first commitv1.0.0-beta

1 files changed, 335 insertions, 0 deletions

diff --git a/NvBlast/samples/SampleBase/blast/BlastFamilyModelSimple.cpp b/NvBlast/samples/SampleBase/blast/BlastFamilyModelSimple.cpp
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+++ b/NvBlast/samples/SampleBase/blast/BlastFamilyModelSimple.cpp
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+/*
+* Copyright (c) 2008-2015, 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 "BlastFamilyModelSimple.h"
+#include "RenderUtils.h"
+#include "DeviceManager.h"
+#include "Renderer.h"
+#include "NvBlastExtPxAsset.h"
+#include "NvBlastExtPxActor.h"
+#include "NvBlastTkActor.h"
+#include "NvBlastTkAsset.h"
+#include "PxRigidDynamic.h"
+
+using namespace physx;
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+//												SimpleRenderMesh
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+class SimpleRenderMesh : public IRenderMesh
+{
+public:
+	SimpleRenderMesh(const SimpleMesh* mesh) : m_mesh(mesh)
+	{
+		m_device = GetDeviceManager()->GetDevice();
+
+		m_inputDesc.push_back({ "POSITION", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 0, D3D11_INPUT_PER_VERTEX_DATA, 0 });
+		m_inputDesc.push_back({ "NORMAL", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 12, D3D11_INPUT_PER_VERTEX_DATA, 0 });
+		m_inputDesc.push_back({ "TEXCOORD", 0, DXGI_FORMAT_R32G32_FLOAT, 0, 24, D3D11_INPUT_PER_VERTEX_DATA, 0 });
+		m_inputDesc.push_back({ "TEXCOORD", 1, DXGI_FORMAT_R32_FLOAT, 1, 0, D3D11_INPUT_PER_VERTEX_DATA, 0 });
+
+		m_numVertices = static_cast<uint32_t>(mesh->vertices.size());
+		m_numFaces = static_cast<uint32_t>(mesh->indices.size());
+
+		// VB
+		{
+			D3D11_SUBRESOURCE_DATA vertexBufferData;
+			ZeroMemory(&vertexBufferData, sizeof(vertexBufferData));
+			vertexBufferData.pSysMem = mesh->vertices.data();
+
+			D3D11_BUFFER_DESC bufferDesc;
+			memset(&bufferDesc, 0, sizeof(D3D11_BUFFER_DESC));
+			bufferDesc.BindFlags = D3D11_BIND_VERTEX_BUFFER;
+			bufferDesc.ByteWidth = sizeof(SimpleMesh::Vertex) * m_numVertices;
+			bufferDesc.CPUAccessFlags = 0;
+			bufferDesc.MiscFlags = 0;
+			bufferDesc.Usage = D3D11_USAGE_IMMUTABLE;
+
+			V(m_device->CreateBuffer(&bufferDesc, &vertexBufferData, &m_vertexBuffer));
+		}
+
+		// Health Buffer
+		{
+			// fill with 1.0f initially
+			std::vector<float> healths(mesh->vertices.size());
+			std::fill(healths.begin(), healths.end(), 1.0f);
+
+			D3D11_SUBRESOURCE_DATA vertexBufferData;
+			ZeroMemory(&vertexBufferData, sizeof(vertexBufferData));
+			vertexBufferData.pSysMem = healths.data();
+
+			D3D11_BUFFER_DESC bufferDesc;
+			memset(&bufferDesc, 0, sizeof(D3D11_BUFFER_DESC));
+			bufferDesc.BindFlags = D3D11_BIND_VERTEX_BUFFER;
+			bufferDesc.ByteWidth = (uint32_t)(sizeof(float) * m_numVertices);
+			bufferDesc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
+			bufferDesc.MiscFlags = 0;
+			bufferDesc.Usage = D3D11_USAGE_DYNAMIC;
+
+			V(m_device->CreateBuffer(&bufferDesc, &vertexBufferData, &m_healthBuffer));
+		}
+
+		// IB
+		if (m_numFaces)
+		{
+			D3D11_SUBRESOURCE_DATA indexBufferData;
+
+			ZeroMemory(&indexBufferData, sizeof(indexBufferData));
+			indexBufferData.pSysMem = mesh->indices.data();
+
+			D3D11_BUFFER_DESC bufferDesc;
+
+			memset(&bufferDesc, 0, sizeof(D3D11_BUFFER_DESC));
+			bufferDesc.BindFlags = D3D11_BIND_INDEX_BUFFER;
+			bufferDesc.ByteWidth = sizeof(uint16_t) * m_numFaces;
+			bufferDesc.CPUAccessFlags = 0;
+			bufferDesc.MiscFlags = 0;
+			bufferDesc.Usage = D3D11_USAGE_IMMUTABLE;
+
+			V(m_device->CreateBuffer(&bufferDesc, &indexBufferData, &m_indexBuffer));
+		}
+	}
+
+	~SimpleRenderMesh()
+	{
+		SAFE_RELEASE(m_healthBuffer);
+		SAFE_RELEASE(m_vertexBuffer);
+		SAFE_RELEASE(m_indexBuffer);
+	}
