Implement OilOfSharpness

Assets/Battle/DefaultsManager.cs

@@ -0,0 +1,42 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class DefaultsManager
+{
+    public delegate IEnumerator UseDefaultAction(DefaultHeroCard card);
+
+    private Dictionary<BattleHero, DefaultHeroCard> mHeroDefaults = new Dictionary<BattleHero, DefaultHeroCard>();
+
+    public DefaultsManager() {
+    }
+
+    public DefaultHeroCard Setup(DefaultEffect effect) {
+        DefaultHeroCard newCard = effect.Card;
+        DefaultHeroCard previousCard = null;
+        BattleHero heroOwner = (BattleHero) newCard.Owner;
+        mHeroDefaults.TryGetValue(heroOwner, out previousCard);
+
+        mHeroDefaults[heroOwner] = newCard;
+
+        return previousCard;
+    }
+
+    public IEnumerator UseHeroDefaults(
+            BattleHero[] heroes, ParticipantActivity activity,
+            UseDefaultAction usedDefaultAction) {
+        foreach (BattleHero hero in heroes) {
+            if (hero == null) {
+                continue;
+            }
+            
+            if (activity.GetNonEmotionCardsUsedThisRound(hero) == 0) {
+                DefaultHeroCard defaultCard;
+                mHeroDefaults.TryGetValue(hero, out defaultCard);
+                if (defaultCard != null) {
+                    yield return usedDefaultAction(defaultCard);
+                }
+            }
+        }
+    }
+}