Mercurial > molko
annotate src/libmlk-adventure/adventure/action/teleport.c @ 320:8f9937403749
misc: improve loading of data
author | David Demelier <markand@malikania.fr> |
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date | Fri, 01 Oct 2021 20:30:00 +0200 |
parents | libmlk-adventure/adventure/action/teleport.c@d01e83210ca2 |
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rev | line source |
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1 /* |
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2 * teleport.c -- teleport contact |
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3 * |
314 | 4 * Copyright (c) 2020-2021 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 } |