Blast 1.1 release (windows / linux)

see docs/release_notes.txt for details

1 files changed, 193 insertions, 0 deletions

diff --git a/sdk/extensions/authoring/source/NvBlastExtAuthoringMeshNoiser.h b/sdk/extensions/authoring/source/NvBlastExtAuthoringMeshNoiser.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) 2016-2017 NVIDIA Corporation. All rights reserved.
+
+
+#ifndef NVBLASTEXTAUTHORINGMESHNOISER_H
+#define NVBLASTEXTAUTHORINGMESHNOISER_H
+#include <vector>
+#include <map>
+#include "NvBlastExtAuthoringInternalCommon.h"
+
+namespace Nv
+{
+	namespace Blast
+	{
+		class SimplexNoise;
+
+		/**
+		Structure used on tesselation stage. Maps edge to two neighboor triangles
+		*/
+		struct EdgeToTriangles
+		{
+			int32_t tr[2];
+			int32_t c;
+			EdgeToTriangles()
+			{
+				c = 0;
+			}
+			/**
+			Add triangle to edge. Should not be called more than twice for one edge!!!!.
+			*/
+			void	add(int32_t t)
+			{
+				tr[c] = t;
+				++c;
+			}
+			/**
+			Replaces mapping from one triangle to another.
+			*/
+			void	replace(int32_t from, int32_t to)
+			{
+				if (tr[0] == from)
+				{
+					tr[0] = to;
+				}
+				else
+				{
+					if (c == 2 && tr[1] == from)
+					{
+						tr[1] = to;
+					}
+				}
+			}
+			/**
+			Get triangle which is mapped by this edge and which index is different than provided.
+			*/
+			int32_t	getNot(int32_t id)
+			{
+				if (tr[0] != id)
+				{
+					return tr[0];
+				}
+				if (c == 2 && tr[1] != id)
+				{
+					return tr[1];
+				}
+				return -1;
+			}
+
+		};
+
+		/**
+			Tool for graphic mesh tesselation and adding noise to internal surface. Each triangle must have initialized 
+			Triangle::userInfo field (0 for external surface triangles and != 0 for internal)
+		*/
+		class MeshNoiser
+		{
+		public:
+			MeshNoiser()
+			{
+				reset();
+			}
+
+			void reset();
+
+			/**
+			Edge flags
+			*/
+			enum EdgeFlag { INTERNAL_EDGE, EXTERNAL_BORDER_EDGE, INTERNAL_BORDER_EDGE, EXTERNAL_EDGE, NONE };
+
+	
+			/**
+				Set mesh to tesselate and apply noise
+			*/
+			void setMesh(const std::vector<Triangle>& mesh);
+
+			/**
+			Tesselate internal surface.
+			\param[in] maxLen - maximal length of edge on internal surface.
+			*/
+			void							tesselateInternalSurface(float maxLen);
+
+			/**
+			Apply noise to internal surface. Must be called only after tesselation!!!
+			\param[in] noise - noise generator
+			\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 smooting before applying noise.
+			*/
+			void							applyNoise(SimplexNoise& noise, float falloff, int32_t relaxIterations, float relaxFactor);
+
+			std::vector<Triangle>			getMesh();
+
+		private:
+			PxVec3								mOffset;
+			float								mScale;
+			bool								isTesselated;
+			/**
+				Mesh data
+			*/
+			std::vector<Vertex>					mVertices;
+			std::vector<TriangleIndexed>		mTriangles;
+			std::vector<Edge>					mEdges;
+			std::map<Vertex, int32_t, VrtComp>	mVertMap;
+			std::map<Edge, int32_t>				mEdgeMap;
+
+
+			/**
+				Final triangles.
+			*/
+			std::vector<Triangle>			mResultTriangles;
+
+
+			int32_t							addVerticeIfNotExist(const Vertex& p);
+			int32_t							addEdge(const Edge& e);
+			int32_t							findEdge(const Edge& e);
+
+
+
+			void							collapseEdge(int32_t id);
+			void							divideEdge(int32_t id);
+			void							updateVertEdgeInfo();
+			void							updateEdgeTriangleInfo();
+			void							relax(int32_t iterations, float factor, std::vector<Vertex>& vertices);
+			void							recalcNoiseDirs();
+
+
+			std::vector<bool>							mRestrictionFlag;
+			std::vector<EdgeFlag>						mEdgeFlag;
+			std::vector<EdgeToTriangles>				mTrMeshEdToTr;
+			std::vector<int32_t>						mVertexValence;
+			std::vector<std::vector<int32_t> >			mVertexToTriangleMap;
+
+
+
+			std::vector<float>							mVerticesDistances;
+			std::vector<physx::PxVec3>					mVerticesNormalsSmoothed;
+			std::vector<int32_t>						mPositionMappedVrt;
+			std::vector<std::vector<int32_t> >			mGeometryGraph;
+
+			void										prebuildEdgeFlagArray();
+			void										computePositionedMapping();
+			void										computeFalloffAndNormals();
+
+			void										prebuildTesselatedTriangles();
+		};
+
+	} // namespace Blast
+} // namespace Nv
+#endif // ! NVBLASTEXTAUTHORINGMESHNOISER_H