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

Rev	Author	Line No.	Line
1	pmbaty	1	#include "spark.h"
20	pmbaty	2	#include "brender/brender.h"
1	pmbaty	3	#include "car.h"
		4	#include "depth.h"
		5	#include "errors.h"
		6	#include "globvars.h"
		7	#include "globvrkm.h"
		8	#include "graphics.h"
		9	#include "harness/hooks.h"
		10	#include "harness/trace.h"
		11	#include "loading.h"
		12	#include "opponent.h"
		13	#include "piping.h"
		14	#include "replay.h"
		15	#include "trig.h"
		16	#include "utility.h"
		17	#include "world.h"
20	pmbaty	18
1	pmbaty	19	#include <stdlib.h>
		20
		21	int gNext_spark;
		22	int gSpark_flags;
		23	int gNext_shrapnel;
		24	int gShrapnel_flags;
		25	br_model* gShrapnel_model[2];
		26	int gSmoke_flags;
		27	int gSmoke_num;
		28	int gOffset = 0;
		29	int gColumn_flags;
		30	int gNext_column;
		31	br_pixelmap* gBlack_smoke_shade_table;
		32	br_pixelmap* gDark_smoke_shade_table;
		33	br_pixelmap* gGrey_smoke_shade_table;
		34	int gSmoke_on = 1;
		35	int gNum_splash_types;
		36	int gIt_type;
		37	br_pixelmap* gIt_shade_table;
		38	br_pixelmap** gDust_table = &gShade_list[8];
		39	br_pixelmap* gFlame_map[20];
		40	tBRender_smoke* gBR_smoke_pointers[30];
		41	tSplash gSplash[32];
		42	br_material* gSplash_material[20];
		43	tBRender_smoke gBR_smoke_structs[30];
		44	tSmoke_column gSmoke_column[25];
		45	br_matrix4 gCameraToScreen;
		46	tSpark gSparks[32];
		47	br_pixelmap* gShade_list[16];
		48	int gN_BR_smoke_structs;
		49	tSmoke gSmoke[25];
		50	tU32 gSplash_flags;
		51	tU32 gNext_splash;
		52	br_model* gLollipop_model;
		53	int gNum_dust_tables;
		54	br_model* gSplash_model;
		55	int gDust_rotate;
		56	br_camera* gSpark_cam;
		57	br_material* gBlack_material;
		58	tShrapnel gShrapnel[15];
		59
		60	// gSmoke_column has 25 elements but all the code just checks the first 5 elements
		61	#define MAX_SMOKE_COLUMNS 5
		62
		63	// Bugfix: At higher FPS, flame animation runs too quickly, so introduce a new frame timer
		64	#define FLAME_ANIMATION_FRAME_INTERVAL 40
		65
		66	// Bugfix: At higher FPS, `CreatePuffOfSmoke` is called too often and causes smoke cirlces to be recycled too quickly so assume around 25fps
		67	#define SMOKE_COLUMN_NEW_PUFF_INTERVAL 30
		68
		69	// IDA: void __cdecl DrawDot(br_scalar z, tU8 scr_ptr, tU16 depth_ptr, tU8 *shade_ptr)
		70	void DrawDot(br_scalar z, tU8* scr_ptr, tU16* depth_ptr, tU8* shade_ptr) {
		71	LOG_TRACE("(%f, %p, %p, %p)", z, scr_ptr, depth_ptr, shade_ptr);
		72
		73	if (depth_ptr > (1.0 - z) 32768.0f) {
		74	depth_ptr = (1.0 - z) 32768.0f;
		75	scr_ptr = shade_ptr[scr_ptr];
		76	}
		77	}
		78
		79	// IDA: void __usercall SetWorldToScreen(br_pixelmap *pScreen@<EAX>)
		80	void SetWorldToScreen(br_pixelmap* pScreen) {
		81	br_matrix4 mat;
		82	br_matrix4 mat2;
		83	LOG_TRACE("(%p)", pScreen);
		84
		85	BrMatrix4Perspective(&mat, gSpark_cam->field_of_view, gSpark_cam->aspect, -gSpark_cam->hither_z, -gSpark_cam->yon_z);
		86	BrMatrix4Scale(&mat2, pScreen->width / 2, pScreen->height / 2, 1.0f);
		87	BrMatrix4Mul(&gCameraToScreen, &mat, &mat2);
		88	}
		89
		90	// IDA: void __usercall DrawLine3DThroughBRender(br_vector3 pStart@<EAX>, br_vector3 pEnd@<EDX>)
		91	void DrawLine3DThroughBRender(br_vector3* pStart, br_vector3* pEnd) {
		92	LOG_TRACE("(%p, %p)", pStart, pEnd);
		93	NOT_IMPLEMENTED();
		94	}
		95
		96	// IDA: int __usercall DrawLine3D@<EAX>(br_vector3 start@<EAX>, br_vector3 end@<EDX>, br_pixelmap pScreen@<EBX>, br_pixelmap pDepth_buffer@<ECX>, br_pixelmap *shade_table)
		97	int DrawLine3D(br_vector3* start, br_vector3* end, br_pixelmap* pScreen, br_pixelmap* pDepth_buffer, br_pixelmap* shade_table) {
		98	br_vector3 o;
		99	br_vector3 p;
		100	//br_vector3 tv; // Pierre-Marie Baty -- unused variable
		101	br_vector4 o2;
		102	br_vector4 p2;
		103	br_scalar ts;
		104	LOG_TRACE("(%p, %p, %p, %p, %p)", start, end, pScreen, pDepth_buffer, shade_table);
		105
		106	o = *start;
		107	p = *end;
		108	if (-gSpark_cam->hither_z < o.v[2] \|\| -gSpark_cam->hither_z < p.v[2]) {
		109	if (-gSpark_cam->hither_z < o.v[2] && -gSpark_cam->hither_z < p.v[2]) {
		110	return 0;
		111	}
		112	ts = (p.v[2] + gSpark_cam->hither_z) / (p.v[2] - o.v[2]);
		113	if (-gSpark_cam->hither_z < o.v[2]) {
		114	o.v[0] = p.v[0] - (p.v[0] - o.v[0]) * ts;
		115	o.v[1] = p.v[1] - (p.v[1] - o.v[1]) * ts;
		116	o.v[2] = -gSpark_cam->hither_z;
		117	}
		118	if (-gSpark_cam->hither_z < p.v[2]) {
		119	p.v[0] = p.v[0] - (p.v[0] - o.v[0]) * ts;
		120	p.v[1] = p.v[1] - (p.v[1] - o.v[1]) * ts;
		121	p.v[2] = -gSpark_cam->hither_z;
		122	}
		123	}
		124	BrMatrix4ApplyP(&o2, &o, &gCameraToScreen);
		125	BrMatrix4ApplyP(&p2, &p, &gCameraToScreen);
		126	o.v[0] = o2.v[0] / o2.v[3];
		127	o.v[1] = o2.v[1] / o2.v[3];
		128	o.v[2] = o2.v[2] / o2.v[3];
		129	p.v[0] = p2.v[0] / p2.v[3];
		130	p.v[1] = p2.v[1] / p2.v[3];
		131	p.v[2] = p2.v[2] / p2.v[3];
		132	return DrawLine2D(&o, &p, pScreen, pDepth_buffer, 1.0, shade_table);
		133	}
		134
		135	// IDA: int __usercall DrawLine2D@<EAX>(br_vector3 o@<EAX>, br_vector3 p@<EDX>, br_pixelmap pScreen@<EBX>, br_pixelmap pDepth_buffer@<ECX>, br_scalar brightness, br_pixelmap *shade_table)
		136	int DrawLine2D(br_vector3* o, br_vector3* p, br_pixelmap* pScreen, br_pixelmap* pDepth_buffer, br_scalar brightness, br_pixelmap* shade_table) {
		137	tU8* scr_ptr;
		138	tU16* depth_ptr;
		139	tU8* shade_ptr;
		140	int x1;
		141	int x2;
		142	int y1;
		143	int y2;
		144	int d;
		145	int dx;
		146	int dy;
		147	int ax;
		148	int sx;
		149	int ay;
		150	int sy;
		151	int x;
		152	int y;
		153	br_scalar zbuff;
		154	br_scalar zbuff_inc;
		155	int darken_count;
		156	int darken_init;
		157	LOG_TRACE("(%p, %p, %p, %p, %f, %p)", o, p, pScreen, pDepth_buffer, brightness, shade_table);
		158
		159	scr_ptr = (tU8)pScreen->pixels + pScreen->base_x + pScreen->base_y pScreen->row_bytes;
		160	depth_ptr = (tU16*)pDepth_buffer->pixels;
		161	shade_ptr = (tU8)shade_table->pixels + shade_table->base_y shade_table->row_bytes;
		162	x1 = pScreen->width / 2 + o->v[0];
		163	x2 = pScreen->width / 2 + p->v[0];
		164	y1 = pScreen->height / 2 - o->v[1];
		165	y2 = pScreen->height / 2 - p->v[1];
		166	if (brightness < 0.001 \|\| brightness > 1.0) {
		167	return 0;
		168	}
		169	if (x1 < 0 \|\| x2 < 0) {
		170	if (x1 < 0 && x2 < 0) {
		171	return 0;
		172	}
		173	if (x1 >= 0) {
		174	y2 = y1 - x1 * (y1 - y2) / (x1 - x2);
		175	p->v[2] = o->v[2] - (o->v[2] - p->v[2]) * (float)x1 / (float)(x1 - x2);
		176	x2 = 0;
		177	} else {
		178	y1 = y2 - x2 * (y2 - y1) / (x2 - x1);
		179	o->v[2] = p->v[2] - (p->v[2] - o->v[2]) * (float)x2 / (float)(x2 - x1);
		180	x1 = 0;
		181	}
		182	}
		183	if (pScreen->width <= x1 \|\| pScreen->width <= x2) {
		184	if (pScreen->width <= x1 && pScreen->width <= x2) {
		185	return 0;
		186	}
		187	if (pScreen->width > x1) {
		188	y2 = y1 - (y1 - y2) * (x1 - (pScreen->width - 1)) / (x1 - x2);
		189	p->v[2] = o->v[2] - (o->v[2] - p->v[2]) * (x1 - (float)(pScreen->width - 1)) / (float)(x1 - x2);
		190	x2 = pScreen->width - 1;
		191	} else {
		192	y1 = y2 - (y2 - y1) * (x2 - (pScreen->width - 1)) / (x2 - x1);
		193	o->v[2] = p->v[2] - (p->v[2] - o->v[2]) * (x2 - (float)(pScreen->width - 1)) / (float)(x2 - x1);
		194	x1 = pScreen->width - 1;
		195	}
		196	}
		197	if (y1 < 0 \|\| y2 < 0) {
		198	if (y1 < 0 && y2 < 0) {
		199	return 0;
		200	}
		201	if (y1 >= 0) {
		202	x2 = x1 - y1 * (x1 - x2) / (y1 - y2);
		203	p->v[2] = o->v[2] - (o->v[2] - p->v[2]) * (float)y1 / (float)(y1 - y2);
		204	y2 = 0;
		205	} else {
		206	x1 = x2 - y2 * (x2 - x1) / (y2 - y1);
		207	o->v[2] = p->v[2] - (p->v[2] - o->v[2]) * (float)y2 / (float)(y2 - y1);
		208	y1 = 0;
		209	}
		210	}
		211	if (pScreen->height <= y1 \|\| pScreen->height <= y2) {
		212	if (pScreen->height <= y1 && pScreen->height <= y2) {
		213	return 0;
		214	}
		215	if (pScreen->height > y1) {
		216	x2 = x1 - (x1 - x2) * (y1 - (pScreen->height - 1)) / (y1 - y2);
		217	p->v[2] = o->v[2] - (o->v[2] - p->v[2]) * (float)(y1 - (pScreen->height - 1)) / (float)(y1 - y2);
		218	y2 = pScreen->height - 1;
		219	} else {
		220	x1 = x2 - (x2 - x1) * (y2 - (pScreen->height - 1)) / (y2 - y1);
		221	o->v[2] = p->v[2] - (p->v[2] - o->v[2]) * (float)(y2 - (pScreen->height - 1)) / (float)(y2 - y1);
		222	y1 = pScreen->height - 1;
		223	}
		224	}
		225	zbuff = o->v[2];
		226	dx = x2 - x1;
		227	dy = y2 - y1;
		228	ax = 2 * abs(dx);
		229	if (x2 - x1 < 0) {
		230	sx = -1;
		231	} else {
		232	sx = 1;
		233	}
		234	ay = 2 * abs(dy);
		235	if (dy < 0) {
		236	sy = -1;
		237	} else {
		238	sy = 1;
		239	}
		240	x = x1;
		241	y = y1;
		242	scr_ptr += x1 + y1 * pScreen->row_bytes;
		243	depth_ptr += x1 + y1 * (pDepth_buffer->row_bytes / 2);
		244	darken_init = (brightness - 0.001) * (float)shade_table->height;
		245	if (ay >= ax) {
		246	d = ax - ay / 2;
		247	darken_init = 500 * ay / darken_init;
		248	darken_count = darken_init;
		249	zbuff_inc = (p->v[2] - o->v[2]) * 2.0 / (float)ay;
		250	while (1) {
		251	DrawDot(zbuff, scr_ptr, depth_ptr, shade_ptr);
		252	if (y == y2) {
		253	break;
		254	}
		255	if (d >= 0) {
		256	scr_ptr += sx;
		257	depth_ptr += sx;
		258	d -= ay;
		259	}
		260	y += sy;
		261	d += ax;
		262	scr_ptr += sy * pScreen->row_bytes;
		263	depth_ptr += sy * (pDepth_buffer->row_bytes / 2);
		264	zbuff = zbuff_inc + zbuff;
		265	darken_count -= 1000;
		266	while (darken_count <= 0) {
		267	darken_count += darken_init;
		268	shade_ptr += shade_table->row_bytes;
		269	}
		270	}
		271	} else {
		272	d = ay - ax / 2;
		273	darken_init = 500 * ax / darken_init;
		274	darken_count = darken_init;
		275	zbuff_inc = (p->v[2] - o->v[2]) * 2.0 / (float)ax;
		276	while (1) {
		277	DrawDot(zbuff, scr_ptr, depth_ptr, shade_ptr);
		278	if (x == x2) {
		279	break;
		280	}
		281	if (d >= 0) {
		282	scr_ptr += sy * pScreen->row_bytes;
		283	depth_ptr += sy * (pDepth_buffer->row_bytes / 2);
		284	d -= ax;
		285	}
		286	x += sx;
		287	scr_ptr += sx;
		288	depth_ptr += sx;
		289	d += ay;
		290	zbuff = zbuff_inc + zbuff;
		291	darken_count -= 1000;
		292	while (darken_count <= 0) {
		293	darken_count += darken_init;
		294	shade_ptr += shade_table->row_bytes;
		295	}
		296	}
		297	}
		298	return 1;
		299	}
		300
		301	// IDA: void __usercall SetLineModelCols(tU8 pCol@<EAX>)
		302	void SetLineModelCols(tU8 pCol) {
		303	LOG_TRACE("(%d)", pCol);
		304	NOT_IMPLEMENTED();
		305	}
		306
		307	// IDA: void __usercall ReplaySparks(br_pixelmap pRender_screen@<EAX>, br_pixelmap pDepth_buffer@<EDX>, br_actor *pCamera@<EBX>, tU32 pTime@<ECX>)
		308	void ReplaySparks(br_pixelmap* pRender_screen, br_pixelmap* pDepth_buffer, br_actor* pCamera, tU32 pTime) {
		309	int i;
		310	br_vector3 pos;
		311	br_vector3 o;
		312	br_vector3 p;
		313	br_vector3 tv;
		314	br_vector3 new_pos;
		315	LOG_TRACE("(%p, %p, %p, %d)", pRender_screen, pDepth_buffer, pCamera, pTime);
		316
		317	for (i = 0; i < COUNT_OF(gSparks); i++) {
		318	if (gSpark_flags & (1 << i)) {
		319	if (gSparks[i].car == NULL) {
		320	BrVector3Copy(&pos, &gSparks[i].pos);
		321	} else {
		322	BrMatrix34ApplyP(&tv, &o, &gSparks[i].car->car_master_actor->t.t.mat);
		323	BrVector3Copy(&o, &tv);
		324	BrMatrix34ApplyP(&pos, &gSparks[i].pos, &gSparks[i].car->car_master_actor->t.t.mat);
		325	}
		326	BrVector3Add(&o, &pos, &gSparks[i].length);
		327	BrVector3Sub(&tv, &pos, (br_vector3*)gCamera_to_world.m[3]);
		328	BrMatrix34TApplyV(&new_pos, &tv, &gCamera_to_world);
		329	BrVector3Sub(&tv, &o, (br_vector3*)gCamera_to_world.m[3]);
		330	BrMatrix34TApplyV(&p, &tv, &gCamera_to_world);
		331	if (gSparks[i].colour) {
		332	DrawLine3D(&p, &new_pos, pRender_screen, pDepth_buffer, gFog_shade_table);
		333	} else {
		334	DrawLine3D(&p, &new_pos, pRender_screen, pDepth_buffer, gAcid_shade_table);
		335	}
		336	}
		337	}
		338	}
		339
		340	// IDA: void __usercall RenderSparks(br_pixelmap pRender_screen@<EAX>, br_pixelmap pDepth_buffer@<EDX>, br_actor pCamera@<EBX>, br_matrix34 pCamera_to_world@<ECX>, tU32 pTime)
		341	void RenderSparks(br_pixelmap* pRender_screen, br_pixelmap* pDepth_buffer, br_actor* pCamera, br_matrix34* pCamera_to_world, tU32 pTime) {
		342	int i;
		343	int time;
		344	br_vector3 tv;
		345	br_vector3 o;
		346	br_vector3 p;
		347	br_vector3 pos;
		348	br_vector3 new_pos;
		349	br_scalar ts;
