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

Rev	Author	Line No.	Line
1	pmbaty	1	#include "graphics.h"
		2
		3	#include "brender/brender.h"
		4	#include "car.h"
		5	#include "constants.h"
		6	#include "controls.h"
		7	#include "depth.h"
		8	#include "displays.h"
		9	#include "errors.h"
		10	#include "finteray.h"
		11	#include "flicplay.h"
		12	#include "globvars.h"
		13	#include "globvrpb.h"
		14	#include "grafdata.h"
		15	#include "harness/hooks.h"
		16	#include "harness/os.h"
		17	#include "harness/trace.h"
		18	#include "init.h"
		19	#include "input.h"
		20	#include "loading.h"
		21	#include "netgame.h"
		22	#include "network.h"
		23	#include "oil.h"
		24	#include "opponent.h"
		25	#include "pd/sys.h"
		26	#include "pedestrn.h"
		27	#include "piping.h"
		28	#include "powerup.h"
		29	#include "pratcam.h"
		30	#include "replay.h"
		31	#include "sound.h"
		32	#include "spark.h"
		33	#include "trig.h"
		34	#include "utility.h"
		35	#include "world.h"
		36	#include <limits.h>
		37	#include <stdlib.h>
		38
		39	#include <math.h>
		40
		41	int gPalette_munged;
		42	int gColourValues[1];
		43	int gNext_transient;
		44	int gCursor_x_offsets[8] = {
		45	6,
		46	8,
		47	16,
		48	36,
		49	6,
		50	8,
		51	16,
		52	36,
		53	};
		54	int gCursor_y_offsets[8] = {
		55	26,
		56	19,
		57	12,
		58	5,
		59	26,
		60	19,
		61	12,
		62	5,
		63	};
		64	int gCursor_gib_x_offsets[8] = {
		65	82,
		66	72,
		67	66,
		68	36,
		69	82,
		70	72,
		71	66,
		72	36,
		73	};
		74	int gCursor_gib_y_offsets[8] = {
		75	74,
		76	86,
		77	93,
		78	106,
		79	74,
		80	86,
		81	93,
		82	106,
		83	};
		84	int gCursor_giblet_sequence0[7] = {
		85	6,
		86	0,
		87	1,
		88	2,
		89	3,
		90	4,
		91	5,
		92	};
		93	int gCursor_giblet_sequence1[5] = {
		94	4,
		95	6,
		96	7,
		97	8,
		98	9,
		99	};
		100	int gCursor_giblet_sequence2[5] = {
		101	4,
		102	10,
		103	11,
		104	12,
		105	13,
		106	};
		107	int gCursor_giblet_sequence3[5] = {
		108	4,
		109	14,
		110	15,
		111	16,
		112	17,
		113	};
		114	int* gCursor_giblet_sequences[4] = {
		115	gCursor_giblet_sequence0,
		116	gCursor_giblet_sequence1,
		117	gCursor_giblet_sequence2,
		118	gCursor_giblet_sequence3,
		119	};
		120	char* gFont_names[21] = {
		121	"TYPEABLE",
		122	"ORANGHED",
		123	"BLUEHEAD",
		124	"GREENHED",
		125	"MEDIUMHD",
		126	"TIMER",
		127	"NEWHITE",
		128	"NEWRED",
		129	"NEWBIGGR",
		130	"GRNDK",
		131	"GRNLIT",
		132	"GRYDK",
		133	"GRYLIT",
		134	"BUTTIN",
		135	"BUTTOUT",
		136	"LITPLAQ",
		137	"DRKPLAQ",
		138	"BUTTIN1",
		139	"BUTTOUT1",
		140	"LITPLAQ1",
		141	"DRKPLAQ1"
		142	};
		143	br_colour gRGB_colours[9] = {
		144	0u,
		145	16777215u,
		146	16711680u,
		147	65280u,
		148	255u,
		149	16776960u,
		150	65535u,
		151	16711935u,
		152	13649666u
		153	};
		154	br_matrix34 gSheer_mat = {
		155	{ { 1.0, 0.0, 0.0 },
		156	{ 0.0, 1.0, 0.0 },
		157	{ 0.0, 0.0, 1.0 },
		158	{ 0.0, 0.0, 0.0 } }
		159	};
		160	br_matrix34 gIdentity34 = {
		161	{ { 1.0, 0.0, 0.0 },
		162	{ 0.0, 1.0, 0.0 },
		163	{ 0.0, 0.0, 1.0 },
		164	{ 0.0, 0.0, 0.0 } }
		165	};
		166	tShadow_level gShadow_level = eShadow_us_only;
		167	br_scalar gShadow_hither_z_move;
		168	br_scalar gShadow_hither_min_move;
		169	/* clang-format off */
		170	// arrows pointing to 180, 202, 224, 246 degrees (step = 90 / 4 = 22(.5) degrees)
		171	int gArrows[2][4][60] =
		172	{
		173	{
		174	// inner arrow (=fill)
		175	{ 10, 0, 0, -1, 0, 1, 0, 0, -1, 0, -2, 0, 1, -1, 1, 1, 1, -2, 2, 2, 2, },
		176	{ 11, 0, 0, -1, 0, 1, 0, 0, -1, 1, -1, 1, -2, -2, 1, -1, 1, 0, 1, 1, 1, 1, 2, },
		177	{ 9, 0, 0, -2, 0, -1, 0, 1, 0, 0, -1, 1, -1, 2, -2, 0, 1, 0, 2, },
		178	{ 11, 0, 0, -1, 0, 1, 0, -2, -1, -1, -1, 0, -1, 1, -1, 2, -1, -1, 1, 0, 1, -1, 2, },
		179	},
		180	{
		181	// outer arrow (=border)
		182	{ 26, 1, -3, 1, -2, 1, -1, 2, -1, 2, 0, 2, 1, 3, 1, 3, 2, 3, 3, 2, 3, 1, 3, 1, 2, 0, 2, -1, 2,
		183	-1, 3, -2, 3, -3, 3, -3, 2, -3, 1, -2, 1, -2, 0, -2, -1, -1, -1, -1, -2, -1, -3, 0, -3, },
		184	{ 22, 0, -3, 1, -3, 2, -3, 2, -2, 2, -1, 2, 0, 2, 1, 2, 2, 2, 3, 1, 3, 0, 3, 0, 2, -1, 2, -2, 2,
		185	-3, 2, -3, 1, -3, 0, -2, 0, -2, -1, -1, -1, -1, -2, 0, -2, },
		186	{ 24, 1, -3, 2, -3, 3, -3, 3, -2, 3, -1, 2, -1, 2, 0, 2, 1, 1, 1, 1, 2, 1, 3, 0, 3, -1, 3, -1, 2,
		187	-1, 1, -2, 1, -3, 1, -3, 0, -3, -1, -2, -1, -1, -1, -1, -2, 0, -2, 1, -2, },
		188	{ 22, -3, -2, -2, -2, -1, -2, 0, -2, 1, -2, 2, -2, 3, -2, 3, -1, 3, 0, 2, 0, 2, 1, 1, 1, 1, 2, 0, 2,
		189	0, 3, -1, 3, -2, 3, -2, 2, -2, 1, -2, 0, -3, 0, -3, -1, },
		190	},
		191	};
		192	/* clang-format on */
		193
		194	float gMap_render_x = 80.f;
		195	float gMap_render_y = 6.f;
		196	float gMap_render_width = 64.f;
		197	float gMap_render_height = 40.f;
		198	int gMouse_started;
		199	int gFaded_palette;
		200	int gAR_fudge_headups;
		201	br_pixelmap* gCurrent_splash;
		202	br_pixelmap* gCurrent_conversion_table;
		203	int gMap_colours[4] = { 4, 0, 52, 132 };
		204	br_vector3 gShadow_points[8];
		205	tConcussion gConcussion;
		206	tClip_details gShadow_clip_planes[8];
		207	br_actor* gLollipops[100];
		208	tWobble_spec gWobble_array[5];
		209	tSaved_table gSaved_shade_tables[100];
		210	tCursor_giblet gCursor_giblets[45];
		211	tTransient_bm gTransient_bitmaps[50];
		212	float gCosine_array[64];
		213	br_pixelmap* gCursors[8];
		214	br_pixelmap* gCursor_giblet_images[18];
		215	br_pixelmap* gEval_1;
		216	br_pixelmap* gEval_2;
		217	br_vector3 gShadow_light_z;
		218	br_vector3 gShadow_light_x;
		219	int gShadow_dim_amount;
		220	int gNumber_of_lollipops;
		221	br_vector3 gShadow_light_ray;
		222	int gFancy_shadow;
		223	br_model* gShadow_model;
		224	br_actor* gShadow_actor;
		225	int gShadow_clip_plane_count;
		226	br_pixelmap* gPalette_conversion_table;
		227	br_material* gShadow_material;
		228	int gSaved_table_count;
		229	int gCurrent_cursor_index;
		230	int gPalette_index;
		231	int gCursor_transient_index;
		232	char* gScratch_pixels;
		233	br_pixelmap* gScratch_palette;
		234	int gLast_palette_change;
		235	br_pixelmap* gOrig_render_palette;
		236	br_pixelmap* gCurrent_palette;
		237	br_pixelmap* gRender_palette;
		238	float gCamera_to_horiz_angle;
		239	int gColours[9];
		240	br_pixelmap* gFlic_palette;
		241	tDR_font gFonts[21];
		242	char* gCurrent_palette_pixels;
		243	int gWidth;
		244	int gMap_render_height_i;
		245	int gScreen_wobble_x;
		246	int gScreen_wobble_y;
		247	br_scalar gCurrent_ambience;
		248	int gY_offset;
		249	int gMap_render_width_i;
		250	int gMouse_in_use;
		251	int gHeight;
		252	int gMouse_last_y_coord;
		253	int gMouse_last_x_coord;
		254	br_scalar gAmbient_adjustment;
		255	int gMap_render_x_i;
		256	int gX_offset;
		257	int gMap_render_y_i;
		258	int gMirror_on__graphics; // suffix added to avoid duplicate symbol
		259	br_scalar gYon_squared;
		260
		261	#define SHADOW_D_IGNORE_FLAG 10000.0
		262
		263	// IDA: void __cdecl TurnOnPaletteConversion()
		264	void TurnOnPaletteConversion(void) {
		265	LOG_TRACE("()");
		266
		267	gCurrent_conversion_table = gPalette_conversion_table;
		268	}
		269
		270	// IDA: void __cdecl TurnOffPaletteConversion()
		271	void TurnOffPaletteConversion(void) {
		272	LOG_TRACE("()");
		273
		274	gCurrent_conversion_table = NULL;
		275	}
		276
		277	// IDA: void __cdecl ResetLollipopQueue()
		278	void ResetLollipopQueue(void) {
		279	LOG_TRACE("()");
		280
		281	gNumber_of_lollipops = 0;
		282	}
		283
		284	// IDA: int __usercall AddToLollipopQueue@<EAX>(br_actor *pActor@<EAX>, int pIndex@<EDX>)
		285	int AddToLollipopQueue(br_actor* pActor, int pIndex) {
		286	LOG_TRACE("(%p, %d)", pActor, pIndex);
		287
		288	if (pIndex >= 0) {
		289	gLollipops[pIndex] = pActor;
		290	} else if (gNumber_of_lollipops >= 100) {
		291	pIndex = -1;
		292	} else {
		293	gLollipops[gNumber_of_lollipops] = pActor;
		294	pIndex = gNumber_of_lollipops;
		295	gNumber_of_lollipops++;
		296	}
		297	return pIndex;
		298	}
		299
		300	// IDA: void __cdecl RenderLollipops()
		301	void RenderLollipops(void) {
		302	int i;
		303	int must_relink;
		304	br_actor** the_actor;
		305	br_actor* old_parent;
		306	LOG_TRACE("()");
		307
		308	for (i = 0, the_actor = gLollipops; i < gNumber_of_lollipops; i++, the_actor++) {
		309	if ((*the_actor)->render_style == BR_RSTYLE_NONE) {
		310	must_relink = (*the_actor)->parent != gDont_render_actor;
		311	if (must_relink) {
		312	old_parent = (*the_actor)->parent;
		313	BrActorRelink(gDont_render_actor, *the_actor);
		314	}
		315	(*the_actor)->render_style = BR_RSTYLE_FACES;
		316	SetPedMaterialForRender(*the_actor);
		317	BrZbSceneRenderAdd(*the_actor);
		318	(*the_actor)->render_style = BR_RSTYLE_NONE;
		319	if (must_relink) {
		320	BrActorRelink(old_parent, *the_actor);
		321	}
		322	}
		323	}
		324	}
		325
		326	// IDA: void __usercall DRDrawLine(br_pixelmap *pDestn@<EAX>, int pX1@<EDX>, int pY1@<EBX>, int pX2@<ECX>, int pY2, int pColour)
		327	void DRDrawLine(br_pixelmap* pDestn, int pX1, int pY1, int pX2, int pY2, int pColour) {
		328	//tU8* d_ptr; // Pierre-Marie Baty -- unused variable
		329	//tS32 y_delta; // Pierre-Marie Baty -- unused variable
		330	//tS32 x_delta; // Pierre-Marie Baty -- unused variable
		331	//tU32 current_y; // Pierre-Marie Baty -- unused variable
		332	//tU32 current_x; // Pierre-Marie Baty -- unused variable
		333	//int row_bytes; // Pierre-Marie Baty -- unused variable
		334	//int x; // Pierre-Marie Baty -- unused variable
		335	//int y; // Pierre-Marie Baty -- unused variable
		336	//int the_diff; // Pierre-Marie Baty -- unused variable
		337	LOG_TRACE("(%p, %d, %d, %d, %d, %d)", pDestn, pX1, pY1, pX2, pY2, pColour);
		338
		339	BrPixelmapLine(pDestn, pX1, pY1, pX2, pY2, pColour);
		340	}
		341
		342	// IDA: void __usercall DrawDigitAt(br_pixelmap *gImage@<EAX>, int pX@<EDX>, int pY@<EBX>, int pY_pitch@<ECX>, int pValue)
		343	void DrawDigitAt(br_pixelmap* gImage, int pX, int pY, int pY_pitch, int pValue) {
		344	LOG_TRACE("(%p, %d, %d, %d, %d)", gImage, pX, pY, pY_pitch, pValue);
		345
		346	DRPixelmapRectangleMaskedCopy(gBack_screen, pX, pY, gImage, 0, pY_pitch * pValue, gImage->width, pY_pitch);
		347	}
		348
		349	// IDA: void __usercall DrawNumberAt(br_pixelmap *gImage@<EAX>, int pX@<EDX>, int pY@<EBX>, int pX_pitch@<ECX>, int pY_pitch, int pValue, int pDigit_count, int pLeading_zeroes)
		350	void DrawNumberAt(br_pixelmap* gImage, int pX, int pY, int pX_pitch, int pY_pitch, int pValue, int pDigit_count, int pLeading_zeroes) {
		351	int i;
		352	int the_value;
		353	LOG_TRACE("(%p, %d, %d, %d, %d, %d, %d, %d)", gImage, pX, pY, pX_pitch, pY_pitch, pValue, pDigit_count, pLeading_zeroes);
		354
		355	for (i = pDigit_count - 1; i >= 0; i--) {
		356	the_value = pValue % 10;
		357	pValue /= 10;
		358	if (pValue \|\| pLeading_zeroes \|\| pDigit_count - 1 == i) {
		359	DrawDigitAt(gImage, pX + pX_pitch * i, pY, pY_pitch, the_value);
		360	}
		361	}
		362	}
		363
		364	// IDA: void __usercall BuildColourTable(br_pixelmap *pPalette@<EAX>)
		365	void BuildColourTable(br_pixelmap* pPalette) {
		366	int i;
		367	int j;
		368	int nearest_index = 0;
		369	int red;
		370	int green;
		371	int blue;
		372	float nearest_distance;
		373	float distance;
		374	LOG_TRACE("(%p)", pPalette);
		375
		376	#define SQR(i) i* i
		377
		378	for (i = 0; i < COUNT_OF(gRGB_colours); i++) {
		379	nearest_distance = 196608.f;
		380	red = (gRGB_colours[i] >> 16) & 0xFF;
		381	green = (gRGB_colours[i] >> 8) & 0xFF;
		382	blue = gRGB_colours[i] & 0xFF;
		383	for (j = 0; j < 256; j++) {
		384	distance = SQR((double)(signed int)(((br_uint_8)pPalette->pixels + 4 * j + 2) - red));
		385	distance += SQR((double)(signed int)(((br_uint_8)pPalette->pixels + 4 * j) - blue));
		386	distance += SQR((double)(signed int)(((br_uint_8)pPalette->pixels + 4 * j + 1) - green));
		387	if (distance < nearest_distance) {
		388	nearest_index = j;
		389	nearest_distance = distance;
		390	}
		391	}
		392	gColours[i] = nearest_index;
		393	}
		394	}
		395
		396	// IDA: void __cdecl ClearConcussion()
		397	void ClearConcussion(void) {
		398	LOG_TRACE("()");
		399
		400	gConcussion.concussed = 0;
		401	}
		402
		403	// IDA: tS8* __usercall SkipLines@<EAX>(tS8 *pSource@<EAX>, int pCount@<EDX>)
		404	tS8* SkipLines(tS8* pSource, int pCount) {
		405	int i;
		406	int j;
		407	int number_of_chunks;
		408	int chunk_length;
		409	LOG_TRACE("(%p, %d)", pSource, pCount);
		410
		411	for (i = 0; i < pCount; ++i) {
		412	number_of_chunks = *pSource++;
		413	for (j = 0; j < number_of_chunks; j++) {
		414	chunk_length = *pSource++;
		415	if (chunk_length < 0) {
		416	pSource -= chunk_length;
		417	}
		418	}
		419	}
		420	return pSource;
		421	}
		422
		423	// IDA: void __usercall CopyWords(char pDst@<EAX>, char pSrc@<EDX>, int pN@<EBX>)
		424	void CopyWords(char* pDst, char* pSrc, int pN) {
		425	//tU16* dst; // Pierre-Marie Baty -- unused variable
		426	//tU16* src; // Pierre-Marie Baty -- unused variable
		427	LOG_TRACE("(\"%s\", \"%s\", %d)", pDst, pSrc, pN);
		428	NOT_IMPLEMENTED();
		429	}
		430
		431	// IDA: void __usercall Copy8BitStripImageTo16Bit(br_pixelmap pDest@<EAX>, br_int_16 pDest_x@<EDX>, br_int_16 pOffset_x@<EBX>, br_int_16 pDest_y@<ECX>, br_int_16 pOffset_y, tS8 pSource, br_int_16 pSource_x, br_int_16 pSource_y, br_uint_16 pWidth, br_uint_16 pHeight)
		432	void Copy8BitStripImageTo16Bit(br_pixelmap* pDest, br_int_16 pDest_x, br_int_16 pOffset_x, br_int_16 pDest_y, br_int_16 pOffset_y, tS8* pSource, br_int_16 pSource_x, br_int_16 pSource_y, br_uint_16 pWidth, br_uint_16 pHeight) {
		433	//int i; // Pierre-Marie Baty -- unused variable
		434	//int j; // Pierre-Marie Baty -- unused variable
		435	//int height; // Pierre-Marie Baty -- unused variable
		436	//int number_of_chunks; // Pierre-Marie Baty -- unused variable
		437	//int old_x_byte; // Pierre-Marie Baty -- unused variable
		438	//int x_byte; // Pierre-Marie Baty -- unused variable
		439	//int off_the_left; // Pierre-Marie Baty -- unused variable
		440	//int destn_width; // Pierre-Marie Baty -- unused variable
		441	//int chunk_length; // Pierre-Marie Baty -- unused variable
		442	//char* destn_ptr; // Pierre-Marie Baty -- unused variable
		443	//char* destn_ptr2; // Pierre-Marie Baty -- unused variable
		444	LOG_TRACE("(%p, %d, %d, %d, %d, %p, %d, %d, %d, %d)", pDest, pDest_x, pOffset_x, pDest_y, pOffset_y, pSource, pSource_x, pSource_y, pWidth, pHeight);
		445	NOT_IMPLEMENTED();
		446	}
		447
		448	// IDA: void __usercall CopyStripImage(br_pixelmap pDest@<EAX>, br_int_16 pDest_x@<EDX>, br_int_16 pOffset_x@<EBX>, br_int_16 pDest_y@<ECX>, br_int_16 pOffset_y, tS8 pSource, br_int_16 pSource_x, br_int_16 pSource_y, br_uint_16 pWidth, br_uint_16 pHeight)
