/// <summary>
/// Creates an Entity that contains our dynamic Vertex and Index buffers.
/// This Entity will be rendered by the model renderer.
/// </summary>
/// <param name="verticesCount"></param>
/// <param name="indicesCount"></param>
private void CreateTerrainModelEntity(int verticesCount, int indicesCount)
{
// Compute sizes
var vertexDeclaration = VertexNormalTexture.VertexDeclaration;
var vertexBufferSize = verticesCount * vertexDeclaration.CalculateSize();
var indexBufferSize = indicesCount * sizeof(int);
// Create Vertex and Index buffers
terrainVertexBuffer = Buffer.Vertex.New(GraphicsDevice, vertexBufferSize, GraphicsResourceUsage.Dynamic);
terrainIndexBuffer = Buffer.New(GraphicsDevice, indexBufferSize, BufferFlags.IndexBuffer, GraphicsResourceUsage.Dynamic);
// Prepare mesh and entity
var meshDraw = new MeshDraw
{
PrimitiveType = PrimitiveType.TriangleStrip,
VertexBuffers = new[] { new VertexBufferBinding(terrainVertexBuffer, vertexDeclaration, verticesCount) },
IndexBuffer = new IndexBufferBinding(terrainIndexBuffer, true, indicesCount),
};
// var effect1 = EffectSystem.LoadEffect("SimpleTerrainEffectMain").WaitForResult();
// var effect2 = EffectSystem.LoadEffect("VertexTextureTerrain");
var effectMaterial = LoadAsset <Material>("mt_rock");
Texture tex0 = (Texture)effectMaterial.Parameters[MaterialKeys.DiffuseMap]; // rock
Texture tex1 = (Texture)effectMaterial.Parameters[DiffuseMap1]; // grass
Texture tex2 = (Texture)effectMaterial.Parameters[DiffuseMap2]; // water
effectMaterial.Parameters.Add(VertexTextureTerrainKeys.MeshTexture0, tex1);
effectMaterial.Parameters.Add(VertexTextureTerrainKeys.MeshTexture1, tex0);
effectMaterial.Parameters.Add(VertexTextureTerrainKeys.MeshTexture2, tex2);
effectMaterial.Parameters.Add(MaterialKeys.DiffuseMap, tex1);
//terrainMesh = new Mesh { Draw = meshDraw /*, Material = LoadAsset<Material>("TerrainMaterial")*/ };
terrainMesh = new Mesh {
Draw = meshDraw, MaterialIndex = 0
};
//terrainEntity = new Entity { { ModelComponent.Key, new ModelComponent { Model = new Model { terrainMesh } } } };
//TerrainEntity.Add<ModelComponent>( ModelComponent.Key, new ModelComponent { Model = new Model { terrainMesh } } );
TerrainEntity.Add <ModelComponent>(ModelComponent.Key, new ModelComponent {
Model = new Model {
terrainMesh, effectMaterial
}
});
}
/// <summary>
/// Creates a new StructuredCounter buffer accessible as a <see cref="ShaderResourceView" /> and optionaly as a <see cref="UnorderedAccessView" />.
/// </summary>
/// <typeparam name="T">Type of the element in the structured buffer</typeparam>
/// <param name="device">The <see cref="GraphicsDevice"/>.</param>
/// <param name="count">The number of element in this buffer.</param>
/// <returns>A Structured buffer</returns>
public static Buffer <T> New <T>(GraphicsDevice device, int count) where T : struct
{
const BufferFlags BufferFlags = BufferFlags.StructuredCounterBuffer | BufferFlags.ShaderResource | BufferFlags.UnorderedAccess;
return(Buffer.New <T>(device, count, BufferFlags));
}
/// <summary>
/// Creates a new StructuredAppend buffer accessible as a <see cref="ShaderResourceView" /> and as a <see cref="UnorderedAccessView" />.
/// </summary>
/// <param name="device">The <see cref="GraphicsDevice"/>.</param>
/// <param name="count">The number of element in this buffer.</param>
/// <param name="elementSize">Size of the struct.</param>
/// <returns>A StructuredAppend buffer</returns>
public static Buffer New(GraphicsDevice device, int count, int elementSize)
{
const BufferFlags BufferFlags = BufferFlags.StructuredAppendBuffer | BufferFlags.ShaderResource | BufferFlags.UnorderedAccess;
return(Buffer.New(device, count * elementSize, elementSize, BufferFlags));
}
/// <summary>
/// Creates a new Typed buffer <see cref="GraphicsResourceUsage.Default" /> uasge.
