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VBA Programmer trying to get into modding for Forge


Phicksur

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Hello,

 

I have been doing a great deal of Visual Basic programming for some time and recently have use of a mod for a YouTube series I wish to do. Unfortunately for me, most of the videos for modding for Minecraft seem to be focused on creating/editing/changing blocks and what I want has nothing to do with blocks.

 

I have already installed Eclipse, Forge source, made all the directories and ran Gradle and the environment seems to be properly set up. From here, though, I can't figure out what objects I need to 'attach' to to do what I want to do. I have detailed my desire below, but if the top part is too awkward, the bottom half would suffice.

 

The Mod's Point: I just want to make it so it is always dark enough, even during the 'daytime' for mobs to spawn anywhere that hasn't been manually lit up. The former part is the first way I thought of to do it, but the latter way will work better, if it is possible to mess with that.

 

Any pointers and suggestions will be most welcome,

Phicksur

 

What I want to do

 

Every 10 ticks (so as not to be checked EVERY tick to reduce lag)

  Check time of day

    If Time of Day is between 13188 and 22810 do nothing

      else change time of day to 13188

 

Also (or instead of)

  Default maximum daytime light level is set to 7, not 15.

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Ok, in looking through the files, I believe where I need to be editing is in the world.java class

 

Specifically the public int getBlockLightValue_do object

 

and if I change the default return value to 7 instead of 15, that should affect the daytime base light level.

 

 

 

Can anyone tell me if I am on the right track?

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Well, 1st thing after this basic stuff are events - http://www.minecraftforge.net/wiki/Event_Reference

Using those you can probably archieve most of what you desire.

 

About daytime checks - if you want it to act globally (not via block or command) you will probably want to use:

cpw.mods.fml.common.gameevent.TickEvent

Ofc. use server side one and check daytime every whetever ticks you want, note that checking daytime every tick (not every 10) is not that bad... it's all very cheap on resources. Other Tickers on the other hand shouldn't be abused - try to avoid using them, for player you can for example use PlayerEvent.

 

 

1.7.10 is no longer supported by forge, you are on your own.

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Hi

 

You might want to look at    world.setSkylightSubtracted(int newSkylightSubtracted) and/or calculatedSkyLightSubtracted()

 

I think what you're proposing might work, but it probably won't be as robust as using a built-in method (with minor tweak if reqd).

 

-TGG

Those two methods (is that the right terminology?) appear to be what calculates the light levels based on changes in the time of day, and calculating the light from a block that is being lit from direct sunlight. The former might be handy, but I believe the change in the world.java class will do what I need by preventing the light level from ever exceeding 7 due to sunlight (but still exceed 7 from other non-sun sources).

 

Ok, at this point I am lost. I have changed the world.java class and saved it, but I do not know how to actually transform it into a 'mod'. Where is the tutorial for that part?

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Basically the answer is "You can't change anthing in base classes of MC", but to extend that I will add: "You can only manipulate bytecode if you know how to ASM".

 

You probably can't do that yet (as you've came from VBA), so for now stay with 1st answer.

 

I alredy pointed out - what you are trying to do is just a goal, fist you have to learn how to use API.

 

Forge is a layer over vanilla mc that hooks itself into several methods. You (and any other mod) can use those hooks - events to execute your own code when vanilla methods are called.

 

For now - learn how to setup basic mod and how to subscribe to events. Next goal is to understand the TickEvent and create one that will check if 'time == day' every tick:

What I want to do

Every 10 ticks (so as not to be checked EVERY tick to reduce lag)
  Check time of day
    If Time of Day is between 13188 and 22810 do nothing
      else change time of day to 13188

And from there you can set it to set again to start of the day when night starts.

 

Note: for this 'default light level = 7' - quite impossible without ASM (OR IS IT :OO ?!?!?)

1.7.10 is no longer supported by forge, you are on your own.

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There is another way, which changes the whole skylight of the world.

