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annotate src/libmlk-rpg/rpg/battle-state-opening.c @ 424:2f4a8e166128

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core: use err.h in image
author David Demelier <markand@malikania.fr>
date Sat, 15 Oct 2022 14:03:27 +0200
parents 14ce7c4871e3
children 8f59201dc76b
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1 /*
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2 * battle-state-opening.c -- battle state (opening)
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3 *
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4 * Copyright (c) 2020-2022 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 <stdlib.h>
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21
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22 #include <core/alloc.h>
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23 #include <core/painter.h>
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24 #include <core/panic.h>
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25 #include <core/window.h>
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26
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27 #include "battle-state-check.h"
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28 #include "battle-state-opening.h"
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29 #include "battle-state.h"
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30 #include "battle.h"
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31
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32 #define DELAY (1000U)
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33
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34 struct self {
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35 /* Always keep first. */
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36 struct battle_state_opening data;
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37 struct battle_state state;
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38 };
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40 static int
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41 update(struct battle_state *st, struct battle *bt, unsigned int ticks)
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42 {
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43 (void)bt;
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45 return battle_state_opening_update(st->data, bt, ticks);
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46 }
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47
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48 static void
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49 draw(const struct battle_state *st, const struct battle *bt)
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50 {
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51 (void)bt;
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52
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53 battle_state_opening_draw(st->data, bt);
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54 }
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55
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56 static void
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57 finish(struct battle_state *st, struct battle *bt)
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58 {
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59 (void)bt;
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60
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61 free(st->data);
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62 }
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64 int
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65 battle_state_opening_update(struct battle_state_opening *op, struct battle *bt, unsigned int ticks)
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66 {
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67 op->elapsed += ticks;
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68
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69 /*
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70 * Those function will effectively change state accordingly to the
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71 * order of playing.
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72 */
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73 if (op->elapsed >= DELAY)
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74 battle_state_check(bt);
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75
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76 return 0;
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77 }
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78
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79 void
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80 battle_state_opening_draw(const struct battle_state_opening *op, const struct battle *bt)
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81 {
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82 assert(op);
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83 assert(bt);
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84
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85 const unsigned int w = window.w;
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86 const unsigned int h = window.h / 2;
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87 const unsigned int ch = op->elapsed * h / DELAY;
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88
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89 battle_draw_component(bt, BATTLE_COMPONENT_BACKGROUND | BATTLE_COMPONENT_ENTITIES);
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90
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91 /* Draw some bezels opening. */
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92 painter_set_color(0x000000ff);
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93 painter_draw_rectangle(0, 0, w, h - ch);
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94 painter_draw_rectangle(0, h + ch, w, h - ch);
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95 }
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96
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97 void
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98 battle_state_opening(struct battle *bt)
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99 {
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100 assert(bt);
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101
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102 struct self *self;
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103
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104 self = alloc_new0(sizeof (*self));
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105 self->state.data = self;
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106 self->state.update = update;
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107 self->state.draw = draw;
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108 self->state.finish = finish;
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110 battle_switch(bt, &self->state);
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111 }