hkpShapeSkinningUtil.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 HKP_SHAPE_SKINNING_UTIL_H
- #define HKP_SHAPE_SKINNING_UTIL_H
- #include <Common/GeometryUtilities/Mesh/Utils/FindVertexWeightsUtil/hkFindVertexWeightsUtil.h>
- class hkpConvexShape;
- class hkpConvexVerticesShape;
- /// Utility class that works out bone indices and weights from a shapes
- class hkpShapeSkinningUtil
- {
- public:
- typedef hkFindVertexWeightsUtil::Entry Entry;
- HK_DECLARE_NONVIRTUAL_CLASS_ALLOCATOR( HK_MEMORY_CLASS_COLLIDE, hkpShapeSkinningUtil );
- struct Input
- {
- Input()
- {
- m_maxOutside = 1.0f;
- m_maxInside = 1.0f;
- m_collisionDispatcher = HK_NULL;
- m_shapes = HK_NULL;
- m_transforms = HK_NULL;
- m_numBones = 0;
- m_bonesPerVertex = 4;
- m_vertexPositions = HK_NULL;
- m_numVertices = 0;
- }
- hkReal m_maxInside;
- hkReal m_maxOutside;
- hkpCollisionDispatcher* m_collisionDispatcher;
- const hkpShape** m_shapes;
- const hkTransform* m_transforms;
- int m_numBones;
- int m_bonesPerVertex;
- hkVector4* m_vertexPositions;
- int m_numVertices;
- };
- /// Find a list of shapes and transforms, finds the one which is closest. If non are in maxDistance range returns -1.
- static int HK_CALL findClosestShape(hkpCollisionDispatcher* collisionDispatcher, const hkArray<hkTransform>& shapeTransforms, const hkArray<const hkpShape*>& shapes, hkReal maxDistance, const hkVector4& point);
- /// Calculates the weights and bone indices based on the input. There will be m_bonesPerVertex * m_numVertices entries - each m_bonesPerVertex run
- /// for a vertex. A bone index in an entry = -1 means that a bone close enough could not be found.
- static void HK_CALL calculateSkinning(const Input& input, hkArray<Entry>& entries);
- /// Set the skinning values on a vertex buffer
- static hkResult HK_CALL setSkinningValues(const Input& inputIn, hkMeshVertexBuffer* buffer);
- /// Set the skinning values on a shape
- static hkResult HK_CALL setSkinningValues(const Input& inputIn, hkMeshShape* meshShape);
- };
- #endif // HKP_SHAPE_SKINNING_UTIL_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.
- *
- */