From 7b1e14defd233ba72bb5ee697d4945ff5840e68a Mon Sep 17 00:00:00 2001
From: Mark <mark@betalupi.com>
Date: Thu, 11 Jan 2024 20:21:07 -0800
Subject: [PATCH] Minor reorganization

---
 crates/content/src/lib.rs              |   2 +-
 crates/content/src/part/config.rs      |   2 +-
 crates/content/src/part/system.rs      |   4 +-
 crates/galactica/src/game.rs           | 128 ++++++++++---------------
 crates/galactica/src/main.rs           |  62 +++++++++---
 crates/playeragent/src/playeragent.rs  |   4 +-
 crates/playeragent/src/playerstatus.rs |   2 +-
 crates/render/src/datastructs.rs       |   2 +-
 crates/render/src/gpustate/render.rs   |   3 -
 crates/render/src/ui/fpsindicator.rs   |  12 +--
 crates/render/src/ui/radar.rs          |  30 +++---
 crates/render/src/ui/status.rs         |  24 +++--
 crates/systemsim/src/systemsim.rs      |  15 ++-
 crates/util/src/timing.rs              |  47 +++------
 14 files changed, 177 insertions(+), 160 deletions(-)

diff --git a/crates/content/src/lib.rs b/crates/content/src/lib.rs
index 33a5fe8..a1b526e 100644
--- a/crates/content/src/lib.rs
+++ b/crates/content/src/lib.rs
@@ -134,7 +134,7 @@ impl ContentBuildContext {
 }
 
 /// Represents static game content
-#[derive(Debug)]
+#[derive(Debug, Clone)]
 pub struct Content {
 	/// Sprites
 	pub sprites: Vec<Sprite>,
diff --git a/crates/content/src/part/config.rs b/crates/content/src/part/config.rs
index dc035a8..06b4b9d 100644
--- a/crates/content/src/part/config.rs
+++ b/crates/content/src/part/config.rs
@@ -27,7 +27,7 @@ pub(crate) mod syntax {
 			}
 
 			let starfield_density = 0.01;
-			let starfield_size = self.starfield.min_dist * self.zoom_max;
+			let starfield_size = self.starfield.max_dist * self.zoom_max;
 			let starfield_count = (starfield_size * starfield_density) as i32;
 
 			// 12, because that should be enough to tile any screen.
diff --git a/crates/content/src/part/system.rs b/crates/content/src/part/system.rs
index 7cf3c86..d210be8 100644
--- a/crates/content/src/part/system.rs
+++ b/crates/content/src/part/system.rs
@@ -78,7 +78,7 @@ pub(crate) mod syntax {
 // These are exported.
 
 /// Represents a star system
-#[derive(Debug)]
+#[derive(Debug, Clone)]
 pub struct System {
 	/// This star system's name
 	pub name: String,
@@ -91,7 +91,7 @@ pub struct System {
 /// (A star, planet, moon, satellite, etc)
 /// These may be landable and may be decorative.
 /// System objects to not interact with the physics engine.
-#[derive(Debug)]
+#[derive(Debug, Clone)]
 pub struct Object {
 	/// This object's sprite
 	pub sprite: SpriteHandle,
diff --git a/crates/galactica/src/game.rs b/crates/galactica/src/game.rs
index 9f6f154..5637ec0 100644
--- a/crates/galactica/src/game.rs
+++ b/crates/galactica/src/game.rs
@@ -1,8 +1,8 @@
+use cgmath::Point2;
 use galactica_content::{Content, FactionHandle, OutfitHandle, ShipHandle, SystemHandle};
 use galactica_galaxy::{ship::ShipPersonality, Galaxy, GxShipHandle};
-use galactica_playeragent::{PlayerAgent, PlayerStatus};
-use galactica_render::RenderInput;
-use galactica_systemsim::{util, ParticleBuilder, StepResources, SystemSim, Wrapper};
+use galactica_playeragent::PlayerAgent;
+use galactica_systemsim::{ParticleBuilder, StepResources, SystemSim, Wrapper};
 use galactica_util::timing::Timing;
 use std::time::Instant;
 
