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osu-lazer/osu.Game/Rulesets/UI/ReplayRecorder.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;
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using System.Collections.Generic;
using System.Linq;
using osu.Framework.Graphics;
using osu.Framework.Input;
using osu.Framework.Input.Bindings;
using osu.Framework.Input.Events;
using osu.Game.Replays;
using osu.Game.Rulesets.Replays;
using osuTK;
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namespace osu.Game.Rulesets.UI
{
public abstract class ReplayRecorder<T> : ReplayRecorder, IKeyBindingHandler<T>
where T : struct
{
private readonly Replay target;
private readonly List<T> pressedActions = new List<T>();
private InputManager inputManager;
public int RecordFrameRate = 60;
protected ReplayRecorder(Replay target)
{
this.target = target;
RelativeSizeAxes = Axes.Both;
Depth = float.MinValue;
}
protected override void LoadComplete()
{
base.LoadComplete();
inputManager = GetContainingInputManager();
}
protected override bool OnMouseMove(MouseMoveEvent e)
{
recordFrame(false);
return base.OnMouseMove(e);
}
public bool OnPressed(T action)
{
pressedActions.Add(action);
recordFrame(true);
return false;
}
public void OnReleased(T action)
{
pressedActions.Remove(action);
recordFrame(true);
}
private void recordFrame(bool important)
{
var last = target.Frames.LastOrDefault();
if (!important && last != null && Time.Current - last.Time < (1000d / RecordFrameRate))
return;
var position = ScreenSpaceToGamefield?.Invoke(inputManager.CurrentState.Mouse.Position) ?? inputManager.CurrentState.Mouse.Position;
var frame = HandleFrame(position, pressedActions, last);
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if (frame != null)
target.Frames.Add(frame);
}
protected abstract ReplayFrame HandleFrame(Vector2 mousePosition, List<T> actions, ReplayFrame previousFrame);
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}
public abstract class ReplayRecorder : Component
{
public Func<Vector2, Vector2> ScreenSpaceToGamefield;
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}
}