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96 lines
3 KiB
C++
96 lines
3 KiB
C++
#ifndef OPENMW_COMPONENTS_NIFOSG_RIGGEOMETRY_H
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#define OPENMW_COMPONENTS_NIFOSG_RIGGEOMETRY_H
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#include <osg/Geometry>
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#include <osg/Matrixf>
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namespace SceneUtil
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{
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class WorkQueue;
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class WorkTicket;
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class Skeleton;
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class Bone;
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/// @brief Mesh skinning implementation.
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/// @note A RigGeometry may be attached directly to a Skeleton, or somewhere below a Skeleton.
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/// Note though that the RigGeometry ignores any transforms below the Skeleton, so the attachment point is not that important.
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/// @note You must use a double buffering scheme for queuing the drawing of RigGeometries, see FrameSwitch, or set their DataVariance to DYNAMIC
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class RigGeometry : public osg::Geometry
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{
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public:
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RigGeometry();
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RigGeometry(const RigGeometry& copy, const osg::CopyOp& copyop);
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META_Object(NifOsg, RigGeometry)
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struct BoneInfluence
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{
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osg::Matrixf mInvBindMatrix;
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osg::BoundingSpheref mBoundSphere;
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// <vertex index, weight>
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std::map<unsigned short, float> mWeights;
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};
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struct InfluenceMap : public osg::Referenced
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{
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std::map<std::string, BoneInfluence> mMap;
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};
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void setInfluenceMap(osg::ref_ptr<InfluenceMap> influenceMap);
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void setSourceGeometry(osg::ref_ptr<osg::Geometry> sourceGeom);
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// Called automatically by our CullCallback
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void update(osg::NodeVisitor* nv);
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// Called by the worker thread
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typedef std::map<Bone*, osg::Matrixf> BoneMatrixMap;
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void updateSkinning(const osg::Matrixf& geomToSkelMatrix, BoneMatrixMap boneMatrices);
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// Called automatically by our UpdateCallback
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void updateBounds(osg::NodeVisitor* nv);
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// Overriding a bunch of Drawable methods to synchronize access to our vertex array
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virtual void drawImplementation(osg::RenderInfo& renderInfo) const;
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virtual void compileGLObjects(osg::RenderInfo& renderInfo) const;
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virtual void accept(osg::PrimitiveFunctor& pf) const;
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virtual void accept(osg::PrimitiveIndexFunctor& pf) const;
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private:
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mutable osg::ref_ptr<WorkTicket> mWorkTicket;
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WorkQueue* mWorkQueue;
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osg::ref_ptr<osg::Geometry> mSourceGeometry;
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Skeleton* mSkeleton;
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osg::ref_ptr<InfluenceMap> mInfluenceMap;
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typedef std::pair<Bone*, osg::Matrixf> BoneBindMatrixPair;
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typedef std::pair<BoneBindMatrixPair, float> BoneWeight;
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typedef std::vector<unsigned short> VertexList;
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typedef std::map<std::vector<BoneWeight>, VertexList> Bone2VertexMap;
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Bone2VertexMap mBone2VertexMap;
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typedef std::map<Bone*, osg::BoundingSpheref> BoneSphereMap;
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BoneSphereMap mBoneSphereMap;
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bool mFirstFrame;
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bool mBoundsFirstFrame;
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bool initFromParentSkeleton(osg::NodeVisitor* nv);
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osg::Matrixf getGeomToSkelMatrix(osg::NodeVisitor* nv);
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void initWorkQueue();
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};
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}
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#endif
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