public Block(Ch0nk ch0Nk, Vector3b relativePosition, IMaterial material, byte size)
{
this.ch0Nk = ch0Nk;
this.relativePosition = relativePosition;
this.material = material;
this.size = size;
}
/// <summary>
/// Gets all the blocks contained in this tree and the subtrees
/// </summary>
/// <param name="ch0Nk"></param>
/// <param name="startLocation"></param>
/// <returns></returns>
public List<Block> GetAllBlocks(Ch0nk ch0Nk, Vector3b startLocation)
{
//if there are no children, this block is returned
if (_children == null)
//if (_material is AirMaterial)
// return new List<Block>(1);
//else
return new List<Block>(new[] { new Block(ch0Nk, startLocation, _material, Size) });
//otherwise, iterate over all the children
List<Block> blocks = new List<Block>();
for (int i = 0; i < 2; i++)
for (int j = 0; j < 2; j++)
for (int k = 0; k < 2; k++)
{
if (_children[i, j, k] == null)
blocks.Add(new Block(ch0Nk, startLocation + new Vector3b(i * _middle, j * _middle, k * _middle), _material, _middle));
else
blocks.AddRange(_children[i, j, k].GetAllBlocks(ch0Nk, startLocation + new Vector3b(i * _middle, j * _middle, k * _middle)));
//else if (!(_material is AirMaterial))
}
return blocks;
}
public void ChangeMaterial(BoundingShape boundingShape, IMaterial material, Ch0nk ch0Nk, Vector3b startLocation)
{
Vector3i treeAbsolutePosition = ch0Nk.Position + startLocation;
BoundingCube treeBoundingBox = new BoundingCube(treeAbsolutePosition, Size);
//if (_children == null && boundingShape.Encloses(treeBoundingBox) && Size > 1)
//Console.WriteLine("GOT IT");
if ((Size == 1) || (_children == null && boundingShape.Encloses(treeBoundingBox)))
{
_material = material;
}
else
{
for (int i = 0; i < 2; i++)
for (int j = 0; j < 2; j++)
for (int k = 0; k < 2; k++)
{
Vector3i childAbsolutePosition = ch0Nk.Position + startLocation + new Vector3b(i * _middle, j * _middle, k * _middle);
BoundingCube childBoundingBox = new BoundingCube(childAbsolutePosition, _middle);
if (childBoundingBox.Intersects(boundingShape))
{
if (_children == null)
_children = new EightFoldTree[2, 2, 2];
if (_children[i, j, k] == null)
_children[i, j, k] = new EightFoldTree(_middle, _material);
_children[i, j, k].ChangeMaterial(boundingShape, material, ch0Nk, startLocation + new Vector3b(i * _middle, j * _middle, k * _middle));
}
}
}
}