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Entities/Unit: Cleanup all the direct accesses to m_unitMovedByMe. Refactor the field to be protected. Add assertions to catch dangling pointers.

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Port From (https://github.com/TrinityCore/TrinityCore/commit/edc75831194bc2419e3abada47121fadf4b2aa8d)
This commit is contained in:
hondacrx
2021-12-23 20:17:08 -05:00
parent 4584543d45
commit 1f58dc2b53
5 changed files with 41 additions and 48 deletions
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Source/Game/Entities/Unit/Unit.Movement.cs
+28 -23
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@@ -123,7 +123,7 @@ namespace Game.Entities
}
}
Player playerMover = GetPlayerBeingMoved(); // unit controlled by a player.
Player playerMover = GetUnitBeingMoved()?.ToPlayer(); // unit controlled by a player.
if (playerMover)
{
// Send notification to self
@@ -244,7 +244,7 @@ namespace Game.Entities
if (charmer)
{
player = charmer.ToPlayer();
if (player && player.m_unitMovedByMe != this)
if (player && player.GetUnitBeingMoved() != this)
player = null;
}
}
@@ -287,7 +287,7 @@ namespace Game.Entities
else
RemoveUnitMovementFlag(MovementFlag.DisableCollision);
Player playerMover = GetPlayerBeingMoved();
Player playerMover = GetUnitBeingMoved()?.ToPlayer();
if (playerMover)
{
MoveSetFlag packet = new(disable ? ServerOpcodes.MoveSplineEnableCollision : ServerOpcodes.MoveEnableCollision);
@@ -322,7 +322,7 @@ namespace Game.Entities
else
RemoveUnitMovementFlag2(MovementFlag2.CanSwimToFlyTrans);
Player playerMover = GetPlayerBeingMoved();
Player playerMover = GetUnitBeingMoved()?.ToPlayer();
if (playerMover)
{
MoveSetFlag packet = new(enable ? ServerOpcodes.MoveEnableTransitionBetweenSwimAndFly : ServerOpcodes.MoveDisableTransitionBetweenSwimAndFly);
@@ -349,7 +349,7 @@ namespace Game.Entities
else
RemoveUnitMovementFlag2(MovementFlag2.CanTurnWhileFalling);
Player playerMover = GetPlayerBeingMoved();
Player playerMover = GetUnitBeingMoved()?.ToPlayer();
if (playerMover)
{
MoveSetFlag packet = new(enable ? ServerOpcodes.MoveSetCanTurnWhileFalling : ServerOpcodes.MoveUnsetCanTurnWhileFalling);
@@ -375,7 +375,7 @@ namespace Game.Entities
else
RemoveUnitMovementFlag2(MovementFlag2.CanDoubleJump);
Player playerMover = GetPlayerBeingMoved();
Player playerMover = GetUnitBeingMoved()?.ToPlayer();
if (playerMover)
{
MoveSetFlag packet = new(enable ? ServerOpcodes.MoveEnableDoubleJump : ServerOpcodes.MoveDisableDoubleJump);
@@ -672,7 +672,7 @@ namespace Game.Entities
RemoveUnitMovementFlag(MovementFlag.DisableGravity);
Player playerMover = GetPlayerBeingMoved();
Player playerMover = GetUnitBeingMoved()?.ToPlayer();
if (playerMover)
{
MoveSetFlag packet = new(disable ? ServerOpcodes.MoveDisableGravity : ServerOpcodes.MoveEnableGravity);
@@ -816,8 +816,8 @@ namespace Game.Entities
}
}
}
public override void ProcessPositionDataChanged(PositionFullTerrainStatus data)
public override void ProcessPositionDataChanged(PositionFullTerrainStatus data)
{
base.ProcessPositionDataChanged(data);
ProcessTerrainStatusUpdate(data.LiquidStatus, data.LiquidInfo);
@@ -922,7 +922,7 @@ namespace Game.Entities
if (!enable && IsTypeId(TypeId.Player))
ToPlayer().SetFallInformation(0, GetPositionZ());
Player playerMover = GetPlayerBeingMoved();
Player playerMover = GetUnitBeingMoved()?.ToPlayer();
if (playerMover)
{
MoveSetFlag packet = new(enable ? ServerOpcodes.MoveSetCanFly : ServerOpcodes.MoveUnsetCanFly);
@@ -955,7 +955,7 @@ namespace Game.Entities
RemoveUnitMovementFlag(MovementFlag.WaterWalk);
Player playerMover = GetPlayerBeingMoved();
Player playerMover = GetUnitBeingMoved()?.ToPlayer();
if (playerMover)
{
MoveSetFlag packet = new(enable ? ServerOpcodes.MoveSetWaterWalk : ServerOpcodes.MoveSetLandWalk);
@@ -988,7 +988,7 @@ namespace Game.Entities
RemoveUnitMovementFlag(MovementFlag.FallingSlow);
Player playerMover = GetPlayerBeingMoved();
Player playerMover = GetUnitBeingMoved()?.ToPlayer();
if (playerMover)
{
MoveSetFlag packet = new(enable ? ServerOpcodes.MoveSetFeatherFall : ServerOpcodes.MoveSetNormalFall);
@@ -1036,7 +1036,7 @@ namespace Game.Entities
}
}
Player playerMover = GetPlayerBeingMoved();
Player playerMover = GetUnitBeingMoved()?.ToPlayer();
if (playerMover)
{
MoveSetFlag packet = new(enable ? ServerOpcodes.MoveSetHovering : ServerOpcodes.MoveUnsetHovering);
@@ -1107,6 +1107,17 @@ namespace Game.Entities
}
}
public void SetMovedUnit(Unit target)
{
m_unitMovedByMe.m_playerMovingMe = null;
m_unitMovedByMe = target;
m_unitMovedByMe.m_playerMovingMe = ToPlayer();
MoveSetActiveMover packet = new();
packet.MoverGUID = target.GetGUID();
ToPlayer().SendPacket(packet);
}
public void SetControlled(bool apply, UnitState state)
{
if (apply)
@@ -1254,7 +1265,7 @@ namespace Game.Entities
RemoveUnitMovementFlag(MovementFlag.Root);
}
Player playerMover = GetPlayerBeingMoved();// unit controlled by a player.
Player playerMover = GetUnitBeingMoved()?.ToPlayer();// unit controlled by a player.
if (playerMover)
{
MoveSetFlag packet = new(apply ? ServerOpcodes.MoveRoot : ServerOpcodes.MoveUnroot);
@@ -1624,14 +1635,7 @@ namespace Game.Entities
SendMessageToSet(data, true);
}
public Unit GetUnitBeingMoved()
{
Player player = ToPlayer();
if (player)
return player.m_unitMovedByMe;
return null;
}
public Unit GetUnitBeingMoved() { return m_unitMovedByMe; }
Player GetPlayerBeingMoved()
{
@@ -1759,7 +1763,8 @@ namespace Game.Entities
moveUpdateTeleport.MovementForces = _movementForces.GetForces();
Unit broadcastSource = this;
Player playerMover = GetPlayerBeingMoved();
// should this really be the unit _being_ moved? not the unit doing the moving?
Player playerMover = GetUnitBeingMoved()?.ToPlayer();
if (playerMover)
{
float x, y, z, o;