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annotate examples/example-battle/main.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 23a844fdc911
children 86b71e1f9dd5
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1 /*
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2 * example-battle.c -- show how to use battle
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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
207
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24 #include <core/alloc.h>
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25 #include <core/core.h>
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26 #include <core/event.h>
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27 #include <core/game.h>
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28 #include <core/image.h>
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29 #include <core/painter.h>
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30 #include <core/panic.h>
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31 #include <core/sprite.h>
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32 #include <core/state.h>
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33 #include <core/sys.h>
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34 #include <core/texture.h>
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35 #include <core/util.h>
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36 #include <core/window.h>
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37
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38 #include <ui/align.h>
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39 #include <ui/label.h>
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40 #include <ui/theme.h>
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41 #include <ui/ui.h>
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42
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43 #include <rpg/character.h>
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44 #include <rpg/battle.h>
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45 #include <rpg/rpg.h>
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46 #include <rpg/spell.h>
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47
209
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48 #include "registry.h"
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49 #include "spell-fire.h"
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50
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51 #define W 1280
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52 #define H 720
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53
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54 static void
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55 adventurer_reset(struct character *ch)
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56 {
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57 /* TODO: this function should compute the attack thanks to the level. */
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58 ch->hpmax = 120;
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59 ch->mpmax = 50;
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60 ch->atk = 50;
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61 ch->def = 50;
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62 ch->agt = 50;
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63 ch->luck = 50;
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64 }
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65
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66 static void
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67 haunted_wood_reset(struct character *ch)
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68 {
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69 ch->hpmax = ch->hp = 2000;
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70 ch->mpmax = ch->mp = 250;
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71 ch->atk = 178;
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72 ch->def = 80;
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73 ch->agt = 80;
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74 ch->luck = 100;
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75 }
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76
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77 static void
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78 black_cat_reset(struct character *ch)
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79 {
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80 ch->hpmax = ch->hp = 126;
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81 ch->mpmax = ch->mp = 38;
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82 ch->atk = 22;
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83 ch->def = 19;
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84 ch->agt = 21;
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85 ch->luck = 14;
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86 }
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87
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88 static struct character team[] = {
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89 {
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90 .name = "Molko",
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91 .type = "Adventurer",
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92 .level = 1,
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93 .hp = 120,
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94 .mp = 50,
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95 .reset = adventurer_reset,
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96 .sprite = &registry_sprites[REGISTRY_TEXTURE_JOHN],
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97 .spells = {
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98 &spell_fire
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99 }
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100 },
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101 {
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102 .name = "Fake Molko",
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103 .type = "Adventurer",
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104 .level = 1,
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105 .hp = 120,
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106 .mp = 50,
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107 .reset = adventurer_reset,
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108 .sprite = &registry_sprites[REGISTRY_TEXTURE_JOHN],
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109 .spells = {
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110 &spell_fire
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111 }
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112 }
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113 };
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114
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115 static void
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116 haunted_wood_strat(struct character *ch, struct battle *bt)
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117 {
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118 (void)ch;
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119
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120 /* TODO: Select randomly. */
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121 battle_attack(bt, bt->order_cur->ch, bt->team[0].ch);
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122 }
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123
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124 static void
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125 black_cat_strat(struct character *ch, struct battle *bt)
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126 {
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127 (void)ch;
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128
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129 /* TODO: Select randomly. */
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130 battle_attack(bt, bt->order_cur->ch, bt->team[0].ch);
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131 }
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132
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133 static struct character haunted_wood = {
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134 .name = "Haunted Wood",
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135 .type = "Wood",
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136 .level = 30,
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137 .reset = haunted_wood_reset,
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138 .sprite = &registry_sprites[REGISTRY_TEXTURE_HAUNTED_WOOD],
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139 .exec = haunted_wood_strat
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140 };
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141
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142 static struct character black_cat = {
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143 .name = "Black Cat",
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144 .type = "Cat",
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145 .level = 6,
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146 .reset = black_cat_reset,
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147 .sprite = &registry_sprites[REGISTRY_TEXTURE_BLACK_CAT],
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148 .exec = black_cat_strat
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149 };
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150
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151 static void
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152 init(void)
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153 {
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154 if (!core_init() || !ui_init() || !rpg_init())
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155 panic();
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156 if (!window_open("Example - Battle", W, H))
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157 panic();
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158
