Abstract:
A newly disclosed patent application from Sony Interactive Entertainment shows that the company is studying the use of machine learning technology to create NPC and Boss characters that can learn independently. The patent is called "AI-adapted non-player character for video game system" (AI adaptive non-player character game system). Its core concept is to allow game characters to dynamically adjust their behavior patterns based on the actual performance of the player.
According to the patent description, the system will continuously collect a large amount of game data when players fight NPCs or Bosses, input this information into a machine learning model for analysis, and then use the analysis results to modify character behavior.
The range of data collected by patents is quite broad. The system will not only record the player's reaction speed when facing the boss attack, but also record the success rate of dodge, block and parry, as well as the weapons used by the player, the type of consumables and the number of retries after a failed challenge. At the same time, the system will also analyze the boss's own attack pattern and which moves are often successfully avoided or countered by players.
This means that future boss battles may no longer rely on fixed scripts to run. If the system finds that players can always easily identify a certain attack action, the boss may gradually reduce the frequency of use of related moves and develop new attack combinations. On the contrary, if the player frequently makes mistakes in a certain link, the AI may adjust its strategy accordingly to create a more personalized battle experience.
It is worth noting that the patent covers more than just combat mechanics. The document also mentioned that the NPC's dialogue content, appearance and even voice characteristics can change according to the player's behavior, including details such as intonation and volume changes.
Sony said these changes can be pre-generated before the game is launched, generated in real time during play, or even adjusted after specific events. One of the most eye-catching scenarios is that the Boss can continue to learn players' habits and change tactics on the fly during the battle.
If this technology is eventually put into practical use, it may have a significant impact on action games and difficult games. Taking the "Souls" game as an example, players usually need to memorize the boss's moves through repeated practice and find fixed ways to deal with them. Under the new AI mechanism, the Boss may continue to change its playing style as players grow, making the traditional "backboard" strategy no longer reliable.
However, this technology is still in the patent application stage. Although the documents have been made public, Sony has not yet received official authorization and has not announced that any games or hardware products will use the system.
Industry insiders point out that large game companies submit a large number of patent applications every year, many of which will not eventually be converted into official products. Nonetheless, this patent still reveals Sony's thinking direction for the future development of game AI, which is to gradually evolve NPCs and Bosses from preset scripted roles into intelligent opponents that can observe, learn and adapt to player behavior.
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