		350	LOG_TRACE("(%p, %p, %p, %p, %d)", pRender_screen, pDepth_buffer, pCamera, pCamera_to_world, pTime);
		351
		352	gSpark_cam = pCamera->type_data;
		353	SetWorldToScreen(pRender_screen);
		354
		355	if (!gSpark_flags) {
		356	return;
		357	}
		358
		359	if (gAction_replay_mode) {
		360	ReplaySparks(pRender_screen, pDepth_buffer, pCamera, pTime);
		361	return;
		362	}
		363	StartPipingSession(ePipe_chunk_spark);
		364	for (i = 0; i < COUNT_OF(gSparks); i++) {
		365	if (((1u << i) & gSpark_flags) == 0) {
		366	continue;
		367	}
		368	if (gSparks[i].count <= 0) {
		369	gSparks[i].count = 0;
		370	gSpark_flags &= ~(1u << i);
		371	}
		372	ts = BrVector3Dot(&gSparks[i].normal, &gSparks[i].v);
		373	BrVector3Scale(&tv, &gSparks[i].normal, ts);
		374	BrVector3Sub(&gSparks[i].v, &gSparks[i].v, &tv);
		375	if (gSparks[i].time_sync) {
		376	BrVector3Scale(&o, &gSparks[i].v, gSparks[i].time_sync / 1000.0);
		377	gSparks[i].count = gSparks[i].time_sync + gSparks[i].count - pTime;
		378	gSparks[i].time_sync = 0;
		379	} else {
		380	BrVector3Scale(&o, &gSparks[i].v, pTime / 1000.0);
		381	gSparks[i].count -= pTime;
		382	}
		383	BrVector3Accumulate(&gSparks[i].pos, &o);
		384	time = 1000 - gSparks[i].count;
		385	if (time > 150) {
		386	time = 150;
		387	}
		388	ts = -time / 1000.0;
		389	if (gSparks[i].colour) {
		390	ts = ts / 2.0;
		391	}
		392	BrVector3Scale(&gSparks[i].length, &gSparks[i].v, ts);
		393	ts = pTime * 10.0 / 6900.0;
		394	if (gSparks[i].car) {
		395	BrMatrix34ApplyV(&tv, &gSparks[i].length, &gSparks[i].car->car_master_actor->t.t.mat);
		396	BrVector3Copy(&gSparks[i].length, &tv);
		397	BrMatrix34ApplyP(&pos, &gSparks[i].pos, &gSparks[i].car->car_master_actor->t.t.mat);
		398	o = tv;
		399	gSparks[i].v.v[0] = gSparks[i].v.v[0] - gSparks[i].car->car_master_actor->t.t.mat.m[0][1] * ts;
		400	gSparks[i].v.v[1] = gSparks[i].v.v[1] - gSparks[i].car->car_master_actor->t.t.mat.m[1][1] * ts;
		401	gSparks[i].v.v[2] = gSparks[i].v.v[2] - gSparks[i].car->car_master_actor->t.t.mat.m[2][1] * ts;
		402	} else {
		403	BrVector3Copy(&pos, &gSparks[i].pos);
		404	gSparks[i].v.v[1] = gSparks[i].v.v[1] - ts;
		405	}
		406	AddSparkToPipingSession(i + (gSparks[i].colour << 8), &pos, &gSparks[i].length);
		407	BrVector3Add(&o, &gSparks[i].length, &pos);
		408	BrVector3Sub(&tv, &pos, (br_vector3*)gCamera_to_world.m[3]);
		409	BrMatrix34TApplyV(&new_pos, &tv, &gCamera_to_world);
		410	BrVector3Sub(&tv, &o, (br_vector3*)gCamera_to_world.m[3]);
		411	BrMatrix34TApplyV(&p, &tv, &gCamera_to_world);
		412	BrVector3SetFloat(&tv, FRandomBetween(-0.1f, 0.1f), FRandomBetween(-0.1f, 0.1f), FRandomBetween(-0.1f, 0.1f));
		413	BrVector3Accumulate(&gSparks[i].v, &tv);
		414	ts = 1.0f - BrVector3Length(&gSparks[i].v) / 1.4f * pTime / 1000.0f;
		415	if (ts < 0.1f) {
		416	ts = 0.1f;
		417	}
		418	BrVector3Scale(&gSparks[i].v, &gSparks[i].v, ts);
		419	if (gSparks[i].colour) {
		420	DrawLine3D(&p, &new_pos, pRender_screen, pDepth_buffer, gFog_shade_table);
		421	} else {
		422	DrawLine3D(&p, &new_pos, pRender_screen, pDepth_buffer, gAcid_shade_table);
		423	}
		424	}
		425	EndPipingSession();
		426	}
		427
		428	// IDA: void __usercall CreateSingleSpark(tCar_spec pCar@<EAX>, br_vector3 pPos@<EDX>, br_vector3 *pVel@<EBX>)
		429	void CreateSingleSpark(tCar_spec* pCar, br_vector3* pPos, br_vector3* pVel) {
		430	LOG_TRACE("(%p, %p, %p)", pCar, pPos, pVel);
		431
		432	BrVector3Copy(&gSparks[gNext_spark].pos, pPos);
		433	BrVector3SetFloat(&gSparks[gNext_spark].normal, 0.0f, 0.0f, 0.0f);
		434	BrVector3Copy(&gSparks[gNext_spark].v, pVel);
		435	gSparks[gNext_spark].count = 500;
		436	gSparks[gNext_spark].car = pCar;
		437	gSpark_flags \|= 1u << gNext_spark;
		438	gSparks[gNext_spark].time_sync = 1;
		439	gSparks[gNext_spark].colour = 1;
		440	gNext_spark++;
		441	if (gNext_spark >= COUNT_OF(gSparks)) {
		442	gNext_spark = 0;
		443	}
		444	}
		445
		446	// IDA: void __usercall CreateSparks(br_vector3 pos@<EAX>, br_vector3 v@<EDX>, br_vector3 pForce@<EBX>, br_scalar sparkiness, tCar_spec pCar)
		447	void CreateSparks(br_vector3* pos, br_vector3* v, br_vector3* pForce, br_scalar sparkiness, tCar_spec* pCar) {
		448	br_vector3 norm;
		449	br_vector3 normal;
		450	br_vector3 tv;
		451	br_vector3 tv2;
		452	br_vector3 pos2;
		453	br_scalar ts;
		454	br_scalar ts2;
		455	int num;
		456	int i;
		457	LOG_TRACE("(%p, %p, %p, %f, %p)", pos, v, pForce, sparkiness, pCar);
		458
		459	ts = BrVector3Length(pForce);
		460	BrVector3InvScale(&normal, pForce, ts);
		461	ts2 = BrVector3Dot(pForce, v);
		462	if (ts2 >= 0) {
		463	ts2 = 1.f / (10.f * ts);
		464	} else {
		465	ts2 = 1.f / (10.f * ts) - ts2 / (ts * ts);
		466	}
		467
		468	BrVector3Scale(&norm, pForce, ts2);
		469	BrVector3Accumulate(v, &norm);
		470	num = FRandomBetween(0.f, BrVector3Length(v) / 2.f + 0.7f) * sparkiness;
		471
		472	if (num > 10) {
		473	num = 10;
		474	}
		475	for (i = 0; i < num; i++) {
		476	BrVector3Copy(&gSparks[gNext_spark].pos, pos);
		477	BrVector3Copy(&gSparks[gNext_spark].normal, &normal);
		478	BrVector3Copy(&gSparks[gNext_spark].v, v);
		479	gSparks[gNext_spark].v.v[0] *= FRandomBetween(.5f, .9f);
		480	gSparks[gNext_spark].v.v[1] *= FRandomBetween(.5f, .9f);
		481	gSparks[gNext_spark].v.v[2] *= FRandomBetween(.5f, .9f);
		482	gSparks[gNext_spark].count = 1000;
		483	gSparks[gNext_spark].car = NULL;
		484	gSpark_flags \|= 1u << gNext_spark;
		485	gSparks[gNext_spark].time_sync = gMechanics_time_sync;
		486	gSparks[gNext_spark].colour = 0;
		487	gNext_spark++;
		488	if (gNext_spark >= COUNT_OF(gSparks)) {
		489	gNext_spark = 0;
		490	}
		491	}
		492	if ((ts * sparkiness) >= 10.f) {
		493	tv.v[0] = pos->v[0] - pCar->car_master_actor->t.t.translate.t.v[0] / WORLD_SCALE;
		494	tv.v[1] = pos->v[1] - pCar->car_master_actor->t.t.translate.t.v[1] / WORLD_SCALE;
		495	tv.v[2] = pos->v[2] - pCar->car_master_actor->t.t.translate.t.v[2] / WORLD_SCALE;
		496	BrMatrix34TApplyV(&pos2, &tv, &pCar->car_master_actor->t.t.mat);
		497	BrMatrix34TApplyV(&norm, &normal, &pCar->car_master_actor->t.t.mat);
		498	BrVector3Scale(&tv, &norm, .1f);
		499	BrVector3Accumulate(&pos2, &tv);
		500	num = (ts * sparkiness / 10.f) + 3;
		501	if (num > 10) {
		502	num = 10;
		503	}
		504	for (i = 0; i < num; i++) {
		505	BrVector3Copy(&gSparks[gNext_spark].pos, &pos2);
		506	BrVector3Copy(&gSparks[gNext_spark].normal, &norm);
		507	BrVector3SetFloat(&tv, FRandomBetween(-1.f, 1.f), FRandomBetween(-.2f, 1.f), FRandomBetween(-1.f, 1.f));
		508	ts2 = BrVector3Dot(&norm, &tv);
		509	BrVector3Scale(&tv2, &norm, ts2);
		510	BrVector3Sub(&gSparks[gNext_spark].v, &tv, &tv2);
		511	gSparks[gNext_spark].count = 1000;
		512	gSparks[gNext_spark].car = pCar;
		513	gSpark_flags \|= 1u << gNext_spark;
		514	gSparks[gNext_spark].time_sync = gMechanics_time_sync;
		515	gSparks[gNext_spark].colour = 0;
		516	gNext_spark++;
		517	if (gNext_spark >= COUNT_OF(gSparks)) {
		518	gNext_spark = 0;
		519	}
		520	}
		521	CreateShrapnelShower(pos, v, &normal, ts, pCar, pCar);
		522	}
		523	}
		524
		525	// IDA: void __usercall CreateSparkShower(br_vector3 pos@<EAX>, br_vector3 v@<EDX>, br_vector3 pForce@<EBX>, tCar_spec pCar1@<ECX>, tCar_spec *pCar2)
		526	void CreateSparkShower(br_vector3* pos, br_vector3* v, br_vector3* pForce, tCar_spec* pCar1, tCar_spec* pCar2) {
		527	br_scalar ts;
		528	br_scalar ts2;
		529	int num;
		530	int i;
		531	tCar_spec* c;
		532	br_vector3 tv;
		533	//br_vector3 tv2; // Pierre-Marie Baty -- unused variable
		534	br_vector3 normal;
		535	LOG_TRACE("(%p, %p, %p, %p, %p)", pos, v, pForce, pCar1, pCar2);
		536
		537	ts = BrVector3Length(pForce);
		538	if (pCar1->driver == eDriver_local_human) {
		539	c = pCar1;
		540	} else {
		541	c = pCar2;
		542	}
		543	BrVector3InvScale(&tv, pForce, ts);
		544	if (ts < 10.f) {
		545	return;
		546	}
		547	CreateShrapnelShower(pos, v, &tv, ts, pCar1, pCar2);
		548	ts2 = BrVector3Dot(pForce, v) / (ts * ts);
		549	BrVector3Scale(v, pForce, ts2);
		550	normal.v[0] = pos->v[0] - c->car_master_actor->t.t.translate.t.v[0] / WORLD_SCALE;
		551	normal.v[1] = pos->v[1] - c->car_master_actor->t.t.translate.t.v[1] / WORLD_SCALE;
		552	normal.v[2] = pos->v[2] - c->car_master_actor->t.t.translate.t.v[2] / WORLD_SCALE;
		553	BrMatrix34TApplyV(pos, &normal, &c->car_master_actor->t.t.mat);
		554	BrMatrix34TApplyV(&normal, pForce, &c->car_master_actor->t.t.mat);
		555	num = (ts / 10.f) + 3;
		556	for (i = 0; i < num; i++) {
		557	BrVector3Copy(&gSparks[gNext_spark].pos, pos);
		558	BrVector3SetFloat(&gSparks[gNext_spark].normal, 0.f, 0.f, 0.f);
		559	BrVector3SetFloat(&normal, FRandomBetween(-1.f, 1.f), FRandomBetween(-.2f, 1.f), FRandomBetween(-1.f, 1.f));
		560	ts2 = BrVector3LengthSquared(&normal) / (ts * ts);
		561	BrVector3Scale(&tv, &normal, ts2);
		562	BrVector3Sub(&gSparks[gNext_spark].v, &normal, &tv);
		563	BrVector3Accumulate(&gSparks[gNext_spark].v, v);
		564	gSparks[gNext_spark].count = 1000;
		565	gSparks[gNext_spark].car = c;
		566	gSpark_flags \|= 1u << gNext_spark;
		567	gSparks[gNext_spark].time_sync = gMechanics_time_sync;
		568	gSparks[gNext_spark].colour = 0;
		569	gNext_spark++;
		570	if (gNext_spark >= COUNT_OF(gSparks)) {
		571	gNext_spark = 0;
		572	}
		573	}
		574	}
		575
		576	// IDA: void __usercall AdjustSpark(int pSpark_num@<EAX>, br_vector3 pos@<EDX>, br_vector3 length@<EBX>)
		577	void AdjustSpark(int pSpark_num, br_vector3* pos, br_vector3* length) {
		578	br_vector3 tv;
		579	br_matrix34* mat;
		580	int i;
		581	LOG_TRACE("(%d, %p, %p)", pSpark_num, pos, length);
		582
		583	i = pSpark_num & 0xff;
		584	gSpark_flags \|= 1u << pSpark_num;
		585	if (gSparks[i].car != NULL) {
		586	mat = &gSparks[i].car->car_master_actor->t.t.mat;
		587	tv.v[0] = pos->v[0] - mat->m[3][0];
		588	tv.v[1] = pos->v[0] - mat->m[3][1];
		589	tv.v[2] = pos->v[0] - mat->m[3][2];
		590	BrMatrix34TApplyV(&gSparks[i].pos, &tv, mat);
		591	} else {
		592	gSparks[i].pos.v[0] = pos->v[0];
		593	gSparks[i].pos.v[1] = pos->v[1];
		594	gSparks[i].pos.v[2] = pos->v[2];
		595	}
		596	gSparks[i].length.v[0] = length->v[0];
		597	gSparks[i].length.v[1] = length->v[1];
		598	gSparks[i].length.v[2] = length->v[2];
		599	gSparks[i].colour = pSpark_num >> 8;
		600	}
		601
		602	// IDA: void __usercall AdjustShrapnel(int pShrapnel_num@<EAX>, br_vector3 pos@<EDX>, tU16 pAge@<EBX>, br_material pMaterial@<ECX>)
		603	void AdjustShrapnel(int pShrapnel_num, br_vector3* pos, tU16 pAge, br_material* pMaterial) {
		604	int i;
		605	LOG_TRACE("(%d, %p, %d, %p)", pShrapnel_num, pos, pAge, pMaterial);
		606
		607	i = pShrapnel_num & 0x7fff;
		608	if (!(gShrapnel_flags & (1u << i))) {
		609	BrActorAdd(gNon_track_actor, gShrapnel[i].actor);
		610	}
		611	gShrapnel_flags \|= 1u << i;
		612	gShrapnel[i].actor->t.t.translate.t.v[0] = pos->v[0];
		613	gShrapnel[i].actor->t.t.translate.t.v[1] = pos->v[1];
		614	gShrapnel[i].actor->t.t.translate.t.v[2] = pos->v[2];
		615	if (pShrapnel_num & 0x8000) {
		616	gShrapnel[i].age = pAge;
		617	gShrapnel[i].actor->material = pMaterial;
		618	}
		619	}
		620
		621	// IDA: void __cdecl ResetSparks()
		622	void ResetSparks(void) {
		623	LOG_TRACE("()");
		624
		625	gSpark_flags = 0;
		626	}
		627
		628	// IDA: void __cdecl ResetShrapnel()
		629	void ResetShrapnel(void) {
		630	int i;
		631	LOG_TRACE("()");
		632
		633	if (gShrapnel_flags == 0) {
		634	return;
		635	}
		636	for (i = 0; i < COUNT_OF(gShrapnel); i++) {
		637	if (gShrapnel_flags & (1u << i)) {
		638	BrActorRemove(gShrapnel[i].actor);
		639	}
		640	}
		641	gShrapnel_flags = 0;
		642	}
		643
		644	// IDA: void __usercall CreateShrapnelShower(br_vector3 pos@<EAX>, br_vector3 v@<EDX>, br_vector3 pNormal@<EBX>, br_scalar pForce, tCar_spec c1, tCar_spec *c2)
		645	void CreateShrapnelShower(br_vector3* pos, br_vector3* v, br_vector3* pNormal, br_scalar pForce, tCar_spec* c1, tCar_spec* c2) {
		646	br_scalar ts;
		647	br_scalar ts2;
		648	br_scalar rnd;
		649	int num;
		650	int i;
		651	tCar_spec* c;
		652	br_vector3 tv;
		653	br_vector3 tv2;
		654	br_vector3 vel;
		655	LOG_TRACE("(%p, %p, %p, %f, %p, %p)", pos, v, pNormal, pForce, c1, c2);
		656
		657	if (pForce < 10.f) {
		658	return;
		659	}
		660	ts = .3f;
		661	if (v->v[1] < 0.f) {
		662	ts = .3f - v->v[1];
		663	}
		664	ts2 = pNormal->v[1] * ts;
		665
		666	tv.v[0] = v->v[0] - ts2 * pNormal->v[0];
		667	tv.v[1] = v->v[1] + ts - pNormal->v[1] * ts2;
