Implement machine linking (#1784)

* Implement machine linking

* Cleanup and rename Signals

* Implement signal button

* Add machine linking signal mapping

* Fix signallink command help

* Add localization to signal linking and allow infinite range

* Add feedback for when a transmitter is not connected to any receivers

Refactor PopupMessage to use the entity extension
Refactor dependencies to not have to disable warnings

Resources/Prototypes/Entities/Constructible/Walls/lighting.yml

@@ -22,6 +22,7 @@
     energy: 1.2
     offset: "0.5, 0"
     color: "#DCDCC6"
+  - type: SignalReceiver
   placement:
     snap:
     - Wallmount

Resources/Prototypes/Entities/Constructible/Walls/linking.yml

@@ -0,0 +1,41 @@
+- type: entity
+  id: SignalSwitch
+  name: "signal switch"
+  components:
+  - type: Clickable
+    bounds:
+      all: -0.25,-0.375,0.25,0.375
+  - type: InteractionOutline
+  - type: Collidable
+  - type: Sprite
+    sprite: Constructible/Linking/switch.rsi
+    state: on
+  - type: Icon
+    sprite: Constructible/Linking/switch.rsi
+    state: on
+  - type: SignalSwitch
+  - type: SignalTransmitter
+  placement:
+    snap:
+    - Wallmount
+
+- type: entity
+  id: SignalButton
+  name: "signal button"
+  components:
+  - type: Clickable
+    bounds:
+      all: -0.25,-0.375,0.25,0.375
+  - type: InteractionOutline
+  - type: Collidable
+  - type: Sprite
+    sprite: Constructible/Linking/switch.rsi
+    state: dead
+  - type: Icon
+    sprite: Constructible/Linking/switch.rsi
+    state: dead
+  - type: SignalButton
+  - type: SignalTransmitter
+  placement:
+    snap:
+    - Wallmount

Resources/Prototypes/Entities/Objects/Tools/tools.yml

@@ -185,6 +185,7 @@
   - type: Tool
     qualities:
       - Multitool
+  - type: SignalLinker
 
 - type: entity
   name: jaws of life