs_y;
		4207	br_scalar abs_vcs_z;
		4208	br_scalar abs_omega_x;
		4209	br_scalar abs_omega_y;
		4210	br_scalar abs_omega_z;
		4211	tU32 the_time;
		4212	static tU32 last_time_on_ground;
		4213	LOG_TRACE("(%p)", pCar);
		4214
		4215	if (gRace_finished) {
		4216	return;
		4217	}
		4218	the_time = GetTotalTime();
		4219	if (pCar->number_of_wheels_on_ground != 0) {
		4220	last_time_on_ground = the_time;
		4221	}
		4222	vcs_x = pCar->velocity_car_space.v[0];
		4223	vcs_y = pCar->velocity_car_space.v[1];
		4224	vcs_z = pCar->velocity_car_space.v[2];
		4225	abs_vcs_x = fabsf(vcs_x);
		4226	abs_vcs_y = fabsf(vcs_y);
		4227	abs_vcs_z = fabsf(vcs_z);
		4228	abs_omega_x = fabsf(pCar->omega.v[0]);
		4229	abs_omega_y = fabsf(pCar->omega.v[1]);
		4230	abs_omega_z = fabsf(pCar->omega.v[2]);
		4231
		4232	if (abs_omega_x > 4.5f \|\| abs_omega_z > 4.5f) {
		4233	ChangeAmbientPratcam(9);
		4234	} else if (abs_omega_y > 4.5f) {
		4235	ChangeAmbientPratcam(12);
		4236	} else if (abs_omega_x > 3.f \|\| abs_omega_z > 3.f) {
		4237	ChangeAmbientPratcam(8);
		4238	} else if (abs_omega_y > 3.f) {
		4239	ChangeAmbientPratcam(11);
		4240	} else if (pCar->car_master_actor->t.t.mat.m[1][1] < 0.1f) {
		4241	ChangeAmbientPratcam(44);
		4242	} else if (abs_vcs_y > abs_vcs_z && abs_vcs_y > abs_vcs_x && vcs_y < -.004f) {
		4243	ChangeAmbientPratcam(6);
		4244	} else if (the_time - last_time_on_ground > 500) {
		4245	ChangeAmbientPratcam(5);
		4246	} else if (abs_vcs_x > abs_vcs_z && vcs_x > .001f) {
		4247	ChangeAmbientPratcam(26);
		4248	} else if (abs_vcs_x > abs_vcs_z && vcs_x < -.001f) {
		4249	ChangeAmbientPratcam(25);
		4250	} else if (abs_omega_x > 1.5f \|\| abs_omega_z > 1.5f) {
		4251	ChangeAmbientPratcam(7);
		4252	} else if (abs_omega_y > 1.5f) {
		4253	ChangeAmbientPratcam(10);
		4254	} else if (abs_vcs_z > .01f) {
		4255	ChangeAmbientPratcam(3);
		4256	} else if (abs_vcs_z > .004f) {
		4257	ChangeAmbientPratcam(2);
		4258	} else if (abs_vcs_z > .0015f) {
		4259	ChangeAmbientPratcam(1);
		4260	} else {
		4261	ChangeAmbientPratcam(0);
		4262	}
		4263	}
		4264
		4265	// IDA: void __usercall MungeCarGraphics(tU32 pFrame_period@<EAX>)
		4266	void MungeCarGraphics(tU32 pFrame_period) {
		4267	int i;
		4268	//int j; // Pierre-Marie Baty -- unused variable
		4269	int update_mat;
		4270	int spinning_wildly;
		4271	int spinning_mildly;
		4272	int car_count;
		4273	int oily_count;
		4274	int car;
		4275	int cat;
		4276	//int new_special_screen; // Pierre-Marie Baty -- unused variable
		4277	tCar_spec* the_car;
		4278	br_scalar distance_from_camera;
		4279	br_scalar car_x;
		4280	br_scalar car_z;
		4281	br_scalar oily_size;
		4282	br_scalar car_radius;
		4283	br_scalar abs_omega_x;
		4284	br_scalar abs_omega_y;
		4285	br_scalar abs_omega_z;
		4286	float wheel_speed;
		4287	//float speed_mph; // Pierre-Marie Baty -- unused variable
		4288	//float rev_angle; // Pierre-Marie Baty -- unused variable
		4289	float sine_angle;
		4290	float raw_revs;
		4291	float rev_reducer;
		4292	//tSpecial_screen* the_special_screen; // Pierre-Marie Baty -- unused variable
		4293	br_material* the_material;
		4294	tU32 the_time;
		4295	br_actor* oily_actor;
		4296	LOG_TRACE("(%d)", pFrame_period);
		4297
		4298	if (gNet_mode != eNet_mode_none
		4299	&& ((gCurrent_net_game->type == eNet_game_type_foxy && gThis_net_player_index == gIt_or_fox)
		4300	\|\| (gCurrent_net_game->type == eNet_game_type_tag && gThis_net_player_index != gIt_or_fox))) {
		4301	gProgram_state.current_car.power_up_levels[1] = 0;
		4302	}
		4303	SetAmbientPratCam(&gProgram_state.current_car);
		4304	if (gProgram_state.cockpit_on) {
		4305	SwitchCarActor(&gProgram_state.current_car, gProgram_state.current_car.car_actor_count - 1);
		4306	} else {
		4307	SwitchCarActor(&gProgram_state.current_car, gProgram_state.current_car.car_actor_count - 2);
		4308	}
		4309
		4310	the_time = PDGetTotalTime();
		4311	for (cat = eVehicle_self; cat <= eVehicle_rozzer; cat++) {
		4312	if (cat == eVehicle_self) {
		4313	car_count = 1;
		4314	} else {
		4315	car_count = GetCarCount(cat);
		4316	}
		4317	for (car = 0; car < car_count; car++) {
		4318	if (cat == eVehicle_self) {
		4319	the_car = &gProgram_state.current_car;
		4320	} else {
		4321	the_car = GetCarSpec(cat, car);
		4322	}
		4323	the_car->car_master_actor->render_style = (the_car->driver == eDriver_local_human \|\| !PointOutOfSight(&the_car->pos, gYon_squared)) ? BR_RSTYLE_DEFAULT : BR_RSTYLE_NONE;
		4324	}
		4325	}
		4326	for (car = 0; car < gNum_active_cars; car++) {
		4327	the_car = gActive_car_list[car];
		4328	if (the_car->car_master_actor->render_style != BR_RSTYLE_NONE) {
		4329	car_x = the_car->car_master_actor->t.t.translate.t.v[0];
		4330	car_z = the_car->car_master_actor->t.t.translate.t.v[2];
		4331	the_car->shadow_intersection_flags = 0;
		4332	oily_count = GetOilSpillCount();
		4333	for (i = 0; i < oily_count; i++) {
		4334	GetOilSpillDetails(i, &oily_actor, &oily_size);
		4335	if (oily_actor != NULL) {
		4336	car_radius = the_car->bounds[1].max.v[2] / WORLD_SCALE * 1.5f;
		4337	if (oily_actor->t.t.translate.t.v[0] - oily_size < car_x + car_radius
		4338	&& oily_actor->t.t.translate.t.v[0] + oily_size > car_x - car_radius
		4339	&& oily_actor->t.t.translate.t.v[2] - oily_size < car_z + car_radius
		4340	&& oily_actor->t.t.translate.t.v[2] + oily_size > car_z - car_radius) {
		4341	the_car->shadow_intersection_flags \|= 1 << i;
		4342	}
		4343	}
		4344	}
		4345	if (the_car->driver < eDriver_net_human && (!gAction_replay_mode \|\| !ReplayIsPaused())) {
		4346	if (gCountdown) {
		4347	sine_angle = FRandomBetween(0.4f, 1.6f) * ((double)GetTotalTime() / ((double)gCountdown * 100.0f));
		4348	sine_angle = frac(sine_angle) * 360.0f;
		4349	sine_angle = FastScalarSin(sine_angle);
		4350	raw_revs = the_car->red_line * fabsf(sine_angle);
		4351	rev_reducer = (11.0 - (double)gCountdown) / 10.0;
		4352	the_car->revs = rev_reducer * raw_revs;
		4353	} else {
		4354	the_car->revs = (the_car->speedo_speed / 0.003
		4355	- (double)(int)(the_car->speedo_speed / 0.003))
		4356	* (double)(the_car->red_line - 800)
		4357	+ 800.0;
		4358	}
		4359	}
		4360	for (i = 0; i < the_car->number_of_steerable_wheels; i++) {
		4361	ControlBoundFunkGroove(the_car->steering_ref[i], the_car->steering_angle);
		4362	}
		4363	for (i = 0; i < COUNT_OF(the_car->rf_sus_ref); i++) {
		4364	ControlBoundFunkGroove(the_car->rf_sus_ref[i], the_car->rf_sus_position);
		4365	if ((i & 1) != 0) {
		4366	ControlBoundFunkGroove(the_car->lf_sus_ref[i], -the_car->lf_sus_position);
		4367	} else {
		4368	ControlBoundFunkGroove(the_car->lf_sus_ref[i], the_car->lf_sus_position);
		4369	}
		4370	}
		4371	for (i = 0; i < COUNT_OF(the_car->rr_sus_ref); i++) {
		4372	ControlBoundFunkGroove(the_car->rr_sus_ref[i], the_car->rr_sus_position);
		4373	if ((i & 1) != 0) {
		4374	ControlBoundFunkGroove(the_car->lr_sus_ref[i], -the_car->lr_sus_position);
		4375	} else {
		4376	ControlBoundFunkGroove(the_car->lr_sus_ref[i], the_car->lr_sus_position);
		4377	}
		4378	}
		4379	if (!gAction_replay_mode \|\| !ReplayIsPaused()) {
		4380	wheel_speed = -(the_car->speedo_speed / the_car->non_driven_wheels_circum * (float)gFrame_period);
		4381	ControlBoundFunkGroovePlus(the_car->non_driven_wheels_spin_ref_1, wheel_speed);
		4382	ControlBoundFunkGroovePlus(the_car->non_driven_wheels_spin_ref_2, wheel_speed);
		4383	ControlBoundFunkGroovePlus(the_car->non_driven_wheels_spin_ref_3, wheel_speed);
		4384	ControlBoundFunkGroovePlus(the_car->non_driven_wheels_spin_ref_4, wheel_speed);
		4385	if (the_car->driver >= eDriver_net_human) {
		4386	if (the_car->gear) {
		4387	wheel_speed = -(the_car->revs
		4388	* the_car->speed_revs_ratio
		4389	/ 6900.f
		4390	* (double)the_car->gear
		4391	/ the_car->driven_wheels_circum
		4392	* (double)gFrame_period);
		4393	} else if (the_car->keys.brake) {
		4394	wheel_speed = 0.0;
		4395	} else {
		4396	wheel_speed = -(the_car->speedo_speed / the_car->driven_wheels_circum * (double)gFrame_period);
		4397	}
		4398	}
		4399	ControlBoundFunkGroovePlus(the_car->driven_wheels_spin_ref_1, wheel_speed);
		4400	ControlBoundFunkGroovePlus(the_car->driven_wheels_spin_ref_2, wheel_speed);
		4401	ControlBoundFunkGroovePlus(the_car->driven_wheels_spin_ref_3, wheel_speed);
		4402	ControlBoundFunkGroovePlus(the_car->driven_wheels_spin_ref_4, wheel_speed);
		4403	}
		4404	if (gAction_replay_mode) {
		4405	MungeSpecialVolume((tCollision_info*)the_car);
		4406	} else if (the_car->driver == eDriver_local_human) {
		4407	abs_omega_x = (fabsf(the_car->I.v[0]) + 3.3f) / 2.0f * fabsf(the_car->omega.v[0]);
		4408	abs_omega_y = (fabsf(the_car->I.v[1]) + 3.57f) / 2.0f * fabsf(the_car->omega.v[1]);
		4409	abs_omega_z = (fabsf(the_car->I.v[2]) + 0.44f) / 2.0f * fabsf(the_car->omega.v[2]);
		4410	spinning_wildly = abs_omega_x > 26.4f \|\| abs_omega_y > 49.98f \|\| abs_omega_z > 3.52f;
		4411	if (spinning_wildly && the_time - gLast_cunning_stunt > 10000) {
		4412	if (!gWild_start
		4413	\|\| (the_car->last_special_volume != NULL && the_car->last_special_volume->gravity_multiplier != 1.f)) {
		4414	gWild_start = the_time;
		4415	} else if (the_time - gWild_start >= 500) {
		4416	DoFancyHeadup(kFancyHeadupCunningStuntBonus);
		4417	EarnCredits(gCunning_stunt_bonus[gProgram_state.skill_level]);
		4418	gLast_cunning_stunt = the_time;
		4419	gOn_me_wheels_start = 0;
		4420	gQuite_wild_end = 0;
		4421	gQuite_wild_start = 0;
		4422	gWoz_upside_down_at_all = 0;
		4423	}
		4424	} else {
		4425	gWild_start = 0;
		4426	spinning_mildly = abs_omega_x > 1.65f \|\| abs_omega_z > 0.22f;
		4427	if (the_car->number_of_wheels_on_ground <= 3) {
		4428	gOn_me_wheels_start = 0;
		4429	if (the_car->number_of_wheels_on_ground \|\| !spinning_mildly) {
		4430	gQuite_wild_end = the_time;
		4431	} else {
		4432	if (!gQuite_wild_start) {
		4433	gQuite_wild_start = the_time;
		4434	}
		4435	if (the_car->car_master_actor->t.t.mat.m[1][1] < -0.8f) {
		4436	gWoz_upside_down_at_all = the_time;
		4437	}
		4438	}
		4439	} else {
		4440	if (!gQuite_wild_end) {
		4441	gQuite_wild_end = the_time;
		4442	}
		4443	if (!gQuite_wild_start
		4444	\|\| the_time - gLast_cunning_stunt <= 10000
		4445	\|\| gQuite_wild_end - gQuite_wild_start < 2000
		4446	\|\| gWoz_upside_down_at_all < (int) gQuite_wild_start // Pierre-Marie Baty -- added type cast
		4447	\|\| gWoz_upside_down_at_all > (int) gQuite_wild_end // Pierre-Marie Baty -- added type cast
		4448	\|\| (!gOn_me_wheels_start && the_time - gQuite_wild_end >= 300)) {
		4449	gQuite_wild_end = 0;
		4450	gQuite_wild_start = 0;
		4451	gOn_me_wheels_start = 0;
		4452	gWoz_upside_down_at_all = 0;
		4453	} else if (!gOn_me_wheels_start) {
		4454	gOn_me_wheels_start = the_time;
		4455	} else if (the_time - gOn_me_wheels_start > 500
		4456	&& (the_car->last_special_volume == NULL
		4457	\|\| the_car->last_special_volume->gravity_multiplier == 1.0f)) {
		4458	DoFancyHeadup(kFancyHeadupCunningStuntBonus);
		4459	EarnCredits(gCunning_stunt_bonus[gProgram_state.skill_level]);
		4460	gLast_cunning_stunt = PDGetTotalTime();
		4461	gQuite_wild_end = 0;
		4462	gQuite_wild_start = 0;
		4463	gOn_me_wheels_start = 0;
		4464	gWoz_upside_down_at_all = 0;
		4465	}
		4466	}
		4467	}
		4468	}
		4469	if (the_car->driver != eDriver_local_human && the_car->car_model_variable) {
		4470	distance_from_camera = Vector3DistanceSquared(&the_car->car_master_actor->t.t.translate.t,
		4471	(br_vector3*)gCamera_to_world.m[3])
		4472	/ gCar_simplification_factor[gGraf_spec_index][gCar_simplification_level];
		4473	if (gNet_mode != eNet_mode_none && gNet_players[gIt_or_fox].car == the_car) {
		4474	distance_from_camera = 0.f;
		4475	}
		4476	for (i = 0; i < the_car->car_actor_count; i++) {
		4477	if (the_car->car_model_actors[i].min_distance_squared <= distance_from_camera) {
		4478	SwitchCarActor(the_car, i);
		4479	break;
		4480	}
		4481	}
		4482	}
		4483	if (the_car->screen_material != NULL) {
		4484	the_material = NULL;
		4485	if (the_car->last_special_volume != NULL && the_car->last_special_volume->screen_material != NULL) {
		4486	if (!gAction_replay_mode && the_car->last_special_volume != gDefault_water_spec_vol) {
		4487	the_material = the_car->last_special_volume->screen_material;
		4488	} else if (gProgram_state.current_depth_effect.type == eDepth_effect_fog) {
		4489	the_material = gProgram_state.standard_screen_fog;
		4490	} else if (gProgram_state.current_depth_effect.sky_texture != NULL) {
		4491	the_material = gProgram_state.standard_screen;
		4492	} else {
		4493	the_material = gProgram_state.standard_screen_dark;
		4494	}
		4495	} else {
		4496	if (gProgram_state.current_depth_effect.type == eDepth_effect_fog) {
		4497	the_material = gProgram_state.standard_screen_fog;
		4498	} else if (gProgram_state.current_depth_effect.sky_texture != NULL) {
		4499	the_material = gProgram_state.standard_screen;
		4500	} else {
		4501	the_material = gProgram_state.standard_screen_dark;
		4502	}
		4503	}
		4504	update_mat = 0;
		4505	if (the_material != NULL && the_car->screen_material_source != the_material) {
		4506	the_car->screen_material->flags = the_material->flags;
		4507	the_car->screen_material->ka = the_material->ka;
		4508	the_car->screen_material->kd = the_material->kd;
		4509	the_car->screen_material->ks = the_material->ks;
		4510	the_car->screen_material->power = the_material->power;
		4511	the_car->screen_material->index_base = the_material->index_base;
		4512	the_car->screen_material->index_range = the_material->index_range;
		4513	the_car->screen_material->colour_map = the_material->colour_map;
		4514
		4515	the_car->screen_material->map_transform = the_material->map_transform;
		4516	the_car->screen_material->index_shade = gRender_shade_table;
		4517	the_car->screen_material_source = the_material;
		4518	update_mat = 1;
		4519	}
		4520	if (the_car->screen_material->colour_map != NULL) {
		4521	the_car->screen_material->map_transform.m[2][0] = fmodf(car_x, 1.f);
		4522	the_car->screen_material->map_transform.m[2][1] = fmodf(car_z, 1.f);
		4523	if (!update_mat) {
		4524	BrMaterialUpdate(the_car->screen_material, BR_MATU_MAP_TRANSFORM);
		4525	}
		4526	}
		4527	if (update_mat) {
		4528	BrMaterialUpdate(the_car->screen_material, BR_MATU_ALL);
		4529	}
		4530	}
		4531	}
		4532	}
		4533	}
		4534
		4535	// IDA: void __cdecl ResetCarScreens()
		4536	void ResetCarScreens(void) {
		4537	int cat;
		4538	int car_count;
		4539	int i;
		4540	tCar_spec* the_car;
		4541	LOG_TRACE("()");
		4542
		4543	for (cat = eVehicle_self; cat < eVehicle_drone; cat++) {
		4544	car_count = (cat == eVehicle_self) ? 1 : GetCarCount(cat);
		4545	for (i = 0; i < car_count; i++) {
		4546	the_car = (cat == eVehicle_self) ? &gProgram_state.current_car : GetCarSpec(cat, i);
		4547	the_car->last_special_volume = NULL;
		4548	}
		4549	}
		4550	MungeCarGraphics(gFrame_period);
		4551	}
		4552
		4553	// IDA: tCar_spec* __cdecl GetRaceLeader()
		4554	tCar_spec* GetRaceLeader(void) {
18	pmbaty	4555	int i;
		4556	int score;
		4557	tCar_spec* car;
1	pmbaty	4558	LOG_TRACE("()");
18	pmbaty	4559
		4560	if ((gCurrent_net_game->type == eNet_game_type_foxy \|\| gCurrent_net_game->type == eNet_game_type_tag) && gIt_or_fox >= 0 && gIt_or_fox < gNumber_of_net_players) {
		4561	car = gNet_players[gIt_or_fox].car;
		4562	} else {
		4563	car = gNet_players[0].car;
		4564	score = gNet_players[0].last_score_index;
