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#include "common.h"
#include "patcher.h"
RwTexture*
RwTextureGtaStreamRead(RwStream *stream)
{
RwUInt32 size, version;
RwTexture *tex;
if(!RwStreamFindChunk(stream, rwID_TEXTURENATIVE, &size, &version))
return nil;
// TODO: unused timing
if(!RWSRCGLOBAL(stdFunc[rwSTANDARDNATIVETEXTUREREAD](stream, &tex, size)))
return nil;
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;
}
STARTPATCHES
InjectHook(0x592380, RwTextureGtaStreamRead, PATCH_JUMP);
InjectHook(0x5924A0, RwTexDictionaryGtaStreamRead, PATCH_JUMP);
InjectHook(0x592550, RwTexDictionaryGtaStreamRead1, PATCH_JUMP);
InjectHook(0x592650, RwTexDictionaryGtaStreamRead2, PATCH_JUMP);
ENDPATCHES
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