mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-15 01:11:27 +00:00
a372efee5c
Now all 4 slots of the crosshair table are used :) Also, fix the offset for pic based crosshairs in glsl, and use just one func for them.
828 lines
16 KiB
C
828 lines
16 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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#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 <stdlib.h>
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#include "QF/cvar.h"
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#include "QF/draw.h"
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#include "QF/quakefs.h"
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#include "QF/sound.h"
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#include "QF/sys.h"
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#include "d_iface.h"
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#include "r_internal.h"
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#include "vid_internal.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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static qpic_t *draw_disc;
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static 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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static cachepic_t cachepics[MAX_CACHED_PICS];
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static int numcachepics;
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#define CLIP(x,y,w,h,mw,mh) \
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do { \
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if (y < 0) { \
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h += y; \
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y = 0; \
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} \
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if (y + h > mh) \
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h = mh - y; \
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if (h <= 0) \
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return; \
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if (x < 0) { \
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w += x; \
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x = 0; \
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} \
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if (x + w > mw) \
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w = mw - x; \
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if (w <= 0) \
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return; \
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} while (0)
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qpic_t *
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Draw_MakePic (int width, int height, const byte *data)
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{
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qpic_t *pic;
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int size = width * height;
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pic = malloc (field_offset (qpic_t, data[size]));
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pic->width = width;
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pic->height = height;
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memcpy (pic->data, data, size);
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return pic;
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}
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void
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Draw_DestroyPic (qpic_t *pic)
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{
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free (pic);
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}
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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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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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for (pic = cachepics, i = 0; i < numcachepics; pic++, i++)
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if (!pic->name[0])
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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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}
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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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QFS_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_UncachePic (const char *path)
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{
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cachepic_t *pic;
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int i;
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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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Cache_Release (&pic->cache);
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pic->name[0] = 0;
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break;
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}
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}
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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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inline void
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Draw_Character (int x, int y, unsigned int chr)
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{
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byte *dest;
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byte *source;
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int drawline;
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int row, col;
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chr &= 255;
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if (y <= -8)
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return; // totally off screen
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if (y > vid.conheight - 8 || x < 0 || x > vid.conwidth - 8)
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return;
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if (chr < 0 || chr > 255)
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return;
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row = chr >> 4;
