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/*
* This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "WorldSession.h"
#include "Common.h"
#include "ConditionMgr.h"
#include "Containers.h"
#include "Creature.h"
#include "DatabaseEnv.h"
#include "DB2Stores.h"
#include "FlightPathMovementGenerator.h"
#include "Log.h"
#include "MotionMaster.h"
#include "ObjectAccessor.h"
#include "ObjectMgr.h"
#include "Player.h"
#include "TaxiPackets.h"
#include "TaxiPathGraph.h"
void WorldSession::HandleEnableTaxiNodeOpcode(WorldPackets::Taxi::EnableTaxiNode& enableTaxiNode)
{
if (Creature* unit = GetPlayer()->GetNPCIfCanInteractWith(enableTaxiNode.Unit, UNIT_NPC_FLAG_FLIGHTMASTER, UNIT_NPC_FLAG_2_NONE))
SendLearnNewTaxiNode(unit);
}
void WorldSession::HandleTaxiNodeStatusQueryOpcode(WorldPackets::Taxi::TaxiNodeStatusQuery& taxiNodeStatusQuery)
{
SendTaxiStatus(taxiNodeStatusQuery.UnitGUID);
}
void WorldSession::SendTaxiStatus(ObjectGuid guid)
{
Player* const player = GetPlayer();
Creature* unit = ObjectAccessor::GetCreature(*player, guid);
if (!unit || unit->IsHostileTo(player) || !unit->HasNpcFlag(UNIT_NPC_FLAG_FLIGHTMASTER))
{
TC_LOG_DEBUG("network", "WorldSession::SendTaxiStatus - {} not found or you can't interact with him.", guid.ToString());
return;
}
// find taxi node
uint32 nearest = sObjectMgr->GetNearestTaxiNode(unit->GetPositionX(), unit->GetPositionY(), unit->GetPositionZ(), unit->GetMapId(), player->GetTeam());
WorldPackets::Taxi::TaxiNodeStatus data;
data.Unit = guid;
if (!nearest)
data.Status = TAXISTATUS_NONE;
else if (unit->GetReactionTo(GetPlayer()) >= REP_NEUTRAL)
data.Status = GetPlayer()->m_taxi.IsTaximaskNodeKnown(nearest) ? TAXISTATUS_LEARNED : TAXISTATUS_UNLEARNED;
else
data.Status = TAXISTATUS_NOT_ELIGIBLE;
SendPacket(data.Write());
}
void WorldSession::HandleTaxiQueryAvailableNodesOpcode(WorldPackets::Taxi::TaxiQueryAvailableNodes& taxiQueryAvailableNodes)
{
// cheating checks
Creature* unit = GetPlayer()->GetNPCIfCanInteractWith(taxiQueryAvailableNodes.Unit, UNIT_NPC_FLAG_FLIGHTMASTER, UNIT_NPC_FLAG_2_NONE);
if (!unit)
{
TC_LOG_DEBUG("network", "WORLD: HandleTaxiQueryAvailableNodes - {} not found or you can't interact with him.", taxiQueryAvailableNodes.Unit.ToString());
return;
}
// remove fake death
if (GetPlayer()->HasUnitState(UNIT_STATE_DIED))
GetPlayer()->RemoveAurasByType(SPELL_AURA_FEIGN_DEATH);
// unknown taxi node case
if (SendLearnNewTaxiNode(unit))
return;
// known taxi node case
SendTaxiMenu(unit);
}
void WorldSession::SendTaxiMenu(Creature* unit)
{
// find current node
uint32 curloc = sObjectMgr->GetNearestTaxiNode(unit->GetPositionX(), unit->GetPositionY(), unit->GetPositionZ(), unit->GetMapId(), GetPlayer()->GetTeam());
if (!curloc)
return;
bool lastTaxiCheaterState = GetPlayer()->isTaxiCheater();
if (unit->GetEntry() == 29480)
GetPlayer()->SetTaxiCheater(true); // Grimwing in Ebon Hold, special case. NOTE: Not perfect, Zul'Aman should not be included according to WoWhead, and I think taxicheat includes it.
TC_LOG_DEBUG("network", "WORLD: CMSG_TAXINODE_STATUS_QUERY {} ", curloc);
WorldPackets::Taxi::ShowTaxiNodes data;
data.WindowInfo.emplace();
data.WindowInfo->UnitGUID = unit->GetGUID();
data.WindowInfo->CurrentNode = curloc;
GetPlayer()->m_taxi.AppendTaximaskTo(data, lastTaxiCheaterState);
TaxiMask reachableNodes;
TaxiPathGraph::GetReachableNodesMask(sTaxiNodesStore.LookupEntry(curloc), &reachableNodes);
for (std::size_t i = 0; i < reachableNodes.size(); ++i)
{
data.CanLandNodes[i] &= reachableNodes[i];
data.CanUseNodes[i] &= reachableNodes[i];
}
SendPacket(data.Write());
GetPlayer()->SetTaxiCheater(lastTaxiCheaterState);
}
bool WorldSession::SendLearnNewTaxiNode(Creature* unit)
{
// find current node
uint32 curloc = sObjectMgr->GetNearestTaxiNode(unit->GetPositionX(), unit->GetPositionY(), unit->GetPositionZ(), unit->GetMapId(), GetPlayer()->GetTeam());
if (curloc == 0)
return true; // `true` send to avoid WorldSession::SendTaxiMenu call with one more curlock seartch with same false result.
