Preserve low res textures

Any texture less than 64x64 keep original size.  Improves building LOD texture quality, and doesn't blow VRAM budget

dreamcast/Makefile

@@ -79,9 +79,6 @@ OBJS_TEXCONV += \
 	../vendor/librw/src/d3d-x/d3d.texconv.o \
 	../vendor/librw/src/d3d-x/d3d8.texconv.o \
 	../vendor/librw/src/d3d-x/d3d8render.texconv.o \
-	../vendor/librw/src/bmp.texconv.o \
-	../vendor/librw/src/png.texconv.o \
-	../vendor/librw/src/lodepng/lodepng.texconv.o	
 
 # Add compilation units to this list to explicity compile them with
 # -O3 optimizations, while the rest get the default (-Os) treatment
@@ -319,22 +316,6 @@ TXD_OPTS_NEWS = 512 512
 TXD_OPTS_SPLASH1 = 512 512
 TXD_OPTS_SPLASH2 = 512 512
 TXD_OPTS_SPLASH3 = 512 512
-TXD_OPTS_frontend = 512 512 \
-	--delete-tex "fe_arrows4" \
-	--delete-tex "fe_arrows2" \
-	--delete-tex "fe_arrows1" \
-	--delete-tex "fe_controllersh" \
-	--delete-tex "fe_controller" \
-	\
-	--include-tex assets/dc_ps2d.png dc_ps2d \
-	--include-tex assets/dc_ps2f.png dc_ps2f \
-	--include-tex assets/dc_xboxd.png dc_xboxd \
-	--include-tex assets/dc_xboxf.png dc_xboxf \
-	--include-tex assets/ps4_d.png ps4_d \
-	--include-tex assets/ps4_f.png ps4_f \
-	--include-tex assets/xbox_d.png xbox_d \
-	--include-tex assets/xbox_f.png xbox_f
-
 DEFAULT_RES = 512
 
 PVR_ENCODER ?= PVRTEX

dreamcast/texconv.cpp

@@ -3,7 +3,6 @@
 #include <cstring>
 
 #include <set>
-#include <vector>
 
 #include <iostream>
 using namespace std;
@@ -239,40 +238,6 @@ PluginAttach(void)
 
 const char* currentFile;
 
-namespace rw {
-	Image* readBMP(const char *filename);
-	Image* readPNG(const char *filename);
-}
-
-void InsertImage(RwTexDictionary* texDict, const char* file, const char* texName) {
-	RwTexture *tex;
-	RwRaster *raster;
-	RwInt32 width, height, depth, format;
-	RwImage *image = rw::readBMP(file);
-	if (!image) {
-		image = rw::readPNG(file);
-	}
-
-	assert(image);
-
-	RwImageFindRasterFormat(image, rwRASTERTYPETEXTURE, &width, &height, &depth, &format);
-	raster = RwRasterCreate(width, height, depth, format);
-	RwRasterSetFromImage(raster, image);
-
-	tex = RwTextureCreate(raster);
-	RwTextureSetName(tex, texName);
-
-	RwTextureSetFilterMode(tex, rwFILTERLINEAR);
-
-	RwTexDictionaryAddTexture(texDict, tex);
-
-	RwImageDestroy(image);
-}
-
-std::vector<std::pair<const char*, const char*>> ImagesToAdd;
-std::vector<const char*> ImagesToRemove;
-bool listTextures = false;
-
 int main(int argc, const char** argv) {
 	if (argc >= 5) {
 	    int width = atoi(argv[3]);
@@ -282,7 +247,7 @@ int main(int argc, const char** argv) {
         if(height >= 16 && height <= 1024)
 		    rw::dc::maxRasterHeight = height;
 	}
-    for (int i = 5; i < argc; i++) {
+    for (int i = 0; i < argc; i++) {
         if (argv[i] != nullptr) {
             // Downsample Parameter
             if (strcmp(argv[i], "-d") == 0 || strcmp(argv[i], "-D") == 0) {
@@ -306,22 +271,6 @@ int main(int argc, const char** argv) {
                     }
                 }
             }
-
-			if (strcmp(argv[i], "--include-tex") == 0) {
-				assert(i + 2 < argc);
-				ImagesToAdd.emplace_back(argv[i+1], argv[i+2]);
-				i += 2;
-			}
-
-			if (strcmp(argv[i], "--delete-tex") == 0) {
-				assert(i + 1 < argc);
-				ImagesToRemove.emplace_back(argv[i+1]);
-				i += 1;
-			}
-
-			if (strcmp(argv[i], "--list-tex") == 0) {
-				listTextures = true;
-			}
         }
     }
 
