first commitv1.0.0-beta

1 files changed, 127 insertions, 0 deletions

diff --git a/NvBlast/sdk/extensions/serialization/source/DTO/PxConvexMeshGeometryDTO.cpp b/NvBlast/sdk/extensions/serialization/source/DTO/PxConvexMeshGeometryDTO.cpp
new file mode 100644
index 0000000..1c46f9e
--- /dev/null
+++ b/NvBlast/sdk/extensions/serialization/source/DTO/PxConvexMeshGeometryDTO.cpp
@@ -0,0 +1,127 @@
+/*
+* 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.
+*/
+
+#include "PxConvexMeshGeometryDTO.h"
+#include "PxMeshScaleDTO.h"
+#include "NvBlastAssert.h"
+#include "NvBlastExtKJPxInputStream.h"
+#include "NvBlastExtKJPxOutputStream.h"
+#include "PxConvexMeshDesc.h"
+#include "NvBlastExtSerialization.h"
+#include "PxVec3.h"
+#include <algorithm>
+#include "PxPhysics.h"
+
+
+namespace Nv
+{
+	namespace Blast
+	{
+		physx::PxCooking* PxConvexMeshGeometryDTO::Cooking = nullptr;
+		physx::PxPhysics* PxConvexMeshGeometryDTO::Physics = nullptr;
+
+		bool PxConvexMeshGeometryDTO::serialize(Nv::Blast::Serialization::PxConvexMeshGeometry::Builder builder, const physx::PxConvexMeshGeometry * poco)
+		{
+			PxMeshScaleDTO::serialize(builder.getScale(), &poco->scale);
+		
+			//TODO: Use cooking.cookConvexMesh to cook the mesh to a stream - then get that backing buffer and put it into the Data field
+		
+			physx::PxConvexMeshDesc desc;
+			desc.points.data = poco->convexMesh->getVertices();
+			desc.points.count = poco->convexMesh->getNbVertices();
+			desc.points.stride = sizeof(physx::PxVec3);
+		
+			std::vector<uint32_t> indicesScratch;
+			std::vector<physx::PxHullPolygon> hullPolygonsScratch;
+		
+			hullPolygonsScratch.resize(poco->convexMesh->getNbPolygons());
+		
+			uint32_t indexCount = 0;
+			for (uint32_t i = 0; i < hullPolygonsScratch.size(); i++)
+			{
+				physx::PxHullPolygon polygon;
+				poco->convexMesh->getPolygonData(i, polygon);
+				if (polygon.mNbVerts)
+				{
+					indexCount = std::max<uint32_t>(indexCount, polygon.mIndexBase + polygon.mNbVerts);
+				}
+			}
+			indicesScratch.resize(indexCount);
+		
+			for (uint32_t i = 0; i < hullPolygonsScratch.size(); i++)
+			{
+				physx::PxHullPolygon polygon;
+				poco->convexMesh->getPolygonData(i, polygon);
+				for (uint32_t j = 0; j < polygon.mNbVerts; j++)
+				{
+					indicesScratch[polygon.mIndexBase + j] = poco->convexMesh->getIndexBuffer()[polygon.mIndexBase + j];
+				}
+		
+				hullPolygonsScratch[i] = polygon;
+			}
+		
+			desc.indices.count = indexCount;
+			desc.indices.data = indicesScratch.data();
+			desc.indices.stride = sizeof(uint32_t);
+		
+			desc.polygons.count = poco->convexMesh->getNbPolygons();
+			desc.polygons.data = hullPolygonsScratch.data();
+			desc.polygons.stride = sizeof(physx::PxHullPolygon);
+		
+		
+			std::vector<unsigned char> buffer;
+			buffer.resize(16 * 1024 * 1024); // No idea how much memory is needed! Allocate 16MB
+			kj::ArrayPtr<unsigned char> bufferArray(buffer.data(), buffer.size());
+		
+			Nv::Blast::ExtKJPxOutputStream outputStream(bufferArray);
+		
+			bool cookResult = Cooking->cookConvexMesh(desc, outputStream);
+		
+			if (!cookResult)
+			{
+				return false;
+			}
+		
+			kj::ArrayPtr<unsigned char> cookedBuffer(outputStream.getBuffer().begin(), outputStream.getWrittenBytes());
+		
+			builder.setConvexMesh(cookedBuffer);
+		
+		//	builder.getConvexMesh().
+		
+			return true;
+		}
+		
+		physx::PxConvexMeshGeometry* PxConvexMeshGeometryDTO::deserialize(Nv::Blast::Serialization::PxConvexMeshGeometry::Reader reader)
+		{
+			NVBLAST_ASSERT(PxConvexMeshGeometryDTO::Cooking != nullptr);
+		
+			reader = reader;
+		
+			return nullptr;
+		}
+		
+		bool PxConvexMeshGeometryDTO::deserializeInto(Nv::Blast::Serialization::PxConvexMeshGeometry::Reader reader, physx::PxConvexMeshGeometry * poco)
+		{
+			NVBLAST_ASSERT(PxConvexMeshGeometryDTO::Cooking != nullptr);
+		
+			PxMeshScaleDTO::deserializeInto(reader.getScale(), &poco->scale);
+		
+			Nv::Blast::ExtKJPxInputStream inputStream(reader.getConvexMesh());
+		
+			//NOTE: Naive approach, no shared convex hulls
+			poco->convexMesh = Physics->createConvexMesh(inputStream);
+		
+			return false;
+		}
+		
+		
+		
+	}
+}