/*
Copyright (C) 1996-1997 Id Software, Inc.

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  

See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

*/

#include "quakedef.h"
#include "winquake.h"
#include "cdaudio.h"
#include "d_local.h"
#include "keys.h"
#include "resource.h"
#include "sound.h"

#pragma warning( disable : 4229 )  // mgraph gets this
#include <mgraph.h>

#define	MINIMUM_MEMORY	0x550000

#define MAX_MODE_LIST	128
#define VID_ROW_SIZE	3

qboolean	dibonly;

HWND		mainwindow;

HWND WINAPI InitializeWindow (HINSTANCE hInstance, int nCmdShow);

int			DIBWidth, DIBHeight;
qboolean	DDActive;
RECT		WindowRect;
DWORD		WindowStyle, ExWindowStyle;

int			window_center_x, window_center_y, window_x, window_y, window_width, window_height;
RECT		window_rect;

static DEVMODE	gdevmode;
static qboolean	startwindowed = 0, windowed_mode_set;
static int		firstupdate = 1;
static qboolean	vid_initialized = false, vid_palettized;
static int		lockcount;
static int		vid_fulldib_on_focus_mode;
static qboolean	force_minimized, in_mode_set, is_mode0x13, force_mode_set;
static int		vid_stretched, windowed_mouse;
static qboolean	palette_changed, syscolchg, vid_mode_set, hide_window, pal_is_nostatic;
static HICON	hIcon;
extern qboolean mouseactive; // from in_win.c

#define MODE_WINDOWED			0
#define MODE_SETTABLE_WINDOW	2
#define NO_MODE					(MODE_WINDOWED - 1)
#define MODE_FULLSCREEN_DEFAULT	(MODE_WINDOWED + 3)

// Note that 0 is MODE_WINDOWED
cvar_t		vid_mode = {"vid_mode","0"};
// Note that 0 is MODE_WINDOWED
cvar_t		_vid_default_mode = {"_vid_default_mode", "0", CVAR_ARCHIVE};
// Note that 3 is MODE_FULLSCREEN_DEFAULT
cvar_t		_vid_default_mode_win = {"_vid_default_mode_win", "3", CVAR_ARCHIVE};
cvar_t		vid_nopageflip = {"vid_nopageflip", "0", CVAR_ARCHIVE};
cvar_t		vid_config_x = {"vid_config_x", "800", CVAR_ARCHIVE};
cvar_t		vid_config_y = {"vid_config_y", "600", CVAR_ARCHIVE};
cvar_t		vid_stretch_by_2 = {"vid_stretch_by_2", "1", CVAR_ARCHIVE};
cvar_t		_windowed_mouse = {"_windowed_mouse", "1", CVAR_ARCHIVE};
cvar_t		vid_fullscreen_mode = {"vid_fullscreen_mode", "3", CVAR_ARCHIVE};
cvar_t		vid_windowed_mode = {"vid_windowed_mode", "0", CVAR_ARCHIVE};
cvar_t		block_switch = {"block_switch", "0", CVAR_ARCHIVE};
cvar_t		vid_window_x = {"vid_window_x", "0", CVAR_ARCHIVE};
cvar_t		vid_window_y = {"vid_window_y", "0", CVAR_ARCHIVE};
cvar_t		vid_resetonswitch = {"vid_resetonswitch", "0", CVAR_ARCHIVE};
cvar_t		vid_displayfrequency = {"vid_displayfrequency", "0"};

typedef struct {
	int		width;
	int		height;
} lmode_t;

lmode_t	lowresmodes[] = {
	{320, 200},
	{320, 240},
	{400, 300},
	{512, 384},
};

int			vid_modenum = NO_MODE;
int			vid_testingmode, vid_realmode;
double		vid_testendtime;
int			vid_default = MODE_WINDOWED;
static int	windowed_default;

modestate_t	modestate = MS_UNINIT;

static byte		*vid_surfcache;
static int		vid_surfcachesize;
static int		VID_highhunkmark;

unsigned char	vid_curpal[256*3];

unsigned short	d_8to16table[256];
unsigned	d_8to24table[256];

int			driver = grDETECT,mode;
qboolean	useWinDirect = true, useDirectDraw = true;
MGLDC		*mgldc = NULL,*memdc = NULL,*dibdc = NULL,*windc = NULL;

typedef struct {
	modestate_t	type;
	int			width;
	int			height;
	int			modenum;
	int			mode13;
	int			stretched;
	int			dib;
	int			fullscreen;
	int			bpp;
	int			halfscreen;
	char		modedesc[17];
	int			frequency;
} vmode_t;

static vmode_t	modelist[MAX_MODE_LIST];
static int		nummodes;
static vmode_t	*pcurrentmode;

int		aPage;					// Current active display page
int		vPage;					// Current visible display page
int		waitVRT = true;			// True to wait for retrace on flip

static vmode_t	badmode;

static byte	backingbuf[48*24];

void VID_MenuDraw (void);
void VID_MenuKey (int key);

LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
void AppActivate(BOOL fActive, BOOL minimize);

qboolean msg_suppress_1 = 0;	// suppresses resolution and cache size console output
								// at fullscreen DIB focus gain/loss

void VID_SetCaption (char *text) {
	if (vid_initialized)
		SetWindowText (mainwindow, text);
}

void VID_RememberWindowPos (void) {
	RECT rect;

	if (GetWindowRect (mainwindow, &rect)) {
		if (rect.left < GetSystemMetrics (SM_CXSCREEN) && rect.top < GetSystemMetrics (SM_CYSCREEN) &&
			rect.right > 0 && rect.bottom > 0)
		{
			Cvar_SetValue (&vid_window_x, (float)rect.left);
			Cvar_SetValue (&vid_window_y, (float)rect.top);
		}
	}
}

void VID_CheckWindowXY (void) {
	if ((int) vid_window_x.value > GetSystemMetrics (SM_CXSCREEN) - 160 ||
		(int) vid_window_y.value > GetSystemMetrics (SM_CYSCREEN) - 120 ||
		(int) vid_window_x.value < 0 || (int) vid_window_y.value < 0)
	{
		Cvar_SetValue (&vid_window_x, 0.0);
		Cvar_SetValue (&vid_window_y, 0.0);
	}
}

void VID_UpdateWindowStatus (void) {
	window_rect.left = window_x;
	window_rect.top = window_y;
	window_rect.right = window_x + window_width;
	window_rect.bottom = window_y + window_height;
	window_center_x = (window_rect.left + window_rect.right) / 2;
	window_center_y = (window_rect.top + window_rect.bottom) / 2;

	IN_UpdateClipCursor ();
}

void IN_ClearStates (void);
void ClearAllStates (void) {
	int i;
	extern qboolean keydown[256];
	
	// send an up event for each key, to make sure the server clears them all
	for (i = 0; i < 256; i++) {
		if (keydown[i])
			Key_Event (i, false);
	}

	Key_ClearStates ();
	IN_ClearStates ();
}

qboolean VID_CheckAdequateMem (int width, int height) {
	int tbuffersize;

	tbuffersize = width * height * sizeof (*d_pzbuffer);

	tbuffersize += D_SurfaceCacheForRes (width, height);

	// see if there's enough memory, allowing for the normal mode 0x13 pixel, z, and surface buffers
	if ((host_memsize - tbuffersize + SURFCACHE_SIZE_AT_320X200 +  0x10000 * 3) < MINIMUM_MEMORY)
		return false;		// not enough memory for mode

	return true;
}

qboolean VID_AllocBuffers (int width, int height) {
	int tsize, tbuffersize;

	tbuffersize = width * height * sizeof (*d_pzbuffer);

	tsize = D_SurfaceCacheForRes (width, height);

	tbuffersize += tsize;

	// see if there's enough memory, allowing for the normal mode 0x13 pixel, z, and surface buffers
	if ((host_memsize - tbuffersize + SURFCACHE_SIZE_AT_320X200 + 0x10000 * 3) < MINIMUM_MEMORY) {
		Com_Printf ("Not enough memory for video mode\n");
		return false;		// not enough memory for mode
	}

	vid_surfcachesize = tsize;

	if (d_pzbuffer) {
		D_FlushCaches ();
		Hunk_FreeToHighMark (VID_highhunkmark);
		d_pzbuffer = NULL;
	}

	VID_highhunkmark = Hunk_HighMark ();

	d_pzbuffer = Hunk_HighAllocName (tbuffersize, "video");

	vid_surfcache = (byte *) d_pzbuffer + width * height * sizeof (*d_pzbuffer);
	
	return true;
}

void initFatalError(void) {
	MGL_exit();
	MGL_fatalError(MGL_errorMsg(MGL_result()));
	exit(EXIT_FAILURE);
}

int VID_Suspend (MGLDC *dc, int flags) {
	if (flags & MGL_DEACTIVATE) {
		// FIXME: this doesn't currently work on NT
		if (block_switch.value && !WinNT)
			return MGL_NO_DEACTIVATE;

		S_BlockSound ();
		S_ClearBuffer ();
		IN_RestoreOriginalMouseState ();
		CDAudio_Pause ();
		// keep WM_PAINT from trying to redraw
		in_mode_set = true;
		block_drawing = true;	// so we don't try to draw while switched away

		return MGL_NO_SUSPEND_APP;
	} else if (flags & MGL_REACTIVATE) {
		IN_SetQuakeMouseState ();
		// fix the leftover Alt from any Alt-Tab or the like that switched us away
		ClearAllStates ();
		CDAudio_Resume ();
		S_UnblockSound ();
		in_mode_set = false;
		vid.recalc_refdef = 1;
		block_drawing = false;

		return MGL_NO_SUSPEND_APP;
	}
	return MGL_NO_SUSPEND_APP;
}

void registerAllDispDrivers(void) {
	/* Event though these driver require WinDirect, we register
	 * them so that they will still be available even if DirectDraw
	 * is present and the user has disable the high performance
	 * WinDirect modes.
	 */
	MGL_registerDriver(MGL_VGA8NAME,VGA8_driver);

	if (useWinDirect) {	//Register display drivers
		MGL_registerDriver(MGL_LINEAR8NAME,LINEAR8_driver);

		if (!COM_CheckParm ("-novbeaf"))
			MGL_registerDriver(MGL_ACCEL8NAME,ACCEL8_driver);
	}

	if (useDirectDraw)
		MGL_registerDriver(MGL_DDRAW8NAME,DDRAW8_driver);
}


void registerAllMemDrivers(void) {
	MGL_registerDriver(MGL_PACKED8NAME,PACKED8_driver);	//Register memory context drivers
}

static void AddModeDesc(vmode_t *mode) {
	if (mode->frequency)
		Q_snprintfz (mode->modedesc, sizeof(mode->modedesc), "%dx%d@%d", mode->width, mode->height, mode->frequency);
	else
		Q_snprintfz (mode->modedesc, sizeof(mode->modedesc), "%dx%d", mode->width, mode->height);
}

void VID_InitMGLFull (HINSTANCE hInstance) {
	int i, xRes, yRes, bits, lowres, curmode, temp, lowstretchedres, stretchedmode, lowstretched;
    uchar *m;

