mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-12-11 21:31:30 +00:00
1189 lines
26 KiB
C
1189 lines
26 KiB
C
/*
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draw.c
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this is the only file outside the refresh that touches the vid buffer
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Copyright (C) 1996-1997 Id Software, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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*/
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static const char rcsid[] =
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"$Id$";
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#ifdef HAVE_STRING_H
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# include <string.h>
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#endif
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#ifdef HAVE_STRINGS_H
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# include <strings.h>
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#endif
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#include "QF/console.h"
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#include "QF/cvar.h"
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#include "QF/draw.h"
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#include "QF/sound.h"
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#include "QF/sys.h"
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#include "QF/vfs.h"
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#include "d_iface.h"
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#include "r_cvar.h"
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typedef struct {
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vrect_t rect;
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int width;
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int height;
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byte *ptexbytes;
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int rowbytes;
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} rectdesc_t;
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static rectdesc_t r_rectdesc;
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byte *draw_chars; // 8*8 graphic characters
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qpic_t *draw_disc;
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qpic_t *draw_backtile;
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/* Support Routines */
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typedef struct cachepic_s {
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char name[MAX_QPATH];
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cache_user_t cache;
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} cachepic_t;
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#define MAX_CACHED_PICS 128
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cachepic_t cachepics[MAX_CACHED_PICS];
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int numcachepics;
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qpic_t *
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Draw_PicFromWad (const char *name)
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{
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return W_GetLumpName (name);
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}
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void
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Draw_ClearCache (void)
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{
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}
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qpic_t *
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Draw_CachePic (const char *path, qboolean alpha)
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{
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cachepic_t *pic;
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int i;
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qpic_t *dat;
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for (pic = cachepics, i = 0; i < numcachepics; pic++, i++)
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if (!strcmp (path, pic->name))
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break;
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if (i == numcachepics) {
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if (numcachepics == MAX_CACHED_PICS)
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Sys_Error ("numcachepics == MAX_CACHED_PICS");
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numcachepics++;
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strcpy (pic->name, path);
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}
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dat = Cache_Check (&pic->cache);
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if (dat)
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return dat;
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// load the pic from disk
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COM_LoadCacheFile (path, &pic->cache);
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dat = (qpic_t *) pic->cache.data;
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if (!dat) {
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Sys_Error ("Draw_CachePic: failed to load %s", path);
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}
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SwapPic (dat);
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return dat;
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}
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void
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Draw_TextBox (int x, int y, int width, int lines, byte alpha)
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{
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qpic_t *p;
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int cx, cy;
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int n;
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// draw left side
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cx = x;
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cy = y;
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p = Draw_CachePic ("gfx/box_tl.lmp", true);
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Draw_Pic (cx, cy, p);
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p = Draw_CachePic ("gfx/box_ml.lmp", true);
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for (n = 0; n < lines; n++) {
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cy += 8;
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Draw_Pic (cx, cy, p);
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}
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p = Draw_CachePic ("gfx/box_bl.lmp", true);
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Draw_Pic (cx, cy + 8, p);
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// draw middle
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cx += 8;
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while (width > 0) {
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cy = y;
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p = Draw_CachePic ("gfx/box_tm.lmp", true);
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Draw_Pic (cx, cy, p);
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p = Draw_CachePic ("gfx/box_mm.lmp", true);
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for (n = 0; n < lines; n++) {
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cy += 8;
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if (n == 1)
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p = Draw_CachePic ("gfx/box_mm2.lmp", true);
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Draw_Pic (cx, cy, p);
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}
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p = Draw_CachePic ("gfx/box_bm.lmp", true);
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Draw_Pic (cx, cy + 8, p);
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width -= 2;
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cx += 16;
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}
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// draw right side
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cy = y;
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p = Draw_CachePic ("gfx/box_tr.lmp", true);
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Draw_Pic (cx, cy, p);
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p = Draw_CachePic ("gfx/box_mr.lmp", true);
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for (n = 0; n < lines; n++) {
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cy += 8;
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Draw_Pic (cx, cy, p);
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}
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p = Draw_CachePic ("gfx/box_br.lmp", true);
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Draw_Pic (cx, cy + 8, p);
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}
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void
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Draw_Init (void)
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{
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draw_chars = W_GetLumpName ("conchars");
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draw_disc = W_GetLumpName ("disc");
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draw_backtile = W_GetLumpName ("backtile");
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r_rectdesc.width = draw_backtile->width;
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r_rectdesc.height = draw_backtile->height;
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r_rectdesc.ptexbytes = draw_backtile->data;
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r_rectdesc.rowbytes = draw_backtile->width;
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}
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/*
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Draw_Character
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Draws one 8*8 graphics character with 0 being transparent.
