> I read that the scope each script is determined by the thread where
> you obtained the Context in. So if I want to make two different
> virtual environments (one for cut-scenes, one for AI), I have to do it
> in different threads?? That doesn't really make sense for what I'm
> doing. I wish that scopes were determined by some sort of object key
> instead of threads.
It sounds like the "environment" you are talking about is the variable
scope. Scripts that share scope objects share javascript variables.
/* code */
Scriptable applicationHooks; // this is your "application_hooks",
defined elsewhere
Scriptable sceneA;
Scriptable logicA;
Script updateSceneA;
Script updateLogicA;
void setup() {
Context cx = Context.enter();
cx.evaluateString(setupCodeSceneA, sceneA, "setupSceneA.js", 1,
null);
cx.evaluateString(setupCodeLogicA, logicA, "setupLogicA.js", 1,
null);
/* this configuration makes variables on applicationHooks visible,
but places new properties on sceneA */
sceneA = cx.newObject(applicationHooks);
sceneA.setPrototype(applicationHooks);
sceneA.setParentScope(null);
logicA = cx.newObject(applicationHooks);
logicA.setPrototype(applicationHooks);
logicA.setParentScope(null);
updateSceneA = cx.compileString(updateCodeSceneA,
"updateSceneA.js", 1, null);
updateLogicA = cx.compileString(updateCodeLogicA,
"updateLogicA.js", 1, null);
cx.exit();
}
void update() {
Context cx = Context.enter();
updateSceneA.exec(cx, sceneA);
updateLogicA.exec(cx, logicA);
cx.exit();
}
/* endcode */
For more information, check out http://www.mozilla.org/rhino/scopes.html.
- Vinny
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