path: root/src/rw/TexRead.cpp

#pragma warning( push )
#pragma warning( disable : 4005)
#define DIRECTINPUT_VERSION 0x0800
#include <dinput.h>
#pragma warning( pop )
#define WITHWINDOWS
#include "common.h"
#include "win.h"
#include "patcher.h"
#include "Timer.h"
#ifdef GTA_PC
#include "FileMgr.h"
#include "Pad.h"
#include "main.h"
#include "Directory.h"
#include "Streaming.h"
#include "TxdStore.h"
#include "CdStream.h"
#include "Font.h"
#include "Sprite2d.h"
#include "Text.h"
#include "RwHelper.h"
#endif //GTA_PC

float &texLoadTime = *(float*)0x8F1B50;
int32 &texNumLoaded = *(int32*)0x8F252C;

RwTexture*
RwTextureGtaStreamRead(RwStream *stream)
{
	RwUInt32 size, version;
	RwTexture *tex;

	if(!RwStreamFindChunk(stream, rwID_TEXTURENATIVE, &size, &version))
		return nil;

	float preloadTime = (float)CTimer::GetCurrentTimeInCycles() / (float)CTimer::GetCyclesPerMillisecond();

	if(!RWSRCGLOBAL(stdFunc[rwSTANDARDNATIVETEXTUREREAD](stream, &tex, size)))
		return nil;

	if (gGameState == GS_INIT_PLAYING_GAME) {
		texLoadTime = (texNumLoaded * texLoadTime + (float)CTimer::GetCurrentTimeInCycles() / (float)CTimer::GetCyclesPerMillisecond() - preloadTime) / (float)(texNumLoaded+1);
		texNumLoaded++;
	}
	return tex;
}

RwTexture*
destroyTexture(RwTexture *texture, void *data)
{
	RwTextureDestroy(texture);
	return texture;
}

RwTexDictionary*
RwTexDictionaryGtaStreamRead(RwStream *stream)
{
	RwUInt32 size, version;
	RwInt32 numTextures;
	RwTexDictionary *texDict;
	RwTexture *tex;

	if(!RwStreamFindChunk(stream, rwID_STRUCT, &size, &version))
		return nil;
	assert(size == 4);
	if(RwStreamRead(stream, &numTextures, size) != size)
		return nil;

	texDict = RwTexDictionaryCreate();
	if(texDict == nil)
		return nil;

	while(numTextures--){
		tex = RwTextureGtaStreamRead(stream);
		if(tex == nil){
			RwTexDictionaryForAllTextures(texDict, destroyTexture, nil);
			RwTexDictionaryDestroy(texDict);
			return nil;
		}
		RwTexDictionaryAddTexture(texDict, tex);
	}

	return texDict;
}

static int32 numberTextures = -1;
static int32 streamPosition;

RwTexDictionary*
RwTexDictionaryGtaStreamRead1(RwStream *stream)
{
	RwUInt32 size, version;
	RwInt32 numTextures;
	RwTexDictionary *texDict;
	RwTexture *tex;

	numberTextures = 0;
	if(!RwStreamFindChunk(stream, rwID_STRUCT, &size, &version))
		return nil;
	assert(size == 4);
	if(RwStreamRead(stream, &numTextures, size) != size)
		return nil;

	texDict = RwTexDictionaryCreate();
	if(texDict == nil)
		return nil;

	numberTextures = numTextures/2;

	while(numTextures > numberTextures){
		numTextures--;

		tex = RwTextureGtaStreamRead(stream);
		if(tex == nil){
			RwTexDictionaryForAllTextures(texDict, destroyTexture, nil);
			RwTexDictionaryDestroy(texDict);
			return nil;
		}
		RwTexDictionaryAddTexture(texDict, tex);
	}

	numberTextures = numTextures;
	streamPosition = stream->Type.memory.position;

	return texDict;
}

RwTexDictionary*
RwTexDictionaryGtaStreamRead2(RwStream *stream, RwTexDictionary *texDict)
{
	RwTexture *tex;

	RwStreamSkip(stream, streamPosition - stream->Type.memory.position);

	while(numberTextures--){
		tex = RwTextureGtaStreamRead(stream);
		if(tex == nil){
			RwTexDictionaryForAllTextures(texDict, destroyTexture, nil);
			RwTexDictionaryDestroy(texDict);
			return nil;
		}
		RwTexDictionaryAddTexture(texDict, tex);
	}

	return texDict;
}

#ifdef GTA_PC
#ifdef RWLIBS
extern "C" RwInt32 _rwD3D8FindCorrectRasterFormat(RwRasterType type, RwInt32 flags);
#else
WRAPPER RwInt32 _rwD3D8FindCorrectRasterFormat(RwRasterType type, RwInt32 flags) { EAXJMP(0x59A350); }
#endif

void
ReadVideoCardCapsFile(uint32 &cap32, uint32 &cap24, uint32 &cap16, uint32 &cap8)
{
	cap32 = UINT32_MAX;
	cap24 = UINT32_MAX;
	cap16 = UINT32_MAX;
	cap8 = UINT32_MAX;