		449	void CopyStripImage(br_pixelmap* pDest, br_int_16 pDest_x, br_int_16 pOffset_x, br_int_16 pDest_y, br_int_16 pOffset_y, tS8* pSource, br_int_16 pSource_x, br_int_16 pSource_y, br_uint_16 pWidth, br_uint_16 pHeight) {
		450	int i;
		451	int j;
		452	int height;
		453	int number_of_chunks;
		454	int old_x_byte;
		455	int x_byte;
		456	int off_the_left;
		457	//int destn_width; // Pierre-Marie Baty -- unused variable
		458	int chunk_length;
		459	char* destn_ptr;
		460	char* destn_ptr2;
		461	LOG_TRACE8("(%p, %d, %d, %d, %d, %p, %d, %d, %d, %d)", pDest, pDest_x, pOffset_x, pDest_y, pOffset_y, pSource, pSource_x, pSource_y, pWidth, pHeight);
		462
		463	height = (uint16_t)pSource;
		464	pSource = pSource + 2;
		465	if (pDest_y + pOffset_y >= 0) {
		466	destn_ptr = (char)pDest->pixels + pDest->row_bytes (pDest_y + pOffset_y);
		467	} else {
		468	pSource = SkipLines(pSource, -pDest_y - pOffset_y);
		469	destn_ptr = (char*)pDest->pixels;
		470	height += pDest_y + pOffset_y;
		471	pOffset_y = 0;
		472	pDest_y = 0;
		473	}
		474
		475	if (height + pDest_y + pOffset_y > pDest->height) {
		476	height = pDest->height - pDest_y - pOffset_y;
		477	}
		478	off_the_left = pDest_x + pOffset_x;
		479	if (off_the_left > 0) {
		480	destn_ptr += off_the_left;
		481	}
		482	for (i = 0; i < height; i++) {
		483	destn_ptr2 = destn_ptr;
		484	number_of_chunks = *pSource;
		485	pSource++;
		486	x_byte = off_the_left;
		487	for (j = 0; j < number_of_chunks; j++) {
		488	chunk_length = *pSource;
		489	pSource++;
		490	if (chunk_length >= 0) {
		491	old_x_byte = x_byte;
		492	x_byte += chunk_length;
		493	if (old_x_byte >= 0) {
		494	destn_ptr2 += chunk_length;
		495	} else if (x_byte > 0) {
		496	destn_ptr2 += chunk_length + old_x_byte;
		497	}
		498	} else {
		499	old_x_byte = x_byte;
		500	x_byte += -chunk_length;
		501	if (old_x_byte >= 0) {
		502	if (pDest->width >= x_byte) {
		503	memcpy(destn_ptr2, pSource, -chunk_length);
		504	destn_ptr2 += -chunk_length;
		505	} else if (old_x_byte < pDest->width) {
		506	memcpy(destn_ptr2, pSource, pDest->width - old_x_byte);
		507	}
		508	} else if (x_byte > 0) {
		509	memcpy(destn_ptr2, &pSource[-old_x_byte], -chunk_length + old_x_byte);
		510	destn_ptr2 += -chunk_length + old_x_byte;
		511	}
		512	pSource += -chunk_length;
		513	}
		514	}
		515	destn_ptr += pDest->row_bytes;
		516	}
		517	}
		518
		519	// IDA: void __usercall SetBRenderScreenAndBuffers(int pX_offset@<EAX>, int pY_offset@<EDX>, int pWidth@<EBX>, int pHeight@<ECX>)
		520	void SetBRenderScreenAndBuffers(int pX_offset, int pY_offset, int pWidth, int pHeight) {
		521	LOG_TRACE("(%d, %d, %d, %d)", pX_offset, pY_offset, pWidth, pHeight);
		522
		523	PDAllocateScreenAndBack();
		524	if (!pWidth) {
		525	pWidth = gBack_screen->width;
		526	}
		527	if (!pHeight) {
		528	pHeight = gBack_screen->height;
		529	}
		530	gRender_screen = DRPixelmapAllocateSub(gBack_screen, pX_offset, pY_offset, pWidth, pHeight);
		531	gWidth = pWidth;
		532	gHeight = pHeight;
		533	gY_offset = pY_offset;
		534	gX_offset = pX_offset;
		535	if (gGraf_specs[gGraf_spec_index].doubled) {
		536	gScreen->base_x = (gGraf_specs[gGraf_spec_index].phys_width - 2 * gGraf_specs[gGraf_spec_index].total_width) / 2;
		537	gScreen->base_y = (gGraf_specs[gGraf_spec_index].phys_height - 2 * gGraf_specs[gGraf_spec_index].total_height) / 2;
		538	} else {
		539	gScreen->base_x = (gGraf_specs[gGraf_spec_index].phys_width - gGraf_specs[gGraf_spec_index].total_width) / 2;
		540	gScreen->base_y = (gGraf_specs[gGraf_spec_index].phys_height - gGraf_specs[gGraf_spec_index].total_height) / 2;
		541	}
		542
		543	gScreen->origin_x = 0;
		544	gScreen->origin_y = 0;
		545	if (gBack_screen == NULL) {
		546	FatalError(kFatalError_AllocateOffScreenBuffer);
		547	}
		548	gDepth_buffer = BrPixelmapMatch(gBack_screen, BR_PMMATCH_DEPTH_16);
		549	if (gDepth_buffer == NULL) {
		550	FatalError(kFatalError_AllocateZBuffer);
		551	}
		552	BrZbBegin(gRender_screen->type, gDepth_buffer->type);
		553	gBrZb_initialized = 1;
		554	}
		555
		556	// IDA: void __cdecl SetIntegerMapRenders()
		557	void SetIntegerMapRenders(void) {
		558	LOG_TRACE("()");
		559
		560	gMap_render_x_i = ((int)gMap_render_x) & ~3;
		561	gMap_render_y_i = ((int)gMap_render_y) & ~1;
		562	gMap_render_width_i = ((int)gMap_render_width) & ~3;
		563	gMap_render_height_i = ((int)gMap_render_height) & ~1;
		564	if (gReal_graf_data_index != 0) {
		565	gMap_render_x_i = 2 * gMap_render_x_i;
		566	gMap_render_y_i = 2 * gMap_render_y_i + 40;
		567	gMap_render_width_i = 2 * gMap_render_width_i;
		568	gMap_render_height_i = 2 * gMap_render_height_i;
		569	}
		570	}
		571
		572	// IDA: void __cdecl AdjustRenderScreenSize()
		573	void AdjustRenderScreenSize(void) {
		574	int switched_res;
		575	LOG_TRACE("()");
		576
		577	switched_res = SwitchToRealResolution();
		578	ReinitialiseRenderStuff();
		579	if (gMap_mode) {
		580	gRender_screen->base_x = gMap_render_x_i;
		581	gRender_screen->base_y = gMap_render_y_i;
		582	gRender_screen->width = gMap_render_width_i;
		583	gRender_screen->height = gMap_render_height_i;
		584	} else {
		585	gRender_screen->base_x = gProgram_state.current_render_left;
		586	gRender_screen->base_y = gProgram_state.current_render_top;
		587	gRender_screen->height = gProgram_state.current_render_bottom - gProgram_state.current_render_top;
		588	gRender_screen->width = gProgram_state.current_render_right - gProgram_state.current_render_left;
		589	}
		590	if (gRender_screen->row_bytes == gRender_screen->width) {
		591	gRender_screen->flags \|= BR_PMF_ROW_WHOLEPIXELS;
		592	} else {
		593	gRender_screen->flags &= ~BR_PMF_ROW_WHOLEPIXELS;
		594	}
		595	gRender_screen->origin_x = gRender_screen->width / 2;
		596	gRender_screen->origin_y = gRender_screen->height / 2;
		597	gWidth = gRender_screen->width;
		598	gHeight = gRender_screen->height;
		599	ReinitialiseForwardCamera();
		600	if (switched_res) {
		601	SwitchToLoresMode();
		602	}
		603	}
		604
		605	// IDA: void __cdecl ScreenSmaller()
		606	void ScreenSmaller(void) {
		607	LOG_TRACE("()");
		608
		609	if (!gMap_mode) {
		610	if (gProgram_state.cockpit_on) {
		611	ToggleCockpit();
		612	}
		613	gRender_indent++;
		614	if (gRender_indent > 8) {
		615	gRender_indent = 8;
		616	}
		617	AdjustRenderScreenSize();
		618	}
		619	}
		620
		621	// IDA: void __cdecl ScreenLarger()
		622	void ScreenLarger(void) {
		623	LOG_TRACE("()");
		624
		625	if (!gMap_mode) {
		626	if (gProgram_state.cockpit_on) {
		627	ToggleCockpit();
		628	}
		629	gRender_indent--;
		630	if (gRender_indent < 0) {
		631	gRender_indent = 0;
		632	}
		633	AdjustRenderScreenSize();
		634	}
		635	}
		636
		637	// IDA: void __usercall DRSetPaletteEntries(br_pixelmap *pPalette@<EAX>, int pFirst_colour@<EDX>, int pCount@<EBX>)
		638	void DRSetPaletteEntries(br_pixelmap* pPalette, int pFirst_colour, int pCount) {
		639	LOG_TRACE("(%p, %d, %d)", pPalette, pFirst_colour, pCount);
		640	if (pFirst_colour == 0) {
		641	((br_int_32*)pPalette->pixels)[0] = 0;
		642	}
		643	memcpy(gCurrent_palette_pixels + 4 * pFirst_colour, (char)pPalette->pixels + 4 pFirst_colour, 4 * pCount);
		644	if (!gFaded_palette) {
		645	PDSetPaletteEntries(pPalette, pFirst_colour, pCount);
		646	}
		647	gPalette_munged = 1;
		648	}
		649
		650	// IDA: void __usercall DRSetPalette3(br_pixelmap *pThe_palette@<EAX>, int pSet_current_palette@<EDX>)
		651	void DRSetPalette3(br_pixelmap* pThe_palette, int pSet_current_palette) {
		652	LOG_TRACE("(%p, %d)", pThe_palette, pSet_current_palette);
		653
		654	if (pSet_current_palette) {
		655	memcpy(gCurrent_palette_pixels, pThe_palette->pixels, 0x400u);
		656	}
		657	if (!gFaded_palette) {
		658	PDSetPalette(pThe_palette);
		659	}
		660	if (pThe_palette != gRender_palette) {
		661	gPalette_munged \|= 1u;
		662	}
		663	}
		664
		665	// IDA: void __usercall DRSetPalette2(br_pixelmap *pThe_palette@<EAX>, int pSet_current_palette@<EDX>)
		666	void DRSetPalette2(br_pixelmap* pThe_palette, int pSet_current_palette) {
		667	((br_int_32*)pThe_palette->pixels)[0] = 0;
		668	if (pSet_current_palette) {
		669	memcpy(gCurrent_palette_pixels, pThe_palette->pixels, 0x400u);
		670	}
		671	if (!gFaded_palette) {
		672	PDSetPalette(pThe_palette);
		673	}
		674	if (pThe_palette != gRender_palette) {
		675	gPalette_munged \|= 1u;
		676	}
		677	}
		678
		679	// IDA: void __usercall DRSetPalette(br_pixelmap *pThe_palette@<EAX>)
		680	void DRSetPalette(br_pixelmap* pThe_palette) {
		681	DRSetPalette2(pThe_palette, 1);
		682	}
		683
		684	// IDA: void __cdecl InitializePalettes()
		685	void InitializePalettes(void) {
		686	//int j; // Pierre-Marie Baty -- unused variable
		687	gCurrent_palette_pixels = BrMemAllocate(0x400u, kMem_cur_pal_pixels);
		688	gCurrent_palette = DRPixelmapAllocate(BR_PMT_RGBX_888, 1u, 256, gCurrent_palette_pixels, 0);
		689	gRender_palette = BrTableFind("DRRENDER.PAL");
		690	if (gRender_palette == NULL) {
		691	FatalError(kFatalError_RequiredPalette);
		692	}
		693	gOrig_render_palette = BrPixelmapAllocateSub(gRender_palette, 0, 0, gRender_palette->width, gRender_palette->height);
		694	gOrig_render_palette->pixels = BrMemAllocate(0x400u, kMem_render_pal_pixels);
		695	memcpy(gOrig_render_palette->pixels, gRender_palette->pixels, 0x400u);
		696	gFlic_palette = BrTableFind("DRACEFLC.PAL");
		697	if (gFlic_palette == NULL) {
		698	FatalError(kFatalError_RequiredPalette);
		699	}
		700	DRSetPalette(gFlic_palette);
		701	gScratch_pixels = BrMemAllocate(0x400u, kMem_scratch_pal_pixels);
		702	gScratch_palette = DRPixelmapAllocate(BR_PMT_RGBX_888, 1u, 256, gScratch_pixels, 0);
		703	gPalette_conversion_table = BrTableFind("FLC2REND.TAB");
		704	gRender_shade_table = BrTableFind("DRRENDER.TAB");
		705	gEval_1 = LoadPixelmap("Evalu01.PIX");
		706	}
		707
		708	// IDA: void __usercall SwitchToPalette(char *pPal_name@<EAX>)
		709	void SwitchToPalette(char* pPal_name) {
		710	//br_pixelmap* the_palette; // Pierre-Marie Baty -- unused variable
		711	LOG_TRACE("(\"%s\")", pPal_name);
		712	NOT_IMPLEMENTED();
		713	}
		714
		715	// IDA: void __cdecl ClearEntireScreen()
		716	void ClearEntireScreen(void) {
		717	LOG_TRACE("()");
		718
		719	if (gScreen) {
		720	BrPixelmapFill(gScreen, gGraf_specs[gGraf_spec_index].black_value);
		721	}
		722	BrPixelmapFill(gBack_screen, gGraf_specs[gGraf_spec_index].black_value);
		723	PDScreenBufferSwap(0);
		724	}
		725
		726	// IDA: void __cdecl ClearWobbles()
		727	void ClearWobbles(void) {
		728	int i;
		729	LOG_TRACE("()");
		730
		731	for (i = 0; i < COUNT_OF(gWobble_array); i++) {
		732	gWobble_array[i].time_started = 0;
		733	}
		734	}
		735
		736	// IDA: void __cdecl InitWobbleStuff()
		737	void InitWobbleStuff(void) {
		738	int i;
		739
		740	ClearWobbles();
		741	for (i = 0; i < COUNT_OF(gCosine_array); i++) {
		742	gCosine_array[i] = cosf(i / 64.0f * DR_PI / 2.0f);
		743	}
		744	}
		745
		746	// IDA: void __cdecl NewScreenWobble(double pAmplitude_x, double pAmplitude_y, double pPeriod)
		747	void NewScreenWobble(double pAmplitude_x, double pAmplitude_y, double pPeriod) {
		748	int i;
		749	int oldest_time;
		750	int oldest_index;
		751	LOG_TRACE("(%d, %d, %d)", pAmplitude_x, pAmplitude_y, pPeriod);
		752
		753	oldest_index = -1;
		754	oldest_time = INT_MAX;
		755	for (i = 0; i < COUNT_OF(gWobble_array); i++) {
		756	if (gWobble_array[i].time_started == 0) {
		757	oldest_index = i;
		758	break;
		759	}
		760	if (gWobble_array[i].time_started < oldest_time) {
		761	oldest_time = gWobble_array[i].time_started;
		762	oldest_index = i;
		763	}
		764	}
		765	gWobble_array[oldest_index].time_started = GetTotalTime();
		766	gWobble_array[oldest_index].amplitude_x = pAmplitude_x;
		767	gWobble_array[oldest_index].amplitude_y = pAmplitude_y;
		768	gWobble_array[oldest_index].period = pPeriod;
		769	}
		770
		771	// IDA: void __usercall SetScreenWobble(int pWobble_x@<EAX>, int pWobble_y@<EDX>)
		772	void SetScreenWobble(int pWobble_x, int pWobble_y) {
		773	LOG_TRACE("(%d, %d)", pWobble_x, pWobble_y);
		774
		775	gScreen_wobble_y = pWobble_y;
		776	gScreen_wobble_x = pWobble_x;
		777	}
		778
		779	// IDA: void __cdecl ResetScreenWobble()
		780	void ResetScreenWobble(void) {
		781	LOG_TRACE("()");
		782
		783	SetScreenWobble(0, 0);
		784	}
		785
		786	// IDA: void __usercall CalculateWobblitude(tU32 pThe_time@<EAX>)
		787	void CalculateWobblitude(tU32 pThe_time) {
		788	int i;
		789	tU32 time_going;
		790	double angle;
		791	double mod_angle;
		792	double cosine_over_angle;
		793	LOG_TRACE("(%d)", pThe_time);
		794
		795	if (gProgram_state.new_view != eView_undefined) {
		796	return;
		797	}
		798	gScreen_wobble_x = 0;
		799	gScreen_wobble_y = 0;
		800	for (i = 0; i < COUNT_OF(gWobble_array); i++) {
		801	if (gWobble_array[i].time_started != 0) {
		802	time_going = pThe_time - gWobble_array[i].time_started;
		803	if (time_going > 1000) {
		804	gWobble_array[i].time_started = 0;
		805	} else {
		806	mod_angle = fmod(time_going / gWobble_array[i].period, TAU);
		807	if (mod_angle > DR_3PI_OVER_2) {
		808	cosine_over_angle = gCosine_array[(unsigned int)((TAU - mod_angle) / DR_PI * 128.0)];
		809	} else if (mod_angle > DR_PI) {
		810	cosine_over_angle = -gCosine_array[(unsigned int)((mod_angle - DR_PI) / DR_PI * 128.0)];
		811	} else if (mod_angle > DR_PI_OVER_2) {
		812	cosine_over_angle = -gCosine_array[(unsigned int)((DR_PI - mod_angle) / DR_PI * 128.0)];
		813	} else {
		814	cosine_over_angle = gCosine_array[(unsigned int)(mod_angle / DR_PI * 128.0)];
		815	}
		816	angle = cosine_over_angle / ((double)(pThe_time - gWobble_array[i].time_started) * 0.0035f + 1.0f);
		817	gScreen_wobble_x = (gWobble_array[i].amplitude_x * angle + gScreen_wobble_x);
		818	gScreen_wobble_y = (gWobble_array[i].amplitude_y * angle + gScreen_wobble_y);
		819	}
		820	}
		821	}
		822	if (gScreen_wobble_x > gCurrent_graf_data->cock_margin_x) {
		823	gScreen_wobble_x = gCurrent_graf_data->cock_margin_x;
		824	} else if (gScreen_wobble_x < -gCurrent_graf_data->cock_margin_x) {
		825	gScreen_wobble_x = -gCurrent_graf_data->cock_margin_x;
		826	}
		827	if (gScreen_wobble_y > gCurrent_graf_data->cock_margin_y) {
		828	gScreen_wobble_y = gCurrent_graf_data->cock_margin_y;
		829	} else if (gScreen_wobble_y < -gCurrent_graf_data->cock_margin_y) {
		830	gScreen_wobble_y = -gCurrent_graf_data->cock_margin_y;
		831	}
		832	PipeSingleScreenShake(gScreen_wobble_x, gScreen_wobble_y);
