cnc-ddraw/src/main.c

/*
 * Copyright (c) 2010 Toni Spets <toni.spets@iki.fi>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <windows.h>
#include <windowsx.h>
#include <winuser.h>
#include <stdio.h>
#include <ctype.h>
#include <d3d9.h>
#include <initguid.h>
#include "ddraw.h"
#include "main.h"
#include "opengl.h"
#include "palette.h"
#include "surface.h"
#include "clipper.h"
#include "hook.h"
#include "mouse.h"
#include "render_d3d9.h"

#define IDR_MYMENU 93

BOOL screenshot(struct IDirectDrawSurfaceImpl *);
void Settings_Load();
void Settings_Save(RECT *lpRect, int windowState);
void DInput_Hook();
void DInput_UnHook();

IDirectDrawImpl *ddraw = NULL;

RECT WindowRect = { .left = -32000, .top = -32000, .right = 0, .bottom = 0 };
int WindowState = -1;
BOOL Direct3D9Active;
BOOL GameHandlesClose;
BOOL ChildWindowExists;
DWORD NvOptimusEnablement = 1;
DWORD AmdPowerXpressRequestHighPerformance = 1;
HMODULE DDrawModule;

//BOOL WINAPI DllMainCRTStartup(HINSTANCE hinstDLL, DWORD dwReason, LPVOID lpvReserved)
BOOL WINAPI DllMain(HANDLE hDll, DWORD dwReason, LPVOID lpReserved)
{
    switch (dwReason)
    {
        case DLL_PROCESS_ATTACH:
        {
            DDrawModule = hDll;

            char buf[1024];
            if (GetEnvironmentVariable("__COMPAT_LAYER", buf, sizeof(buf)))
            {
                char *s = strtok(buf, " ");
                while (s) 
                {
                    if (strcmpi(s, "WIN95") == 0 || strcmpi(s, "WIN98") == 0 || strcmpi(s, "NT4SP5") == 0)
                    {
                        char mes[128] = { 0 };

                        _snprintf(
                            mes, 
                            sizeof(mes), 
                            "Please disable the '%s' compatibility mode for all game executables and "
                                "then try to start the game again.",
                            s);

                        MessageBoxA(NULL, mes, "Compatibility modes detected - cnc-ddraw", MB_OK);

                        //return FALSE;
                        break;
                    }

                    s = strtok(NULL, " ");
                }
            }

            printf("cnc-ddraw DLL_PROCESS_ATTACH\n");
            
            //SetProcessPriorityBoost(GetCurrentProcess(), TRUE);
            
            BOOL setDpiAware = FALSE;
            HMODULE hShcore = GetModuleHandle("shcore.dll");
            typedef HRESULT (__stdcall* SetProcessDpiAwareness_)(PROCESS_DPI_AWARENESS value);
            if(hShcore)
            {
                SetProcessDpiAwareness_ setProcessDpiAwareness = 
                    (SetProcessDpiAwareness_)GetProcAddress(hShcore, "SetProcessDpiAwareness");
                    
                if (setProcessDpiAwareness)
                {
                    HRESULT result = setProcessDpiAwareness(PROCESS_PER_MONITOR_DPI_AWARE);
                    setDpiAware = result == S_OK || result == E_ACCESSDENIED;
                }   
            }
            if (!setDpiAware)
            {
                HMODULE hUser32 = GetModuleHandle("user32.dll");
                typedef BOOL (__stdcall* SetProcessDPIAware_)();
                if(hUser32)
                {
                    SetProcessDPIAware_ setProcessDPIAware = 
                        (SetProcessDPIAware_)GetProcAddress(hUser32, "SetProcessDPIAware");
                        
                    if (setProcessDPIAware) 
                        setProcessDPIAware();
                }
            }
            
            timeBeginPeriod(1);
            DInput_Hook();
            break;
        }
        case DLL_PROCESS_DETACH:
        {
            printf("cnc-ddraw DLL_PROCESS_DETACH\n");
            
            Settings_Save(&WindowRect, WindowState);

            timeEndPeriod(1);
            Hook_Exit();
            DInput_UnHook();
            break;
        }
    }

    return TRUE;
}

BOOL CALLBACK EnumChildProc(HWND hWnd, LPARAM lParam)
{
    IDirectDrawSurfaceImpl *this = (IDirectDrawSurfaceImpl *)lParam;

    RECT size;
    RECT pos;

    if (real_GetClientRect(hWnd, &size) && real_GetWindowRect(hWnd, &pos) && size.right > 1 && size.bottom > 1)
    {
        ChildWindowExists = TRUE;

        HDC hDC = GetDC(hWnd);

        MapWindowPoints(HWND_DESKTOP, ddraw->hWnd, (LPPOINT)&pos, 2);

        BitBlt(hDC, 0, 0, size.right, size.bottom, this->hDC, pos.left, pos.top, SRCCOPY);

        ReleaseDC(hWnd, hDC);
    }

    return FALSE;
}

static unsigned char getPixel(int x, int y)
{
    return ((unsigned char *)ddraw->primary->surface)[y*ddraw->primary->lPitch + x*ddraw->primary->lXPitch];
}

int* InMovie = (int*)0x00665F58;
int* IsVQA640 = (int*)0x0065D7BC;
BYTE* ShouldStretch = (BYTE*)0x00607D78;

BOOL detect_cutscene()
{
    if (ddraw->width <= CUTSCENE_WIDTH || ddraw->height <= CUTSCENE_HEIGHT)
        return FALSE;

    if (ddraw->isredalert)
    {
        if ((*InMovie && !*IsVQA640) || *ShouldStretch)
        {
            return TRUE;
        }
        return FALSE;
    }
    else if (ddraw->iscnc1)
    {
        return getPixel(CUTSCENE_WIDTH + 1, 0) == 0 || getPixel(CUTSCENE_WIDTH + 5, 1) == 0 ? TRUE : FALSE;
    }

    return FALSE;
}

void LimitGameTicks()
{
    if (ddraw->ticksLimiter.hTimer)
    {
        FILETIME ft = { 0 };
        GetSystemTimeAsFileTime(&ft);

        if (CompareFileTime((FILETIME *)&ddraw->ticksLimiter.dueTime, &ft) == -1)
        {
            memcpy(&ddraw->ticksLimiter.dueTime, &ft, sizeof(LARGE_INTEGER));
        }
        else
        {
            WaitForSingleObject(ddraw->ticksLimiter.hTimer, ddraw->ticksLimiter.ticklength * 2);
        }

        ddraw->ticksLimiter.dueTime.QuadPart += ddraw->ticksLimiter.tickLengthNs;
        SetWaitableTimer(ddraw->ticksLimiter.hTimer, &ddraw->ticksLimiter.dueTime, 0, NULL, NULL, FALSE);
    }
    else
    {
        static DWORD nextGameTick;
        if (!nextGameTick)
        {
            nextGameTick = timeGetTime();
            return;
        }
        nextGameTick += ddraw->ticksLimiter.ticklength;
        DWORD tickCount = timeGetTime();

        int sleepTime = nextGameTick - tickCount;
        if (sleepTime <= 0 || sleepTime > ddraw->ticksLimiter.ticklength)
            nextGameTick = tickCount;
        else
            Sleep(sleepTime);
    }
}

void UpdateBnetPos(int newX, int newY)
{
    static int oldX = -32000;
    static int oldY = -32000;

    if (oldX == -32000 || oldY == -32000 || !ddraw->bnetActive)
    {
        oldX = newX;
        oldY = newY;
        return;
    }

    POINT pt = { 0, 0 };
    real_ClientToScreen(ddraw->hWnd, &pt);

    RECT mainrc;
    SetRect(&mainrc, pt.x, pt.y, pt.x + ddraw->width, pt.y + ddraw->height);

    int adjY = 0;
    int adjX = 0;

    HWND hWnd = FindWindowEx(HWND_DESKTOP, NULL, "SDlgDialog", NULL);

    while (hWnd != NULL)
    {
        RECT rc;
        real_GetWindowRect(hWnd, &rc);