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col = chr & 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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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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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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static void
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Draw_Pixel (int x, int y, byte color)
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{
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byte *dest;
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dest = ((byte*)vid.conbuffer) + y * vid.conrowbytes + x;
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*dest = color;
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}
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static void
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crosshair_1 (int x, int y)
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{
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Draw_Character (x - 4, y - 4, '+');
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}
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static void
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crosshair_2 (int x, int y)
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{
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byte c = crosshaircolor->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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}
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static void
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crosshair_3 (int x, int y)
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{
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byte c = crosshaircolor->int_val;
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Draw_Pixel (x - 3, y - 3, c);
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Draw_Pixel (x + 3, y - 3, c);
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Draw_Pixel (x - 2, y - 2, c);
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Draw_Pixel (x + 2, y - 2, c);
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Draw_Pixel (x - 3, y + 3, c);
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Draw_Pixel (x + 2, y + 2, c);
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Draw_Pixel (x - 2, y + 2, c);
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Draw_Pixel (x + 3, y + 3, c);
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}
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static void
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crosshair_4 (int x, int y)
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{
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//byte c = crosshaircolor->int_val;
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Draw_Pixel (x, y - 2, 8);
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Draw_Pixel (x + 1, y - 2, 9);
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Draw_Pixel (x, y - 1, 6);
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Draw_Pixel (x + 1, y - 1, 8);
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Draw_Pixel (x + 2, y - 1, 2);
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Draw_Pixel (x - 2, y, 6);
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Draw_Pixel (x - 1, y, 8);
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Draw_Pixel (x, y, 8);
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Draw_Pixel (x + 1, y, 6);
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Draw_Pixel (x + 2, y, 8);
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Draw_Pixel (x + 3, y, 8);
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Draw_Pixel (x - 1, y + 1, 2);
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Draw_Pixel (x, y + 1, 8);
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Draw_Pixel (x + 1, y + 1, 8);
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Draw_Pixel (x + 2, y + 1, 2);
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Draw_Pixel (x + 3, y + 1, 2);
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Draw_Pixel (x + 4, y + 1, 2);
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Draw_Pixel (x, y + 2, 7);
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Draw_Pixel (x + 1, y + 2, 8);
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Draw_Pixel (x + 2, y + 2, 2);
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Draw_Pixel (x + 1, y + 3, 2);
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Draw_Pixel (x + 2, y + 3, 2);
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}
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static void
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crosshair_5 (int x, int y)
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{
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byte c = crosshaircolor->int_val;
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Draw_Pixel (x - 1, y - 3, c);
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Draw_Pixel (x + 0, y - 3, c);
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Draw_Pixel (x + 1, y - 3, c);
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Draw_Pixel (x - 2, y - 2, c);
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Draw_Pixel (x + 2, y - 2, c);
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Draw_Pixel (x - 3, y - 1, c);
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Draw_Pixel (x + 3, y - 1, c);
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Draw_Pixel (x - 3, y, c);
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Draw_Pixel (x, y, c);
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Draw_Pixel (x + 3, y, c);
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Draw_Pixel (x - 3, y + 1, c);
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Draw_Pixel (x + 3, y + 1, c);
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Draw_Pixel (x - 2, y + 2, c);
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Draw_Pixel (x + 2, y + 2, c);
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Draw_Pixel (x - 1, y + 3, c);
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Draw_Pixel (x + 0, y + 3, c);
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Draw_Pixel (x + 1, y + 3, c);
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}
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static void (*crosshair_func[]) (int x, int y) = {
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crosshair_1,
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crosshair_2,
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crosshair_3,
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crosshair_4,