		668	tv.v[2] = v->v[2] - pNormal->v[2] * ts2;
		669
		670	num = (pForce / 10.f) * 3;
		671	rnd = ((pForce + 20.f) * 3.f) / 200.f;
		672	for (i = 0; i < num; i++) {
		673	if ((gShrapnel_flags & (1u << gNext_shrapnel)) == 0) {
		674	BrActorAdd(gNon_track_actor, gShrapnel[gNext_shrapnel].actor);
		675	}
		676	gShrapnel_flags \|= 1u << gNext_shrapnel;
		677	BrVector3Copy(&gShrapnel[gNext_shrapnel].actor->t.t.translate.t, pos);
		678	BrVector3SetFloat(&vel, FRandomBetween(-rnd, rnd), FRandomBetween(0.3f - tv.v[1], rnd), FRandomBetween(-rnd, rnd));
		679	ts2 = BrVector3Dot(pNormal, &vel);
		680	BrVector3Scale(&tv2, pNormal, ts2);
		681	BrVector3Sub(&gShrapnel[gNext_shrapnel].v, &vel, &tv2);
		682	BrVector3Accumulate(&gShrapnel[gNext_shrapnel].v, &tv);
		683	gShrapnel[gNext_shrapnel].time_sync = gMechanics_time_sync;
		684	gShrapnel[gNext_shrapnel].age = 0;
		685	if (IRandomBetween(0, 2) != 0) {
		686	c = (IRandomBetween(0, 1) != 0) ? c1 : c2;
		687	gShrapnel[gNext_shrapnel].actor->material = c->shrapnel_material[IRandomBetween(0, c->max_shrapnel_material - 1)];
		688	} else {
		689	gShrapnel[gNext_shrapnel].actor->material = gBlack_material;
		690	}
		691	gNext_shrapnel++;
		692	if (gNext_shrapnel >= COUNT_OF(gShrapnel)) {
		693	gNext_shrapnel = 0;
		694	}
		695	}
		696	}
		697
		698	// IDA: void __cdecl InitShrapnel()
		699	void InitShrapnel(void) {
		700	int i;
		701	//int j; // Pierre-Marie Baty -- unused variable
		702	LOG_TRACE("()");
		703
		704	for (i = 0; i < COUNT_OF(gShrapnel); i++) {
		705	gShrapnel[i].actor = BrActorAllocate(BR_ACTOR_MODEL, NULL);
		706	gShrapnel[i].actor->parent = NULL;
		707	gShrapnel[i].actor->model = gShrapnel_model[1];
		708	gShrapnel[i].actor->render_style = BR_RSTYLE_DEFAULT;
		709	gShrapnel[i].actor->t.type = BR_TRANSFORM_MATRIX34;
		710	gShrapnel[i].actor->material = BrMaterialFind("DEBRIS.MAT");
		711	gShrapnel[i].age = 0;
		712	gShrapnel[i].shear1 = FRandomBetween(-2.f, 2.f);
		713	gShrapnel[i].shear2 = FRandomBetween(-2.f, 2.f);
		714	BrVector3SetFloat(&gShrapnel[i].axis,
		715	FRandomBetween(-1.f, 1.f), FRandomBetween(-1.f, 1.f), FRandomBetween(-1.f, 1.f));
		716	BrVector3Normalise(&gShrapnel[i].axis, &gShrapnel[i].axis);
		717	}
		718	}
		719
		720	// IDA: void __cdecl LoadInShrapnel()
		721	void LoadInShrapnel(void) {
		722	LOG_TRACE("()");
		723
		724	gShrapnel_model[0] = LoadModel("FRAG4.DAT");
		725	gShrapnel_model[1] = LoadModel("FRAG5.DAT");
		726	BrModelAdd(gShrapnel_model[0]);
		727	BrModelAdd(gShrapnel_model[1]);
		728	gBlack_material = BrMaterialFind("M14.MAT");
		729	}
		730
		731	// IDA: void __usercall KillShrapnel(int i@<EAX>)
		732	void KillShrapnel(int i) {
		733	LOG_TRACE("(%d)", i);
		734
		735	BrActorRemove(gShrapnel[i].actor);
		736	gShrapnel_flags &= ~(1u << i);
		737	}
		738
		739	// IDA: void __cdecl DisposeShrapnel()
		740	void DisposeShrapnel(void) {
		741	int i;
		742	LOG_TRACE("()");
		743
		744	for (i = 0; i < COUNT_OF(gShrapnel); i++) {
		745	if (gShrapnel_flags & (1u << i)) {
		746	BrActorRemove(gShrapnel[i].actor);
		747	}
		748	BrActorFree(gShrapnel[i].actor);
		749	}
		750	gShrapnel_flags = 0;
		751	for (i = 0; i < COUNT_OF(gShrapnel_model); i++) {
		752	BrModelRemove(gShrapnel_model[i]);
		753	BrModelFree(gShrapnel_model[i]);
		754	}
		755	}
		756
		757	// IDA: void __usercall ReplayShrapnel(tU32 pTime@<EAX>)
		758	void ReplayShrapnel(tU32 pTime) {
		759	int i;
		760	br_matrix34* mat;
		761	LOG_TRACE("(%d)", pTime);
		762
		763	for (i = 0; i < COUNT_OF(gShrapnel); i++) {
		764	mat = &gShrapnel[i].actor->t.t.mat;
		765	if (gShrapnel_flags & (1 << i)) {
		766	gShrapnel[i].age += GetReplayRate() * pTime;
		767	DrMatrix34Rotate(mat, gShrapnel[i].age * BrDegreeToAngle(1), &gShrapnel[i].axis);
		768	BrMatrix34PreShearX(mat, gShrapnel[i].shear1, gShrapnel[i].shear2);
		769	}
		770	}
		771	}
		772
		773	// IDA: void __usercall MungeShrapnel(tU32 pTime@<EAX>)
		774	void MungeShrapnel(tU32 pTime) {
		775	br_vector3 disp;
		776	int i;
		777	br_matrix34* mat;
		778	br_scalar ts;
		779	LOG_TRACE("(%d)", pTime);
		780
		781	MungeSmokeColumn(pTime);
		782	MungeSplash(pTime);
		783
		784	if (gAction_replay_mode) {
		785	ReplayShrapnel(pTime);
		786	return;
		787	}
		788
		789	StartPipingSession(ePipe_chunk_shrapnel);
		790	for (i = 0; i < COUNT_OF(gShrapnel); i++) {
		791	mat = &gShrapnel[i].actor->t.t.mat;
		792	if (((1u << i) & gShrapnel_flags) == 0) {
		793	continue;
		794	}
		795	if (gShrapnel[i].age == -1) {
		796	KillShrapnel(i);
		797	} else {
		798	if (gShrapnel[i].time_sync) {
		799	BrVector3Scale(&disp, &gShrapnel[i].v, gShrapnel[i].time_sync / 1000.0f);
		800	gShrapnel[i].time_sync = 0;
		801	} else {
		802	BrVector3Scale(&disp, &gShrapnel[i].v, pTime / 1000.0f);
		803	gShrapnel[i].age += pTime;
		804	}
		805	mat->m[3][0] = mat->m[3][0] + disp.v[0];
		806	mat->m[3][1] = mat->m[3][1] + disp.v[1];
		807	mat->m[3][2] = mat->m[3][2] + disp.v[2];
		808	gShrapnel[i].v.v[1] -= (10 * pTime) * 0.00014492753f;
		809	DrMatrix34Rotate(mat, 182 * gShrapnel[i].age, &gShrapnel[i].axis);
		810	BrMatrix34PreShearX(mat, gShrapnel[i].shear1, gShrapnel[i].shear2);
		811	// bug: should this be using "&gShrapnel[i].v"??
		812	ts = 1.0 - BrVector3Length(&gSparks[i].v) / 1.4 * pTime / 1000.0;
		813	if (ts < 0.1) {
		814	ts = (br_scalar) 0.1; // Pierre-Marie Baty -- added type cast
		815	}
		816	BrVector3Scale(&gShrapnel[i].v, &gShrapnel[i].v, ts);
		817	AddShrapnelToPipingSession(i + ((gShrapnel[i].age > 1000 \|\| gShrapnel[i].age < pTime) << 15), (br_vector3*)mat->m[3], gShrapnel[i].age - pTime, gShrapnel[i].actor->material);
		818	if (gShrapnel[i].age > 1000) {
		819	gShrapnel[i].age = -1;
		820	}
		821	}
		822	}
		823	EndPipingSession();
		824	}
		825
		826	// IDA: void __usercall DrMatrix34Rotate(br_matrix34 mat@<EAX>, br_angle r@<EDX>, br_vector3 a@<EBX>)
		827	void DrMatrix34Rotate(br_matrix34* mat, br_angle r, br_vector3* a) {
		828	br_scalar t;
		829	br_scalar s;
		830	br_scalar c;
		831	br_scalar txy;
		832	br_scalar txz;
		833	br_scalar tyz;
		834	br_scalar sx;
		835	br_scalar sy;
		836	br_scalar sz;
		837	LOG_TRACE("(%p, %d, %p)", mat, r, a);
		838
		839	s = FastScalarSinAngle(r);
		840	c = FastScalarCosAngle(r);
		841	t = 1.0f - c;
		842	txy = t * a->v[0] * a->v[1];
		843	txz = t * a->v[0] * a->v[2];
		844	tyz = t * a->v[1] * a->v[2];
		845	sx = a->v[0] * s;
		846	sy = a->v[1] * s;
		847	sz = a->v[2] * s;
		848	mat->m[0][0] = a->v[0] * a->v[0] * t + c;
		849	mat->m[0][1] = sz + txy;
		850	mat->m[0][2] = txz - sy;
		851	mat->m[1][0] = txy - sz;
		852	mat->m[1][1] = a->v[1] * a->v[1] * t + c;
		853	mat->m[1][2] = sx + tyz;
		854	mat->m[2][0] = sy + txz;
		855	mat->m[2][1] = tyz - sx;
		856	mat->m[2][2] = a->v[2] * a->v[2] * t + c;
		857	}
		858
		859	// IDA: void __usercall SmokeLine(int l@<EAX>, int x@<EDX>, br_scalar zbuff, int r_squared, tU8 scr_ptr, tU16 depth_ptr, tU8 *shade_ptr, br_scalar r_multiplier, br_scalar z_multiplier, br_scalar shade_offset)
		860	void SmokeLine(int l, int x, br_scalar zbuff, int r_squared, tU8* scr_ptr, tU16* depth_ptr, tU8* shade_ptr, br_scalar r_multiplier, br_scalar z_multiplier, br_scalar shade_offset) {
		861	int i;
		862	int offset; /* Added by dethrace. */
		863	int r_multiplier_int;
		864	int shade_offset_int;
		865	tU16 z;
		866	LOG_TRACE("(%d, %d, %f, %d, %p, %p, %p, %f, %f, %f)", l, x, zbuff, r_squared, scr_ptr, depth_ptr, shade_ptr, r_multiplier, z_multiplier, shade_offset);
		867
		868	scr_ptr += gOffset;
		869	if (gProgram_state.cockpit_on) {
		870	depth_ptr += gOffset;
		871	}
		872	z = (1.f - zbuff) * 32768.0f;
		873	r_multiplier_int = r_multiplier * 65536.0f;
		874	shade_offset_int = shade_offset * 65536.0f;
		875
		876	for (i = 0; i < l; i++) {
		877	if (*depth_ptr > z) {
		878	offset = ((shade_offset_int - r_squared * r_multiplier_int) >> 8) & 0xffffff00;
		879	#if defined(DETHRACE_FIX_BUGS)
		880	/* Prevent buffer underflows by capping negative offsets. */
		881	offset = MAX(0, offset);
		882	#endif
		883	scr_ptr = shade_ptr[scr_ptr + offset];
		884	}
		885	r_multiplier = x + r_squared;
		886	scr_ptr++;
		887	x++;
		888	depth_ptr++;
		889	r_squared = x + r_multiplier;
		890	}
		891	}
		892
		893	// IDA: void __usercall SmokeCircle(br_vector3 o@<EAX>, br_scalar r, br_scalar extra_z, br_scalar strength, br_scalar pAspect, br_pixelmap pRender_screen, br_pixelmap pDepth_buffer, br_pixelmap pShade_table)
		894	void SmokeCircle(br_vector3* o, br_scalar r, br_scalar extra_z, br_scalar strength, br_scalar pAspect, br_pixelmap* pRender_screen, br_pixelmap* pDepth_buffer, br_pixelmap* pShade_table) {
		895	tU8* scr_ptr;
		896	tU16* depth_ptr;
		897	tU8* shade_ptr;
		898	tU8* osp;
		899	tU16* odp;
		900	int ox;
		901	int oy;
		902	//int i; // Pierre-Marie Baty -- unused variable
		903	int r_squared;
		904	int max_r_squared;
		905	int l;
		906	int l2;
		907	int x;
		908	int x2;
		909	//int sx; // Pierre-Marie Baty -- unused variable
		910	int y;
		911	int inc;
		912	int y_limit;
		913	int max_x;
		914	int min_x;
		915	br_scalar shade_offset;
		916	br_scalar r_multiplier;
		917	br_scalar ry;
		918	br_scalar z_multiplier;
		919	br_scalar zbuff;
		920	br_scalar aspect_squared;
		921	void (line)(int, int, br_scalar, int, tU8, tU16, tU8, br_scalar, br_scalar, br_scalar);
		922	LOG_TRACE("(%p, %f, %f, %f, %f, %p, %p, %p)", o, r, extra_z, strength, pAspect, pRender_screen, pDepth_buffer, pShade_table);
		923
		924	line = SmokeLine;
		925	ox = pRender_screen->width / 2 + o->v[0];
		926	oy = pRender_screen->height / 2 + o->v[1];
		927	max_r_squared = r * r;
		928	zbuff = o->v[2];
		929	aspect_squared = pAspect * pAspect;
		930	if (pRender_screen->width / 4 <= r
		931	\|\| pRender_screen->width <= ox - r
		932	\|\| ox + r < 0.0f) {
		933	return;
		934	}
		935	shade_ptr = (tU8)pShade_table->pixels + pShade_table->row_bytes (pShade_table->base_y + 1);
		936	shade_offset = strength * 14.99f;
		937	r_multiplier = shade_offset / (double)max_r_squared;
		938	z_multiplier = extra_z / (double)max_r_squared;
		939	max_x = pRender_screen->width - ox - 1;
		940	min_x = -ox;
		941	ry = r / pAspect;
		942	l = pRender_screen->height - oy - 1;
		943	scr_ptr = pRender_screen->pixels;
		944	scr_ptr += pRender_screen->base_x + pRender_screen->base_y * pRender_screen->row_bytes + ox + l * pRender_screen->row_bytes;
		945	depth_ptr = (tU16)pDepth_buffer->pixels + ox + l (pDepth_buffer->row_bytes / 2);
		946	osp = scr_ptr;
		947	odp = depth_ptr;
		948	if (pRender_screen->height > oy && oy + ry >= 0.0) {
		949	r_squared = r * r;
		950	inc = -r;
		951	y = 0;
		952	y_limit = ry;
		953	if (oy < 0) {
		954	y = -oy;
		955	r_squared = (y * y) * aspect_squared;
		956	scr_ptr += oy * pRender_screen->row_bytes;
		957	depth_ptr += oy * (pDepth_buffer->row_bytes / 2);
		958	inc = -sqrtf(max_r_squared - r_squared);
		959	r_squared += inc * inc;
		960	}
		961	if (pRender_screen->height < oy + ry) {
		962	y_limit = pRender_screen->height - oy - 1;
		963	}
		964	l = -2 * inc;
		965	scr_ptr += inc;
		966	depth_ptr += inc;
		967	gOffset = 0;
		968	while (1) {
		969
		970	x = inc + gOffset;
		971	if (min_x <= inc + gOffset && l + x - 1 <= max_x) {
		972	line(l, inc, zbuff, r_squared, scr_ptr, depth_ptr, shade_ptr, r_multiplier, z_multiplier, shade_offset);
		973	} else {
		974	if (max_x < x \|\| l + x < min_x) {
		975	break;
		976	}
		977	x2 = l;
		978	if (l + x - 1 - max_x > 0) {
		979	x2 = max_x - (x - 1);
		980	}
		981	if (min_x - x <= 0) {
		982	line(x2, inc, zbuff, r_squared, scr_ptr, depth_ptr, shade_ptr, r_multiplier, z_multiplier, shade_offset);
		983	} else {
		984	line(x2 - (min_x - x), min_x - x + inc, zbuff, y * y + (min_x - x + inc) * (min_x - x + inc), &scr_ptr[min_x - x], &depth_ptr[min_x - x], shade_ptr, r_multiplier, z_multiplier, shade_offset);
		985	}
		986	}
		987	if (y_limit <= y) {
		988	break;
		989	}
		990	y++;
		991	scr_ptr -= pRender_screen->row_bytes;
		992	depth_ptr -= pDepth_buffer->row_bytes / 2;
		993	for (r_squared += (2 * y - 1) * aspect_squared; max_r_squared < r_squared && inc < 0; r_squared += 2 * inc - 1) {
		994	inc++;
		995	scr_ptr++;
		996	depth_ptr++;
		997	l -= 2;
		998	}
		999	gOffset += IRandomBetween(-1, 1);
		1000	if (gOffset > r / 5.f) {
		1001	gOffset = r / 5.f;
		1002	}
		1003	if (gOffset < -(r / 5.f)) {
		1004	gOffset = -(r / 5.f);
		1005	}
		1006	}
		1007	}
