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[Unsolved]Creative Tab NullPointerException when Rendering

ean521

By ean521
in Modder Support

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ean521 Tree Puncher

ean521

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I got this during a crash in Eclipse when I attempted to move onto the second page of tabs:

 

Time: 5/6/14 4:19 PM

Description: Rendering item

 

java.lang.NullPointerException: Rendering item

at net.minecraft.item.ItemStack.getItemDamage(ItemStack.java:266)

at net.minecraft.client.renderer.entity.RenderItem.renderItemIntoGUI(RenderItem.java:415)

at net.minecraft.client.renderer.entity.RenderItem.renderItemAndEffectIntoGUI(RenderItem.java:560)

at net.minecraft.client.gui.inventory.GuiContainerCreative.func_147051_a(GuiContainerCreative.java:966)

atnet.minecraft.client.gui.inventory.GuiContainerCreative.drawGuiContainerBackgroundLayer(GuiContainerCreative.java:794)

at net.minecraft.client.gui.inventory.GuiContainer.drawScreen(GuiContainer.java:97)

at net.minecraft.client.renderer.InventoryEffectRenderer.drawScreen(InventoryEffectRenderer.java:44)

at net.minecraft.client.gui.inventory.GuiContainerCreative.drawScreen(GuiContainerCreative.java:672)

at net.minecraft.client.renderer.EntityRenderer.updateCameraAndRender(EntityRenderer.java:1143)

at net.minecraft.client.Minecraft.runGameLoop(Minecraft.java:1023)

at net.minecraft.client.Minecraft.run(Minecraft.java:910)

at net.minecraft.client.main.Main.main(Main.java:112)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

at java.lang.reflect.Method.invoke(Method.java:597)

at net.minecraft.launchwrapper.Launch.launch(Launch.java:134)

at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

 

 

 

I honestly cannot figure out how to fix it. I know it has something to do with the item on the tab label. I am using Forge

1.7.2-10.12.1.1060 if it helps. Here also is the code for my tab and every reference to it:

 

 

package com.gmail.eanwowmaster;

import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import net.minecraft.creativetab.CreativeTabs;
import net.minecraft.init.Blocks;
import net.minecraft.item.Item;
import net.minecraft.block.material.Material;

public class EancraftTabs extends CreativeTabs {

public EancraftTabs(String tabLabel) {
	super(tabLabel);
}

@Override
@SideOnly(Side.CLIENT)
public Item getTabIconItem() {
	return Item.getItemFromBlock(new EanOre(Material.rock));
}
}

public static CreativeTabs eancraftTab = new EancraftTabs("Eancraft");

	setCreativeTab(Eancraft.eancraftTab);

(I didn't put the code directly above in several times because it would be a waste of my typing and your reading)

 

 

Can anybody help me? I honestly have no idea how to fix it. I am new to Forge modding and this is my first mod, so I'm not surprised I can't fix this error.

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larsgerrits Reality Controller

larsgerrits

Posted
Posted

Before the "Eancraft" in the CreativeTab initilialization, put CreativeTas.getNextId().

Don't PM me with questions. They will be ignored! Make a thread on the appropriate board for support.

 

1.12 -> 1.13 primer by williewillus.

 

1.7.10 and older versions of Minecraft are no longer supported due to it's age! Update to the latest version for support.

 

http://www.howoldisminecraft1710.today/

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GotoLink World Shaper

GotoLink

Posted
Posted 

return Item.getItemFromBlock(new EanOre(Material.rock));

You need to return a registered item or block. That new stuff isn't registered, Minecraft can't render it.

Replace with an instance you made and registered in the FMLPreInitialization event.

