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 };
60