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SilentPatch/SilentPatchVC/SilentPatchVC.cpp
Silent b7914dfb59
Simplify moonphases loading and DLL module management 
__ImageBase is a special linker symbol we can use here.
2024-05-11 12:42:28 +02:00

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#include "StdAfx.h"
#include "Maths.h"
#include "Timer.h"
#include "Common.h"
#include "Common_ddraw.h"
#include "Desktop.h"
#include "ModelInfoVC.h"
#include "VehicleVC.h"
#include "SVF.h"
#include "RWUtils.hpp"
#include "TheFLAUtils.h"
#include <array>
#include <memory>
#include <Shlwapi.h>
#include <time.h>
#include "Utils/ModuleList.hpp"
#include "Utils/Patterns.h"
#include "Utils/ScopedUnprotect.hpp"
#include "Utils/HookEach.hpp"
#include "debugmenu_public.h"
#pragma comment(lib, "shlwapi.lib")
EXTERN_C IMAGE_DOS_HEADER __ImageBase;
// ============= Mod compatibility stuff =============
namespace ModCompat
{
namespace Utils
{
template<typename AT>
HMODULE GetModuleHandleFromAddress( AT address )
{
HMODULE result = nullptr;
GetModuleHandleEx( GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT|GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS, LPCTSTR(address), &result );
return result;
}
}
}
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 RsGlobalType* RsGlobal;
static const void* SubtitlesShadowFix_JumpBack;
// This is actually CBaseModelInfo, but we currently don't have it defined
CVehicleModelInfo**& ms_modelInfoPtrs = *hook::get_pattern<CVehicleModelInfo**>("8B 15 ? ? ? ? 8D 04 24", 2);
int32_t& numModelInfos = *hook::get_pattern<int32_t>("81 FD ? ? ? ? 7C B7", 2);
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;
}
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;
}
namespace PrintStringShadows
{
template<uintptr_t addr>
static const float** margin = reinterpret_cast<const float**>(Memory::DynBaseAddress(addr));
static void PrintString_Internal(void (*printFn)(float,float,const wchar_t*), float fX, float fY, float fMarginX, float fMarginY, const wchar_t* pText)
{
printFn(fX - fMarginX + (fMarginX * GetWidthMult() * RsGlobal->MaximumWidth), fY - fMarginY + (fMarginY * GetHeightMult() * RsGlobal->MaximumHeight), pText);
}
template<uintptr_t pFltX, uintptr_t pFltY>
struct XY
{
static inline void (*orgPrintString)(float,float,const wchar_t*);
static void PrintString(float fX, float fY, const wchar_t* pText)
{
PrintString_Internal(orgPrintString, fX, fY, **margin<pFltX>, **margin<pFltY>, pText);
}
static void Hook(uintptr_t addr)
{
Memory::DynBase::InterceptCall(addr, orgPrintString, PrintString);
}
};
template<uintptr_t pFltX, uintptr_t pFltY>
struct XYMinus
{
static inline void (*orgPrintString)(float,float,const wchar_t*);
static void PrintString(float fX, float fY, const wchar_t* pText)
{
PrintString_Internal(orgPrintString, fX, fY, -(**margin<pFltX>), -(**margin<pFltY>), pText);
}
static void Hook(uintptr_t addr)
{
Memory::DynBase::InterceptCall(addr, orgPrintString, PrintString);
}
};
template<uintptr_t pFltX>
struct X
{
static inline void (*orgPrintString)(float,float,const wchar_t*);
static void PrintString(float fX, float fY, const wchar_t* pText)
{
PrintString_Internal(orgPrintString, fX, fY, **margin<pFltX>, 0.0f, pText);
}
static void Hook(uintptr_t addr)
{
Memory::DynBase::InterceptCall(addr, orgPrintString, PrintString);
}
};
template<uintptr_t pFltY>
struct Y
{
static inline void (*orgPrintString)(float,float,const wchar_t*);
static void PrintString(float fX, float fY, const wchar_t* pText)
