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Particle Problem

laifsjo

By laifsjo
in Modder Support

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laifsjo Stone Miner

laifsjo

Posted
Posted

Hello guys, i made a new particle in minecraft, and sometimes when i spawn it in the world using ModLoader.getMinecraftInstance().effectRenderer.addEffect(particleClass); it crashes, sometimes it works fine, but most of the time it crashes. this is the error i get:

2012-10-11 14:44:02 [iNFO] [sTDERR] java.util.ConcurrentModificationException
2012-10-11 14:44:02 [iNFO] [sTDERR] 	at java.util.ArrayList$Itr.checkForComodification(Unknown Source)
2012-10-11 14:44:02 [iNFO] [sTDERR] 	at java.util.ArrayList$Itr.next(Unknown Source)
2012-10-11 14:44:02 [iNFO] [sTDERR] 	at net.minecraft.src.Entity.moveEntity(Entity.java:680)
2012-10-11 14:44:02 [iNFO] [sTDERR] 	at MethyrClient.ParticleHD5.onUpdate(ParticleHD5.java:97)
2012-10-11 14:44:02 [iNFO] [sTDERR] 	at net.minecraft.src.EffectRenderer.updateEffects(EffectRenderer.java:67)
2012-10-11 14:44:02 [iNFO] [sTDERR] 	at net.minecraft.client.Minecraft.runTick(Minecraft.java:1800)
2012-10-11 14:44:02 [iNFO] [sTDERR] 	at net.minecraft.client.Minecraft.runGameLoop(Minecraft.java:843)
2012-10-11 14:44:02 [iNFO] [sTDERR] 	at net.minecraft.client.Minecraft.run(Minecraft.java:773)
2012-10-11 14:44:02 [iNFO] [sTDERR] 	at java.lang.Thread.run(Unknown Source)
2012-10-11 14:44:12 [iNFO] [sTDOUT] Stopping!

could somebody help me out?

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SanAndreaP World Shaper

SanAndreaP

Posted
Posted

Make sure you're spawning particles only with the client thread! If you have to call this in the server thread (e.g. if the method is only executing on a server), then use packets to handle particle spawning.

To check if it's client side, check if world.isRemote == true.

 

BTW: Use Minecraft.getMinecraft() instead of ModLoader.getMinecraftInstance().

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This thread makes me sad because people just post copy-paste-ready code when it's obvious that the OP has little to no programming experience. This is not how learning works.

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laifsjo Stone Miner

laifsjo

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well, i am already using the (world.isRemote) method, i'll try the minecraft thing but my package is in minecraft.common. maybe that's wrong? could you tell me which classes should be client sided and which classes should be server sided? because i also have a client sided package for rendering stuff like the particles

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laifsjo Stone Miner

laifsjo

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nope that doesn't work either, i even get another error...:

2012-10-11 16:21:21 [iNFO] [sTDERR] java.util.ConcurrentModificationException
2012-10-11 16:21:21 [iNFO] [sTDERR] 	at java.util.ArrayList$Itr.checkForComodification(Unknown Source)
2012-10-11 16:21:21 [iNFO] [sTDERR] 	at java.util.ArrayList$Itr.next(Unknown Source)
2012-10-11 16:21:21 [iNFO] [sTDERR] 	at net.minecraft.src.Entity.moveEntity(Entity.java:680)
2012-10-11 16:21:21 [iNFO] [sTDERR] 	at net.minecraft.src.EntityLiving.moveEntityWithHeading(EntityLiving.java:1356)
2012-10-11 16:21:21 [iNFO] [sTDERR] 	at net.minecraft.src.EntityLiving.onLivingUpdate(EntityLiving.java:1578)
2012-10-11 16:21:21 [iNFO] [sTDERR] 	at net.minecraft.src.EntityAgeable.onLivingUpdate(EntityAgeable.java:59)
2012-10-11 16:21:21 [iNFO] [sTDERR] 	at net.minecraft.src.EntityAnimal.onLivingUpdate(EntityAnimal.java:40)
2012-10-11 16:21:21 [iNFO] [sTDERR] 	at net.minecraft.src.EntityLiving.onUpdate(EntityLiving.java:692)
2012-10-11 16:21:21 [iNFO] [sTDERR] 	at net.minecraft.src.World.updateEntityWithOptionalForce(World.java:2033)
2012-10-11 16:21:21 [iNFO] [sTDERR] 	at net.minecraft.src.WorldServer.updateEntityWithOptionalForce(WorldServer.java:538)
2012-10-11 16:21:21 [iNFO] [sTDERR] 	at net.minecraft.src.World.updateEntity(World.java:1998)
2012-10-11 16:21:21 [iNFO] [sTDERR] 	at net.minecraft.src.World.updateEntities(World.java:1879)
2012-10-11 16:21:21 [iNFO] [sTDERR] 	at net.minecraft.src.WorldServer.updateEntities(WorldServer.java:437)
2012-10-11 16:21:21 [iNFO] [sTDERR] 	at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:629)
2012-10-11 16:21:21 [iNFO] [sTDERR] 	at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:560)
2012-10-11 16:21:21 [iNFO] [sTDERR] 	at net.minecraft.src.IntegratedServer.tick(IntegratedServer.java:107)
2012-10-11 16:21:21 [iNFO] [sTDERR] 	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:466)
2012-10-11 16:21:21 [iNFO] [sTDERR] 	at net.minecraft.src.ThreadServerApplication.run(ThreadServerApplication.java:18)

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battlefield Tree Puncher

battlefield

Posted
Posted

I use such system like minecraft uses, only that it's customized

 

addEffect(ClientProxy) - https://github.com/batlefield/Zoocraftia/blob/master/source/minecraft/net/zoocraftia/dimension/client/ClientProxy.java#L149

addEffect(CommonProxy) - https://github.com/batlefield/Zoocraftia/blob/master/source/common/net/zoocraftia/dimension/CommonProxy.java#L106

particleEntity - https://github.com/batlefield/Zoocraftia/blob/master/source/minecraft/net/zoocraftia/dimension/client/EntityPortalFX.java

 

addEffect call in my portal class - https://github.com/batlefield/Zoocraftia/blob/master/source/common/net/zoocraftia/dimension/BlockPortal.java#L219

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