public CameraFirstPerson(Input input, float lrRot, float udRot, Vector3 startingPos, int width, int height)
{
this.height = height;
this.width = width;
this.input = input;
this.leftrightRot = lrRot;
this.updownRot = udRot;
_position = startingPos;
UpdateViewMatrix();
_projection = Matrix.PerspectiveFovLH(_fieldOdView, _aspectRatio, _nearPlane, _farPlane);
}
private static void Main()
{
var form = new RenderForm("SharpDX - MiniTri Direct3D 11 Sample");
// SwapChain description
var desc = new SwapChainDescription()
{
BufferCount = 3,
ModeDescription=
new ModeDescription(form.ClientSize.Width, form.ClientSize.Height,
new Rational(60, 1), Format.R8G8B8A8_UNorm),
IsWindowed = true,
OutputHandle = form.Handle,
SampleDescription = new SampleDescription(1,0),
SwapEffect = SwapEffect.Sequential,
Usage = Usage.RenderTargetOutput
};
// Create Device and SwapChain
Device device;
SwapChain swapChain;
Device.CreateWithSwapChain(DriverType.Hardware, DeviceCreationFlags.None, desc, out device, out swapChain);
var context = device.ImmediateContext;
// Ignore all windows events
var factory = swapChain.GetParent<Factory>();
factory.MakeWindowAssociation(form.Handle, WindowAssociationFlags.IgnoreAll);
// New RenderTargetView from the backbuffer
var backBuffer = Texture2D.FromSwapChain<Texture2D>(swapChain, 0);
var renderView = new RenderTargetView(device, backBuffer);
Texture2DDescription depthBufferDesc;
depthBufferDesc.Width = form.Width;
depthBufferDesc.Height = form.Height;
depthBufferDesc.MipLevels = 1;
depthBufferDesc.ArraySize = 1;
depthBufferDesc.Format = Format.D24_UNorm_S8_UInt;
depthBufferDesc.SampleDescription.Count = 1;
depthBufferDesc.SampleDescription.Quality = 0;
depthBufferDesc.Usage = ResourceUsage.Default;
depthBufferDesc.BindFlags = BindFlags.DepthStencil;
depthBufferDesc.CpuAccessFlags = CpuAccessFlags.None ;
depthBufferDesc.OptionFlags = ResourceOptionFlags.None;
Texture2D DepthStencilTexture = new Texture2D(device, depthBufferDesc);
DepthStencilViewDescription depthStencilViewDesc = new DepthStencilViewDescription();
depthStencilViewDesc.Format = Format.D24_UNorm_S8_UInt;
depthStencilViewDesc.Dimension = DepthStencilViewDimension.Texture2D;
depthStencilViewDesc.Texture2D.MipSlice = 0;
DepthStencilView depthStencilView = new DepthStencilView(device, DepthStencilTexture, depthStencilViewDesc);
context.OutputMerger.SetTargets(depthStencilView,renderView);
DepthStencilStateDescription depthDesc = new DepthStencilStateDescription()
{
IsDepthEnabled = true,
IsStencilEnabled = false,
DepthWriteMask = DepthWriteMask.All,
DepthComparison = Comparison.Less
};
DepthStencilState depthStencilState = new DepthStencilState(device, depthDesc);
RasterizerStateDescription rasdesc = new RasterizerStateDescription()
{
CullMode = CullMode.None,
FillMode = FillMode.Solid,
IsFrontCounterClockwise = true,
DepthBias = 0,
DepthBiasClamp = 0,
SlopeScaledDepthBias = 0,
IsDepthClipEnabled = true,
IsMultisampleEnabled =true,
};
context.Rasterizer.State = new RasterizerState(device, rasdesc);
//////////////////////////////
var flags = (ppsteps |
aiPostProcessSteps.aiProcess_GenSmoothNormals | // generate smooth normal vectors if not existing
aiPostProcessSteps.aiProcess_SplitLargeMeshes | // split large, unrenderable meshes into submeshes
aiPostProcessSteps.aiProcess_Triangulate | // triangulate polygons with more than 3 edges
aiPostProcessSteps.aiProcess_ConvertToLeftHanded | // convert everything to D3D left handed space
