diff --git a/Resources/Maps/centcomm.yml b/Resources/Maps/centcomm.yml
index ed1bdb7b46..cdbd32fc2c 100644
--- a/Resources/Maps/centcomm.yml
+++ b/Resources/Maps/centcomm.yml
@@ -64,7 +64,8 @@ tilemap:
   57: Lattice
   58: Plating
 grids:
-- settings:
+- uid: 0
+  settings:
     chunksize: 16
     tilesize: 1
   chunks:
@@ -129,10 +130,12 @@ grids:
 entities:
 - uid: 0
   components:
-  - parent: 76
+  - type: MetaData
+  - parent: null
     type: Transform
-  - index: 0
-    type: MapGrid
+  - type: MapGrid
+  - type: EntityLookup
+  - type: Broadphase
   - id: centcomm
     type: BecomesStation
   - angularDamping: 0.05
@@ -4390,25 +4393,25 @@ entities:
       0,-1: 0
       -16,-16: 0
       -16,-11: 0
-      -16,-10: 0
+      -16,-10: 1
       -16,-9: 0
       -16,-8: 0
       -16,-7: 0
       -16,-6: 0
       -16,-5: 0
-      -16,-4: 0
+      -16,-4: 1
       -16,-3: 0
       -16,-2: 0
       -16,-1: 0
       -15,-16: 0
       -15,-11: 0
-      -15,-10: 0
+      -15,-10: 1
       -15,-9: 0
       -15,-8: 0
       -15,-7: 0
       -15,-6: 0
       -15,-5: 0
-      -15,-4: 0
+      -15,-4: 1
       -15,-3: 0
       -15,-2: 0
       -15,-1: 0
@@ -4448,13 +4451,13 @@ entities:
       -12,-13: 0
       -12,-12: 0
       -12,-11: 0
-      -12,-10: 0
+      -12,-10: 1
       -12,-9: 0
       -12,-8: 0
       -12,-7: 0
       -12,-6: 0
       -12,-5: 0
-      -12,-4: 0
+      -12,-4: 1
       -12,-3: 0
       -12,-2: 0
       -12,-1: 0
@@ -4462,13 +4465,13 @@ entities:
       -11,-13: 0
       -11,-12: 0
       -11,-11: 0
-      -11,-10: 0
+      -11,-10: 1
       -11,-9: 0
       -11,-8: 0
       -11,-7: 0
       -11,-6: 0
       -11,-5: 0
-      -11,-4: 0
+      -11,-4: 1
       -11,-3: 0
       -11,-2: 0
       -11,-1: 0
@@ -4525,7 +4528,7 @@ entities:
       -7,-14: 0
       -7,-13: 0
       -7,-12: 0
-      -7,-11: 0
+      -7,-11: 1
       -7,-10: 0
       -7,-9: 0
       -7,-8: 0
@@ -4794,7 +4797,7 @@ entities:
       10,-8: 0
       10,-7: 0
       10,-6: 0
-      10,-5: 0
+      10,-5: 1
       10,-4: 0
       10,-3: 0
       10,-2: 0
@@ -4863,7 +4866,7 @@ entities:
       14,-3: 0
       14,-2: 0
       14,-1: 0
-      15,-16: 0
+      15,-16: 1
       15,-15: 0
       15,-14: 0
       15,-13: 0
@@ -5393,7 +5396,7 @@ entities:
       15,15: 0
       16,-16: 0
       16,-15: 0
-      16,-14: 0
+      16,-14: 1
       16,-13: 0
       16,-12: 0
       16,-11: 0
@@ -5441,10 +5444,10 @@ entities:
       18,-1: 0
       19,-16: 0
       19,-15: 0
-      19,-14: 0
+      19,-14: 1
       19,-13: 0
       19,-12: 0
-      19,-11: 0
+      19,-11: 1
       19,-10: 0
       19,-9: 0
       19,-8: 0
@@ -5492,7 +5495,7 @@ entities:
       22,-14: 0
       22,-13: 0
       22,-12: 0
-      22,-11: 0
+      22,-11: 1
       22,-10: 0
       22,-9: 0
       22,-8: 0
@@ -5505,7 +5508,7 @@ entities:
       22,-1: 0
       23,-16: 0
       23,-15: 0
-      23,-14: 0
+      23,-14: 1
       23,-13: 0
       23,-12: 0
       23,-11: 0
@@ -5569,7 +5572,7 @@ entities:
       26,-1: 0
       27,-16: 0
       27,-15: 0
-      27,-14: 0
+      27,-14: 1
       27,-13: 0
       27,-12: 0
       27,-11: 0
@@ -5585,7 +5588,7 @@ entities:
       27,-1: 0
       28,-16: 0
       28,-15: 0
-      28,-14: 0