@@ -10,38 +10,50 @@ use std::time::Instant;
 pub struct GameState {
 	pub gx: Galaxy,
 	pub systemsim: SystemSim,
+	pub timing: Timing,
+	pub start_instant: Instant,
 }
 
+unsafe impl Send for GameState {}
+unsafe impl Sync for GameState {}
+
 pub struct Game {
 	// Core game data
 	ct: Content,
-	state_live: GameState,
-	state_static: GameState,
+	state: GameState,
 
 	// Metadata
 	wrapper: Wrapper, // Physics computer
 	time_scale: f32,
 	last_update: Instant,
-	start_instant: Instant,
 	new_particles: Vec<ParticleBuilder>,
-	timing: Timing,
 }
 
-impl Game {
-	pub fn new(ct: Content) -> (Self, GxShipHandle) {
-		let mut gx = Galaxy::new(&ct);
+unsafe impl<'a> Send for Game {}
 
-		let player = gx.create_ship(
-			&ct,
+impl<'a> Game {
+	pub fn make_player(&mut self) -> GxShipHandle {
+		let player = self.state.gx.create_ship(
+			&self.ct,
 			ShipHandle { index: 0 },
 			FactionHandle { index: 0 },
 			ShipPersonality::Player,
 			&SystemHandle { index: 0 },
 		);
-		let s = gx.get_ship_mut(player).unwrap();
-		s.add_outfit(&ct.get_outfit(OutfitHandle { index: 0 }));
-		s.add_outfit(&ct.get_outfit(OutfitHandle { index: 1 }));
-		s.add_outfit(&ct.get_outfit(OutfitHandle { index: 2 }));
+		let s = self.state.gx.get_ship_mut(player).unwrap();
+		s.add_outfit(&self.ct.get_outfit(OutfitHandle { index: 0 }));
+		s.add_outfit(&self.ct.get_outfit(OutfitHandle { index: 1 }));
+		s.add_outfit(&self.ct.get_outfit(OutfitHandle { index: 2 }));
+
+		self.state
+			.systemsim
+			.add_ship(&self.ct, &s, Point2 { x: 0.0, y: 0.0 });
+
+		return player;
+	}
+
+	pub fn new(ct: Content) -> Self {
+		let mut gx = Galaxy::new(&ct);
 
 		let a = gx.create_ship(
 			&ct,
@@ -69,84 +81,50 @@ impl Game {
 
 		let systemsim = SystemSim::new(&ct, &gx, SystemHandle { index: 0 });
 
-		let state = GameState { gx, systemsim };
+		let state = GameState {
+			gx,
+			systemsim,
+			timing: Timing::new(),
+			start_instant: Instant::now(),
+		};
 
-		(
-			Game {
-				ct,
-				state_live: state.clone(),
-				state_static: state,
+		Game {
+			ct,
+			state,
 
-				wrapper: Wrapper::new(),
-
-				last_update: Instant::now(),
-				start_instant: Instant::now(),
-				time_scale: 1.0,
-				new_particles: Vec::new(),
-				timing: Timing::new(),
-			},
-			player,
-		)
+			wrapper: Wrapper::new(),
+			last_update: Instant::now(),
+			time_scale: 1.0,
+			new_particles: Vec::new(),
+		}
 	}
 
 	pub fn update_player_controls(&mut self, player: &PlayerAgent) {
-		self.state_live.systemsim.update_player_controls(player)
+		self.state.systemsim.update_player_controls(player)
 	}
 
-	pub fn get_player_status(&self, player: &PlayerAgent) -> PlayerStatus {
-		let o = self
-			.state_static
-			.systemsim
-			.get_ship(player.ship.unwrap())
-			.unwrap();
-		let r = self
-			.state_static
-			.systemsim
-			.get_rigid_body(o.rigid_body)
-			.unwrap();
-		let pos = util::rigidbody_position(r);
-
-		PlayerStatus { pos }
+	pub fn get_state(&self) -> &GameState {
+		&self.state
 	}
 
 	pub fn update(&mut self) {
+		self.state.timing.start_frame();
 		let t: f32 = self.last_update.elapsed().as_secs_f32() * self.time_scale;
 