@@ -349,31 +298,6 @@ int main(int argc, const char** argv) {
 
 		RwStreamClose(stream, nil);
 
-		if (listTextures) {
-			fprintf(stdout, "Incoming textures:\n");
-			FORLIST(lnk, texDict->textures) {
-				auto tex = rw::Texture::fromDict(lnk);
-				fprintf(stdout, "texture: '%s'\n", tex->name);
-			}
-		}
-
-		for (auto&& removedTextureName: ImagesToRemove) {
-			auto removedTexture = texDict->find(removedTextureName);
-			assert(removedTexture);
-			texDict->remove(removedTexture);
-		}
-		for (auto&& extraTexture: ImagesToAdd) {
-			InsertImage(texDict, extraTexture.first, extraTexture.second);
-		}
-
-		if (listTextures) {
-			fprintf(stdout, "Processing textures:\n");
-			FORLIST(lnk, texDict->textures) {
-				auto tex = rw::Texture::fromDict(lnk);
-				fprintf(stdout, "texture: '%s'\n", tex->name);
-			}
-		}
-
 		auto streamOut = RwStreamOpen(rwSTREAMFILENAME, rwSTREAMWRITE, argv[2]);
 		assert(streamOut && "failed to open output");
 

src/animation/AnimBlendNode.cpp

@@ -140,7 +140,7 @@ CAnimBlendNode::GetCurrentTranslation(CVector &trans, float weight)
 	float blend = association->GetBlendAmount(weight);
 	if(blend > 0.0f){
 		auto kfAdt = sequence->GetDeltaTime(frameA);
-		float t = kfAdt == 0.0f ? 0.0f : (kfAdt - remainingTime)/kfAdt;
+		float t = (kfAdt - remainingTime)/kfAdt;
 		if(sequence->type & CAnimBlendSequence::KF_TRANS){
 			auto kfAt = sequence->GetTranslation(frameA);
 			auto kfBt = sequence->GetTranslation(frameB);

src/audio/AudioLogic.cpp

@@ -3789,10 +3789,6 @@ cAudioManager::ProcessPedOneShots(cPedParams &params)
 						if (iSound > 60)
 							iSound = 21;
 					}
-					// In some cases the left and right channels have different loop points
-					// This looks like a data file issue where the left and right channels have different loop points
-					// This is a hot fix to always have the correct loop point for each channel individually
-					SET_LOOP_OFFSETS(m_sQueueSample.m_nSampleIndex)
 					AddSampleToRequestedQueue();
 				}
 			}

src/audio/sampman.h

@@ -174,10 +174,6 @@ public:
 	
 	void UpdateEffectsVolume(void);
 
-#ifdef DC_SH4
-	void UpdateChannelVolume(uint32 nChannel);
-#endif
-
 	void SetEffectsMasterVolume(uint8 nVolume);
 	void SetMusicMasterVolume  (uint8 nVolume);
 	void SetEffectsFadeVolume  (uint8 nVolume);

src/audio/sampman_dc.cpp

@@ -151,6 +151,7 @@ void aica_snd_sfx_freq_vol(int chn, int freq, int vol) {
 
 cSampleManager SampleManager;
 bool8 _bSampmanInitialised = FALSE;
+bool _dcAudioInitialized = false;
 
 uint32 BankStartOffset[MAX_SFX_BANKS];
 char SampleBankDescFilename[] = "sfx/sfx_all.dsc";
@@ -461,7 +462,7 @@ cSampleManager::Initialise(void)
 
 	assert(fdPedSfx >= 0);
 
-	_bSampmanInitialised = true;
+	_dcAudioInitialized = true;
 	return TRUE;
 }
 
@@ -484,14 +485,7 @@ char cSampleManager::GetCDAudioDriveLetter(void)
 void
 cSampleManager::UpdateEffectsVolume(void)
 {
-	if(_bSampmanInitialised) {
-		std::lock_guard<std::mutex> lk(channel_mtx);
-		for (int i = 0; i < MAXCHANNELS+MAX2DCHANNELS; i++) {
-			if (channels[i].ch != -1) {
-				UpdateChannelVolume(i);
-			}
-		}
-	}
+	// TODO
 }
 
