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SilentPatch/SilentPatchVC/SilentPatchVC.cpp

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#include "StdAfx.h"
#include "Timer.h"
#include "Utils/Patterns.h"
#include "Common.h"
#include "Common_ddraw.h"
#include "General.h"
#include "ModelInfoVC.h"
#include <memory>
#include <Shlwapi.h>
#include "debugmenu_public.h"
#pragma comment(lib, "shlwapi.lib")
struct RsGlobalType
{
const char* AppName;
unsigned int unkWidth, unkHeight;
signed int MaximumWidth;
signed int MaximumHeight;
unsigned int frameLimit;
BOOL quit;
void* ps;
void* keyboard;
void* mouse;
void* pad;
};
DebugMenuAPI gDebugMenuAPI;
static HMODULE hDLLModule;
static const void* RosieAudioFix_JumpBack;
static void (*PrintString)(float,float,const wchar_t*);
static RsGlobalType* RsGlobal;
static const void* SubtitlesShadowFix_JumpBack;
inline float GetWidthMult()
{
static const float& ResolutionWidthMult = **AddressByVersion<float**>(0x5FA15E, 0x5FA17E, 0x5F9DBE);
return ResolutionWidthMult;
}
inline float GetHeightMult()
{
static const float& ResolutionHeightMult = **AddressByVersion<float**>(0x5FA148, 0x5FA168, 0x5F9DA8);
return ResolutionHeightMult;
}
void __declspec(naked) RosiesAudioFix()
{
_asm
{
mov byte ptr [ebx+0CCh], 0
mov byte ptr [ebx+148h], 0
jmp [RosieAudioFix_JumpBack]
}
}
static bool bGameInFocus = true;
static LRESULT (CALLBACK **OldWndProc)(HWND, UINT, WPARAM, LPARAM);
LRESULT CALLBACK CustomWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
switch ( uMsg )
{
case WM_KILLFOCUS:
bGameInFocus = false;
break;
case WM_SETFOCUS:
bGameInFocus = true;
break;
}
return (*OldWndProc)(hwnd, uMsg, wParam, lParam);
}
static auto* const pCustomWndProc = CustomWndProc;
static void (* const RsMouseSetPos)(RwV2d*) = AddressByVersion<void(*)(RwV2d*)>(0x6030C0, 0x6030A0, 0x602CE0);
static void (*orgConstructRenderList)();
void ResetMousePos()
{
if ( bGameInFocus )
{
RwV2d vecPos = { RsGlobal->MaximumWidth * 0.5f, RsGlobal->MaximumHeight * 0.5f };
RsMouseSetPos(&vecPos);
}
orgConstructRenderList();
}
void __stdcall Recalculate(float& fX, float& fY, signed int nShadow)
{
fX = nShadow * GetWidthMult() * RsGlobal->MaximumWidth;
fY = nShadow * GetHeightMult() * RsGlobal->MaximumHeight;
}
static void AlteredPrintString_Internal(float fX, float fY, float fMarginX, float fMarginY, const wchar_t* pText)
{
PrintString(fX - fMarginX + (fMarginX * GetWidthMult() * RsGlobal->MaximumWidth), fY - fMarginY + (fMarginY * GetHeightMult() * RsGlobal->MaximumHeight), pText);
}
template<uintptr_t pFltX, uintptr_t pFltY>
void AlteredPrintString(float fX, float fY, const wchar_t* pText)
{
const float fMarginX = **reinterpret_cast<float**>(pFltX);
const float fMarginY = **reinterpret_cast<float**>(pFltY);
AlteredPrintString_Internal(fX, fY, fMarginX, fMarginY, pText);
}
template<uintptr_t pFltX, uintptr_t pFltY>
void AlteredPrintStringMinus(float fX, float fY, const wchar_t* pText)
{
const float fMarginX = **reinterpret_cast<float**>(pFltX);
const float fMarginY = **reinterpret_cast<float**>(pFltY);
AlteredPrintString_Internal(fX, fY, -fMarginX, -fMarginY, pText);
}
template<uintptr_t pFltX>
void AlteredPrintStringXOnly(float fX, float fY, const wchar_t* pText)
{
const float fMarginX = **reinterpret_cast<float**>(pFltX);
AlteredPrintString_Internal(fX, fY, fMarginX, 0.0f, pText);
}
template<uintptr_t pFltY>
void AlteredPrintStringYOnly(float fX, float fY, const wchar_t* pText)
{
const float fMarginY = **reinterpret_cast<float**>(pFltY);
AlteredPrintString_Internal(fX, fY, 0.0f, fMarginY, pText);
