void InitOrbit(AreaTriggerOrbitInfo cmi, uint timeToTarget)
{
// Circular movement requires either a center position or an attached unit
Cypher.Assert(cmi.Center.HasValue || cmi.PathTarget.HasValue);
// should be sent in object create packets only
DoWithSuppressingObjectUpdates(() =>
{
SetUpdateFieldValue(m_values.ModifyValue(m_areaTriggerData).ModifyValue(m_areaTriggerData.TimeToTarget), timeToTarget);
m_areaTriggerData.ClearChanged(m_areaTriggerData.TimeToTarget);
});
_orbitInfo.Set(cmi);
_orbitInfo.Value.TimeToTarget = timeToTarget;
_orbitInfo.Value.ElapsedTimeForMovement = 0;
if (IsInWorld)
{
AreaTriggerRePath reshape = new();
reshape.TriggerGUID = GetGUID();
reshape.AreaTriggerOrbit = _orbitInfo;
SendMessageToSet(reshape, true);
}
}
Position CalculateOrbitPosition()
{
Position centerPos = GetOrbitCenterPosition();
if (centerPos == null)
{
return(GetPosition());
}
AreaTriggerOrbitInfo cmi = _orbitInfo.Value;
// AreaTrigger make exactly "Duration / TimeToTarget" loops during his life time
float pathProgress = (float)cmi.ElapsedTimeForMovement / cmi.TimeToTarget;
// We already made one circle and can't loop
if (!cmi.CanLoop)
{
pathProgress = Math.Min(1.0f, pathProgress);
}
float radius = cmi.Radius;
if (MathFunctions.fuzzyNe(cmi.BlendFromRadius, radius))
{
float blendCurve = (cmi.BlendFromRadius - radius) / radius;
// 4.f Defines four quarters
blendCurve = MathFunctions.RoundToInterval(ref blendCurve, 1.0f, 4.0f) / 4.0f;
float blendProgress = Math.Min(1.0f, pathProgress / blendCurve);
radius = MathFunctions.lerp(cmi.BlendFromRadius, cmi.Radius, blendProgress);
}
// Adapt Path progress depending of circle direction
if (!cmi.CounterClockwise)
{
pathProgress *= -1;
}
float angle = cmi.InitialAngle + 2.0f * (float)Math.PI * pathProgress;
float x = centerPos.GetPositionX() + (radius * (float)Math.Cos(angle));
float y = centerPos.GetPositionY() + (radius * (float)Math.Sin(angle));
float z = centerPos.GetPositionZ() + cmi.ZOffset;
return(new Position(x, y, z, angle));
}
bool Create(uint spellMiscId, Unit caster, Unit target, SpellInfo spell, Position pos, int duration, SpellCastVisualField spellVisual, ObjectGuid castId, AuraEffect aurEff)
{
_targetGuid = target ? target.GetGUID() : ObjectGuid.Empty;
_aurEff = aurEff;
SetMap(caster.GetMap());
Relocate(pos);
if (!IsPositionValid())
{
Log.outError(LogFilter.AreaTrigger, $"AreaTrigger (spell {spell.Id}) not created. Invalid coordinates (X: {GetPositionX()} Y: {GetPositionY()})");
return(false);
}
_areaTriggerMiscTemplate = Global.AreaTriggerDataStorage.GetAreaTriggerMiscTemplate(spellMiscId);
if (_areaTriggerMiscTemplate == null)
{
Log.outError(LogFilter.AreaTrigger, "AreaTrigger (spellMiscId {0}) not created. Invalid areatrigger miscid ({1})", spellMiscId, spellMiscId);
return(false);
}
_areaTriggerTemplate = _areaTriggerMiscTemplate.Template;
_Create(ObjectGuid.Create(HighGuid.AreaTrigger, GetMapId(), GetTemplate().Id.Id, caster.GetMap().GenerateLowGuid(HighGuid.AreaTrigger)));
SetEntry(GetTemplate().Id.Id);
SetDuration(duration);
SetObjectScale(1.0f);
SetUpdateFieldValue(m_values.ModifyValue(m_areaTriggerData).ModifyValue(m_areaTriggerData.Caster), caster.GetGUID());
SetUpdateFieldValue(m_values.ModifyValue(m_areaTriggerData).ModifyValue(m_areaTriggerData.CreatingEffectGUID), castId);
SetUpdateFieldValue(m_values.ModifyValue(m_areaTriggerData).ModifyValue(m_areaTriggerData.SpellID), spell.Id);
SetUpdateFieldValue(m_values.ModifyValue(m_areaTriggerData).ModifyValue(m_areaTriggerData.SpellForVisuals), spell.Id);
SpellCastVisualField spellCastVisual = m_values.ModifyValue(m_areaTriggerData).ModifyValue(m_areaTriggerData.SpellVisual);
