private Task ApplyFace(MapDocument document, PerspectiveCamera camera, Face face, IMapObject parent)
{
// Right: use defined action
// Alt+Right: apply + align
// Shift+Right: apply only
// Ctrl+Right: nothing...?
var action = _rightClickAction;
if (KeyboardState.Alt)
{
action = ClickAction.Apply | ClickAction.AlignToSample;
}
if (KeyboardState.Shift)
{
action = ClickAction.Apply;
}
var sampleFace = GetSelection(document).FirstOrDefault();
var activeTexture = document.Map.Data.GetOne <ActiveTexture>()?.Name ?? sampleFace?.Texture.Name ?? "";
if (String.IsNullOrWhiteSpace(activeTexture))
{
return(Task.CompletedTask);
}
var clone = (Face)face.Clone();
bool changed = false;
// Apply texture
if (!String.IsNullOrWhiteSpace(activeTexture) && action.HasFlag(ClickAction.Apply))
{
clone.Texture.Name = activeTexture;
changed = true;
}
// Apply values
if (camera != null && action.HasFlag(ClickAction.AlignToView))
{
// align to camera
var uaxis = camera.GetRight();
var vaxis = camera.GetUp();
var pos = camera.Location;
clone.Texture.SetRotation(0);
clone.Texture.XScale = 1;
clone.Texture.YScale = 1;
clone.Texture.UAxis = uaxis;
clone.Texture.VAxis = vaxis;
clone.Texture.XShift = Vector3.Dot(uaxis, pos);
clone.Texture.YShift = Vector3.Dot(vaxis, pos);
changed = true;
}
else if (sampleFace != null && action.HasFlag(ClickAction.AlignToSample))
{
// align to face
clone.Texture.AlignWithTexture(clone.Plane, sampleFace.Plane, sampleFace.Texture);
changed = true;
}
else if (sampleFace != null && action.HasFlag(ClickAction.Values))
{
// apply values
clone.Texture.SetRotation(sampleFace.Texture.Rotation);
clone.Texture.XScale = sampleFace.Texture.XScale;
clone.Texture.XShift = sampleFace.Texture.XShift;
clone.Texture.YScale = sampleFace.Texture.YScale;
clone.Texture.YShift = sampleFace.Texture.YShift;
changed = true;
}
if (!changed)
{
return(Task.CompletedTask);
}
var edit = new Transaction(
new RemoveMapObjectData(parent.ID, face),
new AddMapObjectData(parent.ID, clone)
);
return(MapDocumentOperation.Perform(document, edit));
}
