1 files changed, 268 insertions, 0 deletions
diff --git a/src/server/game/Maps/MapInstanced.cpp b/src/server/game/Maps/MapInstanced.cpp
new file mode 100644
index 00000000000..0736bfa6fb3
--- /dev/null
+++ b/src/server/game/Maps/MapInstanced.cpp
@@ -0,0 +1,268 @@
+/*
+ * Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
+ *
+ * Copyright (C) 2008-2010 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
+ */
+
+#include "MapInstanced.h"
+#include "ObjectMgr.h"
+#include "MapManager.h"
+#include "BattleGround.h"
+#include "VMapFactory.h"
+#include "InstanceSaveMgr.h"
+#include "World.h"
+
+MapInstanced::MapInstanced(uint32 id, time_t expiry) : Map(id, expiry, 0, DUNGEON_DIFFICULTY_NORMAL)
+{
+    // initialize instanced maps list
+    m_InstancedMaps.clear();
+    // fill with zero
+    memset(&GridMapReference, 0, MAX_NUMBER_OF_GRIDS*MAX_NUMBER_OF_GRIDS*sizeof(uint16));
+}
+
+void MapInstanced::InitVisibilityDistance()
+{
+    if (m_InstancedMaps.empty())
+        return;
+    //initialize visibility distances for all instance copies
+    for (InstancedMaps::iterator i = m_InstancedMaps.begin(); i != m_InstancedMaps.end(); ++i)
+    {
+        (*i).second->InitVisibilityDistance();
+    }
+}
+
+void MapInstanced::Update(const uint32& t)
+{
+    // take care of loaded GridMaps (when unused, unload it!)
+    Map::Update(t);
+
+    // update the instanced maps
+    InstancedMaps::iterator i = m_InstancedMaps.begin();
+
+    while (i != m_InstancedMaps.end())
+    {
+        if (i->second->CanUnload(t))
+        {
+            if (!DestroyInstance(i))                             // iterator incremented
+            {
+                //m_unloadTimer
+            }
+        }
+        else
+        {
+            // update only here, because it may schedule some bad things before delete
+            i->second->Update(t);
+            ++i;
+        }
+    }
+}
+
+void MapInstanced::DelayedUpdate(const uint32 diff)
+{
+    for (InstancedMaps::iterator i = m_InstancedMaps.begin(); i != m_InstancedMaps.end(); ++i)
+        i->second->DelayedUpdate(diff);
+
+    Map::DelayedUpdate(diff); // this may be removed
+}
+
+/*
+void MapInstanced::RelocationNotify()
+{
+    for (InstancedMaps::iterator i = m_InstancedMaps.begin(); i != m_InstancedMaps.end(); ++i)
+        i->second->RelocationNotify();
+}
+*/
+
+bool MapInstanced::RemoveBones(uint64 guid, float x, float y)
+{
+    bool remove_result = false;
+
+    for (InstancedMaps::iterator i = m_InstancedMaps.begin(); i != m_InstancedMaps.end(); ++i)
+    {
+        remove_result = remove_result || i->second->RemoveBones(guid, x, y);
+    }
+
+    return remove_result || Map::RemoveBones(guid,x,y);
+}
+
+void MapInstanced::UnloadAll()
+{
+    // Unload instanced maps
+    for (InstancedMaps::iterator i = m_InstancedMaps.begin(); i != m_InstancedMaps.end(); ++i)
+        i->second->UnloadAll();
+
+    // Delete the maps only after everything is unloaded to prevent crashes
+    for (InstancedMaps::iterator i = m_InstancedMaps.begin(); i != m_InstancedMaps.end(); ++i)
+        delete i->second;
+
+    m_InstancedMaps.clear();
+
+    // Unload own grids (just dummy(placeholder) grids, neccesary to unload GridMaps!)
+    Map::UnloadAll();
+}
+
+/*
+- return the right instance for the object, based on its InstanceId
+- create the instance if it's not created already
+- the player is not actually added to the instance (only in InstanceMap::Add)
+*/
+Map* MapInstanced::CreateInstance(const uint32 mapId, Player * player)
+{
+    if (GetId() != mapId || !player)
+        return NULL;
+
+    Map* map = NULL;
+    uint32 NewInstanceId = 0;                       // instanceId of the resulting map
+
+    if (IsBattleGroundOrArena())
+    {
+        // instantiate or find existing bg map for player
+        // the instance id is set in battlegroundid
+        NewInstanceId = player->GetBattleGroundId();
+        if (!NewInstanceId) return NULL;
+        map = _FindMap(NewInstanceId);
+        if (!map)
+            map = CreateBattleGround(NewInstanceId, player->GetBattleGround());
+    }
+    else
+    {
+        InstancePlayerBind *pBind = player->GetBoundInstance(GetId(), player->GetDifficulty(IsRaid()));
+        InstanceSave *pSave = pBind ? pBind->save : NULL;
+
+        // the player's permanent player bind is taken into consideration first
+        // then the player's group bind and finally the solo bind.
