eventing will be slightly harder

src/canvas/compu_frame.rs

@@ -58,7 +58,6 @@ impl CompuFrame {
                                buffer: Arc<CompuBufferHandle>,
                                kernel: Arc<CompuKernelHandle>,
                                images: &Images,
-                               geom: Geometry,
     ) {
         self.swapped_to_image.push((buffer, images.images.get(0).unwrap().clone(), kernel))
 

src/compu_system.rs

@@ -24,7 +24,6 @@ pub struct CompuSystem;
 impl<'a> System<'a> for CompuSystem {
     type SystemData = (
         WriteStorage<'a, Compu>,
-        WriteStorage<'a, Geometry>,
         WriteStorage<'a, Images>,
         Write<'a, PersistentState>,     // delta_time, window size, etc.
         Write<'a, VkProcessor>,         // Renderer
@@ -32,7 +31,6 @@ impl<'a> System<'a> for CompuSystem {
 
     fn run(&mut self, (
         mut compu_list,
-        mut geom_list,
         mut image_list,
         mut state,
         mut vk_processor
@@ -42,12 +40,11 @@ impl<'a> System<'a> for CompuSystem {
         // compu_frame.add_with_image_swap(compute_buffer.clone(), compute_kernel.clone(), &compu_sprite1);
         // compu_frame.add(compute_buffer.clone(), compute_kernel.clone());
 
-        for (compute_item, geom, image) in (&mut compu_list, &mut geom_list, &mut image_list).join() {
+        for (compute_item, image) in (&mut compu_list, &mut image_list).join() {
             state.compu_frame.add_with_image_swap(
                 compute_item.buffers.get(0).unwrap().clone(),
                 compute_item.kernels.get(0).unwrap().clone(),
                 image,
-                geom.clone(),
             );
         }
 

src/main.rs

@@ -39,7 +39,7 @@ use crate::drawables::rect::Rect;
 use crate::drawables::slider::Slider;
 use crate::drawables::sprite::Sprite;
 use crate::drawables::text::Text;
-use crate::render_system::{Geometry, Images, Position, Render, RenderSystem, Textures};
+use crate::render_system::{Geometry, Images, Position, RenderSystem, Textures};
 use crate::util::load_raw;
 use crate::util::timer::Timer;
 use crate::util::tr_event::{TrEvent, TrEventExtension};
@@ -54,6 +54,14 @@ pub mod canvas;
 pub mod render_system;
 pub mod compu_system;
 
+#[derive(Debug, Clone)]
+pub struct Evented {
+    subscribed: fn(event: TrEvent<TrEventExtension>),
+}
+
+impl Component for Evented {
+    type Storage = VecStorage<Self>;
+}
 
 #[derive(Default)]
 pub struct PersistentState {
@@ -68,16 +76,20 @@ struct EventSystem;
 
 impl<'a> System<'a> for EventSystem {
     type SystemData = (
+        Entities<'a>,
+        WriteStorage<'a, Evented>,
         Write<'a, PersistentState>,
         Write<'a, VkProcessor>,
         Write<'a, Vec<TrEvent<TrEventExtension>>>
     );
 
-    fn run(&mut self, (mut state, mut vk_processor, event_stack): Self::SystemData) {
+    fn run(&mut self, (entity, mut evented_list, mut state, mut vk_processor, event_stack): Self::SystemData) {
+
+        for (entity, evented) in (&*entity, &mut evented_list).join() {
             
         }
     }
-
+}
 
 pub fn main() {
     //hprof::start_frame();
@@ -140,7 +152,6 @@ pub fn main() {
         processor.get_texture_handle(String::from("sfml.png")).unwrap();
 
     let mut world = World::new();
-    world.register::<Render>();
     world.register::<Compu>();
     world.register::<Position>();
     world.register::<Geometry>();
@@ -156,25 +167,21 @@ pub fn main() {
         compu_frame: CompuFrame::new((0, 0)),
     });
 
+    // and the thing that renders it
     world.create_entity()
         .with(Compu { kernels: vec![compute_kernel], buffers: vec![compute_buffer] })// just a drawable
-        .with(Geometry { size_x: 300.0, size_y: 300.0, rotation: 0.0 })
-        .with(Images { images: vec![compu_image.clone()], image_resolutions: vec![image_dimensions_u] })
+        .with(Position { x: 900.0, y: 900.0, z: 0 })
+        .with(Geometry { size_x: 600.0, size_y: 600.0, rotation: 0.0 })
+        .with(Images { images: vec![compu_image], image_resolutions: vec![image_dimensions_u] })
         .build();
 
-    world.create_entity()
-        .with(Render { vertices: vec![] })// just a drawable
+    world.create_entity()// just a drawable
         .with(Position { x: 0.0, y: 0.0, z: 0 })
         .with(Geometry { size_x: 300.0, size_y: 300.0, rotation: 0.0 })
         .with(Textures { textures: vec![funky_handle] })
         .build();
 
-    world.create_entity()
-        .with(Render { vertices: vec![] })
-        .with(Position { x: 900.0, y: 900.0, z: 0 })
-        .with(Geometry { size_x: 600.0, size_y: 600.0, rotation: 0.0 })
-        .with(Images { images: vec![compu_image], image_resolutions: vec![image_dimensions_u] })
-        .build();
+
 
     // call the run method for the following systems & deps
     let mut dispatcher = DispatcherBuilder::new()

src/render_system.rs

@@ -31,15 +31,6 @@ impl Component for Geometry {
     type Storage = VecStorage<Self>;
 }
 
-#[derive(Debug, Clone)]
-pub struct Render {
-    pub vertices: Vec<VertexTypeContainer>,
-}
-
-impl Component for Render {
-    type Storage = VecStorage<Self>;
-}
-
 #[derive(Debug, Clone)]
 pub struct Textures {
     pub textures: Vec<Arc<CanvasTextureHandle>>,
@@ -63,7 +54,6 @@ pub struct RenderSystem;
 
 impl<'a> System<'a> for RenderSystem {
     type SystemData = (
-        WriteStorage<'a, Render>,
         WriteStorage<'a, Position>,
         WriteStorage<'a, Geometry>,
         WriteStorage<'a, Textures>,
@@ -73,7 +63,6 @@ impl<'a> System<'a> for RenderSystem {
     );
 
     fn run(&mut self, (
-        mut vertices_list,
         mut pos_list,
         mut geom_list,
         mut textures_list,
@@ -86,7 +75,7 @@ impl<'a> System<'a> for RenderSystem {
         // compu_frame.add_with_image_swap(compute_buffer.clone(), compute_kernel.clone(), &compu_sprite1);
         // compu_frame.add(compute_buffer.clone(), compute_kernel.clone());
 
-        for (vertices, position, geometry, textures) in (&mut vertices_list, &mut pos_list, &mut geom_list, &mut textures_list).join() {
+        for (position, geometry, textures) in (&mut pos_list, &mut geom_list, &mut textures_list).join() {
             // geom.pos_x += mv.vel_x * state.delta_time;
             // geom.pos_y += mv.vel_y * state.delta_time;
 
@@ -105,7 +94,7 @@ impl<'a> System<'a> for RenderSystem {
             state.canvas_frame.add(textured_vertices);
         }
 
-        for (vertices, position, geometry, images) in (&mut vertices_list, &mut pos_list, &mut geom_list, &mut images_list).join() {
+        for (position, geometry, images) in (&mut pos_list, &mut geom_list, &mut images_list).join() {
             // geom.pos_x += mv.vel_x * state.delta_time;
             // geom.pos_y += mv.vel_y * state.delta_time;