[1.15.2] [Solved] Game "freezes" when generating custom feature

Budschie · May 17, 2020

Hello! As the title suggests, I have a problem with structure generation using features.

The problem is following: Everytime my test structure should generate, the game "freezes" in a strange manner.

It is pretty much unresponsive to any input, but it doesn't say that it crashed either. I located the problem in this file:

https://github.com/Budschie/Deepnether-Mod/blob/master/src/main/java/de/budschie/deepnether/worldgen/TestFeature.java#L46

Due to some debugging I know that code that comes after this won't execute.

To be a bit more precice: It freezes after this line:

https://github.com/Budschie/Deepnether-Mod/blob/master/src/main/java/de/budschie/deepnether/structures/StructureBase.java#L210

But I have no idea what causes this "crash".

Thanks for any help.

Shaunak · May 17, 2020

Try tweaking your settings to your computer needs

It worked for me

Budschie · May 17, 2020

@Shaunak I'm a bit confused. What do you mean with "tweaking your settings to your computer needs"?

Ugdhar · May 17, 2020

1 minute ago, Budschie said:

I'm a bit confused. What do you mean with "tweaking your settings to your computer needs"?

I'm pretty sure he's a mod user, not a mod maker, and doesn't really know what he's saying.

Budschie · May 17, 2020

I have no idea how I can fix this issue, please help.

Budschie · May 17, 2020

@diesieben07 That wouldn't work, because I have to add tile entities to that world, and an IWorld

won't provide me a method of doing that other than calling getWorld().setTileEntity(...).

Budschie · May 17, 2020

@diesieben07 But can I copy a tileentity information from one tileentity to another just using getTileEntity()?

Budschie · May 17, 2020

@diesieben07 I'm copying my blocks, tileentities etc. from a worldedit-like structure file and placing that into my world. The advantage is that I can easily built structures manually, without having to spend hours figuring out how to

generate a simple structure procedurally.

Budschie · May 17, 2020

@diesieben07

8 minutes ago, diesieben07 said:

Doesn't vanilla already have this system with the structure blocks? ?

It has a maximum of blocks that you can put into one structure.

7 minutes ago, diesieben07 said:

So I am not sure why you are "copying" things.

I have to set the tile entity because I create it using TileEntity.create(compound) when placing a structure.

Edited May 17, 2020 by Budschie

Budschie · May 17, 2020

@diesieben07 Ok, I'll try it. But why can't I use IWorld.getWorld()?

Budschie · May 17, 2020

@diesieben07 Thanks. But how should I handle tile entity placement?

Budschie · May 17, 2020

@diesieben07 Do flags in the setBlockState method affect tileentity placement? Because if I try to get the tile entity via IWorld.getTileEntity(...), it will return null.

Budschie · May 18, 2020

@diesieben07 When I get the tileentity my game crashes with following message:

"We are asking a region for a chunk out of bound | -15 -28"

Budschie · May 18, 2020

https://github.com/Budschie/Deepnether-Mod/blob/master/src/main/java/de/budschie/deepnether/worldgen/TestFeature.java

https://github.com/Budschie/Deepnether-Mod/blob/master/src/main/java/de/budschie/deepnether/structures/StructureBase.java

