// 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.Diagnostics; using System.Linq; using osu.Framework.Allocation; using osu.Framework.Bindables; using osu.Framework.Graphics; using osu.Framework.Graphics.Containers; using osu.Framework.Platform; using osu.Game.Beatmaps; using osu.Game.Extensions; using osu.Game.IO.Serialization; using osu.Game.Rulesets; using osu.Game.Rulesets.Edit; using osu.Game.Screens.Edit.Compose.Components.Timeline; namespace osu.Game.Screens.Edit.Compose { public class ComposeScreen : EditorScreenWithTimeline { [Resolved] private GameHost host { get; set; } [Resolved] private EditorClock clock { get; set; } private Bindable<string> clipboard { get; set; } private HitObjectComposer composer; public ComposeScreen() : base(EditorScreenMode.Compose) { } private Ruleset ruleset; protected override IReadOnlyDependencyContainer CreateChildDependencies(IReadOnlyDependencyContainer parent) { var dependencies = new DependencyContainer(base.CreateChildDependencies(parent)); ruleset = parent.Get<IBindable<WorkingBeatmap>>().Value.BeatmapInfo.Ruleset.CreateInstance(); composer = ruleset?.CreateHitObjectComposer(); // make the composer available to the timeline and other components in this screen. if (composer != null) dependencies.CacheAs(composer); return dependencies; } protected override Drawable CreateMainContent() { if (ruleset == null || composer == null) return new ScreenWhiteBox.UnderConstructionMessage(ruleset == null ? "This beatmap" : $"{ruleset.Description}'s composer"); return wrapSkinnableContent(composer); } protected override Drawable CreateTimelineContent() { if (ruleset == null || composer == null) return base.CreateTimelineContent(); return wrapSkinnableContent(new TimelineBlueprintContainer(composer)); } private Drawable wrapSkinnableContent(Drawable content) { Debug.Assert(ruleset != null); return new EditorSkinProvidingContainer(EditorBeatmap).WithChild(content); } [BackgroundDependencyLoader] private void load(EditorClipboard clipboard) { this.clipboard = clipboard.Content.GetBoundCopy(); } protected override void LoadComplete() { base.LoadComplete(); // May be null in the case of a ruleset that doesn't have editor support, see CreateMainContent(). if (composer == null) return; EditorBeatmap.SelectedHitObjects.BindCollectionChanged((_, __) => updateClipboardActionAvailability()); clipboard.BindValueChanged(_ => updateClipboardActionAvailability()); composer.OnLoadComplete += _ => updateClipboardActionAvailability(); updateClipboardActionAvailability(); } #region Clipboard operations protected override void PerformCut() { base.PerformCut(); Copy(); EditorBeatmap.RemoveRange(EditorBeatmap.SelectedHitObjects.ToArray()); } protected override void PerformCopy() { base.PerformCopy(); clipboard.Value = new ClipboardContent(EditorBeatmap).Serialize(); host.GetClipboard()?.SetText(formatSelectionAsString()); } protected override void PerformPaste() { base.PerformPaste(); var objects = clipboard.Value.Deserialize<ClipboardContent>().HitObjects; Debug.Assert(objects.Any()); double timeOffset = clock.CurrentTime - objects.Min(o => o.StartTime); foreach (var h in objects) h.StartTime += timeOffset; EditorBeatmap.BeginChange(); EditorBeatmap.SelectedHitObjects.Clear(); EditorBeatmap.AddRange(objects); EditorBeatmap.SelectedHitObjects.AddRange(objects); EditorBeatmap.EndChange(); } private void updateClipboardActionAvailability() { CanCut.Value = CanCopy.Value = EditorBeatmap.SelectedHitObjects.Any(); CanPaste.Value = composer.IsLoaded && !string.IsNullOrEmpty(clipboard.Value); } private string formatSelectionAsString() { if (composer == null) return string.Empty; double displayTime = EditorBeatmap.SelectedHitObjects.OrderBy(h => h.StartTime).FirstOrDefault()?.StartTime ?? clock.CurrentTime; string selectionAsString = composer.ConvertSelectionToString(); return !string.IsNullOrEmpty(selectionAsString) ? $"{displayTime.ToEditorFormattedString()} ({selectionAsString}) - " : $"{displayTime.ToEditorFormattedString()} - "; } #endregion } }