Core/Gossips: added some sanity checks to prevent duplicate interaction

(cherry picked from commit 8b6954e81b76f8d7c6700eaf1a8b942bebaa85a0)

Scripts: addition to 8b6954e81b76f8d7c6700eaf1a8b942bebaa85a0

Closes #16466

(cherry picked from commit b259d5c2bc41a545aad978c286f21347c0ba51a2)

3 files changed, 9 insertions, 0 deletions

diff --git a/src/server/scripts/Northrend/Ulduar/Ulduar/boss_algalon_the_observer.cpp b/src/server/scripts/Northrend/Ulduar/Ulduar/boss_algalon_the_observer.cpp
index 44686e80115..77657870320 100644
--- a/src/server/scripts/Northrend/Ulduar/Ulduar/boss_algalon_the_observer.cpp
+++ b/src/server/scripts/Northrend/Ulduar/Ulduar/boss_algalon_the_observer.cpp
@@ -979,6 +979,9 @@ class go_celestial_planetarium_access : public GameObjectScript
 
             bool GossipHello(Player* player) override
             {
+                if (go->HasFlag(GAMEOBJECT_FLAGS, GO_FLAG_IN_USE))
+                    return true;
+
                 bool hasKey = true;
                 if (LockEntry const* lock = sLockStore.LookupEntry(go->GetGOInfo()->GetLockId()))
                 {
diff --git a/src/server/scripts/Northrend/Ulduar/Ulduar/boss_flame_leviathan.cpp b/src/server/scripts/Northrend/Ulduar/Ulduar/boss_flame_leviathan.cpp
index 2907fb09186..e1c02e7ad99 100644
--- a/src/server/scripts/Northrend/Ulduar/Ulduar/boss_flame_leviathan.cpp
+++ b/src/server/scripts/Northrend/Ulduar/Ulduar/boss_flame_leviathan.cpp
@@ -1186,6 +1186,7 @@ class npc_brann_bronzebeard_ulduar_intro : public CreatureScript
             {
                 if (menuId == GOSSIP_MENU_BRANN_BRONZEBEARD && gossipListId == GOSSIP_OPTION_BRANN_BRONZEBEARD)
                 {
+                    me->RemoveFlag(UNIT_NPC_FLAGS, UNIT_NPC_FLAG_GOSSIP);
                     player->PlayerTalkClass->SendCloseGossip();
                     if (Creature* loreKeeper = _instance->GetCreature(DATA_LORE_KEEPER_OF_NORGANNON))
                         loreKeeper->RemoveFlag(UNIT_NPC_FLAGS, UNIT_NPC_FLAG_GOSSIP);
@@ -1238,6 +1239,7 @@ class npc_lorekeeper : public CreatureScript
             {
                 if (menuId == GOSSIP_MENU_LORE_KEEPER && gossipListId == GOSSIP_OPTION_LORE_KEEPER)
                 {
+                    me->RemoveFlag(UNIT_NPC_FLAGS, UNIT_NPC_FLAG_GOSSIP);
                     player->PlayerTalkClass->SendCloseGossip();
                     _instance->instance->LoadGrid(364, -16); // make sure leviathan is loaded
 
@@ -1250,6 +1252,7 @@ class npc_lorekeeper : public CreatureScript
                         {
                             if (Creature* brann = _instance->GetCreature(DATA_BRANN_BRONZEBEARD_INTRO))
                             {
+                                brann->RemoveFlag(UNIT_NPC_FLAGS, UNIT_NPC_FLAG_GOSSIP);
                                 delorah->GetMotionMaster()->MovePoint(0, brann->GetPositionX() - 4, brann->GetPositionY(), brann->GetPositionZ());
                                 /// @todo delorah->AI()->Talk(xxxx, brann->GetGUID()); when reached at branz
                             }
diff --git a/src/server/scripts/Northrend/Ulduar/Ulduar/boss_mimiron.cpp b/src/server/scripts/Northrend/Ulduar/Ulduar/boss_mimiron.cpp
index 059ec7de4e8..3378185c2a8 100644
--- a/src/server/scripts/Northrend/Ulduar/Ulduar/boss_mimiron.cpp
+++ b/src/server/scripts/Northrend/Ulduar/Ulduar/boss_mimiron.cpp
@@ -1636,6 +1636,9 @@ class go_mimiron_hardmode_button : public GameObjectScript
 
         bool OnGossipHello(Player* /*player*/, GameObject* go) override
         {
+            if (go->HasFlag(GAMEOBJECT_FLAGS, GO_FLAG_NOT_SELECTABLE))
+                return true;
+
             InstanceScript* instance = go->GetInstanceScript();
             if (!instance)
                 return false;