        OffsetRect(&rc, newX - oldX, newY - oldY);

        real_SetWindowPos(
            hWnd,
            0,
            rc.left,
            rc.top,
            0,
            0,
            SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE);

        if (rc.bottom - rc.top <= ddraw->height)
        {
            if (rc.bottom > mainrc.bottom && abs(mainrc.bottom - rc.bottom) > abs(adjY))
                adjY = mainrc.bottom - rc.bottom;
            else if (rc.top < mainrc.top && abs(mainrc.top - rc.top) > abs(adjY))
                adjY = mainrc.top - rc.top;
        }

        if (rc.right - rc.left <= ddraw->width)
        {
            if (rc.right > mainrc.right && abs(mainrc.right - rc.right) > abs(adjX))
                adjX = mainrc.right - rc.right;
            else if (rc.left < mainrc.left && abs(mainrc.left - rc.left) > abs(adjX))
                adjX = mainrc.left - rc.left;
        }

        hWnd = FindWindowEx(HWND_DESKTOP, hWnd, "SDlgDialog", NULL);
    }
    
    if (adjX || adjY)
    {
        HWND hWnd = FindWindowEx(HWND_DESKTOP, NULL, "SDlgDialog", NULL);

        while (hWnd != NULL)
        {
            RECT rc;
            real_GetWindowRect(hWnd, &rc);

            OffsetRect(&rc, adjX, adjY);

            real_SetWindowPos(
                hWnd,
                0,
                rc.left,
                rc.top,
                0,
                0,
                SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE);

            hWnd = FindWindowEx(HWND_DESKTOP, hWnd, "SDlgDialog", NULL);
        }
    }

    oldX = newX;
    oldY = newY;
}

HRESULT __stdcall ddraw_Compact(IDirectDrawImpl *This)
{
    printf("??? DirectDraw::Compact(This=%p)\n", This);

    return DD_OK;
}

HRESULT __stdcall ddraw_DuplicateSurface(IDirectDrawImpl *This, LPDIRECTDRAWSURFACE src, LPDIRECTDRAWSURFACE *dest)
{
    printf("??? DirectDraw::DuplicateSurface(This=%p, ...)\n", This);
    return DD_OK;
}

HRESULT __stdcall ddraw_EnumDisplayModes(IDirectDrawImpl *This, DWORD dwFlags, LPDDSURFACEDESC lpDDSurfaceDesc, LPVOID lpContext, LPDDENUMMODESCALLBACK lpEnumModesCallback)
{
    DWORD i = 0;
    DDSURFACEDESC s;

    printf("DirectDraw::EnumDisplayModes(This=%p, dwFlags=%08X, lpDDSurfaceDesc=%p, lpContext=%p, lpEnumModesCallback=%p)\n", This, (unsigned int)dwFlags, lpDDSurfaceDesc, lpContext, lpEnumModesCallback);

    if (lpDDSurfaceDesc != NULL)
    {
        //return DDERR_UNSUPPORTED;
    }

    // Some games crash when you feed them with too many resolutions...

    if (This->bpp)
    {
        printf("    This->bpp=%d\n", This->bpp);

        //set up some filters to keep the list short
        DWORD refreshRate = 0;
        DWORD bpp = 0;
        DWORD flags = 99998;
        DWORD fixedOutput = 99998;
        DEVMODE m;
        memset(&m, 0, sizeof(DEVMODE));
        m.dmSize = sizeof(DEVMODE);

        while (EnumDisplaySettings(NULL, i, &m))
        {
            if (refreshRate != 60 && m.dmDisplayFrequency >= 50)
                refreshRate = m.dmDisplayFrequency;

            if (bpp != 32 && m.dmBitsPerPel >= 16)
                bpp = m.dmBitsPerPel;

            if (flags != 0)
                flags = m.dmDisplayFlags;

            if (fixedOutput != DMDFO_DEFAULT)
                fixedOutput = m.dmDisplayFixedOutput;

            memset(&m, 0, sizeof(DEVMODE));
            m.dmSize = sizeof(DEVMODE);
            i++;
        }

        memset(&m, 0, sizeof(DEVMODE));
        m.dmSize = sizeof(DEVMODE);
        i = 0;
        while (EnumDisplaySettings(NULL, i, &m))
        {
            if (refreshRate == m.dmDisplayFrequency &&
                bpp == m.dmBitsPerPel &&
                flags == m.dmDisplayFlags &&
                fixedOutput == m.dmDisplayFixedOutput)
            {
#if _DEBUG_X
                printf("  %d: %dx%d@%d %d bpp\n", (int)i, (int)m.dmPelsWidth, (int)m.dmPelsHeight, (int)m.dmDisplayFrequency, (int)m.dmBitsPerPel);
#endif
                memset(&s, 0, sizeof(DDSURFACEDESC));
                s.dwSize = sizeof(DDSURFACEDESC);
                s.dwFlags = DDSD_HEIGHT | DDSD_REFRESHRATE | DDSD_WIDTH | DDSD_PIXELFORMAT;
                s.dwHeight = m.dmPelsHeight;
                s.dwWidth = m.dmPelsWidth;
                s.dwRefreshRate = 60;
                s.ddpfPixelFormat.dwSize = sizeof(DDPIXELFORMAT);

                s.ddpfPixelFormat.dwFlags = DDPF_PALETTEINDEXED8 | DDPF_RGB;
                s.ddpfPixelFormat.dwRGBBitCount = 8;
                
                if (This->bpp == 16)
                {
                    s.ddpfPixelFormat.dwFlags = DDPF_RGB;
                    s.ddpfPixelFormat.dwRGBBitCount = 16;
                    s.ddpfPixelFormat.dwRBitMask = 0xF800;
                    s.ddpfPixelFormat.dwGBitMask = 0x07E0;
                    s.ddpfPixelFormat.dwBBitMask = 0x001F;
                }

                if (lpEnumModesCallback(&s, lpContext) == DDENUMRET_CANCEL)
                {
                    printf("    DDENUMRET_CANCEL returned, stopping\n");
                    break;
                }
            }
            memset(&m, 0, sizeof(DEVMODE));
            m.dmSize = sizeof(DEVMODE);
            i++;
        }
    }
    else
    {
        SIZE resolutions[] =
        {
            { 320, 200 },
            { 640, 400 },
            { 640, 480 },
            { 800, 600 },
            { 1024, 768 },
            { 1280, 1024 },
            { 1280, 720 },
            { 1920, 1080 },
        };

        for (i = 0; i < sizeof(resolutions) / sizeof(resolutions[0]); i++)
        {
            memset(&s, 0, sizeof(DDSURFACEDESC));
            s.dwSize = sizeof(DDSURFACEDESC);
            s.dwFlags = DDSD_HEIGHT | DDSD_REFRESHRATE | DDSD_WIDTH | DDSD_PIXELFORMAT;
            s.dwHeight = resolutions[i].cy;
            s.dwWidth = resolutions[i].cx;
            s.dwRefreshRate = 60;
            s.ddpfPixelFormat.dwSize = sizeof(DDPIXELFORMAT);
            s.ddpfPixelFormat.dwFlags = DDPF_PALETTEINDEXED8 | DDPF_RGB;
            s.ddpfPixelFormat.dwRGBBitCount = 8;

            if (lpEnumModesCallback(&s, lpContext) == DDENUMRET_CANCEL)
            {
                printf("    DDENUMRET_CANCEL returned, stopping\n");
                break;
            }

            s.ddpfPixelFormat.dwFlags = DDPF_RGB;
            s.ddpfPixelFormat.dwRGBBitCount = 16;
            s.ddpfPixelFormat.dwRBitMask = 0xF800;
            s.ddpfPixelFormat.dwGBitMask = 0x07E0;
            s.ddpfPixelFormat.dwBBitMask = 0x001F;

            if (lpEnumModesCallback(&s, lpContext) == DDENUMRET_CANCEL)
            {
                printf("    DDENUMRET_CANCEL returned, stopping\n");
                break;
            }
        }
    }

    return DD_OK;
}

HRESULT __stdcall ddraw_EnumSurfaces(IDirectDrawImpl *This, DWORD a, LPDDSURFACEDESC b, LPVOID c, LPDDENUMSURFACESCALLBACK d)
{
    printf("??? DirectDraw::EnumSurfaces(This=%p, ...)\n", This);
    return DD_OK;
}

