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kaplademo/source/kaplaDemo/Fracture/Core/CompoundGeometryBase.h

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+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+//  * Redistributions of source code must retain the above copyright
+//    notice, this list of conditions and the following disclaimer.
+//  * Redistributions in binary form must reproduce the above copyright
+//    notice, this list of conditions and the following disclaimer in the
+//    documentation and/or other materials provided with the distribution.
+//  * Neither the name of NVIDIA CORPORATION nor the names of its
+//    contributors may be used to endorse or promote products derived
+//    from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+// PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+// Copyright (c) 2018 NVIDIA Corporation. All rights reserved.
+
+#include "RTdef.h"
+#if RT_COMPILE
+#ifndef COMPOUND_GEOMETRY_BASE
+#define COMPOUND_GEOMETRY_BASE
+
+#include <foundation/PxVec3.h>
+#include <foundation/PxPlane.h>
+#include <PsArray.h>
+#include <PsUserAllocated.h>
+
+namespace physx
+{
+namespace fracture
+{
+namespace base
+{
+
+// -----------------------------------------------------------------------------------
+class CompoundGeometry : public ::physx::shdfnd::UserAllocated
+{
+public:
+	CompoundGeometry() {}
+	virtual ~CompoundGeometry() {}
+	bool loadFromFile(const char *filename);
+	bool saveFromFile(const char *filename);
+	void clear();
+	void derivePlanes();
+
+	virtual void debugDraw(int /*maxConvexes*/ = 0) const {}
+
+	struct Convex {			// init using CompoundGeometry::initConvex()
+		int firstVert;
+		int numVerts;
+		int firstNormal;	// one per face index!	If not provided (see face flags) face normal is used
+		int firstIndex;
+		int numFaces;
+		int firstPlane;
+		int firstNeighbor;
+		int numNeighbors;
+		float radius;
+		bool isSphere;
+	};
+
+	void initConvex(Convex &c);
+
+	shdfnd::Array<Convex> convexes;
+	shdfnd::Array<PxVec3> vertices;
+	shdfnd::Array<PxVec3> normals;	// one per face and vertex!
+	// face size, face flags, id, id, .., face size, face flags, id ..
+	shdfnd::Array<int> indices;
+	shdfnd::Array<int> neighbors;
+
+	shdfnd::Array<PxPlane> planes;  // derived for faster cuts
+
+	enum FaceFlags {
+		FF_OBJECT_SURFACE = 1,
+		FF_HAS_NORMALS = 2,
+		FF_INVISIBLE = 4,
+		FF_NEW = 8,
+	};
+};
+
+}
+}
+}
+
+#endif
+#endif