// Copyright (c) ppy Pty Ltd . Licensed under the MIT Licence. // See the LICENCE file in the repository root for full licence text. using System; using System.Collections.Generic; using System.Linq; using osu.Framework.Graphics; using osu.Framework.Graphics.UserInterface; using osu.Game.Extensions; using osu.Game.Graphics.UserInterface; using osu.Game.Rulesets.Edit; using osu.Game.Screens.Edit.Compose.Components; using osu.Game.Screens.Play.HUD; using osuTK; namespace osu.Game.Skinning.Editor { public class SkinSelectionHandler : SelectionHandler { protected override void DeleteItems(IEnumerable items) { foreach (var i in items) i.Hide(); } protected override IEnumerable GetContextMenuItemsForSelection(IEnumerable> selection) { yield return new OsuMenuItem("Anchor") { Items = createAnchorItems().ToArray() }; foreach (var item in base.GetContextMenuItemsForSelection(selection)) yield return item; IEnumerable createAnchorItems() { var displayableAnchors = new[] { Anchor.TopLeft, Anchor.TopCentre, Anchor.TopRight, Anchor.CentreLeft, Anchor.Centre, Anchor.CentreRight, Anchor.BottomLeft, Anchor.BottomCentre, Anchor.BottomRight, }; return displayableAnchors.Select(a => { var countExisting = selection.Count(b => ((Drawable)b.Item).Anchor == a); var countTotal = selection.Count(); TernaryState state; if (countExisting == countTotal) state = TernaryState.True; else if (countExisting > 0) state = TernaryState.Indeterminate; else state = TernaryState.False; return new AnchorMenuItem(a, selection, _ => applyAnchor(a)) { State = { Value = state } }; }); } } private void applyAnchor(Anchor anchor) { foreach (var item in SelectedItems) ((Drawable)item).Anchor = anchor; } protected override void OnSelectionChanged() { base.OnSelectionChanged(); SelectionBox.CanRotate = true; SelectionBox.CanScaleX = true; SelectionBox.CanScaleY = true; SelectionBox.CanReverse = false; } public override bool HandleRotation(float angle) { // TODO: this doesn't correctly account for origin/anchor specs being different in a multi-selection. foreach (var c in SelectedBlueprints) ((Drawable)c.Item).Rotation += angle; return base.HandleRotation(angle); } public override bool HandleScale(Vector2 scale, Anchor anchor) { adjustScaleFromAnchor(ref scale, anchor); foreach (var c in SelectedBlueprints) ((Drawable)c.Item).Scale += scale * 0.01f; return true; } public override bool HandleMovement(MoveSelectionEvent moveEvent) { foreach (var c in SelectedBlueprints) { Drawable drawable = (Drawable)c.Item; drawable.Position += drawable.ScreenSpaceDeltaToParentSpace(moveEvent.ScreenSpaceDelta); } return true; } private static void adjustScaleFromAnchor(ref Vector2 scale, Anchor reference) { // cancel out scale in axes we don't care about (based on which drag handle was used). if ((reference & Anchor.x1) > 0) scale.X = 0; if ((reference & Anchor.y1) > 0) scale.Y = 0; // reverse the scale direction if dragging from top or left. if ((reference & Anchor.x0) > 0) scale.X = -scale.X; if ((reference & Anchor.y0) > 0) scale.Y = -scale.Y; } public class AnchorMenuItem : TernaryStateMenuItem { public AnchorMenuItem(Anchor anchor, IEnumerable> selection, Action action) : base(anchor.ToString(), getNextState, MenuItemType.Standard, action) { } private void updateState(TernaryState obj) { throw new NotImplementedException(); } private static TernaryState getNextState(TernaryState state) => TernaryState.True; } } }