source: libcaca/trunk/src/aafire.c @ 4333

Last change on this file since 4333 was 4333, checked in by Sam Hocevar, 12 years ago

Large source code cleanup, getting rid of spaces, tabs, and svn keywords.

  • Property svn:keywords set to Id
File size: 9.1 KB
Line 
1/*
2 *  cacafire      fire demo for libcaca
3 *  Copyright (c) 2003 Sam Hocevar <sam@hocevar.net>
4 *                1998, 1999, 2001 Jan Hubicka <hubicka@freesoft.cz>
5 *                All Rights Reserved
6 *
7 *  This program is free software; you can redistribute it and/or
8 *  modify it under the terms of the GNU Lesser General Public
9 *  License as published by the Free Software Foundation; either
10 *  version 2 of the License, or (at your option) any later version.
11 *
12 *  This program is distributed in the hope that it will be useful,
13 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
14 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15 *  Lesser General Public License for more details.
16 *
17 *  You should have received a copy of the GNU Lesser General Public
18 *  License along with this program; if not, write to the Free Software
19 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
20 *  02111-1307  USA
21 */
22
23#ifdef LIBCACA
24#include "config.h"
25#if !defined(__KERNEL__)
26#   include <stdio.h>
27#   include <stdlib.h>
28#   include <string.h>
29#endif
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 caca_canvas_t *cv;
41static caca_display_t *dp;
42static int XSIZ, YSIZ;
43static caca_dither_t *caca_dither;
44static char *bitmap;
45static int paused = 0;
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  uint32_t r[256], g[256], b[256], a[256];
98#endif
99
100#ifdef LIBCACA
101  cv = caca_create_canvas(80, 32);
102  if (!cv)
103    {
104      printf ("Failed to initialize libcaca\n");
105      exit (1);
106    }
107  dp = caca_create_display(cv);
108  if (!dp)
109    {
110      printf ("Failed to initialize libcaca\n");
111      exit (1);
112    }
113  caca_set_display_time(dp, 10000);
114  XSIZ = caca_get_canvas_width(cv) * 2;
115  YSIZ = caca_get_canvas_height(cv) * 2 - 4;
116#else
117  context = aa_autoinit (&aa_defparams);
118  if (context == NULL)
119    {
120      printf ("Failed to initialize aalib\n");
121      exit (1);
122    }
123  aa_autoinitkbd (context, 0);
124  params = aa_getrenderparams ();
125#endif
126
127  for (i = 0; i < 256; i++)
128#ifdef LIBCACA
129  {
130    r[i] = pal[i * 3] * 64;
131    g[i] = pal[i * 3 + 1] * 64;
132    b[i] = pal[i * 3 + 2] * 64;
133    a[i] = 0xfff;
134  }
135#else
136    aa_setpalette (palette, i, pal[i * 3] * 4,
137                   pal[i * 3 + 1] * 4, pal[i * 3 + 2] * 4);
138#endif
139
140#ifdef LIBCACA
141  caca_dither = caca_create_dither(8, XSIZ, YSIZ - 2, XSIZ, 0, 0, 0, 0);
142  caca_set_dither_palette(caca_dither, r, g, b, a);
143  bitmap = malloc(4 * caca_get_canvas_width(cv)
144                    * caca_get_canvas_height(cv));
145  memset(bitmap, 0, 4 * caca_get_canvas_width(cv)
146                      * caca_get_canvas_height(cv));
147#else
148  aa_hidecursor (context);
149#endif
150}
151static void
152uninitialize (void)
153{
154#ifdef LIBCACA
155  caca_free_display(dp);
156  caca_free_canvas(cv);
157#else
158  aa_close (context);
159#endif
160  exit (0);
161}
162static void
163gentable (void)
164{
165  unsigned int i, p2;
166  unsigned int minus = 800 / YSIZ;
167  if (minus == 0)
168    minus = 1;
169  for (i = 0; i < MAXTABLE; i++)
170    {
171      if (i > minus)
172        {
