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-rw-r--r--src/game/TargetedMovementGenerator.cpp413
1 files changed, 211 insertions, 202 deletions
diff --git a/src/game/TargetedMovementGenerator.cpp b/src/game/TargetedMovementGenerator.cpp
index bba7426938d..9d465877a2a 100644
--- a/src/game/TargetedMovementGenerator.cpp
+++ b/src/game/TargetedMovementGenerator.cpp
@@ -1,202 +1,211 @@
-/*
- * Copyright (C) 2005-2008 MaNGOS <http://www.mangosproject.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 "ByteBuffer.h"
-#include "TargetedMovementGenerator.h"
-#include "Errors.h"
-#include "Creature.h"
-#include "MapManager.h"
-#include "DestinationHolderImp.h"
-#include "World.h"
-
-#define SMALL_ALPHA 0.05f
-
-#include <cmath>
-/*
-struct StackCleaner
-{
- Creature &i_creature;
- StackCleaner(Creature &creature) : i_creature(creature) {}
- void Done(void) { i_creature.StopMoving(); }
- ~StackCleaner()
- {
- i_creature->Clear();
- }
-};
-*/
-
-template<class T>
-void
-TargetedMovementGenerator<T>::_setTargetLocation(T &owner)
-{
- if( !i_target.isValid() || !&owner )
- return;
-
- if( owner.hasUnitState(UNIT_STAT_ROOT | UNIT_STAT_STUNDED | UNIT_STAT_DISTRACTED) )
- return;
-
- // prevent redundant micro-movement for pets, other followers.
- if(i_offset && i_target->IsWithinDistInMap(&owner,2*i_offset))
- return;
-
- float x, y, z;
- if(!i_offset)
- {
- // to nearest contact position
- i_target->GetContactPoint( &owner, x, y, z );
- }
- else
- {
- // to at i_offset distance from target and i_angle from target facing
- i_target->GetClosePoint(x,y,z,owner.GetObjectSize(),i_offset,i_angle);
- }
-
- /*
- We MUST not check the distance difference and avoid setting the new location for smaller distances.
- By that we risk having far too many GetContactPoint() calls freezing the whole system.
- In TargetedMovementGenerator<T>::Update() we check the distance to the target and at
- some range we calculate a new position. The calculation takes some processor cycles due to vmaps.
- If the distance to the target it too large to ignore,
- but the distance to the new contact point is short enough to be ignored,
- we will calculate a new contact point each update loop, but will never move to it.
- The system will freeze.
- ralf
-
- //We don't update Mob Movement, if the difference between New destination and last destination is < BothObjectSize
- float bothObjectSize = i_target->GetObjectSize() + owner.GetObjectSize() + CONTACT_DISTANCE;
- if( i_destinationHolder.HasDestination() && i_destinationHolder.GetDestinationDiff(x,y,z) < bothObjectSize )
- return;
- */
- Traveller<T> traveller(owner);
- i_destinationHolder.SetDestination(traveller, x, y, z);
- owner.addUnitState(UNIT_STAT_CHASE);
-}
-
-template<class T>
-void
-TargetedMovementGenerator<T>::Initialize(T &owner)
-{
- if(!&owner)
- return;
- owner.RemoveUnitMovementFlag(MOVEMENTFLAG_WALK_MODE);
- _setTargetLocation(owner);
-}
-
-template<class T>
-void
-TargetedMovementGenerator<T>::Finalize(T &owner)
-{
- owner.clearUnitState(UNIT_STAT_CHASE);
-}
-
-template<class T>
-void
-TargetedMovementGenerator<T>::Reset(T &owner)
-{
- Initialize(owner);
-}
-
-template<class T>
-bool
-TargetedMovementGenerator<T>::Update(T &owner, const uint32 & time_diff)
-{
- if(!i_target.isValid())
- return false;
-
- if( !&owner || !owner.isAlive())
- return true;
-
- if( owner.hasUnitState(UNIT_STAT_ROOT | UNIT_STAT_STUNDED | UNIT_STAT_FLEEING | UNIT_STAT_DISTRACTED) )
- return true;
-
- // prevent movement while casting spells with cast time or channel time
- if ( owner.IsNonMeleeSpellCasted(false, false, true))
- {
- if (!owner.IsStopped())
- owner.StopMoving();
- return true;
- }
-
- // prevent crash after creature killed pet
- if (!owner.hasUnitState(UNIT_STAT_FOLLOW) && owner.getVictim() != i_target.getTarget())
- return true;
-
- Traveller<T> traveller(owner);
-
- if( !i_destinationHolder.HasDestination() )
- _setTargetLocation(owner);
- if( owner.IsStopped() && !i_destinationHolder.HasArrived() )
- {
- owner.addUnitState(UNIT_STAT_CHASE);
- i_destinationHolder.StartTravel(traveller);
- return true;
- }
-
- if (i_destinationHolder.UpdateTraveller(traveller, time_diff, false))
- {
- // put targeted movement generators on a higher priority
- if (owner.GetObjectSize())
- i_destinationHolder.ResetUpdate(50);
-
- float dist = i_target->GetObjectSize() + owner.GetObjectSize() + sWorld.getRate(RATE_TARGET_POS_RECALCULATION_RANGE);
-
- //More distance let have better performance, less distance let have more sensitive reaction at target move.
