/// <summary>
/// Looks for chunk map at given world position.
/// </summary>
/// <param name="worldPosition">The world position.</param>
/// <returns>The chunk map (can be null when doesn't exist).</returns>
public ChunkMap FindChunkMap(Vector3Int worldPosition)
{
// Convert worldPosition to chunk map offset
var offset = ChunkMap.WorldToMapOffset(worldPosition);
return(_chunkMaps.TryGetValue(offset, out var map) ? map : null);
}
/// <summary>
/// Looks for chunk map at given world position,
/// when chunk map is not found, this function creates one.
/// </summary>
/// <param name="worldPosition">The world position.</param>
/// <returns>The chunk map.</returns>
public ChunkMap FindOrAddChunkMap(Vector3Int worldPosition)
{
// Convert worldPosition to chunk map offset
var offset = ChunkMap.WorldToMapOffset(worldPosition);
// Try to find the chunk map with the same calculated map offset
if (!_chunkMaps.TryGetValue(offset, out var map))
{
// Not found, create and add
map = new ChunkMap(offset);
// Add chunk map
_chunkMaps.Add(offset, map);
}
return(map);
}
