133 lines
4.0 KiB
C++
133 lines
4.0 KiB
C++
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
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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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//
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// OpenFlight® loader for OpenSceneGraph
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//
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// Copyright (C) 2005-2007 Brede Johansen
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//
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#ifndef FLT_RECORD_H
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#define FLT_RECORD_H 1
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#include <stdexcept>
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#include <string>
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#include <osg/Array>
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#include <osg/Geometry>
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#include <osg/Geode>
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#include <osg/Group>
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#include <osg/MatrixTransform>
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#include "Vertex.h"
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namespace flt
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{
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class RecordInputStream;
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class Document;
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class PrimaryRecord;
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class Matrix;
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#define META_Record(name) \
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virtual flt::Record* cloneType() const { return new name (); } \
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virtual bool isSameKindAs(const flt::Record* rec) const { return dynamic_cast<const name *>(rec)!=NULL; }
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#define META_setID(imp) virtual void setID(const std::string& id) { if (imp.valid()) imp->setName(id); }
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#define META_setComment(imp) virtual void setComment(const std::string& id) { if (imp.valid()) imp->addDescription(id); }
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#define META_setMultitexture(imp) virtual void setMultitexture(osg::StateSet& multitexture) { if (imp.valid()) imp->getOrCreateStateSet()->merge(multitexture); }
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#define META_addChild(imp) virtual void addChild(osg::Node& child) { if (imp.valid()) imp->addChild(&child); }
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#define META_dispose(imp) virtual void dispose(Document&) { if (imp.valid() && _matrix.valid()) insertMatrixTransform(*imp,*_matrix,_numberOfReplications); }
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// pure virtual base class
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class Record : public osg::Referenced
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{
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public:
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Record();
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virtual Record* cloneType() const = 0;
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virtual bool isSameKindAs(const Record* rec) const = 0;
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virtual void read(RecordInputStream& in, Document& document);
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void setParent(PrimaryRecord* parent);
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protected:
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virtual ~Record();
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virtual void readRecord(RecordInputStream& in, Document& document);
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osg::ref_ptr<PrimaryRecord> _parent;
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};
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class PrimaryRecord : public Record
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{
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public:
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PrimaryRecord();
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virtual void read(RecordInputStream& in, Document& document);
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virtual void dispose(Document& /*document*/) {}
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// Ancillary operations
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virtual void setID(const std::string& /*id*/) {}
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virtual void setComment(const std::string& /*comment*/) {}
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virtual void setMultitexture(osg::StateSet& /*multitexture*/) {}
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virtual void addChild(osg::Node& /*child*/) {}
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virtual void addVertex(Vertex& /*vertex*/) {}
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virtual void addVertexUV(int /*layer*/,const osg::Vec2& /*uv*/) {}
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virtual void addMorphVertex(Vertex& /*vertex0*/, Vertex& /*vertex100*/) {}
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void setNumberOfReplications(int num) { _numberOfReplications = num; }
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void setMatrix(const osg::Matrix& matrix) { _matrix = new osg::RefMatrix(matrix); }
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void setLocalVertexPool(VertexList* pool) { _localVertexPool = pool; }
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VertexList* getLocalVertexPool() { return _localVertexPool.get(); }
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protected:
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virtual ~PrimaryRecord() {}
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int _numberOfReplications;
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osg::ref_ptr<osg::RefMatrix> _matrix;
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osg::ref_ptr<VertexList> _localVertexPool;
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};
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/** DummyRecord -
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*/
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class DummyRecord : public Record
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{
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public:
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DummyRecord() {}
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META_Record(DummyRecord)
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protected:
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virtual ~DummyRecord() {}
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};
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void insertMatrixTransform(osg::Node& node, const osg::Matrix& matrix, int numberOfReplications);
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osg::Vec3Array* getOrCreateVertexArray(osg::Geometry& geometry);
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osg::Vec3Array* getOrCreateNormalArray(osg::Geometry& geometry);
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osg::Vec4Array* getOrCreateColorArray(osg::Geometry& geometry);
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osg::Vec2Array* getOrCreateTextureArray(osg::Geometry& geometry, int unit);
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} // end namespace
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#endif
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