Mercurial > molko
annotate mlk-tileset/mlk-tileset.c @ 646:7e1eb7f6c049 default tip @
misc: remove .clang
author | David Demelier <markand@malikania.fr> |
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date | Sun, 04 Feb 2024 15:24:37 +0100 |
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1 /* |
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2 * mlk-tileset.c -- convert tiled tilesets JSON files into custom files |
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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 <stdio.h> |
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21 #include <string.h> |
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22 |
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23 #include <jansson.h> |
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24 |
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25 #include <mlk/util/util.h> |
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26 |
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27 static void |
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28 write_dimensions(const json_t *document) |
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29 { |
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30 const json_t *tilewidth, *tileheight; |
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31 |
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32 tilewidth = json_object_get(document, "tilewidth"); |
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33 tileheight = json_object_get(document, "tileheight"); |
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34 |
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35 if (!json_is_integer(tilewidth)) |
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36 mlk_util_die("invalid 'tilewidth' property\n"); |
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37 if (!json_is_integer(tileheight)) |
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38 mlk_util_die("invalid 'tileheight' property\n"); |
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39 |
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40 printf("tilewidth|%u\n", (unsigned int)json_integer_value(tilewidth)); |
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41 printf("tileheight|%u\n", (unsigned int)json_integer_value(tileheight)); |
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42 } |
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43 |
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44 static void |
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45 write_image(const json_t *document) |
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46 { |
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47 const json_t *image; |
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48 |
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49 image = json_object_get(document, "image"); |
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50 |
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51 if (!json_is_string(image)) |
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52 mlk_util_die("invalid 'image' property\n"); |
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53 |
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54 printf("image|%s\n", json_string_value(image)); |
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55 } |
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56 |
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57 static const json_t * |
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58 find_property_value(const json_t *array, const char *prop) |
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59 { |
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60 const json_t *obj, *name; |
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61 size_t i; |
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62 |
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63 json_array_foreach(array, i, obj) { |
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64 name = json_object_get(obj, "name"); |
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65 |
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66 if (!name || !json_is_string(name)) |
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67 mlk_util_die("invalid property object\n"); |
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68 |
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69 if (strcmp(json_string_value(name), prop) == 0) |
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70 return json_object_get(obj, "value"); |
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71 } |
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72 |
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73 return NULL; |
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74 } |
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75 |
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76 static void |
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77 write_animation(const json_t *tile) |
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78 { |
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79 const json_t *id, *properties, *file, *delay; |
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80 |
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81 id = json_object_get(tile, "id"); |
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82 properties = json_object_get(tile, "properties"); |
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83 file = find_property_value(properties, "animation-file"); |
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84 delay = find_property_value(properties, "animation-delay"); |
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85 |
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86 /* Animations are completely optional. */ |
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87 if (!json_is_array(properties)) |
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88 return; |
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89 |
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90 if (!json_is_integer(id)) |
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91 mlk_util_die("invalid 'id' property in tile\n"); |
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92 |
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93 if (json_is_string(file)) { |
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94 printf("%d|%s|", (int)json_integer_value(id), json_string_value(file)); |
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95 |
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96 if (json_is_integer(delay)) |
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97 printf("%d\n", (int)json_integer_value(delay)); |
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98 else |
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99 printf("10\n"); |
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100 } |
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101 } |
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102 |
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103 static void |
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104 write_collision(const json_t *tile) |
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105 { |
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106 const json_t *id, *objectgroup, *objects, *first, *x, *y, *w, *h; |
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107 |
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108 id = json_object_get(tile, "id"); |
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109 objectgroup = json_object_get(tile, "objectgroup"); |
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110 objects = json_object_get(objectgroup, "objects"); |
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111 first = json_array_get(objects, 0); |
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112 |
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113 /* Collisions are optional. */ |
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114 if (!json_is_object(objectgroup)) |
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115 return; |
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116 |
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117 if (!json_is_integer(id)) |
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118 mlk_util_die("invalid 'id' property in tile\n"); |
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119 if (!json_is_array(objects)) |
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120 mlk_util_die("invalid 'objects' property in tile\n"); |
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121 |
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122 x = json_object_get(first, "x"); |
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123 y = json_object_get(first, "y"); |
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124 w = json_object_get(first, "width"); |
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125 h = json_object_get(first, "height"); |
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126 |
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127 if (!json_is_integer(x) || !json_is_integer(y) || |
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128 !json_is_integer(w) || !json_is_integer(h)) |
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129 mlk_util_die("invalid collide object in tile description\n"); |
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130 |
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131 printf("%d|%d|%d|%d|%d\n", |
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132 (int)json_integer_value(id), |
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133 (int)json_integer_value(x), |
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134 (int)json_integer_value(y), |
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135 (int)json_integer_value(w), |
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136 (int)json_integer_value(h)); |
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137 } |
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138 |
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139 static void |
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140 write_collisions(const json_t *tiles) |
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141 { |
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142 size_t index; |
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143 json_t *object; |
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144 |
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145 if (!json_is_array(tiles)) |
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146 return; |
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147 |
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148 printf("collisions\n"); |
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149 |
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150 json_array_foreach(tiles, index, object) { |
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151 if (!json_is_object(object)) |
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152 mlk_util_die("tile is not an object\n"); |
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153 |
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154 write_collision(object); |
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155 } |
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156 } |
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157 |
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158 static void |
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159 write_animations(const json_t *tiles) |
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160 { |
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161 size_t index; |
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162 json_t *object; |
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163 |
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164 if (!json_is_array(tiles)) |
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165 return; |
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166 |
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167 printf("animations\n"); |
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168 |
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169 json_array_foreach(tiles, index, object) { |
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170 if (!json_is_object(object)) |
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171 mlk_util_die("tile is not an object\n"); |
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172 |
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173 write_animation(object); |
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174 } |
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175 } |
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176 |
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177 int |
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178 main(void) |
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179 { |
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180 json_t *document; |
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181 json_error_t error; |
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182 |
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183 document = json_loadf(stdin, 0, &error); |
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184 |
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185 if (!document) |
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186 mlk_util_die("%d:%d: %s\n", error.line, error.column, error.text); |
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187 if (!json_is_object(document)) |
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188 mlk_util_die("root value isn't an object\n"); |
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189 |
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190 write_dimensions(document); |
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191 write_image(document); |
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192 write_collisions(json_object_get(document, "tiles")); |
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193 write_animations(json_object_get(document, "tiles")); |
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194 |
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195 json_decref(document); |
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196 } |