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It can be clipped to the top of the screen to allow the console to be
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smoothly scrolled off.
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*/
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void
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Draw_Character (int x, int y, unsigned int num)
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{
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byte *source;
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int drawline;
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int row, col;
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num &= 255;
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if (y <= -8)
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return; // totally off screen
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if (y > vid.height - 8 || x < 0 || x > vid.width - 8)
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return;
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if (num < 0 || num > 255)
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return;
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row = num >> 4;
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col = num & 15;
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source = draw_chars + (row << 10) + (col << 3);
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if (y < 0) { // clipped
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drawline = 8 + y;
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source -= 128 * y;
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y = 0;
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} else
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drawline = 8;
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switch(r_pixbytes) {
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case 1:
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{
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byte *dest = (byte *) vid.conbuffer + y * vid.conrowbytes + x;
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while (drawline--) {
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if (source[0])
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dest[0] = source[0];
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if (source[1])
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dest[1] = source[1];
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if (source[2])
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dest[2] = source[2];
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if (source[3])
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dest[3] = source[3];
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if (source[4])
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dest[4] = source[4];
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if (source[5])
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dest[5] = source[5];
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if (source[6])
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dest[6] = source[6];
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if (source[7])
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dest[7] = source[7];
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source += 128;
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dest += vid.conrowbytes;
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}
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}
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break;
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case 2:
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{
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unsigned short *dest = (unsigned short *) vid.conbuffer + y *
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(vid.conrowbytes >> 1) + x;
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while (drawline--) {
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if (source[0])
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dest[0] = d_8to16table[source[0]];
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if (source[1])
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dest[1] = d_8to16table[source[1]];
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if (source[2])
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dest[2] = d_8to16table[source[2]];
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if (source[3])
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dest[3] = d_8to16table[source[3]];
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if (source[4])
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dest[4] = d_8to16table[source[4]];
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if (source[5])
