public static List<Mesh> SplitMeshes(List<Mesh> meshes, bool can32bitIndex)
{
var finalList = new List<Mesh>();
foreach (var mesh in meshes)
{
var drawDatas = SplitMesh(mesh.Draw, can32bitIndex);
if (drawDatas.Count <= 1)
{
finalList.Add(mesh);
}
else
{
foreach (var draw in drawDatas)
{
var newMeshData = new Mesh(draw, mesh.Parameters)
{
MaterialIndex = mesh.MaterialIndex,
Name = mesh.Name,
NodeIndex = mesh.NodeIndex,
Skinning = mesh.Skinning,
};
finalList.Add(newMeshData);
}
}
}
return finalList;
}
/// <summary>
/// Initializes a new instance of the <see cref="Mesh"/> class using a shallow copy constructor.
/// </summary>
/// <param name="mesh">The mesh.</param>
public Mesh(Mesh mesh)
{
if (mesh == null) throw new ArgumentNullException("mesh");
Draw = mesh.Draw;
Parameters = mesh.Parameters.Clone();
MaterialIndex = mesh.MaterialIndex;
NodeIndex = mesh.NodeIndex;
Name = mesh.Name;
BoundingBox = mesh.BoundingBox;
Skinning = mesh.Skinning;
}
protected override async Task LoadContent()
{
await base.LoadContent();
var vertices = new Vertex[4];
vertices[0] = new Vertex { Position = new Vector3(-1, -1, 0.5f), TexCoords = new Vector2(0, 0) };
vertices[1] = new Vertex { Position = new Vector3(-1, 1, 0.5f), TexCoords = new Vector2(3, 0) };
vertices[2] = new Vertex { Position = new Vector3(1, 1, 0.5f), TexCoords = new Vector2(3, 3) };
vertices[3] = new Vertex { Position = new Vector3(1, -1, 0.5f), TexCoords = new Vector2(0, 3) };
var indices = new short[] { 0, 1, 2, 0, 2, 3 };
var vertexBuffer = Buffer.Vertex.New(GraphicsDevice, vertices, GraphicsResourceUsage.Default);
var indexBuffer = Buffer.Index.New(GraphicsDevice, indices, GraphicsResourceUsage.Default);
var meshDraw = new MeshDraw
{
DrawCount = 4,
PrimitiveType = PrimitiveType.TriangleList,
VertexBuffers = new[]
{
new VertexBufferBinding(vertexBuffer,
new VertexDeclaration(VertexElement.Position<Vector3>(),
VertexElement.TextureCoordinate<Vector2>()),
4)
},
IndexBuffer = new IndexBufferBinding(indexBuffer, false, indices.Length),
};
var mesh = new Mesh
{
Draw = meshDraw,
};
simpleEffect = new Effect(GraphicsDevice, SpriteEffect.Bytecode);
parameterCollection = new ParameterCollection();
parameterCollectionGroup = new EffectParameterCollectionGroup(GraphicsDevice, simpleEffect, new[] { parameterCollection });
parameterCollection.Set(TexturingKeys.Texture0, UVTexture);
vao = VertexArrayObject.New(GraphicsDevice, mesh.Draw.IndexBuffer, mesh.Draw.VertexBuffers);
myDraws = new DrawOptions[3];
myDraws[0] = new DrawOptions { Sampler = GraphicsDevice.SamplerStates.LinearClamp, Transform = Matrix.Multiply(Matrix.Scaling(0.4f), Matrix.Translation(-0.5f, 0.5f, 0f)) };
myDraws[1] = new DrawOptions { Sampler = GraphicsDevice.SamplerStates.LinearWrap, Transform = Matrix.Multiply(Matrix.Scaling(0.4f), Matrix.Translation(0.5f, 0.5f, 0f)) };
myDraws[2] = new DrawOptions { Sampler = SamplerState.New(GraphicsDevice, new SamplerStateDescription(TextureFilter.Linear, TextureAddressMode.Mirror)), Transform = Matrix.Multiply(Matrix.Scaling(0.4f), Matrix.Translation(0.5f, -0.5f, 0f)) };
//var borderDescription = new SamplerStateDescription(TextureFilter.Linear, TextureAddressMode.Border) { BorderColor = Color.Purple };
//var border = SamplerState.New(GraphicsDevice, borderDescription);
//myDraws[3] = new DrawOptions { Sampler = border, Transform = Matrix.Multiply(Matrix.Scale(0.3f), Matrix.Translation(-0.5f, -0.5f, 0f)) };
}
/// <summary>
/// Initializes a new instance of the <see cref="RenderMesh" /> class.