-		self.timing.start_frame();
-		self.timing.start_galaxy();
-		self.state_live.gx.step(t);
-		self.timing.mark_galaxy();
+		self.state.timing.start_galaxy();
+		self.state.gx.step(t);
+		self.state.timing.mark_galaxy();
 
-		self.state_live.systemsim.step(StepResources {
+		self.state.systemsim.step(StepResources {
 			ct: &self.ct,
-			gx: &mut self.state_live.gx,
+			gx: &mut self.state.gx,
 			particles: &mut self.new_particles,
-			timing: &mut self.timing,
+			timing: &mut self.state.timing,
 			wrapper: &mut self.wrapper,
 			t,
 		});
 
 		self.last_update = Instant::now();
-		self.state_static = self.state_live.clone();
-		self.timing.mark_frame();
-	}
-
-	pub fn get_frame_state(&mut self, player: &PlayerAgent) -> RenderInput {
-		RenderInput {
-			camera_pos: player.camera.pos,
-			camera_zoom: player.camera.zoom,
-			current_time: self.start_instant.elapsed().as_secs_f32(),
-			ct: &self.ct,
-			systemsim: &self.state_static.systemsim, // TODO: system should be stored here, not in game
-			particles: &mut self.new_particles,
-			player_data: player.ship.unwrap(),
-			gx: &self.state_static.gx,
-			current_system: SystemHandle { index: 0 },
-			timing: &mut self.timing,
-		}
-	}
-
-	pub fn get_content(&self) -> &Content {
-		&self.ct
+		self.state.timing.mark_frame();
 	}
 }
diff --git a/crates/galactica/src/main.rs b/crates/galactica/src/main.rs
index 342f9c4..f0d974f 100644
--- a/crates/galactica/src/main.rs
+++ b/crates/galactica/src/main.rs
@@ -1,8 +1,10 @@
 mod game;
 
 use anyhow::{bail, Result};
-use galactica_content::Content;
-use galactica_playeragent::PlayerAgent;
+use galactica_content::{Content, SystemHandle};
+use galactica_playeragent::{PlayerAgent, PlayerStatus};
+use galactica_render::RenderInput;
+use galactica_systemsim::util;
 use galactica_util::constants::ASSET_CACHE;
 use std::{
 	fs,
@@ -28,7 +30,7 @@ fn main() -> Result<()> {
 	let content = Content::load_dir(
 		PathBuf::from("./content"),
 		PathBuf::from("./assets"),
-		atlas_index,
+		atlas_index.clone(),
 	)?;
 
 	let event_loop = EventLoop::new();
@@ -36,10 +38,10 @@ fn main() -> Result<()> {
 	let mut gpu = pollster::block_on(galactica_render::GPUState::new(window, &content))?;
 	gpu.init(&content);
 
-	let (mut game, p) = game::Game::new(content);
+	let mut game = game::Game::new(content.clone());
+	let p = game.make_player();
 
