/// <summary>
/// Handles command messages from <see cref="TrackingCameraCommands"/>
/// </summary>
private void HandleCommand( CommandTriggerData triggerData )
{
if ( triggerData.Command == TrackingCameraCommands.Zoom )
{
m_Camera.Radius += ( ( CommandScalarInputState )triggerData.InputState ).Value;
}
else if ( triggerData.Command == TrackingCameraCommands.Pan )
{
if ( !m_Camera.CanModifyLookAtPoint )
{
return;
}
CommandPointInputState cursorMsg = ( CommandPointInputState )triggerData.InputState;
Vector2 delta = cursorMsg.Delta;
UniPoint3 newLookAt = m_Camera.LookAtPoint;
newLookAt += m_Camera.Frame.TransposedXAxis * Units.Convert.MetresToUni( delta.X );
newLookAt += m_Camera.Frame.TransposedYAxis * Units.Convert.MetresToUni( delta.Y );
m_Camera.LookAtPoint = newLookAt;
}
else if ( triggerData.Command == TrackingCameraCommands.Rotate )
{
CommandPointInputState cursorMsg = ( CommandPointInputState )triggerData.InputState;
Vector2 delta = cursorMsg.Delta;
m_Camera.S -= delta.X * 0.01f;
m_Camera.T -= delta.Y * 0.01f;
}
}
public void TestSerializeDeserializeWithNoInputState( )
{
CommandTriggerData dataIn = new CommandTriggerData( m_User, m_Command0, null );
CommandTriggerData dataOut = SerializeDeserialize( m_Formatter, dataIn );
Assert.AreEqual( dataIn.User, dataOut.User );
Assert.AreEqual( dataIn.Command, dataOut.Command );
Assert.AreEqual( dataIn.InputState, dataOut.InputState );
}
public void TestDeserializeTriggerDataWithoutContextThrows( )
{
CommandTriggerData dataIn = new CommandTriggerData( m_User, m_Command0, null );
try
{
SerializeDeserialize( new BinaryFormatter( ), dataIn );
Assert.Fail( "Expected deserialization to throw a TargetInvocationException with an inner IOException" );
}
catch ( Exception ex )
{
Assert.AreEqual( typeof( TargetInvocationException ), ex.GetType( ) );
Assert.AreEqual( typeof( IOException ), ex.InnerException.GetType( ) );
}
}
public void TestSerializeDeserializeWithPointInputState( )
{
CommandTriggerData dataIn = new CommandTriggerData( m_User, m_Command0, new CommandPointInputState( new Point2( 1, 1 ), new Point2( 2, 2 ) ) );
CommandTriggerData dataOut = SerializeDeserialize( m_Formatter, dataIn );
Assert.AreEqual( dataIn.User, dataOut.User );
Assert.AreEqual( dataIn.Command, dataOut.Command );
Assert.IsTrue( Loose.DeepEquality( dataIn.InputState, dataOut.InputState ) );
}
/// <summary>
/// Serializes a CommandTriggerData object, then deserializes it
/// </summary>
private static CommandTriggerData SerializeDeserialize( BinaryFormatter formatter, CommandTriggerData dataIn )
{
MemoryStream stream = new MemoryStream( );
formatter.Serialize( stream, dataIn );
stream.Position = 0;
return ( CommandTriggerData )formatter.Deserialize( stream );
}
/// <summary>
/// Raises the <see cref="CommandTriggered"/> event
/// </summary>
/// <param name="triggerData">Trigger data to pass to the event</param>
/// <remarks>
/// Warning:
/// Calling this does not raise the event <see cref="Command.CommandTriggered"/>, but
/// calling <see cref="Command.Trigger"/> will call this method.