HRESULT __stdcall ddraw_FlipToGDISurface(IDirectDrawImpl *This)
{
    printf("??? DirectDraw::FlipToGDISurface(This=%p)\n", This);

    return DD_OK;
}

HRESULT __stdcall ddraw_GetCaps(IDirectDrawImpl *This, LPDDCAPS lpDDDriverCaps, LPDDCAPS lpDDEmulCaps)
{
    printf("DirectDraw::GetCaps(This=%p, lpDDDriverCaps=%p, lpDDEmulCaps=%p)\n", This, lpDDDriverCaps, lpDDEmulCaps);

    if(lpDDDriverCaps)
    {
        lpDDDriverCaps->dwSize = sizeof(DDCAPS);
        lpDDDriverCaps->dwCaps = DDCAPS_BLT | DDCAPS_PALETTE | DDCAPS_BLTCOLORFILL | DDCAPS_BLTSTRETCH | DDCAPS_CANCLIP;
        lpDDDriverCaps->dwCKeyCaps = 0;
        lpDDDriverCaps->dwPalCaps = DDPCAPS_8BIT | DDPCAPS_PRIMARYSURFACE;
        lpDDDriverCaps->dwVidMemTotal = 16777216;
        lpDDDriverCaps->dwVidMemFree = 16777216;
        lpDDDriverCaps->dwMaxVisibleOverlays = 0;
        lpDDDriverCaps->dwCurrVisibleOverlays = 0;
        lpDDDriverCaps->dwNumFourCCCodes = 0;
        lpDDDriverCaps->dwAlignBoundarySrc = 0;
        lpDDDriverCaps->dwAlignSizeSrc = 0;
        lpDDDriverCaps->dwAlignBoundaryDest = 0;
        lpDDDriverCaps->dwAlignSizeDest = 0;
        lpDDDriverCaps->ddsCaps.dwCaps = DDSCAPS_FLIP;
    }

    if(lpDDEmulCaps)
    {
        lpDDEmulCaps->dwSize = 0;
    }

    return DD_OK;
}

HRESULT __stdcall ddraw_GetDisplayMode(IDirectDrawImpl *This, LPDDSURFACEDESC a)
{
    printf("??? DirectDraw::GetDisplayMode(This=%p, ...)\n", This);
    return DDERR_UNSUPPORTEDMODE;
}

HRESULT __stdcall ddraw_GetFourCCCodes(IDirectDrawImpl *This, LPDWORD a, LPDWORD b)
{
    printf("??? DirectDraw::GetFourCCCodes(This=%p, ...)\n", This);
    return DD_OK;
}

HRESULT __stdcall ddraw_GetGDISurface(IDirectDrawImpl *This, LPDIRECTDRAWSURFACE *a)
{
    printf("??? DirectDraw::GetGDISurface(This=%p, ...)\n", This);
    return DD_OK;
}

HRESULT __stdcall ddraw_GetMonitorFrequency(IDirectDrawImpl *This, LPDWORD a)
{
    printf("??? DirectDraw::GetMonitorFrequency(This=%p, ...)\n", This);
    return DD_OK;
}

HRESULT __stdcall ddraw_GetScanLine(IDirectDrawImpl *This, LPDWORD a)
{
    printf("??? DirectDraw::GetScanLine(This=%p, ...)\n", This);
    return DD_OK;
}

HRESULT __stdcall ddraw_GetVerticalBlankStatus(IDirectDrawImpl *This, LPBOOL lpbIsInVB)
{
    printf("??? DirectDraw::GetVerticalBlankStatus(This=%p, ...)\n", This);
    *lpbIsInVB = TRUE;
    return DD_OK;
}

HRESULT __stdcall ddraw_Initialize(IDirectDrawImpl *This, GUID *a)
{
    printf("??? DirectDraw::Initialize(This=%p, ...)\n", This);
    return DD_OK;
}

HRESULT __stdcall ddraw_RestoreDisplayMode(IDirectDrawImpl *This)
{
    printf("DirectDraw::RestoreDisplayMode(This=%p)\n", This);

    if(!This->render.run)
    {
        return DD_OK;
    }

    /* only stop drawing in GL mode when minimized */
    if (This->renderer != render_soft_main)
    {
        EnterCriticalSection(&This->cs);
        This->render.run = FALSE;
        ReleaseSemaphore(ddraw->render.sem, 1, NULL);
        LeaveCriticalSection(&This->cs);

        if (This->render.thread)
        {
            WaitForSingleObject(This->render.thread, INFINITE);
            This->render.thread = NULL;
        }

        if (This->renderer == render_d3d9_main)
            Direct3D9_Release();
    }
    
    if(!ddraw->windowed)
    {
        if (!Direct3D9Active)
            ChangeDisplaySettings(NULL, 0);
    }

    return DD_OK;
}

BOOL GetLowestResolution(float ratio, SIZE *outRes, DWORD minWidth, DWORD minHeight, DWORD maxWidth, DWORD maxHeight)
{
    BOOL result = FALSE;
    int orgRatio = (int)(ratio * 100);
    SIZE lowest = { .cx = maxWidth + 1, .cy = maxHeight + 1 };
    DWORD i = 0;
    DEVMODE m;
    memset(&m, 0, sizeof(DEVMODE));
    m.dmSize = sizeof(DEVMODE);

    while (EnumDisplaySettings(NULL, i, &m))
    {
        if  (m.dmPelsWidth >= minWidth &&
            m.dmPelsHeight >= minHeight &&
            m.dmPelsWidth <= maxWidth &&
            m.dmPelsHeight <= maxHeight &&
            m.dmPelsWidth < lowest.cx &&
            m.dmPelsHeight < lowest.cy)
        {
            int resRatio = (int)(((float)m.dmPelsWidth / m.dmPelsHeight) * 100);

            if (resRatio == orgRatio)
            {
                result = TRUE;
                outRes->cx = lowest.cx = m.dmPelsWidth;
                outRes->cy = lowest.cy = m.dmPelsHeight;
            }
        }
        memset(&m, 0, sizeof(DEVMODE));
        m.dmSize = sizeof(DEVMODE);
        i++;
    }

    return result;
}

void InitDirect3D9()
{
    Direct3D9Active = Direct3D9_Create();
    if (!Direct3D9Active)
    {
        Direct3D9_Release();
        ShowDriverWarning = TRUE;
        ddraw->renderer = render_soft_main;
    }
}

// LastSetWindowPosTick = Workaround for a wine+gnome bug where each SetWindowPos call triggers a WA_INACTIVE message
DWORD LastSetWindowPosTick;

HRESULT __stdcall ddraw_SetDisplayMode(IDirectDrawImpl *This, DWORD width, DWORD height, DWORD bpp)
{
    printf("DirectDraw::SetDisplayMode(This=%p, width=%d, height=%d, bpp=%d)\n", This, (unsigned int)width, (unsigned int)height, (unsigned int)bpp);

    if (bpp != 8 && bpp != 16)
        return DDERR_INVALIDMODE;

    if (This->render.thread)
    {
        EnterCriticalSection(&This->cs);
        This->render.run = FALSE;
        ReleaseSemaphore(ddraw->render.sem, 1, NULL);
        LeaveCriticalSection(&This->cs);

        WaitForSingleObject(This->render.thread, INFINITE);
        This->render.thread = NULL;
    }

    if (!This->mode.dmPelsWidth)
    {
        This->mode.dmSize = sizeof(DEVMODE);
        This->mode.dmDriverExtra = 0;

        if (EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &This->mode) == FALSE)
        {
            /* not expected */
            return DDERR_UNSUPPORTED;
        }

        const HANDLE hbicon = LoadImage(GetModuleHandle(0), MAKEINTRESOURCE(IDR_MYMENU), IMAGE_ICON, real_GetSystemMetrics(SM_CXICON), real_GetSystemMetrics(SM_CYICON), 0);
        if (hbicon)
            real_SendMessageA(This->hWnd, WM_SETICON, ICON_BIG, (LPARAM)hbicon);

        const HANDLE hsicon = LoadImage(GetModuleHandle(0), MAKEINTRESOURCE(IDR_MYMENU), IMAGE_ICON, real_GetSystemMetrics(SM_CXSMICON), real_GetSystemMetrics(SM_CYSMICON), 0);
        if (hsicon)
            real_SendMessageA(This->hWnd, WM_SETICON, ICON_SMALL, (LPARAM)hsicon);
    }

    if (ddraw->altenter)
    {
        ddraw->altenter = FALSE;
        This->render.width = ddraw->width;
        This->render.height = ddraw->height;
    }
    else
    {
        This->render.width = WindowRect.right;
        This->render.height = WindowRect.bottom;
    }

    //temporary fix: center window for games that keep changing their resolution
    if (This->width && This->bpp == bpp && (This->width != width || This->height != height))
    {
        WindowRect.left = -32000;
        WindowRect.top = -32000;
    }

    This->width = width;
    This->height = height;
    This->bpp = bpp;

    ddraw->cursor.x = width / 2;
    ddraw->cursor.y = height / 2;