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dest[5] = d_8to16table[source[5]];
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if (source[6])
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dest[6] = d_8to16table[source[6]];
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if (source[7])
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dest[7] = d_8to16table[source[7]];
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source += 128;
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dest += (vid.conrowbytes >> 1);
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}
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}
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break;
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case 4:
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{
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unsigned int *dest = (unsigned int *) vid.conbuffer + y *
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(vid.conrowbytes >> 2) + x;
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while (drawline--) {
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if (source[0])
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dest[0] = d_8to24table[source[0]];
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if (source[1])
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dest[1] = d_8to24table[source[1]];
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if (source[2])
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dest[2] = d_8to24table[source[2]];
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if (source[3])
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dest[3] = d_8to24table[source[3]];
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if (source[4])
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dest[4] = d_8to24table[source[4]];
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if (source[5])
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dest[5] = d_8to24table[source[5]];
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if (source[6])
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dest[6] = d_8to24table[source[6]];
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if (source[7])
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dest[7] = d_8to24table[source[7]];
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source += 128;
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dest += (vid.conrowbytes >> 2);
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}
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}
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break;
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default:
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Sys_Error("Draw_Character: unsupported r_pixbytes %i\n", r_pixbytes);
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}
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}
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void
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Draw_String (int x, int y, const char *str)
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{
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while (*str) {
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Draw_Character (x, y, *str++);
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x += 8;
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}
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}
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void
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Draw_nString (int x, int y, const char *str, int count)
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{
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while (count-- && *str) {
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Draw_Character (x, y, *str++);
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x += 8;
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}
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}
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void
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Draw_AltString (int x, int y, const char *str)
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{
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while (*str) {
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Draw_Character (x, y, (*str++) | 0x80);
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x += 8;
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}
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}
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void
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Draw_Pixel (int x, int y, byte color)
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{
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switch(r_pixbytes)
