adding texturing, getting sidetracked by config loading

conf/entity_spawns.toml

@@ -10,8 +10,21 @@ mesh = "ball.obj"
 
     [entities.position]
     x = 15.0
-    y = 3.0
+    y = 15.0
-    z = 30.0
+    z = 15.0
+
+        [entities.position.rotation]
+        x = 0.0
+        y = 0.0
+        z = 0.0
+
+    [entities.physics]
+    body_status = "static"
+
+        [entities.physics.cuboid]
+        x = 1.0
+        y = 1.0
+        z = 1.0
 
 [[entities]]
 name = "camera.1"

resources/textured-cube.mtl

@@ -0,0 +1,12 @@
+# Blender MTL File: 'None'
+# Material Count: 1
+
+newmtl Material
+Ns 323.999994
+Ka 1.000000 1.000000 1.000000
+Kd 0.800000 0.800000 0.800000
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.450000
+d 1.000000
+illum 2

resources/textured-cube.obj

@@ -0,0 +1,46 @@
+# Blender v2.91.2 OBJ File: ''
+# www.blender.org
+mtllib textured-cube.mtl
+o Cube
+v 1.000000 1.000000 -1.000000
+v 1.000000 -1.000000 -1.000000
+v 1.000000 1.000000 1.000000
+v 1.000000 -1.000000 1.000000
+v -1.000000 1.000000 -1.000000
+v -1.000000 -1.000000 -1.000000
+v -1.000000 1.000000 1.000000
+v -1.000000 -1.000000 1.000000
+vt 0.875000 0.500000
+vt 0.625000 0.750000
+vt 0.625000 0.500000
+vt 0.375000 1.000000
+vt 0.375000 0.750000
+vt 0.625000 0.000000
+vt 0.375000 0.250000
+vt 0.375000 0.000000
+vt 0.375000 0.500000
+vt 0.125000 0.750000
+vt 0.125000 0.500000
+vt 0.625000 0.250000
+vt 0.875000 0.750000
+vt 0.625000 1.000000
+vn 0.0000 1.0000 0.0000
+vn 0.0000 0.0000 1.0000
+vn -1.0000 0.0000 0.0000
+vn 0.0000 -1.0000 0.0000
+vn 1.0000 0.0000 0.0000
+vn 0.0000 0.0000 -1.0000
+usemtl Material
+s off
+f 5/1/1 3/2/1 1/3/1
+f 3/2/2 8/4/2 4/5/2
+f 7/6/3 6/7/3 8/8/3
+f 2/9/4 8/10/4 6/11/4
+f 1/3/5 4/5/5 2/9/5
+f 5/12/6 2/9/6 6/7/6
+f 5/1/1 7/13/1 3/2/1
+f 3/2/2 7/14/2 8/4/2
+f 7/6/3 5/12/3 6/7/3
+f 2/9/4 4/5/4 8/10/4
+f 1/3/5 3/2/5 4/5/5
+f 5/12/6 1/3/6 2/9/6

src/components.rs

@@ -1,13 +1,15 @@
-use wgpu::{TextureView, Buffer, BindGroup};
 use std::sync::Arc;
+use std::time::{Duration, Instant};
+
+use cgmath::{Deg, Euler};
 use rapier3d::dynamics::{RigidBody, RigidBodyHandle};
-use rapier3d::geometry::ColliderHandle;
 use rapier3d::geometry::Collider as r3dCollider;
-use std::time::{Duration, Instant};
+use rapier3d::geometry::ColliderHandle;
-use cgmath::Deg;
+use wgpu::{BindGroup, Buffer, TextureView};
 
-// a component is any type that is 'static, sized, send and sync
+use crate::runtime::state::{TomlPositionDescription, TomlRotationDescription};
 
+// a component is any type that is 'static, sized, send and sync
 
 pub struct ImguiWindow<'a> {
     pub window: imgui::Window<'a>,
@@ -28,6 +30,47 @@ pub struct Position {
     pub rot: cgmath::Euler<Deg<f32>>,
 }
 