 
@@ -857,10 +851,9 @@ cSampleManager::InitialiseChannel(uint32 nChannel, uint32 nSfx, uint8 nBank)
 	return TRUE;
 }
 
-void cSampleManager::UpdateChannelVolume(uint32 nChannel) {
+void updateVol(uint32 nChannel) {
 
 	auto newVol = channels[nChannel].emittingVol * channels[nChannel].attenuationVol / 255;
-	newVol = m_nEffectsFadeVolume * newVol * m_nEffectsVolume >> 14;
 	// newVol = 255;
 	// printf("updateVol(nChannel: %d) vol: %d, newVol: %d\n", nChannel, channels[nChannel].vol, newVol);
 	if (channels[nChannel].vol != newVol) {
@@ -883,7 +876,7 @@ cSampleManager::SetChannelVolume(uint32 nChannel, uint32 nVolume)
 	channels[nChannel].emittingVol = linearlize_volume(nVolume);// nVolume * 255 / MAX_VOLUME;
 	channels[nChannel].attenuationVol = 255;
 
-	UpdateChannelVolume(nChannel);
+	updateVol(nChannel);
 	verbosef("SetChannelVolume(nChannel: %d) vol: %d\n", nChannel, nVolume);
 }
 
@@ -1139,8 +1132,7 @@ cSampleManager::StartStreamedFile(uint8 nFile, uint32 nPos, uint8 nStream)
 	debugf("StartStreamedFile(%d, %d, %d)\n", nFile, nPos, nStream);
 	uint32_t seek_aligned = 0;
 	if (nPos) {
-		uint64_t seek_bytes = (uint64_t)nPos * streams[nStream].rate / (streams[nStream].stereo ? 1000: 2000);
-		assert(seek_bytes <= INT32_MAX);
+		uint32 seek_bytes = nPos * streams[nStream].rate / (streams[nStream].stereo ? 1000: 2000);
 		seek_aligned = seek_bytes & ~(streams[nStream].stereo ? (STREAM_STAGING_READ_SIZE_STEREO-1) : (STREAM_STAGING_READ_SIZE_MONO-1));
 	}
 	PreloadStreamedFile(nFile, nStream, seek_aligned);
@@ -1172,9 +1164,7 @@ cSampleManager::GetStreamedFilePosition(uint8 nStream)
 	ASSERT( nStream < MAX_STREAMS );
 	int32 rv = 0;
 
-	int64_t rv64 = (int64_t)streams[nStream].played_samples * 1000 / streams[nStream].rate;
-	assert(rv64 <= INT32_MAX);
-	rv = (int32)rv64;
+	return streams[nStream].played_samples * 1000 / streams[nStream].rate;
 	// if(streams[nStream].fd >= 0) {
 	// 	rv = fs_tell(streams[nStream].fd);
 	// }
@@ -1189,7 +1179,6 @@ cSampleManager::SetStreamedVolumeAndPan(uint8 nVolume, uint8 nPan, uint8 nEffect
 	if (nVolume > MAX_VOLUME)
 		nVolume = MAX_VOLUME;
 	nVolume = linearlize_volume(nVolume); //nVolume * 255 / MAX_VOLUME;
-	nVolume = m_nMusicFadeVolume * nVolume * m_nMusicVolume >> 14;
 	if (streams[nStream].vol != nVolume || streams[nStream].nPan != nPan) {
 		streams[nStream].vol = nVolume;
 		streams[nStream].nPan = nPan;
@@ -1218,10 +1207,7 @@ cSampleManager::GetStreamedFileLength(uint8 nFile)
 	WavHeader hdr;
 	assert(fs_read(fd, &hdr, sizeof(hdr)) == sizeof(hdr));
 
-	uint64_t rv64 = (uint64_t)hdr.dataSize * 2000 / hdr.numOfChan / hdr.samplesPerSec;
-
-	assert(rv64 <= INT32_MAX);
-	rv = (int32)rv64;
+	rv = hdr.dataSize * 2000 / hdr.numOfChan / hdr.samplesPerSec;
 
 	fs_close(fd);
 
