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annotate tools/tileset/main.c @ 215:64f24b482722

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rpg: implement tilesets separately, closes #2515 @4h While here: - Add CMake macros, - Update maps, - Add more tests.
author David Demelier <markand@malikania.fr>
date Tue, 17 Nov 2020 20:08:42 +0100
parents
children 71f989ae8de9
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64f24b482722 rpg: implement tilesets separately, closes #2515 @4h
David Demelier <markand@malikania.fr>
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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 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 <stdnoreturn.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 noreturn 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 void
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66 write_tiledef(const json_t *tile)
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67 {
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68 const json_t *id = json_object_get(tile, "id");
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69 const json_t *objectgroup = json_object_get(tile, "objectgroup");
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70 const json_t *objects = json_object_get(objectgroup, "objects");
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71 const json_t *first = json_array_get(objects, 0);
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72 const json_t *x, *y, *w, *h;
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73
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74 if (!json_is_integer(id))
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75 die("invalid 'id' property in tile\n");
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76 if (!json_is_object(objectgroup))
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77 die("invalid 'objectgroup' property in tile\n");
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78 if (!json_is_array(objects))
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79 die("invalid 'objects' property in tile\n");
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80
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81 x = json_object_get(first, "x");
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82 y = json_object_get(first, "y");
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83 w = json_object_get(first, "width");
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84 h = json_object_get(first, "height");
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85
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86 if (!json_is_integer(x) || !json_is_integer(y) ||
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87 !json_is_integer(w) || !json_is_integer(h))
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88 die("invalid collide object in tile description\n");
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89
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90 printf("%d|%d|%d|%d|%d\n",
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91 (int)json_integer_value(id),
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92 (int)json_integer_value(x),
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93 (int)json_integer_value(y),
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94 (int)json_integer_value(w),
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95 (int)json_integer_value(h));
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96 }
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97
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98 static void
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99 write_tiledefs(const json_t *tiles)
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100 {
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101 size_t index;
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102 json_t *object;
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103
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104 if (!json_is_array(tiles))
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105 return;
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106
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107 puts("tiledefs");
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108
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109 json_array_foreach(tiles, index, object) {
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110 if (!json_is_object(object))
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111 die("tile is not an object\n");
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112
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113 write_tiledef(object);
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114 }
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115 }
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116
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117 int
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118 main(int argc, char *argv[])
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119 {
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120 json_t *document;
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121 json_error_t error;
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122
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123 document = json_loadf(stdin, 0, &error);
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124
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125 if (!document)
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126 die("%d:%d: %s\n", error.line, error.column, error.text);
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127 if (!json_is_object(document))
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128 die("root value isn't an object\n");
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129
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130 write_dimensions(document);
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131 write_image(document);
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132 write_tiledefs(json_object_get(document, "tiles"));
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133
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David Demelier <markand@malikania.fr>
parents:
diff changeset
134 json_decref(document);
64f24b482722 rpg: implement tilesets separately, closes #2515 @4h
David Demelier <markand@malikania.fr>
parents:
diff changeset
135 }