Prevents a bunch of constructions from being built inside impassables

Fixes #2747

Resources/Prototypes/Recipes/Construction/Graphs/conveyor.yml

@@ -0,0 +1,57 @@
+- type: constructionGraph
+  id: ConveyorGraph
+  start: start
+  graph:
+    - node: start
+      edges:
+        - to: entity
+          steps:
+            - component: ConveyorAssembly
+              icon:
+                sprite: Constructible/Power/conveyor.rsi
+                state: conveyor_loose
+              name: conveyor belt assembly
+              doAfter: 2
+    - node: item
+      entity: ConveyorBeltAssembly
+      actions:
+        - !type:SetAnchor
+          value: false
+    - node: entity
+      entity: ConveyorBelt
+      actions:
+        - !type:SetAnchor
+          value: true
+        - !type:SnapToGrid
+          offset: Center
+      edges:
+        - to: item
+          steps:
+            - tool: Prying
+              doAfter: 3
+
+- type: constructionGraph
+  id: leverGraph
+  start: start
+  graph:
+  - node: start
+    actions:
+      - !type:SpawnPrototype
+        prototype: SteelSheet1
+        amount: 2
+      - !type:DeleteEntity {}
+    edges:
+      - to: lever
+        completed:
+          - !type:SnapToGrid {}
+        steps:
+          - material: Metal
+            amount: 2
+            doAfter: 1
+  - node: lever
+    entity: TwoWayLever
+    edges:
+      - to: start
+        steps:
+          - tool: Anchoring
+            doAfter: 1

Resources/Prototypes/Recipes/Construction/conveyor.yml

@@ -0,0 +1,28 @@
+- type: construction
+  name: conveyor belt
+  id: conveyorbelt
+  graph: ConveyorGraph
+  startNode: start
+  targetNode: entity
+  category: Structures
+  description: A conveyor belt, commonly used to transport large numbers of items elsewhere quite quickly.
+  objectType: Structure
+  placementMode: SnapgridCenter
+  canBuildInImpassable: false
+  icon:
+    sprite: Constructible/Power/conveyor.rsi
+    state: conveyor_stopped_cw
+
+- type: construction
+  name: two-way lever
+  id: twowaylever
+  graph: leverGraph
+  startNode: start
+  targetNode: lever
+  category: Structures
+  description: A lever to control machines. It has 3 modes.
+  objectType: Structure
+  canBuildInImpassable: false
+  icon:
+    sprite: Constructible/Power/conveyor.rsi
+    state: switch-off

Resources/Prototypes/Recipes/Construction/structures.yml

@@ -12,6 +12,7 @@
   objectType: Structure
   placementMode: SnapgridCenter
   canRotate: false
+  canBuildInImpassable: false
 
 - type: construction
   name: wall
@@ -27,6 +28,7 @@
   objectType: Structure
   placementMode: SnapgridCenter
   canRotate: false
+  canBuildInImpassable: false
 
 - type: construction
   name: reinforced wall
@@ -42,6 +44,7 @@
   objectType: Structure
   placementMode: SnapgridCenter
   canRotate: false
+  canBuildInImpassable: false
 
 - type: construction
   name: low wall
@@ -70,6 +73,7 @@
   description: Clear. Must be built on top of a low wall.
   conditions:
     - !type:LowWallInTile {}
+    - !type:NoWindowsInTile {}
   icon:
     sprite: Constructible/Structures/Windows/window.rsi
     state: full
@@ -87,6 +91,7 @@
   description: Clear but tough. Must be built on top of a low wall.
   conditions:
     - !type:LowWallInTile {}
+    - !type:NoWindowsInTile {}
   icon:
     sprite: Constructible/Structures/Windows/reinforced_window.rsi
     state: full
@@ -104,6 +109,7 @@
   description: Clear and even tougher, with an orange tint. Must be built on top of a low wall.
   conditions:
     - !type:LowWallInTile {}
+    - !type:NoWindowsInTile {}
   icon:
     sprite: Constructible/Structures/Windows/phoron_window.rsi
     state: full
@@ -124,6 +130,7 @@
     state: closed
   objectType: Structure
   placementMode: SnapgridCenter
+  canBuildInImpassable: false
 
 - type: construction
   name: Table Frame
@@ -138,6 +145,7 @@
     state: full
   objectType: Structure
   placementMode: SnapgridCenter
+  canBuildInImpassable: false
 
 - type: construction
   name: Poker Table
@@ -152,6 +160,7 @@
     state: full
   objectType: Structure
   placementMode: SnapgridCenter
+  canBuildInImpassable: false
 
 - type: construction
   name: Catwalk
@@ -172,6 +181,7 @@
     state: catwalk_preview
   objectType: Structure
   placementMode: SnapgridCenter
+  canBuildInImpassable: false
 
 - type: construction
   name: APC
@@ -186,3 +196,4 @@
     state: apc0
   objectType: Structure
   placementMode: AlignWallProper
+  canBuildInImpassable: true