}
float FixedRefValue()
{
return 1.0f;
}
void __declspec(naked) SubtitlesShadowFix()
{
_asm
{
mov [esp], eax
fild [esp]
push eax
lea eax, [esp+20h-18h]
push eax
lea eax, [esp+24h-14h]
push eax
call Recalculate
jmp SubtitlesShadowFix_JumpBack
}
}
void __declspec(naked) CreateInstance_BikeFix()
{
_asm
{
push eax
mov ecx, ebp
call CVehicleModelInfo::GetExtrasFrame
retn
}
}
extern char** ppUserFilesDir = AddressByVersion<char**>(0x6022AA, 0x60228A, 0x601ECA);
static LARGE_INTEGER FrameTime;
__declspec(safebuffers) int32_t GetTimeSinceLastFrame()
{
LARGE_INTEGER curTime;
QueryPerformanceCounter(&curTime);
return int32_t(curTime.QuadPart - FrameTime.QuadPart);
}
static int (*RsEventHandler)(int, void*);
int NewFrameRender(int nEvent, void* pParam)
{
QueryPerformanceCounter(&FrameTime);
return RsEventHandler(nEvent, pParam);
}
static signed int& LastTimeFireTruckCreated = **AddressByVersion<int**>(0x429435, 0x429435, 0x429405);
static signed int& LastTimeAmbulanceCreated = **AddressByVersion<int**>(0x429449, 0x429449, 0x429419);
static void (*orgCarCtrlReInit)();
void CarCtrlReInit_SilentPatch()
{
orgCarCtrlReInit();
LastTimeFireTruckCreated = 0;
LastTimeAmbulanceCreated = 0;
}
static bool& RespraysAreFree = **AddressByVersion<bool**>(0x430D17, 0x430D17, 0x430CE7);
void GaragesInit_SilentPatch()
{
RespraysAreFree = false;
}
static void (*orgPickNextNodeToChaseCar)(void*, float, float, void*);
static float PickNextNodeToChaseCarZ = 0.0f;
static void PickNextNodeToChaseCarXYZ( void* vehicle, const CVector& vec, void* chaseTarget )
{
PickNextNodeToChaseCarZ = vec.z;
orgPickNextNodeToChaseCar( vehicle, vec.x, vec.y, chaseTarget );
PickNextNodeToChaseCarZ = 0.0f;
}
static char aNoDesktopMode[64];
unsigned int __cdecl AutoPilotTimerCalculation_VC(unsigned int nTimer, int nScaleFactor, float fScaleCoef)
{
return nTimer - static_cast<unsigned int>(nScaleFactor * fScaleCoef);
}
void __declspec(naked) AutoPilotTimerFix_VC()
{
_asm {
push dword ptr[esp + 0xC]
push dword ptr[ebx + 0x10]
push eax
call AutoPilotTimerCalculation_VC
add esp, 0xC
mov [ebx + 0xC], eax
add esp, 0x30
pop ebp
pop ebx
retn 4
}
}
static void (__thiscall *orgGiveWeapon)( void* ped, unsigned int weapon, unsigned int ammo, bool flag );
static void __fastcall GiveWeapon_SP( void* ped, void*, unsigned int weapon, unsigned int ammo, bool flag )
{
if ( ammo == 0 ) ammo = 1;
orgGiveWeapon( ped, weapon, ammo, flag );
}
// ============= Credits! =============
namespace Credits
{
static void (*PrintCreditText)(float scaleX, float scaleY, const wchar_t* text, unsigned int& pos, float timeOffset);
static void (*PrintCreditText_Hooked)(float scaleX, float scaleY, const wchar_t* text, unsigned int& pos, float timeOffset);
static void PrintCreditSpace( float scale, unsigned int& pos )
{
pos += static_cast<unsigned int>( scale * 25.0f );
}
constexpr wchar_t xvChar(const wchar_t ch)
{
constexpr uint8_t xv = SILENTPATCH_REVISION_ID;
return ch ^ xv;
}
constexpr wchar_t operator "" _xv(const char ch)
{
return xvChar(ch);
}
static void PrintSPCredits( float scaleX, float scaleY, const wchar_t* text, unsigned int& pos, float timeOffset )
{
// Original text we intercepted
PrintCreditText_Hooked( scaleX, scaleY, text, pos, timeOffset );
PrintCreditSpace( 1.5f, pos );
{
wchar_t spText[] = { 'A'_xv, 'N'_xv, 'D'_xv, '\0'_xv };
for ( auto& ch : spText ) ch = xvChar(ch);
PrintCreditText( 1.1f, 0.8f, spText, pos, timeOffset );
}
PrintCreditSpace( 1.5f, pos );
{
wchar_t spText[] = { 'A'_xv, 'D'_xv, 'R'_xv, 'I'_xv, 'A'_xv, 'N'_xv, ' '_xv, '\''_xv, 'S'_xv, 'I'_xv, 'L'_xv, 'E'_xv, 'N'_xv, 'T'_xv, '\''_xv, ' '_xv,
