REDRIVER2/src_rebuild/GAME/C/REPLAYS.C

#include "DRIVER2.H"
#include "REPLAYS.H"
#include "MAP.H"
#include "SPOOL.H"
#include "SYSTEM.H"
#include "CUTSCENE.H"
#include "PLAYERS.H"
#include "GLAUNCH.H"
#include "MISSION.H"
#include "DIRECTOR.H"
#include "CAMERA.H"
#include "CIV_AI.H"

#include "STRINGS.H"
#include "RAND.H"

char AnalogueUnpack[16] = { 
	0, -51, -63, -75, -87, -99, -111, -123,
	0,  51,  63,  75,  87,  99,  111,  123
};

int gOutOfTape = 0;

REPLAY_PARAMETER_BLOCK *ReplayParameterPtr = NULL;

REPLAY_STREAM ReplayStreams[8];
int NumReplayStreams = 1;

char *ReplayStart;
char *replayptr = NULL;
int ReplaySize = 0;

unsigned long PingBufferPos = 0;
PING_PACKET *PingBuffer = NULL;

SXYPAIR *PlayerWayRecordPtr = NULL;
PLAYBACKCAMERA *PlaybackCamera = NULL;

int TimeToWay = 0;
short PlayerWaypoints = 0;
int way_distance = 0;
int gUseStoredPings = 1;

#define MISSIOH_IDENT (('D' << 24) | ('2' << 16) | ('R' << 8) | 'P' )

// decompiled code
// original method signature: 
// void /*$ra*/ InitPadRecording()
 // line 498, offset 0x0001a09c
	/* begin block 1 */
		// Start line: 500
		// Start offset: 0x0001A09C
		// Variables:
	// 		int i; // $s0
	// 		int remain; // $s0
	/* end block 1 */
	// End offset: 0x0001A234
	// End Line: 650

	/* begin block 2 */
		// Start line: 996
	/* end block 2 */
	// End Line: 997

	/* begin block 3 */
		// Start line: 997
	/* end block 3 */
	// End Line: 998

	/* begin block 4 */
		// Start line: 1001
	/* end block 4 */
	// End Line: 1002

/* WARNING: Unknown calling convention yet parameter storage is locked */

// [D] [T]
void InitPadRecording(void)
{
	char *bufferEnd;

	int remain;
	int i;

	gOutOfTape = 0;

	if (gLoadedReplay == 0 && 
		CurrentGameMode != GAMEMODE_REPLAY &&
		CurrentGameMode != GAMEMODE_DIRECTOR)
	{
		NumReplayStreams = 0;

		ReplayStart = _replay_buffer;
		ReplayParameterPtr = (REPLAY_PARAMETER_BLOCK *)ReplayStart;

		PlayerWayRecordPtr = (SXYPAIR *)(ReplayParameterPtr + 1);

		PlaybackCamera = (PLAYBACKCAMERA *)(PlayerWayRecordPtr + MAX_REPLAY_WAYPOINTS);

		PingBuffer = (PING_PACKET *)(PlaybackCamera + MAX_REPLAY_CAMERAS);
		setMem8((u_char*)PingBuffer, -1, sizeof(PING_PACKET) * MAX_REPLAY_PINGS);

		replayptr = (char*)(PingBuffer + MAX_REPLAY_PINGS);

		// FIXME: is that correct?
		bufferEnd = replayptr-13380;
		remain = (uint)ReplayStart - (uint)bufferEnd - CalcInGameCutsceneSize();

		for (i = 0; i < NumPlayers; i++)
		{
			AllocateReplayStream(&ReplayStreams[i], remain / sizeof(PADRECORD) / NumPlayers);
			NumReplayStreams++;
		}

		ReplaySize = (replayptr - ReplayStart);
	}
	else
	{
		for (i = 0; i < NumReplayStreams; i++)
		{
			ReplayStreams[i].playbackrun = 0;
			ReplayStreams[i].PadRecordBuffer = ReplayStreams[i].InitialPadRecordBuffer;
		}
	}

	TimeToWay = 150;
	PlayerWaypoints = 0;
	way_distance = 100;

	InitDirectorVariables();
	InitInGameCutsceneVariables();
}



// decompiled code
// original method signature: 
// int /*$ra*/ SaveReplayToBuffer(char *buffer /*$s0*/)
 // line 657, offset 0x0001a234
	/* begin block 1 */
		// Start line: 658
		// Start offset: 0x0001A234
		// Variables:
	// 		REPLAY_SAVE_HEADER *header; // $s2
	// 		int i; // $a2
	// 		int size; // $s1
	// 		int numstreams; // $s6
	/* end block 1 */
	// End offset: 0x0001A798
	// End Line: 733

