Remove redundant resetHistory argument

apps/openmw/mwdialogue/dialoguemanagerimp.cpp

@@ -127,9 +127,6 @@ namespace MWDialogue
 
         MWGui::DialogueWindow* win = MWBase::Environment::get().getWindowManager()->getDialogueWindow();
 
-        // If the dialogue window was already open, keep the existing history
-        bool resetHistory = (!MWBase::Environment::get().getWindowManager()->containsMode(MWGui::GM_Dialogue));
-
         //greeting
         const MWWorld::Store<ESM::Dialogue> &dialogs =
             MWBase::Environment::get().getWorld()->getStore().get<ESM::Dialogue>();
@@ -145,7 +142,7 @@ namespace MWDialogue
                 {
                     //initialise the GUI
                     MWBase::Environment::get().getWindowManager()->pushGuiMode(MWGui::GM_Dialogue);
-                    win->startDialogue(actor, actor.getClass().getName (actor), resetHistory);
+                    win->startDialogue(actor, actor.getClass().getName (actor));
 
                     creatureStats.talkedToPlayer();
 

apps/openmw/mwgui/dialogue.cpp

@@ -283,6 +283,7 @@ namespace MWGui
         }
         else
         {
+            resetReference();
             MWBase::Environment::get().getDialogueManager()->goodbyeSelected();
             mTopicsList->scrollToTop();
             return true;
@@ -357,7 +358,7 @@ namespace MWGui
         }
     }
 
-    void DialogueWindow::startDialogue(MWWorld::Ptr actor, std::string npcName, bool resetHistory)
+    void DialogueWindow::startDialogue(MWWorld::Ptr actor, std::string npcName)
     {
         MWBase::Environment::get().getWindowManager()->setKeyFocusWidget(mGoodbyeButton);
 
@@ -372,7 +373,7 @@ namespace MWGui
 
         mTopicsList->clear();
 
-        if (resetHistory || !sameActor)
+        if (!sameActor)
         {
             for (std::vector<DialogueText*>::iterator it = mHistoryContents.begin(); it != mHistoryContents.end(); ++it)
                 delete (*it);

apps/openmw/mwgui/dialogue.hpp

@@ -108,7 +108,7 @@ namespace MWGui
 
         void notifyLinkClicked (TypesetBook::InteractiveId link);
 
-        void startDialogue(MWWorld::Ptr actor, std::string npcName, bool resetHistory);
+        void startDialogue(MWWorld::Ptr actor, std::string npcName);
         void setKeywords(std::list<std::string> keyWord);
 
         void addResponse (const std::string& text, const std::string& title="", bool needMargin = true);