/// </summary>
/// <param name="renderModel">The render model.</param>
/// <param name="mesh">The mesh data.</param>
/// <exception cref="System.ArgumentNullException">mesh</exception>
public RenderMesh(RenderModel renderModel, Mesh mesh)
{
if (renderModel == null) throw new ArgumentNullException("renderModel");
if (mesh == null) throw new ArgumentNullException("mesh");
RenderModel = renderModel;
Mesh = mesh;
Enabled = true;
UpdateMaterial();
// A RenderMesh is inheriting values from Mesh.Parameters
// We are considering that Mesh.Parameters is not updated frequently (should be almost immutable)
parameters = new ParameterCollection();
if (mesh.Parameters != null)
{
parameters.AddSources(mesh.Parameters);
}
}
public override void Load()
{
base.Load();
slideShowEffect = this.EffectSystemOld.BuildEffect("SlideShow")
.Using(new StateShaderPlugin() { RenderPassPlugin = this, UseDepthStencilState = true})
.Using(new BasicShaderPlugin(new ShaderClassSource("PostEffectTransition")) { RenderPassPlugin = this })
.InstantiatePermutation();
if (OfflineCompilation)
return;
RenderPass.StartPass += (context) =>
{
if (RenderPass.Enabled)
{
// Setup the Viewport
context.GraphicsDevice.SetViewport(MainTargetPlugin.Viewport);
// Setup the depth stencil and main render target.
context.GraphicsDevice.SetRenderTarget(RenderTarget);
}
};
RenderPass.EndPass += (context) =>
{
if (RenderPass.Enabled)
{
context.GraphicsDevice.UnsetRenderTargets();
}
};
// Generates a quad for post effect rendering (should be utility function)
var vertices = new[]
{
-1.0f, 1.0f,
1.0f, 1.0f,
-1.0f, -1.0f,
1.0f, -1.0f,
};
// Use the quad for this effectMesh
var quadData = new Mesh();
quadData.Draw = new MeshDraw
{
DrawCount = 4,
PrimitiveType = PrimitiveType.TriangleStrip,
VertexBuffers = new[]
{
new VertexBufferBinding(Buffer.Vertex.New(GraphicsDevice, vertices), new VertexDeclaration(VertexElement.Position<Vector2>()), 4)
}
};
var textureMesh = new EffectMesh(slideShowEffect, quadData).KeepAliveBy(this);
textureMesh.Parameters.Set(EffectPlugin.DepthStencilStateKey, GraphicsDevice.DepthStencilStates.None);
textureMesh.Parameters.AddSources(this.Parameters);
RenderSystem.GlobalMeshes.AddMesh(textureMesh);
}
/// <summary>
/// Create a clone with its own ParameterCollection.
/// It allows reuse of a single Model for multiple ModelComponent.
/// </summary>
public Model Instantiate()
{
var result = new Model();
if (Children != null)
{
result.Children = new List<Model>();
foreach (var child in Children)
{
result.Children.Add(child.Instantiate());
}
}
foreach (var mesh in Meshes)
{
var meshCopy = new Mesh(mesh);
result.Meshes.Add(meshCopy);
}
result.Hierarchy = Hierarchy;
result.BoundingBox = BoundingBox;
return result;
}
/// <summary>
/// Adds the specified mesh (for collection initializers).
/// </summary>
/// <param name="mesh">The mesh.</param>
public void Add(Mesh mesh)
{
Meshes.Add(mesh);
}
public override void Load()
{
base.Load();
skyboxEffect = this.EffectSystemOld.BuildEffect("Skybox")
.Using(new StateShaderPlugin() { RenderPassPlugin = this, UseDepthStencilState = true })
.Using(new BasicShaderPlugin(
new ShaderMixinSource() {
Mixins = new List<ShaderClassSource>() { new ShaderClassSource("SkyBox")},
Compositions = new Dictionary<string, ShaderSource>() { {"color", SkyBoxColor}}
}) { RenderPassPlugin = this })
.InstantiatePermutation();
if (OfflineCompilation)
return;
Parameters.AddSources(MainPlugin.ViewParameters);
var zBackgroundValue = MainTargetPlugin.ClearDepth;
// Generates a quad for post effect rendering (should be utility function)
var vertices = new[]
{
-1.0f, 1.0f, zBackgroundValue, 1.0f,
1.0f, 1.0f, zBackgroundValue, 1.0f,
-1.0f, -1.0f, zBackgroundValue, 1.0f,
1.0f, -1.0f, zBackgroundValue, 1.0f,
};
Parameters.RegisterParameter(EffectPlugin.DepthStencilStateKey);
Parameters.Set(TexturingKeys.Sampler, GraphicsDevice.SamplerStates.LinearWrap);
// Use the quad for this effectMesh
var quadData = new Mesh();
quadData.Draw = new MeshDraw
{
DrawCount = 4,
PrimitiveType = PrimitiveType.TriangleStrip,
VertexBuffers = new[]
{
new VertexBufferBinding(Buffer.Vertex.New(GraphicsDevice, vertices), new VertexDeclaration(VertexElement.Position<Vector4>()), 4)
}
};
RenderPass.StartPass += (context) =>
{
// Setup the Viewport
context.GraphicsDevice.SetViewport(MainTargetPlugin.Viewport);
// Setup the depth stencil and main render target.
