osu/osu.Game/Screens/OsuScreenDependencies.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.
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using System.Collections.Generic;
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using osu.Framework.Allocation;
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using osu.Framework.Bindables;
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using osu.Game.Beatmaps;
using osu.Game.Rulesets;
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using osu.Game.Rulesets.Mods;
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namespace osu.Game.Screens
{
public class OsuScreenDependencies : DependencyContainer
{
public Bindable<WorkingBeatmap> Beatmap { get; }
public Bindable<RulesetInfo> Ruleset { get; }
public Bindable<IReadOnlyList<Mod>> Mods { get; }
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public OsuScreenDependencies(bool requireLease, IReadOnlyDependencyContainer parent)
: base(parent)
{
if (requireLease)
{
Beatmap = parent.Get<LeasedBindable<WorkingBeatmap>>()?.GetBoundCopy();
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if (Beatmap == null)
{
Cache(Beatmap = parent.Get<Bindable<WorkingBeatmap>>().BeginLease(false));
CacheAs(Beatmap);
}
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Ruleset = parent.Get<LeasedBindable<RulesetInfo>>()?.GetBoundCopy();
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if (Ruleset == null)
{
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Cache(Ruleset = parent.Get<Bindable<RulesetInfo>>().BeginLease(true));
CacheAs(Ruleset);
}
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Mods = parent.Get<LeasedBindable<IReadOnlyList<Mod>>>()?.GetBoundCopy();
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if (Mods == null)
{
Cache(Mods = parent.Get<Bindable<IReadOnlyList<Mod>>>().BeginLease(true));
CacheAs(Mods);
}
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}
else
{
Beatmap = (parent.Get<LeasedBindable<WorkingBeatmap>>() ?? parent.Get<Bindable<WorkingBeatmap>>()).GetBoundCopy();
Ruleset = (parent.Get<LeasedBindable<RulesetInfo>>() ?? parent.Get<Bindable<RulesetInfo>>()).GetBoundCopy();
Mods = (parent.Get<LeasedBindable<IReadOnlyList<Mod>>>() ?? parent.Get<Bindable<IReadOnlyList<Mod>>>()).GetBoundCopy();
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}
}
}
}