source: downloads/ogre/Tools/XSIExport/include/OgreXSISkeletonExporter.h @ 20

/*
-----------------------------------------------------------------------------
This source file is part of OGRE 
(Object-oriented Graphics Rendering Engine)
For the latest info, see http://www.ogre3d.org/

Copyright (c) 2000-2006 Torus Knot Software Ltd
Also see acknowledgements in Readme.html

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 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., 59 Temple 
Place - Suite 330, Boston, MA 02111-1307, USA, or go to 
http://www.gnu.org/copyleft/lesser.txt.

You may alternatively use this source under the terms of a specific version of
the OGRE Unrestricted License provided you have obtained such a license from
Torus Knot Software Ltd.
-----------------------------------------------------------------------------
*/
#ifndef __XSISKELETONEXPORTER_H__
#define __XSISKELETONEXPORTER_H__

#include "OgrePrerequisites.h"
#include "OgreVector2.h"
#include "OgreVector3.h"
#include "OgreAxisAlignedBox.h"
#include "OgreXSIHelper.h"
#include <xsi_x3dobject.h>
#include <xsi_string.h>
#include <xsi_application.h>
#include <xsi_actionsource.h>
#include <xsi_mixer.h>


namespace Ogre {

        /** Class for performing a skeleton export from XSI.
        */
        class XsiSkeletonExporter
        {
        public:
                XsiSkeletonExporter();
                virtual ~XsiSkeletonExporter();


                /** Export a skeleton to the provided filename.
                @param skeletonFileName The file name to export to
                @param deformers The list of deformers (bones) found during mesh traversal
                @param framesPerSecond The number of frames per second
                @param animList List of animation splits
                @returns AABB derived from bone animations, should be used to pad mesh bounds
                */
                const AxisAlignedBox& exportSkeleton(const String& skeletonFileName, 
                        DeformerMap& deformers, float framesPerSecond, 
                        AnimationList& animList);
        protected:
                // XSI Objects
                XSI::Application mXsiApp;
                XSI::X3DObject mXsiSceneRoot;
                std::map<String, int> mXSITrackTypeNames; 
                // Lower-case version of deformer map (XSI seems to be case insensitive and
                // some animations rely on that!)
                DeformerMap mLowerCaseDeformerMap;
                // Actions created as part of IK sampling, will be deleted afterward
                XSI::CStringArray mIKSampledAnimations;
                AxisAlignedBox mAABB;

                /// Build the bone hierarchy from a simple list of bones
                void buildBoneHierarchy(Skeleton* pSkeleton, DeformerMap& deformers, 
                        AnimationList& animList);
                /** Link the current bone with it's parent
                */
                void linkBoneWithParent(DeformerEntry* deformer, 
                        DeformerMap& deformers, std::list<DeformerEntry*>& deformerList);
                /** Validate and create a bone, or eliminate the current bone if it 
                        has no animated parameters
                */
                void validateAsBone(Skeleton* pSkeleton, DeformerEntry* deformer, 
                        DeformerMap& deformers, std::list<DeformerEntry*>& deformerList, 
                        AnimationList& animList);
                /// Process an action source
                void processActionSource(const XSI::ActionSource& source, DeformerMap& deformers);
                /// Bake animations
                void createAnimations(Skeleton* pSkel, DeformerMap& deformers, 
                        float framesPerSecond, AnimationList& animList, AxisAlignedBox& AABBPadding);
                /// Bake animation tracks by sampling
                void createAnimationTracksSampled(Animation* pAnim, AnimationEntry& animEntry, 
                        DeformerMap& deformers, float fps, AxisAlignedBox& AABBPadding);

                void cleanup(void);
                void copyDeformerMap(DeformerMap& deformers);
                /// Get deformer from passed in map or lower case version
                DeformerEntry* getDeformer(const String& name, DeformerMap& deformers);
                // Sample all bones, and also sample max global bone position for AABB padding
                void sampleAllBones(DeformerMap& deformers, 
                        std::vector<NodeAnimationTrack*> deformerTracks, double frame, 
                        Real time, float fps, AxisAlignedBox& AABBPadding);
                void establishInitialTransforms(DeformerMap& deformers);

        };



}


#endif