		1008	if (pAspect < 1.0) {
		1009	aspect_squared = 9.f;
		1010	ry = r / 3.f;
		1011	}
		1012	if (oy > 0 && oy <= pRender_screen->height + ry - 2.f) {
		1013	r_squared = (r * r);
		1014	inc = -r;
		1015	y = 0;
		1016	scr_ptr = osp;
		1017	depth_ptr = odp;
		1018	y_limit = ry;
		1019	if (pRender_screen->height < oy) {
		1020	l2 = oy - pRender_screen->height;
		1021	y = pRender_screen->height - oy;
		1022	r_squared = y * y * aspect_squared;
		1023	scr_ptr = &osp[l2 * pRender_screen->row_bytes];
		1024	depth_ptr = &odp[l2 * (pDepth_buffer->row_bytes / 2)];
		1025	inc = -sqrtf(max_r_squared - r_squared);
		1026	r_squared += inc * inc;
		1027	}
		1028	if (oy - ry < 0.f) {
		1029	y_limit = oy;
		1030	}
		1031	l = -2 * inc;
		1032	scr_ptr += inc;
		1033	depth_ptr += inc;
		1034	gOffset = 0;
		1035	do {
		1036	y--;
		1037	scr_ptr += pRender_screen->row_bytes;
		1038	depth_ptr += pDepth_buffer->row_bytes / 2;
		1039	for (r_squared -= (2 * y - 1) * aspect_squared; max_r_squared < r_squared && inc < 0; r_squared += 2 * inc - 1) {
		1040	inc++;
		1041	scr_ptr++;
		1042	depth_ptr++;
		1043	l -= 2;
		1044	}
		1045	x = inc + gOffset;
		1046	if (min_x <= inc + gOffset && l + x - 1 <= max_x) {
		1047	line(l, inc, zbuff, r_squared, scr_ptr, depth_ptr, shade_ptr, r_multiplier, z_multiplier, shade_offset);
		1048	} else {
		1049	if (max_x < x \|\| l + x < min_x) {
		1050	return;
		1051	}
		1052	x2 = l;
		1053	if (l + x - 1 - max_x > 0) {
		1054	x2 = max_x - (x - 1);
		1055	}
		1056	if (min_x - x <= 0) {
		1057	line(x2, inc, zbuff, r_squared, scr_ptr, depth_ptr, shade_ptr, r_multiplier, z_multiplier, shade_offset);
		1058	} else {
		1059	line(x2 - (min_x - x), min_x - x + inc, zbuff, y * y + (min_x - x + inc) * (min_x - x + inc), &scr_ptr[min_x - x], &depth_ptr[min_x - x], shade_ptr, r_multiplier, z_multiplier, shade_offset);
		1060	}
		1061	}
		1062	gOffset += IRandomBetween(-1, 1);
		1063	if (gOffset > r / 5.0) {
		1064	gOffset = r / 5.0;
		1065	}
		1066	if (gOffset < -(r / 5.0)) {
		1067	gOffset = -r / 5.0;
		1068	}
		1069	} while (-y < y_limit);
		1070	}
		1071	}
		1072
		1073	// IDA: int __cdecl CmpSmokeZ(void p1, void p2)
		1074	int CmpSmokeZ(void* p1, void* p2) {
		1075	//tBRender_smoke** a; // Pierre-Marie Baty -- unused variable
		1076	//tBRender_smoke** b; // Pierre-Marie Baty -- unused variable
		1077	LOG_TRACE("(%p, %p)", p1, p2);
		1078	NOT_IMPLEMENTED();
		1079	}
		1080
		1081	// IDA: void __cdecl RenderRecordedSmokeCircles()
		1082	void RenderRecordedSmokeCircles(void) {
		1083	//int i; // Pierre-Marie Baty -- unused variable
		1084	//tBRender_smoke* smoke; // Pierre-Marie Baty -- unused variable
		1085	//tU8 red; // Pierre-Marie Baty -- unused variable
		1086	//tU8 grn; // Pierre-Marie Baty -- unused variable
		1087	//tU8 blu; // Pierre-Marie Baty -- unused variable
		1088	LOG_TRACE("()");
		1089	NOT_IMPLEMENTED();
		1090	}
		1091
		1092	// IDA: void __usercall RecordSmokeCircle(br_vector3 pCent@<EAX>, br_scalar pR, br_scalar pStrength, br_pixelmap pShade, br_scalar pAspect)
		1093	void RecordSmokeCircle(br_vector3* pCent, br_scalar pR, br_scalar pStrength, br_pixelmap* pShade, br_scalar pAspect) {
		1094	//tU8 shade_index; // Pierre-Marie Baty -- unused variable
		1095	//br_colour shade_rgb; // Pierre-Marie Baty -- unused variable
		1096	LOG_TRACE("(%p, %f, %f, %p, %f)", pCent, pR, pStrength, pShade, pAspect);
		1097	NOT_IMPLEMENTED();
		1098	}
		1099
		1100	// IDA: void __usercall SmokeCircle3D(br_vector3 o@<EAX>, br_scalar r, br_scalar strength, br_scalar pAspect, br_pixelmap pRender_screen, br_pixelmap pDepth_buffer, br_pixelmap pShade_table, br_actor *pCam)
		1101	void SmokeCircle3D(br_vector3* o, br_scalar r, br_scalar strength, br_scalar pAspect, br_pixelmap* pRender_screen, br_pixelmap* pDepth_buffer, br_pixelmap* pShade_table, br_actor* pCam) {
		1102	br_vector3 tv;
		1103	br_vector3 p;
		1104	br_vector4 o2;
		1105	br_camera* cam;
		1106	int scaled_r;
		1107	br_scalar extra_z;
		1108	LOG_TRACE("(%p, %f, %f, %f, %p, %p, %p, %p)", o, r, strength, pAspect, pRender_screen, pDepth_buffer, pShade_table, pCam);
		1109
		1110	cam = pCam->type_data;
		1111	srand(o->v[2] * 16777216.0f + o->v[1] * 65536.0f + o->v[0] * 256.0f + r);
		1112	BrVector3Sub(&tv, o, (br_vector3*)gCamera_to_world.m[3]);
		1113	BrMatrix34TApplyV(&p, &tv, &gCamera_to_world);
		1114
		1115	if (-p.v[2] >= cam->hither_z && -p.v[2] <= cam->yon_z) {
		1116	scaled_r = gCameraToScreen.m[0][0] * r / -p.v[2];
		1117	extra_z = gCameraToScreen.m[3][2] * r / (p.v[2] * p.v[2]);
		1118	BrMatrix4ApplyP(&o2, &p, &gCameraToScreen);
		1119	BrVector3InvScale(&p, &o2, o2.v[3]);
		1120	SmokeCircle(&p, (br_scalar)scaled_r, extra_z, strength, pAspect, pRender_screen, pDepth_buffer, pShade_table);
		1121	}
		1122	}
		1123
		1124	// IDA: void __usercall ReplaySmoke(br_pixelmap pRender_screen@<EAX>, br_pixelmap pDepth_buffer@<EDX>, br_actor *pCamera@<EBX>)
		1125	void ReplaySmoke(br_pixelmap* pRender_screen, br_pixelmap* pDepth_buffer, br_actor* pCamera) {
		1126	br_scalar aspect;
		1127	int i;
		1128	LOG_TRACE("(%p, %p, %p)", pRender_screen, pDepth_buffer, pCamera);
		1129
		1130	for (i = 0; i < COUNT_OF(gSmoke_column); i++) {
		1131	if (gSmoke_flags & (1 << i)) {
		1132	aspect = 1.f + (gSmoke[i].radius - .05f) / .25f * .5f;
		1133	if (gSmoke[i].type & 0x10) {
		1134	SmokeCircle3D(&gSmoke[i].pos, gSmoke[i].radius / aspect, gSmoke[i].strength, 1.f,
		1135	pRender_screen, pDepth_buffer, gShade_list[gSmoke[i].type & 0xf], pCamera);
		1136	} else {
		1137	SmokeCircle3D(&gSmoke[i].pos, gSmoke[i].radius, gSmoke[i].strength, aspect,
		1138	pRender_screen, pDepth_buffer, gShade_list[gSmoke[i].type & 0xf], pCamera);
		1139	}
		1140	}
		1141	}
		1142	}
		1143
		1144	// IDA: void __usercall GenerateContinuousSmoke(tCar_spec *pCar@<EAX>, int wheel@<EDX>, tU32 pTime@<EBX>)
		1145	void GenerateContinuousSmoke(tCar_spec* pCar, int wheel, tU32 pTime) {
		1146	br_vector3 pos;
		1147	br_vector3 v;
		1148	br_vector3 vcs;
		1149	br_vector3 tv;
		1150	br_scalar decay_factor;
		1151	br_scalar ts;
		1152	br_scalar alpha;
		1153	br_scalar beta;
		1154	int colour;
		1155	LOG_TRACE("(%p, %d, %d)", pCar, wheel, pTime);
		1156
		1157	if (pCar->dust_time[wheel] > (int) pTime) { // Pierre-Marie Baty -- added type cast
		1158	pCar->dust_time[wheel] -= pTime;
		1159	return;
		1160	}
		1161	pCar->dust_time[wheel] += IRandomBetween(200, 400) - pTime;
		1162	if (pCar->dust_time[wheel] < 0) {
		1163	pCar->dust_time[wheel] = 0;
		1164	}
		1165	BrVector3Cross(&tv, &pCar->omega, &pCar->wpos[wheel]);
		1166	BrVector3Scale(&vcs, &pCar->velocity_car_space, WORLD_SCALE * 1000.0f);
		1167	BrVector3Accumulate(&vcs, &tv);
		1168	ts = BrVector3LengthSquared(&vcs);
		1169	if (ts < 25.0f) {
		1170	return;
		1171	}
		1172	decay_factor = sqrtf(ts) / 25.0f;
		1173	if (decay_factor > 1.0f) {
		1174	decay_factor = 1.0f;
		1175	}
		1176	BrVector3InvScale(&tv, &pCar->wpos[wheel], WORLD_SCALE);
		1177	tv.v[1] -= pCar->oldd[wheel] / WORLD_SCALE;
		1178
		1179	alpha = -1000.0f;
		1180	if (vcs.v[2] > 0.0f) {
		1181	alpha = (pCar->bounds[0].min.v[2] - tv.v[2]) / vcs.v[2];
		1182	} else if (vcs.v[2] < 0.0f) {
		1183	alpha = (pCar->bounds[0].max.v[2] - tv.v[2]) / vcs.v[2];
		1184	}
		1185
		1186	beta = -1000.0f;
		1187	if (vcs.v[0] > 0.0f) {
		1188	beta = (pCar->bounds[0].min.v[0] - tv.v[0]) / vcs.v[0];
		1189	} else if (vcs.v[0] < 0.0f) {
		1190	beta = (pCar->bounds[0].max.v[0] - tv.v[0]) / vcs.v[0];
		1191	}
		1192
		1193	ts = MAX(alpha, beta);
		1194	BrVector3Scale(&pos, &vcs, ts);
		1195	BrVector3Accumulate(&tv, &pos);
		1196	BrMatrix34ApplyP(&pos, &tv, &pCar->car_master_actor->t.t.mat);
		1197	BrMatrix34ApplyV(&v, &vcs, &pCar->car_master_actor->t.t.mat);
		1198
		1199	colour = gDust_rotate + gCurrent_race.material_modifiers[pCar->material_index[wheel]].smoke_type - 2;
		1200	while (colour >= gNum_dust_tables) {
		1201	colour -= gNum_dust_tables;
		1202	}
		1203	CreatePuffOfSmoke(&pos, &v, decay_factor, decay_factor * 2, colour + 8, pCar);
		1204	}
		1205
		1206	// IDA: void __cdecl DustRotate()
		1207	void DustRotate(void) {
		1208	LOG_TRACE("()");
20	pmbaty	1209	NOT_IMPLEMENTED();
1	pmbaty	1210	}
		1211
		1212	// IDA: void __usercall RenderSmoke(br_pixelmap pRender_screen@<EAX>, br_pixelmap pDepth_buffer@<EDX>, br_actor pCamera@<EBX>, br_matrix34 pCamera_to_world@<ECX>, tU32 pTime)
		1213	void RenderSmoke(br_pixelmap* pRender_screen, br_pixelmap* pDepth_buffer, br_actor* pCamera, br_matrix34* pCamera_to_world, tU32 pTime) {
		1214	int i;
		1215	int j;
		1216	br_vector3 tv;
		1217	br_scalar aspect;
		1218	br_scalar ts;
		1219	tU32 seed;
		1220	tU32 not_lonely;
		1221	LOG_TRACE("(%p, %p, %p, %p, %d)", pRender_screen, pDepth_buffer, pCamera, pCamera_to_world, pTime);
		1222
		1223	not_lonely = 0;
		1224	DrawTheGlow(pRender_screen, pDepth_buffer, pCamera);
		1225
		1226	if (gSmoke_flags != 0) {
		1227	seed = rand();
		1228	if (gAction_replay_mode) {
		1229	ReplaySmoke(pRender_screen, pDepth_buffer, pCamera);
		1230	srand(seed);
		1231	} else {
		1232	StartPipingSession(ePipe_chunk_smoke);
		1233	for (i = 0; i < COUNT_OF(gSmoke); i++) {
		1234	if ((gSmoke_flags & (1u << i)) != 0) {
		1235	if (gSmoke[i].strength > 0.0) {
		1236	if (gSmoke[i].time_sync) {
		1237	BrVector3Scale(&tv, &gSmoke[i].v, gSmoke[i].time_sync / 1000.0);
		1238	gSmoke[i].time_sync = 0;
		1239	} else {
		1240	BrVector3Scale(&tv, &gSmoke[i].v, pTime / 1000.0);
		1241	}
		1242	BrVector3Accumulate(&gSmoke[i].pos, &tv);
		1243	} else {
		1244	gSmoke_flags &= ~(1u << i);
		1245	}
		1246	}
		1247	}
		1248	for (i = 0; i < COUNT_OF(gSmoke); i++) {
		1249	if ((gSmoke_flags & (1u << i)) != 0) {
		1250	if ((gSmoke[i].type & 0xf) == 7) {
		1251	not_lonely \|= 1u << i;
		1252	} else if ((not_lonely & (1u << i)) == 0) {
		1253	for (j = i + 1; j < COUNT_OF(gSmoke); j++) {
		1254	if ((gSmoke_flags & (1u << j)) != 0) {
		1255	BrVector3Sub(&tv, &gSmoke[i].pos, &gSmoke[i].pos);
		1256	ts = BrVector3LengthSquared(&tv);
		1257	if ((gSmoke[i].radius + gSmoke[j].radius) * (gSmoke[i].radius + gSmoke[j].radius) > ts) {
		1258	not_lonely \|= (1u << j) \| (1u << i);
		1259	break;
		1260	}
		1261	}
		1262	}
		1263	}
		1264	if (((1u << i) & not_lonely) == 0) {
		1265	gSmoke[i].strength = gSmoke[i].strength / 2.0;
		1266	}
		1267	aspect = (gSmoke[i].radius - 0.05f) / 0.25f * 0.5f + 1.0f;
		1268	if ((gSmoke[i].type & 0x10) != 0) {
		1269	SmokeCircle3D(&gSmoke[i].pos, gSmoke[i].radius / aspect, gSmoke[i].strength, 1.0, pRender_screen, pDepth_buffer, gShade_list[gSmoke[i].type & 0xf], pCamera);
		1270	} else {
		1271	SmokeCircle3D(&gSmoke[i].pos, gSmoke[i].radius, gSmoke[i].strength, aspect, pRender_screen, pDepth_buffer, gShade_list[gSmoke[i].type & 0xf], pCamera);
		1272	}
		1273	if (gSmoke[i].pipe_me) {
		1274	AddSmokeToPipingSession(i, gSmoke[i].type, &gSmoke[i].pos, gSmoke[i].radius, gSmoke[i].strength);
		1275	}
		1276	gSmoke[i].radius = (double)pTime / 1000.0 * gSmoke[i].strength * 0.5 + gSmoke[i].radius;
		1277	gSmoke[i].strength = gSmoke[i].strength - (double)pTime * gSmoke[i].decay_factor / 1000.0;
		1278	if (gSmoke[i].radius > 0.3f) {
		1279	gSmoke[i].radius = 0.3f;
		1280	}
		1281	if (gSmoke[i].strength > 0.0) {
		1282	ts = 1.0f - (double)pTime * 0.002f;
		1283	if (ts < 0.5f) {
		1284	ts = 0.5f;
		1285	}
		1286	BrVector3Scale(&gSmoke[i].v, &gSmoke[i].v, ts);
		1287	if (fabs(gSmoke[i].v.v[1]) < 0.43478259f && (gSmoke[i].type & 0xFu) < 7) {
		1288	if (gSmoke[i].v.v[1] >= 0.0) {
		1289	gSmoke[i].v.v[1] = 0.43478259f;
		1290	} else {
		1291	gSmoke[i].v.v[1] += 0.43478259f;
		1292	}
		1293	}
		1294	} else {
		1295	gSmoke_flags &= ~(1u << i);
		1296	}
		1297	}
		1298	}
		1299	EndPipingSession();
		1300	srand(seed);
		1301	}
		1302	}
		1303	}
		1304
		1305	// IDA: void __usercall CreatePuffOfSmoke(br_vector3 pos@<EAX>, br_vector3 v@<EDX>, br_scalar strength, br_scalar pDecay_factor, int pType, tCar_spec *pC)
		1306	void CreatePuffOfSmoke(br_vector3* pos, br_vector3* v, br_scalar strength, br_scalar pDecay_factor, int pType, tCar_spec* pC) {
		1307	br_vector3 tv;
		1308	//int pipe_me; // Pierre-Marie Baty -- unused variable
		1309	LOG_TRACE("(%p, %p, %f, %f, %d, %p)", pos, v, strength, pDecay_factor, pType, pC);
		1310
		1311	if (!gSmoke_on) {
		1312	return;
		1313	}
		1314	// if we are too far away from the current car...