if (GetPlayer()->m_taxi.SetTaximaskNode(curloc))
{
SendPacket(WorldPackets::Taxi::NewTaxiPath().Write());
WorldPackets::Taxi::TaxiNodeStatus data;
data.Unit = unit->GetGUID();
data.Status = TAXISTATUS_LEARNED;
SendPacket(data.Write());
GetPlayer()->UpdateCriteria(CriteriaType::LearnTaxiNode, curloc);
return true;
}
else
return false;
}
void WorldSession::SendDiscoverNewTaxiNode(uint32 nodeid)
{
if (GetPlayer()->m_taxi.SetTaximaskNode(nodeid))
SendPacket(WorldPackets::Taxi::NewTaxiPath().Write());
}
void WorldSession::HandleActivateTaxiOpcode(WorldPackets::Taxi::ActivateTaxi& activateTaxi)
{
Creature* unit = GetPlayer()->GetNPCIfCanInteractWith(activateTaxi.Vendor, UNIT_NPC_FLAG_FLIGHTMASTER, UNIT_NPC_FLAG_2_NONE);
if (!unit)
{
TC_LOG_DEBUG("network", "WORLD: HandleActivateTaxiOpcode - {} not found or you can't interact with it.", activateTaxi.Vendor.ToString());
SendActivateTaxiReply(ERR_TAXITOOFARAWAY);
return;
}
uint32 curloc = sObjectMgr->GetNearestTaxiNode(unit->GetPositionX(), unit->GetPositionY(), unit->GetPositionZ(), unit->GetMapId(), GetPlayer()->GetTeam());
if (!curloc)
return;
TaxiNodesEntry const* from = sTaxiNodesStore.LookupEntry(curloc);
TaxiNodesEntry const* to = sTaxiNodesStore.LookupEntry(activateTaxi.Node);
if (!to)
return;
if (!GetPlayer()->isTaxiCheater())
{
if (!GetPlayer()->m_taxi.IsTaximaskNodeKnown(curloc) || !GetPlayer()->m_taxi.IsTaximaskNodeKnown(activateTaxi.Node))
{
SendActivateTaxiReply(ERR_TAXINOTVISITED);
return;
}
}
uint32 preferredMountDisplay = 0;
if (MountEntry const* mount = sMountStore.LookupEntry(activateTaxi.FlyingMountID))
{
if (GetPlayer()->HasSpell(mount->SourceSpellID))
{
if (DB2Manager::MountXDisplayContainer const* mountDisplays = sDB2Manager.GetMountDisplays(mount->ID))
{
DB2Manager::MountXDisplayContainer usableDisplays;
std::copy_if(mountDisplays->begin(), mountDisplays->end(), std::back_inserter(usableDisplays), [this](MountXDisplayEntry const* mountDisplay)
{
return ConditionMgr::IsPlayerMeetingCondition(GetPlayer(), mountDisplay->PlayerConditionID);
});
if (!usableDisplays.empty())
preferredMountDisplay = Trinity::Containers::SelectRandomContainerElement(usableDisplays)->CreatureDisplayInfoID;
}
}
}
std::vector<uint32> nodes;
TaxiPathGraph::GetCompleteNodeRoute(from, to, GetPlayer(), nodes);
GetPlayer()->ActivateTaxiPathTo(nodes, unit, 0, preferredMountDisplay);
}
void WorldSession::SendActivateTaxiReply(ActivateTaxiReply reply)
{
WorldPackets::Taxi::ActivateTaxiReply data;
data.Reply = reply;
SendPacket(data.Write());
}
void WorldSession::HandleTaxiRequestEarlyLanding(WorldPackets::Taxi::TaxiRequestEarlyLanding& /*taxiRequestEarlyLanding*/)
{
if (FlightPathMovementGenerator* flight = dynamic_cast<FlightPathMovementGenerator*>(GetPlayer()->GetMotionMaster()->GetCurrentMovementGenerator()))
{
if (GetPlayer()->m_taxi.RequestEarlyLanding())
{
flight->LoadPath(GetPlayer(), flight->GetPath()[flight->GetCurrentNode()]->NodeIndex);
flight->Reset(GetPlayer());
}
}
}
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