1 files changed, 209 insertions, 0 deletions

diff --git a/src/rw/TxdStore.cpp b/src/rw/TxdStore.cpp
new file mode 100644
index 00000000..c751147d
--- /dev/null
+++ b/src/rw/TxdStore.cpp
@@ -0,0 +1,209 @@
+#include "common.h"
+#include "patcher.h"
+#include "templates.h"
+#include "General.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::Initialise(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 && !CGeneral::faststricmp(defname, name))
+			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 false;
+	}
+}
+
+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::Initialise, 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