		4565	for (i = 1; i < gNumber_of_net_players; i++) {
		4566	if (score > gNet_players[i].last_score_index) {
		4567	score = gNet_players[i].last_score_index;
		4568	car = gNet_players[i].car;
		4569	}
		4570	}
		4571	}
		4572	return car;
1	pmbaty	4573	}
		4574
		4575	// IDA: void __cdecl AmIGettingBoredWatchingCameraSpin()
		4576	void AmIGettingBoredWatchingCameraSpin(void) {
18	pmbaty	4577	static tU32 time_of_death;
		4578	static tU32 headup_timer;
		4579	tCar_spec* car;
		4580	char s[256];
1	pmbaty	4581	LOG_TRACE("()");
		4582
18	pmbaty	4583	if (gNet_mode == eNet_mode_none
		4584	\|\| (gCurrent_net_game->type != eNet_game_type_sudden_death
		4585	&& gCurrent_net_game->type != eNet_game_type_tag
		4586	&& gCurrent_net_game->type != eNet_game_type_fight_to_death)) {
		4587	gOpponent_viewing_mode = 0;
		4588	} else if (!gRace_finished) {
		4589	time_of_death = 0;
		4590	gOpponent_viewing_mode = 0;
		4591	} else if (time_of_death == 0) {
		4592	time_of_death = GetRaceTime();
		4593	} else {
		4594	if (GetRaceTime() >= time_of_death + 10000) {
		4595	if (gOpponent_viewing_mode == 0) {
		4596	gOpponent_viewing_mode = 1;
		4597	gNet_player_to_view_index = -2;
		4598	ViewNetPlayer();
		4599	}
		4600	if (gNet_player_to_view_index >= gNumber_of_net_players) {
		4601	gNet_player_to_view_index = -2;
		4602	ViewNetPlayer();
		4603	}
		4604	if (gNet_player_to_view_index < 0 && gCar_to_view != GetRaceLeader()) {
		4605	gNet_player_to_view_index = -2;
		4606	ViewNetPlayer();
		4607	}
		4608	if ((GetRaceTime() > headup_timer + 1000 \|\| headup_timer > GetRaceTime()) && gRace_over_reason == eRace_not_over_yet) {
		4609	strcpy(s, GetMiscString(kMiscString_WATCHING));
		4610	strcat(s, " ");
		4611	if (gNet_player_to_view_index >= 0) {
		4612	strcat(s, gNet_players[gNet_player_to_view_index].player_name);
		4613	} else if (gCurrent_net_game->type == eNet_game_type_tag) {
		4614	strcat(s, GetMiscString(kMiscString_QUOTE_IT_QUOTE));
		4615	} else {
		4616	strcat(s, GetMiscString(kMiscString_RACE_LEADER));
		4617	}
		4618	headup_timer = GetRaceTime();
		4619	NewTextHeadupSlot(6, 0, 500, -4, s);
		4620	}
		4621	}
		4622	}
1	pmbaty	4623	}
		4624
		4625	// IDA: void __cdecl ViewNetPlayer()
		4626	void ViewNetPlayer(void) {
		4627	LOG_TRACE("()");
		4628
		4629	if (gOpponent_viewing_mode) {
		4630	if (gProgram_state.cockpit_on) {
		4631	ToggleCockpit();
		4632	}
		4633	gNet_player_to_view_index++;
		4634	if (gNumber_of_net_players <= gNet_player_to_view_index) {
		4635	gNet_player_to_view_index = -1;
		4636	}
		4637	if (gNet_player_to_view_index < 0) {
		4638	gCar_to_view = GetRaceLeader();
		4639	} else {
		4640	gCar_to_view = gNet_players[gNet_player_to_view_index].car;
		4641	}
		4642	gCamera_yaw = 0;
		4643	InitialiseExternalCamera();
		4644	PositionExternalCamera(gCar_to_view, 200u);
		4645	}
		4646	}
		4647
		4648	// IDA: void __cdecl ViewOpponent()
		4649	void ViewOpponent(void) {
		4650	static int n;
		4651	LOG_TRACE("()");
		4652
		4653	n++;
		4654	if (gNet_mode != eNet_mode_none) {
		4655	if (n >= gNumber_of_net_players) {
		4656	n = 0;
		4657	}
		4658	gCar_to_view = gNet_players[n].car;
		4659	NewTextHeadupSlot(4, 0, 2000, -3, gNet_players[n].player_name);
		4660	} else {
		4661	if (n >= gNum_viewable_cars) {
		4662	n = 0;
		4663	}
		4664	gCar_to_view = gViewable_car_list[n];
		4665	NewTextHeadupSlot(4, 0, 2000, -3, gViewable_car_list[n]->driver_name);
		4666	}
		4667	gCamera_yaw = 0;
		4668	InitialiseExternalCamera();
		4669	PositionExternalCamera(gCar_to_view, 200);
		4670	}
		4671
		4672	// IDA: void __cdecl ToggleCarToCarCollisions()
		4673	void ToggleCarToCarCollisions(void) {
		4674	LOG_TRACE("()");
		4675
		4676	gCar_car_collisions = !gCar_car_collisions;
		4677	if (gCar_car_collisions) {
		4678	NewTextHeadupSlot(4, 0, 3000, -4, "Car Car Collisions");
		4679	} else {
		4680	NewTextHeadupSlot(4, 0, 3000, -4, "Ghost Cars");
		4681	}
		4682	}
		4683
		4684	// IDA: void __cdecl SwapCar()
		4685	void SwapCar(void) {
		4686	LOG_TRACE("()");
		4687	}
		4688
		4689	// IDA: void __cdecl AdjustDownForce()
		4690	void AdjustDownForce(void) {
		4691	char s[100];
		4692	tCar_spec* c;
		4693	LOG_TRACE("()");
		4694
		4695	c = gCar_to_view;
		4696	c->down_force_speed += 50.f;
		4697	if (c->down_force_speed > 2000.f) {
		4698	c->down_force_speed = 50.f;
		4699	}
		4700	if (c->down_force_speed > 300.f) {
		4701	c->down_force_speed = 2000.0;
		4702	}
		4703	sprintf(s, "DownForceSpeed %f", c->down_force_speed);
		4704	NewTextHeadupSlot(4, 0, 1500, -4, s);
		4705	}
		4706
		4707	// IDA: void __cdecl FreezeMechanics()
		4708	void FreezeMechanics(void) {
		4709	LOG_TRACE("()");
		4710
		4711	gFreeze_mechanics = !gFreeze_mechanics;
		4712	if (gFreeze_mechanics) {
		4713	NewTextHeadupSlot(4, 0, 3000, -4, "Mechanics Frozen");
		4714	} else {
		4715	NewTextHeadupSlot(4, 0, 3000, -4, "Thawed Mechanics");
		4716	}
		4717	}
		4718
		4719	// IDA: void __cdecl PutOpponentsInNeutral()
		4720	void PutOpponentsInNeutral(void) {
		4721	LOG_TRACE("()");
		4722
		4723	gStop_opponents_moving = !gStop_opponents_moving;
		4724	if (gStop_opponents_moving == 0) {
		4725	NewTextHeadupSlot(4, 0, 3000, -4, "Opponents in neutral");
		4726	} else {
		4727	NewTextHeadupSlot(4, 0, 3000, -4, "Back in gear");
		4728	}
		4729	}
		4730
		4731	// IDA: void __cdecl SetPanningFieldOfView()
		4732	void SetPanningFieldOfView(void) {
		4733	br_camera* camera_ptr;
		4734	static br_angle panning_angle = 0; // Added by DethRace
		4735	LOG_TRACE("()");
		4736
		4737	camera_ptr = gCamera->type_data;
		4738	if (panning_angle == 0) {
		4739	panning_angle = BrDegreeToAngle(gCamera_angle) * 0.7f;
		4740	}
		4741	camera_ptr->field_of_view = panning_angle;
		4742	}
		4743
		4744	// IDA: void __usercall CheckDisablePlingMaterials(tCar_spec *pCar@<EAX>)
		4745	void CheckDisablePlingMaterials(tCar_spec* pCar) {
		4746	br_matrix34* mat;
		4747	br_scalar height;
		4748	int i;
		4749	LOG_TRACE("(%p)", pCar);
		4750
		4751	height = 0.f;
		4752	if (pCar->water_d == 10000.f) {
		4753	DisablePlingMaterials();
		4754	} else {
		4755	mat = &pCar->car_master_actor->t.t.mat;
		4756	for (i = 0; i < 3; i++) {
		4757	if (mat->m[i][1] > 0.f) {
		4758	height += pCar->bounds[0].max.v[i] * mat->m[i][1];
		4759	} else {
		4760	height += pCar->bounds[0].min.v[i] * mat->m[i][1];
		4761	}
		4762	}
		4763	if (mat->m[3][1] / WORLD_SCALE + height < pCar->water_d) {
		4764	DisablePlingMaterials();
		4765	}
		4766	}
		4767	}
		4768
		4769	// IDA: void __usercall PositionExternalCamera(tCar_spec *c@<EAX>, tU32 pTime@<EDX>)
		4770	void PositionExternalCamera(tCar_spec* c, tU32 pTime) {
		4771	static int old_camera_mode;
		4772	br_camera* camera_ptr;
		4773	LOG_TRACE("(%p, %d)", c, pTime);
		4774
		4775	camera_ptr = (br_camera*)gCamera->type_data;
		4776	CheckCameraHither();
		4777	AmIGettingBoredWatchingCameraSpin();
		4778	if ((!gAction_replay_mode \|\| gAction_replay_camera_mode == eAction_replay_standard) && old_camera_mode != -1) {
		4779	camera_ptr->field_of_view = BrDegreeToAngle(gCamera_angle);
		4780	old_camera_mode = -1;
		4781	}
		4782	if (!gProgram_state.cockpit_on) {
		4783	if (gOpponent_viewing_mode && gAction_replay_mode) {
		4784	c = &gProgram_state.current_car;
		4785	} else {
		4786	c = gCar_to_view;
		4787	}
		4788	if (c->car_master_actor->t.t.translate.t.v[0] <= 500.0) {
		4789	if (gAction_replay_mode && gAction_replay_camera_mode) {
		4790	if (gAction_replay_camera_mode == eAction_replay_action) {
		4791	CheckDisablePlingMaterials(c);
		4792	if (IncidentCam(c, pTime)) {
		4793	SetPanningFieldOfView();
		4794	EnablePlingMaterials();
		4795	old_camera_mode = gAction_replay_camera_mode;
		4796	return;
		4797	}
		4798	}
		4799	CheckDisablePlingMaterials(c);
		4800	SetPanningFieldOfView();
		4801	if (gAction_replay_camera_mode != old_camera_mode) {
		4802	SetUpPanningCamera(c);
		4803	old_camera_mode = gAction_replay_camera_mode;
		4804	}
		4805	PanningExternalCamera(c, pTime);
		4806	EnablePlingMaterials();
		4807	} else {
		4808	NormalPositionExternalCamera(c, pTime);
		4809	}
		4810	}
		4811	}
		4812	}
		4813
		4814	// IDA: void __usercall CameraBugFix(tCar_spec *c@<EAX>, tU32 pTime@<EDX>)
		4815	void CameraBugFix(tCar_spec* c, tU32 pTime) {
		4816	//br_matrix34 mat; // Pierre-Marie Baty -- unused variable
		4817	//br_matrix34* m2; // Pierre-Marie Baty -- unused variable
		4818	//br_vector3 tv; // Pierre-Marie Baty -- unused variable
		4819	LOG_TRACE("(%p, %d)", c, pTime);
		4820
		4821	if (gAction_replay_mode && gAction_replay_camera_mode != eAction_replay_standard && gPed_actor != NULL && !gProgram_state.cockpit_on) {
		4822	IncidentCam(c, pTime);
		4823	}
		4824	}
		4825	// IDA: int __usercall PossibleRemoveNonCarFromWorld@<EAX>(br_actor *pActor@<EAX>)
		4826	int PossibleRemoveNonCarFromWorld(br_actor* pActor) {
		4827	tU8 cx;
		4828	tU8 cz;
		4829	tTrack_spec* track_spec;
		4830	LOG_TRACE("(%p)", pActor);
		4831
		4832	track_spec = &gProgram_state.track_spec;
		4833	XZToColumnXZ(&cx, &cz, pActor->t.t.translate.t.v[0], pActor->t.t.translate.t.v[2], track_spec);
		4834	if (track_spec->columns[cz][cx] == pActor->parent) {
		4835	BrActorRemove(pActor);
		4836	return 1;
		4837	}
		4838	return 0;
		4839	}
		4840
		4841	// IDA: void __usercall PutNonCarBackInWorld(br_actor *pActor@<EAX>)
		4842	void PutNonCarBackInWorld(br_actor* pActor) {
		4843	tU8 cx;
		4844	tU8 cz;
		4845	tTrack_spec* track_spec;
		4846	LOG_TRACE("(%p)", pActor);
		4847
		4848	track_spec = &gProgram_state.track_spec;
		4849	XZToColumnXZ(&cx, &cz, pActor->t.t.translate.t.v[0], pActor->t.t.translate.t.v[2], track_spec);
		4850	BrActorAdd(track_spec->columns[cz][cx], pActor);
		4851	}
		4852
		4853	// IDA: int __usercall IncidentCam@<EAX>(tCar_spec *c@<EAX>, tU32 pTime@<EDX>)
		4854	int IncidentCam(tCar_spec* c, tU32 pTime) {
		4855	br_matrix34* m2;
		4856	br_matrix34 mat;
		4857	br_vector3 tv;
		4858	//br_vector3 tv2; // Pierre-Marie Baty -- unused variable
		4859	br_vector3 perp;
		4860	br_vector3 vertical;
		4861	br_vector3 murderer_pos;
		4862	br_scalar ts;
		4863	//tCar_spec* car2; // Pierre-Marie Baty -- unused variable
		4864	static tU32 next_incident_time = 0;
		4865	static tIncident_type type = eNo_incident;
		4866	static float severity;
		4867	static tIncident_info info;
		4868	static int random = 1;
		4869	static int count = 0;
		4870	//br_scalar temp; // Pierre-Marie Baty -- unused variable
		4871	br_vector3 old_cam_pos;
		4872	int removed;
		4873	LOG_TRACE("(%p, %d)", c, pTime);
		4874
		4875	gPed_actor = NULL;
		4876	m2 = &gCamera->t.t.mat;
		4877	if (type == eNo_incident) {
		4878	MoveCamToIncident(c, &type, &severity, &info, &next_incident_time);
		4879	}
		4880	if (type == eNo_incident) {
		4881	return 0;
		4882	}
		4883	if (type == eIncident_ped) {
		4884	BrVector3Copy(&old_cam_pos, &gCamera->t.t.translate.t);
		4885	gPed_actor = info.ped_info.ped_actor;
		4886	removed = PossibleRemoveNonCarFromWorld(info.ped_info.murderer_actor);
		4887	BrMatrix34Mul(&mat, &gPed_actor->t.t.mat, &gPed_actor->parent->t.t.mat);
		4888	info.ped_info.murderer_actor = c->car_master_actor;
		4889	if (info.ped_info.murderer_actor != NULL) {
		4890	BrVector3Copy(&murderer_pos, &c->pos);
		4891	} else if (info.ped_info.murderer_actor->model != NULL) {
		4892	BrVector3Add(&murderer_pos, &info.ped_info.murderer_actor->model->bounds.max, &info.ped_info.murderer_actor->model->bounds.min);
		4893	BrVector3Scale(&murderer_pos, &murderer_pos, 0.5f);
		4894	BrMatrix34ApplyP(&murderer_pos, &murderer_pos, &info.ped_info.murderer_actor->t.t.mat);
		4895	} else {
		4896	BrVector3Copy(&murderer_pos, &info.ped_info.murderer_actor->t.t.translate.t);
		4897	}
		4898	BrVector3Normalise(&vertical, (br_vector3*)mat.m[1]);
		4899	BrVector3Scale(&vertical, &vertical, PedHeightFromActor(info.ped_info.ped_actor) / 2.f);
		4900	BrVector3Accumulate((br_vector3*)mat.m[3], &vertical);
		4901	if (next_incident_time > GetTotalTime() \|\| !PipeSearchForwards()) {
		4902	BrVector3Sub(&tv, (br_vector3*)mat.m[3], &murderer_pos);
		4903	tv.v[1] = 0.f;
		4904	BrVector3Normalise(&tv, &tv);
		4905	BrVector3Set(&vertical, .0f, .4f, .0f);
		4906	BrVector3Cross(&perp, &tv, &vertical);
		4907	if (random) {
		4908	BrVector3Negate(&perp, &perp);
		4909	}
		4910	if (PipeSearchForwards()) {
		4911	BrVector3Accumulate(&perp, &tv);
		4912	}
		4913	BrVector3Add(&gCamera->t.t.translate.t, (br_vector3*)mat.m[3], &perp);
		4914	CollideCamera2(&murderer_pos, &gCamera->t.t.translate.t, NULL, 1);
		4915	}
		4916	PointCamera((br_vector3*)mat.m[3], m2);
		4917	BrVector3Sub(&tv, &gCamera->t.t.translate.t, &info.ped_info.murderer_actor->t.t.translate.t);
		4918	ts = BrVector3LengthSquared(&tv);
		4919	if (/abs/(GetTotalTime() - next_incident_time) > 2500) { // Pierre-Marie Baty -- useless call (already unsigned)
		4920	type = eNo_incident;
		4921	}
		4922	if ((PipeSearchForwards() ? (next_incident_time < GetTotalTime()) : (next_incident_time > GetTotalTime()))
		4923	&& (ts > 25.f \|\| CheckForWall(&info.ped_info.murderer_actor->t.t.translate.t, &gCamera->t.t.translate.t))) {
		4924	type = eNo_incident;
		4925	}
		4926	if (removed) {
		4927	PutNonCarBackInWorld(info.ped_info.murderer_actor);
		4928	}
		4929	if (Vector3DistanceSquared((br_vector3)mat.m[3], &gCamera->t.t.translate.t) < .15f .15f) {
		4930	BrVector3Copy(&gCamera->t.t.translate.t, &old_cam_pos);
		4931	gPed_actor = NULL;
		4932	return 0;
		4933	}
		4934	} else if (type == eIncident_car) {
		4935	BrVector3Sub(&tv, &info.car_info.car->pos, &c->pos);
		4936	tv.v[1] = 0.f;
		4937	BrVector3Normalise(&tv, &tv);
		4938	BrVector3Scale(&tv, &tv, 2.f);
		4939	BrVector3Add(&gCamera->t.t.translate.t, &info.car_info.car->pos, &tv);
		4940	gCamera->t.t.translate.t.v[1] += 1.f;
		4941	CollideCamera2(&info.car_info.car->pos, &gCamera->t.t.translate.t, NULL, 1);
		4942	PointCamera(&info.car_info.car->pos, m2);
		4943	BrVector3Sub(&tv, &gCamera->t.t.translate.t, &c->pos);
		4944	ts = BrVector3LengthSquared(&tv);
		4945	if (/abs/(GetTotalTime() - next_incident_time) > 2500) { // Pierre-Marie Baty -- useless call (already unsigned)
		4946	type = eNo_incident;
		4947	}
		4948	if ((PipeSearchForwards() ? (next_incident_time < GetTotalTime()) : (next_incident_time > GetTotalTime()))
		4949	&& (ts > 25.f \|\| CheckForWall(&c->pos, &gCamera->t.t.translate.t))) {
		4950	type = eNo_incident;
		4951	}
		4952	} else if (type == eIncident_wall) {
		4953	PointCamera(&c->pos, m2);
		4954	BrVector3Sub(&tv, &gCamera->t.t.translate.t, &c->pos);
		4955	ts = BrVector3LengthSquared(&tv);
		4956	if (/abs/(GetTotalTime() - next_incident_time) > 2500) { // Pierre-Marie Baty -- useless call (already unsigned)
		4957	type = eNo_incident;
		4958	}
		4959	if ((PipeSearchForwards() ? (next_incident_time < GetTotalTime()) : (next_incident_time > GetTotalTime()))
		4960	&& (ts > 25.f \|\| CheckForWall(&c->pos, &gCamera->t.t.translate.t))) {
		4961	type = eNo_incident;
		4962	}
		4963	} else {
		4964	type = eNo_incident;
		4965	}
		4966	if (type == eNo_incident) {
		4967	if (count > 1) {
		4968	SetUpPanningCamera(c);
		4969	return 0;
		4970	} else {
		4971	count++;
		4972	if (IncidentCam(c, pTime)) {
		4973	count--;
		4974	return 1;
		4975	} else {
		4976	count--;
		4977	return 0;
		4978	}
		4979	}
		4980	} else {
		4981	return 1;
		4982	}
		4983	}
		4984