-
- // try to counter precision differences
- if( i_destinationHolder.GetDistance2dFromDestSq(*i_target.getTarget()) >= dist * dist)
- {
- owner.SetInFront(i_target.getTarget()); // Set new Angle For Map::
- _setTargetLocation(owner); //Calculate New Dest and Send data To Player
- }
- // Update the Angle of the target only for Map::, no need to send packet for player
- else if ( !i_angle && !owner.HasInArc( 0.01f, i_target.getTarget() ) )
- owner.SetInFront(i_target.getTarget());
-
- if(( owner.IsStopped() && !i_destinationHolder.HasArrived() ) || i_recalculateTravel )
- {
- i_recalculateTravel = false;
- //Angle update will take place into owner.StopMoving()
- owner.SetInFront(i_target.getTarget());
-
- owner.StopMoving();
- if(owner.canReachWithAttack(i_target.getTarget()) && !owner.hasUnitState(UNIT_STAT_FOLLOW))
- owner.Attack(i_target.getTarget(),true);
- }
- }
- return true;
-}
-
-template<class T>
-Unit*
-TargetedMovementGenerator<T>::GetTarget() const
-{
- return i_target.getTarget();
-}
-
-template void TargetedMovementGenerator<Player>::_setTargetLocation(Player &);
-template void TargetedMovementGenerator<Creature>::_setTargetLocation(Creature &);
-template void TargetedMovementGenerator<Player>::Initialize(Player &);
-template void TargetedMovementGenerator<Creature>::Initialize(Creature &);
-template void TargetedMovementGenerator<Player>::Finalize(Player &);
-template void TargetedMovementGenerator<Creature>::Finalize(Creature &);
-template void TargetedMovementGenerator<Player>::Reset(Player &);
-template void TargetedMovementGenerator<Creature>::Reset(Creature &);
-template bool TargetedMovementGenerator<Player>::Update(Player &, const uint32 &);
-template bool TargetedMovementGenerator<Creature>::Update(Creature &, const uint32 &);
-template Unit* TargetedMovementGenerator<Player>::GetTarget() const;
-template Unit* TargetedMovementGenerator<Creature>::GetTarget() const;
+/*
+ * Copyright (C) 2005-2008 MaNGOS <http://www.mangosproject.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 "ByteBuffer.h"
+#include "TargetedMovementGenerator.h"
+#include "Errors.h"
+#include "Creature.h"
+#include "MapManager.h"
+#include "DestinationHolderImp.h"
+#include "World.h"
+
+#define SMALL_ALPHA 0.05f
+
+#include <cmath>
+/*
+struct StackCleaner
+{
+ Creature &i_creature;
+ StackCleaner(Creature &creature) : i_creature(creature) {}
+ void Done(void) { i_creature.StopMoving(); }
+ ~StackCleaner()
+ {
+ i_creature->Clear();
+ }
+};
+*/
+
+template<class T>
+void
+TargetedMovementGenerator<T>::_setTargetLocation(T &owner)
+{
+ if( !i_target.isValid() || !&owner )
+ return;
+
+ if( owner.hasUnitState(UNIT_STAT_ROOT | UNIT_STAT_STUNDED | UNIT_STAT_DISTRACTED) )
+ return;
+
+ // prevent redundant micro-movement for pets, other followers.
+ if(i_offset && i_target->IsWithinDistInMap(&owner,2*i_offset))
+ return;
+
+ float x, y, z;
+ if(!i_offset)
+ {
+ // to nearest contact position
+ i_target->GetContactPoint( &owner, x, y, z );
+ }
+ else
+ {
+ // to at i_offset distance from target and i_angle from target facing
+ i_target->GetClosePoint(x,y,z,owner.GetObjectSize(),i_offset,i_angle);
+ }
+
+ /*
+ We MUST not check the distance difference and avoid setting the new location for smaller distances.
+ By that we risk having far too many GetContactPoint() calls freezing the whole system.
+ In TargetedMovementGenerator<T>::Update() we check the distance to the target and at
+ some range we calculate a new position. The calculation takes some processor cycles due to vmaps.
+ If the distance to the target it too large to ignore,
+ but the distance to the new contact point is short enough to be ignored,
+ we will calculate a new contact point each update loop, but will never move to it.
+ The system will freeze.