'Z'_xv, 'D'_xv, 'A'_xv, 'N'_xv, 'O'_xv, 'W'_xv, 'I'_xv, 'C'_xv, 'Z'_xv, '\0'_xv };
for ( auto& ch : spText ) ch = xvChar(ch);
PrintCreditText( 1.1f, 1.1f, spText, pos, timeOffset );
}
}
}
// ============= Keyboard latency input fix =============
namespace KeyboardInputFix
{
static void* NewKeyState;
static void* OldKeyState;
static void* TempKeyState;
static constexpr size_t objSize = 0x270;
static void (__fastcall *orgClearSimButtonPressCheckers)(void*);
void __fastcall ClearSimButtonPressCheckers(void* pThis)
{
memcpy( OldKeyState, NewKeyState, objSize );
memcpy( NewKeyState, TempKeyState, objSize );
orgClearSimButtonPressCheckers(pThis);
}
}
namespace Localization
{
static int8_t forcedUnits = -1; // 0 - metric, 1 - imperial
bool IsMetric_LocaleBased()
{
if ( forcedUnits != -1 ) return forcedUnits == 0;
unsigned int LCData;
if ( GetLocaleInfo( LOCALE_USER_DEFAULT, LOCALE_IMEASURE|LOCALE_RETURN_NUMBER, reinterpret_cast<LPTSTR>(&LCData), sizeof(LCData) / sizeof(TCHAR) ) != 0 )
{
return LCData == 0;
}
// If fails, default to metric. Hopefully never fails though
return true;
}
static void (__thiscall* orgUpdateCompareFlag_IsMetric)(void* pThis, uint8_t flag);
void __fastcall UpdateCompareFlag_IsMetric(void* pThis, void*, uint8_t)
{
std::invoke( orgUpdateCompareFlag_IsMetric, pThis, IsMetric_LocaleBased() );
}
uint32_t PrefsLanguage_IsMetric()
{
return IsMetric_LocaleBased();
}
}
void InjectDelayedPatches_VC_Common( bool bHasDebugMenu, const wchar_t* wcModulePath )
{
// Locale based metric/imperial system INI/debug menu
{
using namespace Localization;
forcedUnits = static_cast<int8_t>(GetPrivateProfileIntW(L"SilentPatch", L"Units", -1, wcModulePath));
if ( bHasDebugMenu )
{
static const char * const str[] = { "Default", "Metric", "Imperial" };
DebugMenuEntry *e = DebugMenuAddVar( "SilentPatch", "Forced units", &forcedUnits, nullptr, 1, -1, 1, str );
DebugMenuEntrySetWrap(e, true);
}
}
}
void InjectDelayedPatches_VC_Common()
{
std::unique_ptr<ScopedUnprotect::Unprotect> Protect = ScopedUnprotect::UnprotectSectionOrFullModule( GetModuleHandle( nullptr ), ".text" );
// Obtain a path to the ASI
wchar_t wcModulePath[MAX_PATH];
GetModuleFileNameW(hDLLModule, wcModulePath, _countof(wcModulePath) - 3); // Minus max required space for extension
PathRenameExtensionW(wcModulePath, L".ini");
const bool hasDebugMenu = DebugMenuLoad();
InjectDelayedPatches_VC_Common( hasDebugMenu, wcModulePath );
Common::Patches::III_VC_DelayedCommon( hasDebugMenu, wcModulePath );
}
void Patch_VC_10(const RECT& desktop)
{
using namespace Memory;
PrintString = (void(*)(float,float,const wchar_t*))0x551040;
RsGlobal = *(RsGlobalType**)0x602D32;
RosieAudioFix_JumpBack = (void*)0x42BFFE;
SubtitlesShadowFix_JumpBack = (void*)0x551701;
Patch<BYTE>(0x43E983, 16);
Patch<BYTE>(0x43EC03, 16);
Patch<BYTE>(0x43EECB, 16);
Patch<BYTE>(0x43F52B, 16);
Patch<BYTE>(0x43F842, 16);
Patch<BYTE>(0x48EB27, 16);
Patch<BYTE>(0x541E7E, 16);
InjectHook(0x5433BD, FixedRefValue);
InjectHook(0x42BFF7, RosiesAudioFix, PATCH_JUMP);
InjectHook(0x5516FC, SubtitlesShadowFix, PATCH_JUMP);
Patch<BYTE>(0x5517C4, 0xD9);
Patch<BYTE>(0x5517DF, 0xD9);
Patch<BYTE>(0x551832, 0xD9);
Patch<BYTE>(0x551848, 0xD9);
Patch<BYTE>(0x5517E2, 0x34-0x14);
Patch<BYTE>(0x55184B, 0x34-0x14);
Patch<BYTE>(0x5517C7, 0x28-0x18);
Patch<BYTE>(0x551835, 0x24-0x18);
Patch<BYTE>(0x5516FB, 0x90);
InjectHook(0x5FA1FD, AlteredPrintString<0x5FA1F6,0x5FA1D5>);
InjectHook(0x54474D, AlteredPrintStringMinus<0x544727,0x544727>);
// Mouse fucking fix!
