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annotate examples/example-battle.c @ 192:4ad7420ab678

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rpg: add minimalist battle system, continue #2477 @60h - Implement battle as states, - Add basic support for spells (no calculation yet), - Add won/lost state, - Add animations and messages, - Add order.
author David Demelier <markand@malikania.fr>
date Sat, 07 Nov 2020 16:00:39 +0100
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children 133926e08d6e
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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 <string.h>
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22
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23 #include <core/clock.h>
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24 #include <core/core.h>
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25 #include <core/event.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/sprite.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/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 #include <ui/ui.h>
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39
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40 #include <rpg/character.h>
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41 #include <rpg/battle.h>
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42 #include <rpg/rpg.h>
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43 #include <rpg/spell.h>
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44
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45 #include "battle/registry.h"
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46 #include "battle/spell-fire.h"
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47
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48 #define W 1280
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49 #define H 720
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50
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51 static void
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52 adventurer_reset(struct character *ch)
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53 {
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54 /* TODO: this function should compute the attack thanks to the level. */
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55 ch->hpmax = 120;
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56 ch->mpmax = 50;
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57 ch->atk = 50;
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58 ch->def = 50;
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59 ch->agt = 50;
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60 ch->luck = 50;
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61 }
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62
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63 static void
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64 haunted_wood_reset(struct character *ch)
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65 {
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66 ch->hpmax = ch->hp = 2000;
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67 ch->mpmax = ch->mp = 250;
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68 ch->atk = 178;
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69 ch->def = 80;
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70 ch->agt = 80;
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71 ch->luck = 100;
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72 }
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73
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74 static void
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75 black_cat_reset(struct character *ch)
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76 {
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77 ch->hpmax = ch->hp = 126;
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78 ch->mpmax = ch->mp = 38;
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79 ch->atk = 22;
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80 ch->def = 19;
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81 ch->agt = 21;
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82 ch->luck = 14;
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83 }
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84
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85 static struct character team[] = {
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86 {
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87 .name = "Molko",
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88 .type = "Adventurer",
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89 .level = 1,
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90 .hp = 120,
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91 .mp = 50,
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92 .reset = adventurer_reset,
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93 .sprite = &registry_sprites[REGISTRY_TEXTURE_JOHN],
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94 .spells = {
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95 &spell_fire
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96 }
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97 },
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98 {
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99 .name = "Fake Molko",
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100 .type = "Adventurer",
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101 .level = 1,
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102 .hp = 120,
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103 .mp = 50,
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104 .reset = adventurer_reset,
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105 .sprite = &registry_sprites[REGISTRY_TEXTURE_JOHN],
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106 .spells = {
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107 &spell_fire
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108 }
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109 }
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110 };
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111
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112 static void
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113 haunted_wood_strat(struct character *ch, struct battle *bt)
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114 {
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115 (void)ch;
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116
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117 /* TODO: Select randomly. */
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118 battle_attack(bt, bt->order_cur->ch, bt->team[0].ch);
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119 }
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120
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121 static void
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122 black_cat_strat(struct character *ch, struct battle *bt)
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123 {
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124 (void)ch;
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125
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126 /* TODO: Select randomly. */
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127 battle_attack(bt, bt->order_cur->ch, bt->team[0].ch);
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128 }
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129
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130 static struct character haunted_wood = {
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131 .name = "Haunted Wood",
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132 .type = "Wood",
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133 .level = 30,
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134 .reset = haunted_wood_reset,
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135 .sprite = &registry_sprites[REGISTRY_TEXTURE_HAUNTED_WOOD],
