SA-MP/saco/game/patches.cpp
2024-02-01 00:05:04 +08:00

272 lines
8.0 KiB
C++

#include "../main.h"
DWORD dwSystemMemory;
DWORD dwStreamingMemory;
extern int iGtaVersion;
//----------------------------------------------------------
void UnFuckAndCheck(DWORD addr, int size, BYTE byteCheck)
{
DWORD d;
VirtualProtect((PVOID)addr,size,PAGE_EXECUTE_READWRITE,&d);
if(byteCheck != *(PBYTE)addr) {
#ifdef _DEBUG
char s[256];
sprintf(s,"Failed Check At Addr: 0x%X",addr);
OutputDebugString(s);
#endif
while(byteCheck != *(PBYTE)addr) Sleep(1);
VirtualProtect((PVOID)addr,size,PAGE_EXECUTE_READWRITE,&d);
}
}
//----------------------------------------------------------
void UnFuck(DWORD addr, int size)
{
DWORD d;
VirtualProtect((PVOID)addr,size,PAGE_EXECUTE_READWRITE,&d);
}
//----------------------------------------------------------
BOOL ApplyPreGamePatches()
{
BYTE * pbyteVersionDetermination = (PBYTE)ADDR_BYPASS_VIDS_USA10;
int iCounter=0;
// MAIN VERSION DETERMINING LOGIC
while( (*pbyteVersionDetermination != 0x89) &&
(*pbyteVersionDetermination != 0xC8) )
{
if (*(PBYTE)ADDR_GAME_STARTED == 1) {
return FALSE;
} else {
Sleep(10);
iCounter++;
if(iCounter>6000) { // 60 seconds have passed
return FALSE;
}
}
}
if(*pbyteVersionDetermination == 0x89) {
iGtaVersion = GTASA_VERSION_USA10;
}
else if(*pbyteVersionDetermination == 0xC8) {
iGtaVersion = GTASA_VERSION_EU10;
}
// (skip to starting screen)
if(iGtaVersion == GTASA_VERSION_USA10) {
UnFuck(ADDR_BYPASS_VIDS_USA10,6);
*(BYTE *)ADDR_ENTRY = 5;
memset((PVOID)ADDR_BYPASS_VIDS_USA10,0x90,6);
}
else if (iGtaVersion == GTASA_VERSION_EU10) {
UnFuck(ADDR_BYPASS_VIDS_EU10,6);
*(BYTE *)ADDR_ENTRY = 5;
memset((PVOID)ADDR_BYPASS_VIDS_EU10,0x90,6);
}
// Loading screens
UnFuck(0x866CD8,10);
UnFuck(0x866CCC,10);
strcpy((PCHAR)0x866CD8,"title");
strcpy((PCHAR)0x866CCC,"title");
UnFuck(0x745B87,68);
memset((PVOID)0x745B87,0x90,68);
UnFuck(0x7459E1,2);
memset((LPVOID)0x7459E1,0x90,2);
UnFuckAndCheck(0x561872,30,0x85);
*(PBYTE)0x561872 = 0x33;
*(PBYTE)0x561873 = 0xC0;
memset((LPVOID)0x561874,0x90,27);
MEMORYSTATUSEX statex;
statex.dwLength = sizeof(statex);
GlobalMemoryStatusEx(&statex);
dwSystemMemory = statex.ullTotalPhys / (1024 * 1024);
if(dwSystemMemory > 4000)
dwStreamingMemory = 0x40000000; // 1024MB
else if(dwSystemMemory > 2000)
dwStreamingMemory = 0x20000000; // 512MB
else if(dwSystemMemory > 1000)
dwStreamingMemory = 0x10000000; // 256MB
else if(dwSystemMemory > 500)
dwStreamingMemory = 0x08000000; // 128MB
else
dwStreamingMemory = 0x06000000; // 96MB
// Modify the streaming memory hardcoded values
UnFuck(0x5B8E6A,4);
*(DWORD *)0x5B8E6A = dwStreamingMemory;
UnFuckAndCheck(0x4083C0,1,0xB8);
*(PBYTE)0x4083C0 = 0xC3;
UnFuck(0x590099,5);
memset((LPVOID)0x590099,0x90,5);
UnFuck(0x53E94C,1);
*(PBYTE)0x53E94C = 2;
UnFuck(0x731F60,4);
*(PDWORD)0x731F60 = 20000;
return TRUE;
}
//----------------------------------------------------------
#pragma pack(1)
typedef struct _PED_MODEL
{
DWORD func_tbl;
BYTE data[64];
} PED_MODEL;
PED_MODEL PedModelsMemory[319];
void RelocatePedsListHack()
{
BYTE *aPedsListMemory = (BYTE*)&PedModelsMemory[0];
// Init the mem
int x=0;
while(x!=319) {
PedModelsMemory[x].func_tbl = 0x85BDC0;
memset(PedModelsMemory[x].data,0,64);
x++;
}
// Patch the GetPedsModelInfo to use us
// instead of the gta_sa.exe mem.