Follow these instructions:

 

1. Make your new customized WorldProvider.

2. Override getSunBrightnessFactor, getSunBrightness.

  - getSunBrightnessFactor is for skylight calculation on Server&Client. Affects the light value of whole world.

  - getSunBrightness is for sky rendering on Client on day.

3. Modify the methods with your needs.

    You can return the lowest value on those functions, for you wants permanent night!

4. As TGG said, replace overworld provider with yours.

    first, unregister the overworld provider using DimensionManager.unregisterProviderType

    then DimensionManager.registerProviderType for the surface world with your new customised WorldProvider

5. Done.

 

* These thing can be possible thanks to my PR. :-)

I. Stellarium for Minecraft: Configurable Universe for Minecraft! (WIP)

II. Stellar Sky, Better Star Rendering&Sky Utility mod, had separated from Stellarium.

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    • Hello, I just finished my first mod for MC for 1.19.2, I've used: IntelliJ 2024.1.3 Forge MDK 43.3.13 SDK 17.0.11 (eclipse Temurin) Basically, my mod plays scary music at night time, stopping any music played by the game. For that I needed to access via reflection to a private MusicManager.class attribute (SoundInstance currentMusic), and the management of this is giving me errors (I think). Here's the full stacktrace: ---- Minecraft Crash Report ---- // There are four lights! Time: 2024-06-16 20:29:25 Description: Ticking entity java.lang.NoSuchMethodError: 'net.minecraft.client.Minecraft net.minecraft.client.Minecraft.m_91087_()' at com.miorg.scarysounds.SoundHandler.onWorldTick(SoundHandler.java:64) ~[scarysounds-1.0.0.jar%23188!/:1.0.0] {re:classloading} at com.miorg.scarysounds.__SoundHandler_onWorldTick_PlayerTickEvent.invoke(.dynamic) ~[scarysounds-1.0.0.jar%23188!/:1.0.0] {re:classloading,pl:eventbus:B} at net.minecraftforge.eventbus.ASMEventHandler.invoke(ASMEventHandler.java:73) ~[eventbus-6.0.3.jar%23113!/:?] {} at net.minecraftforge.eventbus.EventBus.post(EventBus.java:315) ~[eventbus-6.0.3.jar%23113!/:?] {} at net.minecraftforge.eventbus.EventBus.post(EventBus.java:296) ~[eventbus-6.0.3.jar%23113!/:?] {} at net.minecraftforge.event.ForgeEventFactory.onPlayerPreTick(ForgeEventFactory.java:814) ~[forge-1.19.2-43.3.13_mapped_official_1.19.2.jar%23189%23197!/:?] {re:classloading} at net.minecraft.world.entity.player.Player.tick(Player.java:216) ~[forge-1.19.2-43.3.13_mapped_official_1.19.2.jar%23190!/:?] {re:classloading,pl:accesstransformer:B} at net.minecraft.client.player.LocalPlayer.tick(LocalPlayer.java:200) ~[forge-1.19.2-43.3.13_mapped_official_1.19.2.jar%23190!/:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A} at net.minecraft.client.multiplayer.ClientLevel.tickNonPassenger(ClientLevel.java:269) ~[forge-1.19.2-43.3.13_mapped_official_1.19.2.jar%23190!/:?] {re:classloading,pl:runtimedistcleaner:A} at net.minecraft.world.level.Level.guardEntityTick(Level.java:457) ~[forge-1.19.2-43.3.13_mapped_official_1.19.2.jar%23190!/:?] {re:classloading,pl:accesstransformer:B} at net.minecraft.client.multiplayer.ClientLevel.lambda$tickEntities$4(ClientLevel.java:251) ~[forge-1.19.2-43.3.13_mapped_official_1.19.2.jar%23190!