CSM: Fix crashing minetest.get_item_def()
[oweals/minetest.git] / src / tileanimation.h
1 /*
2 Minetest
3 Copyright (C) 2016 sfan5 <sfan5@live.de>
4
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU Lesser General Public License as published by
7 the Free Software Foundation; either version 2.1 of the License, or
8 (at your option) any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13 GNU Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public License along
16 with this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 */
19
20 #pragma once
21
22 #include <iostream>
23 #include "irrlichttypes_bloated.h"
24
25 enum TileAnimationType
26 {
27         TAT_NONE = 0,
28         TAT_VERTICAL_FRAMES = 1,
29         TAT_SHEET_2D = 2,
30 };
31
32 struct TileAnimationParams
33 {
34         enum TileAnimationType type;
35         union
36         {
37                 // struct {
38                 // } none;
39                 struct
40                 {
41                         int aspect_w; // width for aspect ratio
42                         int aspect_h; // height for aspect ratio
43                         float length; // seconds
44                 } vertical_frames;
45                 struct
46                 {
47                         int frames_w;       // number of frames left-to-right
48                         int frames_h;       // number of frames top-to-bottom
49                         float frame_length; // seconds
50                 } sheet_2d;
51         };
52
53         void serialize(std::ostream &os, u8 tiledef_version) const;
54         void deSerialize(std::istream &is, u8 tiledef_version);
55         void determineParams(v2u32 texture_size, int *frame_count, int *frame_length_ms,
56                         v2u32 *frame_size) const;
57         void getTextureModifer(std::ostream &os, v2u32 texture_size, int frame) const;
58         v2f getTextureCoords(v2u32 texture_size, int frame) const;
59 };