43 replies to this topic

[WizardStan]

It's mostly the graphics and the chunk generator. The procedural chunk generator is quite simply really really intensive, and generally the biggest source of slowdown I've seen. A solution is to write a program which runs it, generating a few thousand squares around the spawn point so you have room to explore so the Pandora itself never has to generate a chunk. The graphics are also fairly inefficient, simply in the order that things are drawn even: shouldn't be nearly as major an optimization as slaeshjag is making it out to be, it can simply be done as part of the rewrite that would be necessary to use OGLES.

[Pleng]

OK So I've downloaded the Java PND and run the install script. To run a java app I presume I need to 'java [locationoffile]/[filename]'?

Whenever I do that I get the following error java.lang.ClassNotFoundException: .path.to.file.ive.secefied.filename.jar
followed by a big chunk of stuff and a 'Could not find the main class. Program will exit' error.

[Pleng]

OK So I've downloaded the Java PND and run the install script. To run a java app I presume I need to 'java [locationoffile]/[filename]'?

Whenever I do that I get the following error java.lang.ClassNotFoundException: .path.to.file.ive.secefied.filename.jar
followed by a big chunk of stuff and a 'Could not find the main class. Program will exit' error.

[mcobit]

did you do "java -jar yourapp.jar" ?

[Pleng]

hmm well I just tries that and got a much shorter error message 'Failed to load Main-Class manifest attribute from.....'

I'm also getting the same results trying to run a class from my uni coursework, which isn't a jar file (ignore that - was using the file extension by mistake)

Edited by Pleng, 01 December 2010 - 03:08 PM.

[mcobit]

hmm well I just tries that and got a much shorter error message 'Failed to load Main-Class manifest attribute from.....'

Then you have a phone program or something, not a complete java program. phoneprograms need j2me not jre

Edited by mcobit, 01 December 2010 - 02:54 PM.

[Tor]

Is there any possibility for a Java applet plug-in for Firefox? That's the only thing I really need Java for.. every bank in my country is using a java applet for their common log-in system.

Edited by Tor, 03 December 2010 - 01:04 PM.

[WizardStan]

That's part of the reason I'm still considering this an alpha release

[Leesam]

Can i install this to an SD card? I don't have all that much space left in NAND (30ish megs).


Edit: Read the first post over sounds like the majority of the package stays in the pnd location

Edited by Leesam, 15 December 2010 - 07:16 PM.

[WizardStan]

Yeah, the "install" is just a few hundred byte script that opens the PND on the SD card when you run "java" from the command line.
Mental note, get off my lazy butt and finish this.

[fettouhi]

Is possible to make the java webplugin?

[numidark]

This Java release for Pandora working properly ? It's JRE ? Thank

[sebt3]

This Java release for Pandora working properly ? It's JRE ? Thank

yes. yes

[WizardStan]

Just recently updated it to work with HotFix 6 (some changes to the run_pnd script prevented the install from behaving properly) and uploaded it to the repo for easier access.