WaypointManager.h

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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/>.
 */
 
#ifndef TRINITY_WAYPOINTMANAGER_H
#define TRINITY_WAYPOINTMANAGER_H
 
#include "Define.h"
#include "Field.h"
#include "Hash.h"
#include "ObjectGuid.h"
#include "Position.h"
#include "WaypointDefines.h"
#include <unordered_map>
 
class Unit;
 
class TC_GAME_API WaypointMgr
{
 public:
 static WaypointMgr* instance();
 
 // Attempts to reload a single path from database
 void ReloadPath(uint32 pathId);
 
 // Loads all paths from database, should only run on startup
 void LoadPaths();
 void LoadPathFromDB(Field* fields);
 void LoadPathNodesFromDB(Field* fields);
 void DoPostLoadingChecks();
 
 void VisualizePath(Unit* owner, WaypointPath const* path, Optional<uint32> displayId);
 void DevisualizePath(Unit* owner, WaypointPath const* path);
 
 void MoveNode(WaypointPath const* path, WaypointNode const* node, Position const& pos);
 void DeleteNode(WaypointPath const* path, WaypointNode const* node);
 void DeleteNode(uint32 pathId, uint32 nodeId);
 
 WaypointPath const* GetPath(uint32 pathId) const;
 WaypointNode const* GetNode(WaypointPath const* path, uint32 nodeId) const;
 WaypointNode const* GetNode(uint32 pathId, uint32 nodeId) const;
 WaypointPath const* GetPathByVisualGUID(ObjectGuid guid) const;
 WaypointNode const* GetNodeByVisualGUID(ObjectGuid guid) const;
 ObjectGuid const& GetVisualGUIDByNode(uint32 pathId, uint32 nodeId) const;
 
 private:
 WaypointMgr() { }
 
 void _LoadPaths();
 void _LoadPathNodes();
 
 std::unordered_map<uint32 /*pathId*/, WaypointPath> _pathStore;
 
 std::unordered_map<std::pair<uint32 /*pathId*/, uint32 /*nodeId*/>, ObjectGuid> _nodeToVisualWaypointGUIDsMap;
 std::unordered_map<ObjectGuid, std::pair<WaypointPath const*, WaypointNode const*>> _visualWaypointGUIDToNodeMap;
};
 
#define sWaypointMgr WaypointMgr::instance()
 
#endif