mirror of
https://github.com/CookiePLMonster/SilentPatch.git
synced 2024-12-28 14:53:01 +05:00
SilentPatchVC: Add GCC-style inline assembly statements
This also includes a small wrapper to call a C++ function from GCC-style inline ASM These statements almost work on llvm-mingw too (but there's some stubborn call instructions)
This commit is contained in:
Echo J
parent
8362b0a1d0
commit
dc04c3ca39
1 changed files with 172 additions and 0 deletions
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@ -671,6 +671,7 @@ float FixedRefValue()
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__declspec(naked) void SubtitlesShadowFix()
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{
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#ifdef MSC_VER
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_asm
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{
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mov [esp], eax
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@ -683,10 +684,33 @@ __declspec(naked) void SubtitlesShadowFix()
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call Recalculate
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jmp SubtitlesShadowFix_JumpBack
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}
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#else
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__asm__ volatile
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(
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"mov [esp], eax\n"
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"fild dword ptr [esp]\n"
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"push eax\n"
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"lea eax, [esp+0x20-0x18]\n"
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"push eax\n"
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"lea eax, [esp+0x24-0x14]\n"
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"push eax\n"
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"call %[Recalculate]\n"
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"jmp %[SubtitlesShadowFix_JumpBack]"
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:: [Recalculate] "i" (Recalculate),
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[SubtitlesShadowFix_JumpBack] "m" (SubtitlesShadowFix_JumpBack)
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);
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#endif
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}
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// C-style wrapper for calling a C++ function in GCC-style inline assembly (the function signature is really important here)
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RwFrame* __thiscall CVehicleModelInfo_GetExtrasFrame(CVehicleModelInfo* modelInfo, RpClump* clump)
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{
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return modelInfo->GetExtrasFrame(clump);
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}
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__declspec(naked) void CreateInstance_BikeFix()
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{
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#ifdef MSC_VER
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_asm
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{
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push eax
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@ -694,6 +718,16 @@ __declspec(naked) void CreateInstance_BikeFix()
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call CVehicleModelInfo::GetExtrasFrame
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ret
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}
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#else
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__asm__ volatile
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(
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"push eax\n"
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"mov ecx, ebp\n"
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"call %[CVehicleModelInfo_GetExtrasFrame]\n"
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"ret"
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:: [CVehicleModelInfo_GetExtrasFrame] "i" (CVehicleModelInfo_GetExtrasFrame)
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);
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#endif
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}
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char** ppUserFilesDir = AddressByVersion<char**>(0x6022AA, 0x60228A, 0x601ECA);
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@ -733,6 +767,7 @@ unsigned int __cdecl AutoPilotTimerCalculation_VC(unsigned int nTimer, int nScal
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__declspec(naked) void AutoPilotTimerFix_VC()
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{
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#ifdef MSC_VER
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_asm
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{
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push dword ptr [esp + 0xC]
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@ -746,6 +781,22 @@ __declspec(naked) void AutoPilotTimerFix_VC()
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pop ebx
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ret 4
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}
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#else
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__asm__ volatile
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(
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"push dword ptr [esp + 0xC]\n"
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"push dword ptr [ebx + 0x10]\n"
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"push eax\n"
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"call %[AutoPilotTimerCalculation_VC]\n"
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"add esp, 0xC\n"
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"mov [ebx + 0xC], eax\n"
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"add esp, 0x30\n"
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"pop ebp\n"
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"pop ebx\n"
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"ret 4"
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:: [AutoPilotTimerCalculation_VC] "i" (AutoPilotTimerCalculation_VC)
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);
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#endif
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}
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@ -866,6 +917,7 @@ namespace SirenSwitchingFix
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{
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__declspec(naked) static void IsFBIRanchOrFBICar()
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{
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#ifdef MSC_VER
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_asm
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{
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mov dword ptr [esi+0x1C], 0x1C
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@ -882,6 +934,24 @@ namespace SirenSwitchingFix
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xor al, al
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ret
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}
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#else
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__asm__ volatile
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(
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"mov dword ptr [esi+0x1C], 0x1C\n"
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// al = 0 - high pitched siren
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// al = 1 - normal siren
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"cmp dword ptr [ebp+0x14], 90\n" // fbiranch
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"je IsFBIRanchOrFBICar_HighPitchSiren\n"
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"cmp dword ptr [ebp+0x14], 17\n" // fbicar
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"setne al\n"
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"ret\n"
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"IsFBIRanchOrFBICar_HighPitchSiren:\n"
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"xor al, al\n"
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"ret"
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);
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#endif
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}
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}
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@ -950,6 +1020,7 @@ namespace RemoveDriverStatusFix
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{
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// if (m_nStatus != STATUS_WRECKED)
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// m_nStatus = STATUS_ABANDONED;
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#ifdef MSC_VER
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_asm
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{
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mov cl, [ebx+0x50]
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@ -963,6 +1034,21 @@ namespace RemoveDriverStatusFix
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DontSetStatus:
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ret
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}
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#else
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__asm__ volatile
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(
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"mov cl, [ebx+0x50]\n"
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"mov al, cl\n"
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"and cl, 0xF8\n"
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"cmp cl, 0x28\n"
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"je DontSetStatus\n"
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"and al, 7\n"
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"or al, 0x20\n"
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"DontSetStatus:\n"
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"ret"
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);
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#endif
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}
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}
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@ -1035,12 +1121,22 @@ namespace NullTerminatedLines
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static void* orgSscanf_LoadPath;
