/// <summary>
/// Sets the active mode.
/// </summary>
/// <param name="mode">The mode.</param>
public void SetActiveMode(EditorGizmoMode mode)
{
if (mode == _activeMode)
{
return;
}
if (mode != null)
{
if (!_modes.Contains(mode))
{
throw new ArgumentException("Not added.");
}
if (mode.Viewport != this)
{
throw new ArgumentException("Not added to this viewport.");
}
}
_activeMode?.OnDeactivated();
Gizmos.Active = null;
_activeMode = mode;
_activeMode?.OnActivated();
ActiveModeChanged?.Invoke(mode);
}
private void DisposeModes()
{
// Cleanup
_activeMode = null;
for (int i = 0; i < _modes.Count; i++)
{
_modes[i].Dispose();
}
_modes.Clear();
}
private void InitModes()
{
// Add default modes used by the editor
_modes.Add(new TransformGizmoMode());
_modes.Add(SculptTerrainGizmo = new Tools.Terrain.SculptTerrainGizmoMode());
_modes.Add(PaintTerrainGizmo = new Tools.Terrain.PaintTerrainGizmoMode());
_modes.Add(EditTerrainGizmo = new Tools.Terrain.EditTerrainGizmoMode());
for (int i = 0; i < _modes.Count; i++)
{
_modes[i].Init(this);
}
// Activate transform mode first
_activeMode = _modes[0];
}
/// <summary>
/// Adds the mode to the viewport.
/// </summary>
/// <param name="mode">The mode.</param>
public void AddMode(EditorGizmoMode mode)
{
if (mode == null)
{
throw new ArgumentNullException(nameof(mode));
}
if (_modes.Contains(mode))
{
throw new ArgumentException("Already added.");
}
if (mode.Viewport != null)
{
throw new ArgumentException("Already added to other viewport.");
}
_modes.Add(mode);
}
/// <summary>
/// Removes the mode from the viewport.
/// </summary>
/// <param name="mode">The mode.</param>
public void RemoveMode(EditorGizmoMode mode)
{
if (mode == null)
{
throw new ArgumentNullException(nameof(mode));
}
if (!_modes.Contains(mode))
{
throw new ArgumentException("Not added.");
}
if (mode.Viewport != this)
{
throw new ArgumentException("Not added to this viewport.");
}
if (_activeMode == mode)
{
SetActiveMode(null);
}
_modes.Remove(mode);
}
