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osu-lazer/osu.Game/Screens/Play/PlayerInputManager.cs
2017-05-15 10:56:27 +09:00

141 lines
4.4 KiB
C#

// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
using OpenTK.Input;
using osu.Framework.Allocation;
using osu.Framework.Configuration;
using osu.Framework.Input;
using osu.Framework.Timing;
using osu.Game.Configuration;
using osu.Game.Input.Handlers;
namespace osu.Game.Screens.Play
{
public class PlayerInputManager : PassThroughInputManager
{
private ManualClock clock;
private IFrameBasedClock parentClock;
private ReplayInputHandler replayInputHandler;
public ReplayInputHandler ReplayInputHandler
{
get
{
return replayInputHandler;
}
set
{
if (replayInputHandler != null) RemoveHandler(replayInputHandler);
replayInputHandler = value;
UseParentState = replayInputHandler == null;
if (replayInputHandler != null)
AddHandler(replayInputHandler);
}
}
private Bindable<bool> mouseDisabled;
[BackgroundDependencyLoader]
private void load(OsuConfigManager config)
{
mouseDisabled = config.GetBindable<bool>(OsuSetting.MouseDisableButtons);
}
protected override void LoadComplete()
{
base.LoadComplete();
//our clock will now be our parent's clock, but we want to replace this to allow manual control.
parentClock = Clock;
Clock = new FramedClock(clock = new ManualClock
{
CurrentTime = parentClock.CurrentTime,
Rate = parentClock.Rate,
});
}
/// <summary>
/// Whether we running up-to-date with our parent clock.
/// If not, we will need to keep processing children until we catch up.
/// </summary>
private bool requireMoreUpdateLoops;
/// <summary>
/// Whether we in a valid state (ie. should we keep processing children frames).
/// This should be set to false when the replay is, for instance, waiting for future frames to arrive.
/// </summary>
private bool validState;
protected override bool RequiresChildrenUpdate => base.RequiresChildrenUpdate && validState;
private bool isAttached => replayInputHandler != null && !UseParentState;
private const int max_catch_up_updates_per_frame = 50;
public override bool UpdateSubTree()
{
requireMoreUpdateLoops = true;
validState = true;
int loops = 0;
while (validState && requireMoreUpdateLoops && loops++ < max_catch_up_updates_per_frame)
if (!base.UpdateSubTree())
return false;
return true;
}
protected override void Update()
{
if (parentClock == null) return;
clock.Rate = parentClock.Rate;
clock.IsRunning = parentClock.IsRunning;
if (!isAttached)
{
clock.CurrentTime = parentClock.CurrentTime;
}
else
{
double? newTime = replayInputHandler.SetFrameFromTime(parentClock.CurrentTime);
if (newTime == null)
{
// we shouldn't execute for this time value. probably waiting on more replay data.
validState = false;
return;
}
clock.CurrentTime = newTime.Value;
}
requireMoreUpdateLoops = clock.CurrentTime != parentClock.CurrentTime;
base.Update();
}
protected override void TransformState(InputState state)
{
base.TransformState(state);
// we don't want to transform the state if a replay is present (for now, at least).
if (replayInputHandler != null) return;
var mouse = state.Mouse as Framework.Input.MouseState;
if (mouse != null)
{
if (mouseDisabled.Value)
{
mouse.SetPressed(MouseButton.Left, false);
mouse.SetPressed(MouseButton.Right, false);
}
}
}
}
}