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1  Discussions / General Discussions / Re: Which J2EE 5 book do you recommend? on: 2007-11-13 05:11:18
I understand now that this topic was better suited for the Off Topic forum. If an admin reads this, please delete this thread. Sorry for the inconvenience , I mixed the two forums up.
2  Discussions / Miscellaneous Topics / Java EE 5 books? on: 2007-11-13 05:09:45

There doesn't seem to be many (good) Java EE 5 books out there. For example Beginning Java EE 5: From novice to professional is said to be based on a premature version of Java EE 5 which led to chapter 9 being incorrect. I'm in desperate need of a book which covers EJB, Persistence and Web Services which being fairly readable. What would you recommend?
3  Discussions / General Discussions / Which J2EE 5 book do you recommend? on: 2007-11-08 16:10:59

I know J2SE 1.4 well and most of the J2SE 1.5 stuff. I'm beginning a work after next week, and need to get the grips with J2EE 5 as well as possible within the time frame. The major work within the J2EE 5 platform will be to create a new system with web services. So if time is of the essence, I'll prioritize that part.

I've looked briefly at Sun's J2EE 5 tutorial, it seems all right, but I've also heard lots of different opinions. As I respect the members of this forum I think it's the best place to turn. And being that you develop games in Java by night, there is quite a high chance that you work with some "serious" Java stuff by daytime.

Thanks for your time reading my post. If you're able to give me a tip or two I'll be very glad.

Best regards,
4  Games Center / 4K Game Competition - 2007 / Re: Procedurally Generated Graphics on: 2006-10-14 00:43:42
The colorization of the tiles and the animated "sun balls" in my Sokoban4k game were all created using calculations. I just messed around until I thought it looked good enough. The code is very hackish but perhaps it could give you some idea of your own.

Using perlin noise for interpolations could be a good thing. It could also look no different from having a normal random value added to the interpolation. It will take up more space than to use a normal random value, so you'll have to look at the tradeoff.

Contextfreeart (check out the gallery) is an excellent example of procedural graphics. It shouldn't take up too much space to implement some variant on the theme in a game which could fit into 4k. It could for example be used to create different enemies in a game, or different landscape pictues, or ...
5  Discussions / Miscellaneous Topics / Creating a FSA-design program. Should I go for Swing or SWT? on: 2006-09-28 17:57:21

I'm planning to create an application to handle Finite State Automatas.

For this I'll have to create my own widget where in the actual automatas reside. This widget will hold:
  • Nodes. Circles which holds text inside.
  • Edges. An edge is a line connecting two nodes with a text describing the transition. The line may be a straight line or a bézier curve.
And you will be able to handle the widget contents using the following actions:
  • Create a node.
  • Delete a node.
  • Create an edge.
  • Delete an edge.
  • Change the text of a node/edge.
  • Drag a node to a new position.
  • Change an edge between being a straight line <=>bézier curve.
  • Change the curve of a bézier curve edge. By dragging the two control points.
  • Bring a node/edge forward. Puts the node/edge on layer forward.
  • Bring a node/edge back. Puts the node/edge on layer forward.
  • Bring a node/edge to front. Puts the node/edge on topmost layer.
  • Bring a node/edge to back. Puts the node/edge on bottommost layer.
  • Set/Unset a node as the start node. Marked by an arrow pointing at the node.
  • Set/Unset a node as an accepting state. The node will be drawn using double lines.

To see what it could look like I've attached a picture (which I in turn have snitched. It's just an example). In the attached picture the circles with LR_x are Nodes and the lines with text like SS(B) and S(a) are Edges.

Now to my questions:
  • Do you think that I should go for Swing or SWT? Which one would result in the "best" program? (I know "best" is subjective) And which one would result in the easiest development? I am leaning towards SWT as I suspect it will give me a more responsive GUI with native look and feel. As long as I can publish my program for Windows, Linux and MacOS I'm satisfied.
  • Have you got any advice/tips which could be useful for me during the devlopment? (And if so, care to share?  Wink )
  • What do you think will be the hardest part of creating my widget?

Thank you for your time! I'll appreciate all helping efforts!
6  Discussions / Miscellaneous Topics / Lets swap nice feed-links on: 2006-09-28 17:29:00
Let us share our OPML-files (or plain feed addresses) for the feeds we find interesting to follow.

Why do I want to do this? I rather read nice blog/news articles (preferably related to computers/development) than read about the latest episode of Big Brother in my local newspaper. And the blogs I do follow aren't updated often enough to fulfill my needs.

Posting OPML-files is optional of course, perhaps you rather just point us to the feeds you like. I find OPML-files to be convenient though. If you don't use a feed reader which can import OPML-files then you can just open the file up in a text editor as it's XML-based.

Personally I'm interested in anything which is related to "Development", Programming, Indy Games, Game Design, Dilbert, The Far Side, Ballard Street and probably a lot of other stuff. Smiley

Keep'em coming!

