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136 lines
4.8 KiB
136 lines
4.8 KiB
/* -*-c++-*- |
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* Copyright (C) 2008 Cedric Pinson <cedric.pinson@plopbyte.net> |
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* |
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* This library is open source and may be redistributed and/or modified under |
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or |
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* (at your option) any later version. The full license is in LICENSE file |
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* included with this distribution, and on the openscenegraph.org website. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* OpenSceneGraph Public License for more details. |
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*/ |
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#ifndef OSGANIMATION_RIGGEOMETRY_H |
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#define OSGANIMATION_RIGGEOMETRY_H |
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#include <osgAnimation/Export> |
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#include <osgAnimation/Skeleton> |
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#include <osgAnimation/RigTransform> |
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#include <osgAnimation/VertexInfluence> |
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#include <osg/Geometry> |
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namespace osgAnimation |
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{ |
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class OSGANIMATION_EXPORT RigGeometry : public osg::Geometry |
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{ |
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public: |
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RigGeometry(); |
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// RigGeometry(const osg::Geometry& b); |
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RigGeometry(const RigGeometry& b, const osg::CopyOp& copyop = osg::CopyOp::SHALLOW_COPY); |
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META_Object(osgAnimation, RigGeometry); |
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void setInfluenceMap(VertexInfluenceMap* vertexInfluenceMap) { _vertexInfluenceMap = vertexInfluenceMap; } |
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const VertexInfluenceMap* getInfluenceMap() const { return _vertexInfluenceMap.get();} |
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VertexInfluenceMap* getInfluenceMap() { return _vertexInfluenceMap.get();} |
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const Skeleton* getSkeleton() const; |
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Skeleton* getSkeleton(); |
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// will be used by the update callback to init correctly the rig mesh |
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void setSkeleton(Skeleton*); |
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void setNeedToComputeMatrix(bool state) { _needToComputeMatrix = state;} |
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bool getNeedToComputeMatrix() const { return _needToComputeMatrix;} |
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// this build the internal database about vertex influence and bones |
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void buildVertexInfluenceSet(); |
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const VertexInfluenceSet& getVertexInfluenceSet() const; |
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void computeMatrixFromRootSkeleton(); |
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// set implementation of rig method |
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void setRigTransformImplementation(RigTransform*); |
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RigTransform* getRigTransformImplementation(); |
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virtual void drawImplementation(osg::RenderInfo& renderInfo) const; |
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void update(); |
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const osg::Matrix& getMatrixFromSkeletonToGeometry() const; |
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const osg::Matrix& getInvMatrixFromSkeletonToGeometry() const; |
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osg::Geometry* getSourceGeometry(); |
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const osg::Geometry* getSourceGeometry() const; |
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void setSourceGeometry(osg::Geometry* geometry); |
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void copyFrom(osg::Geometry& from); |
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protected: |
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osg::ref_ptr<osg::Geometry> _geometry; |
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osg::ref_ptr<RigTransform> _rigTransformImplementation; |
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VertexInfluenceSet _vertexInfluenceSet; |
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osg::ref_ptr<VertexInfluenceMap> _vertexInfluenceMap; |
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osg::Matrix _matrixFromSkeletonToGeometry; |
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osg::Matrix _invMatrixFromSkeletonToGeometry; |
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osg::observer_ptr<Skeleton> _root; |
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bool _needToComputeMatrix; |
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struct FindNearestParentSkeleton : public osg::NodeVisitor |
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{ |
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osg::ref_ptr<Skeleton> _root; |
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FindNearestParentSkeleton() : osg::NodeVisitor(osg::NodeVisitor::TRAVERSE_PARENTS) {} |
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void apply(osg::Transform& node) |
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{ |
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if (_root.valid()) |
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return; |
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_root = dynamic_cast<osgAnimation::Skeleton*>(&node); |
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traverse(node); |
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} |
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}; |
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struct UpdateVertex : public osg::Drawable::UpdateCallback |
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{ |
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virtual void update(osg::NodeVisitor*, osg::Drawable* drw) |
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{ |
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RigGeometry* geom = dynamic_cast<RigGeometry*>(drw); |
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if (!geom) |
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return; |
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if (!geom->getSkeleton() && !geom->getParents().empty()) |
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{ |
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FindNearestParentSkeleton finder; |
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if (geom->getParents().size() > 1) |
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osg::notify(osg::WARN) << "A RigGeometry should not have multi parent ( " << geom->getName() << " )" << std::endl; |
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geom->getParents()[0]->accept(finder); |
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if (!finder._root.valid()) |
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{ |
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osg::notify(osg::WARN) << "A RigGeometry did not find a parent skeleton for RigGeomtry ( " << geom->getName() << " )" << std::endl; |
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return; |
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} |
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geom->buildVertexInfluenceSet(); |
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geom->setSkeleton(finder._root.get()); |
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} |
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if (!geom->getSkeleton()) |
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return; |
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if (geom->getNeedToComputeMatrix()) |
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geom->computeMatrixFromRootSkeleton(); |
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geom->update(); |
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} |
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}; |
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}; |
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} |
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#endif
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