sim1222/osukey
1
1
Fork 0
mirror of https://github.com/osukey/osukey.git synced 2025-07-02 00:40:09 +09:00
Code Issues Packages Projects Releases Wiki Activity

Add initial followpoint pooling implementation

Browse Source
This commit is contained in:
smoogipoo
2020-11-20 00:11:31 +09:00
parent 7f3c8ad744
commit d467a00eea
5 changed files with 423 additions and 439 deletions
Download Patch File Download Diff File Expand all files Collapse all files

167
osu.Game.Rulesets.Osu/Objects/Drawables/Connections/FollowPointRenderer.cs
View File

@ -2,53 +2,57 @@
// See the LICENCE file in the repository root for full licence text.
using System.Collections.Generic;
using System.Linq;
using osu.Framework.Allocation;
using osu.Framework.Extensions;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Performance;
using osu.Framework.Graphics.Pooling;
using osu.Game.Rulesets.Objects;
using osuTK;
namespace osu.Game.Rulesets.Osu.Objects.Drawables.Connections
{
/// <summary>
/// Visualises connections between <see cref="DrawableOsuHitObject"/>s.
/// </summary>
public class FollowPointRenderer : LifetimeManagementContainer
public class FollowPointRenderer : CompositeDrawable
{
/// <summary>
/// All the <see cref="FollowPointConnection"/>s contained by this <see cref="FollowPointRenderer"/>.
/// </summary>
internal IReadOnlyList<FollowPointConnection> Connections => connections;
private readonly List<FollowPointConnection> connections = new List<FollowPointConnection>();
public override bool RemoveCompletedTransforms => false;
/// <summary>
/// Adds the <see cref="FollowPoint"/>s around an <see cref="OsuHitObject"/>.
/// This includes <see cref="FollowPoint"/>s leading into <paramref name="hitObject"/>, and <see cref="FollowPoint"/>s exiting <paramref name="hitObject"/>.
/// </summary>
/// <param name="hitObject">The <see cref="OsuHitObject"/> to add <see cref="FollowPoint"/>s for.</param>
public void AddFollowPoints(OsuHitObject hitObject)
=> addConnection(new FollowPointConnection(hitObject).With(g => g.StartTime.BindValueChanged(_ => onStartTimeChanged(g))));
private DrawablePool<FollowPointConnection> connectionPool;
private DrawablePool<FollowPoint> pointPool;
/// <summary>
/// Removes the <see cref="FollowPoint"/>s around an <see cref="OsuHitObject"/>.
/// This includes <see cref="FollowPoint"/>s leading into <paramref name="hitObject"/>, and <see cref="FollowPoint"/>s exiting <paramref name="hitObject"/>.
/// </summary>
/// <param name="hitObject">The <see cref="OsuHitObject"/> to remove <see cref="FollowPoint"/>s for.</param>
public void RemoveFollowPoints(OsuHitObject hitObject) => removeGroup(connections.Single(g => g.Start == hitObject));
private readonly List<FollowPointLifetimeEntry> lifetimeEntries = new List<FollowPointLifetimeEntry>();
private readonly Dictionary<LifetimeEntry, FollowPointConnection> connectionsInUse = new Dictionary<LifetimeEntry, FollowPointConnection>();
private readonly LifetimeEntryManager lifetimeManager = new LifetimeEntryManager();
/// <summary>
/// Adds a <see cref="FollowPointConnection"/> to this <see cref="FollowPointRenderer"/>.
/// </summary>
/// <param name="connection">The <see cref="FollowPointConnection"/> to add.</param>
/// <returns>The index of <paramref name="connection"/> in <see cref="connections"/>.</returns>
private void addConnection(FollowPointConnection connection)
public FollowPointRenderer()
{
// Groups are sorted by their start time when added such that the index can be used to post-process other surrounding connections
int index = connections.AddInPlace(connection, Comparer<FollowPointConnection>.Create((g1, g2) =>
lifetimeManager.EntryBecameAlive += onEntryBecameAlive;
lifetimeManager.EntryBecameDead += onEntryBecameDead;
}
[BackgroundDependencyLoader]
private void load()
{
InternalChildren = new Drawable[]
{
int comp = g1.StartTime.Value.CompareTo(g2.StartTime.Value);
connectionPool = new DrawablePool<FollowPointConnection>(1, 200),
pointPool = new DrawablePool<FollowPoint>(50, 1000)
};
