Mark cards that are not playable

Assets/Battle/BattleController.cs

@@ -27,11 +27,15 @@ public class BattleController : MonoBehaviour, IBattleEffectApplier, IBattleEffe
     private Dictionary<BattleMonster, GameObject> monsterSprites;
     private Dictionary<BattleMonster, HeroInfoUI> monsterUIs;
 
-    private bool heroTurn;
+    private BattleState state;
     private bool heroPassedTurn;
     private EnergyPool heroEnergy;
     private EnergyPool monsterEnergy;
     private InsightLevel insightLevel;
+    private HandPlayability<HeroCard> heroHandPlayability;
+
+    private delegate void BattleStateChangedAction();
+    private event BattleStateChangedAction OnBattleStateChanged;
 
     void Awake() {
         HeroId[] heroIds = new HeroId[3] {
@@ -93,6 +97,8 @@ public class BattleController : MonoBehaviour, IBattleEffectApplier, IBattleEffe
         this.heroCardDatabase = new HeroCardDatabase();
         this.monsterCardDatabase = new MonsterCardDatabase();
 
+        this.state = new BattleState();
+        
         this.heroEnergy = new EnergyPool();
         this.heroEnergyUI.Init(this.heroEnergy);
         this.heroEnergy.OnEnergyChanged += this.heroEnergyUI.NotifyEnergyChanged;
@@ -169,14 +175,18 @@ public class BattleController : MonoBehaviour, IBattleEffectApplier, IBattleEffe
             this.monsterCardDatabase, mCardIds.Cast<int>().ToArray(), mCardOwners);
 
         this.playArea = new PlayArea();
+        this.heroHandPlayability = new HandPlayability<HeroCard>(
+            this.state, this.heroEnergy, TeamChoice.Heroes, this.heroDeck);
 
         this.battlePlayerControls.Init(
-            this.heroDeck, this.monsterDeck, this.playArea, this.insightLevel);
+            this.heroDeck, this.monsterDeck, this.playArea, this.insightLevel,
+            this.heroHandPlayability);
         this.battlePlayerControls.OnCardUsed += this.NotifyHeroCardUsed;
         this.battlePlayerControls.OnTurnPassed += this.NotifyHeroTurnPassed;
         this.insightLevel.OnChanged += this.battlePlayerControls.NotifyInsightLevelChanged;
         this.heroDeck.OnHandPileChanged += this.battlePlayerControls.NotifyHeroHandPileChanged;
         this.monsterDeck.OnHandPileChanged += this.battlePlayerControls.NotifyMonsterHandPileChanged;
+        this.OnBattleStateChanged += this.heroHandPlayability.NotifyBattleStateChanged;
     }
 
     private void PositionSprite(TeamChoice team, GameObject sprite, int i) {
@@ -214,7 +224,7 @@ public class BattleController : MonoBehaviour, IBattleEffectApplier, IBattleEffe
     }
 
     private IEnumerator RunBattleRound() {
-        this.heroTurn = true;
+        this.state.HeroTurn = true;
         
         this.damageTriggers.RemoveAll(t => t.Expiration == TriggerExpiration.StartOfNextHeroTurn);
 
@@ -225,12 +235,13 @@ public class BattleController : MonoBehaviour, IBattleEffectApplier, IBattleEffe
 
         yield return RunHeroTurn();
 
-        this.heroTurn = false;
+        this.state.HeroTurn = false;
         yield return RunMonsterTurn();
     }
 
     private IEnumerator RunHeroTurn() {
         // Start of hero turn
+        OnBattleStateChanged();
 
         // TODO: Play emotions from hand
         if (this.heroEnergy.MaxEnergy < 9) {
@@ -239,6 +250,7 @@ public class BattleController : MonoBehaviour, IBattleEffectApplier, IBattleEffe
         foreach (BattleHero hero in this.heroes) {
             hero.ResetBlock();
         }
+        OnBattleStateChanged();
 
         // Heroes act until they pass
         while (!this.heroPassedTurn) {
@@ -251,9 +263,11 @@ public class BattleController : MonoBehaviour, IBattleEffectApplier, IBattleEffe
         foreach (BattleHero hero in this.heroes) {
             hero.TickStatuses();
         }
+        OnBattleStateChanged();
     }
 
     private IEnumerator RunMonsterTurn() {
+        OnBattleStateChanged();
         yield return new WaitForSeconds(0.5f);
         
