BattleSprites now observes hero and monster positions

Assets/Battle/BattleState.cs

@@ -5,6 +5,9 @@ using UnityEngine;
 
 public class BattleState: MonsterViewpoint
 {
+    public delegate void Procedure();
+    public event Procedure OnHeroPositionsSet;
+    public event Procedure OnMonsterPositionsSet;
 
     private BattleHero[] heroes;
 
@@ -88,6 +91,7 @@ public class BattleState: MonsterViewpoint
                 newHeroes[newPositions[i]] = hero;
             }
             this.heroes = newHeroes;
+            TriggerOnHeroPositionsSet();
         } else {
             BattleMonster[] newMonsters = new BattleMonster[n];
             for (int i = 0; i < n; i++) {
@@ -95,9 +99,18 @@ public class BattleState: MonsterViewpoint
                 newMonsters[newPositions[i]] = monster;
             }
             this.monsters = newMonsters;
+            TriggerOnMonsterPositionsSet();
         }
     }
 
+    private void TriggerOnHeroPositionsSet() {
+        if (OnHeroPositionsSet != null) OnHeroPositionsSet();
+    }
+
+    private void TriggerOnMonsterPositionsSet() {
+        if (OnMonsterPositionsSet != null) OnMonsterPositionsSet();
+    }
+
     public BattleHero[] Heroes {get => this.heroes;}
     public BattleMonster[] Monsters {get => this.monsters;}
     public BattleClock Clock {get => this.clock;}