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[1.14.4] Strange Particle Crash

Posted November 6, 20195 yr

Hello Guys!

Inside a Living Update Event, I had the following code:

if (ConfigValues.truesight.get() && entity.getActivePotionEffect(Effects.INVISIBILITY) != null) {
    AxisAlignedBB bb = entity.getBoundingBox();

    Minecraft.getInstance().particles.addParticle(ParticleTypes.FLAME, bb.minX, bb.minY, bb.minZ, 0, 0, bb.getZSize() / 20.0);
    Minecraft.getInstance().particles.addParticle(ParticleTypes.FLAME, bb.minX, bb.minY, bb.minZ, bb.getXSize() / 20.0, 0, 0);
    Minecraft.getInstance().particles.addParticle(ParticleTypes.FLAME, bb.minX, bb.minY, bb.minZ, 0, bb.getYSize() / 20.0, 0);
    Minecraft.getInstance().particles.addParticle(ParticleTypes.FLAME, bb.maxX, bb.maxY, bb.maxZ, 0, -bb.getYSize() / 20.0, 0);
    Minecraft.getInstance().particles.addParticle(ParticleTypes.FLAME, bb.maxX, bb.maxY, bb.maxZ, -bb.getXSize() / 20.0, 0, 0);
    Minecraft.getInstance().particles.addParticle(ParticleTypes.FLAME, bb.maxX, bb.maxY, bb.maxZ, 0, 0, -bb.getZSize() / 20.0);


}

This code basically creates a flame hitbox around entities with the invisibility effect. The code worked fine until I closed the game and reopened the game. Upon re-opening the world, I recieved the followed crash and have no clue why. None of the code should be at risk for throwing a NullPointerException:

java.lang.NullPointerException: Rendering Particle
   at net.minecraft.client.particle.Particle.getBrightnessForRender(Particle.java:201) ~[forge-1.14.4-28.1.80_mapped_snapshot_20190719-1.14.3-recomp.jar:?] {re:classloading,pl:runtimedistcleaner:A}
   at net.minecraft.client.particle.FlameParticle.getBrightnessForRender(FlameParticle.java:39) ~[forge-1.14.4-28.1.80_mapped_snapshot_20190719-1.14.3-recomp.jar:?] {re:classloading,pl:runtimedistcleaner:A}
   at net.minecraft.client.particle.TexturedParticle.renderParticle(TexturedParticle.java:35) ~[forge-1.14.4-28.1.80_mapped_snapshot_20190719-1.14.3-recomp.jar:?] {re:classloading,pl:runtimedistcleaner:A}
   at net.minecraft.client.particle.ParticleManager.renderParticles(ParticleManager.java:321) ~[forge-1.14.4-28.1.80_mapped_snapshot_20190719-1.14.3-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
   at net.minecraft.client.renderer.GameRenderer.updateCameraAndRender(GameRenderer.java:755) ~[forge-1.14.4-28.1.80_mapped_snapshot_20190719-1.14.3-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
   at net.minecraft.client.renderer.GameRenderer.renderWorld(GameRenderer.java:655) ~[forge-1.14.4-28.1.80_mapped_snapshot_20190719-1.14.3-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
   at net.minecraft.client.renderer.GameRenderer.updateCameraAndRender(GameRenderer.java:509) ~[forge-1.14.4-28.1.80_mapped_snapshot_20190719-1.14.3-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
   at net.minecraft.client.Minecraft.runGameLoop(Minecraft.java:925) ~[forge-1.14.4-28.1.80_mapped_snapshot_20190719-1.14.3-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
   at net.minecraft.client.Minecraft.run(Minecraft.java:384) ~[forge-1.14.4-28.1.80_mapped_snapshot_20190719-1.14.3-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
   at net.minecraft.client.main.Main.main(Main.java:128) ~[forge-1.14.4-28.1.80_mapped_snapshot_20190719-1.14.3-recomp.jar:?] {re:classloading,pl:runtimedistcleaner:A}
   at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?] {}
   at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?] {}
   at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?] {}
   at java.lang.reflect.Method.invoke(Method.java:564) ~[?:?] {}
   at net.minecraftforge.userdev.FMLUserdevClientLaunchProvider.lambda$launchService$0(FMLUserdevClientLaunchProvider.java:55) ~[forge-1.14.4-28.1.80_mapped_snapshot_20190719-1.14.3-recomp.jar:?] {}
   at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37) [modlauncher-4.1.0.jar:?] {}
   at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:54) [modlauncher-4.1.0.jar:?] {}
   at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:72) [modlauncher-4.1.0.jar:?] {}
   at cpw.mods.modlauncher.Launcher.run(Launcher.java:81) [modlauncher-4.1.0.jar:?] {}
   at cpw.mods.modlauncher.Launcher.main(Launcher.java:65) [modlauncher-4.1.0.jar:?] {}
   at net.minecraftforge.userdev.LaunchTesting.main(LaunchTesting.java:101) [forge-1.14.4-28.1.80_mapped_snapshot_20190719-1.14.3-recomp.jar:?] {}

Quote

November 6, 20195 yr

Author

3 hours ago, diesieben07 said:

You are most likely reaching across logical sides.

At the top of the class where I have this code I have the following annotation:

@Mod.EventBusSubscriber(Dist.CLIENT)

Shouldn't this prevent me from reaching across logical sides?

Quote

November 6, 20195 yr

Author

Alright: I added this to the code and it still crashes, would you be able to explain why?

if (Minecraft.getInstance().world != null && Minecraft.getInstance().world.isRemote() && ConfigValues.truesight.get() && entity.getActivePotionEffect(Effects.INVISIBILITY) != null) {
    AxisAlignedBB bb = entity.getBoundingBox();

    Minecraft.getInstance().particles.addParticle(ParticleTypes.FLAME, bb.minX, bb.minY, bb.minZ, 0, 0, bb.getZSize() / 20.0);
    Minecraft.getInstance().particles.addParticle(ParticleTypes.FLAME, bb.minX, bb.minY, bb.minZ, bb.getXSize() / 20.0, 0, 0);
    Minecraft.getInstance().particles.addParticle(ParticleTypes.FLAME, bb.minX, bb.minY, bb.minZ, 0, bb.getYSize() / 20.0, 0);
    Minecraft.getInstance().particles.addParticle(ParticleTypes.FLAME, bb.maxX, bb.maxY, bb.maxZ, 0, -bb.getYSize() / 20.0, 0);
    Minecraft.getInstance().particles.addParticle(ParticleTypes.FLAME, bb.maxX, bb.maxY, bb.maxZ, -bb.getXSize() / 20.0, 0, 0);
    Minecraft.getInstance().particles.addParticle(ParticleTypes.FLAME, bb.maxX, bb.maxY, bb.maxZ, 0, 0, -bb.getZSize() / 20.0);

}

I added Minecraft.getInstance().world != null && Minecraft.getInstance().world.isRemote() to make sure the Logistical Side is the Client, and it still crashes. If I change the Logistical Side to the server it just doesn't render the particles.

Quote

November 6, 20195 yr

Author

Thank you! Problem solved!

Quote

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[1.14.4] Strange Particle Crash

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