Various nav mesh patches

Map 1:

• Fixed skybox not showing on low/medium shader setting

• Fixed skybox not showing on low/medium shader setting
  
• Fixed a lighting bug with the warehouse

• Fixed garage door having no collision

• Minor subtitle change

Fixed a missing particle material

Map 1:

• Added a wooden platform below the cliff's tunnel exit to prevent zombie suicide jump

• Prevent zombie from spawning in the saferoom

• Fixed a ladder's rotation in the Oxygen/Fuel control area
  
• Added Fuel/Oxygen pipes leading from the reactor
  
• Added 2nd level walkway to the silo's exterior (mostly for zombie spawns)

• Fixed zombie spawning in the water hole
  
• Moved the incinerator room's ladder slightly to the side (to avoid the jump pad's influence)
  
• Added a ladder for SI near the destroyed garage

Fixed missing UI image

Map 1:

• Add hint for the Health Charger
  
• Fixed some sand surface have incorrect physics
  
• Added a nav block for the unopened hatch door

• A few talker entity tweak
  
• Make scavenge targets stop glowing once the tank is filled up
  
• Added more ammo spawn
  
• Added more rescue closet
  
• Added clip brush for the large concrete slope in area 2 (mostly for bot's movement)

• Prevent Tank/Witch from spawning during the train ride
  
• Reduce SI spawn rate for the final event's horde
  
• Fixed the silo's Health Charger malfunctioning
  
• Added some more ammo spawn

• Extended the escape truck garage's nav block
  
• Added a few survivor talk/remark ent
  
• Fixed the ladder on the side of the destroyed building

• Added more rescue closet

Fixed a sound bug with the Health Charger

Map 1:

• Fixed bot could get stuck on the cliffside's pipe

• Added railing for the train - slight improvement for the bot

• Prevent zombie from spawning right outside the finale start area

Replaced credit music with Half-Life's OST

Map 1:

• Increased the cliff side tunnel's size and added some clip brushes for smoother movement
  
• Small visual tweak for the cliff's railings and catwalks

• Fixed nav block for the warehouse area
  
• Added nav block for the APC area (zombie will now try to climb over the rock instead of getting stuck at the tank)
  
• Fixed plane crash trigger not working
  
• Rescaled saferoom's range - you'll have to move a bit deeper inside to start the transition
  
• Opened up one of the Dam's railing - allow for death charge

• Fixed the horde not stopping if the player start the train then didn't ride it until the end (for whatever reason)
  
• Lowered zombie count for the train tunnel's horde
  
• Changed lighting + skybox

• Added more light to the armory
  
• Added more med kit spawns

• Fixed a stuck spot in the starting area
  
• Fixed nav block at the door area not working properly

Added missing water particle texture
Reduced red mine damage and radius, yellow mine has slight reduction, proximity mine remain the same
Reduced health charger's sound range
Various particle effect improvement

Map 1:
Added CI population
Fixed a crate's missing face
Added clip brush for the small tunnel

Map 2:
Added saferoom talk
Added a new area, featuring the original version of the Dam level
Moved scavenge event's trigger
Reduced landmine count
Added CI population

Map 3:
Added hints for the reactor puzzle
Added CI population

Map 4:
Added CI population
Added more weapon type to spawn in the armory
Added hint and fixed escape truck's collision
Added a path back inside the first building
Added more supply in the warehouse
Added ladder down from the roof of the incinerator building
Fixed missing climb nav near the howitzer
Added nav to help bot land better from the jump pad
Fixed missing door explosion sound
Added talk event upon using the card scanner

Map 5:
Added CI population
Fixed ledge hang error near the escape train
Added clip on rock cliff
Lowered zombie spawns
Fixed some floating props
Added talk event upon using the card scanner

Added missing particle file

Map 1:
Fixed navigation issue in the starting area
Fixed a floating land mine
Expanded a few area behind big rocks
Added hint for Health Charger
Fixed a missing sound entry

Map 2:

Map 3: Fixed a few nav issue

Map 4: Added hint for escape truck

Map 5:
Added missing lever model
Fixed bot getting stuck in the pool