1 files changed, 108 insertions, 0 deletions
diff --git a/bindgen/rust/celeritas-sys/examples/main_loop.rs b/bindgen/rust/celeritas-sys/examples/main_loop.rs
new file mode 100644
index 0000000..65f4137
--- /dev/null
+++ b/bindgen/rust/celeritas-sys/examples/main_loop.rs
@@ -0,0 +1,108 @@
+use std::{
+    ffi::CString,
+    ptr::{self, addr_of_mut},
+};
+
+use celeritas::*;
+
+unsafe fn run_game() {
+    // init
+    let p: *mut GLFWwindow = ptr::null_mut();
+    Core_Bringup(p);
+
+    let core = get_global_core();
+    let glfw_window_ptr = Core_GetGlfwWindowPtr(core);
+
+    // cam pos: 18.871811 10.658584 11.643305 cam frontL -0.644326 -0.209243 -0.735569
+    let camera_pos = Vec3 {
+        x: 18.9,
+        y: 10.6,
+        z: 11.6,
+    };
+    let camera_front = Vec3 {
+        x: -0.6,
+        y: -0.2,
+        z: -0.7,
+    };
+    let camera = Camera_Create(
+        camera_pos,
+        camera_front,
+        Vec3 {
+            x: 0.0,
+            y: 1.0,
+            z: 0.0,
+        },
+        45.0,
+    );
+    SetCamera(camera);
+
+    let mut cube_geo = Geo_CreateCuboid(f32x3 {
+        x: 2.0,
+        y: 2.0,
+        z: 2.0,
+    });
+    let mut crate_mesh = Mesh_Create(addr_of_mut!(cube_geo), false);
+    let albedo_map = TextureLoadFromFile(
+        CString::new("assets/demo/crate/Wood_Crate_001_basecolor.jpg")
+            .unwrap()
+            .as_ptr() as *const i8,
+    );
+    let roughness_map = TextureLoadFromFile(
+        CString::new("assets/demo/crate/Wood_Crate_001_roughness.jpg")
+            .unwrap()
+            .as_ptr() as *const i8,
+    );
+    let normal_map = TextureLoadFromFile(
+        CString::new("assets/demo/crate/Wood_Crate_001_normal.jpg")
+            .unwrap()
+            .as_ptr() as *const i8,
+    );
+    let ao_map = TextureLoadFromFile(
+        CString::new("assets/demo/crate/Wood_Crate_001_ambientOcclusion.jpg")
+            .unwrap()
+            .as_ptr() as *const i8,
+    );
+    let name: [i8; 64] = [0; 64];
+    let mut crate_mat = Material {
+        name: name,
+        kind: 0,
+        param_albedo: Vec3 {
+            x: 0.0,
+            y: 0.0,
+            z: 0.0,
+        },
+        param_metallic: 0.0,
+        param_roughness: 0.0,
+        param_ao: 0.0,
+        pbr_albedo_map: albedo_map,
+        pbr_normal_map: normal_map,
+        metal_roughness_combined: true,
+        pbr_metallic_map: TextureHandle { raw: 99999 },
+        pbr_roughness_map: roughness_map,
+        pbr_ao_map: ao_map,
+    };
+    let crate_renderent = RenderEnt {
+        mesh: addr_of_mut!(crate_mesh),
+        material: addr_of_mut!(crate_mat),
+        affine: mat4_ident(),
+        casts_shadows: true,
+    };
+    let mut render_entities: [RenderEnt; 1] = [crate_renderent];
+
+    // main loop
+    while !ShouldExit() {
+        Frame_Begin();
+
+        Render_RenderEntities(render_entities.as_mut_ptr(), render_entities.len());
+
+        Frame_End();
+    }
+}
+
+fn main() {
+    println!("Running from Rust!");
+
+    unsafe {
+        run_game();
+    }
+}