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annotate examples/example-animation/example-animation.c @ 468:91ce23a36143

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core: sprite -> mlk_sprite
author David Demelier <markand@malikania.fr>
date Mon, 27 Feb 2023 11:08:28 +0100
parents 01f5580e43d1
children 0d6206cee6b9
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1 /*
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2 * example-animation.c -- example on how to use animations
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3 *
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4 * Copyright (c) 2020-2023 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 <mlk/core/animation.h>
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20 #include <mlk/core/core.h>
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21 #include <mlk/core/event.h>
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22 #include <mlk/core/game.h>
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23 #include <mlk/core/image.h>
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24 #include <mlk/core/sys.h>
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25 #include <mlk/core/window.h>
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26 #include <mlk/core/painter.h>
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27 #include <mlk/core/panic.h>
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28 #include <mlk/core/sprite.h>
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29 #include <mlk/core/state.h>
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30 #include <mlk/core/texture.h>
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31 #include <mlk/core/util.h>
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32
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33 #include <mlk/ui/label.h>
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34 #include <mlk/ui/ui.h>
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35
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36 #include <assets/sprites/numbers.h>
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37
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38 #define W 1280
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39 #define H 720
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40
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41 static struct label label = {
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42 .text = "Keys: <Space> start or reset the animation.",
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43 .x = 10,
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44 .y = 10,
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45 .flags = LABEL_FLAGS_SHADOW
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46 };
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47
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48 static struct state *states[1];
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49 static struct texture numbers;
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50 static struct mlk_animation animation;
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51 static struct mlk_sprite sprite;
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52 static int completed = 1;
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53
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54 static void
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55 init(void)
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56 {
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57 if (mlk_core_init("fr.malikania", "example-animation") < 0 || ui_init() < 0)
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58 mlk_panic();
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59 if (window_open("Example - Animation", W, H) < 0)
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60 mlk_panic();
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61 if (mlk_image_openmem(&numbers, assets_sprites_numbers, sizeof (assets_sprites_numbers)) < 0)
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62 mlk_panic();
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63 }
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64
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65 static void
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66 handle(struct state *st, const union mlk_event *ev)
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67 {
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68 (void)st;
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69
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70 switch (ev->type) {
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71 case MLK_EVENT_KEYDOWN:
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72 switch (ev->key.key) {
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73 case MLK_KEY_SPACE:
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74 mlk_animation_start(&animation);
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75 completed = mlk_animation_completed(&animation);
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76 break;
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77 default:
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78 break;
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79 }
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80 break;
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81 case MLK_EVENT_QUIT:
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82 mlk_game_quit();
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83 break;
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84 default:
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85 break;
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86 }
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87 }
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88
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89 static void
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90 update(struct state *st, unsigned int ticks)
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91 {
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92 (void)st;
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93
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94 if (!completed)
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95 completed = mlk_animation_update(&animation, ticks);
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96 }
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97
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98 static void
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99 draw(struct state *st)
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100 {
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101 (void)st;
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102
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103 mlk_painter_set_color(0x4f8fbaff);
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104 mlk_painter_clear();
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105 label_draw(&label);
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106
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107 if (!completed)
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108 mlk_animation_draw(&animation, (window.w - sprite.cellw) / 2, (window.h - sprite.cellh) / 2);
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109
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110 mlk_painter_present();
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111 }
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112
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113 static void
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114 run(void)
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115 {
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116 struct state state = {
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117 .handle = handle,
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118 .update = update,
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119 .draw = draw
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120 };
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121
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122 mlk_sprite_init(&sprite, &numbers, 48, 48);
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123 mlk_animation_init(&animation, &sprite, 1000);
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124
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125 mlk_game_init(states, UTIL_SIZE(states));
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126 mlk_game_push(&state);
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127 mlk_game_loop();
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128 }
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129
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130 static void
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131 quit(void)
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132 {
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133 window_finish();
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134 ui_finish();
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135 mlk_core_finish();
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136 }
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137
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138 int
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139 main(int argc, char **argv)
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140 {
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141 (void)argc;
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142 (void)argv;
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143
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144 init();
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145 run();
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146 quit();
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147 }
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148