         // Start of monster turn
@@ -263,6 +277,7 @@ public class BattleController : MonoBehaviour, IBattleEffectApplier, IBattleEffe
         foreach (BattleMonster monster in this.monsters) {
             monster.ResetBlock();
         }
+        OnBattleStateChanged();
 
         // Monsters act until they pass
         List<MonsterCard> monsterHand = this.monsterDeck.GetHandPile();
@@ -270,6 +285,7 @@ public class BattleController : MonoBehaviour, IBattleEffectApplier, IBattleEffe
             MonsterCard monsterCard = monsterHand[i];
             if (CanUseMonsterCard(monsterCard)) {
                 yield return UseMonsterCard(monsterCard);
+                OnBattleStateChanged();
             }
         }
 
@@ -278,6 +294,7 @@ public class BattleController : MonoBehaviour, IBattleEffectApplier, IBattleEffe
         foreach (BattleMonster monster in this.monsters) {
             monster.TickStatuses();
         }
+        OnBattleStateChanged();
     }
 
     public void NotifyHeroCardUsed(HeroCard card) {
@@ -298,6 +315,7 @@ public class BattleController : MonoBehaviour, IBattleEffectApplier, IBattleEffe
         }
 
         yield return new WaitForSeconds(0.5f);
+        OnBattleStateChanged();
         CheckState();
     }
 
@@ -316,17 +334,17 @@ public class BattleController : MonoBehaviour, IBattleEffectApplier, IBattleEffe
     }
 
     public void NotifyHeroTurnPassed() {
-        if (this.heroTurn) {
+        if (this.state.HeroTurn) {
             this.heroPassedTurn = true;
         }
     }
 
     public bool CanUseHeroCard(HeroCard card) {
-        return this.heroTurn && card.Owner.CanUseCard(card) && this.heroEnergy.CanPayForCard(card);
+        return this.heroHandPlayability.IsPlayable(card);
     }
 
     public bool CanUseMonsterCard(MonsterCard card) {
-        return !this.heroTurn && card.Owner.CanUseCard(card) && this.monsterEnergy.CanPayForCard(card);
+        return !this.state.HeroTurn && card.Owner.CanUseCard(card) && this.monsterEnergy.CanPayForCard(card);
     }
 
     public BattleDeck<HeroCard> GetHeroDeck() {

Assets/Battle/BattlePlayerControls.cs

@@ -28,15 +28,18 @@ public class BattlePlayerControls : MonoBehaviour
 
     public void Init(
             BattleDeck<HeroCard> heroDeck, BattleDeck<MonsterCard> monsterDeck, PlayArea playArea,
-            InsightLevel insightLevel) {
+            InsightLevel insightLevel, HandPlayability<HeroCard> heroHandPlayability) {
         this.heroDeck = heroDeck;
         this.monsterDeck = monsterDeck;
         this.playArea = playArea;
         this.insightLevel = insightLevel;
 
-        this.heroHandControls = new HandControls<HeroCard>(this.uiCanvas, this.cardPrefab, HandControlsPosition.Bottom, int.MaxValue);
+        this.heroHandControls = new HandControls<HeroCard>(
+            this.uiCanvas, this.cardPrefab, HandControlsPosition.Bottom, TeamChoice.Heroes,
+            int.MaxValue, heroHandPlayability);
         this.heroHandControls.OnCardClicked += OnHeroCardClicked;
-        this.monsterHandControls = new HandControls<MonsterCard>(this.uiCanvas, this.cardPrefab, HandControlsPosition.Top, 1);
+        this.monsterHandControls = new HandControls<MonsterCard>(
+            this.uiCanvas, this.cardPrefab, HandControlsPosition.Top, TeamChoice.Monsters, 1, null);
         this.monsterHandControls.OnCardClicked += OnMonsterCardClicked;
         this.cardsInPlayUIs = new Dictionary<BaseCard, GameObject>();
 

Assets/Battle/BattleState.cs

@@ -0,0 +1,21 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class BattleState
+{
+//     public delegate void BattleStateChangedAction();
+//     public event BattleStateChangedAction OnBattleStateChanged;
+    private bool heroTurn;
+
+    public bool IsTeamsTurn(TeamChoice team) {
+        if (team == TeamChoice.Heroes) {
+            return this.HeroTurn;
+        } else {
+            return !this.HeroTurn;
+        }
+    }
+
+    public bool HeroTurn {get => this.heroTurn; set => this.heroTurn = value;}
+}

Assets/Battle/BattleState.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 0a5826793e0ac0241a996d98d1a4826d
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
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Assets/Battle/HandControls.cs