    BOOL border = This->border;

    if(This->fullscreen)
    {
        This->render.width = This->mode.dmPelsWidth;
        This->render.height = This->mode.dmPelsHeight;

        if (This->windowed) //windowed-fullscreen aka borderless
        {
            border = FALSE;
            WindowRect.left = -32000;
            WindowRect.top = -32000;

            // prevent OpenGL from going automatically into fullscreen exclusive mode
            if (This->renderer == render_main)
                This->render.height++;

        }
    }

    if(This->render.width < This->width)
    {
        This->render.width = This->width;
    }
    if(This->render.height < This->height)
    {
        This->render.height = This->height;
    }

    This->render.run = TRUE;
    
    BOOL lockMouse = ddraw->locked || This->fullscreen;
    mouse_unlock();
	
    memset(&This->render.mode, 0, sizeof(DEVMODE));
    This->render.mode.dmSize = sizeof(DEVMODE);
    This->render.mode.dmFields = DM_PELSWIDTH|DM_PELSHEIGHT;
    This->render.mode.dmPelsWidth = This->render.width;
    This->render.mode.dmPelsHeight = This->render.height;
    if(This->render.bpp)
    {
        This->render.mode.dmFields |= DM_BITSPERPEL;
        This->render.mode.dmBitsPerPel = This->render.bpp;
    }
    
    BOOL maintas = ddraw->maintas;

    if (!This->windowed)
    {
        // Making sure the chosen resolution is valid
        int oldWidth = This->render.width;
        int oldHeight = This->render.height;

        if (ChangeDisplaySettings(&This->render.mode, CDS_TEST) != DISP_CHANGE_SUCCESSFUL)
        {
            // fail... compare resolutions
            if (This->render.width > This->mode.dmPelsWidth || This->render.height > This->mode.dmPelsHeight)
            {
                // chosen game resolution higher than current resolution, use windowed mode for this case
                This->windowed = TRUE;
            }
            else
            {
                // Try 2x scaling
                This->render.width *= 2;
                This->render.height *= 2;

                This->render.mode.dmPelsWidth = This->render.width;
                This->render.mode.dmPelsHeight = This->render.height;

                if ((This->render.width > This->mode.dmPelsWidth || This->render.height > This->mode.dmPelsHeight) ||
                    ChangeDisplaySettings(&This->render.mode, CDS_TEST) != DISP_CHANGE_SUCCESSFUL)
                {
                    SIZE res = {0};

                    //try to get a resolution with the same aspect ratio as the requested resolution
                    BOOL foundRes = GetLowestResolution(
                        (float)oldWidth / oldHeight,
                        &res,
                        oldWidth + 1, //don't return the original resolution since we tested that one already
                        oldHeight + 1,
                        This->mode.dmPelsWidth,
                        This->mode.dmPelsHeight);

                    if (!foundRes)
                    {
                        //try to get a resolution with the same aspect ratio as the current display mode
                        foundRes = GetLowestResolution(
                            (float)This->mode.dmPelsWidth / This->mode.dmPelsHeight,
                            &res,
                            oldWidth,
                            oldHeight,
                            This->mode.dmPelsWidth,
                            This->mode.dmPelsHeight);

                        if (foundRes)
                            maintas = TRUE;
                    }

                    This->render.width = res.cx;
                    This->render.height = res.cy;

                    This->render.mode.dmPelsWidth = This->render.width;
                    This->render.mode.dmPelsHeight = This->render.height;
                    
                    if (!foundRes || ChangeDisplaySettings(&This->render.mode, CDS_TEST) != DISP_CHANGE_SUCCESSFUL)
                    {
                        // try current display settings
                        This->render.width = This->mode.dmPelsWidth;
                        This->render.height = This->mode.dmPelsHeight;

                        This->render.mode.dmPelsWidth = This->render.width;
                        This->render.mode.dmPelsHeight = This->render.height;

                        if (ChangeDisplaySettings(&This->render.mode, CDS_TEST) != DISP_CHANGE_SUCCESSFUL)
                        {
                            // everything failed, use windowed mode instead
                            This->render.width = oldWidth;
                            This->render.height = oldHeight;

                            This->render.mode.dmPelsWidth = This->render.width;
                            This->render.mode.dmPelsHeight = This->render.height;

                            This->windowed = TRUE;
                        }
                        else
                            maintas = TRUE;
                    }
                }
            }
        }
    }

    if (!ddraw->handlemouse)
        This->boxing = maintas = FALSE;
    
    This->render.viewport.width = This->render.width;
    This->render.viewport.height = This->render.height;
    This->render.viewport.x = 0;
    This->render.viewport.y = 0;
    
    if (This->boxing)
    {
        This->render.viewport.width = This->width;
        This->render.viewport.height = This->height;

        int i;
        for (i = 20; i-- > 1;)
        {
            if (This->width * i <= This->render.width && This->height * i <= This->render.height)
            {
                This->render.viewport.width *= i;
                This->render.viewport.height *= i;
                break;
            }
        }

        This->render.viewport.y = This->render.height / 2 - This->render.viewport.height / 2;
        This->render.viewport.x = This->render.width / 2 - This->render.viewport.width / 2;
    }
    else if (maintas)
    {
        This->render.viewport.width = This->render.width;
        This->render.viewport.height = ((float)This->height / This->width) * This->render.viewport.width;
        
        if (This->render.viewport.height > This->render.height)
        {
            This->render.viewport.width = 
                ((float)This->render.viewport.width / This->render.viewport.height) * This->render.height;
                
            This->render.viewport.height = This->render.height;
        }
         
        This->render.viewport.y = This->render.height / 2 - This->render.viewport.height / 2;
        This->render.viewport.x = This->render.width / 2 - This->render.viewport.width / 2;
    }
    
    This->render.scaleW = ((float)This->render.viewport.width / This->width);
    This->render.scaleH = ((float)This->render.viewport.height / This->height);
    This->render.unScaleW = ((float)This->width / This->render.viewport.width);
    This->render.unScaleH = ((float)This->height / This->render.viewport.height);

    if (This->windowed)
    {
        MSG msg; // workaround for "Not Responding" window problem in cnc games
        PeekMessage(&msg, ddraw->hWnd, 0, 0, PM_NOREMOVE);

        if (!border)
        {
            real_SetWindowLongA(This->hWnd, GWL_STYLE, GetWindowLong(This->hWnd, GWL_STYLE) & ~(WS_CAPTION | WS_THICKFRAME | WS_MINIMIZE | WS_MAXIMIZE | WS_SYSMENU));
        }
        else
        {
            real_SetWindowLongA(This->hWnd, GWL_STYLE, (GetWindowLong(This->hWnd, GWL_STYLE) | WS_OVERLAPPEDWINDOW) & ~WS_MAXIMIZEBOX);
        }

        if (ddraw->wine)
            real_SetWindowLongA(This->hWnd, GWL_STYLE, (GetWindowLong(This->hWnd, GWL_STYLE) | WS_MINIMIZEBOX) & ~(WS_MAXIMIZEBOX | WS_THICKFRAME));

        /* center the window with correct dimensions */
        int x = (WindowRect.left != -32000) ? WindowRect.left : (This->mode.dmPelsWidth / 2) - (This->render.width / 2);
        int y = (WindowRect.top != -32000) ? WindowRect.top : (This->mode.dmPelsHeight / 2) - (This->render.height / 2);
        RECT dst = { x, y, This->render.width + x, This->render.height + y };
        AdjustWindowRect(&dst, GetWindowLong(This->hWnd, GWL_STYLE), FALSE);
        real_SetWindowPos(ddraw->hWnd, HWND_NOTOPMOST, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE);
        real_MoveWindow(This->hWnd, dst.left, dst.top, (dst.right - dst.left), (dst.bottom - dst.top), TRUE);

        if (This->renderer == render_d3d9_main)
            InitDirect3D9();

        if (lockMouse)
            mouse_lock();
    }
    else
    {
        LONG style = GetWindowLong(This->hWnd, GWL_STYLE);

        if ((style & WS_CAPTION))
        {
            real_SetWindowLongA(This->hWnd, GWL_STYLE, style & ~(WS_CAPTION | WS_THICKFRAME | WS_MINIMIZE | WS_MAXIMIZE | WS_SYSMENU));
        }

        if (This->renderer == render_d3d9_main)
            InitDirect3D9();

        if (!Direct3D9Active && ChangeDisplaySettings(&This->render.mode, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL)
        {
            This->render.run = FALSE;
            return DDERR_INVALIDMODE;
        }

        if (ddraw->wine)
            real_SetWindowLongA(This->hWnd, GWL_STYLE, GetWindowLong(This->hWnd, GWL_STYLE) | WS_MINIMIZEBOX);

        real_SetWindowPos(This->hWnd, HWND_TOPMOST, 0, 0, This->render.width, This->render.height, SWP_SHOWWINDOW);
        LastSetWindowPosTick = timeGetTime();

        mouse_lock();
    }
    
    if(This->render.viewport.x != 0 || This->render.viewport.y != 0)
    {
        RedrawWindow(This->hWnd, NULL, NULL, RDW_ERASE | RDW_INVALIDATE);
    }

    if(This->render.thread == NULL)
    {
        InterlockedExchange(&ddraw->render.paletteUpdated, TRUE);
        InterlockedExchange(&ddraw->render.surfaceUpdated, TRUE);
        ReleaseSemaphore(ddraw->render.sem, 1, NULL);