		4985	// IDA: int __usercall MoveCamToIncident@<EAX>(tCar_spec c@<EAX>, tIncident_type type@<EDX>, float severity@<EBX>, tIncident_info info@<ECX>, tU32 *next_incident_time)
		4986	int MoveCamToIncident(tCar_spec* c, tIncident_type* type, float* severity, tIncident_info* info, tU32* next_incident_time) {
		4987	tU32 next_incident_time2;
		4988	tU32 t;
		4989	tIncident_type type2;
		4990	float severity2;
		4991	tIncident_info info2;
		4992	br_vector3 pos;
		4993	br_vector3 left;
		4994	br_vector3 right;
		4995	br_vector3 vertical;
		4996	br_vector3 tv;
		4997	//br_vector3 tv2; // Pierre-Marie Baty -- unused variable
		4998	br_vector3 perp;
		4999	int test;
		5000	LOG_TRACE("(%p, %p, %p, %p, %p)", c, type, severity, info, next_incident_time);
		5001
		5002	test = 0;
		5003	if (!GetNextIncident(-1, type, severity, info, next_incident_time)) {
		5004	*type = eNo_incident;
		5005	} else {
		5006	if (/abs/(*next_incident_time) > 2500) { // Pierre-Marie Baty -- useless call (already unsigned)
		5007	*type = eNo_incident;
		5008	} else {
		5009	t = *next_incident_time;
		5010	for (test = 0; GetNextIncident(/abs/(t), &type2, &severity2, &info2, &next_incident_time2) && test <= 10 && /abs/(next_incident_time2) <= 3500; test++) { // Pierre-Marie Baty -- useless calls (already unsigned)
		5011	if ((type != type2 && type2 < type) \|\| (type == type2 && severity <= severity2)) {
		5012	*info = info2;
		5013	*severity = severity2;
		5014	*type = type2;
		5015	*next_incident_time = next_incident_time2;
		5016	}
		5017	t = next_incident_time2;
		5018	}
		5019	if (/abs/(*next_incident_time) > 2500) { // Pierre-Marie Baty -- useless call (already unsigned)
		5020	*type = eNo_incident;
		5021	} else {
		5022	if (*type == eIncident_wall) {
		5023	if (*severity < 0.1f) {
		5024	*type = eNo_incident;
		5025	return 0;
		5026	}
		5027	ScanCarsPositions(c, &c->pos, 100000.f, -1, /abs/(*next_incident_time), &pos, &t); // Pierre-Marie Baty -- useless call (already unsigned)
		5028	if (t == 0) {
		5029	*type = eNo_incident;
		5030	} else {
		5031	BrVector3Sub(&tv, &pos, &c->pos);
		5032	if (BrVector3LengthSquared(&tv) > 102.91955471539592f) {
		5033	*type = eNo_incident;
		5034	} else {
		5035	BrVector3Sub(&tv, &pos, &info->wall_info.pos);
		5036	BrVector3Normalise(&tv, &tv);
		5037	BrVector3Scale(&tv, &tv, 2.f);
		5038	BrVector3Set(&vertical, 0.f, 1.f, 0.f);
		5039	BrVector3Cross(&perp, &vertical, &tv);
		5040	BrVector3Add(&left, &pos, &tv);
		5041	BrVector3Add(&left, &left, &perp);
		5042	left.v[1] += 2.f;
		5043	BrVector3Add(&right, &pos, &tv);
		5044	BrVector3Sub(&right, &right, &perp);
		5045	right.v[1] += 2.f;
		5046	CollideCamera2(&pos, &left, NULL, 1);
		5047	CollideCamera2(&pos, &right, NULL, 1);
		5048	if (Vector3DistanceSquared(&left, &pos) <= Vector3DistanceSquared(&right, &pos)) {
		5049	BrVector3Copy(&tv, &right);
		5050	} else {
		5051	BrVector3Copy(&tv, &left);
		5052	}
		5053	BrVector3Copy(&gCamera->t.t.translate.t, &tv);
		5054	}
		5055	}
		5056	}
		5057	*next_incident_time += GetTotalTime();
		5058	}
		5059	}
		5060	}
		5061	return 0;
		5062	}
		5063
		5064	// IDA: void __usercall PanningExternalCamera(tCar_spec *c@<EAX>, tU32 pTime@<EDX>)
		5065	void PanningExternalCamera(tCar_spec* c, tU32 pTime) {
		5066	br_matrix34* m2;
		5067	br_matrix34* m1;
		5068	br_vector3 tv;
		5069	br_scalar ts;
		5070	static int inside_camera_zone = 1;
		5071	LOG_TRACE("(%p, %d)", c, pTime);
		5072
		5073	BrVector3Sub(&tv, &gCamera->t.t.translate.t, &c->pos);
		5074	ts = BrVector3LengthSquared(&tv);
		5075	if (ts > 102.91955471539592f \|\| (gSwitch_time != 0 && (PipeSearchForwards() ? (gSwitch_time <= GetTotalTime()) : (gSwitch_time >= GetTotalTime())))) {
		5076	if ((inside_camera_zone \|\| ts > 205.83910943079184f) && (ts > 25.f \|\| CheckForWall(&c->pos, &gCamera->t.t.translate.t))) {
		5077	SetUpPanningCamera(c);
		5078	inside_camera_zone = 0;
		5079	}
		5080	} else {
		5081	inside_camera_zone = 1;
		5082	}
		5083	m1 = &c->car_master_actor->t.t.mat;
		5084	m2 = &gCamera->t.t.mat;
		5085	PointCameraAtCar(c, m1, m2);
		5086	}
		5087
		5088	// IDA: int __usercall CheckForWall@<EAX>(br_vector3 start@<EAX>, br_vector3 end@<EDX>)
		5089	int CheckForWall(br_vector3* start, br_vector3* end) {
		5090	br_vector3 dir;
		5091	br_material* material;
		5092	br_vector3 normal;
		5093	br_scalar d;
		5094	LOG_TRACE("(%p, %p)", start, end);
		5095
		5096	BrVector3Sub(&dir, end, start);
		5097	FindFace(start, &dir, &normal, &d, &material);
		5098	return d <= 1.f;
		5099	}
		5100
		5101	// IDA: void __usercall SetUpPanningCamera(tCar_spec *c@<EAX>)
		5102	void SetUpPanningCamera(tCar_spec* c) {
		5103	br_vector3 pos;
		5104	br_vector3 perp;
		5105	br_vector3 dir;
		5106	br_vector3 tv;
		5107	br_vector3 tv2;
		5108	br_scalar ts;
		5109	tU32 time;
		5110	tU32 t;
		5111	tU32 t2;
		5112	tU32 time_step;
		5113	//br_matrix34* m2; // Pierre-Marie Baty -- unused variable
		5114	//br_matrix34* m1; // Pierre-Marie Baty -- unused variable
		5115	br_vector3 left;
		5116	br_vector3 right;
		5117	br_vector3 car_centre;
		5118	//int left_score; // Pierre-Marie Baty -- unused variable
		5119	//int right_score; // Pierre-Marie Baty -- unused variable
		5120	LOG_TRACE("(%p)", c);
		5121
		5122	ScanCarsPositions(c, &c->pos, 411.6782f, -1, 5000, &car_centre, &t);
		5123	BrVector3Sub(&dir, &car_centre, &c->pos);
		5124	time_step = ((t > GetTotalTime()) ? t - GetTotalTime() : GetTotalTime() - t) * SRandomBetween(0.8f, 1.5f);
		5125	if (BrVector3LengthSquared(&dir) >= .01f && t != 0) {
		5126	ScanCarsPositions(c, &c->pos, 102.9196f, -1, time_step / 2, &pos, &t2);
		5127	if (t2 == 0) {
		5128	BrVector3Copy(&pos, &c->pos);
		5129	}
		5130	} else {
		5131	BrVector3Negate(&dir, (br_vector3*)&c->car_master_actor->t.t.mat.m[2]);
		5132	BrVector3Copy(&pos, &c->pos);
		5133	time_step = 0;
		5134	}
		5135	BrVector3SetFloat(&tv, 0.f, 1.f, 0.f);
		5136	BrVector3Cross(&perp, &tv, &dir);
		5137	ts = BrVector3Length(&perp);
		5138	if (ts >= .1f) {
		5139	BrVector3Scale(&perp, &perp, 2.f / ts * SRandomBetween(0.3333333f, 1.f));
		5140	BrVector3Set(&tv2, 0.f, 2 * SRandomBetween(0.3333333f, 1.f), 0.f);
		5141	BrVector3Add(&tv, &pos, &tv2);
		5142	BrVector3Add(&left, &tv, &perp);
		5143	BrVector3Sub(&right, &tv, &perp);
		5144	CollideCamera2(&pos, &left, NULL, 1);
		5145	CollideCamera2(&pos, &right, NULL, 1);
		5146	BrVector3Sub(&tv, &left, &pos);
		5147	BrVector3Sub(&tv2, &right, &pos);
		5148	if (BrVector3LengthSquared(&tv) + SRandomPosNeg(.01f) <= BrVector3LengthSquared(&tv2)) {
		5149	BrVector3Copy(&gCamera->t.t.translate.t, &right);
		5150	} else {
		5151	BrVector3Copy(&gCamera->t.t.translate.t, &left);
		5152	}
		5153	if (t != 0 && CheckForWall(&c->pos, &gCamera->t.t.translate.t)) {
		5154	ScanCarsPositions(c, &c->pos, 10000.f, -1, 1000, &tv, &time);
		5155	CollideCamera2(&tv, &gCamera->t.t.translate.t, NULL, 1);
		5156	}
		5157	if (t != 0 && CheckForWall(&car_centre, &gCamera->t.t.translate.t)) {
		5158	time_step = time_step / 16;
		5159	BrVector3Copy(&tv, &pos);
		5160	while (1) {
		5161	ScanCarsPositions(c, &tv, 10000.f, /abs/(t2 - GetTotalTime()), time_step, &tv2, &time); // Pierre-Marie Baty -- useless call (already unsigned)
		5162	t2 += (GetReplayDirection() ? 1 : -1) * time_step;
		5163	BrVector3Copy(&tv, &tv2);
		5164	if (CheckForWall(&tv, &gCamera->t.t.translate.t)) {
		5165	break;
		5166	}
		5167	if (t2 >= GetTotalTime() + 5000) {
		5168	break;
		5169	}
		5170	}
		5171	gSwitch_time = t2;
		5172	} else {
		5173	if (t == 0) {
		5174	t = 5000;
		5175	}
		5176	gSwitch_time = t;
		5177	}
		5178	}
		5179	}
		5180
		5181	// IDA: void __usercall SaveCameraPosition(int i@<EAX>)
		5182	void SaveCameraPosition(int i) {
		5183	LOG_TRACE("(%d)", i);
		5184
		5185	if (gSave_camera[i].saved != 1) {
		5186	gSave_camera[i].zoom = gCamera_zoom;
		5187	gSave_camera[i].yaw = gCamera_yaw;
		5188	gSave_camera[i].saved = 1;
		5189	}
		5190	}
		5191
		5192	// IDA: void __usercall RestoreCameraPosition(int i@<EAX>)
		5193	void RestoreCameraPosition(int i) {
		5194	LOG_TRACE("(%d)", i);
		5195
		5196	if (gSave_camera[i].saved != 0) {
		5197	gCamera_zoom = gSave_camera[i].zoom;
		5198	gCamera_yaw = gSave_camera[i].yaw;
		5199	gSave_camera[i].saved = 0;
		5200	}
		5201	}
		5202
		5203	// IDA: void __usercall NormalPositionExternalCamera(tCar_spec *c@<EAX>, tU32 pTime@<EDX>)
		5204	void NormalPositionExternalCamera(tCar_spec* c, tU32 pTime) {
		5205	br_matrix34* m2;
		5206	br_matrix34* m1;
		5207	br_scalar time;
		5208	//br_scalar ts; // Pierre-Marie Baty -- unused variable
		5209	//br_scalar ts2; // Pierre-Marie Baty -- unused variable
		5210	br_scalar dist;
		5211	br_scalar height_inc;
		5212	br_scalar l;
		5213	//br_scalar frac; // Pierre-Marie Baty -- unused variable
		5214	br_vector3 vn;
		5215	br_vector3 a;
		5216	//br_vector3 b; // Pierre-Marie Baty -- unused variable
		5217	//br_vector3 tv; // Pierre-Marie Baty -- unused variable
		5218	//br_angle yaw; // Pierre-Marie Baty -- unused variable
		5219	//br_angle theta; // Pierre-Marie Baty -- unused variable
		5220	br_scalar d;
		5221	//int face; // Pierre-Marie Baty -- unused variable
		5222	//int i; // Pierre-Marie Baty -- unused variable
		5223	int swoop;
		5224	int manual_swing;
		5225	int manual_zoom;
		5226	br_vector3 old_camera_pos;
		5227	//br_scalar scale; // Pierre-Marie Baty -- unused variable
		5228	LOG_TRACE("(%p, %d)", c, pTime);
		5229
		5230	m1 = &gCamera->t.t.mat;
		5231	m2 = &c->car_master_actor->t.t.mat;
		5232	swoop = gCountdown && c->pos.v[1] + 0.001f < gCamera_height;
		5233	manual_swing = gOld_yaw__car != gCamera_yaw \|\| swoop;
		5234	manual_zoom = (double)gOld_zoom != gCamera_zoom;
		5235	BrVector3Copy(&old_camera_pos, &gCamera->t.t.translate.t);
		5236	if (!gProgram_state.cockpit_on) {
		5237	if (swoop) {
		5238	gCamera_yaw = 0;
		5239	manual_swing = 1;
		5240	}
		5241	if (fabsf(c->speedo_speed) > 0.0006f && gCamera_mode > 0) {
		5242	gCamera_mode = -1;
		5243	gCamera_sign = BrVector3Dot((br_vector3*)m2->m[2], &c->direction) > 0.0f;
		5244	}
		5245	if (c->frame_collision_flag && gCamera_mode != -2) {
		5246	gCamera_mode = 1;
		5247	}
		5248	if (gCar_flying \|\| gCamera_reset \|\| gCamera_mode == -2) {
		5249	gCamera_mode = 0;
		5250	}
		5251	d = sqrtf(gCamera_zoom) + 4.f / WORLD_SCALE;
		5252	if (!gCamera_mode \|\| gCamera_mode == -1) {
		5253	BrVector3Copy(&vn, &c->direction);
		5254	MoveWithWheels(c, &vn, manual_swing);
		5255	vn.v[1] = 0.0f;
		5256	BrVector3Normalise(&vn, &vn);
		5257	if (gCar_flying) {
		5258	gCamera_sign = 0;
		5259	}
		5260	SwingCamera(c, m2, m1, &vn, pTime);
		5261	BrVector3Scale(&a, &vn, d);
		5262	BrVector3Sub(&gCamera->t.t.translate.t, &c->pos, &a);
		5263	BrVector3Copy(&gView_direction, &vn);
		5264	}
		5265	if (gCamera_mode == 1) {
		5266	if (manual_swing \|\| manual_zoom) {
		5267	BrVector3Copy(&old_camera_pos, &gCamera_pos_before_collide);
		5268	}
		5269	BrVector3Sub(&a, &c->pos, &old_camera_pos);
		5270	a.v[1] = 0.0f;
		5271	if (manual_swing) {
		5272	DrVector3RotateY(&a, (gCamera_sign == 0 ? 1 : -1) * (gCamera_yaw - gOld_yaw__car));
		5273	gCamera_yaw = gOld_yaw__car;
		5274	}
		5275	BrVector3Normalise(&vn, &a);
		5276	BrVector3Copy(&gView_direction, &vn);
		5277	BrVector3Scale(&vn, &vn, -d);
		5278	BrVector3Accumulate(&a, &vn);
		5279	dist = BrVector3Length(&a);
		5280	l = (float)pTime / 1000.0f * (dist + 1.0f) / dist;
		5281	if (l < 1.0f && BrVector3Dot(&a, &vn) > 0.0f) {
		5282	BrVector3Scale(&a, &a, (l - 1.f));
		5283	BrVector3Accumulate(&vn, &a);
		5284	}
		5285	BrVector3Add(&gCamera->t.t.translate.t, &c->pos, &vn);
		5286	}
		5287	height_inc = gCamera_zoom * gCamera_zoom + 0.3f;
		5288	time = pTime * 0.001f;
		5289	if (!gCamera_frozen \|\| gAction_replay_mode) {
		5290	if (pTime >= 5000) {
		5291	gCamera_height = c->pos.v[1];
		5292	} else if (swoop) {
		5293	if (time > 0.2f) {
		5294	time = 0.2f;
		5295	}
		5296	gCamera_height -= time * 5.0f;
		5297	if (gCamera_height < c->pos.v[1]) {
		5298	gCamera_height = c->pos.v[1];
		5299	}
		5300	} else {
		5301	gCamera_height = time * 5.0f * c->pos.v[1] + gCamera_height;
		5302	gCamera_height = gCamera_height / (time * 5.0f + 1.0f);
		5303	}
		5304	}
		5305	l = c->direction.v[1] * d;
		5306	if (l > 0) {
		5307	if (c->pos.v[1] - l - height_inc / 2.0f > gCamera_height) {
		5308	gCamera_height = c->pos.v[1] - l - height_inc / 2.0f;
		5309	}
		5310	}
		5311
		5312	gCamera->t.t.translate.t.v[1] = height_inc + gCamera_height;
		5313	BrVector3Copy(&gCamera_pos_before_collide, &gCamera->t.t.translate.t);
		5314	CollideCameraWithOtherCars(&c->pos, &gCamera->t.t.translate.t);
		5315	CollideCamera2(&c->pos, &gCamera->t.t.translate.t, &old_camera_pos, manual_swing \|\| manual_zoom);
		5316	if (gCamera_has_collided && swoop) {
		5317	gCamera_height = c->pos.v[1];
		5318	}
		5319	PointCameraAtCar(c, m2, m1);
		5320	}
		5321	gOld_yaw__car = gCamera_yaw;
		5322	gOld_zoom = (br_angle)gCamera_zoom;
		5323	}
		5324
		5325	// IDA: void __usercall MoveWithWheels(tCar_spec c@<EAX>, br_vector3 vn@<EDX>, int manual_swing@<EBX>)
		5326	void MoveWithWheels(tCar_spec* c, br_vector3* vn, int manual_swing) {
		5327	br_angle yaw;
		5328	br_angle theta;
		5329	static int move_with_wheels;
		5330	LOG_TRACE("(%p, %p, %d)", c, vn, manual_swing);
		5331
		5332	if (c->speed < 0.0001f && !gCamera_mode) {
		5333	if (manual_swing) {
		5334	if (gCamera_yaw <= 32760u) {
		5335	yaw = gCamera_yaw;
		5336	} else {
		5337	yaw = gCamera_yaw - 32760;
		5338	}
		5339	if (yaw <= BrDegreeToAngle(45) \|\| yaw >= BrDegreeToAngle(135)) {
		5340	if (!move_with_wheels) {
		5341	theta = BrRadianToAngle(atan2f(c->wpos[0].v[2] * c->curvature, 1.0f));
		5342	gCamera_yaw -= (-2 * gCamera_sign + 1) * theta;
		5343	move_with_wheels = 1;
		5344	}
		5345	} else if (move_with_wheels) {
		5346	theta = BrRadianToAngle(atan2(c->wpos[0].v[2] * c->curvature, 1.0));
		5347	gCamera_yaw += (-2 * gCamera_sign + 1) * theta;
		5348	move_with_wheels = 0;
		5349	}
		5350	}
		5351	if (move_with_wheels) {
		5352	if (!gCar_flying) {
		5353	theta = BrRadianToAngle(atan2(c->wpos[0].v[2] * c->curvature, 1.0));
		5354	DrVector3RotateY(vn, theta);
		5355	}
		5356	}
		5357	}
		5358	}
		5359
		5360	// IDA: void __usercall SwingCamera(tCar_spec c@<EAX>, br_matrix34 m1@<EDX>, br_matrix34 m2@<EBX>, br_vector3 vn@<ECX>, tU32 pTime)
		5361	void SwingCamera(tCar_spec* c, br_matrix34* m1, br_matrix34* m2, br_vector3* vn, tU32 pTime) {
		5362	//int i; // Pierre-Marie Baty -- unused variable
		5363	br_scalar ts;
		5364	br_angle yaw;
		5365	br_angle theta;
		5366	//br_angle alpha; // Pierre-Marie Baty -- unused variable
		5367	br_scalar sin_dtheta;
		5368	br_scalar cos_dtheta;
		5369	br_scalar sign;
		5370	int manual_swing;
		5371	static br_angle omega = 0;
		5372	static int elapsed_time = -1;
		5373	static br_vector3 old_vn;
		5374	LOG_TRACE("(%p, %p, %p, %p, %d)", c, m1, m2, vn, pTime);
		5375
		5376	manual_swing = gOld_yaw__car != gCamera_yaw;
		5377	if (elapsed_time > 500) {
		5378	elapsed_time = -1;
		5379	}
		5380	if (elapsed_time >= 0) {
		5381	elapsed_time += pTime;
		5382	}
		5383	sign = -BrVector3Dot((br_vector3*)m1->m[2], vn);
		5384	ts = BrVector3Dot(vn, &old_vn);
		5385
		5386	BrVector3Copy(&old_vn, vn);
		5387	if ((sign < 0.0f) == gCamera_sign) {
		5388	elapsed_time = -1;
		5389	} else if (ts <= 0.0 \|\| elapsed_time >= 0) {
		5390	if (elapsed_time < 0) {
