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annotate examples/example-trace/main.c @ 366:19782ea1cf4a

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misc: start rebranding
author David Demelier <markand@malikania.fr>
date Sun, 24 Oct 2021 15:57:42 +0200
parents 570ab19bf268
children 460c78706989
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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) 2020-2021 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 void
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39 init(void)
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40 {
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41 if (core_init("fr.malikania", "example-trace") < 0 || ui_init() < 0)
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42 panic();
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43 if (window_open("Example - Trace", W, H) < 0)
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44 panic();
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45
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46 trace_handler = trace_hud_handler;
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47 }
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48
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49 static void
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50 handle(struct state *st, const union event *ev)
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51 {
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52 (void)st;
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53
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54 switch (ev->type) {
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55 case EVENT_KEYDOWN:
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56 switch (ev->key.key) {
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57 case KEY_ESCAPE:
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58 trace_hud_clear();
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59 break;
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60 default:
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61 tracef("keydown pressed: %d", ev->key.key);
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62 break;
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63 }
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64 break;
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65 case EVENT_CLICKDOWN:
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66 tracef("click at %d,%d", ev->click.x, ev->click.y);
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67 break;
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68 case EVENT_QUIT:
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69 game_quit();
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70 break;
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71 default:
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72 break;
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73 }
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74 }
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75
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76 static void
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77 update(struct state *st, unsigned int ticks)
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78 {
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79 (void)st;
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80
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81 trace_hud_update(ticks);
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82 }
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83
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84 static void
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85 draw(struct state *st)
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86 {
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87 (void)st;
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88
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89 painter_set_color(0x4f8fbaff);
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90 painter_clear();
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91 trace_hud_draw();
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92 painter_present();
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93 }
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94
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95 static void
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96 run(void)
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97 {
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98 struct state state = {
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99 .handle = handle,
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100 .update = update,
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101 .draw = draw
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102 };
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103
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104 game_push(&state);
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105 game_loop();
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106 }
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107
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108 static void
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109 quit(void)
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110 {
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111 window_finish();
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112 ui_finish();
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113 core_finish();
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114 }
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115
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116 int
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117 main(int argc, char **argv)
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118 {
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119 (void)argc;
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120 (void)argv;
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121
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122 init();
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123 run();
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124 quit();
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125 }
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126