	int32 file = CFileMgr::OpenFile("DATA\\CAPS.DAT", "rb");
	if (file != 0) {
		CFileMgr::Read(file, (char*)&cap32, 4);
		CFileMgr::Read(file, (char*)&cap24, 4);
		CFileMgr::Read(file, (char*)&cap16, 4);
		CFileMgr::Read(file, (char*)&cap8, 4);
		CFileMgr::CloseFile(file);
	}
}

bool
CheckVideoCardCaps(void)
{
	uint32 cap32 = _rwD3D8FindCorrectRasterFormat(rwRASTERTYPETEXTURE, rwRASTERFORMAT8888);
	uint32 cap24 = _rwD3D8FindCorrectRasterFormat(rwRASTERTYPETEXTURE, rwRASTERFORMAT888);
	uint32 cap16 = _rwD3D8FindCorrectRasterFormat(rwRASTERTYPETEXTURE, rwRASTERFORMAT1555);
	uint32 cap8 = _rwD3D8FindCorrectRasterFormat(rwRASTERTYPETEXTURE, rwRASTERFORMATPAL8 | rwRASTERFORMAT8888);
	uint32 fcap32, fcap24, fcap16, fcap8;
	ReadVideoCardCapsFile(fcap32, fcap24, fcap16, fcap8);
	return cap32 != fcap32 || cap24 != fcap24 || cap16 != fcap16 || cap8 != fcap8;
}

void
WriteVideoCardCapsFile(void)
{
	uint32 cap32 = _rwD3D8FindCorrectRasterFormat(rwRASTERTYPETEXTURE, rwRASTERFORMAT8888);
	uint32 cap24 = _rwD3D8FindCorrectRasterFormat(rwRASTERTYPETEXTURE, rwRASTERFORMAT888);
	uint32 cap16 = _rwD3D8FindCorrectRasterFormat(rwRASTERTYPETEXTURE, rwRASTERFORMAT1555);
	uint32 cap8 = _rwD3D8FindCorrectRasterFormat(rwRASTERTYPETEXTURE, rwRASTERFORMATPAL8 | rwRASTERFORMAT8888);
	int32 file = CFileMgr::OpenFile("DATA\\CAPS.DAT", "wb");
	if (file != 0) {
		CFileMgr::Write(file, (char*)&cap32, 4);
		CFileMgr::Write(file, (char*)&cap24, 4);
		CFileMgr::Write(file, (char*)&cap16, 4);
		CFileMgr::Write(file, (char*)&cap8, 4);
		CFileMgr::CloseFile(file);
	}
}

bool DoRWStuffStartOfFrame(int16 TopRed, int16 TopGreen, int16 TopBlue, int16 BottomRed, int16 BottomGreen, int16 BottomBlue, int16 Alpha);
void DoRWStuffEndOfFrame(void);

void
ConvertingTexturesScreen(uint32 num, uint32 count, const char *text)
{
	HandleExit();

	CSprite2d *splash = LoadSplash(nil);
	if (!DoRWStuffStartOfFrame(0, 0, 0, 0, 0, 0, 255))
		return;

	CSprite2d::SetRecipNearClip();
	CSprite2d::InitPerFrame();
	CFont::InitPerFrame();
	DefinedState();

	RwRenderStateSet(rwRENDERSTATETEXTUREADDRESS, (void*)rwTEXTUREADDRESSCLAMP);
	splash->Draw(CRect(0.0f, 0.0f, SCREEN_WIDTH, SCREEN_HEIGHT), CRGBA(255, 255, 255, 255));

	CSprite2d::DrawRect(CRect(SCREEN_SCALE_X(200.0f), SCREEN_SCALE_Y(240.0f), SCREEN_SCALE_FROM_RIGHT(200.0f), SCREEN_SCALE_Y(248.0f)), CRGBA(64, 64, 64, 255));
	CSprite2d::DrawRect(CRect(SCREEN_SCALE_X(200.0f), SCREEN_SCALE_Y(240.0f), (SCREEN_SCALE_FROM_RIGHT(200.0f) - SCREEN_SCALE_X(200.0f)) * ((float)num / (float)count) + SCREEN_SCALE_X(200.0f), SCREEN_SCALE_Y(248.0f)), CRGBA(255, 217, 106, 255));
	CSprite2d::DrawRect(CRect(SCREEN_SCALE_X(120.0f), SCREEN_SCALE_Y(150.0f), SCREEN_SCALE_FROM_RIGHT(120.0f), SCREEN_HEIGHT - SCREEN_SCALE_Y(220.0f)), CRGBA(50, 50, 50, 210));