{
PrintString_Internal(orgPrintString, fX, fY, 0.0f, **margin<pFltY>, pText);
}
static void Hook(uintptr_t addr)
{
Memory::DynBase::InterceptCall(addr, orgPrintString, PrintString);
}
};
}
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 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
}
}
// PS2 implementation of rand()
static uint64_t seed_rand_ps2 = time(nullptr);
static int rand_ps2()
{
seed_rand_ps2 = 0x5851F42D4C957F2D * seed_rand_ps2 + 1;
return ((seed_rand_ps2 >> 32) & 0x7FFFFFFF);
}
// PS2 rand, but matching PC's RAND_MAX
static int rand15_ps2()
{
return rand_ps2() & 0x7FFF;
}
namespace ZeroAmmoFix
{
template<std::size_t Index>
static void (__fastcall *orgGiveWeapon)(void* ped, void*, unsigned int weapon, unsigned int ammo, bool flag);
template<std::size_t Index>
static void __fastcall GiveWeapon_SP(void* ped, void*, unsigned int weapon, unsigned int ammo, bool flag)
{
orgGiveWeapon<Index>(ped, nullptr, weapon, std::max(1u, ammo), flag);
}
HOOK_EACH_FUNC(GiveWeapon, orgGiveWeapon, GiveWeapon_SP);
}
// ============= 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();
}
}
// ============= Corrected FBI Washington sirens sound =============
namespace SirenSwitchingFix
{
void __declspec(naked) IsFBIRanchOrFBICar()
{
_asm
{
mov dword ptr [esi+1Ch], 1Ch
// al = 0 - high pitched siren
// al = 1 - normal siren
cmp dword ptr [ebp+14h], 90 // fbiranch
je IsFBIRanchOrFBICar_HighPitchSiren
cmp dword ptr [ebp+14h], 17 // fbicar
setne al
retn
IsFBIRanchOrFBICar_HighPitchSiren:
xor al, al
retn
}
}
}
// ============= Corrected siren corona placement for FBI cars and Vice Cheetah =============
namespace FBISirenCoronaFix
{
bool overridePosition;
CVector vecOverridePosition;
// True - don't display siren
// False - display siren
bool SetUpFBISiren( const CVehicle* vehicle )
{
SVF::Feature foundFeature = SVF::Feature::NO_FEATURE;
SVF::ForAllModelFeatures( vehicle->GetModelIndex(), [&]( SVF::Feature f ) {
if ( f >= SVF::Feature::FBI_RANCHER_SIREN && f <= SVF::Feature::VICE_CHEETAH_SIREN )
{
foundFeature = f;
return false;
}
return true;
} );
if ( foundFeature != SVF::Feature::NO_FEATURE )
{
if ( foundFeature != SVF::Feature::VICE_CHEETAH_SIREN )
{
constexpr CVector FBICAR_SIREN_POS(0.4f, 0.8f, 0.25f);
constexpr CVector FBIRANCH_SIREN_POS(0.5f, 1.12f, 0.5f);
overridePosition = true;
vecOverridePosition = foundFeature == SVF::Feature::FBI_WASHINGTON_SIREN ? FBICAR_SIREN_POS : FBIRANCH_SIREN_POS;
}
else
{
overridePosition = false;
}
return false;
}
return true;
}
CVector& __fastcall SetUpVector( CVector& out, void*, float X, float Y, float Z )
{
if ( overridePosition )
{
out = vecOverridePosition;
}
else
{
out = CVector(X, Y, Z);
}
return out;
}
}
// ============= Fixed vehicles exploding twice if the driver leaves the car while it's exploding =============
namespace RemoveDriverStatusFix
{
__declspec(naked) void RemoveDriver_SetStatus()
{
// if (m_nStatus != STATUS_WRECKED)
// m_nStatus = STATUS_ABANDONED;
_asm
{
mov cl, [ebx+50h]
mov al, cl
and cl, 0F8h
cmp cl, 28h
je DontSetStatus
and al, 7
or al, 20h
DontSetStatus:
retn
}
}
}
// ============= Apply the environment mapping on extra components =============
namespace EnvMapsOnExtras
{
static void RemoveSpecularityFromAtomic(RpAtomic* atomic)
{
RpGeometry* geometry = RpAtomicGetGeometry(atomic);
if (geometry != nullptr)
{
RpGeometryForAllMaterials(geometry, [](RpMaterial* material)
{
bool bRemoveSpecularity = false;
// Only remove specularity from the body materials, keep glass intact.
