void UpdateVertexBuffer()
{
if (m_env == null)
{
RemoveAndDispose(ref m_vertexBuffer);
m_vertexList = null;
return;
}
var envContents = m_env.Contents;
if (m_vertexList != null && envContents.Count > m_vertexList.Count)
{
m_vertexList = null;
}
if (m_vertexList == null)
{
m_vertexList = new VertexList <SceneryVertex>(envContents.Count * 2);
}
IntGrid3 viewGrid = m_viewGridProvider.ViewGrid;
m_vertexList.Clear();
foreach (var ob in envContents.OfType <ConcreteObject>())
{
if (viewGrid.Contains(ob.Location) == false)
{
continue;
}
var c = ob.Color;
if (c == GameColor.None)
{
c = ob.Material.Color;
}
m_vertexList.Add(new SceneryVertex(ob.Location.ToVector3(), ToColor(c), (uint)ob.SymbolID));
}
if (m_vertexList.Count > 0)
{
if (m_vertexBuffer == null || m_vertexBuffer.ElementCount < m_vertexList.Count)
{
RemoveAndDispose(ref m_vertexBuffer);
m_vertexBuffer = ToDispose(SharpDX.Toolkit.Graphics.Buffer.Vertex.New <SceneryVertex>(this.GraphicsDevice, m_vertexList.Count));
}
m_vertexBuffer.SetData(m_vertexList.Data, 0, m_vertexList.Count);
}
}
public void GenerateVertices(ref IntGrid3 viewGrid, IntVector3 cameraChunkPos,
VertexList <TerrainVertex> terrainVertexList, VertexList <SceneryVertex> sceneryVertexList)
{
terrainVertexList.Clear();
sceneryVertexList.Clear();
var diff = cameraChunkPos - this.ChunkPosition;
Direction visibleChunkFaces = 0;
if (diff.X >= 0)
{
visibleChunkFaces |= Direction.PositiveX;
}
if (diff.X <= 0)
{
visibleChunkFaces |= Direction.NegativeX;
}
if (diff.Y >= 0)
{
visibleChunkFaces |= Direction.PositiveY;
}
if (diff.Y <= 0)
{
visibleChunkFaces |= Direction.NegativeY;
}
if (diff.Z >= 0)
{
visibleChunkFaces |= Direction.PositiveZ;
}
if (diff.Z <= 0)
{
visibleChunkFaces |= Direction.NegativeZ;
}
GenerateVertices(ref viewGrid, visibleChunkFaces, terrainVertexList, sceneryVertexList);
this.VertexCount = terrainVertexList.Count;
this.SceneryVertexCount = sceneryVertexList.Count;
}