	// FIXME: NT is checked for because MGL currently has a bug that causes it to try to use WinDirect modes even on NT
	if (COM_CheckParm("-nowindirect") || COM_CheckParm("-nowd") || COM_CheckParm("-novesa") || WinNT)
		useWinDirect = false;

	if (COM_CheckParm("-nodirectdraw") || COM_CheckParm("-noddraw") || COM_CheckParm("-nodd"))
		useDirectDraw = false;

	// Initialise the MGL
	MGL_unregisterAllDrivers();
	registerAllDispDrivers();
	registerAllMemDrivers();
	MGL_detectGraph(&driver,&mode);
	m = MGL_availableModes();

	if (m[0] != 0xFF) {
		lowres = lowstretchedres = 99999;
		lowstretched = 0;
		curmode = 0;

		// find the lowest-res mode, or a mode we can stretch up to and get
		// lowest-res that way
		for (i = 0; m[i] != 0xFF; i++) {
			MGL_modeResolution(m[i], &xRes, &yRes,&bits);

			if (bits == 8 && xRes <= MAXWIDTH && yRes <= MAXHEIGHT && curmode < MAX_MODE_LIST) {
				if (m[i] == grVGA_320x200x256)
					is_mode0x13 = true;

				if (!COM_CheckParm("-noforcevga")) {
					if (m[i] == grVGA_320x200x256) {
						mode = i;
						break;
					}
				}

				if (xRes < lowres) {
					lowres = xRes;
					mode = i;
				}

				if ((xRes < lowstretchedres) && ((xRes >> 1) >= 320)) {
					lowstretchedres = xRes >> 1;
					stretchedmode = i;
				}
			}
			curmode++;
		}

		// if there's a mode we can stretch by 2 up to, thereby effectively getting a lower-res mode than
		// the lowest-res real but still at least 320x200, that will be our default mode
		if (lowstretchedres < lowres) {
			mode = stretchedmode;
			lowres = lowstretchedres;
			lowstretched = 1;
		}

		// build the mode list, leaving room for the low-res stretched mode, if any
		nummodes++;		// leave room for default mode

		for (i = 0; m[i] != 0xFF; i++) {
			MGL_modeResolution(m[i], &xRes, &yRes,&bits);

			if (bits == 8 && xRes <= MAXWIDTH && yRes <= MAXHEIGHT && nummodes < MAX_MODE_LIST) {
				if (i == mode) {
					if (lowstretched) {
						stretchedmode = nummodes;
						curmode = nummodes++;
					} else {
						curmode = MODE_FULLSCREEN_DEFAULT;
					}
				} else {
					curmode = nummodes++;
				}

				modelist[curmode].type = MS_FULLSCREEN;
				modelist[curmode].width = xRes;
				modelist[curmode].height = yRes;
				AddModeDesc(&modelist[curmode]);

				if (m[i] == grVGA_320x200x256)
					modelist[curmode].mode13 = 1;
				else
					modelist[curmode].mode13 = 0;

				modelist[curmode].modenum = m[i];
				modelist[curmode].stretched = 0;
				modelist[curmode].dib = 0;
				modelist[curmode].fullscreen = 1;
				modelist[curmode].halfscreen = 0;
				modelist[curmode].bpp = 8;
			}
		}

		if (lowstretched) {
			modelist[MODE_FULLSCREEN_DEFAULT] = modelist[stretchedmode];
			modelist[MODE_FULLSCREEN_DEFAULT].stretched = 1;
			modelist[MODE_FULLSCREEN_DEFAULT].width >>= 1;
			modelist[MODE_FULLSCREEN_DEFAULT].height >>= 1;
			AddModeDesc(&modelist[MODE_FULLSCREEN_DEFAULT]);
		}

		vid_default = MODE_FULLSCREEN_DEFAULT;

		temp = m[0];

		if (!MGL_init(&driver, &temp, ""))
			initFatalError();
	}

	MGL_setSuspendAppCallback(VID_Suspend);
}

MGLDC *createDisplayDC(int forcemem) {
/****************************************************************************
*
* Function:     createDisplayDC
* Returns:      Pointer to the MGL device context to use for the application
*
* Description:  Initialises the MGL and creates an appropriate display
*               device context to be used by the GUI. This creates and
*               apropriate device context depending on the system being
*               compile for, and should be the only place where system
*               specific code is required.
*
****************************************************************************/
    MGLDC *dc;
	pixel_format_t pf;
	int npages;

	// Start the specified video mode
	if (!MGL_changeDisplayMode(mode))
		initFatalError();

	npages = MGL_availablePages(mode);

	if (npages > 3)
		npages = 3;

	if (!COM_CheckParm ("-notriplebuf"))
		npages = min(2, npages);

	if ((dc = MGL_createDisplayDC(npages)) == NULL)
		return NULL;

	if (!forcemem && (MGL_surfaceAccessType(dc)) == MGL_LINEAR_ACCESS && (dc->mi.maxPage > 0)) {
		MGL_makeCurrentDC(dc);
		memdc = NULL;
	} else {
		// Set up for blitting from a memory buffer
		memdc = MGL_createMemoryDC(MGL_sizex(dc)+1,MGL_sizey(dc)+1,8,&pf);
		MGL_makeCurrentDC(memdc);
	}

	// Enable page flipping even for even for blitted surfaces
	if (forcemem) {
		vid.numpages = 1;
	} else {
		vid.numpages = dc->mi.maxPage + 1;

		if (vid.numpages > 1) {
			// Set up for page flipping
			MGL_setActivePage(dc, aPage = 1);
			MGL_setVisualPage(dc, vPage = 0, false);
		}

		vid.numpages = min(3, vid.numpages);
	}

	waitVRT = (vid.numpages == 2) ? true : false;

	return dc;
}

void VID_InitMGLDIB (HINSTANCE hInstance) {
	WNDCLASS wc;
	HDC hdc;

	hIcon = LoadIcon (hInstance, MAKEINTRESOURCE (IDI_APPICON));

	/* Register the frame class */
    wc.style         = 0;
    wc.lpfnWndProc   = (WNDPROC)MainWndProc;
    wc.cbClsExtra    = 0;
    wc.cbWndExtra    = 0;
    wc.hInstance     = hInstance;
    wc.hIcon         = 0;
    wc.hCursor       = LoadCursor (NULL,IDC_ARROW);
	wc.hbrBackground = NULL;
    wc.lpszMenuName  = 0;
    wc.lpszClassName = "FuhQuake";

    if (!RegisterClass (&wc) )
		Sys_Error ("Couldn't register window class");

	/* Find the size for the DIB window */
	/* Initialise the MGL for windowed operation */
	MGL_setAppInstance(hInstance);
	registerAllMemDrivers();
	MGL_initWindowed("");

	modelist[0].type = MS_WINDOWED;
	modelist[0].width = 320;
	modelist[0].height = 240;
	strcpy (modelist[0].modedesc, "320x240");
	modelist[0].mode13 = 0;
	modelist[0].modenum = MODE_WINDOWED;
	modelist[0].stretched = 0;
	modelist[0].dib = 1;
	modelist[0].fullscreen = 0;
	modelist[0].halfscreen = 0;
	modelist[0].bpp = 8;

	modelist[1].type = MS_WINDOWED;
	modelist[1].width = 640;
	modelist[1].height = 480;
	strcpy (modelist[1].modedesc, "640x480");
	modelist[1].mode13 = 0;
	modelist[1].modenum = MODE_WINDOWED + 1;
	modelist[1].stretched = 1;
	modelist[1].dib = 1;
	modelist[1].fullscreen = 0;
	modelist[1].halfscreen = 0;
	modelist[1].bpp = 8;

	modelist[2].type = MS_WINDOWED;
	modelist[2].width = 800;
	modelist[2].height = 600;
	strcpy (modelist[2].modedesc, "800x600");
	modelist[2].mode13 = 0;
	modelist[2].modenum = MODE_WINDOWED + 2;
	modelist[2].stretched = 1;
	modelist[2].dib = 1;
	modelist[2].fullscreen = 0;
	modelist[2].halfscreen = 0;
	modelist[2].bpp = 8;

	// automatically stretch the default mode up if > 640x480 desktop resolution
	hdc = GetDC(NULL);

	if ((GetDeviceCaps(hdc, HORZRES) > 640) && !COM_CheckParm("-noautostretch"))
		vid_default = MODE_WINDOWED + 1;
	else
		vid_default = MODE_WINDOWED;

	windowed_default = vid_default;

	ReleaseDC(NULL,hdc);

	nummodes = 3;	// reserve space for windowed mode

	DDActive = 0;
}

void VID_InitFullDIB (HINSTANCE hInstance) {
	DEVMODE	devmode;
	int i, j, modenum, existingmode, originalnummodes, lowestres, numlowresmodes, bpp, done, cstretch, istretch, mstretch;
	BOOL stat;

	// enumerate 8 bpp modes
	originalnummodes = nummodes;
	modenum = 0;
	lowestres = 99999;

	do {
		stat = EnumDisplaySettings (NULL, modenum, &devmode);

		if (devmode.dmBitsPerPel == 8 && devmode.dmPelsWidth <= MAXWIDTH &&
			devmode.dmPelsHeight <= MAXHEIGHT && nummodes < MAX_MODE_LIST)
		{
			devmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT | DM_DISPLAYFREQUENCY;

			if (ChangeDisplaySettings (&devmode, CDS_TEST | CDS_FULLSCREEN) == DISP_CHANGE_SUCCESSFUL) {
				modelist[nummodes].type = MS_FULLDIB;
				modelist[nummodes].width = devmode.dmPelsWidth;
				modelist[nummodes].height = devmode.dmPelsHeight;
				modelist[nummodes].modenum = 0;
				modelist[nummodes].mode13 = 0;
				modelist[nummodes].stretched = 0;
				modelist[nummodes].halfscreen = 0;
				modelist[nummodes].dib = 1;
				modelist[nummodes].fullscreen = 1;
				modelist[nummodes].bpp = devmode.dmBitsPerPel;
                modelist[nummodes].frequency = devmode.dmDisplayFrequency;

				AddModeDesc(&modelist[nummodes]);