		1315	BrVector3Sub(&tv, pos, &gProgram_state.current_car.pos);
		1316	if (BrVector3LengthSquared(&tv) > 625.0) {
		1317	// check the distance from the car we are viewing and if it is too far away also, just return
		1318	BrVector3Sub(&tv, pos, &gCar_to_view->pos);
		1319	if (&gProgram_state.current_car != gCar_to_view && BrVector3LengthSquared(&tv) > 625.0) {
		1320	return;
		1321	}
		1322	}
		1323
		1324	BrVector3InvScale(&gSmoke[gSmoke_num].v, v, WORLD_SCALE);
		1325	gSmoke[gSmoke_num].v.v[1] += (1.0f / WORLD_SCALE);
		1326	BrVector3Copy(&gSmoke[gSmoke_num].pos, pos);
		1327	gSmoke[gSmoke_num].radius = 0.05f;
		1328	if ((pType & 0xF) == 7) {
		1329	gSmoke[gSmoke_num].radius *= 2.0f;
		1330	} else {
		1331	gSmoke[gSmoke_num].pos.v[1] += (br_scalar) 0.04; // Pierre-Marie Baty -- added type cast
		1332	}
		1333	gSmoke[gSmoke_num].pos.v[1] += (br_scalar) 0.04; // Pierre-Marie Baty -- added type cast
		1334	if (strength > 1.0) {
		1335	strength = 1.0;
		1336	}
		1337	gSmoke[gSmoke_num].strength = strength;
		1338	gSmoke_flags \|= 1u << gSmoke_num;
		1339	gSmoke[gSmoke_num].time_sync = gMechanics_time_sync;
		1340	gSmoke[gSmoke_num].type = pType;
		1341	gSmoke[gSmoke_num].decay_factor = pDecay_factor;
		1342	gSmoke[gSmoke_num].pipe_me = 1;
		1343	gSmoke_num++;
		1344	if (gSmoke_num >= COUNT_OF(gSmoke)) {
		1345	gSmoke_num = 0;
		1346	}
		1347	}
		1348
		1349	// IDA: void __cdecl ResetSmoke()
		1350	void ResetSmoke(void) {
		1351	LOG_TRACE("()");
		1352
		1353	gSmoke_flags = 0;
		1354	;
		1355	}
		1356
		1357	// IDA: void __usercall AdjustSmoke(int pIndex@<EAX>, tU8 pType@<EDX>, br_vector3 *pPos@<EBX>, br_scalar pRadius, br_scalar pStrength)
		1358	void AdjustSmoke(int pIndex, tU8 pType, br_vector3* pPos, br_scalar pRadius, br_scalar pStrength) {
		1359	LOG_TRACE("(%d, %d, %p, %f, %f)", pIndex, pType, pPos, pRadius, pStrength);
		1360
		1361	gSmoke[pIndex].type = pType;
		1362	gSmoke[pIndex].radius = pRadius;
		1363	gSmoke[pIndex].strength = pStrength;
		1364	BrVector3Copy(&gSmoke[pIndex].pos, pPos);
		1365	gSmoke_flags \|= 1 << pIndex;
		1366	}
		1367
		1368	// IDA: void __cdecl ActorError()
		1369	void ActorError(void) {
		1370	LOG_TRACE("()");
		1371	}
		1372
		1373	// IDA: void __usercall AdjustSmokeColumn(int pIndex@<EAX>, tCar_spec *pCar@<EDX>, int pVertex@<EBX>, int pColour@<ECX>)
		1374	void AdjustSmokeColumn(int pIndex, tCar_spec* pCar, int pVertex, int pColour) {
		1375	int i;
		1376	//br_actor* actor; // Pierre-Marie Baty -- unused variable
		1377	LOG_TRACE("(%d, %p, %d, %d)", pIndex, pCar, pVertex, pColour);
		1378
		1379	gColumn_flags ^= 1 << pIndex;
		1380	gSmoke_column[pIndex].car = pCar;
		1381	gSmoke_column[pIndex].vertex_index = pVertex;
		1382	gSmoke_column[pIndex].colour = pColour;
		1383	for (i = 0; i < COUNT_OF(gSmoke_column->frame_count); i++) {
		1384	gSmoke_column[pIndex].frame_count[i] = 100;
		1385	}
		1386	if (pColour == 0) {
		1387	if ((gColumn_flags & (1 << pIndex)) != 0) {
		1388	if (gSmoke_column[pIndex].flame_actor->depth != 0) {
		1389	ActorError();
		1390	}
		1391	BrActorAdd(gNon_track_actor, gSmoke_column[pIndex].flame_actor);
		1392	} else {
		1393	if (gSmoke_column[pIndex].flame_actor->depth == 0) {
		1394	ActorError();
		1395	}
		1396	BrActorRemove(gSmoke_column[pIndex].flame_actor);
		1397	}
		1398	}
		1399	}
		1400
		1401	// IDA: void __usercall CreateSmokeColumn(tCar_spec *pCar@<EAX>, int pColour@<EDX>, int pVertex_index@<EBX>, tU32 pLifetime@<ECX>)
		1402	void CreateSmokeColumn(tCar_spec* pCar, int pColour, int pVertex_index, tU32 pLifetime) {
		1403	int i;
		1404	br_actor* actor;
		1405	tSmoke_column* col;
		1406	LOG_TRACE("(%p, %d, %d, %d)", pCar, pColour, pVertex_index, pLifetime);
		1407
		1408	col = &gSmoke_column[gNext_column];
		1409	if (pCar->last_special_volume != NULL && pCar->last_special_volume->gravity_multiplier < 1.0f) {
		1410	return;
		1411	}
		1412	SmudgeCar(pCar, pVertex_index);
		1413	if (pCar->knackered) {
		1414	SmudgeCar(pCar, pCar->fire_vertex[IRandomBetween(0, 11)]);
		1415	}
		1416	if (!gSmoke_on) {
		1417	return;
		1418	}
		1419	if (((1u << gNext_column) & gColumn_flags) != 0) {
		1420	if (gSmoke_column[gNext_column].car != NULL) {
		1421	gSmoke_column[gNext_column].car->num_smoke_columns--;
		1422	}
		1423	StartPipingSession(ePipe_chunk_smoke_column);
		1424	AddSmokeColumnToPipingSession(gNext_column, gSmoke_column[gNext_column].car, gSmoke_column[gNext_column].vertex_index, gSmoke_column[gNext_column].colour);
		1425	EndPipingSession();
		1426	if (gSmoke_column[gNext_column].colour == 0) {
		1427	StartPipingSession(ePipe_chunk_flame);
		1428	actor = col->flame_actor->children;
		1429	for (i = 0; i < 3; i++) {
		1430	if (actor->type == BR_ACTOR_MODEL) {
		1431	AddFlameToPipingSession(i + 16 * gNext_column, col->frame_count[i], col->scale_x[i], col->scale_y[i], col->offset_x[i], col->offset_z[i]);
		1432	}
		1433	actor->type = BR_ACTOR_NONE;
		1434	actor = actor->next;
		1435	}
		1436	EndPipingSession();
		1437	}
		1438	}
		1439	if (pColour == 0 && (((1u << gNext_column) & gColumn_flags) == 0 \|\| gSmoke_column[gNext_column].colour != 0)) {
		1440	BrActorAdd(gNon_track_actor, gSmoke_column[gNext_column].flame_actor);
		1441	}
		1442	if (pColour != 0 && ((1u << gNext_column) & gColumn_flags) != 0 && gSmoke_column[gNext_column].colour == 0) {
		1443	BrActorRemove(gSmoke_column[gNext_column].flame_actor);
		1444	}
		1445	StartPipingSession(ePipe_chunk_smoke_column);
		1446	AddSmokeColumnToPipingSession(gNext_column, pCar, pVertex_index, pColour);
		1447	EndPipingSession();
		1448	gSmoke_column[gNext_column].car = pCar;
		1449	gSmoke_column[gNext_column].colour = pColour;
		1450	gSmoke_column[gNext_column].lifetime = pLifetime;
		1451	gSmoke_column[gNext_column].time = 0;
		1452	gSmoke_column[gNext_column].smudge_timer = 1000;
		1453	gSmoke_column[gNext_column].vertex_index = pVertex_index;
		1454	gSmoke_column[gNext_column].upright = 1;
		1455	gColumn_flags \|= 1u << gNext_column;
		1456	pCar->num_smoke_columns++;
		1457	for (i = 0; i < COUNT_OF(gSmoke_column[gNext_column].frame_count); i++) {
		1458	gSmoke_column[gNext_column].frame_count[i] = 100;
		1459	}
		1460	gNext_column++;
		1461	if (gNext_column >= MAX_SMOKE_COLUMNS) {
		1462	gNext_column = 0;
		1463	}
		1464	}
		1465
		1466	// IDA: void __cdecl GenerateSmokeShades()
		1467	void GenerateSmokeShades(void) {
		1468	static int rb = 0x00;
		1469	static int gb = 0x00;
		1470	static int bb = 0x00;
		1471	static int rd = 0x40;
		1472	static int gd = 0x40;
		1473	static int bd = 0x40;
		1474	static int rg = 0x80;
		1475	static int gg = 0x80;
		1476	static int bg = 0x80;
		1477	LOG_TRACE("()");
		1478
		1479	gBlack_smoke_shade_table = GenerateShadeTable(16, gRender_palette, rb, gb, bb, .25f, .6f, .9f);
		1480	gDark_smoke_shade_table = GenerateShadeTable(16, gRender_palette, rd, gd, bd, .25f, .6f, .9f);
		1481	gGrey_smoke_shade_table = GenerateShadeTable(16, gRender_palette, rg, gg, bg, .25f, .6f, .9f);
		1482	gIt_shade_table = GenerateDarkenedShadeTable(16, gRender_palette, 0, 255, 254, .25f, .5f, .75f, .6f);
		1483
		1484	gShade_list[0] = gBlack_smoke_shade_table;
		1485	gShade_list[1] = gDark_smoke_shade_table;
		1486	gShade_list[2] = gGrey_smoke_shade_table;
		1487	gShade_list[3] = gFog_shade_table;
		1488	gShade_list[4] = gFog_shade_table;
		1489	gShade_list[7] = gAcid_shade_table;
		1490	}
		1491
		1492	// IDA: void __cdecl GenerateItFoxShadeTable()
		1493	void GenerateItFoxShadeTable(void) {
		1494	LOG_TRACE("()");
		1495
		1496	if (gIt_shade_table == NULL) {
		1497	gIt_shade_table = GenerateDarkenedShadeTable(16, gRender_palette, 0, 255, 254, .25f, .5f, .75f, .6f);
		1498	}
		1499	}
		1500
		1501	// IDA: void __usercall AdjustFlame(int pIndex@<EAX>, int pFrame_count@<EDX>, br_scalar pScale_x, br_scalar pScale_y, br_scalar pOffset_x, br_scalar pOffset_z)
		1502	void AdjustFlame(int pIndex, int pFrame_count, br_scalar pScale_x, br_scalar pScale_y, br_scalar pOffset_x, br_scalar pOffset_z) {
		1503	int i;
		1504	int j;
		1505	tSmoke_column* col;
		1506	//br_actor* actor; // Pierre-Marie Baty -- unused variable
		1507	LOG_TRACE("(%d, %d, %f, %f, %f, %f)", pIndex, pFrame_count, pScale_x, pScale_y, pOffset_x, pOffset_z);
		1508
		1509	i = pIndex >> 4;
		1510	j = pIndex & 0xf;
		1511	col = &gSmoke_column[i];
		1512	col->frame_count[j] = pFrame_count;
		1513	col->scale_x[j] = pScale_x;
		1514	col->scale_y[j] = pScale_y;
		1515	col->offset_x[j] = pOffset_x;
		1516	col->offset_z[j] = pOffset_z;
		1517	}
		1518
		1519	// IDA: void __usercall ReplayFlame(tSmoke_column col@<EAX>, br_actor actor@<EDX>)
		1520	void ReplayFlame(tSmoke_column* col, br_actor* actor) {
		1521	int i;
		1522	LOG_TRACE("(%p, %p)", col, actor);
		1523
		1524	for (i = 0; i < COUNT_OF(col->frame_count); i++, actor = actor->next) {
		1525	col->frame_count[i] += GetReplayRate();
		1526	if (col->frame_count[i] < 0 \|\| col->frame_count[i] >= COUNT_OF(gFlame_map)) {
		1527	actor->type = BR_ACTOR_NONE;
		1528	} else {
		1529	actor->type = BR_ACTOR_MODEL;
		1530	actor->material->colour_map = gFlame_map[col->frame_count[i]];
		1531	BrMaterialUpdate(actor->material, BR_MATU_ALL);
		1532	BrMatrix34Scale(&actor->t.t.mat,
		1533	col->scale_x[i] * gFlame_map[col->frame_count[i]]->width,
		1534	col->scale_y[i] * gFlame_map[col->frame_count[i]]->height,
		1535	1.f);
		1536	actor->t.t.translate.t.v[0] = col->offset_x[i];
		1537	actor->t.t.translate.t.v[2] = col->offset_z[i];
		1538	}
		1539	}
		1540	}
		1541
		1542	// IDA: void __usercall FlameAnimate(int c@<EAX>, br_vector3 *pPos@<EDX>, tU32 pTime@<EBX>)
		1543	void FlameAnimate(int c, br_vector3* pPos, tU32 pTime) {
		1544	tSmoke_column* col;
		1545	br_actor* actor;
		1546	int i;
		1547	LOG_TRACE("(%d, %p, %d)", c, pPos, pTime);
		1548
		1549	col = &gSmoke_column[c];
		1550	actor = col->flame_actor;
		1551	DRMatrix34RotateY(&actor->t.t.mat, FastScalarArcTan2Angle(gCamera_to_world.m[2][0], gCamera_to_world.m[2][2]));
		1552	actor->t.t.translate.t = *pPos;
		1553	actor = actor->children;
		1554
		1555	if (gAction_replay_mode) {
		1556	ReplayFlame(col, actor);
		1557	return;
		1558	}
		1559	for (i = 0; i < COUNT_OF(col->frame_count); i++) {
		1560
		1561	#ifdef DETHRACE_FIX_BUGS
		1562	col->frame_time[i] += pTime;
		1563	if (col->frame_time[i] > FLAME_ANIMATION_FRAME_INTERVAL) {
		1564	col->frame_time[i] = 0;
		1565	col->frame_count[i]++;
		1566	}
		1567	#else
		1568	col->frame_count[i]++;
		1569	#endif
		1570
		1571	if (col->frame_count[i] >= COUNT_OF(gFlame_map)) {
		1572	StartPipingSession(ePipe_chunk_flame);
		1573	AddFlameToPipingSession(i + 16 * c, col->frame_count[i] + 1, col->scale_x[i], col->scale_y[i], col->offset_x[i], col->offset_z[i]);
		1574	EndPipingSession();
		1575	col->frame_count[i] = IRandomBetween(-5, -1);
		1576	col->scale_x[i] = (2 * IRandomBetween(0, 1) - 1) * SRandomBetween(1.0f, 1.5f) * 0.003f;
		1577	col->scale_y[i] = SRandomBetween(0.5f, 1.0f) * 0.003f;
		1578	col->offset_x[i] = SRandomPosNeg(0.03f);
		1579	col->offset_z[i] = SRandomBetween(-0.03f, 0.0);
		1580	actor->type = BR_ACTOR_NONE;
		1581	}
		1582	if (col->frame_count[i] == 0) {
		1583	if (BrVector3LengthSquared(&col->car->v) >= 80.0f \|\| col->lifetime <= 30 * pTime) {
		1584	col->frame_count[i] = -5;
		1585	} else {
		1586	actor->type = BR_ACTOR_MODEL;
		1587	StartPipingSession(ePipe_chunk_flame);
		1588	AddFlameToPipingSession(i + 16 * c, col->frame_count[i] - 1, col->scale_x[i], col->scale_y[i], col->offset_x[i], col->offset_z[i]);
		1589	EndPipingSession();
		1590	}
		1591	}
		1592	if (col->frame_count[i] >= 0) {
		1593	actor->material->colour_map = gFlame_map[col->frame_count[i]];
		1594	BrMaterialUpdate(actor->material, BR_MATU_ALL);
		1595	BrMatrix34Scale(&actor->t.t.mat, gFlame_map[col->frame_count[i]]->width * col->scale_x[i], gFlame_map[col->frame_count[i]]->height * col->scale_y[i], 1.0);
		1596	actor->t.t.mat.m[3][0] = col->offset_x[i];
		1597	actor->t.t.mat.m[3][2] = col->offset_z[i];
		1598	}
		1599	actor = actor->next;
		1600	}
		1601	}
		1602
		1603	// IDA: void __usercall DoSmokeColumn(int i@<EAX>, tU32 pTime@<EDX>, br_vector3 *pRet_car_pos@<EBX>)
		1604	void DoSmokeColumn(int i, tU32 pTime, br_vector3* pRet_car_pos) {
		1605	tCar_spec* c;
		1606	br_actor* actor;
		1607	br_actor* bonny;
		1608	//int group; // Pierre-Marie Baty -- unused variable
		1609	LOG_TRACE("(%d, %d, %p)", i, pTime, pRet_car_pos);
		1610
		1611	c = gSmoke_column[i].car;
		1612	if (c->car_master_actor->t.t.mat.m[1][1] > 0.1f) {
		1613	gSmoke_column[i].upright = 1;
		1614	}
		1615	if (c->car_master_actor->t.t.mat.m[1][1] < -0.1f) {
		1616	gSmoke_column[i].upright = 0;
		1617	}
		1618	actor = c->car_model_actors[c->principal_car_actor].actor;
		1619	bonny = c->car_model_actors[c->car_actor_count - 1].actor;
		1620
20	pmbaty	1621	BrVector3Add(pRet_car_pos, &V11MODEL(actor->model)->groups->vertices[gSmoke_column[i].vertex_index].p, &actor->t.t.translate.t);
1	pmbaty	1622	if (gProgram_state.cockpit_on && c->driver == eDriver_local_human) {
		1623	if (c->driver_z_offset + 0.2f <= pRet_car_pos->v[2]) {
		1624	pRet_car_pos->v[1] -= -0.07f;
		1625	} else {
20	pmbaty	1626	BrMatrix34ApplyP(pRet_car_pos, &V11MODEL(actor->model)->groups->vertices[gSmoke_column[i].vertex_index].p, &bonny->t.t.mat);
1	pmbaty	1627	}
		1628	}
		1629	if (!gSmoke_column[i].upright) {
		1630	pRet_car_pos->v[1] = c->bounds[1].min.v[1] / WORLD_SCALE;
		1631	}
		1632	BrMatrix34ApplyP(&gSmoke_column[i].pos, pRet_car_pos, &c->car_master_actor->t.t.mat);
		1633	gSmoke_column[i].pos.v[1] -= 0.03f;
		1634	}
		1635
		1636	// IDA: void __usercall ReplaySmokeColumn(tU32 pTime@<EAX>)
		1637	void ReplaySmokeColumn(tU32 pTime) {
		1638	int i;
		1639	br_vector3 dummy;
		1640	LOG_TRACE("(%d)", pTime);
		1641
		1642	for (i = 0; i < MAX_SMOKE_COLUMNS; i++) {
		1643	if ((gColumn_flags & (1 << i)) != 0) {
		1644	DoSmokeColumn(i, pTime, &dummy);
		1645	if (gSmoke_column[i].colour == 0) {
		1646	FlameAnimate(i, &gSmoke_column[i].pos, pTime);
		1647	}
		1648	}
		1649	}
		1650	}
		1651
		1652	// IDA: void __usercall MungeSmokeColumn(tU32 pTime@<EAX>)
		1653	void MungeSmokeColumn(tU32 pTime) {
		1654	int i;
		1655	int plane;
		1656	//br_actor* actor; // Pierre-Marie Baty -- unused variable
		1657	//br_actor* bonny; // Pierre-Marie Baty -- unused variable
		1658	br_vector3 car_pos;
		1659	br_vector3 pos;
		1660	br_vector3 v;
		1661	//br_vector3 up; // Pierre-Marie Baty -- unused variable
		1662	//br_vector3 start; // Pierre-Marie Baty -- unused variable
		1663	//br_vector3 end; // Pierre-Marie Baty -- unused variable
		1664	//br_scalar ts; // Pierre-Marie Baty -- unused variable
		1665	br_scalar decay_factor;
		1666	tCar_spec* c;
		1667	LOG_TRACE("(%d)", pTime);
		1668
		1669	if (gColumn_flags == 0) {
		1670	return;
		1671	}
		1672	if (gAction_replay_mode) {
		1673	ReplaySmokeColumn(pTime);
		1674	return;
		1675	}
		1676
		1677	gMechanics_time_sync = 1;
		1678	for (i = 0; i < MAX_SMOKE_COLUMNS; i++) {
		1679	if (((1u << i) & gColumn_flags) == 0) {
		1680	continue;
		1681	}
		1682	if (gSmoke_column[i].lifetime >= pTime) {
		1683	gSmoke_column[i].lifetime -= pTime;
		1684	c = gSmoke_column[i].car;
		1685	DoSmokeColumn(i, pTime, &car_pos);
		1686	if (gSmoke_column[i].colour == 0) {
		1687	FlameAnimate(i, &gSmoke_column[i].pos, pTime);
		1688	if (gSmoke_column[i].smudge_timer >= pTime) {
		1689	gSmoke_column[i].smudge_timer -= pTime;
		1690	} else {
		1691	gSmoke_column[i].smudge_timer += 2000;
		1692	SmudgeCar(gSmoke_column[i].car, gSmoke_column[i].vertex_index);
		1693	if (gSmoke_column[i].car->knackered) {
		1694	plane = IRandomBetween(0, COUNT_OF(gSmoke_column[i].car->fire_vertex) - 1);
		1695	SmudgeCar(gSmoke_column[i].car, gSmoke_column[i].car->fire_vertex[plane]);
		1696	}
		1697	}
		1698	}
		1699	gSmoke_column[i].time += pTime;
		1700	if (gSmoke_column[i].time > 200) {
		1701	#ifdef DETHRACE_FIX_BUGS
		1702	gSmoke_column[i].time -= fmaxf(SMOKE_COLUMN_NEW_PUFF_INTERVAL, pTime);
		1703	#else
		1704	gSmoke_column[i].time -= pTime;
		1705	#endif
		1706	gSmoke_column[i].count++;
		1707	BrVector3Cross(&v, &c->omega, &car_pos);
		1708	BrMatrix34ApplyV(&car_pos, &v, &c->car_master_actor->t.t.mat);
		1709	BrVector3Add(&v, &c->v, &car_pos);
		1710	v.v[1] = v.v[1] + 2.898550724637681f; // 100 / 34.5 ?