		833	}
		834
		835	// IDA: void __usercall CalculateConcussion(tU32 pThe_time@<EAX>)
		836	void CalculateConcussion(tU32 pThe_time) {
		837	tU32 time_difference;
		838	int i;
		839	int j;
		840	float the_amplitude;
		841	float angle;
		842	float mod_angle;
		843	float cosine_over_angle;
		844	LOG_TRACE("(%d)", pThe_time);
		845
		846	if (!gConcussion.concussed) {
		847	return;
		848	}
		849	time_difference = pThe_time - gConcussion.time_started;
		850	if (pThe_time - gConcussion.time_started > 2000) {
		851	gConcussion.concussed = 0;
		852	} else {
		853	for (i = 0; i < 3; ++i) {
		854	for (j = 0; j < 3; ++j) {
		855	the_amplitude = gConcussion.amplitudes.m[i][j];
		856	if (the_amplitude != 0.0) {
		857	mod_angle = fmodf(time_difference / gConcussion.periods.m[i][j], (float) TAU); // Pierre-Marie Baty -- added type cast
		858	if (mod_angle > DR_3PI_OVER_2) {
		859	cosine_over_angle = gCosine_array[(unsigned int)((TAU - mod_angle) / DR_PI * 128.f)];
		860	} else if (mod_angle > DR_PI) {
		861	cosine_over_angle = -gCosine_array[(unsigned int)((mod_angle - DR_PI) / DR_PI * 128.f)];
		862	} else if (mod_angle > DR_PI_OVER_2) {
		863	cosine_over_angle = -gCosine_array[(unsigned int)((DR_PI - mod_angle) / DR_PI * 128.f)];
		864	} else {
		865	cosine_over_angle = gCosine_array[(unsigned int)(mod_angle / DR_PI * 128.f)];
		866	}
		867	angle = cosine_over_angle / ((double)time_difference * 0.02f + 1.0f);
		868	gCamera->t.t.mat.m[i][j] = angle * the_amplitude + gCamera->t.t.mat.m[i][j];
		869	gRearview_camera->t.t.mat.m[i][j] = angle * the_amplitude + gRearview_camera->t.t.mat.m[i][j];
		870	}
		871	}
		872	}
		873	}
		874	}
		875
		876	// IDA: void __cdecl SufferFromConcussion(float pSeriousness)
		877	void SufferFromConcussion(float pSeriousness) {
		878	int i;
		879	int j;
		880	LOG_TRACE("(%f)", pSeriousness);
		881
		882	for (i = 0; i < 3; i++) {
		883	for (j = 0; j < 3; j++) {
		884	gConcussion.amplitudes.m[i][j] = FRandomPosNeg(pSeriousness);
		885	gConcussion.periods.m[i][j] = FRandomBetween(20.f, 100.f);
		886	}
		887	}
		888	gConcussion.concussed = 1;
		889	gConcussion.time_started = GetTotalTime();
		890	}
		891
		892	// IDA: void __usercall ProcessNonTrackActors(br_pixelmap pRender_buffer@<EAX>, br_pixelmap pDepth_buffer@<EDX>, br_actor pCamera@<EBX>, br_matrix34 pCamera_to_world@<ECX>, br_matrix34 *pOld_camera_matrix)
		893	void ProcessNonTrackActors(br_pixelmap* pRender_buffer, br_pixelmap* pDepth_buffer, br_actor* pCamera, br_matrix34* pCamera_to_world, br_matrix34* pOld_camera_matrix) {
		894	LOG_TRACE("(%p, %p, %p, %p, %p)", pRender_buffer, pDepth_buffer, pCamera, pCamera_to_world, pOld_camera_matrix);
		895
		896	BrZbSceneRenderAdd(gNon_track_actor);
		897	}
		898
		899	// IDA: int __usercall OppositeColour@<EAX>(int pColour@<EAX>)
		900	int OppositeColour(int pColour) {
		901	int brightness;
		902	LOG_TRACE("(%d)", pColour);
		903
		904	if (pColour < 224) {
		905	if ((pColour & 0x7) < 4) {
		906	brightness = 255;
		907	} else {
		908	brightness = 0;
		909	}
		910	} else {
		911	if ((pColour & 0xf) < 8) {
		912	brightness = 255;
		913	} else {
		914	brightness = 0;
		915	}
		916	}
		917	return brightness;
		918	}
		919
		920	// IDA: void __usercall DrawMapBlip(tCar_spec pCar@<EAX>, tU32 pTime@<EDX>, br_matrix34 pTrans@<EBX>, br_vector3 *pPos@<ECX>, int pColour)
		921	void DrawMapBlip(tCar_spec* pCar, tU32 pTime, br_matrix34* pTrans, br_vector3* pPos, int pColour) {
		922	br_vector3 map_pos;
		923	int offset;
		924	int* arrow_ptr;
		925	int point_count;
		926	int colours[2];
		927	int x;
		928	int y;
		929	int colour;
		930	int i;
		931	int j;
		932	int temp;
		933	int from_x;
		934	int from_y;
		935	int to_x;
		936	int to_y;
		937	int arrow_index;
		938	tU32 time_diff;
		939	tU32 period;
		940	br_matrix34 car_in_map_space;
		941	float bearing;
		942	//float cos_factor; // Pierre-Marie Baty -- unused variable
		943	//float sin_factor; // Pierre-Marie Baty -- unused variable
		944	LOG_TRACE("(%p, %d, %p, %p, %d)", pCar, pTime, pTrans, pPos, pColour);
		945
		946	time_diff = pTime - gMap_mode;
		947	BrMatrix34ApplyP(&map_pos, pPos, &gCurrent_race.map_transformation);
		948	switch (gReal_graf_data_index) {
		949	case 0:
		950	break;
		951	case 1:
		952	map_pos.v[0] = map_pos.v[0] * 2.f;
		953	map_pos.v[1] = map_pos.v[1] * 2.f + 40.f;
		954	break;
		955	default:
		956	TELL_ME_IF_WE_PASS_THIS_WAY();
		957	}
		958	period = 256; // Must be power of 2
		959	colours[0] = pColour;
		960	colours[1] = OppositeColour(pColour);
		961	BrMatrix34Mul(&car_in_map_space, pTrans, &gCurrent_race.map_transformation);
		962	bearing = FastScalarArcTan2(car_in_map_space.m[2][0], car_in_map_space.m[2][1]);
		963
		964	// Calculate in which of the 16 directions, the arrow is pointing to
		965	bearing = (360.f - bearing + 12.25) / 22.5f;
		966	arrow_index = ((int)bearing) % 16;
		967
		968	// The player's blip blinks, others are shown permanently
		969	if (pCar->driver != eDriver_local_human \|\| (period & pTime) != 0) {
		970	for (i = 0; i < COUNT_OF(colours); i++) {
		971	colour = colours[i];
		972	point_count = gArrows[i][arrow_index & 0x3][0];
		973	arrow_ptr = &gArrows[i][arrow_index & 0x3][1];
		974	for (j = 0; j < point_count; j++, arrow_ptr += 2) {
		975	if (arrow_index & 0x8) {
		976	x = -arrow_ptr[0];
		977	y = -arrow_ptr[1];
		978	} else {
		979	x = arrow_ptr[0];
		980	y = arrow_ptr[1];
		981	}
		982	if (arrow_index & 0x4) {
		983	temp = x;
		984	x = -y;
		985	y = temp;
		986	}
		987	BrPixelmapPixelSet(gBack_screen, map_pos.v[0] + x, map_pos.v[1] + y, colour);
		988	}
		989	}
		990	}
		991	// Draw a rectangle around the fox
		992	colour = colours[!!(pTime & period)];
		993	if (gNet_mode != eNet_mode_none && gCurrent_net_game->type == eNet_game_type_foxy && gNet_players[gIt_or_fox].car == pCar) {
		994	from_x = map_pos.v[0] - 8.f;
		995	from_y = map_pos.v[1] - 8.f;
		996	to_x = map_pos.v[0] + 8.f;
		997	to_y = map_pos.v[1] + 8.f;
		998	BrPixelmapLine(gBack_screen, from_x, from_y, to_x, from_y, colour);
		999	BrPixelmapLine(gBack_screen, from_x, to_y, to_x, to_y, colour);
		1000	BrPixelmapLine(gBack_screen, from_x, from_y, from_x, to_y, colour);
		1001	BrPixelmapLine(gBack_screen, to_x, from_y, to_x, to_y, colour);
		1002	}
		1003	// To attract the player's attention, draw a rectangle around the player's position that decreases in size,
		1004	if (time_diff <= 500 && pCar->driver == eDriver_local_human) {
		1005	offset = ((500 - time_diff) * 70) / 500;
		1006	from_x = map_pos.v[0] - offset - .5f;
		1007	from_y = map_pos.v[1] - offset - .5f;
		1008	to_x = map_pos.v[0] + offset + .5f;
		1009	to_y = map_pos.v[1] + offset + .5f;
		1010	BrPixelmapLine(gBack_screen, from_x, from_y, to_x, from_y, colour);
		1011	BrPixelmapLine(gBack_screen, from_x, to_y, to_x, to_y, colour);
		1012	BrPixelmapLine(gBack_screen, from_x, from_y, from_x, to_y, colour);
		1013	BrPixelmapLine(gBack_screen, to_x, from_y, to_x, to_y, colour);
		1014	}
		1015	}
		1016
		1017	// IDA: void __usercall DrawMapSmallBlip(tU32 pTime@<EAX>, br_vector3 *pPos@<EDX>, int pColour@<EBX>)
		1018	void DrawMapSmallBlip(tU32 pTime, br_vector3* pPos, int pColour) {
		1019	br_vector3 map_pos;
		1020	int offset;
		1021	//tU32 time_diff; // Pierre-Marie Baty -- unused variable
		1022	LOG_TRACE("(%d, %p, %d)", pTime, pPos, pColour);
		1023
		1024	if ((pTime & 0x100) == 0) {
		1025	BrMatrix34ApplyP(&map_pos, pPos, &gCurrent_race.map_transformation);
		1026	if (gReal_graf_data_index != 0) {
		1027	map_pos.v[0] = 2.f * map_pos.v[0];
		1028	map_pos.v[1] = 2.f * map_pos.v[1] + 40.f;
		1029	}
		1030	offset = (int)map_pos.v[0] + gBack_screen->row_bytes * (int)map_pos.v[1];
		1031	((br_uint_8*)gBack_screen->pixels)[offset] = pColour;
		1032	}
		1033	}
		1034
		1035	// IDA: void __usercall MungeClipPlane(br_vector3 pLight@<EAX>, tCar_spec pCar@<EDX>, br_vector3 p1@<EBX>, br_vector3 p2@<ECX>, br_scalar pY_offset)
		1036	void MungeClipPlane(br_vector3* pLight, tCar_spec* pCar, br_vector3* p1, br_vector3* p2, br_scalar pY_offset) {
		1037	br_vector3 v1;
		1038	br_vector3 v2;
		1039	br_vector3 v3;
		1040	br_vector3 v4;
		1041	br_scalar length;
		1042	br_actor* new_clip;
		1043	LOG_TRACE("(%p, %p, %p, %p, %f)", pLight, pCar, p1, p2, pY_offset);
		1044
		1045	BrMatrix34ApplyP(&v1, p1, &pCar->car_master_actor->t.t.mat);
		1046	BrMatrix34ApplyP(&v2, p2, &pCar->car_master_actor->t.t.mat);
		1047	BrVector3Sub(&v3, p2, p1);
		1048	BrVector3Cross(&v4, &v3, pLight);
		1049	if (fabsf(v4.v[0]) >= 0.01f \|\| fabsf(v4.v[1]) >= 0.01f \|\| fabsf(v4.v[2]) >= 0.01f) {
		1050	BrVector3Copy(&v3, p1);
		1051	v3.v[1] -= pY_offset;
		1052	if (BrVector3Dot(&v3, &v4) > 0.f) {
		1053	BrVector3Negate(&v4, &v4);
		1054	}
		1055	BrVector3Normalise(&v3, &v4);
		1056	BrMatrix34ApplyV(&v4, &v3, &pCar->car_master_actor->t.t.mat);
		1057	length = (v1.v[2] - v2.v[2]) * (v1.v[2] - v2.v[2]) + (v1.v[0] - v2.v[0]) * (v1.v[0] - v2.v[0]);
		1058
		1059	new_clip = gShadow_clip_planes[gShadow_clip_plane_count].clip;
		1060	((br_vector4*)new_clip->type_data)->v[0] = v4.v[0];
		1061	((br_vector4*)new_clip->type_data)->v[1] = v4.v[1];
		1062	((br_vector4*)new_clip->type_data)->v[2] = v4.v[2];
		1063	((br_vector4*)new_clip->type_data)->v[3] = -BrVector3Dot(&v1, &v4);
		1064	gShadow_clip_planes[gShadow_clip_plane_count].length = length;
		1065	gShadow_clip_plane_count++;
		1066	}
		1067	}
		1068
		1069	// IDA: void __usercall TryThisEdge(tCar_spec pCar@<EAX>, br_vector3 pLight@<EDX>, int pIndex_1@<EBX>, br_scalar pSign_1, int pIndex_2, br_scalar pSign_2, int pPoint_index_1, int pPoint_index_2, br_scalar pY_offset)
		1070	void TryThisEdge(tCar_spec* pCar, br_vector3* pLight, int pIndex_1, br_scalar pSign_1, int pIndex_2, br_scalar pSign_2, int pPoint_index_1, int pPoint_index_2, br_scalar pY_offset) {
		1071	br_scalar dot_1;
		1072	br_scalar dot_2;
		1073	br_scalar mult;
		1074	LOG_TRACE("(%p, %p, %d, %f, %d, %f, %d, %d, %f)", pCar, pLight, pIndex_1, pSign_1, pIndex_2, pSign_2, pPoint_index_1, pPoint_index_2, pY_offset);
		1075
		1076	dot_1 = pSign_1 * pLight->v[pIndex_1];
		1077	dot_2 = pSign_2 * pLight->v[pIndex_2];
		1078	mult = dot_1 * dot_2;
		1079	if (mult < 0 \|\| (mult == 0 && (dot_1 > 0 \|\| dot_2 > 0))) {
		1080	if (gShadow_clip_plane_count < 6) {
		1081	MungeClipPlane(pLight, pCar, &gShadow_points[pPoint_index_1], &gShadow_points[pPoint_index_2], pY_offset);
		1082	}
		1083	}
		1084	}
		1085
		1086	// IDA: br_scalar __usercall DistanceFromPlane@<ST0>(br_vector3 *pPos@<EAX>, br_scalar pA, br_scalar pB, br_scalar pC, br_scalar pD)
		1087	br_scalar DistanceFromPlane(br_vector3* pPos, br_scalar pA, br_scalar pB, br_scalar pC, br_scalar pD) {
		1088	//br_vector3 normal; // Pierre-Marie Baty -- unused variable
		1089	LOG_TRACE("(%p, %f, %f, %f, %f)", pPos, pA, pB, pC, pD);
		1090
		1091	return fabsf((pPos->v[1] * pB + pPos->v[0] * pA + pPos->v[2] * pC + pD) / (pA * pA + pC * pC + pB * pB));
		1092	}
		1093
		1094	// IDA: void __cdecl DisableLights()
		1095	void DisableLights(void) {
		1096	//int i; // Pierre-Marie Baty -- unused variable
		1097	LOG_TRACE("()");
		1098	NOT_IMPLEMENTED();
		1099	}
		1100
		1101	// IDA: void __cdecl EnableLights()
		1102	void EnableLights(void) {
		1103	//int i; // Pierre-Marie Baty -- unused variable
		1104	LOG_TRACE("()");
		1105	NOT_IMPLEMENTED();
		1106	}
		1107
		1108	// IDA: void __usercall ProcessShadow(tCar_spec pCar@<EAX>, br_actor pWorld@<EDX>, tTrack_spec pTrack_spec@<EBX>, br_actor pCamera@<ECX>, br_matrix34 *pCamera_to_world_transform, br_scalar pDistance_factor)
		1109	void ProcessShadow(tCar_spec* pCar, br_actor* pWorld, tTrack_spec* pTrack_spec, br_actor* pCamera, br_matrix34* pCamera_to_world_transform, br_scalar pDistance_factor) {
		1110	int i;
		1111	//int j; // Pierre-Marie Baty -- unused variable
		1112	int face_count;
		1113	//int force_shadow; // Pierre-Marie Baty -- unused variable
		1114	//int models_used; // Pierre-Marie Baty -- unused variable
		1115	//int point_to_use; // Pierre-Marie Baty -- unused variable
		1116	int oily_count;
		1117	int f_num;
		1118	//br_vector3 pos; // Pierre-Marie Baty -- unused variable
		1119	br_vector3 light_ray_car;
		1120	//br_vector3 temp_v; // Pierre-Marie Baty -- unused variable
		1121	br_vector3 shadow_points_world[8];
		1122	br_vector3 poly_centre;
		1123	br_vector3 car_to_poly;
		1124	br_vector3 ray;
		1125	br_vector3 ray_pos;
		1126	br_vector3 normal;
		1127	//br_vector3 the_normal; // Pierre-Marie Baty -- unused variable
		1128	br_vector3 pos_cam_space;
		1129	//br_vector3* v0; // Pierre-Marie Baty -- unused variable
		1130	br_vector3* v1;
		1131	br_vector3* v2;
		1132	br_vector4* clip_normal;
		1133	br_scalar bounds_x_min;
		1134	br_scalar bounds_x_max;
		1135	br_scalar bounds_y_min;
		1136	br_scalar bounds_y_max;
		1137	br_scalar bounds_z_min;
		1138	br_scalar bounds_z_max;
		1139	//br_scalar height; // Pierre-Marie Baty -- unused variable
		1140	br_scalar oily_size;
		1141	br_scalar highest_underneath;
		1142	br_scalar shadow_scaling_factor;
		1143	br_scalar y_offset;
		1144	//br_scalar most_neg_dotty; // Pierre-Marie Baty -- unused variable
		1145	//br_scalar mr_dotty; // Pierre-Marie Baty -- unused variable
		1146	br_scalar first_poly_below;
		1147	br_scalar distance;
		1148	br_scalar camera_hither_fudge;
		1149	br_scalar camera_angle_additional_fudge;
		1150	br_scalar ray_length;
		1151	tBounds kev_bounds;
		1152	tFace_ref the_list[100];
		1153	tFace_ref* face_ref;
		1154	tFace_ref* list_ptr;
		1155	//br_renderbounds_cbfn* old_call_back; // Pierre-Marie Baty -- unused variable
		1156	br_camera* camera_ptr;
		1157	br_actor* oily_actor;
		1158	//br_model* model; // Pierre-Marie Baty -- unused variable
		1159	br_material* material;
		1160	br_vertex verts[48];
		1161	br_face faces[16];
		1162	LOG_TRACE("(%p, %p, %p, %p, %p, %f)", pCar, pWorld, pTrack_spec, pCamera, pCamera_to_world_transform, pDistance_factor);
		1163
		1164	#if defined(DETHRACE_FIX_BUGS)
		1165	ray_length = 0.f;
		1166	#endif
		1167	f_num = 0;
		1168	bounds_x_min = pCar->bounds[1].min.v[0] / WORLD_SCALE;
		1169	bounds_x_max = pCar->bounds[1].max.v[0] / WORLD_SCALE;
		1170	bounds_y_min = pCar->bounds[1].min.v[1] / WORLD_SCALE;
		1171	bounds_y_max = pCar->bounds[1].max.v[1] / WORLD_SCALE;
		1172	bounds_z_min = pCar->bounds[1].min.v[2] / WORLD_SCALE;
		1173	bounds_z_max = pCar->bounds[1].max.v[2] / WORLD_SCALE;
		1174	gShadow_points[0].v[0] = bounds_x_max;
		1175	gShadow_points[0].v[1] = bounds_y_max;