/// </summary>
/// <param name="device">The <see cref="GraphicsDevice"/>.</param>
/// <param name="count">The number of data with the following viewFormat.</param>
/// <param name="viewFormat">The view format of the buffer.</param>
/// <param name="isUnorderedAccess">if set to <c>true</c> this buffer supports unordered access (RW in HLSL).</param>
/// <param name="usage">The usage.</param>
/// <returns>A Typed buffer</returns>
public static Buffer New(GraphicsDevice device, int count, PixelFormat viewFormat, bool isUnorderedAccess = false, GraphicsResourceUsage usage = GraphicsResourceUsage.Default)
{
return(Buffer.New(device, count * viewFormat.SizeInBytes(), BufferFlags.ShaderResource | (isUnorderedAccess ? BufferFlags.UnorderedAccess : BufferFlags.None), viewFormat, usage));
}
/// <summary>
/// Creates a new index buffer with <see cref="GraphicsResourceUsage.Default"/> uasge by default.
/// </summary>
/// <param name="device">The <see cref="GraphicsDevice"/>.</param>
/// <param name="size">The size in bytes.</param>
/// <param name="usage">The usage.</param>
/// <returns>A index buffer</returns>
public static Buffer New(GraphicsDevice device, int size, GraphicsResourceUsage usage = GraphicsResourceUsage.Default)
{
return(Buffer.New(device, size, BufferFlags.IndexBuffer, usage));
}
/// <summary>
/// Creates a new index buffer with <see cref="GraphicsResourceUsage.Immutable"/> uasge by default.
/// </summary>
/// <typeparam name="T">Type of the index buffer to get the sizeof from</typeparam>
/// <param name="device">The <see cref="GraphicsDevice"/>.</param>
/// <param name="value">The value to initialize the index buffer.</param>
/// <param name="usage">The usage of this resource.</param>
/// <returns>A index buffer</returns>
public static Buffer <T> New <T>(GraphicsDevice device, T[] value, GraphicsResourceUsage usage = GraphicsResourceUsage.Immutable) where T : struct
{
return(Buffer.New(device, value, BufferFlags.IndexBuffer, usage));
}
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);
}
}
/// <summary>
/// Creates a temporary buffer.
/// </summary>
/// <param name="description">The description.</param>
/// <param name="viewFormat">The shader view format on the buffer</param>
/// <returns>Buffer.</returns>
protected virtual Buffer CreateBuffer(BufferDescription description, PixelFormat viewFormat)
{
return(Buffer.New(GraphicsDevice, description, viewFormat));
}
/// <summary>
/// Creates a new Raw buffer with <see cref="GraphicsResourceUsage.Default"/> uasge by default.
/// </summary>
/// <param name="device">The <see cref="GraphicsDevice"/>.</param>
/// <param name="value">The value to initialize the Raw buffer.</param>
/// <param name="additionalBindings">The additional bindings (for example, to create a combined raw/index buffer, pass <see cref="BufferFlags.IndexBuffer" />)</param>
/// <param name="usage">The usage of this resource.</param>
/// <returns>A Raw buffer</returns>
public static Buffer New(GraphicsDevice device, DataPointer value, BufferFlags additionalBindings = BufferFlags.None, GraphicsResourceUsage usage = GraphicsResourceUsage.Default)
{
return(Buffer.New(device, value, 0, BufferFlags.RawBuffer | additionalBindings, usage));
}
/// <summary>
/// Creates a new Vertex buffer with <see cref="GraphicsResourceUsage.Default"/> usage by default.
/// </summary>
/// <typeparam name="T">Type of the Vertex buffer to get the sizeof from</typeparam>
/// <param name="device">The <see cref="GraphicsDevice"/>.</param>
/// <param name="vertexBufferCount">Number of vertex in this buffer with the sizeof(T).</param>
/// <param name="usage">The usage.</param>
/// <returns>A Vertex buffer</returns>
public static Buffer <T> New <T>(GraphicsDevice device, int vertexBufferCount, GraphicsResourceUsage usage = GraphicsResourceUsage.Default) where T : struct
{
return(Buffer.New <T>(device, vertexBufferCount, BufferFlags.VertexBuffer, usage));
}
/// <summary>
/// Creates a new Raw buffer with <see cref="GraphicsResourceUsage.Default"/> uasge by default.
