222 lines
10 KiB
Plaintext
222 lines
10 KiB
Plaintext
//C++ header - Open Scene Graph - Copyright (C) 1998-2002 Robert Osfield
|
|
//Distributed under the terms of the GNU Library General Public License (LGPL)
|
|
//as published by the Free Software Foundation.
|
|
|
|
#ifndef OSG_GEOMETRY
|
|
#define OSG_GEOMETRY 1
|
|
|
|
#include <osg/Drawable>
|
|
#include <osg/Vec2>
|
|
#include <osg/Vec3>
|
|
#include <osg/Vec4>
|
|
#include <osg/Array>
|
|
#include <osg/PrimitiveSet>
|
|
|
|
namespace osg {
|
|
|
|
|
|
class SG_EXPORT Geometry : public Drawable
|
|
{
|
|
public:
|
|
|
|
Geometry();
|
|
|
|
/** Copy constructor using CopyOp to manage deep vs shallow copy.*/
|
|
Geometry(const Geometry& geometry,const CopyOp& copyop=CopyOp::SHALLOW_COPY);
|
|
|
|
virtual Object* cloneType() const { return new Geometry(); }
|
|
virtual Object* clone(const CopyOp& copyop) const { return new Geometry(*this,copyop); }
|
|
virtual bool isSameKindAs(const Object* obj) const { return dynamic_cast<const Geometry*>(obj)!=NULL; }
|
|
virtual const char* libraryName() const { return "osg"; }
|
|
virtual const char* className() const { return "Geometry"; }
|
|
|
|
virtual Geometry* asGeometry() { return this; }
|
|
virtual const Geometry* asGeometry() const { return this; }
|
|
|
|
enum AttributeBinding
|
|
{
|
|
BIND_OFF=0,
|
|
BIND_OVERALL,
|
|
BIND_PER_PRIMITIVE_SET,
|
|
BIND_PER_PRIMITIVE,
|
|
BIND_PER_VERTEX
|
|
};
|
|
|
|
void setVertexArray(Vec3Array* array) { _vertexArray = array; dirtyDisplayList(); dirtyBound(); }
|
|
Vec3Array* getVertexArray() { return _vertexArray.get(); }
|
|
const Vec3Array* getVertexArray() const { return _vertexArray.get(); }
|
|
|
|
void setVertexIndices(IndexArray* array) { _vertexIndices = array; _fastPathComputed=false; dirtyDisplayList(); dirtyBound(); }
|
|
IndexArray* getVertexIndices() { return _vertexIndices.get(); }
|
|
const IndexArray* getVertexIndices() const { return _vertexIndices.get(); }
|
|
|
|
|
|
void setNormalBinding(AttributeBinding ab) { _normalBinding = ab; dirtyDisplayList(); _fastPathComputed=false; }
|
|
AttributeBinding getNormalBinding() const { return _normalBinding; }
|
|
|
|
void setNormalArray(Vec3Array* array) { _normalArray = array; if (!_normalArray.valid()) _normalBinding=BIND_OFF; _fastPathComputed=false; dirtyDisplayList(); }
|
|
Vec3Array* getNormalArray() { return _normalArray.get(); }
|
|
const Vec3Array* getNormalArray() const { return _normalArray.get(); }
|
|
|
|
void setNormalIndices(IndexArray* array) { _normalIndices = array; _fastPathComputed=false; dirtyDisplayList(); }
|
|
IndexArray* getNormalIndices() { return _normalIndices.get(); }
|
|
const IndexArray* getNormalIndices() const { return _normalIndices.get(); }
|
|
|
|
|
|
void setColorBinding(AttributeBinding ab) { _colorBinding = ab; _fastPathComputed=false;}
|
|
AttributeBinding getColorBinding() const { return _colorBinding; }
|
|
|
|
void setColorArray(Array* array) { _colorArray = array; if (!_colorArray.valid()) _colorBinding=BIND_OFF; _fastPathComputed=false; dirtyDisplayList(); }
|
|
Array* getColorArray() { return _colorArray.get(); }
|
|
const Array* getColorArray() const { return _colorArray.get(); }
|
|
|
|
void setColorIndices(IndexArray* array) { _colorIndices = array; _fastPathComputed=false; dirtyDisplayList(); }
|
|
IndexArray* getColorIndices() { return _colorIndices.get(); }
|
|
const IndexArray* getColorIndices() const { return _colorIndices.get(); }
|
|
|
|
|
|
void setSecondaryColorBinding(AttributeBinding ab) { _secondaryColorBinding = ab; _fastPathComputed=false;}
|
|