	/* begin block 2 */
		// Start line: 1340
	/* end block 2 */
	// End Line: 1341

	/* begin block 3 */
		// Start line: 1348
	/* end block 3 */
	// End Line: 1349

// [D] [T]
int SaveReplayToBuffer(char *buffer)
{
	REPLAY_STREAM_HEADER *sheader;
	REPLAY_SAVE_HEADER *header;

	if (buffer == NULL)
		return 0x3644;

	char* pt = buffer;
	header = (REPLAY_SAVE_HEADER*)pt;
	pt += sizeof(REPLAY_SAVE_HEADER);

	header->magic = 0x14793209;			// TODO: custom
	header->GameLevel = GameLevel;
	header->GameType = GameType;
	header->NumReplayStreams = NumReplayStreams;
	header->MissionNumber = gCurrentMissionNumber;
	
	header->NumPlayers = NumPlayers;
	header->CutsceneEvent = -1;
	header->RandomChase = gRandomChase;
	
	header->gCopDifficultyLevel = gCopDifficultyLevel;
	header->ActiveCheats = ActiveCheats;

	header->wantedCar[0] = wantedCar[0];
	header->wantedCar[1] = wantedCar[1];

	memcpy(&header->SavedData, &MissionEndData, sizeof(MISSION_DATA));

	// write each stream data
#ifdef CUTSCENE_RECORDER
	extern int gCutsceneAsReplay;
	int numStreams = gCutsceneAsReplay ? NumReplayStreams : NumPlayers;

	for (int i = 0; i < numStreams; i++)
#else
	for (int i = 0; i < NumPlayers; i++)
#endif
	{
		sheader = (REPLAY_STREAM_HEADER *)pt;
		pt += sizeof(REPLAY_STREAM_HEADER);

		REPLAY_STREAM* srcStream = &ReplayStreams[i];

		// copy source type
		memcpy(&sheader->SourceType, &srcStream->SourceType, sizeof(STREAM_SOURCE));
		sheader->Size = srcStream->padCount * sizeof(PADRECORD); // srcStream->PadRecordBufferEnd - srcStream->InitialPadRecordBuffer;
		sheader->Length = srcStream->length;

		int size = (sheader->Size + sizeof(PADRECORD)) & -4;

		// copy pad data to write buffer
		memcpy(pt, srcStream->InitialPadRecordBuffer, size);

		pt += size;
	}

#ifdef CUTSCENE_RECORDER
	if (gCutsceneAsReplay == 0)
#endif
	{
		memcpy(pt, ReplayParameterPtr, sizeof(REPLAY_PARAMETER_BLOCK));
		pt += sizeof(REPLAY_PARAMETER_BLOCK);
	}

#ifdef CUTSCENE_RECORDER
	if (gCutsceneAsReplay == 0)
#endif
	{
		memcpy(pt, PlayerWayRecordPtr, sizeof(SXYPAIR) * MAX_REPLAY_WAYPOINTS);
		pt += sizeof(SXYPAIR) * MAX_REPLAY_WAYPOINTS;
	}

	memcpy(pt, PlaybackCamera, sizeof(PLAYBACKCAMERA) * MAX_REPLAY_CAMERAS);
	pt += sizeof(PLAYBACKCAMERA) * MAX_REPLAY_CAMERAS;

	memcpy(pt, PingBuffer, sizeof(PING_PACKET) * MAX_REPLAY_PINGS);
	pt += sizeof(PING_PACKET) * MAX_REPLAY_PINGS;

	// [A] is that ever valid?
	if (gHaveStoredData)
	{
		header->HaveStoredData = 0x91827364;	// -0x6e7d8c9c
		memcpy(pt, &MissionStartData, sizeof(MISSION_DATA));
	}

#ifdef PSX
	return 0x3644;		// size?
#else
	return pt - buffer;
#endif
}



// decompiled code
// original method signature: 
// int /*$ra*/ LoadReplayFromBuffer(char *buffer /*$s1*/)
 // line 740, offset 0x0001a798
	/* begin block 1 */
		// Start line: 742
		// Start offset: 0x0001A798
		// Variables:
	// 		REPLAY_SAVE_HEADER *header; // $s3
	// 		REPLAY_STREAM_HEADER *sheader; // $t0
	// 		int i; // $a1
	// 		int size; // $s0
	/* end block 1 */
	// End offset: 0x0001AD50
	// End Line: 813