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crosshair_5,
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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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int ch;
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ch = crosshair->int_val - 1;
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if ((unsigned) ch >= sizeof (crosshair_func) / sizeof (crosshair_func[0]))
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return;
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x = vid.conwidth / 2 + cl_crossx->int_val;
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y = vid.conheight / 2 + cl_crossy->int_val;
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crosshair_func[ch] (x, y);
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}
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void
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Draw_CrosshairAt (int ch, int x, int y)
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{
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ch -= 1;
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if ((unsigned) ch >= sizeof (crosshair_func) / sizeof (crosshair_func[0]))
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return;
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crosshair_func[ch] (x, y);
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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 *dest, *source, tbyte;
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int v, u;
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if (x < 0 || (x + pic->width) > vid.conwidth
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|| y < 0 || (y + pic->height) > vid.conheight) {
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Sys_MaskPrintf (SYS_VID, "Draw_Pic: bad coordinates");
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Draw_SubPic (x, y, pic, 0, 0, pic->width, pic->height);
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return;
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}
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source = pic->data;
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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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void
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Draw_Picf (float x, float y, qpic_t *pic)
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{
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Draw_Pic (x, y, pic);
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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 *dest, *source, tbyte;
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int u, v;
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if ((x < 0) || (x + width > vid.conwidth)
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|| (y < 0) || (y + height > vid.conheight)) {
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Sys_MaskPrintf (SYS_VID, "Draw_SubPic: bad coordinates");
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}
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// first, clip to screen
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if (x < 0) {
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srcx += x;
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width += x;
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x = 0;
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}
|
|
if (x + width > vid.width)
|
|
width = vid.width - x;
|
|
if (width <= 0)
|
|
return;
|
|
if (y < 0) {
|
|
srcy += y;
|
|
height += y;
|
|
y = 0;
|
|
}
|
|
if (y + height > vid.height)
|
|
height = vid.height - y;
|
|
if (height <= 0)
|
|
return;
|
|
// next, clip to pic
|
|
CLIP (srcx, srcy, width, height, pic->width, pic->height);
|
|
|
|
source = pic->data + srcy * pic->width + srcx;
|
|
|
|
dest = ((byte*)vid.buffer) + y * vid.rowbytes + x;
|
|
|
|
if (width & 7) { // general
|
|
for (v = 0; v < height; v++) {
|
|
for (u = 0; u < width; u++)
|
|
if ((tbyte = source[u]) != TRANSPARENT_COLOR)
|
|
dest[u] = tbyte;
|
|
|
|
dest += vid.rowbytes;
|
|
source += pic->width;
|
|
}
|
|
} else { // unwound
|
|
for (v = 0; v < height; v++) {
|
|
for (u = 0; u < 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;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void
|
|
Draw_ConsoleBackground (int lines, byte alpha)
|
|
{
|
|
int x, y, v;
|
|
byte *src, *dest;
|
|
int f, fstep;
|
|
qpic_t *conback;
|
|
|
|
conback = Draw_CachePic ("gfx/conback.lmp", false);
|
|
|
|
// draw the pic
|
|
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;
|
|
}
|
|
}
|
|
}
|
|
|
|
Draw_AltString (vid.conwidth - strlen (cl_verstring->string) * 8 - 11,
|
|
lines - 14, cl_verstring->string);
|
|
}
|
|
|
|
static void
|
|
R_DrawRect (vrect_t *prect, int rowbytes, byte * psrc, int transparent)
|
|
{
|
|
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;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
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;
|
|
|
|
CLIP (x, y, w, h, vid.width, vid.height);
|
|
|
|
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)
|
|
{
|
|
byte *dest;
|
|
int u, v;
|
|
|
|
if (x < 0 || x + w > vid.conwidth
|
|
|| y < 0 || y + h > vid.conheight) {
|
|
Sys_MaskPrintf (SYS_VID, "Bad Draw_Fill(%d, %d, %d, %d, %c)\n",
|
|
x, y, w, h, c);
|
|
}
|
|
CLIP (x, y, w, h, vid.width, vid.height);
|
|
|
|
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;
|
|
}
|
|
|
|
|
|
void
|
|
Draw_FadeScreen (void)
|
|
{
|
|
int x, y;
|
|
byte *pbuf;
|
|
|
|
VID_UnlockBuffer ();
|
|
S_ExtraUpdate ();
|
|
VID_LockBuffer ();
|
|
|
|
for (y = 0; y < vid.conheight; y++) {
|
|
unsigned int t;
|
|
|
|
pbuf = ((byte *)vid.buffer) + vid.rowbytes * y;
|
|
t = (y & 1) << 1;
|
|
|
|
for (x = 0; x < vid.conwidth; x++) {
|
|
if ((x & 3) != t)
|
|
pbuf[x] = 0;
|
|
}
|
|
}
|
|
|
|
VID_UnlockBuffer ();
|
|
S_ExtraUpdate ();
|
|
VID_LockBuffer ();
|
|
}
|
|
|
|
void
|
|
Draw_BlendScreen (quat_t color)
|
|
{
|
|
int r, g, b, i;
|
|
byte *basepal, *newpal;
|
|
byte pal[768];
|
|
basepal = vid.basepal;
|
|
newpal = pal;
|
|
|
|
for (i = 0; i < 256; i++) {
|
|
r = basepal[0];
|
|
g = basepal[1];
|
|
b = basepal[2];
|
|
basepal += 3;
|
|
|
|
r += (int) (color[3] * (color[0] * 256 - r));
|
|
g += (int) (color[3] * (color[1] * 256 - g));
|
|
b += (int) (color[3] * (color[2] * 256 - b));
|
|
|
|
newpal[0] = vid.gammatable[r];
|
|
newpal[1] = vid.gammatable[g];
|
|
newpal[2] = vid.gammatable[b];
|
|
newpal += 3;
|
|
}
|
|
vid.set_palette (pal);
|
|
}
|