dongti7838 2009-10-01 00:04
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用Java编写脚本(用PHP)?

I'm trying to write a simple Java game. I have a NPC class, with a function Dialog which returns what the npc would say, which would depend on various conditions.

I'm thinking that it would probably make sense to offload the logic of deciding what each npc would say to a scripting language, so that it could be changed updated easily. That way, I can create each NPC instance using something like

npc Mayor = new npc("mayor.php");

or something to that effect. So I googled around and found a bunch of technologies (PHP/Java Bridge, Querticus, Java Servlet SAPI, etc.) but only got confused what each did and whether it provides the functionality I'm looking for.

I'm not really limited to PHP, but that's just the one I'm most used to, and since I have the flag conditions that decide the npc's dialog stored in a local mysql database. I'd rather not have the scripts available online, so maybe a different scripting language would be more useful in this case?

I'm open to any ideas or suggestions on how I should implement this. Thanks!

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  • doutang6819 2009-10-01 00:21
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    Scripting in games is often done using Lua. However, since you are using Java, I might recommend a Java-based scripting language such as Groovy, JRuby or Jython.

    In Java 6, you can now call scripting language directly from Java. For example, with JavaSCript:

    import javax.script.*;
    public class EvalScript {
        public static void main(String[] args) throws Exception {
            // create a script engine manager
            ScriptEngineManager factory = new ScriptEngineManager();
            // create a JavaScript engine
            ScriptEngine engine = factory.getEngineByName("JavaScript");
            // evaluate JavaScript code from String
            engine.eval("print('Hello, World')");
        }
    }
    

    There is a scripting project hosted by Sun in which you various scripting languages (including Python and AWK) have been integrated with the new Java 6 scripting engine. PHP is unfortunately not yet on this list, although there is a third-party implementation here:

    http://php-java-bridge.sourceforge.net/

    本回答被题主选为最佳回答 , 对您是否有帮助呢?
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