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#include "common.h"
#include "patcher.h"
#include "templates.h"
#include "Streaming.h"
#include "RwHelper.h"
#include "TxdStore.h"
CPool<TxdDef,TxdDef> *&CTxdStore::ms_pTxdPool = *(CPool<TxdDef,TxdDef>**)0x8F5FB8;
RwTexDictionary *&CTxdStore::ms_pStoredTxd = *(RwTexDictionary**)0x9405BC;
void
CTxdStore::Initialize(void)
{
if(ms_pTxdPool == nil)
ms_pTxdPool = new CPool<TxdDef,TxdDef>(TXDSTORESIZE);
}
void
CTxdStore::Shutdown(void)
{
if(ms_pTxdPool)
delete ms_pTxdPool;
}
void
CTxdStore::GameShutdown(void)
{
int i;
for(i = 0; i < TXDSTORESIZE; i++){
TxdDef *def = GetSlot(i);
if(def && GetNumRefs(i) == 0)
RemoveTxdSlot(i);
}
}
int
CTxdStore::AddTxdSlot(const char *name)
{
TxdDef *def = ms_pTxdPool->New();
assert(def);
def->texDict = nil;
def->refCount = 0;
strcpy(def->name, name);
return ms_pTxdPool->GetJustIndex(def);
}
void
CTxdStore::RemoveTxdSlot(int slot)
{
TxdDef *def = GetSlot(slot);
if(def->texDict)
RwTexDictionaryDestroy(def->texDict);
ms_pTxdPool->Delete(def);
}
int
CTxdStore::FindTxdSlot(const char *name)
{
char *defname;
int size = ms_pTxdPool->GetSize();
for(int i = 0; i < size; i++){
defname = GetTxdName(i);
if(defname && _strcmpi(defname, name) == 0)
return i;
}
return -1;
}
char*
CTxdStore::GetTxdName(int slot)
{
TxdDef *def = GetSlot(slot);
return def ? def->name : nil;
}
void
CTxdStore::PushCurrentTxd(void)
{
ms_pStoredTxd = RwTexDictionaryGetCurrent();
}
void
CTxdStore::PopCurrentTxd(void)
{
RwTexDictionarySetCurrent(ms_pStoredTxd);
ms_pStoredTxd = nil;
}
void
CTxdStore::SetCurrentTxd(int slot)
{
TxdDef *def = GetSlot(slot);
if(def)
RwTexDictionarySetCurrent(def->texDict);
}
void
CTxdStore::Create(int slot)
{
GetSlot(slot)->texDict = RwTexDictionaryCreate();
}
int
CTxdStore::GetNumRefs(int slot)
{
return GetSlot(slot)->refCount;
}
void
CTxdStore::AddRef(int slot)
{
GetSlot(slot)->refCount++;
}
void
CTxdStore::RemoveRef(int slot)
{
if(--GetSlot(slot)->refCount <= 0)
CStreaming::RemoveModel(slot + STREAM_OFFSET_TXD);
}
void
CTxdStore::RemoveRefWithoutDelete(int slot)
{
GetSlot(slot)->refCount--;
}
bool
CTxdStore::LoadTxd(int slot, RwStream *stream)
{
TxdDef *def = GetSlot(slot);
if(RwStreamFindChunk(stream, rwID_TEXDICTIONARY, nil, nil)){
def->texDict = RwTexDictionaryGtaStreamRead(stream);
return def->texDict != nil;
}
printf("Failed to load TXD\n");
return false;
}
bool
CTxdStore::LoadTxd(int slot, const char *filename)
{
RwStream *stream;
bool ret;
ret = false;
_rwD3D8TexDictionaryEnableRasterFormatConversion(true);
do
stream = RwStreamOpen(rwSTREAMFILENAME, rwSTREAMREAD, filename);
while(stream == nil);
ret = LoadTxd(slot, stream);
RwStreamClose(stream, nil);
return ret;
}
bool
CTxdStore::StartLoadTxd(int slot, RwStream *stream)
{
TxdDef *def = GetSlot(slot);
if(RwStreamFindChunk(stream, rwID_TEXDICTIONARY, nil, nil)){
def->texDict = RwTexDictionaryGtaStreamRead1(stream);
return def->texDict != nil;
}else{
printf("Failed to load TXD\n");
return nil;
}
}
bool
CTxdStore::FinishLoadTxd(int slot, RwStream *stream)
{
TxdDef *def = GetSlot(slot);
def->texDict = RwTexDictionaryGtaStreamRead2(stream, def->texDict);
return def->texDict != nil;
}
void
CTxdStore::RemoveTxd(int slot)
{
TxdDef *def = GetSlot(slot);
if(def->texDict)
RwTexDictionaryDestroy(def->texDict);
def->texDict = nil;
}
STARTPATCHES
InjectHook(0x527440, CTxdStore::Initialize, PATCH_JUMP);
InjectHook(0x527470, CTxdStore::Shutdown, PATCH_JUMP);
InjectHook(0x527490, CTxdStore::GameShutdown, PATCH_JUMP);
InjectHook(0x5274E0, CTxdStore::AddTxdSlot, PATCH_JUMP);
InjectHook(0x5275D0, CTxdStore::FindTxdSlot, PATCH_JUMP);
InjectHook(0x527590, CTxdStore::GetTxdName, PATCH_JUMP);
InjectHook(0x527900, CTxdStore::PushCurrentTxd, PATCH_JUMP);
InjectHook(0x527910, CTxdStore::PopCurrentTxd, PATCH_JUMP);
InjectHook(0x5278C0, CTxdStore::SetCurrentTxd, PATCH_JUMP);
InjectHook(0x527830, CTxdStore::Create, PATCH_JUMP);
InjectHook(0x527A00, CTxdStore::GetNumRefs, PATCH_JUMP);
InjectHook(0x527930, CTxdStore::AddRef, PATCH_JUMP);
InjectHook(0x527970, CTxdStore::RemoveRef, PATCH_JUMP);
InjectHook(0x5279C0, CTxdStore::RemoveRefWithoutDelete, PATCH_JUMP);
InjectHook(0x527700, (bool (*)(int, RwStream*))CTxdStore::LoadTxd, PATCH_JUMP);
InjectHook(0x5276B0, (bool (*)(int, const char*))CTxdStore::LoadTxd, PATCH_JUMP);
InjectHook(0x527770, CTxdStore::StartLoadTxd, PATCH_JUMP);
InjectHook(0x5277E0, CTxdStore::FinishLoadTxd, PATCH_JUMP);
InjectHook(0x527870, CTxdStore::RemoveTxd, PATCH_JUMP);
ENDPATCHES
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