[UnSolved] Custom entity "ticking entity" problem

I am messing around with creating mobs with custom behaviors and right now all I'm trying to do is to create a villager that looks like a creeper. I have my custom mob class set up as basic as I can get it and I have the network id of the mob set to that of a creeper in my onEnable() method but when I try to spawn it my client crashes saying: "Minecraft has stopped running because it encountered a problem; Ticking entity" and the crash report doesn't give any more information. It even says that there were no suspicious class found. I've gotten it to work with other network id's like the enderdragon, wither, skeleton, giant, and snow golem but it wouldn't work for the creeper, spider, zombie, or slime. (I didn't try every id) Anyone know a way to fix this?

My current code is:
int my onEnable()

Code:

try
{
    @SuppressWarnings("rawtypes")
    Class[] args = new Class[3];
    args[0] = Class.class;
    args[1] = String.class;
    args[2] = int.class;
 
    Method a = net.minecraft.server.v1_4_6.EntityTypes.class.getDeclaredMethod("a", args);
    a.setAccessible(true);
    a.invoke(a, CreeperVillager.class, "Villager", 50);
}
catch (Exception e)
{
    e.printStackTrace();
    this.setEnabled(false);
}

My custom villager class:

Code:

public class CreeperVillager extends EntityVillager
{
    public CreeperVillager (World w)
    {
        super(w);
    }
}

 

Try loading the plugin before the world

 

What do you mean by that?

 

as loading chunks somewhere got async (not sure if that version was already used and you are using that version) it might be that it is causing errors

 

I'm still not quite sure by what you mean by loading the plugin before the world

 

Like in your plugin.yml:

Code:

load: STARTUP

 

Now it's throwing an IndexOutOfBoundsException when my server starts up and then when I try to spawn the entity it says there is an "Exception in world tick" instead of "Ticking entity"

I think the IndexOutOfBoundsException is because I'm trying to load worlds in my onEnable()

 

Might it be that this error is thrown by another piece of code/another plugin? As there is not very logical if this would throw the error

 

I tried taking all of my plugins out and making a separate plugin just for testing this and I still get the same errors.

EDIT: maybe Jacek could help

 

How are you spawning it ? You need to prevent the game spawning the default version of the mob or it creates an invalid state where two entities have the same ID.

 

I'm using a command to spawn one like this:

Code:

Player p = (Player)sender;
Block b = p.getTargetBlock(null, 5);
net.minecraft.server.v1_4_6.World w = ((CraftWorld)b.getWorld()).getHandle();
CreeperVillager cv = new CreeperVillager(w);
cv.setPosition(b.getX() + .5, b.getY() + 1.5, b.getZ() + .5);
w.addEntity(cv, SpawnReason.CUSTOM);

 

Okay well that looks fine. The issue will probably be that a normal villager is spawning somewhere and the server sends the wrong ID to the client. you can spawn a custom mob without replacing every one on the server just fine so try removing the code from the first block you posted (the EntityTypes list modification) and see if it still happens.

 

I'm guessing that I probably misunderstood what you meant but I commented out the entire try/catch block at the top and it gave me an "exception in world tick" error in my client.

 

That is exactly what I meant to do It could be that you are not calling the .bG() method (I think this is something like initialiseEntity(), it gets called each time an entity is created). Try doing that just before you set it's position.

 

I still get the same errors I got beforehand

 

I'm out of ideas then

 

ok, thanks for the help anyways.

anyone think they know how to fix this?

EDIT by Moderator: merged posts, please use the edit button instead of double posting.

 

Someone just reported this issue for BloodMoon too, have a look in the crash-report folder, the one they uploaded had a very helpful stack trace

 

Unfortunately I doubt it's the same problem. My problem didn't give a stack trace just a useless client crash text document. Also when I change it from EntityVillager to EntityCreeper and try the creeper id it works fine. Same with a zombie

 

Jogy34 it might be good to post that 'useless' text document anyway, as it holds the stacktrace

 

Sorry I was tired and slightly frustrated with something else when I wrote that but it still isn't much help:

Code:

---- Minecraft Crash Report ----
// Hey, that tickles! Hehehe!
 
Time: 12/31/12 12:04 PM
Description: Ticking entity
 
java.lang.ClassCastException: java.lang.Integer cannot be cast to java.lang.Byte
at mj.a(SourceFile:88)
at qc.o(SourceFile:150)
at qc.j_(SourceFile:92)
at yc.a(SourceFile:1319)
at yc.g(SourceFile:1297)
at yc.h(SourceFile:1196)
at net.minecraft.client.Minecraft.l(SourceFile:1326)
at net.minecraft.client.Minecraft.J(SourceFile:582)
at net.minecraft.client.Minecraft.run(SourceFile:534)
at java.lang.Thread.run(Unknown Source)
 
 
A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------
 
-- Head --
Stacktrace:
at mj.a(SourceFile:88)
at qc.o(SourceFile:150)
at qc.j_(SourceFile:92)
at yc.a(SourceFile:1319)
at yc.g(SourceFile:1297)
 
