d3d12_03_render3d_shadow.dib

#!meta

{"kernelInfo":{"defaultKernelName":"csharp","items":[{"aliases":[],"languageName":"csharp","name":"csharp"}]}}

#!csharp

#r "../ShaderNoteD3D12/bin/Debug/net7.0/ShaderNoteD3D12.dll"
#r "../ShaderNote.ModelLoaders/bin/Debug/net7.0/ShaderNote.ModelLoaders.dll"
#r "nuget:Vortice.Direct3D12"
#r "nuget:Vortice.DXC"
#r "nuget:SixLabors.ImageSharp"

#!csharp

using Microsoft.DotNet.Interactive.Formatting;
using ShaderNoteD3D12;
using System.Numerics;

Formatter.Register<RenderRecord>((w)=>
{
    var result = w.Render();
    string html = result.GetHtml();
    result.Dispose();
    return html;
},HtmlFormatter.MimeType);

#!csharp

NoteDevice noteDevice = new NoteDevice();

#!csharp

using ShaderNote.ModelLoaders;
var texturePath = "../../kizunaai/";
var pmxModelPath="../../kizunaai/kizunaai.pmx";
PMXFormat pmx= PMXFormat.Load(pmxModelPath);

var positions = pmx.Vertices.Select(u=>u.Coordinate).ToArray();
var normals = pmx.Vertices.Select(u=>u.Normal).ToArray();
var uvs = pmx.Vertices.Select(u=>u.UvCoordinate).ToArray();
var indices = pmx.TriangleIndexs;
var materials=pmx.Materials;
var textures=pmx.Textures;

#!csharp

using System.Numerics;
using Vortice.DXGI;
using Vortice.Direct3D12;
using System.IO;
public struct ShaderData
{
    public Matrix4x4 MVP;
    public Matrix4x4 Shadow;
    public Vector4 LightColor;
    public Vector3 LightDir;
}

#!csharp

var lightDir=Vector3.Normalize(new Vector3(0.05f,1,-0.3f));
var shadowCenter=new Vector3(0,10,0);
var shadowMatrix= Matrix4x4.Transpose(Matrix4x4.CreateLookAt(lightDir*25+shadowCenter,shadowCenter, Vector3.UnitY)*
    Matrix4x4.CreateOrthographic(16,16,0,50));

var vmat = Matrix4x4.CreateLookAt(new Vector3(0,15,-10),new Vector3(0,15,0), Vector3.UnitY);
var pmat = Matrix4x4.CreatePerspectiveFieldOfView(60.0f/180.0f*MathF.PI,1.0f,1.0f,100.0f);

ShaderData constantBuffer=new ShaderData
{
    MVP=Matrix4x4.Transpose(Matrix4x4.Multiply(vmat,pmat)),
    Shadow=shadowMatrix,
    LightColor = new Vector4(1,1,1,1),
    LightDir = lightDir,
};

#!csharp

var shadowRender = noteDevice.GetRecord()
    .WithVertexShader("Shaders/vs_shadow.hlsl")
    .WithIndexBuffer(data: indices)
    .WithVertexBuffer("POSITION0", 12, data: positions)
    .WithConstantBuffer(0,shadowMatrix)
    .WithMRT()
    .WithDepth()
    .WithDrawIndexed(indices.Length);

shadowRender

#!csharp

var render = noteDevice.GetRecord()
    .WithVertexShader("Shaders/vs_3d_03.hlsl")
    .WithPixelShader("Shaders/ps_3d_03.hlsl")
    .WithIndexBuffer(data: indices)
    .WithVertexBuffer("POSITION0", 12, data: positions)
    .WithVertexBuffer("NORMAL0", 12, data: normals)
    .WithVertexBuffer("TEXCOORD0", 8, data: uvs)
    .WithSampler(0)
    .WithConstantBuffer(0,constantBuffer)
    .WithBlendState(BlendDescription.AlphaBlend)
    .WithImage(1,shadowRender.Render());

foreach (var material in materials)
{
    render = render
        .WithImage(0,file:Path.Combine(texturePath,textures[material.TextureIndex].TexturePath))
        .WithDrawIndexed(material.TriangeIndexNum,startIndexLocation:material.TriangeIndexStartNum);
}
render=render
    .WithMRT(Format.R8G8B8A8_UNorm,Format.R8G8B8A8_UNorm,Format.R8G8B8A8_UNorm,Format.R8G8B8A8_UNorm)
    .WithDepth();

//View Result
render

#!csharp

RenderHelper.GIF((frame)=>{
    var lightDir=Vector3.Normalize(new Vector3(0.05f,1-frame*0.2f,-0.3f));
    var shadowCenter=new Vector3(0,10,0);
    var shadowMatrix= Matrix4x4.Transpose(Matrix4x4.CreateLookAt(lightDir*25+shadowCenter,shadowCenter,Vector3.Cross(Vector3.Cross(lightDir,Vector3.UnitY),lightDir))*
        Matrix4x4.CreateOrthographic(16,16,0,50));

    var vmat = Matrix4x4.CreateLookAt(new Vector3(0,15,-10),new Vector3(0,15,0), Vector3.UnitY);
    var pmat = Matrix4x4.CreatePerspectiveFieldOfView(60.0f/180.0f*MathF.PI,1.0f,1.0f,100.0f);

