Renames

Cargo.lock

@@ -643,10 +643,9 @@ dependencies = [
  "anyhow",
  "cgmath",
  "galactica-content",
- "galactica-galaxy",
  "galactica-playeragent",
  "galactica-render",
- "galactica-systemsim",
+ "galactica-system",
  "galactica-util",
  "pollster",
  "rand",
@@ -668,15 +667,6 @@ dependencies = [
  "walkdir",
 ]
 
-[[package]]
-name = "galactica-galaxy"
-version = "0.0.0"
-dependencies = [
- "cgmath",
- "galactica-content",
- "rand",
-]
-
 [[package]]
 name = "galactica-packer"
 version = "0.0.0"
@@ -696,7 +686,6 @@ dependencies = [
  "anyhow",
  "cgmath",
  "galactica-content",
- "galactica-galaxy",
  "galactica-util",
  "pollster",
  "rapier2d",
@@ -712,9 +701,8 @@ dependencies = [
  "bytemuck",
  "cgmath",
  "galactica-content",
- "galactica-galaxy",
  "galactica-packer",
- "galactica-systemsim",
+ "galactica-system",
  "galactica-util",
  "glyphon",
  "image",
@@ -724,13 +712,12 @@ dependencies = [
 ]
 
 [[package]]
-name = "galactica-systemsim"
+name = "galactica-system"
 version = "0.0.0"
 dependencies = [
  "cgmath",
  "crossbeam",
  "galactica-content",
- "galactica-galaxy",
  "galactica-playeragent",
  "galactica-util",
  "nalgebra",

Cargo.toml

@@ -45,8 +45,7 @@ readme = ""
 galactica-util = { path = "crates/util" }
 galactica-content = { path = "crates/content" }
 galactica-render = { path = "crates/render" }
-galactica-systemsim = { path = "crates/systemsim" }
+galactica-system = { path = "crates/system" }
-galactica-galaxy = { path = "crates/galaxy" }
 galactica-packer = { path = "crates/packer" }
 galactica-playeragent = { path = "crates/playeragent" }
 galactica = { path = "crates/galactica" }

crates/galactica/Cargo.toml

@@ -24,8 +24,7 @@ workspace = true
 galactica-content = { workspace = true }
 galactica-render = { workspace = true }
 galactica-util = { workspace = true }
-galactica-systemsim = { workspace = true }
+galactica-system = { workspace = true }
-galactica-galaxy = { workspace = true }
 galactica-playeragent = { workspace = true }
 
 rand = { workspace = true }

crates/galactica/src/game.rs

@@ -1,15 +1,17 @@
 use cgmath::Point2;
 use galactica_content::{Content, FactionHandle, OutfitHandle, ShipHandle, SystemHandle};
-use galactica_galaxy::ship::ShipPersonality;
 use galactica_playeragent::PlayerAgent;
-use galactica_systemsim::{ParticleBuilder, StepResources, SySimShipHandle, SystemSim, Wrapper};
+use galactica_system::data::ShipPersonality;
+use galactica_system::phys::{
+	ParticleBuilder, PhysSim, PhysSimShipHandle, PhysStepResources, Wrapper,
+};
 use galactica_util::timing::Timing;
 use rand::seq::SliceRandom;
 use std::time::Instant;
 
 #[derive(Clone)]
 pub struct GameState {
-	pub systemsim: SystemSim,
+	pub systemsim: PhysSim,
 	pub timing: Timing,
 	pub start_instant: Instant,
 }
@@ -36,7 +38,7 @@ pub struct Game {
 unsafe impl<'a> Send for Game {}
 
 impl<'a> Game {
-	pub fn make_player(&mut self) -> SySimShipHandle {
+	pub fn make_player(&mut self) -> PhysSimShipHandle {
 		let player = self.state.systemsim.add_ship(
 			&self.ct,
 			ShipHandle { index: 0 },
@@ -57,7 +59,7 @@ impl<'a> Game {
 	}
 
 	pub fn new(ct: Content) -> Self {
-		let mut systemsim = SystemSim::new(&ct, SystemHandle { index: 0 });
+		let mut systemsim = PhysSim::new(&ct, SystemHandle { index: 0 });
 
 		let a = systemsim.add_ship(
 			&ct,
@@ -119,7 +121,7 @@ impl<'a> Game {
 		let t: f32 = self.last_update.elapsed().as_secs_f32() * self.time_scale;
 		self.new_particles.clear();
 
