Mercurial > molko
annotate examples/example-animation/example-animation.c @ 445:773a082f0b91
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author | David Demelier <markand@malikania.fr> |
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date | Wed, 01 Feb 2023 13:08:54 +0100 |
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children | 541cb950997b |
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1 /* |
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2 * example-animation.c -- example on how to use animations |
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3 * |
445
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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 animation animation; |
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51 static struct 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 (core_init("fr.malikania", "example-animation") < 0 || ui_init() < 0) |
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58 panic(); |
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59 if (window_open("Example - Animation", W, H) < 0) |
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60 panic(); |
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61 if (image_openmem(&numbers, assets_numbers, sizeof (assets_numbers)) < 0) |
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62 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 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 EVENT_KEYDOWN: |
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72 switch (ev->key.key) { |
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73 case KEY_SPACE: |
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74 animation_start(&animation); |
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75 completed = 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 EVENT_QUIT: |
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82 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 = 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 painter_set_color(0x4f8fbaff); |
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104 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 animation_draw(&animation, (window.w - sprite.cellw) / 2, (window.h - sprite.cellh) / 2); |
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109 |
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110 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 sprite_init(&sprite, &numbers, 48, 48); |
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123 animation_init(&animation, &sprite, 1000); |
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124 |
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125 game_init(states, UTIL_SIZE(states)); |
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126 game_push(&state); |
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127 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 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 |