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{
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case 1:
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((byte *) vid.conbuffer)[y * vid.conrowbytes + x] = color;
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break;
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case 2:
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((unsigned short *) vid.conbuffer)[y * (vid.conrowbytes >> 1) + x] =
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d_8to16table[color];
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break;
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case 4:
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((unsigned int *) vid.conbuffer)[y * (vid.conrowbytes >> 2) + x] =
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d_8to24table[color];
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break;
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default:
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Sys_Error("Draw_Pixel: unsupported r_pixbytes %i\n", r_pixbytes);
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}
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}
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void
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Draw_Crosshair (void)
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{
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int x, y;
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byte c = crosshaircolor->int_val;
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if (crosshair->int_val == 2) {
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x = scr_vrect.x + scr_vrect.width / 2 + cl_crossx->int_val;
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y = scr_vrect.y + scr_vrect.height / 2 + cl_crossy->int_val;
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Draw_Pixel (x - 1, y, c);
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Draw_Pixel (x - 3, y, c);
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Draw_Pixel (x + 1, y, c);
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Draw_Pixel (x + 3, y, c);
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Draw_Pixel (x, y - 1, c);
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Draw_Pixel (x, y - 3, c);
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Draw_Pixel (x, y + 1, c);
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Draw_Pixel (x, y + 3, c);
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} else if (crosshair->int_val)
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Draw_Character (scr_vrect.x + scr_vrect.width / 2 - 4 +
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cl_crossx->int_val,
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scr_vrect.y + scr_vrect.height / 2 - 4 +
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cl_crossy->int_val, '+');
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}
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void
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Draw_Pic (int x, int y, qpic_t *pic)
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{
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byte *source, tbyte;
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int v, u;
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if (x < 0 || (unsigned int) (x + pic->width) > vid.width || y < 0 ||
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(unsigned int) (y + pic->height) > vid.height) {
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Sys_Error ("Draw_Pic: bad coordinates");
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}
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source = pic->data;
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switch(r_pixbytes) {
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case 1:
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{
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byte *dest = (byte *) vid.buffer + y * vid.rowbytes + x;
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if (pic->width & 7) { // general
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for (v = 0; v < pic->height; v++) {
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for (u = 0; u < pic->width; u++)
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if ((tbyte = source[u]) != TRANSPARENT_COLOR)
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dest[u] = tbyte;
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dest += vid.rowbytes;
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source += pic->width;
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}
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} else { // unwound
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for (v = 0; v < pic->height; v++) {
