Radiation rework (#10970)

Content.Server/Radiation/Components/RadiationBlockerComponent.cs

@@ -0,0 +1,29 @@
+using Content.Server.Radiation.Systems;
+
+namespace Content.Server.Radiation.Components;
+
+/// <summary>
+///     Blocks radiation when placed on tile.
+/// </summary>
+[RegisterComponent]
+[Access(typeof(RadiationSystem))]
+public sealed class RadiationBlockerComponent : Component
+{
+    /// <summary>
+    ///     Does it block radiation at all?
+    /// </summary>
+    [DataField("enabled")]
+    public bool Enabled = true;
+
+    /// <summary>
+    ///     How many rads per second does the blocker absorb?
+    /// </summary>
+    [DataField("resistance")]
+    public float RadResistance = 1f;
+
+    /// <summary>
+    ///     Current position of the rad blocker in grid coordinates.
+    ///     Null if doesn't anchored or doesn't block rads.
+    /// </summary>
+    public (EntityUid Grid, Vector2i Tile)? CurrentPosition;
+}