1 files changed, 87 insertions, 0 deletions
diff --git a/public/movieobjects/dmefaceset.h b/public/movieobjects/dmefaceset.h
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+++ b/public/movieobjects/dmefaceset.h
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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// A class representing an abstract shape (ie drawable object)
+//
+//=============================================================================
+
+#ifndef DMEFACESET_H
+#define DMEFACESET_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include "datamodel/dmelement.h"
+#include "datamodel/dmattribute.h"
+#include "datamodel/dmattributevar.h"
+#include "tier1/utlvector.h"
+
+
+//-----------------------------------------------------------------------------
+// Forward declarations
+//-----------------------------------------------------------------------------
+class CDmeMaterial;
+
+
+//-----------------------------------------------------------------------------
+// A class representing a face of a polygonal mesh
+//-----------------------------------------------------------------------------
+class CDmeFaceSet : public CDmElement
+{
+	DEFINE_ELEMENT( CDmeFaceSet, CDmElement );
+
+public:
+	// material accessors
+	CDmeMaterial *GetMaterial();
+	void SetMaterial( CDmeMaterial *pMaterial );
+
+	// Total number of indices in the face set including the -1 end of face designators
+	int NumIndices() const;
+	const int *GetIndices() const;
+	int AddIndices( int nCount );
+	void SetIndex( int i, int nValue );
+	void SetIndices( int nFirstIndex, int nCount, int *pIndices );
+	int GetIndex( int i ) const;
+
+	// Returns the number of vertices in the next polygon
+	int GetNextPolygonVertexCount( int nFirstIndex ) const;
+
+	// Returns the number of triangulated indices total
+	int GetTriangulatedIndexCount() const;
+
+	// Total number of indices in the face set excluding the -1 end of face designators
+	int GetIndexCount() const;
+
+	// Removes multiple faces from the face set
+	void RemoveMultiple( int elem, int num );
+
+	// Returns the number of faces in total... This should be the number of -1 indices in the face set
+	// Which should equal  NumIndices() - GetIndexCount() but this function accounts for
+	// empty faces (which aren't counted as faces) and a missing -1 terminator at the end
+	int GetFaceCount() const;
+
+private:
+	CDmaArray< int > m_indices;
+	CDmaElement< CDmeMaterial > m_material;
+};
+
+
+//-----------------------------------------------------------------------------
+// Inline methods
+//-----------------------------------------------------------------------------
+inline int CDmeFaceSet::NumIndices() const
+{
+	return m_indices.Count();
+}
+
+inline const int *CDmeFaceSet::GetIndices() const
+{
+	return m_indices.Base();
+}
+
+inline int CDmeFaceSet::GetIndex( int i ) const
+{
+	return m_indices[i];
+}
+
+
+#endif // DMEFACESET_H