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use math::*;

use std::rc::Rc;
use std::sync::Arc;
use std::cell::RefCell;
use std::any::Any;

use crate::core::object::*;
use crate::core::resource::*;
use crate::core::material::*;
use crate::core::shape::*;
use crate::core::event::*;
use crate::core::geometry::*;
use crate::core::transform::*;
use crate::core::downcast::Downcast;

use util::uuid::OsRandNewV4;

pub struct MeshShape
{
	pub uuid:uuid::Uuid,
	pub transform: Transform,
	pub geometry: Arc<Geometry + 'static>,
	pub material: Arc<Material + 'static>
}

impl MeshShape 
{
	pub fn new(geometry:Arc<Geometry + 'static>, material: Arc<Material + 'static>) -> Self 
	{
		Self
		{
			uuid:uuid::Uuid::new_v4_osrng(),
			geometry:geometry,
			material:material,
			transform:Transform::new(),
		}
	}
}

impl Shape for MeshShape
{
    #[inline]
    fn geometry(&self) -> Arc<Geometry + 'static>
    {
        self.geometry.clone()
    }

    #[inline]
    fn set_geometry(&mut self, geometry: Arc<Geometry + 'static>) 
    {
        self.geometry = geometry;
    }

    #[inline]
    fn material(&self) -> Arc<Material + 'static>
    {
        self.material.clone()
    }

    #[inline]
    fn set_material(&mut self, material: Arc<Material + 'static>) 
    {
        self.material = material;
    }
}

impl Object for MeshShape
{
	#[inline]
	fn translate(&self) -> &float3
	{
		self.transform.translate()
	}

	#[inline]
	fn scale(&self) -> &float3
	{
		self.transform.scale()
	}

	#[inline]
	fn rotation(&self) -> &float3
	{
		self.transform.rotation()
	}

	#[inline]
	fn transform(&self) -> &float4x4
	{
		self.transform.transform()
	}

	#[inline]
	fn transform_inverse(&self) -> &float4x4
	{
		self.transform.transform_inverse()
	}

	#[inline]
	fn set_translate(&mut self, pos:float3)
	{
		self.transform.set_translate(pos)
	}

	#[inline]
	fn set_scale(&mut self, sz:float3)
	{
		self.transform.set_scale(sz)
	}

	#[inline]
	fn set_rotation(&mut self, rot:float3)
	{
		self.transform.set_rotation(rot)
	}
}

impl Resource for MeshShape
{
	#[inline]
	fn uuid(&self) -> &uuid::Uuid
	{
		&self.uuid
	}
}

impl Downcast for MeshShape
{
    fn as_any(&self) -> &Any { self }
    fn as_any_mut(&mut self) -> &mut Any { self }
}

impl UpdateEvent for MeshShape 
{
	fn update(&mut self)
	{
		self.transform.update();
	}
}

impl From<MeshShape> for Rc<Shape + 'static>
{
	fn from(shape:MeshShape) -> Self
	{
		Rc::new(shape)
	}
}

impl From<MeshShape> for Arc<Shape + 'static>
{
	fn from(shape:MeshShape) -> Self
	{
		Arc::new(shape)
	}
}

impl From<MeshShape> for Rc<RefCell<Shape + 'static>>
{
	fn from(shape:MeshShape) -> Self
	{
		Rc::new(RefCell::new(shape))
	}
}

impl From<MeshShape> for Arc<RefCell<Shape + 'static>>
{
	fn from(shape:MeshShape) -> Self
	{
		Arc::new(RefCell::new(shape))
	}
}