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Erectus.cpp
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Erectus.cpp
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#include "ErectusInclude.h"
int GetTextSize(const char *Text)
{
if (Text == nullptr)
{
return 0;
}
for (int i = 0; i < 0x7FFF; i++)
{
if (Text[i] == '\0')
{
return i + 1;
}
}
return 0;
}
int GetTextLength(const char *Text)
{
if (Text == nullptr)
{
return 0;
}
for (int i = 0; i < 0x7FFF; i++)
{
if (Text[i] == '\0')
{
return i;
}
}
return 0;
}
void ValidateDWORD(DWORD *Value, DWORD Min, DWORD Max)
{
if (*Value < Min) *Value = Min;
else if (*Value > Max) *Value = Max;
}
void ValidateInt(int *Value, int Min, int Max)
{
if (*Value < Min) *Value = Min;
else if (*Value > Max) *Value = Max;
}
void ValidateFloat(float *Value, float Min, float Max)
{
if (*Value < Min) *Value = Min;
else if (*Value > Max) *Value = Max;
}
void ValidateRGB(float *Value)
{
for (int i = 0; i < 3; i++)
{
ValidateFloat(&Value[i], 0.0f, 1.0f);
}
}
void ValidateRGBA(float *Value)
{
for (int i = 0; i < 4; i++)
{
ValidateFloat(&Value[i], 0.0f, 1.0f);
}
}
bool Valid(DWORD64 Ptr)
{
if (Ptr < 0x10000UL || Ptr > 0xF000000000000ULL || (Ptr & 1)) return false;
else return true;
}
bool RPM(DWORD64 src, void *dst, size_t Size)
{
return ReadProcessMemory(Handle, (void*)(src), dst, Size, NULL);
}
bool WPM(DWORD64 dst, void *src, size_t Size)
{
return WriteProcessMemory(Handle, (void*)(dst), src, Size, NULL);
}
DWORD64 AllocEx(size_t Size)
{
return DWORD64(VirtualAllocEx(Handle, NULL, Size, MEM_RESERVE | MEM_COMMIT, PAGE_EXECUTE_READWRITE));
}
bool FreeEx(DWORD64 src)
{
return VirtualFreeEx(Handle, LPVOID(src), 0, MEM_RELEASE);
}
bool vtableSwap(DWORD64 dst, DWORD64 src)
{
DWORD OldProtect;
if (!VirtualProtectEx(Handle, (void*)(dst), sizeof(DWORD64), PAGE_READWRITE, &OldProtect)) return false;
bool Result = WPM(dst, &src, sizeof(src));
DWORD Buffer;
if (!VirtualProtectEx(Handle, (void*)(dst), sizeof(DWORD64), OldProtect, &Buffer)) return false;
return Result;
}
float GetDistance(float *a1, float *a2)
{
return sqrtf(powf((a1[0] - a2[0]), 2.0f) + powf((a1[1] - a2[1]), 2.0f) + powf((a1[2] - a2[2]), 2.0f));
}
void ProjectView(float *dst, float *Forward, float *Origin, float Distance)
{
dst[0] = Origin[0] + (Forward[0] * Distance);
dst[1] = Origin[1] + (Forward[1] * Distance);
dst[2] = Origin[2] + (Forward[2] * Distance);
}
float RadiansToDegrees(float Radians)
{
return Radians * (180.0f / 3.14159265f);
}
float GetDegrees(float *src, float *Forward, float *Origin)
{
float Buffer[3];
ProjectView(Buffer, Forward, Origin, GetDistance(src, Origin));
return RadiansToDegrees(sinf(GetDistance(src, Buffer) / GetDistance(Origin, Buffer)));
}
bool WTS(float *View, float *Position, float *Screen)
{
float Buffer[4];
Buffer[0] = View[0] * Position[0] + -View[1] * -Position[1] + View[2] * Position[2] + View[3];
Buffer[1] = View[4] * Position[0] + -View[5] * -Position[1] + View[6] * Position[2] + View[7];
//Buffer[2] = View[8] * Position[0] + -View[9] * -Position[1] + View[10] * Position[2] + View[11];
Buffer[3] = View[12] * Position[0] + -View[13] * -Position[1] + View[14] * Position[2] + View[15];
if (Buffer[3] < 0.1f) return false;
float HalfWindowSize[2];
HalfWindowSize[0] = float(WindowSize[0]) * 0.5f;
HalfWindowSize[1] = float(WindowSize[1]) * 0.5f;
Screen[0] = HalfWindowSize[0] + HalfWindowSize[0] * Buffer[0] / Buffer[3];
Screen[1] = HalfWindowSize[1] - HalfWindowSize[1] * Buffer[1] / Buffer[3];
return true;
}
int GetRangedInt(int Min, int Max)
{
if (Min < Max)
{
return rand() % (1 + (Max - Min)) + (Max - (Max - Min));
}
else
{
return Min;
}
}
bool SingleKeyPress(int KeyCode, bool *KeyPress)
{
if (GetAsyncKeyState(KeyCode))
{
if (!*KeyPress)
{
*KeyPress = true;
return true;
}
}
else
{
if (*KeyPress)
{
*KeyPress = false;
return false;
}
}
return false;
}
bool DoubleKeyPress(int KeyCodeA, int KeyCodeB, bool *KeyPress)
{
if (GetAsyncKeyState(KeyCodeA))
{
return SingleKeyPress(KeyCodeB, KeyPress);
}
if (GetAsyncKeyState(KeyCodeB))
{
return SingleKeyPress(KeyCodeA, KeyPress);
}
return false;
}