I optimized for rendering, and made a horrific writing API, smh

src/components.rs

@@ -14,7 +14,7 @@ use imgui::Ui;
 
 pub struct ImguiWindow<'a, T> {
     pub window: fn() -> imgui::Window<'a>,
-    pub func: fn(&Ui, &T),
+    pub func: fn(&Ui, Vec<&T>),
 }
 
 #[derive(Clone, Copy, Debug, PartialEq)]

src/main.rs

@@ -61,6 +61,7 @@ use crate::owned_event::{OwnedEvent, OwnedEventExtension};
 use crate::physics::state::PhysicsState;
 use crate::render::system::ImguiPerformanceProfilerLine;
 use crate::runtime::state::RuntimeState;
+use winit_24::dpi::PhysicalSize;
 
 mod camera;
 mod components;
@@ -134,11 +135,12 @@ fn main() {
     let mut load_schedule = Schedule::builder()
         .add_system(runtime::system::runtime_load_system())
         .add_system(runtime::system::runtime_spawn_system())
+        .flush()
         .build();
 
     let mut render_schedule = Schedule::builder()
         .add_system(render::system::render_imgui_system())
-        .add_system(render::system::render_test_system())
+        .add_system(render::system::render_test_system(ImguiPerformanceProfilerLine::new("Render system".to_string())))
         .build();
 
     let mut update_schedule = Schedule::builder()
@@ -155,6 +157,7 @@ fn main() {
     let event_loop = EventLoop::<OwnedEventExtension>::with_user_event();
     let mut builder = winit_24::window::WindowBuilder::new();
     builder = builder.with_title("MVGE");
+    builder = builder.with_inner_size(PhysicalSize::new(1200,900));
 
     let window = builder.build(&event_loop).unwrap();
 

src/physics/system.rs

@@ -14,6 +14,7 @@ use crate::components::{Collider, LoopState, Mesh, Physics, Position, ImguiWindo
 use imgui::{FontSource, Condition};
 use imgui::*;
 use crate::physics::state::PhysicsState;
+use crate::render::system::ImguiGenericOutputLine;
 
 
 #[system]
@@ -78,12 +79,18 @@ pub fn run_physics(
 #[system]
 #[write_component(Camera)]
 #[write_component(CameraController)]
+#[write_component(ImguiGenericOutputLine)]
 pub fn update_camera(world: &mut SubWorld, #[resource] loop_state: &mut LoopState) {
 
     let mut query = <(&mut Camera, &mut CameraController)>::query();
     for (mut camera, controller) in query.iter_mut(world) {
         controller.update_camera(&mut camera, loop_state.step_size)
     }
+    let mut query = <(&mut Camera, &mut CameraController, &mut ImguiGenericOutputLine)>::query();
+    for (mut camera, controller, ui_entry) in query.iter_mut(world) {
+        ui_entry.label = format!("Camera: {:.2}, {:.2}, {:.2}", camera.position.x, camera.position.y, camera.position.z);
+    }
+
 }
 
 #[system]
@@ -96,6 +103,7 @@ pub fn update_models(
     #[resource] physics_state: &mut PhysicsState,
     #[resource] physics_pipeline: &mut PhysicsPipeline,
 ) {
+
     // Make sure all the entities we care about are added to the system
     let mut query = <(&mut Collider, &mut Physics, &mut Mesh, &mut Position)>::query();
     for (collider, physics, mesh, position) in query.iter_mut(world) {

src/render/system.rs

@@ -55,22 +55,55 @@ pub fn imgui_prepare(
     unsafe { crate::CURRENT_UI = Some(std::mem::transmute(imgui_context.frame())) }
 }
 
+
+fn run_imgui_render_step<G: 'static + Sized + Send + Sync>(world: &mut SubWorld, ui: &Ui) {
+
+    let mut component_query = <(&G)>::query();
+    let mut window_query = <(&ImguiWindow<G>)>::query();
+
+    let mut window_data = None;
+    let mut window_func = None;
+    for (window) in window_query.iter(world) {
+        window_data = Some((window.window)());
+        window_func = Some(window.func);
+    }
+
+    if window_data.is_some() {
+        let mut v = Vec::new();
+        for (component_state) in component_query.iter(world) {
+            v.push(component_state)
+        }
+        window_data.unwrap().build(&ui, || { (window_func.unwrap())(ui, v) });
+    }
+}
 /// Go through each "global" window-data component and render it's data
 #[system]
 #[write_component(ImguiWindow<ImguiPerformanceProfilerLine>)]
 #[write_component(ImguiPerformanceProfilerLine)]
+#[write_component(ImguiWindow<ImguiGenericOutputLine>)]
+#[write_component(ImguiGenericOutputLine)]
 pub fn render_imgui(world: &mut SubWorld, #[resource] loop_state: &mut LoopState) {
 
     let ui = unsafe { crate::current_ui().unwrap() };
 
