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== The Enemy Spawn Director ==
= The Enemy Spawn Director =
The Enemy Spawn Director(ESD) monitors players through a mission, and decides what to spawn, where, and how much based on how well the player is doing. The ESD knows how well a player is doing based on '''''Stress Levels'''''. It makes changes to the amount of enemies that are spawning to try to ensure that you are under a constant and continuous amount of '''''Pressure.''''' By keeping your Pressure Level consistent throughout a mission, the ESD insures that there are never too little enemies and never to many enemies. For a More in depth guide on how the ESD works see [[Spawn System Info]].


== What files contribute to the ESD? ==
The '''Enemy Spawn Director (ESD)''' monitors players throughout a mission and dynamically adjusts enemy spawns, locations, and numbers based on player performance. 
There are many files that contribute to making things all flow and work nicely, but the two most important files that actively control the spawning of enemies, are the '''ESD_manager.sso''' and the '''ESD_factions_and_compositions.sso''' files. Both of these files at their core control what enemies spawn, and how many of them spawn.  
The ESD uses a system of '''''Stress Levels''''' and '''''Pressure''''' to regulate intensity, ensuring gameplay remains challenging without overwhelming players.


=== ESD_Manager.sso ===
For a detailed guide on spawn systems, see [[Spawn System Info]].
The ESD Manager file controls what spawns during the * [http://www.warhammerworkshop.com/index.php/Spawn_System_Info#Wave_Phase]
 
= Key Files Controlling the ESD =
 
Many files contribute to enemy spawning, but the two primary files are:
 
* '''esd_manager.sso'''
* '''esd_factions_and_compositions_library.sso'''
 
Both files control what enemies spawn, how many spawn, and under what conditions.
 
= esd_manager.sso =
 
The '''ESD Manager''' controls spawns during the [https://warhammerworkshop.com/index.php/Spawn_System_Info#Wave_Phase Wave Phase] of the spawn cycle, adjusting spawn rates and enemy types based on player Stress and Pressure values.
 
Location:
<code>server_pc\root\paks\server\default\default_other.pak\ssl\spawn_system\enemy_spawn_director\esd_manager.sso</code>
 
[[File:Phase_Lenth.png|thumb|460px|Wave Phase settings inside the ESD Manager]]
 
== Phase Length Settings ==
 
* Phases are categorized into '''SHORT''', '''NORMAL''', and '''LONG''' lengths based on Stress Level.
* High Stress reduces Wave Phase time, while extending Breather/Tension phases.
* All phase durations are measured in seconds.
 
== Pressure Settings ==
 
* Spawns only occur once the player's '''Pressure Score''' exceeds a threshold.
* Example:
** Standard spawn activation threshold: '''100 Pressure'''.
 
Tuning these values modifies when and how enemy spawns escalate.
 
[[File:Pressure_Settings.png|left|thumb|254px|Pressure settings for special enemies]]
 
== Enemy Spawn Packs ==
 
Each spawn entry is called an '''Enemy Spawn Pack''' and contains:
 
* '''isEnabled''': (''True''/''False'') flag to toggle the spawn.
* '''minCount''', '''maxCount''', or '''amount''': control how many enemies spawn.
* '''archetypeUid''': defines which enemy type spawns.
* '''combatType''': (''ANY'', ''RANGED'', ''MELEE'') priority setting.
* '''cooldown range''': sets minimum/maximum time before the spawn can reoccur.
 
[[File:ESD_Manager_Spawn_Pack.png|thumb|Screenshot of a Spawn Pack setup]]
 
== Extra Pack Variants ==
 
Spawn Packs can include additional units via '''extraPackVariants''', creating richer, more varied encounters.
 
* Each variant must have a unique name (use underscores, no spaces).
* Defined in ''SubPackDescs''.
* Variants can specify:
** '''archetypeUid''' (enemy type)
** Spawn amount
** '''excludedDifficultyLevels''' (0 = Minimal, 5 = Absolute)
 
== How Enemy Spawning Selection Works ==
 
Spawning is governed by [[wikipedia:Random_number_generation|Random Number Generation (RNG)]]. 
Each active spawn pack is selected randomly after cooldowns expire.
 
=== Cooldown Timers ===
 
* Separate cooldowns are maintained for different factions (e.g., Tyranids vs Chaos).
* Cooldowns are measured in seconds.
 
Example:
* Base cooldown: '''240 seconds''' → New spawn selection every 4 minutes.
 
=== Difficulty Modifiers ===
 
* Cooldown times are multiplied based on difficulty:
** Easy difficulties: Cooldown × 1.5
** Hard difficulties: Cooldown × 0.8 or lower
 
Example:
* Base cooldown: 240s
* Modifier (1.5×): 360s
* Modifier (0.7×): 168s
 
= esd_factions_and_compositions_library.sso =
 
The '''ESD Factions and Compositions Library''' manages spawning during the [https://warhammerworkshop.com/index.php/Spawn_System_Info#Tension_Phase Tension Phase].
 
Location:
<code>server_pc\root\paks\server\default\default_other.pak\ssl\spawn_system\enemy_spawn_director\esd_factions_and_compositions_library.sso</code>
 
[[File:Hormagaunt_spawn_picture.png|thumb|A Hormagaunt Spawn Pack example]]
 
== Tension Phase Spawn Packs ==
 
* Packs define entire groups of enemies rather than single spawns.
* Each Spawn Pack contains multiple '''SubPacks'''.
 
Naming rules:
* Spawn Pack names must be unique (only underscores allowed).
* SubPack names must be unique within each pack.
 
Example:
* Spawn Pack '''HormagauntSergeants_idle''' includes:
** 20 Hormagaunts
** 5 Hormagaunt Sergeants
 
== Behavior Settings ==
 
* '''packType''': defines behavior on spawn (''AGGRO'' or ''IDLE'').
* '''combatType''': prioritizes ''RANGED'' or ''MELEE'' behavior.
 
= What Can I Spawn? =
 
By default:
 
* '''Extremis''', '''Terminus''', and '''Mini-Boss''' enemies spawn primarily during Wave Phases (esd_manager.sso).
 
However:
 
* Any enemy type (Tyranid, Chaos, or others) can be spawned by specifying the appropriate '''archetypeUid'''.
* Mixed spawns are possible — e.g., Rubric Marines spawning with Hormagaunts.
 
See [https://warhammerworkshop.com/index.php/Enemy_Info#Archetypes Archetypes] for a full list of spawnable enemies.
 
<blockquote>''This page is incomplete. The Tech-Priests recording this data exhausted their memory banks. Contributions are welcome.''</blockquote>

Latest revision as of 13:19, 29 April 2025

The Enemy Spawn Director[edit | edit source]

The Enemy Spawn Director (ESD) monitors players throughout a mission and dynamically adjusts enemy spawns, locations, and numbers based on player performance. The ESD uses a system of Stress Levels and Pressure to regulate intensity, ensuring gameplay remains challenging without overwhelming players.

For a detailed guide on spawn systems, see Spawn System Info.

Key Files Controlling the ESD[edit | edit source]

Many files contribute to enemy spawning, but the two primary files are:

  • esd_manager.sso
  • esd_factions_and_compositions_library.sso

Both files control what enemies spawn, how many spawn, and under what conditions.

esd_manager.sso[edit | edit source]

The ESD Manager controls spawns during the Wave Phase of the spawn cycle, adjusting spawn rates and enemy types based on player Stress and Pressure values.

Location: server_pc\root\paks\server\default\default_other.pak\ssl\spawn_system\enemy_spawn_director\esd_manager.sso

Wave Phase settings inside the ESD Manager

Phase Length Settings[edit | edit source]

  • Phases are categorized into SHORT, NORMAL, and LONG lengths based on Stress Level.
  • High Stress reduces Wave Phase time, while extending Breather/Tension phases.
  • All phase durations are measured in seconds.

Pressure Settings[edit | edit source]

  • Spawns only occur once the player's Pressure Score exceeds a threshold.
  • Example:
    • Standard spawn activation threshold: 100 Pressure.

Tuning these values modifies when and how enemy spawns escalate.

Pressure settings for special enemies

Enemy Spawn Packs[edit | edit source]

Each spawn entry is called an Enemy Spawn Pack and contains:

  • isEnabled: (True/False) flag to toggle the spawn.
  • minCount, maxCount, or amount: control how many enemies spawn.
  • archetypeUid: defines which enemy type spawns.
  • combatType: (ANY, RANGED, MELEE) priority setting.
  • cooldown range: sets minimum/maximum time before the spawn can reoccur.
Screenshot of a Spawn Pack setup

Extra Pack Variants[edit | edit source]

Spawn Packs can include additional units via extraPackVariants, creating richer, more varied encounters.

  • Each variant must have a unique name (use underscores, no spaces).
  • Defined in SubPackDescs.
  • Variants can specify:
    • archetypeUid (enemy type)
    • Spawn amount
    • excludedDifficultyLevels (0 = Minimal, 5 = Absolute)

How Enemy Spawning Selection Works[edit | edit source]

Spawning is governed by Random Number Generation (RNG). Each active spawn pack is selected randomly after cooldowns expire.

Cooldown Timers[edit | edit source]

  • Separate cooldowns are maintained for different factions (e.g., Tyranids vs Chaos).
  • Cooldowns are measured in seconds.

Example:

  • Base cooldown: 240 seconds → New spawn selection every 4 minutes.

Difficulty Modifiers[edit | edit source]

  • Cooldown times are multiplied based on difficulty:
    • Easy difficulties: Cooldown × 1.5
    • Hard difficulties: Cooldown × 0.8 or lower

Example:

  • Base cooldown: 240s
  • Modifier (1.5×): 360s
  • Modifier (0.7×): 168s

esd_factions_and_compositions_library.sso[edit | edit source]

The ESD Factions and Compositions Library manages spawning during the Tension Phase.

Location: server_pc\root\paks\server\default\default_other.pak\ssl\spawn_system\enemy_spawn_director\esd_factions_and_compositions_library.sso

A Hormagaunt Spawn Pack example

Tension Phase Spawn Packs[edit | edit source]

  • Packs define entire groups of enemies rather than single spawns.
  • Each Spawn Pack contains multiple SubPacks.

Naming rules:

  • Spawn Pack names must be unique (only underscores allowed).
  • SubPack names must be unique within each pack.

Example:

  • Spawn Pack HormagauntSergeants_idle includes:
    • 20 Hormagaunts
    • 5 Hormagaunt Sergeants

Behavior Settings[edit | edit source]

  • packType: defines behavior on spawn (AGGRO or IDLE).
  • combatType: prioritizes RANGED or MELEE behavior.

What Can I Spawn?[edit | edit source]

By default:

  • Extremis, Terminus, and Mini-Boss enemies spawn primarily during Wave Phases (esd_manager.sso).

However:

  • Any enemy type (Tyranid, Chaos, or others) can be spawned by specifying the appropriate archetypeUid.
  • Mixed spawns are possible — e.g., Rubric Marines spawning with Hormagaunts.

See Archetypes for a full list of spawnable enemies.

This page is incomplete. The Tech-Priests recording this data exhausted their memory banks. Contributions are welcome.