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ean521 Tree Puncher

ean521

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Thank you, but I got the same error after changing the code to an instance of EanOre. The new code is:

 

 

package com.gmail.eanwowmaster;

 

import cpw.mods.fml.relauncher.Side;

import cpw.mods.fml.relauncher.SideOnly;

import net.minecraft.creativetab.CreativeTabs;

import net.minecraft.init.Blocks;

import net.minecraft.item.Item;

import net.minecraft.block.material.Material;

 

public class EancraftTabs extends CreativeTabs {

 

public EancraftTabs(String lable) {

super(lable);

}

 

@Override

@SideOnly(Side.CLIENT)

public Item getTabIconItem() {

return Item.getItemFromBlock(Eancraft.eanOre);

}

}

 

 

I honestly thought that would fix it. Well, is there actually a way to fix it?

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ean521 Tree Puncher

ean521

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I just ran it with a breakpoint and it is null... so how am I supposed to make it not null? BTW, it has items in it. EXAMPLE:

 

 

package com.gmail.eanwowmaster;

import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.world.World;
import net.minecraft.potion.PotionEffect;

public class Sushi extends Item {

protected Sushi() {
	setCreativeTab(Eancraft.eancraftTab);
	setUnlocalizedName("Sushi");
	setTextureName("eancraft:Sushi");
	setMaxStackSize(64);
}

public ItemStack onEaten(ItemStack itemStack, World world, EntityPlayer player) {
	player.addExhaustion(4.0F);
	player.addPotionEffect(new PotionEffect(9, 1, 1));
	player.addPotionEffect(new PotionEffect(5, 2, 1));
	return itemStack;
}
}

 

 

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Jacky2611 Diamond Finder

Jacky2611

Posted
Posted

I just ran it with a breakpoint and it is null... so how am I supposed to make it not null? BTW, it has items in it. EXAMPLE:

 

 

package com.gmail.eanwowmaster;

import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.world.World;
import net.minecraft.potion.PotionEffect;

public class Sushi extends Item {

protected Sushi() {
	setCreativeTab(Eancraft.eancraftTab);
	setUnlocalizedName("Sushi");
	setTextureName("eancraft:Sushi");
	setMaxStackSize(64);
}

public ItemStack onEaten(ItemStack itemStack, World world, EntityPlayer player) {
	player.addExhaustion(4.0F);
	player.addPotionEffect(new PotionEffect(9, 1, 1));
	player.addPotionEffect(new PotionEffect(5, 2, 1));
	return itemStack;
}
}

 

 

 

On eaten makes.something to food? Good to know...

 

Have you already tried.to us a minecraft item or block? And could you please show me.your mainclass?

Here could be your advertisement!

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ean521 Tree Puncher

ean521

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My Eancraft.class is here:

 

 

package com.gmail.eanwowmaster;

import cpw.mods.fml.common.Mod;
import cpw.mods.fml.common.Mod.EventHandler;
import cpw.mods.fml.common.Mod.Instance;
import cpw.mods.fml.common.SidedProxy;
import cpw.mods.fml.common.event.FMLInitializationEvent;
import cpw.mods.fml.common.event.FMLPostInitializationEvent;
import cpw.mods.fml.common.event.FMLPreInitializationEvent;
import cpw.mods.fml.common.registry.GameRegistry;
import cpw.mods.fml.common.registry.LanguageRegistry;
import cpw.mods.fml.common.registry.EntityRegistry;
import net.minecraft.creativetab.CreativeTabs;
import net.minecraft.block.Block;
import net.minecraft.block.material.Material;
import net.minecraft.item.ItemStack;
import net.minecraft.item.Item;
import net.minecraft.item.ItemPickaxe;
import net.minecraft.item.crafting.FurnaceRecipes;
import net.minecraft.item.ItemBlock;
import net.minecraft.block.BlockDirt;
import net.minecraft.entity.EntityList;
import net.minecraft.init.Blocks;
import net.minecraft.init.Items;
import net.minecraftforge.common.ForgeHooks;
import net.minecraftforge.common.MinecraftForge;

import java.util.Random;

import com.gmail.eanwowmaster.proxy.CommonProxy;

@Mod(modid=Eancraft.MODID, name="Eancraft", version="1.0")
public class Eancraft {

public static Block anvilOre = new AnvilOre(Material.rock);
public static Block eanOre = new EanOre(Material.rock);
public static CreativeTabs eancraftTab = new EancraftTabs(CreativeTabs.getNextID(), "Eancraft");
public static Item anvilSword = new AnvilSword();
public static Item sushi = new Sushi();
static final String MODID = "eancraft";

