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PickNextNodeToChaseCarXYZ for VC

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Silent 2017-09-13 21:56:06 +02:00
parent 54264b5cc4
commit de35275f8d
2 changed files with 88 additions and 0 deletions
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43
SilentPatch/StdAfx.h
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@ -13,4 +13,47 @@
#include "MemoryMgr.h"
class CVector
{
public:
float x, y, z;
CVector()
{}
constexpr CVector(float fX, float fY, float fZ=0.0f)
: x(fX), y(fY), z(fZ)
{}
CVector& operator+=(const CVector& vec)
{ x += vec.x; y += vec.y; z += vec.z;
return *this; }
CVector& operator-=(const CVector& vec)
{ x -= vec.x; y -= vec.y; z -= vec.z;
return *this; }
inline float Magnitude() const
{ return sqrt(x * x + y * y + z * z); }
inline constexpr float MagnitudeSqr() const
{ return x * x + y * y + z * z; }
inline CVector& Normalize()
{ float fInvLen = 1.0f / Magnitude(); x *= fInvLen; y *= fInvLen; z *= fInvLen; return *this; }
friend inline float DotProduct(const CVector& vec1, const CVector& vec2)
{ return vec1.x * vec2.x + vec1.x * vec2.y + vec1.z * vec2.z; }
friend inline CVector CrossProduct(const CVector& vec1, const CVector& vec2)
{ return CVector( vec1.y * vec2.z - vec1.z * vec2.y,
vec1.z * vec2.x - vec1.x * vec2.z,
vec1.x * vec2.y - vec1.y * vec2.x); }
friend inline CVector operator*(const CVector& in, float fMul)
{ return CVector(in.x * fMul, in.y * fMul, in.z * fMul); }
friend inline CVector operator+(const CVector& vec1, const CVector& vec2)
{ return CVector(vec1.x + vec2.x, vec1.y + vec2.y, vec1.z + vec2.z); }
friend inline CVector operator-(const CVector& vec1, const CVector& vec2)
{ return CVector(vec1.x - vec2.x, vec1.y - vec2.y, vec1.z - vec2.z); }
friend inline CVector operator-(const CVector& vec)
{ return CVector(-vec.x, -vec.y, -vec.z); }
};
#define DISABLE_FLA_DONATION_WINDOW 0

45
SilentPatchVC/SilentPatchVC.cpp
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@ -188,6 +188,16 @@ 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)
@ -648,6 +658,41 @@ void Patch_VC_Common()
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 );
}
}
BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)