source: libcaca/trunk/examples/aafire.c @ 316

Last change on this file since 316 was 316, checked in by Sam Hocevar, 19 years ago
  • src/io.c: + caca_get_event() and caca_wait_event() now accept a mask as an argument

in order to select events.

  • Property svn:keywords set to Id
File size: 8.0 KB
Line 
1/*
2 *  cacafire      fire demo for libcaca
3 *  Copyright (c) 2003 Sam Hocevar <sam@zoy.org>
4 *                Jan Hubicka (hubicka@freesoft.cz)
5 *                Thomas A. K. Kjaer (takjaer@daimi.aau.dk)
6 *                Tim Newsome (nuisance@cmu.edu)
7 *                Kamil Toman (toman@artax.karlin.mff.cuni.cz)
8 *                All Rights Reserved
9 *
10 *  $Id: aafire.c 316 2004-01-05 18:17:20Z sam $
11 *
12 *  This program is free software; you can redistribute it and/or
13 *  modify it under the terms of the GNU Lesser General Public
14 *  License as published by the Free Software Foundation; either
15 *  version 2 of the License, or (at your option) any later version.
16 *
17 *  This program is distributed in the hope that it will be useful,
18 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
19 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
20 *  Lesser General Public License for more details.
21 *
22 *  You should have received a copy of the GNU Lesser General Public
23 *  License along with this program; if not, write to the Free Software
24 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
25 *  02111-1307  USA
26 */
27
28#ifdef LIBCACA
29#include "config.h"
30#include <stdio.h>
31#include <stdlib.h>
32#include <string.h>
33#include "caca.h"
34#else
35#include <stdio.h>
36#include "aalib.h"
37
38#define XSIZ aa_imgwidth(context)
39#define YSIZ (aa_imgheight(context)-4)
40#endif
41#define MAXTABLE (256*5)
42#ifdef LIBCACA
43static int XSIZ, YSIZ;
44static struct caca_bitmap *caca_bitmap;
45static char *bitmap;
46#else
47static aa_context *context;
48static aa_renderparams *params;
49static aa_palette palette;
50#endif
51static unsigned int table[MAXTABLE];
52#ifdef LIBCACA
53static int const pal[] =
54#else
55__AA_CONST static int pal[] =
56#endif
57{
58  0, 0, 0, 0, 0, 6, 0, 0, 6, 0, 0, 7, 0, 0, 8, 0, 0, 8, 0, 0, 9, 0, 0, 10,
592, 0, 10, 4, 0, 9, 6, 0, 9, 8, 0, 8, 10, 0, 7, 12, 0, 7, 14, 0, 6, 16, 0, 5,
60  18, 0, 5, 20, 0, 4, 22, 0, 4, 24, 0, 3, 26, 0, 2, 28, 0, 2, 30, 0, 1, 32, 0, 0,
61  32, 0, 0, 33, 0, 0, 34, 0, 0, 35, 0, 0, 36, 0, 0, 36, 0, 0, 37, 0, 0, 38, 0, 0,
62  39, 0, 0, 40, 0, 0, 40, 0, 0, 41, 0, 0, 42, 0, 0, 43, 0, 0, 44, 0, 0, 45, 0, 0,
63  46, 1, 0, 47, 1, 0, 48, 2, 0, 49, 2, 0, 50, 3, 0, 51, 3, 0, 52, 4, 0, 53, 4, 0,
64  54, 5, 0, 55, 5, 0, 56, 6, 0, 57, 6, 0, 58, 7, 0, 59, 7, 0, 60, 8, 0, 61, 8, 0,
65  63, 9, 0, 63, 9, 0, 63, 10, 0, 63, 10, 0, 63, 11, 0, 63, 11, 0, 63, 12, 0, 63, 12, 0,
66  63, 13, 0, 63, 13, 0, 63, 14, 0, 63, 14, 0, 63, 15, 0, 63, 15, 0, 63, 16, 0, 63, 16, 0,
67  63, 17, 0, 63, 17, 0, 63, 18, 0, 63, 18, 0, 63, 19, 0, 63, 19, 0, 63, 20, 0, 63, 20, 0,
68  63, 21, 0, 63, 21, 0, 63, 22, 0, 63, 22, 0, 63, 23, 0, 63, 24, 0, 63, 24, 0, 63, 25, 0,
69  63, 25, 0, 63, 26, 0, 63, 26, 0, 63, 27, 0, 63, 27, 0, 63, 28, 0, 63, 28, 0, 63, 29, 0,
