Mercurial > molko

annotate libmlk-rpg/mlk/rpg/battle-indicator.c @ 486:d6757c30658e

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
core: rework errors
author David Demelier <markand@malikania.fr>
date Tue, 28 Feb 2023 13:04:13 +0100
parents bc5483849614
children 2af25db99273
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
192
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
1 /*
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
2 * battle-indicator.c -- drawable for rendering a hp/mp count usage
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
3 *
445
773a082f0b91 misc: update copyright years
David Demelier <markand@malikania.fr>
parents: 434
diff changeset
4 * Copyright (c) 2020-2023 David Demelier <markand@malikania.fr>
192
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
5 *
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
6 * Permission to use, copy, modify, and/or distribute this software for any
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
7 * purpose with or without fee is hereby granted, provided that the above
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
8 * copyright notice and this permission notice appear in all copies.
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
9 *
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
17 */
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
18
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
19 #include <assert.h>
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
20 #include <math.h>
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
21 #include <stdio.h>
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
22 #include <string.h>
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
23
431
8f59201dc76b core: cleanup hierarchy
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
24 #include <mlk/core/color.h>
8f59201dc76b core: cleanup hierarchy
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
25 #include <mlk/core/font.h>
8f59201dc76b core: cleanup hierarchy
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
26 #include <mlk/core/panic.h>
192
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
27
433
862b15c3a3ae ui: cleanup hierarchy
David Demelier <markand@malikania.fr>
parents: 431
diff changeset
28 #include <mlk/ui/theme.h>
192
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
29
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
30 #include "battle-indicator.h"
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
31
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
32 #define THEME(bti) ((bti)->theme ? (bti)->theme : theme_default())
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
33 #define STEP (2)
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
34 #define DELAY (5)
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
35
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
36 static inline unsigned int
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
37 inc(int cmp, int tgt)
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
38 {
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
39 return tgt > cmp ? fmin(cmp + STEP, tgt) : fmax(cmp - STEP, tgt);
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
40 }
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
41
298
196264679079 misc: remove usage of bool
David Demelier <markand@malikania.fr>
parents: 243
diff changeset
42 static inline int
192
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
43 colored(const struct battle_indicator *bti)
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
44 {
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
45 /* Only check r, g, b and ignore alpha. */
461
d7874f11565f core: color -> mlk_color
David Demelier <markand@malikania.fr>
parents: 451
diff changeset
46 return MLK_COLOR_R(bti->cur) == MLK_COLOR_R(bti->color) &&
d7874f11565f core: color -> mlk_color
David Demelier <markand@malikania.fr>
parents: 451
diff changeset
47 MLK_COLOR_G(bti->cur) == MLK_COLOR_G(bti->color) &&
d7874f11565f core: color -> mlk_color
David Demelier <markand@malikania.fr>
parents: 451
diff changeset
48 MLK_COLOR_B(bti->cur) == MLK_COLOR_B(bti->color);
192
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
49 }
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
50
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
51 void
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
52 battle_indicator_start(struct battle_indicator *bti)
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
53 {
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
54 assert(bti);
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
55
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
56 char buf[128];
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
57 const struct theme *theme = THEME(bti);
486
d6757c30658e core: rework errors
David Demelier <markand@malikania.fr>
parents: 472
diff changeset
58 int err;
192
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
59
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
60 snprintf(buf, sizeof (buf), "%u", bti->amount);
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
61
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
62 bti->cur = 0xffffffff;
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
63 bti->elapsed = 0;
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
64 bti->alpha = 250;
431
8f59201dc76b core: cleanup hierarchy
David Demelier <markand@malikania.fr>
parents: 378
diff changeset
65
486
d6757c30658e core: rework errors
David Demelier <markand@malikania.fr>
parents: 472
diff changeset
66 if ((err = mlk_font_render(theme->fonts[THEME_FONT_INTERFACE], &bti->tex[0], buf, bti->cur)) < 0 ||
d6757c30658e core: rework errors
David Demelier <markand@malikania.fr>
parents: 472
diff changeset
67 (err = mlk_font_render(theme->fonts[THEME_FONT_INTERFACE], &bti->tex[1], buf, 0x000000ff)) < 0)
d6757c30658e core: rework errors
David Demelier <markand@malikania.fr>
parents: 472
diff changeset
68 mlk_panic(err);
192
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
