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[java] Java as a scripting language: using the JNI

Ziphnor · 2002-03-05T03:55:19

Hi, im considering using Java as a scripting language for AI, dialogue and probably effects from spells etc. in a RPG(well, i will probably never finish it, you get the idea In the game ill have the main game logic which manages a bunch of GameObjects, which can be a character or a door for example. All intelligent GameObjects will call an AI script once in a while. Having that script as a Java class isnt a problem as far as i can see when using the JNI. But this this script will want to query the gamelogic back for information, it might want get a handle(i dont want to bother "shipping" objects back and forth) to the nearest hostile GameObject, determine its type calling another method with the handle, and set an AI state. ie, something like this: int handle = getNearestEnemy(); String type = getType(handle); if(type == "DRAGON") setAIState(AI_FLEE); Im a bit confused as to how i expose these methods(int getNearestEnemy() & String getType(int handle)) to the script. Im looking for good places to find info on the JNI, but java.sun.com seems to have some slightly obsolete information, im not sure its tutorials have been updated, and anyway, they confuse me a little So anyone know a place to find a tutorial for something like this?(i already read the old Gamasutra article) Also, for very good reasons i only want the script to have access to a few select of the core java classes(String, Vector etc, but not AWT/Swing or anything like that!). Is such restrictions possible?

General and Gameplay Programming Programming

Started by Ziphnor February 22, 2002 11:46 AM

19 comments, last by Ziphnor 22 years, 2 months ago

Rickmeister

182

March 05, 2002 03:55 AM

What about Python??

Wannabe

[java] Java as a scripting language: using the JNI

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