		1711	pos.v[0] = SRandomBetween(-0.03f, 0.03f) + gSmoke_column[i].pos.v[0];
		1712	pos.v[1] = (gSmoke_column[i].colour == 0) * 0.05f + gSmoke_column[i].pos.v[1];
		1713	pos.v[2] = SRandomBetween(-0.03f, 0.03f) + gSmoke_column[i].pos.v[2];
		1714	if ((gSmoke_column[i].whiter & 2) == 0 \|\| IRandomBetween(0, 3)) {
		1715	if (gSmoke_column[i].whiter < 1) {
		1716	gSmoke_column[i].whiter = -1;
		1717	} else {
		1718	gSmoke_column[i].whiter = 2;
		1719	}
		1720	} else {
		1721	gSmoke_column[i].whiter &= 1;
		1722	}
		1723	decay_factor = ((gSmoke_column[i].whiter > 0) + 1.0f) / 2.0f;
		1724	if (gSmoke_column[i].lifetime < 4000) {
		1725	decay_factor = gSmoke_column[i].lifetime * decay_factor / 4000.0f;
		1726	}
		1727	CreatePuffOfSmoke(&pos, &v, decay_factor, decay_factor, gSmoke_column[i].colour + 16, c);
		1728	}
		1729	} else {
		1730	if (gSmoke_column[i].car != NULL) {
		1731	StartPipingSession(ePipe_chunk_smoke_column);
		1732	AddSmokeColumnToPipingSession(i, gSmoke_column[i].car, gSmoke_column[i].vertex_index, gSmoke_column[i].colour);
		1733	EndPipingSession();
		1734	}
		1735	gColumn_flags &= ~(1u << i);
		1736	if (gSmoke_column[i].colour == 0) {
		1737	BrActorRemove(gSmoke_column[i].flame_actor);
		1738	}
		1739	if (gSmoke_column[i].car != NULL) {
		1740	if (gSmoke_column[i].car->num_smoke_columns != 0) {
		1741	gSmoke_column[i].car->num_smoke_columns--;
		1742	}
		1743	}
		1744	}
		1745	}
		1746	}
		1747
		1748	// IDA: void __cdecl DisposeFlame()
		1749	void DisposeFlame(void) {
		1750	int i;
		1751	int j;
		1752	br_actor* actor;
		1753	//br_material* material; // Pierre-Marie Baty -- unused variable
		1754	LOG_TRACE("()");
		1755
		1756	for (i = 0; i < COUNT_OF(gFlame_map); i++) {
		1757	BrMapRemove(gFlame_map[i]);
		1758	BrPixelmapFree(gFlame_map[i]);
		1759	}
		1760
		1761	for (i = 0; i < MAX_SMOKE_COLUMNS; i++) {
		1762	if ((gColumn_flags & (1u << i)) && (gSmoke_column[i].colour == 0)) {
		1763	BrActorRemove(gSmoke_column[i].flame_actor);
		1764	}
		1765	actor = gSmoke_column[i].flame_actor->children;
		1766	for (j = 0; j < COUNT_OF(gSmoke_column[0].frame_count); j++) {
		1767	BrMaterialRemove(actor->material);
		1768	BrMaterialFree(actor->material);
		1769	actor = actor->next;
		1770	}
		1771	BrActorFree(gSmoke_column[i].flame_actor);
		1772	}
		1773	BrModelRemove(gLollipop_model);
		1774	BrModelFree(gLollipop_model);
		1775	}
		1776
		1777	// IDA: void __cdecl InitFlame()
		1778	void InitFlame(void) {
		1779	int i;
		1780	int j;
		1781	int num;
		1782	char the_path[256];
		1783	br_actor* actor;
		1784	br_material* material;
		1785	LOG_TRACE("()");
		1786
		1787	gColumn_flags = 0;
		1788	gLollipop_model = BrModelAllocate("Lollipop", 4, 2);
		1789	PathCat(the_path, gApplication_path, "PIXELMAP");
		1790	PathCat(the_path, the_path, "FLAMES.PIX");
		1791	num = DRPixelmapLoadMany(the_path, gFlame_map, COUNT_OF(gFlame_map));
		1792	if (num != COUNT_OF(gFlame_map)) {
		1793	FatalError(kFatalError_LoadPixelmapFile_S, the_path);
		1794	}
		1795	BrMapAddMany(gFlame_map, COUNT_OF(gFlame_map));
		1796	for (i = 0; i < MAX_SMOKE_COLUMNS; i++) {
		1797	gSmoke_column[i].flame_actor = BrActorAllocate(BR_ACTOR_NONE, NULL);
		1798	for (j = 0; j < COUNT_OF(gSmoke_column[0].frame_count); j++) {
		1799	actor = BrActorAllocate(BR_ACTOR_MODEL, NULL);
		1800	material = BrMaterialAllocate(NULL);
		1801	BrActorAdd(gSmoke_column[i].flame_actor, actor);
		1802	actor->model = gLollipop_model;
		1803	actor->material = material;
		1804	material->flags &= ~BR_MATF_LIGHT;
		1805	material->flags \|= BR_MATF_ALWAYS_VISIBLE;
		1806	material->colour_map = gFlame_map[0];
		1807	BrMaterialAdd(material);
		1808	gSmoke_column[i].frame_count[j] = 100;
		1809	}
		1810	}
		1811	gLollipop_model->nvertices = 4;
		1812	BrVector3SetFloat(&gLollipop_model->vertices[0].p, -.5f, 0.f, .0f);
		1813	BrVector3SetFloat(&gLollipop_model->vertices[1].p, .5f, 0.f, .0f);
		1814	BrVector3SetFloat(&gLollipop_model->vertices[2].p, .5f, 1.f, .0f);
		1815	BrVector3SetFloat(&gLollipop_model->vertices[3].p, -.5f, 1.f, .0f);
		1816	gLollipop_model->vertices[0].map.v[0] = 0.f;
		1817	gLollipop_model->vertices[0].map.v[1] = 1.f;
		1818	gLollipop_model->vertices[1].map.v[0] = 1.f;
		1819	gLollipop_model->vertices[1].map.v[1] = 1.f;
		1820	gLollipop_model->vertices[2].map.v[0] = 1.f;
		1821	gLollipop_model->vertices[2].map.v[1] = 0.f;
		1822	gLollipop_model->vertices[3].map.v[0] = 0.f;
		1823	gLollipop_model->vertices[3].map.v[1] = 0.f;
		1824
		1825	gLollipop_model->nfaces = 2;
		1826	gLollipop_model->faces[0].vertices[0] = 0;
		1827	gLollipop_model->faces[0].vertices[1] = 1;
		1828	gLollipop_model->faces[0].vertices[2] = 2;
		1829	gLollipop_model->faces[1].vertices[0] = 0;
		1830	gLollipop_model->faces[1].vertices[1] = 2;
		1831	gLollipop_model->faces[1].vertices[2] = 3;
		1832	gLollipop_model->faces[0].smoothing = 1;
		1833	gLollipop_model->faces[1].smoothing = 1;
		1834	BrModelAdd(gLollipop_model);
		1835	}
		1836
		1837	// IDA: void __usercall InitSplash(FILE *pF@<EAX>)
		1838	void InitSplash(FILE* pF) {
		1839	int i;
		1840	int num_files;
		1841	int num;
		1842	br_actor* actor;
		1843	char the_path[256];
		1844	char s[256];
		1845	br_pixelmap* splash_maps[20];
		1846	LOG_TRACE("(%p)", pF);
		1847
		1848	gSplash_flags = 0;
		1849	gSplash_model = BrModelAllocate("Splash", 4, 2);
		1850	if (pF != NULL) {
		1851	num = GetAnInt(pF);
		1852	gNum_splash_types = 0;
		1853	for (i = 0; num > i; ++i) {
		1854	GetAString(pF, s);
		1855	PathCat(the_path, gApplication_path, "PIXELMAP");
		1856	PathCat(the_path, the_path, s);
		1857	num_files = DRPixelmapLoadMany(the_path, &splash_maps[gNum_splash_types], 20 - gNum_splash_types);
		1858	if (num_files == 0) {
		1859	FatalError(kFatalError_LoadPixelmapFile_S, the_path);
		1860	}
		1861	gNum_splash_types += num_files;
		1862	}
		1863	} else {
		1864	PathCat(the_path, gApplication_path, "PIXELMAP");
		1865	PathCat(the_path, the_path, "SPLSHBLU.PIX");
		1866	gNum_splash_types = DRPixelmapLoadMany(the_path, splash_maps, 0x14u);
		1867	}
		1868	BrMapAddMany(splash_maps, gNum_splash_types);
		1869	for (i = 0; i < gNum_splash_types; ++i) {
		1870	gSplash_material[i] = BrMaterialAllocate(0);
		1871	gSplash_material[i]->flags &= ~(BR_MATF_LIGHT \| BR_MATF_PRELIT);
		1872	gSplash_material[i]->flags \|= BR_MATF_ALWAYS_VISIBLE \| BR_MATF_PERSPECTIVE;
		1873	gSplash_material[i]->index_blend = LoadSingleShadeTable(&gTrack_storage_space, "BLEND50.TAB");
		1874	gSplash_material[i]->colour_map = splash_maps[i];
		1875	BrMaterialAdd(gSplash_material[i]);
		1876	}
		1877	gSplash_model->nvertices = 4;
		1878	BrVector3SetFloat(&gSplash_model->vertices[0].p, -0.5f, 0.0f, 0.0f);
		1879	BrVector3SetFloat(&gSplash_model->vertices[1].p, 0.5f, 0.0f, 0.0f);
		1880	BrVector3SetFloat(&gSplash_model->vertices[2].p, 0.5f, 1.0f, 0.0f);
		1881	BrVector3SetFloat(&gSplash_model->vertices[3].p, -0.5f, 1.0f, 0.0f);
		1882	gSplash_model->vertices[0].map.v[0] = 0.0f;
		1883	gSplash_model->vertices[0].map.v[1] = 1.0f;
		1884	gSplash_model->vertices[1].map.v[0] = 1.0f;
		1885	gSplash_model->vertices[1].map.v[1] = 1.0f;
		1886	gSplash_model->vertices[2].map.v[0] = 1.0f;
		1887	gSplash_model->vertices[2].map.v[1] = 0.0f;
		1888	gSplash_model->vertices[3].map.v[0] = 0.0f;
		1889	gSplash_model->vertices[3].map.v[1] = 0.0f;
		1890	gSplash_model->nfaces = 2;
		1891	gSplash_model->faces[0].vertices[0] = 0;
		1892	gSplash_model->faces[0].vertices[1] = 1;
		1893	gSplash_model->faces[0].vertices[2] = 2;
		1894	gSplash_model->faces[1].vertices[0] = 0;
		1895	gSplash_model->faces[1].vertices[1] = 2;
		1896	gSplash_model->faces[1].vertices[2] = 3;
		1897	gSplash_model->faces[0].smoothing = 1;
		1898	gSplash_model->faces[1].smoothing = 1;
		1899	BrModelAdd(gSplash_model);
		1900	for (i = 0; i < COUNT_OF(gSplash); i++) {
		1901	gSplash[i].actor = BrActorAllocate(BR_ACTOR_MODEL, NULL);
		1902	actor = gSplash[i].actor;
		1903	actor->model = gSplash_model;
		1904	if (gNum_splash_types != 0) {
		1905	actor->material = gSplash_material[IRandomBetween(0, gNum_splash_types - 1)];
		1906	} else {
		1907	actor->material = NULL;
		1908	}
		1909	gSplash[i].scale_x = SRandomBetween(0.9f, 1.1f) * (2 * IRandomBetween(0, 1) - 1);
		1910	}
		1911	}
		1912
		1913	// IDA: void __cdecl DisposeSplash()
		1914	void DisposeSplash(void) {
		1915	int i;
		1916	LOG_TRACE("()");
		1917
		1918	for (i = 0; i < gNum_splash_types; i++) {
		1919	BrMapRemove(gSplash_material[i]->colour_map);
		1920	BrPixelmapFree(gSplash_material[i]->colour_map);
		1921	BrMaterialRemove(gSplash_material[i]);
		1922	BrMaterialFree(gSplash_material[i]);
		1923	}
		1924	for (i = 0; i < COUNT_OF(gSplash); i++) {
		1925	if (gSplash_flags & (1u << i)) {
		1926	BrActorRemove(gSplash[i].actor);
		1927	}
		1928	BrActorFree(gSplash[i].actor);
		1929	}
		1930	BrModelRemove(gSplash_model);
		1931	BrModelFree(gSplash_model);
		1932	}
		1933
		1934	// IDA: void __usercall DrawTheGlow(br_pixelmap pRender_screen@<EAX>, br_pixelmap pDepth_buffer@<EDX>, br_actor *pCamera@<EBX>)
		1935	void DrawTheGlow(br_pixelmap* pRender_screen, br_pixelmap* pDepth_buffer, br_actor* pCamera) {
		1936	int i;
		1937	br_scalar strength;
		1938	br_vector3 tv;
		1939	tU32 seed;
		1940	LOG_TRACE("(%p, %p, %p)", pRender_screen, pDepth_buffer, pCamera);
		1941
		1942	if (gColumn_flags) {
		1943	seed = rand();
		1944	srand(GetTotalTime());
		1945	for (i = 0; i < MAX_SMOKE_COLUMNS; i++) {
		1946	if (((1u << i) & gColumn_flags) != 0 && gSmoke_column[i].colour <= 1) {
		1947	strength = 0.5f;
		1948	if (gSmoke_column[i].lifetime < 4000) {
		1949	strength = gSmoke_column[i].lifetime * 0.5f / 4000.f;
		1950	}
		1951	BrVector3Set(&tv, gSmoke_column[i].pos.v[0], gSmoke_column[i].pos.v[1] + 0.02f, gSmoke_column[i].pos.v[2]);
		1952	SmokeCircle3D(&tv, 0.07f, strength, SRandomBetween(0.5f, 0.99f), pRender_screen, pDepth_buffer, gAcid_shade_table, pCamera);
		1953	}
		1954	}
		1955	srand(seed);
		1956	}
		1957	}
		1958
		1959	// IDA: void __usercall PipeInstantUnSmudge(tCar_spec *pCar@<EAX>)
		1960	void PipeInstantUnSmudge(tCar_spec* pCar) {
		1961	br_model* model;
		1962	br_model* b_model;
		1963	br_actor* actor;
		1964	br_actor* bonny;
		1965	int j;
		1966	int n;
		1967	int v;
		1968	int group;
		1969	tSmudged_vertex data[1000];
		1970	LOG_TRACE("(%p)", pCar);
		1971
		1972	if (!gAction_replay_mode) {
		1973	return;
		1974	}
		1975	actor = pCar->car_model_actors[pCar->principal_car_actor].actor;
		1976	model = actor->model;
		1977	bonny = pCar->car_model_actors[pCar->car_actor_count - 1].actor;
		1978	n = 0;
		1979	if ((model->flags & BR_MODF_KEEP_ORIGINAL) != 0 \|\| (model->flags & BR_MODF_UPDATEABLE) != 0) {
		1980	StartPipingSession(ePipe_chunk_smudge);
		1981	j = 0;
		1982	for (group = 0; group < V11MODEL(model)->ngroups; group++) {
		1983	for (v = 0; v < V11MODEL(model)->groups[group].nvertices; v++) {
		1984	if ((V11MODEL(model)->groups[group].vertex_colours[v] >> 24) != 0) {
		1985	data[n].vertex_index = j;
		1986	data[n].light_index = 0 -(V11MODEL(model)->groups[group].vertex_colours[v] >> 24); // Pierre-Marie Baty -- prefixed 0 to silence signedness warning
		1987	n += 1;
		1988	V11MODEL(model)->groups[group].vertex_colours[v] = 0;
		1989	if ((model->flags & 0x80) != 0) {
		1990	model->vertices[V11MODEL(model)->groups[group].vertex_user[v]].index = 0;
		1991	}
		1992	if (n >= COUNT_OF(data)) {
		1993	group = V11MODEL(model)->ngroups;
		1994	break;
		1995	}
		1996	}
		1997	j += 1;
		1998	}
		1999	}
		2000	if (n != 0) {
		2001	AddSmudgeToPipingSession(pCar->car_ID, pCar->principal_car_actor, n, data);
		2002	}
		2003	if (bonny != actor) {
		2004	b_model = bonny->model;
		2005	n = 0;
		2006	j = 0;
		2007	for (group = 0; group < V11MODEL(model)->ngroups; group++) {
		2008	for (v = 0; v < V11MODEL(model)->groups[group].nvertices; v++) {
		2009	if ((V11MODEL(model)->groups[group].vertex_colours[v] >> 24) != 0) {
		2010	data[n].vertex_index = j;
		2011	data[n].light_index = -V11MODEL(model)->groups[group].nvertices;
		2012	n += 1;
		2013	V11MODEL(model)->groups[group].vertex_colours[v] = 0;
		2014	if ((b_model->flags & BR_MODF_UPDATEABLE) != 0) {
		2015	b_model->vertices[V11MODEL(model)->groups[group].vertex_user[v]].index = 0;
		2016	}
		2017	if (n >= COUNT_OF(data)) {
		2018	group = V11MODEL(model)->groups[group].nvertices;
		2019	break;
		2020	}
		2021	}
		2022	j += 1;
		2023	}
		2024	}
		2025	if (n != 0) {
		2026	AddSmudgeToPipingSession(pCar->car_ID, pCar->car_actor_count - 1, n, data);
		2027	}
		2028	}
		2029	EndPipingSession();
		2030	}
		2031	}
		2032
		2033	// IDA: void __usercall SmudgeCar(tCar_spec *pCar@<EAX>, int fire_point@<EDX>)
		2034	void SmudgeCar(tCar_spec* pCar, int fire_point) {
		2035	int v;
		2036	int j;
		2037	int real_vertex_number;
		2038	br_model* model;
