private ChunkBuilder AddBuilder(IntVector2 worldPosition)
{
var chunkBuilder = new ChunkBuilder(worldPosition, World.CHUNK_SIZE);
if (_chunkBuildersByWorldPosition.ContainsKey(worldPosition) ||
_chunksByWorldPosition.ContainsKey(worldPosition))
{
throw new InvalidOperationException($"This world already has a chunk registered at {worldPosition}.");
}
Register(chunkBuilder);
return(chunkBuilder);
}
private void Register(ChunkBuilder chunkBuilder)
{
_builderCache.Add(chunkBuilder);
_chunkBuildersByWorldPosition[chunkBuilder.Position] = chunkBuilder;
foreach (var direction in Directions.Cardinals)
{
var neighborPos = chunkBuilder.Position + (direction * World.CHUNK_SIZE);
if (_chunkBuildersByWorldPosition.TryGetValue(neighborPos, out var neighborBuilder))
{
chunkBuilder.AddNeighbor(neighborBuilder, direction);
neighborBuilder.AddNeighbor(chunkBuilder, -direction);
}
else if (_chunksByWorldPosition.TryGetValue(neighborPos, out var neighborChunk))
{
chunkBuilder.AddNeighbor(neighborChunk, direction);
}
}
}
public bool TryGetNeighborBuilder(IntVector2 direction, out ChunkBuilder neighbor) => _neighborBuilders.TryGetValue(direction, out neighbor);
public void AddNeighbor(ChunkBuilder neighbor, IntVector2 direction) => _neighborBuilders[direction] = neighbor;