A.I. Director

A.I. Director is a concept that appears in 10 games
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The given name to a dynamic system that overlooks the progression and behavior of a player. It then changes the gameplay difficulty to either reward or punish the player accordingly.

Overview

The AI director was created for Left 4 Dead in order to enhance the experience of a zombie apocalypse to the fullest.  The director decides where weapons upgrades, ammo, pills, pipebombs, molotovs and medpaks spawn.  In addition to these positive traits the director also decides where infected will spawn, how many there will be, where to place an infected rush, and how often special infected spawn.  The director decides when and where to place these pros and cons depending on player skill, how long it's been since a previous attack or a health station, how much health the players have, the difficulty set, and how close they are to the end of the level.  
The director works on many complex triggers.  For instance:

If:
  • Players have 100% health
  • Players have 100% ammo
  • Players are at the end of the level

Then:
  • Spawn a "Tank" special infected

This of course is a simplified version of the game's actually system, but on the most basic level that's how the director works. The director will work in maps not optimized for its use, since all of its abilities rely on spawning things corresponding to the players' position. Infected can spawn only if they are out of sight, and health and ammo will spawn relatively close in an out of sight location. Because of this system, custom maps are very easy to make for Left 4 Dead since modders do not need to handle spawn locations themselves.
A.I. Director games Edit
Name Platforms Developer
Poptropica PC, MAC
Firefall PC Red 5 Studios
Payday: The Heist released on Oct. 18, 2011 PC, PS3N Overkill Software
The Binding of Isaac released on Sept. 28, 2011 MAC, PC
Driver: San Francisco released on Sept. 6, 2011 XBLM, WII, X360, PS3N, MAC, PC, PS3 Ubisoft Reflections
Alien Swarm released on July 19, 2010 PC Valve Corporation
Leave Home released on Dec. 12, 2009 PC, XBLM
Left 4 Dead 2 released on Nov. 17, 2009 PC, MAC, X360 Valve Corporation
Left 4 Dead released on Nov. 18, 2008 MAC, PC, X360 Valve Corporation, Certain Affinity, Turtle Rock Studios, Inc.
SiN Episodes: Emergence released on May 10, 2006 PC Ritual Entertainment
General Information Edit
Concept Name: A.I. Director
Appears in: 10 games
First appearance: Left 4 Dead
Aliases Dynamic Difficulty
Scalable Difficulty

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