private Task ApplyFace(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().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));
}
private Task SelectFace(PerspectiveCamera camera, Face face, IMapObject parent)
{
// Left: use defined action
// Alt+Left: lift
// Shift+Left: lift + select all
// Ctrl+Left: use toggle selection
var action = _leftClickAction;
if (KeyboardState.Alt)
{
action = ClickAction.Lift;
}
if (KeyboardState.Shift || KeyboardState.Ctrl)
{
action = ClickAction.Select | ClickAction.Lift;
}
var sel = GetSelection();
if (action.HasFlag(ClickAction.Lift))
{
// Only sample the face if we're selecting it
if (!KeyboardState.Ctrl || !sel.IsSelected(parent, face))
{
SetActiveTexture(face);
}
}
// Just sample texture without changing selection
if (!action.HasFlag(ClickAction.Select))
{
return(Task.CompletedTask);
}
// Clear selection if ctrl isn't down
if (!KeyboardState.Ctrl)
{
sel.Clear();
}
// Get the list of faces to toggle selection
var faces = new HashSet <Face> {
face
};
// If shift is down, select all
if (KeyboardState.Shift)
{
faces.UnionWith(parent.Data.OfType <Face>());
}
// Toggle selection of all faces
foreach (var tf in faces)
{
if (sel.IsSelected(parent, tf))
{
sel.Remove(parent, tf);
}
else
{
sel.Add(parent, tf);
}
}
Oy.Publish("TextureTool:SelectionChanged", GetSelection());
Invalidate();
return(Task.CompletedTask);
}