Blast 1.1 release (windows / linux)

see docs/release_notes.txt for details

7 files changed, 658 insertions, 420 deletions

diff --git a/sdk/extensions/authoring/include/NvBlastExtAuthoring.h b/sdk/extensions/authoring/include/NvBlastExtAuthoring.h
new file mode 100644
index 0000000..ce21c65
--- /dev/null
+++ b/sdk/extensions/authoring/include/NvBlastExtAuthoring.h
@@ -0,0 +1,119 @@
+// 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) 2016-2017 NVIDIA Corporation. All rights reserved.
+
+
+#ifndef NVBLASTAUTHORING_H
+#define NVBLASTAUTHORING_H
+
+#include "NvBlastExtAuthoringTypes.h"
+
+namespace physx
+{
+	class PxCooking;
+	class PxPhysicsInsertionCallback;
+}
+
+namespace Nv
+{
+	namespace Blast
+	{
+		class Mesh;
+		class VoronoiSitesGenerator;
+		class FractureTool;
+		class ConvexMeshBuilder;
+		class BlastBondGenerator;
+		class MeshCleaner;
+	}
+}
+
+/**
+Constructs mesh object from array of triangles.
+User should call release() after usage.
+
+\param[in] positions		Array for vertex positions, 3 * verticesCount floats will be read
+\param[in] normals			Array for vertex normals, 3 * verticesCount floats will be read
+\param[in] uv				Array for vertex uv coordinates, 2 * verticesCount floats will be read
+\param[in] verticesCount	Number of vertices in mesh
+\param[in] indices			Array of vertex indices. Indices contain vertex index triplets which form a mesh triangle.
+\param[in] indicesCount		Indices count (should be equal to numberOfTriangles * 3)
+
+\return pointer to Nv::Blast::Mesh if it was created succefully otherwise return nullptr
+*/
+NVBLAST_API Nv::Blast::Mesh* NvBlastExtAuthoringCreateMesh(const physx::PxVec3* positions, const physx::PxVec3* normals,
+	const physx::PxVec2* uv, uint32_t verticesCount, const uint32_t* indices, uint32_t indicesCount);
+
+/**
+Voronoi sites should not be generated outside of the fractured mesh, so VoronoiSitesGenerator
+should be supplied with fracture mesh.
+\param[in] mesh			Fracture mesh
+\param[in] rnd			User supplied random value generator.
+\return					Pointer to VoronoiSitesGenerator. User's code should release it after usage.
+*/
+NVBLAST_API Nv::Blast::VoronoiSitesGenerator* NvBlastExtAuthoringCreateVoronoiSitesGenerator(Nv::Blast::Mesh* mesh,
+	Nv::Blast::RandomGeneratorBase* rng);
+
+/**
+Create FractureTool object.
+\return Pointer to create FractureTool. User's code should release it after usage.
+*/
+NVBLAST_API Nv::Blast::FractureTool* NvBlastExtAuthoringCreateFractureTool();
+
+/**
+Create BlastBondGenerator
+\return Pointer to created BlastBondGenerator. User's code should release it after usage.
+*/
+NVBLAST_API Nv::Blast::BlastBondGenerator* NvBlastExtAuthoringCreateBondGenerator(physx::PxCooking* cooking, 
+	physx::PxPhysicsInsertionCallback* insertionCallback);
+
+/**
+Create ConvexMeshBuilder
+\return Pointer to created ConvexMeshBuilder. User's code should release it after usage.
+*/
+NVBLAST_API Nv::Blast::ConvexMeshBuilder* NvBlastExtAuthoringCreateConvexMeshBuilder(physx::PxCooking* cooking,
+	physx::PxPhysicsInsertionCallback* insertionCallback);
+
+/**
+Performs pending fractures and generates fractured asset, render and collision geometry
+
+\param[in]  fTool				Fracture tool created by NvBlastExtAuthoringCreateFractureTool
+\param[in]  bondGenerator		Bond generator created by NvBlastExtAuthoringCreateBondGenerator
+\param[in]  collisionBuilder	Collision builder created by NvBlastExtAuthoringCreateConvexMeshBuilder
+\param[in]  defaultSupportDepth All new chunks will be marked as support if its depth equal to defaultSupportDepth. 
+								By default leaves (chunks without children) marked as support.
+\return		Authoring result
+*/
+NVBLAST_API Nv::Blast::AuthoringResult* NvBlastExtAuthoringProcessFracture(Nv::Blast::FractureTool& fTool,
+	Nv::Blast::BlastBondGenerator& bondGenerator, Nv::Blast::ConvexMeshBuilder& collisionBuilder, int32_t defaultSupportDepth = -1);
+
+
+/**
+	Creates MeshCleaner object
+	\return pointer to Nv::Blast::Mesh if it was created succefully otherwise return nullptr
+*/
+NVBLAST_API Nv::Blast::MeshCleaner* NvBlastExtAuthoringCreateMeshCleaner();
+
+#endif // ifndef NVBLASTAUTHORING_H
diff --git a/sdk/extensions/authoring/include/NvBlastExtAuthoringBondGenerator.h b/sdk/extensions/authoring/include/NvBlastExtAuthoringBondGenerator.h
index 68767eb..4f5d0e6 100644
--- a/sdk/extensions/authoring/include/NvBlastExtAuthoringBondGenerator.h
+++ b/sdk/extensions/authoring/include/NvBlastExtAuthoringBondGenerator.h
@@ -1,35 +1,54 @@
-/*
-* Copyright (c) 2017, NVIDIA CORPORATION.  All rights reserved.
-*
-* NVIDIA CORPORATION and its licensors retain all intellectual property
-* and proprietary rights in and to this software, 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.
-*/
+// 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) 2017 NVIDIA Corporation. All rights reserved.
+
 
 #ifndef NVBLASTEXTAUTHORINGBONDGENERATOR_H
 #define NVBLASTEXTAUTHORINGBONDGENERATOR_H
 
 #include "NvBlastExtAuthoringTypes.h"
-#include "NvBlastExtAuthoringFractureTool.h"
-#include "NvBlastTypes.h"
-#include "../cooking/PxCooking.h"
-#include <PxPlane.h>
-#include <NvBlastExtAuthoringCollisionBuilder.h>
+
+namespace physx
+{
+class PxPlane;
+class PxCooking;
+class PxPhysicsInsertionCallback;
+}
+
 struct NvBlastBondDesc;
 struct NvBlastChunkDesc;
 struct NvBlastBond;
 
-using namespace physx;
-
-
 namespace Nv
 {
 namespace Blast
 {
 
 // Forward declarations
+class FractureTool;
 class TriangleProcessor;
 struct PlaneChunkIndexer;
 
@@ -61,73 +80,75 @@ struct PlaneChunkIndexer
 class BlastBondGenerator
 {
 public:
-				
-	BlastBondGenerator(physx::PxCooking* cooking, physx::PxPhysicsInsertionCallback* insertionCallback) : mPxCooking(cooking), mPxInsertionCallback(insertionCallback){};
+	virtual ~BlastBondGenerator() {}
+
+	/**
+		Release BlastBondGenerator memory
+	*/
+	virtual void release() = 0;
 
