annotate libmlk-adventure/adventure/state/mainmenu.c @ 243:71b3b7036de7

misc: lot of cleanups, - prefix libraries with libmlk, - move assets from source directories closes #2520, - prefix header guards closes #2519
author David Demelier <markand@malikania.fr>
date Sat, 28 Nov 2020 22:37:30 +0100
parents libadventure/adventure/state/mainmenu.c@befa2e855d3b
children 16be1ad3ddba
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1 /*
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2 * mainmenu.c -- game main 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 <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/event.h>
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25 #include <core/font.h>
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26 #include <core/game.h>
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27 #include <core/image.h>
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28 #include <core/painter.h>
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29 #include <core/panic.h>
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30 #include <core/state.h>
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31 #include <core/texture.h>
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32 #include <core/util.h>
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33 #include <core/window.h>
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34
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35 #include <ui/align.h>
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36 #include <ui/label.h>
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37 #include <ui/theme.h>
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38
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39 #include <assets/fonts/teutonic.h>
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40 #include <assets/fonts/pirata-one.h>
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41
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42 #include "adventure_p.h"
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43 #include "mainmenu.h"
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44 #include "molko.h"
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45
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46 struct mainmenu {
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47 struct {
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48 struct texture tex;
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49 int x;
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50 int y;
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51 } texts[4];
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52
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53 unsigned int itemsel; /* Selected item. */
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54 };
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55
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56 static void
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57 new(void)
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58 {
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59 /* TODO: implement here. */
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60 if (!map_file_open(&molko.map_file, &molko.map, DIRECTORY "/maps/overworld.map"))
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61 panic();
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62
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63 /* Put a sprite. */
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64 if (!image_open(&molko.map_player_texture, DIRECTORY "/sprites/john.png"))
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65 panic();
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66
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67 sprite_init(&molko.map_player_sprite, &molko.map_player_texture, 48, 48);
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68 molko.map.player_sprite = &molko.map_player_sprite;
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69
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70 if (!map_init(&molko.map))
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71 panic();
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72
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73 game_switch(&molko.states[MOLKO_STATE_MAP], false);
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74 }
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75
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76 static void
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77 resume(void)
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78 {
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79 /* TODO: implement here. */
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80 }
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81
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82 static void
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83 quit(void)
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84 {
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85 game_quit();
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86 }
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87
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88 static void
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89 perform(struct mainmenu *main)
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90 {
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91 assert(main->itemsel < 3);
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92
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93 static void (*handlers[])(void) = {
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94 [0] = new,
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95 [1] = resume,
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96 [2] = quit
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97 };
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98
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99 handlers[main->itemsel]();
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100 }
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101
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102 static void
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103 init_title(struct mainmenu *main, struct font *font)
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104 {
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105 if (!font_render(font, &main->texts[3].tex, "Molko's Adventure", 0x000000ff))
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106 panic();
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107
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108 /* Align header. */
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109 align(ALIGN_CENTER, &main->texts[3].x, NULL, main->texts[3].tex.w, main->texts[3].tex.h,
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110 0, 0, window.w, window.h);
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111
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112 main->texts[3].y = main->texts[3].x;
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113 }
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114
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115 static void
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116 init_items(struct mainmenu *main, struct font *font)
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117 {
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118 if (!font_render(font, &main->texts[0].tex, _("New"), 0x000000ff) ||
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119 !font_render(font, &main->texts[1].tex, _("Continue"), 0x000000ff) ||
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120 !font_render(font, &main->texts[2].tex, _("Quit"), 0x000000ff))
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121 panic();
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122
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123 main->texts[0].x = (window.w / 2) - (main->texts[0].tex.w / 2);
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124 main->texts[0].y = window.h * 0.75;
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125
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126 main->texts[1].x = main->texts[0].x;
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127 main->texts[1].y = main->texts[0].y + main->texts[0].tex.h;
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128
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129 main->texts[2].x = main->texts[0].x;
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130 main->texts[2].y = main->texts[1].y + main->texts[1].tex.h;
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131 }
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132
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133 static void
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134 start(struct state *state)
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135 {
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136 struct mainmenu *main;
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137 struct font fonts[2];
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138
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139 /* Allocate the main menu data. */
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140 main = (state->data = alloc_new0(sizeof (*main)));
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141
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142 if (!font_openmem(&fonts[0], fonts_teutonic, sizeof (fonts_teutonic), 130) ||
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143 !font_openmem(&fonts[1], fonts_pirata_one, sizeof (fonts_pirata_one), 30))
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144 panic();
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145
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146 fonts[0].style = fonts[1].style = FONT_STYLE_ANTIALIASED;
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147
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148 init_title(main, &fonts[0]);
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149 init_items(main, &fonts[1]);
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150
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151 font_finish(&fonts[0]);
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152 font_finish(&fonts[1]);
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153 }
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154
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155 static void
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156 handle(struct state *state, const union event *event)
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157 {
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158 struct mainmenu *main = state->data;
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159
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160 switch (event->type) {
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161 case EVENT_KEYDOWN:
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162 switch (event->key.key) {
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163 case KEY_UP:
162
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164 main->itemsel = main->itemsel == 0 ? 2 : main->itemsel - 1;
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165 break;
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166 case KEY_DOWN:
162
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167 main->itemsel = (main->itemsel + 1) % 3;
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168 break;
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169 case KEY_ENTER:
162
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170 perform(main);
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171 break;
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172 default:
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173 break;
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174 }
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175 break;
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176 default:
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177 break;
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178 }
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179 }
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180
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181 static void
162
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182 draw(struct state *state)
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183 {
162
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184 struct mainmenu *main = state->data;
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185
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186 painter_set_color(0xffffffff);
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187 painter_clear();
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188
162
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189 for (size_t i = 0; i < NELEM(main->texts); ++i)
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190 texture_draw(&main->texts[i].tex, main->texts[i].x, main->texts[i].y);
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191
162
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192 /* TODO: a sword here. */
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193 painter_set_color(0x000000ff);
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194 painter_draw_rectangle(
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195 main->texts[main->itemsel].x - 30,
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196 main->texts[main->itemsel].y + 11, 15, 15);
212
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197 painter_present();
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198 }
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199
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200 static void
162
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201 finish(struct state *state)
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202 {
162
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203 struct mainmenu *main = state->data;
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204
162
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205 if (!main)
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206 return;
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207
162
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208 for (size_t i = 0; i < NELEM(main->texts); ++i)
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209 texture_finish(&main->texts[i].tex);
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210
162
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211 free(main);
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212 memset(state, 0, sizeof (*state));
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213 }
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214
162
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215 void
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216 mainmenu_state(struct state *state)
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217 {
162
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218 assert(state);
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219
162
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220 memset(state, 0, sizeof (*state));
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221 state->start = start;
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222 state->handle = handle;
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223 state->draw = draw;
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224 state->finish = finish;
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225 }