		5391	elapsed_time = 0;
		5392	}
		5393	if (elapsed_time < 500 && sign <= 0.0f) {
		5394	BrVector3Negate(vn, vn);
		5395	} else {
		5396	elapsed_time = 500;
		5397	if (sign <= 0.0) {
		5398	ts = 0.0006f;
		5399	} else {
		5400	ts = 0.0001f;
		5401	}
		5402	if (fabsf(c->speedo_speed) <= ts \|\| gCar_flying) {
		5403	BrVector3Negate(vn, vn);
		5404	} else {
		5405	gCamera_sign = gCamera_sign == 0;
		5406	omega = BrDegreeToAngle(pTime * 0.03f);
		5407	if (gCamera_yaw <= 32760) {
		5408	yaw = gCamera_yaw;
		5409	} else {
		5410	yaw = gCamera_yaw - 32760;
		5411	}
		5412	if ((uint16_t)(gCamera_yaw + 16380) <= 32760) {
		5413	if (yaw > 8190 && yaw < 24570) {
		5414	gCamera_yaw = 32760 - gCamera_yaw;
		5415	}
		5416	} else {
		5417	gCamera_yaw = 32760 - gCamera_yaw;
		5418	}
		5419	}
		5420	}
		5421	} else {
		5422	gCamera_sign = gCamera_sign == 0;
		5423	if (gCamera_yaw <= 32760) {
		5424	yaw = gCamera_yaw;
		5425	} else {
		5426	yaw = gCamera_yaw - 32760;
		5427	}
		5428	if (yaw > 8190 && yaw < 24570) {
		5429	gCamera_yaw = -gCamera_yaw;
		5430	}
		5431	}
		5432	if (gCamera_sign) {
		5433	yaw = -gCamera_yaw;
		5434	} else {
		5435	yaw = gCamera_yaw;
		5436	}
		5437	if (!gCar_flying) {
		5438	DrVector3RotateY(vn, yaw);
		5439	}
		5440	sin_dtheta = 0.0;
		5441	br_scalar v16 = vn->v[0] * gView_direction.v[2] - vn->v[2] * gView_direction.v[0];
		5442	br_scalar v17 = vn->v[0] * gView_direction.v[0] + vn->v[2] * gView_direction.v[2];
		5443
		5444	br_angle v8 = BrRadianToAngle(sqrt(c->omega.v[2] * c->omega.v[2] + c->omega.v[0] * c->omega.v[0] + c->omega.v[1] * c->omega.v[1]) * pTime / 1000.0);
		5445	sin_dtheta = sin(BrAngleToRadian(v8)) + 0.1;
		5446
		5447	if (omega \|\| gCamera_reset \|\| (c->speed < 0.0001f && !manual_swing) \|\| gCamera_mode == -1 \|\| (v17 > 0.0 && !manual_swing && fabs(v16) > sin_dtheta)) {
		5448	if (!gCar_flying) {
		5449	theta = BrRadianToAngle(asin(sin_dtheta));
		5450	if (omega < theta) {
		5451	omega = theta;
		5452	}
		5453	if (!omega) {
		5454	omega = BrDegreeToAngle(pTime * 0.03); // (__int64)((double)(int)pTime * 0.03 * 182.0444444444445);
		5455	}
		5456	cos_dtheta = cos(BrAngleToRadian(omega));
		5457	if (cos_dtheta <= v17) {
		5458	omega = 0;
		5459	gCamera_mode = 0;
		5460	} else {
		5461	ts = BrAngleToRadian(omega);
		5462	if (v16 <= 0.0) {
		5463	vn->v[0] = cosf(ts) * gView_direction.v[0] - sinf(ts) * gView_direction.v[2];
		5464	vn->v[2] = sinf(ts) * gView_direction.v[0] + cosf(ts) * gView_direction.v[2];
		5465	} else {
		5466	vn->v[0] = sinf(ts) * gView_direction.v[2] + cosf(ts) * gView_direction.v[0];
		5467	vn->v[2] = cosf(ts) * gView_direction.v[2] - sinf(ts) * gView_direction.v[0];
		5468	}
		5469	omega += BrDegreeToAngle(pTime * 0.03f);
		5470	if (BrDegreeToAngle(pTime * 0.1f) < omega) {
		5471	omega = BrDegreeToAngle(pTime * 0.1f);
		5472	}
		5473	if (omega < theta) {
		5474	omega = theta;
		5475	}
		5476	}
		5477	}
		5478	}
		5479	}
		5480
		5481	// IDA: void __usercall PointCameraAtCar(tCar_spec c@<EAX>, br_matrix34 m1@<EDX>, br_matrix34 *m2@<EBX>)
		5482	void PointCameraAtCar(tCar_spec* c, br_matrix34* m1, br_matrix34* m2) {
		5483	br_vector3 vn;
		5484	br_vector3 tv;
		5485	br_vector3 tv2;
		5486	br_scalar dist;
		5487	br_scalar frac;
		5488	br_angle theta;
		5489	br_vector3* pos;
		5490	br_camera* camera_ptr;
		5491	//br_angle off_centre_angle; // Pierre-Marie Baty -- unused variable
		5492	int swoop;
		5493	//br_scalar scale; // Pierre-Marie Baty -- unused variable
		5494	LOG_TRACE("(%p, %p, %p)", c, m1, m2);
		5495
		5496	camera_ptr = gCamera->type_data;
		5497	theta = camera_ptr->field_of_view / 5;
		5498	swoop = gCountdown && c->pos.v[1] + 0.01f < gCamera_height;
		5499	if (0) {
		5500	BrVector3Sub(&tv, &gAverage_grid_position, &c->pos);
		5501	frac = (gCamera_height - c->pos.v[1]) / 10.0f;
		5502	BrVector3Scale(&tv, &tv, frac);
		5503	BrVector3Accumulate(&tv, &c->pos);
		5504	pos = &tv;
		5505	theta = (1.0f - frac) * (float)theta;
		5506	} else {
		5507	pos = &c->pos;
		5508	}
		5509	BrVector3Set(&vn, c->pos.v[0] - m2->m[3][0], 0.f, c->pos.v[2] - m2->m[3][2]);
		5510	BrVector3Normalise(&vn, &vn);
		5511	m2->m[0][0] = -vn.v[2];
		5512	m2->m[0][1] = 0.0f;
		5513	m2->m[0][2] = vn.v[0];
		5514	m2->m[1][0] = 0.0f;
		5515	m2->m[1][1] = 1.0f;
		5516	m2->m[1][2] = 0.0f;
		5517	m2->m[2][0] = -vn.v[0];
		5518	m2->m[2][1] = 0.0f;
		5519	m2->m[2][2] = -vn.v[2];
		5520	BrVector3Sub(&tv2, pos, (br_vector3*)m2->m[3]);
		5521	dist = BrVector3Dot(&tv2, &vn);
		5522	BrMatrix34PreRotateX(m2, theta - BrRadianToAngle(atan2f(m2->m[3][1] - pos->v[1], dist)));
		5523	}
		5524
		5525	// IDA: void __usercall PointCamera(br_vector3 pos@<EAX>, br_matrix34 m2@<EDX>)
		5526	void PointCamera(br_vector3* pos, br_matrix34* m2) {
		5527	br_vector3 vn;
		5528	br_scalar dist;
		5529	br_angle theta;
		5530	br_camera* camera_ptr;
		5531	LOG_TRACE("(%p, %p)", pos, m2);
		5532
		5533	camera_ptr = gCamera->type_data;
		5534	BrVector3Sub(&vn, pos, (br_vector3*)m2->m[3]);
		5535	vn.v[1] = 0.f;
		5536	BrVector3Normalise(&vn, &vn);
		5537	m2->m[0][0] = -vn.v[2];
		5538	m2->m[0][1] = 0.f;
		5539	m2->m[0][2] = vn.v[0];
		5540	m2->m[1][0] = 0.f;
		5541	m2->m[1][1] = 1.f;
		5542	m2->m[1][2] = 0.f;
		5543	m2->m[2][0] = -vn.v[0];
		5544	m2->m[2][1] = 0.f;
		5545	m2->m[2][2] = -vn.v[2];
		5546	dist = BrVector3LengthSquared(&vn);
		5547	theta = BR_ATAN2(m2->m[3][1] - pos->v[1], dist);
		5548	BrMatrix34PreRotateX(m2, camera_ptr->field_of_view / 5 - theta);
		5549	}
		5550
		5551	// IDA: int __usercall CollideCamera2@<EAX>(br_vector3 car_pos@<EAX>, br_vector3 cam_pos@<EDX>, br_vector3 *old_camera_pos@<EBX>, int manual_move@<ECX>)
		5552	int CollideCamera2(br_vector3* car_pos, br_vector3* cam_pos, br_vector3* old_camera_pos, int manual_move) {
		5553	int i;
		5554	int k;
		5555	br_vector3 a;
		5556	br_vector3 b;
		5557	//br_vector3 vn; // Pierre-Marie Baty -- unused variable
		5558	br_vector3 tv;
		5559	br_vector3 tv2;
		5560	br_scalar l;
		5561	br_scalar d;
		5562	br_scalar ts;
		5563	br_scalar ts2;
		5564	br_scalar dist;
		5565	br_scalar hither;
		5566	//br_angle theta; // Pierre-Marie Baty -- unused variable
		5567	tBounds bnds;
		5568	br_matrix34 mat;
		5569	br_material* material;
		5570	br_scalar alpha;
		5571	br_scalar sa;
		5572	br_scalar sb;
		5573	br_scalar sc;
		5574	tFace_ref face_list[3];
		5575	LOG_TRACE("(%p, %p, %p, %d)", car_pos, cam_pos, old_camera_pos, manual_move);
		5576
		5577	#ifdef DETHRACE_FIX_BUGS
		5578	ts2 = 0.f;
		5579	#endif
		5580	hither = ((br_camera)gCamera->type_data)->hither_z 3.0f;
		5581	gCamera_has_collided = 0;
		5582	for (i = 0; i < 1; i++) {
		5583	BrVector3Sub(&tv, cam_pos, car_pos);
		5584	dist = BrVector3Length(&tv);
		5585	BrVector3Scale(&tv, &tv, 1.2f);
		5586	FindFace(car_pos, &tv, &a, &ts, &material);
		5587	if (ts <= 1.0) {
		5588	gCamera_has_collided = 1;
		5589	if (BrVector3Dot(&a, &tv) > 0.0f) {
		5590	BrVector3Negate(&a, &a);
		5591	}
		5592	if (gCamera_mode == 1 && !manual_move) {
		5593	BrVector3Sub(&tv2, car_pos, old_camera_pos);
		5594	FindFace(old_camera_pos, &tv2, &b, &ts2, &material);
		5595	if (ts2 > 1.0f) {
		5596	BrVector3Copy(cam_pos, old_camera_pos);
		5597	return i;
		5598	}
		5599	}
		5600	BrVector3Scale(&tv, &tv, ts);
		5601	BrVector3Scale(&tv2, &a, hither);
		5602	BrVector3Accumulate(&tv, &tv2);
		5603	dist = BrVector3Length(&tv);
		5604	BrVector3Add(cam_pos, car_pos, &tv);
		5605	if (gMin_camera_car_distance > dist && i == 0 && a.v[1] > -0.7) {
		5606	BrVector3Scale(&tv2, &a, -a.v[1]);
		5607	tv2.v[1] += 1.f;
		5608	if (gProgram_state.current_car.car_master_actor->t.t.mat.m[1][1] < 0.f) {
		5609	BrVector3Negate(&tv2, &tv2);
		5610	}
		5611	d = BrVector3LengthSquared(&tv2);
		5612	l = BrVector3Dot(&tv2, &tv);
		5613	alpha = BrVector3LengthSquared(&tv) - gMin_camera_car_distance * gMin_camera_car_distance;
		5614	ts2 = l * l - alpha * d * 4.0;
		5615	if (ts2 >= 0.f && d != 0.f) {
		5616	sa = (sqrtf(ts2) - l) / (d * 2.0f);
		5617	BrVector3Scale(&tv2, &tv2, sa);
		5618	FindFace(cam_pos, &tv2, &a, &ts, &material);
		5619	if (ts < 1.0f) {
		5620	BrVector3Scale(&tv2, &tv2, ts);
		5621	}
		5622	BrVector3Set(&b, tv.v[0], 0.f, tv.v[2]);
		5623	BrVector3Normalise(&b, &b);
		5624	BrVector3Accumulate(&tv, &tv2);
		5625	ts2 = BrVector3Dot(&tv, &b);
		5626	if (ts2 < 0.03f && !gAction_replay_mode) {
		5627	BrVector3Normalise(&tv2, &tv2);
		5628	alpha = BrVector3Dot(&tv2, &b);
		5629	if (alpha < -0.03f) {
		5630	alpha = (0.03f - ts2) / alpha;
		5631	BrVector3Scale(&tv2, &tv2, alpha);
		5632	BrVector3Add(&tv, &tv2, &tv);
		5633	}
		5634	}
		5635	}
		5636	BrVector3Add(cam_pos, car_pos, &tv);
		5637	}
		5638	}
		5639
		5640	bnds.mat = &mat;
		5641	BrMatrix34Identity(&mat);
		5642	BrVector3Set(&tv2, hither, hither, hither);
		5643	bnds.original_bounds.min.v[0] = cam_pos->v[0] - hither;
		5644	bnds.original_bounds.min.v[1] = cam_pos->v[1] - hither;
		5645	bnds.original_bounds.min.v[2] = cam_pos->v[2] - hither;
		5646	bnds.original_bounds.max.v[0] = cam_pos->v[0] + hither;
		5647	bnds.original_bounds.max.v[1] = cam_pos->v[1] + hither;
		5648	bnds.original_bounds.max.v[2] = cam_pos->v[2] + hither;
		5649	k = FindFacesInBox(&bnds, face_list, 3);
		5650	if (k > 0) {
		5651	BrVector3Sub(&tv2, cam_pos, &face_list[0].v[0]);
		5652	sa = BrVector3Dot(&face_list[0].normal, &tv2);
		5653	// ts2 = sa;
		5654	if (sa < hither && sa >= 0.0) {
		5655	BrVector3Scale(&tv2, &face_list[0].normal, hither - sa);
		5656	BrVector3Accumulate(cam_pos, &tv2);
		5657	}
		5658	if (k > 1) {
		5659	sb = BrVector3Dot(&face_list[0].normal, &face_list[1].normal);
		5660	if (sb > 0.95f && k > 2) {
		5661	BrVector3Copy(&face_list[1].normal, &face_list[2].normal);
		5662	BrVector3Copy(&face_list[1].v[0], &face_list[2].v[0]);
		5663	sb = BrVector3Dot(&face_list[0].normal, &face_list[2].normal);
		5664	k = 2;
		5665	}
		5666	if (sb <= 0.95f) {
		5667	BrVector3Sub(&tv2, cam_pos, &face_list[1].v[0]);
		5668	sc = BrVector3Dot(&face_list[1].normal, &tv2);
		5669	if (sc < hither && sc >= 0.0) {
		5670	sc = BrVector3Dot(&face_list[0].normal, &face_list[1].normal);
		5671	BrVector3Scale(&b, &face_list[0].normal, sc);
		5672	BrVector3Sub(&face_list[1].normal, &face_list[1].normal, &b);
		5673	BrVector3Scale(&tv2, &face_list[1].normal, hither - ts2);
		5674	BrVector3Accumulate(cam_pos, &tv2);
		5675	}
		5676	}
		5677	}
		5678	}
		5679	i += k;
		5680	}
		5681	return i;
		5682	}
		5683
		5684	// IDA: int __usercall BoundsTest@<EAX>(br_bounds bnds@<EAX>, br_vector3 p@<EDX>)
		5685	int BoundsTest(br_bounds* bnds, br_vector3* p) {
18	pmbaty	5686	int j;
1	pmbaty	5687	LOG_TRACE("(%p, %p)", bnds, p);
18	pmbaty	5688
		5689	for (j = 0; j < 3; j++) {
		5690	if (p->v[j] > bnds->max.v[j] \|\| p->v[j] < bnds->min.v[j]) {
		5691	return 0;
		5692	}
		5693	}
		5694	return 1;
1	pmbaty	5695	}
		5696
		5697	// IDA: int __usercall CollideCameraWithOtherCars@<EAX>(br_vector3 car_pos@<EAX>, br_vector3 cam_pos@<EDX>)
		5698	int CollideCameraWithOtherCars(br_vector3* car_pos, br_vector3* cam_pos) {
18	pmbaty	5699	int i;
		5700	int plane;
		5701	br_scalar ts;
		5702	tCar_spec* c;
		5703	br_vector3 tv;
		5704	br_vector3 pos_car_space;
		5705	br_vector3 dir;
		5706	br_vector3 p;
		5707	br_vector3 n;
		5708	br_bounds bnds;
1	pmbaty	5709	LOG_TRACE("(%p, %p)", car_pos, cam_pos);
		5710
18	pmbaty	5711	for (i = 0; i < gNum_cars_and_non_cars; i++) {
		5712	if (BoundsTest(&gActive_car_list[i]->bounds_world_space, cam_pos)) {
		5713	c = gActive_car_list[i];
		5714	BrVector3Sub(&tv, cam_pos, &c->car_master_actor->t.t.translate.t);
		5715	BrMatrix34TApplyV(&p, &tv, &c->car_master_actor->t.t.mat);
		5716	if (BoundsTest(&c->bounds[0], &p)) {
		5717	BrVector3Sub(&tv, cam_pos, car_pos);
		5718	BrMatrix34TApplyV(&dir, &tv, &c->car_master_actor->t.t.mat);
		5719	BrVector3Add(&pos_car_space, &p, &dir);
		5720	BrVector3SetFloat(&tv, 0.03f, 0.03f, 0.03f);
		5721	BrVector3Sub(&bnds.min, &c->bounds[0].min, &tv);
		5722	BrVector3Add(&bnds.max, &c->bounds[0].max, &tv);
		5723	plane = LineBoxColl(&pos_car_space, &p, &bnds, &tv);
		5724	BrMatrix34ApplyP(cam_pos, &tv, &c->car_master_actor->t.t.mat);
		5725	return 1;
		5726	}
		5727	}
		5728	}
1	pmbaty	5729	return 0;
		5730	}
		5731
		5732	// IDA: void __cdecl InitialiseExternalCamera()
		5733	void InitialiseExternalCamera(void) {
		5734	br_scalar ts;
		5735	tCar_spec* c;
		5736	//br_vector3 r; // Pierre-Marie Baty -- unused variable
		5737	br_angle yaw;
		5738	LOG_TRACE("()");
		5739
		5740	c = gCar_to_view;
		5741	if (!gProgram_state.racing) {
		5742	c = &gProgram_state.current_car;
		5743	}
		5744	gCamera_height = c->pos.v[1];
		5745	BrVector3Set(&gView_direction, c->direction.v[0], 0.0f, c->direction.v[2]);
		5746	BrVector3Normalise(&gView_direction, &gView_direction);
		5747	ts = -BrVector3Dot(&gView_direction, (br_vector3*)c->car_master_actor->t.t.mat.m[2]);
		5748	gCamera_sign = ts < 0;
		5749	gCamera_mode = 0;
		5750	if (gCamera_sign) {
		5751	yaw = -gCamera_yaw;
		5752	} else {
		5753	yaw = gCamera_yaw;
		5754	}
		5755	DrVector3RotateY(&gView_direction, yaw);
		5756	gMin_camera_car_distance = 0.6f;
		5757	gCamera_frozen = 0;
		5758	gCamera_mode = -2;
		5759	if (gCountdown && (gNet_mode == eNet_mode_none \|\| gCurrent_net_game->options.grid_start) && gCountdown > 4) {
		5760	gCamera_height = gCamera_height + 10.0f;
		5761	}
		5762	}
		5763
		5764	// IDA: void __cdecl FreezeCamera()
		5765	void FreezeCamera(void) {
		5766	LOG_TRACE("()");
		5767
		5768	gCamera_frozen = 1;
		5769	}
		5770
		5771	// IDA: void __usercall FlyCar(tCar_spec *c@<EAX>, br_scalar dt)
		5772	void FlyCar(tCar_spec* c, br_scalar dt) {
		5773	int accflag;
		5774	int turnflag;
		5775	br_vector3 step;
		5776	br_matrix34* mat;
		5777	br_angle theta;
		5778	static br_scalar vel = 0.f;
		5779	tFace_ref faces[20];
		5780	tBounds bnds;
		5781	int i; // Added by DethRace
		5782	br_scalar tmp_scalar1; // Added by DethRace
		5783	br_scalar tmp_scalar2; // Added by DethRace
		5784	br_vector3 tmp1; // Added by DethRace
		5785	br_vector3 tmp2; // Added by DethRace
		5786	br_vector3 tmp3; // Added by DethRace
		5787	LOG_TRACE("(%p, %f)", c, dt);
		5788
		5789	accflag = 0;
		5790	turnflag = 0;
		5791	mat = &c->car_master_actor->t.t.mat;
		5792	bnds.mat = mat;
		5793	BrVector3InvScale(&bnds.original_bounds.min, &c->bounds[1].min, WORLD_SCALE);
		5794	BrVector3InvScale(&bnds.original_bounds.max, &c->bounds[1].max, WORLD_SCALE);
		5795	BrVector3InvScale((br_vector3)bnds.mat->m[3], (br_vector3)bnds.mat->m[3], WORLD_SCALE);
		5796	FindFacesInBox(&bnds, faces, COUNT_OF(faces));
		5797	BrVector3Scale((br_vector3)bnds.mat->m[3], (br_vector3)bnds.mat->m[3], WORLD_SCALE);
		5798	if (c->keys.acc \|\| c->joystick.acc > 0) {
		5799	vel += 10.f * dt;
		5800	accflag = 1;
		5801	}
		5802	if (c->keys.dec \|\| c->joystick.dec > 0) {
		5803	vel -= 10.f * dt;
		5804	accflag = 1;
		5805	}
		5806	if (!accflag) {
		5807	if (vel >= 20.f * dt \|\| vel <= -20.f * dt) {
		5808	vel -= 20.f * vel / fabsf(vel) * dt;
		5809	} else {
		5810	vel = 0.f;
		5811	}
		5812	}
		5813	BrVector3Scale(&step, &c->v, dt);
		5814	BrVector3Accumulate((br_vector3*)mat->m[3], &step);
		5815	BrVector3Scale(&step, (br_vector3*)mat->m[1], dt);
		5816	if (c->keys.left \|\| c->joystick.left > 0) {
		5817	BrVector3Accumulate(&c->omega, &step);
		5818	turnflag = 1;
		5819	}
		5820	if (c->keys.right \|\| c->joystick.right > 0) {