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for (u = 0; u < pic->width; u += 8) {
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if ((tbyte = source[u]) != TRANSPARENT_COLOR)
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dest[u] = tbyte;
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if ((tbyte = source[u + 1]) != TRANSPARENT_COLOR)
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dest[u + 1] = tbyte;
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if ((tbyte = source[u + 2]) != TRANSPARENT_COLOR)
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dest[u + 2] = tbyte;
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if ((tbyte = source[u + 3]) != TRANSPARENT_COLOR)
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dest[u + 3] = tbyte;
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if ((tbyte = source[u + 4]) != TRANSPARENT_COLOR)
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dest[u + 4] = tbyte;
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if ((tbyte = source[u + 5]) != TRANSPARENT_COLOR)
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dest[u + 5] = tbyte;
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if ((tbyte = source[u + 6]) != TRANSPARENT_COLOR)
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dest[u + 6] = tbyte;
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if ((tbyte = source[u + 7]) != TRANSPARENT_COLOR)
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dest[u + 7] = tbyte;
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}
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dest += vid.rowbytes;
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source += pic->width;
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}
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}
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}
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break;
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case 2:
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{
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unsigned short *dest = (unsigned short *) vid.buffer + y *
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(vid.rowbytes >> 1) + x;
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for (v = 0; v < pic->height; v++) {
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for (u = 0; u < pic->width; u++) {
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tbyte = source[u];
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if (tbyte != TRANSPARENT_COLOR)
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dest[u] = d_8to16table[tbyte];
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}
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dest += vid.rowbytes >> 1;
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source += pic->width;
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}
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}
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break;
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case 4:
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{
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unsigned int *dest = (unsigned int *) vid.buffer + y *
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(vid.rowbytes >> 2) + x;
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for (v = 0; v < pic->height; v++) {
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for (u = 0; u < pic->width; u++) {
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tbyte = source[u];
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if (tbyte != TRANSPARENT_COLOR)
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dest[u] = d_8to24table[tbyte];
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}
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dest += vid.rowbytes >> 2;
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source += pic->width;
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}
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}
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break;
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default:
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Sys_Error("Draw_Pic: unsupported r_pixbytes %i\n", r_pixbytes);
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}
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}
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void
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Draw_SubPic (int x, int y, qpic_t *pic, int srcx, int srcy, int width,
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int height)
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{
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byte *source;
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int v, u;
