Initial commit:

PhysX 3.4.0 Update @ 21294896
APEX 1.4.0 Update @ 21275617

[CL 21300167]

1 files changed, 82 insertions, 0 deletions

diff --git a/PhysX_3.4/Source/SceneQuery/src/SqAABBTreeUpdateMap.h b/PhysX_3.4/Source/SceneQuery/src/SqAABBTreeUpdateMap.h
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+// This code contains NVIDIA Confidential Information and is disclosed to you
+// under a form of NVIDIA software license agreement provided separately to you.
+//
+// Notice
+// NVIDIA Corporation and its licensors retain all intellectual property and
+// proprietary rights in and to this software and related documentation and
+// any modifications thereto. Any use, reproduction, disclosure, or
+// distribution of this software and related documentation without an express
+// license agreement from NVIDIA Corporation is strictly prohibited.
+//
+// ALL NVIDIA DESIGN SPECIFICATIONS, CODE ARE PROVIDED "AS IS.". NVIDIA MAKES
+// NO WARRANTIES, EXPRESSED, IMPLIED, STATUTORY, OR OTHERWISE WITH RESPECT TO
+// THE MATERIALS, AND EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES OF NONINFRINGEMENT,
+// MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE.
+//
+// Information and code furnished is believed to be accurate and reliable.
+// However, NVIDIA Corporation assumes no responsibility for the consequences of use of such
+// information or for any infringement of patents or other rights of third parties that may
+// result from its use. No license is granted by implication or otherwise under any patent
+// or patent rights of NVIDIA Corporation. Details are subject to change without notice.
+// This code supersedes and replaces all information previously supplied.
+// NVIDIA Corporation products are not authorized for use as critical
+// components in life support devices or systems without express written approval of
+// NVIDIA Corporation.
+//
+// Copyright (c) 2008-2016 NVIDIA Corporation. All rights reserved.
+// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
+// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.  
+
+#ifndef SQ_PRUNERTREEMAP_H
+#define SQ_PRUNERTREEMAP_H
+
+#include "SqTypedef.h"
+#include "PsArray.h"
+
+namespace physx
+{
+namespace Sq
+{
+	static const PxU32 INVALID_NODE_ID = 0xFFffFFff;
+	static const PxU32 INVALID_POOL_ID = 0xFFffFFff;
+
+	// Maps pruning pool indices to AABB-tree indices (i.e. locates the object's box in the aabb-tree nodes pool)
+	// 
+	// The map spans pool indices from 0..N-1, where N is the number of pool entries when the map was created from a tree.
+	//
+	// It maps: 
+	//		to node indices in the range 0..M-1, where M is the number of nodes in the tree the map was created from,
+	//   or to INVALID_NODE_ID if the pool entry was removed or pool index is outside input domain.
+	//
+	// The map is the inverse of the tree mapping: (node[map[poolID]].primitive == poolID) is true at all times.
+
+	class AABBTreeUpdateMap 
+	{
+	public:
+												AABBTreeUpdateMap()		{}
+												~AABBTreeUpdateMap()	{}
+
+						void					release()
+												{
+													mMapping.reset();
+												}
+
+						// indices offset used when indices are shifted from objects (used for merged trees)
+						void					initMap(PxU32 numPoolObjects, const Sq::AABBTree& tree);
+
+						void					invalidate(PoolIndex poolIndex, PoolIndex replacementPoolIndex, Sq::AABBTree& tree);
+
+		PX_FORCE_INLINE TreeNodeIndex operator[](PxU32 poolIndex) const
+												{ 
+													return poolIndex < mMapping.size() ? mMapping[poolIndex] : INVALID_NODE_ID;
+												}
+	private:
+		// maps from prunerIndex (index in the PruningPool) to treeNode index
+		// this will only map to leaf tree nodes
+					Ps::Array<TreeNodeIndex>	mMapping;
+	};
+
+}
+}
+
+#endif