Mercurial > molko
annotate mlk-tileset/mlk-tileset.c @ 551:856c2e96189d
cmake: add support for maps/tilesets
author | David Demelier <markand@malikania.fr> |
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date | Mon, 06 Mar 2023 20:44:43 +0100 |
parents | 773a082f0b91 |
children | 944798a59b8a |
rev | line source |
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1 /* |
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2 * main.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 <stdarg.h> |
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21 #include <stdio.h> |
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22 #include <string.h> |
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23 |
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24 #include <jansson.h> |
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25 |
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26 static void |
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27 die(const char *fmt, ...) |
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28 { |
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29 assert(fmt); |
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30 |
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31 va_list ap; |
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32 |
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33 va_start(ap, fmt); |
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34 vfprintf(stderr, fmt, ap); |
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35 va_end(ap); |
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36 exit(1); |
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37 } |
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38 |
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39 static void |
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40 write_dimensions(const json_t *document) |
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41 { |
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42 const json_t *tilewidth = json_object_get(document, "tilewidth"); |
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43 const json_t *tileheight = json_object_get(document, "tileheight"); |
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44 |
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45 if (!json_is_integer(tilewidth)) |
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46 die("invalid 'tilewidth' property\n"); |
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47 if (!json_is_integer(tileheight)) |
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48 die("invalid 'tileheight' property\n"); |
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49 |
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50 printf("tilewidth|%u\n", (unsigned int)json_integer_value(tilewidth)); |
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51 printf("tileheight|%u\n", (unsigned int)json_integer_value(tileheight)); |
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52 } |
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53 |
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54 static void |
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55 write_image(const json_t *document) |
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56 { |
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57 const json_t *image = json_object_get(document, "image"); |
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58 |
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59 if (!json_is_string(image)) |
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60 die("invalid 'image' property\n"); |
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61 |
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62 printf("image|%s\n", json_string_value(image)); |
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63 } |
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64 |
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65 static const json_t * |
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66 find_property_value(const json_t *array, const char *prop) |
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67 { |
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68 const json_t *obj; |
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69 size_t i; |
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70 |
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71 json_array_foreach(array, i, obj) { |
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72 const json_t *name = json_object_get(obj, "name"); |
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73 |
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74 if (!name || !json_is_string(name)) |
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75 die("invalid property object\n"); |
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76 |
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77 if (strcmp(json_string_value(name), prop) == 0) |
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78 return json_object_get(obj, "value"); |
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79 } |
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80 |
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81 return NULL; |
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82 } |
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83 |
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84 static void |
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85 write_animation(const json_t *tile) |
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86 { |
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87 const json_t *id = json_object_get(tile, "id"); |
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88 const json_t *properties = json_object_get(tile, "properties"); |
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89 const json_t *file = find_property_value(properties, "animation-file"); |
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90 const json_t *delay = find_property_value(properties, "animation-delay"); |
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91 |
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92 /* Animations are completely optional. */ |
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93 if (!json_is_array(properties)) |
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94 return; |
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95 |
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96 if (!json_is_integer(id)) |
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97 die("invalid 'id' property in tile\n"); |
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98 |
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99 if (json_is_string(file)) { |
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100 printf("%d|%s|", (int)json_integer_value(id), json_string_value(file)); |
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101 |
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102 if (json_is_integer(delay)) |
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103 printf("%d\n", (int)json_integer_value(delay)); |
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104 else |
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105 printf("10\n"); |
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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 write_collision(const json_t *tile) |
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111 { |
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112 const json_t *id = json_object_get(tile, "id"); |
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113 const json_t *objectgroup = json_object_get(tile, "objectgroup"); |
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114 const json_t *objects = json_object_get(objectgroup, "objects"); |
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115 const json_t *first = json_array_get(objects, 0); |
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116 const json_t *x, *y, *w, *h; |
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117 |
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118 /* Collisions are optional. */ |
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119 if (!json_is_object(objectgroup)) |
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120 return; |
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121 |
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122 if (!json_is_integer(id)) |
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123 die("invalid 'id' property in tile\n"); |
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124 if (!json_is_array(objects)) |
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125 die("invalid 'objects' property in tile\n"); |
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126 |
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127 x = json_object_get(first, "x"); |
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128 y = json_object_get(first, "y"); |
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129 w = json_object_get(first, "width"); |
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130 h = json_object_get(first, "height"); |
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131 |
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132 if (!json_is_integer(x) || !json_is_integer(y) || |
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133 !json_is_integer(w) || !json_is_integer(h)) |
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134 die("invalid collide object in tile description\n"); |
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135 |
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136 printf("%d|%d|%d|%d|%d\n", |
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137 (int)json_integer_value(id), |
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138 (int)json_integer_value(x), |
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139 (int)json_integer_value(y), |
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140 (int)json_integer_value(w), |
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141 (int)json_integer_value(h)); |
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142 } |
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143 |
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144 static void |
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145 write_collisions(const json_t *tiles) |
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146 { |
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147 size_t index; |
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148 json_t *object; |
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149 |
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150 if (!json_is_array(tiles)) |
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151 return; |
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152 |
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153 printf("collisions\n"); |
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154 |
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155 json_array_foreach(tiles, index, object) { |
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156 if (!json_is_object(object)) |
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157 die("tile is not an object\n"); |
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158 |
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159 write_collision(object); |
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160 } |
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161 } |
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162 |
218
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163 static void |
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164 write_animations(const json_t *tiles) |
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165 { |
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166 size_t index; |
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167 json_t *object; |
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168 |
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169 if (!json_is_array(tiles)) |
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170 return; |
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171 |
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172 printf("animations\n"); |
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173 |
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174 json_array_foreach(tiles, index, object) { |
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175 if (!json_is_object(object)) |
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176 die("tile is not an object\n"); |
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177 |
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178 write_animation(object); |
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179 } |
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180 } |
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181 |
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182 int |
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183 main(int argc, char *argv[]) |
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184 { |
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185 (void)argc; |
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186 (void)argv; |
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187 |
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188 json_t *document; |
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189 json_error_t error; |
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190 |
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191 document = json_loadf(stdin, 0, &error); |
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192 |
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193 if (!document) |
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194 die("%d:%d: %s\n", error.line, error.column, error.text); |
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195 if (!json_is_object(document)) |
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196 die("root value isn't an object\n"); |
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197 |
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198 write_dimensions(document); |
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199 write_image(document); |
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200 write_collisions(json_object_get(document, "tiles")); |
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201 write_animations(json_object_get(document, "tiles")); |
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202 |
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203 json_decref(document); |
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204 } |