Add ITargetManager (#1277)

Co-authored-by: goat <16760685+goaaats@users.noreply.github.com>

Dalamud/Plugin/Services/ITargetManager.cs

@@ -0,0 +1,44 @@
+using Dalamud.Game.ClientState.Objects.Types;
+
+namespace Dalamud.Game.ClientState.Objects;
+
+/// <summary>
+/// Get and set various kinds of targets for the player.
+/// </summary>
+public interface ITargetManager
+{
+    /// <summary>
+    /// Gets the address of the target manager.
+    /// </summary>
+    public nint Address { get; }
+
+    /// <summary>
+    /// Gets or sets the current target.
+    /// Set to null to clear the target.
+    /// </summary>
+    public GameObject? Target { get; set; }
+
+    /// <summary>
+    /// Gets or sets the mouseover target.
+    /// Set to null to clear the target.
+    /// </summary>
+    public GameObject? MouseOverTarget { get; set; }
+
+    /// <summary>
+    /// Gets or sets the focus target.
+    /// Set to null to clear the target.
+    /// </summary>
+    public GameObject? FocusTarget { get; set; }
+
+    /// <summary>
+    /// Gets or sets the previous target.
+    /// Set to null to clear the target.
+    /// </summary>
+    public GameObject? PreviousTarget { get; set; }
+
+    /// <summary>
+    /// Gets or sets the soft target.
+    /// Set to null to clear the target.
+    /// </summary>
+    public GameObject? SoftTarget { get; set; }
+}