Initial commit

src/tileanimation.h

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+/*
+Minetest
+Copyright (C) 2016 sfan5 <sfan5@live.de>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#pragma once
+
+#include <iostream>
+#include "irrlichttypes_bloated.h"
+
+enum TileAnimationType
+{
+	TAT_NONE = 0,
+	TAT_VERTICAL_FRAMES = 1,
+	TAT_SHEET_2D = 2,
+};
+
+struct TileAnimationParams
+{
+	enum TileAnimationType type;
+	union
+	{
+		// struct {
+		// } none;
+		struct
+		{
+			int aspect_w; // width for aspect ratio
+			int aspect_h; // height for aspect ratio
+			float length; // seconds
+		} vertical_frames;
+		struct
+		{
+			int frames_w;       // number of frames left-to-right
+			int frames_h;       // number of frames top-to-bottom
+			float frame_length; // seconds
+		} sheet_2d;
+	};
+
+	void serialize(std::ostream &os, u16 protocol_ver) const;
+	void deSerialize(std::istream &is, u16 protocol_ver);
+	void determineParams(v2u32 texture_size, int *frame_count, int *frame_length_ms,
+			v2u32 *frame_size) const;
+	void getTextureModifer(std::ostream &os, v2u32 texture_size, int frame) const;
+	v2f getTextureCoords(v2u32 texture_size, int frame) const;
+};