-		self.state.systemsim.step(StepResources {
+		self.state.systemsim.step(PhysStepResources {
 			ct: &self.ct,
 			particles: &mut self.new_particles,
 			timing: &mut self.state.timing,

crates/galactica/src/main.rs

@@ -4,7 +4,7 @@ use anyhow::{bail, Result};
 use galactica_content::{Content, SystemHandle};
 use galactica_playeragent::{PlayerAgent, PlayerStatus};
 use galactica_render::RenderInput;
-use galactica_systemsim::{util, SySimShipHandle};
+use galactica_system::phys::{util, PhysSimShipHandle};
 use galactica_util::constants::ASSET_CACHE;
 use std::{
 	fs,
@@ -56,7 +56,7 @@ fn main() -> Result<()> {
 					ct: &content,
 					systemsim: &game.get_state().systemsim,
 					particles: game.get_particles(),
-					player_ship: SySimShipHandle(player.ship.unwrap()),
+					player_ship: PhysSimShipHandle(player.ship.unwrap()),
 					current_system: SystemHandle { index: 0 },
 					timing: game.get_state().timing.clone(),
 				};
@@ -79,7 +79,7 @@ fn main() -> Result<()> {
 						let o = &game
 							.get_state()
 							.systemsim
-							.get_ship(&SySimShipHandle(player.ship.unwrap()));
+							.get_ship(&PhysSimShipHandle(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 {

crates/galaxy/Cargo.toml

@@ -1,23 +0,0 @@
-[package]
-name = "galactica-galaxy"
-description = "Galactica's game data manager"
-categories = { workspace = true }
-keywords = { workspace = true }
-version = { workspace = true }
-rust-version = { workspace = true }
-authors = { workspace = true }
-edition = { workspace = true }
-homepage = { workspace = true }
-repository = { workspace = true }
-license = { workspace = true }
-documentation = { workspace = true }
-readme = { workspace = true }
-
-[lints]
-workspace = true
-
-[dependencies]
-galactica-content = { workspace = true }
-
-cgmath = { workspace = true }
-rand = { workspace = true }

crates/galaxy/src/lib.rs

@@ -1 +0,0 @@
-pub mod ship;

crates/playeragent/Cargo.toml

@@ -19,7 +19,6 @@ workspace = true
 [dependencies]
 galactica-content = { workspace = true }
 galactica-util = { workspace = true }
-galactica-galaxy = { workspace = true }
 
 winit = { workspace = true }
 wgpu = { workspace = true }

crates/render/Cargo.toml

@@ -20,8 +20,7 @@ workspace = true
 galactica-content = { workspace = true }
 galactica-util = { workspace = true }
 galactica-packer = { workspace = true }
-galactica-systemsim = { workspace = true }
+galactica-system = { workspace = true }
-galactica-galaxy = { workspace = true }
 
 anyhow = { workspace = true }
 cgmath = { workspace = true }

crates/render/src/datastructs.rs

@@ -1,6 +1,6 @@
 use cgmath::Point2;
 use galactica_content::{Content, SystemHandle};
-use galactica_systemsim::{ParticleBuilder, SySimShipHandle, SystemSim};
+use galactica_system::phys::{ParticleBuilder, PhysSim, PhysSimShipHandle};
 use galactica_util::timing::Timing;
 use glyphon::{FontSystem, SwashCache, TextAtlas, TextRenderer};
 use std::rc::Rc;
@@ -15,7 +15,7 @@ pub struct RenderInput<'a> {
 	pub camera_pos: Point2<f32>,
 
 	/// Player ship data
-	pub player_ship: SySimShipHandle,
+	pub player_ship: PhysSimShipHandle,
 
 	/// The system we're currently in
 	pub current_system: SystemHandle,
@@ -24,7 +24,7 @@ pub struct RenderInput<'a> {
 	pub camera_zoom: f32,
 
 	/// The world state to render
-	pub systemsim: &'a SystemSim,
+	pub systemsim: &'a PhysSim,
 
 	// TODO: handle overflow. is it a problem?
 	/// The current time, in seconds

crates/render/src/gpustate/mod.rs

@@ -10,8 +10,8 @@ use crate::{
 /// GPUState is very big, so its methods have been split
 /// among the following files.
 mod new;
+mod phys;
 mod render;
-mod systemsim;
 