        This->render.thread = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)This->renderer, NULL, 0, NULL);
    }

    if (ddraw->sierrahack)
    {
        PostMessageA(ddraw->hWnd, WM_MOVE, 0, MAKELPARAM(-32000, -32000));
        PostMessageA(ddraw->hWnd, WM_DISPLAYCHANGE, ddraw->bpp, MAKELPARAM(ddraw->width, ddraw->height));
    }

    return DD_OK;
}

HRESULT __stdcall ddraw_SetDisplayMode2(IDirectDrawImpl *This, DWORD width, DWORD height, DWORD bpp, DWORD refreshRate, DWORD flags)
{
    printf("DirectDraw::SetDisplayMode2(refreshRate=%d, flags=%d)\n", (unsigned int)refreshRate, (unsigned int)flags);

    return ddraw_SetDisplayMode(This, width, height, bpp);
}

void ToggleFullscreen()
{
    if (ddraw->bnetActive)
        return;

    if (ddraw->windowed)
    {
        mouse_unlock();
        WindowState = ddraw->windowed = FALSE;
        real_SetWindowLongA(ddraw->hWnd, GWL_STYLE, GetWindowLong(ddraw->hWnd, GWL_STYLE) & ~(WS_CAPTION | WS_THICKFRAME | WS_MINIMIZE | WS_MAXIMIZE | WS_SYSMENU));
        ddraw->altenter = TRUE;
        ddraw_SetDisplayMode(ddraw, ddraw->width, ddraw->height, ddraw->bpp);
        UpdateBnetPos(0, 0);
        mouse_lock();
    }
    else
    {
        mouse_unlock();
        WindowState = ddraw->windowed = TRUE;

        if (Direct3D9Active)
            Direct3D9_Reset();
        else
            ChangeDisplaySettings(NULL, ddraw->bnetActive ? CDS_FULLSCREEN : 0);

        ddraw_SetDisplayMode(ddraw, ddraw->width, ddraw->height, ddraw->bpp);
        mouse_lock();
    }
}

BOOL UnadjustWindowRectEx(LPRECT prc, DWORD dwStyle, BOOL fMenu, DWORD dwExStyle)
{
    RECT rc;
    SetRectEmpty(&rc);

    BOOL fRc = AdjustWindowRectEx(&rc, dwStyle, fMenu, dwExStyle);
    if (fRc)
    {
        prc->left -= rc.left;
        prc->top -= rc.top;
        prc->right -= rc.right;
        prc->bottom -= rc.bottom;
    }

    return fRc;
}

void SetWindowRect(int x, int y, int width, int height, UINT flags)
{
    if (ddraw->windowed)
    {
        if (ddraw->render.thread)
        {
            EnterCriticalSection(&ddraw->cs);
            ddraw->render.run = FALSE;
            ReleaseSemaphore(ddraw->render.sem, 1, NULL);
            LeaveCriticalSection(&ddraw->cs);

            WaitForSingleObject(ddraw->render.thread, INFINITE);
            ddraw->render.thread = NULL;
        }

        if ((flags & SWP_NOMOVE) == 0)
        {
            WindowRect.left = x;
            WindowRect.top = y;
        }

        if ((flags & SWP_NOSIZE) == 0)
        {
            WindowRect.bottom = height;
            WindowRect.right = width;
        }

        ddraw_SetDisplayMode(ddraw, ddraw->width, ddraw->height, ddraw->bpp);
    }
}

LRESULT CALLBACK WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
    RECT rc = { 0, 0, ddraw->render.width, ddraw->render.height };
    static BOOL inSizeMove = FALSE;
    static int redrawCount = 0;
    
    switch(uMsg)
    {
        //case WM_NCACTIVATE:
        case WM_GETMINMAXINFO:
        case WM_MOVING:
        case WM_NCLBUTTONDOWN:
        case WM_NCLBUTTONUP:
        case WM_NCPAINT:
        {
            return DefWindowProc(hWnd, uMsg, wParam, lParam);
        }
        case WM_NCHITTEST:
        {
            LRESULT result = DefWindowProc(hWnd, uMsg, wParam, lParam);

            if (!ddraw->resizable)
            {
                switch (result)
                {
                    case HTBOTTOM:
                    case HTBOTTOMLEFT:
                    case HTBOTTOMRIGHT:
                    case HTLEFT:
                    case HTRIGHT:
                    case HTTOP:
                    case HTTOPLEFT:
                    case HTTOPRIGHT:
                        return HTBORDER;
                }
            }

            return result;
        }
        case WM_SETCURSOR:
        {
            // show resize cursor on window borders
            if ((HWND)wParam == ddraw->hWnd)
            {
                WORD message = HIWORD(lParam);

                if (message == WM_MOUSEMOVE)
                {
                    WORD htcode = LOWORD(lParam);

                    switch (htcode)
                    {
                        case HTCAPTION:
                        case HTMINBUTTON:
                        case HTMAXBUTTON:
                        case HTCLOSE:
                        case HTBOTTOM:
                        case HTBOTTOMLEFT:
                        case HTBOTTOMRIGHT:
                        case HTLEFT:
                        case HTRIGHT:
                        case HTTOP:
                        case HTTOPLEFT:
                        case HTTOPRIGHT:
                            return DefWindowProc(hWnd, uMsg, wParam, lParam);
                        case HTCLIENT:
                            if (!ddraw->locked)
                                return DefWindowProc(hWnd, uMsg, wParam, lParam);
                        default:
                            break;
                    }
                }
            }

            break;
        }
        case WM_D3D9DEVICELOST:
        {
            if (Direct3D9Active && Direct3D9_OnDeviceLost())
            {
                if (!ddraw->windowed)
                    mouse_lock();
            }
            return 0;
        }
        case WM_TIMER:
        {
            switch (wParam)
            {
                case IDT_TIMER_LEAVE_BNET:
                {
                    KillTimer(ddraw->hWnd, IDT_TIMER_LEAVE_BNET);

                    if (!ddraw->windowed)
                        ddraw->bnetWasFullscreen = FALSE;

                    if (!ddraw->bnetActive)
                    {
                        if (ddraw->bnetWasFullscreen)
                        {
                            int ws = WindowState;
                            ToggleFullscreen();
                            WindowState = ws;
                            ddraw->bnetWasFullscreen = FALSE;
                        }
                        else if (ddraw->bnetWasUpscaled)
                        {
                            SetWindowRect(0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE);
                            ddraw->bnetWasUpscaled = FALSE;
                        }
                    }

                    return 0;
                }   
            }
            break;
        }
        case WM_WINDOWPOSCHANGED:
        {
            WINDOWPOS *pos = (WINDOWPOS *)lParam;

            if (ddraw->wine && !ddraw->windowed && (pos->x > 0 || pos->y > 0) && LastSetWindowPosTick + 500 < timeGetTime())
                PostMessage(ddraw->hWnd, WM_WINEFULLSCREEN, 0, 0);

            break;
        }
        case WM_WINEFULLSCREEN:
        {
            if (!ddraw->windowed)
            {
                LastSetWindowPosTick = timeGetTime();
                real_SetWindowPos(ddraw->hWnd, HWND_TOPMOST, 1, 1, ddraw->render.width, ddraw->render.height, SWP_SHOWWINDOW);
                real_SetWindowPos(ddraw->hWnd, HWND_TOPMOST, 0, 0, ddraw->render.width, ddraw->render.height, SWP_SHOWWINDOW);
            }
            return 0;
        }
        case WM_ENTERSIZEMOVE:
        {
            if (ddraw->windowed)
            {
                inSizeMove = TRUE;
            }
            break;
        }
        case WM_EXITSIZEMOVE:
        {
            if (ddraw->windowed)
            {
                inSizeMove = FALSE;

                if (!ddraw->render.thread)
                    ddraw_SetDisplayMode(ddraw, ddraw->width, ddraw->height, ddraw->bpp);
            }
            break;
        }
        case WM_SIZING:
        {
            RECT *windowrc = (RECT *)lParam;

            if (ddraw->windowed)
            {
                if (inSizeMove)
                {
                    if (ddraw->render.thread)
                    {
                        EnterCriticalSection(&ddraw->cs);
                        ddraw->render.run = FALSE;
                        ReleaseSemaphore(ddraw->render.sem, 1, NULL);
                        LeaveCriticalSection(&ddraw->cs);