	/* begin block 2 */
		// Start line: 1574
	/* end block 2 */
	// End Line: 1575

	/* begin block 3 */
		// Start line: 1582
	/* end block 3 */
	// End Line: 1583

	/* begin block 4 */
		// Start line: 1583
	/* end block 4 */
	// End Line: 1584

	/* begin block 5 */
		// Start line: 1587
	/* end block 5 */
	// End Line: 1588

#ifdef CUTSCENE_RECORDER
#include "../utils/ini.h"

int gCutsceneAsReplay = 0;
int gCutsceneAsReplay_PlayerId = 0;
int gCutsceneAsReplay_PlayerChanged = 0;
int gCutsceneAsReplay_ReserveSlots = 2;
char gCutsceneRecorderPauseText[64] = { 0 };
char gCurrentChasePauseText[64] = { 0 };

void NextChase(int dir)
{
	if(dir > 0)
		gChaseNumber++;
	else if(dir < 0)
		gChaseNumber--;

	if (gChaseNumber < 0)
		gChaseNumber = 0;

	if (gChaseNumber > 15)
		gChaseNumber = 15;
	
	sprintf(gCurrentChasePauseText, "Chase ID: %d", gChaseNumber);
}

void NextCutsceneRecorderPlayer(int dir)
{
	int old_player = gCutsceneAsReplay_PlayerId;

	if(dir > 0)
		gCutsceneAsReplay_PlayerId++;
	else if(dir < 0)
		gCutsceneAsReplay_PlayerId--;

	if (gCutsceneAsReplay_PlayerId >= NumReplayStreams)
		gCutsceneAsReplay_PlayerId -= NumReplayStreams;
	else if (gCutsceneAsReplay_PlayerId < 0)
		gCutsceneAsReplay_PlayerId += NumReplayStreams;

	if (old_player != gCutsceneAsReplay_PlayerId)
		gCutsceneAsReplay_PlayerChanged = 1;

	sprintf(gCutsceneRecorderPauseText, "CUTSCENE PLAYER ID: %d", gCutsceneAsReplay_PlayerId);
}

int LoadCutsceneAsReplay(int subindex)
{
	int offset;
	int size;

	if (gCutsceneAsReplay_PlayerId > 0)
		gCutsceneAsReplay_PlayerChanged = 1;

	NextCutsceneRecorderPlayer(0);

	CUTSCENE_HEADER header;
	char filename[64];

	if (gCutsceneAsReplay < 21)
		sprintf(filename, "REPLAYS\\CUT%d.R", gCutsceneAsReplay);
	else
		sprintf(filename, "REPLAYS\\A\\CUT%d.R", gCutsceneAsReplay);

	if (FileExists(filename))
	{
		LoadfileSeg(filename, (char *)&header, 0, sizeof(CUTSCENE_HEADER));

		if (header.data[subindex].offset != 0xffff)
		{
			offset = header.data[subindex].offset * 4;
			size = header.data[subindex].size;

			printWarning("cutscene size: %d\n", size);
			
			LoadfileSeg(filename, _other_buffer, offset, size);

			int result = LoadReplayFromBuffer(_other_buffer);

			return result;
		}
	}

	printError("Invalid cutscene subindex or mission!\n");

	return 0;
}

void LoadCutsceneRecorder(char* configFilename)
{
	ini_t* config;
	int loadExistingCutscene;
	int subindex;

	config = ini_load(configFilename);

	if(!config)
	{
		printError("Unable to open '%s'!\n", configFilename);
		return;
	}

	//const char* stream = ini_get(config, "fs", "dataFolder");

	loadExistingCutscene = 0;
	ini_sget(config, "settings", "loadExistingCutscene", "%d", &loadExistingCutscene);
	ini_sget(config, "settings", "mission", "%d", &gCutsceneAsReplay);
	ini_sget(config, "settings", "baseMission", "%d", &gCurrentMissionNumber);
	ini_sget(config, "settings", "player", "%d", &gCutsceneAsReplay_PlayerId);
	ini_sget(config, "settings", "reserveSlots", "%d", &gCutsceneAsReplay_ReserveSlots);
	ini_sget(config, "settings", "subindex", "%d", &subindex);

