Vignette.cpp

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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 "Vignette.h"
#include "CellImpl.h"
#include "DB2Stores.h"
#include "GridNotifiersImpl.h"
#include "VignettePackets.h"
 
namespace Vignettes
{
namespace
{
void UpdatePosition(VignetteData& vignette, WorldObject const* owner)
{
 vignette.Position = owner->GetPosition();
 if (WmoLocation const* wmoLocation = owner->GetCurrentWmo())
 {
 vignette.WMOGroupID = wmoLocation->GroupId;
 vignette.WMODoodadPlacementID = wmoLocation->UniqueId;
 }
}
 
template<WorldPackets::Vignette::VignetteDataSet WorldPackets::Vignette::VignetteUpdate::* Field>
void SendVignetteUpdate(VignetteData const& vignette, WorldObject const* owner)
{
 if (!owner->IsInWorld())
 return;
 
 WorldPackets::Vignette::VignetteUpdate vignetteUpdate;
 vignette.FillPacket(vignetteUpdate.*Field);
 vignetteUpdate.Write();
 
 auto sender = [&](Player const* receiver)
 {
 if (CanSee(receiver, vignette))
 receiver->SendDirectMessage(vignetteUpdate.GetRawPacket());
 };
 
 Trinity::MessageDistDeliverer notifier(owner, sender, owner->GetVisibilityRange());
 Cell::VisitWorldObjects(owner, notifier, owner->GetVisibilityRange());
}
}
 
void VignetteData::FillPacket(WorldPackets::Vignette::VignetteDataSet& dataSet) const
{
 dataSet.IDs.push_back(Guid);
 
 WorldPackets::Vignette::VignetteData& data = dataSet.Data.emplace_back();
 data.ObjGUID = Object;
 data.Position = Position;
 data.VignetteID = Data->ID;
 data.ZoneID = ZoneID;
 data.WMOGroupID = WMOGroupID;
 data.WMODoodadPlacementID = WMODoodadPlacementID;
}
 
std::unique_ptr<VignetteData> Create(VignetteEntry const* vignetteData, WorldObject const* owner)
{
 std::unique_ptr<VignetteData> vignette = std::make_unique<VignetteData>();
 vignette->Guid = ObjectGuid::Create<HighGuid::Vignette>(owner->GetMapId(), vignetteData->ID, owner->GetMap()->GenerateLowGuid<HighGuid::Vignette>());
 vignette->Object = owner->GetGUID();
 vignette->Position = owner->GetPosition();
 vignette->Data = vignetteData;
 vignette->ZoneID = owner->GetZoneId(); // not updateable
 UpdatePosition(*vignette, owner);
 
 if (vignetteData->IsInfiniteAOI())
 owner->GetMap()->AddInfiniteAOIVignette(vignette.get());
 else
 SendVignetteUpdate<&WorldPackets::Vignette::VignetteUpdate::Added>(*vignette, owner);
 
 return vignette;
}
 
void Update(VignetteData& vignette, WorldObject const* owner)
{
 UpdatePosition(vignette, owner);
 
 if (vignette.Data->IsInfiniteAOI())
 vignette.NeedUpdate = true;
 else
 SendVignetteUpdate<&WorldPackets::Vignette::VignetteUpdate::Updated>(vignette, owner);
}
 
void Remove(VignetteData& vignette, WorldObject const* owner)
{
 if (vignette.Data->IsInfiniteAOI())
 owner->GetMap()->RemoveInfiniteAOIVignette(&vignette);
 else
 {
 WorldPackets::Vignette::VignetteUpdate vignetteUpdate;
 vignetteUpdate.Removed.push_back(vignette.Guid);
 owner->SendMessageToSet(vignetteUpdate.Write(), true);
 }
}
 
bool CanSee(Player const* player, VignetteData const& vignette)
{
 if (vignette.Data->GetFlags().HasFlag(VignetteFlags::ZoneInfiniteAOI))
 if (vignette.ZoneID != player->GetZoneId())
 return false;
 
 if (vignette.Data->VisibleTrackingQuestID)
 if (player->IsQuestRewarded(vignette.Data->VisibleTrackingQuestID))
 return false;
 
 if (PlayerConditionEntry const* playerCondition = sPlayerConditionStore.LookupEntry(vignette.Data->PlayerConditionID))
 if (!ConditionMgr::IsPlayerMeetingCondition(player, playerCondition))
 return false;
 
 return true;
}
}