 	/**
 		This method based on marking triangles during fracture process, so can be used only with internally fractured meshes.
-		\param[in] tool				FractureTool which contains chunks representation, tool->finalizeFracturing() should be called before.
-		\param[in] chunkIsSupport	Array of flags, if true - chunk is support. Array size should be equal to chunk count in tool.
-		\param[out] resultBondDescs	Array of created bond descriptors.
-		\param[out] resultChunkDescriptors	Array of created chunk descriptors.
-		\return 0 if success
+		\note User should call NVBLAST_FREE for resultBondDescs when it not needed anymore
+		\param[in]  tool					FractureTool which contains chunks representation, tool->finalizeFracturing() should be called before.
+		\param[in]  chunkIsSupport			Pointer to array of flags, if true - chunk is support. Array size should be equal to chunk count in tool.
+		\param[out] resultBondDescs			Pointer to array of created bond descriptors.
+		\param[out] resultChunkDescriptors	Pointer to array of created chunk descriptors.
+		\return								Number of created bonds
 	*/
-	int32_t	buildDescFromInternalFracture(FractureTool* tool, const std::vector<bool>& chunkIsSupport, std::vector<NvBlastBondDesc>& resultBondDescs, std::vector<NvBlastChunkDesc>& resultChunkDescriptors);
+	virtual int32_t	buildDescFromInternalFracture(FractureTool* tool, const bool* chunkIsSupport, 
+		NvBlastBondDesc*& resultBondDescs, NvBlastChunkDesc*& resultChunkDescriptors) = 0;
 
 
 	/**
 		Creates bond description between two meshes
-		\param[in] meshA	Array of triangles of mesh A.
-		\param[in] meshB	Array of triangles of mesh B.
-		\param[out] resultBond	Result bond description.
-		\param[in] conf	Bond creation mode.
-		\return 0 if success
+		\param[in] meshACount		Number of triangles in mesh A
+		\param[in] meshA			Pointer to array of triangles of mesh A.
+		\param[in] meshBCount		Number of triangles in mesh B
+		\param[in] meshB			Pointer to array of triangles of mesh B.
+		\param[out] resultBond		Result bond description.
+		\param[in] conf				Bond creation mode.
+		\return						0 if success
 	*/
-	int32_t	createBondBetweenMeshes(const std::vector<Triangle>& meshA, const std::vector<Triangle>& meshB, NvBlastBond& resultBond, BondGenerationConfig conf = BondGenerationConfig());
+	virtual int32_t	createBondBetweenMeshes(uint32_t meshACount, const Triangle* meshA, uint32_t meshBCount, const Triangle* meshB, 
+		NvBlastBond& resultBond, BondGenerationConfig conf = BondGenerationConfig()) = 0;
 
 	/**
 		Creates bond description between number of meshes
-		\param[in] geometry	Array of arrays of triangles for each chunk.
-		\param[out] resultBond	Array of result bonds.
-		\param[in] overlaps	Array of pairs - indexes of chunks, for which bond should be created.
-		\param[in] cfg	Bond creation mode.
-		\return 0 if success
+		\note User should call NVBLAST_FREE for resultBondDescs when it not needed anymore
+		\param[in] meshCount		Number of meshes
+		\param[in] geometryOffset	Pointer to array of triangle offsets for each mesh. 
+									Containts meshCount + 1 element, last one is total number of triangles in geometry
+		\param[in] geometry			Pointer to array of triangles. 
+									Triangles from geometryOffset[i] to geometryOffset[i+1] correspond to i-th mesh.
+		\param[in] overlapsCount	Number of overlaps
+		\param[in] overlaps			Pointer to array of pairs - indexes of chunks, for which bond should be created.
+		\param[out] resultBond		Pointer to array of result bonds.
+		\param[in] cfg				Bond creation mode.
+		\return						Number of created bonds
 	*/
-	int32_t	createBondBetweenMeshes(const std::vector<std::vector<Triangle> >& geometry, std::vector<NvBlastBondDesc>& resultBond, const std::vector<std::pair<uint32_t, uint32_t> >& overlaps, BondGenerationConfig cfg);
+	virtual int32_t	createBondBetweenMeshes(uint32_t meshCount, const uint32_t* geometryOffset, const Triangle* geometry,
+		uint32_t overlapsCount, const uint32_t* overlapsA, const uint32_t* overlapsB, 
+		NvBlastBondDesc*& resultBond, BondGenerationConfig cfg) = 0;
 
 
 	/**
 		Creates bond description for prefractured meshes, when there is no info about which chunks should be connected with bond.
-		\param[in] geometry	Array of arrays of triangles for each chunk.
-		\param[in] chunkIsSupport Array of flags, if true - chunk is support. Array size should be equal to chunk count in tool.
-		\param[out] resultBondDescs	Array of result bonds.
-		\param[in] conf	Bond creation mode.
-		\return 0 if success
+		\note User should call NVBLAST_FREE for resultBondDescs when it not needed anymore
+		\param[in] meshCount		Number of meshes
+		\param[in] geometryOffset	Pointer to array of triangle offsets for each mesh. 
+									Containts meshCount + 1 element, last one is total number of triangles in geometry
+		\param[in] geometry			Pointer to array of triangles. 
+									Triangles from geometryOffset[i] to geometryOffset[i+1] correspond to i-th mesh.
+		\param[in] chunkIsSupport	Pointer to array of flags, if true - chunk is support. Array size should be equal to chunk count in tool.
+		\param[out] resultBondDescs	Pointer to array of result bonds.
+		\param[in] conf				Bond creation mode.
+		\return						Number of created bonds
 	*/
-	int32_t	bondsFromPrefractured(const std::vector<std::vector<Triangle>>& geometry, const std::vector<bool>& chunkIsSupport, std::vector<NvBlastBondDesc>& resultBondDescs, BondGenerationConfig conf = BondGenerationConfig());
+	virtual int32_t	bondsFromPrefractured(uint32_t meshCount, const uint32_t* geometryOffset, const Triangle* geometry,
+		const bool*& chunkIsSupport, NvBlastBondDesc*& resultBondDescs,
+		BondGenerationConfig conf = BondGenerationConfig()) = 0;
 				
