Thread safety issues with LongHashMap replacement when looking at BlockRenderer preview

[wlhlm]

Your GTNH Discord Username

rw0lc3 (original reporter on Discord), rot13 (me)

Mod Version

2.5.79

Bug Report

(filing this on behalf of the player reporting it on Discord)

The game crashes with an ArrayIndexOutOfBoundsException in the fastutil library:

java.lang.ArrayIndexOutOfBoundsException: Index 61 out of bounds for length 33
    at it.unimi.dsi.fastutil.longs.Long2ObjectOpenHashMap.containsKey(Long2ObjectOpenHashMap.java:343)
    at com.mitchej123.hodgepodge.util.FastUtilLongHashMap.containsItem(FastUtilLongHashMap.java:30)
    at blockrenderer6343.api.utils.world.DummyChunkProvider.provideChunk(DummyChunkProvider.java:37)
    at net.minecraft.world.World.getChunkFromChunkCoords(World.java:419)
    at net.minecraft.world.World.getBlock(World.java:345)
    at blockrenderer6343.client.world.TrackedDummyWorld.getBlock(TrackedDummyWorld.java:87)
    at blockrenderer6343.client.renderer.WorldSceneRenderer.drawWorld(WorldSceneRenderer.java:281)
    at blockrenderer6343.client.renderer.WorldSceneRenderer.render(WorldSceneRenderer.java:143)
    at blockrenderer6343.integration.nei.GUI_MultiblockHandler.drawMultiblock(GUI_MultiblockHandler.java:434)
    at blockrenderer6343.integration.nei.MultiblockHandler.drawBackground(MultiblockHandler.java:54)
    at codechicken.nei.recipe.GuiRecipe.drawGuiContainerBackgroundLayer(GuiRecipe.java:1173)
    at net.minecraft.client.gui.inventory.GuiContainer.drawScreen(GuiContainer.java:78)
    at net.minecraft.client.renderer.EntityRenderer.updateCameraAndRender(EntityRenderer.java:1061)
    at net.minecraft.client.Minecraft.runGameLoop(Minecraft.java:1001)
    at net.minecraft.client.Minecraft.run(Minecraft.java:6110)
    at net.minecraft.client.main.Main.main(SourceFile:148)
    at jdk.internal.reflect.DirectMethodHandleAccessor.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at net.minecraft.launchwrapper.Launch.rfb$realLaunch(Launch.java:250)
    at net.minecraft.launchwrapper.Launch.launch(Launch.java:35)
    at net.minecraft.launchwrapper.Launch.main(Launch.java:60)
    at jdk.internal.reflect.DirectMethodHandleAccessor.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at com.gtnewhorizons.retrofuturabootstrap.Main.main(Main.java:207)
    at jdk.internal.reflect.DirectMethodHandleAccessor.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at org.multimc.onesix.OneSixLauncher.launchWithMainClass(OneSixLauncher.java:243)
    at org.multimc.onesix.OneSixLauncher.launch(OneSixLauncher.java:278)
    at org.multimc.EntryPoint.listen(EntryPoint.java:143)
    at org.multimc.EntryPoint.main(EntryPoint.java:34)

Full crashlog: crash-2024-11-26_23.04.37-client.txt

This seems to happen when inspecting the BlockRenderer multiblock preview.

Raven mentioned this is caused by thread unsafety in the hashmap implementation.

Original PR: #382

Java Version

Java 21

Mod List or GTNH Pack Version

GTNH 2.7-beta4

Final Checklist

• I have searched the issues and haven't found a similar issue.