Game-Decompilation/SA-MP
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[saco] Implement HookRwRenderStateSet()

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Implements:
* `HookRwRenderStateSet()`
* `RwRenderStateSetHook()`
This commit is contained in:
RD42 2024-02-19 21:20:00 +08:00
parent c486b3b26e
commit bc5ef7e0b1
1 changed files with 51 additions and 0 deletions
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51
saco/main.cpp
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@ -47,6 +47,12 @@ void TheGraphicsLoop();
LONG WINAPI exc_handler(_EXCEPTION_POINTERS* exc_inf);
void sub_1009DD50();
DWORD dwOrgRwSetState=0;
DWORD dwSetStateCaller=0;
DWORD dwSetStateOption=0;
DWORD dwSetStateParam=0;
char dbgstr[256];
// polls the game until it's able to run.
void LaunchMonitor(PVOID v)
{
@ -221,6 +227,51 @@ void SetupD3DFog(BOOL bEnable)
//----------------------------------------------------
void _declspec(naked) RwRenderStateSetHook()
{
_asm mov eax, [esp]
_asm mov dwSetStateCaller, eax
_asm mov eax, [esp+4]
_asm mov dwSetStateOption, eax
_asm mov eax, [esp+8]
_asm mov dwSetStateParam, eax
if(dwSetStateOption == 14) {
if(dwSetStateParam) {
SetupD3DFog(TRUE);
dwFogEnabled = 1;
} else {
SetupD3DFog(FALSE);
dwFogEnabled = 0;
}
_asm mov [esp+8], 0 ; no fog
}
_asm mov eax, dwOrgRwSetState
_asm jmp eax
}
//----------------------------------------------------
void HookRwRenderStateSet()
{
DWORD dwNewRwSetState = (DWORD)RwRenderStateSetHook;
_asm mov ebx, 0xC97B24
_asm mov eax, [ebx]
_asm mov edx, [eax+32]
_asm mov dwOrgRwSetState, edx
_asm mov edx, dwNewRwSetState
_asm mov [eax+32], edx
#ifdef _DEBUG
sprintf(dbgstr,"HookRwRenderStateSet(0x%X)",dwOrgRwSetState);
OutputDebugString(dbgstr);
#endif
}
//----------------------------------------------------
void CallRwRenderStateSet(int state, int option)
{
_asm push option