Add `Map.GetCharacters()`

Characters/NPC.cs

@@ -104,19 +104,17 @@ public partial class NPC : Character
     {
         float bestScore = float.MaxValue;
         Character bestChar = null;
-        // NOTE: this relies on all Characters being under the Entities node
-        foreach (Node node in GetParent().GetChildren())
+
+        foreach (var character in World.Instance.CurrentMap.GetCharacters())
         {
-            if (node is Character character)
-            {
-                bool isFriendly = character.Faction == Faction;
-                if (isFriendly || character.Health <= 0)
+            bool isFriendly = ((IFaction)character).AlignsWith(this);
+            if (isFriendly || !character.IsAlive)
             {
                 continue;
             }
 
             float score = 0;
-                score -= Position.DistanceTo(character.Position);
+            score += GlobalPosition.DistanceSquaredTo(character.GlobalPosition);
 
             if (score < bestScore)
             {
@@ -124,7 +122,7 @@ public partial class NPC : Character
                 bestChar = character;
             }
         }
-        }
+
         return bestChar;
     }
 
@@ -147,7 +145,7 @@ public partial class NPC : Character
                 }
 
                 float score = 0;
-                score -= Position.DistanceTo(character.Position);
+                score -= Position.DistanceSquaredTo(character.Position);
 
                 if (score < bestScore)
                 {

Scenes/Map.cs

@@ -1,5 +1,6 @@
 using Godot;
 using SupaLidlGame.Extensions;
+using System.Collections.Generic;
 
 namespace SupaLidlGame.Scenes;
 
@@ -71,6 +72,17 @@ public partial class Map : TileMap
         GetNode<Audio.AudioManager>("/root/AudioManager").PlayBackground(Music);
     }
 
+    public IEnumerable<Characters.Character> GetCharacters()
+    {
+        foreach (var child in Entities.GetChildren())
+        {
+            if (child is Characters.Character c)
+            {
+                yield return c;
+            }
+        }
+    }
+
     public Node SpawnEntity(PackedScene scene)
     {
         var instance = scene.Instantiate();