-private:
-	float	processWithMidplanes(TriangleProcessor* trProcessor, const std::vector<physx::PxVec3>& chunk1Points, const std::vector<physx::PxVec3>& chunk2Points,
-								 const std::vector<physx::PxVec3>& hull1p,const std::vector<physx::PxVec3>& hull2p, physx::PxVec3& normal, physx::PxVec3& centroid);
-
-	int32_t	createFullBondListAveraged(const std::vector<std::vector<Triangle>>& chunksGeometry, const std::vector<bool>& supportFlags, std::vector<NvBlastBondDesc>& mResultBondDescs, BondGenerationConfig conf);
-	int32_t	createFullBondListExact(const std::vector<std::vector<Triangle>>& chunksGeometry, const std::vector<bool>& supportFlags, std::vector<NvBlastBondDesc>& mResultBondDescs, BondGenerationConfig conf);
-	int32_t	createFullBondListExactInternal(const std::vector<std::vector<Triangle>>& chunksGeometry, std::vector < PlaneChunkIndexer >& planeTriangleMapping , std::vector<NvBlastBondDesc>& mResultBondDescs);
-	int32_t	createBondForcedInternal(const std::vector<PxVec3>& hull0, const std::vector<PxVec3>& hull1,const CollisionHull& cHull0, const CollisionHull& cHull1,PxBounds3 bound0, PxBounds3 bound1, NvBlastBond& resultBond, float overlapping);
-
-	void	buildGeometryCache(const std::vector<std::vector<Triangle> >& geometry);
-	void	resetGeometryCache();
-
-	physx::PxCooking*							mPxCooking;
-	physx::PxPhysicsInsertionCallback*			mPxInsertionCallback;
-
-
-	std::vector<std::vector<Triangle> >			mGeometryCache;
-
-	std::vector<PlaneChunkIndexer>				mPlaneCache;
-	std::vector<CollisionHull>					mCHullCache;
-	std::vector<std::vector<physx::PxVec3> >	mHullsPointsCache;
-	std::vector<physx::PxBounds3 >				mBoundsCache;
 };
 
 }	// namespace Blast
diff --git a/sdk/extensions/authoring/include/NvBlastExtAuthoringCollisionBuilder.h b/sdk/extensions/authoring/include/NvBlastExtAuthoringCollisionBuilder.h
index b3e143a..1e851bb 100644
--- a/sdk/extensions/authoring/include/NvBlastExtAuthoringCollisionBuilder.h
+++ b/sdk/extensions/authoring/include/NvBlastExtAuthoringCollisionBuilder.h
@@ -1,26 +1,42 @@
-/*
-* Copyright (c) 2016-2017, NVIDIA CORPORATION.  All rights reserved.
-*
-* NVIDIA CORPORATION and its licensors retain all intellectual property
-* and proprietary rights in and to this software, 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.
-*/
+// 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) 2016-2017 NVIDIA Corporation. All rights reserved.
+
 
 #ifndef NVBLASTEXTAUTHORINGCOLLISIONBUILDER_H
 #define NVBLASTEXTAUTHORINGCOLLISIONBUILDER_H
 
 #include "NvBlastTypes.h"
-#include <vector>
-#include <PxVec3.h>
 
 namespace physx
 {
-	class PxCooking;
-	class PxPhysicsInsertionCallback;
-	class PxVec3;
-	class PxConvexMesh;
+class PxCooking;
+class PxPhysicsInsertionCallback;
+class PxVec3;
+class PxConvexMesh;
 }
 
 
@@ -29,32 +45,7 @@ namespace Nv
 namespace Blast
 {
 
-/**
-	Collision hull geometry format.
-*/
-struct CollisionHull
-{
-	/**
-		Collision hull polygon format.
-	*/
-	struct HullPolygon
-	{
-		// Polygon base plane
-		float		mPlane[4];
-		// Number vertices in polygon
-		uint16_t	mNbVerts;
-		// First index in CollisionHull.indices array for this polygon
-		uint16_t	mIndexBase;
-	};
-	///**
-
-	CollisionHull(){};
-
-	std::vector<physx::PxVec3>	points;
-	std::vector<uint32_t>		indices;
-	std::vector<HullPolygon>	polygonData;
-};
-
+struct CollisionHull;
 
 /**
 	ConvexMeshBuilder provides routine to build collision hulls from array of vertices.
@@ -64,35 +55,38 @@ struct CollisionHull
 class ConvexMeshBuilder
 {
 public:
+	virtual ~ConvexMeshBuilder() {}
 
 	/**
-		Constructor should be provided with PxCoocking and PxPhysicsInsertionCallback objects.
+	Release ConvexMeshBuilder memory
 	*/
-	ConvexMeshBuilder(physx::PxCooking* cooking, physx::PxPhysicsInsertionCallback* insertionCallback) : mInsertionCallback(insertionCallback), mCooking(cooking) {}
+	virtual void					release() = 0;
 
 	/**
 		Method creates CollisionHull from provided array of vertices.
+		\param[in]  verticesCount	Number of vertices
 		\param[in]	vertexData		Vertex array of some object, for which collision geometry should be built
 		\param[out] output			Reference on CollisionHull object in which generated geometry should be saved
 	*/
-	void					buildCollisionGeometry(const std::vector<physx::PxVec3>& vertexData, CollisionHull& output);
+	virtual CollisionHull*			buildCollisionGeometry(uint32_t verticesCount, const physx::PxVec3* vertexData) = 0;
 
 	/**
 	Method creates PxConvexMesh from provided array of vertices.
-	\param[in]	vertexData		Vertex array of some object, for which collision geometry should be built
+	\param[in]  verticesCount		Number of vertices
+	\param[in]	vertexData			Vertex array of some object, for which collision geometry should be built
 
 	\return pointer to the PxConvexMesh object if it was built successfully, 'nullptr' otherwise.
 	*/
-	physx::PxConvexMesh*	buildConvexMesh(std::vector<physx::PxVec3>& vertexData);
+	virtual physx::PxConvexMesh*	buildConvexMesh(uint32_t verticesCount, const physx::PxVec3* vertexData) = 0;
 
 
 	/**
 		Method creates PxConvexMesh from provided ConvexHull geometry
-		\param[in]	hull ConvexHull geometry
+		\param[in]	hull			ConvexHull geometry
 
 		\return pointer to the PxConvexMesh object if it was built successfully, 'nullptr' otherwise.
 	*/
-	physx::PxConvexMesh*	buildConvexMesh(CollisionHull& hull);
+	virtual physx::PxConvexMesh*	buildConvexMesh(const CollisionHull& hull) = 0;
 
 
 	/**
@@ -102,18 +96,13 @@ public:
 		This method trims all intersecting parts of collision geometry.
 		As a drawback, trimming collision geometry can lead to penetrating render meshes during simulation.
 
-
-		\param[in]	in ConvexHull geometry which should be clipped. 
-		\param[in]	chunkDepth Array of depth levels of convex hulls corresponding chunks.
+		\param[in]		chunksCount	Number of chunks
+		\param[in,out]	in			ConvexHull geometry which should be clipped. 
+		\param[in]		chunkDepth	Array of depth levels of convex hulls corresponding chunks.
 