/// </summary>
/// <typeparam name="T">Type of the Raw buffer to get the sizeof from</typeparam>
/// <param name="device">The <see cref="GraphicsDevice"/>.</param>
/// <param name="value">The value to initialize the Raw buffer.</param>
/// <param name="additionalBindings">The additional bindings (for example, to create a combined raw/index buffer, pass <see cref="BufferFlags.IndexBuffer" />)</param>
/// <param name="usage">The usage of this resource.</param>
/// <returns>A Raw buffer</returns>
public static Buffer <T> New <T>(GraphicsDevice device, T[] value, BufferFlags additionalBindings = BufferFlags.None, GraphicsResourceUsage usage = GraphicsResourceUsage.Default) where T : struct
{
return(Buffer.New(device, value, BufferFlags.RawBuffer | additionalBindings, usage));
}
/// <summary>
/// Creates a new Typed buffer <see cref="GraphicsResourceUsage.Default" /> uasge.
/// </summary>
/// <param name="device">The <see cref="GraphicsDevice"/>.</param>
/// <param name="value">The value to initialize the Typed buffer.</param>
/// <param name="viewFormat">The view format of the buffer.</param>
/// <param name="isUnorderedAccess">if set to <c>true</c> this buffer supports unordered access (RW in HLSL).</param>
/// <param name="usage">The usage of this resource.</param>
/// <returns>A Typed buffer</returns>
public static Buffer New(GraphicsDevice device, DataPointer value, PixelFormat viewFormat, bool isUnorderedAccess = false, GraphicsResourceUsage usage = GraphicsResourceUsage.Default)
{
return(Buffer.New(device, value, 0, BufferFlags.ShaderResource | (isUnorderedAccess?BufferFlags.UnorderedAccess : BufferFlags.None), viewFormat, usage));
}
/// <summary>
/// Creates a new Typed buffer <see cref="GraphicsResourceUsage.Default" /> uasge.
/// </summary>
/// <typeparam name="T">Type of the Typed buffer to get the sizeof from</typeparam>
/// <param name="device">The <see cref="GraphicsDevice"/>.</param>
/// <param name="value">The value to initialize the Typed buffer.</param>
/// <param name="viewFormat">The view format of the buffer.</param>
/// <param name="isUnorderedAccess">if set to <c>true</c> this buffer supports unordered access (RW in HLSL).</param>
/// <param name="usage">The usage of this resource.</param>
/// <returns>A Typed buffer</returns>
public static Buffer <T> New <T>(GraphicsDevice device, T[] value, PixelFormat viewFormat, bool isUnorderedAccess = false, GraphicsResourceUsage usage = GraphicsResourceUsage.Default) where T : struct
{
return(Buffer.New(device, value, BufferFlags.ShaderResource | (isUnorderedAccess ? BufferFlags.UnorderedAccess : BufferFlags.None), viewFormat, usage));
}
/// <summary>
/// Creates a new StructuredCounter buffer <see cref="GraphicsResourceUsage.Default" /> uasge.
/// </summary>
/// <typeparam name="T">Type of the StructuredCounter buffer to get the sizeof from</typeparam>
/// <param name="device">The <see cref="GraphicsDevice"/>.</param>
/// <param name="value">The value to initialize the StructuredCounter buffer.</param>
/// <returns>A StructuredCounter buffer</returns>
public static Buffer New <T>(GraphicsDevice device, T[] value) where T : struct
{
const BufferFlags BufferFlags = BufferFlags.StructuredCounterBuffer | BufferFlags.ShaderResource | BufferFlags.UnorderedAccess;
return(Buffer.New(device, value, BufferFlags));
}
/// <summary>
/// Creates a new constant buffer with <see cref="GraphicsResourceUsage.Dynamic"/> usage.
/// </summary>
/// <param name="device">The <see cref="GraphicsDevice"/>.</param>
/// <param name="size">The size in bytes.</param>
/// <returns>A constant buffer</returns>
public static Buffer New(GraphicsDevice device, int size)
{
return(Buffer.New(device, size, BufferFlags.ConstantBuffer, GraphicsResourceUsage.Dynamic));
}
/// <summary>
/// Creates a new StructuredCounter buffer <see cref="GraphicsResourceUsage.Default" /> uasge.
