Why is this code not working ? memory hacking

#include "stdafx.h"
#include <iostream>
#include <windows.h>

using namespace std;

DWORD ReadMemAddr(HANDLE win, DWORD baseaddress, DWORD offsets[]);

int _tmain(int argc, _TCHAR* argv[])
{
	int option;

	printf("Press 1 for ammo hack:");
	cin >> option;

	DWORD procID;

	//Ammo variables
	DWORD base = 0x4DF73C;
	DWORD AmmoOffsets[] = {0x368, 0x14, 0x0};
	BYTE AmmoAmount[] = {0x09, 0x09, 0x00, 0x00};

	HWND hwnd = FindWindow(0, L"AssaultCube");
	if(hwnd == 0) {
		MessageBox(0, L"Could not load game!", L"Error:", MB_OK|MB_ICONERROR);
		exit(EXIT_FAILURE);
	}else {
		printf("Hacks Loaded Interface Succesfully!\n");
		
		GetWindowThreadProcessId(hwnd, &procID);
		HANDLE window = OpenProcess(PROCESS_ALL_ACCESS, false, procID);

		if(!window) {
			MessageBox(0, L"Could not access game process!", L"Error:", MB_OK|MB_ICONERROR);
		}else {
			DWORD DMA = ReadMemAddr(window, base, AmmoOffsets);
			WriteProcessMemory(window, (BYTE*) DMA, &AmmoAmount, sizeof(AmmoAmount), NULL);
			MessageBox(0, L"Ammo hacked!", L"Success:", MB_OK);
		}
	}
	return 0;
}

DWORD ReadMemAddr(HANDLE win, DWORD baseaddress, DWORD offsets[]) {
	
	int pointerLvl = sizeof(offsets);
	DWORD tempAddr;
	DWORD result;
	
	for(int i = 0; i < pointerLvl; i++) {
		ReadProcessMemory(win, (LPCVOID) baseaddress, &tempAddr, sizeof(tempAddr), NULL);
		result = tempAddr + offsets[i];

		ReadProcessMemory(win, (LPCVOID) result, &tempAddr, sizeof(tempAddr), NULL);
	}

	return result;
}