Core/SAI: Add SMART_ACTION_SEND_GOSSIP_MENU.

It allows the scripter to change the gossip (and gossip menu option) of a creature with SAI
Param1 = `gossip_menu`.`entry`
Param2 = `gossip_menu_option`.`id`

src/server/game/AI/SmartScripts/SmartScript.cpp

@@ -32,6 +32,7 @@
 #include "SmartAI.h"
 #include "Group.h"
 #include "Vehicle.h"
+#include "ScriptedGossip.h"
 
 SmartScript::SmartScript()
 {
@@ -1323,7 +1324,7 @@ void SmartScript::ProcessAction(SmartScriptHolder& e, Unit* unit, uint32 var0, u
                 if (IsCreature(*itr))
                     (*itr)->ToCreature()->Respawn();
                 else if (IsGameObject(*itr))
-                    (*itr)->ToGameObject()->SetRespawnTime(e.action.RespawnTarget.GoRespawnTime);
+                    (*itr)->ToGameObject()->SetRespawnTime(e.action.RespawnTarget.goRespawnTime);
             }
 
             delete targets;
@@ -1784,6 +1785,29 @@ void SmartScript::ProcessAction(SmartScriptHolder& e, Unit* unit, uint32 var0, u
             me->GetMotionMaster()->MoveJump(e.target.x, e.target.y, e.target.z, (float)e.action.jump.speedxy, (float)e.action.jump.speedz);
             break;
         }
+        case SMART_ACTION_SEND_GOSSIP_MENU:
+        {
+            sLog->outDebug(LOG_FILTER_DATABASE_AI, "SmartScript::ProcessAction:: SMART_ACTION_SEND_GOSSIP_MENU: gossipMenuId %d, gossip_option_id %d",
+                e.action.sendGossipMenu.gossipMenuId, e.action.sendGossipMenu.gossipOptionId);
+
+            ObjectList* targets = GetTargets(e, unit);
+            if (!targets)
+                return;
+
+            for (ObjectList::const_iterator itr = targets->begin(); itr != targets->end(); ++itr)
+                if(Player* player = (*itr)->ToPlayer())
+                {
+                    if (e.action.sendGossipMenu.gossipMenuId)
+                        player->PrepareGossipMenu(GetBaseObject(), e.action.sendGossipMenu.gossipMenuId, true);
+                    else
+                        player->PlayerTalkClass->ClearMenus();
+
+                    player->SEND_GOSSIP_MENU(e.action.sendGossipMenu.gossipOptionId, GetBaseObject()->GetGUID());
+                }
+
+            delete targets;
+            break;
+        }
         default:
             sLog->outErrorDb("SmartScript::ProcessAction: Unhandled Action type %u", e.GetActionType());
             break;

src/server/game/AI/SmartScripts/SmartScriptMgr.cpp

@@ -775,6 +775,7 @@ bool SmartAIMgr::IsEventValid(SmartScriptHolder& e)
         case SMART_ACTION_ADD_DYNAMIC_FLAG:
         case SMART_ACTION_REMOVE_DYNAMIC_FLAG:
         case SMART_ACTION_JUMP_TO_POS:
+        case SMART_ACTION_SEND_GOSSIP_MENU:
             break;
         default:
             sLog->outErrorDb("SmartAIMgr: Not handled action_type(%u), event_type(%u), Entry %d SourceType %u Event %u, skipped.", e.GetActionType(), e.GetEventType(), e.entryOrGuid, e.GetScriptType(), e.event_id);

src/server/game/AI/SmartScripts/SmartScriptMgr.h

@@ -450,18 +450,15 @@ enum SMART_ACTION
     SMART_ACTION_CALL_RANDOM_TIMED_ACTIONLIST       = 87,     // script9 ids 1-9
     SMART_ACTION_CALL_RANDOM_RANGE_TIMED_ACTIONLIST = 88,     // script9 id min, max
     SMART_ACTION_RANDOM_MOVE                        = 89,     // maxDist
-
     SMART_ACTION_SET_UNIT_FIELD_BYTES_1             = 90,     // bytes, target
     SMART_ACTION_REMOVE_UNIT_FIELD_BYTES_1          = 91,     // bytes, target
-
     SMART_ACTION_INTERRUPT_SPELL                    = 92,
-
     SMART_ACTION_SEND_GO_CUSTOM_ANIM                = 93,     // anim id
-
     SMART_ACTION_SET_DYNAMIC_FLAG                   = 94,     // Flags
     SMART_ACTION_ADD_DYNAMIC_FLAG                   = 95,     // Flags
     SMART_ACTION_REMOVE_DYNAMIC_FLAG                = 96,     // Flags
     SMART_ACTION_JUMP_TO_POS                        = 97,     // speedXY, speedZ, targetX, targetY, targetZ
+    SMART_ACTION_SEND_GOSSIP_MENU                   = 98,     // menuId, optionId
 
     SMART_ACTION_END                                = 98,
 };
@@ -859,8 +856,14 @@ struct SmartAction
 
         struct
         {
-            uint32 GoRespawnTime;
+            uint32 goRespawnTime;
         } RespawnTarget;
+        
+        struct
+        {
+            uint32 gossipMenuId;
+            uint32 gossipOptionId;
+        } sendGossipMenu;
 
         struct
         {