		1176	gShadow_points[0].v[2] = bounds_z_max;
		1177	gShadow_points[1].v[0] = bounds_x_max;
		1178	gShadow_points[1].v[1] = bounds_y_max;
		1179	gShadow_points[1].v[2] = bounds_z_min;
		1180	gShadow_points[2].v[0] = bounds_x_min;
		1181	gShadow_points[2].v[1] = bounds_y_max;
		1182	gShadow_points[2].v[2] = bounds_z_min;
		1183	gShadow_points[3].v[0] = bounds_x_min;
		1184	gShadow_points[3].v[1] = bounds_y_max;
		1185	gShadow_points[3].v[2] = bounds_z_max;
		1186	gShadow_points[4].v[0] = bounds_x_max;
		1187	gShadow_points[4].v[1] = bounds_y_min;
		1188	gShadow_points[4].v[2] = bounds_z_max;
		1189	gShadow_points[5].v[0] = bounds_x_max;
		1190	gShadow_points[5].v[1] = bounds_y_min;
		1191	gShadow_points[5].v[2] = bounds_z_min;
		1192	gShadow_points[6].v[0] = bounds_x_min;
		1193	gShadow_points[6].v[1] = bounds_y_min;
		1194	gShadow_points[6].v[2] = bounds_z_min;
		1195	gShadow_points[7].v[0] = bounds_x_min;
		1196	gShadow_points[7].v[1] = bounds_y_min;
		1197	gShadow_points[7].v[2] = bounds_z_max;
		1198	gShadow_clip_plane_count = 0;
		1199	BrMatrix34TApplyV(&light_ray_car, &gShadow_light_ray, &pCar->car_master_actor->t.t.mat);
		1200	y_offset = (bounds_y_max + bounds_y_min) / 2.0;
		1201	TryThisEdge(pCar, &light_ray_car, 2, 1.0, 1, 1.0, 0, 3, y_offset);
		1202	TryThisEdge(pCar, &light_ray_car, 2, -1.0, 1, 1.0, 1, 2, y_offset);
		1203	TryThisEdge(pCar, &light_ray_car, 2, -1.0, 1, -1.0, 6, 5, y_offset);
		1204	TryThisEdge(pCar, &light_ray_car, 2, 1.0, 1, -1.0, 7, 4, y_offset);
		1205	TryThisEdge(pCar, &light_ray_car, 0, 1.0, 1, 1.0, 1, 0, y_offset);
		1206	TryThisEdge(pCar, &light_ray_car, 0, -1.0, 1, 1.0, 2, 3, y_offset);
		1207	TryThisEdge(pCar, &light_ray_car, 0, -1.0, 1, -1.0, 7, 6, y_offset);
		1208	TryThisEdge(pCar, &light_ray_car, 0, 1.0, 1, -1.0, 4, 5, y_offset);
		1209	TryThisEdge(pCar, &light_ray_car, 0, 1.0, 2, 1.0, 4, 0, y_offset);
		1210	TryThisEdge(pCar, &light_ray_car, 0, -1.0, 2, 1.0, 3, 7, y_offset);
		1211	TryThisEdge(pCar, &light_ray_car, 0, -1.0, 2, -1.0, 2, 6, y_offset);
		1212	TryThisEdge(pCar, &light_ray_car, 0, 1.0, 2, -1.0, 5, 1, y_offset);
		1213	for (i = 0; i < gShadow_clip_plane_count; ++i) {
		1214	BrClipPlaneEnable(gShadow_clip_planes[i].clip);
		1215	}
		1216	face_count = GetPrecalculatedFacesUnderCar(pCar, &face_ref);
		1217
		1218	if (!gAction_replay_mode && pCar->number_of_wheels_on_ground >= 3 && face_count != 0) {
		1219	highest_underneath = 0.0;
		1220	} else {
		1221	kev_bounds.original_bounds.min.v[0] = 1000.0;
		1222	kev_bounds.original_bounds.min.v[1] = 1000.0;
		1223	kev_bounds.original_bounds.min.v[2] = 1000.0;
		1224	kev_bounds.original_bounds.max.v[0] = -1000.0;
		1225	kev_bounds.original_bounds.max.v[1] = -1000.0;
		1226	kev_bounds.original_bounds.max.v[2] = -1000.0;
		1227	for (i = 0; i < COUNT_OF(shadow_points_world); i++) {
		1228	BrMatrix34ApplyP(&shadow_points_world[i], &gShadow_points[i], &pCar->car_master_actor->t.t.mat);
		1229	if (shadow_points_world[i].v[0] >= kev_bounds.original_bounds.min.v[0]) {
		1230	if (shadow_points_world[i].v[0] > kev_bounds.original_bounds.max.v[0]) {
		1231	kev_bounds.original_bounds.max.v[0] = shadow_points_world[i].v[0];
		1232	}
		1233	} else {
		1234	kev_bounds.original_bounds.min.v[0] = shadow_points_world[i].v[0];
		1235	}
		1236	if (shadow_points_world[i].v[1] >= kev_bounds.original_bounds.min.v[1]) {
		1237	if (shadow_points_world[i].v[1] > kev_bounds.original_bounds.max.v[1]) {
		1238	kev_bounds.original_bounds.max.v[1] = shadow_points_world[i].v[1];
		1239	}
		1240	} else {
		1241	kev_bounds.original_bounds.min.v[1] = shadow_points_world[i].v[1];
		1242	}
		1243	if (shadow_points_world[i].v[2] >= kev_bounds.original_bounds.min.v[2]) {
		1244	if (shadow_points_world[i].v[2] > kev_bounds.original_bounds.max.v[2]) {
		1245	kev_bounds.original_bounds.max.v[2] = shadow_points_world[i].v[2];
		1246	}
		1247	} else {
		1248	kev_bounds.original_bounds.min.v[2] = shadow_points_world[i].v[2];
		1249	}
		1250	}
		1251	kev_bounds.original_bounds.min.v[1] = kev_bounds.original_bounds.min.v[1] - 4.4000001;
		1252	kev_bounds.mat = &gIdentity34;
		1253	face_count = FindFacesInBox(&kev_bounds, the_list, 100);
		1254	face_ref = the_list;
		1255	highest_underneath = 1000.0;
		1256	ray_length = kev_bounds.original_bounds.max.v[1] - kev_bounds.original_bounds.min.v[1];
		1257	ray.v[0] = 0.0;
		1258	ray.v[1] = -ray_length;
		1259	ray.v[2] = 0.0;
		1260	ray_pos = pCar->car_master_actor->t.t.translate.t;
		1261	ray_pos.v[1] = kev_bounds.original_bounds.max.v[1];
		1262	}
		1263	if (face_count) {
		1264	first_poly_below = -1000.0;
		1265	i = 0;
		1266	list_ptr = face_ref;
		1267	for (i = 0; i < face_count; i++) {
		1268	v1 = &list_ptr->v[1];
		1269	v2 = &list_ptr->v[2];
		1270	if (list_ptr->normal.v[1] >= -0.1 \|\| (list_ptr->material && (list_ptr->material->flags & 0x1000) != 0)) {
		1271	if (list_ptr->normal.v[1] < 0.0 \|\| (list_ptr->material && ((list_ptr->material->identifier && list_ptr->material->identifier[0] == '!') \|\| list_ptr->material->index_blend))) {
		1272	list_ptr->d = SHADOW_D_IGNORE_FLAG;
		1273	} else if ((list_ptr->v[0].v[1] > pCar->pos.v[1] \|\| v1->v[1] > pCar->pos.v[1] \|\| v2->v[1] > pCar->pos.v[1]) && list_ptr->normal.v[1] < 0.1) {
		1274	list_ptr->d = SHADOW_D_IGNORE_FLAG;
		1275	}
		1276	} else {
		1277	poly_centre.v[0] = v1->v[0] + list_ptr->v[0].v[0];
		1278	poly_centre.v[1] = v1->v[1] + list_ptr->v[0].v[1];
		1279	poly_centre.v[2] = v1->v[2] + list_ptr->v[0].v[2];
		1280	poly_centre.v[0] = v2->v[0] + poly_centre.v[0];
		1281	poly_centre.v[1] = v2->v[1] + poly_centre.v[1];
		1282	poly_centre.v[2] = v2->v[2] + poly_centre.v[2];
		1283	poly_centre.v[0] = poly_centre.v[0] / 3.0;
		1284	poly_centre.v[1] = poly_centre.v[1] / 3.0;
		1285	poly_centre.v[2] = poly_centre.v[2] / 3.0;
		1286	poly_centre.v[1] = (v2->v[1] + v1->v[1] + list_ptr->v[0].v[1]) / 3.0;
		1287	if (poly_centre.v[1] > first_poly_below) {
		1288	car_to_poly.v[0] = poly_centre.v[0] - pCar->car_master_actor->t.t.mat.m[3][0];
		1289	car_to_poly.v[1] = poly_centre.v[1] - pCar->car_master_actor->t.t.mat.m[3][1];
		1290	car_to_poly.v[2] = poly_centre.v[2] - pCar->car_master_actor->t.t.mat.m[3][2];
		1291
		1292	if (BrVector3Dot(&list_ptr->normal, &car_to_poly) > 0.0) {
		1293	first_poly_below = poly_centre.v[1];
		1294	}
		1295	}
		1296	list_ptr->d = SHADOW_D_IGNORE_FLAG;
		1297	}
		1298	list_ptr++;
		1299	}
		1300	list_ptr = face_ref;
		1301	for (i = 0; i < face_count; i++) {
		1302	if (list_ptr->d != 10000.0) {
		1303	if (list_ptr->v[0].v[1] >= first_poly_below \|\| list_ptr->v[1].v[1] >= first_poly_below \|\| list_ptr->v[2].v[1] >= first_poly_below) {
		1304	if (gFancy_shadow) {
		1305	faces[f_num].material = list_ptr->material;
		1306	if (list_ptr->material && list_ptr->material->colour_map && (list_ptr->material->flags & BR_MATF_LIGHT) == 0) {
		1307	list_ptr->material->flags \|= BR_MATF_SMOOTH \| BR_MATF_LIGHT;
		1308	BrMaterialUpdate(list_ptr->material, BR_MATU_RENDERING);
		1309	}
		1310	} else {
		1311	faces[f_num].material = gShadow_material;
		1312	}
		1313
		1314	verts[3 * f_num].p = list_ptr->v[0];
		1315	verts[3 * f_num].map = *list_ptr->map[0];
		1316	verts[3 * f_num + 1].p = list_ptr->v[1];
		1317	verts[3 * f_num + 1].map = *list_ptr->map[1];
		1318	verts[3 * f_num + 2].p = list_ptr->v[2];
		1319	verts[3 * f_num + 2].map = *list_ptr->map[2];
		1320	faces[f_num].vertices[0] = 3 * f_num;
		1321	faces[f_num].vertices[1] = 3 * f_num + 1;
		1322	faces[f_num].vertices[2] = 3 * f_num + 2;
		1323	f_num++;
		1324	if (highest_underneath > 0.0) {
		1325	CheckSingleFace(list_ptr, &ray_pos, &ray, &normal, &distance);
		1326	if (distance < 1.0 && ray_length * distance < highest_underneath) {
		1327	highest_underneath = ray_length * distance;
		1328	}
		1329	}
		1330	if (f_num >= LEN(faces)) {
		1331	break;
		1332	}
		1333	}
		1334	}
		1335	list_ptr++;
		1336	}
		1337	highest_underneath = highest_underneath - (bounds_y_max - bounds_y_min);
		1338	if (highest_underneath < 2.2) {
		1339	if (highest_underneath < 0.0) {
		1340	highest_underneath = 0.0;
		1341	}
		1342	} else {
		1343	highest_underneath = (br_scalar) 2.2; // Pierre-Marie Baty -- added type cast
		1344	}
		1345	if (gFancy_shadow) {
		1346	gShadow_dim_amount = ((2.2 - highest_underneath) * 5.0 / 2.2 + 2.5);
		1347	for (i = 0; i < gSaved_table_count; i++) {
		1348	gSaved_shade_tables[i].original->height = 1;
		1349	gSaved_shade_tables[i].original->pixels = (tU8)gDepth_shade_table->pixels + gShadow_dim_amount gDepth_shade_table->row_bytes;
		1350
		1351	BrTableUpdate(gSaved_shade_tables[i].original, BR_TABU_ALL);
		1352	}
		1353	}
		1354	shadow_scaling_factor = (2.2 - highest_underneath) * 0.52 / 2.2 + 0.4;
		1355	for (i = 0; i < gShadow_clip_plane_count; i++) {
		1356	clip_normal = (br_vector4*)gShadow_clip_planes[i].clip->type_data;
		1357	distance = DistanceFromPlane(&pCar->car_master_actor->t.t.euler.t, clip_normal->v[0], clip_normal->v[1], clip_normal->v[2], clip_normal->v[3]);
		1358	gShadow_clip_planes[i].clip->t.t.mat.m[3][0] = (1.0 - shadow_scaling_factor) * distance * clip_normal->v[0];
		1359	gShadow_clip_planes[i].clip->t.t.mat.m[3][1] = (1.0 - shadow_scaling_factor) * distance * clip_normal->v[1];
		1360	gShadow_clip_planes[i].clip->t.t.mat.m[3][2] = (1.0 - shadow_scaling_factor) * distance * clip_normal->v[2];
		1361	}
		1362
		1363	camera_ptr = (br_camera*)gCamera->type_data;
		1364	DRMatrix34TApplyP(&pos_cam_space, &pCar->car_master_actor->t.t.euler.t, &gCamera_to_world);
		1365	if (pos_cam_space.v[2] >= 36.0 \|\| pos_cam_space.v[2] >= camera_ptr->yon_z) {
		1366	camera_hither_fudge = 0.0;
		1367	} else {
		1368	camera_angle_additional_fudge = sqr(camera_ptr->yon_z - camera_ptr->hither_z);
		1369	camera_hither_fudge = camera_angle_additional_fudge * (pos_cam_space.v[2] * 1.0) / ((pos_cam_space.v[2] - camera_ptr->yon_z) * camera_ptr->yon_z * 65536.0);
		1370	if (camera_hither_fudge < 0.0002) {
		1371	camera_hither_fudge = (br_scalar) 0.0002; // Pierre-Marie Baty -- added type cast
		1372	}
		1373	camera_ptr->hither_z += camera_hither_fudge;
		1374	}
		1375	if (f_num) {
		1376	BrZbSceneRenderBegin(gUniverse_actor, gCamera, gRender_screen, gDepth_buffer);
		1377	gShadow_model->vertices = verts;
		1378	gShadow_model->faces = faces;
		1379	gShadow_model->nfaces = f_num;
		1380	gShadow_model->nvertices = 3 * f_num;
		1381	gShadow_actor->render_style = BR_RSTYLE_FACES;
		1382	BrModelAdd(gShadow_model);
		1383	BrZbSceneRenderAdd(gShadow_actor);
		1384	BrModelRemove(gShadow_model);
		1385	if (pCar->shadow_intersection_flags) {
		1386	oily_count = GetOilSpillCount();
		1387	for (i = 0; i < oily_count; ++i) {
		1388	if (((1 << i) & pCar->shadow_intersection_flags) != 0) {
		1389	GetOilSpillDetails(i, &oily_actor, &oily_size);
		1390	if (oily_actor) {
		1391	MungeIndexedOilsHeightAboveGround(i);
		1392	BrZbSceneRenderAdd(oily_actor);
		1393	}
		1394	}
		1395	}
		1396	}
		1397	BrZbSceneRenderEnd();
		1398	}
		1399	camera_ptr->hither_z -= camera_hither_fudge;
		1400	for (i = 0; i < f_num; i++) {
		1401	if (gFancy_shadow) {
		1402	material = gShadow_model->faces[i].material;
		1403	if (material) {
		1404	if (material->colour_map && (material->flags & BR_MATF_LIGHT) != 0) {
		1405	material->flags &= ~(BR_MATF_LIGHT \| BR_MATF_PRELIT \| BR_MATF_SMOOTH);
		1406	BrMaterialUpdate(material, BR_MATU_RENDERING);
		1407	}
		1408	}
		1409	}
		1410	}
		1411	}
		1412	gShadow_actor->render_style = BR_RSTYLE_NONE;
		1413	for (i = 0; i < gShadow_clip_plane_count; i++) {
		1414	BrClipPlaneDisable(gShadow_clip_planes[i].clip);
		1415	}
		1416	}
		1417
		1418	// IDA: void __usercall RenderShadows(br_actor pWorld@<EAX>, tTrack_spec pTrack_spec@<EDX>, br_actor pCamera@<EBX>, br_matrix34 pCamera_to_world_transform@<ECX>)
		1419	void RenderShadows(br_actor* pWorld, tTrack_spec* pTrack_spec, br_actor* pCamera, br_matrix34* pCamera_to_world_transform) {
		1420	int i;
		1421	int cat;
		1422	int car_count;
		1423	tCar_spec* the_car;
		1424	br_vector3 camera_to_car;
		1425	br_scalar distance_factor;
		1426	LOG_TRACE("(%p, %p, %p, %p)", pWorld, pTrack_spec, pCamera, pCamera_to_world_transform);
		1427
		1428	if (gShadow_level == eShadow_none) {
		1429	return;
		1430	}
		1431	for (cat = eVehicle_self;; ++cat) {
		1432	if (gShadow_level == eShadow_everyone) {
		1433	if (cat > 4) {
		1434	break;
		1435	}
		1436	} else {
		1437	if (cat > (gShadow_level == eShadow_us_and_opponents ? 3 : 0)) {
		1438	break;
		1439	}
		1440	}
		1441
		1442	if (cat == eVehicle_self) {
		1443	car_count = 1;
		1444	} else {
		1445	car_count = GetCarCount(cat);
		1446	}
		1447	for (i = 0; i < car_count; i++) {
		1448	if (cat == eVehicle_self) {
		1449	the_car = &gProgram_state.current_car;
		1450	} else {
		1451	the_car = GetCarSpec(cat, i);
		1452	}
		1453	if (!the_car->active) {
		1454	continue;
		1455	}
		1456
		1457	BrVector3Sub(&camera_to_car, (br_vector3*)gCamera_to_world.m[3], &the_car->car_master_actor->t.t.translate.t);
		1458	distance_factor = BrVector3LengthSquared(&camera_to_car);
		1459	if (gAction_replay_mode \|\| distance_factor <= SHADOW_MAX_RENDER_DISTANCE) {
		1460	ProcessShadow(the_car, gUniverse_actor, &gProgram_state.track_spec, gCamera, &gCamera_to_world, distance_factor);
		1461	}
		1462	}
		1463	}
		1464	if (gFancy_shadow) {
		1465	for (i = 0; i < gSaved_table_count; i++) {
		1466	gSaved_shade_tables[i].original->height = gSaved_shade_tables[i].copy->height;
		1467	gSaved_shade_tables[i].original->pixels = gSaved_shade_tables[i].copy->pixels;
		1468	BrTableUpdate(gSaved_shade_tables[i].original, 0x7FFF);
		1469	}
		1470	}
		1471	}
		1472
		1473	// IDA: void __usercall FlashyMapCheckpoint(int pIndex@<EAX>, tU32 pTime@<EDX>)
		1474	void FlashyMapCheckpoint(int pIndex, tU32 pTime) {
		1475	//tCheckpoint* cp; // Pierre-Marie Baty -- unused variable
		1476	static tU32 last_flash;
		1477	static int flash_state;
		1478	LOG_TRACE("(%d, %d)", pIndex, pTime);
		1479
		1480	if (pIndex >= 0 && pIndex < gCurrent_race.check_point_count && gRace_file_version > 0) {
		1481	if (Flash(300, &last_flash, &flash_state)) {
		1482	switch (gGraf_data_index) {
		1483	case 0:
		1484	DimRectangle(gBack_screen,
		1485	gCurrent_race.checkpoints[pIndex].map_left[0],
		1486	gCurrent_race.checkpoints[pIndex].map_top[0],
		1487	gCurrent_race.checkpoints[pIndex].map_right[0],
		1488	gCurrent_race.checkpoints[pIndex].map_bottom[0],
		1489	0);
		1490	break;
		1491	case 1:
		1492	DimRectangle(gBack_screen,
