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SilentPatch/SilentPatchIII/SilentPatchIII.cpp

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#include "StdAfx.h"
#include "General.h"
#include "Timer.h"
#include "Utils/Patterns.h"
#include "Common.h"
#include "Common_ddraw.h"
#include <memory>
#include <Shlwapi.h>
#include "debugmenu_public.h"
#pragma comment(lib, "shlwapi.lib")
struct PsGlobalType
{
HWND window;
DWORD instance;
DWORD fullscreen;
DWORD lastMousePos_X;
DWORD lastMousePos_Y;
DWORD unk;
DWORD diInterface;
DWORD diMouse;
void* diDevice1;
void* diDevice2;
};
struct RsGlobalType
{
const char* AppName;
unsigned int unkWidth, unkHeight;
signed int MaximumWidth;
signed int MaximumHeight;
unsigned int frameLimit;
BOOL quit;
PsGlobalType* ps;
void* keyboard;
void* mouse;
void* pad;
};
struct RwV2d
{
float x; /**< X value*/
float y; /**< Y value */
};
DebugMenuAPI gDebugMenuAPI;
static HMODULE hDLLModule;
static void (*DrawRect)(const CRect&,const CRGBA&);
static void (*SetScale)(float,float);
static int* InstantHitsFiredByPlayer;
static const void* HeadlightsFix_JumpBack;
void (__stdcall *AudioResetTimers)(unsigned int);
static void (*PrintString)(float,float,const wchar_t*);
static bool* bWantsToDrawHud;
static bool* bCamCheck;
static RsGlobalType* RsGlobal;
static const void* SubtitlesShadowFix_JumpBack;
inline float GetWidthMult()
{
static const float& ResolutionWidthMult = **AddressByVersion<float**>(0x57E956, 0x57ECA6, 0x57EBA6);
return ResolutionWidthMult;
}
inline float GetHeightMult()
{
static const float& ResolutionHeightMult = **AddressByVersion<float**>(0x57E940, 0x57EC90, 0x57EB90);
return ResolutionHeightMult;
}
void ShowRadarTrace(float fX, float fY, unsigned int nScale, BYTE r, BYTE g, BYTE b, BYTE a)
{
if ( *bWantsToDrawHud == true && !*bCamCheck )
{
float fWidthMult = GetWidthMult();
float fHeightMult = GetHeightMult();
DrawRect(CRect( fX - ((nScale+1.0f) * fWidthMult * RsGlobal->MaximumWidth),
fY + ((nScale+1.0f) * fHeightMult * RsGlobal->MaximumHeight),
fX + ((nScale+1.0f) * fWidthMult * RsGlobal->MaximumWidth),
fY - ((nScale+1.0f) * fHeightMult * RsGlobal->MaximumHeight)),
CRGBA(0, 0, 0, a));
DrawRect(CRect( fX - (nScale * fWidthMult * RsGlobal->MaximumWidth),
fY + (nScale * fHeightMult * RsGlobal->MaximumHeight),
fX + (nScale * fWidthMult * RsGlobal->MaximumWidth),
fY - (nScale * fHeightMult * RsGlobal->MaximumHeight)),
CRGBA(r, g, b, a));
}
}
void SetScaleProperly(float fX, float fY)
{
SetScale(fX * GetWidthMult() * RsGlobal->MaximumWidth, fY * GetHeightMult() * RsGlobal->MaximumHeight);
}
class CGang
{
public:
int32_t m_vehicleModel;
int8_t m_gangModelOverride;
int32_t m_gangWeapons[2];
};
static_assert(sizeof(CGang) == 0x10, "Wrong size: CGang");
static CGang* const Gangs = *hook::get_pattern<CGang*>( "0F BF 4C 24 04 8B 44 24 08 C1 E1 04 89 81", -0x60 + 2 );
void PurpleNinesGlitchFix()
{
for ( size_t i = 0; i < 9; ++i )
Gangs[i].m_gangModelOverride = -1;
}
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*)>(0x580D20, 0x581070, 0x580F70);
static void (*orgConstructRenderList)();
void ResetMousePos()
{
if ( bGameInFocus )
{
RwV2d vecPos = { RsGlobal->MaximumWidth * 0.5f, RsGlobal->MaximumHeight * 0.5f };
RsMouseSetPos(&vecPos);
}
orgConstructRenderList();
}
void __declspec(naked) M16StatsFix()
{
_asm
{
add eax, 34h
add ebx, 34h
mov ecx, [InstantHitsFiredByPlayer]
inc [ecx]
retn
}
}
void __declspec(naked) HeadlightsFix()
{
static const float fMinusOne = -1.0f;
_asm
{
fld [esp+708h-690h]
fcomp fMinusOne
fnstsw ax