+impl From<TomlPositionDescription> for Position {
+    fn from(pos: TomlPositionDescription) -> Self {
+        let euler = match pos.rot {
+            None => Euler {
+                x: Deg(0.0),
+                y: Deg(0.0),
+                z: Deg(0.0),
+            },
+            Some(v) => Euler {
+                x: Deg(v.x),
+                y: Deg(v.y),
+                z: Deg(v.z),
+            },
+        };
+        Position {
+            x: pos.x,
+            y: pos.y,
+            z: pos.z,
+            rot: euler,
+        }
+    }
+}
+
+impl From<Option<TomlPositionDescription>> for Position {
+    fn from(pos: Option<TomlPositionDescription>) -> Self {
+        match pos {
+            None => Position {
+                x: 0.0,
+                y: 0.0,
+                z: 0.0,
+                rot: Euler {
+                    x: Deg(0.0),
+                    y: Deg(0.0),
+                    z: Deg(0.0),
+                },
+            },
+            Some(v) => Position::from(v),
+        }
+    }
+}
+
 #[derive(Clone, Default, PartialEq, Eq, Hash, Copy, Debug)]
 pub struct RangeCopy<Idx> {
     pub start: Idx,
@@ -55,4 +98,4 @@ pub struct Physics {
 pub struct Collider {
     pub collider: r3dCollider,
     pub collider_handle: Option<ColliderHandle>,
-}
+}

src/main.rs

@@ -92,12 +92,22 @@ https://github.com/amethyst/legion
 
 ECS
     animation
+    config / save loading (sorta!)
     render 3d (good!)
     input/io (yep!)
     collision / physics (yep!)
     entities & behaviours (got the entities!)
     scripting!
 
+
+Todo:
+    Load scene imgui interface w/ toml files
+    FPS graph port from voxel raycaster
+    better imgui interface with components & systems
+    Figure out eventing, GameInput, passing all events, etc.
+    + texturing
+
+
  */
 
 //log::info!("");
@@ -112,14 +122,6 @@ fn main() {
 
     let logger = env_logger::builder().filter(Some("minimal_viable_game_engine"), LevelFilter::Info).init();
 
-
-
-
-    // for i in settings.get("entities") {
-    //
-    // }
-
-
     let mut world = World::default();
 
     let mut imgui_prepare_schedule = Schedule::builder()

src/runtime/state.rs

@@ -17,50 +17,71 @@ use crate::components::{Collider, LoopState, Mesh, Physics, Position};
 use crate::geometry::{load_obj, RawMesh};
 use std::io::Read;
 
-pub struct EntityMeta {
+
-    pub name: String,
+
-    pub ent_type: String,
+#[derive(Deserialize, Clone)]
-    pub mesh: Option<String>,
+pub struct TomlBallPhysicsBodyDescription {
-    pub position: Option<Position>
+    pub radius: String
 }
 
-pub struct RuntimeState {
+#[derive(Deserialize, Clone)]
-    config_db: TomlEntityContainer,
+pub struct TomlCuboidPhysicsBodyDescription {
-    mesh_cache: HashMap<String, RawMesh>,
+    pub x: f32,
+    pub y: f32,
+    pub z: f32,
+}
+
+#[derive(Deserialize, Clone)]
+pub struct TomlPhysicsDescription {
+    pub body_status: String,
+    pub ball: Option<TomlBallPhysicsBodyDescription>,
+    pub cuboid: Option<TomlCuboidPhysicsBodyDescription>,
 }
 
-#[derive(Deserialize)]
+#[derive(Deserialize, Clone)]
+pub struct TomlRotationDescription {
+    pub x: f32,
+    pub y: f32,
+    pub z: f32,
+}
+
+#[derive(Deserialize, Clone)]
 pub struct TomlPositionDescription {
     pub x: f32,
     pub y: f32,
     pub z: f32,
+    pub rot: Option<TomlRotationDescription>,
 }
 
-#[derive(Deserialize)]
+#[derive(Deserialize, Clone)]
 pub struct TomlEntityDescription {
     pub name: String,
     #[serde(rename = "type")]
     pub type_name: String,
     pub mesh: Option<String>,
     pub position: Option<TomlPositionDescription>,
+    pub physics: Option<TomlPhysicsDescription>,
 }
 
-#[derive(Deserialize)]
+#[derive(Deserialize, Clone)]
 pub struct TomlEntityContainer {
     pub entities: Vec<TomlEntityDescription>,
 }
 
