Quake: attempt 2duke3d

Change-Id: I4285036e967d7f0722802d43cf2096c808ca5799

1 files changed, 890 insertions, 0 deletions

diff --git a/apps/plugins/sdl/progs/quake/draw.c b/apps/plugins/sdl/progs/quake/draw.c
new file mode 100644
index 0000000..69be856
--- /dev/null
+++ b/apps/plugins/sdl/progs/quake/draw.c
@@ -0,0 +1,890 @@
+/*
+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.
+
+*/
+
+// draw.c -- this is the only file outside the refresh that touches the
+// vid buffer
+
+#include "quakedef.h"
+
+typedef struct {
+	vrect_t	rect;
+	int		width;
+	int		height;
+	byte	*ptexbytes;
+	int		rowbytes;
+} rectdesc_t;
+
+static rectdesc_t	r_rectdesc;
+
+byte		*draw_chars;				// 8*8 graphic characters
+qpic_t		*draw_disc;
+qpic_t		*draw_backtile;
+
+//=============================================================================
+/* Support Routines */
+
+typedef struct cachepic_s
+{
+	char		name[MAX_QPATH];
+	cache_user_t	cache;
+} cachepic_t;
+
+#define	MAX_CACHED_PICS		128
+cachepic_t	menu_cachepics[MAX_CACHED_PICS];
+int			menu_numcachepics;
+
+
+qpic_t	*Draw_PicFromWad (char *name)
+{
+	return W_GetLumpName (name);
+}
+
+/*
+================
+Draw_CachePic
+================
+*/
+qpic_t	*Draw_CachePic (char *path)
+{
+	cachepic_t	*pic;
+	int			i;
+	qpic_t		*dat;
+	
+	for (pic=menu_cachepics, i=0 ; i<menu_numcachepics ; pic++, i++)
+		if (!strcmp (path, pic->name))
+			break;
+
+	if (i == menu_numcachepics)
+	{
+		if (menu_numcachepics == MAX_CACHED_PICS)
+			Sys_Error ("menu_numcachepics == MAX_CACHED_PICS");
+		menu_numcachepics++;
+		strcpy (pic->name, path);
+	}
+
+	dat = Cache_Check (&pic->cache);
+
+	if (dat)
+		return dat;
+
+//
+// load the pic from disk
+//
+	COM_LoadCacheFile (path, &pic->cache);
+	
+	dat = (qpic_t *)pic->cache.data;
+	if (!dat)
+	{
+		Sys_Error ("Draw_CachePic: failed to load %s", path);
+	}
+
+	SwapPic (dat);
+
+	return dat;
+}
+
+
+
+/*
+===============
+Draw_Init
+===============
+*/
+void Draw_Init (void)
+{
+	int		i;
+
+	draw_chars = W_GetLumpName ("conchars");
+	draw_disc = W_GetLumpName ("disc");
+	draw_backtile = W_GetLumpName ("backtile");
+
+	r_rectdesc.width = draw_backtile->width;
+	r_rectdesc.height = draw_backtile->height;
+	r_rectdesc.ptexbytes = draw_backtile->data;
+	r_rectdesc.rowbytes = draw_backtile->width;
+}
+
+
+
+/*
+================
+Draw_Character
+
+Draws one 8*8 graphics character with 0 being transparent.
+It can be clipped to the top of the screen to allow the console to be
+smoothly scrolled off.
