internal PlanarTerrainBlock(PlanarTerrain terrain, Vector2i blockIndex)
{
this.terrain = terrain;
this.blockIndex = blockIndex;
int size = terrain.BlockSize;
//heightTexture = new Texture2D(device, size, size, true, Format.Single, DepthFormat.None, 0, RenderTargetUsage.PlatformContents);
//heightBackBuffer = new Texture2D(device, size, size, true, Format.Single, DepthFormat.None, 0, RenderTargetUsage.PlatformContents);
treeRoot = new TerrainTreeNode(this, new Vector2i(0, 0), size, terrain.DeepestLod);
DirtyTreeArea = new Box2i(0, 0, size, size);
}
public TerrainComponent(PlanarTerrain terrain)
{
if (terrain == null)
{
throw new ArgumentNullException("terrain");
}
Terrain = terrain;
terrain.ComponentsMutable.Add(this);
if (SupportsNodeLodBlend)
{
terrain.ComponentsNodeLodBlend.Add(this);
}
if (SupportsNodeClip)
{
terrain.ComponentsNodeClip.Add(this);
}
}
/// <summary>Detach the <see cref="TerrainComponent"/> from the <see cref="Terrain"/>.</summary>
public void Detach()
{
if (Terrain != null)
{
throw new InvalidOperationException("The module has already been detached from the terrain.");
}
Terrain.ComponentsMutable.Remove(this);
OnDetach();
if (Detached != null)
{
Detached(this, EventArgs.Empty);
}
if (SupportsNodeLodBlend)
{
Terrain.ComponentsNodeLodBlend.Remove(this);
}
if (SupportsNodeClip)
{
Terrain.ComponentsNodeClip.Remove(this);
}
Terrain = null;
}