+ ralf
+
+ //We don't update Mob Movement, if the difference between New destination and last destination is < BothObjectSize
+ float bothObjectSize = i_target->GetObjectSize() + owner.GetObjectSize() + CONTACT_DISTANCE;
+ if( i_destinationHolder.HasDestination() && i_destinationHolder.GetDestinationDiff(x,y,z) < bothObjectSize )
+ return;
+ */
+ Traveller<T> traveller(owner);
+ i_destinationHolder.SetDestination(traveller, x, y, z);
+ owner.addUnitState(UNIT_STAT_CHASE);
+ if (owner.GetTypeId() == TYPEID_UNIT && ((Creature*)&owner)->canFly())
+ owner.AddUnitMovementFlag(MOVEMENTFLAG_FLYING2);
+}
+
+template<class T>
+void
+TargetedMovementGenerator<T>::Initialize(T &owner)
+{
+ if(!&owner)
+ return;
+ owner.RemoveUnitMovementFlag(MOVEMENTFLAG_WALK_MODE);
+
+ if (owner.GetTypeId() == TYPEID_UNIT && ((Creature*)&owner)->canFly())
+ owner.AddUnitMovementFlag(MOVEMENTFLAG_FLYING2);
+
+ _setTargetLocation(owner);
+}
+
+template<class T>
+void
+TargetedMovementGenerator<T>::Finalize(T &owner)
+{
+ owner.clearUnitState(UNIT_STAT_CHASE);
+}
+
+template<class T>
+void
+TargetedMovementGenerator<T>::Reset(T &owner)
+{
+ Initialize(owner);
+}
+
+template<class T>
+bool
+TargetedMovementGenerator<T>::Update(T &owner, const uint32 & time_diff)
+{
+ if(!i_target.isValid())
+ return false;
+
+ if( !&owner || !owner.isAlive())
+ return true;
+
+ if( owner.hasUnitState(UNIT_STAT_ROOT | UNIT_STAT_STUNDED | UNIT_STAT_FLEEING | UNIT_STAT_DISTRACTED) )
+ return true;
+
+ // prevent movement while casting spells with cast time or channel time
+ if ( owner.IsNonMeleeSpellCasted(false, false, true))
+ {
+ if (!owner.IsStopped())
+ owner.StopMoving();
+ return true;
+ }
+
+ // prevent crash after creature killed pet
+ if (!owner.hasUnitState(UNIT_STAT_FOLLOW) && owner.getVictim() != i_target.getTarget())
+ return true;
+
+ Traveller<T> traveller(owner);
+
+ if( !i_destinationHolder.HasDestination() )
+ _setTargetLocation(owner);
+ if( owner.IsStopped() && !i_destinationHolder.HasArrived() )
+ {
+ owner.addUnitState(UNIT_STAT_CHASE);
+ if (owner.GetTypeId() == TYPEID_UNIT && ((Creature*)&owner)->canFly())
+ owner.AddUnitMovementFlag(MOVEMENTFLAG_FLYING2);
+
+ i_destinationHolder.StartTravel(traveller);
+ return true;
+ }
+
+ if (i_destinationHolder.UpdateTraveller(traveller, time_diff, false))
+ {
+ // put targeted movement generators on a higher priority
+ if (owner.GetObjectSize())
+ i_destinationHolder.ResetUpdate(50);
+
+ float dist = i_target->GetObjectSize() + owner.GetObjectSize() + sWorld.getRate(RATE_TARGET_POS_RECALCULATION_RANGE);
+
+ //More distance let have better performance, less distance let have more sensitive reaction at target move.
+
+ // try to counter precision differences
+ if( i_destinationHolder.GetDistance2dFromDestSq(*i_target.getTarget()) >= dist * dist)
+ {
+ owner.SetInFront(i_target.getTarget()); // Set new Angle For Map::
+ _setTargetLocation(owner); //Calculate New Dest and Send data To Player
+ }
+ // Update the Angle of the target only for Map::, no need to send packet for player
+ else if ( !i_angle && !owner.HasInArc( 0.01f, i_target.getTarget() ) )
+ owner.SetInFront(i_target.getTarget());
+
+ if(( owner.IsStopped() && !i_destinationHolder.HasArrived() ) || i_recalculateTravel )
+ {
+ i_recalculateTravel = false;
+ //Angle update will take place into owner.StopMoving()
+ owner.SetInFront(i_target.getTarget());
+
+ owner.StopMoving();
+ if(owner.canReachWithAttack(i_target.getTarget()) && !owner.hasUnitState(UNIT_STAT_FOLLOW))
+ owner.Attack(i_target.getTarget(),true);
+ }
+ }
+ return true;
+}
+
+template<class T>
+Unit*
+TargetedMovementGenerator<T>::GetTarget() const
+{
+ return i_target.getTarget();
+}
+
+template void TargetedMovementGenerator<Player>::_setTargetLocation(Player &);
+template void TargetedMovementGenerator<Creature>::_setTargetLocation(Creature &);
+template void TargetedMovementGenerator<Player>::Initialize(Player &);
+template void TargetedMovementGenerator<Creature>::Initialize(Creature &);
+template void TargetedMovementGenerator<Player>::Finalize(Player &);
+template void TargetedMovementGenerator<Creature>::Finalize(Creature &);
+template void TargetedMovementGenerator<Player>::Reset(Player &);
+template void TargetedMovementGenerator<Creature>::Reset(Creature &);
+template bool TargetedMovementGenerator<Player>::Update(Player &, const uint32 &);
+template bool TargetedMovementGenerator<Creature>::Update(Creature &, const uint32 &);
+template Unit* TargetedMovementGenerator<Player>::GetTarget() const;
+template Unit* TargetedMovementGenerator<Creature>::GetTarget() const;