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annotate mlk-map/mlk-map.c @ 610:90ac81e4c190

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ui: reorder params
author David Demelier <markand@malikania.fr>
date Sat, 12 Aug 2023 09:44:49 +0200
parents e070fdcc592b
children
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1 /*
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2 * mlk-map.c -- convert tiled tiled 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 <limits.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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26 #include <mlk/util/util.h>
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27
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28 static inline int
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29 is_layer(const char *name)
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30 {
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31 return strcmp(name, "background") == 0 ||
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32 strcmp(name, "foreground") == 0 ||
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33 strcmp(name, "above") == 0 ||
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34 strcmp(name, "actions") == 0;
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35 }
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36
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37 static const json_t *
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38 find_property(const json_t *props, const char *which)
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39 {
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40 const json_t *obj, *key, *value;
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41 size_t index;
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42
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43 json_array_foreach(props, index, obj) {
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44 if (!json_is_object(obj))
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45 continue;
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46
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47 key = json_object_get(obj, "name");
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48 value = json_object_get(obj, "value");
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49
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50 if (json_is_string(key) && value && strcmp(json_string_value(key), which) == 0)
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51 return value;
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52 }
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53
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54 return NULL;
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55 }
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56
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57 static void
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58 write_player_origin(const json_t *props)
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59 {
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60 const json_t *x, *y;
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61
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62 x = find_property(props, "player-origin-x");
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63 y = find_property(props, "player-origin-y");
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64
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65 if (!x || !json_is_integer(x) ||
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66 !y || !json_is_integer(y))
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67 return;
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68
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69 printf("player-origin|%d|%d\n",
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70 (int)json_integer_value(x),
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71 (int)json_integer_value(y));
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72 }
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73
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74 static void
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75 write_player_sprite(const json_t *props)
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76 {
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77 const json_t *sprite, *w, *h;
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78
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79 sprite = find_property(props, "player-sprite");
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80 w = find_property(props, "player-sprite-w");
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81 h = find_property(props, "player-sprite-h");
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82
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83 if (!sprite || !json_is_string(sprite) ||
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84 !w || !json_is_integer(w) ||
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85 !h || !json_is_integer(h))
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86 return;
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87
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88 printf("player-sprite|%d|%d|%s\n",
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89 (int)json_integer_value(w),
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90 (int)json_integer_value(h),
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91 json_string_value(sprite)
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92 );
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93 }
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94
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95 static void
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96 write_properties(const json_t *props)
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97 {
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98 write_player_origin(props);
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99 write_player_sprite(props);
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100 }
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101
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102 static void
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103 write_dimensions(const json_t *document)
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104 {
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105 json_t *width, *height;
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106
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107 width = json_object_get(document, "width");
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108 height = json_object_get(document, "height");
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109
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110 if (!width || !json_is_integer(width))
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111 mlk_util_die("missing 'width' property\n");
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112 if (!height || !json_is_integer(height))
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113 mlk_util_die("missing 'height' property\n");
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114
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115 printf("columns|%d\n", (int)json_integer_value(width));
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116 printf("rows|%d\n", (int)json_integer_value(height));
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117 }
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118
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119 static void
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120 write_object(const json_t *object)
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121 {