and ah, 5
cmp ah, 1
jnz HeadlightsFix_DontLimit
fld fMinusOne
fstp [esp+708h-690h]
HeadlightsFix_DontLimit:
fld [esp+708h-690h]
fabs
fld st
jmp [HeadlightsFix_JumpBack]
}
}
static float fShadowXSize, fShadowYSize;
void __stdcall Recalculate(signed int nShadow)
{
fShadowXSize = nShadow * GetWidthMult() * RsGlobal->MaximumWidth;
fShadowYSize = 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
{
push eax
call Recalculate
fadd [esp+50h+8]
fadd [fShadowYSize]
jmp SubtitlesShadowFix_JumpBack
}
}
void __declspec(naked) III_SensResetFix()
{
_asm
{
mov ecx, 3A76h
mov edi, ebp
fld dword ptr [ebp+194h]
fld dword ptr [ebp+198h]
rep stosd
fstp dword ptr [ebp+198h]
fstp dword ptr [ebp+194h]
retn
}
}
static void* RadarBoundsCheckCoordBlip_JumpBack = AddressByVersion<void*>(0x4A55B8, 0x4A56A8, 0x4A5638);
static void* RadarBoundsCheckCoordBlip_Count = AddressByVersion<void*>(0x4A55AF, 0x4A569F, 0x4A562F);
void __declspec(naked) RadarBoundsCheckCoordBlip()
{
_asm
{
mov edx, dword ptr [RadarBoundsCheckCoordBlip_Count]
cmp cl, byte ptr [edx]
jnb OutOfBounds
mov edx, ecx
mov eax, [esp+4]
jmp RadarBoundsCheckCoordBlip_JumpBack
OutOfBounds:
or eax, -1
fcompp
retn
}
}
static void* RadarBoundsCheckEntityBlip_JumpBack = AddressByVersion<void*>(0x4A565E, 0x4A574E, 0x4A56DE);
void __declspec(naked) RadarBoundsCheckEntityBlip()
{
_asm
{
mov edx, dword ptr [RadarBoundsCheckCoordBlip_Count]
cmp cl, byte ptr [edx]
jnb OutOfBounds
mov edx, ecx
mov eax, [esp+4]
jmp RadarBoundsCheckEntityBlip_JumpBack
OutOfBounds:
or eax, -1
retn
}
}
extern char** ppUserFilesDir = AddressByVersion<char**>(0x580C16, 0x580F66, 0x580E66);
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 = **(int**)0x41D2E5;
static signed int& LastTimeAmbulanceCreated = **(int**)0x41D2F9;
static void (*orgCarCtrlReInit)();
void CarCtrlReInit_SilentPatch()
{
orgCarCtrlReInit();
LastTimeFireTruckCreated = 0;
LastTimeAmbulanceCreated = 0;
}
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_III(unsigned int nTimer, int nScaleFactor, float fScaleCoef)
{
return nTimer - static_cast<unsigned int>(nScaleFactor * fScaleCoef);
}
void __declspec(naked) AutoPilotTimerFix_III()
{
_asm {
push dword ptr[esp + 0x4]
push dword ptr[ebx + 0x10]
push eax
call AutoPilotTimerCalculation_III
add esp, 0xC
mov [ebx + 0xC], eax
add esp, 0x28
pop ebp
pop esi
pop ebx
retn 4
}
}
static void (__thiscall *orgGiveWeapon)( void* ped, unsigned int weapon, unsigned int ammo );
static void __fastcall GiveWeapon_SP( void* ped, void*, unsigned int weapon, unsigned int ammo )
{
if ( ammo == 0 ) ammo = 1;
orgGiveWeapon( ped, weapon, ammo );
}
// ============= 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( 2.0f, pos );
{
wchar_t spText[] = { 'A'_xv, 'N'_xv, 'D'_xv, '\0'_xv };
for ( auto& ch : spText ) ch = xvChar(ch);
PrintCreditText( 1.7f, 1.0f, spText, pos, timeOffset );
}
PrintCreditSpace( 2.0f, 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( 1.7f, 1.7f, 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();
}
}
// ============= Call cDMAudio::IsAudioInitialised before adding one shot sounds, like in VC =============
namespace AudioInitializedFix
{
auto IsAudioInitialised = (bool(*)())Memory::ReadCallFrom( hook::get_pattern( "E8 ? ? ? ? 84 C0 74 6C 0F B7 47 10" ) );
void* (*operatorNew)(size_t size);
void* operatorNew_InitializedCheck( size_t size )
{
return IsAudioInitialised() ? operatorNew( size ) : nullptr;
}
void (*orgLoadAllAudioScriptObjects)(uint8_t*, uint32_t);
void LoadAllAudioScriptObjects_InitializedCheck( uint8_t* buffer, uint32_t a2 )
