Struct MetatileRegistry 

pub struct MetatileRegistry {
    pub defs: Vec<MetatileDef>,
}

Registry of all metatile definitions for a tileset.

A registry holds every MetatileDef used by a map or tileset. The map’s block data references metatiles by their index in this registry (the index is returned by add_def).

Fields

defs: Vec<MetatileDef>

Implementations

impl MetatileRegistry

pub fn new() -> Self

Creates an empty registry.

pub fn add_def(&mut self, def: MetatileDef) -> usize

Adds a metatile definition and returns its index in the registry.

pub fn get(&self, index: usize) -> Option<&MetatileDef>

Looks up a metatile definition by index. Returns None if the index is out of bounds.

pub fn from_gb_blocksets(bst_data: &[u8]) -> Self

Parses a complete .bst byte slice into a MetatileRegistry.

The slice is expected to be a multiple of 16 bytes (the standard Game Boy block size). Each 16-byte chunk is fed to MetatileDef::from_gb_block.

Panics

Panics if bst_data.len() is not a multiple of 16.

Trait Implementations

impl Clone for MetatileRegistry

fn clone(&self) -> MetatileRegistry

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for MetatileRegistry

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for MetatileRegistry

fn default() -> Self

Returns the “default value” for a type.