+pub struct RuntimeState {
+    config_db: TomlEntityContainer,
+    mesh_cache: HashMap<String, RawMesh>,
+}
 
 impl RuntimeState {
     pub fn new() -> RuntimeState {
+        // TODO: Hook this file to the gui
         let mut file = fs::File::open("./conf/entity_spawns.toml").unwrap();
         let mut content = String::new();
         file.read_to_string(&mut content).unwrap();
+
+        // TODO: gracefully fail
         let mut settings : TomlEntityContainer = toml::from_str(content.as_str()).unwrap();
-        // settings
-        //     // File::with_name(..) is shorthand for File::from(Path::new(..))
-        //     .merge(File::with_name("conf/entity_spawns.toml"))
-        //     .unwrap();
 
         RuntimeState {
             config_db: settings,
@@ -72,40 +93,8 @@ impl RuntimeState {
         self.mesh_cache.get(mesh)
     }
 
-    pub fn get_configured_entities(&mut self) -> Vec<EntityMeta> {
+    pub fn get_entities(&mut self) -> Vec<TomlEntityDescription> {
-        let mut out = Vec::new();
+        self.config_db.entities.clone()
-        for entity in &self.config_db.entities {
-
-            let position = match &entity.position {
-                None => { None }
-                Some(pos) => {
-
-                    Some(Position {
-                        x: pos.x,
-                        y: pos.y,
-                        z: pos.z,
-                        rot: Euler {
-                            x: Deg(0.0),
-                            y: Deg(0.0),
-                            z: Deg(0.0)
-                        }
-                    })
-                }
-            };
-
-            // log::info!("{:?}", position);
-            // log::info!("{:?}", entity);
-            // log::info!("{:?}", entity.into_table());
-            // log::info!("{:?}", entity.into_array());
-
-            out.push(EntityMeta {
-                name: entity.name.clone(),
-                ent_type: entity.type_name.clone(),
-                mesh: entity.mesh.clone(),
-                position: position
-            });
-        }
-        out
     }
 
     pub fn preload_meshes(&mut self, resources_path: PathBuf) {

src/runtime/system.rs

@@ -9,7 +9,9 @@ use legion::world::SubWorld;
 use legion::IntoQuery;
 use legion::*;
 use nalgebra::Quaternion as naQuaternion;
-use rapier3d::dynamics::{IntegrationParameters, JointSet, RigidBodyBuilder, RigidBodySet, MassProperties};
+use rapier3d::dynamics::{
+    IntegrationParameters, JointSet, MassProperties, RigidBodyBuilder, RigidBodySet,
+};
 use rapier3d::geometry::{BroadPhase, ColliderBuilder, ColliderSet, NarrowPhase};
 use rapier3d::na::{Isometry3, Vector, Vector3};
 use rapier3d::pipeline::{ChannelEventCollector, PhysicsPipeline};
@@ -35,10 +37,10 @@ pub fn runtime_spawn(
     #[resource] runtime_state: &mut RuntimeState,
     #[resource] renderer: &mut RenderState,
 ) {
-    for entity in runtime_state.get_configured_entities() {
+    for entity in &runtime_state.get_entities() {
-        match entity.ent_type.as_ref() {
+        match entity.type_name.as_ref() {
             "PhysicsEntity" => {
-                let mesh_name = entity.mesh.unwrap();
+                let mesh_name = entity.mesh.as_ref().unwrap();
                 let raw_mesh = match runtime_state.get_mesh(mesh_name.as_str()) {
                     None => {
                         log::warn!("Skipping entity with invalid mesh file {:?} ", mesh_name);
@@ -47,14 +49,13 @@ pub fn runtime_spawn(
                     Some(mesh) => mesh,
                 };
 
+                let collider = ColliderBuilder::trimesh(
+                    raw_mesh.vertices.iter().map(|v| v.position()).collect(),
+                    raw_mesh.indices.clone(),
+                )
+                .build();
 
-                // let collider = ColliderBuilder::trimesh(
+                let collider = ColliderBuilder::capsule_y(2.0, 1.0).build();
-                //     raw_mesh.vertices.iter().map(|v| v.position()).collect(),
-                //     raw_mesh.indices.clone(),
-                // ).density(1.0)
-                // .build();
-
-                let collider = ColliderBuilder::ball(2.0).build();
 
                 let gpu_mesh_buffer = renderer
                     .upload_mesh_to_buffer(
@@ -68,19 +69,7 @@ pub fn runtime_spawn(
                     )
                     .unwrap();
 