Budschie · May 18, 2020

Spoiler

java.util.concurrent.CompletionException: net.minecraft.crash.ReportedException: Feature placement
   at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_232] {}
   at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_232] {}
   at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:975) ~[?:1.8.0_232] {}
   at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:940) ~[?:1.8.0_232] {}
   at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:456) ~[?:1.8.0_232] {}
   at net.minecraft.world.chunk.ChunkTaskPriorityQueueSorter.lambda$null$1(ChunkTaskPriorityQueueSorter.java:44) ~[?:?] {re:classloading}
   at net.minecraft.util.concurrent.DelegatedTaskExecutor.driveOne(DelegatedTaskExecutor.java:83) ~[?:?] {re:classloading}
   at net.minecraft.util.concurrent.DelegatedTaskExecutor.driveWhile(DelegatedTaskExecutor.java:123) ~[?:?] {re:classloading}
   at net.minecraft.util.concurrent.DelegatedTaskExecutor.run(DelegatedTaskExecutor.java:91) ~[?:?] {re:classloading}
   at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_232] {}
   at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_232] {}
   at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_232] {}
   at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1692) ~[?:1.8.0_232] {}
   at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_232] {}
Caused by: net.minecraft.crash.ReportedException: Feature placement
   at net.minecraft.world.server.ChunkManager.lambda$null$18(ChunkManager.java:540) ~[?:?] {re:classloading}
   at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?] {}
   at net.minecraft.world.server.ChunkManager.lambda$func_223156_b$20(ChunkManager.java:527) ~[?:?] {re:classloading}
   at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:966) ~[?:1.8.0_232] {}
   ... 11 more
Caused by: java.lang.RuntimeException: We are asking a region for a chunk out of bound | -15 -28
   at net.minecraft.world.gen.WorldGenRegion.getChunk(WorldGenRegion.java:125) ~[?:?] {re:classloading}
   at net.minecraft.world.IWorldReader.getChunk(IWorldReader.java:105) ~[?:?] {re:classloading}
   at net.minecraft.world.gen.WorldGenRegion.getChunk(WorldGenRegion.java:97) ~[?:?] {re:classloading}
   at net.minecraft.world.IWorldReader.getChunk(IWorldReader.java:97) ~[?:?] {re:classloading}
   at net.minecraft.world.gen.WorldGenRegion.getTileEntity(WorldGenRegion.java:181) ~[?:?] {re:classloading}
   at de.budschie.deepnether.structures.StructureBase.place(StructureBase.java:259) ~[?:?] {re:classloading}
   at de.budschie.deepnether.worldgen.TestFeature.place(TestFeature.java:49) ~[?:?] {re:classloading}
   at net.minecraft.world.gen.feature.ConfiguredFeature.place(ConfiguredFeature.java:45) ~[?:?] {re:classloading}
   at net.minecraft.world.gen.placement.Placement.lambda$place$0(Placement.java:77) ~[?:?] {re:classloading}
   at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) ~[?:1.8.0_232] {}
   at java.util.stream.IntPipeline$4$1.accept(IntPipeline.java:250) ~[?:1.8.0_232] {}
   at java.util.stream.Streams$RangeIntSpliterator.forEachRemaining(Streams.java:110) ~[?:1.8.0_232] {}
   at java.util.Spliterator$OfInt.forEachRemaining(Spliterator.java:693) ~[?:1.8.0_232] {}
   at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:482) ~[?:1.8.0_232] {}
   at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:472) ~[?:1.8.0_232] {}
   at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) ~[?:1.8.0_232] {}
   at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) ~[?:1.8.0_232] {}
   at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[?:1.8.0_232] {}
   at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:485) ~[?:1.8.0_232] {}
   at net.minecraft.world.gen.placement.Placement.place(Placement.java:76) ~[?:?] {re:classloading}
   at net.minecraft.world.gen.placement.ConfiguredPlacement.place(ConfiguredPlacement.java:31) ~[?:?] {re:classloading}
   at net.minecraft.world.gen.feature.DecoratedFeature.place(DecoratedFeature.java:18) ~[?:?] {re:classloading}
   at net.minecraft.world.gen.feature.DecoratedFeature.place(DecoratedFeature.java:12) ~[?:?] {re:classloading}
   at net.minecraft.world.gen.feature.ConfiguredFeature.place(ConfiguredFeature.java:45) ~[?:?] {re:classloading}
   at net.minecraft.world.biome.Biome.decorate(Biome.java:294) ~[?:?] {re:classloading,pl:accesstransformer:B}
   at net.minecraft.world.gen.ChunkGenerator.decorate(ChunkGenerator.java:103) ~[?:?] {re:classloading}
   at net.minecraft.world.chunk.ChunkStatus.lambda$static$9(ChunkStatus.java:74) ~[?:?] {re:classloading,pl:accesstransformer:B}
   at net.minecraft.world.chunk.ChunkStatus.doGenerationWork(ChunkStatus.java:195) ~[?:?] {re:classloading,pl:accesstransformer:B}
   at net.minecraft.world.server.ChunkManager.lambda$null$18(ChunkManager.java:529) ~[?:?] {re:classloading}
   at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?] {}
   at net.minecraft.world.server.ChunkManager.lambda$func_223156_b$20(ChunkManager.java:527) ~[?:?] {re:classloading}
   at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:966) ~[?:1.8.0_232] {}
   ... 11 more

Budschie · May 18, 2020

Requested chunk : -15 -28

Region bounds : -16 -22 | 0 -6

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[1.15.2] [Solved] Game "freezes" when generating custom feature

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