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How to override vanilla ores spawning


CrashCZ

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1 minute ago, CrashCZ said:

Hello. I need to make some vanilla ores to spawn less in overworld. Any ideas how to do it ?

Subscribe to the OreGenEvent.GenerateMineable and set the result to deny. And create your own world generator to generate the ores and register it with GameRegistry.registerWorldGenerator

VANILLA MINECRAFT CLASSES ARE THE BEST RESOURCES WHEN MODDING

I will be posting 1.15.2 modding tutorials on this channel. If you want to be notified of it do the normal YouTube stuff like subscribing, ect.

Forge and vanilla BlockState generator.

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ok so id idid this:

	@SubscribeEvent
	public static void GenerateMinable(OreGenEvent event)
	{
		event.setResult(Result.DENY);
	}

and

package com.crashcz.minerals.world;

import java.util.Random;

import com.crashcz.minerals.init.ModBlocks;

import net.minecraft.block.state.IBlockState;
import net.minecraft.init.Blocks;
import net.minecraft.util.math.BlockPos;
import net.minecraft.world.World;
import net.minecraft.world.chunk.IChunkProvider;
import net.minecraft.world.gen.IChunkGenerator;
import net.minecraft.world.gen.feature.WorldGenMinable;
import net.minecraftforge.fml.common.IWorldGenerator;

public class ModWorldGen implements IWorldGenerator
{
	@Override
	public void generate(Random random, int chunkX, int chunkZ, World world, IChunkGenerator chunkGenerator, IChunkProvider chunkProvider)
	{
		if(world.provider.getDimension() == 0)
		{
			generateOverworld(random, chunkX, chunkZ, world, chunkGenerator, chunkProvider);
		}
	}
	
	private void generateOverworld(Random random, int chunkX, int chunkZ, World world, IChunkGenerator chunkGenerator, IChunkProvider chunkProvider)
	{
		generateOre(Blocks.IRON_ORE.getDefaultState(), world, random, chunkX * 16, chunkZ * 16, 5, 12, random.nextInt(6) + 1, 4);
	}
	private void generateOre(IBlockState ore, World world, Random random, int x, int z, int minY, int maxY, int size, int chances)
	{
		int deltaY = maxY - minY;
		for(int i = 0; i < chances; i++)
		{
			BlockPos pos = new BlockPos(x + random.nextInt(16), minY + random.nextInt(deltaY), z + random.nextInt(16));
			WorldGenMinable generator = new WorldGenMinable(ore, size);
			generator.generate(world, random, pos);
		}
	}
}

and

	@EventHandler
	public static void PreInit(FMLPreInitializationEvent event)
	{
		GameRegistry.registerWorldGenerator(new ModWorldGen(), 3);
	}

but nothing changed, did I do something wrong ?

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2 minutes ago, CrashCZ said:

What does it mean ?

 

You need to register your event handler with MinecraftForge.ORE_GEN_BUS instead of MinecraftForge.EVENT_BUS.

Please don't PM me to ask for help. Asking your question in a public thread preserves it for people who are having the same problem in the future.

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26 minutes ago, CrashCZ said:

Could you please show me how to do it ?

 

Instead of calling MinecraftForge.EVENT_BUS.register or using the @EventBusSubscriber annotation, you call MinecraftForge.ORE_GEN_BUS.register.

Please don't PM me to ask for help. Asking your question in a public thread preserves it for people who are having the same problem in the future.

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27 minutes ago, CrashCZ said:

Could you please show me how to do it ?

MinecraftForge.ORE_GEN_BUS.register(target);

VANILLA MINECRAFT CLASSES ARE THE BEST RESOURCES WHEN MODDING

I will be posting 1.15.2 modding tutorials on this channel. If you want to be notified of it do the normal YouTube stuff like subscribing, ect.

Forge and vanilla BlockState generator.

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43 minutes ago, CrashCZ said:

So like this ?


	@EventHandler
	public static void Init(FMLInitializationEvent event)
	{
		MinecraftForge.ORE_GEN_BUS.register(new RegistryHandler());
	}

 

 

If you use a static event handler method, you need to register the Class object with the event bus rather than an instance of the class. See the documentation for more information.

