1 files changed, 353 insertions, 0 deletions
diff --git a/src/server/game/Grids/GridNotifiers.cpp b/src/server/game/Grids/GridNotifiers.cpp
new file mode 100644
index 00000000000..b10dfa8791e
--- /dev/null
+++ b/src/server/game/Grids/GridNotifiers.cpp
@@ -0,0 +1,353 @@
+/*
+ * 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 "GridNotifiers.h"
+#include "GridNotifiersImpl.h"
+#include "WorldPacket.h"
+#include "WorldSession.h"
+#include "UpdateData.h"
+#include "Item.h"
+#include "Map.h"
+#include "Transports.h"
+#include "ObjectAccessor.h"
+#include "CellImpl.h"
+
+using namespace Trinity;
+
+void
+VisibleNotifier::SendToSelf()
+{
+    // at this moment i_clientGUIDs have guids that not iterate at grid level checks
+    // but exist one case when this possible and object not out of range: transports
+    if (Transport* transport = i_player.GetTransport())
+        for (Transport::PlayerSet::const_iterator itr = transport->GetPassengers().begin();itr != transport->GetPassengers().end();++itr)
+        {
+            if (vis_guids.find((*itr)->GetGUID()) != vis_guids.end())
+            {
+                vis_guids.erase((*itr)->GetGUID());
+
+                i_player.UpdateVisibilityOf((*itr), i_data, i_visibleNow);
+
+                if (!(*itr)->isNeedNotify(NOTIFY_VISIBILITY_CHANGED))
+                    (*itr)->UpdateVisibilityOf(&i_player);
+            }
+        }
+
+    for (Player::ClientGUIDs::const_iterator it = vis_guids.begin();it != vis_guids.end(); ++it)
+    {
+        i_player.m_clientGUIDs.erase(*it);
+        i_data.AddOutOfRangeGUID(*it);
+
+        if (IS_PLAYER_GUID(*it))
+        {
+            Player* plr = ObjectAccessor::FindPlayer(*it);
+            if (plr && plr->IsInWorld() && !plr->isNeedNotify(NOTIFY_VISIBILITY_CHANGED))
+                plr->UpdateVisibilityOf(&i_player);
+        }
+    }
+
+    if (!i_data.HasData())
+        return;
+
+    WorldPacket packet;
+    i_data.BuildPacket(&packet);
+    i_player.GetSession()->SendPacket(&packet);
+
+    for (std::set<Unit*>::const_iterator it = i_visibleNow.begin(); it != i_visibleNow.end(); ++it)
+        i_player.SendInitialVisiblePackets(*it);
+}
+
+void
+VisibleChangesNotifier::Visit(PlayerMapType &m)
+{
+    for (PlayerMapType::iterator iter=m.begin(); iter != m.end(); ++iter)
+    {
+        if (iter->getSource() == &i_object)
+            continue;
+
+        iter->getSource()->UpdateVisibilityOf(&i_object);
+
+        if (!iter->getSource()->GetSharedVisionList().empty())
+            for (SharedVisionList::const_iterator i = iter->getSource()->GetSharedVisionList().begin();
+                i != iter->getSource()->GetSharedVisionList().end(); ++i)
+                if ((*i)->m_seer == iter->getSource())
+                    (*i)->UpdateVisibilityOf(&i_object);
+    }
+}
+
+void
+VisibleChangesNotifier::Visit(CreatureMapType &m)
+{
+    for (CreatureMapType::iterator iter = m.begin(); iter != m.end(); ++iter)
+        if (!iter->getSource()->GetSharedVisionList().empty())
+            for (SharedVisionList::const_iterator i = iter->getSource()->GetSharedVisionList().begin();
+                i != iter->getSource()->GetSharedVisionList().end(); ++i)
+                if ((*i)->m_seer == iter->getSource())
+                    (*i)->UpdateVisibilityOf(&i_object);
+}
+
+void
+VisibleChangesNotifier::Visit(DynamicObjectMapType &m)
+{
+    for (DynamicObjectMapType::iterator iter = m.begin(); iter != m.end(); ++iter)
+        if (IS_PLAYER_GUID(iter->getSource()->GetCasterGUID()))
+            if (Player* caster = (Player*)iter->getSource()->GetCaster())
+                if (caster->m_seer == iter->getSource())
+                    caster->UpdateVisibilityOf(&i_object);
+}
+
+inline void CreatureUnitRelocationWorker(Creature* c, Unit* u)
