Added basic fps indicator

crates/render/src/gpustate.rs

@@ -214,20 +214,7 @@ impl GPUState {
 		let mut starfield = Starfield::new();
 		starfield.regenerate(&ct);
 
-		return Ok(Self {
-			ui: UiManager::new(ct),
-			device,
-			config,
-			surface,
-			starfield,
-			texture_array,
-			object_pipeline,
-			starfield_pipeline,
-			ui_pipeline,
-			radialbar_pipeline,
-			scene: RenderScenes::Landed,
-
-			state: RenderState {
+		let mut state = RenderState {
 			queue,
 			window,
 			window_size,
@@ -238,7 +225,21 @@ impl GPUState {
 			text_cache,
 			text_font_system,
 			text_renderer,
-			},
+		};
+
+		return Ok(Self {
+			ui: UiManager::new(ct, &mut state),
+			device,
+			config,
+			surface,
+			starfield,
+			texture_array,
+			object_pipeline,
+			starfield_pipeline,
+			ui_pipeline,
+			radialbar_pipeline,
+			scene: RenderScenes::Landed,
+			state,
 		});
 	}
 }

crates/render/src/ui/manager.rs

@@ -3,11 +3,13 @@ use galactica_content::Content;
 use glyphon::TextArea;
 use log::{debug, error, trace};
 use rhai::{Array, Dynamic, Engine, Scope, AST};
-use std::{cell::RefCell, collections::HashSet, fmt::Debug, rc::Rc};
+use std::{collections::HashSet, rc::Rc};
 
 use super::{
 	api::{self, SceneAction, SpriteElement, TextBoxBuilder},
-	util::{RadialBar, TextBox},
+	mouseevent::MouseEvent,
+	util::{FpsIndicator, RadialBar, TextBox},
+	UiElement, UiScene,
 };
 use crate::{
 	ui::{
@@ -17,99 +19,19 @@ use crate::{
 	RenderInput, RenderState,
 };
 
-#[derive(Debug, Copy, Clone)]
-pub enum MouseEvent {
-	Click,
-	Release,
-	Enter,
-	Leave,
-	None,
-}
-
-impl MouseEvent {
-	pub fn is_enter(&self) -> bool {
-		match self {
-			Self::Enter => true,
-			_ => false,
-		}
-	}
-
-	pub fn is_click(&self) -> bool {
-		match self {
-			Self::Click => true,
-			_ => false,
-		}
-	}
-}
-
-#[derive(Debug, Copy, Clone)]
-pub(crate) enum UiScene {
-	Landed,
-	Flying,
-	Outfitter,
-}
-
-impl ToString for UiScene {
-	fn to_string(&self) -> String {
-		match self {
-			Self::Flying => "flying".to_string(),
-			Self::Landed => "landed".to_string(),
-			Self::Outfitter => "outfitter".to_string(),
-		}
-	}
-}
-
-enum UiElement {
-	Sprite(Rc<RefCell<Sprite>>),
-	RadialBar(Rc<RefCell<RadialBar>>),
-	Text(TextBox),
-}
-
-impl UiElement {
-	pub fn new_sprite(sprite: Sprite) -> Self {
-		Self::Sprite(Rc::new(RefCell::new(sprite)))
-	}
-
-	pub fn new_radialbar(bar: RadialBar) -> Self {
-		Self::RadialBar(Rc::new(RefCell::new(bar)))
-	}
-
-	pub fn new_text(text: TextBox) -> Self {
-		Self::Text(text)
-	}
-
-	pub fn sprite(&self) -> Option<Rc<RefCell<Sprite>>> {
-		match self {
-			Self::Sprite(s) => Some(s.clone()),
-			_ => None,
-		}
-	}
-
-	pub fn text(&self) -> Option<&TextBox> {
-		match self {
-			Self::Text(t) => Some(t),
-			_ => None,
-		}
-	}
-
-	pub fn radialbar(&self) -> Option<Rc<RefCell<RadialBar>>> {
-		match self {
-			Self::RadialBar(r) => Some(r.clone()),
-			_ => None,
-		}
-	}
-}
-
 pub(crate) struct UiManager {
 	current_scene: UiScene,
 	engine: Engine,
 	scope: Scope<'static>,
 	elements: Vec<UiElement>,
 	ct: Rc<Content>,
+
+	show_timings: bool,
+	fps_indicator: FpsIndicator,
 }
 