MakeChildAlive(connectionPool);
MakeChildAlive(pointPool);
}
public void AddFollowPoints2(OsuHitObject hitObject)
{
var newEntry = new FollowPointLifetimeEntry(hitObject);
var index = lifetimeEntries.AddInPlace(newEntry, Comparer<FollowPointLifetimeEntry>.Create((e1, e2) =>
{
int comp = e1.Start.StartTime.CompareTo(e2.Start.StartTime);
if (comp != 0)
return comp;
@ -61,19 +65,19 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Connections
return -1;
}));
if (index < connections.Count - 1)
if (index < lifetimeEntries.Count - 1)
{
// Update the connection's end point to the next connection's start point
// h1 -> -> -> h2
// connection nextGroup
FollowPointConnection nextConnection = connections[index + 1];
connection.End = nextConnection.Start;
FollowPointLifetimeEntry nextEntry = lifetimeEntries[index + 1];
newEntry.End = nextEntry.Start;
}
else
{
// The end point may be non-null during re-ordering
connection.End = null;
newEntry.End = null;
}
if (index > 0)
@ -82,23 +86,20 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Connections
// h1 -> -> -> h2
// prevGroup connection
FollowPointConnection previousConnection = connections[index - 1];
previousConnection.End = connection.Start;
FollowPointLifetimeEntry previousEntry = lifetimeEntries[index - 1];
previousEntry.End = newEntry.Start;
}
AddInternal(connection);
lifetimeManager.AddEntry(newEntry);
}
/// <summary>
/// Removes a <see cref="FollowPointConnection"/> from this <see cref="FollowPointRenderer"/>.
/// </summary>
/// <param name="connection">The <see cref="FollowPointConnection"/> to remove.</param>
/// <returns>Whether <paramref name="connection"/> was removed.</returns>
private void removeGroup(FollowPointConnection connection)
public void RemoveFollowPoints2(OsuHitObject hitObject)
{
RemoveInternal(connection);
int index = lifetimeEntries.FindIndex(e => e.Start == hitObject);
var entry = lifetimeEntries[index];
int index = connections.IndexOf(connection);
lifetimeEntries.RemoveAt(index);
lifetimeManager.RemoveEntry(entry);
if (index > 0)
{
@ -106,18 +107,76 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Connections
// h1 -> -> -> h2 -> -> -> h3
// prevGroup connection nextGroup
// The current connection's end point is used since there may not be a next connection
FollowPointConnection previousConnection = connections[index - 1];
previousConnection.End = connection.End;
FollowPointLifetimeEntry previousEntry = lifetimeEntries[index - 1];
previousEntry.End = entry.End;
}
connections.Remove(connection);
}
private void onStartTimeChanged(FollowPointConnection connection)
protected override bool CheckChildrenLife() => lifetimeManager.Update(Time.Current);
private void onEntryBecameAlive(LifetimeEntry entry)
{
// Naive but can be improved if performance becomes an issue
removeGroup(connection);
addConnection(connection);
var connection = connectionPool.Get(c =>
{
c.Entry = (FollowPointLifetimeEntry)entry;
c.Pool = pointPool;
});
connectionsInUse[entry] = connection;
AddInternal(connection);
MakeChildAlive(connection);
}
private void onEntryBecameDead(LifetimeEntry entry)
{
RemoveInternal(connectionsInUse[entry]);
connectionsInUse.Remove(entry);
}
public class FollowPointLifetimeEntry : LifetimeEntry
{
public readonly OsuHitObject Start;
public FollowPointLifetimeEntry(OsuHitObject start)
{
Start = start;
LifetimeStart = LifetimeEnd = Start.StartTime;
}
private OsuHitObject end;
public OsuHitObject End
{
get => end;
set
{
end = value;
computeLifetimes();
}
}
private void computeLifetimes()
{
if (end == null)
{
LifetimeEnd = LifetimeStart;
return;
}
Vector2 startPosition = Start.StackedEndPosition;
Vector2 endPosition = End.StackedPosition;
Vector2 distanceVector = endPosition - startPosition;
float fraction = (int)(FollowPointConnection.SPACING * 1.5) / distanceVector.Length;
double duration = End.StartTime - Start.GetEndTime();
double fadeOutTime = Start.StartTime + fraction * duration;
double fadeInTime = fadeOutTime - FollowPointConnection.PREEMPT;
LifetimeStart = fadeInTime;
}
}
}
}