source: libcaca/trunk/examples/aafire.c @ 514

Last change on this file since 514 was 514, checked in by Jean-Yves Lamoureux, 17 years ago
  • Fixed remaining warnings with gcc 3.x and 4.x
  • Property svn:keywords set to Id
File size: 8.2 KB
Line 
1/*
2 *  cacafire      fire demo for libcaca
3 *  Copyright (c) 2003 Sam Hocevar <sam@zoy.org>
4 *                1998, 1999, 2001 Jan Hubicka <hubicka@freesoft.cz>
5 *                All Rights Reserved
6 *
7 *  $Id: aafire.c 514 2005-11-18 10:46:53Z jylam $
8 *
9 *  This program is free software; you can redistribute it and/or
10 *  modify it under the terms of the GNU Lesser General Public
11 *  License as published by the Free Software Foundation; either
12 *  version 2 of the License, or (at your option) any later version.
13 *
14 *  This program is distributed in the hope that it will be useful,
15 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
16 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
17 *  Lesser General Public License for more details.
18 *
19 *  You should have received a copy of the GNU Lesser General Public
20 *  License along with this program; if not, write to the Free Software
21 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
22 *  02111-1307  USA
23 */
24
25#ifdef LIBCACA
26#include "config.h"
27#include <stdio.h>
28#include <stdlib.h>
29#include <string.h>
30#include "caca.h"
31#else
32#include <stdio.h>
33#include "aalib.h"
34
35#define XSIZ aa_imgwidth(context)
36#define YSIZ (aa_imgheight(context)-4)
37#endif
38#define MAXTABLE (256*5)
39#ifdef LIBCACA
40static int XSIZ, YSIZ;
41static struct caca_bitmap *caca_bitmap;
42static char *bitmap;
43static int pause = 0;
44#else
45static aa_context *context;
46static aa_renderparams *params;
47static aa_palette palette;
48#endif
49static unsigned int table[MAXTABLE];
50#ifdef LIBCACA
51static int const pal[] =
52#else
53__AA_CONST static int pal[] =
54#endif
55{
56  0, 0, 0, 0, 0, 6, 0, 0, 6, 0, 0, 7, 0, 0, 8, 0, 0, 8, 0, 0, 9, 0, 0, 10,
572, 0, 10, 4, 0, 9, 6, 0, 9, 8, 0, 8, 10, 0, 7, 12, 0, 7, 14, 0, 6, 16, 0, 5,
58  18, 0, 5, 20, 0, 4, 22, 0, 4, 24, 0, 3, 26, 0, 2, 28, 0, 2, 30, 0, 1, 32, 0, 0,
59  32, 0, 0, 33, 0, 0, 34, 0, 0, 35, 0, 0, 36, 0, 0, 36, 0, 0, 37, 0, 0, 38, 0, 0,
60  39, 0, 0, 40, 0, 0, 40, 0, 0, 41, 0, 0, 42, 0, 0, 43, 0, 0, 44, 0, 0, 45, 0, 0,
61  46, 1, 0, 47, 1, 0, 48, 2, 0, 49, 2, 0, 50, 3, 0, 51, 3, 0, 52, 4, 0, 53, 4, 0,
62  54, 5, 0, 55, 5, 0, 56, 6, 0, 57, 6, 0, 58, 7, 0, 59, 7, 0, 60, 8, 0, 61, 8, 0,
63  63, 9, 0, 63, 9, 0, 63, 10, 0, 63, 10, 0, 63, 11, 0, 63, 11, 0, 63, 12, 0, 63, 12, 0,
64  63, 13, 0, 63, 13, 0, 63, 14, 0, 63, 14, 0, 63, 15, 0, 63, 15, 0, 63, 16, 0, 63, 16, 0,
65  63, 17, 0, 63, 17, 0, 63, 18, 0, 63, 18, 0, 63, 19, 0, 63, 19, 0, 63, 20, 0, 63, 20, 0,
66  63, 21, 0, 63, 21, 0, 63, 22, 0, 63, 22, 0, 63, 23, 0, 63, 24, 0, 63, 24, 0, 63, 25, 0,
67  63, 25, 0, 63, 26, 0, 63, 26, 0, 63, 27, 0, 63, 27, 0, 63, 28, 0, 63, 28, 0, 63, 29, 0,
68  63, 29, 0, 63, 30, 0, 63, 30, 0, 63, 31, 0, 63, 31, 0, 63, 32, 0, 63, 32, 0, 63, 33, 0,
