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);
}
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;
}