	// totally limited by streams
	if(gCutsceneAsReplay_ReserveSlots > 8)
		gCutsceneAsReplay_ReserveSlots = 8;
	
	if(loadExistingCutscene)
	{
		if(!LoadCutsceneAsReplay(subindex))
		{
			ini_free(config);
		
			gLoadedReplay = 0;
			gCutsceneAsReplay = 0;
			return;
		}

		gLoadedReplay = 1;
		CurrentGameMode = GAMEMODE_REPLAY;
	}
	else
	{
		int i;
		char curStreamName[40];
		STREAM_SOURCE* stream;

		InitPadRecording();

		ini_sget(config, "settings", "streams", "%d", &NumReplayStreams);
		
		// initialize all streams
		for(i = 0; i < NumReplayStreams; i++)
		{
			stream = &ReplayStreams[i].SourceType;
			sprintf(curStreamName, "stream%d", i);

			stream->position.vy = 0;
			
			ini_sget(config, curStreamName, "type", "%hhd", &stream->type);
			ini_sget(config, curStreamName, "model", "%hhd", &stream->model);
			ini_sget(config, curStreamName, "palette", "%hhd", &stream->palette);
			ini_sget(config, curStreamName, "controlType", "%hhd", &stream->controlType);
			ini_sget(config, curStreamName, "startRot", "%d", &stream->rotation);
			ini_sget(config, curStreamName, "startPosX", "%d", &stream->position.vx);
			ini_sget(config, curStreamName, "startPosY", "%d", &stream->position.vy);
			ini_sget(config, curStreamName, "startPosZ", "%d", &stream->position.vz);
		}		
	}

	GameType = GAME_TAKEADRIVE;
	CameraCnt = 0;
	ini_free(config);

	LaunchGame();

	gLoadedReplay = 0;
	gCutsceneAsReplay = 0;
}

#endif // CUTSCENE_RECORDER

// [D] [T]
int LoadReplayFromBuffer(char *buffer)
{
	REPLAY_SAVE_HEADER *header;
	REPLAY_STREAM_HEADER *sheader;

	char* pt = buffer;

	header = (REPLAY_SAVE_HEADER*)pt;

	if (header->magic != 0x14793209)
		return 0;

	ReplayStart = replayptr = _replay_buffer;

	GameLevel = header->GameLevel;
	GameType = (GAMETYPE)header->GameType;

#ifdef CUTSCENE_RECORDER
	if(gCutsceneAsReplay == 0)
#endif
		gCurrentMissionNumber = header->MissionNumber;

	NumReplayStreams = header->NumReplayStreams;
	NumPlayers = header->NumPlayers;
	gRandomChase = header->RandomChase;
	CutsceneEventTrigger = header->CutsceneEvent;
	gCopDifficultyLevel = header->gCopDifficultyLevel;
	ActiveCheats = header->ActiveCheats; // TODO: restore old value

	wantedCar[0] = header->wantedCar[0];
	wantedCar[1] = header->wantedCar[1];

	memcpy(&MissionEndData, &header->SavedData, sizeof(MISSION_DATA));

	pt = (char*)(header+1);

	int maxLength = 0;
	for (int i = 0; i < NumReplayStreams; i++)
	{
		sheader = (REPLAY_STREAM_HEADER *)pt;
		pt += sizeof(REPLAY_STREAM_HEADER);

		REPLAY_STREAM* destStream = &ReplayStreams[i];
		
		// copy source type
		memcpy(&destStream->SourceType, &sheader->SourceType, sizeof(STREAM_SOURCE));

		int size = (sheader->Size + sizeof(PADRECORD)) & -4;
		
		// init buffers
#ifdef CUTSCENE_RECORDER
		if (gCutsceneAsReplay)
		{
			AllocateReplayStream(destStream, 4000);
			
			// copy pad data and advance buffer
			memcpy(destStream->PadRecordBuffer, pt, size);
		}
		else
#endif
		{
			destStream->InitialPadRecordBuffer = (PADRECORD*)replayptr;
			destStream->PadRecordBuffer = (PADRECORD*)replayptr;
			destStream->PadRecordBufferEnd = (PADRECORD*)(replayptr + size);
			destStream->playbackrun = 0;
			destStream->padCount = sheader->Size / sizeof(PADRECORD);

			// copy pad data and advance buffer
			memcpy(replayptr, pt, size);
			replayptr += size;
		}

		pt += size;

		destStream->length = sheader->Length;

		if (sheader->Length > maxLength)
			maxLength = sheader->Length;
	}

	ReplayParameterPtr = (REPLAY_PARAMETER_BLOCK *)replayptr;
#ifdef CUTSCENE_RECORDER
	if (gCutsceneAsReplay != 0)
	{
		memset(ReplayParameterPtr, 0, sizeof(REPLAY_PARAMETER_BLOCK));
		ReplayParameterPtr->RecordingEnd = maxLength;
	}
	else
#endif
	{
		memcpy(ReplayParameterPtr, pt, sizeof(REPLAY_PARAMETER_BLOCK));
		pt += sizeof(REPLAY_PARAMETER_BLOCK);
	}


