Mercurial > molko

annotate libmlk-rpg/mlk/rpg/battle-entity-state-moving.c @ 434:4e78f045e8c0

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
rpg: cleanup hierarchy
author David Demelier <markand@malikania.fr>
date Sat, 15 Oct 2022 21:24:17 +0200
parents src/libmlk-rpg/rpg/battle-entity-state-moving.c@8f59201dc76b
children 25a56ca53ac2
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
230
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
1 /*
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
2 * battle-entity-state-moving.c -- the entity is moving
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
3 *
378
460c78706989 misc: update copyright years
David Demelier <markand@malikania.fr>
parents: 320
diff changeset
4 * Copyright (c) 2020-2022 David Demelier <markand@malikania.fr>
230
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
5 *
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
6 * Permission to use, copy, modify, and/or distribute this software for any
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
7 * purpose with or without fee is hereby granted, provided that the above
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
8 * copyright notice and this permission notice appear in all copies.
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
9 *
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
17 */
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
18
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
19 #include <assert.h>
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
20 #include <math.h>
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
21 #include <stdlib.h>
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
22
431
8f59201dc76b core: cleanup hierarchy
David Demelier <markand@malikania.fr>
parents: 384
diff changeset
23 #include <mlk/core/alloc.h>
8f59201dc76b core: cleanup hierarchy
David Demelier <markand@malikania.fr>
parents: 384
diff changeset
24 #include <mlk/core/panic.h>
230
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
25
384
c458441ff472 rpg: more asserts, const and cleanups
David Demelier <markand@malikania.fr>
parents: 383
diff changeset
26 #include "battle-entity-state-moving.h"
230
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
27 #include "battle-entity-state.h"
384
c458441ff472 rpg: more asserts, const and cleanups
David Demelier <markand@malikania.fr>
parents: 383
diff changeset
28 #include "battle-entity.h"
230
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
29 #include "character.h"
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
30 #include "walksprite.h"
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
31
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
32 #define SPEED 800
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
33 #define SEC 1000
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
34 #define WALK 40
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
35
383
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
36 struct self {
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
37 struct battle_entity_state_moving data;
230
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
38 struct battle_entity_state state;
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
39 };
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
40
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
41 static inline unsigned int
383
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
42 orientation(const struct battle_entity_state_moving *mv, const struct battle_entity *et)
230
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
43 {
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
44 /* TODO: support diagonal. */
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
45 /* See: walksprite definitions. */
383
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
46 return mv->x < et->x ? 6 : 2;
230
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
47 }
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
48
298
196264679079 misc: remove usage of bool
David Demelier <markand@malikania.fr>
parents: 254
diff changeset
49 static int
230
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
50 update(struct battle_entity_state *st, struct battle_entity *et, unsigned int ticks)
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
51 {
383
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
52 return battle_entity_state_moving_update(st->data, et, ticks);
230
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
53 }
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
54
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
55 static void
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
56 draw(const struct battle_entity_state *st, const struct battle_entity *et)
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
57 {
383
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
58 battle_entity_state_moving_draw(st->data, et);
230
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
59 }
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
60
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
61 static void
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
62 finish(struct battle_entity_state *st, struct battle_entity *et)
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
63 {
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
64 (void)et;
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
65
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
66 free(st->data);
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
67 }
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
68
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
69 void
383
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
70 battle_entity_state_moving_init(struct battle_entity_state_moving *mv, struct battle_entity *et, int dstx, int dsty)
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
71 {
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
72 assert(mv);
384
c458441ff472 rpg: more asserts, const and cleanups
David Demelier <markand@malikania.fr>
parents: 383
diff changeset
73 assert(battle_entity_ok(et));
383
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
74
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
75 walksprite_init(&mv->ws, et->ch->sprites[CHARACTER_SPRITE_NORMAL], 40);
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
76 mv->x = dstx;
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
77 mv->y = dsty;
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
78 }
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
79
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
80 int
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
81 battle_entity_state_moving_update(struct battle_entity_state_moving *mv, struct battle_entity *et, unsigned int ticks)
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
82 {
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
83 assert(mv);
384
c458441ff472 rpg: more asserts, const and cleanups
David Demelier <markand@malikania.fr>
parents: 383
diff changeset
84 assert(battle_entity_ok(et));
383
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
85
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
86 int step_x, step_y, delta_x, delta_y;
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
87
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
88 delta_x = mv->x < et->x ? -1 : +1;
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
89 delta_y = mv->y < et->y ? -1 : +1;
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
90 step_x = fmin(SPEED * ticks / SEC, abs(et->x - mv->x));
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
91 step_y = fmin(SPEED * ticks / SEC, abs(et->y - mv->y));
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
92
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
93 et->x += delta_x * step_x;
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
94 et->y += delta_y * step_y;
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
95
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
96 if (et->x != mv->x || et->y != mv->y)
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
97 walksprite_update(&mv->ws, ticks);
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
98 else
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
99 walksprite_reset(&mv->ws);
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
100
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
101 return et->x == mv->x && et->y == mv->y;
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
102 }
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
103
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
104 void
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
105 battle_entity_state_moving_draw(const struct battle_entity_state_moving *mv, const struct battle_entity *et)
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
106 {
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
107 assert(mv);
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
108 assert(battle_entity_ok(et));
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
109
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
110 /* TODO: compute orientation. */
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
111 walksprite_draw(&mv->ws, orientation(mv, et), et->x, et->y);
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
112 }
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
113
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
114 void
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
115 battle_entity_state_moving(struct battle_entity *et, int dstx, int dsty)
230
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
116 {
384
c458441ff472 rpg: more asserts, const and cleanups
David Demelier <markand@malikania.fr>
parents: 383
diff changeset
117 assert(battle_entity_ok(et));
230
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
118
383
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
119 struct self *self;
230
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
120
383
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
121 self = alloc_new0(sizeof (*self));
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
122 self->state.data = self;
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
123 self->state.update = update;
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
124 self->state.draw = draw;
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
125 self->state.finish = finish;
230
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
126
383
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
127 battle_entity_state_moving_init(&self->data, et, dstx, dsty);
b944cd41e8f9 rpg: do the same for battle entities
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
128 battle_entity_switch(et, &self->state);
230
86b71e1f9dd5 rpg: add movements in battle
David Demelier <markand@malikania.fr>
parents:
diff changeset
129 }