UnFuck(0x4C67AD,4);
*(DWORD *)0x4C67AD = (DWORD)aPedsListMemory;
}
//----------------------------------------------------------
// FOLLOWING IS TO RELOCATE THE SCANLIST MEMORY, A BIG
// HACK THAT ALLOWS US TO HAVE MORE THAN 2 CPlayerInfo STRUCTURES.
unsigned char ScanListMemory[8*20000];
// Pointers to actual code addresses to patch. The first list
// has taken into account the instruction bytes, second list
// does not. The second list is guaranteed to have 3 byte
// instructions before the new address.
DWORD dwPatchAddrScanReloc1USA[14] = {
0x5DC7AA,0x41A85D,0x41A864,0x408259,0x711B32,0x699CF8,
0x4092EC,0x40914E,0x408702,0x564220,0x564172,0x563845,
0x84E9C2,0x85652D };
DWORD dwPatchAddrScanReloc1EU[14] = {
0x5DC7AA,0x41A85D,0x41A864,0x408261,0x711B32,0x699CF8,
0x4092EC,0x40914E,0x408702,0x564220,0x564172,0x563845,
0x84EA02,0x85656D };
// Lots of hex.. that's why they call us a "determined group of hackers"
DWORD dwPatchAddrScanReloc2USA[56] = {
0x0040D68C,0x005664D7,0x00566586,0x00408706,0x0056B3B1,0x0056AD91,0x0056A85F,0x005675FA,
0x0056CD84,0x0056CC79,0x0056CB51,0x0056CA4A,0x0056C664,0x0056C569,0x0056C445,0x0056C341,
0x0056BD46,0x0056BC53,0x0056BE56,0x0056A940,0x00567735,0x00546738,0x0054BB23,0x006E31AA,
0x0040DC29,0x00534A09,0x00534D6B,0x00564B59,0x00564DA9,0x0067FF5D,0x00568CB9,0x00568EFB,
0x00569F57,0x00569537,0x00569127,0x0056B4B5,0x0056B594,0x0056B2C3,0x0056AF74,0x0056AE95,
0x0056BF4F,0x0056ACA3,0x0056A766,0x0056A685,0x0070B9BA,0x0056479D,0x0070ACB2,0x006063C7,
0x00699CFE,0x0041A861,0x0040E061,0x0040DF5E,0x0040DDCE,0x0040DB0E,0x0040D98C,0x01566855 };
DWORD dwPatchAddrScanReloc2EU[56] = {
0x0040D68C,0x005664D7,0x00566586,0x00408706,0x0056B3B1,0x0056AD91,0x0056A85F,0x005675FA,
0x0056CD84,0x0056CC79,0x0056CB51,0x0056CA4A,0x0056C664,0x0056C569,0x0056C445,0x0056C341,
0x0056BD46,0x0056BC53,0x0056BE56,0x0056A940,0x00567735,0x00546738,0x0054BB23,0x006E31AA,
0x0040DC29,0x00534A09,0x00534D6B,0x00564B59,0x00564DA9,0x0067FF5D,0x00568CB9,0x00568EFB,
0x00569F57,0x00569537,0x00569127,0x0056B4B5,0x0056B594,0x0056B2C3,0x0056AF74,0x0056AE95,
0x0056BF4F,0x0056ACA3,0x0056A766,0x0056A685,0x0070B9BA,0x0056479D,0x0070ACB2,0x006063C7,
0x00699CFE,0x0041A861,0x0040E061,0x0040DF5E,0x0040DDCE,0x0040DB0E,0x0040D98C,0x01566845 };
DWORD dwPatchAddrScanReloc3[11] = {