+      28,-14: 1
       28,-13: 0
       28,-12: 0
       28,-11: 0
@@ -5615,7 +5618,7 @@ entities:
       29,-3: 0
       29,-2: 0
       29,-1: 0
-      30,-16: 0
+      30,-16: 1
       30,-15: 0
       30,-14: 0
       30,-13: 0
@@ -6276,7 +6279,7 @@ entities:
       -15,-20: 0
       -15,-19: 0
       -15,-18: 0
-      -15,-17: 0
+      -15,-17: 1
       -14,-32: 0
       -14,-31: 0
       -14,-30: 0
@@ -6335,7 +6338,7 @@ entities:
       -11,-25: 0
       -11,-24: 0
       -11,-23: 0
-      -11,-22: 0
+      -11,-22: 1
       -11,-21: 0
       -11,-20: 0
       -11,-19: 0
@@ -6351,7 +6354,7 @@ entities:
       -10,-25: 0
       -10,-24: 0
       -10,-23: 0
-      -10,-22: 0
+      -10,-22: 1
       -10,-21: 0
       -10,-20: 0
       -10,-19: 0
@@ -6534,11 +6537,11 @@ entities:
       33,14: 0
       33,15: 0
       34,0: 0
-      34,1: 0
+      34,1: 1
       34,2: 0
       34,3: 0
       34,4: 0
-      34,5: 0
+      34,5: 1
       34,6: 0
       34,7: 0
       34,8: 0
@@ -6597,7 +6600,7 @@ entities:
       33,-3: 0
       33,-2: 0
       33,-1: 0
-      34,-16: 0
+      34,-16: 1
       34,-15: 0
       34,-14: 0
       34,-13: 0
@@ -6606,11 +6609,11 @@ entities:
       34,-10: 0
       34,-9: 0
       34,-8: 0
-      34,-7: 0
+      34,-7: 1
       34,-6: 0
       34,-5: 0
       34,-4: 0
-      34,-3: 0
+      34,-3: 1
       34,-2: 0
       34,-1: 0
       35,-16: 0
@@ -6727,7 +6730,7 @@ entities:
       -10,21: 0
       -10,22: 0
       -10,23: 0
-      -10,24: 0
+      -10,24: 1
       -10,25: 0
       -10,26: 0
       -10,27: 0
@@ -6738,16 +6741,16 @@ entities:
       -9,16: 0
       -9,17: 0
       -9,18: 0
-      -9,19: 0
+      -9,19: 1
       -9,20: 0
       -9,21: 0
-      -9,22: 0
+      -9,22: 1
       -9,23: 0
       -9,24: 0
       -9,25: 0
       -9,26: 0
       -9,27: 0
-      -9,28: 0
+      -9,28: 1
       -9,29: 0
       -9,30: 0
       -9,31: 0
@@ -6757,11 +6760,11 @@ entities:
       -8,19: 0
       -8,20: 0
       -8,21: 0
-      -8,22: 0
+      -8,22: 1
       -8,23: 0
       -8,24: 0
       -8,25: 0
-      -8,26: 0
+      -8,26: 1
       -8,27: 0
       -8,28: 0
       -8,29: 0
@@ -6777,16 +6780,16 @@ entities:
       -7,23: 0
       -7,24: 0
       -7,25: 0
-      -7,26: 0
+      -7,26: 1
       -7,27: 0
       -7,28: 0
       -7,29: 0
       -7,30: 0
       -7,31: 0
       -6,16: 0
-      -6,17: 0
+      -6,17: 1
       -6,18: 0
-      -6,19: 0
+      -6,19: 1
       -6,20: 0
       -6,21: 0
       -6,22: 0
@@ -6823,7 +6826,7 @@ entities:
       -4,21: 0
       -4,22: 0
       -4,23: 0
-      -4,24: 0
+      -4,24: 1
       -4,25: 0
       -4,26: 0
       -4,28: 0
@@ -6873,7 +6876,7 @@ entities:
       0,16: 0
       0,17: 0
       0,18: 0
-      0,19: 0
+      0,19: 1
       0,20: 0
       0,21: 0
       0,22: 0
@@ -6907,13 +6910,13 @@ entities:
       2,18: 0
       2,19: 0
       2,20: 0
-      2,21: 0
+      2,21: 1
       2,22: 0
       2,23: 0
-      2,24: 0
+      2,24: 1
       2,25: 0
       2,26: 0
-      2,27: 0
+      2,27: 1
       2,28: 0
       2,29: 0
       2,30: 0
@@ -6967,7 +6970,7 @@ entities:
       5,30: 0
       5,31: 0
       6,16: 0
-      6,17: 0
+      6,17: 1
       6,18: 0
       6,19: 0
       6,20: 0
@@ -7007,7 +7010,7 @@ entities:
