Setting Up Navigation (Killing Floor 2)

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Introduction

This document is meant to be used to get an understanding of the Navigation system for Killing Floor 2. It's meant to give a basic usage guide and explanation of the editor markup that is particular to Navigation. There is also a section that covers unique requirements for the doors (KFDoorActor) in Killing Floor 2.


Navigation Actors

  • KFPathNode – typical navigation actor
  • KFPlayerStart – typical player start location for Killing Floor 2
  • KFDoorMarker – a navigation marker that helps the Zed navigate a doorway
  • KFPickupFactory_Ammo – a potential navigation marker (default off) A pickup for ammunition
  • KFPickupFactory_Item_Default – a potential navigation marker (default off) A pickup for tier 1 items
  • KFTrigger_ChokePoint – a navigation marker that helps the Zed navigate throw narrow passageways
  • KFDoorTrigger – a non navigation actor that works with the KFDoorMarker and KFPathNode. Used to allow Zed to interact with doors as well as Human players
  • KFPawnBlockingVolume – a special blocking volume that will block either players or Zed

Useful Editor Additions

NavigationActorKF2.jpg

If you select a navigation actor, such as a pathnode, and RMB on it, you will find half way down the context menu “Path Options”, this is a useful tool in measuring connections between two pathnodes, letting you know the maximum NPC size, etc. Below is the explanation of what is what.

Auto Position – enabling this option will get the engine to attempt to align the navigation marker

Select Unnecessary Pathnode(s)[TW] – using this option will attempt to select the PathNodes that are not needed in a the area

Force one-way connection – this will create a forced path between the first selected and second selected

Proscribe connection in one direction – this will proscribe (block/deny) a path between the first selected and second selected

Proscribe Paths – blocks/denies a connection between two selected (or more) nodes

Force Paths – forces a connection between the two selected (or more) nodes Clear Proscribed/Forced Paths – clears the forced and proscribed paths


Navigation Markup

NavigationMarkupKF2.jpg

Doors require very specific paths through the doorway. The KFPathNodes right near the the door have to be fully encased by the KFDoorTrigger on both sides of the doorway. The PathNodes that connect to the KFDoorMarker navigation marker outside the radius of the KFDoorTrigger MUST have it's paths proscribed (Blocked (RED)).

The KFDoorTrigger has a number of functionalities attached to it that are not outwardly apparent. One such function is that when a Zed encounters a KFDoorTrigger, the Zed's collision cylinder will shrink to allow more Zed through the doorway/tight corridor more easily. How this ties into navigation is that the Zed are trying to find a path that works like:

PathNode ↔ KFDoorMarker ↔ PathNode

So that the engine understands when to revert the collision cylinder of the Zed back to normal. The sequencing of the PathNodes to the the KFDoorMarker is essential to getting Zed to navigate correctly through a door. No other Navigation link can exist that bypasses the KFDoorMarker.

Path Connection Colors

Normal Connections

        Blue - narrow path (Stalker, Crawler, Siren or otherwise Small)
        Green - normal width (Clot, Gorefast, Husk or otherwise Medium)
        White - wide path (Bloat, Scrake, Hans, Pound or otherwise Large/Boss)
        Pink - very wide path (Sizes in excess of current)

Special Connections

        Yellow - forced path
        Red - proscribed path
        Light Purple - requires high jump (higher than normal jump capability) (Special Moves 1)
        Purple - "advanced" path (requires "intelligence" to be used) (Special Moves 2)
        Orange - Wall crawling narrow