Some work on the mess that is this power code.

Jesus.

Tons of fixes, refactors and other things.
The powernet's code is still awful though.

Resources/Prototypes/Entities/Power.yml

@@ -57,6 +57,7 @@
   - type: PowerProvider
     Range: 5
     Priority: Provider
+    Load: 0
 
 - type: entity
   parent: WPPnobattery

Resources/Prototypes/Entities/PoweredLighting.yml

@@ -0,0 +1,17 @@
+- type: entity
+  name: Light
+  id: poweredlight
+  parent: __engine_wall_light
+  components:
+  # So we can click on it for deletion.
+  - type: BoundingBox
+  - type: Sprite
+    texture: Objects/wall_light_off.png
+
+  - type: PowerDevice
+    load: 1
+    priority: Low
+
+  - type: PoweredLight
+  - type: PointLight
+    state: Off

Resources/Prototypes/Entities/Tools.yml

@@ -81,3 +81,4 @@
     texture: Objects/multitool.png
   - type: Icon
     texture: Objects/multitool.png
+  - type: PowerDebugTool