grafix_toolbox/kit/opengl/geom/
mesh.rs

1use super::*;
2use GL::spec::*;
3
4pub trait AnyMesh {
5	fn Draw(&self);
6	fn to_trait(self) -> Box<dyn AnyMesh>;
7}
8impl<I: IdxType, C: AttrType, T: AttrType, N: AttrType> AnyMesh for Mesh<I, C, T, N> {
9	fn Draw(&self) {
10		self.vao.Bind().Draw(self.draw);
11	}
12	fn to_trait(self) -> Box<dyn AnyMesh> {
13		Box(self)
14	}
15}
16pub struct Mesh<I, C, T, N> {
17	pub vao: Vao<I>,
18	pub buff: (IdxArr<I>, AttrArr<C>, Option<AttrArr<T>>, AttrArr<N>),
19	pub draw: (u32, GLenum),
20}
21impl<I: IdxType, C: AttrType, T: AttrType, N: AttrType> Mesh<I, C, T, N> {
22	pub fn new(args: impl MeshArgs<I, C, T, N>) -> Self {
23		let (idx, xyz, uv, norm, mode) = args.get();
24
25		let draw = (u32(idx.len()), mode);
26
27		let idx = IdxArr::new(idx);
28		let xyz = AttrArr::new(xyz);
29		let norm = AttrArr::new(norm);
30
31		let mut vao = Vao::new();
32		vao.BindIdxs(&idx);
33
34		let uv = uv.map(|uv| {
35			let uv = AttrArr::new(uv);
36			vao.AttribFmt(&uv, (1, 2));
37			uv
38		});
39		vao.AttribFmt(&xyz, (0, 3));
40		vao.AttribFmt(&norm, (2, 3));
41		let buff = (idx, xyz, uv, norm);
42
43		Self { vao, buff, draw }
44	}
45}
46
47type MArgs<'s, I, C, T, N> = (&'s [I], &'s [C], Option<&'s [T]>, &'s [N], GLenum);
48pub trait MeshArgs<I, C, T, N> {
49	fn get(&self) -> MArgs<'_, I, C, T, N>;
50}
51impl<I: IdxType, C: AttrType, T: AttrType, N: AttrType, SI: AsRef<[I]>, SC: AsRef<[C]>, ST: AsRef<[T]>, SN: AsRef<[N]>> MeshArgs<I, C, T, N> for (SI, SC, ST, SN, GLenum) {
52	fn get(&self) -> MArgs<'_, I, C, T, N> {
53		(self.0.as_ref(), self.1.as_ref(), Some(self.2.as_ref()), self.3.as_ref(), self.4)
54	}
55}
56impl<I: IdxType, C: AttrType, N: AttrType, SI: AsRef<[I]>, SC: AsRef<[C]>, SN: AsRef<[N]>> MeshArgs<I, C, f16, N> for (SI, SC, SN, GLenum) {
57	fn get(&self) -> MArgs<'_, I, C, f16, N> {
58		(self.0.as_ref(), self.1.as_ref(), None, self.2.as_ref(), self.3)
59	}
60}
grafix_toolbox/kit/opengl/geom/mesh.rs

grafix_toolbox/kit/opengl/geom/
mesh.rs
