func (pa *PerlinArena) Chunk(cc coords.Chunk) *mapgen.Chunk { return mapgen.GenerateChunk(pa, cc) }
func (fa *MazeArena) Chunk(cc coords.Chunk) *mapgen.Chunk { return mapgen.GenerateChunk(fa, cc) }
func (fw *FlatWorld) Chunk(cc coords.Chunk) *mapgen.Chunk { return mapgen.GenerateChunk(fw, cc) }