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Code Issues Releases Wiki Activity

Fix MenuCursor crash

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This commit is contained in:
ekrctb 2018-07-02 16:07:52 +09:00
parent 6fe768366f
commit 341ffa4667
1 changed files with 31 additions and 23 deletions
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54
osu.Game/Graphics/Cursor/MenuCursor.cs
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@ -11,9 +11,9 @@ using osu.Framework.Graphics.Sprites;
using osu.Framework.Input;
using osu.Game.Configuration;
using System;
using System.Diagnostics;
using JetBrains.Annotations;
using osu.Framework.Graphics.Textures;
using OpenTK.Input;
namespace osu.Game.Graphics.Cursor
{
@ -25,9 +25,8 @@ namespace osu.Game.Graphics.Cursor
protected override Drawable CreateCursor() => new Cursor();
private Bindable<bool> cursorRotate;
private bool dragging;
private bool startRotation;
private DragRotationState dragRotationState;
private Vector2 positionMouseDown;
[BackgroundDependencyLoader(true)]
private void load([NotNull] OsuConfigManager config, [CanBeNull] ScreenshotManager screenshotManager)
@ -40,18 +39,18 @@ namespace osu.Game.Graphics.Cursor
protected override bool OnMouseMove(InputState state)
{
if (cursorRotate && dragging)
if (dragRotationState != DragRotationState.NotDragging)
{
Debug.Assert(state.Mouse.PositionMouseDown != null);
var position = state.Mouse.Position;
var distance = Vector2Extensions.Distance(position, positionMouseDown);
// don't start rotating until we're moved a minimum distance away from the mouse down location,
// else it can have an annoying effect.
// ReSharper disable once PossibleInvalidOperationException
startRotation |= Vector2Extensions.Distance(state.Mouse.Position, state.Mouse.PositionMouseDown.Value) > 30;
if (startRotation)
if (dragRotationState == DragRotationState.DragStarted && distance > 30)
dragRotationState = DragRotationState.Rotating;
// don't rotate when distance if zero to avoid NaN
if (dragRotationState == DragRotationState.Rotating && distance > 0)
{
Vector2 offset = state.Mouse.Position - state.Mouse.PositionMouseDown.Value;
Vector2 offset = state.Mouse.Position - positionMouseDown;
float degrees = (float)MathHelper.RadiansToDegrees(Math.Atan2(-offset.X, offset.Y)) + 24.3f;
// Always rotate in the direction of least distance
@ -66,13 +65,7 @@ namespace osu.Game.Graphics.Cursor
return base.OnMouseMove(state);
}
protected override bool OnDragStart(InputState state)
{
dragging = true;
return base.OnDragStart(state);
}
protected override bool OnMouseDown(InputState state, MouseDownEventArgs args)
{
ActiveCursor.Scale = new Vector2(1);
@ -80,6 +73,12 @@ namespace osu.Game.Graphics.Cursor
((Cursor)ActiveCursor).AdditiveLayer.Alpha = 0;
((Cursor)ActiveCursor).AdditiveLayer.FadeInFromZero(800, Easing.OutQuint);
if (args.Button == MouseButton.Left && cursorRotate)
{
dragRotationState = DragRotationState.DragStarted;
positionMouseDown = state.Mouse.Position;
}
return base.OnMouseDown(state, args);
}
@ -87,14 +86,16 @@ namespace osu.Game.Graphics.Cursor
{
if (!state.Mouse.HasMainButtonPressed)
{
dragging = false;
startRotation = false;
((Cursor)ActiveCursor).AdditiveLayer.FadeOut(500, Easing.OutQuint);
ActiveCursor.RotateTo(0, 600 * (1 + Math.Abs(ActiveCursor.Rotation / 720)), Easing.OutElasticHalf);
ActiveCursor.ScaleTo(1, 500, Easing.OutElastic);
}
if (args.Button == MouseButton.Left)
{
if (dragRotationState == DragRotationState.Rotating)
ActiveCursor.RotateTo(0, 600 * (1 + Math.Abs(ActiveCursor.Rotation / 720)), Easing.OutElasticHalf);
dragRotationState = DragRotationState.NotDragging;
}
return base.OnMouseUp(state, args);
}
@ -160,5 +161,12 @@ namespace osu.Game.Graphics.Cursor
cursorScale.TriggerChange();
}
}
private enum DragRotationState
{
NotDragging,
DragStarted,
Rotating,
}
}
}