chunk

var (
	// DiskEncoding is the Encoding for writing a Chunk to disk. It writes block palettes using NBT and does not use
	// varints.
	DiskEncoding diskEncoding
	// NetworkEncoding is the Encoding used for sending a Chunk over network. It does not use NBT and writes varints.
	NetworkEncoding networkEncoding
	// BiomePaletteEncoding is the paletteEncoding used for encoding a palette of biomes.
	BiomePaletteEncoding biomePaletteEncoding
	// BlockPaletteEncoding is the paletteEncoding used for encoding a palette of block states encoded as NBT.
	BlockPaletteEncoding blockPaletteEncoding
)

var (
	// SkyLight holds a light implementation that can be used for propagating sky light through a sub chunk.
	SkyLight skyLight
	// BlockLight holds a light implementation that can be used for propagating block light through a sub chunk.
	BlockLight blockLight
)

var (
	// LightBlocks is a list of block light levels (0-15) indexed by block runtime IDs. The map is used to do a
	// fast lookup of block light.
	LightBlocks = make([]uint8, 0, 7000)
	// FilteringBlocks is a map for checking if a block runtime ID filters light, and if so, how many levels.
	// Light is able to propagate through these blocks, but will have its level reduced.
	FilteringBlocks = make([]uint8, 0, 7000)
)

var (
	// RuntimeIDToState must hold a function to convert a runtime ID to a name and its state properties.
	RuntimeIDToState func(runtimeID uint32) (name string, properties map[string]interface{}, found bool)
)

var StateToRuntimeID func(name string, properties map[string]interface{}) (runtimeID uint32, found bool)