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osu-lazer/osu.Game.Rulesets.Catch/UI/CatchTouchInputMapper.cs

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// 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.Collections.Generic;
using System.Linq;
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using osu.Framework.Allocation;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Shapes;
using osu.Framework.Input.Bindings;
using osu.Framework.Input.Events;
using osu.Game.Graphics;
using osuTK;
namespace osu.Game.Rulesets.Catch.UI
{
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public partial class CatchTouchInputMapper : VisibilityContainer
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{
public override bool PropagatePositionalInputSubTree => true;
public override bool PropagateNonPositionalInputSubTree => true;
private readonly Dictionary<object, TouchCatchAction> trackedActionSources = new Dictionary<object, TouchCatchAction>();
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private KeyBindingContainer<CatchAction> keyBindingContainer = null!;
private Container mainContent = null!;
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private InputArea leftBox = null!;
private InputArea rightBox = null!;
private InputArea leftDashBox = null!;
private InputArea rightDashBox = null!;
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[BackgroundDependencyLoader]
private void load(CatchInputManager catchInputManager, OsuColour colours)
{
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const float width = 0.15f;
// Ratio between normal move area height and total input height
const float normal_area_height_ratio = 0.45f;
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keyBindingContainer = catchInputManager.KeyBindingContainer;
RelativeSizeAxes = Axes.Both;
Children = new Drawable[]
{
mainContent = new Container
{
RelativeSizeAxes = Axes.Both,
Alpha = 0,
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Children = new Drawable[]
{
new Container
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{
RelativeSizeAxes = Axes.Both,
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Width = width,
Children = new Drawable[]
{
leftBox = new InputArea(TouchCatchAction.MoveLeft, trackedActionSources)
{
RelativeSizeAxes = Axes.Both,
Height = normal_area_height_ratio,
Colour = colours.Gray9,
Anchor = Anchor.BottomRight,
Origin = Anchor.BottomRight,
},
leftDashBox = new InputArea(TouchCatchAction.DashLeft, trackedActionSources)
{
RelativeSizeAxes = Axes.Both,
Height = 1 - normal_area_height_ratio,
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},
}
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},
new Container
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{
RelativeSizeAxes = Axes.Both,
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Width = width,
Anchor = Anchor.TopRight,
Origin = Anchor.TopRight,
Children = new Drawable[]
{
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rightBox = new InputArea(TouchCatchAction.MoveRight, trackedActionSources)
{
RelativeSizeAxes = Axes.Both,
Height = normal_area_height_ratio,
Colour = colours.Gray9,
Anchor = Anchor.BottomRight,
Origin = Anchor.BottomRight,
},
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rightDashBox = new InputArea(TouchCatchAction.DashRight, trackedActionSources)
{
RelativeSizeAxes = Axes.Both,
Height = 1 - normal_area_height_ratio,
},
}
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},
},
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},
};
}
protected override bool OnKeyDown(KeyDownEvent e)
{
// Hide whenever the keyboard is used.
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Hide();
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return false;
}
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protected override bool OnTouchDown(TouchDownEvent e)
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{
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return updateAction(e.Touch.Source, getTouchCatchActionFromInput(e.ScreenSpaceTouch.Position));
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}
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protected override void OnTouchMove(TouchMoveEvent e)
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{
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updateAction(e.Touch.Source, getTouchCatchActionFromInput(e.ScreenSpaceTouch.Position));
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base.OnTouchMove(e);
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}
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protected override void OnTouchUp(TouchUpEvent e)
{
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updateAction(e.Touch.Source, null);
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base.OnTouchUp(e);
}
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private bool updateAction(object source, TouchCatchAction? newAction)
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{
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TouchCatchAction? actionBefore = null;
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if (trackedActionSources.TryGetValue(source, out TouchCatchAction found))
actionBefore = found;
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if (actionBefore != newAction)
{
if (newAction != null)
trackedActionSources[source] = newAction.Value;
else
trackedActionSources.Remove(source);
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updatePressedActions();
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}
return newAction != null;
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}
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private void updatePressedActions()
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{
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Show();
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if (trackedActionSources.ContainsValue(TouchCatchAction.DashLeft) || trackedActionSources.ContainsValue(TouchCatchAction.MoveLeft))
keyBindingContainer.TriggerPressed(CatchAction.MoveLeft);
else
keyBindingContainer.TriggerReleased(CatchAction.MoveLeft);
if (trackedActionSources.ContainsValue(TouchCatchAction.DashRight) || trackedActionSources.ContainsValue(TouchCatchAction.MoveRight))
keyBindingContainer.TriggerPressed(CatchAction.MoveRight);
else
keyBindingContainer.TriggerReleased(CatchAction.MoveRight);
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if (trackedActionSources.ContainsValue(TouchCatchAction.DashLeft) || trackedActionSources.ContainsValue(TouchCatchAction.DashRight))
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keyBindingContainer.TriggerPressed(CatchAction.Dash);
else
keyBindingContainer.TriggerReleased(CatchAction.Dash);
}
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private TouchCatchAction? getTouchCatchActionFromInput(Vector2 screenSpaceInputPosition)
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{
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if (leftDashBox.Contains(screenSpaceInputPosition))
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return TouchCatchAction.DashLeft;
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if (rightDashBox.Contains(screenSpaceInputPosition))
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return TouchCatchAction.DashRight;
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if (leftBox.Contains(screenSpaceInputPosition))
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return TouchCatchAction.MoveLeft;
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if (rightBox.Contains(screenSpaceInputPosition))
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return TouchCatchAction.MoveRight;
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return null;
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}
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protected override void PopIn() => mainContent.FadeIn(300, Easing.OutQuint);
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protected override void PopOut() => mainContent.FadeOut(300, Easing.OutQuint);
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private partial class InputArea : CompositeDrawable, IKeyBindingHandler<CatchAction>
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{
private readonly TouchCatchAction handledAction;
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private readonly Box highlightOverlay;
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private readonly IEnumerable<KeyValuePair<object, TouchCatchAction>> trackedActions;
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private bool isHighlighted;
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public InputArea(TouchCatchAction handledAction, IEnumerable<KeyValuePair<object, TouchCatchAction>> trackedActions)
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{
this.handledAction = handledAction;
this.trackedActions = trackedActions;
InternalChildren = new Drawable[]
{
new Container
{
RelativeSizeAxes = Axes.Both,
Masking = true,
CornerRadius = 10,
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Children = new Drawable[]
{
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new Box
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{
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RelativeSizeAxes = Axes.Both,
Alpha = 0.15f,
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},
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highlightOverlay = new Box
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{
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RelativeSizeAxes = Axes.Both,
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Alpha = 0,
Blending = BlendingParameters.Additive,
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}
}
}
};
}
public bool OnPressed(KeyBindingPressEvent<CatchAction> _)
{
updateHighlight();
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return false;
}
public void OnReleased(KeyBindingReleaseEvent<CatchAction> _)
{
updateHighlight();
}
private void updateHighlight()
{
bool isHandling = trackedActions.Any(a => a.Value == handledAction);
if (isHandling == isHighlighted)
return;
isHighlighted = isHandling;
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highlightOverlay.FadeTo(isHighlighted ? 0.1f : 0, isHighlighted ? 80 : 400, Easing.OutQuint);
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}
}
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public enum TouchCatchAction
{
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MoveLeft,
MoveRight,
DashLeft,
DashRight,
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}
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}
}