+================
+*/
+void Draw_Character (int x, int y, int num)
+{
+	byte			*dest;
+	byte			*source;
+	unsigned short	*pusdest;
+	int				drawline;	
+	int				row, col;
+
+	num &= 255;
+	
+	if (y <= -8)
+		return;			// totally off screen
+
+#ifdef PARANOID
+	if (y > vid.height - 8 || x < 0 || x > vid.width - 8)
+		Sys_Error ("Con_DrawCharacter: (%i, %i)", x, y);
+	if (num < 0 || num > 255)
+		Sys_Error ("Con_DrawCharacter: char %i", num);
+#endif
+
+	row = num>>4;
+	col = num&15;
+	source = draw_chars + (row<<10) + (col<<3);
+
+	if (y < 0)
+	{	// clipped
+		drawline = 8 + y;
+		source -= 128*y;
+		y = 0;
+	}
+	else
+		drawline = 8;
+
+
+	if (r_pixbytes == 1)
+	{
+		dest = vid.conbuffer + y*vid.conrowbytes + x;
+	
+		while (drawline--)
+		{
+			if (source[0])
+				dest[0] = source[0];
+			if (source[1])
+				dest[1] = source[1];
+			if (source[2])
+				dest[2] = source[2];
+			if (source[3])
+				dest[3] = source[3];
+			if (source[4])
+				dest[4] = source[4];
+			if (source[5])
+				dest[5] = source[5];
+			if (source[6])
+				dest[6] = source[6];
+			if (source[7])
+				dest[7] = source[7];
+			source += 128;
+			dest += vid.conrowbytes;
+		}
+	}
+	else
+	{
+	// FIXME: pre-expand to native format?
+		pusdest = (unsigned short *)
+				((byte *)vid.conbuffer + y*vid.conrowbytes + (x<<1));
+
+		while (drawline--)
+		{
+			if (source[0])
+				pusdest[0] = d_8to16table[source[0]];
+			if (source[1])
+				pusdest[1] = d_8to16table[source[1]];
+			if (source[2])
+				pusdest[2] = d_8to16table[source[2]];
+			if (source[3])
+				pusdest[3] = d_8to16table[source[3]];
+			if (source[4])
+				pusdest[4] = d_8to16table[source[4]];
+			if (source[5])
+				pusdest[5] = d_8to16table[source[5]];
+			if (source[6])
+				pusdest[6] = d_8to16table[source[6]];
+			if (source[7])
+				pusdest[7] = d_8to16table[source[7]];
+
+			source += 128;
+			pusdest += (vid.conrowbytes >> 1);
+		}
+	}
+}
+
+/*
+================
+Draw_String
+================
+*/
+void Draw_String (int x, int y, char *str)
+{
+	while (*str)
+	{
+		Draw_Character (x, y, *str);
+		str++;
+		x += 8;
+	}
+}
+
+/*
+================
+Draw_DebugChar
+
+Draws a single character directly to the upper right corner of the screen.
+This is for debugging lockups by drawing different chars in different parts
+of the code.
+================
+*/
+void Draw_DebugChar (char num)
+{
+	byte			*dest;
+	byte			*source;
+	int				drawline;	
+	extern byte		*draw_chars;
+	int				row, col;
+
+	if (!vid.direct)
+		return;		// don't have direct FB access, so no debugchars...
+
+	drawline = 8;
+
+	row = num>>4;
+	col = num&15;
+	source = draw_chars + (row<<10) + (col<<3);
+
+	dest = vid.direct + 312;
+
+	while (drawline--)
+	{
+		dest[0] = source[0];
+		dest[1] = source[1];
+		dest[2] = source[2];
+		dest[3] = source[3];
+		dest[4] = source[4];
+		dest[5] = source[5];
+		dest[6] = source[6];
+		dest[7] = source[7];
+		source += 128;
+		dest += 320;
+	}
+}
+
+/*
+=============
+Draw_Pic
+=============
+*/
+void Draw_Pic (int x, int y, qpic_t *pic)
+{
+	byte			*dest, *source;
+	unsigned short	*pusdest;
+	int				v, u;
+
+	if ((x < 0) ||
+		(x + pic->width > vid.width) ||
+		(y < 0) ||
+		(y + pic->height > vid.height))
+	{
+		Sys_Error ("Draw_Pic: bad coordinates");
+	}
+
+	source = pic->data;
+
+	if (r_pixbytes == 1)
+	{
+		dest = vid.buffer + y * vid.rowbytes + x;
+
+		for (v=0 ; v<pic->height ; v++)
+		{
+			Q_memcpy (dest, source, pic->width);
+			dest += vid.rowbytes;
+			source += pic->width;
+		}
+	}
+	else
+	{
+	// FIXME: pretranslate at load time?