69  63, 33, 0, 63, 34, 0, 63, 34, 0, 63, 35, 0, 63, 35, 0, 63, 36, 0, 63, 36, 0, 63, 37, 0,
70  63, 38, 0, 63, 38, 0, 63, 39, 0, 63, 39, 0, 63, 40, 0, 63, 40, 0, 63, 41, 0, 63, 41, 0,
71  63, 42, 0, 63, 42, 0, 63, 43, 0, 63, 43, 0, 63, 44, 0, 63, 44, 0, 63, 45, 0, 63, 45, 0,
72  63, 46, 0, 63, 46, 0, 63, 47, 0, 63, 47, 0, 63, 48, 0, 63, 48, 0, 63, 49, 0, 63, 49, 0,
73  63, 50, 0, 63, 50, 0, 63, 51, 0, 63, 52, 0, 63, 52, 0, 63, 52, 0, 63, 52, 0, 63, 52, 0,
74  63, 53, 0, 63, 53, 0, 63, 53, 0, 63, 53, 0, 63, 54, 0, 63, 54, 0, 63, 54, 0, 63, 54, 0,
75  63, 54, 0, 63, 55, 0, 63, 55, 0, 63, 55, 0, 63, 55, 0, 63, 56, 0, 63, 56, 0, 63, 56, 0,
76  63, 56, 0, 63, 57, 0, 63, 57, 0, 63, 57, 0, 63, 57, 0, 63, 57, 0, 63, 58, 0, 63, 58, 0,
77  63, 58, 0, 63, 58, 0, 63, 59, 0, 63, 59, 0, 63, 59, 0, 63, 59, 0, 63, 60, 0, 63, 60, 0,
78  63, 60, 0, 63, 60, 0, 63, 60, 0, 63, 61, 0, 63, 61, 0, 63, 61, 0, 63, 61, 0, 63, 62, 0,
79  63, 62, 0, 63, 62, 0, 63, 62, 0, 63, 63, 0, 63, 63, 1, 63, 63, 2, 63, 63, 3, 63, 63, 4,
80  63, 63, 5, 63, 63, 6, 63, 63, 7, 63, 63, 8, 63, 63, 9, 63, 63, 10, 63, 63, 10, 63, 63, 11,
81  63, 63, 12, 63, 63, 13, 63, 63, 14, 63, 63, 15, 63, 63, 16, 63, 63, 17, 63, 63, 18, 63, 63, 19,
82  63, 63, 20, 63, 63, 21, 63, 63, 21, 63, 63, 22, 63, 63, 23, 63, 63, 24, 63, 63, 25, 63, 63, 26,
83  63, 63, 27, 63, 63, 28, 63, 63, 29, 63, 63, 30, 63, 63, 31, 63, 63, 31, 63, 63, 32, 63, 63, 33,
84  63, 63, 34, 63, 63, 35, 63, 63, 36, 63, 63, 37, 63, 63, 38, 63, 63, 39, 63, 63, 40, 63, 63, 41,
85  63, 63, 42, 63, 63, 42, 63, 63, 43, 63, 63, 44, 63, 63, 45, 63, 63, 46, 63, 63, 47, 63, 63, 48,
86  63, 63, 49, 63, 63, 50, 63, 63, 51, 63, 63, 52, 63, 63, 52, 63, 63, 53, 63, 63, 54, 63, 63, 55,
87  63, 63, 56, 63, 63, 57, 63, 63, 58, 63, 63, 59, 63, 63, 60, 63, 63, 61, 63, 63, 62, 63, 63, 63};
88
89
90static void
91initialize (void)
92{
93  int i;
94#ifdef LIBCACA
95  unsigned int r[256], g[256], b[256], a[256];
96#endif
97
98#ifdef LIBCACA
99  if (caca_init())
100    {
101      printf ("Failed to initialize libcaca\n");
102      exit (1);
103    }
104  caca_set_delay(10000);
105  XSIZ = caca_get_width() * 2;
106  YSIZ = caca_get_height() * 2 - 4;
107#else
108  context = aa_autoinit (&aa_defparams);
109  if (context == NULL)
110    {
111      printf ("Failed to initialize aalib\n");
112      exit (1);
113    }
114  aa_autoinitkbd (context, 0);
115  params = aa_getrenderparams ();
116#endif
117
118  for (i = 0; i < 256; i++)
119#ifdef LIBCACA
120  {
121    r[i] = pal[i * 3] * 64;
122    g[i] = pal[i * 3 + 1] * 64;
123    b[i] = pal[i * 3 + 2] * 64;
124    a[i] = 0xfff;
125  }
126#else
127    aa_setpalette (palette, i, pal[i * 3] * 4,
128                   pal[i * 3 + 1] * 4, pal[i * 3 + 2] * 4);
129#endif
130
131#ifdef LIBCACA
132  caca_bitmap = caca_create_bitmap(8, XSIZ, YSIZ - 2, XSIZ, 0, 0, 0, 0);
133  caca_set_bitmap_palette(caca_bitmap, r, g, b, a);
134  bitmap = malloc(4 * caca_get_width() * caca_get_height() * sizeof(char));
135  memset(bitmap, 0, 4 * caca_get_width() * caca_get_height());
