From a072d8275fd677b4c82247a41a73a75147958ca3 Mon Sep 17 00:00:00 2001
From: Oleg Agafonov <jaydi85@gmail.com>
Date: Tue, 21 Jan 2020 04:44:50 +0400
Subject: [PATCH] * Target card in hands - fixed that player can stuck/freeze
 the game if it must select cards from opponent's hand (related #6209);

---
 .../src/mage/player/human/HumanPlayer.java         | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/Mage.Server.Plugins/Mage.Player.Human/src/mage/player/human/HumanPlayer.java b/Mage.Server.Plugins/Mage.Player.Human/src/mage/player/human/HumanPlayer.java
index f775e378ff6..054fca62154 100644
--- a/Mage.Server.Plugins/Mage.Player.Human/src/mage/player/human/HumanPlayer.java
+++ b/Mage.Server.Plugins/Mage.Player.Human/src/mage/player/human/HumanPlayer.java
@@ -635,7 +635,7 @@ public class HumanPlayer extends PlayerImpl {
         }
 
         // choose one or multiple cards
-        if (cards == null) {
+        if (cards == null || cards.isEmpty()) {
             return false;
         }
 
@@ -666,6 +666,11 @@ public class HumanPlayer extends PlayerImpl {
                 options.put("choosable", (Serializable) choosable);
             }
 
+            // if nothing to choose then show window (user must see non selectable items and click on any of them)
+            if (required && choosable.isEmpty()) {
+                required = false;
+            }
+
             updateGameStatePriority("choose(4)", game);
             prepareForResponse(game);
             if (!isExecutingMacro()) {
@@ -704,7 +709,7 @@ public class HumanPlayer extends PlayerImpl {
             return true;
         }
 
-        if (cards == null) {
+        if (cards == null || cards.isEmpty()) {
             return false;
         }
 
@@ -735,6 +740,11 @@ public class HumanPlayer extends PlayerImpl {
                 options.put("choosable", (Serializable) choosable);
             }
 
+            // if nothing to choose then show window (user must see non selectable items and click on any of them)
+            if (required && choosable.isEmpty()) {
+                required = false;
+            }
+
             updateGameStatePriority("chooseTarget(5)", game);
             prepareForResponse(game);
             if (!isExecutingMacro()) {