65255f1321
Added the files provided for the tutorial Added the SplitMeshNode and SubMeshNode classes
249 lines
9.3 KiB
C++
249 lines
9.3 KiB
C++
#include "TexturedCubeNode.h"
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struct Vertex
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{
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XMFLOAT3 Position;
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XMFLOAT3 Normal;
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XMFLOAT2 TextureCoordinate;
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};
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struct CBUFFER
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{
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XMMATRIX CompleteTransformation;
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XMMATRIX WorldTransformation;
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XMVECTOR LightVector;
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XMFLOAT4 LightColour;
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XMFLOAT4 AmbientColour;
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};
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bool TexturedCubeNode::Initialise()
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{
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_device = DirectXFramework::GetDXFramework()->GetDevice();
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_deviceContext = DirectXFramework::GetDXFramework()->GetDeviceContext();
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if (_device.Get() == nullptr || _deviceContext.Get() == nullptr)
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{
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return false;
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}
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BuildGeometryBuffers();
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BuildShaders();
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BuildVertexLayout();
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BuildConstantBuffer();
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BuildTexture();
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return true;
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}
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void TexturedCubeNode::Render()
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{
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XMMATRIX projectionTransformation = DirectXFramework::GetDXFramework()->GetProjectionTransformation();
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XMMATRIX viewTransformation = DirectXFramework::GetDXFramework()->GetViewTransformation();
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// Calculate the world x view x projection transformation
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XMMATRIX completeTransformation = XMLoadFloat4x4(&_combinedWorldTransformation) * viewTransformation * projectionTransformation;
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// Draw the first cube
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CBUFFER cBuffer;
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cBuffer.CompleteTransformation = completeTransformation;
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cBuffer.WorldTransformation = XMLoadFloat4x4(&_combinedWorldTransformation);
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cBuffer.AmbientColour = XMFLOAT4(0.3f, 0.3f, 0.3f, 1.0f);
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cBuffer.LightVector = XMVector4Normalize(XMVectorSet(0.0f, 1.0f, 1.0f, 0.0f));
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cBuffer.LightColour = XMFLOAT4(1.0f, 1.0f, 1.0f, 1.0f);
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// Update the constant buffer
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_deviceContext->VSSetConstantBuffers(0, 1, _constantBuffer.GetAddressOf());
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_deviceContext->UpdateSubresource(_constantBuffer.Get(), 0, 0, &cBuffer, 0, 0);
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// Set the texture to be used by the pixel shader
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_deviceContext->PSSetShaderResources(0, 1, _texture.GetAddressOf());
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// Now render the cube
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UINT stride = sizeof(Vertex);
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UINT offset = 0;
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_deviceContext->IASetVertexBuffers(0, 1, _vertexBuffer.GetAddressOf(), &stride, &offset);
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_deviceContext->IASetIndexBuffer(_indexBuffer.Get(), DXGI_FORMAT_R32_UINT, 0);
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_deviceContext->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
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_deviceContext->DrawIndexed(36, 0, 0);
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}
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void TexturedCubeNode::Shutdown(void)
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{
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}
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void TexturedCubeNode::BuildGeometryBuffers()
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{
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// Create vertex buffer
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Vertex vertices[] =
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{
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{ XMFLOAT3(-1.0f, -1.0f, 1.0f), XMFLOAT3(0.0f, 0.0f, 1.0f), XMFLOAT2(0.0f, 0.0f) }, // side 1
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{ XMFLOAT3(1.0f, -1.0f, 1.0f), XMFLOAT3(0.0f, 0.0f, 1.0f), XMFLOAT2(0.0f, 1.0f) },
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{ XMFLOAT3(-1.0f, 1.0f, 1.0f), XMFLOAT3(0.0f, 0.0f, 1.0f), XMFLOAT2(1.0f, 0.0f) },
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{ XMFLOAT3(1.0f, 1.0f, 1.0f), XMFLOAT3(0.0f, 0.0f, 1.0f), XMFLOAT2(1.0f, 1.0f) },
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{ XMFLOAT3(-1.0f, -1.0f, -1.0f), XMFLOAT3(0.0f, 0.0f, -1.0f), XMFLOAT2(0.0f, 0.0f) }, // side 2
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{ XMFLOAT3(-1.0f, 1.0f, -1.0f), XMFLOAT3(0.0f, 0.0f, -1.0f), XMFLOAT2(0.0f, 1.0f) },
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{ XMFLOAT3(1.0f, -1.0f, -1.0f), XMFLOAT3(0.0f, 0.0f, -1.0f), XMFLOAT2(1.0f, 0.0f) },
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{ XMFLOAT3(1.0f, 1.0f, -1.0f), XMFLOAT3(0.0f, 0.0f, -1.0f), XMFLOAT2(1.0f, 1.0f) },
