// Residual - Virtual machine to run LucasArts' 3D adventure games
// Copyright (C) 2003-2004 The ScummVM-Residual Team (www.scummvm.org)
//
//  This library 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 library 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 library; if not, write to the Free Software
//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA

#ifndef KEYFRAME_H
#define KEYFRAME_H

#include "vector3d.h"
#include "resource.h"
#include "model.h"

class TextSplitter;

class KeyframeAnim : public Resource {
public:
	KeyframeAnim(const char *filename, const char *data, int len);
	~KeyframeAnim();

	void loadBinary(const char *data, int len);
	void loadText(TextSplitter &ts);
	void animate(Model::HierNode *nodes, float time,
		int priority1 = 1, int priority2 = 5) const;

	float length() const { return numFrames_ / fps_; }

private:
	int flags_, type_, numFrames_, numJoints_;
	float fps_;
	int numMarkers_;

	struct Marker {
		float frame_;
		int val_;
	};
	Marker *markers_;

	struct KeyframeEntry {
		void loadBinary(const char *&data);

		float frame_;
		int flags_;
		Vector3d pos_, dpos_;
		float pitch_, yaw_, roll_, dpitch_, dyaw_, droll_;
	};

	struct KeyframeNode {
		void loadBinary(const char *&data);
		void loadText(TextSplitter &ts);
		~KeyframeNode();

		void animate(Model::HierNode &node, float frame, int priority) const;
		char meshName_[32];
		int numEntries_;
		KeyframeEntry *entries_;
	};

	KeyframeNode **nodes_;
};

#endif