Add explosive cord. (#25875)

Content.Server/Power/Components/CablePlacerComponent.cs

@@ -1,16 +1,35 @@
 using Robust.Shared.Prototypes;
 using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom.Prototype;
 using Content.Shared.Power;
+using Content.Shared.Whitelist;
 
 namespace Content.Server.Power.Components
 {
     [RegisterComponent]
     public sealed partial class CablePlacerComponent : Component
     {
+        /// <summary>
+        /// The structure prototype for the cable coil to place.
+        /// </summary>
         [DataField("cablePrototypeID", customTypeSerializer:typeof(PrototypeIdSerializer<EntityPrototype>))]
         public string? CablePrototypeId = "CableHV";
 
+        /// <summary>
+        /// What kind of wire prevents placing this wire over it as CableType.
+        /// </summary>
         [DataField("blockingWireType")]
         public CableType BlockingCableType = CableType.HighVoltage;
+
+        /// <summary>
+        /// Blacklist for things the cable cannot be placed over. For things that arent cables with CableTypes.
+        /// </summary>
+        [DataField]
+        public EntityWhitelist Blacklist = new();
+
+        /// <summary>
+        /// Whether the placed cable should go over tiles or not.
+        /// </summary>
+        [DataField]
+        public bool OverTile;
     }
 }