// This is only done on a best-effort basis, as mods can fine-tune it better
// and just remove the model from the exceptions list
RwTexture* texture = RpMaterialGetTexture(material);
if (texture != nullptr)
{
if (strstr(RwTextureGetName(texture), "glass") == nullptr && strstr(RwTextureGetMaskName(texture), "glass") == nullptr)
{
bRemoveSpecularity = true;
}
}
if (bRemoveSpecularity)
{
RpMaterialGetSurfaceProperties(material)->specular = 0.0f;
}
return material;
});
}
}
static RpClump* (*orgRpClumpForAllAtomics)(RpClump* clump, RpAtomicCallBack callback, void* data);
static RpClump* RpClumpForAllAtomics_ExtraComps(CVehicleModelInfo* modelInfo, RpAtomicCallBack callback, void* data)
{
RpClump* result = orgRpClumpForAllAtomics(modelInfo->m_clump, callback, data);
const int32_t modelID = std::distance(ms_modelInfoPtrs, std::find(ms_modelInfoPtrs, ms_modelInfoPtrs+numModelInfos, modelInfo));
const bool bRemoveSpecularity = ExtraCompSpecularity::SpecularityExcluded(modelID);
for (int32_t i = 0; i < modelInfo->m_numComps; i++)
{
if (bRemoveSpecularity)
{
RemoveSpecularityFromAtomic(modelInfo->m_comps[i]);
}
callback(modelInfo->m_comps[i], data);
CVehicleModelInfo::AttachCarPipeToRwObject(reinterpret_cast<RwObject*>(modelInfo->m_comps[i]));
}
return result;
}
}
// ============= Null terminate read lines in CPlane::LoadPath =============
namespace NullTerminatedLines
{
static void* orgSscanf_LoadPath;
__declspec(naked) static void sscanf1_LoadPath_Terminate()
{
_asm
{
mov eax, [esp+4]
mov byte ptr [eax+ecx], 0
jmp [orgSscanf_LoadPath]
}
}
}
// ============= Don't reset mouse sensitivity on New Game =============
namespace MouseSensNewGame
{
static float DefaultHorizontalAccel;
static float* fMouseAccelHorzntl;
static void (*orgSetDirMyDocuments)();
static void SetDirMyDocuments_ResetMouse()
{
orgSetDirMyDocuments();
*fMouseAccelHorzntl = DefaultHorizontalAccel;
}
}
// ============= Fixed pickup effects colors =============
namespace PickupEffectsFixes
{
__declspec(naked) static void PickUpEffects_BigDollarColor()
{
_asm
{
mov byte ptr [esp+184h-170h], 0
mov dword ptr [esp+184h-174h], 37
retn
}
}
__declspec(naked) static void PickUpEffects_Minigun2Glow()
{
_asm
{
cmp ecx, 294 // minigun2
jnz NotMinigun2
mov byte ptr [esp+184h-170h], 0
xor eax, eax
jmp Return
NotMinigun2:
lea eax, [ecx+1]
Return:
mov ebx, ecx
retn
}
}
__declspec(naked) static void PickUpEffects_GiveUsAnObject()
{
_asm
{
jnz GiveUsAnObject_NotEqual
mov si, [eax+58h]
retn
GiveUsAnObject_NotEqual:
mov si, -1
retn
}
}
}
// ============= Fixed IS_PLAYER_TARGETTING_CHAR incorrectly detecting targetting in Classic controls =============
// ============= when the player is not aiming =============
// ============= By Wesser =============
namespace IsPlayerTargettingCharFix
{
static bool* bUseMouse3rdPerson;
static void* TheCamera;
static bool (__fastcall* Using1stPersonWeaponMode)();
__declspec(naked) static void IsPlayerTargettingChar_ExtraChecks()
{
// After this extra block of code, there is a jz Return, so set ZF to 0 here if this path is to be entered
_asm
{
test bl, bl
jnz ReturnToUpdateCompareFlag
mov eax, [bUseMouse3rdPerson]
cmp byte ptr [eax], 0
jne CmpAndReturn
mov ecx, [TheCamera]
call [Using1stPersonWeaponMode]
test al, al
jz ReturnToUpdateCompareFlag
CmpAndReturn:
cmp byte ptr [esp+11Ch-10Ch], 0
retn
ReturnToUpdateCompareFlag:
xor al, al
retn
}
}
}
// ============= Resetting stats and variables on New Game =============
namespace VariableResets
{
static auto TimerInitialise = reinterpret_cast<void(*)()>(hook::get_pattern("83 E4 F8 68 ? ? ? ? E8", -6));
using VarVariant = std::variant< bool*, int* >;
std::vector<VarVariant> GameVariablesToReset;
static void ReInitOurVariables()
{
for ( const auto& var : GameVariablesToReset )
{
std::visit( []( auto&& v ) {
*v = {};
}, var );
}
// Functions that should have been called by the game but aren't...
