添加对 Core 的直接引用

RhythmBaseCore/Components/RDCharacter.cs

@@ -0,0 +1,52 @@
+
+namespace RhythmBase.Components;
+
+/// <summary>
+/// A Character.
+/// </summary>
+public readonly struct RDCharacter
+{
+	/// <summary>
+	/// Whether  in-game character or customized character(sprite).
+	/// </summary>
+	public bool IsCustom { get; }
+	/// <summary>
+	/// In-game character.
+	/// <br />
+	/// If using a customized character, this value will be empty
+	/// </summary>
+	public RDCharacters? Character { get; }
+	/// <summary>
+	/// Customized character(sprite).
+	/// <br />
+	/// If using an in-game character, this value will be empty
+	/// </summary>
+	public string? CustomCharacter { get; }
+	/// <summary>
+	/// Construct an in-game character.
+	/// </summary>
+	/// <param name="character">Character type.</param>
+	public RDCharacter(RDCharacters character)
+	{
+		IsCustom = false;
+		Character = character;
+	}
+	/// <summary>
+	/// Construct a customized character.
+	/// </summary>
+	/// <param name="character">A sprite.</param>
+	public RDCharacter(string character)
+	{
+		IsCustom = true;
+		CustomCharacter = character;
+	}
+	/// <inheritdoc/>
+	public static implicit operator RDCharacter(RDCharacters character) => new(character);
+	/// <inheritdoc/>
+	public static implicit operator RDCharacter(string character) => new(character);
+	/// <inheritdoc/>
+	public override readonly string ToString() => (IsCustom
+		? (CustomCharacter)
+		: Character?.ToString())
+		?? "[Null]";
+}