7a57c73ac3
Added the DDS Texture Loading for future use Added the gamepad class for future use Added first child method to the scenegraph Added RGB to intensity and lerp methods to the shared methods class Added the terrain node class with normals Fixed issue with submeshnode not passing the world transform to the actual meshes
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()->GetCamera()->GetViewMatrix();
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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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