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136 .exec = haunted_wood_strat
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David Demelier <markand@malikania.fr>
parents:
diff changeset
137 };
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David Demelier <markand@malikania.fr>
parents:
diff changeset
138
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David Demelier <markand@malikania.fr>
parents:
diff changeset
139 static struct character black_cat = {
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David Demelier <markand@malikania.fr>
parents:
diff changeset
140 .name = "Black Cat",
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David Demelier <markand@malikania.fr>
parents:
diff changeset
141 .type = "Cat",
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David Demelier <markand@malikania.fr>
parents:
diff changeset
142 .level = 6,
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David Demelier <markand@malikania.fr>
parents:
diff changeset
143 .reset = black_cat_reset,
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David Demelier <markand@malikania.fr>
parents:
diff changeset
144 .sprite = &registry_sprites[REGISTRY_TEXTURE_BLACK_CAT],
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David Demelier <markand@malikania.fr>
parents:
diff changeset
145 .exec = black_cat_strat
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David Demelier <markand@malikania.fr>
parents:
diff changeset
146 };
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David Demelier <markand@malikania.fr>
parents:
diff changeset
147
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David Demelier <markand@malikania.fr>
parents:
diff changeset
148 static void
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David Demelier <markand@malikania.fr>
parents:
diff changeset
149 init(void)
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David Demelier <markand@malikania.fr>
parents:
diff changeset
150 {
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David Demelier <markand@malikania.fr>
parents:
diff changeset
151 struct clock clock = {0};
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David Demelier <markand@malikania.fr>
parents:
diff changeset
152
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David Demelier <markand@malikania.fr>
parents:
diff changeset
153 if (!core_init() || !ui_init() || !rpg_init())
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David Demelier <markand@malikania.fr>
parents:
diff changeset
154 panic();
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David Demelier <markand@malikania.fr>
parents:
diff changeset
155 if (!window_open("Example - Battle", W, H))
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David Demelier <markand@malikania.fr>
parents:
diff changeset
156 panic();
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David Demelier <markand@malikania.fr>
parents:
diff changeset
157
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David Demelier <markand@malikania.fr>
parents:
diff changeset
158 /* Wait 1 second to let all events processed. */
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David Demelier <markand@malikania.fr>
parents:
diff changeset
159 while (clock_elapsed(&clock) < 1000)
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David Demelier <markand@malikania.fr>
parents:
diff changeset
160 for (union event ev; event_poll(&ev); )
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David Demelier <markand@malikania.fr>
parents:
diff changeset
161 if (ev.type == EVENT_QUIT)
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David Demelier <markand@malikania.fr>
parents:
diff changeset
162 return;
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David Demelier <markand@malikania.fr>
parents:
diff changeset
163
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David Demelier <markand@malikania.fr>
parents:
diff changeset
164 registry_init();
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David Demelier <markand@malikania.fr>
parents:
diff changeset
165
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David Demelier <markand@malikania.fr>
parents:
diff changeset
166 /* Set cursor in default theme. */
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David Demelier <markand@malikania.fr>
parents:
diff changeset
167 theme_default()->sprites[THEME_SPRITE_CURSOR] = &registry_sprites[REGISTRY_TEXTURE_CURSOR];
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David Demelier <markand@malikania.fr>
parents:
diff changeset
168 }
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David Demelier <markand@malikania.fr>
parents:
diff changeset
169
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David Demelier <markand@malikania.fr>
parents:
diff changeset
170 static void
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David Demelier <markand@malikania.fr>
parents:
diff changeset
171 prepare_to_fight(struct battle *bt)
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David Demelier <markand@malikania.fr>
parents:
diff changeset
172 {
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David Demelier <markand@malikania.fr>
parents:
diff changeset
173 assert(bt);
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David Demelier <markand@malikania.fr>
parents:
diff changeset
174
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David Demelier <markand@malikania.fr>
parents:
diff changeset
175 // bt->enemies[0].ch = &haunted_wood;
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David Demelier <markand@malikania.fr>
parents:
diff changeset
176 bt->team[0].ch = &team[0];
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David Demelier <markand@malikania.fr>
parents:
diff changeset
177 bt->team[1].ch = &team[1];
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David Demelier <markand@malikania.fr>
parents:
diff changeset
178
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David Demelier <markand@malikania.fr>
parents:
diff changeset
179 /* Positionate the single ennemy to the left. */
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David Demelier <markand@malikania.fr>
parents:
diff changeset
180 align(ALIGN_LEFT,
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David Demelier <markand@malikania.fr>
parents:
diff changeset
181 &bt->enemies[0].x, &bt->enemies[0].y, haunted_wood.sprite->cellw, haunted_wood.sprite->cellh,
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
182 0, 0, window.w, window.h);
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David Demelier <markand@malikania.fr>
parents:
diff changeset
183
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David Demelier <markand@malikania.fr>
parents:
diff changeset
184 /* Black cat is near the previous monster. */
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David Demelier <markand@malikania.fr>
parents:
diff changeset
185 bt->enemies[1].ch = &black_cat;
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David Demelier <markand@malikania.fr>
parents:
diff changeset
186 bt->enemies[1].x = 500;
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David Demelier <markand@malikania.fr>
parents:
diff changeset
187 bt->enemies[1].y = 100;
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David Demelier <markand@malikania.fr>
parents:
diff changeset
188
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David Demelier <markand@malikania.fr>
parents:
diff changeset
189 battle_start(bt);
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David Demelier <markand@malikania.fr>
parents:
diff changeset
190 }
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David Demelier <markand@malikania.fr>
parents:
diff changeset
191
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David Demelier <markand@malikania.fr>
parents:
diff changeset
192 static void
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David Demelier <markand@malikania.fr>
parents:
diff changeset
193 run(void)
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David Demelier <markand@malikania.fr>
parents:
diff changeset
194 {
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David Demelier <markand@malikania.fr>
parents:
diff changeset
195 struct clock clock;
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David Demelier <markand@malikania.fr>
