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use rin_material::texture::CubemapSampler;
use rin_material::Parameter;
use mutiny_derive::Material;
use rinecs::EntitiesCreationExt;
use crate::scene::CreationProxy;
use crate::scene::{CreationContext, Scene};
use crate::components::Visible;
use rin_math::{Unit, Vec3, vec2, UnitQuat};
use rin_graphics::{self as graphics, Node};
use rinecs::{Component};
use serde_derive::{Serialize, Deserialize};
pub struct SkyboxBuilder<'a>{
world: CreationProxy<'a>,
visible: bool,
cubemap: CubemapSampler,
cubemap_level: f32,
up: Option<Unit<Vec3>>,
}
#[derive(Component, Debug, Serialize, Deserialize)]
pub struct Skybox;
impl<'a> crate::Builder<'a> for SkyboxBuilder<'a> {
type Settings = CubemapSampler;
type IdType = SkyboxMaterial;
type Depends = ();
fn register(world: &mut rinecs::World) {}
fn new(world: CreationProxy<'a>, cubemap: CubemapSampler) -> SkyboxBuilder<'a> {
SkyboxBuilder{
world,
visible: true,
cubemap,
cubemap_level: 0.,
up: None,
}
}
}
impl<'a> SkyboxBuilder<'a> {
pub fn invisible(&mut self) -> &mut SkyboxBuilder<'a> {
self.visible = false;
self
}
pub fn up(&mut self, up: Unit<Vec3>) -> &mut SkyboxBuilder<'a> {
self.up = Some(up);
self
}
pub fn cubemap_level(&mut self, cubemap_level: f32) -> &mut SkyboxBuilder<'a> {
self.cubemap_level = cubemap_level;
self
}
#[cfg(feature="gl_forward_renderer")]
pub fn build(&mut self) -> rinecs::Entity{
let geom = graphics::plane_texcoords(vec2(2., 2.), 1, 1);
let full_quad = self.world.register_mesh(geom);
let material = SkyboxMaterial{
cubemap: Parameter::new(self.cubemap) ,
cubemap_level: Parameter::new( self.cubemap_level ),
};
let material = self.world.register_material("RIN_SKYBOX_MATERIAL", material);
let trafo = if let Some(up) = self.up.as_ref() {
let orientation = UnitQuat::rotation_between_axis(&Vec3::y_axis(), up).unwrap();
Node::from(orientation)
}else{
Node::identity()
};
self.world.new_entity()
.add(Skybox)
.add(full_quad)
.add(material)
.add(trafo)
.add(Visible::new(self.visible))
.build()
}
}
#[derive(Material, Debug, Serialize, Deserialize)]
pub struct SkyboxMaterial{
#[material(not_data)]
pub cubemap: Parameter<CubemapSampler>,
#[material(uniform)]
pub cubemap_level: Parameter<f32>,
}