How to make hacks?

DWORD WINAPI Hacks(LPVOID)
{
	bool oneshot = false;
            bool norepeatreload = false;
            bool gunkniferange = false;
            bool unlimitedammo = false;
	while(1)
	{
		DWORD CShellBase = (DWORD)GetModuleHandleA("CShell.dll");

     
   		if(oneshot) 
         	{
           		for(int i=0 ; i<445 ; i++)
          		{
          		 *(float*)( (*(DWORD*)((*(DWORD*)(CShellBase + UPDATE ))+(4*i))) + 0x7F8) = FLT_MAX ;
    			}
		}
	}
}

   		if(norepeatreload) 
         	{
           		for(int i=0 ; i<445 ; i++)
          		{
          		 *(float*)( (*(DWORD*)((*(DWORD*)(CShellBase + UPDATE ))+(4*i))) + 0xA44) = FLT_MAX ;
    			}
		}

   		if(gunkniferange) 
         	{
           		for(int i=0 ; i<445 ; i++)
          		{
          		 *(float*)( (*(DWORD*)((*(DWORD*)(CShellBase + UPDATE ))+(4*i))) + 0x24B8) = FLT_MAX ;
    			}
		}

		if(unlimitedammo) 
         	{
           		for(int i=0 ; i<445 ; i++)
          		{
          		 *(float*)( (*(DWORD*)((*(DWORD*)(CShellBase + UPDATE ))+(4*i))) + 0x7FC) = FLT_MAX ;
    			}
		}
BOOL WINAPI DllMain ( HMODULE hDll, DWORD dwReason, LPVOID lpReserved ) {
    DisableThreadLibraryCalls(hDll);
    if ( dwReason == DLL_PROCESS_ATTACH ) {
         MessageBoxA(0, "Injectowanie zakończone sukcesem!", "Dobra robota!" , 0);
		 
     
    }
    return true;
    }