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fix(Scripts/ICC): Fix Valkyr "teleportation" effect caused by movement desynchronization between server and client. (#20080)

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This commit is contained in:
Anton Popovichenko
2024-09-29 13:13:59 +02:00
committed by GitHub
parent 67f587d958
commit 2e0a57084c
1 changed files with 24 additions and 0 deletions
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24
src/server/scripts/Northrend/IcecrownCitadel/boss_the_lich_king.cpp
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@@ -2417,6 +2417,8 @@ public:
ObjectGuid _grabbedPlayer;
bool didbelow50pct;
bool dropped;
bool grabbed;
float _lastSpeed;
InstanceScript* _instance;
bool IsHeroic() { return me->GetMap()->IsHeroic(); }
@@ -2547,6 +2549,8 @@ public:
if (me->HasUnitState(UNIT_STATE_CASTING | UNIT_STATE_STUNNED))
return;
HandleSpeedChangeIfNeeded();
switch (_events.ExecuteEvent())
{
case EVENT_GRAB_PLAYER:
@@ -2557,6 +2561,8 @@ public:
}
break;
case EVENT_MOVE_TO_DROP_POS:
grabbed = true;
_lastSpeed = me->GetSpeed(MOVE_WALK);
me->AddUnitState(UNIT_STATE_NO_ENVIRONMENT_UPD);
me->SetCanFly(false);
me->SetDisableGravity(false);
@@ -2596,6 +2602,24 @@ public:
break;
}
}
// For some reason, when the Valkyr has a slowdown effect, the speed of PointMovementGenerator
// and the speed on the client side differ, which leads to a "teleportation" effect when a stun aura is applied.
// Restarting the motion master on speed change ensures the movement is synced between the server and client.
void HandleSpeedChangeIfNeeded()
{
if (!grabbed || dropped)
return;
if (me->GetSpeed(MOVE_WALK) == _lastSpeed)
return;
_lastSpeed = me->GetSpeed(MOVE_WALK);
me->GetMotionMaster()->Clear();
me->StopMovingOnCurrentPos();
_events.ScheduleEvent(EVENT_MOVE_TO_DROP_POS, 0);
}
};
CreatureAI* GetAI(Creature* creature) const override