@Instance(value="EancraftMod")
public static Eancraft instance;

@SidedProxy(clientSide="com.gmail.eanwowmaster.proxy.ClientProxy", serverSide="com.gmail.eanwowmaster.proxy.CommonProxy")
public static CommonProxy proxy;

public static void registerEntity(Class entityClass, String name, int primaryColor, int secondaryColor) {
	int entityID = EntityRegistry.findGlobalUniqueEntityId();
	long seed = name.hashCode();
	EntityRegistry.registerGlobalEntityID(entityClass, name, entityID);
	EntityRegistry.registerModEntity(entityClass,  name, entityID,  instance,  64,  1,  true);
	EntityList.entityEggs.put(Integer.valueOf(entityID), new EntityList.EntityEggInfo(entityID, primaryColor, secondaryColor));
}

public void preInit(FMLPreInitializationEvent evt) {
	GameRegistry.registerBlock(anvilOre, anvilOre.getUnlocalizedName().substring(5));
	GameRegistry.registerBlock(eanOre, eanOre.getUnlocalizedName().substring(5));
	GameRegistry.registerItem(anvilSword, anvilSword.getUnlocalizedName().substring(5));
	GameRegistry.registerItem(sushi, sushi.getUnlocalizedName().substring(5));
	registerEntity(Ean.class, "ean", 5, 17);
	proxy.registerRenderers();
}

public void load(FMLInitializationEvent evt) {
	proxy.registerRenderers();
	ItemStack anvilStack = new ItemStack(Blocks.anvil);
	ItemStack ironStack = new ItemStack(Items.iron_ingot);
	ItemStack anvilSwordStack = new ItemStack(anvilSword);
	ItemStack sushiStack = new ItemStack(sushi);
	ItemStack fishStack = new ItemStack(Items.fish);
	ItemStack leafStack = new ItemStack(Blocks.leaves);

	GameRegistry.addRecipe(anvilSwordStack, "x", "x", "y", 'x', anvilStack, 'y', ironStack);
	GameRegistry.addRecipe(sushiStack, "x", "xyx", "x", 'x', fishStack, 'y', leafStack);
}	

public void postInit(FMLPostInitializationEvent evt) {
}		
}

 

 

I can't tell why it would be null. I mean, just look at this beauty! How could it ever be null?!

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ean521 Tree Puncher

ean521

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Okay, I found this in the console while it was starting up the client; I'm not sure why it can't read the image, though...:

 

 

javax.imageio.IIOException: Can't read input file!

at javax.imageio.ImageIO.read(ImageIO.java:1275) ~[?:1.6.0_45]

at net.minecraft.client.Minecraft.readImage(Minecraft.java:639) ~[Minecraft.class:?]

at net.minecraft.client.Minecraft.startGame(Minecraft.java:468) [Minecraft.class:?]

at net.minecraft.client.Minecraft.run(Minecraft.java:890) [Minecraft.class:?]

at net.minecraft.client.main.Main.main(Main.java:112) [Main.class:?]

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.6.0_45]

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) ~[?:1.6.0_45]

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) ~[?:1.6.0_45]

at java.lang.reflect.Method.invoke(Method.java:597) ~[?:1.6.0_45]

at net.minecraft.launchwrapper.Launch.launch(Launch.java:134) [launchwrapper-1.9.jar:?]

at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.9.jar:?]

 

 

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brandon3055 Diamond Finder

brandon3055

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Posted

I can tell you how i have mine set up maby it will help.