@@ -20,19 +20,27 @@ public class HandControls<BaseCardT> where BaseCardT : BaseCard
 
     private List<BaseCardT> hand;
     private List<GameObject> cardsInHandUIs;
+    private TeamChoice team;
     private int insightLevel;
+    private HandPlayability<BaseCardT> playability;
 
     public HandControls(GameObject uiCanvas, GameObject cardPrefab, HandControlsPosition position,
-            int insightLevel) {
+            TeamChoice team, int insightLevel, HandPlayability<BaseCardT> playability) {
         this.uiCanvas = uiCanvas;
         this.cardPrefab = cardPrefab;
         this.position = position;
+        this.team = team;
         this.insightLevel = insightLevel;
+        this.playability = playability;
+
+        if (playability != null) {
+            playability.OnPlayabilityChanged += UpdateCardPlayability;
+        }
     }
     
     public void SetHand(List<BaseCardT> hand) {
         this.hand = hand;
-        DrawHand();
+        RenderHand();
     }
     
     private Vector3 CalculateHandCardPosition(int index, int count) {
@@ -51,11 +59,11 @@ public class HandControls<BaseCardT> where BaseCardT : BaseCard
         get => this.insightLevel;
         set {
             this.insightLevel = value;
-            DrawHand();
+            RenderHand();
         }
     }
 
-    private void DrawHand() {
+    private void RenderHand() {
         if (this.hand == null) {
             return;
         }
@@ -81,5 +89,18 @@ public class HandControls<BaseCardT> where BaseCardT : BaseCard
             int cardIndex = i;
             cardUI.GetComponent<Button>().onClick.AddListener(delegate {OnCardClicked(card);});
         }
+        UpdateCardPlayability();
+    }
+
+    private void UpdateCardPlayability() {
+        if (this.hand == null || this.playability == null) {
+            return;
+        }
+
+        for (int i = 0; i < this.hand.Count; i++) {
+            BaseCardT card = this.hand[i];
+            CardUI cardUI = this.cardsInHandUIs[i].GetComponent<CardUI>();
+            cardUI.Playable = this.playability.IsPlayable(card);
+        }
     }
 }

Assets/Battle/HandPlayability.cs

@@ -0,0 +1,58 @@
+using System.Collections;
+using System.Collections.Generic;
+using System.Linq;
+using UnityEngine;
+
+public class HandPlayability<BaseCardT> where BaseCardT : BaseCard {
+    public delegate void HandPlayabilityChangedAction();
+    public event HandPlayabilityChangedAction OnPlayabilityChanged;
+    private BattleState battleState;
+    private EnergyPool energyPool;
+    private TeamChoice team;
+    private BattleDeck<BaseCardT> deck;
+    private Dictionary<BaseCardT, bool> playable = new Dictionary<BaseCardT, bool>();
+
+    public HandPlayability(BattleState battleState, EnergyPool energyPool, TeamChoice team,
+            BattleDeck<BaseCardT> deck) {
+        this.battleState = battleState;
+        this.energyPool = energyPool;
+        this.team = team;
+        this.deck = deck;
+        deck.OnHandPileChanged += NotifyHeroHandPileChanged;
+    }
+
+    public void NotifyBattleStateChanged() {
+        UpdatePlayability();
+    }
+
+    public bool IsPlayable(BaseCardT card) {
+        bool value;
+        if (!this.playable.TryGetValue(card, out value)) {
+            Debug.Log("Card " + card.GetDisplayName() + " not playable because not in hand!");
+            return false;
+        }
+        return value;
+    }
+
+    private void TriggerOnPlayabilityChanged() {
+        if (this.OnPlayabilityChanged != null) {
+            this.OnPlayabilityChanged();
+        }
+    }
+
+    private void NotifyHeroHandPileChanged() {
+        UpdatePlayability();
+    }
+
+    private void UpdatePlayability() {
+        this.playable.Clear();
+        foreach (BaseCardT card in this.deck.GetHandPile()) {
+            this.playable[card] =
+                this.battleState.IsTeamsTurn(this.team)
+                && card.Owner.CanUseCard(card)
+                && this.energyPool.CanPayForCard(card);
+        }
+        TriggerOnPlayabilityChanged();
+
+    }
+}

Assets/Battle/HandPlayability.cs.meta

@@ -0,0 +1,11 @@
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Assets/Battle/UI/CardUI.cs

@@ -36,4 +36,8 @@ public class CardUI : MonoBehaviour
     {
         
     }
+
+    public bool Playable {
+        set {this.nameText.color = value ? Color.black : Color.red;}
+    }
 }