       8,22: 0
       8,23: 0
       8,24: 0
-      8,25: 0
+      8,25: 1
       8,26: 0
       8,27: 0
       8,28: 0
@@ -7097,7 +7100,7 @@ entities:
       14,16: 0
       14,17: 0
       14,18: 0
-      14,19: 0
+      14,19: 1
       14,20: 0
       14,21: 0
       14,22: 0
@@ -7115,13 +7118,13 @@ entities:
       15,18: 0
       15,19: 0
       15,20: 0
-      15,21: 0
+      15,21: 1
       15,22: 0
       15,23: 0
-      15,24: 0
+      15,24: 1
       15,25: 0
       15,26: 0
-      15,27: 0
+      15,27: 1
       15,28: 0
       15,29: 0
       15,30: 0
@@ -7141,7 +7144,7 @@ entities:
       34,-22: 0
       34,-21: 0
       34,-20: 0
-      34,-19: 0
+      34,-19: 1
       34,-18: 0
       34,-17: 0
       35,-22: 0
@@ -7205,7 +7208,7 @@ entities:
       19,20: 0
       19,21: 0
       19,22: 0
-      19,23: 0
+      19,23: 1
       19,24: 0
       19,25: 0
       20,16: 0
@@ -7215,7 +7218,7 @@ entities:
       20,20: 0
       20,21: 0
       20,22: 0
-      20,23: 0
+      20,23: 1
       20,24: 0
       20,25: 0
       21,16: 0
@@ -7356,7 +7359,7 @@ entities:
       -31,3: 0
       -31,4: 0
       -31,5: 0
-      -31,6: 0
+      -31,6: 1
       -31,7: 0
       -30,0: 0
       -30,1: 0
@@ -7364,7 +7367,7 @@ entities:
       -30,3: 0
       -30,4: 0
       -30,5: 0
-      -30,6: 0
+      -30,6: 1
       -30,7: 0
       -29,0: 0
       -29,1: 0
@@ -7390,7 +7393,7 @@ entities:
       -28,13: 0
       -27,0: 0
       -27,1: 0
-      -27,2: 0
+      -27,2: 1
       -27,3: 0
       -27,4: 0
       -27,5: 0
@@ -7838,7 +7841,7 @@ entities:
       -35,-2: 0
       -35,-1: 0
       -34,-4: 0
-      -34,-3: 0
+      -34,-3: 1
       -34,-2: 0
       -34,-1: 0
       -33,-4: 0
@@ -7854,7 +7857,7 @@ entities:
       -35,6: 0
       -35,7: 0
       -34,0: 0
-      -34,1: 0
+      -34,1: 1
       -34,2: 0
       -34,3: 0
       -34,4: 0
@@ -7925,7 +7928,7 @@ entities:
       14,-33: 0
       15,-32: 0
       15,-31: 0
-      15,-30: 0
+      15,-30: 1
       15,-29: 0
       15,-28: 0
       15,-27: 0
@@ -7968,7 +7971,7 @@ entities:
       19,-30: 0
       19,-29: 0
       19,-28: 0
-      19,-27: 0
+      19,-27: 1
       19,-26: 0
       19,-25: 0
       19,-24: 0
@@ -7978,7 +7981,7 @@ entities:
       20,-30: 0
       20,-29: 0
       20,-28: 0
-      20,-27: 0
+      20,-27: 1
       20,-26: 0
       20,-25: 0
       20,-24: 0
@@ -7988,7 +7991,7 @@ entities:
       21,-30: 0
       21,-29: 0
       21,-28: 0
-      21,-27: 0
+      21,-27: 1
       21,-26: 0
       21,-25: 0
       21,-24: 0
@@ -8011,8 +8014,8 @@ entities:
       23,-27: 0
       23,-26: 0
       23,-25: 0
-      23,-24: 0
-      23,-23: 0
+      23,-24: 1
+      23,-23: 1
       24,-32: 0
       24,-31: 0
       24,-30: 0
@@ -8408,13 +8411,13 @@ entities:
       -24,-23: 0
       -24,-22: 0
       -23,-30: 0
-      -23,-29: 0
+      -23,-29: 1
       -23,-28: 0
       -23,-27: 0
       -23,-26: 0
       -23,-25: 0
       -23,-24: 0
-      -23,-23: 0
+      -23,-23: 1
       -23,-22: 0
       -22,-32: 0
       -22,-31: 0
@@ -8471,7 +8474,7 @@ entities:
       -18,-24: 0
       -18,-23: 0
       -18,-22: 0
-      -17,-32: 0
+      -17,-32: 1
       -17,-31: 0
       -17,-30: 0
       -17,-29: 0