-                let position = match entity.position {
+                let position = Position::from(entity.position.clone());
-                    None => Position {
-                        x: 0.0,
-                        y: rand::random::<f32>(),
-                        z: 0.0,
-                        rot: Euler {
-                            x: Deg(0.0),
-                            y: Deg(0.0),
-                            z: Deg(0.0),
-                        },
-                    },
-                    Some(position) => position
-                };
 
                 let mut dynamic_body = RigidBodyBuilder::new_dynamic()
                     .can_sleep(false)
@@ -102,7 +91,7 @@ pub fn runtime_spawn(
                 ));
             }
             "Terrain" => {
-                let mesh_name = entity.mesh.unwrap();
+                let mesh_name = entity.mesh.clone().unwrap();
                 let raw_mesh = match runtime_state.get_mesh(mesh_name.as_str()) {
                     None => {
                         log::warn!("Skipping entity with invalid mesh file {:?} ", mesh_name);
@@ -111,8 +100,13 @@ pub fn runtime_spawn(
                     Some(mesh) => mesh,
                 };
 
+                let position = Position::from(entity.position.clone());
+
                 let mut static_body = RigidBodyBuilder::new_static()
-                    .position(Isometry3::new(Vector3::new(0.0, -8.0, 0.0), Vector::y()))
+                    .position(Isometry3::new(
+                        Vector3::new(position.x, position.y, position.z),
+                        Vector::y(),
+                    ))
                     .build();
 
                 let mesh_collider = ColliderBuilder::trimesh(
@@ -133,21 +127,6 @@ pub fn runtime_spawn(
                     )
                     .unwrap();
 
-                let position = match entity.position {
-                    None => Position {
-                        x: 0.0,
-                        y: 0.0,
-                        z: 0.0,
-                        rot: Euler {
-                            x: Deg(0.0),
-                            y: Deg(0.0),
-                            z: Deg(0.0),
-                        },
-                    },
-                    Some(position) => position
-                };
-
-
                 let entity: Entity = cmd.push((
                     position,
                     gpu_mesh_buffer,
@@ -162,21 +141,22 @@ pub fn runtime_spawn(
                 ));
             }
             "Camera" => {
+                let position = Position::from(entity.position.clone());
                 let entity: Entity = cmd.push((
                     Camera {
                         position: cgmath::Point3 {
-                            x: 0.0,
+                            x: position.x,
-                            y: 0.0,
+                            y: position.y,
-                            z: 10.0,
+                            z: position.z,
                         },
                         yaw: Rad(-PI),
                         pitch: Rad(PI / 2.0),
                     },
-                    CameraController::new(3.0, 1.0),
+                    CameraController::new(5.0, 1.0),
                 ));
             }
             "Light" => {
-                let mesh_name = entity.mesh.unwrap();
+                let mesh_name = entity.mesh.clone().unwrap();
                 let raw_mesh = match runtime_state.get_mesh(mesh_name.as_str()) {
                     None => {
                         log::warn!("Skipping entity with invalid mesh file {:?} ", mesh_name);
@@ -185,19 +165,7 @@ pub fn runtime_spawn(
                     Some(mesh) => mesh,
                 };
 
-                let position = match entity.position {
+                let position = Position::from(entity.position.clone());
-                    None => Position {
-                        x: 1.0,
-                        y: 1.0,
-                        z: 1.0,
-                        rot: Euler {
-                            x: Deg(0.0),
-                            y: Deg(0.0),
-                            z: Deg(0.0),
-                        },
-                    },
-                    Some(position) => position
-                };
 
                 let gpu_mesh_buffer = renderer
                     .upload_mesh_to_buffer(
@@ -211,11 +179,8 @@ pub fn runtime_spawn(
                     )
                     .unwrap();
 
-                let light_entity: Entity = cmd.push((
+                let light_entity: Entity =
-                    position,
+                    cmd.push((position, gpu_mesh_buffer, renderer.create_light()));
-                    gpu_mesh_buffer,
-                    renderer.create_light(),
-                ));
             }
 
             _ => {}