/// </summary>
/// <param name="device">The <see cref="GraphicsDevice"/>.</param>
/// <param name="value">The value to initialize the StructuredCounter buffer.</param>
/// <param name="elementSize">Size of the element.</param>
/// <returns>A StructuredCounter buffer</returns>
public static Buffer New(GraphicsDevice device, DataPointer value, int elementSize)
{
const BufferFlags BufferFlags = BufferFlags.StructuredCounterBuffer | BufferFlags.ShaderResource | BufferFlags.UnorderedAccess;
return(Buffer.New(device, value, elementSize, BufferFlags));
}
/// <summary>
/// Creates a new constant buffer with <see cref="GraphicsResourceUsage.Dynamic"/> usage.
/// </summary>
/// <typeparam name="T">Type of the constant buffer to get the sizeof from</typeparam>
/// <param name="device">The <see cref="GraphicsDevice"/>.</param>
/// <returns>A constant buffer</returns>
public static Buffer <T> New <T>(GraphicsDevice device) where T : struct
{
return(Buffer.New <T>(device, 1, BufferFlags.ConstantBuffer, GraphicsResourceUsage.Dynamic));
}
/// <summary>
/// Creates a new index buffer with <see cref="GraphicsResourceUsage.Immutable"/> uasge by default.
/// </summary>
/// <param name="device">The <see cref="GraphicsDevice"/>.</param>
/// <param name="value">The value to initialize the index buffer.</param>
/// <param name="usage">The usage of this resource.</param>
/// <returns>A index buffer</returns>
public static Buffer New(GraphicsDevice device, DataPointer value, GraphicsResourceUsage usage = GraphicsResourceUsage.Immutable)
{
return(Buffer.New(device, value, 0, BufferFlags.IndexBuffer, usage));
}
/// <summary>
/// Creates a new constant buffer with <see cref="GraphicsResourceUsage.Dynamic"/> usage.
/// </summary>
/// <typeparam name="T">Type of the constant buffer to get the sizeof from</typeparam>
/// <param name="device">The <see cref="GraphicsDevice"/>.</param>
/// <param name="value">The value to initialize the constant buffer.</param>
/// <param name="usage">The usage of this resource.</param>
/// <returns>A constant buffer</returns>
public static Buffer <T> New <T>(GraphicsDevice device, T[] value, GraphicsResourceUsage usage = GraphicsResourceUsage.Dynamic) where T : struct
{
return(Buffer.New(device, value, BufferFlags.ConstantBuffer, usage));
}
/// <summary>
/// Creates a new index buffer with <see cref="GraphicsResourceUsage.Default"/> uasge by default.
/// </summary>
/// <typeparam name="T">Type of the index buffer to get the sizeof from</typeparam>
/// <param name="device">The <see cref="GraphicsDevice"/>.</param>
/// <param name="usage">The usage.</param>
/// <returns>A index buffer</returns>
public static Buffer <T> New <T>(GraphicsDevice device, GraphicsResourceUsage usage = GraphicsResourceUsage.Default) where T : struct
{
return(Buffer.New <T>(device, 1, BufferFlags.IndexBuffer, usage));
}
/// <summary>
/// Creates a new constant buffer with <see cref="GraphicsResourceUsage.Dynamic"/> usage.
/// </summary>
/// <param name="device">The <see cref="GraphicsDevice"/>.</param>
/// <param name="value">The value to initialize the constant buffer.</param>
/// <param name="usage">The usage of this resource.</param>
/// <returns>A constant buffer</returns>
public static Buffer New(GraphicsDevice device, DataPointer value, GraphicsResourceUsage usage = GraphicsResourceUsage.Dynamic)
{
return(Buffer.New(device, value, 0, BufferFlags.ConstantBuffer, usage));
}
/// <summary>
/// Creates a new index buffer with <see cref="GraphicsResourceUsage.Immutable"/> uasge by default.
/// </summary>
/// <param name="device">The <see cref="GraphicsDevice"/>.</param>
/// <param name="value">The value to initialize the index buffer.</param>
/// <param name="is32BitIndex">Set to true if the buffer is using a 32 bit index or false for 16 bit index.</param>
/// <param name="usage">The usage of this resource.</param>
/// <returns>A index buffer</returns>
public static Buffer New(GraphicsDevice device, byte[] value, bool is32BitIndex, GraphicsResourceUsage usage = GraphicsResourceUsage.Immutable)
{
return(Buffer.New(device, value, is32BitIndex ? 4 : 2, BufferFlags.IndexBuffer, PixelFormat.None, usage));
}
/// <summary>
/// Creates a tempoary buffer.
/// </summary>
/// <param name="description">The description.</param>
/// <returns>Buffer.</returns>
protected virtual Buffer CreateBuffer(BufferDescription description)
{
return(Buffer.New(GraphicsDevice, description));
}