@@ -1301,17 +1287,9 @@ void  cSampleManager::SetChannelEmittingVolume(uint32 nChannel, uint32 nVolume)
 	if (nVolume > MAX_VOLUME)
 		nVolume = MAX_VOLUME;
 
-	// reduce channel volume when JB.MP3 or S4_BDBD.MP3 playing
-	if (   MusicManager.GetMusicMode()    == MUSICMODE_CUTSCENE
-		&& MusicManager.GetNextTrack() != STREAMED_SOUND_NEWS_INTRO
-		&& MusicManager.GetNextTrack() != STREAMED_SOUND_CUTSCENE_SAL4_BDBD )
-	{
-		nVolume /= 4;
-	}
-
 	std::lock_guard<std::mutex> lk(channel_mtx);
 	channels[nChannel].emittingVol = linearlize_volume(nVolume); // nVolume * 255 / MAX_VOLUME;
-	UpdateChannelVolume(nChannel);
+	updateVol(nChannel);
 }
 
 float calculatePan(float x, float z) {
@@ -1356,7 +1334,7 @@ void  cSampleManager::SetChannel3DPosition    (uint32 nChannel, float fX, float
 		channels[nChannel].fY = fY;
 		channels[nChannel].fZ = fZ;
 		channels[nChannel].attenuationVol = calculateAttenuation(channels[nChannel].fX, channels[nChannel].fY, channels[nChannel].fZ, channels[nChannel].distMin, channels[nChannel].distMax) * 255;
-		UpdateChannelVolume(nChannel);
+		updateVol(nChannel);
 	}
 
 	SetChannelPan(nChannel, calculatePan(-fX, fZ) * 63 + 64);
@@ -1369,7 +1347,7 @@ void  cSampleManager::SetChannel3DDistances   (uint32 nChannel, float fMax, floa
 	channels[nChannel].distMin = fMin;
 	channels[nChannel].distMax = fMax;
 	channels[nChannel].attenuationVol = calculateAttenuation(channels[nChannel].fX, channels[nChannel].fY, channels[nChannel].fZ, channels[nChannel].distMin, channels[nChannel].distMax) * 255;
-	UpdateChannelVolume(nChannel);
+	updateVol(nChannel);
 }
 #endif
 

src/control/Script4.cpp

@@ -1721,8 +1721,8 @@ int8 CRunningScript::ProcessCommands900To999(int32 command)
 			return 0;
 		int attempts;
 		int model = -1;
-		int index = CGeneral::GetRandomNumberInRange(0, MAXVEHICLESLOADED);
-		for (attempts = 0; attempts < MAXVEHICLESLOADED; attempts++) {
+		int index = CGeneral::GetRandomNumberInRange(0, 50);
+		for (attempts = 0; attempts < 50; attempts++) {
 			if (model != -1)
 				break;
 			model = CStreaming::ms_vehiclesLoaded[index];

src/core/Game.cpp

@@ -1012,14 +1012,8 @@ void CGame::InitialiseWhenRestarting(void)
 	DMAudio.ChangeMusicMode(MUSICMODE_GAME);
 }
 
-namespace rw::dc {
-	void relocate_objects();
-}
-
 void CGame::Process(void) 
 {
-	rw::dc::relocate_objects();
-
 	CPad::UpdatePads();
 #ifdef USE_CUSTOM_ALLOCATOR
 	ProcessTidyUpMemory();

src/core/Pad.cpp

@@ -2785,22 +2785,22 @@ bool CPad::WeaponJustDown(void)
 		case 0:	//Xbox Mode
 			if (CPad::GetPad(0)->IsDualAnalog)
 			{
-				if (NewState.RightTrigger > 128 && !(OldState.RightTrigger > 128))
+				if (NewState.RightTrigger > 128)
 					return true;			
 			}
 			else
 			{
-				if (NewState.RightTrigger > 128 && !(OldState.RightTrigger > 128))
+				if (NewState.RightTrigger > 128)
 					return true;			
 			}
 		case 1:	//PS2 Mode
 			if (CPad::GetPad(0)->IsDualAnalog)
 			{
-				return	NewState.B && !OldState.B;
+				return	NewState.B;
 			}
 			else
 			{
-				return	NewState.B && !OldState.B;
+				return	NewState.B;
 			}
 	}
 

