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annotate examples/example-sprite/example-sprite.c @ 646:7e1eb7f6c049 default tip @

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misc: remove .clang
author David Demelier <markand@malikania.fr>
date Sun, 04 Feb 2024 15:24:37 +0100
parents c7664b679a95
children
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1 /*
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2 * example-sprite.c -- example on how to use sprites
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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 <stdio.h>
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20
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21 #include <mlk/core/core.h>
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22 #include <mlk/core/err.h>
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23 #include <mlk/core/event.h>
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24 #include <mlk/core/game.h>
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25 #include <mlk/core/image.h>
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26 #include <mlk/core/key.h>
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27 #include <mlk/core/painter.h>
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28 #include <mlk/core/panic.h>
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29 #include <mlk/core/image.h>
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30 #include <mlk/core/sprite.h>
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31 #include <mlk/core/state.h>
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32 #include <mlk/core/sys.h>
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33 #include <mlk/core/texture.h>
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34 #include <mlk/core/util.h>
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35 #include <mlk/core/window.h>
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36
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37 #include <mlk/ui/align.h>
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38 #include <mlk/ui/label.h>
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39 #include <mlk/ui/ui.h>
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40
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41 #include <mlk/example/example.h>
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42 #include <mlk/example/registry.h>
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43
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44 #define HEADER "Keys: <Left>/<Right> and <Up/Down> to select a column/row. Current: %u, %u (total %u/%u)"
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45
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46 static char msg[512];
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47 static struct mlk_sprite *sprite;
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48 static unsigned int row, column;
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49
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50 static struct mlk_label help = {
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51 .x = 10,
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52 .y = 10,
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53 .text = msg
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54 };
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55
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56 static void
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57 changed(void)
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58 {
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59 snprintf(msg, sizeof (msg), HEADER, column, row, sprite->ncols, sprite->nrows);
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60 }
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61
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62 static void
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63 init(void)
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64 {
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65 if (mlk_example_init("example-sprite") < 0)
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66 mlk_panic();
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67
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68 sprite = &mlk_registry_sprites[MLK_REGISTRY_TEXTURE_PEOPLE];
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69 }
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70
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71 static void
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72 handle(struct mlk_state *st, const union mlk_event *ev)
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73 {
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74 (void)st;
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75
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76 switch (ev->type) {
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77 case MLK_EVENT_KEYDOWN:
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78 switch (ev->key.key) {
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79 case MLK_KEY_LEFT:
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80 if (column > 0)
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81 column--;
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82 break;
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83 case MLK_KEY_RIGHT:
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84 if (column + 1 < sprite->ncols)
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85 column++;
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86 break;
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87 case MLK_KEY_UP:
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88 if (row > 0)
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89 row--;
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90 break;
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91 case MLK_KEY_DOWN:
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92 if (row + 1 < sprite->nrows)
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93 row++;
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94 break;
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95 default:
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96 break;
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97 }
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98
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99 changed();
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100 break;
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101 case MLK_EVENT_QUIT:
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102 mlk_game_quit();
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103 break;
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104 default:
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105 break;
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106 }
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107 }
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108
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109 static void
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110 draw(struct mlk_state *st)
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111 {
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112 (void)st;
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113
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114 int x, y;
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115
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116 mlk_painter_set_color(MLK_EXAMPLE_BG);
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117 mlk_painter_clear();
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118 mlk_align(MLK_ALIGN_CENTER, &x, &y, sprite->cellw, sprite->cellh, 0, 0, mlk_window.w, mlk_window.h);
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119 mlk_sprite_draw(sprite, row, column, x, y);
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120 mlk_label_draw(&help);
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121 mlk_painter_present();
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122 }
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123
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124 static void
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125 run(void)
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126 {
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127 struct mlk_state state = {
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128 .handle = handle,
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129 .draw = draw
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130 };
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131
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132 changed();
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133
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134 mlk_game_init();
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135 mlk_game_push(&state);
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136 mlk_game_loop();
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137 }
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138
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139 static void
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140 quit(void)
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141 {
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142 mlk_example_finish();
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143 }
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144
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145 int
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146 main(int argc, char **argv)
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147 {
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148 (void)argc;
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149 (void)argv;
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150
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151 init();
a5b98db4fd87 misc: fix .hgignore too greedy
David Demelier <markand@malikania.fr>
parents:
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152 run();
a5b98db4fd87 misc: fix .hgignore too greedy
David Demelier <markand@malikania.fr>
parents:
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153 quit();
a5b98db4fd87 misc: fix .hgignore too greedy
David Demelier <markand@malikania.fr>
parents:
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154 }