osu/osu.Game/Input/KeyBindingStore.cs

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// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
using System;
using System.Collections.Generic;
using System.Linq;
using osu.Framework.Input.Bindings;
using osu.Framework.Platform;
using osu.Game.Database;
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using osu.Game.Input.Bindings;
using osu.Game.Rulesets;
using SQLite.Net;
namespace osu.Game.Input
{
public class KeyBindingStore : DatabaseBackedStore
{
public KeyBindingStore(SQLiteConnection connection, RulesetStore rulesets, Storage storage = null)
: base(connection, storage)
{
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foreach (var info in rulesets.AllRulesets)
{
var ruleset = info.CreateInstance();
foreach (var variant in ruleset.AvailableVariants)
insertDefaults(ruleset.GetDefaultKeyBindings(variant), info.ID, variant);
}
}
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public void Register(KeyBindingInputManager manager) => insertDefaults(manager.DefaultKeyBindings);
protected override int StoreVersion => 3;
protected override void PerformMigration(int currentVersion, int targetVersion)
{
base.PerformMigration(currentVersion, targetVersion);
while (currentVersion++ < targetVersion)
{
switch (currentVersion)
{
case 1:
case 2:
case 3:
// cannot migrate; breaking underlying changes.
Reset();
break;
}
}
}
protected override void Prepare(bool reset = false)
{
if (reset)
Connection.DropTable<DatabasedKeyBinding>();
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Connection.CreateTable<DatabasedKeyBinding>();
}
private void insertDefaults(IEnumerable<KeyBinding> defaults, int? rulesetId = null, int? variant = null)
{
var query = Query(rulesetId, variant);
// compare counts in database vs defaults
foreach (var group in defaults.GroupBy(k => k.Action))
{
int count;
while (group.Count() > (count = query.Count(k => (int)k.Action == (int)group.Key)))
{
var insertable = group.Skip(count).First();
// insert any defaults which are missing.
Connection.Insert(new DatabasedKeyBinding
{
KeyCombination = insertable.KeyCombination,
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Action = insertable.Action,
RulesetID = rulesetId,
Variant = variant
});
}
}
}
protected override Type[] ValidTypes => new[]
{
typeof(DatabasedKeyBinding)
};
public IEnumerable<KeyBinding> Query(int? rulesetId = null, int? variant = null) =>
Query<DatabasedKeyBinding>(b => b.RulesetID == rulesetId && b.Variant == variant);
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public void Update(KeyBinding keyBinding) => Connection.Update(keyBinding);
}
}