public PointsGisLayerCPU(Game game, int maxPointsCount, bool isDynamic = true) : base(game)
{
PointsCountToDraw = maxPointsCount;
indeces = new int[maxPointsCount*6];
PointsDrawOffset = 0;
SizeMultiplier = 1;
var vbOptions = isDynamic ? VertexBufferOptions.Dynamic : VertexBufferOptions.Default;
currentBuffer = new VertexBuffer(Game.GraphicsDevice, typeof(Gis.CartPoint), maxPointsCount * 4, vbOptions);
PointsCpu = new Gis.CartPoint[maxPointsCount*4];
indBuf = new IndexBuffer(Game.GraphicsDevice, indeces.Length);
for (int i = 0; i < maxPointsCount; i += 1) {
indeces[i*6 + 0] = i*4 + 0;
indeces[i*6 + 1] = i*4 + 1;
indeces[i*6 + 2] = i*4 + 2;
indeces[i*6 + 3] = i*4 + 1;
indeces[i*6 + 4] = i*4 + 3;
indeces[i*6 + 5] = i*4 + 2;
}
indBuf.SetData(indeces);
shader = Game.Content.Load<Ubershader>("globe.Debug.hlsl");
factory = shader.CreateFactory(typeof(PointFlags), Primitive.TriangleList, VertexInputElement.FromStructure<Gis.CartPoint>(), BlendState.AlphaBlend, RasterizerState.CullCW, DepthStencilState.None);
}
/// <summary>
/// Creates buffer from given indices
/// </summary>
/// <param name="device"></param>
/// <param name="indices"></param>
/// <returns></returns>
public static IndexBuffer Create ( GraphicsDevice device, int[] indices )
{
var ib = new IndexBuffer( device, indices.Length );
ib.SetData( indices );
return ib;
}
void GenerateTileGrid(int density, ref VertexBuffer vb, out IndexBuffer ib, double left, double right, double top, double bottom, int zoom)
{
int[] indexes;
Gis.GeoPoint[] vertices;
DisposableBase.SafeDispose(ref vb);
CalculateVertices(out vertices, out indexes, density, left, right, top, bottom);
vb = new VertexBuffer(Game.GraphicsDevice, typeof(Gis.GeoPoint), vertices.Length);
ib = new IndexBuffer(Game.GraphicsDevice, indexes.Length);
ib.SetData(indexes);
vb.SetData(vertices, 0, vertices.Length);
}
/// <summary>
/// Sets index and vertex buffers.
/// </summary>
/// <param name="vertexBuffers">Vertex buffers to apply. Provide null if no vertex buffers are required.</param>
/// <param name="offsets">Offsets in each vertex buffer.</param>
/// <param name="indexBuffer">Index buffers to apply.</param>
public void SetupVertexInput ( VertexBuffer[] vertexBuffers, int[] offsets, IndexBuffer indexBuffer )
{
lock (deviceContext) {
if (indexBuffer!=null) {
deviceContext.InputAssembler.SetIndexBuffer( indexBuffer.Buffer, DXGI.Format.R32_UInt, 0 );
} else {
deviceContext.InputAssembler.SetIndexBuffer( null, Format.Unknown, 0 );
}
if (vertexBuffers==null) {
deviceContext.InputAssembler.SetVertexBuffers( 0, new VertexBufferBinding( null, 0, 0 ) );
} else {
if (vertexBuffers.Length!=offsets.Length) {
throw new InvalidOperationException("vertexBuffers.Length != offsets.Length");
}
if (vertexBuffers.Length>16) {
throw new InvalidOperationException("vertexBuffers.Length > 16");
}
int count = vertexBuffers.Length;
//#warning Remove allocation!
var inputVertexBufferBinding = new VertexBufferBinding[count];
for (int i=0; i<count; i++) {
inputVertexBufferBinding[i].Buffer = ( vertexBuffers[i]==null ) ? null : vertexBuffers[i].Buffer;
inputVertexBufferBinding[i].Stride = ( vertexBuffers[i]==null ) ? 0 : vertexBuffers[i].Stride;
inputVertexBufferBinding[i].Offset = offsets[i];
}
deviceContext.InputAssembler.SetVertexBuffers( 0, inputVertexBufferBinding );
}
}
}
/// <summary>
/// Sets index and vertex buffer.
/// </summary>
/// <param name="vertexBuffer">Vertex buffer to apply</param>
/// <param name="indexBuffer">Index buffer to apply.</param>
public void SetupVertexInput ( VertexBuffer vertexBuffer, IndexBuffer indexBuffer )
{
SetupVertexInput( new[]{ vertexBuffer }, new[]{ 0 }, indexBuffer );
}
/// <summary>
/// Creates instance from mesh in scene.
/// </summary>
/// <param name="rs"></param>
/// <param name="mesh"></param>
public MeshInstance ( RenderSystem rs, Scene scene, Mesh mesh, MaterialInstance[] materials )
{
Visible = true;
World = Matrix.Identity;
Color = Color4.Zero;
Blending = new Vector4(1,1,1,1);
vb = mesh.VertexBuffer;
ib = mesh.IndexBuffer;
vertexCount = mesh.VertexCount;
indexCount = mesh.IndexCount;
ShadingGroups = mesh.Subsets
.Select( s => new ShadingGroup( s, materials[s.MaterialIndex] ) )
.ToArray();
IsSkinned = mesh.IsSkinned;
if (IsSkinned && scene.Nodes.Count > SceneRenderer.MaxBones) {
throw new ArgumentOutOfRangeException( string.Format("Scene contains more than {0} bones and cannot be used for skinning.", SceneRenderer.MaxBones ) );
}
if (IsSkinned) {
BoneTransforms = Enumerable
.Range(0, SceneRenderer.MaxBones)
.Select( i => Matrix.Identity )
.ToArray();
}
}
/// <summary>
/// Sets index and vertex buffer.
/// </summary>
/// <param name="vertexBuffer">Vertex buffer to apply</param>
/// <param name="indexBuffer">Index buffer to apply.</param>
public void SetupVertexInput(VertexBuffer vertexBuffer, IndexBuffer indexBuffer)
{
SetupVertexInput(new[] { vertexBuffer }, new[] { 0 }, indexBuffer);
}
protected void Initialize(Gis.GeoPoint[] points, int[] indeces, bool isDynamic)
{
shader = Game.Content.Load<Ubershader>("globe.Poly.hlsl");
factory = shader.CreateFactory(typeof(PolyFlags), EnumFunc);
factoryXray = shader.CreateFactory(typeof(PolyFlags), Primitive.TriangleList, VertexInputElement.FromStructure<Gis.GeoPoint>(), BlendState.Additive, RasterizerState.CullCW, DepthStencilState.None);
var vbOptions = isDynamic ? VertexBufferOptions.Dynamic : VertexBufferOptions.Default;
firstBuffer = new VertexBuffer(Game.GraphicsDevice, typeof(Gis.GeoPoint), points.Length, vbOptions);
firstBuffer.SetData(points);
currentBuffer = firstBuffer;
indexBuffer = new IndexBuffer(Game.Instance.GraphicsDevice, indeces.Length);
indexBuffer.SetData(indeces);
PointsCpu = points;
cb = new ConstantBuffer(Game.GraphicsDevice, typeof(ConstData));
constData = new ConstData();
constData.Data = Vector4.One;
}
