From ee1b7fd3bc66501b252ce9e3e5ba89ac9aa54632 Mon Sep 17 00:00:00 2001
From: omniscient <17525998+omnisci3nce@users.noreply.github.com>
Date: Sat, 10 Aug 2024 23:18:22 +1000
Subject: more work on bindings and ral

---
 bindgen/rust/src/lib.rs | 50 +++++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 48 insertions(+), 2 deletions(-)

(limited to 'bindgen/rust/src/lib.rs')

diff --git a/bindgen/rust/src/lib.rs b/bindgen/rust/src/lib.rs
index f2e177f..dd83293 100644
--- a/bindgen/rust/src/lib.rs
+++ b/bindgen/rust/src/lib.rs
@@ -4,6 +4,7 @@
 #![cfg_attr(docsrs, feature(doc_cfg))]
 
 pub use celeritas_sys as ffi;
+use glam::Vec3;
 
 /// Commonly used types
 pub mod prelude;
@@ -17,14 +18,20 @@ use std::{
     fs::{self, File},
     io::Write,
     path::Path,
+    ptr::addr_of_mut,
 };
 
 use celeritas_sys::{
-    Camera, Camera_Create, Core_Bringup, Core_Shutdown, DirectionalLight, PointLight, RenderEnt,
-    Transform, Vec3,
+    Core_Bringup, Core_Shutdown, DirectionalLight, Material, Material_Insert, Model, PointLight,
+    TextureHandle, Transform,
 };
 use serde::{Deserialize, Serialize};
 
+pub trait IntoFFI {
+    type FFIType;
+    unsafe fn into_ffi(self) -> Self::FFIType;
+}
+
 /// Wrapper around a string that is the path to a gltf model **relative** to the configured
 /// `ASSETS` folder
 #[derive(Debug, Clone, Serialize, Deserialize)]
@@ -103,3 +110,42 @@ bitflags::bitflags! {
 
     }
 }
+
+type M = Material;
+/*
+pub name: [::std::os::raw::c_char; 64usize],
+pub kind: MaterialKind,
+pub base_colour: Vec3,
+pub metallic: f32_,
+pub roughness: f32_,
+pub ambient_occlusion: f32_,
+pub albedo_map: TextureHandle,
+pub normal_map: TextureHandle,
+pub metallic_roughness_map: TextureHandle,
+pub ambient_occlusion_map: TextureHandle, */
+
+#[derive(Debug, Clone, Default, PartialEq)]
+pub struct PBRMaterial {
+    pub name: String,
+    pub base_colour: glam::Vec3,
+    pub metallic: f32,
+    pub roughness: f32,
+    pub ambient_occlusion: f32,
+    pub albedo_map: Option<TextureHandle>,
+    pub normal_map: Option<TextureHandle>,
+    pub metallic_roughness_map: Option<TextureHandle>,
+    pub ambient_occlusion_map: Option<TextureHandle>,
+}
+impl PBRMaterial {
+    /// Creates the  material in the C core returning a handle to it
+    pub fn create(mat: Self) -> ffi::MaterialHandle {
+        let mut ffi_mat = ffi::Material::from(mat);
+        unsafe { Material_Insert(addr_of_mut!(ffi_mat)) }
+    }
+}
+
+impl From<PBRMaterial> for ffi::Material {
+    fn from(value: PBRMaterial) -> Self {
+        todo!("impl conv for materials")
+    }
+}
-- 
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