		2039	br_model* b_model;
		2040	br_actor* actor;
		2041	br_actor* bonny;
		2042	br_scalar ts;
		2043	br_vector3 tv;
		2044	br_vector3 bonny_pos;
		2045	int group;
		2046	br_vector3 point;
		2047	tSmudged_vertex data[30];
		2048	int n;
		2049	LOG_TRACE("(%p, %d)", pCar, fire_point);
		2050
		2051	if (gAusterity_mode) {
		2052	return;
		2053	}
		2054
		2055	v = fire_point;
		2056	group = 0;
		2057	actor = pCar->car_model_actors[pCar->principal_car_actor].actor;
		2058	model = actor->model;
		2059	bonny = pCar->car_model_actors[pCar->car_actor_count - 1].actor;
		2060	n = 0;
		2061	real_vertex_number = 0;
		2062	if ((model->flags & BR_MODF_KEEP_ORIGINAL) != 0 \|\| (model->flags & BR_MODF_UPDATEABLE) != 0) {
20	pmbaty	2063	point = V11MODEL(model)->groups[group].vertices[fire_point].p;
1	pmbaty	2064	StartPipingSession(ePipe_chunk_smudge);
		2065	for (group = 0; group < V11MODEL(model)->ngroups; group++) {
		2066	for (j = 0; j < V11MODEL(model)->groups[group].nvertices; j++) {
20	pmbaty	2067	BrVector3Sub(&tv, &V11MODEL(model)->groups[group].vertices[j].p, &point);
1	pmbaty	2068	ts = (.0144f - BrVector3LengthSquared(&tv) / SRandomBetween(.5f, 1.f)) / .0144f * 127.f;
		2069	if (ts > 0.f) {
		2070	ts += BR_ALPHA(V11MODEL(model)->groups[group].vertex_colours[j]);
		2071	if (ts > 255.f) {
		2072	ts = 255.f;
		2073	}
		2074	if (BR_ALPHA(V11MODEL(model)->groups[group].vertex_colours[j]) != (int)ts) {
		2075	data[n].vertex_index = real_vertex_number;
		2076	data[n].light_index = (int)ts - BR_ALPHA(V11MODEL(model)->groups[group].vertex_colours[j]);
		2077	V11MODEL(model)->groups[group].vertex_colours[j] = (int)ts << 24;
		2078	if ((model->flags & BR_MODF_UPDATEABLE) != 0) {
		2079	model->vertices[V11MODEL(model)->groups[group].vertex_user[j]].index = (int)ts;
		2080	}
		2081	n++;
		2082	if (n >= COUNT_OF(data)) {
		2083	break;
		2084	}
		2085	}
		2086	}
		2087	real_vertex_number++;
		2088	}
		2089	if (n >= COUNT_OF(data)) {
		2090	break;
		2091	}
		2092	}
		2093	if (n > 0) {
		2094	AddSmudgeToPipingSession(pCar->car_ID, pCar->principal_car_actor, n, data);
		2095	// Added by dethrace to update gpu-buffered vertices
20	pmbaty	2096	model->flags \|= BR_MODF_DETHRACE_FORCE_BUFFER_UPDATE;
1	pmbaty	2097	}
		2098
		2099	n = 0;
		2100	real_vertex_number = 0;
		2101	if (actor != bonny) {
		2102	b_model = bonny->model;
		2103	BrVector3Add(&tv, &actor->t.t.translate.t, &point);
		2104	BrVector3Accumulate(&tv, &bonny->t.t.translate.t);
		2105	BrMatrix34TApplyV(&bonny_pos, &tv, &bonny->t.t.mat);
		2106	for (group = 0; group < V11MODEL(b_model)->ngroups; group++) {
		2107	j = 0;
		2108	for (j = 0; j < V11MODEL(b_model)->groups[group].nvertices; j++) {
20	pmbaty	2109	BrVector3Sub(&tv, &V11MODEL(b_model)->groups[group].vertices[j].p, &bonny_pos);
1	pmbaty	2110	ts = (.0144f - BrVector3LengthSquared(&tv) / SRandomBetween(.5f, 1.f)) / .0144f * 127.f;
		2111	if (ts > 0.f) {
		2112	ts += BR_ALPHA(V11MODEL(b_model)->groups[group].vertex_colours[j]);
		2113	if (ts > 255.f) {
		2114	ts = 255.f;
		2115	}
		2116	if (BR_ALPHA(V11MODEL(b_model)->groups[group].vertex_colours[j]) != (int)ts) {
		2117	data[n].vertex_index = real_vertex_number;
		2118	data[n].light_index = (int)ts - BR_ALPHA(V11MODEL(b_model)->groups[group].vertex_colours[j]);
		2119	V11MODEL(b_model)->groups[group].vertex_colours[j] = (int)ts << 24;
		2120	if ((b_model->flags & BR_MODF_UPDATEABLE) != 0) {
		2121	b_model->vertices[V11MODEL(b_model)->groups[group].vertex_user[j]].index = (int)ts;
		2122	}
		2123	n++;
		2124	if (n >= COUNT_OF(data)) {
		2125	break;
		2126	}
		2127	}
		2128	}
		2129	real_vertex_number++;
		2130	}
		2131	if (n >= COUNT_OF(data)) {
		2132	break;
		2133	}
		2134	}
		2135	if (n > 0) {
		2136	AddSmudgeToPipingSession(pCar->car_ID, pCar->car_actor_count - 1, n, data);
20	pmbaty	2137
1	pmbaty	2138	// Added by dethrace to update gpu-buffered vertices
20	pmbaty	2139	b_model->flags \|= BR_MODF_DETHRACE_FORCE_BUFFER_UPDATE;
1	pmbaty	2140	}
		2141	}
		2142	EndPipingSession();
		2143	}
		2144	}
		2145
		2146	// IDA: void __cdecl ResetSmokeColumns()
		2147	void ResetSmokeColumns(void) {
20	pmbaty	2148	//int i; // Pierre-Marie Baty -- unused variable
1	pmbaty	2149	LOG_TRACE("()");
20	pmbaty	2150	NOT_IMPLEMENTED();
1	pmbaty	2151	}
		2152
		2153	// IDA: void __usercall SetSmokeOn(int pSmoke_on@<EAX>)
		2154	void SetSmokeOn(int pSmoke_on) {
		2155	LOG_TRACE("(%d)", pSmoke_on);
		2156
		2157	gSmoke_on = pSmoke_on;
		2158	}
		2159
		2160	// IDA: void __usercall ReallySetSmokeOn(int pSmoke_on@<EAX>)
		2161	void ReallySetSmokeOn(int pSmoke_on) {
		2162	LOG_TRACE("(%d)", pSmoke_on);
20	pmbaty	2163	NOT_IMPLEMENTED();
1	pmbaty	2164	}
		2165
		2166	// IDA: void __usercall SetSmoke(int pSmoke_on@<EAX>)
		2167	void SetSmoke(int pSmoke_on) {
		2168	LOG_TRACE("(%d)", pSmoke_on);
		2169
		2170	ReallySetSmokeOn(pSmoke_on);
		2171	SetSmokeOn(pSmoke_on);
		2172	}
		2173
		2174	// IDA: int __cdecl GetSmokeOn()
		2175	int GetSmokeOn(void) {
		2176	LOG_TRACE("()");
		2177
		2178	return gSmoke_on;
		2179	}
		2180
		2181	// IDA: void __usercall StopCarSmoking(tCar_spec *pCar@<EAX>)
		2182	void StopCarSmoking(tCar_spec* pCar) {
		2183	int i;
		2184	LOG_TRACE("(%p)", pCar);
		2185
		2186	for (i = 0; i < MAX_SMOKE_COLUMNS; i++) {
		2187	if (gSmoke_column[i].car == pCar && gSmoke_column[i].lifetime > 2000) {
		2188	gSmoke_column[i].lifetime = 2000;
		2189	}
		2190	}
		2191	}
		2192
		2193	// IDA: void __usercall StopCarSmokingInstantly(tCar_spec *pCar@<EAX>)
		2194	void StopCarSmokingInstantly(tCar_spec* pCar) {
		2195	int i;
		2196	LOG_TRACE("(%p)", pCar);
		2197
		2198	for (i = 0; i < MAX_SMOKE_COLUMNS; i++) {
		2199	if (gSmoke_column[i].car == pCar) {
		2200	gSmoke_column[i].lifetime = 0;
		2201	}
		2202	}
		2203	}
		2204
		2205	// IDA: void __usercall ConditionalSmokeColumn(tCar_spec *pCar@<EAX>, int pDamage_index@<EDX>, int pColour@<EBX>)
		2206	void ConditionalSmokeColumn(tCar_spec* pCar, int pDamage_index, int pColour) {
		2207	int i;
		2208	LOG_TRACE("(%p, %d, %d)", pCar, pDamage_index, pColour);
		2209
		2210	if (!pColour) {
		2211	pColour = pCar->driver < eDriver_net_human;
		2212	}
		2213	if (pCar->num_smoke_columns != 0) {
		2214	for (i = 0; i < MAX_SMOKE_COLUMNS; i++) {
		2215	if (gSmoke_column[i].car == pCar) {
		2216	if (((1u << i) & gColumn_flags) != 0 && gSmoke_column[i].colour <= pColour && gSmoke_column[i].lifetime) {
		2217	return;
		2218	}
		2219	gSmoke_column[i].lifetime = 2000;
		2220	}
		2221	}
		2222	}
		2223	CreateSmokeColumn(pCar, pColour, pCar->fire_vertex[pDamage_index], 10000000u);
		2224	}
		2225
		2226	// IDA: void __usercall SingleSplash(tCar_spec pCar@<EAX>, br_vector3 sp@<EDX>, br_vector3 *normal@<EBX>, tU32 pTime@<ECX>)
		2227	void SingleSplash(tCar_spec* pCar, br_vector3* sp, br_vector3* normal, tU32 pTime) {
		2228	br_matrix34* mat;
		2229	br_matrix34* c_mat;
		2230	br_vector3 tv;
		2231	br_vector3 vel;
		2232	br_scalar size;
		2233	br_scalar speed;
		2234	br_scalar ts;
		2235	LOG_TRACE("(%p, %p, %p, %d)", pCar, sp, normal, pTime);
		2236
		2237	mat = &gSplash[gNext_splash].actor->t.t.mat;
		2238	c_mat = &pCar->car_master_actor->t.t.mat;
		2239	BrMatrix34ApplyP(&gSplash[gNext_splash].actor->t.t.euler.t, sp, c_mat);
		2240	tv.v[0] = sp->v[2] * pCar->omega.v[1] - pCar->omega.v[2] * sp->v[1];
		2241	tv.v[1] = pCar->omega.v[2] * sp->v[0] - sp->v[2] * pCar->omega.v[0];
		2242	tv.v[2] = sp->v[1] * pCar->omega.v[0] - pCar->omega.v[1] * sp->v[0];
		2243	BrMatrix34ApplyV(&vel, &tv, c_mat);
		2244	BrVector3Accumulate(&vel, &pCar->v);
		2245	ts = BrVector3Length(&vel);
		2246	size = (fabs(BrVector3Dot(normal, &vel)) * 5.0 + ts) / 150.0 + 0.047826085;
		2247	if (size > 0.5) {
		2248	size = 0.5;
		2249	}
		2250	if (BrVector3Dot(&pCar->velocity_car_space, sp) < 0.0) {
		2251	size = size / 2.0;
		2252	}
		2253
		2254	gSplash[gNext_splash].size = SRandomBetween(size / 2.0, size);
		2255	if (((1u << gNext_splash) & gSplash_flags) == 0) {
		2256	BrActorAdd(gDont_render_actor, gSplash[gNext_splash].actor);
		2257	}
		2258	gSplash_flags \|= 1u << gNext_splash;
		2259	gSplash[gNext_splash].just_done = 1;
		2260	if ((double)pTime * 0.003 > SRandomBetween(0.0, 1.0) && !gAction_replay_mode) {
		2261	BrVector3InvScale(&vel, &vel, WORLD_SCALE);
		2262	BrVector3Scale(&tv, &vel, 0.1f);
		2263	speed = sqrt(ts / 70.0) * 15.0;
		2264	if (speed > 15.0f) {
		2265	speed = 15.0f;
		2266	}
		2267	tv.v[1] += SRandomBetween(5.0, speed) / WORLD_SCALE;
		2268	BrMatrix34TApplyV(&vel, &tv, &pCar->car_master_actor->t.t.mat);
		2269
		2270	BrVector3Cross(&tv, &vel, &pCar->water_normal);
		2271	BrVector3Scale(&tv, &tv, 0.5f);
		2272	if (BrVector3Dot(sp, &tv) <= 0.0) {
		2273	BrVector3Sub(&vel, &vel, &tv);
		2274	} else {
		2275	BrVector3Accumulate(&vel, &tv);
		2276	}
		2277	CreateSingleSpark(pCar, sp, &vel);
		2278	}
		2279	gNext_splash++;
		2280	if (gNext_splash >= COUNT_OF(gSplash)) {
		2281	gNext_splash = 0;
		2282	}
		2283	}
		2284
		2285	// IDA: void __usercall CreateSplash(tCar_spec *pCar@<EAX>, tU32 pTime@<EDX>)
		2286	void CreateSplash(tCar_spec* pCar, tU32 pTime) {
		2287	br_vector3 normal_car_space;
		2288	br_vector3 pos2;
		2289	br_vector3 v_plane;
		2290	br_vector3 p;
		2291	br_vector3 tv;
		2292	br_vector3 tv2;
		2293	br_vector3 cm;
		2294	int i;
		2295	int j;
		2296	int mask;
		2297	int axis1;
		2298	int axis2;
		2299	int axis3;
		2300	//br_bounds bnds; // Pierre-Marie Baty -- unused variable
		2301	br_scalar min;
		2302	br_scalar max;
		2303	br_scalar d;
		2304	//br_scalar d2; // Pierre-Marie Baty -- unused variable
		2305	br_scalar dist;
		2306	br_scalar dist2;
		2307	br_scalar ts;
		2308	br_vector3 back_point[2];
		2309	br_scalar back_val[2];
		2310	LOG_TRACE("(%p, %d)", pCar, pTime);
		2311
		2312	back_val[0] = 0.0;
		2313	back_val[1] = 0.0;
		2314	#ifdef DETHRACE_FIX_BUGS
		2315	BrVector3Set(&p, 0.f, 0.f, 0.f);
		2316	#endif
		2317	if (pCar->v.v[2] * pCar->v.v[2] + pCar->v.v[1] * pCar->v.v[1] + pCar->v.v[0] * pCar->v.v[0] >= 1.0) {
		2318	BrMatrix34TApplyV(&normal_car_space, &pCar->water_normal, &pCar->car_master_actor->t.t.mat);
		2319	BrMatrix34ApplyP(&tv, &pCar->bounds[0].min, &pCar->car_master_actor->t.t.mat);
		2320	min = BrVector3Dot(&pCar->water_normal, &tv) - pCar->water_d;
		2321	max = min;
		2322	for (i = 0; i < 3; ++i) {
		2323	if (normal_car_space.v[i] <= 0.0) {
		2324	max = (pCar->bounds[0].max.v[i] - pCar->bounds[0].min.v[i]) * normal_car_space.v[i] + max;
		2325	} else {
		2326	min = (pCar->bounds[0].max.v[i] - pCar->bounds[0].min.v[i]) * normal_car_space.v[i] + min;
		2327	}
		2328	}
		2329	if (min * max <= 0.0) {
		2330	BrVector3InvScale(&back_point[0], &pCar->bounds[1].min, WORLD_SCALE);
		2331	BrVector3InvScale(&back_point[1], &pCar->bounds[1].max, WORLD_SCALE);
		2332	back_point[0].v[1] = (br_scalar) 0.01; // Pierre-Marie Baty -- added type cast
		2333	ts = BrVector3Dot(&pCar->velocity_car_space, &normal_car_space);
		2334	BrVector3Scale(&tv, &normal_car_space, ts);
		2335	BrVector3Sub(&v_plane, &pCar->velocity_car_space, &tv);
		2336	d = pCar->water_d
		2337	- (pCar->car_master_actor->t.t.mat.m[3][1] * pCar->water_normal.v[1]
		2338	+ pCar->car_master_actor->t.t.mat.m[3][2] * pCar->water_normal.v[2]
		2339	+ pCar->car_master_actor->t.t.mat.m[3][0] * pCar->water_normal.v[0]);
		2340	mask = IRandomBetween(0, 3);
		2341	axis2 = 2;
		2342	for (axis1 = 0; axis1 < 3; ++axis1) {
		2343	axis3 = 3 - axis1 - axis2;
		2344	for (j = 0; j < 4; ++j) {
		2345	i = j ^ mask;
		2346	if (((j ^ mask) & 1) != 0) {
		2347	tv2.v[axis3] = back_point[0].v[axis3];
		2348	} else {
		2349	tv2.v[axis3] = back_point[1].v[axis3];
		2350	}
		2351	if (((j ^ mask) & 1) != 0) {
		2352	tv2.v[axis2] = back_point[0].v[axis2];
		2353	} else {
		2354	tv2.v[axis2] = back_point[1].v[axis2];
		2355	}
		2356
		2357	ts = d - tv2.v[axis3] * normal_car_space.v[axis3] - tv2.v[axis2] * normal_car_space.v[axis2];
		2358	ts = ts / normal_car_space.v[axis1];
		2359	if (ts >= back_point[0].v[axis1] && back_point[1].v[axis1] >= ts) {
		2360	tv2.v[axis1] = ts;
		2361	ts = BrVector3Dot(&pCar->velocity_car_space, &tv2);
		2362	if (ts >= back_val[0]) {
		2363	if (back_val[1] <= ts) {
		2364	SingleSplash(pCar, &tv2, &normal_car_space, pTime);
		2365	} else {
		2366	if (back_val[1] < 0.0) {
		2367	SingleSplash(pCar, &pos2, &normal_car_space, pTime);
		2368	}
		2369	back_val[1] = ts;
		2370	pos2 = tv2;
		2371	}
		2372	} else {
		2373	if (back_val[1] < 0.0) {
		2374	SingleSplash(pCar, &pos2, &normal_car_space, pTime);
		2375	}
		2376	back_val[1] = back_val[0];
		2377	back_val[0] = ts;
		2378	pos2 = p;
		2379	p = tv2;
		2380	}
		2381	}
		2382	}
		2383	axis2 = axis1;
		2384	}
		2385	if (back_val[1] >= 0.0) {
		2386	if (back_val[0] < 0.0) {
		2387	SingleSplash(pCar, &p, &normal_car_space, pTime);
		2388	}
		2389	} else {
