Comoss sewers (zlevels added) (#655)

* comoss zlevel sewers

* Update biome_template_caves.yml

* Update GhostSystem.cs

* Update GhostSystem.cs

Resources/Prototypes/_CP14/Entities/Structures/Furniture/pallets.yml

@@ -12,6 +12,9 @@
     drawdepth: FloorTiles
   - type: Transform
     anchored: true
+  - type: Tag
+    tags:
+      - Catwalk
 
 - type: entity
   id: CP14WoodenPallet

Resources/Prototypes/_CP14/Entities/Structures/dungeon_entrance.yml

@@ -13,11 +13,11 @@
   - type: Physics
     bodyType: Static
   - type: Sprite
-    sprite: /Textures/_CP14/Structures/Dungeon/holes.rsi
+    sprite: /Textures/_CP14/Structures/Dungeon/ladders.rsi
     drawdepth: FloorTiles
     layers:
-    - state: hole_big
-    - state: ladder_big_top_part
+    - state: ladder
+    - state: down
   - type: Fixtures
     fixtures:
       portalFixture:
@@ -42,10 +42,11 @@
   components:
   - type: Sprite
     noRot: true
-    sprite: /Textures/_CP14/Structures/Dungeon/holes.rsi
-    drawdepth: Mobs
+    sprite: /Textures/_CP14/Structures/Dungeon/ladders.rsi
+    drawdepth: FloorTiles
     layers:
-    - state: ladder_bottom_part
+    - state: ladder
+    - state: top
   - type: PointLight
     color: White
     radius: 3

Resources/Prototypes/_CP14/Maps/arenas.yml

@@ -64,6 +64,11 @@
             CP14Banker: [3, 4]
             CP14Guard: [8, 8]
             CP14GuardCommander: [1, 1]
+        - type: CP14StationZLevels
+          defaultMapLevel: 0
+          levels:
+            -1:
+              path: /Maps/_CP14/comoss_d.yml
         - type: CP14StationKeyDistribution
           keys:
           - TavernDorms1

Resources/Prototypes/_CP14/Procedural/biome_template_caves.yml

@@ -109,12 +109,12 @@
         - CP14WallStone
     #Copper
     - !type:BiomeEntityLayer
-      threshold: 0.5
+      threshold: 0.7
       noise:
         seed: 20
         noiseType: OpenSimplex2
         fractalType: FBm
-        frequency: 3
+        frequency: 2
       allowedTiles:
         - CP14FloorBase
       entities: