Struct Texture 

pub struct Texture(pub String);

The value of a texture variable in the Textures map.

The string value will either specify a location to load the texture from or a reference to another texture variable to take its value from.

Tuple Fields

0: String

Implementations

impl Texture

pub fn location(&self) -> Option<&str>

Returns the resource location of the texture, or None if the texture should instead take on the value of another texture variable.

Example

let texture = Texture::from("texture/location");
assert_eq!(texture.location(), Some("texture/location"));

let texture = Texture::from("#another_var");
assert_eq!(texture.location(), None);

pub fn reference(&self) -> Option<&str>

Returns the name of the texture variable from which this texture should get its value, or None if the texture should be loaded from a resource.

Example

let texture = Texture::from("texture/location");
assert_eq!(texture.reference(), None);

let texture = Texture::from("#another_var");
assert_eq!(texture.reference(), Some("another_var"));

pub fn resolve<'a>(&'a self, substitutions: &'a Textures) -> Option<&'a str>

Resolves this texture value using the variables present in other, or returns None if:

• This texture value not reference another texture variable, or
• There is no variable in other that matches

Example

use maplit::hashmap;

let substitutions = Textures::from(hashmap! {
    "foo" => "textures/foo",
    "bar" => "#another_var",
});

let texture = Texture::from("#foo");
assert_eq!(texture.resolve(&substitutions), Some("textures/foo"));

let texture = Texture::from("#bar");
assert_eq!(texture.resolve(&substitutions), Some("#another_var"));

let texture = Texture::from("#not_found");
assert_eq!(texture.resolve(&substitutions), None);

let texture = Texture::from("not_a_reference");
assert_eq!(texture.resolve(&substitutions), None);

Trait Implementations

impl Clone for Texture

fn clone(&self) -> Texture

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Texture

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

Formats the value using the given formatter.

impl Default for Texture

fn default() -> Texture

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for Texture

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl<'a> From<&'a str> for Texture

fn from(source: &'a str) -> Self

Converts to this type from the input type.

impl From<String> for Texture

fn from(source: String) -> Self

Converts to this type from the input type.

impl PartialEq for Texture

fn eq(&self, other: &Texture) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Serialize for Texture

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl Eq for Texture

impl StructuralPartialEq for Texture