this is jank, but a good start

conf/entity_spawns.toml

@@ -8,3 +8,12 @@ name = "ball.1"
 type = "PhysicsEntity"
 mesh = "ball.obj"
 
+[[entities]]
+name = "camera.1"
+type = "Camera"
+
+
+[[entities]]
+name = "light.1"
+type = "Light"
+mesh = "light.obj"

src/main.rs

@@ -184,7 +184,6 @@ fn main() {
 
         // The renderer
         let mut renderer = render::state::RenderState::init(&window, &mut imgui_context);
-        entity_loading(&mut world, &mut renderer);
 
         resources.insert(renderer);
         resources.insert(Arc::new(Mutex::new(imgui_context)));
@@ -360,55 +359,3 @@ pub fn setup_gamepad(event_loop: &EventLoop<OwnedEventExtension>) {
     });
 }
 
-
-
-pub fn entity_loading(world: &mut World, renderer: &mut render::state::RenderState) {
-    let monkey_mesh =
-        renderer.load_mesh_to_buffer("./resources/monkey.obj", Some(wgpu::Color::GREEN)).unwrap();
-    let light_mesh =
-        renderer.load_mesh_to_buffer("./resources/light.obj", Some(wgpu::Color::BLACK)).unwrap();
-    let ball_mesh =
-        renderer.load_mesh_to_buffer("./resources/ball.obj", Some(wgpu::Color::BLUE)).unwrap();
-
-    //load_colliding_mesh_entity(world, renderer, "./resources/test-textured.obj");
-
-    let camera_ent: Entity = world.push((
-        Camera {
-            position: Point3 {
-                x: 0.0,
-                y: 0.0,
-                z: 10.0,
-            },
-            yaw: Rad(-PI),
-            pitch: Rad(PI / 2.0),
-        },
-        CameraController::new(3.0, 1.0),
-    ));
-
-    let light_entity: Entity = world.push((
-        Position {
-            x: 0.0,
-            y: 0.0,
-            z: 0.0,
-            rot: Euler {
-                x: Deg(0.0),
-                y: Deg(-25.0),
-                z: Deg(0.0),
-            },
-        },
-        light_mesh.clone(),
-        renderer.create_light(),
-    ));
-
-    let light_entity: Entity = world.push((
-        cgmath::Point3 {
-            x: -5.0 as f32,
-            y: 7.0 as f32,
-            z: 10.0 as f32,
-        },
-        light_mesh,
-        renderer.create_light(),
-    ));
-
-
-}

src/runtime/state.rs

@@ -4,7 +4,7 @@ use std::path::PathBuf;
 use std::time::Instant;
 
 use cgmath::{Euler, Quaternion};
-use config::Config;
+use config::{Config, Value};
 use config::File;
 use legion::world::SubWorld;
 use legion::IntoQuery;
@@ -21,7 +21,8 @@ use crate::geometry::{load_obj, RawMesh};
 pub struct EntityMeta {
     pub name: String,
     pub ent_type: String,
-    pub mesh: String,
+    pub mesh: Option<String>,
+    pub position: Option<Position>
 }
 
 pub struct RuntimeState {
@@ -51,10 +52,22 @@ impl RuntimeState {
         let mut out = Vec::new();
         for entity in self.config_db.get_array("entities").unwrap() {
             let table = entity.into_table().unwrap();
+
+            let mesh = match table.get("mesh") {
+                None => { None }
+                Some(v) => { Some(v.kind.to_string())}
+            };
+
+            // let position = match table.get("position") {
+            //     None => { None }
+            //     Some(v) => { Some(v.kind.to_string())}
+            // };
+
             out.push(EntityMeta {
                 name: table.get("name").unwrap().kind.to_string(),
                 ent_type: table.get("type").unwrap().kind.to_string(),
-                mesh: table.get("mesh").unwrap().kind.to_string(),
+                mesh: mesh,
+                position: None
             });
         }
         out

src/runtime/system.rs

@@ -1,7 +1,7 @@
 use std::path::PathBuf;
 use std::time::Instant;
 
-use cgmath::{Euler, Quaternion, Deg};
+use cgmath::{Euler, Quaternion, Deg, Rad, Point3};
 use imgui::FontSource;
 use legion::*;
 use legion::IntoQuery;
@@ -19,6 +19,7 @@ use crate::geometry::RawMesh;
 use crate::physics::state::PhysicsState;
 use crate::render::state::RenderState;
 use crate::runtime::state::RuntimeState;
+use std::f32::consts::PI;
 