{
if ( IsAudioInitialised() )
{
orgLoadAllAudioScriptObjects( buffer, a2 );
}
}
}
void InjectDelayedPatches_III_Common( bool bHasDebugMenu, const wchar_t* wcModulePath )
{
using namespace Memory;
using namespace hook;
// 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);
}
}
// Make crane be unable to lift Coach instead of Blista
{
// There is a possible incompatibility with limit adjusters, so patch it in a delayed hook point and gracefully handle failure
auto canPickBlista = pattern( "83 FA 66 74" ).count_hint(1);
if ( canPickBlista.size() == 1 )
{
Patch<int8_t>( canPickBlista.get_first<void>( 2 ), 127 ); // coach
}
}
}
void InjectDelayedPatches_III_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_III_Common( hasDebugMenu, wcModulePath );
Common::Patches::III_VC_DelayedCommon( hasDebugMenu, wcModulePath );
}
void Patch_III_10(const RECT& desktop)
{
using namespace Memory;
DrawRect = (void(*)(const CRect&,const CRGBA&))0x51F970;
SetScale = (void(*)(float,float))0x501B80;
AudioResetTimers = (void(__stdcall*)(unsigned int))0x57CCD0;
PrintString = (void(*)(float,float,const wchar_t*))0x500F50;
InstantHitsFiredByPlayer = *(int**)0x482C8F;
bWantsToDrawHud = *(bool**)0x4A5877;
bCamCheck = *(bool**)0x4A588C;
RsGlobal = *(RsGlobalType**)0x584C42;
HeadlightsFix_JumpBack = (void*)0x5382F2;
SubtitlesShadowFix_JumpBack = (void*)0x500D32;
Patch<BYTE>(0x490F83, 1);
Patch<BYTE>(0x43177D, 16);
Patch<BYTE>(0x431DBB, 16);
Patch<BYTE>(0x432083, 16);
Patch<BYTE>(0x432303, 16);
Patch<BYTE>(0x479C9A, 16);
Patch<BYTE>(0x4FAD35, 16);
Patch<WORD>(0x5382BF, 0x0EEB);
InjectHook(0x5382EC, HeadlightsFix, PATCH_JUMP);
InjectHook(0x4A5870, ShowRadarTrace, PATCH_JUMP);
InjectHook(0x4209A7, SetScaleProperly);
InjectHook(0x420A1F, SetScaleProperly);
InjectHook(0x420AC1, SetScaleProperly);
InjectHook(0x420D9E, SetScaleProperly);
InjectHook(0x426342, SetScaleProperly);
InjectHook(0x4326B8, SetScaleProperly);
InjectHook(0x4F9E4D, FixedRefValue);
InjectHook(0x500D27, SubtitlesShadowFix, PATCH_JUMP);
Patch<WORD>(0x500D4C, 0x05D8);
Patch<WORD>(0x500D5F, 0x05D9);
Patch<WORD>(0x500D6E, 0x05D9);
Patch<void*>(0x500D4E, &fShadowXSize);
Patch<void*>(0x500D70, &fShadowXSize);
Patch<void*>(0x500D61, &fShadowYSize);
Patch<DWORD>(0x500D53, 0x0000441F);
Patch<BYTE>(0x500D52, 0x0F);
Patch<BYTE>(0x500D65, 0x90);
Patch<BYTE>(0x500D6D, 0x50);
Patch<WORD>(0x500D74, 0x9066);
Patch<BYTE>(0x5623B5, 0x90);
InjectHook(0x5623B6, M16StatsFix, PATCH_CALL);
InjectHook(0x505F82, AlteredPrintString<0x505F7B,0x505F50>);
InjectHook(0x5065DA, AlteredPrintString<0x5065D3,0x5065A8>);
InjectHook(0x50669B, AlteredPrintString<0x50668E,0x506670>);
InjectHook(0x50694B, AlteredPrintString<0x506944,0x506919>);
InjectHook(0x506A0C, AlteredPrintString<0x5069FF,0x5069E1>);
InjectHook(0x506C37, AlteredPrintString<0x506C2B,0x506C22>);
InjectHook(0x5070FA, AlteredPrintString<0x5070F3,0x5070C8>);
InjectHook(0x507598, AlteredPrintString<0x507591,0x507566>);
InjectHook(0x507754, AlteredPrintString<0x50774D,0x507722>);
InjectHook(0x507944, AlteredPrintString<0x50793D,0x507912>);
InjectHook(0x507AC8, AlteredPrintStringYOnly<0x507A8B>);
InjectHook(0x507CF0, AlteredPrintString<0x507CE9,0x507CBE>);
InjectHook(0x507FF1, AlteredPrintStringYOnly<0x507FB4>);
InjectHook(0x508C6E, AlteredPrintString<0x508C67,0x508C46>);
InjectHook(0x508F09, AlteredPrintStringXOnly<0x508F02>);
InjectHook(0x426446, AlteredPrintString<0x42643F,0x426418>);
InjectHook(0x426584, AlteredPrintString<0x42657D,0x426556>);
InjectHook(0x42665F, AlteredPrintStringMinus<0x426658,0x426637>);
