Gossip Npc Summon Player's Group by QQrofl/Tommy

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#include "ScriptPCH.h"
#include "Group.h"

class npc_summon_gossip : public CreatureScript
{
   public:
       npc_summon_gossip() : CreatureScript("npc_summon_gossip") { }

       bool OnGossipHello(Player * player, Creature * creature)
       {
           player->ADD_GOSSIP_ITEM(GOSSIP_ICON_CHAT, "Summon Group", GOSSIP_SENDER_MAIN, GOSSIP_ACTION_INFO_DEF+1);
           player->ADD_GOSSIP_ITEM(GOSSIP_ICON_CHAT, "Nevermind", GOSSIP_SENDER_MAIN, GOSSIP_ACTION_INFO_DEF+2);
           player->SEND_GOSSIP_MENU(1, creature->GetGUID());
           return true;
       }

       bool OnGossipSelect(Player * player, Creature * creature, uint32 sender, uint32 actions)
       {
           if(sender == GOSSIP_SENDER_MAIN)
           {
               switch(actions)
               {
                  case GOSSIP_ACTION_INFO_DEF+1:
                  {
                       Group * group = player->GetGroup();
                       if(!group) // If the player isn't in a group
                       {
                           player->MonsterWhisper("You aren't in a group!", player->GetGUID());
                           player->PlayerTalkClass->SendCloseGossip(); // Closing the gossip menu
                           return false;
                       }

                       if(group->IsLeader(player->GetGUID())) // If the current player is this group's leader
                       {
                           for (GroupReference* itr = group->GetFirstMember(); itr != NULL; itr = itr->next())
                           {
                               Player * plr = itr->getSource();

                               if (!plr || !plr->GetSession())
                                   continue;

                               if (plr->IsBeingTeleported()) // If is being teleported..
                                   continue;

                               if (plr->isInFlight()) // Is the player in flight?
                               {
                                    plr->GetMotionMaster()->MovementExpired();
                                    plr->CleanupAfterTaxiFlight();
                               }
                               else
                                   plr->SaveRecallPosition();

                               plr->TeleportTo(player->GetMapId(), player->GetPositionX(), player->GetPositionY(), player->GetPositionZ(), player->GetOrientation());
                           }
                       }
                       else
                       {
                           player->MonsterWhisper("You aren't the leader of this group!", player->GetGUID());
                           player->PlayerTalkClass->SendCloseGossip();
                       }
                  }break;

                  case GOSSIP_ACTION_INFO_DEF+2:
                      player->PlayerTalkClass->SendCloseGossip();
                  break;
               }
           }
           return true;
       }
};

void AddSC_summon_setup()
{
    new npc_summon_gossip;
}