 /// A high-level GPU wrapper. Reads game state (via RenderInput),
 /// produces pretty pictures.

crates/render/src/gpustate/phys.rs

@@ -2,7 +2,7 @@
 
 use bytemuck;
 use cgmath::{EuclideanSpace, InnerSpace, Point2, Vector2};
-use galactica_systemsim::util;
+use galactica_system::phys::util;
 use galactica_util::constants::OBJECT_SPRITE_INSTANCE_LIMIT;
 
 use crate::{
@@ -12,7 +12,7 @@ use crate::{
 };
 
 impl GPUState {
-	pub(super) fn sysim_push_ship(
+	pub(super) fn phys_push_ship(
 		&mut self,
 		state: &RenderInput,
 		// NE and SW corners of screen
@@ -120,7 +120,7 @@ impl GPUState {
 		}
 	}
 
-	pub(super) fn sysim_push_projectile(
+	pub(super) fn phys_push_projectile(
 		&mut self,
 		state: &RenderInput,
 		// NE and SW corners of screen
@@ -190,7 +190,7 @@ impl GPUState {
 		}
 	}
 
-	pub(super) fn sysim_push_system(
+	pub(super) fn phys_push_system(
 		&mut self,
 		state: &RenderInput,
 		// NE and SW corners of screen

crates/render/src/gpustate/render.rs

@@ -116,9 +116,9 @@ impl super::GPUState {
 		// Order matters, it determines what is drawn on top.
 		// The order inside ships and projectiles doesn't matter,
 		// but ships should always be under projectiles.
-		self.sysim_push_system(&input, (clip_ne, clip_sw));
+		self.phys_push_system(&input, (clip_ne, clip_sw));
-		self.sysim_push_ship(&input, (clip_ne, clip_sw));
+		self.phys_push_ship(&input, (clip_ne, clip_sw));
-		self.sysim_push_projectile(&input, (clip_ne, clip_sw));
+		self.phys_push_projectile(&input, (clip_ne, clip_sw));
 		self.ui.draw(&input, &mut self.state);
 
 		// These should match the indices in each shader,

crates/render/src/ui/radar.rs

@@ -1,6 +1,5 @@
 use cgmath::{Deg, InnerSpace, Point2, Rad, Vector2};
-use galactica_galaxy::ship::ShipState;
+use galactica_system::{data::ShipState, phys::util};
-use galactica_systemsim::util;
 use galactica_util::constants::UI_SPRITE_INSTANCE_LIMIT;
 
 use crate::{

crates/render/src/ui/status.rs

@@ -1,5 +1,6 @@
 use std::f32::consts::TAU;
 
+use galactica_system::data::ShipState;
 use galactica_util::constants::{RADIALBAR_SPRITE_INSTANCE_LIMIT, UI_SPRITE_INSTANCE_LIMIT};
 
 use crate::{
@@ -32,8 +33,7 @@ impl Status {
 		let player_ship = input.systemsim.get_ship(&input.player_ship).unwrap();
 
 		match player_ship.data.get_state() {
-			galactica_galaxy::ship::ShipState::Collapsing { .. }
+			ShipState::Collapsing { .. } | ShipState::Flying => {
-			| galactica_galaxy::ship::ShipState::Flying => {
 				max_shields = player_ship.data.get_outfits().get_shield_strength();
 				current_shields = player_ship.data.get_shields();
 				current_hull = player_ship.data.get_hull();

crates/system/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
-name = "galactica-systemsim"
+name = "galactica-system"
-description = "Physics interactions for Galactica"
+description = "Galactica's star system simulations"
 categories = { workspace = true }
 keywords = { workspace = true }
 version = { workspace = true }
@@ -18,7 +18,6 @@ workspace = true
 
 [dependencies]
 galactica-content = { workspace = true }
-galactica-galaxy = { workspace = true }
 galactica-util = { workspace = true }
 galactica-playeragent = { workspace = true }
 

crates/system/src/data/mod.rs

@@ -0,0 +1,4 @@
+//! This module contains data structs shared between all simulations
+
+mod ship;
+pub use ship::*;

crates/system/src/data/ship/outfitset.rs

@@ -160,6 +160,8 @@ impl OutfitSet {
 	}
 
 	// TODO: pick these better
+	/// Returns the flare sprite that should be shown when this
+	/// ship is using its thrusters
 	pub fn get_flare_sprite(&self, ct: &Content) -> Option<SpriteHandle> {
 		for i in self.outfits.keys() {
 			let c = ct.get_outfit(*i);

crates/system/src/data/ship/ship.rs

@@ -14,8 +14,13 @@ pub enum ShipState {
 	Flying, // TODO: system, position (also in collapse)?
 