InjectHook(0x5098D6, AlteredPrintString<0x509A5E,0x509A3D>);
InjectHook(0x509A65, AlteredPrintStringMinus<0x509A5E,0x509A3D>);
InjectHook(0x50A142, AlteredPrintStringXOnly<0x50A139>);
InjectHook(0x57E9F5, AlteredPrintString<0x57E9EE,0x57E9CD>);
// RsMouseSetPos call (SA style fix)
ReadCall( 0x48E539, orgConstructRenderList );
InjectHook(0x48E539, ResetMousePos);
// New wndproc
OldWndProc = *(LRESULT (CALLBACK***)(HWND, UINT, WPARAM, LPARAM))0x581C74;
Patch(0x581C74, &pCustomWndProc);
// Armour cheat as TORTOISE - like in 1.1 and Steam
Patch<const char*>(0x4925FB, "ESIOTROT");
// BOOOOORING fixed
Patch<BYTE>(0x4925D7, 10);
// 1.1 mouse sensitivity not resetting fix
Patch<WORD>(0x46BE81, 0x12EB);
Nop(0x46BAD6, 4);
InjectHook(0x46BADA, III_SensResetFix, PATCH_CALL);
// (Hopefully) more precise frame limiter
ReadCall( 0x582EFD, RsEventHandler );
InjectHook(0x582EFD, NewFrameRender);
InjectHook(0x582EA4, GetTimeSinceLastFrame);
// Reinit CCarCtrl fields (firetruck and ambulance generation)
ReadCall( 0x48C4FB, orgCarCtrlReInit );
InjectHook(0x48C4FB, CarCtrlReInit_SilentPatch);
// Reinit free resprays flag
// add esp, 38h
// mov CGarages::RespraysAreFree, 0
// retn
bool* pFreeResprays = *(bool**)0x4224A4;
Patch<BYTE>(0x421E06, 0x38);
Patch<WORD>(0x421E07, 0x05C6);
Patch<const void*>(0x421E09, pFreeResprays);
Patch<BYTE>(0x421E0E, 0xC3);
// Radar blips bounds check
InjectHook(0x4A55B2, RadarBoundsCheckCoordBlip, PATCH_JUMP);
InjectHook(0x4A5658, RadarBoundsCheckEntityBlip, PATCH_JUMP);
// No-CD fix (from CLEO)
Patch<DWORD>(0x566A15, 0);
Nop(0x566A56, 6);
Nop(0x581C44, 2);
Nop(0x581C52, 2);
Patch<const char*>(0x566A3D, "");
// Fixed crash related to autopilot timing calculations
InjectHook(0x4139B2, AutoPilotTimerFix_III, PATCH_JUMP);
// Adblocker
#if DISABLE_FLA_DONATION_WINDOW
if ( *(DWORD*)0x582749 != 0x006A026A )
{
Patch<DWORD>(0x582749, 0x006A026A);
Patch<WORD>(0x58274D, 0x006A);
}
#endif
Common::Patches::DDraw_III_10( desktop, aNoDesktopMode );
}
void Patch_III_11(const RECT& desktop)
{
using namespace Memory;
DrawRect = (void(*)(const CRect&,const CRGBA&))0x51FBA0;
SetScale = (void(*)(float,float))0x501C60;
AudioResetTimers = (void(__stdcall*)(unsigned int))0x57CCC0;
PrintString = (void(*)(float,float,const wchar_t*))0x501030;
InstantHitsFiredByPlayer = *(int**)0x482D5F;
bWantsToDrawHud = *(bool**)0x4A5967;
bCamCheck = *(bool**)0x4A597C;
RsGlobal = *(RsGlobalType**)0x584F82;
HeadlightsFix_JumpBack = (void*)0x538532;
SubtitlesShadowFix_JumpBack = (void*)0x500E12;
Patch<BYTE>(0x491043, 1);
Patch<BYTE>(0x43177D, 16);
Patch<BYTE>(0x431DBB, 16);
Patch<BYTE>(0x432083, 16);
Patch<BYTE>(0x432303, 16);
Patch<BYTE>(0x479C9A, 16);
Patch<BYTE>(0x4FAE15, 16);
Patch<WORD>(0x5384FF, 0x0EEB);
InjectHook(0x53852C, HeadlightsFix, PATCH_JUMP);
InjectHook(0x4A5960, ShowRadarTrace, PATCH_JUMP);
InjectHook(0x4209A7, SetScaleProperly);
InjectHook(0x420A1F, SetScaleProperly);
InjectHook(0x420AC1, SetScaleProperly);
InjectHook(0x420D9E, SetScaleProperly);
InjectHook(0x426342, SetScaleProperly);
InjectHook(0x4326B8, SetScaleProperly);
InjectHook(0x4F9F2D, FixedRefValue);
InjectHook(0x500E07, SubtitlesShadowFix, PATCH_JUMP);
Patch<WORD>(0x500E2C, 0x05D8);
Patch<WORD>(0x500E3F, 0x05D9);
Patch<WORD>(0x500E4E, 0x05D9);
Patch<void*>(0x500E2E, &fShadowXSize);
Patch<void*>(0x500E50, &fShadowXSize);
Patch<void*>(0x500E41, &fShadowYSize);
Patch<DWORD>(0x500E33, 0x0000441F);
Patch<BYTE>(0x500E32, 0x0F);
Patch<BYTE>(0x500E45, 0x90);
Patch<BYTE>(0x500E4D, 0x50);