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if ((x < 0) ||
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(x + width > vid.width) || (y < 0) || (y + height > vid.height)) {
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Sys_Error ("Draw_SubPic: bad coordinates");
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}
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source = pic->data + srcy * pic->width + srcx;
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switch (r_pixbytes) {
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case 1:
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{
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byte *dest = (byte *) vid.buffer + y * vid.rowbytes + x;
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for (v = 0; v < height; v++) {
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memcpy (dest, source, width);
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dest += vid.rowbytes;
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source += pic->width;
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}
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}
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break;
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case 2:
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{
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unsigned short *dest = (unsigned short *) vid.buffer + y *
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(vid.rowbytes >> 1) + x;
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for (v = 0; v < height; v++, dest += vid.rowbytes >> 1,
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source += pic->width)
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for (u = 0; u < width; u++)
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dest[u] = d_8to16table[source[u]];
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}
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break;
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case 4:
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{
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unsigned int *dest = (unsigned int *) vid.buffer + y *
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(vid.rowbytes >> 2) + x;
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for (v = 0; v < height; v++, dest += vid.rowbytes >> 2,
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source += pic->width)
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for (u = 0; u < width; u++)
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dest[u] = d_8to24table[source[u]];
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}
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break;
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default:
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Sys_Error("Draw_SubPic: unsupported r_pixbytes %i\n", r_pixbytes);
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}
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}
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void
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Draw_TransPicTranslate (int x, int y, qpic_t *pic, byte * translation)
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{
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byte *source, tbyte;
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int v, u;
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if (x < 0 || (unsigned int) (x + pic->width) > vid.width || y < 0 ||
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(unsigned int) (y + pic->height) > vid.height) {
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Sys_Error ("Draw_TransPic: bad coordinates");
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}
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source = pic->data;
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switch(r_pixbytes) {
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case 1:
|
|
{
|
|
byte *dest = (byte *) 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;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case 2:
|
|
{
|
|
unsigned short *dest = (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)
|
|
dest[u] = d_8to16table[translation[tbyte]];
|
|
}
|
|
dest += vid.rowbytes >> 1;
|
|
source += pic->width;
|
|
}
|
|
}
|
|
break;
|
|
case 4:
|
|
{
|
|
unsigned int *dest = (unsigned int *) vid.buffer + y *
|
|
(vid.rowbytes >> 2) + x;
|
|
for (v = 0; v < pic->height; v++) {
|
|
for (u = 0; u < pic->width; u++) {
|
|
tbyte = source[u];
|
|
if (tbyte != TRANSPARENT_COLOR)
|
|
dest[u] = d_8to24table[translation[tbyte]];
|
|
}
|
|
dest += vid.rowbytes >> 1;
|
|
source += pic->width;
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
Sys_Error("Draw_TransPicTranslate: unsupported r_pixbytes %i\n",
|
|