TimerInitialise();
}
template<std::size_t Index>
static void (*orgReInitGameObjectVariables)();
template<std::size_t Index>
void ReInitGameObjectVariables()
{
// First reinit "our" variables in case stock ones rely on those during resetting
ReInitOurVariables();
orgReInitGameObjectVariables<Index>();
}
HOOK_EACH_FUNC(ReInitGameObjectVariables, orgReInitGameObjectVariables, ReInitGameObjectVariables);
static void (*orgGameInitialise)(const char*);
void GameInitialise(const char* path)
{
ReInitOurVariables();
orgGameInitialise(path);
}
}
void InjectDelayedPatches_VC_Common( bool bHasDebugMenu, const wchar_t* wcModulePath )
{
using namespace Memory;
using namespace hook;
const ModuleList moduleList;
const HMODULE skygfxModule = moduleList.Get(L"skygfx");
if (skygfxModule != nullptr)
{
auto attachCarPipe = reinterpret_cast<void(*)(RwObject*)>(GetProcAddress(skygfxModule, "AttachCarPipeToRwObject"));
if (attachCarPipe != nullptr)
{
CVehicleModelInfo::AttachCarPipeToRwObject = attachCarPipe;
}
}
// 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);
}
}
// Corrected siren corona placement for emergency vehicles
if ( GetPrivateProfileIntW(L"SilentPatch", L"EnableVehicleCoronaFixes", -1, wcModulePath) == 1 )
{
// Other mods might be touching it, so only patch specific vehicles if their code has not been touched at all
{
auto firetruck1 = pattern( "8D 8C 24 24 09 00 00 FF 35 ? ? ? ? FF 35 ? ? ? ? FF 35" );
auto firetruck2 = pattern( "8D 8C 24 30 09 00 00 FF 35 ? ? ? ? FF 35 ? ? ? ? FF 35" );
if ( firetruck1.count_hint(1).size() == 1 && firetruck2.count_hint(1).size() == 1 )
{
static const CVector FIRETRUCK_SIREN_POS(0.95f, 3.2f, 1.4f);
static const float FIRETRUCK_SIREN_MINUS_X = -FIRETRUCK_SIREN_POS.x;
auto match1 = firetruck1.get_one();
auto match2 = firetruck2.get_one();
Patch( match1.get<float*>( 7 + 2 ), &FIRETRUCK_SIREN_POS.z );
Patch( match1.get<float*>( 7 + 2 + (6*1) ), &FIRETRUCK_SIREN_POS.y );
Patch( match1.get<float*>( 7 + 2 + (6*2) ), &FIRETRUCK_SIREN_POS.x );
Patch( match2.get<float*>( 7 + 2 ), &FIRETRUCK_SIREN_POS.z );
Patch( match2.get<float*>( 7 + 2 + (6*1) ), &FIRETRUCK_SIREN_POS.y );
Patch( match2.get<float*>( 7 + 2 + (6*2) ), &FIRETRUCK_SIREN_MINUS_X );
}
}
{
auto ambulan1 = pattern( "8D 8C 24 0C 09 00 00 FF 35 ? ? ? ? FF 35 ? ? ? ? FF 35" );
auto ambulan2 = pattern( "8D 8C 24 18 09 00 00 FF 35 ? ? ? ? FF 35 ? ? ? ? FF 35" );
if ( ambulan1.count_hint(1).size() == 1 && ambulan2.count_hint(1).size() == 1 )
{
static const CVector AMBULANCE_SIREN_POS(0.7f, 0.65f, 1.55f);
static const float AMBULANCE_SIREN_MINUS_X = -AMBULANCE_SIREN_POS.x;
auto match1 = ambulan1.get_one();
auto match2 = ambulan2.get_one();
Patch( match1.get<float*>( 7 + 2 ), &AMBULANCE_SIREN_POS.z );
Patch( match1.get<float*>( 7 + 2 + (6*1) ), &AMBULANCE_SIREN_POS.y );
Patch( match1.get<float*>( 7 + 2 + (6*2) ), &AMBULANCE_SIREN_POS.x );
Patch( match2.get<float*>( 7 + 2 ), &AMBULANCE_SIREN_POS.z );
Patch( match2.get<float*>( 7 + 2 + (6*1) ), &AMBULANCE_SIREN_POS.y );
Patch( match2.get<float*>( 7 + 2 + (6*2) ), &AMBULANCE_SIREN_MINUS_X );
}
}
{
auto police1 = pattern( "8D 8C 24 DC 08 00 00 FF 35 ? ? ? ? FF 35 ? ? ? ? FF 35" );
auto police2 = pattern( "8D 8C 24 E8 08 00 00 FF 35 ? ? ? ? FF 35 ? ? ? ? FF 35" );
if ( police1.count_hint(1).size() == 1 && police2.count_hint(1).size() == 1 )
{
static const CVector POLICE_SIREN_POS(0.55f, -0.4f, 0.95f);
static const float POLICE_SIREN_MINUS_X = -POLICE_SIREN_POS.x;
auto match1 = police1.get_one();
auto match2 = police2.get_one();
Patch( match1.get<float*>( 7 + 2 ), &POLICE_SIREN_POS.z );
Patch( match1.get<float*>( 7 + 2 + (6*1) ), &POLICE_SIREN_POS.y );
