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[saco] Implement SetTimedObjects(...)

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* Implement `SetIPLs(...)`
* Implement `_patch(...)`
This commit is contained in:
RD42 2024-04-08 22:20:41 +08:00
parent 9ce72dcf79
commit b9ee9d4786
1 changed files with 78 additions and 0 deletions
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78
saco/game/patches.cpp
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@ -8,6 +8,84 @@ extern int iGtaVersion;
//----------------------------------------------------------
#define memadd(num,arr) dwAlloc+=num;cBytes=(char*)&dwAlloc;for(int i=0;i<4;i++)arr[i]=cBytes[i]
#define patch(a,b) _patch(a,b,sizeof(b))
//----------------------------------------------------------
void _patch(DWORD dwAddress,BYTE* bData,int iSize)
{
DWORD dwProtect[2];
VirtualProtect((PVOID)dwAddress,iSize,PAGE_EXECUTE_READWRITE,&dwProtect[0]);
memcpy((PVOID)dwAddress,bData,iSize);
VirtualProtect((PVOID)dwAddress,iSize,dwProtect[0],&dwProtect[1]);
}
//----------------------------------------------------------
void SetIPLs(int iIPLs, int iGtaVersion)
{
DWORD dwAlloc = (DWORD) malloc(iIPLs+4);
if(dwAlloc)
{
memset((void*)dwAlloc,0x0,iIPLs+4);
char* cBytes = (char*)&dwAlloc;
BYTE bIPLs[] = { cBytes[0], cBytes[1], cBytes[2], cBytes[3] };
if(iGtaVersion == GTASA_VERSION_USA10)
{
patch(0x1569777,bIPLs);
patch(0x15649FA,bIPLs);
patch(0x1561160,bIPLs);
}
else
{
patch(0x1569717,bIPLs);
patch(0x156495A,bIPLs);
patch(0x156115C,bIPLs);
}
patch(0x40619B,bIPLs);
patch(0x405C3D,bIPLs);
}
}
//----------------------------------------------------------
void SetTimedObjects(int iTimedObjects)
{
DWORD dwAlloc = (DWORD) malloc((0x24*iTimedObjects)+4);
if(dwAlloc)
{
memset((LPVOID)dwAlloc,0x00,(0x24*iTimedObjects)+4);
for(DWORD i=dwAlloc+4;i<(dwAlloc+4+(0x24*iTimedObjects));i+=0x24)
{
*(BYTE*) i = 0xB0;
*(BYTE*) (i+1) = 0xBC;
*(BYTE*) (i+2) = 0x85;
*(BYTE*) (i+10) = 0xFF;
*(BYTE*) (i+11) = 0xFF;
*(BYTE*) (i+34) = 0xFF;
*(BYTE*) (i+35) = 0xFF;
}
char* cBytes = (char*)&dwAlloc;
BYTE bTimedObjects[] = { cBytes[0], cBytes[1], cBytes[2], cBytes[3] };
patch(0x4C66B1,bTimedObjects);
patch(0x4C66C2,bTimedObjects);
patch(0x84BC51,bTimedObjects);
patch(0x856261,bTimedObjects);
patch(0x4C683B,bTimedObjects);
memadd(4,bTimedObjects);
patch(0x4C6464,bTimedObjects);
patch(0x4C66BD,bTimedObjects);
cBytes = (char*)&iTimedObjects;
BYTE pushTimedObjects[] = { 0x68, cBytes[0], cBytes[1], cBytes[2], cBytes[3] };
patch(0x4C58A5,pushTimedObjects);
}
}
//----------------------------------------------------------
void UnFuckAndCheck(DWORD addr, int size, BYTE byteCheck)
{
DWORD d;