vid_win.c

quake1 dos源代码最新版本

				{
					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	VID_Update (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_Set (vid_window_x, "0");
					Cvar_Set (vid_window_y, "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_Set (vid_window_x, "0");
				Cvar_Set (vid_window_y, "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 (realtime >= 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 ((int)_windowed_mouse->value != windowed_mouse)
		{
			if (_windowed_mouse->value)
			{
				IN_ActivateMouse ();
				IN_HideMouse ();
			}
			else
			{
				IN_DeactivateMouse ();
				IN_ShowMouse ();
			}

			windowed_mouse = (int)_windowed_mouse->value;
		}
	}
}


/*
================
D_BeginDirectRect
================
*/
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();
	}
}


/*
================
D_EndDirectRect
================
*/
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();
	}
}


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

byte	scantokey[128] =
{
//  0           1       2       3       4       5       6       7
//  8           9       A       B       C       D       E       F
	0  ,    27,     '1',    '2',    '3',    '4',    '5',    '6',
	'7',    '8',    '9',    '0',    '-',    '=',    K_BACKSPACE, 9, // 0
	'q',    'w',    'e',    'r',    't',    'y',    'u',    'i',
	'o',    'p',    '[',    ']',    13 ,    K_CTRL,'a',  's',      // 1
	'd',    'f',    'g',    'h',    'j',    'k',    'l',    ';',
	'\'' ,    '`',    K_SHIFT,'\\',  'z',    'x',    'c',    'v',      // 2
	'b',    'n',    'm',    ',',    '.',    '/',    K_SHIFT,'*',
	K_ALT,' ',   0  ,    K_F1, K_F2, K_F3, K_F4, K_F5,   // 3
	K_F6, K_F7, K_F8, K_F9, K_F10,  K_PAUSE,    0  , K_HOME,
	K_UPARROW,K_PGUP,'-',K_LEFTARROW,'5',K_RIGHTARROW,'+',K_END, //4
	K_DOWNARROW,K_PGDN,K_INS,K_DEL,0,0,             0,              K_F11,
	K_F12,0  ,    0  ,    0  ,    0  ,    0  ,    0  ,    0,        // 5
	0  ,    0  ,    0  ,    0  ,    0  ,    0  ,    0  ,    0,
	0  ,    0  ,    0  ,    0  ,    0  ,    0  ,    0  ,    0,        // 6
	0  ,    0  ,    0  ,    0  ,    0  ,    0  ,    0  ,    0,
	0  ,    0  ,    0  ,    0  ,    0  ,    0  ,    0  ,    0         // 7
};

/*
=======
MapKey

Map from windows to quake keynums
=======
*/
int MapKey (int key)
{
	key = (key>>16)&255;
	if (key > 127)
		return 0;

	return scantokey[key];
}

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)
			{
				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 ();
			}
		}
	}
}


/*
================
VID_HandlePause
================
*/
void VID_HandlePause (qboolean pause)
{

	if ((modestate == MS_WINDOWED) && _windowed_mouse->value)
	{
		if (pause)
		{
			IN_Deac