/**********************************************************************
 *
 *	FILE:			AnimationPath.cpp
 *
 *	DESCRIPTION:	Read/Write osg::AnimationPath in binary format to disk.
 *
 *	CREATED BY:		Auto generated by iveGenerate
 *					and later modified by Rune Schmidt Jensen.
 *
 *	HISTORY:		Created 25.3.2003
 *
 *	Copyright 2003 VR-C
 **********************************************************************/

#include "Exception.h"
#include "AnimationPath.h"
#include "Object.h"

using namespace ive;

void AnimationPath::write(DataOutputStream* out){
	// Write AnimationPath's identification.
	out->writeInt(IVEANIMATIONPATH);
	// If the osg class is inherited by any other class we should also write this to file.
	osg::Object*  obj = dynamic_cast<osg::Object*>(this);
	if(obj){
		((ive::Object*)(obj))->write(out);
	}
	else
		throw Exception("AnimationPath::write(): Could not cast this osg::AnimationPath to an osg::Object.");
	// Write AnimationPath's properties.

	// Write loopmode
	out->writeInt(getLoopMode());
	// Write control points
	AnimationPath::TimeControlPointMap tcpm = getTimeControlPointMap();
	out->writeInt(tcpm.size());
    for(AnimationPath::TimeControlPointMap::iterator itr=tcpm.begin(); itr!=tcpm.end(); ++itr){
		out->writeFloat(itr->first);
		out->writeVec3(itr->second._position);
		out->writeQuat(itr->second._rotation);
		out->writeVec3(itr->second._scale);
    }
}

void AnimationPath::read(DataInputStream* in){
	// Peek on AnimationPath's identification.
	int id = in->peekInt();
	if(id == IVEANIMATIONPATH){
		// Read AnimationPath's identification.
		id = in->readInt();
		// If the osg class is inherited by any other class we should also read this from file.
		osg::Object*  obj = dynamic_cast<osg::Object*>(this);
		if(obj){
			((ive::Object*)(obj))->read(in);
		}
		else
			throw Exception("AnimationPath::read(): Could not cast this osg::AnimationPath to an osg::Object.");
		// Read AnimationPath's properties

		// Read loopmode
		setLoopMode((osg::AnimationPath::LoopMode)in->readInt());
		// Read control points
		int size = in->readInt();
		for(int i=0;i<size;i++){
			float time = in->readFloat();
			osg::Vec3 pos = in->readVec3();
			osg::Quat rot = in->readQuat();
			osg::Vec3 scale = in->readVec3();
			insert(time, osg::AnimationPath::ControlPoint(pos, rot, scale));
		}
	}
	else{
		throw Exception("AnimationPath::read(): Expected AnimationPath identification.");
	}
}