Please don't PM me to ask for help. Asking your question in a public thread preserves it for people who are having the same problem in the future.

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Yes, now it's working :) Thanks for help

 

package com.crashcz.minerals.world;

import java.util.Random;

import com.crashcz.minerals.init.ModBlocks;

import net.minecraft.block.state.IBlockState;
import net.minecraft.init.Blocks;
import net.minecraft.util.math.BlockPos;
import net.minecraft.world.World;
import net.minecraft.world.chunk.IChunkProvider;
import net.minecraft.world.gen.IChunkGenerator;
import net.minecraft.world.gen.feature.WorldGenMinable;
import net.minecraftforge.fml.common.IWorldGenerator;

public class ModWorldGen implements IWorldGenerator
{
	@Override
	public void generate(Random random, int chunkX, int chunkZ, World world, IChunkGenerator chunkGenerator, IChunkProvider chunkProvider)
	{
		if(world.provider.getDimension() == 0)
		{
			generateOverworld(random, chunkX, chunkZ, world, chunkGenerator, chunkProvider);
		}
	}
	
	private void generateOverworld(Random random, int chunkX, int chunkZ, World world, IChunkGenerator chunkGenerator, IChunkProvider chunkProvider)
	{
		generateOre(ModBlocks.RUBY_ORE.getDefaultState(), world, random, chunkX * 16, chunkZ *16, 5, 12, random.nextInt(6) + 1, 4);
		generateOre(Blocks.IRON_ORE.getDefaultState(), world, random, chunkX * 16, chunkZ * 16, 5, 12, random.nextInt(6) + 1, 4);
	}
	private void generateOre(IBlockState ore, World world, Random random, int x, int z, int minY, int maxY, int size, int chances)
	{
		int deltaY = maxY - minY;
		for(int i = 0; i < chances; i++)
		{
			BlockPos pos = new BlockPos(x + random.nextInt(16), minY + random.nextInt(deltaY), z + random.nextInt(16));
			WorldGenMinable generator = new WorldGenMinable(ore, size);
			generator.generate(world, random, pos);
		}
	}
}
package com.crashcz.minerals.util.handlers;

import com.crashcz.minerals.init.ModBlocks;
import com.crashcz.minerals.init.ModItems;
import com.crashcz.minerals.util.IHasModel;

import net.minecraft.block.Block;
import net.minecraft.item.Item;
import net.minecraftforge.client.event.ModelRegistryEvent;
import net.minecraftforge.event.RegistryEvent;
import net.minecraftforge.event.terraingen.OreGenEvent;
import net.minecraftforge.fml.common.Mod.EventBusSubscriber;
import net.minecraftforge.fml.common.eventhandler.Event.Result;
import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;

@EventBusSubscriber
public class RegistryHandler
{
	@SubscribeEvent
	public static void onItemRegister(RegistryEvent.Register<Item> event)
	{
		event.getRegistry().registerAll(ModItems.ITEMS.toArray(new Item[0]));
	}
	@SubscribeEvent
	public static void onBlockRegister(RegistryEvent.Register<Block> event)
	{
		event.getRegistry().registerAll(ModBlocks.BLOCKS.toArray(new Block[0]));
	}
	
	@SubscribeEvent
	public static void onModelRegister(ModelRegistryEvent event)
	{
		for(Item item : ModItems.ITEMS)
		{
			if(item instanceof IHasModel)
			{
				((IHasModel)item).registerModels();
			}
		}
		for(Block block : ModBlocks.BLOCKS)
		{
			if(block instanceof IHasModel)
			{
				((IHasModel)block).registerModels();
			}
		}
	}
	@SubscribeEvent
	public static void GenerateMinable(OreGenEvent event)
	{
		event.setResult(Result.DENY);
	}
}
	@EventHandler
	public static void Init(FMLInitializationEvent event)
	{
		ModRecipes.init();
		Blocks.IRON_ORE.setHarvestLevel("pickaxe", 3);
		MinecraftForge.ORE_GEN_BUS.register(RegistryHandler.class);
		GameRegistry.registerWorldGenerator(new ModWorldGen(), 3);
	}

 

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