88 lines
2.5 KiB
C++
88 lines
2.5 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// A class representing an abstract shape (ie drawable object)
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//
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//=============================================================================
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#ifndef DMEFACESET_H
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#define DMEFACESET_H
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#ifdef _WIN32
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#pragma once
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#endif
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#include "datamodel/dmelement.h"
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#include "datamodel/dmattribute.h"
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#include "datamodel/dmattributevar.h"
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#include "tier1/utlvector.h"
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//-----------------------------------------------------------------------------
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// Forward declarations
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//-----------------------------------------------------------------------------
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class CDmeMaterial;
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//-----------------------------------------------------------------------------
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// A class representing a face of a polygonal mesh
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//-----------------------------------------------------------------------------
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class CDmeFaceSet : public CDmElement
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{
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DEFINE_ELEMENT( CDmeFaceSet, CDmElement );
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public:
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// material accessors
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CDmeMaterial *GetMaterial();
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void SetMaterial( CDmeMaterial *pMaterial );
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// Total number of indices in the face set including the -1 end of face designators
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int NumIndices() const;
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const int *GetIndices() const;
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int AddIndices( int nCount );
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void SetIndex( int i, int nValue );
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void SetIndices( int nFirstIndex, int nCount, int *pIndices );
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int GetIndex( int i ) const;
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// Returns the number of vertices in the next polygon
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int GetNextPolygonVertexCount( int nFirstIndex ) const;
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// Returns the number of triangulated indices total
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int GetTriangulatedIndexCount() const;
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// Total number of indices in the face set excluding the -1 end of face designators
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int GetIndexCount() const;
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// Removes multiple faces from the face set
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void RemoveMultiple( int elem, int num );
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// Returns the number of faces in total... This should be the number of -1 indices in the face set
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// Which should equal NumIndices() - GetIndexCount() but this function accounts for
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// empty faces (which aren't counted as faces) and a missing -1 terminator at the end
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int GetFaceCount() const;
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private:
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CDmaArray< int > m_indices;
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CDmaElement< CDmeMaterial > m_material;
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};
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//-----------------------------------------------------------------------------
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// Inline methods
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//-----------------------------------------------------------------------------
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inline int CDmeFaceSet::NumIndices() const
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{
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return m_indices.Count();
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}
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inline const int *CDmeFaceSet::GetIndices() const
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{
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return m_indices.Base();
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}
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inline int CDmeFaceSet::GetIndex( int i ) const
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{
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return m_indices[i];
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}
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#endif // DMEFACESET_H
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