Added utility functions

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

@@ -1,3 +1,5 @@
+use std::num::NonZeroU32;
+
 use galactica_content::SystemObjectHandle;
 use rapier2d::math::Isometry;
 
@@ -73,4 +75,66 @@ impl ShipState {
 			_ => None,
 		}
 	}
+
+	/// An integer representing each state.
+	/// Makes detecting state changes cheap and easy.
+	pub fn as_int(&self) -> NonZeroU32 {
+		NonZeroU32::new(match self {
+			Self::Dead => 1,
+			Self::Collapsing => 2,
+			Self::Flying { .. } => 3,
+			Self::Landed { .. } => 4,
+			Self::Landing { .. } => 5,
+			Self::UnLanding { .. } => 6,
+		})
+		.unwrap()
+	}
+
+	/// Is this state Dead?
+	pub fn is_dead(&self) -> bool {
+		match self {
+			Self::Dead => true,
+			_ => false,
+		}
+	}
+
+	/// Is this state Collapsing?
+	pub fn is_collapsing(&self) -> bool {
+		match self {
+			Self::Collapsing => true,
+			_ => false,
+		}
+	}
+
+	/// Is this state Flying?
+	pub fn is_flying(&self) -> bool {
+		match self {
+			Self::Flying { .. } => true,
+			_ => false,
+		}
+	}
+
+	/// Is this state Landed?
+	pub fn is_landed(&self) -> bool {
+		match self {
+			Self::Landed { .. } => true,
+			_ => false,
+		}
+	}
+
+	/// Is this state Landing?
+	pub fn is_landing(&self) -> bool {
+		match self {
+			Self::Landing { .. } => true,
+			_ => false,
+		}
+	}
+
+	/// Is this state UnLanding?
+	pub fn is_unlanding(&self) -> bool {
+		match self {
+			Self::UnLanding { .. } => true,
+			_ => false,
+		}
+	}
 }