hkxIndexBuffer.h
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- /*
- *
- * Confidential Information of Telekinesys Research Limited (t/a Havok). Not for disclosure or distribution without Havok's
- * prior written consent. This software contains code, techniques and know-how which is confidential and proprietary to Havok.
- * Level 2 and Level 3 source code contains trade secrets of Havok. Havok Software (C) Copyright 1999-2009 Telekinesys Research Limited t/a Havok. All Rights Reserved. Use of this software is subject to the terms of an end user license agreement.
- *
- */
- #ifndef HKSCENEDATA_MESH_HKXINDEXBUFFER_HKCLASS_H
- #define HKSCENEDATA_MESH_HKXINDEXBUFFER_HKCLASS_H
- /// hkxIndexBuffer meta information
- extern const class hkClass hkxIndexBufferClass;
- /// A structure that binds vertices to triangles. For the moment, as the
- /// serialization does not support unions, we have two explicit buffers, one of
- /// 16bit storage and one of 32bit storage so that the endianness can be swapped
- /// on write
- class hkxIndexBuffer
- {
- public:
- HK_DECLARE_NONVIRTUAL_CLASS_ALLOCATOR( HK_MEMORY_CLASS_SCENE_DATA, hkxIndexBuffer );
- HK_DECLARE_REFLECTION();
-
- /// The index buffer represents
- enum IndexType
- {
- ///
- INDEX_TYPE_INVALID,
- ///
- INDEX_TYPE_TRI_LIST,
- ///
- INDEX_TYPE_TRI_STRIP,
- ///
- INDEX_TYPE_TRI_FAN,
- ///
- INDEX_TYPE_MAX_ID
- };
-
-
- //
- // Members
- //
- public:
-
- /// The index buffer represents a triangle list, strip or fan
- hkEnum<IndexType, hkInt8> m_indexType;
-
- /// The pointer to the generic index buffer of index size 16
- hkUint16* m_indices16;
- hkInt32 m_numIndices16;
-
- /// The pointer to the generic index buffer of index size 32
- hkUint32* m_indices32;
- hkInt32 m_numIndices32;
-
- /// The vertex index is usually the index given by index buffer + vertexBaseOffset.
- /// If the indexBase is null then the format is assumed to be a triangle list
- /// starting at vertexBaseOffset.
- hkUint32 m_vertexBaseOffset;
-
- /// Due to serialization, the index buffers above are 'simple arrays' and thus the
- /// num indices will be equal to the length, unless those arrays are empty (a
- /// trivial vertex buffer based, no indices, just len in a vb).
- hkUint32 m_length;
- public:
- /// Returns the number of triangles
- int getNumTriangles () const;
- void getTriangleIndices (hkUint32 triIndex, hkUint32& indexAOut, hkUint32& indexBOut, hkUint32& indexCOut);
- };
- #endif // HKSCENEDATA_MESH_HKXINDEXBUFFER_HKCLASS_H
- /*
- * Havok SDK - NO SOURCE PC DOWNLOAD, BUILD(#20090216)
- *
- * Confidential Information of Havok. (C) Copyright 1999-2009
- * Telekinesys Research Limited t/a Havok. All Rights Reserved. The Havok
- * Logo, and the Havok buzzsaw logo are trademarks of Havok. Title, ownership
- * rights, and intellectual property rights in the Havok software remain in
- * Havok and/or its suppliers.
- *
- * Use of this software for evaluation purposes is subject to and indicates
- * acceptance of the End User licence Agreement for this product. A copy of
- * the license is included with this software and is also available at www.havok.com/tryhavok.
- *
- */