AttributeBinding getSecondaryColorBinding() const { return _secondaryColorBinding; }
|
|
|
|
void setSecondaryColorArray(Array* array) { _secondaryColorArray = array; if (!_secondaryColorArray.valid()) _secondaryColorBinding=BIND_OFF; _fastPathComputed=false; dirtyDisplayList(); }
|
|
Array* getSecondaryColorArray() { return _secondaryColorArray.get(); }
|
|
const Array* getSecondaryColorArray() const { return _secondaryColorArray.get(); }
|
|
|
|
void setSecondaryColorIndices(IndexArray* array) { _secondaryColorIndices = array; _fastPathComputed=false; dirtyDisplayList(); }
|
|
IndexArray* getSecondaryColorIndices() { return _secondaryColorIndices.get(); }
|
|
const IndexArray* getSecondaryColorIndices() const { return _secondaryColorIndices.get(); }
|
|
|
|
|
|
void setFogCoordBinding(AttributeBinding ab) { _fogCoordBinding = ab; _fastPathComputed=false;}
|
|
AttributeBinding getFogCoordBinding() const { return _fogCoordBinding; }
|
|
|
|
void setFogCoordArray(Array* array) { _fogCoordArray = array; if (!_fogCoordArray.valid()) _fogCoordBinding=BIND_OFF; dirtyDisplayList(); }
|
|
Array* getFogCoordArray() { return _fogCoordArray.get(); }
|
|
const Array* getFogCoordArray() const { return _fogCoordArray.get(); }
|
|
|
|
|
|
void setFogCoordIndices(IndexArray* array) { _fogCoordIndices = array; dirtyDisplayList(); }
|
|
IndexArray* getFogCoordIndices() { return _fogCoordIndices.get(); }
|
|
const IndexArray* getFogCoordIndices() const { return _fogCoordIndices.get(); }
|
|
|
|
|
|
|
|
typedef std::pair< ref_ptr<Array>, ref_ptr<IndexArray> > TexCoordArrayPair;
|
|
typedef std::vector< TexCoordArrayPair > TexCoordArrayList;
|
|
|
|
|
|
void setTexCoordArray(unsigned int unit,Array*);
|
|
Array* getTexCoordArray(unsigned int unit);
|
|
const Array* getTexCoordArray(unsigned int unit) const;
|
|
|
|
void setTexCoordIndices(unsigned int unit,IndexArray*);
|
|
IndexArray* getTexCoordIndices(unsigned int unit);
|
|
const IndexArray* getTexCoordIndices(unsigned int unit) const;
|
|
|
|
unsigned int getNumTexCoordArrays() const { return _texCoordList.size(); }
|
|
TexCoordArrayList& getTexCoordArrayList() { return _texCoordList; }
|
|
const TexCoordArrayList& getTexCoordArrayList() const { return _texCoordList; }
|
|
|
|
|
|
typedef std::vector< ref_ptr<PrimitiveSet> > PrimitiveSetList;
|
|
|
|
void setPrimitiveSetList(const PrimitiveSetList& primitives) { _primitives = primitives; dirtyDisplayList(); dirtyBound(); }
|
|
PrimitiveSetList& getPrimitiveSetList() { return _primitives; }
|
|
const PrimitiveSetList& getPrimitiveSetList() const { return _primitives; }
|
|
|
|
unsigned int getNumPrimitiveSets() const { return _primitives.size(); }
|
|
PrimitiveSet* getPrimitiveSet(unsigned int pos) { return _primitives[pos].get(); }
|
|
const PrimitiveSet* getPrimitiveSet(unsigned int pos) const { return _primitives[pos].get(); }
|
|
|
|
/** Add a primitive set to the geometry.*/
|
|
bool addPrimitiveSet(PrimitiveSet* primitiveset);
|
|
|
|
/** Set a primitive set to the specified position in geometry's primitive set list.*/
|
|
bool setPrimitiveSet(unsigned int i,PrimitiveSet* primitiveset);
|
|
|
|
/** Insert a primitive set to the specified position in geometry's primitive set list.*/
|
|
bool insertPrimitiveSet(unsigned int i,PrimitiveSet* primitiveset);
|
|
|
|
/** Remove primitive set(s) from the specified position in geometry's primitive set list.*/
|
|
bool removePrimitiveSet(unsigned int i,unsigned int numElementsToRemove=1);
|
|
|
|
/** Get the index number of a primitive set, return a value between
|
|
* 0 and getNumPrimitiveSet()-1 if found, if not found then return getNumPrimitiveSet().