	PlayerWayRecordPtr = (SXYPAIR *)(ReplayParameterPtr + 1);
#ifdef CUTSCENE_RECORDER
	if (gCutsceneAsReplay != 0)
	{
		memset(PlayerWayRecordPtr, 0, sizeof(SXYPAIR) * MAX_REPLAY_WAYPOINTS);
	}
	else
#endif
	{
		memcpy(PlayerWayRecordPtr, pt, sizeof(SXYPAIR) * MAX_REPLAY_WAYPOINTS);
		pt += sizeof(SXYPAIR) * MAX_REPLAY_WAYPOINTS;
	}
		

	PlaybackCamera = (PLAYBACKCAMERA *)(PlayerWayRecordPtr + MAX_REPLAY_WAYPOINTS);
	memcpy(PlaybackCamera, pt, sizeof(PLAYBACKCAMERA) * MAX_REPLAY_CAMERAS);
	pt += sizeof(PLAYBACKCAMERA) * MAX_REPLAY_CAMERAS;

	PingBufferPos = 0;
	PingBuffer = (PING_PACKET *)(PlaybackCamera + MAX_REPLAY_CAMERAS);
	memcpy(PingBuffer, pt, sizeof(PING_PACKET) * MAX_REPLAY_PINGS);
	pt += sizeof(PING_PACKET) * MAX_REPLAY_PINGS;

	replayptr = (char*)(PingBuffer + MAX_REPLAY_PINGS);

	if (header->HaveStoredData == 0x91827364)	// -0x6e7d8c9c
	{
		memcpy(&MissionStartData, pt, sizeof(MISSION_DATA));
		gHaveStoredData = 1;
	}

	return 1;
}

#ifndef PSX
int LoadUserAttractReplay(int mission, int userId)
{
	char customFilename[64];
	
	if (userId >= 0 && userId < gNumUserChases)
	{
		sprintf(customFilename, "REPLAYS\\User\\%s\\ATTRACT.%d", gUserReplayFolderList[userId], mission);

		if (FileExists(customFilename))
		{
			if (Loadfile(customFilename, _other_buffer))
				return LoadReplayFromBuffer(_other_buffer);
		}
	}

	return 0;
}
#endif

// decompiled code
// original method signature: 
// int /*$ra*/ LoadAttractReplay(int mission /*$a2*/)
 // line 1059, offset 0x0001b118
	/* begin block 1 */
		// Start line: 1060
		// Start offset: 0x0001B118
		// Variables:
	// 		char filename[32]; // stack offset -40
	/* end block 1 */
	// End offset: 0x0001B17C
	// End Line: 1071

	/* begin block 2 */
		// Start line: 2231
	/* end block 2 */
	// End Line: 2232

	/* begin block 3 */
		// Start line: 2118
	/* end block 3 */
	// End Line: 2119

// [D] [T]
int LoadAttractReplay(int mission)
{
	char filename[32];

#ifndef PSX
	int userId = -1;
	
	// [A] REDRIVER2 PC - custom attract replays
	if (gNumUserChases)
	{
		userId = rand() % (gNumUserChases + 1);

		if (userId == gNumUserChases)
			userId = -1;
	}

	if (LoadUserAttractReplay(mission, userId))
	{
		printInfo("Loaded custom attract replay (%d) by %s\n", mission, gUserReplayFolderList[userId]);
		return 1;
	}
#endif

	sprintf(filename, "REPLAYS\\ATTRACT.%d", mission);

	if (!FileExists(filename))
		return 0;

	if (!Loadfile(filename, _other_buffer))
		return 0;

	return LoadReplayFromBuffer(_other_buffer);
}



// decompiled code
// original method signature: 
// char /*$ra*/ GetPingInfo(char *cookieCount /*$a2*/)
 // line 1182, offset 0x0001b090
	/* begin block 1 */
		// Start line: 1183
		// Start offset: 0x0001B090
		// Variables:
	// 		_PING_PACKET *pp; // $a1
	// 		char retCarId; // $v0
	/* end block 1 */
	// End offset: 0x0001B118
	// End Line: 1206