 

Use a separate class for your tab mine looks like this:

(change TolkienTab to whatever you want your tab class to be called)

 

import net.minecraft.creativetab.CreativeTabs;
import net.minecraft.item.Item;
import tolkienaddon.items.ModItems;
             
public class TolkienTab extends CreativeTabs {
public TolkienTab(final int id, final String modid) {
	super(id, modid);
}

@Override
public Item getTabIconItem()
{
	return ModItems.tclogo; //if you cant get your custom block/item to work try a vanilla block/item e.g. Items.diamond
}
}

 

And in your main class put:

private static CreativeTabs tolkienTab = new TolkienTab(CreativeTabs.getNextID(), References.MODID);

Then to add something to the tab use:

this.setCreativeTab(Tolkienaddon.getCreativeTab());

note: Tolkienaddon is the name of my main class

 

I am the author of Draconic Evolution

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ean521 Tree Puncher

ean521

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package com.gmail.eanwowmaster;

import cpw.mods.fml.common.Mod;
import cpw.mods.fml.common.Mod.EventHandler;
import cpw.mods.fml.common.Mod.Instance;
import cpw.mods.fml.common.SidedProxy;
import cpw.mods.fml.common.event.FMLInitializationEvent;
import cpw.mods.fml.common.event.FMLPostInitializationEvent;
import cpw.mods.fml.common.event.FMLPreInitializationEvent;
import cpw.mods.fml.common.registry.GameRegistry;
import cpw.mods.fml.common.registry.LanguageRegistry;
import cpw.mods.fml.common.registry.EntityRegistry;
import net.minecraft.creativetab.CreativeTabs;
import net.minecraft.block.Block;
import net.minecraft.block.material.Material;
import net.minecraft.item.ItemStack;
import net.minecraft.item.Item;
import net.minecraft.item.ItemPickaxe;
import net.minecraft.item.crafting.FurnaceRecipes;
import net.minecraft.item.ItemBlock;
import net.minecraft.block.BlockDirt;
import net.minecraft.entity.EntityList;
import net.minecraft.init.Blocks;
import net.minecraft.init.Items;
import net.minecraftforge.common.ForgeHooks;
import net.minecraftforge.common.MinecraftForge;
import java.util.Random;
import com.gmail.eanwowmaster.proxy.CommonProxy;

@Mod(modid=Eancraft.MODID, name="Eancraft", version="1.0")
public class Eancraft {

public static Block anvilOre;
public static Block eanOre;
public static Item anvilSword;
public static Item sushi;
static final String MODID = "eancraft";

@Instance(value="Eancraft")
public static Eancraft instance;

@SidedProxy(clientSide="com.gmail.eanwowmaster.proxy.ClientProxy", serverSide="com.gmail.eanwowmaster.proxy.CommonProxy")
public static CommonProxy proxy;

public static void registerEntity(Class entityClass, String name, int primaryColor, int secondaryColor) {
	int entityID = EntityRegistry.findGlobalUniqueEntityId();
	long seed = name.hashCode();
	EntityRegistry.registerGlobalEntityID(entityClass, name, entityID);
	EntityRegistry.registerModEntity(entityClass,  name, entityID,  instance,  64,  1,  true);
	EntityList.entityEggs.put(Integer.valueOf(entityID), new EntityList.EntityEggInfo(entityID, primaryColor, secondaryColor));
}

public void preInit(FMLPreInitializationEvent evt) {
	anvilOre = new AnvilOre(Material.rock);
        eanOre = new EanOre(Material.rock);
        anvilSword = new AnvilSword();
        sushi = new Sushi();
	GameRegistry.registerBlock(anvilOre, anvilOre.getUnlocalizedName().substring(5));
	GameRegistry.registerBlock(eanOre, eanOre.getUnlocalizedName().substring(5));
	GameRegistry.registerItem(anvilSword, anvilSword.getUnlocalizedName().substring(5));
	GameRegistry.registerItem(sushi, sushi.getUnlocalizedName().substring(5));
	registerEntity(Ean.class, "ean", 5, 17);
	proxy.registerRenderers();
}

public void load(FMLInitializationEvent evt) {
	proxy.registerRenderers();
	ItemStack anvilStack = new ItemStack(Blocks.anvil);
	ItemStack ironStack = new ItemStack(Items.iron_ingot);
	ItemStack anvilSwordStack = new ItemStack(anvilSword);
	ItemStack sushiStack = new ItemStack(sushi);
	ItemStack fishStack = new ItemStack(Items.fish);
	ItemStack leafStack = new ItemStack(Blocks.leaves);

