How to change world type and still keep the world?

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March 15, 201412 yr

Okay, this might sound crazy but it is possible (CaptainSparklez did it for his most recent season of modded survival). I want to make my world a Biomes O' Plenty world, BUT i do not want to regenerate it. i want to simply add the biomes to the current copy of the world, and keep everything i have, spawn exactly where i left off when it was a regular vanilla world next time i load it. how do i do this? i've googled it, asked on the reddit section, and haven't gotten anywhere. if someone could please help, i'd appreciate it!

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Incredibly odd input lag on modded MC 1.20.1 (custom mod pack)

I've been running a large modpack I threw together for a while and before it would run normally say with a few hiccups here and there thanks to the size of it but as of recently I've been having a lot of issues with the input lag such as

Very delayed inputs upon starting the world (pressing left and right only to move a couple seconds later or delayed jumping
stuck inputs (moving left or right keeps me moving there for a few seconds and I can't stop until a few seconds pass) or flying (attempting to stop flying only gets the jump button stuck and has me going higher and higher) sprinting sometimes doesn't work (double tapping "W" just makes the game think I pressed it once)
inputs don't register (opening up the inventory and unable to close it for a few seconds despite pressing "E" or "escape" multiple times)
This all happens despite having a few of the recommended performance mods in the list (modernfix, ferritecore, embeddium, etc.)

This happened after I updated my pc to the latest version of Windows 11 and for some reason it started giving me severe input lag even though it never happened before (other games got affected too but MC is the one that is still giving me problems)

Any idea how to fix this issue? Thanks in advance!

By Rokaze · 4 hours ago4 hr
Custom NPC

Oh no, i am just making a map and i wanted to make a group of npcs walk around together with guns and patrol the map

By MixasFox · 11 hours ago11 hr
[1.20.1] Detect Block Break by non-player entity

I have some blocks in my mod which detect when a player breaks them using the BreakEvent. In survival mode, the block drops an item and is immediately replaced by the same block, making an infinite farm basically. In creative mode, you can permanently destroy/place the block as normal. That seems to work well for players, but say if a modded block (like the Create mod drill) breaks them, then it seems to simply just destroy the block, without triggering the event. How could I make is such that a non-player like the drill can replicate that same behavior as a player in survival?

Based upon my own research into Create's source code (plus my own testing), the drill does not seem to trigger a BreakEvent. Though I'm surprised the event just doesn't trigger on its own anyways (though I am still learning about events generally so I am probably missing something).

public static class ForgeEvents { @SubscribeEvent public static void onBreak(BlockEvent.BreakEvent event) { BlockEntity blockEntity = event.getLevel().getBlockEntity(event.getPos()); boolean found = false; if (blockEntity instanceof OreVeinEntity) { //creative mode only can destroy the blocks if (!event.getPlayer().isCreative()) { //do stuff

By ftrPrezR99 · 17 hours ago17 hr
Need help! "Errors in currently selected datapacks prevented the world from loading."

This worked for my world, but my inventory/player data didn't carry over.. is there a way to fix this too?

By IwuvVocaloid · Monday at 12:36 AM2 days
Help with mapping errors when declaring dependencies in build.gradle

Hey, I was wondering if anyone could help me out with my forge gradle issue. I am comfortable with OOP in Java but I am completely new to Minecraft modding, and I am trying to build an add-on for AlienEvo (link: https://www.curseforge.com/minecraft/mc-mods/alienevo).

I am currently trying to declare both alienEvo and palladium as dependencies inside my build.gradle file, but this has led to issues when I try to use the runClient configuration. I am using IntelliJ, and I have already tried to fix the issue yesterday. Here is a google doc link (https://docs.google.com/document/d/1Vp7VKFDZIeB_c7UzeZegLtm_UJNgkcWp5IbpkjfprcY/edit?usp=sharing) with a summary of what I have already attempted. It includes errors and images, which hopefully articulates what I ran into previously and my attempted fixes.

I think it is a mapping issue between the dependencies and my dev environment. Like, it's loading the dependencies but not converting them to use the official mapping which my dev env is set to use; it's trying to look for the obfuscated classes and methods. Today, I tried following the obfuscation example in the MDK examples repo (https://github.com/MinecraftForge/MDKExamples/tree/master/obfuscation/fg7), but the build fails when I include the renamer plugin. I tried some different versions of it, but all failed, giving the following error:
* What went wrong: An exception occurred applying plugin request [id: 'net.minecraftforge.renamer', version: '1.0.15'] > Failed to apply plugin 'net.minecraftforge.renamer'. > Could not create plugin of type 'RenamerPlugin'. > Could not create an instance of type net.minecraftforge.renamer.gradle.shadow.net.minecraftforge.gradleutils.shared.EnhancedProblems$Minimal. > Method 'org.gradle.api.problems.ProblemGroup org.gradle.api.problems.ProblemGroup.create(java.lang.String, java.lang.String)' must be InterfaceMethodref constantI am using gradle version 8.8 which I believe is what the MDK was configured to use by default.
Here is pastebin (https://pastebin.com/C7LVHznA) which includes links to my build.gradle, gradle.properties and settings.gradle. There are some comments on my build.gradle which explain why I added certain things. This is more articulated in the google doc.
Any response is greatly apperciated.

By CJ_Salad0 · Sunday at 11:25 PM2 days

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How to change world type and still keep the world?

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Incredibly odd input lag on modded MC 1.20.1 (custom mod pack)

Custom NPC

[1.20.1] Detect Block Break by non-player entity

Need help! "Errors in currently selected datapacks prevented the world from loading."

Help with mapping errors when declaring dependencies in build.gradle

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