+        if (!pBind || !pBind->perm)
+        {
+            InstanceGroupBind *groupBind = NULL;
+            Group *group = player->GetGroup();
+            // use the player's difficulty setting (it may not be the same as the group's)
+            if (group)
+            {
+                groupBind = group->GetBoundInstance(this);
+                if (groupBind)
+                    pSave = groupBind->save;
+            }
+        }
+        if (pSave)
+        {
+            // solo/perm/group
+            NewInstanceId = pSave->GetInstanceId();
+            map = _FindMap(NewInstanceId);
+            // it is possible that the save exists but the map doesn't
+            if (!map)
+                map = CreateInstance(NewInstanceId, pSave, pSave->GetDifficulty());
+        }
+        else
+        {
+            // if no instanceId via group members or instance saves is found
+            // the instance will be created for the first time
+            NewInstanceId = MapManager::Instance().GenerateInstanceId();
+
+            Difficulty diff = player->GetGroup() ? player->GetGroup()->GetDifficulty(IsRaid()) : player->GetDifficulty(IsRaid());
+            map = CreateInstance(NewInstanceId, NULL, diff);
+        }
+    }
+
+    return map;
+}
+
+InstanceMap* MapInstanced::CreateInstance(uint32 InstanceId, InstanceSave *save, Difficulty difficulty)
+{
+    // load/create a map
+    Guard guard(*this);
+
+    // make sure we have a valid map id
+    const MapEntry* entry = sMapStore.LookupEntry(GetId());
+    if (!entry)
+    {
+        sLog.outError("CreateInstance: no entry for map %d", GetId());
+        assert(false);
+    }
+    const InstanceTemplate * iTemplate = objmgr.GetInstanceTemplate(GetId());
+    if (!iTemplate)
+    {
+        sLog.outError("CreateInstance: no instance template for map %d", GetId());
+        assert(false);
+    }
+
+    // some instances only have one difficulty
+    MapDifficulty const* mapDiff = GetMapDifficultyData(GetId(),difficulty);
+    if (!mapDiff)
+        difficulty = DUNGEON_DIFFICULTY_NORMAL;
+
+    sLog.outDebug("MapInstanced::CreateInstance: %s map instance %d for %d created with difficulty %s", save?"":"new ", InstanceId, GetId(), difficulty?"heroic":"normal");
+
+    InstanceMap *map = new InstanceMap(GetId(), GetGridExpiry(), InstanceId, difficulty, this);
+    ASSERT(map->IsDungeon());
+
+    bool load_data = save != NULL;
+    map->CreateInstanceData(load_data);
+
+    m_InstancedMaps[InstanceId] = map;
+    return map;
+}
+
+BattleGroundMap* MapInstanced::CreateBattleGround(uint32 InstanceId, BattleGround* bg)
+{
+    // load/create a map
+    Guard guard(*this);
+
+    sLog.outDebug("MapInstanced::CreateBattleGround: map bg %d for %d created.", InstanceId, GetId());
+
+    PvPDifficultyEntry const* bracketEntry = GetBattlegroundBracketByLevel(bg->GetMapId(),bg->GetMinLevel());
+
+    uint8 spawnMode = bracketEntry ? bracketEntry->difficulty : REGULAR_DIFFICULTY;
+
+    BattleGroundMap *map = new BattleGroundMap(GetId(), GetGridExpiry(), InstanceId, this, spawnMode);
+    ASSERT(map->IsBattleGroundOrArena());
+    map->SetBG(bg);
+    bg->SetBgMap(map);
+
+    m_InstancedMaps[InstanceId] = map;
+    return map;
+}
+
+// increments the iterator after erase
+bool MapInstanced::DestroyInstance(InstancedMaps::iterator &itr)
+{
+    itr->second->RemoveAllPlayers();
+    if (itr->second->HavePlayers())
+    {
+        ++itr;
+        return false;
+    }
+
+    itr->second->UnloadAll();
+    // should only unload VMaps if this is the last instance and grid unloading is enabled
+    if (m_InstancedMaps.size() <= 1 && sWorld.getConfig(CONFIG_GRID_UNLOAD))
+    {
+        VMAP::VMapFactory::createOrGetVMapManager()->unloadMap(itr->second->GetId());
+        // in that case, unload grids of the base map, too
+        // so in the next map creation, (EnsureGridCreated actually) VMaps will be reloaded
+        Map::UnloadAll();
+    }
+    // erase map
+    delete itr->second;
+    m_InstancedMaps.erase(itr++);
+    return true;
+}
+
+bool MapInstanced::CanEnter(Player * /*player*/)
+{
+    //assert(false);
+    return true;
+}