	GameRegistry.addRecipe(anvilSwordStack, "x", "x", "y", 'x', anvilStack, 'y', ironStack);
	GameRegistry.addRecipe(sushiStack, "x", "xyx", "x", 'x', fishStack, 'y', leafStack);
}	

public void postInit(FMLPostInitializationEvent evt) {
}		
}

 

 

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ean521 Tree Puncher

ean521

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That seemed to be the problem... Now I'm getting a NullPointerException at

cpw.mods.fml.common.registry.EntityRegistry.doModEntityRegistration(/*whatever parameters are here*/)

 

It still can't read the file for some reason. I can probably fix the NullPointerException, though.

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darty11 Creeper Killer

darty11

Posted
Posted

I just decided to use the Vanilla tabs for my items, but if you can fix this, please tell me!

 

	public static Block anvilOre = new AnvilOre(Material.rock);
public static Block eanOre = new EanOre(Material.rock);
public static CreativeTabs eancraftTab = new EancraftTabs(CreativeTabs.getNextID(), "Eancraft");

Although EanOre is defined here, it is not registered, and is exactly the same as what you had before.

 

I have no experience with creative tabs, but try this:

public static Block anvilOre;
public static Block eanOre;

 

@EventHandle
public void preInit(FMLPreInitializationEvent evt) {

        eanOre = new EanOre(Material.rock);
        GameRegistry.registerBlock(eanOre, eanOre.getUnlocalizedName().substring(5));
        eancraftTab = new EancraftTabs(CreativeTabs.getNextID(), "Eancraft");
        eanOre.setCreativeTab(eancraftTab);
        anvilOre = new AnvilOre(Material.rock);
        anvilSword = new AnvilSword();
        sushi = new Sushi();
	GameRegistry.registerBlock(anvilOre, anvilOre.getUnlocalizedName().substring(5));

	GameRegistry.registerItem(anvilSword, anvilSword.getUnlocalizedName().substring(5));
	GameRegistry.registerItem(sushi, sushi.getUnlocalizedName().substring(5));
	registerEntity(Ean.class, "ean", 5, 17);
	proxy.registerRenderers();