				// if the width is more than twice the height, reduce it by half because this is probably a dual-screen monitor
				if (!COM_CheckParm("-noadjustaspect")) {
					if (modelist[nummodes].width > (modelist[nummodes].height << 1)) {
						modelist[nummodes].width >>= 1;
						modelist[nummodes].halfscreen = 1;
						AddModeDesc(&modelist[nummodes]);
					}
				}

				for (i = originalnummodes, existingmode = 0; i < nummodes; i++) {
					if (modelist[nummodes].width == modelist[i].width &&
						modelist[nummodes].height == modelist[i].height &&
						modelist[nummodes].frequency == modelist[i].frequency
					) {
						existingmode = 1;
						break;
					}
				}

				if (!existingmode) {
					if (modelist[nummodes].width < lowestres)
						lowestres = modelist[nummodes].width;

					nummodes++;
				}
			}
		}

		modenum++;
	} while (stat);

	//see if any of them were actually settable; if so, this is our mode list, else 
	//enumerate all modes; our mode list is whichever ones are settable with > 8 bpp
	if (nummodes == originalnummodes) {
		modenum = 0;
		lowestres = 99999;

		Com_Printf ("No 8-bpp fullscreen DIB modes found\n");

		do {
			stat = EnumDisplaySettings (NULL, modenum, &devmode);

			if ((	(devmode.dmPelsWidth <= MAXWIDTH && devmode.dmPelsHeight <= MAXHEIGHT ) ||
					(!COM_CheckParm("-noadjustaspect") && devmode.dmPelsWidth <= MAXWIDTH * 2 && 
					devmode.dmPelsWidth > devmode.dmPelsHeight * 2)
				) && nummodes < MAX_MODE_LIST && devmode.dmBitsPerPel > 8
			) {
				devmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT | DM_DISPLAYFREQUENCY;

				if (ChangeDisplaySettings (&devmode, CDS_TEST | CDS_FULLSCREEN) == DISP_CHANGE_SUCCESSFUL) {
					modelist[nummodes].type = MS_FULLDIB;
					modelist[nummodes].width = devmode.dmPelsWidth;
					modelist[nummodes].height = devmode.dmPelsHeight;
					modelist[nummodes].modenum = 0;
					modelist[nummodes].mode13 = 0;
					modelist[nummodes].stretched = 0;
					modelist[nummodes].halfscreen = 0;
					modelist[nummodes].dib = 1;
					modelist[nummodes].fullscreen = 1;
					modelist[nummodes].bpp = devmode.dmBitsPerPel;
					modelist[nummodes].frequency = devmode.dmDisplayFrequency;

					AddModeDesc(&modelist[nummodes]);

					// if the width is more than twice the height, reduce it by half because this
					// is probably a dual-screen monitor
					if (!COM_CheckParm("-noadjustaspect")) {
						if (modelist[nummodes].width > (modelist[nummodes].height * 2)) {
							modelist[nummodes].width >>= 1;
							modelist[nummodes].halfscreen = 1;
							AddModeDesc(&modelist[nummodes]);
						}
					}

					for (i = originalnummodes, existingmode = 0; i < nummodes; i++) {
						if (modelist[nummodes].width == modelist[i].width &&
							modelist[nummodes].height == modelist[i].height &&
							modelist[nummodes].frequency == modelist[i].frequency
						) {
							// pick the lowest available bpp
							if (modelist[nummodes].bpp < modelist[i].bpp)
								modelist[i] = modelist[nummodes];

							existingmode = 1;
							break;
						}
					}

					if (!existingmode) {
						if (modelist[nummodes].width < lowestres)
							lowestres = modelist[nummodes].width;

						nummodes++;
					}
				}
			}

			modenum++;
		} while (stat);
	}

	// see if there are any low-res modes that aren't being reported
	numlowresmodes = sizeof(lowresmodes) / sizeof(lowresmodes[0]);
	bpp = 8;
	done = 0;

	// first make sure the driver doesn't just answer yes to all tests
	devmode.dmBitsPerPel = 8;
	devmode.dmPelsWidth = 42;
	devmode.dmPelsHeight = 37;
	devmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT | DM_DISPLAYFREQUENCY;

	if (ChangeDisplaySettings (&devmode, CDS_TEST | CDS_FULLSCREEN) == DISP_CHANGE_SUCCESSFUL)
		done = 1;

	while (!done) {
		for (j = 0; j < numlowresmodes && nummodes < MAX_MODE_LIST; j++) {
			devmode.dmBitsPerPel = bpp;
			devmode.dmPelsWidth = lowresmodes[j].width;
			devmode.dmPelsHeight = lowresmodes[j].height;
			devmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT | DM_DISPLAYFREQUENCY;

			if (ChangeDisplaySettings (&devmode, CDS_TEST | CDS_FULLSCREEN) == DISP_CHANGE_SUCCESSFUL) {
					modelist[nummodes].type = MS_FULLDIB;
					modelist[nummodes].width = devmode.dmPelsWidth;
					modelist[nummodes].height = devmode.dmPelsHeight;
					modelist[nummodes].modenum = 0;
					modelist[nummodes].mode13 = 0;
					modelist[nummodes].stretched = 0;
					modelist[nummodes].halfscreen = 0;
					modelist[nummodes].dib = 1;
					modelist[nummodes].fullscreen = 1;
					modelist[nummodes].bpp = devmode.dmBitsPerPel;
					modelist[nummodes].frequency = devmode.dmDisplayFrequency;
					AddModeDesc(&modelist[nummodes]);

				// we only want the lowest-bpp version of each mode
				for (i = originalnummodes, existingmode = 0; i < nummodes; i++) {
					if (modelist[nummodes].width == modelist[i].width && modelist[nummodes].height == modelist[i].height &&
						modelist[nummodes].bpp >= modelist[i].bpp && modelist[nummodes].frequency == modelist[i].frequency)
					{
						existingmode = 1;
						break;
					}
				}

				if (!existingmode) {
					if (modelist[nummodes].width < lowestres)
						lowestres = modelist[nummodes].width;

					nummodes++;
				}
			}
		}
		switch (bpp) {
			case 8:
				bpp = 16;
				break;

			case 16:
				bpp = 32;
				break;

			case 32:
				done = 1;
				break;
		}
	}

	// now add the lowest stretch-by-2 pseudo-modes between 320-wide (inclusive) and
	// lowest real res (not inclusive) don't bother if we have a real VGA mode 0x13 mode
	if (!is_mode0x13) {
		for (i = originalnummodes, cstretch = 0; i < nummodes; i++) {
			if ((modelist[i].width >> 1) < lowestres && (modelist[i].width >> 1) >= 320) {
				lowestres = modelist[i].width >> 1;
				cstretch = 1;
				mstretch = i;
			}
		}

		if ((nummodes + cstretch) > MAX_MODE_LIST)
			cstretch = MAX_MODE_LIST - nummodes;

		if (cstretch > 0) {
			for (i = nummodes - 1; i >= originalnummodes; i--)
				modelist[i + cstretch] = modelist[i];

			nummodes += cstretch;
			istretch = originalnummodes;

			modelist[istretch] = modelist[mstretch];
			modelist[istretch].width >>= 1;
			modelist[istretch].height >>= 1;
			modelist[istretch].stretched = 1;
			AddModeDesc(&modelist[istretch]);
		}
	}

	if (nummodes != originalnummodes)
		vid_default = MODE_FULLSCREEN_DEFAULT;
	else
		Com_Printf ("No fullscreen DIB modes found\n");
}

int VID_NumModes (void) {
	return nummodes;
}

vmode_t *VID_GetModePtr (int modenum) {
	if (modenum >= 0 && modenum < nummodes)
		return &modelist[modenum];
	else
		return &badmode;
}

void VID_CheckModedescFixup (int mode) {
	int stretch;

	if (mode == MODE_SETTABLE_WINDOW) {
		modelist[mode].stretched = (int) vid_stretch_by_2.value;
		stretch = modelist[mode].stretched;

		if (vid_config_x.value < (320 << stretch))
			vid_config_x.value = 320 << stretch;

		if (vid_config_y.value < (200 << stretch))
			vid_config_y.value = 200 << stretch;

		modelist[mode].width = (int) vid_config_x.value;
		modelist[mode].height = (int) vid_config_y.value;
		AddModeDesc(&modelist[mode]);
	}
}

char *VID_GetModeDescriptionMemCheck (int mode) {
	char *pinfo;
	vmode_t *pv;

	if ((mode < 0) || (mode >= nummodes))
		return NULL;

	VID_CheckModedescFixup (mode);

	pv = VID_GetModePtr (mode);
	pinfo = pv->modedesc;

	if (VID_CheckAdequateMem (pv->width, pv->height))
		return pinfo;
	else
		return NULL;
}

char *VID_GetModeDescription (int mode) {
	char *pinfo;
	vmode_t *pv;

	if (mode < 0 || mode >= nummodes)
		return NULL;

	VID_CheckModedescFixup (mode);

	pv = VID_GetModePtr (mode);
	pinfo = pv->modedesc;
	return pinfo;
}

//Tacks on "windowed" or "fullscreen"
char *VID_GetModeDescription2 (int mode) {
	static char	pinfo[40];
	vmode_t *pv;

	if ((mode < 0) || (mode >= nummodes))
		return NULL;

	VID_CheckModedescFixup (mode);
	pv = VID_GetModePtr (mode);

	if (modelist[mode].type == MS_FULLSCREEN)
		Q_snprintfz(pinfo, sizeof(pinfo), "%s fullscreen", pv->modedesc);
	else if (modelist[mode].type == MS_FULLDIB)
		Q_snprintfz(pinfo, sizeof(pinfo), "%s fullscreen", pv->modedesc);
	else
		Q_snprintfz(pinfo, sizeof(pinfo), "%s windowed", pv->modedesc);

	return pinfo;
}

char *VID_GetExtModeDescription (int mode) {
	static char	pinfo[40];
	vmode_t *pv;

	if (mode < 0 || mode >= nummodes)
		return NULL;

	VID_CheckModedescFixup (mode);

	pv = VID_GetModePtr (mode);
	if (modelist[mode].type == MS_FULLSCREEN)
		Q_snprintfz(pinfo, sizeof(pinfo), "%s fullscreen %s", pv->modedesc, MGL_modeDriverName(pv->modenum));
	else if (modelist[mode].type == MS_FULLDIB)
		Q_snprintfz(pinfo, sizeof(pinfo), "%s fullscreen DIB", pv->modedesc);
	else
		Q_snprintfz(pinfo, sizeof(pinfo), "%s windowed", pv->modedesc);

	return pinfo;
}

void DestroyDIBWindow (void) {

	if (modestate == MS_WINDOWED) {
		// destroy the associated MGL DC's; the window gets reused
		if (windc)
			MGL_destroyDC(windc);
		if (dibdc)
			MGL_destroyDC(dibdc);
		windc = dibdc = NULL;
	}
}

void DestroyFullscreenWindow (void) {
	if (modestate == MS_FULLSCREEN) {
		// destroy the existing fullscreen mode and DC's
		if (mgldc)
			MGL_destroyDC (mgldc);
		if (memdc)
			MGL_destroyDC (memdc);
		mgldc = memdc = NULL;
	}
}

void DestroyFullDIBWindow (void) {
	if (modestate == MS_FULLDIB) {
		ChangeDisplaySettings (NULL, CDS_FULLSCREEN);

