func NewSubChunk(airRuntimeID uint32) *SubChunk {
	return &SubChunk{air: airRuntimeID}
}
NewSubChunk creates a new sub chunk. All sub chunks should be created through this function
package chunk
type SubChunk struct {
	air        uint32
	storages   []*BlockStorage
	blockLight [2048]uint8
	skyLight   [2048]uint8
}