173          p2 = (i - minus) / 5;
174          table[i] = p2;
175        }
176      else
177        table[i] = 0;
178    }
179}
180
181#define MA 5
182static void
183firemain (void)
184{
185  register unsigned int i;
186  unsigned char *p;
187#ifndef LIBCACA
188  char *bitmap = aa_image (context);
189#endif
190  i = 0;
191#define END (bitmap + XSIZ * YSIZ)
192  for (p = (unsigned char*)bitmap;
193       (char*)p <= (( char *) (END));
194       p += 1)
195    {
196      *p = table[(*(p + XSIZ - 1) + *(p + XSIZ + 1) + *(p + XSIZ)) +
197                 (*(p + 2 * XSIZ - 1) + *(p + 2 * XSIZ + 1))];
198    }
199}
200
201#define min(x,y) ((x)<(y)?(x):(y))
202static void
203drawfire (void)
204{
205  unsigned int i, last1, i1, i2;
206  static int loop = 0, sloop = 0;
207  static unsigned int height = 0;
208  register unsigned char *p;
209#ifndef LIBCACA
210  char *bitmap = aa_image (context);
211#else
212  if(paused)
213    goto _paused;
214#endif
215
216  height++;
217  loop--;
218  if (loop < 0)
219    loop = rand () % 3, sloop++;;
220  i1 = 1;
221  i2 = 4 * XSIZ + 1;
222  for (p = (unsigned char *) bitmap + XSIZ * (YSIZ + 0);
223       p < ((unsigned char *) bitmap + XSIZ * (YSIZ + 1));
224       p++, i1 += 4, i2 -= 4)
225    {
226      last1 = rand () % min (i1, min (i2, height));
227      i = rand () % 6;
228      for (; p < (unsigned char *) bitmap + XSIZ * (YSIZ + 1) && i != 0;
229           p++, i--, i1 += 4, i2 -= 4)
230        *p = last1, last1 += rand () % 6 - 2, *(p + XSIZ) = last1, last1 +=
231          rand () % 6 - 2;
232      *(p + 2 * XSIZ) = last1, last1 += rand () % 6 - 2;
233    }
234  i = 0;
235  firemain ();
236#ifdef LIBCACA
237_paused:
238  caca_dither_bitmap(cv, 0, 0, caca_get_canvas_width(cv),
239                      caca_get_canvas_height(cv), caca_dither, bitmap);
240  caca_set_color_ansi(cv, CACA_WHITE, CACA_BLUE);
241  if (sloop < 100)
242    caca_put_str(cv, caca_get_canvas_width(cv) - 30,
243                  caca_get_canvas_height(cv) - 2,
244                  " -=[ Powered by libcaca ]=- ");
245
246  caca_refresh_display(dp);
247  /*XSIZ = caca_get_width() * 2;
248  YSIZ = caca_get_height() * 2 - 4;*/
249#else
250  aa_renderpalette (context, palette, params, 0, 0, aa_scrwidth (context),
251                    aa_scrheight (context));
252  aa_flush (context);
253#endif
254}
255static void
256game (void)
257{
258#ifndef LIBCACA
259  int event;
260#endif
261  gentable ();
262#ifdef LIBCACA
263  for(;;)
264#else
265  while (!(event = aa_getevent (context, 0)) || event == AA_RESIZE)
266#endif
267    {
268#ifdef LIBCACA
269      caca_event_t ev;
270      if(caca_get_event(dp, CACA_EVENT_KEY_PRESS|CACA_EVENT_QUIT, &ev, 0))
271        {
272          if (caca_get_event_type(&ev) & CACA_EVENT_QUIT)
273            return;
274          switch(caca_get_event_key_ch(&ev))
275            {
276                case CACA_KEY_CTRL_C:
277                case CACA_KEY_CTRL_Z:
278                case CACA_KEY_ESCAPE: return;
279                case ' ': paused = !paused;
280            }
281        }
282#endif
283      drawfire ();
284    }
285}
286int
287main (int argc, char **argv)
288{
289#ifndef LIBCACA
290  if (!aa_parseoptions (NULL, NULL, &argc, argv) || argc != 1)
291    {
292      printf ("%s", aa_help);
293      exit (1);
294    }
295#endif
296  initialize ();
297#ifndef LIBCACA
298  aa_resizehandler (context, (void *) aa_resize);
299#endif
300  game ();
301  uninitialize ();
302  return 1;
303}
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