Summary
The video delves into traditional AI methodologies used in video games, such as navigation meshes, finite state machines, and behavior trees. It explains automated planning in AI, where a system determines a sequence of actions to achieve a goal set by a designer. The use of goal-oriented action planning, adapted from STRIPS planning, is explored with examples from games like Fear and First Encounter Assault. The implementation of the Gulp system, based on finite state machines and AI planning, in Fear to control AI characters' behavior is detailed. Challenges in AI planning, such as replaying, validation checks, and re-planning, are discussed, emphasizing the importance of maintaining AI character behavior in dynamic game environments.
Introduction to AI in Video Game Development
Introduction to some of the traditional AI methodologies used in video games like navigation meshes, finite state machines, and behavior trees.
Automated Planning in AI
Explanation of automated planning in AI, where a system determines a sequence of actions to achieve a goal set by a designer.
Planning Actions and Effects
Breakdown of planning actions into parts: items involved, preconditions, and effects, with examples like opening a door in a game.
Goal-Oriented Action Planning
Exploration of goal-oriented action planning adapted from STRIPS planning, as applied in video games like Fear and First Encounter Assault.
Implementation of Gulp System in Fear
Details on how the Gulp system, based on finite state machines and AI planning, is implemented in Fear to control AI characters' behavior.
AI Planning and Goal Setting in Fear
Insight into how AI characters in Fear are scripted with goals by designers, planned through the Gulp system, and prioritize actions based on the game state.
Challenges and Solutions in AI Planning
Discussion on challenges faced during AI planning involving replaying, validation checks, and re-planning, with a focus on maintaining AI character behavior in dynamic game environments.
Impact of Goal-Oriented Action Planning
Reflection on the lasting impact and legacy of goal-oriented action planning in video games through examples in popular titles like Tomb Raider, Middle Earth series, and others.
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