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Re: Stars! Nova 0.4.0 (developmental) Release

Sun, 27 June 2010 14:58

sirgwain

Senior Chief Petty Officer

Messages: 86
Registered: March 2004
Location: Tucson

Daniel wrote on Fri, 25 June 2010 18:41

Thanks sirgwain for the code. That is going to take some time to digest.

If you need any help understanding the code let me know. I find python to be easily readable, but I've been using it for some time. I'm working on converting this chunk of code to java to do some performance testing. When I have that done I'll post it here as well. Java is a lot closer to C# in syntax so you might be able to just cut and paste it, depending on how your Race class defines its properties.

-Craig

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Re: Stars! Nova 0.4.0 (developmental) Release

Sun, 27 June 2010 15:13

m.a@stars

Commander

Messages: 2765
Registered: October 2004
Location: Third star to the left

sirgwain wrote on Sun, 27 June 2010 20:55

Do you have a link to the constB code? I remember looking around for code and the best I could find was the flash race wizard.

It's actually one of the pointers I wrote about:

ConstB wrote on Tue, 15 March 2005 16:04

race algo in c++ can be downloaded from http://constb.5u.com

Warning! raw C code in all its ugly glory! Rolling Eyes

Quote:

My post overwrote yours? I had some misquotes in there (I must have deleted a /quote accidentally).

Silly me, that's what must have happened. My post is still intact, way up there... Confused

So many Stars, so few Missiles!

In space no one can hear you scheme! Deal

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Re: Stars! Nova 0.4.0 (developmental) Release

Tue, 29 June 2010 22:02

sirgwain

Senior Chief Petty Officer

Messages: 86
Registered: March 2004
Location: Tucson

While converting the code from python to java, I checked it against the C code of constB and found some bugs.

The C code also has a different way of computing the advantage points from the habitability range. I think it's functionally the same, but it's the most complex part of the code so I'm not quite sure yet. As such, I would suggest using the C code or I can send you the required java files if you want something really easy to convert to C#.

-Craig

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Re: Stars! Nova 0.4.0 (developmental) Release

Wed, 30 June 2010 08:06

m.a@stars

Commander

Messages: 2765
Registered: October 2004
Location: Third star to the left

sirgwain wrote on Wed, 30 June 2010 04:02

I checked it against the C code of constB and found some bugs.

I guess those bugs were in the Python version? Sherlock

Quote:

The C code also has a different way of computing the advantage points from the habitability range. I think it's functionally the same, but it's the most complex part of the code so I'm not quite sure yet.

Any simpler, faster, or just easier to read version would be welcome! Rolling Eyes

So many Stars, so few Missiles!

In space no one can hear you scheme! Deal

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Re: Stars! Nova 0.4.0 (developmental) Release

Wed, 30 June 2010 13:09

sirgwain

Senior Chief Petty Officer

Messages: 86
Registered: March 2004
Location: Tucson

I've finished the Java version. It's taken from the C version. I think my decompiled flash version had some bugs, or my implementation of it did. I have unit tests for this code testing it against Humanoids, Humanoids with all Immune, Rabbitoids and Insectoids. I could do more but I got bored entering in all that data. Smile

Rather than posting the whole thing I put up a couple files on my website:

The RacePointsCalculator class. It has one static method that takes a Race class instance, and returns the advantage points for that race.
http://members.cox.net/ilovestars/racewizard/RacePointsCalcu lator.java

// the Race class, has the planet habitability calc
http://members.cox.net/ilovestars/racewizard/Race.java

// The Hab class, for storing planet and race habitability
http://members.cox.net/ilovestars/racewizard/Hab.java

// The ResearchCost class, used by the race
http://members.cox.net/ilovestars/racewizard/ResearchCost.ja va

// Finally the Consts class used to store constants, in this case just the starting points
http://members.cox.net/ilovestars/racewizard/Consts.java

I've peppered the code with comments, though it could probably use a "overview" type comment on the algorithm. I've also changed the code around a bit to make it more readable. The C version was full of int[3] arrays that I changed to Hab instances.

To convert it to C# you should just need a regex to convert get([A-Z]) to $1. Smile

Damn java and it's stupid get/set methods.

It's insanely faster than the Python version. I'm not sure how much of that was Python and how much was the algorithm. I know Python is pretty slow compared to a compiled language, but holy moly. Now I'm not sure if I need a Javascript version for the client or not. The idea of supporting two versions sounds not fun.

Anyway, let me know if you have any questions.

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