/:?] {re:classloading,pl:runtimedistcleaner:A} at net.minecraft.world.level.entity.EntityTickList.forEach(EntityTickList.java:54) ~[forge-1.19.2-43.3.13_mapped_official_1.19.2.jar%23190!/:?] {re:classloading} at net.minecraft.client.multiplayer.ClientLevel.tickEntities(ClientLevel.java:249) ~[forge-1.19.2-43.3.13_mapped_official_1.19.2.jar%23190!/:?] {re:classloading,pl:runtimedistcleaner:A} at net.minecraft.client.Minecraft.tick(Minecraft.java:1791) ~[forge-1.19.2-43.3.13_mapped_official_1.19.2.jar%23190!/:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A} at net.minecraft.client.Minecraft.runTick(Minecraft.java:1078) ~[forge-1.19.2-43.3.13_mapped_official_1.19.2.jar%23190!/:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A} at net.minecraft.client.Minecraft.run(Minecraft.java:700) ~[forge-1.19.2-43.3.13_mapped_official_1.19.2.jar%23190!/:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A} at net.minecraft.client.main.Main.run(Main.java:212) ~[forge-1.19.2-43.3.13_mapped_official_1.19.2.jar%23190!/:?] {re:classloading,pl:runtimedistcleaner:A} at net.minecraft.client.main.Main.main(Main.java:51) ~[forge-1.19.2-43.3.13_mapped_official_1.19.2.jar%23190!/:?] {re:classloading,pl:runtimedistcleaner:A} at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?] {} at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[?:?] {} at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?] {} at java.lang.reflect.Method.invoke(Method.java:568) ~[?:?] {} at net.minecraftforge.fml.loading.targets.ForgeClientUserdevLaunchHandler.lambda$launchService$0(ForgeClientUserdevLaunchHandler.java:25) ~[fmlloader-1.19.2-43.3.13.jar%23101!/:?] {} at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:30) [modlauncher-10.0.9.jar%23114!/:?] {} at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:53) [modlauncher-10.0.9.jar%23114!/:?] {} at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:71) [modlauncher-10.0.9.jar%23114!/:?] {} at cpw.mods.modlauncher.Launcher.run(Launcher.java:108) [modlauncher-10.0.9.jar%23114!/:?] {} at cpw.mods.modlauncher.Launcher.main(Launcher.java:78) [modlauncher-10.0.9.jar%23114!/:?] {} at cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:26) [modlauncher-10.0.9.jar%23114!/:?] {} at cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:23) [modlauncher-10.0.9.jar%23114!/:?] {} at cpw.mods.bootstraplauncher.BootstrapLauncher.main(BootstrapLauncher.java:141) [bootstraplauncher-1.1.2.jar:?] {} A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- Head -- Thread: Render thread Suspected Mod: ScarySounds (scarysounds), Version: 1.0.0 at TRANSFORMER/[email protected]/com.miorg.scarysounds.SoundHandler.onWorldTick(SoundHandler.java:64) Stacktrace: at com.miorg.scarysounds.SoundHandler.onWorldTick(SoundHandler.java:64) ~[scarysounds-1.0.0.jar%23188!/:1.0.0] {re:classloading} at com.miorg.scarysounds.__SoundHandler_onWorldTick_PlayerTickEvent.invoke(.dynamic) ~[scarysounds-1.0.0.jar%23188!/:1.0.0] {re:classloading,pl:eventbus:B} at net.minecraftforge.eventbus.ASMEventHandler.invoke(ASMEventHandler.java:73) ~[eventbus-6.0.3.jar%23113!/:?] {} at net.minecraftforge.eventbus.EventBus.post(EventBus.java:315) ~[eventbus-6.0.3.jar%23113!/:?] {} at net.minecraftforge.eventbus.EventBus.post(EventBus.java:296) ~[eventbus-6.0.3.jar%23113!