Patch<WORD>(0x500E54, 0x9066);
Patch<BYTE>(0x5624E5, 0x90);
InjectHook(0x5624E6, M16StatsFix, PATCH_CALL);
InjectHook(0x506062, AlteredPrintString<0x50605B,0x506030>);
InjectHook(0x5066BA, AlteredPrintString<0x5066B3,0x506688>);
InjectHook(0x50677B, AlteredPrintString<0x50676E,0x506750>);
InjectHook(0x506A2B, AlteredPrintString<0x506A24,0x5069F9>);
InjectHook(0x506AEC, AlteredPrintString<0x506ADF,0x506AC1>);
InjectHook(0x506D17, AlteredPrintString<0x506D0B,0x506D02>);
InjectHook(0x5071DA, AlteredPrintString<0x5071D3,0x5071A8>);
InjectHook(0x507678, AlteredPrintString<0x507671,0x507646>);
InjectHook(0x507834, AlteredPrintString<0x50782D,0x507802>);
InjectHook(0x507A24, AlteredPrintString<0x507A1D,0x5079F2>);
InjectHook(0x507BA8, AlteredPrintStringYOnly<0x507B6B>);
InjectHook(0x507DD0, AlteredPrintString<0x507DC9,0x507D9E>);
InjectHook(0x5080D1, AlteredPrintStringYOnly<0x508094>);
InjectHook(0x508D4E, AlteredPrintString<0x508D47,0x508D26>);
InjectHook(0x508FE9, AlteredPrintStringXOnly<0x508FE2>);
InjectHook(0x426446, AlteredPrintString<0x42643F,0x426418>);
InjectHook(0x426584, AlteredPrintString<0x42657D,0x426556>);
InjectHook(0x42665F, AlteredPrintStringMinus<0x426658,0x426637>);
InjectHook(0x5099B6, AlteredPrintString<0x509B3E,0x509B1D>);
InjectHook(0x509B45, AlteredPrintStringMinus<0x509B3E,0x509B1D>);
InjectHook(0x50A222, AlteredPrintStringXOnly<0x50A219>);
InjectHook(0x57ED45, AlteredPrintString<0x57ED3E,0x57ED1D>);
// RsMouseSetPos call (SA style fix)
ReadCall( 0x48E5F9, orgConstructRenderList );
InjectHook(0x48E5F9, ResetMousePos);
// New wndproc
OldWndProc = *(LRESULT (CALLBACK***)(HWND, UINT, WPARAM, LPARAM))0x581FB4;
Patch(0x581FB4, &pCustomWndProc);
// (Hopefully) more precise frame limiter
ReadCall( 0x58323D, RsEventHandler );
InjectHook(0x58323D, NewFrameRender);
InjectHook(0x5831E4, GetTimeSinceLastFrame);
// Reinit CCarCtrl fields (firetruck and ambulance generation)
ReadCall( 0x48C5FB, orgCarCtrlReInit );
InjectHook(0x48C5FB, CarCtrlReInit_SilentPatch);
// Reinit free resprays flag
// add esp, 38h
// mov CGarages::RespraysAreFree, 0
// retn
bool* pFreeResprays = *(bool**)0x4224A4;
Patch<BYTE>(0x421E06, 0x38);
Patch<WORD>(0x421E07, 0x05C6);
Patch<const void*>(0x421E09, pFreeResprays);
Patch<BYTE>(0x421E0E, 0xC3);
// Radar blips bounds check
InjectHook(0x4A56A2, RadarBoundsCheckCoordBlip, PATCH_JUMP);
InjectHook(0x4A5748, RadarBoundsCheckEntityBlip, PATCH_JUMP);
// No-CD fix (from CLEO)
Patch<DWORD>(0x566B55, 0);
Nop(0x566B96, 6);
Nop(0x581F84, 2);
Nop(0x581F92, 2);
Patch<const char*>(0x566B7D, "");
// Fixed crash related to autopilot timing calculations
InjectHook(0x4139B2, AutoPilotTimerFix_III, PATCH_JUMP);
Common::Patches::DDraw_III_11( desktop, aNoDesktopMode );
}
void Patch_III_Steam(const RECT& desktop)
{
using namespace Memory;
DrawRect = (void(*)(const CRect&,const CRGBA&))0x51FB30;
SetScale = (void(*)(float,float))0x501BF0;
AudioResetTimers = (void(__stdcall*)(unsigned int))0x57CF20;
PrintString = (void(*)(float,float,const wchar_t*))0x500FC0;
InstantHitsFiredByPlayer = *(int**)0x482D5F;
bWantsToDrawHud = *(bool**)0x4A58F7;
bCamCheck = *(bool**)0x4A590C;
RsGlobal = *(RsGlobalType**)0x584E72;
SubtitlesShadowFix_JumpBack = (void*)0x500DA2;
Patch<BYTE>(0x490FD3, 1);
Patch<BYTE>(0x43177D, 16);
Patch<BYTE>(0x431DBB, 16);
Patch<BYTE>(0x432083, 16);
Patch<BYTE>(0x432303, 16);
Patch<BYTE>(0x479C9A, 16);
Patch<BYTE>(0x4FADA5, 16);
InjectHook(0x4A58F0, ShowRadarTrace, PATCH_JUMP);
InjectHook(0x4209A7, SetScaleProperly);
InjectHook(0x420A1F, SetScaleProperly);
