Finish refactoring tools. Add multitools. (as in multiple tools in one)

Content.Shared/Construction/ConstructionPrototype.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using Content.Shared.GameObjects.Components.Interactable;
 using Robust.Shared.Prototypes;
 using Robust.Shared.Serialization;
 using Robust.Shared.Utility;
@@ -138,7 +139,7 @@ namespace Content.Shared.Construction
             if (step.TryGetNode("tool", out node))
             {
                 return new ConstructionStepTool(
-                    node.AsEnum<ConstructionStepTool.ToolType>(),
+                    node.AsEnum<Tool>(),
                     amount
                 );
             }
@@ -190,21 +191,12 @@ namespace Content.Shared.Construction
 
     public class ConstructionStepTool : ConstructionStep
     {
-        public readonly ToolType Tool;
+        public readonly Tool Tool;
 
-        public ConstructionStepTool(ToolType tool, int amount) : base(amount)
+        public ConstructionStepTool(Tool tool, int amount) : base(amount)
         {
             Tool = tool;
         }
-
-        public enum ToolType
-        {
-            Wrench,
-            Welder,
-            Screwdriver,
-            Crowbar,
-            Wirecutters,
-        }
     }
 
     public class ConstructionStepMaterial : ConstructionStep

Content.Shared/GameObjects/Components/Interactable/SharedToolComponent.cs

@@ -0,0 +1,46 @@
+using System;
+using Robust.Shared.GameObjects;
+using Robust.Shared.Serialization;
+
+namespace Content.Shared.GameObjects.Components.Interactable
+{
+    public enum Tool : byte
+    {
+        Wrench,
+        Crowbar,
+        Screwdriver,
+        Wirecutter,
+        Welder,
+        Multitool,
+    }
+
+    public class SharedToolComponent : Component
+    {
+        public override string Name => "Tool";
+        public override uint? NetID => ContentNetIDs.TOOL;
+
+        public virtual Tool Behavior { get; set; }
+    }
+
+    [NetSerializable, Serializable]
+    public class ToolComponentState : ComponentState
+    {
+        public float FuelCapacity { get; }
+        public float Fuel { get; }
+        public bool Activated { get; }
+        public Tool Behavior { get; }
+
+        public ToolComponentState(Tool behavior) : base(ContentNetIDs.TOOL)
+        {
+            Behavior = behavior;
+        }
+
+        public ToolComponentState(float fuelCapacity, float fuel, bool activated) : base(ContentNetIDs.TOOL)
+        {
+            FuelCapacity = fuelCapacity;
+            Fuel = fuel;
+            Activated = activated;
+            Behavior = Tool.Welder;
+        }
+    }
+}

Content.Shared/GameObjects/Components/WelderComponentState.cs

@@ -1,21 +0,0 @@
-using System;
-using Robust.Shared.GameObjects;
-using Robust.Shared.Serialization;
-
-namespace Content.Shared.GameObjects.Components
-{
-    [NetSerializable, Serializable]
-    public class WelderComponentState : ComponentState
-    {
-        public float FuelCapacity { get; }
-        public float Fuel { get; }
-        public bool Activated { get; }
-
-        public WelderComponentState(float fuelCapacity, float fuel, bool activated) : base(ContentNetIDs.WELDER)
-        {
-            FuelCapacity = fuelCapacity;
-            Fuel = fuel;
-            Activated = activated;
-        }
-    }
-}

Content.Shared/GameObjects/ContentNetIDs.cs

@@ -36,7 +36,7 @@
         public const uint GALACTIC_MARKET = 1031;
         public const uint HUMANOID_APPEARANCE = 1032;
         public const uint INSTRUMENTS = 1033;
-        public const uint WELDER = 1034;
+        public const uint TOOL = 1034;
         public const uint STACK = 1035;
         public const uint HANDHELD_LIGHT = 1036;
         public const uint PAPER = 1037;