Patch( match1.get<float*>( 7 + 2 + (6*2) ), &POLICE_SIREN_POS.x );
Patch( match2.get<float*>( 7 + 2 ), &POLICE_SIREN_POS.z );
Patch( match2.get<float*>( 7 + 2 + (6*1) ), &POLICE_SIREN_POS.y );
Patch( match2.get<float*>( 7 + 2 + (6*2) ), &POLICE_SIREN_MINUS_X );
}
}
{
auto enforcer1 = pattern( "8D 8C 24 F4 08 00 00 FF 35 ? ? ? ? FF 35 ? ? ? ? FF 35" );
auto enforcer2 = pattern( "8D 8C 24 00 09 00 00 FF 35 ? ? ? ? FF 35 ? ? ? ? FF 35" );
if ( enforcer1.count_hint(1).size() == 1 && enforcer2.count_hint(1).size() == 1 )
{
static const CVector ENFORCER_SIREN_POS(0.6f, 1.05f, 1.4f);
static const float ENFORCER_SIREN_MINUS_X = -ENFORCER_SIREN_POS.x;
auto match1 = enforcer1.get_one();
auto match2 = enforcer2.get_one();
Patch( match1.get<float*>( 7 + 2 ), &ENFORCER_SIREN_POS.z );
Patch( match1.get<float*>( 7 + 2 + (6*1) ), &ENFORCER_SIREN_POS.y );
Patch( match1.get<float*>( 7 + 2 + (6*2) ), &ENFORCER_SIREN_POS.x );
Patch( match2.get<float*>( 7 + 2 ), &ENFORCER_SIREN_POS.z );
Patch( match2.get<float*>( 7 + 2 + (6*1) ), &ENFORCER_SIREN_POS.y );
Patch( match2.get<float*>( 7 + 2 + (6*2) ), &ENFORCER_SIREN_MINUS_X );
}
}
{
auto chopper1 = pattern( "C7 44 24 44 00 00 E0 40 50 C7 44 24 4C 00 00 00 00" ); // Front light
auto chopper2 = pattern( "C7 44 24 6C 00 00 10 C1 8D 44 24 5C C7 44 24 70 00 00 00 00" ); // Tail light
if ( chopper1.count_hint(1).size() == 1 )
{
constexpr CVector CHOPPER_SEARCH_LIGHT_POS(0.0f, 3.0f, -1.0f); // Same as in III Aircraft (not implemented there yet!)
auto match = chopper1.get_one();
Patch( match.get<float>( 4 ), CHOPPER_SEARCH_LIGHT_POS.y );
Patch( match.get<float>( 9 + 4 ), CHOPPER_SEARCH_LIGHT_POS.z );
}
if ( chopper2.count_hint(1).size() == 1 )
{
constexpr CVector CHOPPER_RED_LIGHT_POS(0.0f, -7.5f, 2.5f); // Same as in III Aircraft
auto match = chopper2.get_one();
Patch( match.get<float>( 4 ), CHOPPER_RED_LIGHT_POS.y );
Patch( match.get<float>( 12 + 4 ), CHOPPER_RED_LIGHT_POS.z );
}
}
{
using namespace FBISirenCoronaFix;
auto hasFBISiren = pattern( "83 E9 04 0F 84 87 0A 00 00 83 E9 10" ); // Predicate for showing FBI/Vice Squad siren
auto viceCheetah = pattern( "8D 8C 24 CC 09 00 00 FF 35 ? ? ? ? FF 35 ? ? ? ? FF 35 ? ? ? ? E8" ); // Siren pos
if ( viceCheetah.count_hint(1).size() == 1 )
{
auto match = viceCheetah.get_one();
if ( hasFBISiren.count_hint(1).size() == 1 )
{
auto matchSiren = hasFBISiren.get_one();
Patch<uint8_t>( matchSiren.get<void>(), 0x55 ); // push ebp
InjectHook( matchSiren.get<void>( 1 ), SetUpFBISiren, HookType::Call );
Patch( matchSiren.get<void>( 1 + 5 ), { 0x83, 0xC4, 0x04, 0x84, 0xC0, 0x90 } ); // add esp, 4 / test al, al / nop
InjectHook( match.get<void>( 0x19 ), SetUpVector );
}
static const float VICE_CHEETAH_SIREN_POS_Z = 0.25f;
Patch( match.get<float*>( 7 + 2 ), &VICE_CHEETAH_SIREN_POS_Z );
}
}
}
FLAUtils::Init(moduleList);
}
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(reinterpret_cast<HMODULE>(&__ImageBase), 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(uint32_t width, uint32_t height)
{
using namespace Memory::DynBase;
RsGlobal = *(RsGlobalType**)DynBaseAddress(0x602D32);
SubtitlesShadowFix_JumpBack = (void*)DynBaseAddress(0x551701);
InjectHook(0x5433BD, FixedRefValue);
InjectHook(0x5516FC, SubtitlesShadowFix, HookType::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);
{
using namespace PrintStringShadows;
XY<0x5FA1F6, 0x5FA1D5>::Hook(0x5FA1FD);
XYMinus<0x544727, 0x544727>::Hook(0x54474D);
}
// 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))DynBaseAddress(0x601727);
Patch(0x601727, &pCustomWndProc);
// Y axis sensitivity fix
// By ThirteenAG
float* sens = *(float**)DynBaseAddress(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);