 	let mut player = PlayerAgent::new(p);
-
 	player.set_camera_aspect(
 		gpu.window().inner_size().width as f32 / gpu.window().inner_size().height as f32,
 	);
@@ -47,19 +49,54 @@ fn main() -> Result<()> {
 	event_loop.run(move |event, _, control_flow| {
 		match event {
 			Event::RedrawRequested(window_id) if window_id == gpu.window().id() => {
-				match gpu.render(game.get_frame_state(&player)) {
+				let render_input = RenderInput {
+					camera_pos: player.camera.pos,
+					camera_zoom: player.camera.zoom,
+					current_time: game.get_state().start_instant.elapsed().as_secs_f32(),
+					ct: &content,
+					systemsim: &game.get_state().systemsim,
+					particles: &mut Vec::new(),
+					//particles: &mut self.new_particles,
+					player_data: player.ship.unwrap(),
+					gx: &game.get_state().gx,
+					current_system: SystemHandle { index: 0 },
+					timing: game.get_state().timing.clone(),
+				};
+
+				match gpu.render(render_input) {
 					Ok(_) => {}
-					Err(wgpu::SurfaceError::Lost) => gpu.resize(game.get_content()),
+					Err(wgpu::SurfaceError::Lost) => gpu.resize(&content),
 					Err(wgpu::SurfaceError::OutOfMemory) => *control_flow = ControlFlow::Exit,
 					// All other errors (Outdated, Timeout) should be resolved by the next frame
 					Err(e) => eprintln!("{:?}", e),
 				}
-				let status = game.get_player_status(&player);
-				player.step(game.get_content(), status);
 			}
 
 			Event::MainEventsCleared => {
+				game.update_player_controls(&player);
 				game.update();
+
+				let player_status = {
+					let pos = {
+						let o = &game.get_state().systemsim.get_ship(player.ship.unwrap());
+						if let Some(o) = o {
+							let r = &game.get_state().systemsim.get_rigid_body(o.rigid_body);
+							if let Some(r) = r {
+								Some(util::rigidbody_position(r))
+							} else {
+								None
+							}
+						} else {
+							None
+						}
+					};
+
+					PlayerStatus { pos }
+				};
+
+				// This must be updated BEFORE rendering!
+				player.step(&content, player_status);
+
 				gpu.window().request_redraw();
 			}
 
@@ -81,25 +118,22 @@ fn main() -> Result<()> {
 					..
 				} => {
 					player.process_key(state, key);
-					game.update_player_controls(&player);
 				}
 				WindowEvent::MouseInput { state, button, .. } => {
 					player.process_click(state, button);
-					game.update_player_controls(&player);
 				}
 				WindowEvent::MouseWheel { delta, phase, .. } => {
 					player.process_scroll(delta, phase);
-					game.update_player_controls(&player);
 				}
 				WindowEvent::Resized(_) => {
-					gpu.resize(game.get_content());
+					gpu.resize(&content);
 					player.set_camera_aspect(
 						gpu.window().inner_size().width as f32
 							/ gpu.window().inner_size().height as f32,
 					);
 				}
 				WindowEvent::ScaleFactorChanged { .. } => {
-					gpu.resize(game.get_content());
+					gpu.resize(&content);
 					player.set_camera_aspect(
 						gpu.window().inner_size().width as f32
 							/ gpu.window().inner_size().height as f32,
diff --git a/crates/playeragent/src/playeragent.rs b/crates/playeragent/src/playeragent.rs
index 1510f5a..2da8615 100644
--- a/crates/playeragent/src/playeragent.rs
+++ b/crates/playeragent/src/playeragent.rs
@@ -51,6 +51,8 @@ impl PlayerAgent {
 			self.input.v_scroll = 0.0;
 		}
 
-		self.camera.pos = status.pos;
+		if status.pos.is_some() {
+			self.camera.pos = status.pos.unwrap();
+		}
 	}
 }
diff --git a/crates/playeragent/src/playerstatus.rs b/crates/playeragent/src/playerstatus.rs
index 1e9321f..3389125 100644
--- a/crates/playeragent/src/playerstatus.rs
+++ b/crates/playeragent/src/playerstatus.rs
@@ -1,5 +1,5 @@
 use cgmath::Point2;
 
 pub struct PlayerStatus {
-	pub pos: Point2<f32>,
+	pub pos: Option<Point2<f32>>,
 }
diff --git a/crates/render/src/datastructs.rs b/crates/render/src/datastructs.rs
index 7fd4cae..1df65dd 100644
--- a/crates/render/src/datastructs.rs
+++ b/crates/render/src/datastructs.rs
@@ -41,7 +41,7 @@ pub struct RenderInput<'a> {
 	pub particles: &'a mut Vec<ParticleBuilder>,
 
