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annotate libmlk-rpg/mlk/rpg/tileset-loader-file.c @ 631:bb67f935a93f

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rpg: rework a little tileset/map loaders
author David Demelier <markand@malikania.fr>
date Sun, 27 Aug 2023 11:28:35 +0200
parents fee7bd30725c
children
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1 /*
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2 * tileset-loader-file.c -- tileset file loader implementation
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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 <assert.h>
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20 #include <string.h>
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21
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22 #include <mlk/core/alloc.h>
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23 #include <mlk/core/animation.h>
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24 #include <mlk/core/image.h>
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25 #include <mlk/core/sprite.h>
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26 #include <mlk/core/texture.h>
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27 #include <mlk/core/util.h>
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28
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29 #include "loader-file_p.h"
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30 #include "tileset-loader-file.h"
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31 #include "tileset-loader.h"
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32 #include "tileset.h"
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33
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34 #define THIS(loader) \
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35 MLK_CONTAINER_OF(loader, struct mlk_tileset_loader_file, iface)
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36
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37 static void
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38 trash(struct mlk_tileset_loader_file *file)
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39 {
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40 mlk__loader_file_clear(file->lf);
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41
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42 mlk_alloc_free(file->tilecollisions);
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43 mlk_alloc_free(file->tileanimations);
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44
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45 file->tilecollisions = NULL;
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46 file->tileanimations = NULL;
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47 }
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48
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49 static void *
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50 expand(void **array, size_t n, size_t w)
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51 {
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52 void *ptr;
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53
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54 if (!*array)
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55 ptr = mlk_alloc_new0(n, w);
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56 else
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57 ptr = mlk_alloc_expand(*array, n);
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58
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59 if (ptr)
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60 *array = ptr;
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61
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62 return ptr;
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63 }
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64
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65 static struct mlk_texture *
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66 new_texture(struct mlk_tileset_loader *self, struct mlk_tileset *tileset, const char *ident)
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67 {
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68 (void)tileset;
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69
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70 struct mlk_tileset_loader_file *file = THIS(self);
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71
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72 return mlk__loader_file_texture_open(file->lf, ident);
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73 }
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74
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75 static struct mlk_sprite *
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76 new_sprite(struct mlk_tileset_loader *self, struct mlk_tileset *tileset)
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77 {
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78 (void)tileset;
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79
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80 struct mlk_tileset_loader_file *file = THIS(self);
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81
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82 return mlk__loader_file_sprite_new(file->lf);
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83 }
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84
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85 static struct mlk_animation *
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86 new_animation(struct mlk_tileset_loader *self, struct mlk_tileset *tileset)
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87 {
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88 (void)tileset;
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89
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90 struct mlk_tileset_loader_file *file = THIS(self);
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91
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92 return mlk__loader_file_animation_new(file->lf);
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93 }
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94
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95 struct mlk_tileset_collision *
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96 expand_collisions(struct mlk_tileset_loader *self,
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97 struct mlk_tileset *tileset,
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98 struct mlk_tileset_collision *array,
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99 size_t arraysz)
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100 {
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101 (void)tileset;
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102 (void)array;
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103
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104 struct mlk_tileset_loader_file *file = THIS(self);
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105
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106 return expand((void **)&file->tilecollisions, arraysz, sizeof (struct mlk_tileset_collision));
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107 }
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108
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109 struct mlk_tileset_animation *
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110 expand_animations(struct mlk_tileset_loader *self,
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111 struct mlk_tileset *tileset,
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112 struct mlk_tileset_animation *array,
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113 size_t arraysz)
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114 {
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115 (void)tileset;
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116 (void)array;
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117
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118 struct mlk_tileset_loader_file *file = THIS(self);
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119
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120 return expand((void **)&file->tileanimations, arraysz, sizeof (struct mlk_tileset_animation));
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121 }
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122
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123 static void
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124 clear(struct mlk_tileset_loader *self, struct mlk_tileset *tileset)
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125 {
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126 (void)tileset;
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127
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128 struct mlk_tileset_loader_file *file = THIS(self);
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129
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130 trash(file);
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131 }
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132
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133 static void
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134 finish(struct mlk_tileset_loader *self)
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135 {
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136 struct mlk_tileset_loader_file *file = THIS(self);
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137
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138 trash(file);
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139 mlk__loader_file_free(file->lf);
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140
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141 file->lf = NULL;
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142 }
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143
593
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144 int
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145 mlk_tileset_loader_file_init(struct mlk_tileset_loader_file *file, const char *filename)
552
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146 {
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147 assert(file);
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148 assert(filename);
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149
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150 memset(file, 0, sizeof (*file));
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151
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152 if (!(file->lf = mlk__loader_file_new(filename)))
593
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153 return -1;
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154
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155 file->iface.new_texture = new_texture;
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156 file->iface.new_sprite = new_sprite;
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157 file->iface.new_animation = new_animation;
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158 file->iface.expand_collisions = expand_collisions;
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159 file->iface.expand_animations = expand_animations;
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160 file->iface.clear = clear;
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161 file->iface.finish = finish;
593
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162
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163 return 0;
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164 }