I've attached the OPML-file for the feeds I've grouped together as "Development" in RSSOwl (which is an excellent feed-reader by the way). The suffix was changed to txt instead of opml.
7  Games Center / 4K Game Competition - 2006 / Re: A Proposal For A New Rating System on: 2006-03-28 18:12:19
I would like more judges though. And it's not a good thing for a judge to write "ok" as a comment to 1/3 of the games, being a judge he got to have something more constructive to say. And why limit them to max two sentences? 4-5 is a better max, and 2 might be a minimum.
8  Games Center / 4K Game Competition - 2006 / Re: And the winner is ... on: 2006-03-15 16:16:22
I agree about the suggestion to have the judges place the games in an order for next year and skip the "give a score between x and y to each game" method. Anyway, as I said before; nice contest.

Also, will Java 1.5 be allowed next year? (So that I can start creating stuff.)
9  Games Center / 4K Game Competition - 2006 / Re: And the winner is ... on: 2006-03-13 12:16:32
Thanks! A bit more constructive comment than "ok" would have been nice from one of the judges, or perhaps that was constructive? Congratulations to the winners, I don't agree with certain games ratings but in general they seem all right. Thanks to the judges, I had fun, see you next year.
10  Games Center / 4K Game Competition - 2006 / Re: big brother is watching on: 2006-03-13 00:10:35
It would be extremely cool if the winners were announces (with motivation) on an cermonly set out on the IRC at a certain time. So that we all could be there live. :-) Just an idea, I'm sure it's unpossible (in the words of Ralph). Smiley
11  Games Center / 4K Game Competition - 2006 / Re: Chosen Judges on: 2006-03-12 14:37:45
Try to contact woogley through a PM or ICQ. If you really have played all the games enough to judge them I think it would be a sad thing to loose your contribution. Malohkan still has 1 more game to judge so if you are ready to vote for them all you aren't even last to finish.
12  Games Center / 4K Game Competition - 2006 / Re: big brother is watching on: 2006-03-11 18:33:38
Wow 95% complete! Go Malohkan and tim! Will the results become available immediately?
13  Games Center / 4K Game Competition - 2006 / Re: big brother is watching on: 2006-03-09 22:03:22
He might have downloaded all the games and creates the scores in an Excel sheet or something before uploading them. But it would be a good thing check out if there is any doubt.
14  Games Center / 4K Game Competition - 2006 / Re: big brother is watching on: 2006-03-08 00:21:32
Logically, wouldn't the "big brothers" be the judges? If that's true it's the little brothers who are  watching.. eh..  Tongue
15  Games Center / 4K Game Competition - 2006 / Re: Java Rally Racer 4k on: 2006-03-04 01:03:26
It's a nice game, some slippery roads would have been nice. Also the penalty for driving on the grass isn't high enough (sometimes I can take shortcuts which I shouldn't be allowed to). That said, it's impressive work as usual when it's coming from you!
16  Games Center / 4K Game Competition - 2006 / Re: Java Rally Racer 4k on: 2006-03-01 04:37:26
Nothing happens when I press the UP arrow (or any other control key), it's just a static picture for me.
17  Games Center / 4K Game Competition - 2006 / Re: 50! on: 2006-02-25 12:48:58
Soon it'll all be but a memory. Cry
18  Games Center / 4K Game Competition - 2006 / Re: Gravitator4K on: 2006-02-23 12:19:54
The idea with color codes sounds nice. I think the goal circle for the particles should never be smaller than an emitter, but it's just me (it's hard to tell where it is sometimes).
19  Games Center / 4K Game Competition - 2006 / Re: Gravitator4K on: 2006-02-22 22:38:17
Cool game, but if I run it through JWS using Java 1.5 Update 2 on Windows XP (latest SP and patches) I can't see the bottom of the window as intended: Example

Apart from that little flaw it's nice. I just poked around with exactly that sort of physics for a 2D planet simulation. Smiley
20  Games Center / 4K Game Competition - 2006 / Re: Web host for 4k entries? on: 2006-02-22 00:30:59
There are hosts who give you PHP (or another server side language, Perl or ASP comes to mind). I use this:
//AddType application/x-java-jnlp-file    .jnlp
//AddType application/x-java-archive-diff .jardiff

header("Content-type: application/x-java-jnlp-file");
print("<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
<jnlp spec="1.0+" codebase="" href="Sokoban4k.jar">
    <vendor>Kent Larsson</vendor>
    <homepage href="" />
    <description>A Sokoban clone with 95 levels called Sokoban4k. You control the red circle using the arrow keys. Restart current level using R and skip to next level using N. The goal of the game is to push all suns into the marked floor squares on every level. Enjoy!</description>
    <offline-allowed />
    <j2se version="1.4.2+" />
    <jar href="Sokoban4k.jar" />
// Only if the JAR-file is signed.
//  <security>
//    <all-permissions />
//  </security>
  <application-desc main-class="H" />