 	*/
-	
-	void					trimCollisionGeometry(std::vector<CollisionHull>& in, const std::vector<uint32_t>& chunkDepth);
-
+	virtual void					trimCollisionGeometry(uint32_t chunksCount, CollisionHull** in, const uint32_t* chunkDepth) = 0;
 
-private:
-	physx::PxPhysicsInsertionCallback*	mInsertionCallback;
-	physx::PxCooking*					mCooking;
 };
 
 } // namespace Blast
diff --git a/sdk/extensions/authoring/include/NvBlastExtAuthoringFractureTool.h b/sdk/extensions/authoring/include/NvBlastExtAuthoringFractureTool.h
index 528ffbc..82959ac 100644
--- a/sdk/extensions/authoring/include/NvBlastExtAuthoringFractureTool.h
+++ b/sdk/extensions/authoring/include/NvBlastExtAuthoringFractureTool.h
@@ -1,19 +1,35 @@
-/*
-* Copyright (c) 2016-2017, NVIDIA CORPORATION.  All rights reserved.
-*
-* NVIDIA CORPORATION and its licensors retain all intellectual property
-* and proprietary rights in and to this software, 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.
-*/
+// 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) 2016-2017 NVIDIA Corporation. All rights reserved.
+
 
 #ifndef NVBLASTAUTHORINGFRACTURETOOL_H
 #define NVBLASTAUTHORINGFRACTURETOOL_H
 
-#include "NvBlastExtAuthoringMesh.h"
-#include "NvBlastTypes.h"
-
+#include "NvBlastExtAuthoringTypes.h"
 
 namespace Nv
 {
@@ -21,8 +37,8 @@ namespace Blast
 {
 
 class SpatialAccelerator;
-class ChunkPostProcessor;
-
+class Triangulator;
+class Mesh;
 
 /*
 	Chunk data, chunk with chunkId == 0 is always source mesh.
@@ -38,119 +54,83 @@ struct ChunkInfo
 
 /*
 	Slicing fracturing configuration
-
-
-	default:
-	x_slices = 1;
-	y_slices = 1;
-	z_slices = 1;
-
-	offset_variations	= 0.f;
-	angle_variations	= 0.f;
-	noiseAmplitude		= 0.f;
-	noiseFrequency		= 1.f;
-	noiseOctaveNumber	= 1;
-	surfaceResolution	= 1;
 */
 struct SlicingConfiguration
 {
 	/** 
 		Number of slices in each direction
 	*/
-	int32_t	x_slices, y_slices, z_slices;
+	int32_t	x_slices = 1, y_slices = 1, z_slices = 1;
 	
 	/** 
 		Offset variation, value in [0, 1]
 	*/
-	float	offset_variations;
+	float	offset_variations = 0.f;
+	
 	/** 
 		Angle variation, value in [0, 1]
 	*/
-	float	angle_variations;
-
+	float	angle_variations = 0.f;
 
 	/**
 		Noisy slicing configutaion:
 
 		Amplitude of cutting surface noise. If it is 0 - noise is disabled.
 	*/
-	float noiseAmplitude;
+	float	noiseAmplitude = 0.f;
+	
 	/**
 		Frequencey of cutting surface noise. 
 	*/
-	float noiseFrequency;
+	float	noiseFrequency = 1.f;
+
 	/**
 		Octave number in slicing surface noise.
 	*/
-	uint32_t noiseOctaveNumber;
-	/**
-		Cutting surface resolution.
-	*/
-	int32_t surfaceResolution;
-
+	uint32_t noiseOctaveNumber = 1;
 
-	SlicingConfiguration()
-	{
-		reset();
-	}
 	/**
-		Set default params.
+		Cutting surface resolution.
 	*/
-	void reset()
-	{
-		x_slices = 1;
-		y_slices = 1;
-		z_slices = 1;
-
-		offset_variations	= 0.f;
-		angle_variations	= 0.f;
-		noiseAmplitude		= 0.f;
-		noiseFrequency		= 1.f;
-		noiseOctaveNumber	= 1;
-		surfaceResolution	= 1;
-	}
-
+	int32_t surfaceResolution = 1;
 };
 
 
-
 /**
 	Class for voronoi sites generation inside supplied mesh.
 */
 class VoronoiSitesGenerator
 {
 public:
-	
-	/** 
-		Voronoi sites should not be generated outside of the fractured mesh, so VoronoiSitesGenerator
-		should be supplied with fracture mesh.
-		\param[in] mesh			Fracture mesh
-		\param[in] rnd			User supplied random value generator.
-		\return
+	virtual ~VoronoiSitesGenerator() {}
+
+	/**
+		Release VoronoiSitesGenerator memory
 	*/
-	VoronoiSitesGenerator(Mesh* mesh, RandomGeneratorBase* rnd);
-	~VoronoiSitesGenerator();
+	virtual void						release() = 0;
 
 	/**
 		Set base fracture mesh
 	*/
-	void						setBaseMesh(Mesh* m);
+	virtual void						setBaseMesh(const Mesh* mesh) = 0;
 
 	/**
-		Returns reference on vector of generated voronoi sites.
+		Access to generated voronoi sites.
+		\param[out]				Pointer to generated voronoi sites
+		\return					Count of generated voronoi sites.
 	*/
-	std::vector<physx::PxVec3>& getVoronoiSites();
+	virtual uint32_t					getVoronoiSites(const physx::PxVec3*& sites) = 0;
 	
 	/**
 		Add site in particular point
 		\param[in] site		Site coordinates
 	*/
-	void						addSite(const physx::PxVec3& site);
+	virtual void						addSite(const physx::PxVec3& site) = 0;
 	/**
 		Uniformly generate sites inside the mesh
 		\param[in] numberOfSites	Number of generated sites
 	*/
-	void						uniformlyGenerateSitesInMesh(const uint32_t numberOfSites);
+	virtual void						uniformlyGenerateSitesInMesh(uint32_t numberOfSites) = 0;
 
 	/**
 		Generate sites in clustered fashion
@@ -158,7 +138,7 @@ public:
 		\param[in] sitesPerCluster	Number of sites in each cluster
 		\param[in] clusterRadius	Voronoi cells cluster radius
 	*/
-	void						clusteredSitesGeneration(const uint32_t numberOfClusters, const uint32_t sitesPerCluster, float clusterRadius);
+	virtual void						clusteredSitesGeneration(uint32_t numberOfClusters, uint32_t sitesPerCluster, float clusterRadius) = 0;
 
 	/**
 		Radial pattern of sites generation
@@ -170,7 +150,7 @@ public:
 		\param[in] angleOffset	Angle offset at each radial step
 		\param[in] variability	Randomness of sites distribution 
 	*/
-	void						radialPattern(const physx::PxVec3& center, const physx::PxVec3& normal, float radius, int32_t angularSteps, int32_t radialSteps, float angleOffset = 0.0f, float variability = 0.0f);
+	virtual void						radialPattern(const physx::PxVec3& center, const physx::PxVec3& normal, float radius, int32_t angularSteps, int32_t radialSteps, float angleOffset = 0.0f, float variability = 0.0f) = 0;
 
 	/**
 		Generate sites inside sphere
@@ -178,16 +158,16 @@ public:
 		\param[in] radius		Radius of sphere
 		\param[in] center		Center of sphere
 	*/
-	void						generateInSphere(const uint32_t count, const float radius, const physx::PxVec3& center);
+	virtual void						generateInSphere(const uint32_t count, const float radius, const physx::PxVec3& center) = 0;
 	/**
 		Set stencil mesh. With stencil mesh sites are generated only inside both of fracture and stencil meshes. 
 		\param[in] stencil		Stencil mesh.
 	*/
-	void						setStencil(Mesh* stencil);
+	virtual void						setStencil(const Mesh* stencil) = 0;
 	/**
 		Removes stencil mesh
 	*/
-	void						clearStencil();
+	virtual void						clearStencil() = 0;
 