SetUpdateFieldValue(ref spellCastVisual.SpellXSpellVisualID, spellVisual.SpellXSpellVisualID);
SetUpdateFieldValue(ref spellCastVisual.ScriptVisualID, spellVisual.ScriptVisualID);
SetUpdateFieldValue(m_values.ModifyValue(m_areaTriggerData).ModifyValue(m_areaTriggerData.TimeToTargetScale), GetMiscTemplate().TimeToTargetScale != 0 ? GetMiscTemplate().TimeToTargetScale : m_areaTriggerData.Duration);
SetUpdateFieldValue(m_values.ModifyValue(m_areaTriggerData).ModifyValue(m_areaTriggerData.BoundsRadius2D), GetTemplate().MaxSearchRadius);
SetUpdateFieldValue(m_values.ModifyValue(m_areaTriggerData).ModifyValue(m_areaTriggerData.DecalPropertiesID), GetMiscTemplate().DecalPropertiesId);
ScaleCurve extraScaleCurve = m_values.ModifyValue(m_areaTriggerData).ModifyValue(m_areaTriggerData.ExtraScaleCurve);
if (GetMiscTemplate().ExtraScale.Structured.StartTimeOffset != 0)
{
SetUpdateFieldValue(extraScaleCurve.ModifyValue(extraScaleCurve.StartTimeOffset), GetMiscTemplate().ExtraScale.Structured.StartTimeOffset);
}
if (GetMiscTemplate().ExtraScale.Structured.X != 0 || GetMiscTemplate().ExtraScale.Structured.Y != 0)
{
Vector2 point = new(GetMiscTemplate().ExtraScale.Structured.X, GetMiscTemplate().ExtraScale.Structured.Y);
SetUpdateFieldValue(ref extraScaleCurve.ModifyValue(extraScaleCurve.Points, 0), point);
}
if (GetMiscTemplate().ExtraScale.Structured.Z != 0 || GetMiscTemplate().ExtraScale.Structured.W != 0)
{
Vector2 point = new(GetMiscTemplate().ExtraScale.Structured.Z, GetMiscTemplate().ExtraScale.Structured.W);
SetUpdateFieldValue(ref extraScaleCurve.ModifyValue(extraScaleCurve.Points, 1), point);
}
unsafe
{
if (GetMiscTemplate().ExtraScale.Raw.Data[5] != 0)
{
SetUpdateFieldValue(extraScaleCurve.ModifyValue(extraScaleCurve.ParameterCurve), GetMiscTemplate().ExtraScale.Raw.Data[5]);
}
if (GetMiscTemplate().ExtraScale.Structured.OverrideActive != 0)
{
SetUpdateFieldValue(extraScaleCurve.ModifyValue(extraScaleCurve.OverrideActive), GetMiscTemplate().ExtraScale.Structured.OverrideActive != 0 ? true : false);
}
}
PhasingHandler.InheritPhaseShift(this, caster);
if (target && GetTemplate().HasFlag(AreaTriggerFlags.HasAttached))
{
m_movementInfo.transport.guid = target.GetGUID();
}
UpdateShape();
uint timeToTarget = GetMiscTemplate().TimeToTarget != 0 ? GetMiscTemplate().TimeToTarget : m_areaTriggerData.Duration;
if (GetTemplate().HasFlag(AreaTriggerFlags.HasCircularMovement))
{
AreaTriggerOrbitInfo cmi = GetMiscTemplate().OrbitInfo;
if (target && GetTemplate().HasFlag(AreaTriggerFlags.HasAttached))
{
cmi.PathTarget.Set(target.GetGUID());
}
else
{
cmi.Center.Set(new Vector3(pos.posX, pos.posY, pos.posZ));
}
InitOrbit(cmi, timeToTarget);
}
else if (GetMiscTemplate().HasSplines())
{
InitSplineOffsets(GetMiscTemplate().SplinePoints, timeToTarget);
}
// movement on transport of areatriggers on unit is handled by themself
Transport transport = m_movementInfo.transport.guid.IsEmpty() ? caster.GetTransport() : null;
if (transport)
{
float x, y, z, o;
pos.GetPosition(out x, out y, out z, out o);
transport.CalculatePassengerOffset(ref x, ref y, ref z, ref o);
m_movementInfo.transport.pos.Relocate(x, y, z, o);
// This object must be added to transport before adding to map for the client to properly display it
transport.AddPassenger(this);
}
AI_Initialize();
// Relocate areatriggers with circular movement again
if (HasOrbit())
{
Relocate(CalculateOrbitPosition());
}
if (!GetMap().AddToMap(this))
{ // Returning false will cause the object to be deleted - remove from transport
if (transport)
{
transport.RemovePassenger(this);
}
return(false);
}
caster._RegisterAreaTrigger(this);
_ai.OnCreate();
return(true);
}