 #[system]
 #[write_component(Mesh)]
@@ -40,10 +41,67 @@ pub fn runtime_spawn(
 
     for entity in runtime_state.get_configured_entities(){
         match entity.ent_type.as_ref() {
-            "Terrain" => {
+            "PhysicsEntity" => {
-                let raw_mesh = match runtime_state.get_mesh(entity.mesh.as_str()) {
+                let mesh_name = entity.mesh.unwrap();
+                let raw_mesh = match runtime_state.get_mesh(mesh_name.as_str()) {
                     None => {
-                        log::warn!("Skipping entity with invalid mesh file {:?} ", entity.mesh);
+                        log::warn!("Skipping entity with invalid mesh file {:?} ", mesh_name);
+                        continue;
+                    }
+                    Some(mesh) => mesh
+                };
+
+                let mut dynamic_body = RigidBodyBuilder::new_dynamic()
+                    .can_sleep(false)
+                    .mass(1.0)
+                    .translation(0.0, 0.0, 0.0)
+                    .build();
+
+                let collider = ColliderBuilder::trimesh(
+                    raw_mesh.vertices
+                        .iter()
+                        .map(|v| v.position())
+                        .collect(),
+                    raw_mesh.indices.clone(),
+                ).build();
+
+                let gpu_mesh_buffer = renderer.upload_mesh_to_buffer(
+                    raw_mesh,
+                    Some(wgpu::Color {
+                        r: 1.0,
+                        g: 0.7,
+                        b: 0.3,
+                        a: 1.0,
+                    })
+                ).unwrap();
+
+                let entity: Entity = cmd.push((
+                    Position {
+                        x: 0.0,
+                        y: 20.0,
+                        z: 0.0,
+                        rot: Euler {
+                            x: Deg(25.0),
+                            y: Deg(45.0),
+                            z: Deg(15.0),
+                        },
+                    },
+                    gpu_mesh_buffer,
+                    Physics {
+                        rigid_body: dynamic_body,
+                        rigid_body_handle: None,
+                    },
+                    Collider {
+                        collider: collider,
+                        collider_handle: None,
+                    },
+                ));
+            },
+            "Terrain" => {
+                let mesh_name = entity.mesh.unwrap();
+                let raw_mesh = match runtime_state.get_mesh(mesh_name.as_str()) {
+                    None => {
+                        log::warn!("Skipping entity with invalid mesh file {:?} ", mesh_name);
                         continue;
                     }
                     Some(mesh) => mesh
@@ -94,30 +152,31 @@ pub fn runtime_spawn(
                     },
                 ));
             },
-            "PhysicsEntity" => {
+            "Camera" => {
 
-                let raw_mesh = match runtime_state.get_mesh(entity.mesh.as_str()) {
+                let entity: Entity = cmd.push((
+                    Camera {
+                        position: cgmath::Point3 {
+                            x: 0.0,
+                            y: 0.0,
+                            z: 10.0,
+                        },
+                        yaw: Rad(-PI),
+                        pitch: Rad(PI / 2.0),
+                    },
+                    CameraController::new(3.0, 1.0),
+                ));
+            },
+            "Light" => {
+                let mesh_name = entity.mesh.unwrap();
+                let raw_mesh = match runtime_state.get_mesh(mesh_name.as_str()) {
                     None => {
-                        log::warn!("Skipping entity with invalid mesh file {:?} ", entity.mesh);
+                        log::warn!("Skipping entity with invalid mesh file {:?} ", mesh_name);
                         continue;
                     }
                     Some(mesh) => mesh
                 };
 
-                let mut dynamic_body = RigidBodyBuilder::new_dynamic()
-                    .can_sleep(false)
-                    .mass(1.0)
-                    .translation(0.0, 35.0, 0.0)
-                    .build();
-
-                let collider = ColliderBuilder::trimesh(
-                    raw_mesh.vertices
-                        .iter()
-                        .map(|v| v.position())
-                        .collect(),
-                    raw_mesh.indices.clone(),
-                ).build();
-
                 let gpu_mesh_buffer = renderer.upload_mesh_to_buffer(
                     raw_mesh,
                     Some(wgpu::Color {
@@ -128,28 +187,23 @@ pub fn runtime_spawn(
                     })
                 ).unwrap();
 
-                let entity: Entity = cmd.push((
+                let light_entity: Entity = cmd.push((
                     Position {
                         x: 0.0,
-                        y: 20.0,
+                        y: 0.0,
                         z: 0.0,
                         rot: Euler {
-                            x: Deg(25.0),
+                            x: Deg(0.0),
-                            y: Deg(45.0),
+                            y: Deg(-25.0),
-                            z: Deg(15.0),
+                            z: Deg(0.0),
                         },
                     },
                     gpu_mesh_buffer,
-                    Physics {
+                    renderer.create_light(),
-                        rigid_body: dynamic_body,
-                        rigid_body_handle: None,
-                    },
-                    Collider {
-                        collider: collider,
-                        collider_handle: None,
-                    },
                 ));
             }
+
+
             _ => {},
         }