 	/// This ship has been destroyed, and is playing its collapse sequence.
-	/// Parameters are total collapse sequence length and remaining sequence length, in seconds.
+	Collapsing {
-	Collapsing { total: f32, elapsed: f32 },
+		/// Total collapse sequence length, in seconds
+		total: f32,
+
+		/// How many seconds of the collapse sequence we've played
+		elapsed: f32,
+	},
 }
 
 impl ShipState {
@@ -57,8 +62,9 @@ impl ShipState {
 	}
 }
 
+/// Represents all attributes of a single ship
 #[derive(Debug, Clone)]
-pub struct GxShip {
+pub struct ShipData {
 	// Metadata values
 	ct_handle: ShipHandle,
 	faction: FactionHandle,
@@ -82,15 +88,16 @@ pub struct GxShip {
 	last_hit: Instant,
 }
 
-impl GxShip {
+impl ShipData {
-	pub fn new(
+	/// Create a new ShipData
+	pub(crate) fn new(
 		ct: &Content,
 		ct_handle: ShipHandle,
 		faction: FactionHandle,
 		personality: ShipPersonality,
 	) -> Self {
 		let s = ct.get_ship(ct_handle);
-		GxShip {
+		ShipData {
 			ct_handle,
 			faction,
 			outfits: OutfitSet::new(s.space, &s.guns),
@@ -124,7 +131,7 @@ impl GxShip {
 	/// Will panic if `which` isn't a point on this ship.
 	/// Returns `true` if this gun was fired,
 	/// and `false` if it is on cooldown or empty.
-	pub fn fire_gun(&mut self, ct: &Content, which: &GunPoint) -> bool {
+	pub(crate) fn fire_gun(&mut self, ct: &Content, which: &GunPoint) -> bool {
 		let c = self.gun_cooldowns.get_mut(which).unwrap();
 
 		if *c > 0.0 {
@@ -143,7 +150,7 @@ impl GxShip {
 	}
 
 	/// Hit this ship with the given amount of damage
-	pub fn apply_damage(&mut self, ct: &Content, mut d: f32) {
+	pub(crate) fn apply_damage(&mut self, ct: &Content, mut d: f32) {
 		if self.state.is_collapsing() {
 			return;
 		}
@@ -166,7 +173,7 @@ impl GxShip {
 	}
 
 	/// Update this ship's state by `t` seconds
-	pub fn step(&mut self, t: f32) {
+	pub(crate) fn step(&mut self, t: f32) {
 		match self.state {
 			ShipState::Collapsing {
 				ref mut elapsed, ..
@@ -201,7 +208,7 @@ impl GxShip {
 }
 
 // Misc getters, so internal state is untouchable
-impl GxShip {
+impl ShipData {
 	/// Get this ship's state
 	pub fn get_state(&self) -> &ShipState {
 		&self.state

crates/system/src/lib.rs

@@ -0,0 +1,8 @@
+#![warn(missing_docs)]
+
+//! Galactica's system simulation.
+//! data contains shared object data,
+//! phys contains the physics system simulation (the one you see)
+
+pub mod data;
+pub mod phys;

crates/system/src/phys/controller/mod.rs

@@ -9,9 +9,9 @@ use point::PointShipController;
 use rapier2d::{dynamics::RigidBodySet, geometry::ColliderHandle};
 use std::{collections::HashMap, fmt::Debug};
 
-use crate::{
+use super::{
-	objects::{ShipControls, SySimShip},
+	objects::{PhysSimShip, ShipControls},
-	StepResources,
+	PhysStepResources,
 };
 