r_pixbytes);
|
|
}
|
|
}
|
|
|
|
|
|
void
|
|
Draw_ConsoleBackground (int lines)
|
|
{
|
|
int x, y, v;
|
|
byte *src;
|
|
int f, fstep;
|
|
qpic_t *conback;
|
|
|
|
conback = Draw_CachePic ("gfx/conback.lmp", true);
|
|
|
|
// draw the pic
|
|
switch(r_pixbytes) {
|
|
case 1:
|
|
{
|
|
byte *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;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case 2:
|
|
{
|
|
unsigned short *dest = (unsigned short *) vid.conbuffer;
|
|
|
|
for (y = 0; y < lines; y++, dest += (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) {
|
|
dest[x] = d_8to16table[src[f >> 16]];
|
|
f += fstep;
|
|
dest[x + 1] = d_8to16table[src[f >> 16]];
|
|
f += fstep;
|
|
dest[x + 2] = d_8to16table[src[f >> 16]];
|
|
f += fstep;
|
|
dest[x + 3] = d_8to16table[src[f >> 16]];
|
|
f += fstep;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case 4:
|
|
{
|
|
unsigned int *dest = (unsigned int *) vid.conbuffer;
|
|
for (y = 0; y < lines; y++, dest += (vid.conrowbytes >> 2)) {
|
|
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) {
|
|
dest[x ] = d_8to24table[src[f >> 16]];f += fstep;
|
|
dest[x + 1] = d_8to24table[src[f >> 16]];f += fstep;
|
|
dest[x + 2] = d_8to24table[src[f >> 16]];f += fstep;
|
|
dest[x + 3] = d_8to24table[src[f >> 16]];f += fstep;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
default:
|
|
Sys_Error("Draw_TransPicTranslate: unsupported r_pixbytes %i\n",
|
|
r_pixbytes);
|
|
}
|
|
|
|
// if (!cls.download)
|
|
Draw_AltString (vid.conwidth - strlen (cl_verstring->string) * 8 - 11,
|
|
lines - 14, cl_verstring->string);
|
|
}
|
|
|
|
void
|
|
R_DrawRect (vrect_t *prect, int rowbytes, byte * psrc, int transparent)
|
|
{
|
|
switch(r_pixbytes) {
|
|
case 1:
|
|
{
|
|
byte t;
|
|
int i, j, srcdelta, destdelta;
|
|
byte *pdest;
|
|
|
|
pdest = (byte *) 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;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case 2:
|
|
{
|
|
int i, j, srcdelta, destdelta;
|
|
unsigned short *pdest;
|
|
|
|
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++)
|
|
{
|
|
j = prect->width;
|
|
while(j >= 8)
|
|
{
|
|
j -= 8;
|
|
if (psrc[0] != TRANSPARENT_COLOR)
|
|
pdest[0] = d_8to16table[psrc[0]];
|
|
if (psrc[1] != TRANSPARENT_COLOR)
|
|
pdest[1] = d_8to16table[psrc[1]];
|
|
if (psrc[2] != TRANSPARENT_COLOR)
|
|
pdest[2] = d_8to16table[psrc[2]];
|
|
if (psrc[3] != TRANSPARENT_COLOR)
|
|
pdest[3] = d_8to16table[psrc[3]];
|
|
if (psrc[4] != TRANSPARENT_COLOR)
|
|
pdest[4] = d_8to16table[psrc[4]];
|
|
if (psrc[5] != TRANSPARENT_COLOR)
|
|
pdest[5] = d_8to16table[psrc[5]];
|
|
if (psrc[6] != TRANSPARENT_COLOR)
|
|
pdest[6] = d_8to16table[psrc[6]];
|
|
if (psrc[7] != TRANSPARENT_COLOR)
|
|
pdest[7] = d_8to16table[psrc[7]];
|
|
psrc += 8;
|
|
pdest += 8;
|
|
}
|
|
if (j & 4)
|
|
{
|
|
if (psrc[0] != TRANSPARENT_COLOR)
|
|
pdest[0] = d_8to16table[psrc[0]];
|
|
if (psrc[1] != TRANSPARENT_COLOR)
|
|
pdest[1] = d_8to16table[psrc[1]];
|
|
if (psrc[2] != TRANSPARENT_COLOR)
|
|
pdest[2] = d_8to16table[psrc[2]];
|
|
if (psrc[3] != TRANSPARENT_COLOR)
|
|
pdest[3] = d_8to16table[psrc[3]];
|
|
psrc += 4;
|
|
pdest += 4;
|
|
}
|
|
if (j & 2)
|
|
{
|
|
if (psrc[0] != TRANSPARENT_COLOR)
|
|
pdest[0] = d_8to16table[psrc[0]];
|
|
if (psrc[1] != TRANSPARENT_COLOR)
|
|
pdest[1] = d_8to16table[psrc[1]];
|
|
psrc += 2;
|
|
pdest += 2;
|
|
}
|
|
if (j & 1)
|
|
{
|
|
if (psrc[0] != TRANSPARENT_COLOR)
|
|
pdest[0] = d_8to16table[psrc[0]];
|
|
psrc++;
|
|
pdest++;
|
|
}
|
|
|
|
psrc += srcdelta;
|
|
pdest += destdelta;
|
|
}
|
|
} else {
|
|
for (i = 0; i < prect->height; i++, psrc += srcdelta,
|
|
pdest += destdelta)
|
|
{
|
|
j = prect->width;
|
|
while(j >= 8)
|
|
{
|
|
j -= 8;
|
|
pdest[0] = d_8to16table[psrc[0]];
|
|
pdest[1] = d_8to16table[psrc[1]];
|
|
pdest[2] = d_8to16table[psrc[2]];
|
|
pdest[3] = d_8to16table[psrc[3]];
|
|
pdest[4] = d_8to16table[psrc[4]];
|
|
pdest[5] = d_8to16table[psrc[5]];
|
|
pdest[6] = d_8to16table[psrc[6]];
|
|
pdest[7] = d_8to16table[psrc[7]];
|
|
psrc += 8;
|
|
pdest += 8;
|
|
}
|
|
if (j & 4)
|
|
{
|
|
pdest[0] = d_8to16table[psrc[0]];
|
|
pdest[1] = d_8to16table[psrc[1]];
|
|
pdest[2] = d_8to16table[psrc[2]];
|
|
pdest[3] = d_8to16table[psrc[3]];
|
|
psrc += 4;
|
|
pdest += 4;
|
|
}
|
|
if (j & 2)
|
|
{
|
|
pdest[0] = d_8to16table[psrc[0]];
|
|
pdest[1] = d_8to16table[psrc[1]];
|
|
psrc += 2;
|
|
pdest += 2;
|
|
}
|
|
if (j & 1)
|
|
{
|
|
pdest[0] = d_8to16table[psrc[0]];
|
|
psrc++;
|
|
pdest++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case 4:
|
|
{
|
|
int i, j, srcdelta, destdelta;
|
|
int *pdest;
|
|
|
|
pdest = (int *) vid.buffer + prect->y * (vid.rowbytes >> 2) + prect->x;
|
|
|
|
srcdelta = rowbytes - prect->width;
|
|
destdelta = (vid.rowbytes >> 2) - prect->width;
|
|
|
|
if (transparent)
|
|
{
|
|
for (i = 0; i < prect->height; i++)
|
|
{
|
|
j = prect->width;
|
|
while(j >= 8)
