text: /*
  -----------------------------------------------------------------------------
  This source file is part of OGRE
      (Object-oriented Graphics Rendering Engine)
  For the latest info, see http://www.ogre3d.org/
  
  Copyright (c) 2000-2011 Torus Knot Software Ltd
  
  Permission is hereby granted, free of charge, to any person obtaining a copy
  of this software and associated documentation files (the "Software"), to deal
  in the Software without restriction, including without limitation the rights
  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  copies of the Software, and to permit persons to whom the Software is
  furnished to do so, subject to the following conditions:
  
  The above copyright notice and this permission notice shall be included in
  all copies or substantial portions of the Software.
  
  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  THE SOFTWARE.
  -----------------------------------------------------------------------------
  */
  #include "OgreStableHeaders.h"
  
  #include "OgreKeyFrame.h"
  #include "OgreAnimationTrack.h"
  #include "OgreHardwareBufferManager.h"
  
  namespace Ogre
  {
      //---------------------------------------------------------------------
      KeyFrame::KeyFrame(const AnimationTrack* parent, Real time) 
          : mTime(time), mParentTrack(parent)
      {
      }
  	//---------------------------------------------------------------------
  	KeyFrame* KeyFrame::_clone(AnimationTrack* newParent) const
  	{
  		return OGRE_NEW KeyFrame(newParent, mTime);
  	}
  	//---------------------------------------------------------------------
  	NumericKeyFrame::NumericKeyFrame(const AnimationTrack* parent, Real time)
  		:KeyFrame(parent, time)
  	{
  	}
  	//---------------------------------------------------------------------
  	const AnyNumeric& NumericKeyFrame::getValue(void) const
  	{
  		return mValue;
  	}
  	//---------------------------------------------------------------------
  	void NumericKeyFrame::setValue(const AnyNumeric& val)
  	{
  		mValue = val;
  	}
      //---------------------------------------------------------------------
  	KeyFrame* NumericKeyFrame::_clone(AnimationTrack* newParent) const
  	{
  		NumericKeyFrame* newKf = OGRE_NEW NumericKeyFrame(newParent, mTime);
  		newKf->mValue = mValue;
  		return newKf;
  	}
      //---------------------------------------------------------------------
  	TransformKeyFrame::TransformKeyFrame(const AnimationTrack* parent, Real time)
  		:KeyFrame(parent, time), mTranslate(Vector3::ZERO), 
  		mScale(Vector3::UNIT_SCALE), mRotate(Quaternion::IDENTITY) 
  	{
  	}
  	//---------------------------------------------------------------------
      void TransformKeyFrame::setTranslate(const Vector3& trans)
      {
          mTranslate = trans;
          if (mParentTrack)
              mParentTrack->_keyFrameDataChanged();
      }
      //---------------------------------------------------------------------
      const Vector3& TransformKeyFrame::getTranslate(void) const
      {
          return mTranslate;
      }
      //---------------------------------------------------------------------
      void TransformKeyFrame::setScale(const Vector3& scale)
      {
          mScale = scale;
          if (mParentTrack)
              mParentTrack->_keyFrameDataChanged();
      }
      //---------------------------------------------------------------------
      const Vector3& TransformKeyFrame::getScale(void) const
      {
          return mScale;
      }
      //---------------------------------------------------------------------
      void TransformKeyFrame::setRotation(const Quaternion& rot)
      {
          mRotate = rot;
          if (mParentTrack)
              mParentTrack->_keyFrameDataChanged();
      }
      //---------------------------------------------------------------------
      const Quaternion& TransformKeyFrame::getRotation(void) const
      {
          return mRotate;
      }
      //---------------------------------------------------------------------
  	KeyFrame* TransformKeyFrame::_clone(AnimationTrack* newParent) const
  	{
  		TransformKeyFrame* newKf = OGRE_NEW TransformKeyFrame(newParent, mTime);
  		newKf->mTranslate = mTranslate;
  		newKf->mScale = mScale;
  		newKf->mRotate = mRotate;
  		return newKf;
  	}
  	//---------------------------------------------------------------------
  	VertexMorphKeyFrame::VertexMorphKeyFrame(const AnimationTrack* parent, Real time)
  		: KeyFrame(parent, time)
  	{
  	}
  	//---------------------------------------------------------------------
  	void VertexMorphKeyFrame::setVertexBuffer(const HardwareVertexBufferSharedPtr& buf)
  	{
  		mBuffer = buf;
  	}
  	//---------------------------------------------------------------------
  	const HardwareVertexBufferSharedPtr& 
  	VertexMorphKeyFrame::getVertexBuffer(void) const
  	{
  		return mBuffer;
  	}
      //---------------------------------------------------------------------
  	KeyFrame* VertexMorphKeyFrame::_clone(AnimationTrack* newParent) const
  	{
  		VertexMorphKeyFrame* newKf = OGRE_NEW VertexMorphKeyFrame(newParent, mTime);
  		newKf->mBuffer = mBuffer;
  		return newKf;
  	}	
  	//---------------------------------------------------------------------
  	VertexPoseKeyFrame::VertexPoseKeyFrame(const AnimationTrack* parent, Real time)
  		:KeyFrame(parent, time)
  	{
  	}
  	//---------------------------------------------------------------------
  	void VertexPoseKeyFrame::addPoseReference(ushort poseIndex, Real influence)
  	{
  		mPoseRefs.push_back(PoseRef(poseIndex, influence));
  	}
  	//---------------------------------------------------------------------
  	void VertexPoseKeyFrame::updatePoseReference(ushort poseIndex, Real influence)
  	{
  		for (PoseRefList::iterator i = mPoseRefs.begin(); i != mPoseRefs.end(); ++i)
  		{
  			if (i->poseIndex == poseIndex)
  			{
  				i->influence = influence;
  				return;
  			}
  		}
  		// if we got here, we didn't find it
  		addPoseReference(poseIndex, influence);
  