 /// Represents a ship controller
@@ -38,9 +38,9 @@ impl ShipController {
 	/// Compute new ship controls from world state
 	pub fn update_controls(
 		&mut self,
-		res: &StepResources,
+		res: &PhysStepResources,
 		rigid_bodies: &RigidBodySet,
-		ships: &HashMap<ColliderHandle, SySimShip>,
+		ships: &HashMap<ColliderHandle, PhysSimShip>,
 		this_ship: ColliderHandle,
 	) -> Option<ShipControls> {
 		match self {
@@ -61,9 +61,9 @@ where
 	/// or None if no change is to be made.
 	fn update_controls(
 		&mut self,
-		res: &StepResources,
+		res: &PhysStepResources,
 		rigid_bodies: &RigidBodySet,
-		ships: &HashMap<ColliderHandle, SySimShip>,
+		ships: &HashMap<ColliderHandle, PhysSimShip>,
 		this_ship: ColliderHandle,
 	) -> Option<ShipControls>;
 }

crates/system/src/phys/controller/null.rs

@@ -1,10 +1,12 @@
 use rapier2d::{dynamics::RigidBodySet, geometry::ColliderHandle};
 use std::collections::HashMap;
 
-use super::ShipControllerStruct;
+use super::{
-use crate::{
+	super::{
-	objects::{ShipControls, SySimShip},
+		objects::{PhysSimShip, ShipControls},
-	StepResources,
+		PhysStepResources,
+	},
+	ShipControllerStruct,
 };
 
 /// The Null controller is assigned to objects that are static or not controlled by the computer.
@@ -22,9 +24,9 @@ impl NullShipController {
 impl ShipControllerStruct for NullShipController {
 	fn update_controls(
 		&mut self,
-		_res: &StepResources,
+		_res: &PhysStepResources,
 		_rigid_bodies: &RigidBodySet,
-		_ships: &HashMap<ColliderHandle, SySimShip>,
+		_ships: &HashMap<ColliderHandle, PhysSimShip>,
 		_this_ship: ColliderHandle,
 	) -> Option<ShipControls> {
 		None

crates/system/src/phys/controller/point.rs

@@ -3,10 +3,12 @@ use galactica_content::Relationship;
 use rapier2d::{dynamics::RigidBodySet, geometry::ColliderHandle};
 use std::collections::HashMap;
 
-use super::ShipControllerStruct;
+use super::{
-use crate::{
+	super::{
-	objects::{ShipControls, SySimShip},
+		objects::{PhysSimShip, ShipControls},
-	util, StepResources,
+		util, PhysStepResources,
+	},
+	ShipControllerStruct,
 };
 
 /// "Point" ship controller.
@@ -24,9 +26,9 @@ impl PointShipController {
 impl ShipControllerStruct for PointShipController {
 	fn update_controls(
 		&mut self,
-		res: &StepResources,
+		res: &PhysStepResources,
 		rigid_bodies: &RigidBodySet,
-		ships: &HashMap<ColliderHandle, SySimShip>,
+		ships: &HashMap<ColliderHandle, PhysSimShip>,
 		this_ship: ColliderHandle,
 	) -> Option<ShipControls> {
 		let mut controls = ShipControls::new();

crates/system/src/phys/mod.rs

@@ -1,6 +1,4 @@
-#![warn(missing_docs)]
+//! This module provides a physics-based simulation of one system.
-
-//! This module provides a physics-based simulation of one galaxy system.
 
 pub mod controller;
 pub mod objects;
@@ -12,5 +10,5 @@ mod wrapper;
 
 pub use particlebuilder::*;
 pub use stepresources::*;
-pub use systemsim::{SySimShipHandle, SystemSim};
+pub use systemsim::{PhysSim, PhysSimShipHandle};
 pub use wrapper::Wrapper;

crates/system/src/phys/objects/collapse.rs

@@ -1,11 +1,11 @@
 use cgmath::{Deg, EuclideanSpace, InnerSpace, Matrix2, Rad, Vector2, Zero};
 use galactica_content::{CollapseEvent, Ship};
-use galactica_galaxy::ship::GxShip;
 use nalgebra::point;
 use rand::{rngs::ThreadRng, Rng};
 use rapier2d::{dynamics::RigidBody, geometry::Collider};
 
-use crate::{util, ParticleBuilder, StepResources};
+use super::super::{util, ParticleBuilder, PhysStepResources};
+use crate::data::ShipData;
 
 #[derive(Debug, Clone)]
 pub(super) struct ShipCollapseSequence {
@@ -40,8 +40,8 @@ impl ShipCollapseSequence {
 	/// Step this sequence `t` seconds
 	pub(super) fn step(
 		&mut self,
-		res: &mut StepResources,
+		res: &mut PhysStepResources,
-		ship_data: &GxShip,
+		ship_data: &ShipData,
 		rigid_body: &mut RigidBody,
 		collider: &mut Collider,
 	) {
@@ -57,6 +57,8 @@ impl ShipCollapseSequence {
 		// The fraction of this collapse sequence that has been played
 		let frac_done = elapsed / total;
 