    ShaderData constantBuffer=new ShaderData
    {
        MVP=Matrix4x4.Transpose(Matrix4x4.Multiply(vmat,pmat)),
        Shadow=shadowMatrix,
        LightColor = new Vector4(1,1,1,1),
        LightDir = lightDir,
    };

    var shadowRender = noteDevice.GetRecord()
    .WithVertexShader("Shaders/vs_shadow.hlsl")
    .WithIndexBuffer(data: indices)
    .WithVertexBuffer("POSITION0", 12, data: positions)
    .WithConstantBuffer(0,shadowMatrix)
    .WithMRT()
    .WithDepth()
    .WithDrawIndexed(indices.Length);
    
    var render = noteDevice.GetRecord()
    .WithVertexShader("Shaders/vs_3d_03.hlsl")
    .WithPixelShader("Shaders/ps_3d_03.hlsl")
    .WithIndexBuffer(data: indices)
    .WithVertexBuffer("POSITION0", 12, data: positions)
    .WithVertexBuffer("NORMAL0", 12, data: normals)
    .WithVertexBuffer("TEXCOORD0", 8, data: uvs)
    .WithSampler(0)
    .WithConstantBuffer(0,constantBuffer)
    .WithBlendState(BlendDescription.AlphaBlend)
    .WithImage(1,shadowRender.Render());

    foreach (var material in materials)
    {
        render = render
            .WithImage(0,file:Path.Combine(texturePath,textures[material.TextureIndex].TexturePath))
            .WithDrawIndexed(material.TriangeIndexNum,startIndexLocation:material.TriangeIndexStartNum);
    }
    render=render
        .WithMRT(Format.R8G8B8A8_UNorm,Format.R8G8B8A8_UNorm,Format.R8G8B8A8_UNorm,Format.R8G8B8A8_UNorm)
        .WithDepth();

    return render;
},".cache/03.gif",256,256,16,frameDelay:20);
"<img src='.cache/03.gif'>".DisplayAs("text/html");

#!csharp

// RenderHelper.Mp4((frame)=>{
//     var lightDir=Vector3.Normalize(new Vector3(0.05f,1-frame*0.02f,-0.3f));
//     var shadowCenter=new Vector3(0,10,0);
//     var shadowMatrix= Matrix4x4.Transpose(Matrix4x4.CreateLookAt(lightDir*25+shadowCenter,shadowCenter,Vector3.Cross(Vector3.Cross(lightDir,Vector3.UnitY),lightDir))*
//         Matrix4x4.CreateOrthographic(16,16,0,50));

//     var vmat = Matrix4x4.CreateLookAt(new Vector3(0,15,-10),new Vector3(0,15,0), Vector3.UnitY);
//     var pmat = Matrix4x4.CreatePerspectiveFieldOfView(60.0f/180.0f*MathF.PI,1.0f,1.0f,100.0f);

//     ShaderData constantBuffer=new ShaderData
//     {
//         MVP=Matrix4x4.Transpose(Matrix4x4.Multiply(vmat,pmat)),
//         Shadow=shadowMatrix,
//         LightColor = new Vector4(1,1,1,1),
//         LightDir = lightDir,
//     };

//     var shadowRender = noteDevice.GetRecord()
//     .WithVertexShader("Shaders/vs_shadow.hlsl")
//     .WithIndexBuffer(data: indices)
//     .WithVertexBuffer("POSITION0", 12, data: positions)
//     .WithConstantBuffer(0,shadowMatrix)
//     .WithMRT()
//     .WithDepth()
//     .WithDrawIndexed(indices.Length);
    
//     var render = noteDevice.GetRecord()
//     .WithVertexShader("Shaders/vs_3d_03.hlsl")
//     .WithPixelShader("Shaders/ps_3d_03.hlsl")
//     .WithIndexBuffer(data: indices)
//     .WithVertexBuffer("POSITION0", 12, data: positions)
//     .WithVertexBuffer("NORMAL0", 12, data: normals)
//     .WithVertexBuffer("TEXCOORD0", 8, data: uvs)
//     .WithSampler(0)
//     .WithConstantBuffer(0,constantBuffer)
//     .WithBlendState(BlendDescription.AlphaBlend)
//     .WithImage(1,shadowRender.Render());

//     foreach (var material in materials)
//     {
//         render = render
//             .WithImage(0,file:Path.Combine(texturePath,textures[material.TextureIndex].TexturePath))
//             .WithDrawIndexed(material.TriangeIndexNum,startIndexLocation:material.TriangeIndexStartNum);
//     }
//     render=render
//         .WithMRT(Format.R8G8B8A8_UNorm,Format.R8G8B8A8_UNorm,Format.R8G8B8A8_UNorm,Format.R8G8B8A8_UNorm)
//         .WithDepth();

//     return render;
// },".cache/03.mp4",256,256,120,frameRate:30);
// "<video controls><source src='.cache/03.mp4' type='video/mp4'></video>".DisplayAs("text/html");