/:?] {} at net.minecraftforge.event.ForgeEventFactory.onPlayerPreTick(ForgeEventFactory.java:814) ~[forge-1.19.2-43.3.13_mapped_official_1.19.2.jar%23189%23197!/:?] {re:classloading} at net.minecraft.world.entity.player.Player.tick(Player.java:216) ~[forge-1.19.2-43.3.13_mapped_official_1.19.2.jar%23190!/:?] {re:classloading,pl:accesstransformer:B} at net.minecraft.client.player.LocalPlayer.tick(LocalPlayer.java:200) ~[forge-1.19.2-43.3.13_mapped_official_1.19.2.jar%23190!/:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A} at net.minecraft.client.multiplayer.ClientLevel.tickNonPassenger(ClientLevel.java:269) ~[forge-1.19.2-43.3.13_mapped_official_1.19.2.jar%23190!/:?] {re:classloading,pl:runtimedistcleaner:A} at net.minecraft.world.level.Level.guardEntityTick(Level.java:457) ~[forge-1.19.2-43.3.13_mapped_official_1.19.2.jar%23190!/:?] {re:classloading,pl:accesstransformer:B} at net.minecraft.client.multiplayer.ClientLevel.lambda$tickEntities$4(ClientLevel.java:251) ~[forge-1.19.2-43.3.13_mapped_official_1.19.2.jar%23190!/:?] {re:classloading,pl:runtimedistcleaner:A} at net.minecraft.world.level.entity.EntityTickList.forEach(EntityTickList.java:54) ~[forge-1.19.2-43.3.13_mapped_official_1.19.2.jar%23190!/:?] {re:classloading} at net.minecraft.client.multiplayer.ClientLevel.tickEntities(ClientLevel.java:249) ~[forge-1.19.2-43.3.13_mapped_official_1.19.2.jar%23190!/:?] {re:classloading,pl:runtimedistcleaner:A} -- Entity being ticked -- Details: Entity Type: minecraft:player (net.minecraft.client.player.LocalPlayer) Entity ID: 227 Entity Name: Dev Entity's Exact location: -55.87, 119.00, -7.99 Entity's Block location: World: (-56,119,-8), Section: (at 8,7,8 in -4,7,-1; chunk contains blocks -64,-64,-16 to -49,319,-1), Region: (-1,-1; contains chunks -32,-32 to -1,-1, blocks -512,-64,-512 to -1,319,-1) Entity's Momentum: 0.00, 0.00, 0.00 Entity's Passengers: [] Entity's Vehicle: null Stacktrace: at net.minecraft.world.level.Level.guardEntityTick(Level.java:457) ~[forge-1.19.2-43.3.13_mapped_official_1.19.2.jar%23190!/:?] {re:classloading,pl:accesstransformer:B} at net.minecraft.client.multiplayer.ClientLevel.lambda$tickEntities$4(ClientLevel.java:251) ~[forge-1.19.2-43.3.13_mapped_official_1.19.2.jar%23190!/:?] {re:classloading,pl:runtimedistcleaner:A} at net.minecraft.world.level.entity.EntityTickList.forEach(EntityTickList.java:54) ~[forge-1.19.2-43.3.13_mapped_official_1.19.2.jar%23190!/:?] {re:classloading} at net.minecraft.client.multiplayer.ClientLevel.tickEntities(ClientLevel.java:249) ~[forge-1.19.2-43.3.13_mapped_official_1.19.2.jar%23190!/:?] {re:classloading,pl:runtimedistcleaner:A} at net.minecraft.client.Minecraft.tick(Minecraft.java:1791) ~[forge-1.19.2-43.3.13_mapped_official_1.19.2.jar%23190!/:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A} at net.minecraft.client.Minecraft.runTick(Minecraft.java:1078) ~[forge-1.19.2-43.3.13_mapped_official_1.19.2.jar%23190!/:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A} at net.minecraft.client.Minecraft.run(Minecraft.java:700) ~[forge-1.19.2-43.3.13_mapped_official_1.19.2.jar%23190!/:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A} at net.minecraft.client.main.Main.run(Main.java:212) ~[forge-1.19.2-43.3.13_mapped_official_1.19.2.jar%23190!/:?] {re:classloading,pl:runtimedistcleaner:A} at net.minecraft.client.main.Main.main(Main.java:51) ~[forge-1.19.2-43.3.13_mapped_official_1.19.2.jar%23190!