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|
use std::path::Path;
use std::sync::LazyLock;
use crate::asset::{Assets, Label as AssetLabel, Submitter as AssetSubmitter};
use crate::builder;
use crate::color::Rgba;
use crate::data_types::dimens::Dimens;
use crate::image::{Error as ImageError, Image};
pub static WHITE_1X1_ASSET_LABEL: LazyLock<AssetLabel> = LazyLock::new(|| AssetLabel {
path: Path::new("").into(),
name: Some("white_1x1_texture".into()),
});
#[derive(Debug, Clone)]
pub enum Texture
{
Texture2D(Tex2D),
CubeMap(TexCubeMap),
}
#[derive(Debug, Clone)]
pub struct Tex2D
{
pub image: Image,
pub properties: Properties,
}
#[derive(Debug, Clone)]
pub struct TexCubeMap
{
pub images: [(CubeMapFace, Image); 6],
pub properties: Properties,
}
#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord)]
pub enum CubeMapFace
{
PositiveX,
NegativeX,
PositiveY,
NegativeY,
PositiveZ,
NegativeZ,
}
builder! {
/// Texture properties
#[builder(name = PropertiesBuilder, derives=(Debug, Clone))]
#[derive(Debug, Clone)]
#[non_exhaustive]
pub struct Properties
{
pub wrap: Wrapping,
pub magnifying_filter: Filtering,
pub minifying_filter: Filtering,
}
}
impl Properties
{
pub fn builder() -> PropertiesBuilder
{
PropertiesBuilder::default()
}
}
impl Default for Properties
{
fn default() -> Self
{
Self {
wrap: Wrapping::Repeat,
magnifying_filter: Filtering::Linear,
minifying_filter: Filtering::Nearest,
}
}
}
impl Default for PropertiesBuilder
{
fn default() -> Self
{
Properties::default().into()
}
}
#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
#[non_exhaustive]
pub enum Filtering
{
Nearest,
Linear,
}
/// Texture wrapping.
#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
#[non_exhaustive]
pub enum Wrapping
{
Repeat,
MirroredRepeat,
ClampToEdge,
ClampToBorder,
}
builder! {
#[builder(name = ImportSettingsBuilder, derives=(Debug, Clone))]
#[derive(Debug, Default, Clone)]
#[non_exhaustive]
pub struct ImportSettings {
properties: Properties,
}
}
impl ImportSettings
{
pub fn builder() -> ImportSettingsBuilder
{
ImportSettingsBuilder::default()
}
}
impl Default for ImportSettingsBuilder
{
fn default() -> Self
{
ImportSettings::default().into()
}
}
pub(crate) fn initialize(assets: &mut Assets)
{
assets.set_importer::<_, _>(["png", "jpg"], import);
assets.store_with_label(
WHITE_1X1_ASSET_LABEL.clone(),
Texture::Texture2D(Tex2D {
image: Image::from_color(Rgba::<u8>::white(), Dimens { width: 1, height: 1 }),
properties: Properties::default(),
}),
);
}
fn import(
asset_submitter: &mut AssetSubmitter<'_>,
path: &Path,
settings: Option<&'_ ImportSettings>,
) -> Result<(), ImageError>
{
asset_submitter.submit_store(Texture::Texture2D(Tex2D {
image: Image::open(path)?,
properties: settings
.map(|settings| settings.properties.clone())
.unwrap_or_default(),
}));
Ok(())
}
|