src/entities/Entity.cpp

@@ -83,11 +83,6 @@ CEntity::~CEntity(void)
 	ResolveReferences();
 }
 
-bool
-CEntity::IsFence(void) {
-	return IsObject() && ::IsFence(static_cast<CObject *>(this)->GetModelIndex());
-}
-
 void
 CEntity::SetModelIndex(uint32 id)
 {

src/entities/Entity.h

@@ -131,7 +131,6 @@ public:
 	bool IsPed(void) { return m_type == ENTITY_TYPE_PED; }
 	bool IsObject(void) { return m_type == ENTITY_TYPE_OBJECT; }
 	bool IsDummy(void) { return m_type == ENTITY_TYPE_DUMMY; }
-	bool IsFence(void);
 
 	RpAtomic *GetAtomic(void) {
 		assert(RwObjectGetType(m_rwObject) == rpATOMIC);

src/entities/Physical.cpp

@@ -59,7 +59,7 @@ CPhysical::CPhysical(void)
 	bInfiniteMass = false;
 	bIsInWater = false;
 	bHitByTrain = false;
-	bSkipLineCol = IsFence();
+	bSkipLineCol = false;
 
 	m_fDistanceTravelled = 0.0f;
 	m_treadable[PATH_CAR] = nil;
@@ -1461,10 +1461,6 @@ CPhysical::ProcessCollisionSectorList(CPtrList *lists)
 			skipCollision = false;
 			altcollision = false;
 
-			if(A->IsFence() && B->IsFence()) {
-				skipCollision = true;
-				A->bSkipLineCol = true;
-			}
 			if(B->IsBuilding())
 				skipCollision = false;
 			else if(IsStreetLight(A->GetModelIndex()) &&
@@ -1926,12 +1922,12 @@ CPhysical::ProcessCollision(void)
 				n = NUMSTEPS(0.09f);
 				step = savedTimeStep / n;
 			}
-		}else if(responsecase == COLLRESPONSE_SMALLBOX){
+		}else if(responsecase == COLLRESPONSE_SMALLBOX || responsecase == COLLRESPONSE_FENCEPART){
 			if(distSq >= sq(0.15f)){
 				n = NUMSTEPS(0.15f);
 				step = savedTimeStep / n;
 			}
-		}else if(responsecase != COLLRESPONSE_FENCEPART){
+		}else{
 			if(distSq >= sq(0.3f)){
 				n = NUMSTEPS(0.3f);
 				step = savedTimeStep / n;

src/vmu/vmu.cpp

@@ -10,7 +10,7 @@
 #       include <dc/sound/sound.h>
 #   endif
 
-extern bool _bSampmanInitialised;
+extern bool _dcAudioInitialized;
 
 // ====== STATIC METHODS =====
 
@@ -86,7 +86,7 @@ void VmuProfiler::run() {
 
 #ifdef DC_SH4
         if(auto *dev = maple_enum_type(0, MAPLE_FUNC_MEMCARD); 
-            dev && _bSampmanInitialised && updated_) 
+            dev && _dcAudioInitialized && updated_) 
         {
             pvr_stats_t pvrStats;   pvr_get_stats(&pvrStats);
             uint32_t    sramStats = snd_mem_available();

vendor/librw/src/dc/rwdc.cpp

@@ -5,10 +5,6 @@
 #include <string.h>
 #include <assert.h>
 
-extern "C" size_t malloc_usable_size(void* m);
-
-#include <list>
-
 #if !defined(DC_TEXCONV) && !defined(MACOS64)
 #include <malloc.h>
 #endif
@@ -309,8 +305,6 @@ void rw_mat_load_4x4(rw::Matrix* mtx) {
 #define mat_identity(a)
 #define pvr_fog_table_color(a,r,g,b)
 #define pvr_fog_table_linear(s,e)
-#define pvr_fog_table_exp(d)
-#define pvr_fog_table_custom(d)
 #endif
 
 #define mat_trans_single3_nomod(x_, y_, z_, x2, y2, z2) do { \
@@ -669,10 +663,7 @@ void malloc_stats() { }
 #define UNIMPL_LOGV(...)
 #endif
 
-Camera* rwdcCam;
-
 void beginUpdate(Camera* cam)  {
-	rwdcCam = cam;
 	float view[16], proj[16];
 