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[03Jun2024 15:23:43.162] [main/INFO] [mixin/]: SpongePowered MIXIN Subsystem Version=0.8.5 Source=union:/C:/Users/London%20Bunden/AppData/Roaming/.minecraft/mods/Connector-1.0.0-beta.43+1.20.1.jar%23266%23270!/ Service=ModLauncher Env=CLIENT [03Jun2024 15:23:44.312] [main/WARN] [net.minecraftforge.fml.loading.moddiscovery.ModFileParser/LOADING]: Mod file C:\Users\London Bunden\AppData\Roaming\.minecraft\libraries\net\minecraftforge\fmlcore\1.20.1-47.2.32\fmlcore-1.20.1-47.2.32.jar is missing mods.toml file [03Jun2024 15:23:44.317] [main/WARN] [net.minecraftforge.fml.loading.moddiscovery.ModFileParser/LOADING]: Mod file C:\Users\London Bunden\AppData\Roaming\.minecraft\libraries\net\minecraftforge\javafmllanguage\1.20.1-47.2.32\javafmllanguage-1.20.1-47.2.32.jar is missing mods.toml file [03Jun2024 15:23:44.323] [main/WARN] [net.minecraftforge.fml.loading.moddiscovery.ModFileParser/LOADING]: Mod file C:\Users\London Bunden\AppData\Roaming\.minecraft\libraries\net\minecraftforge\lowcodelanguage\1.20.1-47.2.32\lowcodelanguage-1.20.1-47.2.32.jar is missing mods.toml file [03Jun2024 15:23:44.329] [main/WARN] [net.minecraftforge.fml.loading.moddiscovery.ModFileParser/LOADING]: Mod file C:\Users\London Bunden\AppData\Roaming\.minecraft\libraries\net\minecraftforge\mclanguage\1.20.1-47.2.32\mclanguage-1.20.1-47.2.32.jar is missing mods.toml file [03Jun2024 15:23:44.862] [main/WARN] [net.minecraftforge.jarjar.selection.JarSelector/]: Attempted to select two dependency jars from JarJar which have the same identification: Mod File:  and Mod File: . Using Mod File:  [03Jun2024 15:23:44.864] [main/WARN] [net.minecraftforge.jarjar.selection.JarSelector/]: Attempted to select a dependency jar for JarJar which was passed in as source: curios. Using Mod File: C:\Users\London Bunden\AppData\Roaming\.minecraft\mods\curios-forge-5.9.1+1.20.1.jar [03Jun2024 15:23:44.864] [main/INFO] [net.minecraftforge.fml.loading.moddiscovery.JarInJarDependencyLocator/]: Found 75 dependencies adding them to mods collection [03Jun2024 15:23:49.089] [main/INFO] [gg.essential.loader.stage2.util.KFFMerger/]: Found Kotlin-containing mod Jar[union:/C:/Users/London%20Bunden/AppData/Roaming/.minecraft/essential/libraries/forge_1.20.1/kotlin-for-forge-4.3.0-slim.jar%23280!/], checking whether we need to upgrade it.. [03Jun2024 15:23:49.091] [main/INFO] [gg.essential.loader.stage2.util.KFFMerger/]: Found outdated Kotlin core libs 0.0.0 (we ship 1.9.23) [03Jun2024 15:23:49.092] [main/INFO] [gg.essential.loader.stage2.util.KFFMerger/]: Found outdated Kotlin Coroutines libs 0.0.0 (we ship 1.8.0) [03Jun2024 15:23:49.092] [main/INFO] [gg.essential.loader.stage2.util.KFFMerger/]: Found outdated Kotlin Serialization libs 0.0.0 (we ship 1.6.3) [03Jun2024 15:23:49.095] [main/INFO] [gg.essential.loader.stage2.util.KFFMerger/]: Generating jar with updated Kotlin at C:\Users\LONDON~1\AppData\Local\Temp\kff-updated-kotlin-14765634657383373807-4.3.0-slim.jar [03Jun2024 15:23:49.974] [main/ERROR] [net.minecraftforge.fml.loading.LanguageLoadingProvider/LOADING]: Missing language kotlinforforge version [3,) wanted by Cobblemon-forge-1.5.2+1.20.1.jar [03Jun2024 15:23:49.989] [main/ERROR] [net.minecraftforge.fml.loading.ModSorter/LOADING]: Missing or unsupported mandatory dependencies:     Mod ID: 'curios', Requested by: 'radiantgear', Expected range: '[7,)', Actual version: '5.9.1+1.20.1'     Mod ID: 'minecraft', Requested by: 'radiantgear', Expected range: '[1.20.5,1.21)', Actual version: '1.20.1'     Mod ID: 'forge', Requested by: 'radiantgear', Expected range: '[50,)', Actual version: '47.2.32' [03Jun2024 15:23:50.434] [main/INFO] [dev.su5ed.sinytra.connector.service.hacks.ModuleLayerMigrator/]: Successfully made module authlib transformable [03Jun2024 15:23:51.112] [main/ERROR] [dev.su5ed.sinytra.connector.loader.ConnectorEarlyLoader/]: Skipping early mod setup due to previous error [03Jun2024 15:23:51.115] [main/INFO] [cpw.mods.modlauncher.LaunchServiceHandler/MODLAUNCHER]: Launching target 'forgeclient' with arguments [--version, 1.20.1-forge-47.2.32, --gameDir, C:\Users\London Bunden\AppData\Roaming\.minecraft, --assetsDir, C:\Users\London Bunden\AppData\Roaming\.minecraft\assets, --uuid, da3510f9b4b4427bb78304c88f4c534a, --username, LondonDumbden, --assetIndex, 5, --accessToken, ????????, --clientId, ZTIxMjA2NTctYmIxZS00ZWQzLWFkZDEtMmMxMGQzMjQyNjBj, --xuid, 2535420262661734, --userType, msa, --versionType, release, --quickPlayPath, C:\Users\London Bunden\AppData\Roaming\.minecraft\quickPlay\java\1717446216838.json]  
    • KyotoGY
      error when downloading Forge Installer files