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122 assert(json_is_object(object));
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123
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124 const json_t *x, *y, *width, *height, *props, *exec, *block;
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125
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126 x = json_object_get(object, "x");
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127 y = json_object_get(object, "y");
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128 width = json_object_get(object, "width");
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129 height = json_object_get(object, "height");
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130 props = json_object_get(object, "properties");
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131
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132 if (!x || !json_is_number(x))
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133 mlk_util_die("invalid 'x' property in object\n");
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134 if (!y || !json_is_number(y))
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diff changeset
135 mlk_util_die("invalid 'y' property in object\n");
212
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parents: 211
diff changeset
136 if (!width || !json_is_number(width))
557
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diff changeset
137 mlk_util_die("invalid 'width' property in object\n");
212
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parents: 211
diff changeset
138 if (!height || !json_is_number(height))
557
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diff changeset
139 mlk_util_die("invalid 'height' property in object\n");
25
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diff changeset
140
250
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diff changeset
141 /* This is optional and set to 0 if not present. */
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diff changeset
142 block = find_property(props, "block");
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parents: 215
diff changeset
143
25
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144 /* In tiled, those properties are float but we only use ints in MA */
250
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diff changeset
145 printf("%d|%d|%d|%d|%d",
212
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diff changeset
146 (int)json_integer_value(x),
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diff changeset
147 (int)json_integer_value(y),
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148 (int)json_integer_value(width),
250
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diff changeset
149 (int)json_integer_value(height),
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diff changeset
150 (int)json_is_true(block)
25
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diff changeset
151 );
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diff changeset
152
250
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diff changeset
153 if ((exec = find_property(props, "exec")) && json_is_string(exec))
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154 printf("|%s", json_string_value(exec));
25
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diff changeset
155
212
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diff changeset
156 printf("\n");
25
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diff changeset
157 }
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diff changeset
158
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diff changeset
159 static void
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160 write_layer(const json_t *layer)
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diff changeset
161 {
578
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diff changeset
162 json_t *objects, *data, *name, *tile, *object;
25
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diff changeset
163 size_t index;
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164
578
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165 objects = json_object_get(layer, "objects");
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diff changeset
166 data = json_object_get(layer, "data");
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167 name = json_object_get(layer, "name");
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diff changeset
168
25
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diff changeset
169 if (!name || !json_is_string(name))
557
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diff changeset
170 mlk_util_die("invalid 'name' property in layer");
25
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171 if (!is_layer(json_string_value(name)))
557
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diff changeset
172 mlk_util_die("invalid 'name' layer: %s\n", json_string_value(name));
25
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diff changeset
173
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diff changeset
174 printf("layer|%s\n", json_string_value(name));
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diff changeset
175
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diff changeset
176 /* Only foreground/background have 'data' property */
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diff changeset
177 if (json_is_array(data)) {
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diff changeset
178 json_array_foreach(data, index, tile) {
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diff changeset
179 if (!json_is_integer(tile))
557
944798a59b8a util: introduce mlk_util_die
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diff changeset
180 mlk_util_die("invalid 'data' property in layer\n");
25
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diff changeset
181
215
64f24b482722 rpg: implement tilesets separately, closes #2515 @4h
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diff changeset
182 printf("%d\n", (int)json_integer_value(tile));
25
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183 }
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diff changeset
184 }
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diff changeset
185
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diff changeset
186 /* Only objects has 'objects' property */
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parents: 16
diff changeset
187 if (json_is_array(objects)) {
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parents: 16
diff changeset
188 json_array_foreach(objects, index, object) {
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diff changeset
189 if (!json_is_object(object))
557
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diff changeset
190 mlk_util_die("invalid 'objects' property in layer\n");
25
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diff changeset
191
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diff changeset
192 write_object(object);
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diff changeset
193 }
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diff changeset
194 }
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diff changeset
195 }
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diff changeset
196
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diff changeset
197 static void
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diff changeset
198 write_layers(const json_t *layers)
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diff changeset
199 {
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diff changeset
200 size_t index;
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diff changeset
201 json_t *layer;
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diff changeset