 	// View Matrix
@@ -1107,7 +1098,6 @@ static bool doAlphaTest;
 
 static uint8_t fogFuncPvr = PVR_FOG_DISABLE;
 static uint32_t fogColor = 0;
-static float fogStart = 0.0f;
 static uint32 cullModePvr;
 
 static inline unsigned pvrCullMode(uint32_t cullMode) {
@@ -1208,9 +1198,8 @@ setRenderState(int32 state, void *pvalue)
 	 	fogFuncPvr = value ? PVR_FOG_TABLE : PVR_FOG_DISABLE;
 	 	break;
 	 case FOGCOLOR:
-#if !defined(DC_TEXCONV)		
         // Set fog color when state changes
-        if(fogColor != value || fogStart != RwCameraGetFogDistance(rwdcCam)) {
+        if(fogColor != value) {
             fogColor = value;
             RGBA c;
             c.red = value;
@@ -1218,22 +1207,9 @@ setRenderState(int32 state, void *pvalue)
             c.blue = value>>16;
             c.alpha = value>>24;
             pvr_fog_table_color(c.alpha / 255.0f, c.red / 255.0f, c.green  / 255.0f, c.blue  / 255.0f);
-
-			fogStart = RwCameraGetFogDistance(rwdcCam);
-			float fogEnd = RwCameraGetFarClipPlane(rwdcCam);
-			float fogIntensity[129];
-			uint8_t idx = 0;
-			float startIntensity = (-fogStart) / (fogEnd - fogStart);  //interpolate between start and end to get initial intensity
-			float step = (1.0f - startIntensity) / 129; // we have 129 entries, create a step such that start + (step*129) = 1.0
-			for(int i = 128; i >= 0; i--) {
-				fogIntensity[i] = startIntensity + (idx++ * step);
-			}
-			pvr_fog_far_depth(fogEnd);
-			pvr_fog_table_custom(fogIntensity);
+            pvr_fog_table_linear(50.0f, 450.0f);
         }
-#endif
 	 	break;
-
 	// case CULLMODE:
 	// 	if(rwStateCache.cullmode != value){
 	// 		rwStateCache.cullmode = value;
@@ -3911,19 +3887,19 @@ imageFindRasterFormat(Image *img, int32 type,
 		;
 
     if(downsampleMode >= HALF) {
-        if(height / 2 >= 16) {
+        if(height / 2 >= 64) {
             height /= 2;
         }
-        if(width / 2 >= 16) {
+        if(width / 2 >= 64) {
             width /= 2;
         }
     }
 
     if(downsampleMode >= QUARTER) {
-        if(height / 2 >= 16) {
+        if(height / 2 >= 32) {
             height /= 2;
         }
-        if(width / 2 >= 16) {
+        if(width / 2 >= 32) {
             width /= 2;
         }
     }
@@ -4603,31 +4579,12 @@ writeNativeTexture(Texture *tex, Stream *stream)
 
 #define DC_MODEL_VERSION 5
 
-std::list<void**> allocations;
-
-void relocate_objects() {
-	for (auto allocation: allocations) {
-		auto size = malloc_usable_size(*allocation);
-		void* candidate = rwMalloc(size, MEMDUR_EVENT | ID_GEOMETRY);
-		if (!candidate)
-			continue;
-		if ((uintptr_t&)candidate < (uintptr_t&)*allocation) {
-			// fprintf(stderr, "Moving memory %p to %p\n", *allocation, candidate);
-			memcpy(candidate, *allocation, size);
-			free(*allocation);
-			*allocation = candidate;
-		} else {
-			free(candidate);
-		}
-	}
-}
 void*
 destroyNativeData(void *object, int32, int32)
 {
 	auto geo = (Geometry*)object;
 	rwFree(geo->instData);
 	geo->instData = nil;
-	allocations.remove(&(void*&)geo->instData);
 
 	return object;
 }
@@ -4645,7 +4602,6 @@ readNativeData(Stream *stream, int32 length, void *object, int32, int32)
 
 	DCModelDataHeader *header = (DCModelDataHeader *)rwNew(sizeof(DCModelDataHeader) + chunkLen - 8, MEMDUR_EVENT | ID_GEOMETRY);
 	geo->instData = header;
-	allocations.insert(allocations.begin(), &(void*&)geo->instData);
 	stream->read32(&header->platform, 4);
 	uint32_t version;
 	stream->read32(&version, 4);