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annotate librpg/rpg/tileset.h @ 218:71f989ae8de9

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rpg: add support for animated tiles
author David Demelier <markand@malikania.fr>
date Wed, 18 Nov 2020 13:46:29 +0100
parents 64f24b482722
children e71039d820a7
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1 /*
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2 * tileset.h -- map tileset definition
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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 #ifndef MOLKO_RPG_TILESET_H
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20 #define MOLKO_RPG_TILESET_H
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21
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22 #include <stdbool.h>
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23 #include <stddef.h>
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24
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25 struct sprite;
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26
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27 /**
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28 * \brief Describe a tile property in a tileset.
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29 *
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30 * It can contains an animation and a collision mask.
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31 */
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32 struct tileset_tiledef {
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33 unsigned short id; /*!< (+) Tile index. */
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34 short x; /*!< (+) Collision region starts in y. */
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35 short y; /*!< (+) Collision region starts in y. */
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36 unsigned short w; /*!< (+) Collision width. */
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37 unsigned short h; /*!< (+) Collision height. */
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38 };
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39
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40 struct tileset_animation {
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41 unsigned short id; /* (*) Tile index. */
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42 struct animation *animation; /* (+&?) Animation. */
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43 };
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44
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45 /**
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46 * \brief Tileset definition.
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47 */
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48 struct tileset {
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49 struct tileset_tiledef *tiledefs; /*!< (+&?) Per tile properties (must be sorted by id). */
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50 size_t tiledefsz; /*!< (+) Number of tile properties. */
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51 struct tileset_animation *anims; /*!< (+&?) Per tile animations (must be sorted by id). */
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52 size_t animsz; /*!< (+) Number of tile animations. */
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53 struct sprite *sprite; /*!< (+&) Sprite to generate the terrain. */
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54 };
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55
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56 bool
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57 tileset_ok(const struct tileset *ts);
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58
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59 void
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60 tileset_start(struct tileset *ts);
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61
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62 void
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63 tileset_update(struct tileset *ts, unsigned int ticks);
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64
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65 void
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66 tileset_draw(const struct tileset *ts, unsigned int r, unsigned int c, int x, int y);
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67
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68 #endif /* !MOLKO_RPG_TILESET_H */