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comparison examples/example-trace/example-trace.c @ 415:a5b98db4fd87

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misc: fix .hgignore too greedy
author David Demelier <markand@malikania.fr>
date Sun, 09 Oct 2022 13:53:33 +0200
parents
children 773a082f0b91
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414:6947c1fefe5c 415:a5b98db4fd87
1 /*
2 * example-trace.c -- example on how to use custom trace handlers
3 *
4 * Copyright (c) 2020-2022 David Demelier <markand@malikania.fr>
5 *
6 * Permission to use, copy, modify, and/or distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 */
18
19 #include <core/core.h>
20 #include <core/event.h>
21 #include <core/game.h>
22 #include <core/sys.h>
23 #include <core/window.h>
24 #include <core/painter.h>
25 #include <core/panic.h>
26 #include <core/state.h>
27 #include <core/trace.h>
28 #include <core/util.h>
29
30 #include <ui/theme.h>
31 #include <ui/ui.h>
32
33 #include "trace_hud.h"
34
35 #define W 1280
36 #define H 720
37
38 static struct state *states[1];
39
40 static void
41 init(void)
42 {
43 if (core_init("fr.malikania", "example-trace") < 0 || ui_init() < 0)
44 panic();
45 if (window_open("Example - Trace", W, H) < 0)
46 panic();
47
48 trace_handler = trace_hud_handler;
49 }
50
51 static void
52 handle(struct state *st, const union event *ev)
53 {
54 (void)st;
55
56 switch (ev->type) {
57 case EVENT_KEYDOWN:
58 switch (ev->key.key) {
59 case KEY_ESCAPE:
60 trace_hud_clear();
61 break;
62 default:
63 tracef("keydown pressed: %d", ev->key.key);
64 break;
65 }
66 break;
67 case EVENT_CLICKDOWN:
68 tracef("click at %d,%d", ev->click.x, ev->click.y);
69 break;
70 case EVENT_QUIT:
71 game_quit();
72 break;
73 default:
74 break;
75 }
76 }
77
78 static void
79 update(struct state *st, unsigned int ticks)
80 {
81 (void)st;
82
83 trace_hud_update(ticks);
84 }
85
86 static void
87 draw(struct state *st)
88 {
89 (void)st;
90
91 painter_set_color(0x4f8fbaff);
92 painter_clear();
93 trace_hud_draw();
94 painter_present();
95 }
96
97 static void
98 run(void)
99 {
100 struct state state = {
101 .handle = handle,
102 .update = update,
103 .draw = draw
104 };
105
106 game_init(states, UTIL_SIZE(states));
107 game_push(&state);
108 game_loop();
109 }
110
111 static void
112 quit(void)
113 {
114 window_finish();
115 ui_finish();
116 core_finish();
117 }
118
119 int
120 main(int argc, char **argv)
121 {
122 (void)argc;
123 (void)argv;
124
125 init();
126 run();
127 quit();
128 }
129