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/*
* Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
*
* Copyright (C) 2008-2009 Trinity <http://www.trinitycore.org/>
*
*
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __InstanceSaveMgr_H
#define __InstanceSaveMgr_H
#include "Platform/Define.h"
#include "Policies/Singleton.h"
#include "ace/Thread_Mutex.h"
#include <list>
#include <map>
#include "Utilities/UnorderedMap.h"
#include "Database/DatabaseEnv.h"
#include "DBCEnums.h"
#include "ObjectDefines.h"
struct InstanceTemplate;
struct MapEntry;
class Player;
class Group;
/*
Holds the information necessary for creating a new map for an existing instance
Is referenced in three cases:
- player-instance binds for solo players (not in group)
- player-instance binds for permanent heroic/raid saves
- group-instance binds (both solo and permanent) cache the player binds for the group leader
*/
class InstanceSave
{
friend class InstanceSaveManager;
public:
/* Created either when:
- any new instance is being generated
- the first time a player bound to InstanceId logs in
- when a group bound to the instance is loaded */
InstanceSave(uint16 MapId, uint32 InstanceId, Difficulty difficulty, time_t resetTime, bool canReset);
/* Unloaded when m_playerList and m_groupList become empty
or when the instance is reset */
~InstanceSave();
uint8 GetPlayerCount() { return m_playerList.size(); }
uint8 GetGroupCount() { return m_groupList.size(); }
/* A map corresponding to the InstanceId/MapId does not always exist.
InstanceSave objects may be created on player logon but the maps are
created and loaded only when a player actually enters the instance. */
uint32 GetInstanceId() { return m_instanceid; }
uint32 GetMapId() { return m_mapid; }
/* Saved when the instance is generated for the first time */
void SaveToDB();
/* When the instance is being reset (permanently deleted) */
void DeleteFromDB();
/* for normal instances this corresponds to max(creature respawn time) + X hours
for raid/heroic instances this caches the global respawn time for the map */
time_t GetResetTime() { return m_resetTime; }
void SetResetTime(time_t resetTime) { m_resetTime = resetTime; }
time_t GetResetTimeForDB();
InstanceTemplate const* GetTemplate();
MapEntry const* GetMapEntry();
/* online players bound to the instance (perm/solo)
does not include the members of the group unless they have permanent saves */
void AddPlayer(Player *player) { m_playerList.push_back(player); }
bool RemovePlayer(Player *player) { m_playerList.remove(player); return UnloadIfEmpty(); }
/* all groups bound to the instance */
void AddGroup(Group *group) { m_groupList.push_back(group); }
bool RemoveGroup(Group *group) { m_groupList.remove(group); return UnloadIfEmpty(); }
/* instances cannot be reset (except at the global reset time)
if there are players permanently bound to it
this is cached for the case when those players are offline */
bool CanReset() { return m_canReset; }
void SetCanReset(bool canReset) { m_canReset = canReset; }
/* currently it is possible to omit this information from this structure
but that would depend on a lot of things that can easily change in future */
Difficulty GetDifficulty() { return m_difficulty; }
typedef std::list<Player*> PlayerListType;
typedef std::list<Group*> GroupListType;
private:
bool UnloadIfEmpty();
/* the only reason the instSave-object links are kept is because
the object-instSave links need to be broken at reset time
TODO: maybe it's enough to just store the number of players/groups */
PlayerListType m_playerList;
GroupListType m_groupList;
time_t m_resetTime;
uint32 m_instanceid;
uint32 m_mapid;
Difficulty m_difficulty;
bool m_canReset;
};
typedef UNORDERED_MAP<uint32 /*PAIR32(map,difficulty)*/,time_t /*resetTime*/> ResetTimeByMapDifficultyMap;
class TRINITY_DLL_DECL InstanceSaveManager : public Trinity::Singleton<InstanceSaveManager, Trinity::ClassLevelLockable<InstanceSaveManager, ACE_Thread_Mutex> >
{
friend class InstanceSave;
public:
InstanceSaveManager();
~InstanceSaveManager();
typedef UNORDERED_MAP<uint32 /*InstanceId*/, InstanceSave*> InstanceSaveHashMap;
typedef UNORDERED_MAP<uint32 /*mapId*/, InstanceSaveHashMap> InstanceSaveMapMap;
/* resetTime is a global propery of each (raid/heroic) map
all instances of that map reset at the same time */
struct InstResetEvent
{
uint8 type;
Difficulty difficulty:8;
uint16 mapid;
uint16 instanceId;
InstResetEvent() : type(0), difficulty(DUNGEON_DIFFICULTY_NORMAL), mapid(0), instanceId(0) {}
InstResetEvent(uint8 t, uint32 _mapid, Difficulty d, uint16 _instanceid)
: type(t), difficulty(d), mapid(_mapid), instanceId(_instanceid) {}
bool operator == (const InstResetEvent& e) { return e.instanceId == instanceId; }
};
typedef std::multimap<time_t /*resetTime*/, InstResetEvent> ResetTimeQueue;
void CleanupInstances();
void PackInstances();
void LoadResetTimes();
time_t GetResetTimeFor(uint32 mapid, Difficulty d) const
{
ResetTimeByMapDifficultyMap::const_iterator itr = m_resetTimeByMapDifficulty.find(MAKE_PAIR32(mapid,d));
return itr != m_resetTimeByMapDifficulty.end() ? itr->second : 0;
}
void SetResetTimeFor(uint32 mapid, Difficulty d, time_t t)
{
m_resetTimeByMapDifficulty[MAKE_PAIR32(mapid,d)] = t;
}
ResetTimeByMapDifficultyMap const& GetResetTimeMap() const
{
return m_resetTimeByMapDifficulty;
}
void ScheduleReset(bool add, time_t time, InstResetEvent event);
void Update();
InstanceSave* AddInstanceSave(uint32 mapId, uint32 instanceId, Difficulty difficulty, time_t resetTime, bool canReset, bool load = false);
void RemoveInstanceSave(uint32 InstanceId);
static void DeleteInstanceFromDB(uint32 instanceid);
InstanceSave *GetInstanceSave(uint32 InstanceId);
/* statistics */
uint32 GetNumInstanceSaves() { return m_instanceSaveById.size(); }
uint32 GetNumBoundPlayersTotal();
uint32 GetNumBoundGroupsTotal();
private:
void _ResetOrWarnAll(uint32 mapid, Difficulty difficulty, bool warn, uint32 timeleft);
void _ResetInstance(uint32 mapid, uint32 instanceId);
void _ResetSave(InstanceSaveHashMap::iterator &itr);
void _DelHelper(DatabaseType &db, const char *fields, const char *table, const char *queryTail,...);
// used during global instance resets
bool lock_instLists;
// fast lookup by instance id
InstanceSaveHashMap m_instanceSaveById;
// fast lookup for reset times (always use existed functions for access/set)
ResetTimeByMapDifficultyMap m_resetTimeByMapDifficulty;
ResetTimeQueue m_resetTimeQueue;
};
#define sInstanceSaveManager Trinity::Singleton<InstanceSaveManager>::Instance()
#endif
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