		5821	BrVector3Sub(&c->omega, &c->omega, &step);
		5822	turnflag = 1;
		5823	}
		5824	if (!turnflag) {
		5825	BrVector3SetFloat(&c->omega, 0.f, 0.f, 0.f);
		5826	}
		5827	theta = BrRadianToAngle(c->omega.v[1] * dt);
		5828	DrVector3RotateY(&c->v, theta);
		5829	BrMatrix34PreRotateY(mat, theta);
		5830	if (c->keys.up) {
		5831	BrMatrix34PreRotateX(mat, BrDegreeToAngle(5));
		5832	}
		5833	if (c->keys.down) {
		5834	BrMatrix34PreRotateX(mat, BrDegreeToAngle(360 - 5));
		5835	}
		5836	BrVector3Scale(&c->v, (br_vector3*)mat->m[2], -vel);
		5837	BrVector3Scale(&step, &c->v, dt);
		5838	BrVector3Accumulate((br_vector3*)&mat->m[3], &step);
		5839	if (c->keys.holdw) {
		5840	BrVector3Copy(&step, (br_vector3*)mat->m[3]);
		5841	BrMatrix34RotateY(mat, BrDegreeToAngle(90) - BrRadianToAngle(atan2f(mat->m[2][2], mat->m[2][0])));
		5842	BrVector3Copy((br_vector3*)mat->m[3], &step);
		5843	BrVector3SetFloat(&step, 0.f, -100.f, 0.f);
		5844	BrVector3Copy(&tmp1, (br_vector3*)&mat->m[3]);
		5845	findfloor(&tmp1, &step, &tmp2, &tmp_scalar1);
		5846	tmp1.v[1] += 100.f;
		5847	findfloor(&tmp1, &step, &tmp3, &tmp_scalar2);
		5848	if (tmp_scalar2 <= 1.f) {
		5849	BrVector3SetFloat(&step, 0.f, -5.01f, 0.f);
		5850	tmp1.v[1] -= 20 * 5.f;
		5851	for (i = 0; i < 20; i++) {
		5852	tmp1.v[1] += 5.f;
		5853	findfloor(&tmp1, &step, &tmp3, &tmp_scalar2);
		5854	if (tmp_scalar2 <= 1.f) {
		5855	break;
		5856	}
		5857	}
		5858	tmp_scalar2 = -tmp_scalar2 / 20.f + (i + 1) * 0.05f;
		5859	}
		5860	if (tmp_scalar2 < tmp_scalar1) {
		5861	tmp_scalar1 = -tmp_scalar2;
		5862	BrVector3Copy(&tmp2, &tmp3);
		5863	}
		5864	if (tmp_scalar1 <= 1.f) {
		5865	mat->m[3][1] -= tmp_scalar1 * 100.f;
		5866	BrMatrix34PreRotateX(mat, BrRadianToAngle(asinf(BrVector3Dot((br_vector3*)mat->m[2], &tmp2))));
		5867	BrMatrix34PreRotateZ(mat, -BrRadianToAngle(asinf(BrVector3Dot((br_vector3*)mat->m[0], &tmp2))));
		5868	}
		5869	}
		5870	BrVector3Negate((br_vector3)&c->direction, (br_vector3)mat->m[2]);
		5871	BrMatrix34Copy(&c->oldmat, mat);
		5872	BrMatrix34ApplyP(&c->pos, &c->cmpos, mat);
		5873	BrVector3InvScale(&c->pos, &c->pos, WORLD_SCALE);
		5874	BrVector3InvScale((br_vector3)bnds.mat->m[3], (br_vector3)bnds.mat->m[3], WORLD_SCALE);
		5875	GetNewBoundingBox(&c->bounds_world_space, c->bounds, bnds.mat);
		5876	BrVector3Scale((br_vector3)bnds.mat->m[3], (br_vector3)bnds.mat->m[3], WORLD_SCALE);
		5877	}
		5878
		5879	// IDA: void __usercall DrVector3RotateY(br_vector3 *v@<EAX>, br_angle t@<EDX>)
		5880	void DrVector3RotateY(br_vector3* v, br_angle t) {
		5881	br_scalar c;
		5882	br_scalar s;
		5883	br_scalar ts;
		5884	LOG_TRACE("(%p, %d)", v, t);
		5885
		5886	c = cos(BrAngleToRadian(t));
		5887	s = sin(BrAngleToRadian(t));
		5888	ts = v->v[0] * c + v->v[2] * s;
		5889	v->v[2] = v->v[2] * c - v->v[0] * s;
		5890	v->v[0] = ts;
		5891	}
		5892
		5893	// IDA: void __cdecl CrashCarsTogether(br_scalar dt)
		5894	void CrashCarsTogether(br_scalar dt) {
		5895	int pass;
		5896	int k;
		5897	int i;
		5898	tCollison_data collide_list[32];
		5899	LOG_TRACE("(%f)", dt);
		5900
		5901	for (i = 0; i < gNum_cars_and_non_cars; i++) {
		5902	collide_list[i].car = NULL;
		5903	collide_list[i].ref = gNum_cars_and_non_cars - 1;
		5904	gActive_car_list[i]->infinite_mass = 0;
		5905	}
		5906	for (pass = 0; pass < 5; pass++) {
		5907	k = CrashCarsTogetherSinglePass(dt, pass, collide_list);
		5908	if (k <= 0) {
		5909	break;
		5910	}
		5911	}
		5912	if (k > 0) {
		5913	for (i = 0; i < gNum_cars_and_non_cars; i++) {
		5914	BringCarToAGrindingHalt((tCollision_info*)gActive_car_list[i]);
		5915	}
		5916	}
		5917	}
		5918
		5919	// IDA: int __cdecl CrashCarsTogetherSinglePass(br_scalar dt, int pPass, tCollison_data *collide_list)
		5920	int CrashCarsTogetherSinglePass(br_scalar dt, int pPass, tCollison_data* collide_list) {
		5921	int i;
		5922	int j;
		5923	//int l; // Pierre-Marie Baty -- unused variable
		5924	//int m; // Pierre-Marie Baty -- unused variable
		5925	//int n; // Pierre-Marie Baty -- unused variable
		5926	int collided;
		5927	int k;
		5928	//int ref1; // Pierre-Marie Baty -- unused variable
		5929	//int ref2; // Pierre-Marie Baty -- unused variable
		5930	int c1im;
		5931	int c2im;
		5932	tCollision_info* car_1;
		5933	tCollision_info* car_2;
		5934	tCollision_info* car_3;
		5935	tCollision_info* car_in_middle;
		5936	tCollision_info* car_on_wall;
		5937	LOG_TRACE("(%f, %d, %p)", dt, pPass, collide_list);
		5938
		5939	collided = 0;
		5940	for (i = 0; i < gNum_cars_and_non_cars - 1; i++) {
		5941	car_1 = (tCollision_info*)gActive_car_list[i];
		5942	for (j = i + 1; j < gNum_cars_and_non_cars; j++) {
		5943	car_2 = (tCollision_info*)gActive_car_list[j];
		5944	if (collide_list[i].ref > 0 \|\| collide_list[j].ref > 0) {
		5945	collide_list[i].ref--;
		5946	collide_list[j].ref--;
		5947	if (SimpleCarCarCollisionTest(car_1, car_2)) {
		5948	if (car_1->infinite_mass == -1 && car_2->infinite_mass > 0) {
		5949	if (CollideTwoCars(car_1, car_2, -1)) {
		5950	if (car_2->infinite_mass >= 256 \|\| pPass >= 4) {
		5951	BringCarToAGrindingHalt(car_2);
		5952	} else {
		5953	car_2->infinite_mass = 0;
		5954	k = CollideTwoCarsWithWalls(car_1, car_2, dt);
		5955	car_2->infinite_mass = 256;
		5956	if (k < 0) {
		5957	BringCarToAGrindingHalt(car_2);
		5958	}
		5959	}
		5960	collide_list[j].ref = gNum_cars_and_non_cars - 2;
		5961	collide_list[j].car = car_1;
		5962	collided++;
		5963	}
		5964	} else if (car_2->infinite_mass == -1 && car_1->infinite_mass > 0) {
		5965	if (CollideTwoCars(car_1, car_2, -1)) {
		5966	if (car_1->infinite_mass >= 256 \|\| pPass >= 4) {
		5967	BringCarToAGrindingHalt(car_1);
		5968	} else {
		5969	car_1->infinite_mass = 0;
		5970	k = CollideTwoCarsWithWalls(car_1, car_2, dt);
		5971	car_1->infinite_mass = 256;
		5972	if (k < 0) {
		5973	BringCarToAGrindingHalt(car_1);
		5974	}
		5975	}
		5976	collide_list[i].ref = gNum_cars_and_non_cars - 2;
		5977	collide_list[i].car = car_2;
		5978	collided++;
		5979	}
		5980	} else if (collide_list[i].car \|\| collide_list[j].car) {
		5981	if ((collide_list[j].car == NULL) == (collide_list[i].car == NULL)) {
		5982	if (collide_list[j].car != collide_list[i].car \|\| (car_1->infinite_mass && car_2->infinite_mass)) {
		5983	if (collide_list[i].car && collide_list[j].car) {
		5984	if (car_1->infinite_mass && car_2->infinite_mass) {
		5985	if ((car_1->infinite_mass != -1 \|\| car_2->infinite_mass != -1) && CollideTwoCars(car_1, car_2, -1)) {
		5986	collide_list[i].ref = gNum_cars_and_non_cars - 2;
		5987	collide_list[j].ref = gNum_cars_and_non_cars - 2;
		5988	if (car_1->infinite_mass && car_2->infinite_mass) {
		5989	BringCarToAGrindingHalt(car_1);
		5990	BringCarToAGrindingHalt(car_2);
		5991	} else {
		5992	k = CollideTwoCarsWithWalls(car_1, car_2, dt);
		5993	if (k >= 0) {
		5994	if (k) {
		5995	if (car_1->infinite_mass >= 0) {
		5996	car_1->infinite_mass++;
		5997	}
		5998	if (car_2->infinite_mass >= 0) {
		5999	car_2->infinite_mass++;
		6000	}
		6001	collided++;
		6002	}
		6003	} else {
		6004	BringCarToAGrindingHalt(car_1);
		6005	BringCarToAGrindingHalt(car_2);
		6006	collided++;
		6007	}
		6008	}
		6009	collided++;
		6010	}
		6011	} else {
		6012	c1im = car_1->infinite_mass;
		6013	c2im = car_2->infinite_mass;
		6014	k = CollideTwoCarsWithWalls(car_1, car_2, dt);
		6015	if (k > -1) {
		6016	if (k) {
		6017	if (!c2im) {
		6018	collide_list[j].ref = gNum_cars_and_non_cars - 2;
		6019	}
		6020	if (!c1im) {
		6021	collide_list[i].ref = gNum_cars_and_non_cars - 2;
		6022	}
		6023	collided++;
		6024	if (car_1->infinite_mass >= 0) {
		6025	car_1->infinite_mass++;
		6026	}
		6027	if (car_2->infinite_mass >= 0) {
		6028	car_2->infinite_mass++;
		6029	}
		6030	}
		6031	} else {
		6032	BringCarToAGrindingHalt(car_1);
		6033	BringCarToAGrindingHalt(car_2);
		6034	if (c1im >= 0) {
		6035	collide_list[i].ref = gNum_cars_and_non_cars - 2;
		6036	}
		6037	if (c2im >= 0) {
		6038	collide_list[j].ref = gNum_cars_and_non_cars - 2;
		6039	}
		6040	collided++;
		6041	}
		6042	}
		6043	}
		6044	} else {
		6045	k = CollideTwoCarsWithWalls(car_1, car_2, dt);
		6046	if (k) {
		6047	collide_list[i].ref = gNum_cars_and_non_cars - 2;
		6048	collide_list[j].ref = gNum_cars_and_non_cars - 2;
		6049	if (k == -1) {
		6050	BringCarToAGrindingHalt(car_1);
		6051	BringCarToAGrindingHalt(car_2);
		6052	}
		6053	collided++;
		6054	if (car_1->infinite_mass >= 0) {
		6055	car_1->infinite_mass++;
		6056	}
		6057	if (car_2->infinite_mass >= 0) {
		6058	car_2->infinite_mass++;
		6059	}
		6060	}
		6061	}
		6062	} else {
		6063	c1im = car_1->infinite_mass;
		6064	c2im = car_2->infinite_mass;
		6065	k = CollideTwoCarsWithWalls(car_1, car_2, dt);
		6066	if (k == -1) {
		6067	if (collide_list[i].car) {
		6068	car_3 = collide_list[i].car;
		6069	} else {
		6070	car_3 = collide_list[j].car;
		6071	}
		6072	if (collide_list[i].car) {
		6073	car_in_middle = car_1;
		6074	} else {
		6075	car_in_middle = car_2;
		6076	}
		6077	if (car_3->infinite_mass > 1 \|\| car_3->infinite_mass == -1 \|\| (tU8)(car_in_middle->infinite_mass) > 1 \|\| car_in_middle->infinite_mass == -1) {
		6078	BringCarToAGrindingHalt(car_1);
		6079	BringCarToAGrindingHalt(car_2);
		6080	collide_list[i].ref = gNum_cars_and_non_cars - 2;
		6081	collide_list[j].ref = gNum_cars_and_non_cars - 2;
		6082	} else {
		6083	if (collide_list[i].car) {
		6084	car_on_wall = car_2;
		6085	} else {
		6086	car_on_wall = car_1;
		6087	}
		6088	car_in_middle->infinite_mass = 0;
		6089	car_3->infinite_mass = 0;
		6090	k = CollideTwoCarsWithWalls(car_on_wall, car_in_middle, dt);
		6091	car_in_middle->infinite_mass = 2;
		6092	car_on_wall->infinite_mass++;
		6093	collide_list[i].ref = gNum_cars_and_non_cars - 2;
		6094	collide_list[j].ref = gNum_cars_and_non_cars - 2;
		6095	if (k < 0) {
		6096	BringCarToAGrindingHalt(car_1);
		6097	BringCarToAGrindingHalt(car_2);
		6098	}
		6099	}
		6100	collide_list[i].car = car_2;
		6101	collide_list[j].car = car_1;
		6102	collided++;
		6103	} else if (k) {
		6104	collide_list[i].car = car_2;
		6105	collide_list[j].car = car_1;
		6106	if (!c2im) {
		6107	collide_list[j].ref = gNum_cars_and_non_cars - 2;
		6108	}
		6109	if (!c1im) {
		6110	collide_list[i].ref = gNum_cars_and_non_cars - 2;
		6111	}
		6112	collided++;
		6113	if (car_1->infinite_mass >= 0) {
		6114	car_1->infinite_mass++;
		6115	}
		6116	if (car_2->infinite_mass >= 0) {
		6117	car_2->infinite_mass++;
		6118	}
		6119	}
		6120	}
		6121	} else {
		6122	k = CollideTwoCarsWithWalls(car_1, car_2, dt);
		6123	if (k) {
		6124	collide_list[i].car = car_2;
		6125	collide_list[j].car = car_1;
		6126	collide_list[i].ref = gNum_cars_and_non_cars - 2;
		6127	collide_list[j].ref = gNum_cars_and_non_cars - 2;
		6128	if (k == -1) {
		6129	BringCarToAGrindingHalt(car_1);
		6130	BringCarToAGrindingHalt(car_2);
		6131	collide_list[i].ref = gNum_cars_and_non_cars - 2;
		6132	collide_list[j].ref = gNum_cars_and_non_cars - 2;
		6133	}
		6134	collided++;
		6135	}
		6136	}
		6137	CrashEarnings((tCar_spec)car_1, (tCar_spec)car_2);
		6138	}
		6139	}
		6140	}
		6141	}
		6142	return collided;
		6143	}
		6144
		6145	// IDA: void __usercall BringCarToAGrindingHalt(tCollision_info *car@<EAX>)
		6146	void BringCarToAGrindingHalt(tCollision_info* car) {
		6147	LOG_TRACE("(%p)", car);
		6148
		6149	BrVector3SetFloat(&car->v, 0.0f, 0.0f, 0.0f);
		6150	BrVector3SetFloat(&car->omega, 0.0f, 0.0f, 0.0f);
		6151	BrVector3SetFloat(&car->oldomega, 0.0f, 0.0f, 0.0f);
		6152	BrMatrix34Copy(&car->car_master_actor->t.t.mat, &car->oldmat);
		6153	car->infinite_mass = -1;
		6154	}
		6155
		6156	// IDA: int __usercall BoundsOverlapTest@<EAX>(br_bounds b1@<EAX>, br_bounds b2@<EDX>)
		6157	int BoundsOverlapTest_car(br_bounds* b1, br_bounds* b2) {
		6158	LOG_TRACE("(%p, %p)", b1, b2);
		6159
		6160	return b2->max.v[0] >= b1->min.v[0]
		6161	&& b1->max.v[0] >= b2->min.v[0]
		6162	&& b2->max.v[1] >= b1->min.v[1]
		6163	&& b1->max.v[1] >= b2->min.v[1]
		6164	&& b2->max.v[2] >= b1->min.v[2]
		6165	&& b1->max.v[2] >= b2->min.v[2];
		6166	}
		6167
		6168	// IDA: int __usercall SimpleCarCarCollisionTest@<EAX>(tCollision_info car1@<EAX>, tCollision_info car2@<EDX>)
		6169	int SimpleCarCarCollisionTest(tCollision_info* car1, tCollision_info* car2) {
		6170	LOG_TRACE("(%p, %p)", car1, car2);
		6171
		6172	if (car1->bounds_ws_type == eBounds_ws && car2->bounds_ws_type == eBounds_ws) {
		6173	return BoundsOverlapTest_car(&car1->bounds_world_space, &car2->bounds_world_space);
		6174	} else {
		6175	return 1;
		6176	}
		6177	}
		6178
		6179	// IDA: int __usercall CollideTwoCarsWithWalls@<EAX>(tCollision_info car1@<EAX>, tCollision_info car2@<EDX>, br_scalar dt)
		6180	int CollideTwoCarsWithWalls(tCollision_info* car1, tCollision_info* car2, br_scalar dt) {
		6181	br_vector3 mom1;
		6182	br_vector3 mom2;
		6183	int l;
		6184	int m;
		6185	int n;
		6186	int p;
		6187	int im1;
		6188	int im2;
		6189	LOG_TRACE("(%p, %p, %f)", car1, car2, dt);
		6190
		6191	l = 0;
		6192	m = 0;
		6193	p = 0;
		6194	im1 = car1->infinite_mass;
		6195	im2 = car2->infinite_mass;
		6196	do {
		6197	n = CollideTwoCarsRepeatedly(car1, car2, dt);
		6198	if (n <= 0) {
		6199	if (n == -1) {
		6200	return -1;
		6201	}
		6202	l = 0;
		6203	m = 0;
		6204	} else {
		6205	++p;
		6206	if (n >= 5) {
		6207	if (p >= 10 \|\| car1->infinite_mass \|\| car2->infinite_mass) {
		6208	return -1;
		6209	}
		6210	BrVector3Set(&car1->omega, 0.0f, 0.0f, 0.0f);
		6211	BrVector3Set(&car2->omega, 0.0f, 0.0f, 0.0f);
		6212	BrVector3Scale(&mom1, &car1->v, car1->M);
		6213	BrVector3Scale(&mom2, &car2->v, car2->M);
		6214	BrVector3Accumulate(&mom1, &mom2);
		6215	BrVector3InvScale(&car1->v, &mom1, car2->M + car1->M);
		6216	car2->v = car1->v;
		6217	RotateCar(car1, dt);
		6218	TranslateCar(car1, dt);
		6219	RotateCar(car2, dt);
		6220	TranslateCar(car2, dt);
		6221	if (CollideTwoCars(car1, car2, -1)) {
		6222	return -1;
		6223	}
		6224	if (im1 \|\| im2) {
		6225	return -1;
		6226	}
		6227	}
		6228	if (!im1) {
		6229	l = CollideCarWithWall(car1, dt);
		6230	}
		6231	if (!im2) {
		6232	m = CollideCarWithWall(car2, dt);
		6233	}
		6234	if (p < 3) {
		6235	car1->infinite_mass = im1;
		6236	car2->infinite_mass = im2;
		6237	}
		6238	if (p > 5) {
		6239	if (l) {
		6240	car1->infinite_mass \|= 0x100u;
		6241	}
		6242	if (m) {
		6243	car2->infinite_mass \|= 0x100u;
		6244	}
		6245	}
		6246	if (car1->infinite_mass && car2->infinite_mass) {
		6247	return -1;
		6248	}
		6249	}
		6250	} while ((l \|\| m) && p < 10);
		6251	if (p < 10) {
		6252	return p;
		6253	} else {
		6254	return -1;
		6255	}
		6256	}
		6257
		6258	// IDA: int __usercall CollideTwoCarsRepeatedly@<EAX>(tCollision_info car1@<EAX>, tCollision_info car2@<EDX>, br_scalar dt)
		6259	int CollideTwoCarsRepeatedly(tCollision_info* car1, tCollision_info* car2, br_scalar dt) {
		6260	int l;
		6261	int collide;
		6262	//br_scalar ts; // Pierre-Marie Baty -- unused variable
		6263	LOG_TRACE("(%p, %p, %f)", car1, car2, dt);
		6264
		6265	l = 0;
		6266	ModifyCarsMass(car1, car2);
		6267	while (1) {
		6268	collide = CollideTwoCars(car1, car2, l);
		6269	if (!collide) {
		6270	break;
		6271	}
		6272	if (collide == -1) {
		6273	ResetCarsMass(car1, car2);
		6274	return -1;
		6275	}
		6276	if (++l >= 5) {
		6277	break;
		6278	}
		6279	RotateCar(car1, dt);
		6280	TranslateCar(car1, dt);
		6281	RotateCar(car2, dt);
