private void HandleUseItemInHand(ICommonSession session, GridCoordinates coords, EntityUid uid)
{
// client sanitization
if (!coords.IsValidLocation())
{
Logger.InfoS("system.interaction", $"Invalid Coordinates: client={session}, coords={coords}");
return;
}
if (uid.IsClientSide())
{
Logger.WarningS("system.interaction", $"Client sent interaction with client-side entity. Session={session}, Uid={uid}");
return;
}
UserInteraction(((IPlayerSession)session).AttachedEntity, coords, uid);
}
public void Update(float frameTime)
{
Age += TimeSpan.FromSeconds(frameTime);
if (Age >= Deathtime)
{
return;
}
Velocity += Acceleration * frameTime;
RadialVelocity += RadialAcceleration * frameTime;
TangentialVelocity += TangentialAcceleration * frameTime;
var deltaPosition = new Vector2(0f, 0f);
//If we have an emitter we can do special effects around that emitter position
if (EmitterCoordinates.IsValidLocation())
{
//Calculate delta p due to radial velocity
var positionRelativeToEmitter = Coordinates.ToWorld().Position - EmitterCoordinates.ToWorld().Position;
var deltaRadial = RadialVelocity * frameTime;
deltaPosition = positionRelativeToEmitter * (deltaRadial / positionRelativeToEmitter.Length);
//Calculate delta p due to tangential velocity
var radius = positionRelativeToEmitter.Length;
if (radius > 0)
{
var theta = (float)Math.Atan2(positionRelativeToEmitter.Y, positionRelativeToEmitter.X);
theta += TangentialVelocity * frameTime;
deltaPosition += new Vector2(radius * (float)Math.Cos(theta), radius * (float)Math.Sin(theta))
- positionRelativeToEmitter;
}
}
//Calculate new position from our velocity as well as possible rotation/movement around emitter
deltaPosition += Velocity * frameTime;
Coordinates = new GridCoordinates(Coordinates.Position + deltaPosition, Coordinates.Grid);
//Finish calculating new rotation, size, color
Rotation += RotationRate * frameTime;
Size += SizeDelta * frameTime;
Color += ColorDelta * frameTime;
}