+		pusdest = (unsigned short *)vid.buffer + y * (vid.rowbytes >> 1) + x;
+
+		for (v=0 ; v<pic->height ; v++)
+		{
+			for (u=0 ; u<pic->width ; u++)
+			{
+				pusdest[u] = d_8to16table[source[u]];
+			}
+
+			pusdest += vid.rowbytes >> 1;
+			source += pic->width;
+		}
+	}
+}
+
+
+/*
+=============
+Draw_TransPic
+=============
+*/
+void Draw_TransPic (int x, int y, qpic_t *pic)
+{
+	byte	*dest, *source, tbyte;
+	unsigned short	*pusdest;
+	int				v, u;
+
+	if (x < 0 || (unsigned)(x + pic->width) > vid.width || y < 0 ||
+		 (unsigned)(y + pic->height) > vid.height)
+	{
+		Sys_Error ("Draw_TransPic: bad coordinates");
+	}
+		
+	source = pic->data;
+
+	if (r_pixbytes == 1)
+	{
+		dest = vid.buffer + y * vid.rowbytes + x;
+
+		if (pic->width & 7)
+		{	// general
+			for (v=0 ; v<pic->height ; v++)
+			{
+				for (u=0 ; u<pic->width ; u++)
+					if ( (tbyte=source[u]) != TRANSPARENT_COLOR)
+						dest[u] = tbyte;
+	
+				dest += vid.rowbytes;
+				source += pic->width;
+			}
+		}
+		else
+		{	// unwound
+			for (v=0 ; v<pic->height ; v++)
+			{
+				for (u=0 ; u<pic->width ; u+=8)
+				{
+					if ( (tbyte=source[u]) != TRANSPARENT_COLOR)
+						dest[u] = tbyte;
+					if ( (tbyte=source[u+1]) != TRANSPARENT_COLOR)
+						dest[u+1] = tbyte;
+					if ( (tbyte=source[u+2]) != TRANSPARENT_COLOR)
+						dest[u+2] = tbyte;
+					if ( (tbyte=source[u+3]) != TRANSPARENT_COLOR)
+						dest[u+3] = tbyte;
+					if ( (tbyte=source[u+4]) != TRANSPARENT_COLOR)
+						dest[u+4] = tbyte;
+					if ( (tbyte=source[u+5]) != TRANSPARENT_COLOR)
+						dest[u+5] = tbyte;
+					if ( (tbyte=source[u+6]) != TRANSPARENT_COLOR)
+						dest[u+6] = tbyte;
+					if ( (tbyte=source[u+7]) != TRANSPARENT_COLOR)
+						dest[u+7] = tbyte;
+				}
+				dest += vid.rowbytes;
+				source += pic->width;
+			}
+		}
+	}
+	else
+	{
+	// FIXME: pretranslate at load time?
+		pusdest = (unsigned short *)vid.buffer + y * (vid.rowbytes >> 1) + x;
+
+		for (v=0 ; v<pic->height ; v++)
+		{
+			for (u=0 ; u<pic->width ; u++)
+			{
+				tbyte = source[u];
+
+				if (tbyte != TRANSPARENT_COLOR)
+				{
+					pusdest[u] = d_8to16table[tbyte];
+				}
+			}
+
+			pusdest += vid.rowbytes >> 1;
+			source += pic->width;
+		}
+	}
+}
+
+
+/*
+=============
+Draw_TransPicTranslate
+=============
+*/
+void Draw_TransPicTranslate (int x, int y, qpic_t *pic, byte *translation)
+{
+	byte	*dest, *source, tbyte;
+	unsigned short	*pusdest;
+	int				v, u;
+
+	if (x < 0 || (unsigned)(x + pic->width) > vid.width || y < 0 ||
+		 (unsigned)(y + pic->height) > vid.height)
+	{
+		Sys_Error ("Draw_TransPic: bad coordinates");
+	}
+		
+	source = pic->data;
+
+	if (r_pixbytes == 1)
+	{
+		dest = vid.buffer + y * vid.rowbytes + x;
+
+		if (pic->width & 7)
+		{	// general
+			for (v=0 ; v<pic->height ; v++)
+			{
+				for (u=0 ; u<pic->width ; u++)
+					if ( (tbyte=source[u]) != TRANSPARENT_COLOR)
+						dest[u] = translation[tbyte];
+
+				dest += vid.rowbytes;