		6282	TranslateCar(car2, dt);
		6283	}
		6284	if (l > 0) {
		6285	car1->frame_collision_flag += 256;
		6286	car2->frame_collision_flag += 256;
		6287	if (gNet_mode == eNet_mode_host) {
		6288	car1->last_car_car_collision = gLast_mechanics_time + 40;
		6289	car2->last_car_car_collision = gLast_mechanics_time + 40;
		6290	}
		6291	}
		6292	ResetCarsMass(car1, car2);
		6293	return l;
		6294	}
		6295
		6296	// IDA: int __usercall CollideTwoCars@<EAX>(tCollision_info car1@<EAX>, tCollision_info car2@<EDX>, int pPass@<EBX>)
		6297	int CollideTwoCars(tCollision_info* car1, tCollision_info* car2, int pPass) {
		6298	int k;
		6299	int old_k;
		6300	int i;
		6301	int j;
		6302	//br_scalar dist; // Pierre-Marie Baty -- unused variable
		6303	//br_scalar ts; // Pierre-Marie Baty -- unused variable
		6304	br_bounds new_car1_bnds;
		6305	br_bounds new_car2_bnds;
		6306	br_bounds bnds;
		6307	br_matrix34* mat1;
		6308	br_matrix34* mat2;
		6309	br_matrix34* oldmat1;
		6310	br_matrix34* oldmat2;
		6311	br_matrix34 inv_mat1;
		6312	br_matrix34 inv_mat2;
		6313	br_matrix34 inv_oldmat1;
		6314	br_matrix34 inv_oldmat2;
		6315	br_matrix34 car2_to_car1;
		6316	br_matrix34 car1_to_car2;
		6317	br_matrix34 old_car2_to_car1;
		6318	br_matrix34 old_car1_to_car2;
		6319	br_matrix34 car1_to_old_car1;
		6320	br_matrix34 car2_to_old_car2;
		6321	br_vector3 r[16];
		6322	br_vector3 n[16];
		6323	//br_vector3 sep; // Pierre-Marie Baty -- unused variable
		6324	br_vector3 tv;
		6325	int add_point;
		6326	static br_vector3 oldr1;
		6327	static br_vector3 oldr2;
		6328	static br_vector3 oldn1;
		6329	static br_vector3 oldn2;
		6330	static int is_old_point_available;
		6331	LOG_TRACE("(%p, %p, %d)", car1, car2, pPass);
		6332
		6333	#ifdef DETHRACE_FIX_BUGS
		6334	// this variable is used uninitialized
		6335	add_point = 0;
		6336	#endif
		6337
		6338	if (!gCar_car_collisions) {
		6339	return 0;
		6340	}
		6341	if (pPass < 0 && !SimpleCarCarCollisionTest(car1, car2)) {
		6342	return 0;
		6343	}
		6344
		6345	mat1 = &car1->car_master_actor->t.t.mat;
		6346	mat2 = &car2->car_master_actor->t.t.mat;
		6347	oldmat1 = &car1->oldmat;
		6348	oldmat2 = &car2->oldmat;
		6349	BrMatrix34LPInverse(&inv_oldmat1, &car1->oldmat);
		6350	BrMatrix34LPInverse(&inv_oldmat2, &car2->oldmat);
		6351	BrMatrix34Mul(&car1_to_old_car1, mat1, &inv_oldmat1);
		6352	BrMatrix34Mul(&car2_to_old_car2, mat2, &inv_oldmat2);
		6353	BrMatrix34Mul(&old_car2_to_car1, oldmat2, &inv_oldmat1);
		6354	GetNewBoundingBox(&new_car1_bnds, &car1->bounds[1], &car1_to_old_car1);
		6355	GetNewBoundingBox(&new_car2_bnds, &car2->bounds[1], &car2_to_old_car2);
		6356
		6357	for (i = 0; i < 3; ++i) {
		6358	new_car1_bnds.min.v[i] = MIN(car1->bounds[1].min.v[i], new_car1_bnds.min.v[i]);
		6359	new_car1_bnds.max.v[i] = MAX(car1->bounds[1].max.v[i], new_car1_bnds.max.v[i]);
		6360
		6361	new_car2_bnds.min.v[i] = MIN(car2->bounds[1].min.v[i], new_car2_bnds.min.v[i]);
		6362	new_car2_bnds.max.v[i] = MAX(car2->bounds[1].max.v[i], new_car2_bnds.max.v[i]);
		6363	}
		6364	GetNewBoundingBox(&bnds, &new_car2_bnds, &old_car2_to_car1);
		6365
		6366	if (new_car1_bnds.max.v[0] < bnds.min.v[0]
		6367	\|\| bnds.max.v[0] < new_car1_bnds.min.v[0]
		6368	\|\| new_car1_bnds.max.v[1] < bnds.min.v[1]
		6369	\|\| bnds.max.v[1] < new_car1_bnds.min.v[1]
		6370	\|\| new_car1_bnds.max.v[2] < bnds.min.v[2]
		6371	\|\| bnds.max.v[2] < new_car1_bnds.min.v[2]) {
		6372	return 0;
		6373	}
		6374	BrMatrix34LPInverse(&inv_mat1, mat1);
		6375	BrMatrix34LPInverse(&inv_mat2, mat2);
		6376	BrMatrix34Mul(&car2_to_car1, mat2, &inv_mat1);
		6377	BrMatrix34Mul(&car1_to_car2, mat1, &inv_mat2);
		6378	BrMatrix34Mul(&old_car2_to_car1, oldmat2, &inv_oldmat1);
		6379	BrMatrix34Mul(&old_car1_to_car2, oldmat1, &inv_oldmat2);
		6380	BrMatrix34Mul(&car1_to_old_car1, mat1, &inv_oldmat1);
		6381	BrMatrix34Mul(&car2_to_old_car2, mat2, &inv_oldmat2);
		6382	do {
		6383	k = 0;
		6384	k += FacePointCarCarCollide(car1, car2, &car2_to_car1, &old_car2_to_car1, &car1_to_old_car1, r, n, 8, 0);
		6385	k += FacePointCarCarCollide(car2, car1, &car1_to_car2, &old_car1_to_car2, &car2_to_old_car2, &r[2 * k], &n[2 * k], 8 - k, 1);
		6386	old_k = k;
		6387
		6388	if (k < 3 \|\| add_point) {
		6389	k += GetEdgeEdgeCollisions(&car1->bounds[1], &car2->bounds[1], &car2_to_car1, &car1_to_car2, &old_car2_to_car1, &old_car1_to_car2, &car1_to_old_car1, &r[2 * k], &n[2 * k], 8 - k);
		6390	}
		6391	if (k == -1) {
		6392	TestOldMats(car1, car2, 1);
		6393	}
		6394	if (!k) {
		6395	return 0;
		6396	}
		6397	if (k > 4) {
		6398	i = old_k;
		6399	j = old_k;
		6400	while (i < k) {
		6401	if (BrVector3Dot(&n[2 * i + 1], &r[2 * i + 1]) <= 0.0f \|\| i - j >= k - 4) {
		6402	if (j != i) {
		6403	r[2 * j] = r[2 * i];
		6404	}
		6405	n[2 * j] = n[2 * i];
		6406	r[2 * j + 1] = r[2 * i + 1];
		6407	n[2 * j + 1] = n[2 * i + 1];
		6408	} else {
		6409	j--;
		6410	}
		6411	i++;
		6412	j++;
		6413	}
		6414	k = j;
		6415	}
		6416	for (i = 0; i < k; ++i) {
		6417	BrVector3Sub(&r[2 * i], &r[2 * i], &car1->cmpos);
		6418	BrVector3Sub(&r[2 * i + 1], &r[2 * i + 1], &car2->cmpos);
		6419	}
		6420	if (add_point == -1) {
		6421	return k;
		6422	}
		6423	car1->doing_nothing_flag = 0;
		6424	car2->doing_nothing_flag = 0;
		6425	if (k < 3 && add_point) {
		6426	for (i = 0; i < k; i++) {
		6427	BrVector3Sub(&tv, &r[2 * i], &oldr1);
		6428	if (BrVector3LengthSquared(&tv) < 0.01f) {
		6429	add_point = 0;
		6430	}
		6431	}
		6432	if (add_point) {
		6433	r[2 * k] = oldr1;
		6434	r[2 * k + 1] = oldr2;
		6435	n[2 * k] = oldn1;
		6436	n[2 * k + 1] = oldn2;
		6437	k++;
		6438	}
		6439	}
		6440	oldr1 = r[0];
		6441	oldr2 = r[1];
		6442	oldn1 = n[0];
		6443	oldn2 = n[1];
		6444	if (k < 3) {
		6445	if (car1->collision_flag && !car1->infinite_mass) {
		6446
		6447	for (i = 0; i < k; i++) {
		6448	if (BrVector3Dot(&n[2 * i], &car1->old_norm) < -0.9f) {
		6449	car1->infinite_mass \|= 0x100u;
		6450	}
		6451	}
		6452	if (!car1->infinite_mass) {
		6453	r[2 * k] = car1->old_point;
		6454	n[2 * k] = car1->old_norm;
		6455	BrVector3SetFloat(&n[2 * k + 1], 0.0f, 0.0f, 0.0f);
		6456	BrVector3SetFloat(&r[2 * k + 1], 0.0f, 0.0f, 0.0f);
		6457	k++;
		6458	}
		6459	}
		6460	if (car2->collision_flag && !car2->infinite_mass) {
		6461	for (i = 0; i < k; i++) {
		6462	if (BrVector3Dot(&n[2 * i + 1], &car2->old_norm) < -0.9f) {
		6463	car2->infinite_mass \|= 0x100u;
		6464	}
		6465	}
		6466	if (!car2->infinite_mass) {
		6467	r[2 * k + 1] = car2->old_point;
		6468	n[2 * k + 1] = car2->old_norm;
		6469	BrVector3SetFloat(&n[2 * k], 0.0f, 0.0f, 0.0f);
		6470	BrVector3SetFloat(&r[2 * k], 0.0f, 0.0f, 0.0f);
		6471	k++;
		6472	}
		6473	}
		6474	}
		6475	if (car1->infinite_mass && car2->infinite_mass) {
		6476	return -1;
		6477	}
		6478	} while (DoCollide(car1, car2, r, n, k, pPass, &car1_to_car2));
		6479	return k;
		6480	}
		6481
		6482	// IDA: int __usercall GetEdgeEdgeCollisions@<EAX>(br_bounds pB1@<EAX>, br_bounds pB2@<EDX>, br_matrix34 pM21@<EBX>, br_matrix34 pM12@<ECX>, br_matrix34 pMo21, br_matrix34 pMo12, br_matrix34 pM1o1, br_vector3 pPoint_list, br_vector3 *pNorm_list, int pMax)
		6483	int GetEdgeEdgeCollisions(br_bounds* pB1, br_bounds* pB2, br_matrix34* pM21, br_matrix34* pM12, br_matrix34* pMo21, br_matrix34* pMo12, br_matrix34* pM1o1, br_vector3* pPoint_list, br_vector3* pNorm_list, int pMax) {
		6484	br_vector3 p1;
		6485	br_vector3 p2;
		6486	br_vector3 tp1;
		6487	br_vector3 tp2;
		6488	br_vector3 tp3;
		6489	br_vector3 hp1;
		6490	br_vector3 hp2;
		6491	br_vector3 hp3;
		6492	br_vector3 shp1;
		6493	br_vector3 shp2;
		6494	br_vector3 edge;
		6495	int plane1;
		6496	int plane2;
		6497	int plane3;
		6498	br_scalar ts;
		6499	int i;
		6500	int j;
		6501	int n;
		6502	LOG_TRACE("(%p, %p, %p, %p, %p, %p, %p, %p, %p, %d)", pB1, pB2, pM21, pM12, pMo21, pMo12, pM1o1, pPoint_list, pNorm_list, pMax);
		6503
		6504	// EdgeEdge final version
		6505	n = 0;
		6506	if (pMax < 1) {
		6507	return 0;
		6508	}
		6509	for (i = 0; i < 4; i++) {
		6510	if (i == 3) {
		6511	tp1 = pB2->min;
		6512	} else {
		6513	tp1 = pB2->max;
		6514	tp1.v[i] = pB2->min.v[i];
		6515	}
		6516	for (j = 0; j < 3; j++) {
		6517	tp2 = tp1;
		6518	if (pB2->max.v[j] == tp2.v[j]) {
		6519	tp2.v[j] = pB2->min.v[j];
		6520	} else {
		6521	tp2.v[j] = pB2->max.v[j];
		6522	}
		6523
		6524	BrMatrix34ApplyP(&p1, &tp1, pM21);
		6525	BrMatrix34ApplyP(&p2, &tp2, pM21);
		6526	plane1 = LineBoxColl(&p1, &p2, pB1, &hp1);
		6527	if (plane1 == 0) {
		6528	continue;
		6529	}
		6530	plane2 = LineBoxColl(&p2, &p1, pB1, &hp2);
		6531	if (plane1 == 8 \|\| plane2 == 8 \|\| plane2 == 0) {
		6532	continue;
		6533	}
		6534	BrVector3Add(&p1, &hp1, &hp2);
		6535	BrVector3Scale(&p1, &p1, 0.5f);
		6536	BrMatrix34ApplyP(&tp3, &p1, pM12);
		6537	BrMatrix34ApplyP(&p2, &tp3, pMo21);
		6538	plane3 = LineBoxColl(&p2, &p1, pB1, &hp3);
		6539	// if (plane3 != 8 && plane3 != 0) {
		6540	// goto LABEL_25;
		6541	// }
		6542	if (plane3 == 8 \|\| plane3 == 0) {
		6543	BrVector3Sub(&tp3, &p2, &p1);
		6544	ts = BrVector3Length(&tp3);
		6545	ts = ts / 0.01f;
		6546	if (ts == 0.0f) {
		6547	continue;
		6548	}
		6549	BrVector3InvScale(&tp3, &tp3, ts);
		6550	BrVector3Accumulate(&p2, &tp3);
		6551	plane3 = LineBoxColl(&p2, &p1, pB1, &hp3);
		6552	if (plane3 == 8) {
		6553	continue;
		6554	}
		6555	}
		6556	if (plane3 == 0) {
		6557	continue;
		6558	}
		6559
		6560	BrMatrix34ApplyP(&shp1, &hp1, pM12);
		6561	BrMatrix34ApplyP(&shp2, &hp2, pM12);
		6562	if ((plane1 ^ plane2) != 4 && (plane3 == plane1 \|\| plane3 == plane2)) {
		6563	if (n >= pMax) {
		6564	return n;
		6565	}
		6566	GetBoundsEdge(&pPoint_list[2 * n], &edge, pB1, plane1, plane2, &p2, &hp1, &hp2, 0);
		6567	BrVector3Accumulate(&shp1, &shp2);
		6568	BrVector3Scale(&pPoint_list[2 * n + 1], &shp1, 0.5f);
		6569	BrVector3Sub(&p1, &hp1, &hp2);
		6570	BrVector3Cross(&p2, &edge, &p1);
		6571	BrVector3Normalise(&p2, &p2);
		6572	BrVector3Add(&p1, &pB1->max, &pB1->min);
		6573	BrVector3Scale(&p1, &p1, 0.5f);
		6574	BrVector3Sub(&p1, &pPoint_list[2 * n], &p1);
		6575	if (BrVector3Dot(&p1, &p2) > 0.0) {
		6576	BrVector3Negate(&p2, &p2);
		6577	}
		6578	BrMatrix34ApplyV(&p1, &p2, pM12);
		6579	BrMatrix34TApplyV(&pNorm_list[2 * n], &p1, pMo12);
		6580	BrMatrix34TApplyV(&pNorm_list[2 * n + 1], &p2, pMo21);
		6581	BrVector3Negate(&pNorm_list[2 * n + 1], &pNorm_list[2 * n + 1]);
		6582	n++;
		6583	} else if ((plane1 ^ plane2) == 4) {
		6584	if (pMax - 1 <= n) {
		6585	return n;
		6586	}
		6587	GetBoundsEdge(&pPoint_list[2 * n], &edge, pB1, plane1, plane3, &p2, &hp1, &hp2, 0);
		6588	GetBoundsEdge(&pPoint_list[2 * n + 2], &edge, pB1, plane2, plane3, &p2, &hp1, &hp2, 0);
		6589	pPoint_list[2 * n + 1] = shp1;
		6590	pPoint_list[2 * n + 3] = shp2;
		6591	BrVector3Sub(&p1, &hp1, &hp2);
		6592	BrMatrix34ApplyV(&p2, &p1, pM12);
		6593	BrMatrix34ApplyV(&p1, &p2, pMo21);
		6594	BrVector3Cross(&p2, &edge, &p1);
		6595	BrVector3Normalise(&pNorm_list[2 * n], &p2);
		6596	GetPlaneNormal(&edge, plane3);
		6597	if (BrVector3Dot(&pNorm_list[2 * n], &edge) < 0.0f) {
		6598	BrVector3Negate(&pNorm_list[2 * n], &pNorm_list[2 * n]);
		6599	}
		6600	BrMatrix34ApplyV(&pNorm_list[2 * n + 1], &pNorm_list[2 * n], pMo12);
		6601	BrVector3Negate(&pNorm_list[2 * n + 1], &pNorm_list[2 * n + 1]);
		6602	BrMatrix34ApplyV(&tp3, &pNorm_list[2 * n], pM12);
		6603	BrMatrix34ApplyV(&pNorm_list[2 * n], &tp3, pMo21);
		6604	pNorm_list[2 * n + 2] = pNorm_list[2 * n];
		6605	pNorm_list[2 * n + 3] = pNorm_list[2 * n + 1];
		6606	n += 2;
		6607	} else {
		6608	if (pMax - 1 <= n) {
		6609	return n;
		6610	}
		6611	GetBoundsEdge(&pPoint_list[2 * n], &edge, pB1, plane1, plane3, &p2, &hp1, &hp2, 0);
		6612	GetBoundsEdge(&pPoint_list[2 * n + 2], &edge, pB1, plane2, plane3, &p2, &hp1, &hp2, 0);
		6613	BrMatrix34ApplyP(&pPoint_list[2 * n + 1], &hp1, pM12);
		6614	BrMatrix34ApplyP(&pPoint_list[2 * n + 3], &hp2, pM12);
		6615	GetPlaneNormal(&pNorm_list[2 * n], plane3);
		6616	BrMatrix34ApplyV(&pNorm_list[2 * n + 2], &pNorm_list[2 * n], pM1o1);
		6617	BrMatrix34ApplyV(&pNorm_list[2 * n + 1], &pNorm_list[2 * n + 2], pMo12);
		6618	pNorm_list[2 * n] = pNorm_list[2 * n + 2];
		6619	BrVector3Negate(&pNorm_list[2 * n + 1], &pNorm_list[2 * n + 1]);
		6620	pNorm_list[2 * n + 3] = pNorm_list[2 * n + 1];
		6621	n += 2;
		6622	}
		6623	}
		6624	}
		6625	return n;
		6626	}
		6627
		6628	// IDA: int __usercall FacePointCarCarCollide@<EAX>(tCollision_info car1@<EAX>, tCollision_info car2@<EDX>, br_matrix34 pMms@<EBX>, br_matrix34 pMoms@<ECX>, br_matrix34 pMsos, br_vector3 pPoint_list, br_vector3 *pNorm_list, int pMax, int order)
		6629	int FacePointCarCarCollide(tCollision_info* car1, tCollision_info* car2, br_matrix34* pMms, br_matrix34* pMoms, br_matrix34* pMsos, br_vector3* pPoint_list, br_vector3* pNorm_list, int pMax, int order) {
		6630	int k;
		6631	int i;
		6632	int j;
		6633	int l;
		6634	int plane;
		6635	br_vector3 a;
		6636	br_vector3 a1;
		6637	br_vector3 aa;
		6638	br_vector3 bb;
		6639	br_vector3 norm;
		6640	br_vector3 hp;
		6641	br_vector3 centre;
		6642	br_scalar dist;
		6643	br_bounds* pStat_box;
		6644	//br_bounds* pMove_box; // Pierre-Marie Baty -- unused variable
		6645	LOG_TRACE("(%p, %p, %p, %p, %p, %p, %p, %d, %d)", car1, car2, pMms, pMoms, pMsos, pPoint_list, pNorm_list, pMax, order);
		6646
		6647	k = 0;
		6648	pStat_box = &car2->bounds[1];
		6649	BrVector3Add(&centre, &car2->bounds[1].max, &car2->bounds[1].min);
		6650	BrVector3InvScale(&centre, &centre, 2.0f);
		6651	for (i = 0; i < car2->extra_point_num + 8; i++) {
		6652	if (i >= 8) {
		6653	a = car2->extra_points[i - 8];
		6654	} else {
		6655	a.v[0] = ((i & 2) == 0) * pStat_box->min.v[0] + ((i & 2) >> 1) * pStat_box->max.v[0];
		6656	a.v[1] = ((i & 1) == 0) * pStat_box->min.v[1] + (i & 1) * pStat_box->max.v[1];
		6657	a.v[2] = ((i & 4) == 0) * pStat_box->max.v[2] + ((i & 4) >> 2) * pStat_box->min.v[2];
		6658	}
		6659	BrMatrix34ApplyP(&aa, &a, pMms);
		6660	BrMatrix34ApplyP(&bb, &a, pMoms);
		6661	BrVector3Sub(&aa, &aa, &bb);
		6662	dist = BrVector3Length(&aa);
		6663	if (dist >= 0.00001f) {
		6664	BrVector3Scale(&a1, &aa, (0.05f / WORLD_SCALE) / dist); // 0.0072463769 * 6.9 = 0.05
		6665	BrVector3Accumulate(&aa, &a1);
		6666	BrVector3Accumulate(&aa, &bb);
		6667	plane = LineBoxCollWithSphere(&bb, &aa, &car1->bounds[1], &hp);
		6668	if ((plane & 7) != 0) {
		6669	GetPlaneNormal(&norm, plane);
		6670
		6671	j = 2 * k + order;
		6672	l = 2 * k + (order == 0);
		6673	BrMatrix34ApplyV(&pNorm_list[j], &norm, pMsos);
		6674	BrMatrix34TApplyV(&pNorm_list[l], &pNorm_list[j], pMoms);
		6675	BrVector3Negate(&pNorm_list[l], &pNorm_list[l]);
		6676	if ((pNorm_list[l].v[0] >= 0.0f) != (centre.v[0] <= a.v[0]) \|\| (pNorm_list[l].v[1] >= 0.0f) != (centre.v[1] <= a.v[1]) \|\| (pNorm_list[l].v[2] >= 0.0f) != (a.v[2] >= centre.v[2])
		6677	\|\| !TestOldMats(car1, car2, 0)) {
		6678	pPoint_list[l] = a;
		6679	pPoint_list[j] = hp;
		6680	k++;
		6681	if (pMax == k) {
		6682	return k;
		6683	}
		6684	}
		6685	}
		6686	}
		6687	}
		6688	return k;
		6689	}
		6690
		6691	// IDA: void __usercall MungeCarsMass(tCollision_info *pCar@<EAX>, br_scalar pFactor)
		6692	void MungeCarsMass(tCollision_info* pCar, br_scalar pFactor) {
		6693	LOG_TRACE("(%p, %f)", pCar, pFactor);
		6694
		6695	pCar->M = pCar->M * pFactor;
		6696	BrVector3Scale(&pCar->I, &pCar->I, pFactor);
		6697	}
		6698