		2390	tv.v[0] = pos2.v[0] - p.v[0];
		2391	tv.v[1] = pos2.v[1] - p.v[1];
		2392	tv.v[2] = pos2.v[2] - p.v[2];
		2393	BrVector3Sub(&tv, &pos2, &p);
		2394	ts = SRandomBetween((br_scalar) 0.4, (br_scalar) 0.6); // Pierre-Marie Baty -- added type casts
		2395	BrVector3Scale(&tv2, &tv, ts);
		2396	BrVector3Accumulate(&tv2, &p);
		2397	ts = SRandomBetween((br_scalar) 0.2, (br_scalar) 0.3); // Pierre-Marie Baty -- added type casts
		2398	BrVector3Scale(&cm, &tv, ts);
		2399	BrVector3Accumulate(&p, &cm);
		2400	ts = -SRandomBetween((br_scalar) 0.2, (br_scalar) 0.3); // Pierre-Marie Baty -- added type casts
		2401	BrVector3Scale(&cm, &tv, ts);
		2402	BrVector3Accumulate(&pos2, &cm);
		2403	ts = BrVector3Dot(&pCar->velocity_car_space, &normal_car_space);
		2404	BrVector3Scale(&tv, &normal_car_space, -ts);
		2405	BrVector3Add(&v_plane, &pCar->velocity_car_space, &tv);
		2406	BrVector3Normalise(&tv, &v_plane);
		2407	BrVector3Scale(&tv, &tv, -0.028985508f);
		2408	BrVector3Accumulate(&tv2, &tv);
		2409	BrVector3Scale(&tv, &tv, 0.5f);
		2410	BrVector3Accumulate(&p, &tv);
		2411	BrVector3Accumulate(&pos2, &tv);
		2412	SingleSplash(pCar, &tv2, &normal_car_space, pTime);
		2413	SingleSplash(pCar, &p, &normal_car_space, pTime);
		2414	SingleSplash(pCar, &pos2, &normal_car_space, pTime);
		2415	}
		2416	d = d * WORLD_SCALE;
		2417	dist = d - BrVector3Dot(&pCar->cmpos, &normal_car_space);
		2418	for (i = 0; pCar->extra_point_num > i; ++i) {
		2419	dist2 = d
		2420	- (pCar->extra_points[i].v[1] * normal_car_space.v[1]
		2421	+ pCar->extra_points[i].v[2] * normal_car_space.v[2]
		2422	+ pCar->extra_points[i].v[0] * normal_car_space.v[0]);
		2423	if ((dist > 0.0) != (dist2 > 0.0)) {
		2424	ts = dist / (dist - dist2);
		2425	BrVector3Sub(&tv, &pCar->extra_points[i], &pCar->cmpos);
		2426	BrVector3Scale(&tv, &tv, ts);
		2427	BrVector3Accumulate(&tv, &pCar->cmpos);
		2428	if (pCar->bounds[1].max.v[1] - 0.028985508 > tv.v[1]
		2429	\|\| pCar->bounds[1].min.v[0] > tv.v[0]
		2430	\|\| pCar->bounds[1].max.v[0] < tv.v[1]
		2431	\|\| pCar->bounds[1].min.v[2] > tv.v[2]
		2432	\|\| pCar->bounds[1].max.v[2] < tv.v[2]) {
		2433	BrVector3InvScale(&tv, &tv, WORLD_SCALE);
		2434	SingleSplash(pCar, &tv, &normal_car_space, pTime);
		2435	}
		2436	}
		2437	}
		2438	for (i = 0; i < 4; ++i) {
		2439	if ((i & 1) != 0) {
		2440	tv.v[0] = pCar->bounds[1].max.v[0];
		2441	} else {
		2442	tv.v[0] = pCar->bounds[1].min.v[0];
		2443	}
		2444	tv.v[1] = pCar->bounds[1].max.v[1];
		2445	tv.v[2] = pCar->wpos[i].v[2];
		2446	dist = d - BrVector3Dot(&tv, &normal_car_space);
		2447	dist2 = (pCar->bounds[1].max.v[1] - 0.01) * normal_car_space.v[1] + dist;
		2448	if ((dist > 0.0) != (dist2 > 0.0)) {
		2449	ts = dist / (dist - dist2);
		2450	tv.v[1] -= (pCar->bounds[1].max.v[1] - 0.01) * ts;
		2451	BrVector3InvScale(&tv, &tv, WORLD_SCALE);
		2452	SingleSplash(pCar, &tv, &normal_car_space, pTime);
		2453	}
		2454	}
		2455	} else {
		2456	min = min + 1.0;
		2457	}
		2458	}
		2459	}
		2460
		2461	// IDA: void __usercall MungeSplash(tU32 pTime@<EAX>)
		2462	void MungeSplash(tU32 pTime) {
		2463	int i;
		2464	//br_vector3 tv; // Pierre-Marie Baty -- unused variable
		2465	br_scalar dt;
		2466	br_scalar ts;
		2467	tCar_spec* car;
		2468	tVehicle_type type;
		2469	LOG_TRACE("(%d)", pTime);
		2470
		2471	if (gNum_splash_types == 0) {
		2472	return;
		2473	}
		2474	if (!gAction_replay_mode \|\| GetReplayRate() == 0.0) {
		2475	if (!gAction_replay_mode) {
		2476	for (i = 0; i < gNum_cars_and_non_cars; i++) {
		2477	if (gActive_car_list[i]->water_d != 10000.0 && gActive_car_list[i]->driver != eDriver_local_human) {
		2478	CreateSplash(gActive_car_list[i], pTime);
		2479	}
		2480	}
		2481	if (gProgram_state.current_car.water_d != 10000.0) {
		2482	CreateSplash(&gProgram_state.current_car, 100);
		2483	}
		2484	}
		2485	} else {
		2486	for (type = eVehicle_net_player; type <= eVehicle_rozzer; type++) {
		2487	for (i = 0;; i++) {
		2488	if (i >= type ? GetCarCount(type) : 1) {
		2489	break;
		2490	}
		2491	if (type) {
		2492	car = GetCarSpec(type, i);
		2493	} else {
		2494	car = &gProgram_state.current_car;
		2495	}
		2496	if (car->water_d != 10000.0 && car->driver != eDriver_local_human) {
		2497	CreateSplash(car, pTime);
		2498	}
		2499	}
		2500	}
		2501	if (gProgram_state.current_car.water_d != 10000.0) {
		2502	CreateSplash(&gProgram_state.current_car, 0x64u);
		2503	}
		2504	}
		2505	if (!gSplash_flags) {
		2506	return;
		2507	}
		2508	for (i = 0; i < COUNT_OF(gSplash); i++) {
		2509	if (((1u << i) & gSplash_flags) == 0) {
		2510	continue;
		2511	}
		2512	if (gSplash[i].just_done \|\| (gAction_replay_mode && GetReplayRate() == 0.0f)) {
		2513	dt = gSplash[i].size * gSplash[i].scale_x;
		2514	gSplash[i].actor->t.t.mat.m[0][0] = gCamera_to_world.m[0][0] * dt;
		2515	gSplash[i].actor->t.t.mat.m[0][1] = gCamera_to_world.m[0][1] * dt;
		2516	gSplash[i].actor->t.t.mat.m[0][2] = gCamera_to_world.m[0][2] * dt;
		2517	gSplash[i].actor->t.t.mat.m[1][0] = gSplash[i].size * gCamera_to_world.m[1][0];
		2518	gSplash[i].actor->t.t.mat.m[1][1] = gSplash[i].size * gCamera_to_world.m[1][1];
		2519	gSplash[i].actor->t.t.mat.m[1][2] = gSplash[i].size * gCamera_to_world.m[1][2];
		2520	gSplash[i].actor->t.t.mat.m[2][0] = gSplash[i].size * gCamera_to_world.m[2][0];
		2521	gSplash[i].actor->t.t.mat.m[2][1] = gSplash[i].size * gCamera_to_world.m[2][1];
		2522	gSplash[i].actor->t.t.mat.m[2][2] = gSplash[i].size * gCamera_to_world.m[2][2];
		2523	if (gProgram_state.cockpit_on) {
		2524	ts = sqrt(gCamera_to_world.m[0][2] * gCamera_to_world.m[0][2] + gCamera_to_world.m[0][0] * gCamera_to_world.m[0][0]);
		2525	DRMatrix34PreRotateZ(&gSplash[i].actor->t.t.mat, -FastScalarArcTan2Angle(gCamera_to_world.m[0][1], ts));
		2526	}
		2527	gSplash[i].just_done = 0;
		2528	} else {
		2529	gSplash_flags &= ~(1u << i);
		2530	BrActorRemove(gSplash[i].actor);
		2531	}
		2532	}
		2533	}
		2534
		2535	// IDA: void __cdecl RenderSplashes()
		2536	void RenderSplashes(void) {
		2537	int i;
		2538	LOG_TRACE("()");
		2539
		2540	for (i = 0; i < COUNT_OF(gSplash); i++) {
		2541	if (gSplash_flags & (1u << i)) {
		2542	BrActorRelink(gNon_track_actor, gSplash[i].actor);
		2543	BrZbSceneRenderAdd(gSplash[i].actor);
		2544	BrActorRelink(gDont_render_actor, gSplash[i].actor);
		2545	}
		2546	}
		2547	}
		2548
		2549	// IDA: void __usercall GetSmokeShadeTables(FILE *f@<EAX>)
		2550	void GetSmokeShadeTables(FILE* f) {
		2551	int i;
		2552	int red;
		2553	int green;
		2554	int blue;
		2555	br_scalar quarter;
		2556	br_scalar half;
		2557	br_scalar three_quarter;
		2558	LOG_TRACE("(%p)", f);
		2559
		2560	gNum_dust_tables = GetAnInt(f);
		2561	if (gNum_dust_tables > 8) {
		2562	gNum_dust_tables = 8;
		2563	}
		2564	for (i = 0; gNum_dust_tables > i; ++i) {
		2565	PossibleService();
		2566	GetThreeInts(f, &red, &green, &blue);
		2567	GetThreeScalars(f, &quarter, &half, &three_quarter);
		2568	gDust_table[i] = GenerateShadeTable(16, gRender_palette, red, green, blue, quarter, half, three_quarter);
		2569	}
		2570	}
		2571
		2572	// IDA: void __cdecl FreeSmokeShadeTables()
		2573	void FreeSmokeShadeTables(void) {
		2574	int i;
		2575	LOG_TRACE("()");
		2576
		2577	for (i = 0; i < gNum_dust_tables; i++) {
		2578	PossibleService();
		2579	BrTableRemove(gDust_table[i]);
		2580	BrPixelmapFree(gDust_table[i]);
		2581	}
		2582	}
		2583
		2584	// IDA: void __usercall LoadInKevStuff(FILE *pF@<EAX>)
		2585	void LoadInKevStuff(FILE* pF) {
		2586	LOG_TRACE("(%p)", pF);
		2587
		2588	PossibleService();
		2589	LoadInShrapnel();
		2590	PossibleService();
		2591	InitShrapnel();
		2592	PossibleService();
		2593	InitFlame();
		2594	PossibleService();
		2595	InitSplash(pF);
		2596	}
		2597
		2598	// IDA: void __cdecl DisposeKevStuff()
		2599	void DisposeKevStuff(void) {
		2600	LOG_TRACE("()");
		2601
		2602	DisposeShrapnel();
		2603	DisposeFlame();
		2604	DisposeSplash();
		2605	}
		2606
		2607	// IDA: void __usercall DisposeKevStuffCar(tCar_spec *pCar@<EAX>)
		2608	void DisposeKevStuffCar(tCar_spec* pCar) {
		2609	int i;
		2610	LOG_TRACE("(%p)", pCar);
		2611
		2612	for (i = 0; i < MAX_SMOKE_COLUMNS; i++) {
		2613	if (gSmoke_column[i].car == pCar) {
		2614	gSmoke_column[i].lifetime = 0;
		2615	gSmoke_column[i].car = NULL;
		2616	}
		2617	}
		2618	for (i = 0; i < COUNT_OF(gSparks); i++) {
		2619	if ((gSpark_flags & (1u << i)) && gSparks[i].car == pCar) {
		2620	gSparks[i].count = 0;
		2621	gSpark_flags &= ~(1u << i);
		2622	}
		2623	if (gCar_to_view == pCar) {
		2624	gCamera_yaw = 0;
		2625	gCar_to_view = &gProgram_state.current_car;
		2626	InitialiseExternalCamera();
		2627	PositionExternalCamera(gCar_to_view, 200);
		2628	gCar_to_view = &gProgram_state.current_car;
		2629	}
		2630	}
		2631	}
		2632
		2633	// IDA: void __cdecl DoTrueColModelThing(br_actor actor, br_model pModel, br_material material, void render_data, br_uint_8 style, int on_screen)
		2634	void DoTrueColModelThing(br_actor* actor, br_model* pModel, br_material* material, void* render_data, br_uint_8 style, int on_screen) {
20	pmbaty	2635	//int group; // Pierre-Marie Baty -- unused variable
		2636	//int j; // Pierre-Marie Baty -- unused variable
		2637	//int val; // Pierre-Marie Baty -- unused variable
1	pmbaty	2638	LOG_TRACE("(%p, %p, %p, %p, %d, %d)", actor, pModel, material, render_data, style, on_screen);
		2639	NOT_IMPLEMENTED();
		2640	}
		2641
		2642	// IDA: void __cdecl DoModelThing(br_actor actor, br_model pModel, br_material material, void render_data, br_uint_8 style, int on_screen)
		2643	void DoModelThing(br_actor* actor, br_model* pModel, br_material* material, void* render_data, br_uint_8 style, int on_screen) {
20	pmbaty	2644	//int j; // Pierre-Marie Baty -- unused variable
		2645	//int i; // Pierre-Marie Baty -- unused variable
		2646	//int group; // Pierre-Marie Baty -- unused variable
		2647	//tU32 t; // Pierre-Marie Baty -- unused variable
		2648	//int val; // Pierre-Marie Baty -- unused variable
1	pmbaty	2649	LOG_TRACE("(%p, %p, %p, %p, %d, %d)", actor, pModel, material, render_data, style, on_screen);
20	pmbaty	2650	NOT_IMPLEMENTED();
1	pmbaty	2651	}
		2652
		2653	// IDA: void __usercall SetModelShade(br_actor pActor@<EAX>, br_pixelmap pShade@<EDX>)
		2654	void SetModelShade(br_actor* pActor, br_pixelmap* pShade) {
		2655	int i;
		2656	br_material* material;
		2657	br_model* model;
		2658	LOG_TRACE("(%p, %p)", pActor, pShade);
		2659
		2660	model = pActor->model;
		2661	if (pActor->material != NULL && pActor->material->index_shade != pShade) {
		2662	pActor->material->index_shade = pShade;
		2663	BrMaterialUpdate(pActor->material, BR_MATU_ALL);
		2664	}
		2665	for (i = 0; i < model->nfaces; i++) {
		2666	material = model->faces[i].material;
		2667	if (material != NULL && material->index_shade != pShade) {
		2668	material->index_shade = pShade;
		2669	BrMaterialUpdate(material, BR_MATU_ALL);
		2670	}
		2671	}
		2672	}
		2673
		2674	// IDA: void __usercall MakeCarIt(tCar_spec *pCar@<EAX>)
		2675	void MakeCarIt(tCar_spec* pCar) {
		2676	br_actor* actor;
		2677	br_actor* bonny;
		2678	br_pixelmap* shade[6];
		2679	static int shade_num = 0;
		2680	//int i; // Pierre-Marie Baty -- unused variable
		2681	LOG_TRACE("(%p)", pCar);
		2682
20	pmbaty	2683	STUB();
		2684	return;
		2685
1	pmbaty	2686	shade[0] = gIt_shade_table;
		2687	shade[1] = gFog_shade_table;
		2688	shade[2] = gShade_list[0];
		2689	shade[3] = gShade_list[1];
		2690	shade[4] = gShade_list[2];
		2691	shade[5] = NULL;
		2692
		2693	actor = pCar->car_model_actors[pCar->principal_car_actor].actor;
		2694	bonny = pCar->car_model_actors[pCar->car_actor_count - 1].actor;
20	pmbaty	2695	if (((actor->model->flags & BR_MODF_CUSTOM) == 0) \|\| actor->model->custom != DoTrueColModelThing) {
1	pmbaty	2696	SetModelShade(actor, shade[shade_num]);
20	pmbaty	2697	actor->model->user = DoTrueColModelThing;
		2698	actor->model->custom = DoTrueColModelThing;
1	pmbaty	2699	actor->model->flags \|= BR_MODF_CUSTOM;
		2700	if (bonny != actor) {
20	pmbaty	2701	bonny->model->user = DoTrueColModelThing;
		2702	bonny->model->custom = DoTrueColModelThing;
1	pmbaty	2703	bonny->model->flags \|= BR_MODF_CUSTOM;
		2704	SetModelShade(bonny, shade[shade_num]);
		2705	}
		2706	}
		2707	}
		2708
		2709	// IDA: void __usercall StopCarBeingIt(tCar_spec *pCar@<EAX>)
		2710	void StopCarBeingIt(tCar_spec* pCar) {
20	pmbaty	2711	//int i; // Pierre-Marie Baty -- unused variable
		2712	//int group; // Pierre-Marie Baty -- unused variable
		2713	//br_actor* actor; // Pierre-Marie Baty -- unused variable
		2714	//br_actor* bonny; // Pierre-Marie Baty -- unused variable
1	pmbaty	2715	LOG_TRACE("(%p)", pCar);
20	pmbaty	2716	STUB();
1	pmbaty	2717	}

Subversion Repositories Games.Carmageddon

Games.Carmageddon/src/DETHRACE/common/spark.c – Rev 20