 impl UiManager {
-	pub fn new(ct: Rc<Content>) -> Self {
+	pub fn new(ct: Rc<Content>, state: &mut RenderState) -> Self {
 		let scope = Scope::new();
 
 		let mut engine = Engine::new();
@@ -121,6 +43,8 @@ impl UiManager {
 			engine,
 			scope,
 			elements: Vec::new(),
+			show_timings: true,
+			fps_indicator: FpsIndicator::new(state),
 		}
 	}
 
@@ -227,6 +151,10 @@ impl UiManager {
 	pub fn draw(&mut self, input: &RenderInput, state: &mut RenderState) -> Result<()> {
 		let mut iter = self.elements.iter();
 
+		if self.show_timings {
+			self.fps_indicator.step(input, state);
+		}
+
 		let action: SceneAction = loop {
 			let e = match iter.next() {
 				Some(e) => e,
@@ -298,12 +226,22 @@ impl<'a> UiManager {
 		input: &RenderInput,
 		state: &RenderState,
 	) -> Vec<TextArea<'a>> {
-		self.elements
+		let mut v = Vec::with_capacity(32);
+		if self.show_timings {
+			v.push(self.fps_indicator.get_textarea(state, input))
+		}
+
+		for t in self
+			.elements
 			.iter()
 			.map(|x| x.text())
 			.filter(|x| x.is_some())
 			.map(|x| x.unwrap())
 			.map(|x| x.get_textarea(state, input))
-			.collect()
+		{
+			v.push(t)
+		}
+
+		v
 	}
 }

crates/render/src/ui/mod.rs

@@ -1,6 +1,10 @@
 mod api;
 mod manager;
+mod mouseevent;
+mod uielement;
+mod uiscene;
 mod util;
 
 pub(crate) use manager::UiManager;
-pub(crate) use manager::UiScene;
+pub(crate) use uielement::UiElement;
+pub(crate) use uiscene::UiScene;

crates/render/src/ui/mouseevent.rs

@@ -0,0 +1,24 @@
+#[derive(Debug, Copy, Clone)]
+pub enum MouseEvent {
+	Click,
+	Release,
+	Enter,
+	Leave,
+	None,
+}
+
+impl MouseEvent {
+	pub fn is_enter(&self) -> bool {
+		match self {
+			Self::Enter => true,
+			_ => false,
+		}
+	}
+
+	pub fn is_click(&self) -> bool {
+		match self {
+			Self::Click => true,
+			_ => false,
+		}
+	}
+}

crates/render/src/ui/uielement.rs

@@ -0,0 +1,44 @@
+use std::{cell::RefCell, rc::Rc};
+
+use super::util::{RadialBar, Sprite, TextBox};
+
+pub enum UiElement {
+	Sprite(Rc<RefCell<Sprite>>),
+	RadialBar(Rc<RefCell<RadialBar>>),
+	Text(TextBox),
+}
+
+impl UiElement {
+	pub fn new_sprite(sprite: Sprite) -> Self {
+		Self::Sprite(Rc::new(RefCell::new(sprite)))
+	}
+
+	pub fn new_radialbar(bar: RadialBar) -> Self {
+		Self::RadialBar(Rc::new(RefCell::new(bar)))
+	}
+
+	pub fn new_text(text: TextBox) -> Self {
+		Self::Text(text)
+	}
+
+	pub fn sprite(&self) -> Option<Rc<RefCell<Sprite>>> {
+		match self {
+			Self::Sprite(s) => Some(s.clone()),
+			_ => None,
+		}
+	}
+
+	pub fn text(&self) -> Option<&TextBox> {
+		match self {
+			Self::Text(t) => Some(t),
+			_ => None,
+		}
+	}
+
+	pub fn radialbar(&self) -> Option<Rc<RefCell<RadialBar>>> {
+		match self {
+			Self::RadialBar(r) => Some(r.clone()),
+			_ => None,
+		}
+	}
+}

