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annotate librpg/rpg/battle-state-closing.c @ 227:befa2e855d3b

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core: reinterface the alloc module
author David Demelier <markand@malikania.fr>
date Thu, 19 Nov 2020 10:48:46 +0100
parents c0e0d4accae8
children
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1 /*
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2 * battle-state-closing.c -- battle state (closing)
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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 <stdlib.h>
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21
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22 #include <core/alloc.h>
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23 #include <core/music.h>
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24 #include <core/painter.h>
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25 #include <core/panic.h>
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26 #include <core/texture.h>
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27 #include <core/window.h>
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28
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29 #include "battle.h"
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30 #include "battle-state-closing.h"
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31
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32 struct closing {
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33 struct battle_state self;
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34 struct texture texture;
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35 unsigned int alpha;
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36 unsigned int elapsed;
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37 };
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38
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39 static bool
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40 update(struct battle_state *st, struct battle *bt, unsigned int ticks)
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41 {
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42 (void)bt;
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43
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44 struct closing *closing = st->data;
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45
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46 closing->elapsed += ticks;
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47
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48 if (closing->elapsed > 8) {
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49 closing->elapsed = 0;
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50
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51 if (closing->alpha == 255) {
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52 music_stop(0);
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53 return true;
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54 }
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55
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56 closing->alpha += 5;
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57 texture_set_alpha_mod(&closing->texture, closing->alpha);
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58 }
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59
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60 return false;
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61 }
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62
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63 static void
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64 draw(const struct battle_state *st, const struct battle *bt)
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65 {
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66 (void)bt;
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67
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68 const struct closing *closing = st->data;
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69
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70 texture_draw(&closing->texture, 0, 0);
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71 }
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72
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73 static void
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74 finish(struct battle_state *st, struct battle *bt)
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75 {
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76 (void)bt;
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77
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78 struct closing *closing = st->data;
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79
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80 texture_finish(&closing->texture);
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81 free(closing);
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82 }
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83
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84 void
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85 battle_state_closing(struct battle *bt)
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86 {
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87 assert(bt);
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88
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89 struct closing *closing;
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90
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91 if (!(closing = alloc_new0(sizeof (*closing))) ||
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92 !texture_new(&closing->texture, window.w, window.h))
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93 panic();
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94
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95 PAINTER_BEGIN(&closing->texture);
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96 texture_set_blend_mode(&closing->texture, TEXTURE_BLEND_BLEND);
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97 painter_set_color(0x000000ff);
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98 painter_clear();
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99 painter_draw_rectangle(0, 0, window.w, window.h);
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100 PAINTER_END();
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101
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102 texture_set_alpha_mod(&closing->texture, 0);
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103
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104 closing->self.data = closing;
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105 closing->self.update = update;
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106 closing->self.draw = draw;
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107 closing->self.finish = finish;
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108
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109 battle_switch(bt, &closing->self);
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110 }