diff options
Diffstat (limited to 'src/game/TargetedMovementGenerator.cpp')
| -rw-r--r-- | src/game/TargetedMovementGenerator.cpp | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/game/TargetedMovementGenerator.cpp b/src/game/TargetedMovementGenerator.cpp index 344df244f0b..3b001c1ed3c 100644 --- a/src/game/TargetedMovementGenerator.cpp +++ b/src/game/TargetedMovementGenerator.cpp @@ -17,6 +17,7 @@ * 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" @@ -24,7 +25,9 @@ #include "CreatureAI.h" #include "DestinationHolderImp.h" #include "World.h" + #define SMALL_ALPHA 0.05f + #include <cmath> /* struct StackCleaner @@ -38,6 +41,7 @@ struct StackCleaner } }; */ + template<class T> TargetedMovementGenerator<T>::TargetedMovementGenerator(Unit &target, float offset, float angle) : TargetedMovementGeneratorBase(target) @@ -45,14 +49,17 @@ TargetedMovementGenerator<T>::TargetedMovementGenerator(Unit &target, float offs { target.GetPosition(i_targetX, i_targetY, i_targetZ); } + template<class T> bool TargetedMovementGenerator<T>::_setTargetLocation(T &owner) { if (!i_target.isValid() || !i_target->IsInWorld()) return false; + if( owner.hasUnitState(UNIT_STAT_ROOT | UNIT_STAT_STUNNED | UNIT_STAT_DISTRACTED) ) return false; + float x, y, z; Traveller<T> traveller(owner); if(i_destinationHolder.HasDestination()) @@ -89,6 +96,7 @@ TargetedMovementGenerator<T>::_setTargetLocation(T &owner) if(i_target->IsWithinDist(&owner, i_offset * 0.8f)) stop = true; } + if(stop) { owner.GetPosition(x, y, z); @@ -98,9 +106,11 @@ TargetedMovementGenerator<T>::_setTargetLocation(T &owner) return false; } } + if(i_target->GetExactDistSq(i_targetX, i_targetY, i_targetZ) < 0.01f) return false; } + if(!i_offset) { // to nearest random contact position @@ -116,6 +126,7 @@ TargetedMovementGenerator<T>::_setTargetLocation(T &owner) // 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. @@ -126,6 +137,7 @@ TargetedMovementGenerator<T>::_setTargetLocation(T &owner) 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 ) @@ -136,6 +148,7 @@ TargetedMovementGenerator<T>::_setTargetLocation(T &owner) i_destinationHolder.StartTravel(traveller); return true; } + template<class T> void TargetedMovementGenerator<T>::Initialize(T &owner) @@ -144,30 +157,37 @@ TargetedMovementGenerator<T>::Initialize(T &owner) owner.AddUnitMovementFlag(MOVEMENTFLAG_WALK_MODE); else 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() || !i_target->IsInWorld()) return false; + if (!&owner || !owner.isAlive()) return true; + if (owner.hasUnitState(UNIT_STAT_ROOT | UNIT_STAT_STUNNED | UNIT_STAT_FLEEING | UNIT_STAT_DISTRACTED)) return true; + // prevent movement while casting spells with cast time or channel time if (owner.hasUnitState(UNIT_STAT_CASTING)) { @@ -175,10 +195,13 @@ TargetedMovementGenerator<T>::Update(T &owner, const uint32 & time_diff) 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); else if (owner.IsStopped() && !i_destinationHolder.HasArrived()) @@ -187,11 +210,13 @@ TargetedMovementGenerator<T>::Update(T &owner, const uint32 & time_diff) i_destinationHolder.StartTravel(traveller); return true; } + if (i_destinationHolder.UpdateTraveller(traveller, time_diff)) { // put targeted movement generators on a higher priority //if (owner.GetObjectSize()) //i_destinationHolder.ResetUpdate(50); + // target moved if (i_targetX != i_target->GetPositionX() || i_targetY != i_target->GetPositionY() || i_targetZ != i_target->GetPositionZ()) @@ -200,36 +225,44 @@ TargetedMovementGenerator<T>::Update(T &owner, const uint32 & time_diff) owner.SetInFront(i_target.getTarget()); i_target->GetPosition(i_targetX, i_targetY, i_targetZ); } + 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.IsWithinMeleeRange(i_target.getTarget()) && !owner.hasUnitState(UNIT_STAT_FOLLOW)) owner.Attack(i_target.getTarget(),true); } } + // Implemented for PetAI to handle resetting flags when pet owner reached if (i_destinationHolder.HasArrived()) MovementInform(owner); + return true; } + template<class T> Unit* TargetedMovementGenerator<T>::GetTarget() const { return i_target.getTarget(); } + template<class T> void TargetedMovementGenerator<T>::MovementInform(T &unit) { } + template <> void TargetedMovementGenerator<Creature>::MovementInform(Creature &unit) { // Pass back the GUIDLow of the target. If it is pet's owner then PetAI will handle unit.AI()->MovementInform(TARGETED_MOTION_TYPE, i_target.getTarget()->GetGUIDLow()); } + template void TargetedMovementGenerator<Player>::MovementInform(Player&); // Not implemented for players template TargetedMovementGenerator<Player>::TargetedMovementGenerator(Unit &target, float offset, float angle); template TargetedMovementGenerator<Creature>::TargetedMovementGenerator(Unit &target, float offset, float angle); |