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annotate libmlk-adventure/adventure/action/teleport.c @ 301:f04b4ee04db3

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make: switch to GNU make
author David Demelier <markand@malikania.fr>
date Wed, 23 Jun 2021 22:41:34 +0200
parents 196264679079
children d01e83210ca2
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1 /*
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2 * teleport.c -- teleport contact
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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 <stdio.h>
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21 #include <stdlib.h>
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22 #include <string.h>
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23
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24 #include <core/action.h>
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25 #include <core/alloc.h>
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26 #include <core/maths.h>
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27 #include <core/painter.h>
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28 #include <core/panic.h>
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29 #include <core/texture.h>
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30 #include <core/window.h>
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31
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32 #include <rpg/map.h>
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33
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34 #include <adventure/molko.h>
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35
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36 #include "teleport.h"
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37
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38 static void
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39 draw(struct action *act)
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40 {
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41 struct teleport *tp = act->data;
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42
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43 texture_set_blend_mode(&tp->overlay, TEXTURE_BLEND_BLEND);
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44 texture_set_alpha_mod(&tp->overlay, tp->alpha);
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45
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46 PAINTER_BEGIN(&tp->overlay);
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47 painter_set_color(0x000000ff);
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48 painter_clear();
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49 PAINTER_END();
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50
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51 texture_draw(&tp->overlay, 0, 0);
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52 }
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53
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54 static int
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55 update_fadeout(struct action *act, unsigned int ticks)
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56 {
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57 struct teleport *tp = act->data;
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58
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59 tp->elapsed += ticks;
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60
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61 if (tp->elapsed >= 10) {
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62 if (tp->alpha >= 255) {
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63 molko_teleport(tp->destination, tp->origin_x, tp->origin_y);
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64 return 1;
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65 }
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66
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67 tp->elapsed = 0;
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68 tp->alpha += 5;
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69 }
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70
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71 return 0;
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72 }
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73
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74 static int
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75 update_touch(struct action *act, unsigned int ticks)
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76 {
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77 (void)ticks;
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78
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79 struct teleport *tp = act->data;
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80 const int x = tp->x - tp->map->player_sprite->cellw;
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81 const int y = tp->y - tp->map->player_sprite->cellh;
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82 const unsigned int w = tp->w + tp->map->player_sprite->cellw;
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83 const unsigned int h = tp->h + tp->map->player_sprite->cellh;
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84
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85 if (maths_is_boxed(x, y, w, h, tp->map->player_x, tp->map->player_y)) {
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86 /* Stop movement and disable input. */
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87 tp->map->player_movement = 0;
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88 game.inhibit = INHIBIT_STATE_INPUT;
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89
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90 /*
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91 * We change our update function and add a draw function that
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92 * fade the screen out.
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93 */
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94 if (texture_new(&tp->overlay, window.w, window.h) < 0)
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95 panic();
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96
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97 act->update = update_fadeout;
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98 act->draw = draw;
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99 }
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100
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101 return 0;
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102 }
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103
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104 static void
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105 finish(struct action *act)
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106 {
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107 struct teleport *tp = act->data;
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108
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109 texture_finish(&tp->overlay);
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110
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111 free(act->data);
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112 }
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113
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114 struct action *
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115 teleport_action(struct teleport *tp)
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116 {
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117 assert(tp);
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118
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119 tp->action.data = tp;
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120 tp->action.update = update_touch;
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121 tp->action.finish = finish;
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122
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123 return &tp->action;
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124 }