 	/// Time we spent in each part of the game loop
-	pub timing: &'a mut Timing,
+	pub timing: Timing,
 }
 
 /// Renderer state. A reference to this struct is often passed to helper functions.
diff --git a/crates/render/src/gpustate/render.rs b/crates/render/src/gpustate/render.rs
index 256a239..7f3ae6e 100644
--- a/crates/render/src/gpustate/render.rs
+++ b/crates/render/src/gpustate/render.rs
@@ -16,8 +16,6 @@ use crate::{
 impl super::GPUState {
 	/// Main render function. Draws sprites on a window.
 	pub fn render(&mut self, input: RenderInput) -> Result<(), wgpu::SurfaceError> {
-		input.timing.start_render();
-
 		let output = self.surface.get_current_texture()?;
 		let view = output.texture.create_view(&Default::default());
 
@@ -217,7 +215,6 @@ impl super::GPUState {
 		self.state.queue.submit(iter::once(encoder.finish()));
 		output.present();
 
-		input.timing.mark_render();
 		Ok(())
 	}
 }
diff --git a/crates/render/src/ui/fpsindicator.rs b/crates/render/src/ui/fpsindicator.rs
index 69f9f8a..2b78cb6 100644
--- a/crates/render/src/ui/fpsindicator.rs
+++ b/crates/render/src/ui/fpsindicator.rs
@@ -36,12 +36,12 @@ impl FpsIndicator {
 		self.buffer.set_text(
 			&mut state.text_font_system,
 			&format!(
-				"Frame:  {:05.02?}%\nGame:   {:05.02?}%\nShips:  {:05.02?}%\nPhys:   {:05.02?}%\nRender: {:.02?}",
-				100.0 * (input.timing.frame / input.timing.render),
-				100.0 * (input.timing.galaxy / input.timing.frame),
-				100.0 * (input.timing.physics_sim / input.timing.frame),
-				100.0 * (input.timing.physics_ship / input.timing.frame),
-				1.0 / input.timing.render
+				"Frame:  {:#?} ({:05.00})\nGame:   {:05.02}%\nShips:  {:05.02}%\nPhys:   {:05.02}%\n",
+				input.timing.frame, 1.0 /input.timing.frame.as_secs_f32(),
+				100.0 * (input.timing.galaxy.as_secs_f32() / input.timing.frame.as_secs_f32()),
+				100.0 * (input.timing.physics_sim.as_secs_f32() / input.timing.frame.as_secs_f32()),
+				100.0
+					* (input.timing.physics_ship.as_secs_f32() / input.timing.frame.as_secs_f32()),
 			),
 			Attrs::new().family(Family::Monospace),
 			Shaping::Basic,
diff --git a/crates/render/src/ui/radar.rs b/crates/render/src/ui/radar.rs
index 85e4a69..f9df156 100644
--- a/crates/render/src/ui/radar.rs
+++ b/crates/render/src/ui/radar.rs
@@ -8,11 +8,15 @@ use crate::{
 	PositionAnchor, RenderInput,
 };
 
-pub(super) struct Radar {}
+pub(super) struct Radar {
+	last_player_position: Point2<f32>,
+}
 
 impl Radar {
 	pub fn new() -> Self {
-		Self {}
+		Self {
+			last_player_position: Point2 { x: 0.0, y: 0.0 },
+		}
 	}
 }
 
@@ -25,13 +29,17 @@ impl Radar {
 		let system_object_scale = 1.0 / 600.0;
 		let ship_scale = 1.0 / 10.0;
 
-		let player_world_object = input.systemsim.get_ship(input.player_data).unwrap();
-		let player_body = input
-			.systemsim
-			.get_rigid_body(player_world_object.rigid_body)
-			.unwrap();
+		// TODO: maybe a cleaner solution for last posititon?
+		// This is necessary because the player may be dead or landed
+		if let Some(player_world_object) = input.systemsim.get_ship(input.player_data) {
+			let player_body = input
+				.systemsim
+				.get_rigid_body(player_world_object.rigid_body)
+				.unwrap();
+
+			self.last_player_position = util::rigidbody_position(player_body)
+		};
 