/// Call <see cref="Command.Trigger"/> by preference
/// </remarks>
public void OnCommandTriggered( CommandTriggerData triggerData )
{
Arguments.CheckNotNull( triggerData, "triggerData" );
if ( triggerData.User.Id != Id )
{
throw new ArgumentException( string.Format( "Trigger data did not contain the correct user (was user \"{0}\", expected user \"{1}\"", triggerData.User.Name, Name ) );
}
if ( CommandTriggered != null )
{
CommandTriggered( triggerData );
}
}
private void OnCommandTriggered( CommandTriggerData triggerData )
{
display.Invalidate( );
}
/// <summary>
/// Handles camera commands
/// </summary>
private void HandleCommand( CommandTriggerData triggerData )
{
if ( m_Camera == null )
{
return;
}
float secondsSinceLastUpdate = m_SecondsSinceLastUpdate;
InvariantMatrix44 movementFrame = m_Camera.InverseFrame;
if ( triggerData.Command == FirstPersonCameraCommands.Forwards )
{
m_Camera.Position.Add( movementFrame.ZAxis * -MaxForwardSpeed * secondsSinceLastUpdate );
}
else if ( triggerData.Command == FirstPersonCameraCommands.Backwards )
{
m_Camera.Position.Add( movementFrame.ZAxis * MaxForwardSpeed * secondsSinceLastUpdate );
}
else if ( triggerData.Command == FirstPersonCameraCommands.PitchUp )
{
m_Camera.ChangePitch( -MaxTurnSpeed * secondsSinceLastUpdate );
}
else if ( triggerData.Command == FirstPersonCameraCommands.PitchDown )
{
m_Camera.ChangePitch( MaxTurnSpeed * secondsSinceLastUpdate );
}
else if ( triggerData.Command == FirstPersonCameraCommands.YawLeft )
{
m_Camera.ChangeYaw( MaxTurnSpeed * secondsSinceLastUpdate );
}
else if ( triggerData.Command == FirstPersonCameraCommands.YawRight )
{
m_Camera.ChangeYaw( -MaxTurnSpeed * secondsSinceLastUpdate );
}
else if ( triggerData.Command == FirstPersonCameraCommands.RollClockwise )
{
m_Camera.ChangeRoll( -MaxTurnSpeed * secondsSinceLastUpdate );
}
else if ( triggerData.Command == FirstPersonCameraCommands.RollAnticlockwise )
{
m_Camera.ChangeRoll( MaxTurnSpeed * secondsSinceLastUpdate );
}
else if ( triggerData.Command == FirstPersonCameraCommands.SlipLeft )
{
m_Camera.Position -= movementFrame.XAxis * MaxSlipSpeed * secondsSinceLastUpdate;
}
else if ( triggerData.Command == FirstPersonCameraCommands.SlipRight )
{
m_Camera.Position += movementFrame.XAxis * MaxSlipSpeed * secondsSinceLastUpdate;
}
else if ( triggerData.Command == FirstPersonCameraCommands.Turn )
{
CommandPointInputState pointState = ( CommandPointInputState )triggerData.InputState;
Vector2 delta = pointState.Delta * 0.01f * secondsSinceLastUpdate;
m_Camera.ChangeYaw( -delta.X );
m_Camera.ChangePitch( -delta.Y );
}
}
/// <summary>
/// Triggers the command (raises the command triggered event)
/// </summary>
public virtual void Trigger( CommandTriggerData triggerData )
{
Arguments.CheckNotNull( triggerData, "triggerData" );
if ( CommandTriggered != null )
{
CommandTriggered( triggerData );
}
if ( triggerData.User != null )
{
triggerData.User.OnCommandTriggered( triggerData );
}
}
/// <summary>
/// Handles command messages, from the <see cref="Commands"/> enum
/// </summary>
private void HandleCameraCommand( CommandTriggerData data )
{
if ( data .Command == Zoom )
{
Camera.Zoom += ( ( CommandScalarInputState )data.InputState ).Value;
}
else if ( data.Command == Pan )
{
CommandPointInputState cursorMsg = ( CommandPointInputState )data.InputState;
Vector2 delta = cursorMsg.Delta * PanSpeed;
Point3 newLookAt = Camera.LookAt;
newLookAt += Camera.Frame.XAxis * delta.X;
newLookAt += Camera.Frame.YAxis * delta.Y;
Camera.LookAt = newLookAt;
}
else if ( data.Command == Rotate )
{
CommandPointInputState cursorMsg = ( CommandPointInputState )data.InputState;
Vector2 delta = cursorMsg.Delta * PanSpeed;
Camera.S += delta.X * 0.01f;
Camera.T -= delta.Y * 0.01f;
}
}