		1493	2 * gCurrent_race.checkpoints[pIndex].map_left[0],
		1494	2 * gCurrent_race.checkpoints[pIndex].map_top[0] + 40,
		1495	2 * gCurrent_race.checkpoints[pIndex].map_right[0],
		1496	2 * gCurrent_race.checkpoints[pIndex].map_bottom[0] + 40,
		1497	0);
		1498	break;
		1499	default:
		1500	TELL_ME_IF_WE_PASS_THIS_WAY();
		1501	}
		1502	}
		1503	}
		1504	}
		1505
		1506	// IDA: int __usercall ConditionallyFillWithSky@<EAX>(br_pixelmap *pPixelmap@<EAX>)
		1507	int ConditionallyFillWithSky(br_pixelmap* pPixelmap) {
		1508	int bgnd_col;
		1509	LOG_TRACE("(%p)", pPixelmap);
		1510
		1511	if (gProgram_state.current_depth_effect.sky_texture != NULL && (gLast_camera_special_volume == NULL \|\| gLast_camera_special_volume->sky_col < 0)) {
		1512	return 0;
		1513	}
		1514
		1515	if (gProgram_state.current_depth_effect.type == eDepth_effect_fog \|\| gSwap_depth_effect_type == eDepth_effect_fog) {
		1516	bgnd_col = 255;
		1517	} else if (gProgram_state.current_depth_effect.type && gSwap_depth_effect_type) {
		1518	if (gLast_camera_special_volume && gLast_camera_special_volume->sky_col >= 0) {
		1519	bgnd_col = gLast_camera_special_volume->sky_col;
		1520	} else {
		1521	bgnd_col = 0;
		1522	}
		1523	} else {
		1524	bgnd_col = 0;
		1525	}
		1526	BrPixelmapFill(pPixelmap, bgnd_col);
		1527	return 1;
		1528	}
		1529
		1530	// IDA: void __usercall RenderAFrame(int pDepth_mask_on@<EAX>)
		1531	void RenderAFrame(int pDepth_mask_on) {
		1532	int cat;
		1533	int i;
		1534	int car_count;
		1535	int flags;
		1536	int x_shift;
		1537	int y_shift;
		1538	int cockpit_on;
		1539	int real_origin_x = 0;
		1540	int real_origin_y = 0;
		1541	int real_base_x = 0;
		1542	int real_base_y = 0;
		1543	int map_timer_x;
		1544	int map_timer_width;
		1545	int ped_type;
		1546	char* old_pixels;
		1547	br_matrix34 old_camera_matrix;
		1548	br_matrix34 old_mirror_cam_matrix;
		1549	tU32 the_time;
		1550	br_vector3* car_pos;
		1551	br_vector3 pos;
		1552	char the_text[256];
		1553	tCar_spec* car;
		1554	LOG_TRACE("(%d)", pDepth_mask_on);
		1555
		1556	gRender_screen->pixels = gBack_screen->pixels;
		1557	the_time = GetTotalTime();
		1558	old_pixels = gRender_screen->pixels;
		1559	cockpit_on = gProgram_state.cockpit_on && gProgram_state.cockpit_image_index >= 0 && !gMap_mode;
		1560	gMirror_on__graphics = gProgram_state.mirror_on && cockpit_on && gProgram_state.which_view == eView_forward;
		1561	if (gMap_mode) {
		1562	real_origin_x = gBack_screen->origin_x;
		1563	real_origin_y = gBack_screen->origin_y;
		1564	real_base_x = gBack_screen->base_x;
		1565	real_base_y = gBack_screen->base_y;
		1566	gBack_screen->origin_x = 0;
		1567	gBack_screen->origin_y = 0;
		1568	gBack_screen->base_x = 0;
		1569	gBack_screen->base_y = 0;
		1570	if (gCurrent_race.map_image != NULL) {
		1571	if (gReal_graf_data_index) {
		1572	BrPixelmapRectangleFill(gBack_screen, 0, 0, 640, 40, 0);
		1573	BrPixelmapRectangleFill(gBack_screen, 0, 440, 640, 40, 0);
		1574	DRPixelmapDoubledCopy(
		1575	gBack_screen,
		1576	gCurrent_race.map_image,
		1577	gCurrent_race.map_image->width,
		1578	gCurrent_race.map_image->height,
		1579	0,
		1580	40);
		1581	} else {
		1582	DRPixelmapCopy(gBack_screen, gCurrent_race.map_image);
		1583	}
		1584	}
		1585	DimRectangle(
		1586	gBack_screen,
		1587	gMap_render_x_i - gCurrent_graf_data->map_render_x_marg,
		1588	gMap_render_y_i - gCurrent_graf_data->map_render_y_marg,
		1589	gMap_render_x_i + gMap_render_width_i + gCurrent_graf_data->map_render_x_marg,
		1590	gMap_render_y_i + gMap_render_height_i + gCurrent_graf_data->map_render_y_marg,
		1591	1);
		1592	}
		1593	if (!gAction_replay_mode) {
		1594	CalculateWobblitude(the_time);
		1595	}
		1596	if (cockpit_on) {
		1597	if (-gScreen_wobble_x > gX_offset) {
		1598	x_shift = -gX_offset;
		1599	} else if (gScreen_wobble_x + gX_offset + gRender_screen->width > gBack_screen->width) {
		1600	x_shift = gBack_screen->width - gRender_screen->width - gX_offset;
		1601	} else {
		1602	x_shift = gScreen_wobble_x;
		1603	}
		1604	if (-gScreen_wobble_y > gY_offset) {
		1605	y_shift = -gY_offset;
		1606	} else if (gScreen_wobble_y + gY_offset + gRender_screen->height > gBack_screen->height) {
		1607	y_shift = gBack_screen->height - gRender_screen->height - gY_offset;
		1608	} else {
		1609	y_shift = gScreen_wobble_y;
		1610	}
		1611	} else {
		1612	x_shift = 0;
		1613	y_shift = 0;
		1614	}
		1615	BrMatrix34Copy(&old_camera_matrix, &gCamera->t.t.mat);
		1616	if (gMirror_on__graphics) {
		1617	BrMatrix34Copy(&old_mirror_cam_matrix, &gRearview_camera->t.t.mat);
		1618	}
		1619	if (cockpit_on) {
		1620	gSheer_mat.m[2][1] = y_shift / (float)gRender_screen->height;
		1621	gSheer_mat.m[2][0] = -x_shift / (float)gRender_screen->width;
		1622	BrMatrix34Pre(&gCamera->t.t.mat, &gSheer_mat);
		1623	gCamera->t.t.translate.t.v[0] -= gScreen_wobble_x * 1.5f / gRender_screen->width / WORLD_SCALE;
		1624	gCamera->t.t.translate.t.v[1] += gScreen_wobble_y * 1.5f / gRender_screen->width / WORLD_SCALE;
		1625	}
		1626	gRender_screen->pixels = (char)gRender_screen->pixels + x_shift + y_shift gRender_screen->row_bytes;
		1627	CalculateConcussion(the_time);
		1628	BrPixelmapRectangleFill(gDepth_buffer, 0, 0, gRender_screen->width, gRender_screen->height, 0xFFFFFFFF);
		1629	if (gRender_indent && !gMap_mode) {
		1630	BrPixelmapRectangleFill(
		1631	gBack_screen,
		1632	0,
		1633	0,
		1634	gGraf_specs[gGraf_spec_index].total_width,
		1635	gProgram_state.current_render_top,
		1636	0);
		1637	BrPixelmapRectangleFill(
		1638	gBack_screen,
		1639	0,
		1640	gProgram_state.current_render_bottom,
		1641	gGraf_specs[gGraf_spec_index].total_width,
		1642	gGraf_specs[gGraf_spec_index].total_height - gProgram_state.current_render_bottom,
		1643	0);
		1644	BrPixelmapRectangleFill(
		1645	gBack_screen,
		1646	0,
		1647	gProgram_state.current_render_top,
		1648	gProgram_state.current_render_left,
		1649	gProgram_state.current_render_bottom - gProgram_state.current_render_top,
		1650	0);
		1651	BrPixelmapRectangleFill(
		1652	gBack_screen,
		1653	gProgram_state.current_render_right,
		1654	gProgram_state.current_render_top,
		1655	gGraf_specs[gGraf_spec_index].total_width - gProgram_state.current_render_right,
		1656	gProgram_state.current_render_bottom - gProgram_state.current_render_top,
		1657	0);
		1658	}
		1659	gRendering_mirror = 0;
		1660	DoSpecialCameraEffect(gCamera, &gCamera_to_world);
		1661	if (!ConditionallyFillWithSky(gRender_screen)
		1662	&& !gProgram_state.cockpit_on
		1663	&& !(gAction_replay_camera_mode && gAction_replay_mode)) {
		1664	ExternalSky(gRender_screen, gDepth_buffer, gCamera, &gCamera_to_world);
		1665	}
		1666	#if !defined(DETHRACE_FIX_BUGS)
		1667	// in map mode, the scene is rendered 3 times. We have no idea why.
		1668	for (i = 0; i < (gMap_mode ? 3 : 1); i++)
		1669	#endif
		1670	{
		1671	RenderShadows(gUniverse_actor, &gProgram_state.track_spec, gCamera, &gCamera_to_world);
		1672	BrZbSceneRenderBegin(gUniverse_actor, gCamera, gRender_screen, gDepth_buffer);
		1673	ProcessNonTrackActors(gRender_screen, gDepth_buffer, gCamera, &gCamera_to_world, &old_camera_matrix);
		1674	ProcessTrack(gUniverse_actor, &gProgram_state.track_spec, gCamera, &gCamera_to_world, 0);
		1675	RenderLollipops();
		1676
		1677	// dethrace: must flush gpu buffer before rendering depth effect into framebuffer
		1678	gHarness_platform.Renderer_FlushBuffers();
		1679	DepthEffectSky(gRender_screen, gDepth_buffer, gCamera, &gCamera_to_world);
		1680	DepthEffect(gRender_screen, gDepth_buffer, gCamera, &gCamera_to_world);
		1681	if (!gAusterity_mode) {
		1682	ProcessTrack(gUniverse_actor, &gProgram_state.track_spec, gCamera, &gCamera_to_world, 1);
		1683	}
		1684	RenderSplashes();
		1685	// dethrace: must flush gpu buffer before rendering smoke into framebuffer
		1686	gHarness_platform.Renderer_FlushBuffers();
		1687	RenderSmoke(gRender_screen, gDepth_buffer, gCamera, &gCamera_to_world, gFrame_period);
		1688	RenderSparks(gRender_screen, gDepth_buffer, gCamera, &gCamera_to_world, gFrame_period);
		1689	RenderProximityRays(gRender_screen, gDepth_buffer, gCamera, &gCamera_to_world, gFrame_period);
		1690	BrZbSceneRenderEnd();
		1691	}
		1692	BrMatrix34Copy(&gCamera->t.t.mat, &old_camera_matrix);
		1693	if (gMirror_on__graphics) {
		1694	LOG_WARN_ONCE("rearview mirror not implemented");
11	pmbaty	1695	#if 0
		1696	BrPixelmapFill(gRearview_depth_buffer, 0xFFFFFFFF);
1	pmbaty	1697	gRendering_mirror = 1;
		1698	DoSpecialCameraEffect(gRearview_camera, &gRearview_camera_to_world);
		1699	ConditionallyFillWithSky(gRearview_screen);
		1700	BrZbSceneRenderBegin(gUniverse_actor, gRearview_camera, gRearview_screen, gRearview_depth_buffer);
		1701	ProcessNonTrackActors(
		1702	gRearview_screen,
		1703	gRearview_depth_buffer,
		1704	gRearview_camera,
		1705	&gRearview_camera_to_world,
		1706	&old_mirror_cam_matrix);
		1707	ProcessTrack(gUniverse_actor, &gProgram_state.track_spec, gRearview_camera, &gRearview_camera_to_world, 0);
		1708	RenderLollipops();
		1709	DepthEffectSky(gRearview_screen, gRearview_depth_buffer, gRearview_camera, &gRearview_camera_to_world);
		1710	DepthEffect(gRearview_screen, gRearview_depth_buffer, gRearview_camera, &gRearview_camera_to_world);
		1711	if (!gAusterity_mode) {
		1712	ProcessTrack(gUniverse_actor, &gProgram_state.track_spec, gRearview_camera, &gRearview_camera_to_world, 1);
		1713	}
		1714	RenderSplashes();
		1715	BrZbSceneRenderEnd();
		1716	BrMatrix34Copy(&gRearview_camera->t.t.mat, &old_mirror_cam_matrix);
11	pmbaty	1717	gRendering_mirror = 0;
		1718	#endif
1	pmbaty	1719	}
		1720	if (gMap_mode) {
		1721	if (gNet_mode == eNet_mode_none) {
		1722	GetTimerString(the_text, 0);
		1723	map_timer_width = DRTextWidth(&gFonts[2], the_text);
		1724	map_timer_x = gCurrent_graf_data->map_timer_text_x - map_timer_width;
		1725	BrPixelmapRectangleFill(
		1726	gBack_screen,
		1727	map_timer_x - gCurrent_graf_data->map_timer_border_x,
		1728	gCurrent_graf_data->map_timer_text_y - gCurrent_graf_data->map_timer_border_y,
		1729	map_timer_width + 2 * gCurrent_graf_data->map_timer_border_x,
11	pmbaty	1730	gFonts[kFont_BLUEHEAD].height + 2 * gCurrent_graf_data->map_timer_border_y,
1	pmbaty	1731	0);
		1732	TransDRPixelmapText(
		1733	gBack_screen,
		1734	map_timer_x,
		1735	gCurrent_graf_data->map_timer_text_y,
11	pmbaty	1736	&gFonts[kFont_BLUEHEAD],
1	pmbaty	1737	the_text,
		1738	gBack_screen->width);
		1739	}
		1740	the_time = PDGetTotalTime();
		1741	if (gNet_mode != eNet_mode_none) {
		1742	if (gCurrent_net_game->type == eNet_game_type_checkpoint) {
		1743	flags = gNet_players[gThis_net_player_index].score;
		1744	for (i = 0; gCurrent_race.check_point_count > i; ++i) {
		1745	if ((flags & 1) != 0) {
		1746	FlashyMapCheckpoint(i, the_time);
		1747	}
		1748	flags >>= 1;
		1749	}
		1750	} else if (gCurrent_net_game->type == eNet_game_type_sudden_death
		1751	&& gNet_players[gThis_net_player_index].score >= 0) {
		1752	FlashyMapCheckpoint(
		1753	gNet_players[gThis_net_player_index].score % gCurrent_race.check_point_count,
		1754	the_time);
		1755	}
		1756	} else {
		1757	FlashyMapCheckpoint(gCheckpoint - 1, the_time);
		1758	}
		1759	if (gShow_peds_on_map \|\| (gNet_mode != eNet_mode_none && gCurrent_net_game->options.show_powerups_on_map)) {
		1760	for (i = 0; i < GetPedCount(); i++) {
		1761	ped_type = GetPedPosition(i, &pos);
		1762	if (ped_type > 0 && gShow_peds_on_map) {
		1763	DrawMapSmallBlip(the_time, &pos, 52);
		1764	} else if (ped_type < 0 && (gNet_mode != eNet_mode_none && gCurrent_net_game->options.show_powerups_on_map)) {
		1765	DrawMapSmallBlip(the_time, &pos, 4);
		1766	}
		1767	}
		1768	}
		1769	if (gShow_opponents) {
		1770	cat = eVehicle_opponent;
		1771	} else {
		1772	cat = eVehicle_self;
		1773	}
		1774	while (cat >= eVehicle_self) {
		1775	if (cat) {
		1776	car_count = GetCarCount(cat);
		1777	} else {
		1778	car_count = 1;
		1779	}
		1780	for (i = 0; i < car_count; i++) {
		1781	if (cat) {
		1782	car = GetCarSpec(cat, i);
		1783	} else {
		1784	car = &gProgram_state.current_car;
		1785	}
		1786	if (gNet_mode == eNet_mode_none \|\| (!car->knackered && !NetPlayerFromCar(car)->wasted)) {
		1787	if (cat) {
		1788	car_pos = &GetCarSpec(cat, i)->car_master_actor->t.t.euler.t;
		1789	} else {
		1790	car_pos = &gSelf->t.t.euler.t;
		1791	}
		1792	if (gNet_mode) {
		1793	DrawMapBlip(
		1794	car,
		1795	the_time,
		1796	&car->car_master_actor->t.t.mat,
		1797	car_pos,
		1798	car->shrapnel_material[0]->index_range + car->shrapnel_material[0]->index_base - 1);
		1799	} else if (car->knackered) {
		1800	DrawMapBlip(car, the_time, &car->car_master_actor->t.t.mat, car_pos, 0);
		1801	} else {
		1802	DrawMapBlip(car, the_time, &car->car_master_actor->t.t.mat, car_pos, gMap_colours[cat]);
		1803	}
		1804	}
		1805	}
		1806	cat--;
		1807	}
		1808	gBack_screen->origin_x = real_origin_x;
		1809	gBack_screen->origin_y = real_origin_y;
		1810	gBack_screen->base_x = real_base_x;
		1811	gBack_screen->base_y = real_base_y;
		1812	} else {
		1813	if (cockpit_on) {
		1814	CopyStripImage(
		1815	gBack_screen,
		1816	-gCurrent_graf_data->cock_margin_x,
		1817	gScreen_wobble_x,
		1818	-gCurrent_graf_data->cock_margin_y,
		1819	gScreen_wobble_y,
		1820	gProgram_state.current_car.cockpit_images[gProgram_state.cockpit_image_index],
		1821	0,
		1822	0,
		1823	gCurrent_graf_data->total_cock_width,
		1824	gCurrent_graf_data->total_cock_height);
		1825	if (gMirror_on__graphics) {
		1826	BrPixelmapRectangleCopy(
		1827	gBack_screen,
		1828	gScreen_wobble_x + gProgram_state.current_car.mirror_left,
		1829	gScreen_wobble_y + gProgram_state.current_car.mirror_top,
		1830	gRearview_screen,
		1831	-gRearview_screen->origin_x,
		1832	-gRearview_screen->origin_y,
		1833	gProgram_state.current_car.mirror_right - gProgram_state.current_car.mirror_left,
		1834	gProgram_state.current_car.mirror_bottom - gProgram_state.current_car.mirror_top);
		1835	}
		1836	}
		1837	DimAFewBits();
		1838	DoDamageScreen(the_time);
		1839	if (!gAction_replay_mode \|\| gAR_fudge_headups) {
		1840	DoPratcam(the_time);
		1841	DoHeadups(the_time);
		1842	}
		1843	DoInstruments(the_time);
		1844	DoSteeringWheel(the_time);
		1845	if (!gAction_replay_mode \|\| gAR_fudge_headups) {
		1846	DrawPowerups(the_time);
		1847	}
		1848	}
		1849	if (gNet_mode != eNet_mode_none) {
		1850	DisplayUserMessage();
		1851	}
		1852	if (gAction_replay_mode && !gAR_fudge_headups) {
		1853	DoActionReplayHeadups();
		1854	}
		1855	if (gAction_replay_mode) {
		1856	SynchronizeActionReplay();