@@ -8503,7 +8506,25 @@ entities:
       - 0
       - 0
       - 0
+    - volume: 2500
+      temperature: 293.15
+      moles:
+      - 21.213781
+      - 79.80423
+      - 0
+      - 0
+      - 0
+      - 0
+      - 0
+      - 0
+      - 0
+      - 0
+      - 0
+      - 0
     type: GridAtmosphere
+  - type: OccluderTree
+  - type: Shuttle
+  - type: GridPathfinding
 - uid: 1
   type: WallRiveted
   components:
@@ -8954,10 +8975,6 @@ entities:
   - pos: -2.5,2.5
     parent: 0
     type: Transform
-- uid: 76
-  components:
-  - index: 4
-    type: Map
 - uid: 77
   type: ReinforcedWindow
   components:
@@ -11131,7 +11148,6 @@ entities:
       - BulletImpassable
       - InteractImpassable
       - Opaque
-      mass: 100
     - shape: !type:PhysShapeCircle
         position: 0,-0.5
         radius: 0.2
@@ -11164,7 +11180,6 @@ entities:
       - BulletImpassable
       - InteractImpassable
       - Opaque
-      mass: 100
     - shape: !type:PhysShapeCircle
         position: 0,-0.5
         radius: 0.2
@@ -11197,7 +11212,6 @@ entities:
       - BulletImpassable
       - InteractImpassable
       - Opaque
-      mass: 100
     - shape: !type:PhysShapeCircle
         position: 0,-0.5
         radius: 0.2
@@ -11230,7 +11244,6 @@ entities:
       - BulletImpassable
       - InteractImpassable
       - Opaque
-      mass: 100
     - shape: !type:PhysShapeCircle
         position: 0,-0.5
         radius: 0.2
@@ -19102,7 +19115,6 @@ entities:
       - BulletImpassable
       - InteractImpassable
       - Opaque
-      mass: 100
     - shape: !type:PhysShapeCircle
         position: 0,-0.5
         radius: 0.2
@@ -19135,7 +19147,6 @@ entities:
       - BulletImpassable
       - InteractImpassable
       - Opaque
-      mass: 100
     - shape: !type:PhysShapeCircle
         position: 0,-0.5
         radius: 0.2
@@ -19546,7 +19557,6 @@ entities:
       - BulletImpassable
       - InteractImpassable
       - Opaque
-      mass: 100
     - shape: !type:PhysShapeCircle
         position: 0,-0.5
         radius: 0.2
@@ -34046,7 +34056,6 @@ entities:
       - BulletImpassable
       - InteractImpassable
       - Opaque
-      mass: 100
     - shape: !type:PhysShapeCircle
         position: 0,-0.5
         radius: 0.2
@@ -34079,7 +34088,6 @@ entities:
       - BulletImpassable
       - InteractImpassable
       - Opaque
-      mass: 100
     - shape: !type:PhysShapeCircle
         position: 0,-0.5
         radius: 0.2
@@ -46822,7 +46830,6 @@ entities:
       - BulletImpassable
       - InteractImpassable
       - Opaque
-      mass: 100
     - shape: !type:PhysShapeCircle
         position: 0,-0.5
         radius: 0.2
@@ -46855,7 +46862,6 @@ entities:
       - BulletImpassable
       - InteractImpassable
       - Opaque
-      mass: 100
     - shape: !type:PhysShapeCircle
         position: 0,-0.5
         radius: 0.2
@@ -48850,7 +48856,6 @@ entities:
       - BulletImpassable
       - InteractImpassable
       - Opaque
-      mass: 100
     - shape: !type:PhysShapeCircle
         position: 0,-0.5
         radius: 0.2
@@ -48882,7 +48887,6 @@ entities:
       - BulletImpassable
       - InteractImpassable
       - Opaque
-      mass: 100
     - shape: !type:PhysShapeCircle
         position: 0,-0.5
         radius: 0.2