/:?] {re:classloading,pl:runtimedistcleaner:A} at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?] {} at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[?:?] {} at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?] {} at java.lang.reflect.Method.invoke(Method.java:568) ~[?:?] {} at net.minecraftforge.fml.loading.targets.ForgeClientUserdevLaunchHandler.lambda$launchService$0(ForgeClientUserdevLaunchHandler.java:25) ~[fmlloader-1.19.2-43.3.13.jar%23101!/:?] {} at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:30) [modlauncher-10.0.9.jar%23114!/:?] {} at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:53) [modlauncher-10.0.9.jar%23114!/:?] {} at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:71) [modlauncher-10.0.9.jar%23114!/:?] {} at cpw.mods.modlauncher.Launcher.run(Launcher.java:108) [modlauncher-10.0.9.jar%23114!/:?] {} at cpw.mods.modlauncher.Launcher.main(Launcher.java:78) [modlauncher-10.0.9.jar%23114!/:?] {} at cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:26) [modlauncher-10.0.9.jar%23114!/:?] {} at cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:23) [modlauncher-10.0.9.jar%23114!/:?] {} at cpw.mods.bootstraplauncher.BootstrapLauncher.main(BootstrapLauncher.java:141) [bootstraplauncher-1.1.2.jar:?] {} -- Affected level -- Details: All players: 1 total; [LocalPlayer['Dev'/227, l='ClientLevel', x=-55.87, y=119.00, z=-7.99]] Chunk stats: 961, 400 Level dimension: minecraft:overworld Level spawn location: World: (0,106,0), Section: (at 0,10,0 in 0,6,0; chunk contains blocks 0,-64,0 to 15,319,15), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,-64,0 to 511,319,511) Level time: 6100 game time, 14340 day time Server brand: forge Server type: Integrated singleplayer server Stacktrace: at net.minecraft.client.multiplayer.ClientLevel.fillReportDetails(ClientLevel.java:450) ~[forge-1.19.2-43.3.13_mapped_official_1.19.2.jar%23190!/:?] {re:classloading,pl:runtimedistcleaner:A} at net.minecraft.client.Minecraft.fillReport(Minecraft.java:2280) ~[forge-1.19.2-43.3.13_mapped_official_1.19.2.jar%23190!/:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A} at net.minecraft.client.Minecraft.run(Minecraft.java:717) ~[forge-1.19.2-43.3.13_mapped_official_1.19.2.jar%23190!/:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A} at net.minecraft.client.main.Main.run(Main.java:212) ~[forge-1.19.2-43.3.13_mapped_official_1.19.2.jar%23190!/:?] {re:classloading,pl:runtimedistcleaner:A} at net.minecraft.client.main.Main.main(Main.java:51) ~[forge-1.19.2-43.3.13_mapped_official_1.19.2.jar%23190!/:?] {re:classloading,pl:runtimedistcleaner:A} at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?] {} at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[?:?] {} at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?] {} at java.lang.reflect.Method.invoke(Method.java:568) ~[?:?] {} at net.minecraftforge.fml.loading.targets.ForgeClientUserdevLaunchHandler.lambda$launchService$0(ForgeClientUserdevLaunchHandler.java:25) ~[fmlloader-1.19.2-43.3.13.jar%23101!/:?] {} at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:30) [modlauncher-10.0.9.jar%23114!/:?] {} at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:53) [modlauncher-10.0.9.jar%23114!