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|
use ecs::Component;
use crate::color::Color;
use crate::texture::Texture;
use crate::builder;
#[derive(Debug, Clone)]
#[non_exhaustive]
pub struct Material
{
pub ambient: Color<f32>,
pub diffuse: Color<f32>,
pub specular: Color<f32>,
pub ambient_map: Option<Texture>,
pub diffuse_map: Option<Texture>,
pub specular_map: Option<Texture>,
pub shininess: f32,
}
impl Material
{
pub fn builder() -> Builder
{
Builder::default()
}
}
impl Default for Material
{
fn default() -> Self
{
Self::builder().build()
}
}
/// [`Material`] builder.
#[derive(Debug, Clone)]
pub struct Builder
{
ambient: Color<f32>,
diffuse: Color<f32>,
specular: Color<f32>,
ambient_map: Option<Texture>,
diffuse_map: Option<Texture>,
specular_map: Option<Texture>,
shininess: f32,
}
impl Builder
{
#[must_use]
pub fn new() -> Self
{
Self {
ambient: Color::WHITE_F32,
diffuse: Color::WHITE_F32,
specular: Color::WHITE_F32,
ambient_map: None,
diffuse_map: None,
specular_map: None,
shininess: 32.0,
}
}
#[must_use]
pub fn ambient(mut self, ambient: Color<f32>) -> Self
{
self.ambient = ambient;
self
}
#[must_use]
pub fn diffuse(mut self, diffuse: Color<f32>) -> Self
{
self.diffuse = diffuse;
self
}
#[must_use]
pub fn specular(mut self, specular: Color<f32>) -> Self
{
self.specular = specular;
self
}
#[must_use]
pub fn ambient_map(mut self, ambient_map: Texture) -> Self
{
self.ambient_map = Some(ambient_map);
self
}
#[must_use]
pub fn diffuse_map(mut self, diffuse_map: Texture) -> Self
{
self.diffuse_map = Some(diffuse_map);
self
}
#[must_use]
pub fn specular_map(mut self, specular_map: Texture) -> Self
{
self.specular_map = Some(specular_map);
self
}
#[must_use]
pub fn shininess(mut self, shininess: f32) -> Self
{
self.shininess = shininess;
self
}
/// Builds a new [`Material`].
///
/// # Panics
/// Will panic if no ambient map, diffuse map or specular map is set.
#[must_use]
pub fn build(self) -> Material
{
Material {
ambient: self.ambient,
diffuse: self.diffuse,
specular: self.specular,
ambient_map: self.ambient_map,
diffuse_map: self.diffuse_map,
specular_map: self.specular_map,
shininess: self.shininess,
}
}
}
impl Default for Builder
{
fn default() -> Self
{
Self::new()
}
}
builder! {
/// Material flags.
#[builder(name = FlagsBuilder, derives = (Debug, Default, Clone))]
#[derive(Debug, Default, Clone, Component)]
#[non_exhaustive]
pub struct Flags
{
/// Whether to use material's ambient color instead of the global ambient color.
/// Default is `false`
pub use_ambient_color: bool,
}
}
impl Flags
{
#[must_use]
pub fn builder() -> FlagsBuilder
{
FlagsBuilder::default()
}
}
|