// 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, HookType::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( width, height, aNoDesktopMode );
}
void Patch_VC_11(uint32_t width, uint32_t height)
{
using namespace Memory::DynBase;
RsGlobal = *(RsGlobalType**)DynBaseAddress(0x602D12);
SubtitlesShadowFix_JumpBack = (void*)DynBaseAddress(0x551721);
InjectHook(0x5433DD, FixedRefValue);
InjectHook(0x55171C, SubtitlesShadowFix, HookType::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);
{
using namespace PrintStringShadows;
XY<0x5FA216, 0x5FA1F5>::Hook(0x5FA21D);
XYMinus<0x544747, 0x544747>::Hook(0x54476D);
}
// 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))DynBaseAddress(0x601757);
Patch(0x601757, &pCustomWndProc);
// Y axis sensitivity fix
// By ThirteenAG
float* sens = *(float**)DynBaseAddress(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);
// 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, HookType::Jump);
Common::Patches::DDraw_VC_11( width, height, aNoDesktopMode );
}
void Patch_VC_Steam(uint32_t width, uint32_t height)
{
using namespace Memory::DynBase;
RsGlobal = *(RsGlobalType**)DynBaseAddress(0x602952);
SubtitlesShadowFix_JumpBack = (void*)DynBaseAddress(0x5515F1);
InjectHook(0x5432AD, FixedRefValue);
InjectHook(0x5515EC, SubtitlesShadowFix, HookType::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);
{
using namespace PrintStringShadows;
XY<0x5F9E56, 0x5F9E35>::Hook(0x5F9E5D);
XYMinus<0x544617, 0x544617>::Hook(0x54463D);
}
// 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))DynBaseAddress(0x601397);
Patch(0x601397, &pCustomWndProc);
// Y axis sensitivity fix
// By ThirteenAG
float* sens = *(float**)DynBaseAddress(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);
// 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, HookType::Jump);
Common::Patches::DDraw_VC_Steam( width, height, aNoDesktopMode );
}
void Patch_VC_JP()
{
using namespace Memory::DynBase;
// 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, HookType::Call );
InjectHook( hookPoint.get<void>( 0x21 + 5 ), jmpPoint, HookType::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, HookType::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, HookType::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
{
using namespace ZeroAmmoFix;
std::array<void*, 2> give_weapon = {
get_pattern( "6B C0 2E 6A 01 56 8B 3C", 0x15 ),
get_pattern( "89 F9 6A 01 55 50 E8", 6 ),
};
HookEach_GiveWeapon(give_weapon, InterceptCall);
}
// Extras working correctly on bikes
{
auto createInstance = get_pattern( "89 C1 8B 41 04" );
InjectHook( createInstance, CreateInstance_BikeFix, HookType::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, HookType::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, HookType::Call );
Nop( constructStatLine.get<void>( -2 ), 2 );
}
// Corrected FBI Washington sirens sound
// Primary siren lower pitched like in FBI Rancher and secondary siren higher pitched
{
using namespace SirenSwitchingFix;
// Other mods might be touching it, so only patch specific vehicles if their code has not been touched at all
auto sirenPitch = pattern( "83 F8 17 74 32" ).count_hint(1);
if ( sirenPitch.size() == 1 )
{
auto match = sirenPitch.get_one();
InjectHook( match.get<void>( 5 ), IsFBIRanchOrFBICar, HookType::Call );
Patch( match.get<void>( 5 + 5 ), { 0x84, 0xC0 } ); // test al, al
Nop( match.get<void>( 5 + 5 + 2 ), 4 );
// Pitch shift FBI Washington primary siren
struct tVehicleSampleData {
int m_nAccelerationSampleIndex;
char m_bEngineSoundType;
int m_nHornSample;
int m_nHornFrequency;
char m_nSirenOrAlarmSample;