 	/** 
 		Deletes sites inside supplied sphere
@@ -195,18 +175,9 @@ public:
 		\param[in] center				Center of sphere
 		\param[in] eraserProbability	Probability of removing some particular site
 	*/
-	void						deleteInSphere(const float radius, const physx::PxVec3& center, const float eraserProbability = 1);
-
-private:
-	std::vector<physx::PxVec3>	mGeneratedSites;
-	Mesh*						mMesh;
-	Mesh*						mStencil;
-	RandomGeneratorBase*		mRnd;
-	SpatialAccelerator*			mAccelerator;
+	virtual void						deleteInSphere(const float radius, const physx::PxVec3& center, const float eraserProbability = 1) = 0;
 };
 
-
-
 /**
 	FractureTool class provides methods to fracture provided mesh and generate Blast asset data
 */
@@ -214,44 +185,34 @@ class FractureTool
 {
 
 public:
+	virtual ~FractureTool() {}
 
 	/**
-		FractureTool can log asset creation info if logCallback is provided.
+		Release FractureTool memory
 	*/
-	FractureTool(NvBlastLog logCallback = nullptr)
-	{
-		mPlaneIndexerOffset = 1;
-		mChunkIdCounter = 0;
-		mRemoveIslands = false;
-		mLoggingCallback = logCallback;
-	}
-
-	~FractureTool()
-	{
-		reset();
-	}
+	virtual void									release() = 0;
 
 	/**
 		Reset FractureTool state.
 	*/
-	void									reset();
+	virtual void									reset() = 0;
 	
 	
 	/**
 		Set input mesh wich will be fractured, FractureTool will be reseted.
 	*/
-	void									setSourceMesh(Mesh* mesh);
+	virtual void									setSourceMesh(const Mesh* mesh) = 0;
 
 	/**
-		Get chunk mesh in polygonal representation
+		Get chunk mesh in polygonal representation. User's code should release it after usage.
 	*/
-	Mesh									getChunkMesh(int32_t chunkId);
+	virtual Mesh*									createChunkMesh(int32_t chunkId) = 0;
 
 	/**
 		Input mesh is scaled and transformed internally to fit unit cube centered in origin.
 		Method provides offset vector and scale parameter;
 	*/
-	void									getTransformation(physx::PxVec3& offset, float& scale);
+	virtual void									getTransformation(physx::PxVec3& offset, float& scale) = 0;
 
 
 	/**
@@ -262,7 +223,7 @@ public:
 										Case replaceChunk == true && chunkId == 0 considered as wrong input parameters
 		\return   If 0, fracturing is successful.
 	*/
-	int32_t									voronoiFracturing(uint32_t chunkId, const std::vector<physx::PxVec3>& cellPoints, bool replaceChunk);
+	virtual int32_t									voronoiFracturing(uint32_t chunkId, uint32_t cellCount, const physx::PxVec3* cellPoints, bool replaceChunk) = 0;
 
 	/**
 		Fractures specified chunk with voronoi method. Cells can be scaled along x,y,z axes.
@@ -274,7 +235,7 @@ public:
 									    Case replaceChunk == true && chunkId == 0 considered as wrong input parameters
 		\return   If 0, fracturing is successful.
 	*/
-	int32_t									voronoiFracturing(uint32_t chunkId, const std::vector<physx::PxVec3>& cellPoints, const physx::PxVec3& scale, bool replaceChunk);
+	virtual int32_t									voronoiFracturing(uint32_t chunkId, uint32_t cellCount, const physx::PxVec3* cellPoints, const physx::PxVec3& scale, bool replaceChunk) = 0;
 
 
 	/**
@@ -287,37 +248,20 @@ public:
 
 		\return   If 0, fracturing is successful.
 	*/
-	int32_t									slicing(uint32_t chunkId, SlicingConfiguration conf, bool replaceChunk, RandomGeneratorBase* rnd);
+	virtual int32_t									slicing(uint32_t chunkId, SlicingConfiguration conf, bool replaceChunk, RandomGeneratorBase* rnd) = 0;
 
 
 	/**
 		Creates resulting fractured mesh geometry from intermediate format
 	*/
-	void									finalizeFracturing();
+	virtual void									finalizeFracturing() = 0;
 	
-	/**
-		Get chunk information
-	*/
-	const std::vector<ChunkInfo>&    		getChunkList();
-
+	virtual uint32_t								getChunkCount() const = 0;
 
 	/**
-		Tesselate interior surfaces
-		\param[in] averageEdgeLength - Average length of edge on internal surface.
-	*/
-	void									tesselate(float averageEdgeLength);
-	
-	/**
-		Apply noise to interior surfaces. Must be called only after tesselation!
-		\param[in] amplitude Amplitude of noise
-		\param[in] frequency Frequency of noise
-		\param[in] octaves Number of noise octaves
-		\param[in] falloff - damping of noise around of external surface
-		\param[in] relaxIterations - number of smoothing iterations before applying noise
-		\param[in] relaxFactor - amount of smoothing before applying noise.
-		\param[in] seed Random seed value
+		Get chunk information
 	*/
-	void									applyNoise(float amplitude, float frequency, int32_t octaves, float falloff, int32_t relaxIterations, float relaxFactor, int32_t seed = 0);
+	virtual const ChunkInfo&    					getChunkInfo(int32_t chunkIndex) = 0;
 
 	/**
 		Get percentage of mesh overlap.
@@ -326,110 +270,78 @@ public:
 		\param[in] meshB Mesh B
 		\return mesh overlap percentage
 	*/
-	static float							getMeshOverlap(Mesh& meshA, Mesh& meshB);
+	virtual float									getMeshOverlap(const Mesh& meshA, const Mesh& meshB) = 0;
 
 	/**
 		Get chunk base mesh
 		\param[in] chunkIndex Chunk index
 		\param[out] output Array of triangles to be filled
+		\return number of triangles in base mesh
 	*/
-	void									getBaseMesh(int32_t chunkIndex, std::vector<Triangle>& output);
-
-	/**
-		Get chunk mesh with noise
-		\param[in] chunkIndex Chunk index
-		\param[out] output Array of triangles to be filled
-	*/
-	void									getNoisedMesh(int32_t chunkIndex, std::vector<Triangle>& output);
-
+	virtual uint32_t								getBaseMesh(int32_t chunkIndex, Triangle*& output) = 0;
 
 	/**
 		Return index of chunk with specified chunkId
 		\param[in] chunkId Chunk ID
 		\return Chunk index in internal buffer, if not exist -1 is returned.
 	*/
-	int32_t									getChunkIndex(int32_t chunkId);
+	virtual int32_t									getChunkIndex(int32_t chunkId) = 0;
 