|
|
{
|
|
j -= 8;
|
|
if (psrc[0] != TRANSPARENT_COLOR)
|
|
pdest[0] = d_8to24table[psrc[0]];
|
|
if (psrc[1] != TRANSPARENT_COLOR)
|
|
pdest[1] = d_8to24table[psrc[1]];
|
|
if (psrc[2] != TRANSPARENT_COLOR)
|
|
pdest[2] = d_8to24table[psrc[2]];
|
|
if (psrc[3] != TRANSPARENT_COLOR)
|
|
pdest[3] = d_8to24table[psrc[3]];
|
|
if (psrc[4] != TRANSPARENT_COLOR)
|
|
pdest[4] = d_8to24table[psrc[4]];
|
|
if (psrc[5] != TRANSPARENT_COLOR)
|
|
pdest[5] = d_8to24table[psrc[5]];
|
|
if (psrc[6] != TRANSPARENT_COLOR)
|
|
pdest[6] = d_8to24table[psrc[6]];
|
|
if (psrc[7] != TRANSPARENT_COLOR)
|
|
pdest[7] = d_8to24table[psrc[7]];
|
|
psrc += 8;
|
|
pdest += 8;
|
|
}
|
|
if (j & 4)
|
|
{
|
|
if (psrc[0] != TRANSPARENT_COLOR)
|
|
pdest[0] = d_8to24table[psrc[0]];
|
|
if (psrc[1] != TRANSPARENT_COLOR)
|
|
pdest[1] = d_8to24table[psrc[1]];
|
|
if (psrc[2] != TRANSPARENT_COLOR)
|
|
pdest[2] = d_8to24table[psrc[2]];
|
|
if (psrc[3] != TRANSPARENT_COLOR)
|
|
pdest[3] = d_8to24table[psrc[3]];
|
|
psrc += 4;
|
|
pdest += 4;
|
|
}
|
|
if (j & 2)
|
|
{
|
|
if (psrc[0] != TRANSPARENT_COLOR)
|
|
pdest[0] = d_8to24table[psrc[0]];
|
|
if (psrc[1] != TRANSPARENT_COLOR)
|
|
pdest[1] = d_8to24table[psrc[1]];
|
|
psrc += 2;
|
|
pdest += 2;
|
|
}
|
|
if (j & 1)
|
|
{
|
|
if (psrc[0] != TRANSPARENT_COLOR)
|
|
pdest[0] = d_8to24table[psrc[0]];
|
|
psrc++;
|
|
pdest++;
|
|
}
|
|
|
|
psrc += srcdelta;
|
|
pdest += destdelta;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for (i = 0; i < prect->height; i++, psrc += srcdelta,
|
|
pdest += destdelta)
|
|
{
|
|
j = prect->width;
|
|
while(j >= 8)
|
|
{
|
|
j -= 8;
|
|
pdest[0] = d_8to24table[psrc[0]];
|
|
pdest[1] = d_8to24table[psrc[1]];
|
|
pdest[2] = d_8to24table[psrc[2]];
|
|
pdest[3] = d_8to24table[psrc[3]];
|
|
pdest[4] = d_8to24table[psrc[4]];
|
|
pdest[5] = d_8to24table[psrc[5]];
|
|
pdest[6] = d_8to24table[psrc[6]];
|
|
pdest[7] = d_8to24table[psrc[7]];
|
|
psrc += 8;
|
|
pdest += 8;
|
|
}
|
|
if (j & 4)
|
|
{
|
|
pdest[0] = d_8to24table[psrc[0]];
|
|
pdest[1] = d_8to24table[psrc[1]];
|
|
pdest[2] = d_8to24table[psrc[2]];
|
|
pdest[3] = d_8to24table[psrc[3]];
|
|
psrc += 4;
|
|
pdest += 4;
|
|
}
|
|
if (j & 2)
|
|
{
|
|
pdest[0] = d_8to24table[psrc[0]];
|
|
pdest[1] = d_8to24table[psrc[1]];
|
|
psrc += 2;
|
|
pdest += 2;
|
|
}
|
|
if (j & 1)
|
|
{
|
|
pdest[0] = d_8to24table[psrc[0]];
|
|
psrc++;
|
|
pdest++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
Sys_Error("R_DrawRect: unsupported r_pixbytes %i\n", r_pixbytes);
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
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;
|
|
|
|
R_DrawRect (&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)
|
|
{
|
|
int u, v;
|
|
|
|
if (x < 0 || x + w > vid.width || y < 0 || y + h > vid.height) {
|
|
Con_Printf ("Bad Draw_Fill(%d, %d, %d, %d, %c)\n", x, y, w, h, c);
|
|
return;
|
|
}
|
|
|
|
switch (r_pixbytes) {
|
|
case 1:
|
|
{
|
|
byte *dest = (byte *) vid.buffer + y * vid.rowbytes + x;
|
|
for (v = 0; v < h; v++, dest += vid.rowbytes)
|
|
for (u = 0; u < w; u++)
|
|
dest[u] = c;
|
|
}
|
|
break;
|
|
case 2:
|
|
{
|
|
unsigned short *dest = (unsigned short *) vid.buffer + y *
|
|
(vid.rowbytes >> 1) + x;
|
|
c = d_8to16table[c];
|
|
for (v = 0; v < h; v++, dest += (vid.rowbytes >> 1))
|
|
for (u = 0; u < w; u++)
|
|
dest[u] = c;
|
|
}
|
|
break;
|
|
case 4:
|
|
{
|
|
unsigned int *dest = (unsigned int *) vid.buffer + y *
|
|
(vid.rowbytes >> 2) + x;
|
|
c = d_8to24table[c];
|
|
for (v = 0; v < h; v++, dest += (vid.rowbytes >> 2))
|
|
for (u = 0; u < w; u++)
|
|
dest[u] = c;
|
|
}
|
|
break;
|
|
default:
|
|
Sys_Error("Draw_Fill: unsupported r_pixbytes %i\n", r_pixbytes);
|
|
}
|
|
}
|
|
|
|
|
|
void
|
|
Draw_FadeScreen (void)
|
|
{
|
|
int x, y;
|
|
|
|
VID_UnlockBuffer ();
|
|
S_ExtraUpdate ();
|
|
VID_LockBuffer ();
|
|
|
|
switch(r_pixbytes) {
|
|
case 1:
|
|
{
|
|
for (y = 0; y < vid.height; y++) {
|
|
int t;
|
|
byte *pbuf = (byte *) ((byte *) vid.buffer + vid.rowbytes * y);
|
|
t = (y & 1) << 1;
|
|
|
|
for (x = 0; x < vid.width; x++) {
|
|
if ((x & 3) != t)
|
|
pbuf[x] = 0;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case 2:
|
|
{
|
|
for (y = 0; y < vid.height; y++) {
|
|
unsigned short *pbuf = (unsigned short *)
|
|
((byte *) vid.buffer + vid.rowbytes * y);
|
|
pbuf = (unsigned short *) vid.buffer + (vid.rowbytes >> 1) * y;
|
|
for (x = 0; x < vid.width; x++)
|
|
pbuf[x] = (pbuf[x] >>= 1) & 0x7BEF;
|
|
}
|
|
}
|
|
break;
|
|
case 4:
|
|
{
|
|
for (y = 0; y < vid.height; y++) {
|
|
unsigned int *pbuf = (unsigned int *)
|
|
((byte *) vid.buffer + vid.rowbytes * y);
|
|
for (x = 0; x < vid.width; x++)
|
|
pbuf[x] = (pbuf[x] >>= 1) & 0x7F7F7F7F;
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
Sys_Error("Draw_FadeScreen: unsupported r_pixbytes %i\n", r_pixbytes);
|
|
}
|
|
|
|
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);
|
|
}
|