202
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diff changeset
203 if (!layers)
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diff changeset
204 return;
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diff changeset
205
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diff changeset
206 json_array_foreach(layers, index, layer) {
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David Demelier <markand@malikania.fr>
parents: 16
diff changeset
207 if (!json_is_object(layer))
557
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diff changeset
208 mlk_util_die("layer is not an object\n");
25
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diff changeset
209
0d5ecefcccd3 molko-map: reimplement using JSON as it is supported by tiled, closes #2448 @4h
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diff changeset
210 write_layer(layer);
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parents: 16
diff changeset
211 }
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diff changeset
212 }
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parents: 16
diff changeset
213
0d5ecefcccd3 molko-map: reimplement using JSON as it is supported by tiled, closes #2448 @4h
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parents: 16
diff changeset
214 static void
215
64f24b482722 rpg: implement tilesets separately, closes #2515 @4h
David Demelier <markand@malikania.fr>
parents: 212
diff changeset
215 write_tileset(const json_t *tilesets)
210
70e6ed74940d rpg: attempt of collide detection in map
David Demelier <markand@malikania.fr>
parents: 116
diff changeset
216 {
554
cdbc13ceff85 rpg: do the same for map
David Demelier <markand@malikania.fr>
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diff changeset
217 char path[MLK_PATH_MAX], *ext;
215
64f24b482722 rpg: implement tilesets separately, closes #2515 @4h
David Demelier <markand@malikania.fr>
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diff changeset
218 const json_t *tileset, *source;
210
70e6ed74940d rpg: attempt of collide detection in map
David Demelier <markand@malikania.fr>
parents: 116
diff changeset
219
215
64f24b482722 rpg: implement tilesets separately, closes #2515 @4h
David Demelier <markand@malikania.fr>
parents: 212
diff changeset
220 if (json_array_size(tilesets) != 1)
557
944798a59b8a util: introduce mlk_util_die
David Demelier <markand@malikania.fr>
parents: 554
diff changeset
221 mlk_util_die("map must contain exactly one tileset");
210
70e6ed74940d rpg: attempt of collide detection in map
David Demelier <markand@malikania.fr>
parents: 116
diff changeset
222
215
64f24b482722 rpg: implement tilesets separately, closes #2515 @4h
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diff changeset
223 tileset = json_array_get(tilesets, 0);
64f24b482722 rpg: implement tilesets separately, closes #2515 @4h
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diff changeset
224 source = json_object_get(tileset, "source");
210
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diff changeset
225
215
64f24b482722 rpg: implement tilesets separately, closes #2515 @4h
David Demelier <markand@malikania.fr>
parents: 212
diff changeset
226 if (!json_is_string(source))
557
944798a59b8a util: introduce mlk_util_die
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diff changeset
227 mlk_util_die("invalid 'source' property in tileset\n");
210
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parents: 116
diff changeset
228
215
64f24b482722 rpg: implement tilesets separately, closes #2515 @4h
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diff changeset
229 /* We need to replace the .json extension to .tileset. */
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parents: 212
diff changeset
230 snprintf(path, sizeof (path), "%s", json_string_value(source));
25
0d5ecefcccd3 molko-map: reimplement using JSON as it is supported by tiled, closes #2448 @4h
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parents: 16
diff changeset
231
554
cdbc13ceff85 rpg: do the same for map
David Demelier <markand@malikania.fr>
parents: 524
diff changeset
232 if (!(ext = strstr(path, ".json")))
557
944798a59b8a util: introduce mlk_util_die
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diff changeset
233 mlk_util_die("could not determine tileset extension");
25
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parents: 16
diff changeset
234
215
64f24b482722 rpg: implement tilesets separately, closes #2515 @4h
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parents: 212
diff changeset
235 *ext = '\0';
25
0d5ecefcccd3 molko-map: reimplement using JSON as it is supported by tiled, closes #2448 @4h
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parents: 16
diff changeset
236
554
cdbc13ceff85 rpg: do the same for map
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diff changeset
237 printf("tileset|%s.tileset\n", path);
25
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diff changeset
238 }
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parents: 16
diff changeset
239
16
621c815c9509 tools: implement basic molko-map stub, continue #2448
David Demelier <markand@malikania.fr>
parents:
diff changeset
240 int
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David Demelier <markand@malikania.fr>
parents:
diff changeset
241 main(void)
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David Demelier <markand@malikania.fr>
parents:
diff changeset
242 {
25
0d5ecefcccd3 molko-map: reimplement using JSON as it is supported by tiled, closes #2448 @4h
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diff changeset
243 json_t *document;
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parents: 16
diff changeset
244 json_error_t error;
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diff changeset
245
0d5ecefcccd3 molko-map: reimplement using JSON as it is supported by tiled, closes #2448 @4h
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diff changeset
246 document = json_loadf(stdin, 0, &error);
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diff changeset
247
0d5ecefcccd3 molko-map: reimplement using JSON as it is supported by tiled, closes #2448 @4h
David Demelier <markand@malikania.fr>
parents: 16
diff changeset
248 if (!document)
557
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David Demelier <markand@malikania.fr>
parents: 554
diff changeset
249 mlk_util_die("%d:%d: %s\n", error.line, error.column, error.text);
16
621c815c9509 tools: implement basic molko-map stub, continue #2448
David Demelier <markand@malikania.fr>
parents:
diff changeset
250
25
0d5ecefcccd3 molko-map: reimplement using JSON as it is supported by tiled, closes #2448 @4h
David Demelier <markand@malikania.fr>
parents: 16
diff changeset
251 write_properties(json_object_get(document, "properties"));
215
64f24b482722 rpg: implement tilesets separately, closes #2515 @4h
David Demelier <markand@malikania.fr>
parents: 212
diff changeset
252 write_dimensions(document);
25
0d5ecefcccd3 molko-map: reimplement using JSON as it is supported by tiled, closes #2448 @4h
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diff changeset
253 write_layers(json_object_get(document, "layers"));
215
64f24b482722 rpg: implement tilesets separately, closes #2515 @4h
David Demelier <markand@malikania.fr>
parents: 212
diff changeset
254 write_tileset(json_object_get(document, "tilesets"));
16
621c815c9509 tools: implement basic molko-map stub, continue #2448
David Demelier <markand@malikania.fr>
parents:
diff changeset
255
25
0d5ecefcccd3 molko-map: reimplement using JSON as it is supported by tiled, closes #2448 @4h
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diff changeset
256 json_decref(document);
16
621c815c9509 tools: implement basic molko-map stub, continue #2448
David Demelier <markand@malikania.fr>
parents:
diff changeset
257 }