mirror of https://github.com/ppy/osu
175 lines
6.0 KiB
C#
175 lines
6.0 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;
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using osu.Framework.Graphics;
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using osu.Framework.Graphics.Containers;
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using osu.Framework.Input.Bindings;
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using osu.Framework.Input.Events;
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using osu.Game.Rulesets.Catch.Objects.Drawables;
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using osu.Game.Rulesets.Catch.Replays;
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using osu.Game.Rulesets.Judgements;
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using osu.Game.Rulesets.UI;
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using osuTK;
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namespace osu.Game.Rulesets.Catch.UI
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{
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/// <summary>
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/// The horizontal band at the bottom of the playfield the catcher is moving on.
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/// It holds a <see cref="Catcher"/> as a child and translates input to the catcher movement.
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/// It also holds a combo display that is above the catcher, and judgment results are translated to the catcher and the combo display.
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/// </summary>
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public class CatcherArea : Container, IKeyBindingHandler<CatchAction>
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{
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public Catcher Catcher
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{
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get => catcher;
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set => catcherContainer.Child = catcher = value;
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}
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private readonly Container<Catcher> catcherContainer;
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private readonly CatchComboDisplay comboDisplay;
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private readonly CatcherTrailDisplay catcherTrails;
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private Catcher catcher;
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/// <summary>
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/// <c>-1</c> when only left button is pressed.
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/// <c>1</c> when only right button is pressed.
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/// <c>0</c> when none or both left and right buttons are pressed.
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/// </summary>
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private int currentDirection;
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// TODO: support replay rewind
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private bool lastHyperDashState;
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/// <remarks>
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/// <see cref="Catcher"/> must be set before loading.
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/// </remarks>
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public CatcherArea()
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{
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Size = new Vector2(CatchPlayfield.WIDTH, Catcher.BASE_SIZE);
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Children = new Drawable[]
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{
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catcherContainer = new Container<Catcher> { RelativeSizeAxes = Axes.Both },
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catcherTrails = new CatcherTrailDisplay(),
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comboDisplay = new CatchComboDisplay
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{
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RelativeSizeAxes = Axes.None,
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AutoSizeAxes = Axes.Both,
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Anchor = Anchor.TopLeft,
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Origin = Anchor.Centre,
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Margin = new MarginPadding { Bottom = 350f },
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X = CatchPlayfield.CENTER_X
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}
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};
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}
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public void OnNewResult(DrawableCatchHitObject hitObject, JudgementResult result)
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{
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Catcher.OnNewResult(hitObject, result);
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comboDisplay.OnNewResult(hitObject, result);
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}
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public void OnRevertResult(DrawableCatchHitObject hitObject, JudgementResult result)
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{
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comboDisplay.OnRevertResult(hitObject, result);
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Catcher.OnRevertResult(hitObject, result);
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}
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protected override void Update()
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{
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base.Update();
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var replayState = (GetContainingInputManager().CurrentState as RulesetInputManagerInputState<CatchAction>)?.LastReplayState as CatchFramedReplayInputHandler.CatchReplayState;
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SetCatcherPosition(
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replayState?.CatcherX ??
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(float)(Catcher.X + Catcher.Speed * currentDirection * Clock.ElapsedFrameTime));
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}
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protected override void UpdateAfterChildren()
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{
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base.UpdateAfterChildren();
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comboDisplay.X = Catcher.X;
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if (Time.Elapsed <= 0)
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{
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// This is probably a wrong value, but currently the true value is not recorded.
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// Setting `true` will prevent generation of false-positive after-images (with more false-negatives).
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lastHyperDashState = true;
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return;
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}
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if (!lastHyperDashState && Catcher.HyperDashing)
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displayCatcherTrail(CatcherTrailAnimation.HyperDashAfterImage);
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if (Catcher.Dashing || Catcher.HyperDashing)
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{
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double generationInterval = Catcher.HyperDashing ? 25 : 50;
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if (Time.Current - catcherTrails.LastDashTrailTime >= generationInterval)
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displayCatcherTrail(Catcher.HyperDashing ? CatcherTrailAnimation.HyperDashing : CatcherTrailAnimation.Dashing);
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}
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lastHyperDashState = Catcher.HyperDashing;
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}
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public void SetCatcherPosition(float X)
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{
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float lastPosition = Catcher.X;
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float newPosition = Math.Clamp(X, 0, CatchPlayfield.WIDTH);
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Catcher.X = newPosition;
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if (lastPosition < newPosition)
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Catcher.VisualDirection = Direction.Right;
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else if (lastPosition > newPosition)
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Catcher.VisualDirection = Direction.Left;
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}
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public bool OnPressed(KeyBindingPressEvent<CatchAction> e)
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{
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switch (e.Action)
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{
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case CatchAction.MoveLeft:
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currentDirection--;
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return true;
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case CatchAction.MoveRight:
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currentDirection++;
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return true;
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case CatchAction.Dash:
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Catcher.Dashing = true;
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return true;
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}
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return false;
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}
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public void OnReleased(KeyBindingReleaseEvent<CatchAction> e)
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{
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switch (e.Action)
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{
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case CatchAction.MoveLeft:
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currentDirection++;
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break;
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case CatchAction.MoveRight:
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currentDirection--;
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break;
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case CatchAction.Dash:
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Catcher.Dashing = false;
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break;
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}
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}
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private void displayCatcherTrail(CatcherTrailAnimation animation) => catcherTrails.Add(new CatcherTrailEntry(Time.Current, Catcher.CurrentState, Catcher.X, Catcher.BodyScale, animation));
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}
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}
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