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{ XMFLOAT3(-1.0f, 1.0f, -1.0f), XMFLOAT3(0.0f, 1.0f, 0.0f), XMFLOAT2(0.0f, 0.0f) }, // side 3
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{ XMFLOAT3(-1.0f, 1.0f, 1.0f), XMFLOAT3(0.0f, 1.0f, 0.0f), XMFLOAT2(0.0f, 1.0f) },
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{ XMFLOAT3(1.0f, 1.0f, -1.0f), XMFLOAT3(0.0f, 1.0f, 0.0f), XMFLOAT2(1.0f, 0.0f) },
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{ XMFLOAT3(1.0f, 1.0f, 1.0f), XMFLOAT3(0.0f, 1.0f, 0.0f), XMFLOAT2(1.0f, 1.0f) },
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{ XMFLOAT3(-1.0f, -1.0f, -1.0f), XMFLOAT3(0.0f, -1.0f, 0.0f), XMFLOAT2(0.0f, 0.0f) }, // side 4
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{ XMFLOAT3(1.0f, -1.0f, -1.0f), XMFLOAT3(0.0f, -1.0f, 0.0f), XMFLOAT2(0.0f, 1.0f) },
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{ XMFLOAT3(-1.0f, -1.0f, 1.0f), XMFLOAT3(0.0f, -1.0f, 0.0f), XMFLOAT2(1.0f, 0.0f) },
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{ XMFLOAT3(1.0f, -1.0f, 1.0f), XMFLOAT3(0.0f, -1.0f, 0.0f), XMFLOAT2(1.0f, 1.0f) },
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{ XMFLOAT3(1.0f, -1.0f, -1.0f), XMFLOAT3(1.0f, 0.0f, 0.0f), XMFLOAT2(0.0f, 0.0f) }, // side 5
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{ XMFLOAT3(1.0f, 1.0f, -1.0f), XMFLOAT3(1.0f, 0.0f, 0.0f), XMFLOAT2(0.0f, 1.0f) },
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{ XMFLOAT3(1.0f, -1.0f, 1.0f), XMFLOAT3(1.0f, 0.0f, 0.0f), XMFLOAT2(1.0f, 0.0f) },
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{ XMFLOAT3(1.0f, 1.0f, 1.0f), XMFLOAT3(1.0f, 0.0f, 0.0f), XMFLOAT2(1.0f, 1.0f) },
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{ XMFLOAT3(-1.0f, -1.0f, -1.0f), XMFLOAT3(-1.0f, 0.0f, 0.0f), XMFLOAT2(0.0f, 0.0f) }, // side 6
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{ XMFLOAT3(-1.0f, -1.0f, 1.0f), XMFLOAT3(-1.0f, 0.0f, 0.0f), XMFLOAT2(0.0f, 1.0f) },
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{ XMFLOAT3(-1.0f, 1.0f, -1.0f), XMFLOAT3(-1.0f, 0.0f, 0.0f), XMFLOAT2(1.0f, 0.0f) },
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{ XMFLOAT3(-1.0f, 1.0f, 1.0f), XMFLOAT3(-1.0f, 0.0f, 0.0f), XMFLOAT2(1.0f, 1.0f) },
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};
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// Setup the structure that specifies how big the vertex
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// buffer should be
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D3D11_BUFFER_DESC vertexBufferDescriptor;
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vertexBufferDescriptor.Usage = D3D11_USAGE_IMMUTABLE;
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vertexBufferDescriptor.ByteWidth = sizeof(Vertex) * 24;
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vertexBufferDescriptor.BindFlags = D3D11_BIND_VERTEX_BUFFER;
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vertexBufferDescriptor.CPUAccessFlags = 0;
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vertexBufferDescriptor.MiscFlags = 0;
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vertexBufferDescriptor.StructureByteStride = 0;
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// Now set up a structure that tells DirectX where to get the
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// data for the vertices from
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D3D11_SUBRESOURCE_DATA vertexInitialisationData;
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vertexInitialisationData.pSysMem = &vertices;
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// and create the vertex buffer
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ThrowIfFailed(_device->CreateBuffer(&vertexBufferDescriptor, &vertexInitialisationData, _vertexBuffer.GetAddressOf()));
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// Create the index buffer
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UINT indices[] = {
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0, 1, 2, // side 1
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2, 1, 3,
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4, 5, 6, // side 2
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6, 5, 7,
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8, 9, 10, // side 3
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10, 9, 11,
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12, 13, 14, // side 4
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14, 13, 15,
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16, 17, 18, // side 5
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18, 17, 19,
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20, 21, 22, // side 6
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22, 21, 23,
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};
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// Setup the structure that specifies how big the index
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// buffer should be
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D3D11_BUFFER_DESC indexBufferDescriptor;
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indexBufferDescriptor.Usage = D3D11_USAGE_IMMUTABLE;
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indexBufferDescriptor.ByteWidth = sizeof(UINT) * 36;
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indexBufferDescriptor.BindFlags = D3D11_BIND_INDEX_BUFFER;
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indexBufferDescriptor.CPUAccessFlags = 0;
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indexBufferDescriptor.MiscFlags = 0;
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indexBufferDescriptor.StructureByteStride = 0;
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// Now set up a structure that tells DirectX where to get the
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// data for the indices from
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D3D11_SUBRESOURCE_DATA indexInitialisationData;
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indexInitialisationData.pSysMem = &indices;
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// and create the index buffer
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ThrowIfFailed(_device->CreateBuffer(&indexBufferDescriptor, &indexInitialisationData, _indexBuffer.GetAddressOf()));
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}
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void TexturedCubeNode::BuildShaders()
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{
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DWORD shaderCompileFlags = 0;
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#if defined( _DEBUG )