69 }
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
70
298
196264679079 misc: remove usage of bool
David Demelier <markand@malikania.fr>
parents: 243
diff changeset
71 int
192
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
72 battle_indicator_completed(const struct battle_indicator *bti)
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
73 {
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
74 assert(battle_indicator_ok(bti));
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
75
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
76 return colored(bti) && bti->alpha == 0;
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
77 }
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
78
298
196264679079 misc: remove usage of bool
David Demelier <markand@malikania.fr>
parents: 243
diff changeset
79 int
192
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
80 battle_indicator_ok(const struct battle_indicator *bti)
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
81 {
472
bc5483849614 core: texture -> mlk_texture
David Demelier <markand@malikania.fr>
parents: 465
diff changeset
82 return bti && mlk_texture_ok(&bti->tex[0]) && mlk_texture_ok(&bti->tex[1]);
192
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
83 }
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
84
298
196264679079 misc: remove usage of bool
David Demelier <markand@malikania.fr>
parents: 243
diff changeset
85 int
192
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
86 battle_indicator_update(struct battle_indicator *bti, unsigned int ticks)
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
87 {
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
88 assert(battle_indicator_ok(bti));
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
89
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
90 bti->elapsed += ticks;
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
91
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
92 if (bti->elapsed > DELAY) {
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
93 bti->elapsed = 0;
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
94
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
95 if (!colored(bti)) {
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
96 /* Update colors first. */
461
d7874f11565f core: color -> mlk_color
David Demelier <markand@malikania.fr>
parents: 451
diff changeset
97 bti->cur = MLK_COLOR_HEX(
d7874f11565f core: color -> mlk_color
David Demelier <markand@malikania.fr>
parents: 451
diff changeset
98 inc(MLK_COLOR_R(bti->cur), MLK_COLOR_R(bti->color)),
d7874f11565f core: color -> mlk_color
David Demelier <markand@malikania.fr>
parents: 451
diff changeset
99 inc(MLK_COLOR_G(bti->cur), MLK_COLOR_G(bti->color)),
d7874f11565f core: color -> mlk_color
David Demelier <markand@malikania.fr>
parents: 451
diff changeset
100 inc(MLK_COLOR_B(bti->cur), MLK_COLOR_B(bti->color)),
192
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
101 255
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
102 );
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
103
472
bc5483849614 core: texture -> mlk_texture
David Demelier <markand@malikania.fr>
parents: 465
diff changeset
104 mlk_texture_set_color_mod(&bti->tex[0], bti->cur);
192
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
105 } else {
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
106 /* Update alpha next. */
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
107 bti->alpha -= 10;
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
108
472
bc5483849614 core: texture -> mlk_texture
David Demelier <markand@malikania.fr>
parents: 465
diff changeset
109 mlk_texture_set_alpha_mod(&bti->tex[0], bti->alpha);
bc5483849614 core: texture -> mlk_texture
David Demelier <markand@malikania.fr>
parents: 465
diff changeset
110 mlk_texture_set_alpha_mod(&bti->tex[1], bti->alpha);
192
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
111 }
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
112 }
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
113
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
114 return battle_indicator_completed(bti);
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
115 }
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
116
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
117 void
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
118 battle_indicator_draw(const struct battle_indicator *bti, int x, int y)
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
119 {
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
120 assert(battle_indicator_ok(bti));
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
121
472
bc5483849614 core: texture -> mlk_texture
David Demelier <markand@malikania.fr>
parents: 465
diff changeset
122 mlk_texture_draw(&bti->tex[1], x + 1, y + 1);
bc5483849614 core: texture -> mlk_texture
David Demelier <markand@malikania.fr>
parents: 465
diff changeset
123 mlk_texture_draw(&bti->tex[0], x, y);
192
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
124 }
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
125
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
126 void
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
127 battle_indicator_finish(struct battle_indicator *bti)
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
128 {
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
129 assert(bti);
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
130
472
bc5483849614 core: texture -> mlk_texture
David Demelier <markand@malikania.fr>
parents: 465
diff changeset
131 mlk_texture_finish(&bti->tex[0]);
bc5483849614 core: texture -> mlk_texture
David Demelier <markand@malikania.fr>
parents: 465
diff changeset
132 mlk_texture_finish(&bti->tex[1]);
192
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
133
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
134 memset(bti, 0, sizeof (*bti));
4ad7420ab678 rpg: add minimalist battle system, continue #2477 @60h
David Demelier <markand@malikania.fr>
parents:
diff changeset
135 }