-    let mut query = <(&ImguiPerformanceProfilerLine, &mut ImguiWindow<ImguiPerformanceProfilerLine>)>::query();
-    for (state, mut window) in query.iter_mut(world) {
-        let new_window = (window.window)();
-        new_window.build(&ui, || { (window.func)(ui, state) });
+    // Pull out the window associated with this type, and render each of the components in the sytem
+    run_imgui_render_step::<ImguiGenericOutputLine>(world, &ui);
+    run_imgui_render_step::<ImguiPerformanceProfilerLine>(world, &ui);
+}
 
-    }
+
+// This would be the shared state for all imgui generic output things
+pub struct ImguiGenericOutputLine {
+    pub label: String,
 }
 
+impl ImguiGenericOutputLine {
+    pub fn new(label: String) -> ImguiGenericOutputLine {
+        ImguiGenericOutputLine {
+            label
+        }
+    }
+}
 
 // This would be the shared state for all imgui performance window things
 pub struct ImguiPerformanceProfilerLine {
@@ -128,6 +161,7 @@ impl ImguiPerformanceProfilerLine {
 #[write_component(DirectionalLight)]
 pub fn render_test(
     world: &mut SubWorld,
+    #[state] performance_profiler_line: &mut ImguiPerformanceProfilerLine,
     #[resource] loop_state: &mut LoopState,
     #[resource] renderer: &mut RenderState,
     #[resource] winit_window: &mut Window,
@@ -135,11 +169,8 @@ pub fn render_test(
     #[resource] imgui_platform: &mut Arc<Mutex<ImguiPlatform>>,
 ) {
 
-    let mut query = <(&mut ImguiPerformanceProfilerLine)>::query();
-    for (mut profiler) in query.iter_mut(world) {
-        let delta_time = loop_state.delta_time.as_secs_f32();
-        profiler.add_sample(delta_time);
-    }
+    let delta_time = loop_state.delta_time.as_secs_f32();
+    performance_profiler_line.add_sample(delta_time);
 
     let mut encoder = renderer
         .device
@@ -147,7 +178,6 @@ pub fn render_test(
 
     push_debug_group_checked("start render function", &mut encoder);
 
-
     let frame = renderer.get_current_frame();
 
     // Update the camera uniform buffers, need to make it support selection of

src/runtime/system.rs

@@ -22,7 +22,7 @@ use crate::components::{Collider, ImguiWindow, LoopState, Mesh, Physics, Positio
 use crate::geometry::RawMesh;
 use crate::physics::state::PhysicsState;
 use crate::render::state::RenderState;
-use crate::render::system::ImguiPerformanceProfilerLine;
+use crate::render::system::{ImguiGenericOutputLine, ImguiPerformanceProfilerLine};
 use crate::runtime::state::RuntimeState;
 
 pub fn quad_color(color: [f32; 4]) -> [[f32; 4]; 4] {
@@ -38,35 +38,38 @@ pub fn runtime_load(
 ) {
     runtime_state.preload_meshes(PathBuf::from("./resources"));
 
-    let entity: Entity = cmd.push((
-        ImguiWindow {
-            // a window that does everything for the performance profiler
-            window: || {
-                imgui::Window::new(im_str!("Performance Profiler"))
-                    .size([400.0, 500.0], Condition::FirstUseEver)
-                    .position([50.0, 50.0], Condition::FirstUseEver)
-            },
-            func: |ui: &Ui, a: &ImguiPerformanceProfilerLine| {
-                ui.text(im_str!("Performance Graph"));
-
-                let draw_list = ui.get_window_draw_list();
-                let top_left = ui.cursor_screen_pos();
-                let region_size = ui.content_region_avail();
-
-                // Fill rect
-                let qcolor = quad_color([0.5, 0.5, 1.0, 0.1]);
-                draw_list.add_rect_filled_multicolor(
-                    top_left,
-                    [top_left[0] + (region_size[0] - region_size[0]/5.0), top_left[1] + region_size[1]],
-                    qcolor[0],
-                    qcolor[1],
-                    qcolor[2],
-                    qcolor[3],
-                );
+    let entity: Entity = cmd.push((ImguiWindow {
+        // a window that does everything for the performance profiler
+        window: || {
+            imgui::Window::new(im_str!("Performance Profiler"))
+                .size([400.0, 200.0], Condition::FirstUseEver)
+                .position([10.0, 10.0], Condition::FirstUseEver)
+        },
+        func: |ui: &Ui, a: Vec<&ImguiPerformanceProfilerLine>| {
+            // ui.text(im_str!("Performance Graph"));
+
+            let draw_list = ui.get_window_draw_list();
+            let top_left = ui.cursor_screen_pos();
+            let region_size = ui.content_region_avail();
 