/:?] {} at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:71) [modlauncher-10.0.9.jar%23114!/:?] {} at cpw.mods.modlauncher.Launcher.run(Launcher.java:108) [modlauncher-10.0.9.jar%23114!/:?] {} at cpw.mods.modlauncher.Launcher.main(Launcher.java:78) [modlauncher-10.0.9.jar%23114!/:?] {} at cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:26) [modlauncher-10.0.9.jar%23114!/:?] {} at cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:23) [modlauncher-10.0.9.jar%23114!/:?] {} at cpw.mods.bootstraplauncher.BootstrapLauncher.main(BootstrapLauncher.java:141) [bootstraplauncher-1.1.2.jar:?] {} -- Last reload -- Details: Reload number: 1 Reload reason: initial Finished: Yes Packs: Default, Mod Resources -- System Details -- Details: Minecraft Version: 1.19.2 Minecraft Version ID: 1.19.2 Operating System: Windows 10 (amd64) version 10.0 Java Version: 17.0.11, Eclipse Adoptium Java VM Version: OpenJDK 64-Bit Server VM (mixed mode, sharing), Eclipse Adoptium Memory: 1080430488 bytes (1030 MiB) / 2302672896 bytes (2196 MiB) up to 4208984064 bytes (4014 MiB) CPUs: 12 Processor Vendor: GenuineIntel Processor Name: 12th Gen Intel(R) Core(TM) i5-12450H Identifier: Intel64 Family 6 Model 154 Stepping 3 Microarchitecture: unknown Frequency (GHz): 2.50 Number of physical packages: 1 Number of physical CPUs: 8 Number of logical CPUs: 12 Graphics card #0 name: NVIDIA GeForce RTX 3050 Laptop GPU Graphics card #0 vendor: NVIDIA (0x10de) Graphics card #0 VRAM (MB): 4095.00 Graphics card #0 deviceId: 0x25a2 Graphics card #0 versionInfo: DriverVersion=31.0.15.4680 Graphics card #1 name: Intel(R) UHD Graphics Graphics card #1 vendor: Intel Corporation (0x8086) Graphics card #1 VRAM (MB): 128.00 Graphics card #1 deviceId: 0x46a3 Graphics card #1 versionInfo: DriverVersion=31.0.101.5186 Memory slot #0 capacity (MB): 8192.00 Memory slot #0 clockSpeed (GHz): 3.20 Memory slot #0 type: DDR4 Memory slot #1 capacity (MB): 8192.00 Memory slot #1 clockSpeed (GHz): 3.20 Memory slot #1 type: DDR4 Virtual memory max (MB): 19530.51 Virtual memory used (MB): 17390.07 Swap memory total (MB): 3478.36 Swap memory used (MB): 253.88 JVM Flags: 1 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump Launched Version: MOD_DEV Backend library: LWJGL version 3.3.1 build 7 Backend API: Intel(R) UHD Graphics GL version 3.2.0 - Build 31.0.101.5186, Intel Window size: 854x480 GL Caps: Using framebuffer using OpenGL 3.2 GL debug messages: Using VBOs: Yes Is Modded: Definitely; Client brand changed to 'forge'; Server brand changed to 'forge' Type: Integrated Server (map_client.txt) Graphics mode: fancy Resource Packs: Current Language: English (US) CPU: 12x 12th Gen Intel(R) Core(TM) i5-12450H Server Running: true Player Count: 1 / 8; [ServerPlayer['Dev'/227, l='ServerLevel[New World]', x=-55.87, y=119.00, z=-7.99]] Data Packs: vanilla, mod:scarysounds, mod:forge World Generation: Stable ModLauncher: 10.0.9+10.0.9+main.dcd20f30 ModLauncher launch target: forgeclientuserdev ModLauncher naming: mcp ModLauncher services: mixin-0.8.5.jar mixin PLUGINSERVICE eventbus-6.0.3.jar eventbus PLUGINSERVICE fmlloader-1.19.2-43.3.13.jar slf4jfixer PLUGINSERVICE fmlloader-1.19.2-43.3.13.jar object_holder_definalize PLUGINSERVICE fmlloader-1.19.2-43.3.13.jar runtime_enum_extender PLUGINSERVICE fmlloader-1.19.2-43.3.13.jar