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shaderCompileFlags = D3DCOMPILE_DEBUG | D3DCOMPILE_SKIP_OPTIMIZATION;
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#endif
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ComPtr<ID3DBlob> compilationMessages = nullptr;
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//Compile vertex shader
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HRESULT hr = D3DCompileFromFile(L"shader.hlsl",
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nullptr, D3D_COMPILE_STANDARD_FILE_INCLUDE,
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"VS", "vs_5_0",
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shaderCompileFlags, 0,
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_vertexShaderByteCode.GetAddressOf(),
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compilationMessages.GetAddressOf());
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if (compilationMessages.Get() != nullptr)
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{
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// If there were any compilation messages, display them
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MessageBoxA(0, (char*)compilationMessages->GetBufferPointer(), 0, 0);
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}
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// Even if there are no compiler messages, check to make sure there were no other errors.
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ThrowIfFailed(hr);
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ThrowIfFailed(_device->CreateVertexShader(_vertexShaderByteCode->GetBufferPointer(), _vertexShaderByteCode->GetBufferSize(), NULL, _vertexShader.GetAddressOf()));
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_deviceContext->VSSetShader(_vertexShader.Get(), 0, 0);
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// Compile pixel shader
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hr = D3DCompileFromFile(L"shader.hlsl",
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nullptr, D3D_COMPILE_STANDARD_FILE_INCLUDE,
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"PS", "ps_5_0",
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shaderCompileFlags, 0,
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_pixelShaderByteCode.GetAddressOf(),
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compilationMessages.GetAddressOf());
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if (compilationMessages.Get() != nullptr)
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{
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// If there were any compilation messages, display them
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MessageBoxA(0, (char*)compilationMessages->GetBufferPointer(), 0, 0);
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}
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ThrowIfFailed(hr);
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ThrowIfFailed(_device->CreatePixelShader(_pixelShaderByteCode->GetBufferPointer(), _pixelShaderByteCode->GetBufferSize(), NULL, _pixelShader.GetAddressOf()));
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_deviceContext->PSSetShader(_pixelShader.Get(), 0, 0);
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}
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void TexturedCubeNode::BuildVertexLayout()
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{
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// Create the vertex input layout. This tells DirectX the format
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// of each of the vertices we are sending to it.
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D3D11_INPUT_ELEMENT_DESC vertexDesc[] =
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{
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{ "POSITION", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 0, D3D11_INPUT_PER_VERTEX_DATA, 0 },
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{ "NORMAL", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 12, D3D11_INPUT_PER_VERTEX_DATA, 0 },
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{ "TEXCOORD", 0, DXGI_FORMAT_R32G32_FLOAT, 0, 24, D3D11_INPUT_PER_VERTEX_DATA, 0 }
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};
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ThrowIfFailed(_device->CreateInputLayout(vertexDesc, ARRAYSIZE(vertexDesc), _vertexShaderByteCode->GetBufferPointer(), _vertexShaderByteCode->GetBufferSize(), _layout.GetAddressOf()));
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_deviceContext->IASetInputLayout(_layout.Get());
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}
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void TexturedCubeNode::BuildConstantBuffer()
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{
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D3D11_BUFFER_DESC bufferDesc;
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ZeroMemory(&bufferDesc, sizeof(bufferDesc));
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bufferDesc.Usage = D3D11_USAGE_DEFAULT;
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bufferDesc.ByteWidth = sizeof(CBUFFER);
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bufferDesc.BindFlags = D3D11_BIND_CONSTANT_BUFFER;
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ThrowIfFailed(_device->CreateBuffer(&bufferDesc, NULL, _constantBuffer.GetAddressOf()));
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}
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void TexturedCubeNode::BuildTexture()
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{
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// Note that in order to use CreateWICTextureFromFile, we
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// need to ensure we make a call to CoInitializeEx in our
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// Initialise method (and make the corresponding call to
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// CoUninitialize in the Shutdown method). Otherwise,
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// the following call will throw an exception
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ThrowIfFailed(CreateWICTextureFromFile(_device.Get(),
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_deviceContext.Get(),
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_textureName.c_str(),
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nullptr,
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_texture.GetAddressOf()
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));
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}
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