context.GraphicsDevice.SetRenderTarget(MainTargetPlugin.DepthStencil, MainTargetPlugin.RenderTarget);
};
RenderPass.EndPass += (context) => context.GraphicsDevice.UnsetRenderTargets();
var skyboxMesh = new EffectMesh(skyboxEffect, quadData).KeepAliveBy(this);
// If the main target plugin is not clearing anything, we assume that this is the job of the skybox plugin
if (!MainTargetPlugin.EnableClearTarget && !MainTargetPlugin.EnableClearDepth)
{
var description = new DepthStencilStateDescription().Default();
description.DepthBufferFunction = CompareFunction.Always;
var alwaysWrite = DepthStencilState.New(GraphicsDevice, description);
skyboxMesh.Parameters.Set(EffectPlugin.DepthStencilStateKey, alwaysWrite);
}
else
{
skyboxMesh.Parameters.Set(EffectPlugin.DepthStencilStateKey, MainTargetPlugin.DepthStencilState);
}
skyboxMesh.Parameters.AddSources(this.Parameters);
RenderSystem.GlobalMeshes.AddMesh(skyboxMesh);
}
private Entity CreateStandBorder(Material material)
{
var mesh = new Mesh
{
Draw = GeometricPrimitive.Torus.New(GraphicsDevice, 720, 10, 64).ToMeshDraw(),
Material = material
};
mesh.Parameters.Set(LightingKeys.ReceiveShadows, true);
return new Entity()
{
new ModelComponent
{
Model = new Model()
{
mesh
},
Parameters =
{
{TexturingKeys.Texture0, Asset.Load<Texture>("red")},
{TexturingKeys.Sampler0, GraphicsDevice.SamplerStates.AnisotropicWrap},
{MaterialKeys.SpecularColorValue, 0.3f*Color4.White}
}
}
};
}
public void Generate(IServiceRegistry services, Model model)
{
if (services == null) throw new ArgumentNullException("services");
if (model == null) throw new ArgumentNullException("model");
var graphicsDevice = services.GetSafeServiceAs<IGraphicsDeviceService>().GraphicsDevice;
var data = this.CreatePrimitiveMeshData();
if (data.Vertices.Length == 0)
{
throw new InvalidOperationException("Invalid GeometricPrimitive [{0}]. Expecting non-zero Vertices array");
}
var boundingBox = BoundingBox.Empty;
for (int i = 0; i < data.Vertices.Length; i++)
BoundingBox.Merge(ref boundingBox, ref data.Vertices[i].Position, out boundingBox);
BoundingSphere boundingSphere;
unsafe
{
fixed (void* verticesPtr = data.Vertices)
BoundingSphere.FromPoints((IntPtr)verticesPtr, 0, data.Vertices.Length, VertexPositionNormalTexture.Size, out boundingSphere);
}
var originalLayout = data.Vertices[0].GetLayout();
// Generate Tangent/BiNormal vectors
var resultWithTangentBiNormal = VertexHelper.GenerateTangentBinormal(originalLayout, data.Vertices, data.Indices);
// Generate Multitexcoords
var result = VertexHelper.GenerateMultiTextureCoordinates(resultWithTangentBiNormal);
var meshDraw = new MeshDraw();
var layout = result.Layout;
var vertexBuffer = result.VertexBuffer;
var indices = data.Indices;
if (indices.Length < 0xFFFF)
{
var indicesShort = new ushort[indices.Length];
for (int i = 0; i < indicesShort.Length; i++)
{
indicesShort[i] = (ushort)indices[i];
}
meshDraw.IndexBuffer = new IndexBufferBinding(Buffer.Index.New(graphicsDevice, indicesShort).RecreateWith(indicesShort), false, indices.Length);
}
else
{
if (graphicsDevice.Features.Profile <= GraphicsProfile.Level_9_3)
{
throw new InvalidOperationException("Cannot generate more than 65535 indices on feature level HW <= 9.3");
}
meshDraw.IndexBuffer = new IndexBufferBinding(Buffer.Index.New(graphicsDevice, indices).RecreateWith(indices), true, indices.Length);
}
meshDraw.VertexBuffers = new[] { new VertexBufferBinding(Buffer.New(graphicsDevice, vertexBuffer, BufferFlags.VertexBuffer).RecreateWith(vertexBuffer), layout, data.Vertices.Length) };
meshDraw.DrawCount = indices.Length;
meshDraw.PrimitiveType = PrimitiveType.TriangleList;
var mesh = new Mesh { Draw = meshDraw, BoundingBox = boundingBox, BoundingSphere = boundingSphere };
model.BoundingBox = boundingBox;
model.BoundingSphere = boundingSphere;
model.Add(mesh);
if (MaterialInstance != null && MaterialInstance.Material != null)
{
model.Materials.Add(MaterialInstance);
}
}