source: neercs/trunk/src/screensaver.c @ 3975

Last change on this file since 3975 was 3975, checked in by Jean-Yves Lamoureux, 11 years ago
  • Reindented screensaver's sprites
  • Property svn:keywords set to Id
File size: 4.7 KB
Line 
1/*
2 *  neercs        console-based window manager
3 *  Copyright (c) 2006 Sam Hocevar <sam@zoy.org>
4 *                2008 Jean-Yves Lamoureux <jylam@lnxscene.org>
5 *                All Rights Reserved
6 *
7 *  $Id: screensaver.c 3975 2009-11-20 12:38:30Z jylam $
8 *
9 *  This program is free software. It comes without any warranty, to
10 *  the extent permitted by applicable law. You can redistribute it
11 *  and/or modify it under the terms of the Do What The Fuck You Want
12 *  To Public License, Version 2, as published by Sam Hocevar. See
13 *  http://sam.zoy.org/wtfpl/COPYING for more details.
14 */
15
16#include "config.h"
17
18#include <stdio.h>
19#include <string.h>
20#include <stdlib.h>
21#include <sys/types.h>
22#include <signal.h>
23#include <sys/wait.h>
24#include <errno.h>
25#include <unistd.h>
26
27#include <caca.h>
28#include <caca.h>
29
30#include "neercs.h"
31
32
33void screensaver_init(struct screen_list *screen_list)
34{
35
36    screensaver_flying_toasters_init(screen_list);
37}
38
39void screensaver_kill(struct screen_list *screen_list)
40{
41
42    screensaver_flying_toasters_kill(screen_list);
43}
44
45void draw_screensaver(struct screen_list *screen_list)
46{
47    screensaver_flying_toasters(screen_list);
48}
49
50
51
52
53/* Flying Toasters */
54
55#define COUNT 15
56#define PRECISION 100
57
58char toaster_text[3][99] = { {
59 "      __._ \n"
60 "   .-'== _',\n"
61 "  <|_= .-'  |\n"
62 "   | --|   \\'.-_ \n"
63 "   |   | \\  \" _.\n"
64 "    `-_|.-\\_.-\n"},
65{
66 "      __._ \n"
67 "   .-'== _',\n"
68 "  \\|_= .-'  |\n"
69 "   | --|  __'-.\n"
70 "   |   | ___.-\n"
71 "    `-_|.-\n"},
72{
73 "   _- __._\n"
74 "  /.-'== _',_.-.\n"
75 "  \\|_= .-'/  _.'\n"
76 "   | --| / .-\n"
77 "   |   |  _.|\n"
78 "    `-_|.-\n"}
79};
80
81char toaster_mask[3][99] = { {
82                             
83 "      __._ \n"
84 "   .-'== _',\n"
85 "  <|_=X.-'XX|\n"
86 "   |X--|XXX\\'.-_ \n"
87 "   |XXX|X\\XX\"X_.\n"
88 "    `-_|.-\\_.-\n"},
89    {
90
91 "      __._ \n"
92 "   .-'== _',\n"
93 "  \\|_= .-'XX|\n"
94 "   |X--|XX__'-.\n"
95 "   |XXX|X___.-\n"
96 "    `-_|.-\n"},
97{
98 "   _- __._\n"
99 "  /.-'== _',_.-.\n"
100 "  \\|_= .-'/XX_.'\n"
101 "   |X--|X/X.-\n"
102 "   |XXX|XX_.|\n"
103 "    `-_|.-\n"}
104};
105
106struct flying_toaster
107{
108    int x[COUNT], y[COUNT], s[COUNT];
109    caca_canvas_t **toaster;
110    caca_canvas_t **mask;
111};
112
113void screensaver_flying_toasters_init(struct screen_list *screen_list)
114{
115    struct flying_toaster *flying_toaster;
116    int w = caca_get_canvas_width(screen_list->cv);
117    int h = caca_get_canvas_height(screen_list->cv);
118    int i;
119
120    flying_toaster = malloc(sizeof(struct flying_toaster));
121    flying_toaster->toaster =
122        (caca_canvas_t **) malloc(sizeof(caca_canvas_t *) * 3);
123    flying_toaster->mask =
124        (caca_canvas_t **) malloc(sizeof(caca_canvas_t *) * 3);
125
126    for (i = 0; i < 3; i++)
127    {
128        flying_toaster->toaster[i] = caca_create_canvas(0, 0);
129        flying_toaster->mask[i] = caca_create_canvas(0, 0);
130        caca_import_canvas_from_memory(flying_toaster->toaster[i],
131                                       toaster_text[i],
132                                       strlen(toaster_text[i]), "utf8");
133        caca_import_canvas_from_memory(flying_toaster->mask[i],
134                                       toaster_mask[i],
135                                       strlen(toaster_mask[i]), "utf8");
136    }
137
138    for (i = 0; i < COUNT; i++)
139    {
140        flying_toaster->x[i] = (rand() % w) * PRECISION;
141        flying_toaster->y[i] = (rand() % h) * PRECISION;
142        flying_toaster->s[i] = (rand() % 3) * PRECISION;
143    }
144
145
146    screen_list->screensaver_data = flying_toaster;
147}
148
149void screensaver_flying_toasters_kill(struct screen_list *screen_list)
150{
151    struct flying_toaster *flying_toaster = screen_list->screensaver_data;
152
153    caca_free_canvas(flying_toaster->toaster[0]);
154    caca_free_canvas(flying_toaster->toaster[1]);
155    caca_free_canvas(flying_toaster->toaster[2]);
156    free(flying_toaster->toaster);
157    free(flying_toaster);
158    screen_list->screensaver_data = NULL;
159}
160
161void screensaver_flying_toasters(struct screen_list *screen_list)
162{
163    struct flying_toaster *d = screen_list->screensaver_data;
164    int i, w, h, x, y, s;
165    if (!d)
166        return;
167
168    w = caca_get_canvas_width(screen_list->cv);
169    h = caca_get_canvas_height(screen_list->cv);
170
171    caca_set_color_ansi(screen_list->cv, CACA_WHITE, CACA_BLACK);
172    caca_clear_canvas(screen_list->cv);
173
174    for (i = 0; i < COUNT; i++)
175    {
176        x = d->x[i] / PRECISION;
177        y = d->y[i] / PRECISION;
178        s = d->s[i] / PRECISION;
179
180        caca_blit(screen_list->cv, x, y, d->toaster[s], d->mask[s]);
181
182        d->x[i] -= 40;
183        d->y[i] += 10;
184
185        if (d->x[i] / PRECISION + caca_get_canvas_width(d->toaster[s]) <= 0)
186            d->x[i] = ((rand() % w) / 3 + w) * PRECISION;
187        if (d->y[i] / PRECISION >= h)
188            d->y[i] = ((rand() % h) / 2 - h) * PRECISION;
189
190        d->s[i] = ((d->s[i] + 24) % (3 * PRECISION));
191    }
192}
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