		1857	} else {
		1858	PipeFrameFinish();
		1859	}
		1860	gRender_screen->pixels = old_pixels;
		1861	if (!gPalette_fade_time \|\| GetRaceTime() > gPalette_fade_time + 500) {
		1862	PDScreenBufferSwap(0);
		1863	}
		1864	if (gAction_replay_mode) {
		1865	DoActionReplayPostSwap();
		1866	}
		1867	}
		1868
		1869	// IDA: void __cdecl InitPaletteAnimate()
		1870	void InitPaletteAnimate(void) {
		1871	LOG_TRACE("()");
		1872
		1873	gLast_palette_change = 0;
		1874	gPalette_index = 0;
		1875	}
		1876
		1877	// IDA: void __cdecl RevertPalette()
		1878	void RevertPalette(void) {
		1879
		1880	memcpy(gRender_palette->pixels, gOrig_render_palette->pixels, 0x400u);
		1881	DRSetPalette3(gRender_palette, 1);
		1882	}
		1883
		1884	// IDA: void __cdecl MungePalette()
		1885	void MungePalette(void) {
		1886	//tU8* p; // Pierre-Marie Baty -- unused variable
		1887	//tU8* q; // Pierre-Marie Baty -- unused variable
		1888	//int i; // Pierre-Marie Baty -- unused variable
		1889	//float damage; // Pierre-Marie Baty -- unused variable
		1890	//float throb_start; // Pierre-Marie Baty -- unused variable
		1891	//float throb_end; // Pierre-Marie Baty -- unused variable
		1892	//float throb_amount; // Pierre-Marie Baty -- unused variable
		1893	//float throb_amount_dash; // Pierre-Marie Baty -- unused variable
		1894	//float omega; // Pierre-Marie Baty -- unused variable
		1895	//tU32 period; // Pierre-Marie Baty -- unused variable
		1896	//tU32 the_time; // Pierre-Marie Baty -- unused variable
		1897	//static int palette_spammed; // Pierre-Marie Baty -- unused variable
		1898	//static float last_omega; // Pierre-Marie Baty -- unused variable
		1899	//static tU32 next_repair_time; // Pierre-Marie Baty -- unused variable
		1900	//static tU32 last_sound; // Pierre-Marie Baty -- unused variable
		1901	LOG_TRACE("()");
		1902	NOT_IMPLEMENTED();
		1903	}
		1904
		1905	// IDA: void __cdecl ResetPalette()
		1906	void ResetPalette(void) {
		1907	LOG_TRACE("()");
		1908
		1909	InitPaletteAnimate();
		1910	DRSetPalette(gRender_palette);
		1911	}
		1912
		1913	// IDA: void __usercall Darken(tU8 *pPtr@<EAX>, unsigned int pDarken_amount@<EDX>)
		1914	void Darken(tU8* pPtr, unsigned int pDarken_amount) {
		1915	//unsigned int value; // Pierre-Marie Baty -- unused variable
		1916	LOG_TRACE10("(%p, %d)", pPtr, pDarken_amount);
		1917
		1918	pPtr = (pDarken_amount *pPtr) / 256;
		1919	}
		1920
		1921	// IDA: void __usercall SetFadedPalette(int pDegree@<EAX>)
		1922	void SetFadedPalette(int pDegree) {
		1923	int j;
		1924	//br_pixelmap* the_palette; // Pierre-Marie Baty -- unused variable
		1925	//char* the_pixels; // Pierre-Marie Baty -- unused variable
		1926	LOG_TRACE10("(%d)", pDegree);
		1927
		1928	memcpy(gScratch_pixels, gCurrent_palette->pixels, 0x400u);
		1929	for (j = 0; j < 256; j++) {
		1930	Darken((tU8)&gScratch_pixels[4 j], pDegree);
		1931	Darken((tU8)&gScratch_pixels[4 j + 1], pDegree);
		1932	Darken((tU8)&gScratch_pixels[4 j + 2], pDegree);
		1933	Darken((tU8)&gScratch_pixels[4 j + 3], pDegree);
		1934	}
		1935	DRSetPalette2(gScratch_palette, 0);
		1936	}
		1937
		1938	// IDA: void __cdecl FadePaletteDown()
		1939	void FadePaletteDown(void) {
		1940	int i;
		1941	int start_time;
		1942	int the_time;
		1943	LOG_TRACE("()");
		1944
		1945	if (!gFaded_palette) {
		1946	gFaded_palette = 1;
		1947	MungeEngineNoise();
		1948	gFaded_palette = 0;
		1949	start_time = PDGetTotalTime();
		1950	while (1) {
		1951	the_time = PDGetTotalTime() - start_time;
		1952	if (the_time >= 500) {
		1953	break;
		1954	}
		1955	i = 256 - ((the_time * 256) / 500);
		1956	SetFadedPalette(i);
		1957	}
		1958	SetFadedPalette(0);
		1959	gFaded_palette = 1;
		1960	}
		1961	}
		1962
		1963	// IDA: void __cdecl FadePaletteUp()
		1964	void FadePaletteUp(void) {
		1965	int i;
		1966	int start_time;
		1967	int the_time;
		1968	LOG_TRACE("()");
		1969
		1970	if (gFaded_palette) {
		1971	gFaded_palette = 0;
		1972	start_time = PDGetTotalTime();
		1973	while (1) {
		1974	the_time = PDGetTotalTime() - start_time;
		1975	if (the_time >= 500) {
		1976	break;
		1977	}
		1978	i = (the_time * 256) / 500;
		1979	SetFadedPalette(i);
		1980	}
		1981	DRSetPalette(gCurrent_palette);
		1982	}
		1983	}
		1984
		1985	// IDA: void __cdecl KillSplashScreen()
		1986	void KillSplashScreen(void) {
		1987
		1988	if (gCurrent_splash != NULL) {
		1989	BrMapRemove(gCurrent_splash);
		1990	BrPixelmapFree(gCurrent_splash);
		1991	gCurrent_splash = NULL;
		1992	FadePaletteDown();
		1993	ClearEntireScreen();
		1994	}
		1995	}
		1996
		1997	// IDA: void __cdecl EnsureRenderPalette()
		1998	void EnsureRenderPalette(void) {
		1999	LOG_TRACE("()");
		2000
		2001	if (gPalette_munged) {
		2002	ResetPalette();
		2003	gPalette_munged = 0;
		2004	}
		2005	}
		2006
		2007	// IDA: void __usercall SplashScreenWith(char *pPixmap_name@<EAX>)
		2008	void SplashScreenWith(char* pPixmap_name) {
		2009	br_pixelmap* the_map;
		2010	LOG_TRACE("(\"%s\")", pPixmap_name);
		2011
		2012	the_map = BrMapFind(pPixmap_name);
		2013	if (gCurrent_splash == NULL \|\| the_map != gCurrent_splash) {
		2014	FadePaletteDown();
		2015	EnsureRenderPalette();
		2016
		2017	if (gCurrent_splash != NULL) {
		2018	KillSplashScreen();
		2019	}
		2020	gCurrent_splash = the_map;
		2021	if (the_map == NULL) {
		2022	the_map = LoadPixelmap(pPixmap_name);
		2023	gCurrent_splash = the_map;
		2024	if (the_map != NULL) {
		2025	BrMapAdd(the_map);
		2026	}
		2027	}
		2028	if (gCurrent_splash != NULL) {
		2029	BrPixelmapRectangleCopy(
		2030	gBack_screen,
		2031	0,
		2032	0,
		2033	gCurrent_splash,
		2034	0,
		2035	0,
		2036	gCurrent_splash->width,
		2037	gCurrent_splash->height);
		2038	PDScreenBufferSwap(0);
		2039	if (gFaded_palette) {
		2040	FadePaletteUp();
		2041	}
		2042	}
		2043	}
		2044	}
		2045
		2046	// IDA: void __cdecl EnsurePaletteUp()
		2047	void EnsurePaletteUp(void) {
		2048
		2049	if (gFaded_palette) {
		2050	FadePaletteUp();
		2051	}
		2052	}
		2053
		2054	// IDA: br_uint_32 __cdecl AmbientificateMaterial(br_material pMat, void pArg)
		2055	br_uint_32 AmbientificateMaterial(br_material* pMat, void* pArg) {
		2056	float a;
		2057
		2058	a = pMat->ka + (br_scalar)pArg;
		2059	if (a < 0.f) {
		2060	a = 0.f;
		2061	} else if (a > 0.99f) {
		2062	a = 0.99f;
		2063	}
		2064	pMat->ka = a;
		2065	return 0;
		2066	}
		2067
		2068	// IDA: void __cdecl ChangeAmbience(br_scalar pDelta)
		2069	void ChangeAmbience(br_scalar pDelta) {
		2070	LOG_TRACE("(%f)", pDelta);
		2071
		2072	BrMaterialEnum("*", AmbientificateMaterial, &pDelta);
		2073	}
		2074
		2075	// IDA: void __cdecl InitAmbience()
		2076	void InitAmbience(void) {
		2077	LOG_TRACE("()");
		2078
		2079	gCurrent_ambience = gAmbient_adjustment;
		2080	ChangeAmbience(gAmbient_adjustment);
		2081	}
		2082
		2083	// IDA: void __usercall DRPixelmapRectangleMaskedCopy(br_pixelmap pDest@<EAX>, br_int_16 pDest_x@<EDX>, br_int_16 pDest_y@<EBX>, br_pixelmap pSource@<ECX>, br_int_16 pSource_x, br_int_16 pSource_y, br_int_16 pWidth, br_int_16 pHeight)
		2084	void DRPixelmapRectangleMaskedCopy(br_pixelmap* pDest, br_int_16 pDest_x, br_int_16 pDest_y, br_pixelmap* pSource, br_int_16 pSource_x, br_int_16 pSource_y, br_int_16 pWidth, br_int_16 pHeight) {
		2085	int y_count;
		2086	int x_count;
		2087	int dest_row_wrap;
		2088	int source_row_wrap;
		2089	//int x_delta; // Pierre-Marie Baty -- unused variable
		2090	tU8 the_byte;
		2091	tU8* source_ptr;
		2092	tU8* dest_ptr;
		2093	tU8* conv_table;
		2094	LOG_TRACE("(%p, %d, %d, %p, %d, %d, %d, %d)", pDest, pDest_x, pDest_y, pSource, pSource_x, pSource_y, pWidth, pHeight);
		2095
		2096	source_ptr = (tU8)pSource->pixels + (pSource->row_bytes pSource_y + pSource_x);
		2097	dest_ptr = (tU8)pDest->pixels + (pDest->row_bytes pDest_y + pDest_x);
		2098	source_row_wrap = pSource->row_bytes - pWidth;
		2099	dest_row_wrap = pDest->row_bytes - pWidth;
		2100
		2101	if (pDest_y < 0) {
		2102	pHeight += pDest_y;
		2103	if (pHeight <= 0) {
		2104	return;
		2105	}
		2106	source_ptr -= pDest_y * pSource->row_bytes;
		2107	dest_ptr -= pDest_y * pDest->row_bytes;
		2108	pDest_y = 0;
		2109	}
		2110	if (pDest_y >= pDest->height) {
		2111	return;
		2112	}
		2113	if (pDest_y + pHeight > pDest->height) {
		2114	pHeight = pDest->height - pDest_y;
		2115	}
		2116	if (pDest_x < 0) {
		2117	pWidth += pDest_x;
		2118	if (pWidth <= 0) {
		2119	return;
		2120	}
		2121	source_ptr -= pDest_x;
		2122	dest_ptr -= pDest_x;
		2123	source_row_wrap -= pDest_x;
		2124	dest_row_wrap -= pDest_x;
		2125	pDest_x = 0;
		2126	}
		2127	if (pDest_x >= pDest->width) {
		2128	return;
		2129	}
		2130	if (pDest_x + pWidth > pDest->width) {
		2131	source_row_wrap += pDest_x + pWidth - pDest->width;
		2132	dest_row_wrap += pDest_x + pWidth - pDest->width;
		2133	pWidth = pDest->width - pDest_x;
		2134	}
		2135	// LOG_DEBUG("2 (src->width: %d, src->height: %d, pDest_x: %d, pDest_y: %d, pSource_x: %d, pSource_y: %d, pWidth: %d, pHeight: %d)", pSource->width, pSource->height, pDest_x, pDest_y, pSource_x, pSource_y, pWidth, pHeight);
		2136	if (gCurrent_conversion_table != NULL) {
		2137	conv_table = gCurrent_conversion_table->pixels;
		2138	for (y_count = 0; y_count < pHeight; y_count++) {
		2139	for (x_count = 0; x_count < pWidth; x_count++) {
		2140	the_byte = *source_ptr;
		2141	if (the_byte != 0) {
		2142	*dest_ptr = conv_table[the_byte];
		2143	}
		2144	source_ptr++;
		2145	dest_ptr++;
		2146	}
		2147	source_ptr += source_row_wrap;
		2148	dest_ptr += dest_row_wrap;
		2149	}
		2150	} else {
		2151	for (y_count = 0; y_count < pHeight; y_count++) {
		2152	for (x_count = 0; x_count < pWidth; x_count++) {
		2153	the_byte = *source_ptr;
		2154	if (the_byte != 0) {
		2155	*dest_ptr = the_byte;
		2156	}
		2157	source_ptr++;
		2158	dest_ptr++;
		2159	}
		2160	source_ptr += source_row_wrap;
		2161	dest_ptr += dest_row_wrap;
		2162	}
		2163	}
		2164	}
		2165
		2166	// IDA: void __usercall DRMaskedStamp(br_int_16 pDest_x@<EAX>, br_int_16 pDest_y@<EDX>, br_pixelmap *pSource@<EBX>)
		2167	void DRMaskedStamp(br_int_16 pDest_x, br_int_16 pDest_y, br_pixelmap* pSource) {
		2168	LOG_TRACE("(%d, %d, %p)", pDest_x, pDest_y, pSource);
		2169
		2170	DRPixelmapRectangleMaskedCopy(gBack_screen,
		2171	pDest_x,
		2172	pDest_y,
		2173	pSource,
		2174	0,
		2175	0,
		2176	pSource->width,
		2177	pSource->height);
		2178	}
		2179
		2180	// IDA: void __usercall DRPixelmapRectangleOnscreenCopy(br_pixelmap pDest@<EAX>, br_int_16 pDest_x@<EDX>, br_int_16 pDest_y@<EBX>, br_pixelmap pSource@<ECX>, br_int_16 pSource_x, br_int_16 pSource_y, br_int_16 pWidth, br_int_16 pHeight)
		2181	void DRPixelmapRectangleOnscreenCopy(br_pixelmap* pDest, br_int_16 pDest_x, br_int_16 pDest_y, br_pixelmap* pSource, br_int_16 pSource_x, br_int_16 pSource_y, br_int_16 pWidth, br_int_16 pHeight) {
		2182	int y_count;
		2183	int x_count;
		2184	int dest_row_wrap;
		2185	int source_row_wrap;
		2186	//int x_delta; // Pierre-Marie Baty -- unused variable
		2187	tU8 the_byte;
		2188	tU8* source_ptr;
		2189	tU8* dest_ptr;
		2190	//tU8* conv_table; // Pierre-Marie Baty -- unused variable
		2191	// LOG_TRACE("(%p, %d, %d, %p, %d, %d, %d, %d)", pDest, pDest_x, pDest_y, pSource, pSource_x, pSource_y, pWidth, pHeight);
		2192
		2193	source_row_wrap = pSource->row_bytes - pWidth;
		2194	dest_row_wrap = pDest->row_bytes - pWidth;
		2195	dest_ptr = (tU8)pDest->pixels + (pDest->row_bytes pDest_y + pDest_x);
		2196	source_ptr = (tU8)pSource->pixels + (pSource->row_bytes pSource_y + pSource_x);
		2197
		2198	for (y_count = 0; y_count < pHeight; y_count++) {
		2199	for (x_count = 0; x_count < pWidth; x_count++) {
		2200	the_byte = *source_ptr;
		2201	if (the_byte) {
		2202	*dest_ptr = the_byte;
		2203	}
		2204	source_ptr++;
		2205	dest_ptr++;
		2206	}
		2207	source_ptr += source_row_wrap;
		2208	dest_ptr += dest_row_wrap;
		2209	}
		2210	}
		2211
		2212	// IDA: void __usercall DRPixelmapRectangleShearedCopy(br_pixelmap pDest@<EAX>, br_int_16 pDest_x@<EDX>, br_int_16 pDest_y@<EBX>, br_pixelmap pSource@<ECX>, br_int_16 pSource_x, br_int_16 pSource_y, br_int_16 pWidth, br_int_16 pHeight, tX1616 pShear)
		2213	void DRPixelmapRectangleShearedCopy(br_pixelmap* pDest, br_int_16 pDest_x, br_int_16 pDest_y, br_pixelmap* pSource, br_int_16 pSource_x, br_int_16 pSource_y, br_int_16 pWidth, br_int_16 pHeight, tX1616 pShear) {
		2214	int y_count;
		2215	int x_count;
		2216	int dest_row_wrap;
		2217	int source_row_wrap;
		2218	//int x_delta; // Pierre-Marie Baty -- unused variable
		2219	int last_shear_x;
		2220	int current_shear_x;
		2221	int shear_x_difference;
		2222	int pWidth_orig;
		2223	tU8 the_byte;
		2224	tU8* source_ptr;
		2225	tU8* dest_ptr;
		2226	//tU8* conv_table; // Pierre-Marie Baty -- unused variable
		2227	tX1616 current_shear;
		2228	LOG_TRACE("(%p, %d, %d, %p, %d, %d, %d, %d, %d)", pDest, pDest_x, pDest_y, pSource, pSource_x, pSource_y, pWidth, pHeight, pShear);
		2229
		2230	current_shear = 0;
		2231	last_shear_x = 0;
		2232	source_ptr = (tU8)pSource->pixels + pSource_x + pSource_y pSource->row_bytes;
		2233	dest_ptr = (tU8)pDest->pixels + pDest_x + pDest_y pDest->row_bytes;
		2234	source_row_wrap = pSource->row_bytes - pWidth;
		2235	dest_row_wrap = pDest->row_bytes - pWidth;
		2236	if (pDest_y < 0) {
		2237	pHeight += pDest_y;
		2238	if (pHeight <= 0) {
		2239	return;
		2240	}
		2241	source_ptr -= pDest_y * pSource->row_bytes;
		2242	dest_ptr -= pDest_y * pDest->row_bytes;
		2243	pDest_y = 0;
		2244	}
		2245	if (pDest->height > pDest_y) {
		2246	if (pDest_y + pHeight > pDest->height) {
		2247	pHeight = pDest->height - pDest_y;
		2248	}
		2249	if (pDest_x < 0) {
		2250	pWidth += pDest_x;
		2251	if (pWidth <= 0) {
		2252	return;
		2253	}
		2254	source_ptr -= pDest_x;
		2255	dest_ptr -= pDest_x;
		2256	source_row_wrap -= pDest_x;
		2257	dest_row_wrap -= pDest_x;
		2258	pDest_x = 0;
		2259	}
		2260	if (pDest->width > pDest_x) {
		2261	pWidth_orig = pWidth;
		2262	for (y_count = 0; pHeight > y_count; ++y_count) {
		2263	#if !defined(DETHRACE_FIX_BUGS)
		2264	/*
		2265	* The OG compares against pWidth instead of pWidth_orig, which
		2266	* ends up clipped to the dest pixelmap width. This effectively
		2267	* clips the consecutive rows of pixels along the shear, leaving
		2268	* a visible gap on the screen. Instead, when comparing against
		2269	* pWidth_orig, the clip takes place vertically along the dest
		2270	* pixelmap edge, allowing all pixels to be displayed.
		2271	*
		2272	* Simulate OG behavior by overwriting pWidth_orig with pWidth.