70  63, 29, 0, 63, 30, 0, 63, 30, 0, 63, 31, 0, 63, 31, 0, 63, 32, 0, 63, 32, 0, 63, 33, 0,
71  63, 33, 0, 63, 34, 0, 63, 34, 0, 63, 35, 0, 63, 35, 0, 63, 36, 0, 63, 36, 0, 63, 37, 0,
72  63, 38, 0, 63, 38, 0, 63, 39, 0, 63, 39, 0, 63, 40, 0, 63, 40, 0, 63, 41, 0, 63, 41, 0,
73  63, 42, 0, 63, 42, 0, 63, 43, 0, 63, 43, 0, 63, 44, 0, 63, 44, 0, 63, 45, 0, 63, 45, 0,
74  63, 46, 0, 63, 46, 0, 63, 47, 0, 63, 47, 0, 63, 48, 0, 63, 48, 0, 63, 49, 0, 63, 49, 0,
75  63, 50, 0, 63, 50, 0, 63, 51, 0, 63, 52, 0, 63, 52, 0, 63, 52, 0, 63, 52, 0, 63, 52, 0,
76  63, 53, 0, 63, 53, 0, 63, 53, 0, 63, 53, 0, 63, 54, 0, 63, 54, 0, 63, 54, 0, 63, 54, 0,
77  63, 54, 0, 63, 55, 0, 63, 55, 0, 63, 55, 0, 63, 55, 0, 63, 56, 0, 63, 56, 0, 63, 56, 0,
78  63, 56, 0, 63, 57, 0, 63, 57, 0, 63, 57, 0, 63, 57, 0, 63, 57, 0, 63, 58, 0, 63, 58, 0,
79  63, 58, 0, 63, 58, 0, 63, 59, 0, 63, 59, 0, 63, 59, 0, 63, 59, 0, 63, 60, 0, 63, 60, 0,
80  63, 60, 0, 63, 60, 0, 63, 60, 0, 63, 61, 0, 63, 61, 0, 63, 61, 0, 63, 61, 0, 63, 62, 0,
81  63, 62, 0, 63, 62, 0, 63, 62, 0, 63, 63, 0, 63, 63, 1, 63, 63, 2, 63, 63, 3, 63, 63, 4,
82  63, 63, 5, 63, 63, 6, 63, 63, 7, 63, 63, 8, 63, 63, 9, 63, 63, 10, 63, 63, 10, 63, 63, 11,
83  63, 63, 12, 63, 63, 13, 63, 63, 14, 63, 63, 15, 63, 63, 16, 63, 63, 17, 63, 63, 18, 63, 63, 19,
84  63, 63, 20, 63, 63, 21, 63, 63, 21, 63, 63, 22, 63, 63, 23, 63, 63, 24, 63, 63, 25, 63, 63, 26,
85  63, 63, 27, 63, 63, 28, 63, 63, 29, 63, 63, 30, 63, 63, 31, 63, 63, 31, 63, 63, 32, 63, 63, 33,
86  63, 63, 34, 63, 63, 35, 63, 63, 36, 63, 63, 37, 63, 63, 38, 63, 63, 39, 63, 63, 40, 63, 63, 41,
87  63, 63, 42, 63, 63, 42, 63, 63, 43, 63, 63, 44, 63, 63, 45, 63, 63, 46, 63, 63, 47, 63, 63, 48,
88  63, 63, 49, 63, 63, 50, 63, 63, 51, 63, 63, 52, 63, 63, 52, 63, 63, 53, 63, 63, 54, 63, 63, 55,
89  63, 63, 56, 63, 63, 57, 63, 63, 58, 63, 63, 59, 63, 63, 60, 63, 63, 61, 63, 63, 62, 63, 63, 63};
90
91
92static void
93initialize (void)
94{
95  int i;
96#ifdef LIBCACA
97  int r[256], g[256], b[256], a[256];
98#endif
99
100#ifdef LIBCACA
101  if (caca_init())
102    {
103      printf ("Failed to initialize libcaca\n");
104      exit (1);
105    }
106  caca_set_delay(0);
107  XSIZ = caca_get_width() * 2;
108  YSIZ = caca_get_height() * 2 - 4;
109#else
110  context = aa_autoinit (&aa_defparams);
111  if (context == NULL)
112    {
113      printf ("Failed to initialize aalib\n");
114      exit (1);
115    }
116  aa_autoinitkbd (context, 0);
117  params = aa_getrenderparams ();
118#endif
119
120  for (i = 0; i < 256; i++)
121#ifdef LIBCACA
122  {
123    r[i] = pal[i * 3] * 64;
124    g[i] = pal[i * 3 + 1] * 64;
125    b[i] = pal[i * 3 + 2] * 64;
126    a[i] = 0xfff;
127  }
128#else
129    aa_setpalette (palette, i, pal[i * 3] * 4,
130                   pal[i * 3 + 1] * 4, pal[i * 3 + 2] * 4);
131#endif
132
133#ifdef LIBCACA
134  caca_bitmap = caca_create_bitmap(8, XSIZ, YSIZ - 2, XSIZ, 0, 0, 0, 0);
135  caca_set_bitmap_palette(caca_bitmap, r, g, b, a);
136  bitmap = malloc(4 * caca_get_width() * caca_get_height() * sizeof(char));
137  memset(bitmap, 0, 4 * caca_get_width() * caca_get_height());
