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annotate libadventure/adventure/state/splashscreen.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 ddfe0a211169
children
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1 /*
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2 * splashscreen.c -- splash screen state
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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 #include <string.h>
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22
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23 #include <core/alloc.h>
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24 #include <core/font.h>
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25 #include <core/game.h>
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26 #include <core/image.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/state.h>
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30 #include <core/sys.h>
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31 #include <core/texture.h>
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32 #include <core/window.h>
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33
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34 #include <ui/align.h>
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35
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36 #include <adventure/assets/fonts/cubic.h>
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37
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38 #include "splashscreen.h"
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39 #include "mainmenu.h"
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40
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41 #define DELAY 3000
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42
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43 struct splashscreen {
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44 struct texture tex;
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45 int x;
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46 int y;
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47 struct state *next;
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48 unsigned int elapsed;
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49 };
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50
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51 static struct splashscreen *
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52 init(struct state *next)
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53 {
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54 struct splashscreen *splash;
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55 struct font font;
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56
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57 splash = alloc_new0(sizeof (*splash));
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58 splash->next = next;
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60 if (!font_openmem(&font, fonts_cubic, sizeof (fonts_cubic), 80))
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61 panic();
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62
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63 font.style = FONT_STYLE_ANTIALIASED;
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64
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65 if (!font_render(&font, &splash->tex, "malikania", 0x19332dff))
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66 panic();
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67
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68 align(ALIGN_CENTER, &splash->x, &splash->y, splash->tex.w, splash->tex.h,
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69 0, 0, window.w, window.h);
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70 font_finish(&font);
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71
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72 return splash;
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73 }
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75 static void
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76 update(struct state *state, unsigned int ticks)
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77 {
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78 struct splashscreen *splash = state->data;
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79
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80 splash->elapsed += ticks;
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81
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82 if (splash->elapsed >= DELAY)
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83 game_switch(splash->next, false);
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84 }
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85
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86 static void
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87 draw(struct state *state)
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88 {
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89 struct splashscreen *splash = state->data;
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90
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91 painter_set_color(0xffffffff);
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92 painter_clear();
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93 texture_draw(&splash->tex, splash->x, splash->y);
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94 painter_present();
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95 }
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96
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97 static void
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98 finish(struct state *state)
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99 {
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100 struct splashscreen *splash = state->data;
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101
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102 texture_finish(&splash->tex);
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103
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104 free(splash);
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105 memset(state, 0, sizeof (*state));
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106 }
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107
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108 void
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109 splashscreen_state(struct state *state, struct state *next)
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110 {
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111 assert(state);
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112 assert(next);
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113
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114 memset(state, 0, sizeof (*state));
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115 state->data = init(next);
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116 state->update = update;
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117 state->draw = draw;
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118 state->finish = finish;
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119 }