update OnSelectChain

Game/GameAI.cs

@@ -360,7 +360,7 @@ namespace WindBot.Game
         /// <param name="forced">You can't return -1 if this param is true.</param>
         /// <param name="timing">Current hint timing</param>
         /// <returns>Index of the activated card or -1.</returns>
-        public int OnSelectChain(IList<ClientCard> cards, IList<int> descs, bool forced, int timing = -1)
+        public int OnSelectChain(IList<ClientCard> cards, IList<int> descs, IList<bool> forces, int timing = -1)
         {
             Executor.OnSelectChain(cards);
             foreach (CardExecutor exec in Executor.Executors)
@@ -375,8 +375,17 @@ namespace WindBot.Game
                     }
                 }
             }
-            // If we're forced to chain, we chain the first card. However don't do anything.
-            return forced ? 0 : -1;
+            for (int i = 0; i < forces.Count; ++i)
+            {
+                if (forces[i])
+                {
+                    // If the card is forced, we have to activate it.
+                    _dialogs.SendChaining(cards[i].Name);
+                    return i;
+                }
+            }
+            // Don't do anything.
+            return -1;
         }
         
         /// <summary>

Game/GameBehavior.cs

@@ -1172,16 +1172,19 @@ namespace WindBot.Game
             packet.ReadByte(); // player
             int count = packet.ReadByte();
             packet.ReadByte(); // specount
-            bool forced = packet.ReadByte() != 0;
             int hint1 = packet.ReadInt32(); // hint1
             int hint2 = packet.ReadInt32(); // hint2
 
+            // TODO: use ChainInfo?
             IList<ClientCard> cards = new List<ClientCard>();
             IList<int> descs = new List<int>();
+            IList<bool> forces = new List<bool>();
 
             for (int i = 0; i < count; ++i)
             {
                 packet.ReadByte(); // flag
+                bool forced = packet.ReadByte() != 0;
+
                 int id = packet.ReadInt32();
                 int con = GetLocalPlayer(packet.ReadByte());
                 int loc = packet.ReadByte();
@@ -1200,6 +1203,7 @@ namespace WindBot.Game
 
                 cards.Add(card);
                 descs.Add(desc);
+                forces.Add(forced);
             }
 
             if (cards.Count == 0)
@@ -1208,13 +1212,13 @@ namespace WindBot.Game
                 return;
             }
 
-            if (cards.Count == 1 && forced)
+            if (cards.Count == 1 && forces[0])
             {
                 Connection.Send(CtosMessage.Response, 0);
                 return;
             }
 
-            Connection.Send(CtosMessage.Response, _ai.OnSelectChain(cards, descs, forced, hint1 | hint2));
+            Connection.Send(CtosMessage.Response, _ai.OnSelectChain(cards, descs, forces, hint1 | hint2));
         }
 
         private void OnSelectCounter(BinaryReader packet)