+				source += pic->width;
+			}
+		}
+		else
+		{	// unwound
+			for (v=0 ; v<pic->height ; v++)
+			{
+				for (u=0 ; u<pic->width ; u+=8)
+				{
+					if ( (tbyte=source[u]) != TRANSPARENT_COLOR)
+						dest[u] = translation[tbyte];
+					if ( (tbyte=source[u+1]) != TRANSPARENT_COLOR)
+						dest[u+1] = translation[tbyte];
+					if ( (tbyte=source[u+2]) != TRANSPARENT_COLOR)
+						dest[u+2] = translation[tbyte];
+					if ( (tbyte=source[u+3]) != TRANSPARENT_COLOR)
+						dest[u+3] = translation[tbyte];
+					if ( (tbyte=source[u+4]) != TRANSPARENT_COLOR)
+						dest[u+4] = translation[tbyte];
+					if ( (tbyte=source[u+5]) != TRANSPARENT_COLOR)
+						dest[u+5] = translation[tbyte];
+					if ( (tbyte=source[u+6]) != TRANSPARENT_COLOR)
+						dest[u+6] = translation[tbyte];
+					if ( (tbyte=source[u+7]) != TRANSPARENT_COLOR)
+						dest[u+7] = translation[tbyte];
+				}
+				dest += vid.rowbytes;
+				source += pic->width;
+			}
+		}
+	}
+	else
+	{
+	// FIXME: pretranslate at load time?
+		pusdest = (unsigned short *)vid.buffer + y * (vid.rowbytes >> 1) + x;
+
+		for (v=0 ; v<pic->height ; v++)
+		{
+			for (u=0 ; u<pic->width ; u++)
+			{
+				tbyte = source[u];
+
+				if (tbyte != TRANSPARENT_COLOR)
+				{
+					pusdest[u] = d_8to16table[tbyte];
+				}
+			}
+
+			pusdest += vid.rowbytes >> 1;
+			source += pic->width;
+		}
+	}
+}
+
+
+void Draw_CharToConback (int num, byte *dest)
+{
+	int		row, col;
+	byte	*source;
+	int		drawline;
+	int		x;
+
+	row = num>>4;
+	col = num&15;
+	source = draw_chars + (row<<10) + (col<<3);
+
+	drawline = 8;
+
+	while (drawline--)
+	{
+		for (x=0 ; x<8 ; x++)
+			if (source[x])
+				dest[x] = 0x60 + source[x];
+		source += 128;
+		dest += 320;
+	}
+
+}
+
+/*
+================
+Draw_ConsoleBackground
+
+================
+*/
+void Draw_ConsoleBackground (int lines)
+{
+	int				x, y, v;
+	byte			*src, *dest;
+	unsigned short	*pusdest;
+	int				f, fstep;
+	qpic_t			*conback;
+	char			ver[100];
+
+	conback = Draw_CachePic ("gfx/conback.lmp");
+
+	dest = conback->data + 320 - 43 + 320*186;
+	sprintf (ver, "%4.2f", VERSION);
+
+	for (x=0 ; x<strlen(ver) ; x++)
+		Draw_CharToConback (ver[x], dest+(x<<3));
+	
+// draw the pic
+	if (r_pixbytes == 1)
+	{
+		dest = vid.conbuffer;
+
+		for (y=0 ; y<lines ; y++, dest += vid.conrowbytes)
+		{
+			v = (vid.conheight - lines + y)*200/vid.conheight;
+			src = conback->data + v*320;
+			if (vid.conwidth == 320)
+				memcpy (dest, src, vid.conwidth);
+			else
+			{
+				f = 0;
+				fstep = 320*0x10000/vid.conwidth;
+				for (x=0 ; x<vid.conwidth ; x+=4)
+				{
+					dest[x] = src[f>>16];
+					f += fstep;
+					dest[x+1] = src[f>>16];
+					f += fstep;
+					dest[x+2] = src[f>>16];
+					f += fstep;
+					dest[x+3] = src[f>>16];
+					f += fstep;
+				}
+			}
+		}
+	}
+	else
+	{
+		pusdest = (unsigned short *)vid.conbuffer;
+
+		for (y=0 ; y<lines ; y++, pusdest += (vid.conrowbytes >> 1))
+		{
+		// FIXME: pre-expand to native format?