	/* begin block 2 */
		// Start line: 2864
	/* end block 2 */
	// End Line: 2865

	/* begin block 3 */
		// Start line: 2364
	/* end block 3 */
	// End Line: 2365

// [D] [T]
char GetPingInfo(char *cookieCount)
{
	char retCarId;
	PING_PACKET *pp;

	retCarId = -1;

	pp = PingBuffer + PingBufferPos;

	if (PingBuffer != NULL && PingBufferPos < MAX_REPLAY_PINGS)
	{
		if (pp->frame != 0xffff) 
		{
			if ((CameraCnt - frameStart & 0xffffU) < pp->frame) 
				return -1;

			retCarId = pp->carId;
			*cookieCount = pp->cookieCount;

			PingBufferPos++;
		}
		else
		{
			printInfo("-1 frame!\n");
		}

		return retCarId;
	}

	return -1;
}

// [A] Stores ping info into replay buffer
int StorePingInfo(int cookieCount, int carId)
{
	PING_PACKET* packet;

#ifdef CUTSCENE_RECORDER

	extern int gCutsceneAsReplay;
	if (gCutsceneAsReplay == 0)
		return 0;
	
	if (CurrentGameMode == GAMEMODE_REPLAY || gInGameChaseActive != 0)
		return 0;
	
	if(PingBuffer != NULL && PingBufferPos < MAX_REPLAY_PINGS)
	{
		packet = &PingBuffer[PingBufferPos++];
		packet->frame = (CameraCnt - frameStart & 0xffffU);
		packet->carId = carId;
		
		packet->cookieCount = cookieCount;

		return 1;
	}
#endif
	return 0;
}

// [A] returns 1 if can use ping buffer
int IsPingInfoAvailable()
{
	// [A] loaded replays pings temporarily disabled...
	
	if (gUseStoredPings == 0 || gInGameChaseActive == 0)// && gLoadedReplay == 0)
		return 0;
	
	return PingBuffer != NULL && PingBufferPos < MAX_REPLAY_PINGS;
}

// decompiled code
// original method signature: 
// int /*$ra*/ valid_region(int x /*$a0*/, int z /*$a1*/)
 // line 1222, offset 0x0001af34
	/* begin block 1 */
		// Start line: 1224
		// Start offset: 0x0001AF34
		// Variables:
	// 		XYPAIR region_coords; // stack offset -8
	// 		int region; // $a0
	/* end block 1 */
	// End offset: 0x0001AFFC
	// End Line: 1269

	/* begin block 2 */
		// Start line: 2441
	/* end block 2 */
	// End Line: 2442

	/* begin block 3 */
		// Start line: 2828
	/* end block 3 */
	// End Line: 2829

	/* begin block 4 */
		// Start line: 2829
	/* end block 4 */
	// End Line: 2830

	/* begin block 5 */
		// Start line: 2832
	/* end block 5 */
	// End Line: 2833

// [D] [T]
int valid_region(int x, int z)
{
	XYPAIR region_coords;

	int region;

	region_coords.x = (x >> 16) + regions_across / 2;
	region_coords.y = (z >> 16) + regions_down / 2;

	if (region_coords.x >= 0 && region_coords.x <= regions_across && 
		region_coords.y >= 0 && region_coords.y <= regions_down) 
	{
		region = region_coords.x + region_coords.y * regions_across;

		if (region != regions_unpacked[0])
		{
			if (region == regions_unpacked[1])
				return region + 1;

			if (region == regions_unpacked[2])
				return region + 1;

			if (region != regions_unpacked[3])
				return 0;
		}

		return region + 1;
	}

	return 0;
}



// decompiled code
// original method signature: 
// int /*$ra*/ cjpPlay(int stream /*$a0*/, unsigned long *ppad /*$s2*/, char *psteer /*$s0*/, char *ptype /*$s1*/)
 // line 1271, offset 0x0001affc
	/* begin block 1 */
		// Start line: 1272
		// Start offset: 0x0001AFFC
		// Variables:
	// 		int ret; // $a0
	// 		unsigned long t0; // stack offset -24
	// 		int t1; // $v1
	/* end block 1 */
	// End offset: 0x0001B090
	// End Line: 1291

	/* begin block 2 */
		// Start line: 2928
	/* end block 2 */
	// End Line: 2929

	/* begin block 3 */
		// Start line: 2931
	/* end block 3 */
	// End Line: 2932

// [D] [T]
int cjpPlay(int stream, ulong *ppad, char *psteer, char *ptype)
{
	int ret;
	int t1;
	ulong t0;

