Method InitFromSDKMesh

SampleFramework11/v1.01/Graphics/Model.cpp:73–116

};

void Mesh::InitFromSDKMesh(ID3D11Device* device, SDKMesh& sdkMesh, uint32 meshIdx, bool generateTangents)
{
    const SDKMESH_MESH& sdkMeshData = *sdkMesh.GetMesh(meshIdx);

    uint32 indexSize = 2;
    indexType = IndexType::Index16Bit;
    if(sdkMesh.GetIndexType(meshIdx) == IT_32BIT)
    {
        indexSize = 4;
        indexType = IndexType::Index32Bit;
    }

    vertexStride = sdkMesh.GetVertexStride(meshIdx, 0);
    numVertices = static_cast<uint32>(sdkMesh.GetNumVertices(meshIdx, 0));
    numIndices = static_cast<uint32>(sdkMesh.GetNumIndices(meshIdx));
    const uint32 vbIdx = sdkMeshData.VertexBuffers[0];
    const uint32 ibIdx = sdkMeshData.IndexBuffer;

    CreateInputElements(sdkMesh.VBElements(0));

    vertices.resize(vertexStride * numVertices, 0);
    memcpy(vertices.data(), sdkMesh.GetRawVerticesAt(vbIdx), vertexStride * numVertices);

    indices.resize(indexSize * numIndices, 0);
    memcpy(indices.data(), sdkMesh.GetRawIndicesAt(ibIdx), indexSize * numIndices);

    if(generateTangents)
        GenerateTangentFrame();

    CreateVertexAndIndexBuffers(device);

    const uint32 numSubsets = sdkMesh.GetNumSubsets(meshIdx);
    meshParts.resize(numSubsets);
    for(uint32 i = 0; i < numSubsets; ++i)
    {
        const SDKMESH_SUBSET& subset = *sdkMesh.GetSubset(meshIdx, i);
        MeshPart& part = meshParts[i];
        part.IndexStart = static_cast<uint32>(subset.IndexStart);
        part.IndexCount = static_cast<uint32>(subset.IndexCount);
        part.VertexStart = static_cast<uint32>(subset.VertexStart);
        part.VertexCount = static_cast<uint32>(subset.VertexCount);
        part.MaterialIdx = subset.MaterialID;
    }
}

void Mesh::InitFromAssimpMesh(ID3D11Device* device, const aiMesh& assimpMesh)
{