0x004091C5,0x00409367,0x0040D9C5,0x0040DB47,0x0040DC61,0x0040DE07,0x0040DF97,
0x0040E09A,0x00534A98,0x00534DFA,0x0071CDB0 };
// For End
// 0xB992B8 is reffed for checking end of scanlist... rewrite this to point to end of new list
DWORD dwPatchAddrScanRelocEnd[4] = { 0x005634A6, 0x005638DF, 0x0056420F, 0x00564283 };
//-----------------------------------------------------------
void RelocateScanListHack()
{
DWORD oldProt;
memset(&ScanListMemory[0], 0, sizeof(ScanListMemory));
unsigned char *aScanListMemory = &ScanListMemory[0];
// FIRST PREPARED LIST OF ACCESSORS
int x=0;
while(x!=14) {
if(iGtaVersion == GTASA_VERSION_USA10) {
VirtualProtect((PVOID)dwPatchAddrScanReloc1USA[x],4,PAGE_EXECUTE_READWRITE,&oldProt);
*(PDWORD)dwPatchAddrScanReloc1USA[x] = (DWORD)aScanListMemory;
}
else if(iGtaVersion == GTASA_VERSION_EU10) {
VirtualProtect((PVOID)dwPatchAddrScanReloc1EU[x],4,PAGE_EXECUTE_READWRITE,&oldProt);
*(PDWORD)dwPatchAddrScanReloc1EU[x] = (DWORD)aScanListMemory;
}
x++;
}
// SECOND PREPARED LIST OF ACCESSORS <G>
x=0;
while(x!=56) {
if(iGtaVersion == GTASA_VERSION_USA10) {
VirtualProtect((PVOID)dwPatchAddrScanReloc2USA[x],8,PAGE_EXECUTE_READWRITE,&oldProt);
*(PDWORD)(dwPatchAddrScanReloc2USA[x] + 3) = (DWORD)aScanListMemory;
}
else if(iGtaVersion == GTASA_VERSION_EU10) {
VirtualProtect((PVOID)dwPatchAddrScanReloc2EU[x],8,PAGE_EXECUTE_READWRITE,&oldProt);
*(PDWORD)(dwPatchAddrScanReloc2EU[x] + 3) = (DWORD)aScanListMemory;
}
x++;
}
// THIRD LIST THAT POINTS TO THE BASE SCANLIST MEMORY + 4
x=0;
while(x!=11) {
VirtualProtect((PVOID)dwPatchAddrScanReloc3[x],8,PAGE_EXECUTE_READWRITE,&oldProt);
*(PDWORD)(dwPatchAddrScanReloc3[x] + 3) = (DWORD)(aScanListMemory+4);
x++;
}
// FOURTH LIST THAT POINTS TO THE END OF THE SCANLIST
x=0;
while(x!=4) {
VirtualProtect((PVOID)dwPatchAddrScanRelocEnd[x],4,PAGE_EXECUTE_READWRITE,&oldProt);
*(PDWORD)(dwPatchAddrScanRelocEnd[x]) = (DWORD)(aScanListMemory+sizeof(ScanListMemory));
x++;
}
// Others that didn't fit.
VirtualProtect((PVOID)0x564DC7,4,PAGE_EXECUTE_READWRITE,&oldProt);
*(PDWORD)0x564DC7 = (DWORD)(aScanListMemory+115200);
VirtualProtect((PVOID)0x40936A,4,PAGE_EXECUTE_READWRITE,&oldProt);
*(PDWORD)0x40936A = (DWORD)(aScanListMemory+4);
// Reset the exe scanlist mem for playerinfo's
memset((BYTE*)0xB7D0B8,0,8*14400);
}
//----------------------------------------------------------