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77 lines
2.5 KiB
C#
77 lines
2.5 KiB
C#
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
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// See the LICENCE file in the repository root for full licence text.
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using System.Collections.Generic;
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using System.Linq;
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using osu.Framework.Graphics;
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using osu.Framework.Input;
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using osu.Framework.Input.Events;
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namespace osu.Game.Rulesets.Osu.UI
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{
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public partial class OsuTouchInputMapper : Drawable
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{
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/// <summary>
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/// This is our parent <see cref="osuInputManager"/>.
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/// </summary>
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private readonly OsuInputManager osuInputManager;
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/// <summary>
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/// All the active <see cref="TouchSource"/>s and the <see cref="OsuAction"/> that it triggered (if any).
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/// Ordered from oldest to newest touch chronologically.
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/// </summary>
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private readonly List<TrackedTouch> trackedTouches = new List<TrackedTouch>();
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public OsuTouchInputMapper(OsuInputManager inputManager)
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{
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osuInputManager = inputManager;
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}
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private OsuAction? lastAction;
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protected override bool OnTouchDown(TouchDownEvent e)
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{
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OsuAction action = lastAction == OsuAction.LeftButton && trackedTouches.Count > 0 ? OsuAction.RightButton : OsuAction.LeftButton;
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if (trackedTouches.All(t => t.Action != action))
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{
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trackedTouches.Add(new TrackedTouch(e.Touch, action));
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osuInputManager.KeyBindingContainer.TriggerPressed(action);
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lastAction = action;
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}
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else
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{
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// Ignore any taps which trigger an action which is already handled. But track them for potential positional input in the future.
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trackedTouches.Add(new TrackedTouch(e.Touch, null));
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}
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return true;
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}
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protected override void OnTouchUp(TouchUpEvent e)
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{
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var tracked = trackedTouches.First(t => t.Touch.Source == e.Touch.Source);
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if (tracked.Action is OsuAction action)
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osuInputManager.KeyBindingContainer.TriggerReleased(action);
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trackedTouches.Remove(tracked);
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base.OnTouchUp(e);
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}
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private class TrackedTouch
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{
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public readonly Touch Touch;
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public readonly OsuAction? Action;
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public TrackedTouch(Touch touch, OsuAction? action)
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{
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Touch = touch;
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Action = action;
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}
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}
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}
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}
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