public bool MoveNext()
{
++m_mortonCode;
if (m_mortonCode < m_maxMortonCode)
{
MyMortonCode3D.Decode(m_mortonCode, out m_pos);
m_current = m_source.Get(m_type, ref m_pos);
return(true);
}
return(false);
}
public static MyDefinitionId?VoxelMaterialAt(this MyVoxelBase voxel, Vector3D min, Vector3D grow,
ref MyStorageData cache)
{
if (cache == null)
{
cache = new MyStorageData();
}
var shape = new BoundingBoxD(Vector3D.Min(min, min + grow), Vector3D.Max(min, min + grow));
Vector3I voxMin;
Vector3I voxMax;
Vector3I voxCells;
GetVoxelShapeDimensions(voxel, shape, out voxMin, out voxMax, out voxCells);
Vector3I_RangeIterator cellsItr = new Vector3I_RangeIterator(ref Vector3I.Zero, ref voxCells);
while (cellsItr.IsValid())
{
Vector3I cellMinCorner;
Vector3I cellMaxCorner;
GetCellCorners(ref voxMin, ref voxMax, ref cellsItr, out cellMinCorner, out cellMaxCorner);
Vector3I rangeMin = cellMinCorner - 1;
Vector3I rangeMax = cellMaxCorner + 1;
voxel.Storage.ClampVoxelCoord(ref rangeMin);
voxel.Storage.ClampVoxelCoord(ref rangeMax);
cache.Resize(rangeMin, rangeMax);
voxel.Storage.ReadRange(cache, MyStorageDataTypeFlags.Material, 0, rangeMin, rangeMax);
var mortonCode = -1;
var maxMortonCode = cache.Size3D.Size;
while (++mortonCode < maxMortonCode)
{
Vector3I pos;
MyMortonCode3D.Decode(mortonCode, out pos);
var content = cache.Content(ref pos);
if (content <= MyVoxelConstants.VOXEL_CONTENT_EMPTY)
{
continue;
}
var material = cache.Material(ref pos);
var def = MyDefinitionManager.Static.GetVoxelMaterialDefinition(material);
if (def != null)
{
return(def.Id);
}
}
cellsItr.MoveNext();
}
return(null);
}