		6699	// IDA: void __usercall ModifyCarsMass(tCollision_info pCar_1@<EAX>, tCollision_info pCar_2@<EDX>)
		6700	void ModifyCarsMass(tCollision_info* pCar_1, tCollision_info* pCar_2) {
		6701	LOG_TRACE("(%p, %p)", pCar_1, pCar_2);
		6702
		6703	if (pCar_1->driver > eDriver_non_car && ((tCar_spec*)pCar_1)->collision_mass_multiplier != 1.0f) {
		6704	MungeCarsMass(pCar_1, ((tCar_spec*)pCar_1)->collision_mass_multiplier);
		6705	}
		6706	if (pCar_2->driver > eDriver_non_car && ((tCar_spec*)pCar_2)->collision_mass_multiplier != 1.0f) {
		6707	MungeCarsMass(pCar_2, ((tCar_spec*)pCar_2)->collision_mass_multiplier);
		6708	}
		6709	}
		6710
		6711	// IDA: void __usercall ResetCarsMass(tCollision_info pCar_1@<EAX>, tCollision_info pCar_2@<EDX>)
		6712	void ResetCarsMass(tCollision_info* pCar_1, tCollision_info* pCar_2) {
		6713	LOG_TRACE("(%p, %p)", pCar_1, pCar_2);
		6714
		6715	if (pCar_1->driver > eDriver_non_car && ((tCar_spec*)pCar_1)->collision_mass_multiplier != 1.0f) {
		6716	MungeCarsMass(pCar_1, 1.0f / ((tCar_spec*)pCar_1)->collision_mass_multiplier);
		6717	}
		6718	if (pCar_2->driver > eDriver_non_car && ((tCar_spec*)pCar_2)->collision_mass_multiplier != 1.0f) {
		6719	MungeCarsMass(pCar_2, 1.0f / ((tCar_spec*)pCar_2)->collision_mass_multiplier);
		6720	}
		6721	}
		6722
		6723	// IDA: int __usercall DoCollide@<EAX>(tCollision_info car1@<EAX>, tCollision_info car2@<EDX>, br_vector3 r@<EBX>, br_vector3 n@<ECX>, int k, int pPass, br_matrix34 *mat1_to_mat2)
		6724	int DoCollide(tCollision_info* car1, tCollision_info* car2, br_vector3* r, br_vector3* n, int k, int pPass, br_matrix34* mat1_to_mat2) {
		6725	br_matrix34* mat1;
		6726	br_matrix34* mat2;
		6727	br_matrix34* oldmat1;
		6728	br_matrix34* oldmat2;
		6729	br_matrix4 M;
		6730	br_vector3 tau1[8];
		6731	br_vector3 a;
		6732	br_vector3 norm;
		6733	br_vector3 f1;
		6734	br_vector3 f2;
		6735	br_vector3 pos1;
		6736	br_vector3 pos2;
		6737	br_vector3 max_friction;
		6738	br_vector3 tv;
		6739	br_vector3 tv2;
		6740	br_vector3* tau2;
		6741	br_vector3 torque1;
		6742	br_vector3 torque2;
		6743	br_scalar f[4];
		6744	br_scalar d[4];
		6745	br_scalar ts;
		6746	br_scalar tforce;
		6747	int i;
		6748	int j;
		6749	int car1_point;
		6750	int car2_point;
		6751	int plane;
		6752	int move_car1;
		6753	int move_car2;
		6754	//br_vector3 a2; // Pierre-Marie Baty -- unused variable
		6755	br_vector3 f12;
		6756	br_vector3 f22;
		6757	br_vector3 point_vel1;
		6758	br_vector3 point_vel2;
		6759	//br_scalar fudge_multiplier; // Pierre-Marie Baty -- unused variable
		6760	br_scalar factor;
		6761	int need_to_fudge;
		6762	LOG_TRACE("(%p, %p, %p, %p, %d, %d, %p)", car1, car2, r, n, k, pPass, mat1_to_mat2);
		6763
		6764	mat1 = &car1->car_master_actor->t.t.mat;
		6765	mat2 = &car2->car_master_actor->t.t.mat;
		6766	oldmat1 = &car1->oldmat;
		6767	oldmat2 = &car2->oldmat;
		6768	tau2 = &tau1[4];
		6769	move_car1 = !car1->infinite_mass && car1->min_torque_squared == 0.0f;
		6770	move_car2 = !car2->infinite_mass && car2->min_torque_squared == 0.0f;
		6771	if (k > 4) {
		6772	k = 4;
		6773	}
		6774	BrMatrix34Copy(mat1, oldmat1);
		6775	BrMatrix34Copy(mat2, oldmat2);
		6776	BrVector3Copy(&car1->omega, &car1->oldomega);
		6777	BrVector3Copy(&car2->omega, &car2->oldomega);
		6778	BrMatrix34TApplyV(&car1->velocity_car_space, &car1->v, mat1);
		6779	BrMatrix34TApplyV(&car2->velocity_car_space, &car2->v, mat2);
		6780	need_to_fudge = 1;
		6781	for (i = 0; i < k; ++i) {
		6782	BrVector3Cross(&tau1[i], &r[2 * i], &n[2 * i]);
		6783	BrVector3Cross(&tau2[i], &r[2 * i + 1], &n[2 * i + 1]);
		6784	Vector3Div(&tau1[i], &tau1[i], &car1->I);
		6785	Vector3Div(&tau2[i], &tau2[i], &car2->I);
		6786	BrVector3Cross(&tv, &car1->omega, &r[2 * i]);
		6787	BrVector3Accumulate(&tv, &car1->velocity_car_space);
		6788	d[i] = -BrVector3Dot(&n[2 * i], &tv);
		6789	BrVector3Cross(&tv, &car2->omega, &r[2 * i + 1]);
		6790	BrVector3Accumulate(&tv, &car2->velocity_car_space);
		6791	d[i] -= BrVector3Dot(&n[2 * i + 1], &tv);
		6792	if (d[i] > 0.0f) {
		6793	need_to_fudge = 0;
		6794	}
		6795	}
		6796	if (need_to_fudge) {
		6797	d[0] = 0.5f;
		6798	}
		6799	factor = 0.0f;
		6800	if (move_car1) {
		6801	factor = car1->M + factor;
		6802	}
		6803	if (move_car2) {
		6804	factor = car2->M + factor;
		6805	}
		6806	for (i = 0; i < k; i++) {
		6807	for (j = 0; j < k; j++) {
		6808	if (move_car1) {
		6809	BrVector3Cross(&tv, &tau1[j], &r[2 * i]);
		6810	BrVector3InvScale(&norm, &n[2 * j], car1->M);
		6811	BrVector3Accumulate(&tv, &norm);
		6812	M.m[i][j] = BrVector3Dot(&n[2 * i], &tv);
		6813	} else {
		6814	M.m[i][j] = 0.0f;
		6815	}
		6816	if (move_car2) {
		6817	BrVector3Cross(&tv, &tau2[j], &r[2 * i + 1]);
		6818	BrVector3InvScale(&norm, &n[2 * j + 1], car2->M);
		6819	BrVector3Accumulate(&tv, &norm);
		6820	M.m[i][j] += BrVector3Dot(&n[2 * i + 1], &tv);
		6821	}
		6822	M.m[i][j] *= factor;
		6823	}
		6824	}
		6825	switch (k) {
		6826	case 1:
		6827	ts = SinglePointColl(f, &M, d);
		6828	break;
		6829	case 2:
		6830	ts = TwoPointCollB(f, &M, d, tau1, n);
		6831	break;
		6832	case 3:
		6833	d[3] = 0.f;
		6834	ts = ThreePointCollRecB(f, &M, d, tau1, n);
		6835	break;
		6836	case 4:
		6837	ts = FourPointCollB(f, &M, d, tau1, n);
		6838	break;
		6839	default:
		6840	ts = 0;
		6841	break;
		6842	}
		6843	if (k > 3) {
		6844	k = 3;
		6845	}
		6846	if (fabsf(ts) <= 0.000001f) {
		6847	return 0;
		6848	}
		6849	BrVector3SetFloat(&f1, 0.0f, 0.0f, 0.0f);
		6850	BrVector3SetFloat(&f2, 0.0f, 0.0f, 0.0f);
		6851	BrVector3SetFloat(&pos1, 0.0f, 0.0f, 0.0f);
		6852	BrVector3SetFloat(&pos2, 0.0f, 0.0f, 0.0f);
		6853	BrVector3SetFloat(&torque1, 0.0f, 0.0f, 0.0f);
		6854	BrVector3SetFloat(&torque2, 0.0f, 0.0f, 0.0f);
		6855	tforce = 0.0f;
		6856	car1_point = -1;
		6857	car2_point = -1;
		6858	for (i = 0; i < k; i++) {
		6859	f[i] = f[i] * factor;
		6860	if (f[i] == 0.0f && k != 0) {
		6861	break;
		6862	}
		6863	if (f[i] < 0.001f) {
		6864	f[i] = 0.001f;
		6865	}
		6866	if (f[i] > 10.0f) {
		6867	ts = 0.0f;
		6868	}
		6869	f[i] += 0.1f;
		6870	BrVector3Scale(&tau1[i], &tau1[i], f[i]);
		6871	BrVector3Scale(&tau2[i], &tau2[i], f[i]);
		6872	BrVector3Accumulate(&torque1, &tau1[i]);
		6873	BrVector3Accumulate(&torque2, &tau2[i]);
		6874	if (!pPass && Vector3IsZero(&n[2 * i])) {
		6875	car2_point = i;
		6876	} else if (!pPass && Vector3IsZero(&n[2 * i + 1])) {
		6877	car1_point = i;
		6878	} else {
		6879	ts = f[i] / car1->M;
		6880	BrVector3Scale(&tv2, &n[2 * i], ts);
		6881	BrVector3Accumulate(&f1, &tv2);
		6882	ts = f[i] / car2->M;
		6883	BrVector3Scale(&tv2, &n[2 * i + 1], ts);
		6884	BrVector3Accumulate(&f2, &tv2);
		6885	BrVector3Scale(&tv2, &r[2 * i], f[i]);
		6886	BrVector3Accumulate(&pos1, &tv2);
		6887	BrVector3Scale(&tv2, &r[2 * i + 1], f[i]);
		6888	BrVector3Accumulate(&pos2, &tv2);
		6889	tforce += f[i];
		6890	}
		6891	}
		6892	if (car1->min_torque_squared != 0.0f && !car1->infinite_mass && BrVector3LengthSquared(&torque1) > car1->min_torque_squared) {
		6893	BrVector3Scale(&car1->omega, &car1->omega, gDt);
		6894	car1->omega.v[0] += torque1.v[0] * 0.04f;
		6895	car1->omega.v[2] += torque1.v[2] * 0.04f;
		6896	if (BrVector3LengthSquared(&car1->omega) > car1->break_off_radians_squared) {
		6897	car1->min_torque_squared = 0.0f;
		6898	return 1;
		6899	}
		6900	BrVector3InvScale(&car1->omega, &car1->omega, gDt);
		6901	}
		6902	if (car2->min_torque_squared != 0.0f && !car2->infinite_mass && BrVector3LengthSquared(&torque2) > car2->min_torque_squared) {
		6903	BrVector3Scale(&car2->omega, &car2->omega, gDt);
		6904	car2->omega.v[0] += torque2.v[0] * 0.04f;
		6905	car2->omega.v[2] += torque2.v[2] * 0.04f;
		6906	if (BrVector3LengthSquared(&car2->omega) > car2->break_off_radians_squared) {
		6907	car2->min_torque_squared = 0.0f;
		6908	return 1;
		6909	}
		6910	BrVector3InvScale(&car2->omega, &car2->omega, gDt);
		6911	}
		6912	if (move_car1) {
		6913	BrVector3Accumulate(&car1->omega, &torque1);
		6914	}
		6915	if (move_car2) {
		6916	BrVector3Accumulate(&car2->omega, &torque2);
		6917	}
		6918	BrVector3InvScale(&pos1, &pos1, tforce);
		6919	BrVector3InvScale(&pos2, &pos2, tforce);
		6920	if (pPass == 0) {
		6921	if (car1_point >= 0 && move_car1) {
		6922	f[car1_point] = f[car1_point] / car1->M;
		6923	BrVector3Scale(&n[2 * car1_point], &n[2 * car1_point], f[car1_point]);
		6924	BrVector3Cross(&tv2, &car1->oldomega, &r[2 * car1_point]);
		6925	BrVector3Accumulate(&tv2, &car1->velocity_car_space);
		6926	ts = BrVector3Length(&tv2);
		6927	if (ts > 0.0001f && (car1->driver <= eDriver_non_car \|\| !CAR(car1)->wall_climber_mode)) {
		6928	AddFriction(car1, &tv2, &n[2 * car1_point], &r[2 * car1_point], f[car1_point], &max_friction);
		6929	BrVector3Accumulate(&n[2 * car1_point], &max_friction);
		6930	}
		6931	BrMatrix34ApplyV(&tv, &n[2 * car1_point], mat1);
		6932	BrVector3Accumulate(&car1->v, &tv);
		6933	}
		6934	if (car2_point >= 0 && move_car2) {
		6935	f[car2_point] = f[car2_point] / car2->M;
		6936	BrVector3Scale(&n[2 * car2_point + 1], &n[2 * car2_point + 1], f[car2_point]);
		6937	BrVector3Cross(&tv2, &car2->oldomega, &r[2 * car2_point + 1]);
		6938	BrVector3Accumulate(&tv2, &car2->velocity_car_space);
		6939	ts = BrVector3Length(&tv2);
		6940
		6941	if (ts > 0.0001f && (car1->driver <= eDriver_non_car \|\| !(CAR(car1)->wall_climber_mode))) {
		6942	AddFriction(car2, &tv2, &n[2 * car2_point + 1], &r[2 * car2_point + 1], f[car2_point], &max_friction);
		6943	BrVector3Accumulate(&n[2 * car2_point + 1], &max_friction);
		6944	}
		6945	BrMatrix34ApplyV(&tv, &n[2 * car2_point + 1], mat2);
		6946	BrVector3Accumulate(&car2->v, &tv);
		6947	}
		6948	if (tforce != 0.0f) {
		6949	BrVector3Cross(&point_vel1, &car1->oldomega, &pos1);
		6950	BrVector3Sub(&a, &car1->v, &car2->v);
		6951	BrMatrix34TApplyV(&tv2, &a, mat1);
		6952	BrVector3Accumulate(&point_vel1, &tv2);
		6953	BrVector3Cross(&point_vel2, &car2->oldomega, &pos2);
		6954	AddFrictionCarToCar(car1, car2, &point_vel1, &point_vel2, &f1, &pos1, &pos2, tforce, &max_friction);
		6955	if (TestForNan(max_friction.v) \|\| TestForNan(&max_friction.v[1]) \|\| TestForNan(&max_friction.v[2])) {
		6956	BrVector3SetFloat(&max_friction, 0.0f, 0.0f, 0.0f);
		6957	}
		6958	BrVector3InvScale(&tv2, &max_friction, car1->M);
		6959	BrVector3Accumulate(&f1, &tv2);
		6960	BrMatrix34ApplyV(&tv2, &max_friction, mat1);
		6961	BrMatrix34TApplyV(&max_friction, &tv2, mat2);
		6962	BrVector3InvScale(&tv2, &max_friction, car2->M);
		6963	BrVector3Accumulate(&f2, &tv2);
		6964	}
		6965	}
		6966	if (tforce == 0.0f) {
		6967	return 0;
		6968	}
		6969	BrMatrix34ApplyV(&tv, &f1, mat1);
		6970	if (move_car1) {
		6971	BrVector3Accumulate(&car1->v, &tv);
		6972	}
		6973	CrushAndDamageCar(CAR(car1), &pos1, &f1, CAR(car2));
		6974	if ((car1->infinite_mass & 0x100) != 0) {
		6975	BrVector3Sub(&tv2, &car1->cmpos, &pos1);
		6976	BrVector3Accumulate(&tv2, &car1->cmpos);
		6977	ts = BrVector3Length(&f1);
		6978	if (ts > 0.0001f) {
		6979	ts = 5.0f / ts;
		6980	BrVector3Scale(&a, &f1, ts);
		6981	BrVector3Accumulate(&tv2, &a);
		6982	plane = LineBoxColl(&tv2, &pos1, &car1->bounds[1], &a);
		6983	if (plane) {
		6984	BrVector3Negate(&f12, &f1);
		6985	CrushAndDamageCar(CAR(car1), &a, &f12, CAR(car2));
		6986	}
		6987	}
		6988	}
		6989	BrMatrix34ApplyV(&tv, &f2, mat2);
		6990	if (move_car2) {
		6991	BrVector3Accumulate(&car2->v, &tv);
		6992	}
		6993	CrushAndDamageCar(CAR(car2), &pos2, &f2, CAR(car1));
		6994	if ((car2->infinite_mass & 0x100) != 0) {
		6995	BrVector3Sub(&tv2, &car2->cmpos, &pos2);
		6996	BrVector3Accumulate(&tv2, &car2->cmpos);
		6997	ts = BrVector3Length(&f2);
		6998	if (ts > 0.0001f) {
		6999	ts = 5.0f / ts;
		7000	BrVector3Scale(&a, &f2, ts);
		7001	BrVector3Accumulate(&tv2, &a);
		7002	plane = LineBoxColl(&tv2, &pos2, &car2->bounds[1], &a);
		7003	if (plane) {
		7004	BrVector3Negate(&f22, &f2);
		7005	CrushAndDamageCar(CAR(car2), &a, &f22, CAR(car1));
		7006	}
		7007	}
		7008	}
		7009	BrMatrix34ApplyP(&tv2, &pos1, mat1);
		7010	BrVector3InvScale(&tv2, &tv2, WORLD_SCALE);
		7011	BrVector3Scale(&f1, &f1, 5.0f);
		7012	CrashNoise(&f1, &tv2, 0);
		7013	BrVector3Add(&a, &car2->v, &car1->v);
		7014	BrVector3Scale(&a, &a, 0.25f / WORLD_SCALE);
		7015	BrVector3Scale(&tv, &tv, car2->M * 3.0f);
		7016	CreateSparkShower(&tv2, &a, &tv, CAR(car1), CAR(car2));
		7017	return 0;
		7018	}
		7019
		7020	// IDA: br_scalar __usercall TwoPointCollB@<ST0>(br_scalar f@<EAX>, br_matrix4 m@<EDX>, br_scalar d@<EBX>, br_vector3 tau@<ECX>, br_vector3 *n)
		7021	br_scalar TwoPointCollB(br_scalar* f, br_matrix4* m, br_scalar* d, br_vector3* tau, br_vector3* n) {
		7022	br_scalar ts;
		7023	LOG_TRACE("(%p, %p, %p, %p, %p)", f, m, d, tau, n);
		7024
		7025	ts = m->m[1][1] * m->m[0][0] - m->m[0][1] * m->m[1][0];
		7026	if (fabsf(ts) > 0.000001f) {
		7027	f[0] = (m->m[1][1] * d[0] - m->m[0][1] * d[1]) / ts;
		7028	f[1] = (m->m[1][0] * d[0] - m->m[0][0] * d[1]) / -ts;
		7029	}
		7030	if (f[1] < 0.0f) {
		7031	ts = SinglePointColl(f, m, d);
		7032	f[1] = 0.f;
		7033	} else if (f[0] < 0.f) {
		7034	m->m[0][0] = m->m[1][1];
		7035	BrVector3Copy(&tau[0], &tau[1]);
		7036	BrVector3Copy(&tau[4], &tau[5]);
		7037	BrVector3Copy(&n[0], &n[2]);
		7038	BrVector3Copy(&n[1], &n[3]);
		7039	d[0] = d[1];
		7040	ts = SinglePointColl(f, m, d);
		7041	f[1] = 0.0f;
		7042	}
		7043	return ts;
		7044	}
		7045
		7046	// IDA: br_scalar __usercall ThreePointCollRecB@<ST0>(br_scalar f@<EAX>, br_matrix4 m@<EDX>, br_scalar d@<EBX>, br_vector3 tau@<ECX>, br_vector3 *n)
		7047	br_scalar ThreePointCollRecB(br_scalar* f, br_matrix4* m, br_scalar* d, br_vector3* tau, br_vector3* n) {
		7048	int i;
		7049	int j;
		7050	br_scalar ts;
		7051	LOG_TRACE("(%p, %p, %p, %p, %p)", f, m, d, tau, n);
		7052
		7053	ts = ThreePointColl(f, m, d);
		7054	if (f[0] >= 0.0f && f[1] >= 0.0f && f[2] >= 0.0f) {
		7055	return ts;
		7056	}
		7057	if (f[2] < 0.f) {
		7058	i = 0;
		7059	j = 1;
		7060	} else if (f[1] < 0.f) {
		7061	i = 0;
		7062	j = 2;
		7063	} else if (f[0] < 0.f) {
		7064	i = 1;
		7065	j = 2;
		7066	} else {
		7067	return 0.0f;
		7068	}
		7069	m->m[0][0] = ((br_scalar)(m->m))[5 i];
		7070	m->m[1][0] = m->m[j][i];
		7071	m->m[0][1] = m->m[i][j];
		7072	m->m[1][1] = ((br_scalar)(m->m))[5 j];
		7073	BrVector3Copy(&tau[0], &tau[i]);
		7074	BrVector3Copy(&tau[1], &tau[j]);
		7075	BrVector3Copy(&tau[4], &tau[i + 4]);
		7076	BrVector3Copy(&tau[5], &tau[j + 4]);
		7077	BrVector3Copy(&n[0], &n[2 * i]);
		7078	BrVector3Copy(&n[2], &n[2 * j]);
		7079	BrVector3Copy(&n[1], &n[2 * i + 1]);
		7080	BrVector3Copy(&n[3], &n[2 * j + 1]);
		7081	d[0] = d[i];
		7082	d[1] = d[j];
		7083	ts = TwoPointCollB(f, m, d, tau, n);
		7084	f[2] = 0.0;
		7085	return ts;
		7086	}
		7087
		7088	// IDA: br_scalar __usercall FourPointCollB@<ST0>(br_scalar f@<EAX>, br_matrix4 m@<EDX>, br_scalar d@<EBX>, br_vector3 tau@<ECX>, br_vector3 *n)
		7089	br_scalar FourPointCollB(br_scalar* f, br_matrix4* m, br_scalar* d, br_vector3* tau, br_vector3* n) {
		7090	int i;
		7091	int j;
		7092	int l;
		7093	br_scalar ts;
		7094	LOG_TRACE("(%p, %p, %p, %p, %p)", f, m, d, tau, n);
		7095
		7096	ts = ThreePointColl(f, m, d);
		7097	if (f[0] >= 0.0f && f[1] >= 0.0f && f[2] >= 0.0f) {
		7098	return ts;
		7099	}
		7100	if (f[0] < 0.0f) {
		7101	l = 0;
		7102	} else if (f[1] < 0.0f) {
		7103	l = 1;
		7104	} else {
		7105	l = 2;
		7106	}
		7107	for (i = l; i < 3; i++) {