+{
+    if (!u->isAlive() || !c->isAlive() || c == u || u->isInFlight())
+        return;
+
+    if (c->HasReactState(REACT_AGGRESSIVE) && !c->hasUnitState(UNIT_STAT_SIGHTLESS))
+        if (c->_IsWithinDist(u, c->m_SightDistance, true) && c->IsAIEnabled)
+            c->AI()->MoveInLineOfSight_Safe(u);
+}
+
+void PlayerRelocationNotifier::Visit(PlayerMapType &m)
+{
+    for (PlayerMapType::iterator iter=m.begin(); iter != m.end(); ++iter)
+    {
+        Player* plr = iter->getSource();
+
+        vis_guids.erase(plr->GetGUID());
+
+        i_player.UpdateVisibilityOf(plr,i_data,i_visibleNow);
+
+        if (plr->m_seer->isNeedNotify(NOTIFY_VISIBILITY_CHANGED))
+            continue;
+
+        plr->UpdateVisibilityOf(&i_player);
+    }
+}
+
+void PlayerRelocationNotifier::Visit(CreatureMapType &m)
+{
+    bool relocated_for_ai = (&i_player == i_player.m_seer);
+
+    for (CreatureMapType::iterator iter=m.begin(); iter != m.end(); ++iter)
+    {
+        Creature * c = iter->getSource();
+
+        vis_guids.erase(c->GetGUID());
+
+        i_player.UpdateVisibilityOf(c,i_data,i_visibleNow);
+
+        if (relocated_for_ai && !c->isNeedNotify(NOTIFY_VISIBILITY_CHANGED))
+            CreatureUnitRelocationWorker(c, &i_player);
+    }
+}
+
+void CreatureRelocationNotifier::Visit(PlayerMapType &m)
+{
+    for (PlayerMapType::iterator iter=m.begin(); iter != m.end(); ++iter)
+    {
+        Player * pl = iter->getSource();
+
+        if (!pl->m_seer->isNeedNotify(NOTIFY_VISIBILITY_CHANGED))
+            pl->UpdateVisibilityOf(&i_creature);
+
+        CreatureUnitRelocationWorker(&i_creature, pl);
+    }
+}
+
+void CreatureRelocationNotifier::Visit(CreatureMapType &m)
+{
+    if (!i_creature.isAlive())
+        return;
+
+    for (CreatureMapType::iterator iter=m.begin(); iter != m.end(); ++iter)
+    {
+        Creature* c = iter->getSource();
+        CreatureUnitRelocationWorker(&i_creature, c);
+
+        if (!c->isNeedNotify(NOTIFY_VISIBILITY_CHANGED))
+            CreatureUnitRelocationWorker(c, &i_creature);
+    }
+}
+
+void DelayedUnitRelocation::Visit(CreatureMapType &m)
+{
+    for (CreatureMapType::iterator iter = m.begin(); iter != m.end(); ++iter)
+    {
+        Creature * unit = iter->getSource();
+        if (!unit->isNeedNotify(NOTIFY_VISIBILITY_CHANGED))
+            continue;
+
+        CreatureRelocationNotifier relocate(*unit);
+
+        TypeContainerVisitor<CreatureRelocationNotifier, WorldTypeMapContainer > c2world_relocation(relocate);
+        TypeContainerVisitor<CreatureRelocationNotifier, GridTypeMapContainer >  c2grid_relocation(relocate);
+
+        cell.Visit(p, c2world_relocation, i_map, *unit, i_radius);
+        cell.Visit(p, c2grid_relocation, i_map, *unit, i_radius);
+    }
+}
+
+void DelayedUnitRelocation::Visit(PlayerMapType &m)
+{
+    for (PlayerMapType::iterator iter = m.begin(); iter != m.end(); ++iter)
+    {
+        Player * player = iter->getSource();
+        WorldObject const *viewPoint = player->m_seer;
+
+        if (!viewPoint->isNeedNotify(NOTIFY_VISIBILITY_CHANGED))
+            continue;
+
+        if (player != viewPoint && !viewPoint->IsPositionValid())
+            continue;
+
+        CellPair pair2(Trinity::ComputeCellPair(viewPoint->GetPositionX(), viewPoint->GetPositionY()));
+        Cell cell2(pair2);
+        //cell.SetNoCreate(); need load cells around viewPoint or player, that's why its commented
+
+        PlayerRelocationNotifier relocate(*player);
+        TypeContainerVisitor<PlayerRelocationNotifier, WorldTypeMapContainer > c2world_relocation(relocate);
+        TypeContainerVisitor<PlayerRelocationNotifier, GridTypeMapContainer >  c2grid_relocation(relocate);
+
+        cell2.Visit(pair2, c2world_relocation, i_map, *viewPoint, i_radius);
