private void UpdateRotation()
{
// rotate the npc to face the destination (x, z)
var direction = destination - Position;
// setting y to 0 to avoid changing the pitch
direction.Y = 0;
this.Transform.Rotation = Quaternion.FromToRotation(Vector3.Forward, direction);
if (nextRotationCheckTime <= CurrentZone.World.GlobalTime)
{
var yRotation = this.Rotation.EularAngles().Y;
if (Math.Abs(lastOrientation - yRotation) > 0.1f)
{
var rotationEvent = new ObjectTransform
{
ObjectId = this.Guid,
Orientation = yRotation
};
var message = new MmoObjectEventMessage(this, rotationEvent, new MessageParameters {
ChannelId = PeerSettings.MmoObjectEventChannel
});
this.EventChannel.Publish(message);
this.lastOrientation = yRotation;
}
this.nextRotationCheckTime = CurrentZone.World.GlobalTime + ServerGameSettings.OBJECT_ROTATION_CHECK_INTERVAL;
}
}
/// <summary>
/// Publishes a movement stop event
/// </summary>
private void PublishStopEvent()
{
var movementEvent = new ObjectMovement
{
ObjectId = this.Guid,
Speed = 0,
State = (byte)MovementState.Idle
};
var message = new MmoObjectEventMessage(this, movementEvent, new MessageParameters {
ChannelId = PeerSettings.MmoObjectEventChannel
});
this.EventChannel.Publish(message);
}
/// <summary>
/// Called when a property needs to be published to client(s). Publishes a <see cref="MmoObjectEventMessage"/> on the <see cref="EventChannel"/>
/// by default with the changed property.
/// </summary>
protected virtual void PublishProperty(PropertyCode propertyCode, object value)
{
var setProperty = new ObjectProperty
{
ObjectId = this.Guid,
PropertiesCode = (byte)propertyCode,
EventData = value
};
var msg = new MmoObjectEventMessage(this, setProperty, new MessageParameters {
ChannelId = PeerSettings.MmoObjectEventChannel
});
this.EventChannel.Publish(msg);
}
private void UpdateSpellRotation()
{
// rotation will be directly facing the destination
this.Transform.Rotation = Quaternion.FromToRotation(Vector3.Forward, (destination - Position));
if (nextRotationCheckTime <= CurrentZone.World.GlobalTime)
{
var eularAngles = this.Rotation.EularAngles();
var xRotation = eularAngles.X;
var yRotation = eularAngles.Y;
var orientationChanged = Math.Abs(lastOrientation - yRotation) > 0.1f;
var pitchChanged = Math.Abs(lastPitch - xRotation) > 0.1f;
// send update if the rotation changed
if (orientationChanged || pitchChanged)
{
var rotationEvent = new ObjectTransform
{
ObjectId = this.Guid,
};
if (orientationChanged)
{
rotationEvent.Orientation = yRotation;
this.lastOrientation = yRotation;
}
if (pitchChanged)
{
rotationEvent.Pitch = xRotation;
this.lastPitch = xRotation;
}
var message = new MmoObjectEventMessage(this, rotationEvent, new MessageParameters {
ChannelId = PeerSettings.MmoObjectEventChannel
});
this.EventChannel.Publish(message);
}
this.nextRotationCheckTime = CurrentZone.World.GlobalTime + ServerGameSettings.OBJECT_ROTATION_CHECK_INTERVAL;
}
}
/// <summary>
/// Moves the <see cref="Npc"/>'s position towards the destination
/// </summary>
private void Move(float deltaTime)
{
// direction is based on the velocity since the npc can move in any direction based on AI
var direction = Vector3.Transform(uVelocity, this.Transform.Rotation).Normalize();
// note: deltaTime is in seconds
var newPosition = this.Position + direction * this.CurrentSpeed * deltaTime;
// clamping to avoid walking off the terrain
newPosition = this.CurrentZone.Bounds.Clamp(newPosition);
newPosition.Y = this.CurrentZone.GetHeight(newPosition.X, newPosition.Z);
this.Transform.Position = newPosition;
var speedChanged = (lastSpeed != this.CurrentSpeed);
var directionChanged = (lastDirection != this.CurrentDirection);
var stateChanged = (lastMovementState != this.CurrentMovementState);
if (speedChanged || stateChanged || directionChanged)
{
var movementEvent = new ObjectMovement