  	}
  	//---------------------------------------------------------------------
  	void VertexPoseKeyFrame::removePoseReference(ushort poseIndex)
  	{
  		for (PoseRefList::iterator i = mPoseRefs.begin(); i != mPoseRefs.end(); ++i)
  		{
  			if (i->poseIndex == poseIndex)
  			{
  				mPoseRefs.erase(i);
  				return;
  			}
  		}
  	}
  	//---------------------------------------------------------------------
  	void VertexPoseKeyFrame::removeAllPoseReferences(void)
  	{
  		mPoseRefs.clear();
  	}
  	//---------------------------------------------------------------------
  	const VertexPoseKeyFrame::PoseRefList& 
  	VertexPoseKeyFrame::getPoseReferences(void) const
  	{
  		return mPoseRefs;
  	}
  	//---------------------------------------------------------------------
  	VertexPoseKeyFrame::PoseRefIterator 
  	VertexPoseKeyFrame::getPoseReferenceIterator(void)
  	{
  		return PoseRefIterator(mPoseRefs.begin(), mPoseRefs.end());
  	}
  	//---------------------------------------------------------------------
  	VertexPoseKeyFrame::ConstPoseRefIterator 
  	VertexPoseKeyFrame::getPoseReferenceIterator(void) const
  	{
  		return ConstPoseRefIterator(mPoseRefs.begin(), mPoseRefs.end());
  	}
      //---------------------------------------------------------------------
  	KeyFrame* VertexPoseKeyFrame::_clone(AnimationTrack* newParent) const
  	{
  		VertexPoseKeyFrame* newKf = OGRE_NEW VertexPoseKeyFrame(newParent, mTime);
  		// By-value copy ok
  		newKf->mPoseRefs = mPoseRefs;
  		return newKf;
  	}	
  	//---------------------------------------------------------------------
  	void VertexPoseKeyFrame::_applyBaseKeyFrame(const VertexPoseKeyFrame* base)
  	{
  		// We subtract the matching pose influences in the base keyframe from the
  		// influences in this keyframe
  		for (PoseRefList::iterator i = mPoseRefs.begin(); i != mPoseRefs.end(); ++i)
  		{
  			PoseRef& myPoseRef = *i;
  			
  			VertexPoseKeyFrame::ConstPoseRefIterator basePoseIt = base->getPoseReferenceIterator();
  			Real baseInfluence = 0.0f;
  			while (basePoseIt.hasMoreElements())
  			{
  				const VertexPoseKeyFrame::PoseRef& basePoseRef = basePoseIt.getNext();
  				if (basePoseRef.poseIndex == myPoseRef.poseIndex)
  				{
  					baseInfluence = basePoseRef.influence;
  					break;
  				}
  			}
  			
  			myPoseRef.influence -= baseInfluence;
  			
  		}
  		
  	}
  
  
  }
  
  