mirror of
https://github.com/ppy/osu.git
synced 2024-12-18 09:32:58 +08:00
137 lines
4.3 KiB
C#
137 lines
4.3 KiB
C#
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
|
|
// See the LICENCE file in the repository root for full licence text.
|
|
|
|
using System;
|
|
using osu.Framework.Allocation;
|
|
using osu.Framework.Bindables;
|
|
using osu.Framework.Graphics;
|
|
using osu.Framework.Graphics.Cursor;
|
|
using osu.Framework.Graphics.Sprites;
|
|
using osu.Framework.Input.Events;
|
|
using osu.Framework.Localisation;
|
|
using osu.Game.Localisation;
|
|
using osuTK;
|
|
using osuTK.Graphics;
|
|
using osuTK.Input;
|
|
|
|
namespace osu.Game.Screens.Edit.Compose.Components
|
|
{
|
|
public partial class SelectionBoxRotationHandle : SelectionBoxDragHandle, IHasTooltip
|
|
{
|
|
public LocalisableString TooltipText { get; private set; }
|
|
|
|
private SpriteIcon icon = null!;
|
|
|
|
private const float snap_step = 15;
|
|
|
|
private readonly Bindable<float?> cumulativeRotation = new Bindable<float?>();
|
|
|
|
[Resolved]
|
|
private SelectionBox selectionBox { get; set; } = null!;
|
|
|
|
[Resolved]
|
|
private SelectionRotationHandler? rotationHandler { get; set; }
|
|
|
|
[BackgroundDependencyLoader]
|
|
private void load()
|
|
{
|
|
Size = new Vector2(15f);
|
|
AddInternal(icon = new SpriteIcon
|
|
{
|
|
RelativeSizeAxes = Axes.Both,
|
|
Size = new Vector2(0.5f),
|
|
Anchor = Anchor.Centre,
|
|
Origin = Anchor.Centre,
|
|
Icon = FontAwesome.Solid.Redo,
|
|
Scale = new Vector2
|
|
{
|
|
X = Anchor.HasFlag(Anchor.x0) ? 1f : -1f,
|
|
Y = Anchor.HasFlag(Anchor.y0) ? 1f : -1f
|
|
}
|
|
});
|
|
}
|
|
|
|
protected override void UpdateHoverState()
|
|
{
|
|
base.UpdateHoverState();
|
|
icon.FadeColour(!IsHeld && IsHovered ? Color4.White : Color4.Black, TRANSFORM_DURATION, Easing.OutQuint);
|
|
}
|
|
|
|
private float rawCumulativeRotation;
|
|
|
|
protected override bool OnDragStart(DragStartEvent e)
|
|
{
|
|
if (e.Button != MouseButton.Left)
|
|
return false;
|
|
|
|
if (rotationHandler == null) return false;
|
|
|
|
if (rotationHandler.OperationInProgress.Value)
|
|
return false;
|
|
|
|
rotationHandler.Begin();
|
|
return true;
|
|
}
|
|
|
|
protected override void OnDrag(DragEvent e)
|
|
{
|
|
base.OnDrag(e);
|
|
|
|
rawCumulativeRotation += convertDragEventToAngleOfRotation(e);
|
|
|
|
applyRotation(shouldSnap: e.ShiftPressed);
|
|
}
|
|
|
|
protected override bool OnKeyDown(KeyDownEvent e)
|
|
{
|
|
if (IsDragged && (e.Key == Key.ShiftLeft || e.Key == Key.ShiftRight))
|
|
{
|
|
applyRotation(shouldSnap: true);
|
|
return true;
|
|
}
|
|
|
|
return base.OnKeyDown(e);
|
|
}
|
|
|
|
protected override void OnKeyUp(KeyUpEvent e)
|
|
{
|
|
base.OnKeyUp(e);
|
|
|
|
if (IsDragged && (e.Key == Key.ShiftLeft || e.Key == Key.ShiftRight))
|
|
applyRotation(shouldSnap: false);
|
|
}
|
|
|
|
protected override void OnDragEnd(DragEndEvent e)
|
|
{
|
|
rotationHandler?.Commit();
|
|
UpdateHoverState();
|
|
|
|
cumulativeRotation.Value = null;
|
|
rawCumulativeRotation = 0;
|
|
TooltipText = default;
|
|
}
|
|
|
|
private float convertDragEventToAngleOfRotation(DragEvent e)
|
|
{
|
|
// Adjust coordinate system to the center of SelectionBox
|
|
float startAngle = MathF.Atan2(e.LastMousePosition.Y - selectionBox.DrawHeight / 2, e.LastMousePosition.X - selectionBox.DrawWidth / 2);
|
|
float endAngle = MathF.Atan2(e.MousePosition.Y - selectionBox.DrawHeight / 2, e.MousePosition.X - selectionBox.DrawWidth / 2);
|
|
|
|
return (endAngle - startAngle) * 180 / MathF.PI;
|
|
}
|
|
|
|
private void applyRotation(bool shouldSnap)
|
|
{
|
|
float newRotation = shouldSnap ? snap(rawCumulativeRotation, snap_step) : MathF.Round(rawCumulativeRotation);
|
|
newRotation = (newRotation - 180) % 360 + 180;
|
|
|
|
cumulativeRotation.Value = newRotation;
|
|
|
|
rotationHandler?.Update(newRotation);
|
|
TooltipText = shouldSnap ? EditorStrings.RotationSnapped(newRotation) : EditorStrings.RotationUnsnapped(newRotation);
|
|
}
|
|
|
|
private float snap(float value, float step) => MathF.Round(value / step) * step;
|
|
}
|
|
}
|