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VC: Fix Tommy not shaking his fists with brass knuckles (in all cases) and most post-GTA III weapons (when cars slow down for him)

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Silent 2024-06-05 21:53:13 +02:00
parent 1b7af04886
commit 24ba6cc5c9
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1 changed files with 55 additions and 0 deletions
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55
SilentPatchVC/SilentPatchVC.cpp
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@ -901,6 +901,37 @@ namespace OutroSplashFix
}
// ============= Fix Tommy not shaking his fists with brass knuckles (in all cases) and most post-GTA III weapons (when cars slow down for him) =============
namespace TommyFistShakeWithWeapons
{
struct WeaponInfo
{
std::byte __pad[0x60];
uint32_t m_weaponSlot;
};
static WeaponInfo* (*GetWeaponInfo)(uint32_t weaponID);
static bool WeaponProhibitsFistShake(uint32_t weaponID)
{
const uint32_t weaponSlot = GetWeaponInfo(weaponID)->m_weaponSlot;
const bool bWeaponAllowsFistShake = weaponSlot == 0 || weaponSlot == 1 || weaponSlot == 3 || weaponSlot == 5;
return !bWeaponAllowsFistShake;
}
static __declspec(naked) void CheckWeaponGroupHook()
{
_asm
{
push dword ptr [eax]
call WeaponProhibitsFistShake
add esp, 4
test al, al
retn
}
}
}
void InjectDelayedPatches_VC_Common( bool bHasDebugMenu, const wchar_t* wcModulePath )
{
using namespace Memory;
@ -1888,6 +1919,30 @@ void Patch_VC_Common()
Patch<uint8_t>(alpha_clamp, 0x8B);
}
TXN_CATCH();
// Fix Tommy not shaking his fists with brass knuckles (in all cases)
// and most post-GTA III weapons (when cars slow down for him)
try
{
using namespace TommyFistShakeWithWeapons;
auto weapon_group_1a = pattern("8B 40 60 59 83 F8 01 75 43").get_one();
auto weapon_group_1b = get_pattern("83 F8 01 0F 85 ? ? ? ? 8A 85", 3+1);
auto slow_car_down_for_peds = pattern("89 C7 8B 17 85 D2 74 19").get_one();
auto else_jump = get_pattern("0F 85 ? ? ? ? 8A 83 ? ? ? ? 24 FE");
ReadCall(weapon_group_1a.get<void>(-5), GetWeaponInfo);
// jnz -> ja
Patch<uint8_t>(weapon_group_1a.get<void>(7), 0x77);
Patch<uint8_t>(weapon_group_1b, 0x87);
Nop(slow_car_down_for_peds.get<void>(), 1);
InjectHook(slow_car_down_for_peds.get<void>(1), &CheckWeaponGroupHook, HookType::Call);
InjectHook(slow_car_down_for_peds.get<void>(8), else_jump, HookType::Jump);
}
TXN_CATCH();
}
BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)