+		// TODO: slight random offset for event particles
+
 		// Trigger collapse events
 		for event in &ship_content.collapse.events {
 			match event {

crates/system/src/phys/objects/mod.rs

@@ -3,5 +3,5 @@ mod collapse;
 mod projectile;
 mod ship;
 
-pub use projectile::SySimProjectile;
+pub use projectile::PhysProjectile;
-pub use ship::{ShipControls, SySimShip};
+pub use ship::{PhysSimShip, ShipControls};

crates/system/src/phys/objects/projectile.rs

@@ -2,9 +2,9 @@ use galactica_content::{FactionHandle, Projectile};
 use rand::Rng;
 use rapier2d::{dynamics::RigidBodyHandle, geometry::ColliderHandle};
 
-/// A single projectile in this sim
+/// A single projectile in this simulation
 #[derive(Debug, Clone)]
-pub struct SySimProjectile {
+pub struct PhysProjectile {
 	/// This projectile's game data
 	pub content: Projectile,
 
@@ -24,7 +24,7 @@ pub struct SySimProjectile {
 	pub size_rng: f32,
 }
 
-impl SySimProjectile {
+impl PhysProjectile {
 	/// Create a new projectile
 	pub fn new(
 		content: Projectile, // TODO: use a handle
@@ -35,7 +35,7 @@ impl SySimProjectile {
 		let mut rng = rand::thread_rng();
 		let size_rng = content.size_rng;
 		let lifetime = content.lifetime;
-		SySimProjectile {
+		PhysProjectile {
 			rigid_body,
 			collider,
 			content,

crates/system/src/phys/objects/ship.rs

@@ -1,6 +1,5 @@
 use cgmath::{Deg, EuclideanSpace, InnerSpace, Matrix2, Rad, Vector2, Zero};
 use galactica_content::{Content, FactionHandle, ShipHandle};
-use galactica_galaxy::ship::{GxShip, ShipPersonality, ShipState};
 use nalgebra::{point, vector};
 use rand::Rng;
 use rapier2d::{
@@ -8,9 +7,12 @@ use rapier2d::{
 	geometry::{Collider, ColliderHandle},
 };
 
-use crate::{util, ParticleBuilder, StepResources};
+use crate::data::{ShipData, ShipPersonality, ShipState};
 
-use super::collapse::ShipCollapseSequence;
+use super::{
+	super::{util, ParticleBuilder, PhysStepResources},
+	collapse::ShipCollapseSequence,
+};
 
 /// A ship's controls
 #[derive(Debug, Clone)]
@@ -42,7 +44,7 @@ impl ShipControls {
 
 /// A ship instance in the physics system
 #[derive(Debug, Clone)]
-pub struct SySimShip {
+pub struct PhysSimShip {
 	/// This ship's physics handle
 	pub rigid_body: RigidBodyHandle,
 
@@ -50,7 +52,7 @@ pub struct SySimShip {
 	pub collider: ColliderHandle,
 
 	/// This ship's game data
-	pub data: GxShip,
+	pub data: ShipData,
 
 	/// This ship's controls
 	pub(crate) controls: ShipControls,
@@ -59,7 +61,7 @@ pub struct SySimShip {
 	collapse_sequence: Option<ShipCollapseSequence>,
 }
 
-impl SySimShip {
+impl PhysSimShip {
 	/// Make a new ship
 	pub(crate) fn new(
 		ct: &Content,
@@ -69,10 +71,10 @@ impl SySimShip {
 		rigid_body: RigidBodyHandle,
 		collider: ColliderHandle,
 	) -> Self {
-		SySimShip {
+		PhysSimShip {
 			rigid_body,
 			collider,
-			data: GxShip::new(ct, handle, faction, personality),
+			data: ShipData::new(ct, handle, faction, personality),
 			controls: ShipControls::new(),
 			collapse_sequence: Some(ShipCollapseSequence::new()),
 		}
@@ -81,7 +83,7 @@ impl SySimShip {
 	/// Step this ship's state by t seconds
 	pub fn step(
 		&mut self,
-		res: &mut StepResources,
+		res: &mut PhysStepResources,
 		rigid_body: &mut RigidBody,
 		collider: &mut Collider,
 	) {
@@ -103,7 +105,7 @@ impl SySimShip {
 	/// Step this ship's state by t seconds (called when alive)
 	fn step_live(
 		&mut self,
-		res: &mut StepResources,
+		res: &mut PhysStepResources,
 		rigid_body: &mut RigidBody,
 		collider: &mut Collider,
 	) {
@@ -180,7 +182,7 @@ impl SySimShip {
 	}
 }
 