		7108	for (j = 0; j < 4; j++) {
		7109	m->m[i][j] = m->m[i + 1][j];
		7110	}
		7111	d[i] = d[i + 1];
		7112	tau[i] = tau[i + 1];
		7113	tau[i + 4] = tau[i + 5];
		7114	n[2 * i] = n[2 * i + 2];
		7115	n[2 * i + 1] = n[2 * i + 3];
		7116	d[i] = d[i + 1];
		7117	}
		7118	for (i = l; i < 3; i++) {
		7119	for (j = 0; j < 3; j++) {
		7120	m->m[j][i] = m->m[j][i + 1];
		7121	}
		7122	}
		7123	return ThreePointCollRecB(f, m, d, tau, n);
		7124	}
		7125
		7126	// IDA: int __usercall TestForNan@<EAX>(float *f@<EAX>)
		7127	int TestForNan(float* f) {
		7128	//tU32 i; // Pierre-Marie Baty -- unused variable
		7129	LOG_TRACE("(%p)", f);
		7130	// i = *f;
		7131	// LOG_DEBUG("i %x", i);
		7132	return isnan(*f);
		7133	// return (~i & 0x7F800000) == 0;
		7134	}
		7135
		7136	// IDA: void __cdecl CheckCameraHither()
		7137	void CheckCameraHither(void) {
		7138	br_camera* cam;
		7139	static int old_hither;
		7140	LOG_TRACE("()");
		7141
		7142	cam = (br_camera*)gCamera->type_data;
		7143	if (TestForNan(&cam->hither_z)) {
		7144	cam->hither_z = (float)old_hither;
		7145	}
		7146	old_hither = (int)cam->hither_z;
		7147	}
		7148
		7149	// IDA: void __usercall SetCarSuspGiveAndHeight(tCar_spec *pCar@<EAX>, br_scalar pFront_give_factor, br_scalar pRear_give_factor, br_scalar pDamping_factor, br_scalar pExtra_front_height, br_scalar pExtra_rear_height)
		7150	void SetCarSuspGiveAndHeight(tCar_spec* pCar, br_scalar pFront_give_factor, br_scalar pRear_give_factor, br_scalar pDamping_factor, br_scalar pExtra_front_height, br_scalar pExtra_rear_height) {
		7151	br_scalar front_give;
		7152	br_scalar rear_give;
		7153	br_scalar damping;
		7154	br_scalar ratio;
		7155	//int i; // Pierre-Marie Baty -- unused variable
		7156	LOG_TRACE("(%p, %f, %f, %f, %f, %f)", pCar, pFront_give_factor, pRear_give_factor, pDamping_factor, pExtra_front_height, pExtra_rear_height);
		7157
		7158	#define UNK_SUSPENION_FACTOR 5.0f
		7159
		7160	front_give = pCar->susp_give[1] * pFront_give_factor * WORLD_SCALE;
		7161	rear_give = pCar->susp_give[0] * pRear_give_factor * WORLD_SCALE;
		7162	damping = pCar->damping * pDamping_factor;
		7163	ratio = fabsf((pCar->wpos[0].v[2] - pCar->cmpos.v[2]) / (pCar->wpos[2].v[2] - pCar->cmpos.v[2]));
		7164	pCar->sk[0] = pCar->M / (ratio + 1.0f) * UNK_SUSPENION_FACTOR / rear_give;
		7165	pCar->sb[0] = pCar->M / (ratio + 1.0f) * sqrtf(UNK_SUSPENION_FACTOR) / sqrt(rear_give);
		7166	ratio = 1.0f / ratio;
		7167	pCar->sk[1] = pCar->M / (ratio + 1.0f) * UNK_SUSPENION_FACTOR / front_give;
		7168	pCar->sb[1] = pCar->M / (ratio + 1.0f) * sqrtf(UNK_SUSPENION_FACTOR) / sqrt(front_give);
		7169
		7170	pCar->sb[0] *= damping;
		7171	pCar->sb[1] *= damping;
		7172	pCar->susp_height[0] = pCar->ride_height + rear_give + pExtra_rear_height;
		7173	pCar->susp_height[1] = pCar->ride_height + front_give + pExtra_front_height;
		7174
		7175	pCar->bounds[0].min.v[1] = -MAX(rear_give, front_give) + -MAX(pExtra_rear_height, pExtra_front_height);
		7176	pCar->bounds[0].min.v[1] /= WORLD_SCALE;
		7177
		7178	#undef UNK_SUSPENION_FACTOR
		7179	}
		7180
		7181	// IDA: int __usercall TestForCarInSensiblePlace@<EAX>(tCar_spec *car@<EAX>)
		7182	int TestForCarInSensiblePlace(tCar_spec* car) {
		7183	//br_bounds bnds; // Pierre-Marie Baty -- unused variable
		7184	//br_matrix34 mat; // Pierre-Marie Baty -- unused variable
		7185	br_matrix34* mat1;
		7186	br_matrix34* mat2;
		7187	int i;
		7188	//int j; // Pierre-Marie Baty -- unused variable
		7189	int k;
		7190	tCollision_info* c2;
		7191	tCollision_info* car_info;
		7192	br_vector3 sep;
		7193	br_vector3 tv;
		7194	br_vector3 tv2;
		7195	LOG_TRACE("(%p)", car);
		7196
		7197	car_info = (tCollision_info*)car;
		7198	if (!gProgram_state.racing) {
		7199	return 1;
		7200	}
		7201	mat1 = &car_info->car_master_actor->t.t.mat;
		7202	if (!gDoing_physics) {
		7203	BrVector3Scale((br_vector3)mat1->m[3], (br_vector3)mat1->m[3], WORLD_SCALE);
		7204	}
		7205	GetFacesInBox(car_info);
		7206	BrMatrix34ApplyP(&car_info->pos, &car_info->cmpos, mat1);
		7207	BrVector3InvScale(&car_info->pos, &car_info->pos, WORLD_SCALE);
		7208	k = CollCheck(car_info, -2.f);
		7209	if (!k) {
		7210	if (gNum_active_non_cars + gNum_active_cars != gNum_cars_and_non_cars) {
		7211	GetNonCars();
		7212	}
		7213	for (i = 0; i < gNum_cars_and_non_cars; i++) {
		7214	c2 = (tCollision_info*)gActive_car_list[i];
		7215	if (car_info != c2) {
		7216	mat2 = &c2->car_master_actor->t.t.mat;
		7217	BrVector3Scale((br_vector3)mat2->m[3], (br_vector3)mat2->m[3], WORLD_SCALE);
		7218	BrVector3Sub(&sep, (br_vector3)mat1->m[3], (br_vector3)mat2->m[3]);
		7219	if (BrVector3LengthSquared(&sep) <= 100.0) {
		7220	k += TestOldMats(car_info, c2, 0);
		7221	k += TestOldMats(c2, car_info, 0);
		7222	}
		7223	if (k != 0) {
		7224	BrMatrix34ApplyP(&tv, &car_info->cmpos, mat1);
		7225	BrMatrix34ApplyP(&tv2, &c2->cmpos, mat2);
		7226	BrVector3Sub(&tv, &tv2, &tv);
		7227	BrMatrix34TApplyV(&car_info->old_point, &tv, mat1);
		7228	BrVector3Normalise(&car_info->old_norm, &car_info->old_point);
		7229	BrVector3Negate(&car_info->old_norm, &car_info->old_norm);
		7230	}
		7231	BrVector3InvScale((br_vector3)mat2->m[3], (br_vector3)mat2->m[3], WORLD_SCALE);
		7232	if (k != 0) {
		7233	break;
		7234	}
		7235	}
		7236	}
		7237	}
		7238	if (!gDoing_physics) {
		7239	BrVector3InvScale((br_vector3)mat1->m[3], (br_vector3)mat1->m[3], WORLD_SCALE);
		7240	}
		7241	if (k != 0) {
		7242	return 0;
		7243	} else {
		7244	return -1;
		7245	}
		7246	}
		7247
		7248	// IDA: int __usercall TestOldMats@<EAX>(tCollision_info c1@<EAX>, tCollision_info c2@<EDX>, int newmats@<EBX>)
		7249	int TestOldMats(tCollision_info* c1, tCollision_info* c2, int newmats) {
		7250	br_vector3 p1;
		7251	br_vector3 p2;
		7252	br_vector3 tp1;
		7253	//br_vector3 tp2; // Pierre-Marie Baty -- unused variable
		7254	//br_vector3 tp3; // Pierre-Marie Baty -- unused variable
		7255	br_vector3 hp1;
		7256	//br_vector3 hp2; // Pierre-Marie Baty -- unused variable
		7257	//br_vector3 hp3; // Pierre-Marie Baty -- unused variable
		7258	//br_vector3 shp1; // Pierre-Marie Baty -- unused variable
		7259	//br_vector3 shp2; // Pierre-Marie Baty -- unused variable
		7260	br_vector3 edge;
		7261	//int plane1; // Pierre-Marie Baty -- unused variable
		7262	//int plane2; // Pierre-Marie Baty -- unused variable
		7263	//int plane3; // Pierre-Marie Baty -- unused variable
		7264	//br_scalar ts; // Pierre-Marie Baty -- unused variable
		7265	int i;
		7266	int j;
		7267	int n;
		7268	br_bounds* b1;
		7269	br_bounds* b2;
		7270	br_matrix34 invmat1;
		7271	br_matrix34 mat21;
		7272	LOG_TRACE("(%p, %p, %d)", c1, c2, newmats);
		7273
		7274	n = 0;
		7275	b1 = &c1->bounds[1];
		7276	b2 = &c2->bounds[1];
		7277	if (newmats) {
		7278	BrMatrix34LPInverse(&invmat1, &c1->car_master_actor->t.t.mat);
		7279	BrMatrix34Mul(&mat21, &c2->car_master_actor->t.t.mat, &invmat1);
		7280	} else {
		7281	BrMatrix34LPInverse(&invmat1, &c1->oldmat);
		7282	BrMatrix34Mul(&mat21, &c2->oldmat, &invmat1);
		7283	}
		7284	for (i = 0; i < 4; i++) {
		7285	if (i == 3) {
		7286	BrVector3Copy(&edge, &b2->min);
		7287	} else {
		7288	BrVector3Copy(&edge, &b2->max);
		7289	edge.v[i] = b2->min.v[i];
		7290	}
		7291	for (j = 0; j < 3; j++) {
		7292	BrVector3Copy(&tp1, &edge);
		7293	if (b2->max.v[j] == tp1.v[j]) {
		7294	tp1.v[j] = b2->min.v[j];
		7295	} else {
		7296	tp1.v[j] = b2->max.v[j];
		7297	}
		7298	BrMatrix34ApplyP(&p1, &edge, &mat21);
		7299	BrMatrix34ApplyP(&p2, &tp1, &mat21);
		7300	if (LineBoxColl(&p1, &p2, b1, &hp1)) {
		7301	n++;
		7302	}
		7303	}
		7304	}
		7305	return n;
		7306	}
		7307
		7308	// IDA: int __usercall PullActorFromWorld@<EAX>(br_actor *pActor@<EAX>)
		7309	int PullActorFromWorld(br_actor* pActor) {
		7310	LOG_TRACE("(%p)", pActor);
		7311
		7312	if (gDoing_physics) {
		7313	return DoPullActorFromWorld(pActor);
		7314	}
		7315	return 0;
		7316	}
		7317
		7318	// IDA: int __usercall DoPullActorFromWorld@<EAX>(br_actor *pActor@<EAX>)
		7319	int DoPullActorFromWorld(br_actor* pActor) {
		7320	int num;
		7321	int i;
		7322	tCollision_info* c;
		7323	tNon_car_spec* non_car;
		7324	LOG_TRACE("(%p)", pActor);
		7325
		7326	non_car = NULL;
		7327	num = 10 * (pActor->identifier[1] - '0') + 1 * (pActor->identifier[2] - '0');
		7328	if (gNon_car_spec_list[num]) {
		7329	non_car = &gProgram_state.non_cars[gNon_car_spec_list[num] + 4];
		7330	}
		7331	if (non_car && non_car->collision_info.driver == eDriver_non_car) {
		7332	non_car = gProgram_state.non_cars;
		7333	for (i = 0; i < NONCAR_UNUSED_SLOTS; i++) {
		7334	if (non_car->collision_info.driver == eDriver_non_car_unused_slot) {
		7335	break;
		7336	}
		7337	non_car++;
		7338	}
		7339	if (i == NONCAR_UNUSED_SLOTS) {
		7340	non_car = NULL;
		7341	} else {
		7342	memcpy(non_car, &gProgram_state.non_cars[gNon_car_spec_list[num] + NONCAR_UNUSED_SLOTS - 1], sizeof(tNon_car_spec));
		7343	}
		7344	}
		7345	if (non_car != NULL) {
		7346	pActor->type_data = non_car;
		7347	c = &non_car->collision_info;
		7348	c->driver = eDriver_non_car;
		7349	c->doing_nothing_flag = 1;
		7350	BrActorRemove(pActor);
		7351	BrActorAdd(gNon_track_actor, pActor);
		7352	c->car_master_actor = pActor;
		7353	c->car_ID = 100 * (pActor->identifier[5] - '0') + 10 * (pActor->identifier[6] - '0') + 1 * (pActor->identifier[7] - '0');
		7354	gActive_non_car_list[gNum_active_non_cars] = non_car;
		7355	gNum_active_non_cars++;
		7356	gActive_car_list[gNum_cars_and_non_cars] = (tCar_spec*)non_car;
		7357	gNum_cars_and_non_cars++;
		7358	GetNewBoundingBox(&c->bounds_world_space, c->bounds, &pActor->t.t.mat);
		7359	non_car->collision_info.bounds_ws_type = eBounds_ws;
		7360	InitialiseNonCar(non_car);
		7361	ResetCarSpecialVolume((tCollision_info*)non_car);
		7362	if (gDoing_physics) {
		7363	BrVector3Scale((br_vector3)&pActor->t.t.mat.m[3][0], (br_vector3)&pActor->t.t.mat.m[3][0], WORLD_SCALE);
		7364	}
		7365	BrMatrix34Copy(&c->oldmat, &pActor->t.t.mat);
		7366	if (!gDoing_physics) {
		7367	BrVector3Scale((br_vector3)&c->oldmat.m[3][0], (br_vector3)&c->oldmat.m[3][0], WORLD_SCALE);
		7368	}
		7369	PipeSingleNonCar((tCollision_info*)non_car);
		7370	return 1;
		7371	} else {
		7372	pActor->identifier[1] = 'x';
		7373	return 0;
		7374	}
		7375	}
		7376
		7377	// IDA: void __usercall CheckForDeAttachmentOfNonCars(tU32 pTime@<EAX>)
		7378	void CheckForDeAttachmentOfNonCars(tU32 pTime) {
		7379	static tU32 total_time;
		7380	br_bounds bnds;
		7381	int i;
		7382	int j;
		7383	int last_free_slot;
		7384	int drop;
		7385	tCollision_info* c;
		7386	tCollision_info* c2;
		7387	br_actor* actor;
		7388	tU8 cx;
		7389	tU8 cz;
		7390	tTrack_spec* track_spec;
		7391	br_matrix34 mat;
		7392	LOG_TRACE("(%d)", pTime);
		7393
		7394	if (gNum_active_non_cars == 0) {
		7395	return;
		7396	}
		7397
		7398	last_free_slot = 0;
		7399	track_spec = &gProgram_state.track_spec;
		7400
		7401	StartPipingSession(ePipe_chunk_non_car);
		7402	for (i = 0; i < gNum_active_non_cars; i++) {
		7403	if (!gActive_non_car_list[i]->collision_info.doing_nothing_flag) {
		7404	AddNonCarToPipingSession(gActive_non_car_list[i]->collision_info.car_ID, gActive_non_car_list[i]->collision_info.car_master_actor);
		7405	}
		7406	}
		7407	EndPipingSession();
		7408
		7409	total_time += pTime;
		7410	if (total_time < 1000) {
		7411	return;
		7412	}
		7413	total_time = 0;
		7414	for (i = 0; i < gNum_active_non_cars; i++) {
		7415	c = &gActive_non_car_list[i]->collision_info;
		7416	if (c->car_master_actor->t.t.translate.t.v[1] < gMin_world_y) {
		7417	c->doing_nothing_flag = 1;
		7418	}
		7419	if (TestForNan(&c->car_master_actor->t.t.mat.m[3][1])) {
		7420	BrVector3Set(&c->omega, 0.0f, 0.0f, 0.0f);
		7421	BrMatrix34Identity(&c->car_master_actor->t.t.mat);
		7422	BrVector3Set(&c->car_master_actor->t.t.translate.t, 2000.f, 0.f, 0.f);
		7423	c->doing_nothing_flag = 1;
		7424	}
		7425	actor = c->car_master_actor;
		7426	gActive_non_car_list[last_free_slot] = gActive_non_car_list[i];
		7427	if (c->doing_nothing_flag) {
		7428	drop = 1;
		7429	for (j = 0; j < gNum_cars_and_non_cars; j++) {
		7430	c2 = (tCollision_info*)gActive_car_list[j];
		7431	if (c2 != c && !c2->doing_nothing_flag) {
		7432	BrMatrix34Mul(&mat, &actor->t.t.mat, &c2->last_box_inv_mat);
		7433	GetNewBoundingBox(&bnds, &actor->model->bounds, &mat);
		7434	if (c2->last_box.max.v[0] >= bnds.min.v[0]
		7435	&& c2->last_box.max.v[1] >= bnds.min.v[1]
		7436	&& c2->last_box.max.v[2] >= bnds.min.v[2]
		7437	&& c2->last_box.min.v[0] <= bnds.max.v[0]
		7438	&& c2->last_box.min.v[1] <= bnds.max.v[1]
		7439	&& c2->last_box.min.v[2] <= bnds.max.v[2]) {
		7440	drop = 0;
		7441	break;
		7442	}
		7443	}
		7444	}
		7445	if (drop) {
		7446	BrActorRemove(actor);
		7447	c->driver = eDriver_non_car_unused_slot;
		7448	last_free_slot--;
		7449	XZToColumnXZ(&cx, &cz, actor->t.t.mat.m[3][0], actor->t.t.mat.m[3][2], track_spec);
		7450	if (track_spec->columns[cz][cx] != NULL) {
		7451	BrActorAdd(track_spec->columns[cz][cx], actor);
		7452	} else {
		7453	BrActorAdd(gTrack_actor, actor);
		7454	}
		7455	}
		7456	}
		7457	last_free_slot++;
		7458	}
		7459	gNum_active_non_cars = last_free_slot;
		7460	}
		7461
		7462	// IDA: void __usercall AdjustNonCar(br_actor pActor@<EAX>, br_matrix34 pMat@<EDX>)
		7463	void AdjustNonCar(br_actor* pActor, br_matrix34* pMat) {
		7464	tU8 cx;
		7465	tU8 cz;
		7466	tTrack_spec* track_spec;
		7467	LOG_TRACE("(%p, %p)", pActor, pMat);
		7468
		7469	track_spec = &gProgram_state.track_spec;
		7470	BrMatrix34Copy(&pActor->t.t.mat, pMat);
		7471	if (pActor->parent != gNon_track_actor) {
		7472	XZToColumnXZ(&cx, &cz, pActor->t.t.translate.t.v[0], pActor->t.t.translate.t.v[2], track_spec);
		7473	if (track_spec->columns[cz][cx] != pActor->parent && track_spec->columns[cz][cx] != NULL) {
		7474	BrActorRemove(pActor);
		7475	BrActorAdd(track_spec->columns[cz][cx], pActor);
		7476	}
		7477	}
		7478	}
		7479
		7480	// IDA: void __usercall PipeSingleNonCar(tCollision_info *c@<EAX>)
		7481	void PipeSingleNonCar(tCollision_info* c) {
		7482	LOG_TRACE("(%p)", c);
		7483
		7484	StartPipingSession(ePipe_chunk_non_car);
		7485	if (gDoing_physics) {
		7486	BrVector3InvScale(&c->car_master_actor->t.t.translate.t, &c->car_master_actor->t.t.translate.t, WORLD_SCALE);
		7487	}
		7488	AddNonCarToPipingSession(c->car_ID, c->car_master_actor);
		7489	if (gDoing_physics) {
		7490	BrVector3Scale(&c->car_master_actor->t.t.translate.t, &c->car_master_actor->t.t.translate.t, WORLD_SCALE);
		7491	}
		7492	EndPipingSession();
		7493	}
		7494
		7495	// IDA: int __usercall GetPrecalculatedFacesUnderCar@<EAX>(tCar_spec pCar@<EAX>, tFace_ref *pFace_refs@<EDX>)
		7496	int GetPrecalculatedFacesUnderCar(tCar_spec* pCar, tFace_ref** pFace_refs) {
		7497	LOG_TRACE("(%p, %p)", pCar, pFace_refs);
		7498
		7499	if (pCar->box_face_ref == gFace_num__car
		7500	\|\| (pCar->box_face_ref == gFace_num__car - 1 && pCar->box_face_start > gFace_count)) {
		7501	*pFace_refs = &gFace_list__car[pCar->box_face_start];
		7502	return pCar->box_face_end - pCar->box_face_start;
		7503	}
		7504	return 0;
		7505	}
		7506
		7507	// IDA: br_material* __cdecl SomeNearbyMaterial()
		7508	br_material* SomeNearbyMaterial(void) {
		7509	LOG_TRACE("()");
		7510	NOT_IMPLEMENTED();
		7511	}

Subversion Repositories Games.Carmageddon

Games.Carmageddon//src/DETHRACE/common/car.c – Rev 18