// dllmain.cpp : Defines the entry point for the DLL application.
#include "stdafx.h"

#define X_POSITION 0x8FDEE8
#define Y_POSITION 0x8FDEEC


DWORD dwID;
HFONT debugFont;

void DrawInfoInScreen(HDC hdc, int X, int Y)
{
    char buffer[1024] = "";
    wsprintf(buffer, "X: %d Y: %d", X, Y);

    SelectObject(hdc, debugFont);
    TextOut(hdc, 20, 20, buffer, strlen(buffer));

}

// espera que pressione a tecla para acessar as offsets das posições.
void WaitForStart()
{
    //while (true)
    //{
    //  if (GetAsyncKeyState(VK_F10))
    //  {
            DWORD old;
            VirtualProtect((LPVOID)X_POSITION, 4, PAGE_READWRITE, &old);
            VirtualProtect((LPVOID)Y_POSITION, 4, PAGE_READWRITE, &old);

            debugFont = CreateFont(16, 0, 0, 0, FW_DONTCARE, FALSE, FALSE, FALSE, DEFAULT_CHARSET, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY, FIXED_PITCH | FF_DONTCARE, "Tahoma");


    //      break; // sai do loop fii
    //  }
    //  Sleep(100);
    //}
}

static HWND windowHandle;
__declspec(dllexport) DWORD Foo() { return TRUE;  }

DWORD InitProcess()
{
    WaitForStart();

    while (true)
    {
        windowHandle = FindWindow("DMO", "DMO");
        if (windowHandle != 0)
        {
            if ((*(int*)X_POSITION) != 0 && (*(int*)Y_POSITION) != 0)
            {
                HDC winDC = GetDC(windowHandle);
                DrawInfoInScreen(winDC, *(int*)X_POSITION, *(int*)Y_POSITION);
                ReleaseDC(windowHandle, winDC);
            }
        }
        Sleep(10);
    }

    return TRUE;
}



BOOL APIENTRY DllMain( HMODULE hModule,
                       DWORD  ul_reason_for_call,
                       LPVOID lpReserved
                     )
{
    switch (ul_reason_for_call)
    {
    case DLL_PROCESS_ATTACH:
        CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)InitProcess, NULL, 0, &dwID);
        break;


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