+        cell2.Visit(pair2, c2grid_relocation, i_map, *viewPoint, i_radius);
+
+        relocate.SendToSelf();
+    }
+}
+
+void AIRelocationNotifier::Visit(CreatureMapType &m)
+{
+    for (CreatureMapType::iterator iter = m.begin(); iter != m.end(); ++iter)
+    {
+        Creature *c = iter->getSource();
+        CreatureUnitRelocationWorker(c, &i_unit);
+        if (isCreature)
+            CreatureUnitRelocationWorker((Creature*)&i_unit, c);
+    }
+}
+
+void
+MessageDistDeliverer::Visit(PlayerMapType &m)
+{
+    for (PlayerMapType::iterator iter = m.begin(); iter != m.end(); ++iter)
+    {
+        Player *target = iter->getSource();
+        if (!target->InSamePhase(i_phaseMask))
+            continue;
+
+        if (target->GetExactDistSq(i_source) > i_distSq)
+            continue;
+
+        // Send packet to all who are sharing the player's vision
+        if (!target->GetSharedVisionList().empty())
+        {
+            SharedVisionList::const_iterator i = target->GetSharedVisionList().begin();
+            for (; i != target->GetSharedVisionList().end(); ++i)
+                if ((*i)->m_seer == target)
+                    SendPacket(*i);
+        }
+
+        if (target->m_seer == target || target->GetVehicle())
+            SendPacket(target);
+    }
+}
+
+void
+MessageDistDeliverer::Visit(CreatureMapType &m)
+{
+    for (CreatureMapType::iterator iter = m.begin(); iter != m.end(); ++iter)
+    {
+        if (!iter->getSource()->InSamePhase(i_phaseMask))
+            continue;
+
+        if (iter->getSource()->GetExactDistSq(i_source) > i_distSq)
+            continue;
+
+        // Send packet to all who are sharing the creature's vision
+        if (!iter->getSource()->GetSharedVisionList().empty())
+        {
+            SharedVisionList::const_iterator i = iter->getSource()->GetSharedVisionList().begin();
+            for (; i != iter->getSource()->GetSharedVisionList().end(); ++i)
+                if ((*i)->m_seer == iter->getSource())
+                    SendPacket(*i);
+        }
+    }
+}
+
+void
+MessageDistDeliverer::Visit(DynamicObjectMapType &m)
+{
+    for (DynamicObjectMapType::iterator iter = m.begin(); iter != m.end(); ++iter)
+    {
+        if (!iter->getSource()->InSamePhase(i_phaseMask))
+            continue;
+
+        if (iter->getSource()->GetExactDistSq(i_source) > i_distSq)
+            continue;
+
+        if (IS_PLAYER_GUID(iter->getSource()->GetCasterGUID()))
+        {
+            // Send packet back to the caster if the caster has vision of dynamic object
+            Player* caster = (Player*)iter->getSource()->GetCaster();
+            if (caster && caster->m_seer == iter->getSource())
+                SendPacket(caster);
+        }
+    }
+}
+
+/*
+void
+MessageDistDeliverer::VisitObject(Player* plr)
+{
+    if (!i_ownTeamOnly || (i_source.GetTypeId() == TYPEID_PLAYER && plr->GetTeam() == ((Player&)i_source).GetTeam()))
+    {
+        SendPacket(plr);
+    }
+}
+*/
+
+template<class T> void
+ObjectUpdater::Visit(GridRefManager<T> &m)
+{
+    for (typename GridRefManager<T>::iterator iter = m.begin(); iter != m.end(); ++iter)
+    {
+        if (iter->getSource()->IsInWorld())
+            iter->getSource()->Update(i_timeDiff);
+    }
+}
+
+bool CannibalizeObjectCheck::operator()(Corpse* u)
+{
+    // ignore bones
+    if (u->GetType() == CORPSE_BONES)
+        return false;
+
+    Player* owner = ObjectAccessor::FindPlayer(u->GetOwnerGUID());
+
+    if (!owner || i_funit->IsFriendlyTo(owner))
+        return false;
+
+    if (i_funit->IsWithinDistInMap(u, i_range))
+        return true;
+
+    return false;
+}
+
+template void ObjectUpdater::Visit<GameObject>(GameObjectMapType &);
+template void ObjectUpdater::Visit<DynamicObject>(DynamicObjectMapType &);