/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef TWINE_PARSER_BODY_H
#define TWINE_PARSER_BODY_H

#include "common/array.h"
#include "common/memstream.h"
#include "common/stream.h"
#include "twine/parser/anim.h"
#include "twine/parser/bodytypes.h"
#include "twine/parser/parser.h"
#include "twine/shared.h"

namespace TwinE {

/** Actors animation timer structure */
struct AnimTimerDataStruct {
	const KeyFrame *ptr = nullptr;
	int32 time = 0; // keyframe time
};

class BodyData : public Parser {
private:
	void loadVertices(Common::SeekableReadStream &stream);
	void loadBones(Common::SeekableReadStream &stream);
	void loadNormals(Common::SeekableReadStream &stream);
	void loadPolygons(Common::SeekableReadStream &stream);
	void loadLines(Common::SeekableReadStream &stream);
	void loadSpheres(Common::SeekableReadStream &stream);

	Common::Array<BodyPolygon> _polygons;
	Common::Array<BodyVertex> _vertices;
	Common::Array<BodySphere> _spheres;
	Common::Array<BodyNormal> _normals;
	Common::Array<BodyLine> _lines;
	Common::Array<BodyBone> _bones;

	BoneFrame _boneStates[560];

protected:
	void reset() override;

public:
	bool animated = false;
	AnimTimerDataStruct _animTimerData;

	BoundingBox bbox;
	int16 offsetToData = 0;

	inline bool isAnimated() const {
		return animated;
	}

	inline uint getNumBones() const {
		return _bones.size();
	}

	inline uint getNumVertices() const {
		return _vertices.size();
	}

	BoneFrame *getBoneState(int16 boneIdx) {
		return &_boneStates[boneIdx];
	}

	const BoneFrame *getBoneState(int16 boneIdx) const {
		return &_boneStates[boneIdx];
	}

	const Common::Array<BodyPolygon> &getPolygons() const {
		return _polygons;
	}

	const Common::Array<BodyVertex> &getVertices() const {
		return _vertices;
	}

	const Common::Array<BodySphere> &getSpheres() const {
		return _spheres;
	}

	const Common::Array<BodyNormal> &getNormals() const {
		return _normals;
	}

	const BodyNormal &getNormal(int16 normalIdx) const {
		return _normals[normalIdx];
	}

	const Common::Array<BodyLine> &getLines() const {
		return _lines;
	}

	const Common::Array<BodyBone> &getBones() const {
		return _bones;
	}

	const BodyBone &getBone(int16 boneIdx) const {
		return _bones[boneIdx];
	}

	bool loadFromStream(Common::SeekableReadStream &stream, bool lba1) override;
};

} // End of namespace TwinE

#endif