 	/**
 		Return id of chunk with specified index.
 		\param[in] chunkIndex Chunk index
 		\return Chunk id or -1 if there is no such chunk.
 	*/
-	int32_t									getChunkId(int32_t chunkIndex);
+	virtual int32_t									getChunkId(int32_t chunkIndex) = 0;
 
 	/**
 		Return depth level of the given chunk
 		\param[in] chunkId Chunk ID
 		\return Chunk depth or -1 if there is no such chunk.
 	*/
-	int32_t									getChunkDepth(int32_t chunkId);
+	virtual int32_t									getChunkDepth(int32_t chunkId) = 0;
 
 	/**
 		Return array of chunks IDs with given depth.
-		\param[in] depth Chunk depth
-		\return Array of chunk IDs
+		\param[in]  depth Chunk depth
+		\param[out] Pointer to array of chunk IDs
+		\return Number of chunks in array
 	*/
-	std::vector<int32_t>					getChunksIdAtDepth(uint32_t depth);
+	virtual uint32_t								getChunksIdAtDepth(uint32_t depth, int32_t*& chunkIds) = 0;
 
 
 	/**
 		Get result geometry without noise as vertex and index buffers, where index buffers contain series of triplets
 		which represent triangles.
 		\param[out] vertexBuffer Array of vertices to be filled
-		\param[out] indexBuffer Array of arrays of indices to be filled
+		\param[out] indexBuffer Array of indices to be filled
+		\param[out] indexBufferOffsets Array of offsets in indexBuffer for each base mesh. 
+					Contains getChunkCount() + 1 elements. Last one is indexBuffer size
+		\return Number of vertices in vertexBuffer
 	*/
-	void									getBufferedBaseMeshes(std::vector<Vertex>& vertexBuffer, std::vector<std::vector<uint32_t> >& indexBuffer);
-
-	/**
-		Get result geometry after tesselation and application of noise as vertex and index buffers, where index buffers contain series of triplets
-		which represent triangles.
-		\param[out] vertexBuffer Array of vertices to be filled
-		\param[out] indexBuffer Array of arrays of indices to be filled
-	*/
-	void									getBufferedNoiseMeshes(std::vector<Vertex>& vertexBuffer, std::vector<std::vector<uint32_t> >& indexBuffer);
+	virtual uint32_t								getBufferedBaseMeshes(Vertex*& vertexBuffer, uint32_t*& indexBuffer, uint32_t*& indexBufferOffsets) = 0;
 
 	/**
 		Set automatic islands removing. May cause instabilities.
 		\param[in] isRemoveIslands Flag whether remove or not islands.
 	*/
-	void									setRemoveIslands(bool isRemoveIslands);
+	virtual void									setRemoveIslands(bool isRemoveIslands) = 0;
 
 	/**
 		Try find islands and remove them on some specifical chunk. If chunk has childs, island removing can lead to wrong results! Apply it before further chunk splitting.
 		\param[in] chunkId Chunk ID which should be checked for islands
 		\return Number of found islands is returned
 	*/
-	int32_t									islandDetectionAndRemoving(int32_t chunkId);
-
-private:	
-	void									eraseChunk(int32_t chunkId);	
-	bool									isAncestorForChunk(int32_t ancestorId, int32_t chunkId);
-	void									deleteAllChildsOfChunk(int32_t chunkId);
-	int32_t									slicingNoisy(uint32_t chunkId, SlicingConfiguration conf, bool replaceChunk, RandomGeneratorBase* rnd);
+	virtual int32_t									islandDetectionAndRemoving(int32_t chunkId) = 0;
 
-protected:
 	/**
-	Mesh scaled to unite-cube and translated to the origin
+		Check if input mesh contains open edges. Open edges can lead to wrong fracturing results.
+		\return true if mesh contains open edges
 	*/
-	float								mScaleFactor;
-	physx::PxVec3						mOffset;
-
-	/* Chunk mesh wrappers */
-	std::vector<ChunkPostProcessor*>	mChunkPostprocessors;
-
-
-	
-	int32_t								mPlaneIndexerOffset;
-	int32_t								mChunkIdCounter;
-	std::vector<ChunkInfo>				mChunkData;
-
-	bool								mRemoveIslands;
-
-	NvBlastLog							mLoggingCallback;
+	virtual bool									isMeshContainOpenEdges(const Mesh* input) = 0;
 };
 
 } // namespace Blast
 } // namespace Nv
 
-
 #endif // ifndef NVBLASTAUTHORINGFRACTURETOOL_H
diff --git a/sdk/extensions/authoring/include/NvBlastExtAuthoringMesh.h b/sdk/extensions/authoring/include/NvBlastExtAuthoringMesh.h
index 2b1806a..039da52 100644
--- a/sdk/extensions/authoring/include/NvBlastExtAuthoringMesh.h
+++ b/sdk/extensions/authoring/include/NvBlastExtAuthoringMesh.h
@@ -1,19 +1,35 @@
-/*
-* Copyright (c) 2016-2017, NVIDIA CORPORATION.  All rights reserved.
-*
-* NVIDIA CORPORATION and its licensors retain all intellectual property
-* and proprietary rights in and to this software, 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.
-*/
+// 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) 2016-2017 NVIDIA Corporation. All rights reserved.
+
 
 #ifndef NVBLASTAUTHORINGMESH_H
 #define NVBLASTAUTHORINGMESH_H
 
 #include "NvBlastExtAuthoringTypes.h"
-#include <vector>
-
 
 namespace Nv
 {
@@ -26,147 +42,106 @@ namespace Blast
 class Mesh
 {
 public:
+	virtual ~Mesh() {}
 
 	/**
-		Constructs mesh object from array of triangles.
-		\param[in] position			Array of vertex positions
-		\param[in] normals			Array of vertex normals
-		\param[in] uv				Array of vertex uv coordinates
-		\param[in] verticesCount	Vertices count
-		\param[in] indices			Array of vertex indices. Indices contain vertex index triplets which form a mesh triangle. 
-		\param[in] indicesCount		Indices count (should be equal to numberOfTriangles * 3)
+		Release Mesh memory
 	*/
-	Mesh(physx::PxVec3* position, physx::PxVec3* normals, physx::PxVec2* uv, uint32_t verticesCount, uint32_t* indices, uint32_t indicesCount);
+	virtual void				release() = 0;
 
 	/**
-		Constructs mesh object from array of facets.
-		\param[in] vertices		Array of vertices
-		\param[in] edges		Array of edges
-		\param[in] facets		Array of facets
-		\param[in] posCount		Vertices count
-		\param[in] edgesCount	Edges count
-		\param[in] facetsCount	Facets count
+		Return true if mesh is valid
 	*/
-	Mesh(Vertex* vertices, Edge* edges, Facet* facets, uint32_t posCount, uint32_t edgesCount, uint32_t facetsCount);
+	virtual bool				isValid() const = 0;
 
-	~Mesh();
+	/**
+		Return writable pointer on vertices array
+	*/
+	virtual Vertex*				getVerticesWritable() = 0;
 
