Mercurial > molko
annotate libcore/core/maths.c @ 121:789b23e01f52
misc: reorganize hierarchy, closes #2490
author | David Demelier <markand@malikania.fr> |
---|---|
date | Mon, 05 Oct 2020 13:25:06 +0200 |
parents | src/core/maths.c@ed1a6bb02a78 |
children | eadfed7674ac |
rev | line source |
---|---|
106
ed1a6bb02a78
inventory_dialog: use a small circle as test
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
1 /* |
ed1a6bb02a78
inventory_dialog: use a small circle as test
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
2 * maths.c -- basic maths |
ed1a6bb02a78
inventory_dialog: use a small circle as test
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
3 * |
ed1a6bb02a78
inventory_dialog: use a small circle as test
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
4 * Copyright (c) 2020 David Demelier <markand@malikania.fr> |
ed1a6bb02a78
inventory_dialog: use a small circle as test
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
5 * |
ed1a6bb02a78
inventory_dialog: use a small circle as test
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
6 * Permission to use, copy, modify, and/or distribute this software for any |
ed1a6bb02a78
inventory_dialog: use a small circle as test
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
7 * purpose with or without fee is hereby granted, provided that the above |
ed1a6bb02a78
inventory_dialog: use a small circle as test
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
8 * copyright notice and this permission notice appear in all copies. |
ed1a6bb02a78
inventory_dialog: use a small circle as test
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
9 * |
ed1a6bb02a78
inventory_dialog: use a small circle as test
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
ed1a6bb02a78
inventory_dialog: use a small circle as test
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
ed1a6bb02a78
inventory_dialog: use a small circle as test
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
ed1a6bb02a78
inventory_dialog: use a small circle as test
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
ed1a6bb02a78
inventory_dialog: use a small circle as test
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
ed1a6bb02a78
inventory_dialog: use a small circle as test
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
ed1a6bb02a78
inventory_dialog: use a small circle as test
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
ed1a6bb02a78
inventory_dialog: use a small circle as test
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
17 */ |
ed1a6bb02a78
inventory_dialog: use a small circle as test
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
18 |
ed1a6bb02a78
inventory_dialog: use a small circle as test
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
19 #include "maths.h" |
ed1a6bb02a78
inventory_dialog: use a small circle as test
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
20 |
ed1a6bb02a78
inventory_dialog: use a small circle as test
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
21 bool |
ed1a6bb02a78
inventory_dialog: use a small circle as test
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
22 maths_is_boxed(int x, int y, unsigned int w, unsigned int h, int px, int py) |
ed1a6bb02a78
inventory_dialog: use a small circle as test
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
23 { |
ed1a6bb02a78
inventory_dialog: use a small circle as test
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
24 return px >= x && |
ed1a6bb02a78
inventory_dialog: use a small circle as test
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
25 py >= y && |
ed1a6bb02a78
inventory_dialog: use a small circle as test
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
26 px <= x + w && |
ed1a6bb02a78
inventory_dialog: use a small circle as test
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
27 py <= y + h; |
ed1a6bb02a78
inventory_dialog: use a small circle as test
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
28 } |
ed1a6bb02a78
inventory_dialog: use a small circle as test
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
29 |
ed1a6bb02a78
inventory_dialog: use a small circle as test
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
30 void |
ed1a6bb02a78
inventory_dialog: use a small circle as test
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
31 maths_centerize(int *x, |
ed1a6bb02a78
inventory_dialog: use a small circle as test
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
32 int *y, |
ed1a6bb02a78
inventory_dialog: use a small circle as test
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
33 unsigned int w, |
ed1a6bb02a78
inventory_dialog: use a small circle as test
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
34 unsigned int h, |
ed1a6bb02a78
inventory_dialog: use a small circle as test
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
35 int px, |
ed1a6bb02a78
inventory_dialog: use a small circle as test
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
36 int py, |
ed1a6bb02a78
inventory_dialog: use a small circle as test
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
37 unsigned int pw, |
ed1a6bb02a78
inventory_dialog: use a small circle as test
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
38 unsigned int ph) |
ed1a6bb02a78
inventory_dialog: use a small circle as test
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
39 { |
ed1a6bb02a78
inventory_dialog: use a small circle as test
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
40 if (x) |
ed1a6bb02a78
inventory_dialog: use a small circle as test
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
41 *x = px + (pw / 2) - (w / 2); |
ed1a6bb02a78
inventory_dialog: use a small circle as test
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
42 if (y) |
ed1a6bb02a78
inventory_dialog: use a small circle as test
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
43 *y = py + (ph / 2) - (h / 2); |
ed1a6bb02a78
inventory_dialog: use a small circle as test
David Demelier <markand@malikania.fr>
parents:
diff
changeset
|
44 } |