void HandleCancelChanneling(CancelChannelling cancelChanneling)
{
// ignore for remote control state (for player case)
Unit mover = _player.GetUnitBeingMoved();
if (mover != _player && mover.IsTypeId(TypeId.Player))
{
return;
}
var spellInfo = Global.SpellMgr.GetSpellInfo((uint)cancelChanneling.ChannelSpell, mover.GetMap().GetDifficultyID());
if (spellInfo == null)
{
return;
}
// not allow remove spells with attr SPELL_ATTR0_CANT_CANCEL
if (spellInfo.HasAttribute(SpellAttr0.CantCancel))
{
return;
}
var spell = mover.GetCurrentSpell(CurrentSpellTypes.Channeled);
if (spell == null || spell.GetSpellInfo().Id != spellInfo.Id)
{
return;
}
mover.InterruptSpell(CurrentSpellTypes.Channeled);
}
void HandleUpdateMissileTrajectory(UpdateMissileTrajectory packet)
{
Unit caster = Global.ObjAccessor.GetUnit(GetPlayer(), packet.Guid);
Spell spell = caster ? caster.GetCurrentSpell(CurrentSpellTypes.Generic) : null;
if (!spell || spell.m_spellInfo.Id != packet.SpellID || !spell.m_targets.HasDst() || !spell.m_targets.HasSrc())
{
return;
}
Position pos = spell.m_targets.GetSrcPos();
pos.Relocate(packet.FirePos);
spell.m_targets.ModSrc(pos);
pos = spell.m_targets.GetDstPos();
pos.Relocate(packet.ImpactPos);
spell.m_targets.ModDst(pos);
spell.m_targets.SetPitch(packet.Pitch);
spell.m_targets.SetSpeed(packet.Speed);
if (packet.Status.HasValue)
{
GetPlayer().ValidateMovementInfo(packet.Status.Value);
/*public uint opcode;
* recvPacket >> opcode;
* recvPacket.SetOpcode(CMSG_MOVE_STOP); // always set to CMSG_MOVE_STOP in client SetOpcode
* //HandleMovementOpcodes(recvPacket);*/
}
}
void HandleCastSpell(CastSpell cast)
{
// ignore for remote control state (for player case)
Unit mover = GetPlayer().GetUnitBeingMoved();
if (mover != GetPlayer() && mover.IsTypeId(TypeId.Player))
{
return;
}
SpellInfo spellInfo = Global.SpellMgr.GetSpellInfo(cast.Cast.SpellID, mover.GetMap().GetDifficultyID());
if (spellInfo == null)
{
Log.outError(LogFilter.Network, "WORLD: unknown spell id {0}", cast.Cast.SpellID);
return;
}
if (spellInfo.IsPassive())
{
return;
}
Unit caster = mover;
if (caster.IsTypeId(TypeId.Unit) && !caster.ToCreature().HasSpell(spellInfo.Id))
{
// If the vehicle creature does not have the spell but it allows the passenger to cast own spells
// change caster to player and let him cast
if (!GetPlayer().IsOnVehicle(caster) || spellInfo.CheckVehicle(GetPlayer()) != SpellCastResult.SpellCastOk)
{
return;
}
caster = GetPlayer();
}
TriggerCastFlags triggerFlag = TriggerCastFlags.None;
// client provided targets
SpellCastTargets targets = new(caster, cast.Cast);
// check known spell or raid marker spell (which not requires player to know it)
if (caster.IsTypeId(TypeId.Player) && !caster.ToPlayer().HasActiveSpell(spellInfo.Id) && !spellInfo.HasEffect(SpellEffectName.ChangeRaidMarker) && !spellInfo.HasAttribute(SpellAttr8.RaidMarker))
{
bool allow = false;
// allow casting of unknown spells for special lock cases
GameObject go = targets.GetGOTarget();
if (go != null)
{
if (go.GetSpellForLock(caster.ToPlayer()) == spellInfo)
{
allow = true;
}
}
// allow casting of spells triggered by clientside periodic trigger auras
if (caster.HasAuraTypeWithTriggerSpell(AuraType.PeriodicTriggerSpellFromClient, spellInfo.Id))
{
allow = true;
triggerFlag = TriggerCastFlags.FullMask;
}
if (!allow)
{
return;
}
}
// Check possible spell cast overrides
spellInfo = caster.GetCastSpellInfo(spellInfo);
// can't use our own spells when we're in possession of another unit,
if (GetPlayer().IsPossessing())
{
return;
}
// Client is resending autoshot cast opcode when other spell is cast during shoot rotation
// Skip it to prevent "interrupt" message
// Also check targets! target may have changed and we need to interrupt current spell
if (spellInfo.IsAutoRepeatRangedSpell())
{
Spell autoRepeatSpell = caster.GetCurrentSpell(CurrentSpellTypes.AutoRepeat);
if (autoRepeatSpell != null)
{
if (autoRepeatSpell.m_spellInfo == spellInfo && autoRepeatSpell.m_targets.GetUnitTargetGUID() == targets.GetUnitTargetGUID())
{
return;
}
}
}
// auto-selection buff level base at target level (in spellInfo)
if (targets.GetUnitTarget() != null)
{
SpellInfo actualSpellInfo = spellInfo.GetAuraRankForLevel(targets.GetUnitTarget().GetLevelForTarget(caster));
// if rank not found then function return NULL but in explicit cast case original spell can be casted and later failed with appropriate error message
if (actualSpellInfo != null)
{
spellInfo = actualSpellInfo;
}
}
if (cast.Cast.MoveUpdate.HasValue)
{
HandleMovementOpcode(ClientOpcodes.MoveStop, cast.Cast.MoveUpdate.Value);
}
Spell spell = new(caster, spellInfo, triggerFlag);
SpellPrepare spellPrepare = new();
spellPrepare.ClientCastID = cast.Cast.CastID;
spellPrepare.ServerCastID = spell.m_castId;
SendPacket(spellPrepare);
spell.m_fromClient = true;
spell.m_misc.Data0 = cast.Cast.Misc[0];
spell.m_misc.Data1 = cast.Cast.Misc[1];
spell.Prepare(targets);
}