Use it if you like, I might have taken it from someone else as well. (Can't remember.) Smiley
21  Games Center / 4K Game Competition - 2006 / Re: LunaBug 4K on: 2006-02-22 00:26:33
Cool game, altough a tad bit to easy. I came to level 10 on the first try before I closed it down manually (who knows how long I would have come).
22  Games Center / 4K Game Competition - 2006 / Re: JUDGES! on: 2006-02-19 18:17:29
To keep it simple why not let the judges give each game one score, but supply a little written comment. It would be nice I think, I'm not thinking about something complex at all. In fact any system will be nice, it seems hard to get any judges at all. Smiley
23  Games Center / 4K Game Competition - 2006 / Re: JUDGES! on: 2006-02-18 23:39:01
I would be surprised if we really felt that different about this, I guess it was clear the comparison to monkeys was made in a humorus context? Anyway, let me rephrase myself; I think that the focus should indeed be on gameplay, but I don't want to skip the technical achivement all together. Which is why I think that the judges should have some technical ability, they don't have to be experts though.

Of course I understand that deciding on what's "techinically hard" is also very complicated, if you know an algorithm which you can fit in 4k when should it be considered technically hard? Still I think that it would be a pitty if we entierly lost the technical aspect, as I find some games to be quite poor when it comes to gameplay but still feel that the technical achievement should be acknowledged.

By the way things look I guess we should be glad to have any judges at all. I'm still positive that contestants could be judges as well and that they shouldn't be allowed to vote for their own game. Sure statistics could get skewed. I still have a hard time imagining someone who would try to give their own game a push forward using some kind of strategical voting, perhaps I'm not taking it seriously enough (I'm in the contest purely for my enjoyment).
24  Games Center / 4K Game Competition - 2006 / Re: JUDGES! on: 2006-02-18 21:17:10
Have lots of judges (10 perhaps) all of which have technical knowledge and know Java. Let them vote on the games based on a number of categories and don't give them any restrictions/guidance what so ever about how to place their votes. I think that it will solve itself then. Having Joe average user as a judge is a bad idea, it's not much better than having monkeys doing random votes if you ask me. Wink

Edit:  More seriously and to clairify my post, the best judge is someone who can apperciate both the gameplay value and the technical achievement of the games. And if we are just going to have a few judges I think all should have both of these qualities.
25  Games Center / 4K Game Competition - 2006 / Re: 7zip on: 2006-02-18 01:31:00
Yours works. I've attached some of the files that don't work. See if they work on your machine.
Its odd that my version works since we seem to be using the same version of KZip (maybe the compile time wasn't changed between two updates, highly unlikely as it's most certainly automated but anyway). I'm at my girlfriend now, but should I take my JAR-version of your game away tomorrow when I get home? (Just say the word and it's gone.) Smiley

Both of your versions of Xero works fine on her old computer. altough I did only play each version for about 2 minutes. She has Windows XP SP2 all patches and Sun J2RE 1.4.1. Are you sure it's not related to your computer setup somewhat?
26  Games Center / 4K Game Competition - 2006 / Re: 7zip on: 2006-02-17 04:05:56
Not that it should matter, but does the JAR I compressed with KZip crash as well? Temporary Xero.jar (I'll take it away when you want to [after your next reply] just thought you might like to try it.)
27  Games Center / 4K Game Competition - 2006 / Re: Lode Runner 4K on: 2006-02-17 02:11:35
I think that he meant the place where you have to dig through two layers of ground to get to the gold, don't you? (And if you do, did I explain it clearly enough?)
28  Games Center / 4K Game Competition - 2006 / Re: 7zip on: 2006-02-17 02:10:08
. I was able to reproduce your results on Windows, but the resulting JAR file crashes the JVM. The source JAR file works fine, so I'm not sure what that's all about.
It works great for me, I've only played it for about 10 minutes though (the repackaged JAR I created).
The windows version can hit 3,910 bytes with "kzip /r /b128 Xero.jar *.*".
Is this the version you were using when it crashes the JVM?

When does it crash the JVM? I use Windows XP Pro SP2 with all patches and JVM 1.5 from Sun.
29  Games Center / 4K Game Competition - 2006 / Re: 7zip on: 2006-02-16 22:08:55
If I just type KZip I see that my version is compiled Nov 23 2005, I guess it's the same version as you use but then agai perhaps it isn't?. What I did was simply to extract the zip-file to an empty dirextory using 7Zip. Then I issued the command (while inside that directory): kzip /r xero.jar *.*

And got xero.jar with size 3951 bytes. I am not doing anything "fancy" as you can see. I tried it again just now, same result (and the resulting xero.jar works).
30  Games Center / 4K Game Competition - 2006 / Re: Lode Runner 4K on: 2006-02-16 14:08:55
If you want to dig down two layers, first dig out 2 floor tiles on layer 1, and 1 on layer 2..
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