// = nxn[nbits] + 4x4[2bits] + 8x8[3bit]
public RecordGroup EnsureCell(Vector3Int cellId)
{
if (_ensureCELLsByLabel == null)
{
_ensureCELLsByLabel = new HashSet <byte[]>(ByteArrayComparer.Default);
}
var cellBlockX = (short)(cellId.x >> 5);
var cellBlockY = (short)(cellId.y >> 5);
var cellSubBlockX = (short)(cellId.x >> 3);
var cellSubBlockY = (short)(cellId.y >> 3);
var cellSubBlockId = new byte[4];
Buffer.BlockCopy(BitConverter.GetBytes(cellSubBlockY), 0, cellSubBlockId, 0, 2);
Buffer.BlockCopy(BitConverter.GetBytes(cellSubBlockX), 0, cellSubBlockId, 2, 2);
if (_ensureCELLsByLabel.Contains(cellSubBlockId))
{
return(this);
}
Load();
if (CELLsById == null)
{
CELLsById = new Dictionary <Vector3Int, CELLRecord>();
}
if (LANDsById == null && cellId.z >= 0)
{
LANDsById = new Dictionary <Vector3Int, LANDRecord>();
}
if (GroupsByLabel.TryGetValue(cellSubBlockId, out var cellSubBlocks))
{
// find cell
var cellSubBlock = cellSubBlocks.Single();
cellSubBlock.Load(true);
foreach (var cell in cellSubBlock.Records.Cast <CELLRecord>())
{
cell.GridId = new Vector3Int(cell.XCLC.Value.GridX, cell.XCLC.Value.GridY, !cell.IsInterior ? cellId.z : -1);
CELLsById.Add(cell.GridId, cell);
// find children
if (cellSubBlock.GroupsByLabel.TryGetValue(BitConverter.GetBytes(cell.Id), out var cellChildren))
{
var cellChild = cellChildren.Single();
var cellTemporaryChildren = cellChild.Groups.Single(x => x.Headers.First().GroupType == Header.HeaderGroupType.CellTemporaryChildren);
foreach (var land in cellTemporaryChildren.Records.Cast <LANDRecord>())
{
land.GridId = new Vector3Int(cell.XCLC.Value.GridX, cell.XCLC.Value.GridY, !cell.IsInterior ? cellId.z : -1);
LANDsById.Add(land.GridId, land);
}
}
}
_ensureCELLsByLabel.Add(cellSubBlockId);
return(this);
}
return(null);
}
public RecordGroup[] EnsureWrldAndCell(Vector3Int cellId)
{
var cellBlockX = (short)(cellId.x >> 5);
var cellBlockY = (short)(cellId.y >> 5);
var cellBlockId = new byte[4];
Buffer.BlockCopy(BitConverter.GetBytes(cellBlockY), 0, cellBlockId, 0, 2);
Buffer.BlockCopy(BitConverter.GetBytes(cellBlockX), 0, cellBlockId, 2, 2);
Load();
if (GroupsByLabel.TryGetValue(cellBlockId, out var cellBlocks))
{
return(cellBlocks.Select(x => x.EnsureCell(cellId)).ToArray());
}
return(null);
}