capability_token_subclass PLUGINSERVICE accesstransformers-8.0.4.jar accesstransformer PLUGINSERVICE fmlloader-1.19.2-43.3.13.jar runtimedistcleaner PLUGINSERVICE modlauncher-10.0.9.jar mixin TRANSFORMATIONSERVICE modlauncher-10.0.9.jar fml TRANSFORMATIONSERVICE FML Language Providers: [email protected] lowcodefml@null javafml@null Mod List: forge-1.19.2-43.3.13_mapped_official_1.19.2.jar |Minecraft |minecraft |1.19.2 |DONE |Manifest: a1:d4:5e:04:4f:d3:d6:e0:7b:37:97:cf:77:b0:de:ad:4a:47:ce:8c:96:49:5f:0a:cf:8c:ae:b2:6d:4b:8a:3f scarysounds-1.0.0.jar |ScarySounds |scarysounds |1.0.0 |DONE |Manifest: NOSIGNATURE |Forge |forge |43.3.13 |DONE |Manifest: NOSIGNATURE Crash Report UUID: dc1c47a9-be1f-45b8-b70f-eab49d54148b FML: 43.3 Forge: net.minecraftforge:43.3.13   Here's my code, the most important lines are at the start of the class and the start of onWorldTick(). These lines manage the private attribute (currentMusic) and the exception fires at line 64: MusicManager musicManager = Minecraft.getInstance().getMusicManager(); Anybody knows what is happening????? I've spent 2 days trying to find a solution and I can't get it  Really appreciate your time package com.miorg.scarysounds; import net.minecraft.client.Minecraft; import net.minecraft.client.resources.sounds.SoundInstance; import net.minecraft.client.sounds.MusicManager; import net.minecraft.client.sounds.SoundManager; import net.minecraft.resources.ResourceLocation; import net.minecraft.sounds.Music; import net.minecraft.sounds.Musics; import net.minecraft.sounds.SoundEvent; import net.minecraft.sounds.SoundSource; import net.minecraft.util.profiling.jfr.event.WorldLoadFinishedEvent; import net.minecraft.world.effect.MobEffectInstance; import net.minecraft.world.effect.MobEffects; import net.minecraftforge.client.ClientCommandHandler; import net.minecraft.world.level.Level; import net.minecraft.core.BlockPos; import net.minecraftforge.api.distmarker.Dist; import net.minecraftforge.event.TickEvent; import net.minecraftforge.event.entity.EntityJoinLevelEvent; import net.minecraftforge.event.level.LevelEvent; import net.minecraftforge.eventbus.api.SubscribeEvent; import net.minecraftforge.fml.common.Mod; import net.minecraftforge.fml.util.ObfuscationReflectionHelper; import net.minecraftforge.registries.ForgeRegistries; import net.minecraftforge.registries.RegistryObject; import java.lang.reflect.Constructor; import java.lang.reflect.Field; import java.util.Random; @Mod.EventBusSubscriber(modid = "scarysounds", value = Dist.CLIENT) public class SoundHandler { private static Field currentMusicField; static { try { currentMusicField = MusicManager.class.getDeclaredField("currentMusic"); currentMusicField.setAccessible(true); } catch (NoSuchFieldException e) { e.printStackTrace(); } } private static final Random random = new Random(); static int ticksUntilNextSound = 0; static int ticksRestantes = 0; static int espera; static boolean flag = false; static boolean flagLoad = false; static String soundName; private static final String[] SOUND_NAMES = { "sound1", "sound2", "sound3", "sound4", "sound5", "sound6", "sound7", "sound8", "sound9", "sound10", "sound11", "sound12", "sound13", "sound14", "sound15" }; @SubscribeEvent public static void onWorldLoad(LevelEvent.Load event) { ticksUntilNextSound = getRandomTicks(); flagLoad = true; } @SubscribeEvent public static void onWorldTick(TickEvent.PlayerTickEvent event) throws InterruptedException { if (flagLoad) { try { MusicManager musicManager = Minecraft.getInstance().getMusicManager(); Object currentMusic = currentMusicField.get(musicManager); Level world = (Level) event.player.level; BlockPos playerPos = event.player.blockPosition(); //Coordenadas del jugador if (!world.isClientSide && event.phase == TickEvent.Phase.END) { long dayTime = world.getDayTime() % 24000L; if ((dayTime >= 13000L && dayTime <= 23000L) && !flag) { // De noche if (ticksUntilNextSound > 0) { ticksUntilNextSound--; if (ticksUntilNextSound == 75) Minecraft.getInstance().getMusicManager().stopPlaying(); if (ticksUntilNextSound == 110) { if (currentMusic != null) { event.player.addEffect(new MobEffectInstance(MobEffects.MOVEMENT_SLOWDOWN, 200, 4, true, true)); event.player.addEffect(new MobEffectInstance(MobEffects.CONFUSION, 200, 10, true, true)); event.player.addEffect(new MobEffectInstance(MobEffects.DARKNESS, 200, 10, true, true)); world.playSound(null, playerPos, ScarySounds.FX.get(), SoundSource.MUSIC, 1.0F, 1.0F); } } System.out.println(ticksUntilNextSound); } else { soundName = SOUND_NAMES[random.nextInt(SOUND_NAMES.length)]; ResourceLocation resourceLocation = new ResourceLocation("scarysounds", soundName); SoundEvent soundEvent = ForgeRegistries.SOUND_EVENTS.getValue(resourceLocation); switch (soundName) { case "sound1": { soundEvent = ScarySounds.SOUND1.get(); espera = 112; break; } case "sound2": { soundEvent = ScarySounds.SOUND2.get(); espera = 164; break; } case "sound3": { soundEvent = ScarySounds.SOUND3.get(); espera = 70; break; } case "sound4": { soundEvent = ScarySounds.SOUND4.get(); espera = 184; break; } case "sound5": { soundEvent = ScarySounds.SOUND5.get(); espera = 135; break; } case "sound6": { soundEvent = ScarySounds.SOUND6.get(); espera = 255; break; } case "sound7": { soundEvent = ScarySounds.SOUND7.get(); espera = 151; break; } case "sound8": { soundEvent = ScarySounds.SOUND8.get(); espera = 107; break; } case "sound9": { soundEvent = ScarySounds.SOUND9.get(); espera = 304; break; } case "sound10": { soundEvent = ScarySounds.SOUND10.get(); espera = 48; break; } case "sound11": { soundEvent = ScarySounds.SOUND11.get(); espera = 181; break; } case "sound12": { soundEvent = ScarySounds.SOUND12.get(); espera = 11; break; } case "sound13": { soundEvent = ScarySounds.SOUND13.get(); espera = 216; break; } case "sound14": { soundEvent = ScarySounds.SOUND14.get(); espera = 52; break; } case "sound15": { soundEvent = ScarySounds.SOUND15.get(); espera = 120; break; } } if (soundEvent != null) { ticksRestantes = espera * 20; world.playSound(null, playerPos, soundEvent, SoundSource.MUSIC, 1.0F, 1.0F); flag = true; } else { System.out.println("SoundEvent es nulo para: " + resourceLocation); } } } else { if (ticksRestantes > 0) { ticksRestantes--; Minecraft.getInstance().getMusicManager().stopPlaying(); System.out.println("Ticks restantes: " + ticksRestantes); } else { flag = false; ticksUntilNextSound = getRandomTicks(); } } } } catch (IllegalAccessException e) { e.printStackTrace(); } } } static int getRandomTicks() { return 500 + random.nextInt(1500); } }  
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