[1.7.10] Crash on server start-up due to custom packets

[M4thG33k]

Greetings! I've received this crash report from someone who's been using my mod and I can't seem to pinpoint the actual source of the crash: http://pastebin.com/YQ91FgMM

 

From my understanding, the crash is happening when Forge is attempting to register my packet classes. The interesting thing is, this crash just recently appeared. I was fixing other bugs that were found, and then this crash crept in, which I find extremely odd. If there are any ideas as to what the problem could be (besides "you're attempting to use client-only classes on the server" since I can see that much), I would appreciate it.

 

Here's the line that I can trace back to from the crash report that is apparently causing the issue: https://goo.gl/fDL8OZ

 

Thanks in advance!

[M4thG33k]

Would it be possible for you to tell me which client-only classes I'm using? I know I'm using EntityFX in my code, but I thought that I was providing enough checks to make sure that all of that code is only being run on the client side. I suppose I'm still not fully understanding how packets are supposed to work (despite reading quite a few tutorials)...

[M4thG33k]

Ok, so is there a "proper way" to have the packet handler get a Minecraft world instance, then? I can't pass it in to the packet at all, but the packet should know what world it ends up in, right?

[Ernio]

Get world via proxy.

 

In Common:

public World getClientWorld() { return null; }

In Client:

public World getClientWorld() {return Minecraft.getMinecraft().theWorld; }

 

EDIT

Dammit, he was faster

[M4thG33k]

All right, thanks to both of you! This makes perfect sense (even before seeing Ernio's code haha). I will attempt to put this into practice soon. Thanks for the quick responses!