 	/**
-		Return true if mesh is valid
+	Return pointer on vertices array
+	*/
+	virtual const Vertex*		getVertices() const = 0;
+
+
+	/**
+		Return writable pointer on edges array
 	*/
-	bool				isValid();
+	virtual Edge*				getEdgesWritable() = 0;
 
 	/**
-		Return pointer on vertices array
+	Return pointer on edges array
 	*/
-	Vertex*				getVertices();
+	virtual const Edge*			getEdges() const = 0;
 
 	/**
-		Return pointer on edges array
+		Return writable pointer on facets array
 	*/
-	Edge*				getEdges();
+	virtual Facet*				getFacetsBufferWritable() = 0;
 
 	/**
-		Return pointer on facets array
+	Return pointer on facets array
 	*/
-	Facet*				getFacetsBuffer();
+	virtual const Facet*		getFacetsBuffer() const = 0;
 
 	/**
+		Return writable pointer on specified facet
+	*/
+	virtual Facet*				getFacetWritable(int32_t facet) = 0;
+	/**
 		Return pointer on specified facet
 	*/
-	Facet*				getFacet(int32_t facet);
+	virtual const Facet*		getFacet(int32_t facet) const = 0;
 
 	/**
 		Return edges count
 	*/
-	uint32_t			getEdgesCount();
+	virtual uint32_t			getEdgesCount() const = 0;
 
 	/**
 		Return vertices count
 	*/
-	uint32_t			getVerticesCount();
+	virtual uint32_t			getVerticesCount() const = 0;
 
 	/**
 		Return facet count
 	*/
-	uint32_t			getFacetCount();
+	virtual uint32_t			getFacetCount() const = 0;
 
 	/**
 		Return reference on mesh bounding box.
 	*/
-	physx::PxBounds3&	getBoundingBox();
+	virtual const physx::PxBounds3&	getBoundingBox() const = 0;
+
+	/**
+		Return writable reference on mesh bounding box.
+	*/
+	virtual physx::PxBounds3&	getBoundingBoxWritable() = 0;
+
+
+	/**
+		Set per-facet material id.
+	*/
+	virtual void	setMaterialId(int32_t* materialIds) = 0;
+
+	/**
+		Set per-facet smoothing group.
+	*/
+	virtual void	setSmoothingGroup(int32_t* smoothingGroup) = 0;
 
 	/**
 		Recalculate bounding box
 	*/
-	void				recalculateBoundingBox();
+	virtual void				recalculateBoundingBox() = 0;
 
 	/**
 		Compute mesh volume. Can be used only for triangulated meshes.
 		Return mesh volume. If mesh is not triangulated return 0.
 	*/
-	float				getMeshVolume();
-
-private:
-	std::vector<Vertex>	mVertices;
-	std::vector<Edge>	mEdges;
-	std::vector<Facet>	mFacets;
-	physx::PxBounds3	mBounds;
+	virtual float				getMeshVolume() = 0;
 };
 
-
-/**
-	Helper functions
-*/
-
-/**
-	Set cutting box at some particular position.
-	\param[in] point	Cutting face center
-	\param[in] normal	Cutting face normal
-	\param[in] mesh		Cutting box mesh
-	\param[in] size		Cutting box size
-	\param[in] id	Cutting box ID
-*/
-void	setCuttingBox(const physx::PxVec3& point, const physx::PxVec3& normal, Mesh* mesh, float size, int32_t id);
-/**
-	Create cutting box at some particular position.
-	\param[in] point	Cutting face center
-	\param[in] normal	Cutting face normal
-	\param[in] size		Cutting box size
-	\param[in] id	Cutting box ID
-*/
-Mesh*	getCuttingBox(const physx::PxVec3& point, const physx::PxVec3& normal, float size, int32_t id);
-
-/**
-	Create box at some particular position.
-	\param[in] point	Cutting face center
-	\param[in] size		Cutting box size
-*/
-Mesh*	getBigBox(const physx::PxVec3& point, float size);
-
-/**
-	Create slicing box with noisy cutting surface.
-	\param[in] point			Cutting face center
-	\param[in] normal			Cutting face normal
-	\param[in] size				Cutting box size
-	\param[in] jaggedPlaneSize	Noisy surface size
-	\param[in] resolution		Noisy surface resolution
-	\param[in] id				Cutting box ID
-	\param[in] amplitude		Noise amplitude
-	\param[in] frequency		Noise frequency
-	\param[in] octaves			Noise octaves
-	\param[in] seed				Random generator seed, used for noise generation.	
-*/
-Mesh* getNoisyCuttingBoxPair(const physx::PxVec3& point, const physx::PxVec3& normal, float size, float jaggedPlaneSize, uint32_t resolution, int32_t id, float amplitude, float frequency, int32_t octaves, int32_t seed);
-
-
-/**
-	Inverses normals of cutting box and sets indices. 
-	\param[in] mesh		Cutting box mesh
-	\param[in] id	Cutting box ID
-*/
-void inverseNormalAndSetIndices(Mesh* mesh, int32_t id);
-
 } // namespace Blast
 } // namespace Nv
 
diff --git a/sdk/extensions/authoring/include/NvBlastExtAuthoringMeshCleaner.h b/sdk/extensions/authoring/include/NvBlastExtAuthoringMeshCleaner.h
new file mode 100644
index 0000000..b352e80
--- /dev/null
+++ b/sdk/extensions/authoring/include/NvBlastExtAuthoringMeshCleaner.h
@@ -0,0 +1,71 @@
+// 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) 2016-2017 NVIDIA Corporation. All rights reserved.
+
+
+#ifndef NVBLASTEXTAUTHORINGMESHCLEANER_H
+#define NVBLASTEXTAUTHORINGMESHCLEANER_H
+
+#include "NvBlastExtAuthoringTypes.h"
+
+/**
+	FractureTool has requirements to input meshes to fracture them successfully:
+		1) Mesh should be closed (watertight)
+		2) There should not be self-intersections and open-edges.
+*/
+
+/**
+	Mesh cleaner input is closed mesh with self-intersections and open-edges (only in the interior). 
+	It tries to track outer hull to make input mesh solid and meet requierements of FractureTool. If mesh contained some internal cavities they will be removed.
+*/
+
+namespace Nv
+{
+namespace Blast
+{
+
+class Mesh;
+
+class MeshCleaner
+{
+public:
+	virtual ~MeshCleaner() {}
+
+	/**
+		Tries to remove self intersections and open edges in interior of mesh.
+		\param[in] mesh Mesh to be cleaned.
+		\return Cleaned mesh or nullptr if failed.
+	*/
+	virtual Mesh* cleanMesh(const Mesh* mesh) = 0;
+
+	virtual void release() = 0;
+};
+
+
+} // namespace Blast
+} // namespace Nv
+
+#endif // ifndef NVBLASTEXTAUTHORINGMESHCLEANER_H
\ No newline at end of file
diff --git a/sdk/extensions/authoring/include/NvBlastExtAuthoringTypes.h b/sdk/extensions/authoring/include/NvBlastExtAuthoringTypes.h
index de28866..13865f7 100644
--- a/sdk/extensions/authoring/include/NvBlastExtAuthoringTypes.h
+++ b/sdk/extensions/authoring/include/NvBlastExtAuthoringTypes.h
@@ -1,12 +1,30 @@
-/*
-* Copyright (c) 2016-2017, NVIDIA CORPORATION.  All rights reserved.
-*
-* NVIDIA CORPORATION and its licensors retain all intellectual property
-* and proprietary rights in and to this software, 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.
-*/
+// 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) 2016-2017 NVIDIA Corporation. All rights reserved.
+
 