-impl SySimShip {
+impl PhysSimShip {
 	/// Get this ship's control state
 	pub fn get_controls(&self) -> &ShipControls {
 		&self.controls

crates/system/src/phys/stepresources.rs

@@ -1,9 +1,9 @@
-use crate::{wrapper::Wrapper, ParticleBuilder};
+use super::{wrapper::Wrapper, ParticleBuilder};
 use galactica_content::Content;
 use galactica_util::timing::Timing;
 
 /// External resources we need to compute time steps
-pub struct StepResources<'a> {
+pub struct PhysStepResources<'a> {
 	/// Game content
 	pub ct: &'a Content,
 

crates/system/src/phys/systemsim.rs

@@ -3,7 +3,6 @@ use galactica_content::{
 	Content, FactionHandle, GunPoint, OutfitHandle, ProjectileCollider, Relationship, ShipHandle,
 	SystemHandle,
 };
-use galactica_galaxy::ship::ShipPersonality;
 use galactica_playeragent::PlayerAgent;
 use nalgebra::{point, vector};
 use rand::Rng;
@@ -14,39 +13,41 @@ use rapier2d::{
 };
 use std::{collections::HashMap, f32::consts::PI};
 
-use crate::{
+use crate::data::ShipPersonality;
+
+use super::{
 	controller::ShipController,
-	objects::{SySimProjectile, SySimShip},
+	objects::{PhysProjectile, PhysSimShip},
-	util, ParticleBuilder, StepResources,
+	util, ParticleBuilder, PhysStepResources,
 };
 
 // TODO: replace with a more generic handle
 /// A handle for a ship in this simulation
 /// This lets other crates reference ships
 /// without including `rapier2d`.
-pub struct SySimShipHandle(pub ColliderHandle);
+pub struct PhysSimShipHandle(pub ColliderHandle);
 
 /// Manages the physics state of one system
 #[derive(Clone)]
-pub struct SystemSim {
+pub struct PhysSim {
 	/// The system this sim is attached to
 	_system: SystemHandle,
 
 	rigid_body_set: RigidBodySet,
 	collider_set: ColliderSet,
 
-	projectiles: HashMap<ColliderHandle, SySimProjectile>,
+	projectiles: HashMap<ColliderHandle, PhysProjectile>,
-	ships: HashMap<ColliderHandle, SySimShip>,
+	ships: HashMap<ColliderHandle, PhysSimShip>,
 	ship_behaviors: HashMap<ColliderHandle, ShipController>,
 }
 
 // Private methods
-impl<'a> SystemSim {
+impl<'a> PhysSim {
 	fn remove_projectile(
 		&mut self,
-		res: &mut StepResources,
+		res: &mut PhysStepResources,
 		c: ColliderHandle,
-	) -> Option<(RigidBody, SySimProjectile)> {
+	) -> Option<(RigidBody, PhysProjectile)> {
 		let p = match self.projectiles.remove(&c) {
 			Some(p) => p,
 			None => return None,
@@ -66,7 +67,7 @@ impl<'a> SystemSim {
 		return Some((r, p));
 	}
 
-	fn remove_ship(&mut self, res: &mut StepResources, colliderhandle: ColliderHandle) {
+	fn remove_ship(&mut self, res: &mut PhysStepResources, colliderhandle: ColliderHandle) {
 		let ship = match self.ships.get(&colliderhandle) {
 			None => return,
 			Some(s) => s,
@@ -86,7 +87,7 @@ impl<'a> SystemSim {
 
 	fn collide_projectile_ship(
 		&mut self,
-		res: &mut StepResources,
+		res: &mut PhysStepResources,
 		projectile_h: ColliderHandle,
 		ship_h: ColliderHandle,
 	) {
@@ -151,7 +152,7 @@ impl<'a> SystemSim {
 }
 