#ifdef CUTSCENE_RECORDER
	if (stream < 0)
		stream = -stream;
#endif

	ret = Get(stream, &t0);

	t1 = (t0 >> 8) & 0xF;

	*ppad = t0 & 0xF0FC;

	if (t1 == 0) 
	{
		*psteer = 0;
		*ptype = 0;
	}
	else 
	{
		*psteer = AnalogueUnpack[t1];
		*ptype = 4;
	}

	return ret;
}



// decompiled code
// original method signature: 
// void /*$ra*/ cjpRecord(int stream /*$s1*/, unsigned long *ppad /*$s4*/, char *psteer /*$s2*/, char *ptype /*$s3*/)
 // line 1310, offset 0x0001ad50
	/* begin block 1 */
		// Start line: 1311
		// Start offset: 0x0001AD50
		// Variables:
	// 		unsigned long t0; // stack offset -32
	// 		int t1; // $s0
	/* end block 1 */
	// End offset: 0x0001AF14
	// End Line: 1370

	/* begin block 2 */
		// Start line: 2348
	/* end block 2 */
	// End Line: 2349

	/* begin block 3 */
		// Start line: 2846
	/* end block 3 */
	// End Line: 2847

char ReplayMode = 0;

// [D] [T]
void cjpRecord(int stream, ulong *ppad, char *psteer, char *ptype)
{
	int tmp;
	int t1;
	ulong t0;

	if (stream > -1 && stream < NumReplayStreams) 
	{
		RecordWaypoint();

		if ((*ptype & 4U) == 0) 
		{
			t1 = 0;
		}
		else 
		{
			if (*psteer < -45) 
			{
				tmp = -45 - *psteer >> 0x1f;	// [A] still need to figure out this
				t1 = (((-45 - *psteer) / 6 + tmp >> 1) - tmp) + 1;
			}
			else if (*psteer < 46)
			{
				t1 = 8;
			}
			else
			{
				tmp = *psteer - 45 >> 0x1f;	// [A] still need to figure out this
				t1 = (((*psteer - 45) / 6 + tmp >> 1) - tmp) + 9;
			}
		}

		t0 = (t1 & 0xF) << 8 | *ppad & 0xF0FC;

		if (Put(stream, &t0) == 0)
		{
			gOutOfTape = 1;
		}
		else if(NoPlayerControl == 0)
		{
			ClearCameras = 1;

			if (ReplayMode != 3 && ReplayMode != 8)
			{
				ReplayStreams[stream].length = CameraCnt;
				ReplayParameterPtr->RecordingEnd = CameraCnt;
			}
		}

		t1 = (t0 >> 8) & 0xF;

		if (t1 == 0) 
		{
			*psteer = 0;
			*ptype = 0;
		}
		else 
		{
			*psteer = AnalogueUnpack[t1];
			*ptype = 4;
		}

		*ppad = t0 & 0xF0FC;
	}
}



// decompiled code
// original method signature: 
// void /*$ra*/ AllocateReplayStream(REPLAY_STREAM *stream /*$a0*/, int maxpad /*$a1*/)
 // line 1383, offset 0x0001b17c
	/* begin block 1 */
		// Start line: 3101
	/* end block 1 */
	// End Line: 3102

	/* begin block 2 */
		// Start line: 3414
	/* end block 2 */
	// End Line: 3415

	/* begin block 3 */
		// Start line: 3415
	/* end block 3 */
	// End Line: 3416

	/* begin block 4 */
		// Start line: 3417
	/* end block 4 */
	// End Line: 3418

// [D] [T]
void AllocateReplayStream(REPLAY_STREAM *stream, int maxpad)
{
	stream->playbackrun = 0;
	stream->length = 0;
	stream->padCount = 0;

	stream->InitialPadRecordBuffer = (PADRECORD*)replayptr;
	stream->PadRecordBuffer = (PADRECORD*)replayptr;

	stream->PadRecordBufferEnd = (PADRECORD *)(replayptr + maxpad * sizeof(PADRECORD));

	if (NoPlayerControl == 0)
	{
		*replayptr = 0;

		stream->InitialPadRecordBuffer->analogue = 0;
		stream->InitialPadRecordBuffer->run = 0xEE;
	}

	replayptr = (char *)(((uint)replayptr + (maxpad+1) * sizeof(PADRECORD)) & -4);
}



// decompiled code
// original method signature: 
// int /*$ra*/ Get(int stream /*$a0*/, unsigned long *pt0 /*$a1*/)
 // line 1402, offset 0x0001b1f0
	/* begin block 1 */
		// Start line: 1403
		// Start offset: 0x0001B1F0
		// Variables:
	// 		REPLAY_STREAM *rstream; // $a2
	// 		unsigned long t0; // $a0
	/* end block 1 */
	// End offset: 0x0001B280
	// End Line: 1438