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__declspec(naked) static void sscanf1_LoadPath_Terminate()
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{
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#ifdef MSC_VER
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_asm
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{
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mov eax, [esp+4]
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mov byte ptr [eax+ecx], 0
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jmp orgSscanf_LoadPath
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}
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#else
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__asm__ volatile
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(
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"mov eax, [esp+4]\n"
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"mov byte ptr [eax+ecx], 0\n"
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"jmp %[orgSscanf_LoadPath]"
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:: [orgSscanf_LoadPath] "m" (orgSscanf_LoadPath)
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);
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#endif
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}
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}
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@ -1065,16 +1161,26 @@ namespace PickupEffectsFixes
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{
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__declspec(naked) static void PickUpEffects_BigDollarColor()
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{
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#ifdef MSC_VER
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_asm
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{
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mov byte ptr [esp+0x184-0x170], 0
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mov dword ptr [esp+0x184-0x174], 37
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ret
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}
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#else
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__asm__ volatile
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(
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"mov byte ptr [esp+0x184-0x170], 0\n"
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"mov dword ptr [esp+0x184-0x174], 37\n"
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"ret"
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);
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#endif
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}
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__declspec(naked) static void PickUpEffects_Minigun2Glow()
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{
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#ifdef MSC_VER
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_asm
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{
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cmp ecx, 294 // minigun2
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@ -1090,6 +1196,23 @@ namespace PickupEffectsFixes
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mov ebx, ecx
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ret
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}
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#else
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__asm__ volatile
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(
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"cmp ecx, 294\n" // minigun2
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"jnz NotMinigun2\n"
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"mov byte ptr [esp+0x184-0x170], 0\n"
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"xor eax, eax\n"
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"jmp Return\n"
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"NotMinigun2:\n"
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"lea eax, [ecx+1]\n"
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"Return:\n"
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"mov ebx, ecx\n"
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"ret"
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);
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#endif
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}
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}
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@ -1106,6 +1229,7 @@ namespace IsPlayerTargettingCharFix
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__declspec(naked) static void IsPlayerTargettingChar_ExtraChecks()
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{
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// After this extra block of code, there is a jz Return, so set ZF to 0 here if this path is to be entered
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#ifdef MSC_VER
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_asm
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{
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test bl, bl
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@ -1126,6 +1250,31 @@ namespace IsPlayerTargettingCharFix
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xor al, al
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ret
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}
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#else
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__asm__ volatile
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(
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"test bl, bl\n"
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"jnz ReturnToUpdateCompareFlag\n"
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"mov eax, %[bUseMouse3rdPerson]\n"
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"cmp byte ptr [eax], 0\n"
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"jne CmpAndReturn\n"
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"mov ecx, %[TheCamera]\n"
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"call %[Using1stPersonWeaponMode]\n"
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"test al, al\n"
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"jz ReturnToUpdateCompareFlag\n"
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"CmpAndReturn:\n"
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"cmp byte ptr [esp+0x11C-0x10C], 0\n"
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"ret\n"
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"ReturnToUpdateCompareFlag:\n"
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"xor al, al\n"
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"ret"
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:: [bUseMouse3rdPerson] "m" (bUseMouse3rdPerson),
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[TheCamera] "m" (TheCamera),
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[Using1stPersonWeaponMode] "m" (Using1stPersonWeaponMode)
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);
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#endif
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}
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}
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@ -1211,6 +1360,7 @@ namespace SelectableBackfaceCulling
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static void* EntityRender_Prologue_JumpBack;
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__declspec(naked) static void __fastcall EntityRender_Original(CEntity*)
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{
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#ifdef MSC_VER
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_asm
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{
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push ebx
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@ -1218,6 +1368,16 @@ namespace SelectableBackfaceCulling
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cmp dword ptr [ebx+0x4C], 0
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jmp EntityRender_Prologue_JumpBack
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}
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#else
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__asm__ volatile
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(
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"push ebx\n"
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"mov ebx, ecx\n"
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"cmp dword ptr [ebx+0x4C], 0\n"
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"jmp %[EntityRender_Prologue_JumpBack]"
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:: [EntityRender_Prologue_JumpBack] "m" (EntityRender_Prologue_JumpBack)
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);
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#endif
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}
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static bool ShouldDisableBackfaceCulling(const CEntity* entity)
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@ -1393,6 +1553,7 @@ namespace TommyFistShakeWithWeapons
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__declspec(naked) static void CheckWeaponGroupHook()
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{
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#ifdef MSC_VER
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_asm
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{
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push dword ptr [eax]
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@ -1401,6 +1562,17 @@ namespace TommyFistShakeWithWeapons
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test al, al
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ret
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}
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#else
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__asm__ volatile
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(
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"push dword ptr [eax]\n"
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"call %[WeaponProhibitsFistShake]\n"
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"add esp, 4\n"
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"test al, al\n"
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"ret"
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:: [WeaponProhibitsFistShake] "i" (WeaponProhibitsFistShake)
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);
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#endif
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}
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template<std::size_t Index>
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