int m_nSirenOrAlarmFrequency;
char m_bDoorType;
};
tVehicleSampleData* dataTable = *get_pattern<tVehicleSampleData*>( "8B 04 95 ? ? ? ? 89 43 1C", 3 );
// Only pitch shift if table hasn't been relocated elsewhere
if ( GetModuleHandle( nullptr ) == ModCompat::Utils::GetModuleHandleFromAddress(dataTable) )
{
// fbicar frequency = fbiranch frequency
dataTable[17].m_nSirenOrAlarmFrequency = dataTable[90].m_nSirenOrAlarmFrequency;
}
}
}
// Allow extra6 to be picked with component rule 4 (any)
{
void* extraMult6 = get_pattern( "D8 0D ? ? ? ? D9 7C 24 04 8B 44 24 04 80 4C 24 05 0C D9 6C 24 04 89 44 24 04 DB 5C 24 08 D9 6C 24 04 8B 44 24 08 83 C4 10 5D", 2 );
static const float MULT_6 = 6.0f;
Patch( extraMult6, &MULT_6 );
}
// Make drive-by one shot sounds owned by the driver instead of the car
// Fixes incorrect weapon sound being used for drive-by
{
auto getDriverOneShot = pattern( "FF 35 ? ? ? ? 6A 37 50 E8 ? ? ? ? 83 7E 08 00" ).get_one();
// nop
// mov ecx, ebx
// call CVehicle::GetOneShotOwnerID
Patch( getDriverOneShot.get<void>( -8 ), { 0x90, 0x89, 0xD9 } );
InjectHook( getDriverOneShot.get<void>( -5 ), &CVehicle::GetOneShotOwnerID_SilentPatch, HookType::Call );
}
// Fixed vehicles exploding twice if the driver leaves the car while it's exploding
{
using namespace RemoveDriverStatusFix;
auto removeDriver = pattern("8A 43 50 24 07 0C 20 88 43 50 E8").get_one();
auto processCommands1 = get_pattern("88 42 50 8B 33");
auto processCommands2 = get_pattern("88 42 50 8B AE");
auto removeThisPed = get_pattern("88 42 50 8B 85");
auto pedSetOutCar = get_pattern("0C 20 88 47 50 8B 85", 2);
Nop(removeDriver.get<void>(), 2);
InjectHook(removeDriver.get<void>(2), RemoveDriver_SetStatus, HookType::Call);
// CVehicle::RemoveDriver already sets the status to STATUS_ABANDONED, these are redundant
Nop(processCommands1, 3);
Nop(processCommands2, 3);
Nop(removeThisPed, 3);
Nop(pedSetOutCar, 3);
}
// Apply the environment mapping on extra components
{
using namespace EnvMapsOnExtras;
auto forAllAtomics = pattern("50 E8 ? ? ? ? 66 8B 4B 44").get_one();
// push eax -> push ebx
Patch<uint8_t>(forAllAtomics.get<void>(), 0x53);
InterceptCall(forAllAtomics.get<void>(1), orgRpClumpForAllAtomics, RpClumpForAllAtomics_ExtraComps);
}
// Fix probabilities in CVehicle::InflictDamage incorrectly assuming a random range from 0 to 100.000
{
auto probability = get_pattern("66 81 7B 5A ? ? 73 50", 4);
Patch<uint16_t>(probability, 35000u / 2u);
}
// Null terminate read lines in CPlane::LoadPath
{
using namespace NullTerminatedLines;
auto loadPath = get_pattern("DD D8 45 E8", 3);
InterceptCall(loadPath, orgSscanf_LoadPath, sscanf1_LoadPath_Terminate);
}
// Don't reset mouse sensitivity on New Game
{
using namespace MouseSensNewGame;
auto cameraInit = pattern("C7 85 14 09 00 00 00 00 00 00 C7 05 ? ? ? ? ? ? ? ? C7 05").get_one();
auto setDirMyDocuments = get_pattern("89 CD E8 ? ? ? ? 68", 2);
DefaultHorizontalAccel = *cameraInit.get<float>(20 + 2 + 4);
fMouseAccelHorzntl = *cameraInit.get<float*>(20 + 2);
Nop(cameraInit.get<void>(20), 10);
InterceptCall(setDirMyDocuments, orgSetDirMyDocuments, SetDirMyDocuments_ResetMouse);
}
// Fixed pickup effects
{
using namespace PickupEffectsFixes;
// Give money pickups color ID 37, like most other "generic" pickups
// Coincidentally, it's also the most likely color to be "randomly" assigned to them now
auto bigDollarColor = get_pattern("C6 44 24 ? 00 E9 ? ? ? ? 8D 80 00 00 00 00 0F B7 1D ? ? ? ? 39 CB 75 0C");
// Remove the glow from minigun2
auto minigun2Glow = get_pattern("8D 41 01 89 CB");
// Don't spawn the grenade together with the detonator in the pickup
