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annotate examples/example-animation/main.c @ 263:cd5bdb995052

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cmake: create a new libmlk-data library
author David Demelier <markand@malikania.fr>
date Tue, 08 Dec 2020 17:00:03 +0100
parents 76afe639fd72
children 196264679079
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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 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/animation.h>
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20 #include <core/core.h>
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21 #include <core/event.h>
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22 #include <core/game.h>
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23 #include <core/image.h>
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24 #include <core/sys.h>
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25 #include <core/window.h>
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26 #include <core/painter.h>
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27 #include <core/panic.h>
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28 #include <core/sprite.h>
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29 #include <core/state.h>
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30 #include <core/texture.h>
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31 #include <core/util.h>
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32
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33 #include <ui/label.h>
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34 #include <ui/ui.h>
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35
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36 #define W 1280
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37 #define H 720
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38 #define PATH(r) util_pathf("%s/mlk-adventure/%s", sys_dir(SYS_DIR_DATA), r)
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39
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40 static struct label label = {
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41 .text = "Keys: <Space> start or reset the animation.",
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42 .x = 10,
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43 .y = 10,
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44 .flags = LABEL_FLAGS_SHADOW
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45 };
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46
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47 static struct texture numbers;
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48 static struct animation animation;
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49 static struct sprite sprite;
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50 static bool completed = true;
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51
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52 static void
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53 init(void)
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54 {
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55 if (!core_init("fr.malikania", "animation") || !ui_init())
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56 panic();
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57 if (!window_open("Example - Animation", W, H))
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58 panic();
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59 if (!image_open(&numbers, PATH("sprites/numbers.png")))
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60 panic();
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61 }
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62
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63 static void
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64 handle(struct state *st, const union event *ev)
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65 {
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66 (void)st;
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67
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68 switch (ev->type) {
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69 case EVENT_KEYDOWN:
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70 switch (ev->key.key) {
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71 case KEY_SPACE:
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72 animation_start(&animation);
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73 completed = animation_completed(&animation);
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74 break;
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75 default:
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76 break;
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77 }
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78 break;
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79 case EVENT_QUIT:
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80 game_quit();
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81 break;
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82 default:
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83 break;
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84 }
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85 }
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86
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87 static void
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88 update(struct state *st, unsigned int ticks)
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89 {
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90 (void)st;
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91
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92 if (!completed)
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93 completed = animation_update(&animation, ticks);
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94 }
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95
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96 static void
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97 draw(struct state *st)
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98 {
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99 (void)st;
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100
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101 painter_set_color(0x4f8fbaff);
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102 painter_clear();
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103 label_draw(&label);
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104
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105 if (!completed)
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106 animation_draw(&animation, (window.w - sprite.cellw) / 2, (window.h - sprite.cellh) / 2);
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107
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108 painter_present();
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109 }
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110
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111 static void
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112 run(void)
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113 {
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114 struct state state = {
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115 .handle = handle,
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116 .update = update,
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117 .draw = draw
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118 };
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119
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120 sprite_init(&sprite, &numbers, 48, 48);
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121 animation_init(&animation, &sprite, 1000);
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122
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123 game_switch(&state, true);
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124 game_loop();
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125 }
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126
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127 static void
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128 quit(void)
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129 {
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130 window_finish();
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131 ui_finish();
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132 core_finish();
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133 }
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134
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135 int
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136 main(int argc, char **argv)
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137 {
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138 (void)argc;
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139 (void)argv;
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140
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141 init();
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142 run();
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143 quit();
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144 }
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145