138#else
139  aa_hidecursor (context);
140#endif
141}
142static void
143uninitialize (void)
144{
145#ifdef LIBCACA
146  caca_end();
147#else
148  aa_close (context);
149#endif
150  exit (0);
151}
152static void
153gentable (void)
154{
155  unsigned int i, p2;
156  unsigned int minus = 800 / YSIZ;
157  if (minus == 0)
158    minus = 1;
159  for (i = 0; i < MAXTABLE; i++)
160    {
161      if (i > minus)
162        {
163          p2 = (i - minus) / 5;
164          table[i] = p2;
165        }
166      else
167        table[i] = 0;
168    }
169}
170
171#define MA 5
172static void
173firemain (void)
174{
175  register unsigned int i;
176  unsigned char *p;
177#ifndef LIBCACA
178  char *bitmap = aa_image (context);
179#endif
180  i = 0;
181#define END (bitmap + XSIZ * YSIZ)
182  for (p = bitmap; p <= (unsigned char *) (END); p += 1)
183    {
184      *p = table[(*(p + XSIZ - 1) + *(p + XSIZ + 1) + *(p + XSIZ)) +
185                 (*(p + 2 * XSIZ - 1) + *(p + 2 * XSIZ + 1))];
186    }
187}
188
189#define min(x,y) ((x)<(y)?(x):(y))
190static void
191drawfire (void)
192{
193  unsigned int i, last1, i1, i2;
194  static int loop = 0, sloop = 0;
195  static unsigned int height = 0;
196  register unsigned char *p;
197#ifndef LIBCACA
198  char *bitmap = aa_image (context);
199#endif
200
201  height++;
202  loop--;
203  if (loop < 0)
204    loop = rand () % 3, sloop++;;
205  i1 = 1;
206  i2 = 4 * XSIZ + 1;
207  for (p = (char *) bitmap + XSIZ * (YSIZ + 0);
208       p < ((unsigned char *) bitmap + XSIZ * (YSIZ + 1));
209       p++, i1 += 4, i2 -= 4)
210    {
211      last1 = rand () % min (i1, min (i2, height));
212      i = rand () % 6;
213      for (; p < (unsigned char *) bitmap + XSIZ * (YSIZ + 1) && i != 0;
214           p++, i--, i1 += 4, i2 -= 4)
215        *p = last1, last1 += rand () % 6 - 2, *(p + XSIZ) = last1, last1 +=
216          rand () % 6 - 2;
217      *(p + 2 * XSIZ) = last1, last1 += rand () % 6 - 2;
218    }
219  i = 0;
220  firemain ();
221#ifdef LIBCACA
222  caca_draw_bitmap(0, 0, caca_get_width() - 1, caca_get_height() - 1,
223                   caca_bitmap, bitmap);
224  caca_refresh();
225  XSIZ = caca_get_width() * 2;
226  YSIZ = caca_get_height() * 2 - 4;
227#else
228  aa_renderpalette (context, palette, params, 0, 0, aa_scrwidth (context),
229                    aa_scrheight (context));
230  aa_flush (context);
231#endif
232}
233static void
234game (void)
235{
236  int event;
237  gentable ();
238#ifdef LIBCACA
239  while (!(event = caca_get_event(CACA_EVENT_KEY_PRESS)))
240#else
241  while (!(event = aa_getevent (context, 0)) || event == AA_RESIZE)
242#endif
243    {
244      drawfire ();
245    }
246}
247int
248main (int argc, char **argv)
249{
250#ifndef LIBCACA
251  if (!aa_parseoptions (NULL, NULL, &argc, argv) || argc != 1)
252    {
253      printf ("%s", aa_help);
254      exit (1);
255    }
256#endif
257  initialize ();
258#ifndef LIBCACA
259  aa_resizehandler (context, (void *) aa_resize);
260#endif
261  game ();
262  uninitialize ();
263  return 1;
264}
Note: See TracBrowser for help on using the repository browser.