# include <windows.h>


HBITMAP gwynL, gwyn; //These are our .bmp files.
HBITMAP mgwynL, mgwyn; //These are masks we're gonna make because 
HBITMAP draw, drawmask;//transparentcy is too scary for windows.
int frame = 0;
//BOOL startup = TRUE;
int frameWidth = 500;
int frames = 4;
int gwynpos = 0;
int dir = 1;
int gwyny;



HBITMAP MakeMask(HBITMAP hbmColor, COLORREF ColorVanish)
{
    HDC hdcmem, hdcmem2;
    HBITMAP hbmMask;
    BITMAP bmp;
    // Make Monochrome Mask of bitmap
    GetObject(hbmColor, sizeof(BITMAP), &bmp);
    hbmMask = CreateBitmap(bmp.bmWidth, bmp.bmHeight, 1, 1, NULL);
    // Ask windows to socialize with the driver and set me up with mem objs 
    hdcmem = CreateCompatibleDC(0);
    hdcmem2 = CreateCompatibleDC(0);
    SelectObject(hdcmem, hbmColor);
    SelectObject(hdcmem2, hbmMask);
    // Now we can do the things.
    SetBkColor(hdcmem, ColorVanish);

    BitBlt(hdcmem2, 0,0, bmp.bmWidth, bmp.bmHeight, hdcmem, 0,0, SRCCOPY);
    BitBlt(hdcmem,  0,0, bmp.bmWidth, bmp.bmHeight, hdcmem2, 0,0, SRCINVERT);
    
    // Throw out garbage
    DeleteDC(hdcmem);
    DeleteDC(hdcmem2);
    return hbmMask;
}
// Let's make a Window's brain. 
LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM NoOneCares, LPARAM NoOneCares2)
{
    switch(msg)
    {
        case WM_PAINT:
        {   
            if (dir == 0)
            {
                draw    = gwynL;
                drawmask= mgwynL;
            }
            else
            {
                draw    = gwyn;
                drawmask= mgwyn;
            }
            PAINTSTRUCT ps;
            HDC hdc = BeginPaint(hwnd, &ps);
            HDC hdcmem = CreateCompatibleDC(hdc);
            SelectObject(hdcmem, drawmask);
            BitBlt(hdc, 0,0, frameWidth, 500, hdcmem, frame*frameWidth, 0, SRCAND);
            SelectObject(hdcmem, draw);
            BitBlt(hdc, 0,0, frameWidth, 500, hdcmem, frame*frameWidth, 0, SRCCOPY);
            //Clean it!
            DeleteDC(hdcmem);
            EndPaint(hwnd, &ps);
        }
        break;
        case WM_TIMER:
        {
            // We need to know our direction.
            int scrn_x  = GetSystemMetrics(SM_CXSCREEN);
            if (dir > 0)
            {
                if (scrn_x-500 > gwynpos){
                    gwynpos = (gwynpos + 15);
                }
                else{
                    //startup = TRUE;
                    dir = 0;
                }
            }
            else 
            {
                if (gwynpos > -50)
                {
                    gwynpos = gwynpos - 15;
                }
                else 
                {
                    //startup = TRUE;
                    dir = 1;
                }
            }
            frame = (frame+1) % frames;
            //if (startup){
            //    if (frame > 2){
            //        startup = FALSE;
            //    }
            //}
            //else
            //{
            //    frame = frame; //Control Start up frames here.
            //}
            //
            SetWindowPos(hwnd, NULL, gwynpos, gwyny, 0, 0, SWP_NOSIZE |SWP_NOZORDER);
            
            InvalidateRect(hwnd, NULL, FALSE);
            UpdateWindow(hwnd);
        }
        break;
        case WM_CREATE:
        {
        }
        break;
        case WM_CLOSE:
        {
            DestroyWindow(hwnd);
        }
        break;
        case WM_DESTROY:
        {
            PostQuitMessage(0);
        }
        break;
        default:
        {
            return DefWindowProc(hwnd, msg, NoOneCares, NoOneCares2);
        }
    }
    return 0;
}
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE freeNull, LPSTR argv, int ncmdshow)
{
    WNDCLASSEX wc ={0};
    const char WIN_CLASS[] = "Foxxer";
    // Set the props.
    wc.hInstance        = GetModuleHandle(NULL);
    wc.lpszClassName    = WIN_CLASS;
    wc.cbSize           = sizeof(WNDCLASSEX);
    wc.style            = 0;
    wc.lpfnWndProc      = WndProc;
    wc.cbClsExtra       = 0;
    wc.cbWndExtra       = 0;
    wc.hIcon            = LoadIcon(NULL, IDI_APPLICATION);
    wc.hCursor          = LoadCursor(NULL, IDC_ARROW);
    wc.hbrBackground    = (HBRUSH)(COLOR_WINDOW+1);
    wc.lpszMenuName     = NULL;
    wc.hIconSm          = LoadIcon(NULL, IDI_APPLICATION);
    
    // Let's put ourselves at the bottom left, so Gwyn's feet touch.
    int screen_y = GetSystemMetrics(SM_CYSCREEN);
    gwyny = screen_y -525;
    // Give Windows our new window, then ask for it back
    RegisterClassEx(&wc);
    HWND hwnd = CreateWindowEx(
            WS_EX_LAYERED,
            WIN_CLASS, 
            NULL, 
            WS_POPUP,
            0, gwyny,
            500, 500,
            NULL, NULL, GetModuleHandle(NULL), NULL
            );
    // Let's load our bmp This will need to be moved somewhere else.
    gwyn  = (HBITMAP)LoadImage(NULL, "Gwyn_R.bmp", IMAGE_BITMAP, 0,0, LR_LOADFROMFILE);
    gwynL = (HBITMAP)LoadImage(NULL, "Gwyn_L.bmp", IMAGE_BITMAP, 0,0, LR_LOADFROMFILE);
    mgwyn = MakeMask(gwyn,  RGB(255,255,255));
    mgwynL= MakeMask(gwynL, RGB(255,255,255));
    // Final Window tweaks
    SetLayeredWindowAttributes(hwnd, RGB(0,0,0), 0, LWA_COLORKEY);
    //Start timer, need to tweak
    SetTimer(hwnd, 1, 150, NULL);

    //Launch!
    ShowWindow(hwnd, SW_SHOWNORMAL);
    UpdateWindow(hwnd);

    MSG msg = {0};
    while (GetMessage(&msg, NULL, 0,0) > 0)
    {
        TranslateMessage(&msg);
        DispatchMessage(&msg);
    }
    // Clean up!
    KillTimer(hwnd, 1);
    DeleteObject(gwyn); // So sad :(
    return 0;
}