Patch<DWORD>(0x601740, 0xC3C030);
// (Hopefully) more precise frame limiter
ReadCall( 0x6004A2, RsEventHandler );
InjectHook(0x6004A2, NewFrameRender);
InjectHook(0x600449, GetTimeSinceLastFrame);
// RsMouseSetPos call (SA style fix)
ReadCall( 0x4A5E45, orgConstructRenderList );
InjectHook(0x4A5E45, ResetMousePos);
// New wndproc
OldWndProc = *(LRESULT (CALLBACK***)(HWND, UINT, WPARAM, LPARAM))0x601727;
Patch(0x601727, &pCustomWndProc);
// Y axis sensitivity fix
// By ThirteenAG
float* sens = *(float**)0x4796E5;
Patch<const void*>(0x479410 + 0x2E0 + 0x2, sens);
Patch<const void*>(0x47A20E + 0x27D + 0x2, sens);
Patch<const void*>(0x47AE27 + 0x1CC + 0x2, sens);
Patch<const void*>(0x47BE8F + 0x22E + 0x2, sens);
Patch<const void*>(0x481AB3 + 0x4FE + 0x2, sens);
// Don't lock mouse Y axis during fadeins
Patch<BYTE>(0x47C11E, 0xEB);
Patch<BYTE>(0x47CD94, 0xEB);
Nop(0x47C15A, 2);
// Scan for A/B drives looking for audio files
Patch<DWORD>(0x5D7941, 'A');
Patch<DWORD>(0x5D7B04, 'A');
// ~x~ as cyan blip
// Shared with GInput
Patch<BYTE>(0x550481, 0);
Patch<BYTE>(0x550488, 255);
Patch<BYTE>(0x55048F, 255);
Patch<BYTE>(0x5505FF, 0);
Patch<BYTE>(0x550603, 255);
Patch<BYTE>(0x550607, 255);
// Corrected crime codes
Patch<DWORD>(0x5FDDDB, 0xC5);
// Reinit CCarCtrl fields (firetruck and ambulance generation)
ReadCall( 0x4A489B, orgCarCtrlReInit );
InjectHook(0x4A489B, CarCtrlReInit_SilentPatch);
// Reinit free resprays flag
InjectHook(0x4349BB, GaragesInit_SilentPatch, PATCH_JUMP);
// Fixed ammo for melee weapons in cheats
Patch<BYTE>(0x4AED14+1, 1); // katana
Patch<BYTE>(0x4AEB74+1, 1); // chainsaw
// Fixed crash related to autopilot timing calculations
InjectHook(0x418FAE, AutoPilotTimerFix_VC, PATCH_JUMP);
// Adblocker
#if DISABLE_FLA_DONATION_WINDOW
if ( *(DWORD*)0x5FFAE9 != 0x006A026A )
{
Patch<DWORD>(0x5FFAE9, 0x006A026A);
Patch<WORD>(0x5FFAED, 0x006A);
}
#endif
Common::Patches::DDraw_VC_10( desktop, aNoDesktopMode );
}
void Patch_VC_11(const RECT& desktop)
{
using namespace Memory;
PrintString = (void(*)(float,float,const wchar_t*))0x551060;
RsGlobal = *(RsGlobalType**)0x602D12;
RosieAudioFix_JumpBack = (void*)0x42BFFE;
SubtitlesShadowFix_JumpBack = (void*)0x551721;
Patch<BYTE>(0x43E983, 16);
Patch<BYTE>(0x43EC03, 16);
Patch<BYTE>(0x43EECB, 16);
Patch<BYTE>(0x43F52B, 16);
Patch<BYTE>(0x43F842, 16);
Patch<BYTE>(0x48EB37, 16);
Patch<BYTE>(0x541E9E, 16);
InjectHook(0x5433DD, FixedRefValue);
InjectHook(0x42BFF7, RosiesAudioFix, PATCH_JUMP);
InjectHook(0x55171C, SubtitlesShadowFix, PATCH_JUMP);
Patch<BYTE>(0x5517E4, 0xD9);
Patch<BYTE>(0x5517FF, 0xD9);
Patch<BYTE>(0x551852, 0xD9);
Patch<BYTE>(0x551868, 0xD9);
Patch<BYTE>(0x551802, 0x34-0x14);
Patch<BYTE>(0x55186B, 0x34-0x14);
Patch<BYTE>(0x5517E7, 0x28-0x18);
Patch<BYTE>(0x551855, 0x24-0x18);
Patch<BYTE>(0x55171B, 0x90);
InjectHook(0x5FA21D, AlteredPrintString<0x5FA216,0x5FA1F5>);
InjectHook(0x54476D, AlteredPrintStringMinus<0x544747,0x544747>);
// Mouse fucking fix!