      By KyotoGY · Posted

      When I try to install the forge installer it comes with several files instead of just one in executable java format
    • Kaan11
      How to display content of Container

      By Kaan11 · Posted

      0 I have recently started with Java and the implementation of Minecraft mods. I am currently working on a mod for 1.20.4-49.0.31 I'm trying to get the content of each slot in the console to be displayed when the inventory is opened, which works. In addition, I wanted to do the same with chests (in this case containers). However, I get in the output that there is Air at every slot of the chest, even if the chest is filled. Does anyone have experience with similar problems and could help me? package net.kaan.sortingmod; import net.minecraft.client.Minecraft; import net.minecraft.client.gui.screens.Screen; import net.minecraft.client.gui.screens.inventory.AbstractContainerScreen; import net.minecraft.client.gui.screens.inventory.InventoryScreen; import net.minecraft.client.gui.screens.inventory.ContainerScreen; import net.minecraft.client.gui.screens.inventory.FurnaceScreen; import net.minecraft.world.entity.player.Player; import net.minecraft.world.inventory.AbstractContainerMenu; import net.minecraft.world.inventory.InventoryMenu; import net.minecraft.world.item.ItemStack; import net.minecraftforge.api.distmarker.Dist; import net.minecraftforge.client.event.ScreenEvent; import net.minecraftforge.common.MinecraftForge; import net.minecraftforge.eventbus.api.SubscribeEvent; import net.minecraftforge.fml.common.Mod; import net.minecraftforge.fml.event.lifecycle.FMLClientSetupEvent; import net.minecraftforge.fml.javafmlmod.FMLJavaModLoadingContext; @Mod(SortingMod.MODID) public class SortingMod { public static final String MODID = "sortingmod"; public SortingMod() { // Register the client setup method FMLJavaModLoadingContext.get().getModEventBus().addListener(this::doClientStuff); // Register this class for Forge events MinecraftForge.EVENT_BUS.register(this); } private void doClientStuff(final FMLClientSetupEvent event) { // Any client-side setup can be done here } @SubscribeEvent public void onScreenOpen(ScreenEvent.Opening event) { Screen screen = event.getScreen(); if (screen instanceof InventoryScreen) { System.out.println("Player opened their inventory."); assert Minecraft.getInstance().player != null; printInventoryItems(Minecraft.getInstance().player); } else if (screen instanceof ContainerScreen) { System.out.println("Player opened a chest."); printContainerItems((ContainerScreen) screen); } } private void printInventoryItems(Player player) { AbstractContainerMenu menu = player.inventoryMenu; for (int i = 0; i < menu.slots.size(); i++) { ItemStack stack = menu.getSlot(i).getItem(); if (!stack.isEmpty()) { System.out.println("Slot " + i + ": " + stack.getCount() + "x " + stack.getHoverName().getString()); } } } private void printContainerItems(ContainerScreen screen) { AbstractContainerMenu menu = screen.getMenu(); System.out.println(menu.slots.size()); for (int i = 0; i < menu.slots.size(); i++) { ItemStack stack = menu.getSlot(i).getItem(); System.out.println("Slot " + i + ": " + stack.getCount() + "x " + stack.getHoverName().getString()); } } }  
    • DroidCrafter23
      Adding a tool without a recipe

      By DroidCrafter23 · Posted

      I am wanting to add an axe to my mod though I do not want it to have a recipe, the reason for this being that I want you to only be able to find it in a structure. I have looked on both here and elsewhere on the internet and have found nothing... How would this be done?    (Video for reference.)    
    • TileEntity
      Im trying to add server to gfs computer but on her pc its not working

      By TileEntity · Posted

      Make a test without amendments

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