		// Destroy the fullscreen DIB window and associated MGL DC's
		if (windc)
			MGL_destroyDC(windc);
		if (dibdc)
			MGL_destroyDC(dibdc);
		windc = dibdc = NULL;
	}
}

qboolean VID_SetWindowedMode (int modenum) {
	HDC hdc;
	pixel_format_t pf;
	qboolean stretched;
	int lastmodestate;

	if (!windowed_mode_set) {
		if (COM_CheckParm ("-resetwinpos")) {
			Cvar_SetValue (&vid_window_x, 0.0);
			Cvar_SetValue (&vid_window_y, 0.0);
		}
		windowed_mode_set;
	}

	VID_CheckModedescFixup (modenum);

	DDActive = 0;
	lastmodestate = modestate;

	DestroyFullscreenWindow ();
	DestroyFullDIBWindow ();

	if (windc)
		MGL_destroyDC(windc);
	if (dibdc)
		MGL_destroyDC(dibdc);
	windc = dibdc = NULL;

	// KJB: Signal to the MGL that we are going back to windowed mode
	if (!MGL_changeDisplayMode(grWINDOWED))
		initFatalError();

	WindowRect.top = WindowRect.left = 0;

	WindowRect.right = modelist[modenum].width;
	WindowRect.bottom = modelist[modenum].height;
	stretched = modelist[modenum].stretched;

	DIBWidth = modelist[modenum].width;
	DIBHeight = modelist[modenum].height;

	if (stretched) {
		DIBWidth >>= 1;
		DIBHeight >>= 1;
	}

	WindowStyle = WS_OVERLAPPED | WS_BORDER | WS_CAPTION | WS_SYSMENU |
				  WS_MINIMIZEBOX | WS_MAXIMIZEBOX | WS_CLIPSIBLINGS |
				  WS_CLIPCHILDREN;
	ExWindowStyle = 0;
	AdjustWindowRectEx(&WindowRect, WindowStyle, FALSE, 0);

	// the first time we're called to set the mode, create the window we'll use for the rest of the session
	if (!vid_mode_set) {
		mainwindow = CreateWindowEx (
			 ExWindowStyle,
			 "FuhQuake",
			 "FuhQuake",
			 WindowStyle,
			 0, 0,
			 WindowRect.right - WindowRect.left,
			 WindowRect.bottom - WindowRect.top,
			 NULL,
			 NULL,
			 global_hInstance,
			 NULL);

		if (!mainwindow)
			Sys_Error ("Couldn't create DIB window");

		// tell MGL to use this window for fullscreen modes
		MGL_registerFullScreenWindow (mainwindow);

		vid_mode_set = true;
	} else {
		SetWindowLong(mainwindow, GWL_STYLE, WindowStyle | WS_VISIBLE);
		SetWindowLong(mainwindow, GWL_EXSTYLE, ExWindowStyle);
	}

	if (!SetWindowPos (mainwindow,
						   NULL,
						   0, 0,
						   WindowRect.right - WindowRect.left,
						   WindowRect.bottom - WindowRect.top,
						   SWP_NOCOPYBITS | SWP_NOZORDER |
						    SWP_HIDEWINDOW))
	{
		Sys_Error ("Couldn't resize DIB window");
	}

	if (hide_window)
		return true;

	// position and show the DIB window
	VID_CheckWindowXY ();
	SetWindowPos (mainwindow, NULL, (int)vid_window_x.value,
				  (int)vid_window_y.value, 0, 0,
				  SWP_NOSIZE | SWP_NOZORDER | SWP_SHOWWINDOW | SWP_DRAWFRAME);

	if (force_minimized)
		ShowWindow (mainwindow, SW_MINIMIZE);
	else
		ShowWindow (mainwindow, SW_SHOWDEFAULT);

	UpdateWindow (mainwindow);

	modestate = MS_WINDOWED;
	vid_fulldib_on_focus_mode = 0;

	// because we have set the background brush for the window to NULL
	// (to avoid flickering when re-sizing the window on the desktop),
	// we clear the window to black when created, otherwise it will be
	// empty while Quake starts up.
	hdc = GetDC(mainwindow);
	PatBlt(hdc,0,0,WindowRect.right,WindowRect.bottom,BLACKNESS);
	ReleaseDC(mainwindow, hdc);

	/* Create the MGL window DC and the MGL memory DC */
	if ((windc = MGL_createWindowedDC(mainwindow)) == NULL)
		MGL_fatalError("Unable to create Windowed DC!");

	if ((dibdc = MGL_createMemoryDC(DIBWidth,DIBHeight,8,&pf)) == NULL)
		MGL_fatalError("Unable to create Memory DC!");

	MGL_makeCurrentDC(dibdc);

	vid.buffer = vid.direct = dibdc->surface;
	vid.rowbytes = dibdc->mi.bytesPerLine;
	vid.numpages = 1;
	vid.maxwarpwidth = WARP_WIDTH;
	vid.maxwarpheight = WARP_HEIGHT;
	vid.height = vid.conheight = DIBHeight;
	vid.width = vid.conwidth = DIBWidth;
	vid.aspect = ((float) vid.height / (float) vid.width) * (320.0 / 240.0);

	vid_stretched = stretched;

	SendMessage (mainwindow, WM_SETICON, (WPARAM)TRUE, (LPARAM)hIcon);
	SendMessage (mainwindow, WM_SETICON, (WPARAM)FALSE, (LPARAM)hIcon);

	// Tonik: this is a workaroung for the bug with garbaged screen on Nvidia cards
	if (lastmodestate == MS_FULLSCREEN && vid_resetonswitch.value)
		ChangeDisplaySettings (NULL, CDS_RESET);

	return true;
}

qboolean VID_SetFullscreenMode (int modenum) {
	DDActive = 1;

	DestroyDIBWindow ();
	DestroyFullDIBWindow ();

	mode = modelist[modenum].modenum;

	// Destroy old DC's, resetting back to fullscreen mode
	if (mgldc)
		MGL_destroyDC (mgldc);
	if (memdc)
		MGL_destroyDC (memdc);
	mgldc = memdc = NULL;

	if ((mgldc = createDisplayDC (modelist[modenum].stretched || (int) vid_nopageflip.value)) == NULL)
		return false;

	modestate = MS_FULLSCREEN;
	vid_fulldib_on_focus_mode = 0;

	vid.buffer = vid.direct = NULL;
	vid.maxwarpwidth = WARP_WIDTH;
	vid.maxwarpheight = WARP_HEIGHT;
	DIBHeight = vid.height = vid.conheight = modelist[modenum].height;
	DIBWidth = vid.width = vid.conwidth = modelist[modenum].width;
	vid.aspect = ((float) vid.height / (float) vid.width) * (320.0 / 240.0);

	vid_stretched = modelist[modenum].stretched;

	// needed because we're not getting WM_MOVE messages fullscreen on NT
	window_x = 0;
	window_y = 0;

	// set the large icon, so the Quake icon will show up in the taskbar
	SendMessage (mainwindow, WM_SETICON, (WPARAM)1, (LPARAM)hIcon);
	SendMessage (mainwindow, WM_SETICON, (WPARAM)0, (LPARAM)hIcon);

	// shouldn't be needed, but Kendall needs to let us get the activation
	// message for this not to be needed on NT
	AppActivate (true, false);

	return true;
}

qboolean VID_SetFullDIBMode (int modenum) {
	HDC hdc;
	pixel_format_t pf;
	int lastmodestate, freq;

	DDActive = 0;

	DestroyFullscreenWindow ();
	DestroyDIBWindow ();

	if (windc)
		MGL_destroyDC(windc);
	if (dibdc)
		MGL_destroyDC(dibdc);
	windc = dibdc = NULL;

	// KJB: Signal to the MGL that we are going back to windowed mode
	if (!MGL_changeDisplayMode(grWINDOWED))
		initFatalError();

	gdevmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
	gdevmode.dmBitsPerPel = modelist[modenum].bpp;
	gdevmode.dmPelsWidth = modelist[modenum].width << modelist[modenum].stretched << modelist[modenum].halfscreen;
	gdevmode.dmPelsHeight = modelist[modenum].height << modelist[modenum].stretched;
	gdevmode.dmSize = sizeof (gdevmode);

	freq = modelist[modenum].frequency > 0 ? modelist[modenum].frequency : 
		vid_displayfrequency.value > 0 ? vid_displayfrequency.value : 0;
	if (freq) {
		gdevmode.dmDisplayFrequency = modelist[modenum].frequency;
		gdevmode.dmFields |= DM_DISPLAYFREQUENCY;
	}

	if (ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL)
		Sys_Error ("Couldn't set fullscreen DIB mode");

	lastmodestate = modestate;
	modestate = MS_FULLDIB;
	vid_fulldib_on_focus_mode = modenum;

	WindowRect.top = WindowRect.left = 0;

	hdc = GetDC(NULL);

	WindowRect.right = modelist[modenum].width << modelist[modenum].stretched;
	WindowRect.bottom = modelist[modenum].height << modelist[modenum].stretched;

	ReleaseDC(NULL,hdc);

	DIBWidth = modelist[modenum].width;
	DIBHeight = modelist[modenum].height;

	WindowStyle = WS_POPUP | WS_SYSMENU | WS_CLIPSIBLINGS | WS_CLIPCHILDREN;
	ExWindowStyle = 0;
	AdjustWindowRectEx(&WindowRect, WindowStyle, FALSE, 0);

	SetWindowLong(mainwindow, GWL_STYLE, WindowStyle | WS_VISIBLE);
	SetWindowLong(mainwindow, GWL_EXSTYLE, ExWindowStyle);

	if (!SetWindowPos (mainwindow,
						   NULL,
						   0, 0,
						   WindowRect.right - WindowRect.left,
						   WindowRect.bottom - WindowRect.top,
						   SWP_NOCOPYBITS | SWP_NOZORDER))
	{
		Sys_Error ("Couldn't resize DIB window");
	}

	// position and show the DIB window
	SetWindowPos (mainwindow, HWND_TOPMOST, 0, 0, 0, 0,
				  SWP_NOSIZE | SWP_SHOWWINDOW | SWP_DRAWFRAME);
	ShowWindow (mainwindow, SW_SHOWDEFAULT);
	UpdateWindow (mainwindow);

	// Because we have set the background brush for the window to NULL
	// (to avoid flickering when re-sizing the window on the desktop), we
	// clear the window to black when created, otherwise it will be
	// empty while Quake starts up.
	hdc = GetDC(mainwindow);
	PatBlt(hdc,0,0,WindowRect.right,WindowRect.bottom,BLACKNESS);
	ReleaseDC(mainwindow, hdc);