	CFont::SetBackgroundOff();
	CFont::SetPropOn();
	CFont::SetScale(SCREEN_SCALE_X(0.45f), SCREEN_SCALE_Y(0.7f));
	CFont::SetWrapx(SCREEN_SCALE_FROM_RIGHT(170.0f));
	CFont::SetJustifyOff();
	CFont::SetColor(CRGBA(255, 217, 106, 255));
	CFont::SetBackGroundOnlyTextOff();
	CFont::SetFontStyle(FONT_BANK);
	CFont::PrintString(SCREEN_SCALE_X(170.0f), SCREEN_SCALE_Y(160.0f), TheText.Get(text));
	CFont::DrawFonts();
	DoRWStuffEndOfFrame();
}

void
DealWithTxdWriteError(uint32 num, uint32 count, const char *text)
{
	while (!RsGlobal.quit) {
		ConvertingTexturesScreen(num, count, text);
		CPad::UpdatePads();
		if (CPad::GetPad(0)->GetEscapeJustDown())
			break;
	}
	RsGlobal.quit = false;
	LoadingScreen(nil, nil, nil);
	RsGlobal.quit = true;
}

bool
CreateTxdImageForVideoCard()
{
	uint8 *buf = new uint8[CDSTREAM_SECTOR_SIZE];
	CDirectory *pDir = new CDirectory(TXDSTORESIZE);
	CDirectory::DirectoryInfo dirInfo;

	CStreaming::FlushRequestList();

	RwFileFunctions *filesys = RwOsGetFileInterface();

	RwStream *img = RwStreamOpen(rwSTREAMFILENAME, rwSTREAMWRITE, "models\\txd.img");
	if (img == nil) {
		// original code does otherwise and it leaks
		delete []buf;
		delete pDir;

		if (_dwOperatingSystemVersion == OS_WINNT || _dwOperatingSystemVersion == OS_WIN2000 || _dwOperatingSystemVersion == OS_WINXP)
			DealWithTxdWriteError(0, TXDSTORESIZE, "CVT_CRT");

		return false;
	}

	int32 i;
	for (i = 0; i < TXDSTORESIZE; i++) {
		ConvertingTexturesScreen(i, TXDSTORESIZE, "CVT_MSG");

		if (CTxdStore::GetSlot(i) != nil && CStreaming::IsObjectInCdImage(i + STREAM_OFFSET_TXD)) {
			CStreaming::RequestTxd(i, STREAMFLAGS_KEEP_IN_MEMORY);
			CStreaming::RequestModelStream(0);
			CStreaming::FlushChannels();

			char filename[64];
			sprintf(filename, "%s.txd", CTxdStore::GetTxdName(i));

			if (CTxdStore::GetSlot(i)->texDict) {
				int32 pos = filesys->rwftell(img->Type.file.fpFile);

				if (RwTexDictionaryStreamWrite(CTxdStore::GetSlot(i)->texDict, img) == nil) {
					DealWithTxdWriteError(i, TXDSTORESIZE, "CVT_ERR");
					RwStreamClose(img, nil);
					delete []buf;
					delete pDir;
					CStreaming::RemoveTxd(i);
					return false;
				}

				int32 size = filesys->rwftell(img->Type.file.fpFile) - pos;
				int32 num = size % CDSTREAM_SECTOR_SIZE;

				size /= CDSTREAM_SECTOR_SIZE;
				if (num != 0) {
					size++;
					num = CDSTREAM_SECTOR_SIZE - num;
					RwStreamWrite(img, buf, num);
				}

				dirInfo.offset = pos / CDSTREAM_SECTOR_SIZE;
				dirInfo.size = size;
				strncpy(dirInfo.name, filename, sizeof(dirInfo.name));
				pDir->AddItem(dirInfo);
				CStreaming::RemoveTxd(i);
			}
			CStreaming::FlushRequestList();
		}
	}

	RwStreamClose(img, nil);
	delete []buf;

	if (!pDir->WriteDirFile("models\\txd.dir")) {
		DealWithTxdWriteError(i, TXDSTORESIZE, "CVT_ERR");
		delete pDir;
		return false;
	}

	delete pDir;

	WriteVideoCardCapsFile();
	return true;
}
#endif // GTA_PC

STARTPATCHES
	InjectHook(0x592380, RwTextureGtaStreamRead, PATCH_JUMP);
	InjectHook(0x5924A0, RwTexDictionaryGtaStreamRead, PATCH_JUMP);
	InjectHook(0x592550, RwTexDictionaryGtaStreamRead1, PATCH_JUMP);
	InjectHook(0x592650, RwTexDictionaryGtaStreamRead2, PATCH_JUMP);

	InjectHook(0x5926C0, ReadVideoCardCapsFile, PATCH_JUMP);
	InjectHook(0x592740, CheckVideoCardCaps, PATCH_JUMP);
	InjectHook(0x5927D0, WriteVideoCardCapsFile, PATCH_JUMP);
	InjectHook(0x592880, ConvertingTexturesScreen, PATCH_JUMP);
	InjectHook(0x592BF0, DealWithTxdWriteError, PATCH_JUMP);
	InjectHook(0x592C70, CreateTxdImageForVideoCard, PATCH_JUMP);
ENDPATCHES