Minor edits

crates/galactica/src/main.rs

@@ -15,6 +15,7 @@ use log4rs::{
 	Config,
 };
 use std::{
+	cell::RefCell,
 	fs,
 	path::{Path, PathBuf},
 	sync::Arc,
@@ -127,7 +128,7 @@ fn try_main() -> Result<()> {
 		current_time: game.get_current_time(),
 		ct: content.clone(),
 		phys_img: PhysImage::new(),
-		player: PlayerAgent::new(&content, p.0),
+		player: RefCell::new(PlayerAgent::new(&content, p.0)),
 		// TODO: this is a hack for testing.
 		current_system: content.systems.values().next().unwrap().clone(),
 		timing: game.get_timing().clone(),
@@ -184,13 +185,13 @@ fn try_main() -> Result<()> {
 							},
 						)
 						.unwrap();
-					game.apply_directive(directive, &input.player);
+					game.apply_directive(directive, &mut input.player.borrow_mut());
 				}
 				WindowEvent::CursorMoved { position, .. } => {
 					let directive = gpu
 						.process_input(&input, InputEvent::MouseMove(position.cast()))
 						.unwrap();
-					game.apply_directive(directive, &input.player);
+					game.apply_directive(directive, &mut input.player.borrow_mut());
 				}
 				WindowEvent::MouseInput { state, button, .. } => {
 					let down = state == &ElementState::Pressed;
@@ -201,7 +202,7 @@ fn try_main() -> Result<()> {
 					};
 					if let Some(event) = event {
 						let directive = gpu.process_input(&input, event).unwrap();
-						game.apply_directive(directive, &input.player);
+						game.apply_directive(directive, &mut input.player.borrow_mut());
 					}
 				}
 				WindowEvent::MouseWheel { delta, .. } => {
@@ -214,7 +215,7 @@ fn try_main() -> Result<()> {
 							}),
 						)
 						.unwrap();
-					game.apply_directive(directive, &input.player);
+					game.apply_directive(directive, &mut input.player.borrow_mut());
 				}
 				WindowEvent::Resized(_) => {
 					gpu.resize(&content);

crates/playeragent/src/playeragent.rs

@@ -29,13 +29,17 @@ pub struct PlayerAgent {
 	/// Which ship this player is controlling
 	pub ship: Option<ColliderHandle>,
 
-	/// What the player has selected
+	/// What this player has selected
 	pub selection: PlayerSelection,
+
+	/// The amount of money this player has
+	pub credits: u32,
 }
 
 impl PlayerAgent {
 	pub fn new(ct: &Content, ship: ColliderHandle) -> Self {
 		Self {
+			credits: 1000,
 			ship: Some(ship),
 			selection: PlayerSelection::OrbitingBody(
 				ct.systems

crates/render/src/gpustate.rs

@@ -287,7 +287,7 @@ impl GPUState {
 
 	/// Main render function. Draws sprites on a window.
 	pub fn render(&mut self, input: &Arc<RenderInput>) -> Result<(), wgpu::SurfaceError> {
-		if let Some(ship) = input.player.ship {
+		if let Some(ship) = input.player.borrow().ship {
 			let o = input.phys_img.get_ship(&PhysSimShipHandle(ship));
 			if let Some(o) = o {
 				match o.ship.get_data().get_state() {

crates/render/src/renderinput.rs

@@ -1,4 +1,4 @@
-use std::sync::Arc;
+use std::{cell::RefCell, sync::Arc};
 
 use galactica_content::{Content, System};
 use galactica_playeragent::PlayerAgent;
@@ -9,7 +9,7 @@ use galactica_util::timing::Timing;
 #[derive(Debug)]
 pub struct RenderInput {
 	/// Player ship data
-	pub player: PlayerAgent,
+	pub player: RefCell<PlayerAgent>,
 
 	/// The system we're currently in
 	pub current_system: Arc<System>,

crates/render/src/ui/executor.rs

@@ -301,7 +301,7 @@ impl UiScriptExecutor {
 
 		// Send player state change events
 		if {
-			let player = input.player.ship;
+			let player = input.player.borrow().ship;
 			if let Some(player) = player {
 				let ship = input.phys_img.get_ship(&PhysSimShipHandle(player)).unwrap();
 				if self.last_player_state == 0

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

@@ -104,6 +104,7 @@ impl OutfitSet {
 				if outfit.is_none() {
 					*outfit = Some(o.clone());
 					added = true;
+					break;
 				}
 			}
 			if !added {
@@ -112,14 +113,15 @@ impl OutfitSet {
 		}
 
 		self.used_space += o.space;
-
 		self.stats.add(&o.stats);
 
