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annotate examples/example-gridmenu.c @ 208:c0e0d4accae8

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rpg: add music support in battle
author David Demelier <markand@malikania.fr>
date Wed, 11 Nov 2020 16:31:55 +0100
parents 133926e08d6e
children
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1 /*
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2 * example-gridmenu.c -- show how to use grid menu
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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 <core/core.h>
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20 #include <core/event.h>
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21 #include <core/game.h>
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22 #include <core/painter.h>
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23 #include <core/panic.h>
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24 #include <core/state.h>
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25 #include <core/sys.h>
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26 #include <core/trace.h>
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27 #include <core/util.h>
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28 #include <core/window.h>
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29
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30 #include <ui/align.h>
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31 #include <ui/gridmenu.h>
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32 #include <ui/label.h>
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33 #include <ui/theme.h>
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34 #include <ui/ui.h>
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35
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36 #define W (1280)
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37 #define H (720)
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38
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39 static void
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40 init(void)
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41 {
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42 if (!core_init() || !ui_init())
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43 panic();
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44 if (!window_open("Example - Grid menu", W, H))
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45 panic();
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46 }
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47
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48 static void
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49 quit(void)
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50 {
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51 window_finish();
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52 ui_finish();
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53 core_finish();
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54 }
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55
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56 static void
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57 handle(struct state *st, const union event *ev)
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58 {
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59 switch (ev->type) {
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60 case EVENT_QUIT:
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61 game_quit();
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62 break;
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63 default:
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64 gridmenu_handle(st->data, ev);
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65 break;
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66 }
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67 }
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68
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69 static void
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70 update(struct state *st, unsigned int ticks)
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71 {
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72 (void)ticks;
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73
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74 struct gridmenu *menu = st->data;
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75
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76 if (menu->state == GRIDMENU_STATE_ACTIVATED) {
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77 tracef("selected index: %u", (unsigned int)menu->selected);
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78 gridmenu_reset(menu);
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79 }
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80 }
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81
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82 static void
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83 draw(struct state *st)
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84 {
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85 painter_set_color(0x4f8fbaff);
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86 painter_clear();
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87 gridmenu_draw(st->data);
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88 painter_present();
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89 }
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90
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91 static void
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92 run(void)
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93 {
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94 struct gridmenu menu = {
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95 .menu = {
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96 "Feu mineur",
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97 "Feu majeur",
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98 "Feu septième",
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99 "Glace mineure",
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100 "Glace majeure",
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101 "Glace septième",
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102 "Foudre mineure",
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103 "Foudre majeure",
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104 "Foudre septième",
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105 "Choc mineur",
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106 "Choc majeur",
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107 "Choc septième",
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108 },
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109 .w = 300,
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110 .h = 100,
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111 .nrows = 3,
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112 .ncols = 2
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113 };
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114 struct state state = {
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115 .data = &menu,
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116 .handle = handle,
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117 .update = update,
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118 .draw = draw,
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119 };
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120
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121 align(ALIGN_CENTER, &menu.x, &menu.y, menu.w, menu.h, 0, 0, W, H);
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122
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123 /* Need to repaint at least once. */
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124 gridmenu_repaint(&menu);
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125
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126 game_switch(&state, true);
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127 game_loop();
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128 }
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129
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130 int
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131 main(int argc, char **argv)
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132 {
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133 (void)argc;
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134 (void)argv;
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135
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136 init();
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137 run();
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138 quit();
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139 }