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annotate src/libmlk-adventure/adventure/action/spawner.c @ 320:8f9937403749

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misc: improve loading of data
author David Demelier <markand@malikania.fr>
date Fri, 01 Oct 2021 20:30:00 +0200
parents libmlk-adventure/adventure/action/spawner.c@1a6125ffebff
children
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1 /*
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2 * spawner.c -- spawn battle while moving
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3 *
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4 * Copyright (c) 2020-2021 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 <math.h>
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21 #include <stdlib.h>
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22
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23 #include <core/alloc.h>
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24 #include <core/game.h>
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25 #include <core/util.h>
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26
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27 #include <rpg/battle.h>
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28 #include <rpg/character.h>
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29 #include <rpg/map.h>
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30
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31 #include <adventure/molko.h>
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32
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33 #include <adventure/character/black-cat.h>
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34
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35 #include "spawner.h"
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37 static inline unsigned int
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38 distance(const struct spawner *s)
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39 {
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40 unsigned int gap_x = fmax(s->last_x, s->map->player_x) -
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41 fmin(s->last_x, s->map->player_x);
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42 unsigned int gap_y = fmax(s->last_y, s->map->player_y) -
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43 fmin(s->last_y, s->map->player_y);
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44
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45 return fmin(s->steps, gap_x + gap_y);
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46 }
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47
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48 static void
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49 fight(struct spawner *s)
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50 {
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51 (void)s;
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52
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53 struct battle *bt;
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54
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55 bt = alloc_new0(sizeof (*bt));
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56
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57 bt->enemies[0].ch = alloc_dup(&character_black_cat, sizeof (character_black_cat));
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58 bt->enemies[0].x = 400;
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59 bt->enemies[0].y = 50;
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60 bt->enemies[1].ch = alloc_dup(&character_black_cat, sizeof (character_black_cat));
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61 bt->enemies[1].x = 200;
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62 bt->enemies[1].y = 100;
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63
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64 bt->inventory = &molko.inventory;
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65
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66 for (size_t i = 0; i < TEAM_MEMBER_MAX; ++i) {
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67 if (molko.team.members[i]) {
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68 bt->team[i].ch = alloc_dup(molko.team.members[i], sizeof (*molko.team.members[i]));
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69 character_reset(bt->team[i].ch);
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70 bt->team[i].ch->hp = bt->team[i].ch->hpmax;
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71 bt->team[i].ch->mp = bt->team[i].ch->mpmax;
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72 }
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73 }
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74
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75 molko_fight(bt);
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76 }
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78 static int
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79 update(struct action *act, unsigned int ticks)
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80 {
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81 (void)ticks;
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82
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83 struct spawner *s = act->data;
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84
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85 if (s->map->player_movement) {
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86 s->steps -= distance(s);
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87 s->last_x = s->map->player_x;
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88 s->last_y = s->map->player_y;
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89
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90 if (s->steps == 0) {
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91 spawner_init(s);
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92 fight(s);
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93 }
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94 }
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95
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96 return 0;
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97 }
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99 void
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100 spawner_init(struct spawner *s)
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101 {
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102 assert(s);
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103
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104 s->last_x = s->map->player_x;
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105 s->last_y = s->map->player_y;
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106 s->steps = util_nrand(s->low, s->high);
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107 }
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109 struct action *
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110 spawner_action(struct spawner *s)
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111 {
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112 assert(s);
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114 s->action.data = s;
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115 s->action.update = update;
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116
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117 spawner_init(s);
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118
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119 return &s->action;
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120 }