		2273	*/
		2274	pWidth_orig = pWidth;
		2275	#endif
		2276	if (pDest_x + pWidth_orig > pDest->width) {
		2277	shear_x_difference = pDest_x + pWidth - pDest->width;
		2278	pWidth = pDest->width - pDest_x;
		2279	source_row_wrap += shear_x_difference;
		2280	dest_row_wrap += shear_x_difference;
		2281	}
		2282	for (x_count = 0; pWidth > x_count; ++x_count) {
		2283	the_byte = *source_ptr++;
		2284	if (the_byte) {
		2285	*dest_ptr = the_byte;
		2286	}
		2287	++dest_ptr;
		2288	}
		2289	current_shear_x = (current_shear >> 16) - last_shear_x;
		2290	dest_ptr += dest_row_wrap + current_shear_x;
		2291	last_shear_x = current_shear >> 16;
		2292	source_ptr += source_row_wrap;
		2293	current_shear += pShear;
		2294	pDest_x += current_shear_x;
		2295	if (pDest_x < 0) {
		2296	pWidth += pDest_x;
		2297	source_ptr -= pDest_x;
		2298	dest_ptr -= pDest_x;
		2299	source_row_wrap -= pDest_x;
		2300	dest_row_wrap -= pDest_x;
		2301	pDest_x = 0;
		2302	}
		2303	if (pDest->width <= pDest_x) {
		2304	break;
		2305	}
		2306	}
		2307	}
		2308	}
		2309	}
		2310
		2311	// IDA: void __usercall DRPixelmapRectangleVScaledCopy(br_pixelmap pDest@<EAX>, br_int_16 pDest_x@<EDX>, br_int_16 pDest_y@<EBX>, br_pixelmap pSource@<ECX>, br_int_16 pSource_x, br_int_16 pSource_y, br_int_16 pWidth, br_int_16 pHeight)
		2312	void DRPixelmapRectangleVScaledCopy(br_pixelmap* pDest, br_int_16 pDest_x, br_int_16 pDest_y, br_pixelmap* pSource, br_int_16 pSource_x, br_int_16 pSource_y, br_int_16 pWidth, br_int_16 pHeight) {
		2313	int y_count;
		2314	int x_count;
		2315	int dest_row_wrap;
		2316	int source_row_wrap;
		2317	//int x_delta; // Pierre-Marie Baty -- unused variable
		2318	tU8 the_byte;
		2319	tU8* source_ptr;
		2320	tU8* dest_ptr;
		2321	tU32 source_y;
		2322	tU32 source_y_delta;
		2323	tU32 old_source_y;
		2324	LOG_TRACE("(%p, %d, %d, %p, %d, %d, %d, %d)", pDest, pDest_x, pDest_y, pSource, pSource_x, pSource_y, pWidth, pHeight);
		2325
		2326	if (!pHeight) {
		2327	return;
		2328	}
		2329
		2330	source_row_wrap = pSource->row_bytes - pWidth;
		2331	dest_row_wrap = pDest->row_bytes - pWidth;
		2332	dest_ptr = (tU8)pDest->pixels + (pDest->row_bytes pDest_y + pDest_x);
		2333	source_ptr = (tU8)pSource->pixels + (pSource->row_bytes pSource_y + pSource_x);
		2334
		2335	source_y = 0;
		2336	source_y_delta = (pSource->height << 16) / pHeight - 0x10000;
		2337
		2338	for (y_count = 0; y_count < pHeight; y_count++) {
		2339	for (x_count = 0; x_count < pWidth; x_count++) {
		2340	the_byte = *source_ptr;
		2341	if (the_byte) {
		2342	*dest_ptr = the_byte;
		2343	}
		2344	source_ptr++;
		2345	dest_ptr++;
		2346	}
		2347	old_source_y = source_y;
		2348	source_y += source_y_delta;
		2349	source_ptr += (((source_y >> 16) - (old_source_y >> 16)) * pSource->row_bytes) + source_row_wrap;
		2350	dest_ptr += dest_row_wrap;
		2351	}
		2352	}
		2353
		2354	// IDA: void __cdecl InitTransientBitmaps()
		2355	void InitTransientBitmaps(void) {
		2356	int i;
		2357	LOG_TRACE("()");
		2358
		2359	for (i = 0; i < COUNT_OF(gTransient_bitmaps); i++) {
		2360	gTransient_bitmaps[i].pixmap = NULL;
		2361	gTransient_bitmaps[i].in_use = 0;
		2362	}
		2363	}
		2364
		2365	// IDA: int __usercall AllocateTransientBitmap@<EAX>(int pWidth@<EAX>, int pHeight@<EDX>, int pUser_data@<EBX>)
		2366	int AllocateTransientBitmap(int pWidth, int pHeight, int pUser_data) {
		2367	int bm_index;
		2368	LOG_TRACE("(%d, %d, %d)", pWidth, pHeight, pUser_data);
		2369
		2370	for (bm_index = 0; bm_index < COUNT_OF(gTransient_bitmaps); bm_index++) {
		2371	if (gTransient_bitmaps[bm_index].pixmap == NULL) {
		2372	gTransient_bitmaps[bm_index].pixmap = DRPixelmapAllocate(BR_PMT_INDEX_8, pWidth + 8, pHeight, NULL, 0);
		2373	gTransient_bitmaps[bm_index].in_use = 0;
		2374	gTransient_bitmaps[bm_index].user_data = pUser_data;
		2375	return bm_index;
		2376	}
		2377	}
		2378	FatalError(kFatalError_FindSpareTransientBitmap);
		2379	}
		2380
		2381	// IDA: void __usercall DeallocateTransientBitmap(int pIndex@<EAX>)
		2382	void DeallocateTransientBitmap(int pIndex) {
		2383	LOG_TRACE("(%d)", pIndex);
		2384
		2385	if (gTransient_bitmaps[pIndex].pixmap != NULL) {
		2386	BrPixelmapFree(gTransient_bitmaps[pIndex].pixmap);
		2387	gTransient_bitmaps[pIndex].pixmap = NULL;
		2388	gTransient_bitmaps[pIndex].in_use = 0;
		2389	}
		2390	}
		2391
		2392	// IDA: void __cdecl DeallocateAllTransientBitmaps()
		2393	void DeallocateAllTransientBitmaps(void) {
		2394	int i;
		2395	LOG_TRACE("()");
		2396
		2397	for (i = 0; i < COUNT_OF(gTransient_bitmaps); i++) {
		2398	DeallocateTransientBitmap(i);
		2399	}
		2400	}
		2401
		2402	// IDA: void __usercall RemoveTransientBitmaps(int pGraphically_remove_them@<EAX>)
		2403	void RemoveTransientBitmaps(int pGraphically_remove_them) {
		2404	int i;
		2405	int order_number;
		2406
		2407	if (pGraphically_remove_them) {
		2408	for (order_number = gNext_transient - 1; order_number >= 0; order_number--) {
		2409	for (i = 0; i < COUNT_OF(gTransient_bitmaps); i++) {
		2410	if (gTransient_bitmaps[i].pixmap != NULL && gTransient_bitmaps[i].order_number == order_number) {
		2411	if (gTransient_bitmaps[i].in_use) {
		2412	BrPixelmapRectangleCopy(gBack_screen,
		2413	gTransient_bitmaps[i].x_coord,
		2414	gTransient_bitmaps[i].y_coord,
		2415	gTransient_bitmaps[i].pixmap,
		2416	0,
		2417	0,
		2418	gTransient_bitmaps[i].pixmap->width,
		2419	gTransient_bitmaps[i].pixmap->height);
		2420	}
		2421	break;
		2422	}
		2423	}
		2424	}
		2425	}
		2426	gNext_transient = 0;
		2427	}
		2428
		2429	// IDA: void __usercall SaveTransient(int pIndex@<EAX>, int pX_coord@<EDX>, int pY_coord@<EBX>)
		2430	void SaveTransient(int pIndex, int pX_coord, int pY_coord) {
		2431	LOG_TRACE("(%d, %d, %d)", pIndex, pX_coord, pY_coord);
		2432
		2433	gTransient_bitmaps[pIndex].x_coord = pX_coord & ~3;
		2434	gTransient_bitmaps[pIndex].y_coord = pY_coord;
		2435	gTransient_bitmaps[pIndex].in_use = 1;
		2436	gTransient_bitmaps[pIndex].order_number = gNext_transient;
		2437	gNext_transient++;
		2438	BrPixelmapRectangleCopy(gTransient_bitmaps[pIndex].pixmap,
		2439	0,
		2440	0,
		2441	gBack_screen,
		2442	gTransient_bitmaps[pIndex].x_coord,
		2443	gTransient_bitmaps[pIndex].y_coord,
		2444	gTransient_bitmaps[pIndex].pixmap->width,
		2445	gTransient_bitmaps[pIndex].pixmap->height);
		2446	}
		2447
		2448	// IDA: void __usercall DrawCursorGiblet(tCursor_giblet *pGib@<EAX>)
		2449	void DrawCursorGiblet(tCursor_giblet* pGib) {
		2450	br_pixelmap* the_image;
		2451	LOG_TRACE("(%p)", pGib);
		2452
		2453	SaveTransient(pGib->transient_index, pGib->x_coord, pGib->y_coord);
		2454	the_image = gCursor_giblet_images[gCursor_giblet_sequences[pGib->sequence_index][pGib->current_giblet]];
		2455	DRPixelmapRectangleMaskedCopy(gBack_screen,
		2456	pGib->x_coord,
		2457	pGib->y_coord,
		2458	the_image,
		2459	0,
		2460	0,
		2461	the_image->width,
		2462	the_image->height);
		2463	}
		2464
		2465	// IDA: void __usercall ProcessCursorGiblets(int pPeriod@<EAX>)
		2466	void ProcessCursorGiblets(int pPeriod) {
		2467	int i;
		2468	int kill_the_giblet;
		2469	tU32 time_now;
		2470	tCursor_giblet* gib;
		2471	LOG_TRACE("(%d)", pPeriod);
		2472
		2473	time_now = PDGetTotalTime();
		2474	for (i = 0; i < COUNT_OF(gCursor_giblets); i++) {
		2475	gib = &gCursor_giblets[i];
		2476	kill_the_giblet = 0;
		2477	if (gib->current_giblet == -1) {
		2478	continue;
		2479	}
		2480	if (!gib->landed && gib->e_t_a <= time_now) {
		2481	gib->landed = 1;
		2482	gib->the_speed = 0.f;
		2483	}
		2484	if (gib->landed) {
		2485	gib->giblet_change_period -= pPeriod / 2;
		2486	if (gib->giblet_change_period < 50) {
		2487	gib->giblet_change_period = 50;
		2488	}
		2489	if (gib->giblet_change_period <= time_now - gib->last_giblet_change) {
		2490	if (gCursor_giblet_sequences[gib->sequence_index][0] == gib->current_giblet) {
		2491	gib->current_giblet = 1;
		2492	} else {
		2493	gib->current_giblet++;
		2494	}
		2495	gib->last_giblet_change = time_now;
		2496	}
		2497	gib->y_coord += pPeriod * gib->the_speed / 1000.f;
		2498	if (gib->y_coord <= gGraf_data[gGraf_data_index].height) {
		2499	if (gib->the_speed < gGraf_specs[gGraf_spec_index].total_height * 160 / 480) {
		2500	gib->the_speed += pPeriod * gGraf_specs[gGraf_spec_index].total_height * 60 / 480 / 1000.f;
		2501	}
		2502	} else {
		2503	kill_the_giblet = 1;
		2504	}
		2505	} else {
		2506	if (gib->y_speed < gGraf_specs[gGraf_spec_index].total_height * 160 / 480) {
		2507	gib->y_speed += pPeriod * gGraf_specs[gGraf_spec_index].total_height * 60 / 480 / 1000.f * 2.f;
		2508	}
		2509	gib->x_coord += pPeriod * gib->x_speed / 1000.f;
		2510	gib->y_coord += pPeriod * gib->y_speed / 1000.f;
		2511	if (gib->x_coord < 0.f \|\| gib->x_coord >= gGraf_data[gGraf_spec_index].width \|\| gib->y_coord < 0.f \|\| gib->y_coord >= gGraf_data[gGraf_spec_index].height) {
		2512	kill_the_giblet = 1;
		2513	}
		2514	}
		2515	if (kill_the_giblet) {
		2516	gib->current_giblet = -1;
		2517	DeallocateTransientBitmap(gib->transient_index);
		2518	} else {
		2519	DrawCursorGiblet(gib);
		2520	}
		2521	}
		2522	}
		2523
		2524	// IDA: int __usercall NewCursorGiblet@<EAX>(int pX_coord@<EAX>, int pY_coord@<EDX>, float pX_speed, float pY_speed, tU32 pDrop_time)
		2525	int NewCursorGiblet(int pX_coord, int pY_coord, float pX_speed, float pY_speed, tU32 pDrop_time) {
		2526	int i;
		2527	int the_width;
		2528	int the_height;
		2529	int sequence_number;
		2530	LOG_TRACE("(%d, %d, %f, %f, %d)", pX_coord, pY_coord, pX_speed, pY_speed, pDrop_time);
		2531
		2532	sequence_number = IRandomBetween(0, COUNT_OF(gCursor_giblet_sequences) - 1);
		2533	if (pX_coord >= 0 && pX_coord < gGraf_data[gGraf_data_index].width && pY_coord >= 0 && pY_coord < gGraf_data[gGraf_data_index].height) {
		2534	for (i = 0; i < COUNT_OF(gCursor_giblets); i++) {
		2535	if (gCursor_giblets[i].current_giblet == -1) {
		2536	the_width = gCursor_giblet_images[gCursor_giblet_sequences[sequence_number][1]]->width;
		2537	the_height = gCursor_giblet_images[gCursor_giblet_sequences[sequence_number][1]]->height;
		2538	gCursor_giblets[i].transient_index = AllocateTransientBitmap(the_width, the_height, 1);
		2539	gCursor_giblets[i].current_giblet = 1;
		2540	gCursor_giblets[i].sequence_index = sequence_number;
		2541	gCursor_giblets[i].landed = 0;
		2542	gCursor_giblets[i].x_coord = sequence_number * gGraf_specs[gGraf_spec_index].total_width / 640 - the_width / 2 + pX_coord;
		2543	gCursor_giblets[i].y_coord = FRandomPosNeg(6.f) * gGraf_specs[gGraf_spec_index].total_height / 480 - the_height / 2 + pY_coord;
		2544	gCursor_giblets[i].x_speed = pX_speed;
		2545	gCursor_giblets[i].y_speed = pY_speed;
		2546	gCursor_giblets[i].last_giblet_change = 0;
		2547	gCursor_giblets[i].giblet_change_period = 1000;
		2548	gCursor_giblets[i].e_t_a = PDGetTotalTime() + pDrop_time;
		2549	return i;
		2550	}
		2551	}
		2552	}
		2553	return -1;
		2554	}
		2555
		2556	// IDA: int __cdecl DoMouseCursor()
		2557	int DoMouseCursor(void) {
		2558	int x_coord; // Added by DethRace
		2559	int y_coord;
		2560	int mouse_moved;
		2561	int new_required;
		2562	//int giblet_index; // Pierre-Marie Baty -- unused variable
		2563	int cursor_offset;
		2564	int button_is_down;
		2565	int giblet_chance;
		2566	int giblet_count;
		2567	tU32 this_call_time;
		2568	static tU32 last_cursor_change;
		2569	static tU32 last_call_time;
		2570	static tU32 last_required_change;
		2571	tS32 period;
		2572	static int delta_x;
		2573	static int required_cursor;
		2574	static int zero_count;
		2575	static int button_was_down;
		2576
		2577	period = 0;
		2578	this_call_time = PDGetTotalTime();
		2579	if (last_call_time == 0) {
		2580	period = 1000;
		2581	}
		2582	while (period <= 20) {
		2583	this_call_time = PDGetTotalTime();
		2584	period = this_call_time - last_call_time;
		2585	// added by dethrace to avoid 100% CPU usage
		2586	gHarness_platform.Sleep(1);
		2587	}
		2588	GetMousePosition(&x_coord, &y_coord);
		2589	mouse_moved = x_coord != gMouse_last_x_coord \|\| y_coord != gMouse_last_y_coord;
		2590	button_is_down = EitherMouseButtonDown();
		2591	cursor_offset = button_is_down ? 4 : 0;
		2592	if (gMouse_in_use \|\| mouse_moved) {
		2593	gMouse_in_use = 1;
		2594	if (gMouse_last_x_coord == x_coord) {
		2595	if (zero_count >= 5) {
		2596	delta_x = 0;
		2597	}
		2598	zero_count++;
		2599	} else {
		2600	zero_count = 0;
		2601	delta_x = (x_coord - gMouse_last_x_coord) * 1000 / period;
		2602	}
		2603	if (delta_x < -10) {
		2604	new_required = 0;
		2605	} else if (delta_x < 11) {
		2606	new_required = 2;
		2607	} else {
		2608	new_required = 3;
		2609	}
		2610	if (new_required != required_cursor && this_call_time - last_required_change >= 200) {
		2611	last_required_change = this_call_time;
		2612	required_cursor = new_required;
		2613	}
		2614	if (gCurrent_cursor_index != required_cursor && PDGetTotalTime() - last_cursor_change >= 50) {
		2615	if (required_cursor < gCurrent_cursor_index) {
		2616	gCurrent_cursor_index--;
		2617	} else {
		2618	gCurrent_cursor_index++;
		2619	}
		2620	last_cursor_change = PDGetTotalTime();
		2621	}
		2622	giblet_chance = Chance(1.f + 20.f * (abs(x_coord - gMouse_last_x_coord) + abs(y_coord - gMouse_last_y_coord)) / (float)period, period);
		2623	if (gProgram_state.sausage_eater_mode) {
		2624	giblet_count = 0;
		2625	} else {
		2626	giblet_count = 6 * BooleanTo1Or0(button_is_down && !button_was_down) + BooleanTo1Or0(giblet_chance);
		2627	}
		2628	for (; giblet_count != 0; giblet_count--) {
		2629	NewCursorGiblet(
		2630	x_coord + gCursor_gib_x_offsets[gCurrent_cursor_index + cursor_offset] * gGraf_specs[gGraf_spec_index].total_width / 640,
		2631	y_coord + gCursor_gib_y_offsets[gCurrent_cursor_index + cursor_offset] * gGraf_specs[gGraf_spec_index].total_height / 480,
		2632	((float)(x_coord - gMouse_last_x_coord)) / period * 1000.f / 4.f,
		2633	((float)(y_coord - gMouse_last_y_coord)) / period * 1000.f / 3.f,
		2634	(button_is_down && !button_was_down) ? 50 : 400);
		2635	}
		2636	ProcessCursorGiblets(period);
		2637	SaveTransient(gCursor_transient_index,
		2638	x_coord - gCursor_x_offsets[gCurrent_cursor_index + cursor_offset] * gGraf_specs[gGraf_spec_index].total_width / 640,
		2639	y_coord - gCursor_y_offsets[gCurrent_cursor_index + cursor_offset] * gGraf_specs[gGraf_spec_index].total_height / 480);
		2640	DRPixelmapRectangleMaskedCopy(gBack_screen,
		2641	x_coord - gCursor_x_offsets[gCurrent_cursor_index + cursor_offset] * gGraf_specs[gGraf_spec_index].total_width / 640,
		2642	y_coord - gCursor_y_offsets[gCurrent_cursor_index + cursor_offset] * gGraf_specs[gGraf_spec_index].total_height / 480,
		2643	gCursors[gCurrent_cursor_index + cursor_offset],
		2644	0,
		2645	0,
		2646	gCursors[gCurrent_cursor_index + cursor_offset]->width,
		2647	gCursors[gCurrent_cursor_index + cursor_offset]->height);
		2648	}
		2649	last_call_time = this_call_time;
		2650	button_was_down = button_is_down;
		2651	gMouse_last_x_coord = x_coord;
		2652	gMouse_last_y_coord = y_coord;
		2653	return mouse_moved;
		2654	}
		2655
		2656	// IDA: int __cdecl AllocateCursorTransient()
		2657	int AllocateCursorTransient(void) {
		2658	int i;
		2659	int largest_width;
		2660	int largest_height;
		2661	LOG_TRACE("()");
		2662
		2663	largest_width = 0;
		2664	largest_height = 0;
		2665	for (i = 0; i < COUNT_OF(gCursors); i++) {
		2666	if (largest_width < gCursors[i]->width) {
		2667	largest_width = gCursors[i]->width;
		2668	}
		2669	if (largest_height < gCursors[i]->height) {
		2670	largest_height = gCursors[i]->height;
		2671	}
		2672	}
		2673	return AllocateTransientBitmap(largest_width, largest_height, 0);
		2674	}
		2675
		2676	// IDA: void __cdecl StartMouseCursor()
		2677	void StartMouseCursor(void) {
		2678	int i;
		2679	LOG_TRACE("()");
		2680
		2681	gNext_transient = 0;
		2682	gCursor_transient_index = AllocateCursorTransient();
		2683	GetMousePosition(&gMouse_last_x_coord, &gMouse_last_y_coord);
		2684	gMouse_in_use = 0;
		2685	gCurrent_cursor_index = 2;
		2686	for (i = 0; i < COUNT_OF(gCursor_giblets); i++) {
		2687	gCursor_giblets[i].current_giblet = -1;
		2688	}
		2689	gMouse_started = 1;
		2690	}
		2691
		2692	// IDA: void __cdecl EndMouseCursor()
		2693	void EndMouseCursor(void) {
		2694	LOG_TRACE("()");
		2695
		2696	RemoveTransientBitmaps(1);
		2697	DeallocateAllTransientBitmaps();
		2698	gMouse_started = 0;
		2699	}
		2700
		2701	// IDA: void __usercall LoadFont(int pFont_ID@<EAX>)
		2702	void LoadFont(int pFont_ID) {
		2703	tPath_name the_path;
		2704	int i;