crates/render/src/ui/uiscene.rs

@@ -0,0 +1,16 @@
+#[derive(Debug, Copy, Clone)]
+pub(crate) enum UiScene {
+	Landed,
+	Flying,
+	Outfitter,
+}
+
+impl ToString for UiScene {
+	fn to_string(&self) -> String {
+		match self {
+			Self::Flying => "flying".to_string(),
+			Self::Landed => "landed".to_string(),
+			Self::Outfitter => "outfitter".to_string(),
+		}
+	}
+}

crates/render/src/ui/util/fpsindicator.rs

@@ -0,0 +1,60 @@
+use glyphon::{Attrs, Buffer, Color, Family, Metrics, Shaping, TextArea, TextBounds};
+
+use crate::{RenderInput, RenderState};
+
+pub(crate) struct FpsIndicator {
+	buffer: Buffer,
+	update_counter: u32,
+}
+
+impl FpsIndicator {
+	pub fn new(state: &mut RenderState) -> Self {
+		let mut buffer = Buffer::new(&mut state.text_font_system, Metrics::new(7.0, 8.0));
+		buffer.set_size(
+			&mut state.text_font_system,
+			state.window_size.width as f32,
+			state.window_size.height as f32,
+		);
+
+		Self {
+			buffer,
+			update_counter: 0,
+		}
+	}
+}
+
+impl FpsIndicator {
+	pub fn step(&mut self, input: &RenderInput, state: &mut RenderState) {
+		if self.update_counter > 0 {
+			self.update_counter -= 1;
+			return;
+		}
+		self.update_counter = 100;
+
+		self.buffer.set_text(
+			&mut state.text_font_system,
+			&input.timing.get_string(),
+			Attrs::new().family(Family::Monospace),
+			Shaping::Basic,
+		);
+		self.buffer.shape_until_scroll(&mut state.text_font_system);
+	}
+}
+
+impl<'a, 'b: 'a> FpsIndicator {
+	pub fn get_textarea(&'b self, _state: &RenderState, input: &RenderInput) -> TextArea<'a> {
+		TextArea {
+			buffer: &self.buffer,
+			left: 10.0,
+			top: 400.0,
+			scale: input.ct.get_config().ui_scale,
+			bounds: TextBounds {
+				left: 10,
+				top: 400,
+				right: 300,
+				bottom: 800,
+			},
+			default_color: Color::rgb(255, 255, 255),
+		}
+	}
+}

crates/render/src/ui/util/mod.rs

@@ -1,7 +1,9 @@
+mod fpsindicator;
 mod radialbar;
 mod sprite;
 mod textbox;
 
-pub use radialbar::*;
-pub use sprite::*;
-pub use textbox::*;
+pub(super) use fpsindicator::*;
+pub(super) use radialbar::*;
+pub(super) use sprite::*;
+pub(super) use textbox::*;

crates/render/src/ui/util/sprite.rs

@@ -2,7 +2,9 @@ use galactica_content::{Content, SpriteAutomaton, SpriteHandle};
 use galactica_util::to_radians;
 
 use super::super::api::Rect;
-use crate::{ui::manager::MouseEvent, vertexbuffer::types::UiInstance, RenderInput, RenderState};
+use crate::{
+	ui::mouseevent::MouseEvent, vertexbuffer::types::UiInstance, RenderInput, RenderState,
+};
 
 #[derive(Debug, Clone)]
 pub struct Sprite {