Patch<DWORD>(0x601770, 0xC3C030);
// (Hopefully) more precise frame limiter
ReadCall( 0x6004C2, RsEventHandler );
InjectHook(0x6004C2, NewFrameRender);
InjectHook(0x600469, GetTimeSinceLastFrame);
// RsMouseSetPos call (SA style fix)
ReadCall( 0x4A5E65, orgConstructRenderList );
InjectHook(0x4A5E65, ResetMousePos);
// New wndproc
OldWndProc = *(LRESULT (CALLBACK***)(HWND, UINT, WPARAM, LPARAM))0x601757;
Patch(0x601757, &pCustomWndProc);
// Y axis sensitivity fix
// By ThirteenAG
float* sens = *(float**)0x4796E5;
Patch<const void*>(0x479410 + 0x2E0 + 0x2, sens);
Patch<const void*>(0x47A20E + 0x27D + 0x2, sens);
Patch<const void*>(0x47AE27 + 0x1CC + 0x2, sens);
Patch<const void*>(0x47BE8F + 0x22E + 0x2, sens);
Patch<const void*>(0x481AB3 + 0x4FE + 0x2, sens);
// Don't lock mouse Y axis during fadeins
Patch<BYTE>(0x47C11E, 0xEB);
Patch<BYTE>(0x47CD94, 0xEB);
Nop(0x47C15A, 2);
// Scan for A/B drives looking for audio files
Patch<DWORD>(0x5D7961, 'A');
Patch<DWORD>(0x5D7B24, 'A');
// ~x~ as cyan blip
// Shared with GInput
Patch<BYTE>(0x5504A1, 0);
Patch<BYTE>(0x5504A8, 255);
Patch<BYTE>(0x5504AF, 255);
Patch<BYTE>(0x55061F, 0);
Patch<BYTE>(0x550623, 255);
Patch<BYTE>(0x550627, 255);
// Corrected crime codes
Patch<DWORD>(0x5FDDFB, 0xC5);
// Reinit CCarCtrl fields (firetruck and ambulance generation)
ReadCall( 0x4A48BB, orgCarCtrlReInit );
InjectHook(0x4A48BB, CarCtrlReInit_SilentPatch);
// Reinit free resprays flag
InjectHook(0x4349BB, GaragesInit_SilentPatch, PATCH_JUMP);
// Fixed ammo for melee weapons in cheats
Patch<BYTE>(0x4AED34+1, 1); // katana
Patch<BYTE>(0x4AEB94+1, 1); // chainsaw
// Fixed crash related to autopilot timing calculations
InjectHook(0x418FAE, AutoPilotTimerFix_VC, PATCH_JUMP);
Common::Patches::DDraw_VC_11( desktop, aNoDesktopMode );
}
void Patch_VC_Steam(const RECT& desktop)
{
using namespace Memory;
PrintString = (void(*)(float,float,const wchar_t*))0x550F30;
RsGlobal = *(RsGlobalType**)0x602952;
RosieAudioFix_JumpBack = (void*)0x42BFCE;
SubtitlesShadowFix_JumpBack = (void*)0x5515F1;
Patch<BYTE>(0x43E8F3, 16);
Patch<BYTE>(0x43EB73, 16);
Patch<BYTE>(0x43EE3B, 16);
Patch<BYTE>(0x43F49B, 16);
Patch<BYTE>(0x43F7B2, 16);
Patch<BYTE>(0x48EA37, 16);
Patch<BYTE>(0x541D6E, 16);
InjectHook(0x5432AD, FixedRefValue);
InjectHook(0x42BFC7, RosiesAudioFix, PATCH_JUMP);
InjectHook(0x5515EC, SubtitlesShadowFix, PATCH_JUMP);
Patch<BYTE>(0x5516B4, 0xD9);
Patch<BYTE>(0x5516CF, 0xD9);
Patch<BYTE>(0x551722, 0xD9);
Patch<BYTE>(0x551738, 0xD9);
Patch<BYTE>(0x5516D2, 0x34-0x14);
Patch<BYTE>(0x55173B, 0x34-0x14);
Patch<BYTE>(0x5516B7, 0x28-0x18);
Patch<BYTE>(0x551725, 0x24-0x18);
Patch<BYTE>(0x5515EB, 0x90);
InjectHook(0x5F9E5D, AlteredPrintString<0x5F9E56,0x5F9E35>);
InjectHook(0x54463D, AlteredPrintStringMinus<0x544617,0x544617>);
// Mouse fucking fix!