	/* begin block 2 */
		// Start line: 3459
	/* end block 2 */
	// End Line: 3460

	/* begin block 3 */
		// Start line: 3466
	/* end block 3 */
	// End Line: 3467

// [D] [T]
int Get(int stream, ulong *pt0)
{
	REPLAY_STREAM* rstream;

	if (stream < NumReplayStreams)
	{
		rstream = &ReplayStreams[stream];

		if (rstream->PadRecordBuffer+1 <= rstream->PadRecordBufferEnd)
		{
			ulong t0 = (rstream->PadRecordBuffer->pad << 8) | rstream->PadRecordBuffer->analogue;
			*pt0 = t0;

			if (rstream->playbackrun < rstream->PadRecordBuffer->run)
			{
				rstream->playbackrun++;
			}
			else 
			{
				rstream->PadRecordBuffer++;
				rstream->playbackrun = 0;
			}

			return 1;
		}
	}

	*pt0 = 0x10;

	return 0;
}



// decompiled code
// original method signature: 
// int /*$ra*/ Put(int stream /*$a0*/, unsigned long *pt0 /*$a1*/)
 // line 1440, offset 0x0001b280
	/* begin block 1 */
		// Start line: 1442
		// Start offset: 0x0001B280
		// Variables:
	// 		REPLAY_STREAM *rstream; // $a0
	// 		unsigned char **pstream; // $a3
	// 		unsigned long t0; // $a1
	/* end block 1 */
	// End offset: 0x0001B364
	// End Line: 1477

	/* begin block 2 */
		// Start line: 3534
	/* end block 2 */
	// End Line: 3535

	/* begin block 3 */
		// Start line: 3537
	/* end block 3 */
	// End Line: 3538

	/* begin block 4 */
		// Start line: 3538
	/* end block 4 */
	// End Line: 3539

	/* begin block 5 */
		// Start line: 3544
	/* end block 5 */
	// End Line: 3545

// [D] [T]
int Put(int stream, ulong *pt0)
{
	REPLAY_STREAM *rstream;
	ulong t0;
	PADRECORD *padbuf;

	rstream = &ReplayStreams[stream];

	if (rstream->PadRecordBuffer+1 >= rstream->PadRecordBufferEnd)
		return 0;

	padbuf = rstream->PadRecordBuffer;
	t0 = *pt0;

	if (CameraCnt != 0 && padbuf->run != 0xEE)
	{
		if (padbuf->pad == ((t0 >> 8) & 0xff) &&
			padbuf->analogue == (t0 & 0xff) && 
			padbuf->run != 0x8F)
		{
			padbuf->run++;
			return 1;
		}

		padbuf++;

		padbuf->pad = (t0 >> 8) & 0xFF;
		padbuf->analogue = t0 & 0xFF;
		padbuf->run = 0;

		rstream->PadRecordBuffer = padbuf;
		rstream->padCount++;
		
		return 1;
	}

	padbuf->pad = (t0 >> 8) & 0xFF;
	padbuf->analogue = t0 & 0xFF;
	padbuf->run = 0;

	return 1;
}



// decompiled code
// original method signature: 
// void /*$ra*/ RecordWaypoint()
 // line 1479, offset 0x0001b364
	/* begin block 1 */
		// Start line: 3613
	/* end block 1 */
	// End Line: 3614

	/* begin block 2 */
		// Start line: 3616
	/* end block 2 */
	// End Line: 3617

	/* begin block 3 */
		// Start line: 3617
	/* end block 3 */
	// End Line: 3618

/* WARNING: Unknown calling convention yet parameter storage is locked */

// [D] [T]
void RecordWaypoint(void)
{
	if (TimeToWay > 0)
	{
		TimeToWay--;
		return;
	}

	if (PlayerWaypoints < MAX_REPLAY_WAYPOINTS)
	{
		TimeToWay = way_distance;

		PlayerWayRecordPtr->x = (player[0].pos[0] >> 10);
		PlayerWayRecordPtr->y = (player[0].pos[2] >> 10);

		PlayerWayRecordPtr++;
		PlayerWaypoints++;
	}
}