-                let x_scale = (region_size[0] - region_size[0]/5.0) / 400.0;
-                let y_scale = region_size[1] / a.scale_max;
-                a.iter_data_from_head()
+            let region_size = [region_size[0] * 0.80, region_size[1]];
+
+            // Fill rect
+            let qcolor = quad_color([0.5, 0.5, 1.0, 0.1]);
+            draw_list.add_rect_filled_multicolor(
+                top_left,
+                [top_left[0] + (region_size[0]), top_left[1] + region_size[1]],
+                qcolor[0],
+                qcolor[1],
+                qcolor[2],
+                qcolor[3],
+            );
+
+            for profiler_line in a {
+                let x_scale = (region_size[0]) / 400.0;
+                let y_scale = region_size[1] / profiler_line.scale_max;
+                profiler_line
+                    .iter_data_from_head()
                     .fold((0, 0.0f32), |accum, &fps_val| {
                         let x1 = accum.0 as f32 * x_scale + top_left[0];
                         let y1 = top_left[1] + region_size[1] - accum.1 * y_scale;
@@ -75,19 +78,42 @@ pub fn runtime_load(
                         let p1 = [x1, y1];
                         let p2 = [x2, y2];
                         draw_list
-                            .add_line(p1, p2, [1.0, 1.0, 0.0])
+                            .add_line(p1, p2, [1.0, 1.0, 0.0, 0.8])
                             .thickness(1.0)
                             .build();
                         (accum.0 + 1, fps_val)
                     });
 
-                let text_x = (region_size[0] - region_size[0]/5.0 + 75.0);
-                let text_y = top_left[1] + region_size[1] - a.current_average_label().0 * y_scale;
-                draw_list.add_text([text_x, text_y], [1.0,1.0,0.0,1.0], format!("{} {:.0}",a.current_average_label().1, 1.0/a.current_average_label().0));
-            },
+                let text_x = (region_size[0] + top_left[0]);
+                let text_y = top_left[1] + region_size[1]
+                    - profiler_line.current_average_label().0 * y_scale;
+                draw_list.add_text(
+                    [text_x, text_y],
+                    [1.0, 1.0, 0.0, 1.0],
+                    format!(
+                        "{} {:.0}",
+                        profiler_line.current_average_label().1,
+                        1.0 / profiler_line.current_average_label().0
+                    ),
+                );
+            }
+        },
+    },));
+    let entity: Entity = cmd.push((ImguiPerformanceProfilerLine::new("RenderFPS".to_string()),));
+
+    let entity: Entity = cmd.push((ImguiWindow {
+        // a window that does everything for the performance profiler
+        window: || {
+            imgui::Window::new(im_str!("Generic Output"))
+                .size([400.0, 500.0], Condition::FirstUseEver)
+                .position([50.0, 250.0], Condition::FirstUseEver)
+        },
+        func: |ui: &Ui, a: Vec<&ImguiGenericOutputLine>| {
+            for label in a {
+                ui.text(im_str!("{}", label.label));
+            }
         },
-        ImguiPerformanceProfilerLine::new("RenderFFS".to_string()),
-    ));
+    },));
 }
 
 #[system]
@@ -149,6 +175,7 @@ pub fn runtime_spawn(
                         collider: collider,
                         collider_handle: None,
                     },
+                    ImguiGenericOutputLine::new("wahoo! from a physics entity".to_string()),
                 ));
             }
             "Terrain" => {
@@ -214,6 +241,7 @@ pub fn runtime_spawn(
                         pitch: Rad(PI / 2.0 + 25.0),
                     },
                     CameraController::new(5.0, 1.0),
+                    ImguiGenericOutputLine::new("wahoo! from a camera".to_string()),
                 ));
             }
             "Light" => {