+
+
+	void render(ID3D11DeviceContext& context) const
+	{
+		context.IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
+
+		UINT strides[2] = { sizeof(SimpleMesh::Vertex), sizeof(uint32_t) };
+		UINT offsets[2] = { 0 };
+		ID3D11Buffer* buffers[2] = { m_vertexBuffer, m_healthBuffer };
+		context.IASetVertexBuffers(0, 2, buffers, strides, offsets);
+
+
+		context.IASetIndexBuffer(m_indexBuffer, DXGI_FORMAT_R16_UINT, 0);
+
+		if (m_indexBuffer)
+			context.DrawIndexed(m_numFaces, 0, 0);
+		else
+			context.Draw(m_numVertices, 0);
+	}
+
+	const std::vector<D3D11_INPUT_ELEMENT_DESC>& getInputElementDesc() const { return m_inputDesc; }
+	
+	const SimpleMesh* getMesh() { return m_mesh; }
+
+	void updateHealths(const std::vector<float>& healths)
+	{
+		ID3D11DeviceContext* context;
+		m_device->GetImmediateContext(&context);
+
+		// update buffer
+		{
+			D3D11_MAPPED_SUBRESOURCE mappedRead;
+			V(context->Map(m_healthBuffer, 0, D3D11_MAP_WRITE_DISCARD, NULL, &mappedRead));
+			memcpy(mappedRead.pData, healths.data(), sizeof(float) * healths.size());
+			context->Unmap(m_healthBuffer, 0);
+		}
+
+	}
+
+
+private:
+
+	ID3D11Device* m_device;
+
+	ID3D11Buffer* m_vertexBuffer;
+	ID3D11Buffer* m_healthBuffer;
+	ID3D11Buffer* m_indexBuffer;
+	uint32_t      m_numFaces;
+	uint32_t      m_numVertices;
+
+	std::vector<D3D11_INPUT_ELEMENT_DESC> m_inputDesc;
+
+	const SimpleMesh* m_mesh;
+};
+
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+//											BlastFamilyModelSimple
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+BlastFamilyModelSimple::BlastFamilyModelSimple(PhysXController& physXController, ExtPxManager& pxManager, Renderer& renderer, const BlastAssetModelSimple& blastAsset, const BlastAsset::ActorDesc& desc)
+	: BlastFamily(physXController, pxManager, blastAsset), m_renderer(renderer)
+{
+	// materials
+	auto materials = blastAsset.getRenderMaterials();
+
+	// model
+	const BlastModel& model = blastAsset.getModel();
+
+	// create render mesh for every BlastModel::Chunk::Mesh and renderable with it
+	const std::vector<BlastModel::Chunk>& modelChunks = model.chunks;
+	m_chunks.resize(modelChunks.size());
+	for (uint32_t chunkIndex = 0; chunkIndex < modelChunks.size(); chunkIndex++)
+	{
+		const std::vector<BlastModel::Chunk::Mesh>& meshes = modelChunks[chunkIndex].meshes;
+		std::vector<SimpleRenderMesh*>& renderMeshes = m_chunks[chunkIndex].renderMeshes;
+		std::vector<Renderable*>& renderables = m_chunks[chunkIndex].renderables;
+		renderMeshes.resize(meshes.size());
+		renderables.resize(meshes.size());
+		for (uint32_t i = 0; i < meshes.size(); i++)
+		{
+			renderMeshes[i] = new SimpleRenderMesh(&meshes[i].mesh);
+
+			uint32_t materialIndex = model.chunks[chunkIndex].meshes[i].materialIndex;
+			Renderable* renderable = renderer.createRenderable(*renderMeshes[i], *materials[materialIndex]);
+			renderable->setHidden(true);
+			renderables[i] = renderable;
+
+		}
+	}
+
+	// initialize in position
+	initialize(desc);
+}
+
+BlastFamilyModelSimple::~BlastFamilyModelSimple()
+{
+	// release all chunks
+	for (uint32_t chunkIndex = 0; chunkIndex < m_chunks.size(); chunkIndex++)
+	{
+		std::vector<Renderable*>& renderables = m_chunks[chunkIndex].renderables;
+		for (uint32_t i = 0; i < m_chunks[chunkIndex].renderables.size(); i++)
+		{
+			m_renderer.removeRenderable(m_chunks[chunkIndex].renderables[i]);
+			SAFE_DELETE(m_chunks[chunkIndex].renderMeshes[i]);
+		}
+	}
+}
+
+void BlastFamilyModelSimple::onActorCreated(const ExtPxActor& actor)
+{
+	// separate color for every material
+	std::vector<DirectX::XMFLOAT4> colors;
+
+	const uint32_t* chunkIndices = actor.getChunkIndices();
+	uint32_t chunkCount = actor.getChunkCount();
+	for (uint32_t i = 0; i < chunkCount; i++)