aiPostProcessSteps.aiProcess_SortByPType | // make 'clean' meshes which consist of a single typ of primitives
(aiPostProcessSteps)0);
// default model
var path = @"jeep1.ms3d";
Importer importer = new Importer();
//var path = "man.3ds";
aiScene scene = importer.ReadFile(path, flags);
String directory = null;
if (scene != null)
{
directory = Path.GetDirectoryName(path);
}
else
{
MessageBox.Show("Failed to open file: " + path + ". Either Assimp screwed up or the path is not valid.");
Application.Exit();
}
SceneLoader SceneLoader = new SceneLoader();
List<model> models = new List<model>();
for (int i = 0; i < scene.mNumMeshes; i++)
{
models.Add(SceneLoader.CreateMesh(device, scene.mMeshes[i], scene.mMaterials,directory));
}
//////////////////////////////
// Compile Vertex and Pixel shaders
var effectByteCode = ShaderBytecode.CompileFromFile("MiniTri.fx", "fx_5_0", ShaderFlags.None, EffectFlags.None);
var effect = new Effect(device, effectByteCode);
var technique = effect.GetTechniqueByIndex(0);
var pass = technique.GetPassByIndex(0);
// Layout from VertexShader input signature
var passSignature = pass.Description.Signature;
// Layout from VertexShader input signature
var layout = new InputLayout(
device,
passSignature,
new[]
{
new InputElement("POSITION", 0, Format.R32G32B32_Float, 0, 0),
new InputElement("TEXCOORD", 0, Format.R32G32_Float, 12, 0)
});
// Prepare All the stages
context.Rasterizer.SetViewports(new Viewport(0, 0, form.ClientSize.Width, form.ClientSize.Height, 0.0f, 1.0f));
context.OutputMerger.DepthStencilState = depthStencilState;
Input input = new Input(form);
//FreeLook FreeLook = new SharpExamples.FreeLook(input, (float)form.Width / (float)form.Height);
CameraFirstPerson FreeLook = new CameraFirstPerson(input, 0, 0, Vector3.Zero, form.Width, form.Height);
//FreeLook.SetEyeTarget(new Vector3(300), Vector3.Zero);
Clock Clock = new SharpExamples.Clock();
Clock.Start();
effect.GetVariableByName("projection").AsMatrix().SetMatrix(FreeLook.Projection);
// Main loop
RenderLoop.Run(form, () =>
{
foreach (var item in models)
{
context.InputAssembler.InputLayout = layout;
context.InputAssembler.PrimitiveTopology = PrimitiveTopology.TriangleList;
int SizeInBytes = Marshal.SizeOf(typeof(VertexPostitionTexture));
context.InputAssembler.SetVertexBuffers(0, new VertexBufferBinding(item.vertex, SizeInBytes, 0));
context.InputAssembler.SetIndexBuffer(item.indices, Format.R32_UInt, 0);
float elapsed = Clock.Update();
FreeLook.Update(elapsed);
effect.GetVariableByName("view").AsMatrix().SetMatrix(FreeLook.View);
effect.GetVariableByName("World").AsMatrix().SetMatrix(Matrix.Scaling(5));
effect.GetVariableByName("tex0").AsShaderResource().SetResource(item.ShaderResourceView);
context.ClearRenderTargetView(renderView, Colors.Black);
context.ClearDepthStencilView(depthStencilView, DepthStencilClearFlags.Depth | DepthStencilClearFlags.Stencil, 1, 0);
for (int i = 0; i < technique.Description.PassCount; ++i)
{
pass.Apply(context);
context.DrawIndexed(item.numberIndices, 0, 0);
}
swapChain.Present(0, PresentFlags.None);
}
});
// Release all resources
foreach (var item in models)
{
item.vertex.Dispose();
item.indices.Dispose();
item.ShaderResourceView.Dispose();
}
layout.Dispose();
renderView.Dispose();
backBuffer.Dispose();
context.ClearState();
context.Flush();
device.Dispose();
context.Dispose();
swapChain.Dispose();
factory.Dispose();
}
