Struct MaterialLibrary 

pub struct MaterialLibrary {
    pub materials: Vec<PbrMaterial>,
    pub name_map: HashMap<String, usize>,
    /* private fields */
}

A collection of named PBR materials.

Fields

materials: Vec<PbrMaterial>

All materials, indexed by their position.

name_map: HashMap<String, usize>

Name-to-index mapping.

Implementations

impl MaterialLibrary

pub fn new() -> Self

pub fn with_presets() -> Self

Create a library pre-populated with all preset materials.

pub fn add(&mut self, name: impl Into<String>, material: PbrMaterial) -> usize

Add a material to the library. Returns its index.

pub fn get(&self, name: &str) -> Option<&PbrMaterial>

Get a material by name.

pub fn get_mut(&mut self, name: &str) -> Option<&mut PbrMaterial>

Get a material by name (mutable).

pub fn get_by_index(&self, index: usize) -> Option<&PbrMaterial>

Get a material by index.

pub fn get_by_index_mut(&mut self, index: usize) -> Option<&mut PbrMaterial>

Get a material by index (mutable).

pub fn index_of(&self, name: &str) -> Option<usize>

Find the index of a material by name.

pub fn remove(&mut self, name: &str) -> Option<PbrMaterial>

Remove a material by name.

pub fn len(&self) -> usize

Number of materials in the library.

pub fn is_empty(&self) -> bool

Whether the library is empty.

pub fn names(&self) -> Vec<&str>

List all material names.

pub fn resolve_instance( &self, instance: &MaterialInstance, ) -> Option<PbrMaterial>

Resolve a material instance against this library.

pub fn describe(&self) -> String

Generate a description of all materials.

Trait Implementations

impl Debug for MaterialLibrary

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

Formats the value using the given formatter.

impl Default for MaterialLibrary

fn default() -> Self

Returns the “default value” for a type.