-- Entity being ticked --
Details:
Entity Type: Creeper (qc)
Entity ID: 234
Name: Creeper
Exact location: -82.50, 92.50, -320.50
Block location: World: (-83,92,-321), Chunk: (at 13,5,15 in -6,-21; contains blocks -96,0,-336 to -81,255,-321), Region: (-1,-1; contains chunks -32,-32 to -1,-1, blocks -512,0,-512 to -1,255,-1)
Momentum: 0.00, 0.00, 0.00
Stacktrace:
at yc.h(SourceFile:1196)
 
-- Affected level --
Details:
Level name: MpServer
All players: 1 total; [ays['Jogy34'/233, l='MpServer', x=-82.65, y=95.62, z=-321.94]]
Chunk stats: MultiplayerChunkCache: 441
Level seed: 0
Level generator: ID 00 - default, ver 1. Features enabled: false
Level generator options: 
Level spawn location: World: (-36,64,-132), Chunk: (at 12,4,12 in -3,-9; contains blocks -48,0,-144 to -33,255,-129), Region: (-1,-1; contains chunks -32,-32 to -1,-1, blocks -512,0,-512 to -1,255,-1)
Level time: 4192 game time, 16667 day time
Level dimension: 0
Level storage version: 0x00000 - Unknown?
Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false)
Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: false
Forced entities: 2 total; [ays['Jogy34'/233, l='MpServer', x=-82.65, y=95.62, z=-321.94], qc['Creeper'/234, l='MpServer', x=-82.50, y=92.50, z=-320.50]]
Retry entities: 0 total; []
Stacktrace:
at ayp.a(SourceFile:281)
at net.minecraft.client.Minecraft.b(SourceFile:1871)
at net.minecraft.client.Minecraft.run(SourceFile:543)
at java.lang.Thread.run(Unknown Source)
 
-- System Details --
Details:
Minecraft Version: 1.4.6
Operating System: Windows 7 (amd64) version 6.1
Java Version: 1.7.0_10, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 415119912 bytes (395 MB) / 514523136 bytes (490 MB) up to 954466304 bytes (910 MB)
JVM Flags: 2 total; -Xms512m -Xmx1024m
AABB Pool Size: 9635 (539560 bytes; 0 MB) allocated, 16 (896 bytes; 0 MB) used
Suspicious classes: No suspicious classes found.
IntCache: cache: 0, tcache: 0, allocated: 3, tallocated: 63
LWJGL: 2.4.2
OpenGL: Intel(R) HD Graphics 4000 GL version 3.3.0 - Build 8.15.10.2712, Intel
Is Modded: Probably not. Jar signature remains and client brand is untouched.
Type: Client (map_client.txt)
Texture Pack: Default
Profiler Position: N/A (disabled)
Vec3 Pool Size: 3910 (218960 bytes; 0 MB) allocated, 25 (1400 bytes; 0 MB) used

 

Code:

java.lang.Integer cannot be cast to java.lang.Byte

not helpful ? I think this is rather helpful

 

Nope not helpful

Code:

at mj.a(SourceFile:88)
at qc.o(SourceFile:150)
at qc.j_(SourceFile:92)
at yc.a(SourceFile:1319)
at yc.g(SourceFile:1297)
at yc.h(SourceFile:1196)
at net.minecraft.client.Minecraft.l(SourceFile:1326)
at net.minecraft.client.Minecraft.J(SourceFile:582)
at net.minecraft.client.Minecraft.run(SourceFile:534)
at java.lang.Thread.run(Unknown Source)

As there is nothing I can do about that. The only thing I changed was a single number and I made it bigger by 1 and it worked then one more and I got this same error then bigger by 66 and it worked again. Also that is in the client not the server.

 

What is the full code of CreeperVillager?

 

That was the full code. I have the class declaration that extends EntityVillager and then the constructor that calls the super constructor. It works if I replace the id of a creeper with a skeleton, a villager, ender dragon, wither and a few others but not with a zombie a slime or a few others so I'm guess it has something to do with how the different entities are set up

 

Might it be that NBT data is missing, and it fails to catch this on the render. (or something of the sorts)

 

I don't really know if I could do anything about that as when retrieving the NBT data from the entity only the information is passed not the actual compound and when setting the information it only takes the data for the type of entity it is so in this case it would only take in the needed stuff for a villager even if I passed in the information for a creeper or a zombie.

Anyone have any other suggestions?

EDIT by Moderator: merged posts, please use the edit button instead of double posting.

 

Anyone? I really want to get this fixed.

 

just for the sake of it, try setting all the NBT tags available (like you did in the spawner code a while ago)

 

I tried that before when you suggested that is might be because of NBTTags. I set all of the creeper fields and even tried creating an EntityCreeper then getting the NBTTag data from that and then setting that to the villager but nothing changed. When retrieving or setting the NBTTagCompound of an Entity there isn't any way to get the actual compound. When retrieving you send in your own compound and this is get's filled with that entity's info and then when setting you send in a compound and then the information specific to that entity is pulled out. So or a villager there isn't any way, to my knowledge, to set the specific fields of another entity.