                        WaitForSingleObject(ddraw->render.thread, INFINITE);
                        ddraw->render.thread = NULL;
                    }

                    RECT clientrc = { 0 };

                    // maintain aspect ratio
                    if (ddraw->maintas && 
                        CopyRect(&clientrc, windowrc) &&
                        UnadjustWindowRectEx(&clientrc, GetWindowLong(hWnd, GWL_STYLE), FALSE, GetWindowLong(hWnd, GWL_EXSTYLE)) &&
                        SetRect(&clientrc, 0, 0, clientrc.right - clientrc.left, clientrc.bottom - clientrc.top))
                    {
                        float scaleH = (float)ddraw->height / ddraw->width;
                        float scaleW = (float)ddraw->width / ddraw->height;

                        switch (wParam)
                        {
                            case WMSZ_BOTTOMLEFT:
                            case WMSZ_BOTTOMRIGHT:
                            case WMSZ_LEFT:
                            case WMSZ_RIGHT:
                            {
                                windowrc->bottom += scaleH * clientrc.right - clientrc.bottom;
                                break;
                            }
                            case WMSZ_TOP:
                            case WMSZ_BOTTOM:
                            {
                                windowrc->right += scaleW * clientrc.bottom - clientrc.right;
                                break;
                            }
                            case WMSZ_TOPRIGHT:
                            case WMSZ_TOPLEFT:
                            {
                                windowrc->top -= scaleH * clientrc.right - clientrc.bottom;
                                break;
                            }
                        }
                    }

                    //enforce minimum window size
                    if (CopyRect(&clientrc, windowrc) &&
                        UnadjustWindowRectEx(&clientrc, GetWindowLong(hWnd, GWL_STYLE), FALSE, GetWindowLong(hWnd, GWL_EXSTYLE)) &&
                        SetRect(&clientrc, 0, 0, clientrc.right - clientrc.left, clientrc.bottom - clientrc.top))
                    {
                        if (clientrc.right < ddraw->width)
                        {
                            switch (wParam)
                            {
                                case WMSZ_TOPRIGHT:
                                case WMSZ_BOTTOMRIGHT:
                                case WMSZ_RIGHT:
                                case WMSZ_BOTTOM:
                                case WMSZ_TOP:
                                {
                                    windowrc->right += ddraw->width - clientrc.right; 
                                    break;
                                }
                                case WMSZ_TOPLEFT:
                                case WMSZ_BOTTOMLEFT:
                                case WMSZ_LEFT:
                                {
                                    windowrc->left -= ddraw->width - clientrc.right; 
                                    break;
                                }
                            }
                        }
                            
                        if (clientrc.bottom < ddraw->height)
                        {
                            switch (wParam)
                            {
                                case WMSZ_BOTTOMLEFT:
                                case WMSZ_BOTTOMRIGHT:
                                case WMSZ_BOTTOM:
                                case WMSZ_RIGHT:
                                case WMSZ_LEFT:
                                {
                                    windowrc->bottom += ddraw->height - clientrc.bottom; 
                                    break;
                                }
                                case WMSZ_TOPLEFT:
                                case WMSZ_TOPRIGHT:
                                case WMSZ_TOP:
                                {
                                    windowrc->top -= ddraw->height - clientrc.bottom; 
                                    break;
                                }
                            }
                        }
                    }

                    //save new window position
                    if (CopyRect(&clientrc, windowrc) &&
                        UnadjustWindowRectEx(&clientrc, GetWindowLong(hWnd, GWL_STYLE), FALSE, GetWindowLong(hWnd, GWL_EXSTYLE)))
                    {
                        WindowRect.left = clientrc.left;
                        WindowRect.top = clientrc.top;
                        WindowRect.right = clientrc.right - clientrc.left;
                        WindowRect.bottom = clientrc.bottom - clientrc.top;
                    }

                    return TRUE;
                }
            }
            break;
        }
        case WM_SIZE: 
        {
            if (ddraw->windowed)
            {
                if (wParam == SIZE_RESTORED)
                {
                    if (inSizeMove && !ddraw->render.thread)
                    {
                        WindowRect.right = LOWORD(lParam);
                        WindowRect.bottom = HIWORD(lParam);
                    }
                    /*
                    else if (ddraw->wine)
                    {
                        WindowRect.right = LOWORD(lParam);
                        WindowRect.bottom = HIWORD(lParam);
                        if (WindowRect.right != ddraw->render.width || WindowRect.bottom != ddraw->render.height)
                            ddraw_SetDisplayMode(ddraw, ddraw->width, ddraw->height, ddraw->bpp);
                    }
                    */
                }
            }

            if (!ddraw->handlemouse)
            {
                redrawCount = 2;
                RedrawWindow(hWnd, NULL, NULL, RDW_INVALIDATE | RDW_ALLCHILDREN);
            }

            return DefWindowProc(hWnd, uMsg, wParam, lParam); /* Carmageddon fix */
        }
        case WM_MOVE:
        {
            if (ddraw->windowed)
            {
                int x = (int)(short)LOWORD(lParam);
                int y = (int)(short)HIWORD(lParam);

                if (x != -32000 && y != -32000)
                    UpdateBnetPos(x, y);

                if (inSizeMove || ddraw->wine)
                {
                    if (x != -32000)
                        WindowRect.left = x; // -32000 = Exit/Minimize

                    if (y != -32000)
                        WindowRect.top = y;
                }
            }
            
            if (!ddraw->handlemouse)
                RedrawWindow(hWnd, NULL, NULL, RDW_INVALIDATE | RDW_ALLCHILDREN);

            if (ddraw->sierrahack)
            {
                lParam = 0;
                break;
            }

            return DefWindowProc(hWnd, uMsg, wParam, lParam); /* Carmageddon fix */
        }

        /* C&C and RA really don't want to close down */
        case WM_SYSCOMMAND:
            if (wParam == SC_CLOSE && !GameHandlesClose)
            {
                exit(0);
            }

            if (wParam == SC_KEYMENU)
                return 0;

            if (!GameHandlesClose)
                return DefWindowProc(hWnd, uMsg, wParam, lParam);

            break;

        //workaround for a bug where sometimes a background window steals the focus
        case WM_WINDOWPOSCHANGING:
        {
            if (ddraw->locked)
            {
                WINDOWPOS *pos = (WINDOWPOS *)lParam;
                
                if (pos->flags == SWP_NOMOVE + SWP_NOSIZE)
                {
                    mouse_unlock();
                    
                    if (GetForegroundWindow() == ddraw->hWnd)
                        mouse_lock();
                }
            }
            break;
        }

        case WM_MOUSELEAVE:
            mouse_unlock();
            return 0;

        case WM_ACTIVATE:
            if (wParam == WA_ACTIVE || wParam == WA_CLICKACTIVE)
            {
                if (!ddraw->windowed)
                {
                    if (!Direct3D9Active)
                    {
                        ChangeDisplaySettings(&ddraw->render.mode, CDS_FULLSCREEN);

                        if (wParam == WA_ACTIVE)
                        {
                            mouse_lock();
                        }
                    }
                }

                if (!ddraw->handlemouse)
                    RedrawWindow(hWnd, NULL, NULL, RDW_INVALIDATE | RDW_ALLCHILDREN);
            }
            else if (wParam == WA_INACTIVE)
            {
                if (!ddraw->windowed && !ddraw->locked && ddraw->noactivateapp && !ddraw->devmode)
                    return 0;

                mouse_unlock();

                if (ddraw->wine && LastSetWindowPosTick + 500 > timeGetTime())
                    return 0;

