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[8465] Fixed exploit of z-axis described in http://getmangos.com/community/showthread.php?t=9652

Browse source 
Little code style clean up.

Signed-off-by: ApoC <apoc@nymfe.net>
This commit is contained in:
elecyb 2009-09-04 10:59:13 +02:00 • committed by ApoC
parent bb30afb6f3
commit bba20b92a5
4 changed files with 25 additions and 24 deletions
Download patch file Download diff file Expand all files Collapse all files

2
src/game/DestinationHolder.h
View file

@ -54,7 +54,7 @@ class MANGOS_DLL_DECL DestinationHolder
uint32 StartTravel(TRAVELLER &traveller, bool sendMove = true);
void GetLocationNow(const Map * map, float &x, float &y, float &z, bool is3D = false) const;
void GetLocationNowNoMicroMovement(float &x, float &y, float &z) const; // For use without micro movement
float GetDistance2dFromDestSq(const WorldObject &obj) const;
float GetDistance3dFromDestSq(const WorldObject &obj) const;
private:
void _findOffSetPoint(float x1, float y1, float x2, float y2, float offset, float &x, float &y);

33
src/game/DestinationHolderImp.h
View file

@ -93,19 +93,20 @@ template<typename TRAVELLER>
bool
DestinationHolder<TRAVELLER>::UpdateTraveller(TRAVELLER &traveller, uint32 diff, bool force_update, bool micro_movement)
{
if(!micro_movement)
if (!micro_movement)
{
i_tracker.Update(diff);
i_timeElapsed += diff;
if( i_tracker.Passed() || force_update )
if (i_tracker.Passed() || force_update)
{
ResetUpdate();
if(!i_destSet) return true;
if (!i_destSet) return true;
float x,y,z;
GetLocationNowNoMicroMovement(x, y, z);
if( x == -431602080 )
return false;
if( traveller.GetTraveller().GetPositionX() != x || traveller.GetTraveller().GetPositionY() != y )
if (traveller.GetTraveller().GetPositionX() != x || traveller.GetTraveller().GetPositionY() != y || traveller.GetTraveller().GetPositionZ() != z)
{
float ori = traveller.GetTraveller().GetAngle(x, y);
traveller.Relocation(x, y, z, ori);
@ -116,16 +117,16 @@ DestinationHolder<TRAVELLER>::UpdateTraveller(TRAVELLER &traveller, uint32 diff,
}
i_tracker.Update(diff);
i_timeElapsed += diff;
if( i_tracker.Passed() || force_update )
if (i_tracker.Passed() || force_update)
{
ResetUpdate();
if(!i_destSet) return true;
float x,y,z;
if (!i_destSet) return true;
if(!traveller.GetTraveller().hasUnitState(UNIT_STAT_MOVING | UNIT_STAT_IN_FLIGHT))
if (!traveller.GetTraveller().hasUnitState(UNIT_STAT_MOVING | UNIT_STAT_IN_FLIGHT))
return true;
if(traveller.GetTraveller().hasUnitState(UNIT_STAT_IN_FLIGHT))
float x,y,z;
if (traveller.GetTraveller().hasUnitState(UNIT_STAT_IN_FLIGHT))
GetLocationNow(traveller.GetTraveller().GetBaseMap() ,x, y, z, true); // Should reposition Object with right Coord, so I can bypass some Grid Relocation
else
GetLocationNow(traveller.GetTraveller().GetBaseMap(), x, y, z, false);
@ -133,7 +134,7 @@ DestinationHolder<TRAVELLER>::UpdateTraveller(TRAVELLER &traveller, uint32 diff,
if( x == -431602080 )
return false;
if( traveller.GetTraveller().GetPositionX() != x || traveller.GetTraveller().GetPositionY() != y )
if (traveller.GetTraveller().GetPositionX() != x || traveller.GetTraveller().GetPositionY() != y || traveller.GetTraveller().GetPositionZ() != z)
{
float ori = traveller.GetTraveller().GetAngle(x, y);
traveller.Relocation(x, y, z, ori);
@ -160,13 +161,13 @@ template<typename TRAVELLER>
void
DestinationHolder<TRAVELLER>::GetLocationNow(const Map * map, float &x, float &y, float &z, bool is3D) const
{
if( HasArrived() )
if (HasArrived())
{
x = i_destX;
y = i_destY;
z = i_destZ;
}
else if(HasDestination())
else if (HasDestination())
{
double percent_passed = (double)i_timeElapsed / (double)i_totalTravelTime;
const float distanceX = ((i_destX - i_fromX) * percent_passed);
@ -176,7 +177,7 @@ DestinationHolder<TRAVELLER>::GetLocationNow(const Map * map, float &x, float &y
y = i_fromY + distanceY;
float z2 = i_fromZ + distanceZ;
// All that is not finished but previous code neither... Traveller need be able to swim.
if(is3D)
if (is3D)
z = z2;
else
{
@ -193,11 +194,11 @@ DestinationHolder<TRAVELLER>::GetLocationNow(const Map * map, float &x, float &y
template<typename TRAVELLER>
float
DestinationHolder<TRAVELLER>::GetDistance2dFromDestSq(const WorldObject &obj) const
DestinationHolder<TRAVELLER>::GetDistance3dFromDestSq(const WorldObject &obj) const
{
float x,y,z;
obj.GetPosition(x,y,z);
return (i_destX-x)*(i_destX-x)+(i_destY-y)*(i_destY-y);
return (i_destX-x)*(i_destX-x)+(i_destY-y)*(i_destY-y)+(i_destZ-z)*(i_destZ-z);
}
template<typename TRAVELLER>
@ -211,7 +212,7 @@ template<typename TRAVELLER>
void
DestinationHolder<TRAVELLER>::GetLocationNowNoMicroMovement(float &x, float &y, float &z) const
{
if( HasArrived() )
if (HasArrived())
{
x = i_destX;
y = i_destY;

