Change FOV with CE

#include <Windows.h>
#include <tlhelp32.h> 
#include <process.h>


DWORD Base;
DWORD MW3_PID;
HWND MW3_HWND;
HANDLE MW3_HANDLE;

BYTE* GetEntryPoint(DWORD MW3_PID);
void Do_stuff(void*);

int main()
{
	while(!(MW3_HWND = FindWindow(NULL,"Call of Duty®: Modern Warfare® 3 Multiplayer"))) //Or FindWindow("IW5",NULL)
		Sleep(10);

	while(!(GetWindowThreadProcessId(MW3_HWND,&MW3_PID)))
		Sleep(10);

	while(!(MW3_HANDLE = OpenProcess(PROCESS_ALL_ACCESS,false,MW3_PID)))
		Sleep(10);

	Base = (DWORD)GetEntryPoint(MW3_PID);
	_beginthread(Do_stuff, 0, 0);

	while(MW3_HWND = FindWindow(NULL,"Call of Duty®: Modern Warfare® 3 Multiplayer")) //Or FindWindow("IW5",NULL)
	{
		Sleep(200);
	}
    return 0;
}

void Do_stuff(void*)
{
	float FOV = 0;
	while(1)
	{
		// Wait for input..
		// Then do whatever you want to the address..
                std::cout << "\nNew FOV: ";
                std::cin >> FOV;

		// Let's add a DWORD for the sake of clarity..
		if(!isdigit(FOV)) DWORD Address = Base + 0x55CE10C; // iw5mp.exe + 0x55CE10C
		
		WriteProcessMemory(MW3_HANDLE, (PVOID)Address, &FOV, 4, NULL);
		SetForegroundWindow(MW3_HWND);
	}
}

BYTE* GetEntryPoint(DWORD MW3_PID)
{
	MODULEENTRY32 iw5mp;
	BYTE* ModuleBase = NULL;
	HANDLE hSnapShot = NULL;

	if(MW3_PID == 0) return 0; 

	iw5mp.dwSize = sizeof(iw5mp);
	hSnapShot = CreateToolhelp32Snapshot( TH32CS_SNAPMODULE, MW3_PID );

	ModuleBase = iw5mp.modBaseAddr;
	CloseHandle( hSnapShot );
	return ModuleBase;
}