+		// FIXME: does the endian switching go away in production?
+			v = (vid.conheight - lines + y)*200/vid.conheight;
+			src = conback->data + v*320;
+			f = 0;
+			fstep = 320*0x10000/vid.conwidth;
+			for (x=0 ; x<vid.conwidth ; x+=4)
+			{
+				pusdest[x] = d_8to16table[src[f>>16]];
+				f += fstep;
+				pusdest[x+1] = d_8to16table[src[f>>16]];
+				f += fstep;
+				pusdest[x+2] = d_8to16table[src[f>>16]];
+				f += fstep;
+				pusdest[x+3] = d_8to16table[src[f>>16]];
+				f += fstep;
+			}
+		}
+	}
+}
+
+
+/*
+==============
+R_DrawRect8
+==============
+*/
+void R_DrawRect8 (vrect_t *prect, int rowbytes, byte *psrc,
+	int transparent)
+{
+	byte	t;
+	int		i, j, srcdelta, destdelta;
+	byte	*pdest;
+
+	pdest = vid.buffer + (prect->y * vid.rowbytes) + prect->x;
+
+	srcdelta = rowbytes - prect->width;
+	destdelta = vid.rowbytes - prect->width;
+
+	if (transparent)
+	{
+		for (i=0 ; i<prect->height ; i++)
+		{
+			for (j=0 ; j<prect->width ; j++)
+			{
+				t = *psrc;
+				if (t != TRANSPARENT_COLOR)
+				{
+					*pdest = t;
+				}
+
+				psrc++;
+				pdest++;
+			}
+
+			psrc += srcdelta;
+			pdest += destdelta;
+		}
+	}
+	else
+	{
+		for (i=0 ; i<prect->height ; i++)
+		{
+			memcpy (pdest, psrc, prect->width);
+			psrc += rowbytes;
+			pdest += vid.rowbytes;
+		}
+	}
+}
+
+
+/*
+==============
+R_DrawRect16
+==============
+*/
+void R_DrawRect16 (vrect_t *prect, int rowbytes, byte *psrc,
+	int transparent)
+{
+	byte			t;
+	int				i, j, srcdelta, destdelta;
+	unsigned short	*pdest;
+
+// FIXME: would it be better to pre-expand native-format versions?
+
+	pdest = (unsigned short *)vid.buffer +
+			(prect->y * (vid.rowbytes >> 1)) + prect->x;
+
+	srcdelta = rowbytes - prect->width;
+	destdelta = (vid.rowbytes >> 1) - prect->width;
+
+	if (transparent)
+	{
+		for (i=0 ; i<prect->height ; i++)
+		{
+			for (j=0 ; j<prect->width ; j++)
+			{
+				t = *psrc;
+				if (t != TRANSPARENT_COLOR)
+				{
+					*pdest = d_8to16table[t];
+				}
+
+				psrc++;
+				pdest++;
+			}
+
+			psrc += srcdelta;
+			pdest += destdelta;
+		}
+	}
+	else
+	{
+		for (i=0 ; i<prect->height ; i++)
+		{
+			for (j=0 ; j<prect->width ; j++)
+			{
+				*pdest = d_8to16table[*psrc];
+				psrc++;
+				pdest++;
+			}
+
+			psrc += srcdelta;
+			pdest += destdelta;
+		}
+	}
+}
+
+
+/*
+=============
+Draw_TileClear
+
+This repeats a 64*64 tile graphic to fill the screen around a sized down
+refresh window.