+	{
+		uint32_t chunkIndex = chunkIndices[i];
+		std::vector<Renderable*>& renderables = m_chunks[chunkIndex].renderables;
+		for (uint32_t r = 0; r < renderables.size(); r++)
+		{
+			if (colors.size() <= r)
+				colors.push_back(getRandomPastelColor());
+
+			renderables[r]->setHidden(false);
+			renderables[r]->setColor(colors[r]);
+		}
+	}
+}
+
+void BlastFamilyModelSimple::onActorUpdate(const ExtPxActor& actor)
+{
+	const ExtPxChunk* chunks = m_blastAsset.getPxAsset()->getChunks();
+	const ExtPxSubchunk* subChunks = m_blastAsset.getPxAsset()->getSubchunks();
+	const uint32_t* chunkIndices = actor.getChunkIndices();
+	uint32_t chunkCount = actor.getChunkCount();
+	for (uint32_t i = 0; i < chunkCount; i++)
+	{
+		uint32_t chunkIndex = chunkIndices[i];
+		std::vector<Renderable*>& renderables = m_chunks[chunkIndex].renderables;
+		for (Renderable* r : renderables)
+		{
+			r->setTransform(actor.getPhysXActor().getGlobalPose() * subChunks[chunks[chunkIndex].firstSubchunkIndex].transform);
+		}
+	}
+}
+
+void BlastFamilyModelSimple::onActorDestroyed(const ExtPxActor& actor)
+{
+	const uint32_t* chunkIndices = actor.getChunkIndices();
+	uint32_t chunkCount = actor.getChunkCount();
+	for (uint32_t i = 0; i < chunkCount; i++)
+	{
+		uint32_t chunkIndex = chunkIndices[i];
+		std::vector<Renderable*>& renderables = m_chunks[chunkIndex].renderables;
+		for (Renderable* r : renderables)
+		{
+			r->setHidden(true);
+		}
+	}
+}
+
+void BlastFamilyModelSimple::onActorHealthUpdate(const ExtPxActor& actor)
+{
+	TkActor& tkActor = actor.getTkActor();
+	const TkAsset* tkAsset = tkActor.getAsset();
+
+	const float* bondHealths = tkActor.getBondHealths();
+	uint32_t nodeCount = tkActor.getGraphNodeCount();
+	if (nodeCount == 0) // subsupport chunks don't have graph nodes
+		return;
+
+	std::vector<uint32_t> nodes(tkActor.getGraphNodeCount());
+	tkActor.getGraphNodeIndices(nodes.data(), static_cast<uint32_t>(nodes.size()));
+
+	const NvBlastChunk* chunks = tkAsset->getChunks();
+	const NvBlastBond* bonds = tkAsset->getBonds();
+
+	const NvBlastSupportGraph graph = tkAsset->getGraph();
+
+	std::vector<float> healthBuffer;
+
+	for (uint32_t node0 : nodes)
+	{
+		uint32_t chunkIndex = graph.chunkIndices[node0];
+
+		if (chunkIndex >= m_chunks.size())
+			continue;
+
+		std::vector<SimpleRenderMesh*>& meshes = m_chunks[chunkIndex].renderMeshes;
+		const auto& renderables = m_chunks[chunkIndex].renderables;
+		for (uint32_t i = 0; i < meshes.size(); ++i)
+		{
+			if(renderables[i]->isHidden())
+				continue;
+
+			SimpleRenderMesh* renderMesh = meshes[i];
+
+			const SimpleMesh* mesh = renderMesh->getMesh();
+			healthBuffer.resize(mesh->vertices.size());
+			
+			for (uint32_t vertexIndex = 0; vertexIndex < mesh->vertices.size(); vertexIndex++)
+			{
+				PxVec3 position = mesh->vertices[vertexIndex].position;
+				float health = 0.0f;
+				float healthDenom = 0.0f;
+
+				for (uint32_t adjacencyIndex = graph.adjacencyPartition[node0]; adjacencyIndex < graph.adjacencyPartition[node0 + 1]; adjacencyIndex++)
+				{
+					uint32_t node1 = graph.adjacentNodeIndices[adjacencyIndex];
+					uint32_t bondIndex = graph.adjacentBondIndices[adjacencyIndex];
+					float bondHealth = PxClamp(bondHealths[bondIndex] / BOND_HEALTH_MAX, 0.0f, 1.0f);
+					const NvBlastBond& solverBond = bonds[bondIndex];
+					const PxVec3& centroid = reinterpret_cast<const PxVec3&>(solverBond.centroid);
+					
+					float factor = 1.0f / (centroid - position).magnitudeSquared();
+
+					health += bondHealth * factor;
+					healthDenom += factor;
+				}
+
+				healthBuffer[vertexIndex] = healthDenom > 0.0f ? health / healthDenom : 1.0f;
+			}
+
+			renderMesh->updateHealths(healthBuffer);
+		}
+	}
+}