		2705	int number_of_chars;
		2706	FILE* f;
		2707	tU32 the_size;
		2708	LOG_TRACE("(%d)", pFont_ID);
		2709
		2710	if (gFonts[pFont_ID].images != NULL) {
		2711	return;
		2712	}
		2713
		2714	PathCat(the_path, gApplication_path, gGraf_specs[gGraf_spec_index].data_dir_name);
		2715	PathCat(the_path, the_path, "FONTS");
		2716	PathCat(the_path, the_path, gFont_names[pFont_ID]);
		2717	number_of_chars = strlen(the_path);
		2718	strcat(the_path, ".PIX");
		2719	gFonts[pFont_ID].images = DRPixelmapLoad(the_path);
		2720
		2721	if (gFonts[pFont_ID].images == NULL) {
		2722	FatalError(kFatalError_LoadFontImage_S, gFont_names[pFont_ID]);
		2723	}
		2724	if (!gFonts[pFont_ID].file_read_once) {
		2725	strcpy(&the_path[number_of_chars + 1], "TXT");
		2726
		2727	f = DRfopen(the_path, "rt");
		2728	if (f == NULL) {
		2729	FatalError(kFatalError_LoadFontWidthTable_S, gFont_names[pFont_ID]);
		2730	}
		2731
		2732	gFonts[pFont_ID].height = GetAnInt(f);
		2733	gFonts[pFont_ID].width = GetAnInt(f);
		2734	gFonts[pFont_ID].spacing = GetAnInt(f);
		2735	gFonts[pFont_ID].offset = GetAnInt(f);
		2736	gFonts[pFont_ID].num_entries = GetAnInt(f);
		2737	if (gFonts[pFont_ID].width <= 0) {
		2738	for (i = 0; i < gFonts[pFont_ID].num_entries; i++) {
		2739	the_size = GetAnInt(f);
		2740	gFonts[pFont_ID].width_table[i] = the_size;
		2741	}
		2742	}
		2743	fclose(f);
		2744	gFonts[pFont_ID].file_read_once = 1;
		2745	}
		2746	}
		2747
		2748	// IDA: void __usercall DisposeFont(int pFont_ID@<EAX>)
		2749	void DisposeFont(int pFont_ID) {
		2750	LOG_TRACE("(%d)", pFont_ID);
		2751	if (gFonts[pFont_ID].images && (!TranslationMode() \|\| (gAusterity_mode && FlicsPlayedFromDisk()))) {
		2752	BrPixelmapFree(gFonts[pFont_ID].images);
		2753	gFonts[pFont_ID].images = NULL;
		2754	gFonts[pFont_ID].file_read_once = 0;
		2755	}
		2756	}
		2757
		2758	// IDA: void __cdecl InitDRFonts()
		2759	void InitDRFonts(void) {
		2760	int i;
		2761	LOG_TRACE("()");
		2762
		2763	for (i = 0; i < 21; i++) {
		2764	gFonts[i].file_read_once = 0;
		2765	gFonts[i].images = NULL;
		2766	}
		2767	}
		2768
		2769	// IDA: void __usercall DrawDropImage(br_pixelmap *pImage@<EAX>, int pLeft@<EDX>, int pTop@<EBX>, int pTop_clip@<ECX>, int pBottom_clip, int pOffset)
		2770	void DrawDropImage(br_pixelmap* pImage, int pLeft, int pTop, int pTop_clip, int pBottom_clip, int pOffset) {
		2771	int y;
		2772	int src_y;
		2773	int src_height;
		2774	int y_diff;
		2775	LOG_TRACE("(%p, %d, %d, %d, %d, %d)", pImage, pLeft, pTop, pTop_clip, pBottom_clip, pOffset);
		2776
		2777	BrPixelmapRectangleFill(gBack_screen,
		2778	pLeft,
		2779	pTop_clip,
		2780	pImage->width,
		2781	pBottom_clip - pTop_clip,
		2782	0);
		2783	if (pOffset != 1000) {
		2784	src_y = 0;
		2785	src_height = pImage->height;
		2786	y = pOffset + pTop;
		2787	y_diff = pTop_clip - y;
		2788	if (y_diff > 0) {
		2789	src_height -= y_diff;
		2790	y += y_diff;
		2791	src_y = y_diff;
		2792	}
		2793	y_diff = pBottom_clip - y - pImage->height;
		2794	if (y_diff < 0) {
		2795	src_height += y_diff;
		2796	}
		2797	BrPixelmapRectangleCopy(gBack_screen,
		2798	pLeft,
		2799	y,
		2800	pImage,
		2801	0,
		2802	src_y,
		2803	pImage->width,
		2804	src_height);
		2805	PDScreenBufferSwap(0);
		2806	}
		2807	}
		2808
		2809	// IDA: void __usercall DropInImageFromTop(br_pixelmap *pImage@<EAX>, int pLeft@<EDX>, int pTop@<EBX>, int pTop_clip@<ECX>, int pBottom_clip)
		2810	void DropInImageFromTop(br_pixelmap* pImage, int pLeft, int pTop, int pTop_clip, int pBottom_clip) {
		2811	tS32 start_time;
		2812	tS32 the_time;
		2813	int drop_distance;
		2814	LOG_TRACE("(%p, %d, %d, %d, %d)", pImage, pLeft, pTop, pTop_clip, pBottom_clip);
		2815
		2816	start_time = PDGetTotalTime();
		2817	drop_distance = pImage->height - pTop_clip + pTop;
		2818	while (1) {
		2819	the_time = PDGetTotalTime();
		2820	if (the_time >= start_time + 100) {
		2821	break;
		2822	}
		2823	DrawDropImage(pImage,
		2824	pLeft,
		2825	pTop,
		2826	pTop_clip,
		2827	pBottom_clip,
		2828	(the_time - start_time - 100) * drop_distance / 100);
		2829	}
		2830	DrawDropImage(pImage, pLeft, pTop, pTop_clip, pBottom_clip, 0);
		2831	}
		2832
		2833	// IDA: void __usercall DropOutImageThruBottom(br_pixelmap *pImage@<EAX>, int pLeft@<EDX>, int pTop@<EBX>, int pTop_clip@<ECX>, int pBottom_clip)
		2834	void DropOutImageThruBottom(br_pixelmap* pImage, int pLeft, int pTop, int pTop_clip, int pBottom_clip) {
		2835	tS32 start_time;
		2836	tS32 the_time;
		2837	int drop_distance;
		2838	LOG_TRACE("(%p, %d, %d, %d, %d)", pImage, pLeft, pTop, pTop_clip, pBottom_clip);
		2839
		2840	start_time = PDGetTotalTime();
		2841	drop_distance = pBottom_clip - pTop;
		2842	while (1) {
		2843	the_time = PDGetTotalTime();
		2844	if (the_time >= start_time + 100) {
		2845	break;
		2846	}
		2847	DrawDropImage(pImage,
		2848	pLeft,
		2849	pTop,
		2850	pTop_clip,
		2851	pBottom_clip,
		2852	(the_time - start_time) * drop_distance / 100);
		2853	}
		2854	DrawDropImage(pImage, pLeft, pTop, pTop_clip, pBottom_clip, 1000);
		2855	}
		2856
		2857	// IDA: void __usercall DropInImageFromBottom(br_pixelmap *pImage@<EAX>, int pLeft@<EDX>, int pTop@<EBX>, int pTop_clip@<ECX>, int pBottom_clip)
		2858	void DropInImageFromBottom(br_pixelmap* pImage, int pLeft, int pTop, int pTop_clip, int pBottom_clip) {
		2859	tS32 start_time;
		2860	tS32 the_time;
		2861	int drop_distance;
		2862	LOG_TRACE("(%p, %d, %d, %d, %d)", pImage, pLeft, pTop, pTop_clip, pBottom_clip);
		2863
		2864	start_time = PDGetTotalTime();
		2865	drop_distance = pBottom_clip - pTop;
		2866	while (1) {
		2867	the_time = PDGetTotalTime();
		2868	if (the_time >= start_time + 100) {
		2869	break;
		2870	}
		2871	DrawDropImage(pImage,
		2872	pLeft,
		2873	pTop,
		2874	pTop_clip,
		2875	pBottom_clip,
		2876	(100 - the_time + start_time) * drop_distance / 100);
		2877	}
		2878	DrawDropImage(pImage, pLeft, pTop, pTop_clip, pBottom_clip, 0);
		2879	}
		2880
		2881	// IDA: void __usercall DropOutImageThruTop(br_pixelmap *pImage@<EAX>, int pLeft@<EDX>, int pTop@<EBX>, int pTop_clip@<ECX>, int pBottom_clip)
		2882	void DropOutImageThruTop(br_pixelmap* pImage, int pLeft, int pTop, int pTop_clip, int pBottom_clip) {
		2883	tS32 start_time;
		2884	tS32 the_time;
		2885	int drop_distance;
		2886	LOG_TRACE("(%p, %d, %d, %d, %d)", pImage, pLeft, pTop, pTop_clip, pBottom_clip);
		2887
		2888	start_time = PDGetTotalTime();
		2889	drop_distance = pImage->height - pTop_clip + pTop;
		2890	while (1) {
		2891	the_time = PDGetTotalTime();
		2892	if (the_time >= start_time + 100) {
		2893	break;
		2894	}
		2895	DrawDropImage(pImage,
		2896	pLeft,
		2897	pTop,
		2898	pTop_clip,
		2899	pBottom_clip,
		2900	(start_time - the_time) * drop_distance / 100);
		2901	}
		2902	DrawDropImage(pImage, pLeft, pTop, pTop_clip, pBottom_clip, 1000);
		2903	}
		2904
		2905	// IDA: void __usercall DrawTellyLine(br_pixelmap *pImage@<EAX>, int pLeft@<EDX>, int pTop@<EBX>, int pPercentage@<ECX>)
		2906	void DrawTellyLine(br_pixelmap* pImage, int pLeft, int pTop, int pPercentage) {
		2907	int the_width;
		2908	int the_height;
		2909	LOG_TRACE("(%p, %d, %d, %d)", pImage, pLeft, pTop, pPercentage);
		2910
		2911	the_width = pImage->width;
		2912	the_height = pImage->height / 2 + pTop;
		2913	BrPixelmapLine(gBack_screen, pLeft, the_height, pLeft + the_width, the_height, 0);
		2914	BrPixelmapLine(gBack_screen, the_width / 2 + pLeft - pPercentage * the_width / 200, the_height, the_width / 2 + pLeft + pPercentage * the_width / 200, the_height, 1);
		2915	PDScreenBufferSwap(0);
		2916	}
		2917
		2918	// IDA: void __usercall DrawTellyImage(br_pixelmap *pImage@<EAX>, int pLeft@<EDX>, int pTop@<EBX>, int pPercentage@<ECX>)
		2919	void DrawTellyImage(br_pixelmap* pImage, int pLeft, int pTop, int pPercentage) {
		2920	//int the_height; // Pierre-Marie Baty -- unused variable
		2921	LOG_TRACE("(%p, %d, %d, %d)", pImage, pLeft, pTop, pPercentage);
		2922
		2923	BrPixelmapRectangleFill(gBack_screen, pLeft, pTop, pImage->width, pImage->height, 0);
		2924	if (pPercentage != 1000) {
		2925	DRPixelmapRectangleVScaledCopy(
		2926	gBack_screen,
		2927	pLeft,
		2928	pTop + pImage->height * (100 - pPercentage) / 200,
		2929	pImage,
		2930	0,
		2931	0,
		2932	pImage->width,
		2933	pPercentage * pImage->height / 100);
		2934	PDScreenBufferSwap(0);
		2935	}
		2936	}
		2937
		2938	// IDA: void __usercall TellyInImage(br_pixelmap *pImage@<EAX>, int pLeft@<EDX>, int pTop@<EBX>)
		2939	void TellyInImage(br_pixelmap* pImage, int pLeft, int pTop) {
		2940	tS32 start_time;
		2941	tS32 the_time;
		2942	LOG_TRACE("(%p, %d, %d)", pImage, pLeft, pTop);
		2943
		2944	start_time = PDGetTotalTime();
		2945	while (1) {
		2946	the_time = PDGetTotalTime();
		2947	if (start_time + 100 <= the_time) {
		2948	break;
		2949	}
		2950	DrawTellyLine(pImage, pLeft, pTop, 100 * (the_time - start_time) / 100);
		2951	}
		2952	start_time = PDGetTotalTime();
		2953	while (1) {
		2954	the_time = PDGetTotalTime();
		2955	if (start_time + 100 <= the_time) {
		2956	break;
		2957	}
		2958	DrawTellyImage(pImage, pLeft, pTop, 100 * (the_time - start_time) / 100);
		2959	}
		2960	DrawTellyImage(pImage, pLeft, pTop, 100);
		2961	}
		2962
		2963	// IDA: void __usercall TellyOutImage(br_pixelmap *pImage@<EAX>, int pLeft@<EDX>, int pTop@<EBX>)
		2964	void TellyOutImage(br_pixelmap* pImage, int pLeft, int pTop) {
		2965	tS32 start_time;
		2966	tS32 the_time;
		2967	//int drop_distance; // Pierre-Marie Baty -- unused variable
		2968	LOG_TRACE("(%p, %d, %d)", pImage, pLeft, pTop);
		2969
		2970	start_time = PDGetTotalTime();
		2971	while (1) {
		2972	the_time = PDGetTotalTime();
		2973	if (start_time + 100 <= the_time) {
		2974	break;
		2975	}
		2976	DrawTellyImage(pImage, pLeft, pTop, 100 * (start_time + 100 - the_time) / 100);
		2977	}
		2978	DrawTellyImage(pImage, pLeft, pTop, 1000);
		2979
		2980	start_time = PDGetTotalTime();
		2981	while (1) {
		2982	the_time = PDGetTotalTime();
		2983	if (start_time + 100 <= the_time) {
		2984	break;
		2985	}
		2986	DrawTellyLine(pImage, pLeft, pTop, 100 * (start_time + 100 - the_time) / 100);
		2987	}
		2988	DrawTellyLine(pImage, pLeft, pTop, 0);
		2989	}
		2990
		2991	// IDA: void __usercall SetShadowLevel(tShadow_level pLevel@<EAX>)
		2992	void SetShadowLevel(tShadow_level pLevel) {
		2993	LOG_TRACE("(%d)", pLevel);
		2994
		2995	gShadow_level = pLevel;
		2996	}
		2997
		2998	// IDA: tShadow_level __cdecl GetShadowLevel()
		2999	tShadow_level GetShadowLevel(void) {
		3000	LOG_TRACE("()");
		3001
		3002	return gShadow_level;
		3003	}
		3004
		3005	// IDA: void __cdecl ToggleShadow()
		3006	void ToggleShadow(void) {
		3007	LOG_TRACE("()");
		3008
		3009	gShadow_level++;
		3010	if (gShadow_level == eShadow_everyone) {
		3011	gShadow_level = eShadow_none;
		3012	}
		3013	switch (gShadow_level) {
		3014	case eShadow_none:
		3015	NewTextHeadupSlot(4, 0, 2000, -4, GetMiscString(kMiscString_NoShadows));
		3016	break;
		3017	case eShadow_us_only:
		3018	NewTextHeadupSlot(4, 0, 2000, -4, GetMiscString(kMiscString_ShadowUnderOwnCar));
		3019	break;
		3020	case eShadow_us_and_opponents:
		3021	NewTextHeadupSlot(4, 0, 2000, -4, GetMiscString(kMiscString_ShadowUnderMainCars));
		3022	break;
		3023	case eShadow_everyone:
		3024	NewTextHeadupSlot(4, 0, 2000, -4, GetMiscString(kMiscString_ShadowUnderAllCars));
		3025	break;
		3026	default:
		3027	return;
		3028	}
		3029	}
		3030
		3031	// IDA: void __cdecl InitShadow()
		3032	void InitShadow(void) {
		3033	int i;
		3034	//br_vector3 temp_v; // Pierre-Marie Baty -- unused variable
		3035	LOG_TRACE("()");
		3036
		3037	for (i = 0; i < 8; i++) {
		3038	gShadow_clip_planes[i].clip = BrActorAllocate(BR_ACTOR_CLIP_PLANE, NULL);
		3039	BrActorAdd(gUniverse_actor, gShadow_clip_planes[i].clip);
		3040	BrClipPlaneDisable(gShadow_clip_planes[i].clip);
		3041	BrMatrix34Identity(&gShadow_clip_planes[i].clip->t.t.mat);
		3042	}
		3043	gFancy_shadow = 1;
		3044	gShadow_material = BrMaterialFind("SHADOW.MAT");
		3045	BrVector3Set(&gShadow_light_ray, 0.f, -1.f, 0.f);
		3046	BrVector3Set(&gShadow_light_z, -0.f, -0.f, -1.f);
		3047	BrVector3Set(&gShadow_light_x, 1.f, 0.f, 0.f);
		3048
		3049	gShadow_model = BrModelAllocate("", 0, 0);
		3050	gShadow_model->flags = BR_MODF_GENERATE_TAGS \| BR_MODF_KEEP_ORIGINAL;
		3051	gShadow_actor = BrActorAllocate(BR_ACTOR_MODEL, 0);
		3052	gShadow_actor->model = gShadow_model;
		3053	BrActorAdd(gUniverse_actor, gShadow_actor);
		3054	}
		3055
		3056	// IDA: br_uint_32 __cdecl SaveShadeTable(br_pixelmap pTable, void pArg)
		3057	br_uint_32 SaveShadeTable(br_pixelmap* pTable, void* pArg) {
		3058	LOG_TRACE("(%p, %p)", pTable, pArg);
		3059
		3060	if (gSaved_table_count == COUNT_OF(gSaved_shade_tables)) {
		3061	return 1;
		3062	}
		3063	gSaved_shade_tables[gSaved_table_count].original = pTable;
		3064	gSaved_shade_tables[gSaved_table_count].copy = (br_pixelmap*)BrMemAllocate(sizeof(br_pixelmap), kMem_shade_table_copy);
		3065	memcpy(gSaved_shade_tables[gSaved_table_count].copy, pTable, sizeof(br_pixelmap));
		3066	gSaved_table_count++;
		3067	return 0;
		3068	}
		3069
		3070	// IDA: void __cdecl SaveShadeTables()
		3071	void SaveShadeTables(void) {
		3072	LOG_TRACE("()");
		3073
		3074	PossibleService();
		3075	gSaved_table_count = 0;
		3076	BrTableEnum("*", SaveShadeTable, 0);
		3077	}
		3078
		3079	// IDA: void __cdecl DisposeSavedShadeTables()
		3080	void DisposeSavedShadeTables(void) {
		3081	int i;
		3082	LOG_TRACE("()");
		3083
		3084	for (i = 0; i < gSaved_table_count; i++) {
		3085	BrMemFree(gSaved_shade_tables[i].copy);
		3086	}
		3087	}
		3088
		3089	// IDA: void __cdecl ShadowMode()
		3090	void ShadowMode(void) {
		3091	LOG_TRACE("()");
		3092
		3093	gFancy_shadow = !gFancy_shadow;
		3094	if (gFancy_shadow) {
		3095	NewTextHeadupSlot(4, 0, 2000, -4, "Translucent shadow");
		3096	} else {
		3097	NewTextHeadupSlot(4, 0, 2000, -4, "Solid shadow");
		3098	}
		3099	}
		3100
		3101	// IDA: int __cdecl SwitchToRealResolution()
		3102	int SwitchToRealResolution(void) {
		3103	LOG_TRACE("()");
		3104
		3105	if (gGraf_data_index == gReal_graf_data_index) {
		3106	return 0;
		3107	}
		3108	gGraf_data_index = gReal_graf_data_index;
		3109	gGraf_spec_index = gReal_graf_data_index;
		3110	gCurrent_graf_data = &gGraf_data[gReal_graf_data_index];
		3111	PDSwitchToRealResolution();
		3112	return 1;
		3113	}
		3114
		3115	// IDA: int __cdecl SwitchToLoresMode()
		3116	int SwitchToLoresMode(void) {
		3117	LOG_TRACE("()");
		3118	if (!gGraf_data_index \|\| gGraf_data_index != gReal_graf_data_index) {
		3119	return 0;
		3120	}
		3121	gGraf_data_index = 0;
		3122	gGraf_spec_index = 0;
		3123	gCurrent_graf_data = gGraf_data;
		3124	PDSwitchToLoresMode();
		3125	return 1;
		3126	}
		3127
		3128	// IDA: void __usercall DRPixelmapDoubledCopy(br_pixelmap pDestn@<EAX>, br_pixelmap pSource@<EDX>, int pSource_width@<EBX>, int pSource_height@<ECX>, int pX_offset, int pY_offset)
		3129	void DRPixelmapDoubledCopy(br_pixelmap* pDestn, br_pixelmap* pSource, int pSource_width, int pSource_height, int pX_offset, int pY_offset) {
		3130	tU16* sptr;
		3131	tU16 pixels;
		3132	tU8* dptr;
		3133	tU8* dptr2;
		3134	tU8 pixel_1;
		3135	tU8 pixel_2;
		3136	int i;
		3137	int j;
		3138	int dst_row_skip;
		3139	int src_row_skip;
		3140	int width_over_2;
		3141	LOG_TRACE("(%p, %p, %d, %d, %d, %d)", pDestn, pSource, pSource_width, pSource_height, pX_offset, pY_offset);
		3142
		3143	dst_row_skip = 2 * pDestn->row_bytes - 2 * pSource_width;
		3144	src_row_skip = (pSource->row_bytes - pSource_width) / 2;
		3145	sptr = (tU16)((tU8)pSource->pixels - 2 * src_row_skip + 2 * (pSource->row_bytes * pSource_height / 2));
		3146	dptr = (tU8)pDestn->pixels + 2 pSource_width + (2 * pSource_height + pY_offset) * pDestn->row_bytes - pDestn->row_bytes;
		3147	dptr2 = dptr - pDestn->row_bytes;
		3148	width_over_2 = pSource_width / 2;
		3149	for (i = 0; i < pSource_height; i++) {
		3150	for (j = 0; j < width_over_2; j++) {
		3151	--sptr;
		3152	pixels = *sptr;
		3153	pixel_1 = pixels >> 8;
		3154	pixel_2 = pixels >> 0;
		3155	dptr[-1] = pixel_1;
		3156	dptr2[-1] = pixel_1;
		3157	dptr[-2] = pixel_1;
		3158	dptr2[-2] = pixel_1;
		3159	dptr[-3] = pixel_2;
		3160	dptr2[-3] = pixel_2;
		3161	dptr[-4] = pixel_2;
		3162	dptr2[-4] = pixel_2;
		3163	dptr -= 4;
		3164	dptr2 -= 4;
		3165	}
		3166	dptr -= dst_row_skip;
		3167	dptr2 -= dst_row_skip;
		3168	sptr -= src_row_skip;
		3169	}
		3170	}

Subversion Repositories Games.Carmageddon

Games.Carmageddon/src/DETHRACE/common/graphics.c – Rev 11