parents:
diff changeset
196 struct battle battle = {0};
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David Demelier <markand@malikania.fr>
parents:
diff changeset
197 struct label info = {
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David Demelier <markand@malikania.fr>
parents:
diff changeset
198 .text = "Press <Space> to start a battle.",
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David Demelier <markand@malikania.fr>
parents:
diff changeset
199 .x = 10,
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David Demelier <markand@malikania.fr>
parents:
diff changeset
200 .y = 10,
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David Demelier <markand@malikania.fr>
parents:
diff changeset
201 .flags = LABEL_FLAGS_SHADOW
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David Demelier <markand@malikania.fr>
parents:
diff changeset
202 };
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David Demelier <markand@malikania.fr>
parents:
diff changeset
203
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David Demelier <markand@malikania.fr>
parents:
diff changeset
204 clock_start(&clock);
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David Demelier <markand@malikania.fr>
parents:
diff changeset
205
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David Demelier <markand@malikania.fr>
parents:
diff changeset
206 for (;;) {
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David Demelier <markand@malikania.fr>
parents:
diff changeset
207 unsigned int elapsed = clock_elapsed(&clock);
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David Demelier <markand@malikania.fr>
parents:
diff changeset
208
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David Demelier <markand@malikania.fr>
parents:
diff changeset
209 clock_start(&clock);
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David Demelier <markand@malikania.fr>
parents:
diff changeset
210
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David Demelier <markand@malikania.fr>
parents:
diff changeset
211 for (union event ev; event_poll(&ev); ) {
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David Demelier <markand@malikania.fr>
parents:
diff changeset
212 switch (ev.type) {
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David Demelier <markand@malikania.fr>
parents:
diff changeset
213 case EVENT_QUIT:
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David Demelier <markand@malikania.fr>
parents:
diff changeset
214 return;
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David Demelier <markand@malikania.fr>
parents:
diff changeset
215 case EVENT_KEYDOWN:
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David Demelier <markand@malikania.fr>
parents:
diff changeset
216 if (ev.key.key == KEY_SPACE && !battle.state)
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David Demelier <markand@malikania.fr>
parents:
diff changeset
217 prepare_to_fight(&battle);
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David Demelier <markand@malikania.fr>
parents:
diff changeset
218 else if (battle.state)
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David Demelier <markand@malikania.fr>
parents:
diff changeset
219 battle_handle(&battle, &ev);
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David Demelier <markand@malikania.fr>
parents:
diff changeset
220 break;
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
221 default:
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
222 if (battle.state)
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David Demelier <markand@malikania.fr>
parents:
diff changeset
223 battle_handle(&battle, &ev);
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
224 break;
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
225 }
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
226 }
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
227
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
228 if (battle.state) {
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David Demelier <markand@malikania.fr>
parents:
diff changeset
229 if (battle_update(&battle, elapsed))
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David Demelier <markand@malikania.fr>
parents:
diff changeset
230 battle_finish(&battle);
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David Demelier <markand@malikania.fr>
parents:
diff changeset
231 else
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David Demelier <markand@malikania.fr>
parents:
diff changeset
232 battle_draw(&battle);
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
233 } else {
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David Demelier <markand@malikania.fr>
parents:
diff changeset
234 painter_set_color(0x4f8fbaff);
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David Demelier <markand@malikania.fr>
parents:
diff changeset
235 painter_clear();
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David Demelier <markand@malikania.fr>
parents:
diff changeset
236 label_draw(&info);
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David Demelier <markand@malikania.fr>
parents:
diff changeset
237 }
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David Demelier <markand@malikania.fr>
parents:
diff changeset
238
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
239 painter_present();
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David Demelier <markand@malikania.fr>
parents:
diff changeset
240
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David Demelier <markand@malikania.fr>
parents:
diff changeset
241 if ((elapsed = clock_elapsed(&clock)) < 20)
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David Demelier <markand@malikania.fr>
parents:
diff changeset
242 delay(1);
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David Demelier <markand@malikania.fr>
parents:
diff changeset
243 }
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
244 }
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
245
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David Demelier <markand@malikania.fr>
parents:
diff changeset
246 static void
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David Demelier <markand@malikania.fr>
parents:
diff changeset
247 quit(void)
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David Demelier <markand@malikania.fr>
parents:
diff changeset
248 {
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David Demelier <markand@malikania.fr>
parents:
diff changeset
249 registry_finish();
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David Demelier <markand@malikania.fr>
parents:
diff changeset
250 theme_finish();
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David Demelier <markand@malikania.fr>
parents:
diff changeset
251 window_finish();
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David Demelier <markand@malikania.fr>
parents:
diff changeset
252 sys_finish();
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
253 }
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
254
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
255 int
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David Demelier <markand@malikania.fr>
parents:
diff changeset
256 main(int argc, char **argv)
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David Demelier <markand@malikania.fr>
parents:
diff changeset
257 {
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David Demelier <markand@malikania.fr>
parents:
diff changeset
258 --argc;
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David Demelier <markand@malikania.fr>
parents:
diff changeset
259 ++argv;
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David Demelier <markand@malikania.fr>
parents:
diff changeset
260
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
261 init();
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David Demelier <markand@malikania.fr>
parents:
diff changeset
262 run();
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David Demelier <markand@malikania.fr>
parents:
diff changeset
263 quit();
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
264
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
265 return 0;
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
266 }