mirror of https://github.com/ppy/osu
134 lines
4.2 KiB
C#
134 lines
4.2 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.
|
|
|
|
#nullable disable
|
|
|
|
using System;
|
|
using osu.Framework.Allocation;
|
|
using osu.Framework.Bindables;
|
|
using osu.Framework.Graphics;
|
|
using osu.Framework.Graphics.Containers;
|
|
using osu.Framework.Input.Events;
|
|
using osu.Framework.Utils;
|
|
using osu.Game.Rulesets.Objects.Drawables;
|
|
using osu.Game.Rulesets.Osu.Objects.Drawables;
|
|
using osu.Game.Screens.Play;
|
|
using osuTK;
|
|
|
|
namespace osu.Game.Rulesets.Osu.Skinning.Default
|
|
{
|
|
public class SpinnerRotationTracker : CircularContainer
|
|
{
|
|
public override bool IsPresent => true; // handle input when hidden
|
|
|
|
private readonly DrawableSpinner drawableSpinner;
|
|
|
|
public SpinnerRotationTracker(DrawableSpinner drawableSpinner)
|
|
{
|
|
this.drawableSpinner = drawableSpinner;
|
|
drawableSpinner.HitObjectApplied += resetState;
|
|
|
|
RelativeSizeAxes = Axes.Both;
|
|
}
|
|
|
|
public override bool ReceivePositionalInputAt(Vector2 screenSpacePos) => true;
|
|
|
|
public bool Tracking { get; set; }
|
|
|
|
/// <summary>
|
|
/// Whether the spinning is spinning at a reasonable speed to be considered visually spinning.
|
|
/// </summary>
|
|
public readonly BindableBool IsSpinning = new BindableBool();
|
|
|
|
/// <summary>
|
|
/// Whether currently in the correct time range to allow spinning.
|
|
/// </summary>
|
|
private bool isSpinnableTime => drawableSpinner.HitObject.StartTime <= Time.Current && drawableSpinner.HitObject.EndTime > Time.Current;
|
|
|
|
protected override bool OnMouseMove(MouseMoveEvent e)
|
|
{
|
|
mousePosition = Parent.ToLocalSpace(e.ScreenSpaceMousePosition);
|
|
return base.OnMouseMove(e);
|
|
}
|
|
|
|
private Vector2 mousePosition;
|
|
|
|
private float lastAngle;
|
|
private float currentRotation;
|
|
|
|
private bool rotationTransferred;
|
|
|
|
[Resolved(canBeNull: true)]
|
|
private GameplayClock gameplayClock { get; set; }
|
|
|
|
protected override void Update()
|
|
{
|
|
base.Update();
|
|
float thisAngle = -MathUtils.RadiansToDegrees(MathF.Atan2(mousePosition.X - DrawSize.X / 2, mousePosition.Y - DrawSize.Y / 2));
|
|
|
|
float delta = thisAngle - lastAngle;
|
|
|
|
if (Tracking)
|
|
AddRotation(delta);
|
|
|
|
lastAngle = thisAngle;
|
|
|
|
IsSpinning.Value = isSpinnableTime && Math.Abs(currentRotation / 2 - Rotation) > 5f;
|
|
|
|
Rotation = (float)Interpolation.Damp(Rotation, currentRotation / 2, 0.99, Math.Abs(Time.Elapsed));
|
|
}
|
|
|
|
/// <summary>
|
|
/// Rotate the disc by the provided angle (in addition to any existing rotation).
|
|
/// </summary>
|
|
/// <remarks>
|
|
/// Will be a no-op if not a valid time to spin.
|
|
/// </remarks>
|
|
/// <param name="angle">The delta angle.</param>
|
|
public void AddRotation(float angle)
|
|
{
|
|
if (!isSpinnableTime)
|
|
return;
|
|
|
|
if (!rotationTransferred)
|
|
{
|
|
currentRotation = Rotation * 2;
|
|
rotationTransferred = true;
|
|
}
|
|
|
|
if (angle > 180)
|
|
{
|
|
lastAngle += 360;
|
|
angle -= 360;
|
|
}
|
|
else if (-angle > 180)
|
|
{
|
|
lastAngle -= 360;
|
|
angle += 360;
|
|
}
|
|
|
|
currentRotation += angle;
|
|
// rate has to be applied each frame, because it's not guaranteed to be constant throughout playback
|
|
// (see: ModTimeRamp)
|
|
drawableSpinner.Result.RateAdjustedRotation += (float)(Math.Abs(angle) * (gameplayClock?.TrueGameplayRate ?? Clock.Rate));
|
|
}
|
|
|
|
private void resetState(DrawableHitObject obj)
|
|
{
|
|
Tracking = false;
|
|
IsSpinning.Value = false;
|
|
mousePosition = default;
|
|
lastAngle = currentRotation = Rotation = 0;
|
|
rotationTransferred = false;
|
|
}
|
|
|
|
protected override void Dispose(bool isDisposing)
|
|
{
|
|
base.Dispose(isDisposing);
|
|
|
|
if (drawableSpinner != null)
|
|
drawableSpinner.HitObjectApplied -= resetState;
|
|
}
|
|
}
|
|
}
|