Patch<DWORD>(0x6013B0, 0xC3C030);
// (Hopefully) more precise frame limiter
ReadCall( 0x600102, RsEventHandler );
InjectHook(0x600102, NewFrameRender);
InjectHook(0x6000A9, GetTimeSinceLastFrame);
// RsMouseSetPos call (SA style fix)
ReadCall( 0x4A5D15, orgConstructRenderList );
InjectHook(0x4A5D15, ResetMousePos);
// New wndproc
OldWndProc = *(LRESULT (CALLBACK***)(HWND, UINT, WPARAM, LPARAM))0x601397;
Patch(0x601397, &pCustomWndProc);
// Y axis sensitivity fix
// By ThirteenAG
float* sens = *(float**)0x4795C5;
Patch<const void*>(0x4792F0 + 0x2E0 + 0x2, sens);
Patch<const void*>(0x47A0EE + 0x27D + 0x2, sens);
Patch<const void*>(0x47AD07 + 0x1CC + 0x2, sens);
Patch<const void*>(0x47BD6F + 0x22E + 0x2, sens);
Patch<const void*>(0x481993 + 0x4FE + 0x2, sens);
// Don't lock mouse Y axis during fadeins
Patch<BYTE>(0x47BFFE, 0xEB);
Patch<BYTE>(0x47CC74, 0xEB);
Nop(0x47C03A, 2);
// Scan for A/B drives looking for audio files
Patch<DWORD>(0x5D7764, 'A');
// ~x~ as cyan blip
// Shared with GInput
Patch<BYTE>(0x550371, 0);
Patch<BYTE>(0x550378, 255);
Patch<BYTE>(0x55037F, 255);
Patch<BYTE>(0x5504EF, 0);
Patch<BYTE>(0x5504F3, 255);
Patch<BYTE>(0x5504F7, 255);
// Corrected crime codes
Patch<DWORD>(0x5FDA3B, 0xC5);
// Reinit CCarCtrl fields (firetruck and ambulance generation)
ReadCall( 0x4A475B, orgCarCtrlReInit );
InjectHook(0x4A475B, CarCtrlReInit_SilentPatch);
// Reinit free resprays flag
InjectHook(0x43497B, GaragesInit_SilentPatch, PATCH_JUMP);
// Fixed ammo for melee weapons in cheats
Patch<BYTE>(0x4AEA44+1, 1); // katana
Patch<BYTE>(0x4AEBE4+1, 1); // chainsaw
// Fixed crash related to autopilot timing calculations
InjectHook(0x418FAE, AutoPilotTimerFix_VC, PATCH_JUMP);
Common::Patches::DDraw_VC_Steam( desktop, aNoDesktopMode );
}
void Patch_VC_JP()
{
using namespace Memory;
// Y axis sensitivity fix
// By ThirteenAG
Patch<DWORD>(0x4797E7 + 0x2E0 + 0x2, 0x94ABD8);
Patch<DWORD>(0x47A5E5 + 0x27D + 0x2, 0x94ABD8);
Patch<DWORD>(0x47B1FE + 0x1CC + 0x2, 0x94ABD8);
Patch<DWORD>(0x47C266 + 0x22E + 0x2, 0x94ABD8);
Patch<DWORD>(0x481E8A + 0x4FE + 0x2, 0x94ABD8);
}
void Patch_VC_Common()
{
using namespace Memory;
using namespace hook;
// New timers fix
{
auto hookPoint = pattern( "83 E4 F8 89 44 24 08 C7 44 24 0C 00 00 00 00 DF 6C 24 08" ).get_one();