	/* Create the MGL window DC and the MGL memory DC */
	if ((windc = MGL_createWindowedDC(mainwindow)) == NULL)
		MGL_fatalError("Unable to create Fullscreen DIB DC!");

	if ((dibdc = MGL_createMemoryDC(DIBWidth,DIBHeight,8,&pf)) == NULL)
		MGL_fatalError("Unable to create Memory DC!");

	MGL_makeCurrentDC(dibdc);

	vid.buffer = vid.direct = dibdc->surface;
	vid.rowbytes = dibdc->mi.bytesPerLine;
	vid.numpages = 1;
	vid.maxwarpwidth = WARP_WIDTH;
	vid.maxwarpheight = WARP_HEIGHT;
	vid.height = vid.conheight = DIBHeight;
	vid.width = vid.conwidth = DIBWidth;
	vid.aspect = ((float)vid.height / (float)vid.width) *
				(320.0 / 240.0);

	vid_stretched = modelist[modenum].stretched;

	// needed because we're not getting WM_MOVE messages fullscreen on NT
	window_x = 0;
	window_y = 0;

	return true;
}

void VID_RestoreOldMode (int original_mode) {
	static qboolean	inerror = false;

	if (inerror)
		return;

	in_mode_set = false;
	inerror = true;

	// make sure mode set happens (video mode changes)
	vid_modenum = original_mode - 1;

	if (!VID_SetMode (original_mode, vid_curpal)) {
		vid_modenum = MODE_WINDOWED - 1;

		if (!VID_SetMode (windowed_default, vid_curpal))
			Sys_Error ("Can't set any video mode");
	}

	inerror = false;
}

int VID_SetMode (int modenum, unsigned char *palette) {
	int original_mode, temp;
	qboolean stat;
    MSG msg;
	HDC hdc;

	while (modenum >= nummodes || modenum < 0) {
		if (vid_modenum == NO_MODE) {
			modenum = (modenum == vid_default) ? windowed_default : vid_default;

			Cvar_SetValue (&vid_mode, (float) modenum);
		} else {
			Cvar_SetValue (&vid_mode, (float) vid_modenum);
			return 0;
		}
	}

	if (!force_mode_set && modenum == vid_modenum)
		return true;

	// so Com_Printfs don't mess us up by forcing vid and snd updates
	temp = scr_disabled_for_loading;
	scr_disabled_for_loading = true;
	in_mode_set = true;

	CDAudio_Pause ();
	S_ClearBuffer ();

	if (vid_modenum == NO_MODE)
		original_mode = windowed_default;
	else
		original_mode = vid_modenum;

	// Set either the fullscreen or windowed mode
	if (modelist[modenum].type == MS_WINDOWED) {
		if (_windowed_mouse.value && key_dest == key_game) {
			stat = VID_SetWindowedMode(modenum);
			IN_ActivateMouse ();
			IN_HideMouse ();
		} else {
			IN_DeactivateMouse ();
			IN_ShowMouse ();
			stat = VID_SetWindowedMode(modenum);
		}
	} else if (modelist[modenum].type == MS_FULLDIB) {
		stat = VID_SetFullDIBMode(modenum);
		IN_ActivateMouse ();
		IN_HideMouse ();
	} else {
		stat = VID_SetFullscreenMode(modenum);
		IN_ActivateMouse ();
		IN_HideMouse ();
	}

	window_width = vid.width << vid_stretched;
	window_height = vid.height << vid_stretched;
	VID_UpdateWindowStatus ();

	CDAudio_Resume ();
	scr_disabled_for_loading = temp;

	if (!stat) {
		VID_RestoreOldMode (original_mode);
		return false;
	}

	if (hide_window)
		return true;

	// now we try to make sure we get the focus on the mode switch, because sometimes in some systems we don't.
	// We grab the foreground, then finish setting up, pump all our messages, and sleep for a little while
	// to let messages finish bouncing around the system, then we put ourselves at the top of the z order,
	// then grab the foreground again. Who knows if it helps, but it probably doesn't hurt
	if (!force_minimized)
		SetForegroundWindow (mainwindow);

	hdc = GetDC(NULL);

	if (GetDeviceCaps(hdc, RASTERCAPS) & RC_PALETTE)
		vid_palettized = true;
	else
		vid_palettized = false;

	VID_SetPalette (palette);

	ReleaseDC(NULL,hdc);

	vid_modenum = modenum;
	Cvar_SetValue (&vid_mode, (float)vid_modenum);

	if (!VID_AllocBuffers (vid.width, vid.height)) {
		// couldn't get memory for this mode; try to fall back to previous mode
		VID_RestoreOldMode (original_mode);
		return false;
	}

	D_InitCaches (vid_surfcache, vid_surfcachesize);

	while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE)) {
      	TranslateMessage (&msg);
      	DispatchMessage (&msg);
	}

	Sleep (100);

	if (!force_minimized) {
		SetWindowPos (mainwindow, HWND_TOP, 0, 0, 0, 0,
				  SWP_DRAWFRAME | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW |
				  SWP_NOCOPYBITS);

		SetForegroundWindow (mainwindow);
	}

	// fix the leftover Alt from any Alt-Tab or the like that switched us away
	ClearAllStates ();

	if (!msg_suppress_1)
		Com_Printf ("Video mode %s initialized\n", VID_GetModeDescription (vid_modenum));

	VID_SetPalette (palette);

	in_mode_set = false;
	vid.recalc_refdef = 1;

	return true;
}

void VID_LockBuffer (void) {
	if (dibdc)
		return;

	lockcount++;

	if (lockcount > 1)
		return;

	MGL_beginDirectAccess();

	if (memdc) {
		// Update surface pointer for linear access modes
		vid.buffer = vid.direct = memdc->surface;
		vid.rowbytes = memdc->mi.bytesPerLine;
	} else if (mgldc) {
		// Update surface pointer for linear access modes
		vid.buffer = vid.direct = mgldc->surface;
		vid.rowbytes = mgldc->mi.bytesPerLine;
	}

	if (r_dowarp)
		d_viewbuffer = r_warpbuffer;
	else
		d_viewbuffer = (void *)(byte *)vid.buffer;

	if (r_dowarp)
		screenwidth = WARP_WIDTH;
	else
		screenwidth = vid.rowbytes;
}
		
void VID_UnlockBuffer (void) {
	if (dibdc)
		return;

	lockcount--;

	if (lockcount > 0)
		return;

	if (lockcount < 0)
		Sys_Error ("Unbalanced unlock");

	MGL_endDirectAccess();

	// to turn up any unlocked accesses
	vid.buffer = vid.direct = d_viewbuffer = NULL;
}

void Sys_Video_SetPalette(void *display, unsigned char *palette) {
	INT i;
	palette_t pal[256];
    HDC hdc;

	if (!Minimized) {
		palette_changed = true;

		// make sure we have the static colors if we're the active app
		hdc = GetDC(NULL);

		if (vid_palettized && ActiveApp) {
			if (GetSystemPaletteUse(hdc) == SYSPAL_STATIC) {
			// switch to SYSPAL_NOSTATIC and remap the colors
				SetSystemPaletteUse(hdc, SYSPAL_NOSTATIC);
				syscolchg = true;
				pal_is_nostatic = true;
			}
		}

		ReleaseDC(NULL,hdc);

		// Translate the palette values to an MGL palette array and
		// set the values.
		for (i = 0; i < 256; i++) {
			pal[i].red = palette[i * 3];
			pal[i].green = palette[i * 3 + 1];
			pal[i].blue = palette[i * 3 + 2];
		}

		if (DDActive) {
			if (!mgldc)
				return;

			MGL_setPalette(mgldc,pal,256,0);
			MGL_realizePalette(mgldc,256,0,false);
			if (memdc)
				MGL_setPalette(memdc,pal,256,0);
		} else {
			if (!windc)
				return;

			MGL_setPalette(windc,pal,256,0);
			MGL_realizePalette(windc,256,0,false);
			if (dibdc) {
				MGL_setPalette(dibdc,pal,256,0);
				MGL_realizePalette(dibdc,256,0,false);
			}
		}
	}

	memcpy (vid_curpal, palette, sizeof(vid_curpal));

	if (syscolchg) {
		PostMessage (HWND_BROADCAST, WM_SYSCOLORCHANGE, (WPARAM)0, (LPARAM)0);
		syscolchg = false;
	}
}

void VID_ShiftPalette (unsigned char *palette) {
	VID_SetPalette (palette);
}

void VID_ModeList_f (void) {
	int i, lnummodes;
	char *pinfo;
	qboolean na;
	vmode_t *pv;

	na = false;
	lnummodes = VID_NumModes ();

	for (i = 0; i < lnummodes; i++) {
		pv = VID_GetModePtr (i);
		pinfo = VID_GetExtModeDescription (i);

		if (VID_CheckAdequateMem (pv->width, pv->height)) {
			Com_Printf ("%2d: %s\n", i, pinfo);
		} else {
			Com_Printf ("**: %s\n", pinfo);
			na = true;
		}
	}
	if (na)
		Com_Printf ("\n[**: not enough system RAM for mode]\n");
}

void VID_TestMode_f (void) {
	int modenum;
	double testduration;

	if (!vid_testingmode) {
		modenum = Q_atoi (Cmd_Argv(1));

		if (VID_SetMode (modenum, vid_curpal)) {
			vid_testingmode = 1;
			testduration = Q_atof (Cmd_Argv(2));
			if (testduration == 0)
				testduration = 5.0;
			vid_testendtime = curtime + testduration;
		}
	}
}

void VID_Windowed_f (void) {
	VID_SetMode ((int) vid_windowed_mode.value, vid_curpal);
}

void VID_Fullscreen_f (void) {
	VID_SetMode ((int) vid_fullscreen_mode.value, vid_curpal);
}

void VID_Minimize_f (void) {
	// we only support minimizing windows; if you're fullscreen, switch to windowed first
	if (modestate == MS_WINDOWED)
		ShowWindow (mainwindow, SW_MINIMIZE);
}

void VID_ForceMode_f (void) {
	int modenum;

	if (!vid_testingmode) {
		modenum = Q_atoi (Cmd_Argv(1));

		force_mode_set = 1;
		VID_SetMode (modenum, vid_curpal);
		force_mode_set = 0;
	}
}

void *Sys_Video_Open(int width, int height, int depth, int fullscreen, unsigned char *palette) {
	int i, bestmatch, bestmatchmetric, t, dr, dg, db, basenummodes;
	byte *ptmp;