|
|
* When checking for a valid find value use if ((value=geoemtry->getPrimitiveSetIndex(primitive))!=geometry.getNumPrimitiveSet()) as*/
|
|
unsigned int getPrimitiveSetIndex(const PrimitiveSet* primitiveset) const;
|
|
|
|
|
|
/** return true if OpenGL fast paths will be used with drawing this Geometry.
|
|
* Fast paths use vertex arrays, and glDrawArrays/glDrawElements. Slow paths
|
|
* use glBegin()/glVertex.../glEnd(). Use of per primitive bindings or per vertex indexed
|
|
* arrays will drop the rendering path off the fast path.*/
|
|
bool areFastPathsUsed() const;
|
|
|
|
|
|
bool verifyBindings() const;
|
|
void computeCorrectBindingsAndArraySizes();
|
|
|
|
|
|
/** draw Geometry directly ignoring an OpenGL display list which could be attached.
|
|
* This is the internal draw method which does the drawing itself,
|
|
* and is the method to override when deriving from Geometry for user-drawn objects.
|
|
*/
|
|
virtual void drawImplementation(State& state) const;
|
|
|
|
/** return true, osg::Geometry does support accept(AttributeFunctor&).*/
|
|
virtual bool supports(AttributeFunctor&) const { return true; }
|
|
|
|
/** accept an AttributeFunctor and call its methods to tell it about the interal attributes that this Drawable has.*/
|
|
virtual void accept(AttributeFunctor& af);
|
|
|
|
/** return true, osg::Geometry does support accept(ConstAttributeFunctor&).*/
|
|
virtual bool supports(ConstAttributeFunctor&) const { return true; }
|
|
|
|
/** accept an ConstAttributeFunctor and call its methods to tell it about the interal attributes that this Drawable has.*/
|
|
virtual void accept(ConstAttributeFunctor& af) const;
|
|
|
|
/** return true, osg::Geometry does support accept(PrimitiveFunctor&) .*/
|
|
virtual bool supports(PrimitiveFunctor&) const { return true; }
|
|
|
|
/** accept a PrimitiveFunctor and call its methods to tell it about the interal primitives that this Drawable has.*/
|
|
virtual void accept(PrimitiveFunctor& pf) const;
|
|
|
|
protected:
|
|
|
|
Geometry& operator = (const Geometry&) { return *this;}
|
|
|
|
virtual ~Geometry();
|
|
|
|
PrimitiveSetList _primitives;
|
|
|
|
ref_ptr<Vec3Array> _vertexArray;
|
|
ref_ptr<IndexArray> _vertexIndices;
|
|
|
|
mutable AttributeBinding _normalBinding;
|
|
ref_ptr<Vec3Array> _normalArray;
|
|
ref_ptr<IndexArray> _normalIndices;
|
|
|
|
mutable AttributeBinding _colorBinding;
|
|
ref_ptr<Array> _colorArray;
|
|
ref_ptr<IndexArray> _colorIndices;
|
|
|
|
mutable AttributeBinding _secondaryColorBinding;
|
|
ref_ptr<Array> _secondaryColorArray;
|
|
ref_ptr<IndexArray> _secondaryColorIndices;
|
|
|
|
mutable AttributeBinding _fogCoordBinding;
|
|
ref_ptr<Array> _fogCoordArray;
|
|
ref_ptr<IndexArray> _fogCoordIndices;
|
|
|
|
TexCoordArrayList _texCoordList;
|
|
|
|
mutable bool _fastPathComputed;
|
|
mutable bool _fastPath;
|
|
|
|
};
|
|
|
|
|
|
}
|
|
|
|
#endif
|