Add conditional camera offset based on cursor - Hristov Rework, Part 1 (#31626)

Content.Shared/Movement/Components/EyeCursorOffsetComponent.cs

@@ -0,0 +1,32 @@
+using System.Numerics;
+using Content.Shared.Movement.Systems;
+using Robust.Shared.GameStates;
+
+namespace Content.Shared.Movement.Components;
+
+/// <summary>
+/// Displaces SS14 eye data when given to an entity.
+/// </summary>
+[ComponentProtoName("EyeCursorOffset"), NetworkedComponent]
+public abstract partial class SharedEyeCursorOffsetComponent : Component
+{
+    /// <summary>
+    /// The amount the view will be displaced when the cursor is positioned at/beyond the max offset distance.
+    /// Measured in tiles.
+    /// </summary>
+    [DataField]
+    public float MaxOffset = 3f;
+
+    /// <summary>
+    /// The speed which the camera adjusts to new positions. 0.5f seems like a good value, but can be changed if you want very slow/instant adjustments.
+    /// </summary>
+    [DataField]
+    public float OffsetSpeed = 0.5f;
+
+    /// <summary>
+    /// The amount the PVS should increase to account for the max offset.
+    /// Should be 1/10 of MaxOffset most of the time.
+    /// </summary>
+    [DataField]
+    public float PvsIncrease = 0.3f;
+}