	Cvar_SetCurrentGroup(CVAR_GROUP_VIDEO);
	Cvar_Register (&vid_mode);
	Cvar_Register (&vid_nopageflip);
	Cvar_Register (&_vid_default_mode);
	Cvar_Register (&_vid_default_mode_win);
	Cvar_Register (&vid_config_x);
	Cvar_Register (&vid_config_y);
	Cvar_Register (&vid_stretch_by_2);
	Cvar_Register (&_windowed_mouse);
	Cvar_Register (&vid_fullscreen_mode);
	Cvar_Register (&vid_windowed_mode);
	Cvar_Register (&block_switch);
	Cvar_Register (&vid_window_x);
	Cvar_Register (&vid_window_y);
	Cvar_Register (&vid_resetonswitch);
	Cvar_Register (&vid_displayfrequency);

	Cvar_ResetCurrentGroup();

	Cmd_AddCommand ("vid_testmode", VID_TestMode_f);
	Cmd_AddCommand ("vid_modelist", VID_ModeList_f);
	Cmd_AddCommand ("vid_forcemode", VID_ForceMode_f);
	Cmd_AddCommand ("vid_windowed", VID_Windowed_f);
	Cmd_AddCommand ("vid_fullscreen", VID_Fullscreen_f);
	Cmd_AddCommand ("vid_minimize", VID_Minimize_f);

	memset(modelist, 0, sizeof(modelist));	

	if (COM_CheckParm ("-dibonly"))
		dibonly = true;

	VID_InitMGLDIB (global_hInstance);

	basenummodes = nummodes;

	if (!dibonly)
		VID_InitMGLFull (global_hInstance);

	// if there are no non-windowed modes, or only windowed and mode 0x13, then use fullscreen DIBs as well
	if ((nummodes == basenummodes || (nummodes == basenummodes + 1 && is_mode0x13)) && !COM_CheckParm ("-nofulldib"))
		VID_InitFullDIB (global_hInstance);

	vid.maxwarpwidth = WARP_WIDTH;
	vid.maxwarpheight = WARP_HEIGHT;
	vid.colormap = host_colormap;
	vid.fullbright = 256 - LittleLong (*((int *) vid.colormap + 2048));
	vid_testingmode = 0;

	// GDI doesn't let us remap palette index 0, so we'll remap color
	// mappings from that black to another one
	bestmatchmetric = 256 * 256 * 3;

	for (i = 1; i < 256; i++) {
		dr = palette[0] - palette[i * 3];
		dg = palette[1] - palette[i * 3 + 1];
		db = palette[2] - palette[i * 3 + 2];

		t = dr * dr + dg * dg + db * db;

		if (t < bestmatchmetric) {
			bestmatchmetric = t;
			bestmatch = i;

			if (t == 0)
				break;
		}
	}

	for (i = 0, ptmp = vid.colormap ; i < (1 << (VID_CBITS + 8)); i++, ptmp++) {
		if (*ptmp == 0)
			*ptmp = bestmatch;
	}

	if (COM_CheckParm("-window") || COM_CheckParm("-startwindowed")) {
		startwindowed = 1;
		vid_default = windowed_default;
	}

	// sound initialization has to go here, preceded by a windowed mode set,
	// so there's a window for DirectSound to work with but we're not yet
	// fullscreen so the "hardware already in use" dialog is visible if it
	// gets displayed

	// keep the window minimized until we're ready for the first real mode set

	// FIXME: sound is no longer initialized here so don't really need this.
	// But currently very bad things happen if these lines are removed.
	hide_window = true;
	VID_SetMode (MODE_WINDOWED, palette);
	hide_window = false;

	vid_initialized = true;

	force_mode_set = true;
	VID_SetMode (vid_default, palette);
	force_mode_set = false;

	vid_realmode = vid_modenum;

	Sys_Video_SetPalette(0, palette);

	vid_menudrawfn = VID_MenuDraw;
	vid_menukeyfn = VID_MenuKey;

	strcpy (badmode.modedesc, "Bad mode");

	Sys_Input_Init();
	return 1;
}


void Sys_Video_Close(void *display) {
	if (!vid_initialized)
		return;

	if (lockcount > 0)	// unlock if locked
		MGL_endDirectAccess();

	if (modestate == MS_FULLDIB)
		ChangeDisplaySettings (NULL, CDS_FULLSCREEN);

	PostMessage (HWND_BROADCAST, WM_PALETTECHANGED, (WPARAM)mainwindow, (LPARAM)0);
	PostMessage (HWND_BROADCAST, WM_SYSCOLORCHANGE, (WPARAM)0, (LPARAM)0);

	AppActivate(false, false);
	DestroyDIBWindow ();
	DestroyFullscreenWindow ();
	DestroyFullDIBWindow ();

	if (mainwindow)
		DestroyWindow(mainwindow);

	MGL_exit();

	vid_testingmode = 0;
	vid_initialized = 0;

	// Tonik: this is a workaroung for the bug with garbaged screen on Nvidia cards
	if (modestate == MS_FULLSCREEN && vid_resetonswitch.value)
		ChangeDisplaySettings (NULL, CDS_RESET);
}

void FlipScreen(vrect_t *rects) {
	// Flip the surfaces
	if (DDActive) {
		if (mgldc) {
			if (memdc) {
				while (rects) {
					if (vid_stretched) {
						MGL_stretchBltCoord(mgldc, memdc,
									rects->x,
									rects->y,
									rects->x + rects->width,
									rects->y + rects->height,
									rects->x << 1,
									rects->y << 1,
									(rects->x + rects->width) << 1,
									(rects->y + rects->height) << 1);
					} else {
						MGL_bitBltCoord(mgldc, memdc,
									rects->x, rects->y,
									(rects->x + rects->width),
									(rects->y + rects->height),
									rects->x, rects->y, MGL_REPLACE_MODE);
					}

					rects = rects->pnext;
				}
			}

			if (vid.numpages > 1) {
				// We have a flipping surface, so do a hard page flip
				aPage = (aPage+1) % vid.numpages;
				vPage = (vPage+1) % vid.numpages;
				MGL_setActivePage(mgldc,aPage);
				MGL_setVisualPage(mgldc,vPage,waitVRT);
			}
		}
	} else {
		HDC hdcScreen;

		hdcScreen = GetDC(mainwindow);

		if (windc && dibdc) {
			MGL_setWinDC(windc,hdcScreen);

			while (rects) {
				if (vid_stretched) {
					MGL_stretchBltCoord(windc,dibdc,
						rects->x, rects->y,
						rects->x + rects->width, rects->y + rects->height,
						rects->x << 1, rects->y << 1,
						(rects->x + rects->width) << 1,
						(rects->y + rects->height) << 1);
				} else {
					MGL_bitBltCoord(windc,dibdc,
						rects->x, rects->y,
						rects->x + rects->width, rects->y + rects->height,
						rects->x, rects->y, MGL_REPLACE_MODE);
				}

				rects = rects->pnext;
			}
		}

		ReleaseDC(mainwindow, hdcScreen);
	}
}

void Sys_Video_Update(void *display, vrect_t *rects) { 
	vrect_t rect;
	RECT trect;

	if (!vid_palettized && palette_changed) {
		palette_changed = false;
		rect.x = 0;
		rect.y = 0;
		rect.width = vid.width;
		rect.height = vid.height;
		rect.pnext = NULL;
		rects = &rect;
	}

	if (firstupdate) {
		if (modestate == MS_WINDOWED) {
			GetWindowRect (mainwindow, &trect);

			if (trect.left != (int) vid_window_x.value || trect.top  != (int)vid_window_y.value) {
				if (COM_CheckParm ("-resetwinpos")) {
					Cvar_SetValue (&vid_window_x, 0.0);
					Cvar_SetValue (&vid_window_y, 0.0);
				}

				VID_CheckWindowXY ();
				SetWindowPos (mainwindow, NULL, (int)vid_window_x.value,
				  (int)vid_window_y.value, 0, 0,
				  SWP_NOSIZE | SWP_NOZORDER | SWP_SHOWWINDOW | SWP_DRAWFRAME);
			}
		}

		if (_vid_default_mode_win.value != vid_default && 
			(!startwindowed || _vid_default_mode_win.value < MODE_FULLSCREEN_DEFAULT))
		{
			firstupdate = 0;

			if (COM_CheckParm ("-resetwinpos")) {
				Cvar_SetValue (&vid_window_x, 0.0);
				Cvar_SetValue (&vid_window_y, 0.0);
			}

			if (_vid_default_mode_win.value < 0 || _vid_default_mode_win.value >= nummodes)
				Cvar_SetValue (&_vid_default_mode_win, windowed_default);

			Cvar_SetValue (&vid_mode, _vid_default_mode_win.value);
		}
	}

	// We've drawn the frame; copy it to the screen
	FlipScreen (rects);

	if (vid_testingmode) {
		if (curtime >= vid_testendtime) {
			VID_SetMode (vid_realmode, vid_curpal);
			vid_testingmode = 0;
		}
	} else {
		if ((int)vid_mode.value != vid_realmode) {
			VID_SetMode ((int)vid_mode.value, vid_curpal);
			Cvar_SetValue (&vid_mode, (float)vid_modenum);
								// so if mode set fails, we don't keep on
								//  trying to set that mode
			vid_realmode = vid_modenum;
		}
	}

	// handle the mouse state when windowed if that's changed
	if (modestate == MS_WINDOWED) {
		if (!_windowed_mouse.value) {
			if (windowed_mouse)	{
				IN_DeactivateMouse ();
				IN_ShowMouse ();
			}
			windowed_mouse = false;
		} else {
			windowed_mouse = true;
			if (key_dest == key_game && !mouseactive && ActiveApp) {
				IN_ActivateMouse ();
				IN_HideMouse ();
			} else if (mouseactive && key_dest != key_game) {
				IN_DeactivateMouse ();
				IN_ShowMouse ();
			}
		}
	}
}

void D_BeginDirectRect (int x, int y, byte *pbitmap, int width, int height) {
	int i, j, reps, repshift;
	vrect_t	rect;

	if (!vid_initialized)
		return;

	if (vid.aspect > 1.5) {
		reps = 2;
		repshift = 1;
	} else {
		reps = 1;
		repshift = 0;
	}

	if (vid.numpages == 1) {
		VID_LockBuffer ();

		if (!vid.direct)
			Sys_Error ("NULL vid.direct pointer");

		for (i = 0; i < height << repshift; i += reps) {
			for (j = 0; j < reps; j++) {
				memcpy (&backingbuf[(i + j) * 24], vid.direct + x + ((y << repshift) + i + j) * vid.rowbytes, width);
				memcpy (vid.direct + x + ((y << repshift) + i + j) * vid.rowbytes, &pbitmap[(i >> repshift) * width], width);
			}
		}

		VID_UnlockBuffer ();

		rect.x = x;
		rect.y = y;
		rect.width = width;
		rect.height = height << repshift;
		rect.pnext = NULL;

