Import Cai1Hsu/re3 @ miami (reVC / GTA:VC decompilation)HEADmiami

Snapshot import (no upstream history) into git.ancap.in.ua/claude, per @lzcnt.
Source: https://github.com/Cai1Hsu/re3 branch miami.

1 files changed, 487 insertions, 0 deletions

diff --git a/src/rw/TexRead.cpp b/src/rw/TexRead.cpp
new file mode 100644
index 0000000..1f96180
--- /dev/null
+++ b/src/rw/TexRead.cpp
@@ -0,0 +1,487 @@
+#pragma warning( push )
+#pragma warning( disable : 4005)
+#pragma warning( pop )
+#define FORCE_PC_SCALING
+#ifndef LIBRW
+#define WITHD3D
+#endif
+#include "common.h"
+#ifdef ANISOTROPIC_FILTERING
+#include "rpanisot.h"
+#endif
+#include "crossplatform.h"
+#include "platform.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"
+#include "Frontend.h"
+#endif //GTA_PC
+
+float texLoadTime;
+int32 texNumLoaded;
+
+#ifdef LIBRW
+#define READNATIVE(stream, tex, size) rwNativeTextureHackRead(stream, tex, size)
+#else
+#define READNATIVE(stream, tex, size) RWSRCGLOBAL(stdFunc[rwSTANDARDNATIVETEXTUREREAD](stream, tex, size))
+#endif
+
+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(!READNATIVE(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++;
+	}
+
+#ifdef ANISOTROPIC_FILTERING
+	if(tex && RpAnisotGetMaxSupportedMaxAnisotropy() > 1)	// BUG? this was RpAnisotTextureGetMaxAnisotropy, but that doesn't make much sense
+		RpAnisotTextureSetMaxAnisotropy(tex, RpAnisotGetMaxSupportedMaxAnisotropy());
+#endif
+
+	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;
+	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 = STREAMPOS(stream);
+
+	return texDict;
+}
+
+RwTexDictionary*
+RwTexDictionaryGtaStreamRead2(RwStream *stream, RwTexDictionary *texDict)
+{
+	RwTexture *tex;
+
+	RwStreamSkip(stream, streamPosition - STREAMPOS(stream));
+
+	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 LIBRW
+
+#define CAPSVERSION 0
+
+struct GPUcaps
+{
+	uint32 version;	// so we can force regeneration easily
+	uint32 platform;
+	uint32 subplatform;
+	uint32 dxtSupport;
+};
+
+static void
+GetGPUcaps(GPUcaps *caps)
+{
+	caps->version = CAPSVERSION;
+	caps->platform = rw::platform;
+	caps->subplatform = 0;
+	caps->dxtSupport = 0;
+	// TODO: more later
+#ifdef RW_GL3
+	caps->subplatform = rw::gl3::gl3Caps.gles;
+	caps->dxtSupport = rw::gl3::gl3Caps.dxtSupported;
+#endif
+#ifdef RW_D3D9
+	caps->dxtSupport = 1;	// TODO, probably
+#endif
+}
+
+void
+ReadVideoCardCapsFile(GPUcaps *caps)
+{
+	memset(caps, 0, sizeof(GPUcaps));
+
+	int32 file = CFileMgr::OpenFile("DATA\\CAPS.DAT", "rb");
+	if (file != 0) {
+		CFileMgr::Read(file, (char*)&caps->version, 4);
+		CFileMgr::Read(file, (char*)&caps->platform, 4);
+		CFileMgr::Read(file, (char*)&caps->subplatform, 4);
+		CFileMgr::Read(file, (char*)&caps->dxtSupport, 4);
+		CFileMgr::CloseFile(file);
+	}
+}
+
+bool
+CheckVideoCardCaps(void)
+{
+	GPUcaps caps, fcaps;
+	GetGPUcaps(&caps);
+	ReadVideoCardCapsFile(&fcaps);
+	return caps.version != fcaps.version ||
+		caps.platform != fcaps.platform ||
+		caps.subplatform != fcaps.subplatform ||
+		caps.dxtSupport != fcaps.dxtSupport;
+}
+
+void
+WriteVideoCardCapsFile(void)
+{
+	GPUcaps caps;
+	GetGPUcaps(&caps);
+	int32 file = CFileMgr::OpenFile("DATA\\CAPS.DAT", "wb");
+	if (file != 0) {
+		CFileMgr::Write(file, (char*)&caps.version, 4);
+		CFileMgr::Write(file, (char*)&caps.platform, 4);
+		CFileMgr::Write(file, (char*)&caps.subplatform, 4);
+		CFileMgr::Write(file, (char*)&caps.dxtSupport, 4);
+		CFileMgr::CloseFile(file);
+	}
+}
+
+
+#else
+extern "C" RwInt32 _rwD3D8FindCorrectRasterFormat(RwRasterType type, RwInt32 flags);