{
ObjectId = this.Guid,
};
if (speedChanged)
{
movementEvent.Speed = (byte)this.CurrentSpeed;
this.lastSpeed = this.CurrentSpeed;
}
var yRotation = this.Rotation.EularAngles().Y;
if (Math.Abs(lastOrientation - yRotation) > 0.1f)
{
movementEvent.Orientation = yRotation;
this.lastOrientation = yRotation;
}
if (directionChanged)
{
movementEvent.Direction = (byte)this.CurrentDirection;
this.lastDirection = this.CurrentDirection;
}
if (stateChanged)
{
movementEvent.State = (byte)this.CurrentMovementState;
this.lastMovementState = this.CurrentMovementState;
}
var message = new MmoObjectEventMessage(this, movementEvent, new MessageParameters {
ChannelId = PeerSettings.MmoObjectEventChannel
});
this.EventChannel.Publish(message);
}
if (nextMovementPublishTime <= CurrentZone.World.GlobalTime)
{
this.UpdateInterestManagement();
var positionEvent = new ObjectTransform
{
ObjectId = this.Guid,
Position = this.Position.ToFloatArray(3)
};
var message = new MmoObjectEventMessage(this, positionEvent, new MessageParameters {
ChannelId = PeerSettings.MmoObjectEventChannel
});
// TODO: Consider sending this unreliable and reducing the update interval
this.EventChannel.Publish(message);
this.nextMovementPublishTime = CurrentZone.World.GlobalTime + ServerGameSettings.OBJECT_MOVEMENT_PUBLISH_INTERVAL;
}
}
/// <summary>
/// Moves the <see cref="Dynamic"/>'s position towards the destination
/// </summary>
protected void DoSpellMove(Vector3 position, int deltaTime)
{
// the element can move only in the forward (+z) direction (facing the target most of the time)
var direction = Vector3.Transform(Vector3.Forward, this.Rotation).Normalize();
// note: deltaTime is in milliseconds
var newPos = this.Position + direction * this.CurrentSpeed * (deltaTime / 1000f);
// clamping to avoid walking off the terrain
this.Transform.Position = this.CurrentZone.Bounds.Clamp(newPos);
// send update if the speed changed
if (lastSpeed != this.CurrentSpeed)
{
var movementEvent = new ObjectMovement
{
ObjectId = this.Guid,
Speed = (byte)this.CurrentSpeed,
};
this.lastSpeed = this.CurrentSpeed;
var eularAngles = this.Rotation.EularAngles();
var yRotation = eularAngles.Y;
// check the rotation for changes so we can send it with this update rather than let the UpdateRotation() handle it
// this way we can send it as one update rather than two
if (Math.Abs(lastOrientation - yRotation) > 0.1f)
{
movementEvent.Orientation = yRotation;
this.lastOrientation = yRotation;
}
var xRotation = eularAngles.X;
// check the rotation for changes so we can send it with this update rather than let the UpdateRotation() handle it
// this way we can send it as one update rather than two
if (Math.Abs(lastPitch - xRotation) > 0.1f)
{
movementEvent.Pitch = xRotation;
this.lastPitch = xRotation;
}
var message = new MmoObjectEventMessage(this, movementEvent, new MessageParameters {
ChannelId = PeerSettings.MmoObjectEventChannel
});
this.EventChannel.Publish(message);
}
// publishing our real position in case the client needs a position correction
if (nextMovementPublishTime <= CurrentZone.World.GlobalTime)
{
this.UpdateInterestManagement();
var positionEvent = new ObjectTransform
{
ObjectId = this.Guid,
Position = this.Position.ToFloatArray(3)
};
var message = new MmoObjectEventMessage(this, positionEvent, new MessageParameters {
ChannelId = PeerSettings.MmoObjectEventChannel
});
// TODO: Consider sending this unreliable and reducing the update interval
this.EventChannel.Publish(message);
this.nextMovementPublishTime = CurrentZone.World.GlobalTime + ServerGameSettings.OBJECT_MOVEMENT_PUBLISH_INTERVAL;
}
}
/// <summary>
/// The subscribed item event.
/// </summary>
private void SubscribedItem_OnGameObjectEvent(MmoObjectEventMessage message)
{
this.receiver.SendEvent(message.EventData, message.Parameters);
}
