public static void RenderCells(GraphicsDevice graphics, Frustum frustum,
TerrainGeometryCellsComponent geo, D3DTerrainRenderComponent render, TransformComponent transform)
{
var context = graphics.ImmediateContext;
if (render.TransformWorldBuffer.HasValue)
{
context.VertexShader.SetConstantBuffer(TransforStructBuffer.RegisterResourceSlot, render.TransformWorldBuffer.Get());
}
context.InputAssembler.InputLayout = render.Layout.Get();
context.InputAssembler.PrimitiveTopology = render.PrimitiveTopology;
graphics.UpdateRasterizerState(render.RasterizerState.GetDescription());
context.OutputMerger.SetDepthStencilState(render.DepthStencilState.Get(), 0);
var blendFactor = new SharpDX.Mathematics.Interop.RawColor4(0, 0, 0, 0);
context.OutputMerger.SetBlendState(render.BlendingState.Get(), blendFactor, -1);
for (var index = 0; index < geo.Cells.Length; ++index)
{
var cell = geo.Cells[index];
var box = cell.Tree.GetBounds().Transform(transform.MatrixWorld);
if (cell.Tree.IsBuilt && frustum.Contains(ref box) != Frustum.ContainmentType.Disjoint)
{
context.InputAssembler.SetVertexBuffers(0, new VertexBufferBinding(render.VertexBuffers.Get()[index], TerrainVertex.Size, 0));
context.InputAssembler.SetIndexBuffer(render.IndexBuffers.Get()[index], SharpDX.DXGI.Format.R32_UInt, 0);
graphics.ImmediateContext.DrawIndexed(cell.IndexCount, 0, 0);
}
}
}
void UpdateCellBuffers(GraphicsDevice graphics,
TerrainGeometryCellsComponent geo, D3DTerrainRenderComponent render)
{
var vbuff = new SharpDX.Direct3D11.Buffer[geo.Cells.Length];
var ibuff = new SharpDX.Direct3D11.Buffer[geo.Cells.Length];
for (var cellIndex = 0; cellIndex < geo.Cells.Length; cellIndex++)
{
var cell = geo.Cells[cellIndex];
var pool = ArrayPool <TerrainClipmapsVertex> .Shared;
TerrainClipmapsVertex[] vertex = null;
try {
//vertex = new TerrainVertex[pos.Length];
vertex = pool.Rent(cell.VertexCount);//
for (var i = 0; i < cell.VertexCount; i++)
{
vertex[i] = new TerrainClipmapsVertex {
texcoor = cell.TextureCoordinates[i],
};
}
vbuff[cellIndex] = graphics.CreateBuffer(BindFlags.VertexBuffer, vertex);
ibuff[cellIndex] = graphics.CreateBuffer(BindFlags.IndexBuffer, cell.Indices);
} finally {
pool.Return(vertex);
}
}
render.VertexBuffers.Set(vbuff);
render.IndexBuffers.Set(ibuff);
}
public static void UpdateCellBuffers(GraphicsDevice graphics,
TerrainGeometryCellsComponent geo, D3DTerrainRenderComponent render)
{
var vbuff = new SharpDX.Direct3D11.Buffer[geo.Cells.Length];
var ibuff = new SharpDX.Direct3D11.Buffer[geo.Cells.Length];
for (var cellIndex = 0; cellIndex < geo.Cells.Length; cellIndex++)
{
var cell = geo.Cells[cellIndex];
var pool = ArrayPool <TerrainVertex> .Shared;
TerrainVertex[] vertex = null;
try {
//vertex = new TerrainVertex[pos.Length];
vertex = pool.Rent(cell.VertexCount);//
for (var i = 0; i < cell.VertexCount; i++)
{
var weight = new Vector4(
SharpDX.MathUtil.Clamp(1.0f - (float)Math.Abs(cell.Positions[i].Y - 0f) / 8.0f, 0f, 1f),
SharpDX.MathUtil.Clamp(1.0f - (float)Math.Abs(cell.Positions[i].Y - 10) / 6.0f, 0f, 1f),
SharpDX.MathUtil.Clamp(1.0f - (float)Math.Abs(cell.Positions[i].Y - 15) / 6.0f, 0f, 1f),
SharpDX.MathUtil.Clamp(1.0f - (float)Math.Abs(cell.Positions[i].Y - geo.MaxHeight) / 4.0f, 0f, 1f)
);
var total = weight.X + weight.Y + weight.Z + weight.W;
weight.X /= total;
weight.Y /= total;
weight.Z /= total;
weight.W /= total;
vertex[i] = new TerrainVertex {
position = cell.Positions[i],
normal = cell.Normals[i],
tangent = cell.Tangents[i],
binormal = cell.Binormal[i],
color = cell.Colors[i],
texcoor = cell.TextureCoordinates[i],
normapMapTexCoor = cell.NormalMapTexCoordinates[i],
texWeights = weight,
};
}
vbuff[cellIndex] = graphics.CreateBuffer(BindFlags.VertexBuffer, vertex);
ibuff[cellIndex] = graphics.CreateBuffer(BindFlags.IndexBuffer, cell.Indices);
} finally {
pool.Return(vertex);
}
}
render.VertexBuffers.Set(vbuff);
render.IndexBuffers.Set(ibuff);
}