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159 registry_init();
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160
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161 /* Set cursor in default theme. */
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162 theme_default()->sprites[THEME_SPRITE_CURSOR] = &registry_sprites[REGISTRY_TEXTURE_CURSOR];
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163 }
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164
207
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165 static struct state fight_state;
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166
192
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167 static void
207
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168 prepare_to_fight(void)
192
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169 {
227
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170 struct battle *bt = alloc_new0(sizeof (*bt));
192
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171
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172 // bt->enemies[0].ch = &haunted_wood;
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173 bt->team[0].ch = &team[0];
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174 bt->team[1].ch = &team[1];
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175
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176 /* Positionate the single ennemy to the left. */
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177 align(ALIGN_LEFT,
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178 &bt->enemies[0].x, &bt->enemies[0].y, haunted_wood.sprite->cellw, haunted_wood.sprite->cellh,
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179 0, 0, window.w, window.h);
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180
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181 /* Black cat is near the previous monster. */
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182 bt->enemies[1].ch = &black_cat;
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183 bt->enemies[1].x = 500;
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184 bt->enemies[1].y = 100;
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185
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186 battle_start(bt);
207
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187
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188 fight_state.data = bt;
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189 game_switch(&fight_state, false);
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190 }
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191
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192
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193 static void
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194 empty_handle(struct state *st, const union event *ev)
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195 {
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196 (void)st;
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197
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198 switch (ev->type) {
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199 case EVENT_QUIT:
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200 game_quit();
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201 break;
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202 case EVENT_KEYDOWN:
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203 if (ev->key.key == KEY_SPACE)
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204 prepare_to_fight();
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205 break;
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206 default:
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207 break;
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208 }
192
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209 }
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210
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211 static void
207
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212 empty_draw(struct state *st)
192
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213 {
207
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214 (void)st;
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215
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216 static const struct label info = {
192
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217 .text = "Press <Space> to start a battle.",
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218 .x = 10,
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219 .y = 10,
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220 .flags = LABEL_FLAGS_SHADOW
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221 };
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222
207
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223 painter_set_color(0x4f8fbaff);
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224 painter_clear();
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225 label_draw(&info);
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226 painter_present();
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227 }
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228
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229 static struct state empty_state = {
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230 .handle = empty_handle,
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231 .draw = empty_draw
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232 };
192
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233
207
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234 static void
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235 fight_handle(struct state *st, const union event *ev)
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236 {
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237 battle_handle(st->data, ev);
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238 }
192
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239
207
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240 static void
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241 fight_update(struct state *st, unsigned int ticks)
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242 {
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243 struct battle *bt = st->data;
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244
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245 if (battle_update(bt, ticks))
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246 game_switch(&empty_state, false);
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247 }
192
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248
207
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249 static void
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250 fight_draw(struct state *st)
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251 {
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252 painter_set_color(0x000000ff);
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253 painter_clear();
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254 battle_draw(st->data);
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255 painter_present();
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256 }
192
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257
207
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258 static void
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259 fight_finish(struct state *st)
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260 {
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261 battle_finish(st->data);
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262 free(st->data);
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263 }
192
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264
207
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265 static struct state fight_state = {
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266 .handle = fight_handle,
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267 .update = fight_update,
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268 .draw = fight_draw,
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269 .finish = fight_finish,
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270 };
192
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271
207
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272 static void
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273 run(void)
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274 {
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275 game_switch(&empty_state, true);
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276 game_loop();
192
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277 }
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278
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279 static void
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280 quit(void)
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281 {
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282 registry_finish();
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283 theme_finish();
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284 window_finish();
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285 sys_finish();
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286 }
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287
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288 int
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289 main(int argc, char **argv)
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290 {
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291 --argc;
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David Demelier <markand@malikania.fr>
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292 ++argv;
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293
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294 init();
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295 run();
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296 quit();
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297
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298 return 0;
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299 }