Mercurial > molko
annotate src/animation.h @ 46:b815621df3e3
core: remove all fixed width integers, closes #2460
author | David Demelier <markand@malikania.fr> |
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date | Wed, 15 Jan 2020 22:31:17 +0100 |
parents | 5519ad48822e |
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1 /* |
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2 * animation.h -- basic animations |
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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_ANIMATION_H |
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20 #define MOLKO_ANIMATION_H |
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21 |
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22 /** |
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23 * \file animation.h |
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24 * \brief Basic animations. |
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25 */ |
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26 |
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27 #include <stdbool.h> |
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28 |
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29 struct sprite; |
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30 |
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31 /** |
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32 * \brief Animation object |
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33 */ |
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34 struct animation { |
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35 struct sprite *sprite; /*!< Sprite to use (RW) */ |
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36 unsigned int row; /*!< current row (RO) */ |
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37 unsigned int column; /*!< current column (RO) */ |
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38 unsigned int delay; /*!< delay between frames (RW) */ |
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39 unsigned int elapsed; /*!< elapsed time since last frame (RO) */ |
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40 }; |
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41 |
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42 /** |
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43 * Initialize the animation. |
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44 * |
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45 * The animation does not take sprite ownership, it must be valid until |
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46 * animation is no longer used. |
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47 * |
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48 * \pre an != NULL |
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49 * \pre sprite != NULL |
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50 * \param an the animation |
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51 * \param sprite the sprite to use |
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52 * \param delay the delay between frames in milliseconds |
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53 */ |
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54 void |
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55 animation_init(struct animation *an, struct sprite *sprite, unsigned int delay); |
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56 |
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57 /** |
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58 * Tells if the animation is complete. |
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59 * |
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60 * \pre an != NULL |
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61 * \param an the animation |
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62 * \return true if the animation has completed |
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63 */ |
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64 bool |
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65 animation_is_complete(const struct animation *an); |
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66 |
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67 /** |
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68 * Start an animation. |
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69 * |
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70 * \pre an != NULL |
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71 * \param an the animation |
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72 */ |
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73 void |
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74 animation_start(struct animation *an); |
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75 |
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76 /** |
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77 * Update the animation. |
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78 * |
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79 * You must call this function at each loop iteration to update the animation |
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80 * frame depending on its delay. |
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81 * |
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82 * \pre an != NULL |
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83 * \param an the animation |
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84 * \param ticks the elapsed ticks since the last call |
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85 */ |
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86 void |
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87 animation_update(struct animation *an, unsigned int ticks); |
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88 |
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89 /** |
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90 * Draw the animation. |
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91 * |
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92 * \pre an != NULL |
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93 * \param an the animation |
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94 * \param x the X coordinate |
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95 * \param y the Y coordinate |
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96 */ |
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97 void |
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98 animation_draw(struct animation *an, int x, int y); |
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99 |
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100 #endif /* !MOLKO_ANIMATION_H */ |