                /* minimize our window on defocus when in fullscreen */
                if (!ddraw->windowed)
                {
                    if (!Direct3D9Active)
                    {
                        ShowWindow(ddraw->hWnd, SW_MINIMIZE);
                        ChangeDisplaySettings(NULL, ddraw->bnetActive ? CDS_FULLSCREEN : 0);
                    }
                }
            }
            return 0;

        case WM_ACTIVATEAPP:
            /* C&C and RA stop drawing when they receive this with FALSE wParam, disable in windowed mode */
            if (ddraw->windowed || ddraw->noactivateapp)
            {
                // let it pass through once (tiberian sun)
                static BOOL oneTime;
                if (wParam && !oneTime && !ddraw->handlemouse && ddraw->noactivateapp)
                {
                    oneTime = TRUE;
                    break;
                }

                return 0;
            }
            break;
        case WM_AUTORENDERER:
        {
            mouse_unlock();
            real_SetWindowPos(ddraw->hWnd, HWND_BOTTOM, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE);
            real_SetWindowPos(ddraw->hWnd, HWND_TOPMOST, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE);
            mouse_lock();
            return 0;
        }
        case WM_NCLBUTTONDBLCLK:
        {
            ToggleFullscreen();
            return 0;
        }
        case WM_SYSKEYDOWN:
        {
            BOOL contextCode = (lParam & (1 << 29)) != 0;
            BOOL keyState    = (lParam & (1 << 30)) != 0;

            if (wParam == VK_RETURN && contextCode && !keyState)
            {
                ToggleFullscreen();
                return 0;
            }
            break;
        }
        case WM_KEYDOWN:
            if(wParam == VK_CONTROL || wParam == VK_TAB)
            {
                if(GetAsyncKeyState(VK_CONTROL) & 0x8000 && GetAsyncKeyState(VK_TAB) & 0x8000)
                {
                    mouse_unlock();
                    return 0;
                }
            }
            if (wParam == VK_CONTROL || wParam == VK_MENU)
            {
                if ((GetAsyncKeyState(VK_RMENU) & 0x8000) && GetAsyncKeyState(VK_RCONTROL) & 0x8000)
                {
                    mouse_unlock();
                    return 0;
                }
            }
            break;

        case WM_KEYUP:
            if (wParam == VK_SNAPSHOT)
                screenshot(ddraw->primary);

            break;
            

        /* button up messages reactivate cursor lock */
        case WM_LBUTTONUP:
        case WM_RBUTTONUP:
        case WM_MBUTTONUP:
            if (!ddraw->devmode && !ddraw->locked)
            {
                int x = GET_X_LPARAM(lParam);
                int y = GET_Y_LPARAM(lParam);
                
                if (x > ddraw->render.viewport.x + ddraw->render.viewport.width || 
                    x < ddraw->render.viewport.x || 
                    y > ddraw->render.viewport.y + ddraw->render.viewport.height ||
                    y < ddraw->render.viewport.y)
                {
                    ddraw->cursor.x = ddraw->width / 2;
                    ddraw->cursor.y = ddraw->height / 2;
                }    
                else
                {
                    ddraw->cursor.x = (x - ddraw->render.viewport.x) * ddraw->render.unScaleW;
                    ddraw->cursor.y = (y - ddraw->render.viewport.y) * ddraw->render.unScaleH;
                }

                mouse_lock();
                return 0;
            }
            /* fall through for lParam */

        /* down messages are ignored if we have no cursor lock */
        case WM_XBUTTONDBLCLK:
        case WM_XBUTTONDOWN:
        case WM_XBUTTONUP:
        case WM_MOUSEWHEEL:
        case WM_MOUSEHOVER:
        case WM_LBUTTONDBLCLK:
        case WM_MBUTTONDBLCLK:
        case WM_RBUTTONDBLCLK:
        case WM_LBUTTONDOWN:
        case WM_RBUTTONDOWN:
        case WM_MBUTTONDOWN:
        case WM_MOUSEMOVE:

            if (!ddraw->devmode)
            {
                if (!ddraw->locked)
                {
                    return 0;
                }
                
                if(ddraw->adjmouse)
                {
                    fake_GetCursorPos(NULL); /* update our own cursor */
                    lParam = MAKELPARAM(ddraw->cursor.x, ddraw->cursor.y);
                }
            }

            if (ddraw->devmode)
            {
                mouse_lock();
                ddraw->cursor.x = GET_X_LPARAM(lParam);
                ddraw->cursor.y = GET_Y_LPARAM(lParam);
            }
            break;

        case WM_PARENTNOTIFY:
        {
            if (!ddraw->handlemouse)
            {
                switch (LOWORD(wParam))
                {
                    case WM_DESTROY: //Workaround for invisible menu on Load/Save/Delete in Tiberian Sun
                        redrawCount = 2;
                        break;
                    case WM_LBUTTONDOWN:
                    case WM_MBUTTONDOWN:
                    case WM_RBUTTONDOWN:
                    case WM_XBUTTONDOWN:
                    {
                        if (!ddraw->devmode && !ddraw->locked)
                        {
                            int x = GET_X_LPARAM(lParam);
                            int y = GET_Y_LPARAM(lParam);

                            ddraw->cursor.x = (x - ddraw->render.viewport.x) * ddraw->render.unScaleW;
                            ddraw->cursor.y = (y - ddraw->render.viewport.y) * ddraw->render.unScaleH;

                            ddraw->hidecursor = FALSE;
                            mouse_lock();
                        }
                        break;
                    }
                }
            }
            break;
        }
        case WM_PAINT:
        {
            if (!ddraw->handlemouse && redrawCount > 0)
            {
                redrawCount--;
                RedrawWindow(hWnd, NULL, NULL, RDW_INVALIDATE | RDW_ALLCHILDREN);
            }

            EnterCriticalSection(&ddraw->cs);
            ReleaseSemaphore(ddraw->render.sem, 1, NULL);
            LeaveCriticalSection(&ddraw->cs);
            break;
        }
        case WM_ERASEBKGND:
        {
            EnterCriticalSection(&ddraw->cs);
            FillRect(ddraw->render.hDC, &rc, (HBRUSH)GetStockObject(BLACK_BRUSH));
            ReleaseSemaphore(ddraw->render.sem, 1, NULL);
            LeaveCriticalSection(&ddraw->cs);
            break;
        }
    }

    return ddraw->WndProc(hWnd, uMsg, wParam, lParam);
}

HRESULT __stdcall ddraw_SetCooperativeLevel(IDirectDrawImpl *This, HWND hWnd, DWORD dwFlags)
{
    PIXELFORMATDESCRIPTOR pfd;

    printf("DirectDraw::SetCooperativeLevel(This=%p, hWnd=0x%08X, dwFlags=0x%08X)\n", This, (unsigned int)hWnd, (unsigned int)dwFlags);

    /* Red Alert for some weird reason does this on Windows XP */
    if(hWnd == NULL)
    {
        return DD_OK;
    }

    if (This->hWnd == NULL)
    {
        This->hWnd = hWnd;
    }

    if (!This->WndProc)
    {
        Hook_Init();

        This->WndProc = (LRESULT(CALLBACK *)(HWND, UINT, WPARAM, LPARAM))GetWindowLong(hWnd, GWL_WNDPROC);

        real_SetWindowLongA(This->hWnd, GWL_WNDPROC, (LONG)WndProc);

        if (!This->render.hDC)
        {
            This->render.hDC = GetDC(This->hWnd);

            memset(&pfd, 0, sizeof(PIXELFORMATDESCRIPTOR));
            pfd.nSize = sizeof(PIXELFORMATDESCRIPTOR);
            pfd.nVersion = 1;
            pfd.dwFlags = PFD_DRAW_TO_WINDOW | PFD_DOUBLEBUFFER | (This->renderer == render_main ? PFD_SUPPORT_OPENGL : 0);
            pfd.iPixelType = PFD_TYPE_RGBA;
            pfd.cColorBits = ddraw->render.bpp ? ddraw->render.bpp : ddraw->mode.dmBitsPerPel;
            pfd.iLayerType = PFD_MAIN_PLANE;
            SetPixelFormat(This->render.hDC, ChoosePixelFormat(This->render.hDC, &pfd), &pfd);
        }

        if (ddraw->handlemouse && ddraw->windowed)
        {
            while (real_ShowCursor(FALSE) > 0); //workaround for direct input games
            while (real_ShowCursor(TRUE) < 0);
        }

        real_SetCursor(LoadCursor(NULL, IDC_ARROW));