// FLA might be altering this due to the usage of 16-bit IDs? Just in case allow for graceful failure
auto pickupExtraObject = pattern("75 04 66 8B 70 58").count_hint(1);
if (pickupExtraObject.size() == 1)
{
auto match = pickupExtraObject.get_one();
Nop(match.get<void>(), 1);
InjectHook(match.get<void>(1), &PickUpEffects_GiveUsAnObject, HookType::Call);
}
InjectHook(bigDollarColor, &PickUpEffects_BigDollarColor, HookType::Call);
InjectHook(minigun2Glow, &PickUpEffects_Minigun2Glow, HookType::Call);
}
// Fixed the muzzle flash facing the wrong direction
// By Wesser
{
auto fireInstantHit = pattern("D9 44 24 50 D8 44 24 44").get_one();
// Replace fld [esp].vecSource with fldz, as vecEnd is already absolute
Patch(fireInstantHit.get<void>(), { 0xD9, 0xEE, 0x90, 0x90 });
Patch(fireInstantHit.get<void>(15), { 0xD9, 0xEE, 0x90, 0x90 });
Patch(fireInstantHit.get<void>(30), { 0xD9, 0xEE, 0x90, 0x90 });
}
// Fixed IS_PLAYER_TARGETTING_CHAR incorrectly detecting targetting in Classic controls
// when the player is not aiming
// By Wesser
{
using namespace IsPlayerTargettingCharFix;
auto isPlayerTargettingChar = pattern("83 7C 24 ? ? A3 ? ? ? ? 0F 84").get_one();
auto using1stPersonWeaponMode = static_cast<decltype(Using1stPersonWeaponMode)>(get_pattern("66 83 F8 07 74 18", -7));
bool* useMouse3rdPerson = *get_pattern<bool*>("80 3D ? ? ? ? ? 75 09 66 C7 05 ? ? ? ? ? ? 8B 35", 2);
void* theCamera = *get_pattern<void*>("B9 ? ? ? ? 31 DB E8", 1);
Using1stPersonWeaponMode = using1stPersonWeaponMode;
bUseMouse3rdPerson = useMouse3rdPerson;
TheCamera = theCamera;
// Move mov ds:dword_784030, eax one instruction earlier so we don't need
// to include it in the patched routine
memmove(isPlayerTargettingChar.get<void>(), isPlayerTargettingChar.get<void>(5), 5);
InjectHook(isPlayerTargettingChar.get<void>(5), IsPlayerTargettingChar_ExtraChecks, HookType::Call);
}
// Use PS2 randomness for Rosenberg audio to hopefully bring the odds closer to PS2
// The functionality was never broken on PC - but the random distribution seemingly made it looks as if it was
{
auto busted_audio_rand = get_pattern("80 BB 48 01 00 00 00 0F 85 ? ? ? ? E8 ? ? ? ? 25 FF FF 00 00", 13);
InjectHook(busted_audio_rand, rand15_ps2);
}
// Reset variables on New Game
{
using namespace VariableResets;
auto game_initialise = get_pattern("6A 00 E8 ? ? ? ? 83 C4 0C 68 ? ? ? ? E8 ? ? ? ? 59 C3", 15);
std::array<void*, 2> reinit_game_object_variables = {
get_pattern("74 05 E8 ? ? ? ? E8 ? ? ? ? 80 3D", 7),
get_pattern("C6 05 ? ? ? ? ? E8 ? ? ? ? C7 05", 7)
};
InterceptCall(game_initialise, orgGameInitialise, GameInitialise);
HookEach_ReInitGameObjectVariables(reinit_game_object_variables, InterceptCall);
// Variables to reset
GameVariablesToReset.emplace_back(*get_pattern<bool*>("7D 09 80 3D ? ? ? ? ? 74 32", 2 + 2)); // Free resprays
GameVariablesToReset.emplace_back(*get_pattern<int*>("7D 78 A1 ? ? ? ? 05", 2 + 1)); // LastTimeAmbulanceCreated
GameVariablesToReset.emplace_back(*get_pattern<int*>("A1 ? ? ? ? 05 ? ? ? ? 39 05 ? ? ? ? 0F 86 ? ? ? ? 8B 15", 1)); // LastTimeFireTruckCreated
}
}
BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
{
UNREFERENCED_PARAMETER(hinstDLL);
UNREFERENCED_PARAMETER(lpvReserved);
if ( fdwReason == DLL_PROCESS_ATTACH )
{
const auto [width, height] = GetDesktopResolution();
sprintf_s(aNoDesktopMode, "Cannot find %ux%ux32 video mode", width, height);
// 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(width, height);
else if ( version == 1 ) Patch_VC_11(width, height);
else if ( version == 2 ) Patch_VC_Steam(width, height);
// 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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