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annotate examples/example-trace/example-trace.c @ 444:9f062143e675

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misc: fix for DragonFlyBSD
author David Demelier <markand@malikania.fr>
date Tue, 31 Jan 2023 10:22:35 +0100
parents a5b98db4fd87
children 773a082f0b91
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1 /*
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2 * example-trace.c -- example on how to use custom trace handlers
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3 *
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4 * Copyright (c) 2020-2022 David Demelier <markand@malikania.fr>
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5 *
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6 * Permission to use, copy, modify, and/or distribute this software for any
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7 * purpose with or without fee is hereby granted, provided that the above
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8 * copyright notice and this permission notice appear in all copies.
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9 *
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10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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17 */
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18
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19 #include <core/core.h>
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20 #include <core/event.h>
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21 #include <core/game.h>
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22 #include <core/sys.h>
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23 #include <core/window.h>
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24 #include <core/painter.h>
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25 #include <core/panic.h>
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26 #include <core/state.h>
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27 #include <core/trace.h>
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28 #include <core/util.h>
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29
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30 #include <ui/theme.h>
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31 #include <ui/ui.h>
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32
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33 #include "trace_hud.h"
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34
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35 #define W 1280
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36 #define H 720
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37
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38 static struct state *states[1];
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39
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40 static void
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41 init(void)
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42 {
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43 if (core_init("fr.malikania", "example-trace") < 0 || ui_init() < 0)
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44 panic();
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45 if (window_open("Example - Trace", W, H) < 0)
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46 panic();
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47
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48 trace_handler = trace_hud_handler;
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49 }
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50
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51 static void
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52 handle(struct state *st, const union event *ev)
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53 {
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54 (void)st;
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55
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56 switch (ev->type) {
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57 case EVENT_KEYDOWN:
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58 switch (ev->key.key) {
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59 case KEY_ESCAPE:
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60 trace_hud_clear();
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61 break;
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62 default:
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63 tracef("keydown pressed: %d", ev->key.key);
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64 break;
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65 }
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66 break;
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67 case EVENT_CLICKDOWN:
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68 tracef("click at %d,%d", ev->click.x, ev->click.y);
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69 break;
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70 case EVENT_QUIT:
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71 game_quit();
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72 break;
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73 default:
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74 break;
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75 }
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76 }
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77
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78 static void
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79 update(struct state *st, unsigned int ticks)
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80 {
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81 (void)st;
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82
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83 trace_hud_update(ticks);
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84 }
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85
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86 static void
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87 draw(struct state *st)
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88 {
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89 (void)st;
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90
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91 painter_set_color(0x4f8fbaff);
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92 painter_clear();
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93 trace_hud_draw();
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94 painter_present();
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95 }
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96
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97 static void
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98 run(void)
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99 {
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100 struct state state = {
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101 .handle = handle,
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102 .update = update,
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103 .draw = draw
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104 };
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105
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106 game_init(states, UTIL_SIZE(states));
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107 game_push(&state);
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108 game_loop();
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109 }
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110
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111 static void
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112 quit(void)
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113 {
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114 window_finish();
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115 ui_finish();
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116 core_finish();
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117 }
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118
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119 int
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120 main(int argc, char **argv)
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121 {
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122 (void)argc;
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123 (void)argv;
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124
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125 init();
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126 run();
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127 quit();
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128 }
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129