Prevent duplicate NPC talking when using keyboard

Based on commit a1e483913672e55704e8fbafeff5ea0ccc0c9b07 from Aethyra.

3 files changed, 8 insertions, 2 deletions

diff --git a/src/gui/npc_text.cpp b/src/gui/npc_text.cpp
index db0015e9..520efad4 100644
--- a/src/gui/npc_text.cpp
+++ b/src/gui/npc_text.cpp
@@ -108,6 +108,7 @@ void NpcTextDialog::action(const gcn::ActionEvent &event)
             if (current_npc) nextDialog();
             setVisible(false);
             current_npc = 0;
+            NPC::isTalking = false;
         } else return;
     }
     else return;
diff --git a/src/npc.cpp b/src/npc.cpp
index 8fd8a86b..5132e0dc 100644
--- a/src/npc.cpp
+++ b/src/npc.cpp
@@ -34,7 +34,8 @@
 
 extern NpcTextDialog *npcTextDialog;
 
-int current_npc = NULL;
+int current_npc = 0;
+bool NPC::isTalking = false;
 
 static const int NAME_X_OFFSET = 15;
 static const int NAME_Y_OFFSET = 30;
@@ -107,7 +108,9 @@ Being::Type NPC::getType() const
 
 void NPC::talk()
 {
-    if (!this || !mNetwork) return;
+    if (isTalking || !this || !mNetwork) return;
+
+    isTalking = true;
     MessageOut outMsg(mNetwork);
     outMsg.writeInt16(CMSG_NPC_TALK);
     outMsg.writeInt32(mId);
diff --git a/src/npc.h b/src/npc.h
index ef9fdc7d..182da3e5 100644
--- a/src/npc.h
+++ b/src/npc.h
@@ -42,6 +42,8 @@ class NPC : public Player
         virtual Type getType() const;
 
         void talk();
+
+        static bool isTalking;
     protected:
         Network *mNetwork;
         void updateCoords();