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Add method for copying properties from another mod

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This commit is contained in:
Salman Ahmed 2021-01-01 03:46:09 +03:00
parent faed776112
commit b4df2d6d43
1 changed files with 17 additions and 8 deletions
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37
osu.Game/Rulesets/Mods/Mod.cs
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@ -131,22 +131,31 @@ namespace osu.Game.Rulesets.Mods
/// </summary>
public virtual Mod CreateCopy()
{
var copy = (Mod)Activator.CreateInstance(GetType());
// Copy bindable values across
foreach (var (_, prop) in this.GetSettingsSourceProperties())
{
var origBindable = prop.GetValue(this);
var copyBindable = prop.GetValue(copy);
// The bindables themselves are readonly, so the value must be transferred through the Bindable<T>.Value property.
var valueProperty = origBindable.GetType().GetProperty(nameof(Bindable<object>.Value), BindingFlags.Public | BindingFlags.Instance);
Debug.Assert(valueProperty != null);
valueProperty.SetValue(copyBindable, valueProperty.GetValue(origBindable));
var result = (Mod)Activator.CreateInstance(GetType(), true);
result.CopyFrom(this);
return result;
}
return copy;
/// <summary>
/// Copies properties of given mod into here, through changing value.
/// </summary>
/// <param name="them">The mod to copy properties from.</param>
public void CopyFrom(Mod them)
{
if (them.GetType() != GetType())
throw new ArgumentException($"Expected mod of type {GetType()}, got {them.GetType()}.", nameof(them));
foreach (var (_, prop) in this.GetSettingsSourceProperties())
{
var ourBindable = prop.GetValue(this);
var theirBindable = prop.GetValue(them);
// The bindables themselves are readonly, so the value must be transferred through the Bindable<T>.Value property.
var valueProperty = theirBindable.GetType().GetProperty(nameof(Bindable<object>.Value), BindingFlags.Public | BindingFlags.Instance);
Debug.Assert(valueProperty != null);
valueProperty.SetValue(ourBindable, valueProperty.GetValue(theirBindable));
}
}
public bool Equals(IMod other) => GetType() == other?.GetType();