        GetWindowText(This->hWnd, (LPTSTR)&This->title, sizeof(This->title));

        ddraw->isredalert = strcmp(This->title, "Red Alert") == 0;
        ddraw->iscnc1 = strcmp(This->title, "Command & Conquer") == 0;

        if (This->vhack && !ddraw->isredalert && !ddraw->iscnc1)
            This->vhack = 0;
    }

    return DD_OK;
}

HRESULT __stdcall ddraw_WaitForVerticalBlank(IDirectDrawImpl *This, DWORD a, HANDLE b)
{
#if _DEBUG_X
    printf("??? DirectDraw::WaitForVerticalBlank(This=%p, ...)\n", This);
#endif
    return DD_OK;
}

HRESULT __stdcall ddraw_GetAvailableVidMem(IDirectDrawImpl *This, LPDDSCAPS lpDDCaps, LPDWORD lpdwTotal, LPDWORD lpdwFree)
{
    printf("??? DirectDraw::GetAvailableVidMem(This=%p)\n", This);

    *lpdwTotal = 16777216;
    *lpdwFree = 16777216;

    return DD_OK;
}

ULONG __stdcall ddraw_AddRef(IDirectDrawImpl *This)
{
    printf("DirectDraw::AddRef(This=%p)\n", This);

    This->Ref++;

    return This->Ref;
}

HRESULT __stdcall ddraw_QueryInterface(IDirectDrawImpl *This, REFIID riid, void **obj)
{
    printf("DirectDraw::QueryInterface(This=%p, riid=%08X, obj=%p)\n", This, (unsigned int)riid, obj);

    if (riid && !IsEqualGUID(&IID_IDirectDraw, riid))
    {
        printf("  GUID = %08X\n", ((GUID *)riid)->Data1);

        ddraw_AddRef(This);
        *obj = This;

        if (!IsEqualGUID(&IID_IMediaStream, riid) && !IsEqualGUID(&IID_IAMMediaStream, riid))
            This->lpVtbl->SetDisplayMode2 = ddraw_SetDisplayMode2;

        return S_OK;
    }

    *obj = This;

    return DDERR_UNSUPPORTED;
}

ULONG __stdcall ddraw_Release(IDirectDrawImpl *This)
{
    printf("DirectDraw::Release(This=%p)\n", This);

    This->Ref--;

    if(This->Ref == 0)
    {
        printf("    Released (%p)\n", This);

        if (This->bpp)
            Settings_Save(&WindowRect, WindowState);

        if(This->render.run)
        {
            EnterCriticalSection(&This->cs);
            This->render.run = FALSE;
            ReleaseSemaphore(ddraw->render.sem, 1, NULL);
            LeaveCriticalSection(&This->cs);

            if (This->render.thread)
            {
                WaitForSingleObject(This->render.thread, INFINITE);
                This->render.thread = NULL;
            }

            if (This->renderer == render_d3d9_main)
            {
                Direct3D9_Release();
            }
            else if (!ddraw->windowed)
            {
                ChangeDisplaySettings(NULL, 0);
            }
        }

        if(This->render.hDC)
        {
            ReleaseDC(This->hWnd, This->render.hDC);
            This->render.hDC = NULL;
        }

        if (This->ticksLimiter.hTimer)
        {
            CancelWaitableTimer(This->ticksLimiter.hTimer);
            CloseHandle(This->ticksLimiter.hTimer);
            This->ticksLimiter.hTimer = NULL;
        }

        if (This->flipLimiter.hTimer)
        {
            CancelWaitableTimer(This->flipLimiter.hTimer);
            CloseHandle(This->flipLimiter.hTimer);
            This->flipLimiter.hTimer = NULL;
        }

        if (This->fpsLimiter.hTimer)
        {
            CancelWaitableTimer(This->fpsLimiter.hTimer);
            CloseHandle(This->fpsLimiter.hTimer);
            This->fpsLimiter.hTimer = NULL;
        }

        DeleteCriticalSection(&This->cs);

        /* restore old wndproc, subsequent ddraw creation will otherwise fail */
        real_SetWindowLongA(This->hWnd, GWL_WNDPROC, (LONG)This->WndProc);
        HeapFree(GetProcessHeap(), 0, This);
        ddraw = NULL;
        return 0;
    }
    else
    {
        if (!This->tm2hack)
            This->lpVtbl->SetDisplayMode1 = ddraw_SetDisplayMode;
    }

    if (This->tm2hack)
        return 0;

    return This->Ref;
}

struct IDirectDrawImplVtbl iface =
{
    /* IUnknown */
    ddraw_QueryInterface,
    ddraw_AddRef,
    ddraw_Release,
    /* IDirectDrawImpl */
    ddraw_Compact,
    ddraw_CreateClipper,
    ddraw_CreatePalette,
    ddraw_CreateSurface,
    ddraw_DuplicateSurface,
    ddraw_EnumDisplayModes,
    ddraw_EnumSurfaces,
    ddraw_FlipToGDISurface,
    ddraw_GetCaps,
    ddraw_GetDisplayMode,
    ddraw_GetFourCCCodes,
    ddraw_GetGDISurface,
    ddraw_GetMonitorFrequency,
    ddraw_GetScanLine,
    ddraw_GetVerticalBlankStatus,
    ddraw_Initialize,
    ddraw_RestoreDisplayMode,
    ddraw_SetCooperativeLevel,
    ddraw_SetDisplayMode,
    ddraw_WaitForVerticalBlank,
    ddraw_GetAvailableVidMem
};

HRESULT WINAPI DirectDrawCreateClipper(DWORD dwFlags, LPDIRECTDRAWCLIPPER FAR  *lplpDDClipper, IUnknown FAR *pUnkOuter)
{
    return ddraw_CreateClipper(NULL, dwFlags, lplpDDClipper, pUnkOuter);
}

HRESULT WINAPI DirectDrawEnumerateA(LPDDENUMCALLBACK lpCallback, LPVOID lpContext)
{
    printf("??? DirectDrawEnumerateA(lpCallback=%p, lpContext=%p)\n", lpCallback, lpContext);

    if (lpCallback)
        lpCallback(NULL, "display", "(null)", lpContext);

    return DD_OK;
}

int stdout_open = 0;
HRESULT WINAPI DirectDrawCreate(GUID FAR* lpGUID, LPDIRECTDRAW FAR* lplpDD, IUnknown FAR* pUnkOuter) 
{
#if _DEBUG
    if(!stdout_open)
    {
        freopen("cnc-ddraw.log", "w", stdout);
        setvbuf(stdout, NULL, _IOLBF, 1024);
        stdout_open = 1;

        HKEY hKey;
        LONG status = 
            RegOpenKeyExA(HKEY_LOCAL_MACHINE, "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion", 0L, KEY_READ, &hKey);

        if (status == ERROR_SUCCESS)
        {
            char name[256] = {0};
            DWORD nameSize = sizeof(name);
            RegQueryValueExA(hKey, "ProductName", NULL, NULL, (PVOID)&name, &nameSize);

            char build[256] = {0};
            DWORD buildSize = sizeof(build);
            RegQueryValueExA(hKey, "BuildLab", NULL, NULL, (PVOID)&build, &buildSize);

            printf("%s (%s)\n", name, build);
        }
    }
#endif

    printf("DirectDrawCreate(lpGUID=%p, lplpDD=%p, pUnkOuter=%p)\n", lpGUID, lplpDD, pUnkOuter);

    if(ddraw)
    {
        /* FIXME: check the calling module before passing the call! */
        if (ddraw->DirectDrawCreate)
            return ddraw->DirectDrawCreate(lpGUID, lplpDD, pUnkOuter);

        return DDERR_DIRECTDRAWALREADYCREATED;
    } 

    IDirectDrawImpl *This = (IDirectDrawImpl *)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectDrawImpl));
    This->lpVtbl = &iface;
    printf(" This = %p\n", This);
    *lplpDD = (LPDIRECTDRAW)This;
    This->Ref = 0;
    ddraw_AddRef(This);

    ddraw = This;

    if (!This->real_dll)
        This->real_dll = LoadLibrary("system32\\ddraw.dll");

    if(This->real_dll && !This->DirectDrawCreate)
    {
        This->DirectDrawCreate =
            (HRESULT(WINAPI *)(GUID FAR*, LPDIRECTDRAW FAR*, IUnknown FAR*))GetProcAddress(This->real_dll, "DirectDrawCreate");
    
        if (This->DirectDrawCreate == DirectDrawCreate)
            This->DirectDrawCreate = NULL;
    }

    InitializeCriticalSection(&This->cs);
    This->render.sem = CreateSemaphore(NULL, 0, 1, NULL);

    This->wine = GetProcAddress(GetModuleHandleA("ntdll.dll"), "wine_get_version") != 0;

    Settings_Load();

    return DD_OK;
}