		FlipScreen (&rect);
	} else {
		// unlock if locked
		if (lockcount > 0)
			MGL_endDirectAccess();
		// set the active page to the displayed page
		MGL_setActivePage (mgldc, vPage);
		// lock the screen
		MGL_beginDirectAccess ();
		// save from and draw to screen
		for (i = 0; i < height << repshift; i += reps) {
			for (j = 0; j < reps; j++) {
				memcpy (&backingbuf[(i + j) * 24], 
					(byte *) mgldc->surface + x + ((y << repshift) + i + j) * mgldc->mi.bytesPerLine, width);
				memcpy ((byte *)mgldc->surface + x + ((y << repshift) + i + j) * mgldc->mi.bytesPerLine,
						&pbitmap[(i >> repshift) * width], width);
			}
		}
		// unlock the screen
		MGL_endDirectAccess ();
		// restore the original active page
		MGL_setActivePage (mgldc, aPage);
		// relock the screen if it was locked
		if (lockcount > 0)
			MGL_beginDirectAccess();
	}
}

void D_EndDirectRect (int x, int y, int width, int height) {
	int i, j, reps, repshift;
	vrect_t	rect;

	if (!vid_initialized)
		return;

	if (vid.aspect > 1.5) {
		reps = 2;
		repshift = 1;
	} else {
		reps = 1;
		repshift = 0;
	}

	if (vid.numpages == 1) {
		VID_LockBuffer ();

		if (!vid.direct)
			Sys_Error ("NULL vid.direct pointer");

		for (i = 0; i < (height << repshift); i += reps) {
			for (j = 0; j < reps; j++) {
				memcpy (vid.direct + x + ((y << repshift) + i + j) * vid.rowbytes, &backingbuf[(i + j) * 24], width);
			}
		}

		VID_UnlockBuffer ();

		rect.x = x;
		rect.y = y;
		rect.width = width;
		rect.height = height << repshift;
		rect.pnext = NULL;

		FlipScreen (&rect);
	} else {
		// unlock if locked
	 	if (lockcount > 0)
			MGL_endDirectAccess();
		 // set the active page to the displayed page
		MGL_setActivePage (mgldc, vPage);
		// lock the screen
		MGL_beginDirectAccess ();
		// restore to the screen
		for (i = 0; i < (height << repshift); i += reps) {
			for (j = 0; j < reps; j++) {
				memcpy ((byte *)mgldc->surface + x + ((y << repshift) + i + j) * mgldc->mi.bytesPerLine,
					&backingbuf[(i + j) * 24], width);
			}
		}
		// unlock the screen
		MGL_endDirectAccess ();
		// restore the original active page
		MGL_setActivePage (mgldc, aPage);
		// relock the screen if it was locked
		if (lockcount > 0)
			MGL_beginDirectAccess();
	}
}

//==========================================================================

void AppActivate(BOOL fActive, BOOL minimize) {
/****************************************************************************
*
* Function:     AppActivate
* Parameters:   fActive - True if app is activating
*
* Description:  If the application is activating, then swap the system
*               into SYSPAL_NOSTATIC mode so that our palettes will display
*               correctly.
*
****************************************************************************/
    HDC hdc;
    int i, t;
	static BOOL	sound_active;

	ActiveApp = fActive;

	// messy, but it seems to work
	if (vid_fulldib_on_focus_mode) {
		Minimized = minimize;
		if (Minimized)
			ActiveApp = false;
	}

	MGL_appActivate(windc, ActiveApp);

	if (vid_initialized) {
		// yield the palette if we're losing the focus
		hdc = GetDC(NULL);

		if (GetDeviceCaps(hdc, RASTERCAPS) & RC_PALETTE) {
			if (ActiveApp) {
				if (modestate == MS_WINDOWED || modestate == MS_FULLDIB) {
					if (GetSystemPaletteUse(hdc) == SYSPAL_STATIC) {
						// switch to SYSPAL_NOSTATIC and remap the colors
						SetSystemPaletteUse(hdc, SYSPAL_NOSTATIC);
						syscolchg = true;
						pal_is_nostatic = true;
					}
				}
			} else if (pal_is_nostatic) {
				if (GetSystemPaletteUse(hdc) == SYSPAL_NOSTATIC) {
					// switch back to SYSPAL_STATIC and the old mapping
					SetSystemPaletteUse(hdc, SYSPAL_STATIC);
					syscolchg = true;
				}

				pal_is_nostatic = false;
			}
		}

		if (!Minimized)
			VID_SetPalette (vid_curpal);

		scr_fullupdate = 0;
		ReleaseDC(NULL,hdc);
	}

	// enable/disable sound on focus gain/loss
	if (!ActiveApp && sound_active) {
		S_BlockSound ();
		S_ClearBuffer ();
		sound_active = false;
	} else if (ActiveApp && !sound_active) {
		S_UnblockSound ();
		S_ClearBuffer ();
		sound_active = true;
	}

	// minimize/restore fulldib windows/mouse-capture normal windows on demand
	if (!in_mode_set) {
		if (ActiveApp) {
			if (vid_fulldib_on_focus_mode) {
				if (vid_initialized) {
					msg_suppress_1 = true;	// don't want to see normal mode set message
					VID_SetMode (vid_fulldib_on_focus_mode, vid_curpal);
					msg_suppress_1 = false;

					t = in_mode_set;
					in_mode_set = true;
					AppActivate (true, false);
					in_mode_set = t;
				}
				IN_ActivateMouse ();
				IN_HideMouse ();
			} else if ((modestate == MS_WINDOWED) && _windowed_mouse.value && key_dest == key_game) {
				IN_ActivateMouse ();
				IN_HideMouse ();
			}
		}

		if (!ActiveApp) {
			if (modestate == MS_FULLDIB) {
				if (vid_initialized) {
					force_minimized = true;
					i = vid_fulldib_on_focus_mode;
					msg_suppress_1 = true;	// don't want to see normal mode set message
					VID_SetMode (windowed_default, vid_curpal);
					msg_suppress_1 = false;
					vid_fulldib_on_focus_mode = i;
					force_minimized = false;

					// we never seem to get WM_ACTIVATE inactive from this mode set, so we'll do it manually
					t = in_mode_set;
					in_mode_set = true;
					AppActivate (false, true);
					in_mode_set = t;
				}
				IN_DeactivateMouse ();
				IN_ShowMouse ();
			} else if ((modestate == MS_WINDOWED) && _windowed_mouse.value) {
				IN_DeactivateMouse ();
				IN_ShowMouse ();
			}
		}
	}
}
			
//==========================================================================

LONG CDAudio_MessageHandler(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);

int IN_MapKey (int key);


#include "mw_hook.h"
void MW_Hook_Message (long buttons);


/* main window procedure */
LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) {
	LONG lRet = 0;
	int fActive, fMinimized, temp;
	HDC hdc;
	PAINTSTRUCT ps;
	extern unsigned int uiWheelMessage;
	static int recursiveflag;

	if ( uMsg == uiWheelMessage ) {
		uMsg = WM_MOUSEWHEEL;
		wParam <<= 16;
	}

	switch (uMsg) {
		case WM_CREATE:
			break;

		case WM_SYSCOMMAND:
			// Check for maximize being hit
			switch (wParam & ~0x0F) {
				case SC_MAXIMIZE:
					// if minimized, bring up as a window before going fullscreen,
					// so MGL will have the right state to restore
					if (Minimized) {
						force_mode_set = true;
						VID_SetMode (vid_modenum, vid_curpal);
						force_mode_set = false;
					}

					VID_SetMode ((int)vid_fullscreen_mode.value, vid_curpal);
					break;

                case SC_SCREENSAVE:
                case SC_MONITORPOWER:
					if (modestate != MS_WINDOWED)
					{
						// don't call DefWindowProc() because we don't want to start
						// the screen saver fullscreen
						break;
					}

				// fall through windowed and allow the screen saver to start

				default:
				if (!in_mode_set) {
					S_BlockSound ();
					S_ClearBuffer ();
				}

				lRet = DefWindowProc (hWnd, uMsg, wParam, lParam);
				if (!in_mode_set)
					S_UnblockSound ();
			}
			break;

		case WM_MOVE:
			window_x = (int) LOWORD(lParam);
			window_y = (int) HIWORD(lParam);
			VID_UpdateWindowStatus ();

			if ((modestate == MS_WINDOWED) && !in_mode_set && !Minimized)
				VID_RememberWindowPos ();

			break;

		case WM_SIZE:
			Minimized = false;
			
			if (!(wParam & SIZE_RESTORED)) {
				if (wParam & SIZE_MINIMIZED)
					Minimized = true;
			}
			break;

		case WM_SYSCHAR:
			// keep Alt-Space from happening
			break;

		case WM_ACTIVATE:
			fActive = LOWORD(wParam);
			fMinimized = (BOOL) HIWORD(wParam);
			AppActivate(!(fActive == WA_INACTIVE), fMinimized);
			// Tonik: this is a workaroung for the bug with garbaged screen on Nvidia cards
			if (fActive == WA_INACTIVE && modestate == MS_FULLSCREEN && vid_resetonswitch.value)
				ChangeDisplaySettings (NULL, CDS_RESET);
			// fix the leftover Alt from any Alt-Tab or the like that switched us away
			ClearAllStates ();
			if (!in_mode_set) {
				if (windc)
					MGL_activatePalette(windc,true);

				VID_SetPalette(vid_curpal);
			}

			break;

		case WM_PAINT:
			hdc = BeginPaint(hWnd, &ps);
			if (!in_mode_set && host_initialized)
				SCR_UpdateWholeScreen ();
			EndPaint(hWnd, &ps);
			break;

		case WM_KEYDOWN:
		case WM_SYSKEYDOWN:
			if (!in_mode_set)
				Key_Event (IN_MapKey(lParam), true);
			break;

		case WM_KEYUP:
		case WM_SYSKEYUP:
			if (!in_mode_set)
				Key_Event (IN_MapKey(lParam), false);
			break;

		// this is complicated because Win32 seems to pack multiple mouse events into
		// one update sometimes, so we always check all states and look for events
		case WM_LBUTTONDOWN:
		case WM_LBUTTONUP:
		case WM_RBUTTONDOWN:
		case WM_RBUTTONUP:
		case WM_MBUTTONDOWN:
		case WM_MBUTTONUP:
		case WM_XBUTTONDOWN:
		case WM_XBUTTONUP:
			if (!in_mode_set) {
				temp = 0;

				if (wParam & MK_LBUTTON)
					temp |= 1;

				if (wParam & MK_RBUTTON)
					temp |= 2;

				if (wParam & MK_MBUTTON)
					temp |= 4;

				if (wParam & MK_XBUTTON1) 
					temp |= 8;

				if (wParam & MK_XBUTTON2) 
					temp |= 16;