-		let player_position = util::rigidbody_position(player_body);
 		let planet_sprite = input.ct.get_sprite_handle("ui::planetblip");
 		let ship_sprite = input.ct.get_sprite_handle("ui::shipblip");
 		let arrow_sprite = input.ct.get_sprite_handle("ui::centerarrow");
@@ -65,7 +73,7 @@ impl Radar {
 				x: o.pos.x,
 				y: o.pos.y,
 			};
-			let d = (p - player_position) / radar_range;
+			let d = (p - self.last_player_position) / radar_range;
 			// Add half the blip sprite's height to distance
 			let m = d.magnitude() + (size / (2.0 * radar_size));
 			if m < hide_range {
@@ -120,7 +128,7 @@ impl Radar {
 			let ship = input.ct.get_ship(s.data_handle.content_handle());
 			let size = (ship.size * ship.sprite.aspect) * ship_scale;
 			let p = util::rigidbody_position(r);
-			let d = (p - player_position) / radar_range;
+			let d = (p - self.last_player_position) / radar_range;
 			let m = d.magnitude() + (size / (2.0 * radar_size));
 			if m < hide_range {
 				let size = size.min((hide_range - m) * size * shrink_distance);
@@ -250,7 +258,7 @@ impl Radar {
 		}
 
 		// Arrow to center of system
-		let q = Point2 { x: 0.0, y: 0.0 } - player_position;
+		let q = Point2 { x: 0.0, y: 0.0 } - self.last_player_position;
 		let m = q.magnitude();
 		if m > 200.0 {
 			let player_angle = q.angle(Vector2 { x: 0.0, y: 1.0 });
diff --git a/crates/render/src/ui/status.rs b/crates/render/src/ui/status.rs
index 694404b..404d3e7 100644
--- a/crates/render/src/ui/status.rs
+++ b/crates/render/src/ui/status.rs
@@ -25,13 +25,23 @@ impl Status {
 			panic!("UI limit exceeded!")
 		}
 
-		let player_world_object = input.systemsim.get_ship(input.player_data).unwrap();
-
-		let data = input.gx.get_ship(player_world_object.data_handle).unwrap();
-		let max_shields = data.get_outfits().get_shield_strength();
-		let current_shields = data.get_shields();
-		let current_hull = data.get_hull();
-		let max_hull = input.ct.get_ship(data.get_content()).hull;
+		let max_shields;
+		let current_shields;
+		let current_hull;
+		let max_hull;
+		if let Some(player_world_object) = input.systemsim.get_ship(input.player_data) {
+			let data = input.gx.get_ship(player_world_object.data_handle).unwrap();
+			max_shields = data.get_outfits().get_shield_strength();
+			current_shields = data.get_shields();
+			current_hull = data.get_hull();
+			max_hull = input.ct.get_ship(data.get_content()).hull;
+		} else {
+			// Sensible defaults if ship doesn't exist (landed or dead)
+			max_shields = 1.0;
+			current_shields = 0.0;
+			current_hull = 0.0;
+			max_hull = 1.0;
+		};
 
 		state.queue.write_buffer(
 			&state.vertex_buffers.ui.instances,
diff --git a/crates/systemsim/src/systemsim.rs b/crates/systemsim/src/systemsim.rs
index 2e510f2..2707409 100644
--- a/crates/systemsim/src/systemsim.rs
+++ b/crates/systemsim/src/systemsim.rs
@@ -232,11 +232,16 @@ impl SystemSim {
 