InjectHook(0x420AC1, SetScaleProperly);
InjectHook(0x420D9E, SetScaleProperly);
InjectHook(0x426342, SetScaleProperly);
InjectHook(0x4326B8, SetScaleProperly);
InjectHook(0x4F9EBD, FixedRefValue);
InjectHook(0x500D97, SubtitlesShadowFix, PATCH_JUMP);
Patch<WORD>(0x500DBC, 0x05D8);
Patch<WORD>(0x500DCF, 0x05D9);
Patch<WORD>(0x500DDE, 0x05D9);
Patch<void*>(0x500DBE, &fShadowXSize);
Patch<void*>(0x500DE0, &fShadowXSize);
Patch<void*>(0x500DD1, &fShadowYSize);
Patch<DWORD>(0x500DC3, 0x0000441F);
Patch<BYTE>(0x500DC2, 0x0F);
Patch<BYTE>(0x500DD5, 0x90);
Patch<BYTE>(0x500DDD, 0x50);
Patch<WORD>(0x500DE4, 0x9066);
Patch<BYTE>(0x562495, 0x90);
InjectHook(0x562496, M16StatsFix, PATCH_CALL);
InjectHook(0x505FF2, AlteredPrintString<0x505FEB,0x505FC0>);
InjectHook(0x50664A, AlteredPrintString<0x506643,0x506618>);
InjectHook(0x50670B, AlteredPrintString<0x5066FE,0x5066E0>);
InjectHook(0x5069BB, AlteredPrintString<0x5069B4,0x506989>);
InjectHook(0x506A7C, AlteredPrintString<0x506A6F,0x506A51>);
InjectHook(0x506CA7, AlteredPrintString<0x506C9B,0x506C92>);
InjectHook(0x50716A, AlteredPrintString<0x507163,0x507138>);
InjectHook(0x507608, AlteredPrintString<0x507601,0x5075D6>);
InjectHook(0x5077C4, AlteredPrintString<0x5077BD,0x507792>);
InjectHook(0x5079B4, AlteredPrintString<0x5079AD,0x507982>);
InjectHook(0x507B38, AlteredPrintStringYOnly<0x507AFB>);
InjectHook(0x507D60, AlteredPrintString<0x507D59,0x507D2E>);
InjectHook(0x508061, AlteredPrintStringYOnly<0x508024>);
InjectHook(0x508CDE, AlteredPrintString<0x508CD7,0x508CB6>);
InjectHook(0x508F79, AlteredPrintStringXOnly<0x508F72>);
InjectHook(0x426446, AlteredPrintString<0x42643F,0x426418>);
InjectHook(0x426584, AlteredPrintString<0x42657D,0x426556>);
InjectHook(0x42665F, AlteredPrintStringMinus<0x426658,0x426637>);
InjectHook(0x509946, AlteredPrintString<0x509ACE,0x509AAD>);
InjectHook(0x509AD5, AlteredPrintStringMinus<0x509ACE,0x509AAD>);
InjectHook(0x50A1B2, AlteredPrintStringXOnly<0x50A1A9>);
InjectHook(0x57EC45, AlteredPrintString<0x57EC3E,0x57EC1D>);
// RsMouseSetPos call (SA style fix)
ReadCall( 0x48E589, orgConstructRenderList );
InjectHook(0x48E589, ResetMousePos);
// New wndproc
OldWndProc = *(LRESULT (CALLBACK***)(HWND, UINT, WPARAM, LPARAM))0x581EA4;
Patch(0x581EA4, &pCustomWndProc);
// (Hopefully) more precise frame limiter
ReadCall( 0x58312D, RsEventHandler );
InjectHook(0x58312D, NewFrameRender);
InjectHook(0x5830D4, GetTimeSinceLastFrame);
// Reinit CCarCtrl fields (firetruck and ambulance generation)
ReadCall( 0x48C58B, orgCarCtrlReInit );
InjectHook(0x48C58B, CarCtrlReInit_SilentPatch);
// Reinit free resprays flag
// add esp, 38h
// mov CGarages::RespraysAreFree, 0
// retn
bool* pFreeResprays = *(bool**)0x4224A4;
Patch<BYTE>(0x421E06, 0x38);
Patch<WORD>(0x421E07, 0x05C6);
Patch<const void*>(0x421E09, pFreeResprays);
Patch<BYTE>(0x421E0E, 0xC3);
// Radar blips bounds check
InjectHook(0x4A5632, RadarBoundsCheckCoordBlip, PATCH_JUMP);
InjectHook(0x4A56D8, RadarBoundsCheckEntityBlip, PATCH_JUMP);
// Fixed crash related to autopilot timing calculations
InjectHook(0x4139B2, AutoPilotTimerFix_III, PATCH_JUMP);
Common::Patches::DDraw_III_Steam( desktop, aNoDesktopMode );
}
void Patch_III_Common()
{
using namespace Memory;
using namespace hook;
// Purple Nines Glitch fix
{
auto addr = get_pattern( "0F BF 4C 24 04 8B 44 24 08 C1 E1 04 89 81", -0xC );
InjectHook( addr, PurpleNinesGlitchFix, PATCH_JUMP );
}
// 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 37 FF FF FF DD D8" );