+		if o.stats.shield_generation != 0.0 {
 			self.shield_generators.push(ShieldGenerator {
 				outfit: o.clone(),
 				delay: o.stats.shield_delay,
 				generation: o.stats.shield_generation,
 			});
+		}
 
 		if self.outfits.contains_key(&o.index) {
 			self.outfits.get_mut(&o.index).unwrap().1 += 1;
@@ -133,26 +135,32 @@ impl OutfitSet {
 	pub(super) fn remove(&mut self, o: &Arc<Outfit>) -> OutfitRemoveResult {
 		if !self.outfits.contains_key(&o.index) {
 			return OutfitRemoveResult::NotExist;
-		} else {
+		}
+
 		let n = self.outfits.get_mut(&o.index).unwrap();
 		if n.1 == 1u32 {
 			self.outfits.remove(&o.index);
 		} else {
 			self.outfits.get_mut(&o.index).unwrap().1 -= 1;
 		}
+
+		if o.gun.is_some() {
+			let (_, x) = self
+				.gun_points
+				.iter_mut()
+				.find(|(_, x)| x.is_some() && x.as_ref().unwrap().index == o.index)
+				.unwrap();
+			*x = None;
 		}
 
 		self.used_space -= o.space;
-
 		self.stats.subtract(&o.stats);
 
-		{
-			// This index will exist, since we checked the hashmap
 		let index = self
 			.shield_generators
 			.iter()
-				.position(|g| g.outfit.index == o.index)
-				.unwrap();
+			.position(|g| g.outfit.index == o.index);
+		if let Some(index) = index {
 			self.shield_generators.remove(index);
 		}
 
@@ -198,6 +206,29 @@ impl OutfitSet {
 		&self.used_space
 	}
 
+	/// Number of available (used & free) gun points
+	pub fn total_gun_points(&self) -> usize {
+		self.gun_points.len()
+	}
+
+	/// Number of free gun points
+	pub fn free_gun_points(&self) -> usize {
+		self.iter_gun_points().filter(|(_, o)| o.is_none()).count()
+	}
+
+	/// Does this set contain `count` of `outfit`?
+	pub fn has_outfit(&self, outfit: &Arc<Outfit>, mut count: u32) -> bool {
+		for i in self.iter_outfits() {
+			if count <= 0 {
+				return true;
+			}
+			if i.0.index == outfit.index {
+				count -= 1;
+			}
+		}
+		return count <= 0;
+	}
+
 	/// Get the combined stats of all outfits in this set.
 	/// There are two things to note here:
 	/// First, shield_delay is always zero. That is handled

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

@@ -14,7 +14,7 @@ use rapier2d::{
 
 use super::{autopilot, collapse::ShipCollapseSequence, controller::ShipController, ShipControls};
 use crate::{
-	data::{ShipAutoPilot, ShipData, ShipPersonality, ShipState},
+	data::{OutfitRemoveResult, ShipAutoPilot, ShipData, ShipPersonality, ShipState},
 	phys::{
 		get_phys_id,
 		objects::{PhysEffect, PhysProjectile},
@@ -505,8 +505,8 @@ impl PhysShip {
 	}
 
 	/// Add one outfit to this ship
-	pub fn add_outfit(&mut self, o: Arc<Outfit>) {
-		self.data.add_outfit(&o);
+	pub fn add_outfit(&mut self, o: &Arc<Outfit>) {
+		self.data.add_outfit(o);
 		self.update_flares();
 	}
 
@@ -517,6 +517,13 @@ impl PhysShip {
 		}
 		self.update_flares();
 	}
+
+	/// Remove one outfit from this ship
+	pub fn remove_outfit(&mut self, o: &Arc<Outfit>) -> OutfitRemoveResult {
+		let r = self.data.remove_outfit(o);
+		self.update_flares();
+		return r;
+	}
 }
 
 /// Public immutable

crates/system/src/phys/physsim.rs

@@ -192,7 +192,7 @@ impl PhysSim {
 	}
 
 	/// Update a player ship's controls
-	pub fn apply_directive(&mut self, directive: PlayerDirective, player: &PlayerAgent) {
+	pub fn apply_directive(&mut self, directive: PlayerDirective, player: &mut PlayerAgent) {
 		if player.ship.is_none() {
 			return;
 		}