12
src/game/TargetedMovementGenerator.cpp
View file

@ -136,7 +136,7 @@ TargetedMovementGenerator<T>::Update(T &owner, const uint32 & time_diff)
return true;
// prevent movement while casting spells with cast time or channel time
if ( owner.IsNonMeleeSpellCasted(false, false, true))
if (owner.IsNonMeleeSpellCasted(false, false, true))
{
if (!owner.IsStopped())
owner.StopMoving();
@ -149,9 +149,9 @@ TargetedMovementGenerator<T>::Update(T &owner, const uint32 & time_diff)
Traveller<T> traveller(owner);
if( !i_destinationHolder.HasDestination() )
if (!i_destinationHolder.HasDestination())
_setTargetLocation(owner);
if( owner.IsStopped() && !i_destinationHolder.HasArrived() )
if (owner.IsStopped() && !i_destinationHolder.HasArrived())
{
owner.addUnitState(UNIT_STAT_CHASE);
if (owner.GetTypeId() == TYPEID_UNIT && ((Creature*)&owner)->canFly())
@ -172,16 +172,16 @@ TargetedMovementGenerator<T>::Update(T &owner, const uint32 & time_diff)
//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)
if (i_destinationHolder.GetDistance3dFromDestSq(*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() ) )
else if (!i_angle && !owner.HasInArc(0.01f, i_target.getTarget()))
owner.SetInFront(i_target.getTarget());
if(( owner.IsStopped() && !i_destinationHolder.HasArrived() ) || i_recalculateTravel )
if ((owner.IsStopped() && !i_destinationHolder.HasArrived()) || i_recalculateTravel)
{
i_recalculateTravel = false;
//Angle update will take place into owner.StopMoving()

2
src/shared/revision_nr.h
View file

@ -1,4 +1,4 @@
#ifndef __REVISION_NR_H__
#define __REVISION_NR_H__
#define REVISION_NR "8464"
#define REVISION_NR "8465"
#endif // __REVISION_NR_H__