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 48 5D 5F 5E 5B C2 10 00" ).count(2);
auto dest = get_pattern( "53 55 56 FF 74 24 68 FF 15" );
addr.for_each_result( [&]( pattern_match match ) {
InjectHook( match.get<void>( 2 ), dest, PATCH_JUMP );
});
}
// Proper panels damage
{
auto addr = pattern( "C6 43 09 03 C6 43 0A 03 C6 43 0B 03" ).get_one();
Patch<uint8_t>( addr.get<void>( 0x1A + 1 ), 5 );
Patch<uint8_t>( addr.get<void>( 0x23 + 1 ), 6 );
Nop( addr.get<void>( 0x3F ), 7 );
}
// Proper metric-imperial conversion constants
{
static const float METERS_TO_MILES = 0.0006213711922f;
static const float METERS_TO_FEET = 3.280839895f;
auto addr = pattern( "D8 0D ? ? ? ? 6A 00 6A 01 D9 9C 24" ).count(4);
Patch<const void*>( addr.get(0).get<void>( 2 ), &METERS_TO_MILES );
Patch<const void*>( addr.get(1).get<void>( 2 ), &METERS_TO_MILES );
Patch<const void*>( addr.get(2).get<void>( 2 ), &METERS_TO_FEET );
Patch<const void*>( addr.get(3).get<void>( 2 ), &METERS_TO_FEET );
}
// 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 AC 24 94 00 00 00 8B 85 2C 01 00 00", -0x7 );
// push PickNextNodeToChaseCarZ instead of 0.0f
Patch( funcAddr + 0x1C9, { 0xFF, 0x35 } );
Patch<const void*>( funcAddr + 0x1C9 + 2, &PickNextNodeToChaseCarZ );
Nop( funcAddr + 0x1C9 + 6, 1 );
// lea eax, [esp+1Ch+var_C]
// 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 ecx
// nop...
Patch<uint8_t>( addr.get<void>( 0x3E ), 0x51 );
Nop( addr.get<void>( 0x3E + 1 ), 6 );
InjectHook( addr.get<void>( 0x46 ), PickNextNodeToChaseCarXYZ );
Patch<uint8_t>( addr.get<void>( 0x4B + 2 ), 0xC );
// For NICK007J
// Uncomment this to get rid of "treadable hack" in CCarCtrl::PickNextNodeToChaseCar (to mirror VC behaviour)
InjectHook( funcAddr + 0x2A, funcAddr + 0x182, PATCH_JUMP );
}
// No censorships
{
auto addr = get_pattern( "8B 15 ? ? ? ? C6 05 ? ? ? ? 00 89 D0" );
Patch( addr, { 0x83, 0xC4, 0x08, 0xC3 } ); // add esp, 8 \ retn
}
// 014C cargen counter fix (by spaceeinstein)
{
auto do_processing = pattern( "0F B7 45 28 83 F8 FF 7D 04 66 FF 4D 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 4F 51 8B 34", 0x13 );
ReadCall( give_weapon, orgGiveWeapon );
InjectHook( give_weapon, GiveWeapon_SP );
give_weapon = get_pattern( "89 C7 A1 ? ? ? ? 55 89 F9 50", 11 );
InjectHook( give_weapon, GiveWeapon_SP );
}
// Credits =)
{
auto renderCredits = pattern( "83 C4 14 8D 45 F4 50 FF 35 ? ? ? ? E8 ? ? ? ? 59 59 8D 45 F4 50 FF 35 ? ? ? ? E8 ? ? ? ? 59 59 E8" ).get_one();
ReadCall( renderCredits.get<void>( -48 ), 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( "BE ? ? ? ? BF ? ? ? ? A5" ).get_one();
void* jmpDest = get_pattern( "66 A3 ? ? ? ? 5F", 6 );
void* simButtonCheckers = get_pattern( "84 DB 74 11 6A 00", -0x24 );
NewKeyState = *updatePads.get<void*>( 1 );
OldKeyState = *updatePads.get<void*>( 5 + 1 );
TempKeyState = *updatePads.get<void*>( 0x244 + 1 );
ReadCall( simButtonCheckers, orgClearSimButtonPressCheckers );
InjectHook( simButtonCheckers, ClearSimButtonPressCheckers );
InjectHook( updatePads.get<void>( 10 ), jmpDest, PATCH_JUMP );
}
// Locale based metric/imperial system
{
using namespace Localization;
void* updateCompareFlag = get_pattern( "89 E9 6A 00 E8 ? ? ? ? 30 C0 83 C4 70 5D 5E 5B C2 04 00", 4 );
ReadCall( updateCompareFlag, orgUpdateCompareFlag_IsMetric );
InjectHook( updateCompareFlag, UpdateCompareFlag_IsMetric );
// Stats
auto constructStatLine = pattern( "FF 24 9D ? ? ? ? 39 D0" ).get_one();
// push eax
// push edx
// call IsMetric_LocaleBased
// movzx ebx, al
// pop edx
// pop eax
// nop...