auto jmpPoint = get_pattern( "DD D8 E9 31 FF FF FF" );
InjectHook( hookPoint.get<void>( 0x21 ), CTimer::Update_SilentPatch, PATCH_CALL );
InjectHook( hookPoint.get<void>( 0x21 + 5 ), jmpPoint, PATCH_JUMP );
}
// Alt+F4
{
auto addr = pattern( "59 59 31 C0 83 C4 70 5D 5F 5E 5B C2 10 00" ).count(2);
auto dest = get_pattern( "53 55 56 FF B4 24 90 00 00 00 FF 15" );
addr.for_each_result( [&]( pattern_match match ) {
InjectHook( match.get<void>( 2 ), dest, PATCH_JUMP );
});
}
// Proper panels damage
{
auto addr = pattern( "C6 41 09 03 C6 41 0A 03 C6 41 0B 03" ).get_one();
// or dword ptr[ecx+14], 3300000h
// nop
Patch( addr.get<void>( 0x18 ), { 0x81, 0x49, 0x14, 0x00, 0x00, 0x30, 0x03 } );
Nop( addr.get<void>( 0x18 + 7 ), 13 );
Nop( addr.get<void>( 0x33 ), 7 );
}
// Proper metric-imperial conversion constants
{
static const float METERS_TO_MILES = 0.0006213711922f;
auto addr = pattern( "75 ? D9 05 ? ? ? ? D8 0D ? ? ? ? 6A 00 6A 00 D9 9C 24" ).count(6);
addr.for_each_result( [&]( pattern_match match ) {
Patch<const void*>( match.get<void>( 0x8 + 2 ), &METERS_TO_MILES );
});
auto sum = get_pattern( "D9 9C 24 A8 00 00 00 8D 84 24 A8 00 00 00 50", -6 + 2 );
Patch<const void*>( sum, &METERS_TO_MILES );
}
// Improved pathfinding in PickNextNodeAccordingStrategy - PickNextNodeToChaseCar with XYZ coords
{
auto addr = pattern( "E8 ? ? ? ? 50 8D 44 24 10 50 E8" ).get_one();
ReadCall( addr.get<void>( 0x25 ), orgPickNextNodeToChaseCar );
const uintptr_t funcAddr = (uintptr_t)get_pattern( "8B 9C 24 BC 00 00 00 66 8B B3 A6 01 00 00 66 85 F6", -0xA );
InjectHook( funcAddr - 5, PickNextNodeToChaseCarXYZ, PATCH_JUMP ); // For plugin-sdk
// push PickNextNodeToChaseCarZ instead of 0.0f
// mov ecx, [PickNextNodeToChaseCarZ]
// mov [esp+0B8h+var_2C], ecx
Patch( funcAddr + 0x5D, { 0x8B, 0x0D } );
Patch<const void*>( funcAddr + 0x5D + 2, &PickNextNodeToChaseCarZ );
Patch( funcAddr + 0x5D + 6, { 0x89, 0x8C, 0x24, 0x8C, 0x00, 0x00, 0x00 } );
// lea eax, [ecx+edx*4] -> lea eax, [edx+edx*4]
Patch<uint8_t>( funcAddr + 0x6E + 2, 0x92 );
// lea eax, [esp+20h+var_10]
// push eax
// nop...
Patch( addr.get<void>( 0x10 ), { 0x83, 0xC4, 0x04, 0x8D, 0x44, 0x24, 0x10, 0x50, 0xEB, 0x0A } );
InjectHook( addr.get<void>( 0x25 ), PickNextNodeToChaseCarXYZ );
Patch<uint8_t>( addr.get<void>( 0x2A + 2 ), 0xC );
// push edx
// nop...
