Speedhack [ускорить или замедлить программу]

// OGL speedhack code
 
typedef bool (WINAPI *QueryPerformanceCounterFunc)(LARGE_INTEGER*);
/* Output stuff */
 
DWORD StartTime;
char *ShortShowString=new char;
bool gotStartTime=false;
bool show5sec=false;
 
/* type defs */
 
typedef bool(__stdcall *func_wglSwapBuffers)(HDC);
typedef bool(__stdcall *func_QueryPerformanceCounter)(LARGE_INTEGER*);
 
/* funcs */
 
static func_QueryPerformanceCounter QueryPerformanceCounterPtr=NULL;
 
DWORD last_real=0;
DWORD last_fake=0;
DWORD StartTimeS;
bool speedblock=false;
bool tmp=false;
float speed;
int speedon=1000;
int speedoff=5000;
int TIMOUT=400;
bool speedhack=true;
 
 
bool __stdcall NEWQueryPerformanceCounter(LARGE_INTEGER *lp)
{
bool ret = QueryPerformanceCounterPtr(lp);
 
if(speedhack)
{
DWORD cur_ticks = timeGetTime();
DWORD new_real = lp->LowPart;
 
if(!last_real)
{
last_real = last_fake = new_real;
return ret;
}
 
double factor = (speed<1 ? 1:speed);
if(speedon==0 || speedblock) { factor = 1.0; }
 
DWORD diff_real = (DWORD)(new_real-last_real);
DWORD diff_fake = (DWORD)(factor * double(diff_real));
lp->LowPart = last_fake + diff_fake;
 
last_fake += diff_fake;
last_real += diff_real;
}
 
return ret;
}
 
// speedblock code (so you won't get lagged by server) - glEnable
 
if(show5sec)
{
glText(Xcoord,500,ShortShowString,0.4f,1.0f,0.4f);
if(!gotStartTime)
{
StartTime = timeGetTime();
gotStartTime=true;
}
if(int(timeGetTime() - StartTime) > 5000)
{
// 5 seconds passed
show5sec = false;
gotStartTime = false;
StartTime=0;
}
}
 
if(speedhack && speedon != 0)
{
 
if(!tmp)
{
StartTimeS = timeGetTime();
tmp=true;
}
if((int(timeGetTime() - StartTimeS) > TIMOUT/speed) && !speedblock) // How long time is allowed ( 200 ms)
{
speedblock=true;
}
if((int(timeGetTime() - StartTimeS) > (TIMOUT/speed)*2) && speedblock) // Speed-Pause ( 800 ms)
{
speedblock=false;
tmp=false;
}
}
 
// glViewport - key (mouse1 / left mouse button speed)
if((GetAsyncKeyState(VK_LBUTTON)& 0x8000) && speedhack)
{
speedon=400;
speedoff=0;
}
else
{
speedon=0;
}