				IN_MouseEvent (temp);
			}
			break;
		// JACK: This is the mouse wheel with the Intellimouse
		// Its delta is either positive or neg, and we generate the proper Event.
		case WM_MOUSEWHEEL: 
			if ((short) HIWORD(wParam) > 0) {
				Key_Event(K_MWHEELUP, true);
				Key_Event(K_MWHEELUP, false);
			} else {
				Key_Event(K_MWHEELDOWN, true);
				Key_Event(K_MWHEELDOWN, false);
			}
			break;

		
		case WM_MWHOOK:
			MW_Hook_Message (lParam);
			break;
		

		// KJB: Added these new palette functions
		case WM_PALETTECHANGED:
			if ((HWND)wParam == hWnd)
				break;
			/* Fall through to WM_QUERYNEWPALETTE */
		case WM_QUERYNEWPALETTE:
			hdc = GetDC(NULL);

			if (GetDeviceCaps(hdc, RASTERCAPS) & RC_PALETTE)
				vid_palettized = true;
			else
				vid_palettized = false;

			ReleaseDC(NULL,hdc);

			scr_fullupdate = 0;

			if (vid_initialized && !in_mode_set && windc && MGL_activatePalette(windc,false) && !Minimized) {
				VID_SetPalette (vid_curpal);
				InvalidateRect (mainwindow, NULL, false);

				// specifically required if WM_QUERYNEWPALETTE realizes a new palette
				lRet = TRUE;
			}
			break;

		case WM_DISPLAYCHANGE:
			if (!in_mode_set && (modestate == MS_WINDOWED) && !vid_fulldib_on_focus_mode) {
				force_mode_set = true;
				VID_SetMode (vid_modenum, vid_curpal);
				force_mode_set = false;
			}
			break;

   	    case WM_CLOSE:
			// this causes Close in the right-click task bar menu not to work, but right
			// now bad things happen if Close is handled in that case (garbage and a crash on Win95)
			if (!in_mode_set) {
				if (MessageBox (mainwindow, "Are you sure you want to quit?", "FuhQuake : Confirm Exit",
							MB_YESNO | MB_SETFOREGROUND | MB_ICONQUESTION) == IDYES)
				{
					Host_Quit ();
				}
			}
			break;

		case MM_MCINOTIFY:
            lRet = CDAudio_MessageHandler (hWnd, uMsg, wParam, lParam);
			break;

		default:
            /* pass all unhandled messages to DefWindowProc */
            lRet = DefWindowProc (hWnd, uMsg, wParam, lParam);
	        break;
    }

    return lRet;	//return 0 if handled message, 1 if not
}

void M_Menu_Options_f (void);
void M_Print (int cx, int cy, char *str);
void M_PrintWhite (int cx, int cy, char *str);
void M_DrawCharacter (int cx, int line, int num);
void M_DrawPic (int x, int y, mpic_t *pic);

static int	vid_line, vid_wmodes;

typedef struct {
	int		modenum;
	char	*desc;
	int		iscur;
	int		ismode13;
	int		width;
} modedesc_t;

#define MAX_COLUMN_SIZE		5
#define MODE_AREA_HEIGHT	(MAX_COLUMN_SIZE + 6)
#define MAX_MODEDESCS		(MAX_COLUMN_SIZE * 3)

static modedesc_t	modedescs[MAX_MODEDESCS];

void VID_MenuDraw (void) {
	mpic_t *p;
	int lnummodes, i, j, k, column, row, dup, dupmode;
	char *ptr, temp[100];
	vmode_t *pv;
	modedesc_t tmodedesc;

	p = Draw_CachePic ("gfx/vidmodes.lmp");
	M_DrawPic ((320 - p->width) / 2, 4, p);

	for (i = 0; i < 3; i++) {
		ptr = VID_GetModeDescriptionMemCheck (i);
		modedescs[i].modenum = modelist[i].modenum;
		modedescs[i].desc = ptr;
		modedescs[i].ismode13 = 0;
		modedescs[i].iscur = 0;

		if (vid_modenum == i)
			modedescs[i].iscur = 1;
	}

	vid_wmodes = 3;
	lnummodes = VID_NumModes ();

	for (i = 3; i < lnummodes; i++) {
		ptr = VID_GetModeDescriptionMemCheck (i);
		pv = VID_GetModePtr (i);

		// we only have room for 15 fullscreen modes, so don't allow
		// 360-wide modes, because if there are 5 320-wide modes and
		// 5 360-wide modes, we'll run out of space
		if (ptr && (pv->width != 360 || COM_CheckParm("-allow360"))) {
			dup = 0;

			for (j = 3; j < vid_wmodes; j++) {
				if (!strcmp (modedescs[j].desc, ptr)) {
					dup = 1;
					dupmode = j;
					break;
				}
			}

			if (dup || (vid_wmodes < MAX_MODEDESCS)) {
				if (!dup || !modedescs[dupmode].ismode13 || COM_CheckParm("-noforcevga")) {
					k = dup ? dupmode : vid_wmodes;

					modedescs[k].modenum = i;
					modedescs[k].desc = ptr;
					modedescs[k].ismode13 = pv->mode13;
					modedescs[k].iscur = 0;
					modedescs[k].width = pv->width;

					if (i == vid_modenum)
						modedescs[k].iscur = 1;

					if (!dup)
						vid_wmodes++;
				}
			}
		}
	}

	// sort the modes on width (to handle picking up oddball dibonly modes after all the others)
	for (i = 3; i < vid_wmodes - 1; i++) {
		for (j = i + 1; j < vid_wmodes ; j++) {
			if (modedescs[i].width > modedescs[j].width) {
				tmodedesc = modedescs[i];
				modedescs[i] = modedescs[j];
				modedescs[j] = tmodedesc;
			}
		}
	}

	M_Print (13 * 8, 36, "Windowed Modes");

	column = 16;
	row = 36 + 2 * 8;

	for (i = 0; i < 3; i++) {
		if (modedescs[i].iscur)
			M_PrintWhite (column, row, modedescs[i].desc);
		else
			M_Print (column, row, modedescs[i].desc);
		column += 13 * 8;
	}

	if (vid_wmodes > 3) {
		M_Print (12 * 8, 36 + 4 * 8, "Fullscreen Modes");

		column = 16;
		row = 36 + 6 * 8;

		for (i = 3; i < vid_wmodes; i++) {
			if (modedescs[i].iscur)
				M_PrintWhite (column, row, modedescs[i].desc);
			else
				M_Print (column, row, modedescs[i].desc);

			column += 13 * 8;

			if (((i - 3) % VID_ROW_SIZE) == VID_ROW_SIZE - 1) {
				column = 16;
				row += 8;
			}
		}
	}

	// line cursor
	if (vid_testingmode) {
		Q_snprintfz (temp, sizeof(temp), "TESTING %s", modedescs[vid_line].desc);
		M_Print (13 * 8, 36 + MODE_AREA_HEIGHT * 8 + 8*4, temp);
		M_Print (9 * 8, 36 + MODE_AREA_HEIGHT * 8 + 8*6, "Please wait 5 seconds...");
	} else {
		M_Print (9 * 8, 36 + MODE_AREA_HEIGHT * 8 + 8, "Press Enter to set mode");
		M_Print (6 * 8, 36 + MODE_AREA_HEIGHT * 8 + 8 * 3, "T to test mode for 5 seconds");
		ptr = VID_GetModeDescription2 (vid_modenum);

		if (ptr) {
			Q_snprintfz (temp, sizeof(temp), "D to set default: %s", ptr);
			M_Print (4, 36 + MODE_AREA_HEIGHT * 8 + 8 * 5, temp);
		}

		ptr = VID_GetModeDescription2 ((int)_vid_default_mode_win.value);

		if (ptr) {
			Q_snprintfz (temp, sizeof(temp), "Current default: %s", ptr);
			M_Print (12, 36 + MODE_AREA_HEIGHT * 8 + 8 * 6, temp);
		}

		M_Print (15 * 8, 36 + MODE_AREA_HEIGHT * 8 + 8*8, "Esc to exit");

		row = 36 + 2 * 8 + (vid_line / VID_ROW_SIZE) * 8;
		column = 8 + (vid_line % VID_ROW_SIZE) * 13 * 8;

		if (vid_line >= 3)
			row += 3 * 8;

		M_DrawCharacter (column, row, 12+((int)(curtime*4)&1));
	}
}

void VID_MenuKey (int key) {
	if (vid_testingmode)
		return;

	switch (key) {
	case K_ESCAPE:
		S_LocalSound ("misc/menu1.wav");
		M_Menu_Options_f ();
		break;

	case K_LEFTARROW:

		S_LocalSound ("misc/menu1.wav");
		vid_line = ((vid_line / VID_ROW_SIZE) * VID_ROW_SIZE) + ((vid_line + 2) % VID_ROW_SIZE);

		if (vid_line >= vid_wmodes)
			vid_line = vid_wmodes - 1;
		break;

	case K_RIGHTARROW:
		S_LocalSound ("misc/menu1.wav");
		vid_line = ((vid_line / VID_ROW_SIZE) * VID_ROW_SIZE) + ((vid_line + 4) % VID_ROW_SIZE);

		if (vid_line >= vid_wmodes)
			vid_line = (vid_line / VID_ROW_SIZE) * VID_ROW_SIZE;
		break;

	case K_UPARROW:
		S_LocalSound ("misc/menu1.wav");
		vid_line -= VID_ROW_SIZE;

		if (vid_line < 0) {
			vid_line += ((vid_wmodes + (VID_ROW_SIZE - 1)) / VID_ROW_SIZE) * VID_ROW_SIZE;

			while (vid_line >= vid_wmodes)
				vid_line -= VID_ROW_SIZE;
		}
		break;

	case K_DOWNARROW:
		S_LocalSound ("misc/menu1.wav");
		vid_line += VID_ROW_SIZE;

		if (vid_line >= vid_wmodes) {
			vid_line -= ((vid_wmodes + (VID_ROW_SIZE - 1)) / VID_ROW_SIZE) * VID_ROW_SIZE;

			while (vid_line < 0)
				vid_line += VID_ROW_SIZE;
		}
		break;

	case K_ENTER:
		S_LocalSound ("misc/menu1.wav");
		VID_SetMode (modedescs[vid_line].modenum, vid_curpal);
		break;

	case 'T':
	case 't':
		S_LocalSound ("misc/menu1.wav");
		// have to set this before setting the mode because WM_PAINT happens during the mode set and does a VID_Update,
		// which checks vid_testingmode
		vid_testingmode = 1;
		vid_testendtime = curtime + 5.0;

		if (!VID_SetMode (modedescs[vid_line].modenum, vid_curpal))
			vid_testingmode = 0;
		break;

	case 'D':
	case 'd':
		S_LocalSound ("misc/menu1.wav");
		firstupdate = 0;
		Cvar_SetValue (&_vid_default_mode_win, vid_modenum);
		break;

	default:
		break;
	}
}

void Sys_Video_GetMouseMovement(void *display, int *mousex, int *mousey)
{
	Sys_Input_GetMouseMovement(0, mousex, mousey);
}