 	/// Update a player ship's controls
 	pub fn update_player_controls(&mut self, player: &PlayerAgent) {
-		let ship_object = self.ships.get_mut(&player.ship.unwrap()).unwrap();
-		ship_object.controls.guns = player.input.key_guns;
-		ship_object.controls.left = player.input.key_left;
-		ship_object.controls.right = player.input.key_right;
-		ship_object.controls.thrust = player.input.key_thrust;
+		if player.ship.is_none() {
+			return;
+		}
+		let ship_object = self.ships.get_mut(&player.ship.unwrap());
+		if let Some(ship_object) = ship_object {
+			ship_object.controls.guns = player.input.key_guns;
+			ship_object.controls.left = player.input.key_left;
+			ship_object.controls.right = player.input.key_right;
+			ship_object.controls.thrust = player.input.key_thrust;
+		}
 	}
 
 	/// Run ship updates:
diff --git a/crates/util/src/timing.rs b/crates/util/src/timing.rs
index 20a43c9..75b4df2 100644
--- a/crates/util/src/timing.rs
+++ b/crates/util/src/timing.rs
@@ -1,47 +1,40 @@
 //! Keep track of the time we spent in each part of the game loop.
-use std::time::Instant;
+use std::time::{Duration, Instant};
 
 /// Utility struct.
 /// Keeps track of the time we spent in each part of the game loop.
-#[derive(Debug)]
+#[derive(Debug, Clone)]
 pub struct Timing {
-	/// The time we spent processing the whole frame
-	pub frame: f32,
+	/// The time we spent on all frame computations
+	pub frame: Duration,
 	frame_timer: Instant,
 
 	/// The time we spent simulating game state
-	pub galaxy: f32,
+	pub galaxy: Duration,
 	galaxy_timer: Instant,
 
 	/// The time we spent simulating physics
-	pub physics_sim: f32,
+	pub physics_sim: Duration,
 	physics_sim_timer: Instant,
 
 	/// The time we spent updating physics ships
-	pub physics_ship: f32,
+	pub physics_ship: Duration,
 	physics_ship_timer: Instant,
-
-	/// The time we spent simulating physics
-	pub render: f32,
-	render_timer: Instant,
 }
 
-// TODO: macros
 // TODO: document each duration
 
 impl Timing {
 	/// Create a new timing struct
 	pub fn new() -> Self {
 		Self {
-			frame: f32::NAN,
-			galaxy: f32::NAN,
-			physics_sim: f32::NAN,
-			physics_ship: f32::NAN,
-			render: f32::NAN,
+			frame: Duration::ZERO,
+			galaxy: Duration::ZERO,
+			physics_sim: Duration::ZERO,
+			physics_ship: Duration::ZERO,
 			galaxy_timer: Instant::now(),
 			physics_sim_timer: Instant::now(),
 			physics_ship_timer: Instant::now(),
-			render_timer: Instant::now(),
 			frame_timer: Instant::now(),
 		}
 	}
@@ -66,33 +59,23 @@ impl Timing {
 		self.physics_ship_timer = Instant::now();
 	}
 
-	/// Start render timer
-	pub fn start_render(&mut self) {
-		self.render_timer = Instant::now();
-	}
-
 	/// Record galaxy simulation time.
 	pub fn mark_frame(&mut self) {
-		self.frame = self.frame_timer.elapsed().as_secs_f32();
+		self.frame = self.frame_timer.elapsed();
 	}
 
 	/// Record galaxy simulation time.
 	pub fn mark_galaxy(&mut self) {
-		self.galaxy = self.galaxy_timer.elapsed().as_secs_f32();
+		self.galaxy = self.galaxy_timer.elapsed();
 	}
 
 	/// Record physics simulation time
 	pub fn mark_physics_sim(&mut self) {
-		self.physics_sim = self.physics_sim_timer.elapsed().as_secs_f32();
+		self.physics_sim = self.physics_sim_timer.elapsed();
 	}
 
 	/// Record physics ship update time
 	pub fn mark_physics_ships(&mut self) {
-		self.physics_ship = self.physics_ship_timer.elapsed().as_secs_f32();
-	}
-
-	/// Record physics simulation time
-	pub fn mark_render(&mut self) {
-		self.render = self.render_timer.elapsed().as_secs_f32();
+		self.physics_ship = self.physics_ship_timer.elapsed();
 	}
 }