+extern "C" RwBool   _rwD3D8CheckValidTextureFormat(RwInt32 format);
+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);
+	}
+}
+#endif
+
+bool
+CanVideoCardDoDXT(void)
+{
+#ifdef LIBRW
+	// TODO
+#ifdef RW_OPENGL
+	return false;
+#else
+	return true;
+#endif
+#else
+	return _rwD3D8CheckValidTextureFormat(D3DFMT_DXT1) && _rwD3D8CheckValidTextureFormat(D3DFMT_DXT3);
+#endif
+}
+
+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));
+#ifdef FIX_BUGS
+	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, 150, 225, 255));
+#else
+	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));
+#endif
+	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::SetCentreOff();
+	CFont::SetWrapx(SCREEN_SCALE_FROM_RIGHT(170.0f));
+	CFont::SetJustifyOff();
+#ifdef FIX_BUGS
+	CFont::SetColor(CRGBA(255, 150, 225, 255));
+#else
+	CFont::SetColor(CRGBA(255, 217, 106, 255));
+#endif
+	CFont::SetBackGroundOnlyTextOff();
+	CFont::SetFontStyle(FONT_STANDARD);
+	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;
+}
+
+#ifdef LIBRW
+#define STREAMTELL(str)	str->tell()
+#else
+#define STREAMTELL(str) filesys->rwftell((str)->Type.file.fpFile)
+#endif
+
+bool
+CreateTxdImageForVideoCard()
+{
+	uint8 *buf = new uint8[CDSTREAM_SECTOR_SIZE];
+	CDirectory *pDir = new CDirectory(TXDSTORESIZE);
+	CDirectory::DirectoryInfo dirInfo;
+
+	CStreaming::FlushRequestList();
+
+#ifndef LIBRW
+	RwFileFunctions *filesys = RwOsGetFileInterface();
+#endif
+
+	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;
+	}
+
+#ifdef RW_GL3
+	// so we can read back DXT with GLES
+	// only works for textures that are not yet loaded
+	// so let's hope that is the case for all
+	rw::gl3::needToReadBackTextures = true;
+#endif
+	
+#ifdef DISABLE_VSYNC_ON_TEXTURE_CONVERSION
+	// let's disable vsync and frame limiter to speed up texture conversion
+	// (actually we probably don't need to disable frame limiter in here, but let's do it just in case =P)
+	int8 vsyncState = FrontEndMenuManager.m_PrefsVsync;
+	int8 frameLimiterState = FrontEndMenuManager.m_PrefsFrameLimiter;
+	FrontEndMenuManager.m_PrefsVsync = 0;
+	FrontEndMenuManager.m_PrefsFrameLimiter = 0;
+#endif
+
+	int32 i;
+	for (i = 0; i < TXDSTORESIZE; i++) {
+		ConvertingTexturesScreen(i, TXDSTORESIZE, "CVT_MSG");
+
+		if (CTxdStore::GetSlot(i) != nil && CStreaming::IsObjectInCdImage(i + STREAM_OFFSET_TXD)) {
+#ifdef FIX_BUGS
+			if(strcmp(CTxdStore::GetTxdName(i), "generic") == 0)
+				continue;
+#endif
+
+			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 = STREAMTELL(img);
+
+				if (RwTexDictionaryStreamWrite(CTxdStore::GetSlot(i)->texDict, img) == nil) {
+					DealWithTxdWriteError(i, TXDSTORESIZE, "CVT_ERR");
+					RwStreamClose(img, nil);
+					delete []buf;
+					delete pDir;
+					CStreaming::RemoveTxd(i);
+#ifdef RW_GL3
+					rw::gl3::needToReadBackTextures = false;
+#endif
+					return false;
+				}
+
+				int32 size = STREAMTELL(img) - 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();
+		}
+	}
+
+#ifdef DISABLE_VSYNC_ON_TEXTURE_CONVERSION
+	// restore vsync and frame limiter states
+	FrontEndMenuManager.m_PrefsVsync = vsyncState;
+	FrontEndMenuManager.m_PrefsFrameLimiter = frameLimiterState;
+#endif
+
+	RwStreamClose(img, nil);
+	delete []buf;
+
+#ifdef RW_GL3
+	rw::gl3::needToReadBackTextures = false;
+#endif
+
+	if (!pDir->WriteDirFile("models\\txd.dir")) {
+		DealWithTxdWriteError(i, TXDSTORESIZE, "CVT_ERR");
+		delete pDir;
+		return false;
+	}
+
+	delete pDir;
+
+	WriteVideoCardCapsFile();
+	return true;
+}
+#endif // GTA_PC