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diff --git a/NvBlast/samples/SampleBase/blast/BlastFamilyModelSimple.cpp 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);
+ }
+ }
+}