+=============
+*/
+void Draw_TileClear (int x, int y, int w, int h)
+{
+	int				width, height, tileoffsetx, tileoffsety;
+	byte			*psrc;
+	vrect_t			vr;
+
+	r_rectdesc.rect.x = x;
+	r_rectdesc.rect.y = y;
+	r_rectdesc.rect.width = w;
+	r_rectdesc.rect.height = h;
+
+	vr.y = r_rectdesc.rect.y;
+	height = r_rectdesc.rect.height;
+
+	tileoffsety = vr.y % r_rectdesc.height;
+
+	while (height > 0)
+	{
+		vr.x = r_rectdesc.rect.x;
+		width = r_rectdesc.rect.width;
+
+		if (tileoffsety != 0)
+			vr.height = r_rectdesc.height - tileoffsety;
+		else
+			vr.height = r_rectdesc.height;
+
+		if (vr.height > height)
+			vr.height = height;
+
+		tileoffsetx = vr.x % r_rectdesc.width;
+
+		while (width > 0)
+		{
+			if (tileoffsetx != 0)
+				vr.width = r_rectdesc.width - tileoffsetx;
+			else
+				vr.width = r_rectdesc.width;
+
+			if (vr.width > width)
+				vr.width = width;
+
+			psrc = r_rectdesc.ptexbytes +
+					(tileoffsety * r_rectdesc.rowbytes) + tileoffsetx;
+
+			if (r_pixbytes == 1)
+			{
+				R_DrawRect8 (&vr, r_rectdesc.rowbytes, psrc, 0);
+			}
+			else
+			{
+				R_DrawRect16 (&vr, r_rectdesc.rowbytes, psrc, 0);
+			}
+
+			vr.x += vr.width;
+			width -= vr.width;
+			tileoffsetx = 0;	// only the left tile can be left-clipped
+		}
+
+		vr.y += vr.height;
+		height -= vr.height;
+		tileoffsety = 0;		// only the top tile can be top-clipped
+	}
+}
+
+
+/*
+=============
+Draw_Fill
+
+Fills a box of pixels with a single color
+=============
+*/
+void Draw_Fill (int x, int y, int w, int h, int c)
+{
+	byte			*dest;
+	unsigned short	*pusdest;
+	unsigned		uc;
+	int				u, v;
+
+	if (r_pixbytes == 1)
+	{
+		dest = vid.buffer + y*vid.rowbytes + x;
+		for (v=0 ; v<h ; v++, dest += vid.rowbytes)
+			for (u=0 ; u<w ; u++)
+				dest[u] = c;
+	}
+	else
+	{
+		uc = d_8to16table[c];
+
+		pusdest = (unsigned short *)vid.buffer + y * (vid.rowbytes >> 1) + x;
+		for (v=0 ; v<h ; v++, pusdest += (vid.rowbytes >> 1))
+			for (u=0 ; u<w ; u++)
+				pusdest[u] = uc;
+	}
+}
+//=============================================================================
+
+/*
+================
+Draw_FadeScreen
+
+================
+*/
+void Draw_FadeScreen (void)
+{
+	int			x,y;
+	byte		*pbuf;
+
+	VID_UnlockBuffer ();
+	S_ExtraUpdate ();
+	VID_LockBuffer ();
+
+	for (y=0 ; y<vid.height ; y++)
+	{
+		int	t;
+
+		pbuf = (byte *)(vid.buffer + vid.rowbytes*y);
+		t = (y & 1) << 1;
+
+		for (x=0 ; x<vid.width ; x++)
+		{
+			if ((x & 3) != t)
+				pbuf[x] = 0;
+		}
+	}
+
+	VID_UnlockBuffer ();
+	S_ExtraUpdate ();
+	VID_LockBuffer ();
+}
+
+//=============================================================================
+
+/*
+================
+Draw_BeginDisc
+
+Draws the little blue disc in the corner of the screen.
+Call before beginning any disc IO.
+================
+*/
+void Draw_BeginDisc (void)
+{
+
+	D_BeginDirectRect (vid.width - 24, 0, draw_disc->data, 24, 24);
+}
+
+
+/*
+================
+Draw_EndDisc
+
+Erases the disc icon.
+Call after completing any disc IO
+================
+*/
+void Draw_EndDisc (void)
+{
+
+	D_EndDirectRect (vid.width - 24, 0, 24, 24);
+}
+