internal List<ChunkColumn> AllNeighborColumns(ChunkColumn chunkColumn)
{
Vector2[] deltas = new Vector2[] {
new Vector2(-1,-1),
new Vector2(0,-1),
new Vector2(1,-1),
new Vector2(-1,0),
new Vector2(1,0),
new Vector2(-1,1),
new Vector2(0,1),
new Vector2(1,1),
};
List<ChunkColumn> neighbors = new List<ChunkColumn>();
foreach (Vector2 delta in deltas)
{
PositionChunk chunkPos = new PositionChunk(chunkColumn.Position.X + (int)delta.X, 0, chunkColumn.Position.Z + (int)delta.Y);
if (ChunkColumns.ContainsKey(chunkPos.Key))
neighbors.Add(ChunkColumns[chunkPos.Key]);
else
neighbors.Add(null);
}
return neighbors;
}
private ChunkColumn GetChunkColumn(PositionChunk chunkPos)
{
PositionChunk columnPos = new PositionChunk(chunkPos.X, 0, chunkPos.Z);
ChunkColumn column;
if (ChunkColumns.ContainsKey(columnPos.Key))
{
column = ChunkColumns[columnPos.Key];
}
else
{
column = new ChunkColumn(columnPos.X, columnPos.Z);
ChunkColumns.Add(columnPos.Key, column);
column.InitializeStage();
}
column.Active = true;
return column;
}