Added gun content

assets

@@ -1 +1 @@
-Subproject commit e4972a4daff7bac077fb2d32c298e3d6af46da91
+Subproject commit 5a444ca5c63aac4b4aca4866684859c08972f9e7

content/guns.toml

@@ -0,0 +1,5 @@
+[gun."blaster"]
+projectile.sprite = "projectile::blaster"
+projectile.size = 100
+projectile.speed = 300
+projectile.lifetime = 2.0

src/content/gun.rs

@@ -0,0 +1,59 @@
+use anyhow::Result;
+
+pub(super) mod syntax {
+	use serde::Deserialize;
+	// Raw serde syntax structs.
+	// These are never seen by code outside this crate.
+
+	#[derive(Debug, Deserialize)]
+	pub struct Gun {
+		pub projectile: Projectile,
+	}
+
+	#[derive(Debug, Deserialize)]
+	pub struct Projectile {
+		pub sprite: String,
+		pub size: f32,
+		pub speed: f32,
+		pub lifetime: f32,
+	}
+}
+
+#[derive(Debug, Clone)]
+pub struct Gun {
+	pub name: String,
+	pub projectile: Projectile,
+}
+
+#[derive(Debug, Clone)]
+pub struct Projectile {
+	pub sprite: String,
+	pub size: f32,
+	pub speed: f32,
+	pub lifetime: f32,
+}
+
+impl super::Build for Gun {
+	fn build(root: &super::syntax::Root) -> Result<Vec<Self>> {
+		let gun = if let Some(gun) = &root.gun {
+			gun
+		} else {
+			return Ok(vec![]);
+		};
+
+		let mut out = Vec::new();
+		for (gun_name, gun) in gun {
+			out.push(Self {
+				name: gun_name.to_owned(),
+				projectile: Projectile {
+					sprite: gun.projectile.sprite.to_owned(),
+					size: gun.projectile.size,
+					speed: gun.projectile.speed,
+					lifetime: gun.projectile.lifetime,
+				},
+			});
+		}
+
+		return Ok(out);
+	}
+}

src/content/mod.rs

@@ -1,8 +1,10 @@
 #![allow(dead_code)]
+mod gun;
 mod ship;
 mod system;
 
-pub use ship::{Engine, Gun, Ship};
+pub use gun::{Gun, Projectile};
+pub use ship::{Engine, Ship, ShipGun};
 pub use system::{Object, System};
 
 use anyhow::{bail, Context, Result};
@@ -12,13 +14,15 @@ use toml;
 use walkdir::WalkDir;
 
 mod syntax {
-	use super::{ship, system, HashMap};
+	use super::HashMap;
+	use super::{gun, ship, system};
 	use serde::Deserialize;
 
 	#[derive(Debug, Deserialize)]
 	pub struct Root {
-		pub ship: HashMap<String, ship::syntax::Ship>,
-		pub system: HashMap<String, system::syntax::System>,
+		pub gun: Option<HashMap<String, gun::syntax::Gun>>,
+		pub ship: Option<HashMap<String, ship::syntax::Ship>>,
+		pub system: Option<HashMap<String, system::syntax::System>>,
 	}
 }
 
@@ -33,6 +37,25 @@ trait Build {
 pub struct Content {
 	pub systems: Vec<system::System>,
 	pub ships: Vec<ship::Ship>,
+	pub guns: Vec<gun::Gun>,
+}
+
+macro_rules! quick_name_dup_check {
+	($array:expr, $root:ident, $build:expr) => {{
+		let mut p = $build(&$root)?;
+		for s in &$array {
+			for o in &p {
+				if s.name == o.name {
+					bail!(
+						"Error parsing content: duplicate ship names `{}` and `{}`",
+						s.name,
+						o.name
+					)
+				}
+			}
+		}
+		$array.append(&mut p);
+	}};
 }
 
 impl Content {
@@ -44,34 +67,9 @@ impl Content {
 	}
 
 	fn add_root(&mut self, root: syntax::Root) -> Result<()> {
-		let mut p = ship::Ship::build(&root)?;
-		for s in &self.ships {
-			for o in &p {
-				if s.name == o.name {
-					bail!(
-						"Error parsing content: duplicate ship names {} and {}",
-						s.name,
-						o.name
-					)
-				}
-			}
-		}
-		self.ships.append(&mut p);
-
-		let mut p = system::System::build(&root)?;
-		for s in &self.systems {
-			for o in &p {
-				if s.name == o.name {
-					bail!(
-						"Error parsing content: duplicate system names {} and {}",
-						s.name,
-						o.name
-					)
-				}
-			}
-		}
-		self.systems.append(&mut p);
-
+		quick_name_dup_check!(self.systems, root, system::System::build);
+		quick_name_dup_check!(self.guns, root, gun::Gun::build);
+		quick_name_dup_check!(self.ships, root, ship::Ship::build);
 		return Ok(());
 	}
 
@@ -79,6 +77,7 @@ impl Content {
 		let mut content = Self {
 			systems: Vec::new(),
 			ships: Vec::new(),
+			guns: Vec::new(),
 		};
 
 		for e in WalkDir::new(path).into_iter().filter_map(|e| e.ok()) {

src/content/ship.rs

@@ -37,7 +37,7 @@ pub struct Ship {
 	pub sprite: String,
 	pub size: f32,
 	pub engines: Vec<Engine>,
-	pub guns: Vec<Gun>,
+	pub guns: Vec<ShipGun>,
 }
 
 #[derive(Debug, Clone)]
@@ -47,7 +47,7 @@ pub struct Engine {
 }
 
 #[derive(Debug, Clone)]
-pub struct Gun {
+pub struct ShipGun {
 	pub pos: Point2<f32>,
 	pub cooldown: f32,
 	pub active_cooldown: f32,
@@ -55,8 +55,14 @@ pub struct Gun {
 
 impl super::Build for Ship {
 	fn build(root: &super::syntax::Root) -> Result<Vec<Self>> {
+		let ship = if let Some(ship) = &root.ship {
+			ship
+		} else {
+			return Ok(vec![]);
+		};
+
 		let mut out = Vec::new();
-		for (ship_name, ship) in &root.ship {
+		for (ship_name, ship) in ship {
 			out.push(Self {
 				name: ship_name.to_owned(),
 				sprite: ship.sprite.to_owned(),
@@ -72,7 +78,7 @@ impl super::Build for Ship {
 				guns: ship
 					.guns
 					.iter()
-					.map(|e| Gun {
+					.map(|e| ShipGun {
 						pos: Point2 { x: e.x, y: e.y },
 						cooldown: 0.2,
 						active_cooldown: 0.0,

src/content/system.rs

@@ -157,9 +157,14 @@ fn resolve_position(
 
 impl super::Build for System {
 	fn build(root: &super::syntax::Root) -> Result<Vec<Self>> {
-		let mut out = Vec::new();
+		let system = if let Some(system) = &root.system {
+			system
+		} else {
+			return Ok(vec![]);
+		};
 
-		for (system_name, system) in &root.system {
+		let mut out = Vec::new();
+		for (system_name, system) in system {
 			let mut objects = Vec::new();
 
 			for (label, obj) in &system.object {