Patch<uint8_t>( addr.get<void>( 0x3E ), 0x52 );
Nop( addr.get<void>( 0x3E + 1 ), 6 );
InjectHook( addr.get<void>( 0x46 ), PickNextNodeToChaseCarXYZ );
Patch<uint8_t>( addr.get<void>( 0x4B + 2 ), 0xC );
}
// No censorships
{
auto addr = get_pattern( "8B 43 50 85 C0 8B 53 50 74 2B 83 E8 01" );
Patch( addr, { 0x83, 0xC4, 0x08, 0x5B, 0xC3 } ); // add esp, 8 \ pop ebx \ retn
}
// 014C cargen counter fix (by spaceeinstein)
{
auto do_processing = pattern( "0F B7 43 28 83 F8 FF 7D 04 66 FF 4B 28" ).get_one();
Patch<uint8_t>( do_processing.get<uint8_t*>(1), 0xBF ); // movzx eax, word ptr [ebx+28h] -> movsx eax, word ptr [ebx+28h]
Patch<uint8_t>( do_processing.get<uint8_t*>(7), 0x74 ); // jge -> jz
}
// Fixed ammo from SCM
{
auto give_weapon = get_pattern( "6B C0 2E 6A 01 56 8B 3C", 0x15 );
ReadCall( give_weapon, orgGiveWeapon );
InjectHook( give_weapon, GiveWeapon_SP );
give_weapon = get_pattern( "89 F9 6A 01 55 50 E8", 6 );
InjectHook( give_weapon, GiveWeapon_SP );
}
// Extras working correctly on bikes
{
auto createInstance = get_pattern( "89 C1 8B 41 04" );
InjectHook( createInstance, CreateInstance_BikeFix, PATCH_CALL );
}
// Credits =)
{
auto renderCredits = pattern( "8D 44 24 28 83 C4 14 50 FF 35 ? ? ? ? E8 ? ? ? ? 8D 44 24 1C 59 59 50 FF 35 ? ? ? ? E8 ? ? ? ? 59 59" ).get_one();
ReadCall( renderCredits.get<void>( -50 ), Credits::PrintCreditText );
ReadCall( renderCredits.get<void>( -5 ), Credits::PrintCreditText_Hooked );
InjectHook( renderCredits.get<void>( -5 ), Credits::PrintSPCredits );
}
// Decreased keyboard input latency
{
using namespace KeyboardInputFix;
auto updatePads = pattern( "66 8B 42 1A" ).get_one();
void* jmpDest = get_pattern( "66 A3 ? ? ? ? 5F", 6 );
void* simButtonCheckers = get_pattern( "56 57 B3 01", 0x16 );
NewKeyState = *updatePads.get<void*>( 0x27 + 1 );
OldKeyState = *updatePads.get<void*>( 4 + 1 );
TempKeyState = *updatePads.get<void*>( 0x270 + 1 );
ReadCall( simButtonCheckers, orgClearSimButtonPressCheckers );
InjectHook( simButtonCheckers, ClearSimButtonPressCheckers );
InjectHook( updatePads.get<void>( 9 ), jmpDest, PATCH_JUMP );
}
// Locale based metric/imperial system
{
using namespace Localization;
void* updateCompareFlag = get_pattern( "89 D9 6A 00 E8 ? ? ? ? 30 C0 83 C4 70 5D 5F 5E 5B C2 04 00", 4 );
ReadCall( updateCompareFlag, orgUpdateCompareFlag_IsMetric );
InjectHook( updateCompareFlag, UpdateCompareFlag_IsMetric );
// Stats
auto constructStatLine = pattern( "85 C0 74 11 83 E8 01 83 F8 03" ).get_one();
Nop( constructStatLine.get<void>( -11 ), 1 );
InjectHook( constructStatLine.get<void>( -11 + 1 ), PrefsLanguage_IsMetric, PATCH_CALL );
Nop( constructStatLine.get<void>( -2 ), 2 );
}
}
BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
{
UNREFERENCED_PARAMETER(hinstDLL);
UNREFERENCED_PARAMETER(lpvReserved);
if ( fdwReason == DLL_PROCESS_ATTACH )
{
hDLLModule = hinstDLL;
RECT desktop;
GetWindowRect(GetDesktopWindow(), &desktop);
sprintf_s(aNoDesktopMode, "Cannot find %dx%dx32 video mode", desktop.right, desktop.bottom);
// This scope is mandatory so Protect goes out of scope before rwcseg gets fixed
{
std::unique_ptr<ScopedUnprotect::Unprotect> Protect = ScopedUnprotect::UnprotectSectionOrFullModule( GetModuleHandle( nullptr ), ".text" );
const int8_t version = Memory::GetVersion().version;
if ( version == 0 ) Patch_VC_10(desktop);
else if ( version == 1 ) Patch_VC_11(desktop);
else if ( version == 2 ) Patch_VC_Steam(desktop);
// Y axis sensitivity only
else if (*(DWORD*)0x601048 == 0x5E5F5D60) Patch_VC_JP();
Patch_VC_Common();
Common::Patches::III_VC_Common();
Common::Patches::DDraw_Common();
Common::Patches::III_VC_SetDelayedPatchesFunc( InjectDelayedPatches_VC_Common );
}
Common::Patches::FixRwcseg_Patterns();
}
return TRUE;
}
extern "C" __declspec(dllexport)
uint32_t GetBuildNumber()
{
return (SILENTPATCH_REVISION_ID << 8) | SILENTPATCH_BUILD_ID;
}
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