Unlimited Ammo

#define ADR_UNLAMMO1  0xAFDAFC
#define ADR_UNLAMMO2  0x98BCC8

DWORD AmmoCall;

_declspec(naked)void iAsm_UnlAmmo_Patch()
{
__asm
{
  mov eax,dword ptr ds:[ADR_UNLAMMO1]
  test eax,eax
  jmp loc_retn
  push 8
  call AmmoCall
  add esp,4
  test eax,eax
  je loc_xor
  mov dword ptr ds:[eax],ADR_UNLAMMO2
  mov word ptr ds:[eax+4],0
  mov dword ptr ds:[ADR_UNLAMMO1],eax
  retn
loc_xor:
  xor eax,eax
  mov dword ptr ds:[ADR_UNLAMMO1],eax
loc_retn:
  retn
}
}

AmmoCall = 0x803ED4;

void *DetJmp(BYTE *src, const BYTE *dst, const int len) 
{
 BYTE *jmp =(BYTE*)malloc(len+5);
 DWORD dwBack;

 VirtualProtect(src, len, PAGE_READWRITE, &dwBack);
 memcpy(jmp, src, len); 
 jmp += len;
 jmp[0] = 0xE9;
 *(DWORD*)(jmp+1) =(DWORD)(src+len - jmp) - 5;

 src[0] = 0xE9;
 *(DWORD*)(src+1) =(DWORD)(dst - src) - 5;
 for(int i=5; i<len; i++) src[i] = 0x90;
 VirtualProtect(src, len, dwBack, &dwBack);

 return(jmp-len);
}

if(unlAmmo == 1)
{
AmmoCall = 0x803ED4;
DetJmp((BYTE*)ADR_UAMMO,(BYTE*)iAsm_UnlAmmo_Patch,5);
}