Added system logic

crates/gameobject/src/gamedata.rs

@@ -5,21 +5,33 @@ use crate::{
 	ship::Ship,
 	ship::{OutfitSet, ShipPersonality},
 };
-use content::ShipHandle;
 use galactica_content as content;
 
 /// Keeps track of all objects in the galaxy.
 /// This struct does NO physics, it keeps track of data exclusively.
+#[derive(Debug)]
 pub struct GameData {
-	// Universal counter.
-	// Used to create unique handles for game objects.
+	/// Universal counter.
+	/// Used to create unique handles for game objects.
 	index: u64,
+
+	/// All ships in the galaxy
 	ships: HashMap<GameShipHandle, Ship>,
+
+	/// Ships indexed by the system they're in.
+	/// A ship must always be in exactly one system.
+	system_ship_table: HashMap<content::SystemHandle, Vec<GameShipHandle>>,
+
+	/// Systems indexed by which ships they contain.
+	/// A ship must always be in exactly one system.
+	ship_system_table: HashMap<GameShipHandle, content::SystemHandle>,
 }
 
 impl GameData {
-	pub fn new() -> Self {
+	pub fn new(ct: &content::Content) -> Self {
 		Self {
+			system_ship_table: ct.iter_systems().map(|s| (s, Vec::new())).collect(),
+			ship_system_table: HashMap::new(),
 			index: 0,
 			ships: HashMap::new(),
 		}
@@ -29,19 +41,40 @@ impl GameData {
 	pub fn create_ship(
 		&mut self,
 		ct: &content::Content,
-		ship: ShipHandle,
+		ship: content::ShipHandle,
 		faction: content::FactionHandle,
 		personality: ShipPersonality,
 		outfits: OutfitSet,
+		system: &content::SystemHandle,
 	) -> GameShipHandle {
-		let handle = GameShipHandle { index: self.index };
+		let handle = GameShipHandle {
+			index: self.index,
+			content: ship,
+		};
 		self.index += 1;
-		self.ships
-			.insert(handle, Ship::new(ct, ship, faction, personality, outfits));
+
+		self.ships.insert(
+			handle,
+			Ship::new(ct, handle, ship, faction, personality, outfits),
+		);
+		self.system_ship_table.get_mut(system).unwrap().push(handle);
+		self.ship_system_table.insert(handle, *system);
+
 		return handle;
 	}
+}
 
+// Public getters
+impl GameData {
 	pub fn get_ship(&self, handle: GameShipHandle) -> Option<&Ship> {
 		self.ships.get(&handle)
 	}
+
+	pub fn get_ship_mut(&mut self, handle: GameShipHandle) -> Option<&mut Ship> {
+		self.ships.get_mut(&handle)
+	}
+
+	pub fn iter_ships(&self) -> impl Iterator<Item = &Ship> {
+		self.ships.values()
+	}
 }

crates/gameobject/src/handles.rs

@@ -1,5 +1,33 @@
+use std::hash::Hash;
+
+use galactica_content::ShipHandle;
+
 /// A lightweight representation of a ship in the galaxy
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
+#[derive(Debug, Clone, Copy)]
 pub struct GameShipHandle {
+	/// This ship's unique index
 	pub(crate) index: u64,
+
+	/// This ship's content handle
+	/// (technically redundant, but this greatly simplifies code)
+	pub(crate) content: ShipHandle,
+}
+
+impl GameShipHandle {
+	pub fn content_handle(&self) -> ShipHandle {
+		self.content
+	}
+}
+
+impl Hash for GameShipHandle {
+	fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
+		self.index.hash(state)
+	}
+}
+
+impl Eq for GameShipHandle {}
+impl PartialEq for GameShipHandle {
+	fn eq(&self, other: &Self) -> bool {
+		self.index.eq(&other.index)
+	}
 }

crates/gameobject/src/projectile.rs

@@ -1,20 +0,0 @@
-use galactica_content as content;
-
-// TODO: remove. projectiles only exist in physics
-
-#[derive(Debug)]
-pub struct Projectile {
-	pub content: content::Projectile,
-	pub lifetime: f32,
-	pub faction: content::FactionHandle,
-}
-
-impl Projectile {
-	pub fn tick(&mut self, t: f32) {
-		self.lifetime -= t;
-	}
-
-	pub fn is_expired(&self) -> bool {
-		return self.lifetime < 0.0;
-	}
-}

crates/gameobject/src/ship/outfitset.rs

@@ -29,7 +29,7 @@ pub enum OutfitRemoveResult {
 }
 
 /// A simple data class, used to keep track of delayed shield generators
-#[derive(Debug)]
+#[derive(Debug, Clone)]
 pub(crate) struct ShieldGenerator {
 	pub outfit: OutfitHandle,
 	pub delay: f32,
@@ -37,7 +37,7 @@ pub(crate) struct ShieldGenerator {
 }
 
 /// This struct keeps track of a ship's outfit loadout.
-#[derive(Debug)]
+#[derive(Debug, Clone)]
 pub struct OutfitSet {
 	/// What outfits does this statsum contain?
 	outfits: HashMap<OutfitHandle, u32>,

crates/gameobject/src/ship/ship.rs

@@ -1,11 +1,14 @@
 use std::time::Instant;
 
+use crate::GameShipHandle;
+
 use super::{OutfitSet, ShipPersonality};
 use galactica_content as content;
 
 #[derive(Debug)]
 pub struct Ship {
 	// Metadata values
+	handle: GameShipHandle,
 	ct_handle: content::ShipHandle,
 	faction: content::FactionHandle,
 	outfits: OutfitSet,
@@ -25,6 +28,7 @@ pub struct Ship {
 impl Ship {
 	pub(crate) fn new(
 		ct: &content::Content,
+		handle: GameShipHandle,
 		ct_handle: content::ShipHandle,
 		faction: content::FactionHandle,
 		personality: ShipPersonality,
@@ -33,6 +37,7 @@ impl Ship {
 		let s = ct.get_ship(ct_handle);
 		let shields = outfits.get_shield_strength();
 		Ship {
+			handle,
 			ct_handle,
 			faction,
 			outfits,
@@ -84,10 +89,20 @@ impl Ship {
 
 // Misc getters, so internal state is untouchable
 impl Ship {
+	/// Get a handle to this ship game object
+	pub fn get_handle(&self) -> GameShipHandle {
+		self.handle
+	}
+
+	/// Get a handle to this ship's content
+	pub fn get_content(&self) -> content::ShipHandle {
+		self.ct_handle
+	}
+
 	/// Get this ship's current hull.
 	/// Use content handle to get maximum hull
 	pub fn get_hull(&self) -> f32 {
-		return self.hull;
+		self.hull
 	}
 
 	/// Get this ship's current shields.