dungeon: add more getters and lib fns

2 files changed, 46 insertions, 0 deletions

diff --git a/dungeon/src/lib.rs b/dungeon/src/lib.rs
index 84fc339..cc15455 100644
--- a/dungeon/src/lib.rs
+++ b/dungeon/src/lib.rs
@@ -49,6 +49,30 @@ impl Dungeon {
 
 		Self { player, floor }
 	}
+
+	/// Returns a reference to the player
+	#[must_use]
+	pub fn player(&self) -> &Entity {
+		&self.player
+	}
+
+	/// Returns a mutable reference to the player
+	#[must_use]
+	pub fn player_mut(&mut self) -> &mut Entity {
+		&mut self.player
+	}
+
+	/// Returns a reference to the current floor
+	#[must_use]
+	pub fn floor(&self) -> &Floor {
+		&self.floor
+	}
+
+	/// Returns a mutable reference to the current floor
+	#[must_use]
+	pub fn floor_mut(&mut self) -> &mut Floor {
+		&mut self.floor
+	}
 }
 
 impl Default for Dungeon {
diff --git a/dungeon/src/pos.rs b/dungeon/src/pos.rs
index 8695d0b..a1de65e 100644
--- a/dungeon/src/pos.rs
+++ b/dungeon/src/pos.rs
@@ -188,6 +188,28 @@ impl Pos {
 		}
 	}
 
+	/// Computes the absolute difference between to positions
+	///
+	/// Both values are gurenteed to be less than MAP_SIZE
+	///
+	/// # Examples
+	///
+	/// ```
+	/// use dungeon::Pos;
+	///
+	/// let pos1 = Pos::new(2,7).unwrap();
+	/// let pos2 = Pos::new(1,17).unwrap();
+	/// let diff = pos1.abs_diff(pos2);
+	/// assert_eq!(diff.xy(), (1, 10));
+	/// ```
+	///
+	#[must_use]
+	pub const fn abs_diff(self, other: Self) -> Self {
+		let x = self.0.abs_diff(other.0);
+		let y = self.1.abs_diff(other.1);
+		Self(x, y)
+	}
+
 	/// Returns of the given position is on the border of the map
 	///
 	/// ```