vietcong ammo patch

#include "stdafx.h"

DWORD WINAPI Thread( LPVOID lParam )
{
    HMODULE hModule = GetModuleHandle( L"game.dll" );
    MODULEINFO mdlinfo;
    GetModuleInformation( GetCurrentProcess(), hModule, &mdlinfo, sizeof( mdlinfo ) );
    unsigned char GameSavLoad1[] = { 0x81, 0xEC, 0x28, 0x02 };
    unsigned char GameSavLoad2[] = { 0x00, 0x00, 0x53, 0x55 };
    unsigned char GameSavLoad3[] = { 0x56, 0x57, 0x68, 0x54 };

    unsigned int head_offs = 0x676134;
    unsigned int def_offs = 0x4F80C0;
    unsigned int offset = 0;

    int c= (int)hModule;
    int max = (int)hModule + mdlinfo.SizeOfImage - sizeof( unsigned char[4] ) * 3;

    while( c != max )
    {
            if( memcmp( (void*)(c), GameSavLoad1, sizeof( GameSavLoad1 ) ) == 0 &&
                memcmp( (void*)(c + sizeof( unsigned char[4] ) ), GameSavLoad2, sizeof( GameSavLoad2 ) ) == 0 &&
                memcmp( (void*)(c + sizeof( unsigned char[4] ) * 2 ), GameSavLoad3, sizeof( GameSavLoad3 ) ) == 0)
            {
                break;
            }

            offset++; c++;
    }

    //TCHAR str[128];
    //TCHAR str1[128];
    //wsprintf( str, L"Offset found %x!\nHead:%x+%x=%x\nAny:%x+%x=%x", offset, c, head_offs , c + head_offs , c, def_offs, def_offs + c  );
    //wsprintf( str1, L"Size: %x", mdlinfo.SizeOfImage - sizeof( unsigned char[4] ) * 3 );
    //MessageBox( 0, str, 0, MB_OK );
    //MessageBox( 0, str1, 0, MB_OK );

    if( c != max )
    {
        unsigned char ammo_sig[] = { 0x66, 0x29, 0x5C, 0x7E };
        unsigned char ammo_patch[] = { 0x83, 0x6C, 0x7E, 0x3C, 0x00};

        while( c != max )
        {
                if( memcmp( (void*)(c), ammo_sig, sizeof( ammo_sig ) ) == 0 )
                {
                    DWORD dwOldState;

                    VirtualProtect( (void*)c, sizeof( ammo_patch ), PAGE_READWRITE, &dwOldState );

                    if( true )
                    {
                        *(unsigned char*)( c ) = ammo_patch[0];
                        *(unsigned char*)( c + 1 ) = ammo_patch[1];
                        *(unsigned char*)( c + 2 ) = ammo_patch[2];
                        *(unsigned char*)( c + 3 ) = ammo_patch[3];
                        *(unsigned char*)( c + 4 ) = ammo_patch[4];

                        TCHAR szMsg[128];
                        wsprintf( szMsg, L"Memory patched: %x %x %x %x %x", *(unsigned char*)( c ), *(unsigned char*)( c + 1 ), *(unsigned char*)( c + 2 ), *(unsigned char*)( c + 3 ), *(unsigned char*)( c + 4 ) );

                        MessageBox( 0, szMsg, 0, MB_OK );
                    }
                    else
                    {

                    }

                    break;
                }

                c++;
        }
    }
    else
    {
        MessageBox( 0, L"Something went wrong.", 0, MB_OK );
    }

    return 0;
}

BOOL APIENTRY DllMain( HMODULE hModule,
                       DWORD  ul_reason_for_call,
                       LPVOID lpReserved
                     )
{
    switch (ul_reason_for_call)
    {
    case DLL_PROCESS_ATTACH:

        CreateThread( 0, 0, Thread, 0, 0, 0 );

        break;
    case DLL_THREAD_ATTACH:
    case DLL_THREAD_DETACH:
    case DLL_PROCESS_DETACH:
        break;
    }
    return TRUE;
}