136#else
137  aa_hidecursor (context);
138#endif
139}
140static void
141uninitialize (void)
142{
143#ifdef LIBCACA
144  caca_end();
145#else
146  aa_close (context);
147#endif
148  exit (0);
149}
150static void
151gentable (void)
152{
153  unsigned int i, p2;
154  unsigned int minus = 800 / YSIZ;
155  if (minus == 0)
156    minus = 1;
157  for (i = 0; i < MAXTABLE; i++)
158    {
159      if (i > minus)
160        {
161          p2 = (i - minus) / 5;
162          table[i] = p2;
163        }
164      else
165        table[i] = 0;
166    }
167}
168
169#define MA 5
170static void
171firemain (void)
172{
173  register unsigned int i;
174  unsigned char *p;
175#ifndef LIBCACA
176  char *bitmap = aa_image (context);
177#endif
178  i = 0;
179#define END (bitmap + XSIZ * YSIZ)
180  for (p = (unsigned char*)bitmap;
181       (char*)p <= (( char *) (END));
182       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#else
200  if(pause)
201    goto paused;
202#endif
203
204  height++;
205  loop--;
206  if (loop < 0)
207    loop = rand () % 3, sloop++;;
208  i1 = 1;
209  i2 = 4 * XSIZ + 1;
210  for (p = (unsigned char *) bitmap + XSIZ * (YSIZ + 0);
211       p < ((unsigned char *) bitmap + XSIZ * (YSIZ + 1));
212       p++, i1 += 4, i2 -= 4)
213    {
214      last1 = rand () % min (i1, min (i2, height));
215      i = rand () % 6;
216      for (; p < (unsigned char *) bitmap + XSIZ * (YSIZ + 1) && i != 0;
217           p++, i--, i1 += 4, i2 -= 4)
218        *p = last1, last1 += rand () % 6 - 2, *(p + XSIZ) = last1, last1 +=
219          rand () % 6 - 2;
220      *(p + 2 * XSIZ) = last1, last1 += rand () % 6 - 2;
221    }
222  i = 0;
223  firemain ();
224#ifdef LIBCACA
225paused:
226  caca_draw_bitmap(0, 0, caca_get_width() - 1, caca_get_height() - 1,
227                   caca_bitmap, bitmap);
228  caca_refresh();
229  /*XSIZ = caca_get_width() * 2;
230  YSIZ = caca_get_height() * 2 - 4;*/
231#else
232  aa_renderpalette (context, palette, params, 0, 0, aa_scrwidth (context),
233                    aa_scrheight (context));
234  aa_flush (context);
235#endif
236}
237static void
238game (void)
239{
240#ifndef LIBCACA
241  int event;
242#endif
243  gentable ();
244#ifdef LIBCACA
245  for(;;)
246#else
247  while (!(event = aa_getevent (context, 0)) || event == AA_RESIZE)
248#endif
249    {
250#ifdef LIBCACA
251      switch (caca_get_event(CACA_EVENT_KEY_PRESS))
252        {
253          case CACA_EVENT_KEY_PRESS | CACA_KEY_ESCAPE: return;
254          case CACA_EVENT_KEY_PRESS | ' ': pause = !pause;
255        }
256
257#endif
258      drawfire ();
259    }
260}
261int
262main (int argc, char **argv)
263{
264#ifndef LIBCACA
265  if (!aa_parseoptions (NULL, NULL, &argc, argv) || argc != 1)
266    {
267      printf ("%s", aa_help);
268      exit (1);
269    }
270#endif
271  initialize ();
272#ifndef LIBCACA
273  aa_resizehandler (context, (void *) aa_resize);
274#endif
275  game ();
276  uninitialize ();
277  return 1;
278}
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