 #ifndef NVBLASTAUTHORINGTYPES_H
 #define NVBLASTAUTHORINGTYPES_H
@@ -14,7 +32,6 @@
 #include <PxVec3.h>
 #include <PxVec2.h>
 #include <PxBounds3.h>
-#include <algorithm>
 #include "NvBlastTypes.h"
 
 #define NOT_VALID_VERTEX INT32_MAX
@@ -51,6 +68,13 @@ struct Vertex
 	physx::PxVec2 uv[1]; // UV-coordinates array, currently supported only one UV coordinate.
 };
 
+
+// Interior material ID
+#define MATERIAL_INTERIOR 1000
+#define SMOOTHING_GROUP_INTERIOR 1000
+
+
+
 /**
 	Mesh triangle representation
 */
@@ -59,7 +83,9 @@ struct Triangle
 	Triangle() {};
 	Triangle(Vertex a, Vertex b, Vertex c) : a(a), b(b), c(c) {};
 	Vertex a, b, c;
-	int32_t userInfo;
+	int32_t userData;
+	int32_t materialId;
+	int32_t smoothingGroup; // NOT SUPPORTED ATM.
 	physx::PxVec3 getNormal()
 	{
 		return ((b.p - a.p).cross(c.p - a.p));
@@ -91,10 +117,28 @@ struct TriangleIndexed
 		return (a == ea || a == eb || a == ec) && (b == ea || b == eb || b == ec);
 	}
 
+	Triangle convertToTriangle(Vertex* vertices)
+	{
+		Triangle tr;
+		tr.a = vertices[ea];
+		tr.b = vertices[eb];
+		tr.c = vertices[ec];
+		
+		tr.userData = userData;
+		tr.materialId = materialId;
+		tr.smoothingGroup = smoothingGroup;
+		return tr;
+	}
+
 	uint32_t ea, eb, ec;
-	int32_t userInfo;
+	int32_t materialId;
+	int32_t smoothingGroup;
+	int32_t userData;
 };
 
+
+
+
 /**
 	Mesh facet representation
 */
@@ -103,11 +147,14 @@ struct Facet
 	int32_t		firstEdgeNumber;
 	uint32_t	edgesCount;
 	int32_t		userData;
-	Facet(int32_t fEdge = 0, uint32_t eCount = 0, int32_t userData = 0) : firstEdgeNumber(fEdge), edgesCount(eCount), userData(userData) {}
+	int32_t		materialId;
+	int32_t		smoothingGroup;
+
+	Facet(int32_t fEdge = 0, uint32_t eCount = 0, int32_t materialId = 0, int32_t userData = 0, int32_t smoothingGroup = 0) : firstEdgeNumber(fEdge), edgesCount(eCount), materialId(materialId), userData(userData), smoothingGroup(smoothingGroup) {}
 };
 
 /**
-Abstract base class for user-defined random value generator.
+	Abstract base class for user-defined random value generator.
 */
 class RandomGeneratorBase
 {
@@ -119,6 +166,110 @@ public:
 	virtual ~RandomGeneratorBase() {};
 };
 
+/**
+	Collision hull geometry format.
+*/
+struct CollisionHull
+{
+	/**
+	Collision hull polygon format.
+	*/
+	struct HullPolygon
+	{
+		// Polygon base plane
+		float		mPlane[4];
+		// Number vertices in polygon
+		uint16_t	mNbVerts;
+		// First index in CollisionHull.indices array for this polygon
+		uint16_t	mIndexBase;
+	};
+	///**
+
+	uint32_t		pointsCount;
+	uint32_t		indicesCount;
+	uint32_t		polygonDataCount;
+	physx::PxVec3*	points;
+	uint32_t*		indices;
+	HullPolygon*	polygonData;
+
+	virtual ~CollisionHull() {}
+
+	virtual void release() = 0;
+};
+
+/**
+	Authoring results. Which contains NvBlastAsset, render and collision meshes
+*/
+struct AuthoringResult
+{
+	uint32_t				chunkCount; //Number of chunks in Blast asset
+
+	uint32_t				bondCount; //Number of bonds in Blast asset
+
+	NvBlastAsset*			asset; //Blast asset
+
+	/**
+		assetToFractureChunkIdMap used for getting internal FractureChunkId with FractureTool::getChunkId.
+		FractureChunkId = FractureTool.getChunkId(aResult.assetToFractureChunkIdMap(AssetChunkId);
+	*/
+	uint32_t*				assetToFractureChunkIdMap;
+
+	/**
+		Offsets for render mesh geometry. Contains chunkCount + 1 element.
+		First triangle for i-th chunk: aResult.geometry[aResult.geometryOffset[i]]
+		aResult.geometryOffset[chunkCount+1] is total number of triangles in geometry
+	*/
+	uint32_t*				geometryOffset;
+
+	Triangle*				geometry; //Raw array of Triangle for all chunks
+
+	NvBlastChunkDesc*		chunkDescs; //Array of chunk descriptors. Contains chunkCount elements
+
+	NvBlastBondDesc*		bondDescs; //Array of bond descriptors. Contains bondCount elements
+
+	/**
+		Collision hull offsets. Contains chunkCount + 1 element.
+		First collision hull for i-th chunk: aResult.collisionHull[aResult.collisionHullOffset[i]]
+		aResult.collisionHullOffset[chunkCount+1] is total number of collision hulls in collisionHull
+	*/
+	uint32_t*				collisionHullOffset;
+
+	CollisionHull**			collisionHull; //Raw array of pointers to collision hull for all chunks.
+
+	/**
+		Array of chunk physics parameters. Contains chunkCount elements
+	*/
+	struct ExtPxChunk*		physicsChunks;
+
+	/**
+		Array of phisics subchunks (convex mesh) descriptors. 
+		Use collisionHullOffset for accessing elements.
+	*/
+	struct ExtPxSubchunk*	physicsSubchunks;
+
+	/**
+		Array of material names.
+	*/
+	char** materialNames;
+	/**
+		Size of array of material names.
+	*/
+
+	uint32_t materialCount;
+
+	//// Member functions ////
+	virtual ~AuthoringResult() {}
+
+	/**
+		Free collision hulls data
+	*/
+	virtual void releaseCollisionHulls() = 0;
+
+	/**
+		Free all data and AuthoringResult
+	*/
+	virtual void release() = 0;
+};
 
 
 } // namespace Blast