/// <summary>
/// <para>Second stepin quad tree update.</para>
/// <para>This method get all enabled vertices for all sub quad node and build two lists of vertices and and indices.</para>
/// </summary>
private void BuildQuadVerticesList()
{
this.Vertices.Clear(1000);
this.Indices.Clear(1000);
for (int i = 0; i < this.Childs.Length; i++)
this.Childs[i].GetEnabledVertices();
/*if (Indices.Count == 0)
return;*/
if (!this.Device.IsDisposed)
{
IndexBuffer indexBuffer;
VertexBuffer vertexBuffer;
vertexBuffer = new VertexBuffer(this.Device, typeof(VertexPositionNormalTextureTangentBinormal), Vertices.Count, BufferUsage.WriteOnly);
vertexBuffer.SetData<VertexPositionNormalTextureTangentBinormal>(Vertices.ToArray());
indexBuffer = new IndexBuffer(this.Device, typeof(int), Indices.Count, BufferUsage.WriteOnly);
indexBuffer.SetData<int>(Indices.ToArray());
BuffersData data = new BuffersData();
data.IndexBuffer = indexBuffer;
data.VertexBuffer = vertexBuffer;
data.NumberOfIndices = Indices.Count / 3;
data.NumberOfVertices = Vertices.Count;
this._lastLoadedDatas.Add(data);
}
}
private void SetVertecesIndices()
{
if (_lastLoadedDatas.Count > 0)
{
this._disposeDatas.Add(this._currentBufferData);
this._currentBufferData = _lastLoadedDatas[0];
this.Device.SetVertexBuffer(this._currentBufferData.VertexBuffer);
this.Device.Indices = this._currentBufferData.IndexBuffer;
_lastLoadedDatas.RemoveAt(0);
}
else
{
this.Device.SetVertexBuffer(this._currentBufferData.VertexBuffer);
this.Device.Indices = this._currentBufferData.IndexBuffer;
}
}
public void Load(GraphicsDevice device)
{
this._device = device;
this._minimalDepth = 4;
for (int i = 0; i < this._loadUpdateOccurences; i++)
UpdateQuadVertices();
this._minimalDepth = 1;
this.BuildQuadVerticesList();
this._currentBufferData = this._lastLoadedDatas[0];
//this._vertexDeclaration = new VertexDeclaration(null);
//this.Device.VertexDeclaration = this._vertexDeclaration;
//this.Device.Vertices[0].SetSource(this._currentBufferData.VertexBuffer, 0, VertexPositionNormalTexture.SizeInBytes);
this.Device.SetVertexBuffer(this._currentBufferData.VertexBuffer);
this.Device.Indices = this._currentBufferData.IndexBuffer;
}