Patch( constructStatLine.get<void>( -0xF ), { 0x50, 0x52 } );
InjectHook( constructStatLine.get<void>( -0xF + 2 ), PrefsLanguage_IsMetric, PATCH_CALL );
Patch( constructStatLine.get<void>( -0xF + 7 ), { 0x0F, 0xB6, 0xD8, 0x5A, 0x58 } );
Nop( constructStatLine.get<void>( -0xF + 12 ), 3 );
}
// Add cDMAudio::IsAudioInitialised checks before constructing cAudioScriptObject, like in VC
{
using namespace AudioInitializedFix;
auto processCommands300 = pattern( "E8 ? ? ? ? 85 C0 59 74 ? 89 C1 E8 ? ? ? ? D9 05" ).get_one();
ReadCall( processCommands300.get<void>( 0 ), operatorNew );
InjectHook( processCommands300.get<void>( 0 ), operatorNew_InitializedCheck );
Patch<int8_t>( processCommands300.get<void>( 8 + 1 ), 0x440B62 - 0x440B24 );
auto processCommands300_2 = pattern( "6A 14 E8 ? ? ? ? 89 C3 59 85 DB 74" ).get_one();
InjectHook( processCommands300_2.get<void>( 2 ), operatorNew_InitializedCheck );
Patch<int8_t>( processCommands300_2.get<void>( 0xC + 1 ), 0x440BD7 - 0x440B8B );
// We need to patch switch cases 0, 3, 4
auto bulletInfoUpdate_Switch = *get_pattern<uintptr_t*>( "FF 24 85 ? ? ? ? 6A 14", 3 );
const uintptr_t bulletInfoUpdate_0 = bulletInfoUpdate_Switch[0];
const uintptr_t bulletInfoUpdate_3 = bulletInfoUpdate_Switch[3];
const uintptr_t bulletInfoUpdate_4 = bulletInfoUpdate_Switch[4];
InjectHook( bulletInfoUpdate_0 + 2, operatorNew_InitializedCheck );
Patch<int8_t>( bulletInfoUpdate_0 + 0xA + 1, 0x558B79 - 0x558B36 );
InjectHook( bulletInfoUpdate_3 + 2, operatorNew_InitializedCheck );
Patch<int8_t>( bulletInfoUpdate_3 + 0xA + 1, 0x558C19 - 0x558BB1 );
InjectHook( bulletInfoUpdate_4 + 2, operatorNew_InitializedCheck );
Patch<int8_t>( bulletInfoUpdate_4 + 0xA + 1, 0x558C19 - 0x558BE3 );
auto playlayOneShotScriptObject = pattern( "6A 14 E8 ? ? ? ? 85 C0 59 74 ? 89 C1 E8 ? ? ? ? D9 03 D9 58 04" ).get_one();
InjectHook( playlayOneShotScriptObject.get<void>( 2 ), operatorNew_InitializedCheck );
Patch<int8_t>( playlayOneShotScriptObject.get<void>( 0xA + 1 ), 0x57C633 - 0x57C601 );
auto loadAllAudioScriptObjects = get_pattern( "FF B5 78 FF FF FF E8 ? ? ? ? 59 59 8B 45 C8", 6 );
ReadCall( loadAllAudioScriptObjects, orgLoadAllAudioScriptObjects );
InjectHook( loadAllAudioScriptObjects, LoadAllAudioScriptObjects_InitializedCheck );
}
}
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_III_10(desktop);
else if ( version == 1 ) Patch_III_11(desktop);
else if ( version == 2 ) Patch_III_Steam(desktop);
Patch_III_Common();
Common::Patches::III_VC_Common();
Common::Patches::DDraw_Common();
Common::Patches::III_VC_SetDelayedPatchesFunc( InjectDelayedPatches_III_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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