 // Public methods
-impl SystemSim {
+impl PhysSim {
 	/// Create a new physics system
 	pub fn new(_ct: &Content, system: SystemHandle) -> Self {
 		Self {
@@ -172,7 +173,7 @@ impl SystemSim {
 		faction: FactionHandle,
 		personality: ShipPersonality,
 		position: Point2<f32>,
-	) -> SySimShipHandle {
+	) -> PhysSimShipHandle {
 		let ship_content = ct.get_ship(handle);
 		let cl = ColliderBuilder::convex_decomposition(
 			&ship_content.collision.points[..],
@@ -205,10 +206,10 @@ impl SystemSim {
 
 		self.ships.insert(
 			collider,
-			SySimShip::new(ct, handle, personality, faction, ridid_body, collider),
+			PhysSimShip::new(ct, handle, personality, faction, ridid_body, collider),
 		);
 
-		return SySimShipHandle(collider);
+		return PhysSimShipHandle(collider);
 	}
 
 	/// Update a player ship's controls
@@ -229,7 +230,7 @@ impl SystemSim {
 	/// - updates ship controls (runs behaviors)
 	/// - applies ship controls
 	/// - creates projectiles
-	fn step_ships(&mut self, res: &mut StepResources) {
+	fn step_ships(&mut self, res: &mut PhysStepResources) {
 		// We can't apply these right away since self is borrowed
 		// by the iterator
 		// TODO: don't allocate!
@@ -350,7 +351,7 @@ impl SystemSim {
 
 			self.projectiles.insert(
 				collider.clone(),
-				SySimProjectile::new(
+				PhysProjectile::new(
 					outfit.projectile.clone(),
 					rigid_body,
 					ship.data.get_faction(),
@@ -361,7 +362,7 @@ impl SystemSim {
 	}
 
 	/// Step this physics system by `t` seconds
-	pub fn step(&mut self, mut res: StepResources) {
+	pub fn step(&mut self, mut res: PhysStepResources) {
 		res.timing.start_physics_ships();
 		self.step_ships(&mut res);
 		res.timing.mark_physics_ships();
@@ -441,14 +442,14 @@ impl SystemSim {
 }
 
 // Public getters
-impl SystemSim {
+impl PhysSim {
 	/// Get a ship physics object
-	pub fn get_ship(&self, ship: &SySimShipHandle) -> Option<&SySimShip> {
+	pub fn get_ship(&self, ship: &PhysSimShipHandle) -> Option<&PhysSimShip> {
 		self.ships.get(&ship.0)
 	}
 
 	/// Get a ship physics object
-	pub fn get_ship_mut(&mut self, ship: &SySimShipHandle) -> Option<&mut SySimShip> {
+	pub fn get_ship_mut(&mut self, ship: &PhysSimShipHandle) -> Option<&mut PhysSimShip> {
 		self.ships.get_mut(&ship.0)
 	}
 
@@ -463,19 +464,19 @@ impl SystemSim {
 	}
 
 	/// Iterate over all ships in this physics system
-	pub fn iter_ship_body(&self) -> impl Iterator<Item = (&SySimShip, &RigidBody)> + '_ {
+	pub fn iter_ship_body(&self) -> impl Iterator<Item = (&PhysSimShip, &RigidBody)> + '_ {
 		self.ships
 			.values()
 			.map(|x| (x, self.rigid_body_set.get(x.rigid_body).unwrap()))
 	}
 
 	/// Iterate over all ships in this physics system
-	pub fn iter_ships(&self) -> impl Iterator<Item = &SySimShip> + '_ {
+	pub fn iter_ships(&self) -> impl Iterator<Item = &PhysSimShip> + '_ {
 		self.ships.values()
 	}
 
 	/// Iterate over all ships in this physics system
-	pub fn iter_projectiles(&self) -> impl Iterator<Item = &SySimProjectile> + '_ {
+	pub fn iter_projectiles(&self) -> impl Iterator<Item = &PhysProjectile> + '_ {
 		self.projectiles.values()
 	}
 }

crates/util/src/timing.rs

@@ -48,7 +48,7 @@ impl Timing {
 		self.physics_ship_timer = Instant::now();
 	}
 
-	/// Record galaxy simulation time.
+	/// Record total frame compute time
 	pub fn mark_frame(&mut self) {
 		self.frame = self.frame_timer.elapsed();
 	}