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[1.8] Explosion particles not visible?


DonkeyCore

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Sorry for posting again so soon, but I have another problem.

I have a bomb block that causes an explosion based on redstone signals / time settings. It works fine, but the explosion particles (EXPLOSION_LARGE / EXPLOSION_HUGE) do not appear. I have a subclass of explosion that I'm using, but it works virtually the same way. Here is the method used to summon the explosion:

	public static final FusionExplosion createFusionExplosion(World w, double x, double y, double z, float size, boolean fire, boolean smoke, boolean strong) {
	FusionExplosion explosion = new FusionExplosion(w, null, x, y, z, size, fire, smoke, strong);
	if (ForgeEventFactory.onExplosionStart(w, explosion))
		return explosion;
	explosion.doExplosionA();
	explosion.doExplosionB(true);
	return explosion;
}

Here is FusionExplosion.class:

package donkeycore.fusion;

import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Random;

import net.minecraft.block.Block;
import net.minecraft.block.material.Material;
import net.minecraft.block.state.IBlockState;
import net.minecraft.enchantment.EnchantmentProtection;
import net.minecraft.entity.Entity;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.util.AxisAlignedBB;
import net.minecraft.util.BlockPos;
import net.minecraft.util.EnumParticleTypes;
import net.minecraft.util.MathHelper;
import net.minecraft.util.Vec3;
import net.minecraft.world.Explosion;
import net.minecraft.world.World;
import net.minecraftforge.event.ForgeEventFactory;

import com.google.common.collect.Maps;
import com.google.common.collect.Sets;

public class FusionExplosion extends Explosion {

private final boolean f;
private final boolean s;
private final Random r;
private final World w;
private final double x;
private final double y;
private final double z;
private final Entity e;
private final float size;
private final List<Object> blocks;
private final Map<Object, Object> map;
private final boolean strong;

public FusionExplosion(World w, Entity e, double x, double y, double z, float size, List<Object> l) {
	this(w, e, x, y, z, size, false, true, l);
}

public FusionExplosion(World w, Entity e, double x, double y, double z, float size, boolean f, boolean s, List<Object> l) {
	this(w, e, x, y, z, size, f, s, false);
	blocks.addAll(l);
}

public FusionExplosion(World w, Entity e, double x, double y, double z, float size, boolean f, boolean s, boolean strong) {
	super(w, e, x, y, z, size, f, s);
	this.r = new Random();
	this.blocks = com.google.common.collect.Lists.newArrayList();
	this.map = Maps.newHashMap();
	this.w = w;
	this.e = e;
	this.size = size;
	this.x = x;
	this.y = y;
	this.z = z;
	this.f = f;
	this.s = s;
	this.strong = strong;
}

@SuppressWarnings({"unchecked", "rawtypes"})
public void doExplosionA() {
	HashSet<Object> hashset = Sets.newHashSet();
	for(int i = 0; i < 16; i++) {
		for(int j = 0; j < 16; j++) {
			for(int k = 0; k < 16; k++) {
				if ((i == 0) || (i == 15) || (j == 0) || (j == 15) || (k == 0) || (k == 15)) {
					double d0 = i / 15.0F * 2.0F - 1.0F;
					double d1 = j / 15.0F * 2.0F - 1.0F;
					double d2 = k / 15.0F * 2.0F - 1.0F;
					double d3 = Math.sqrt(d0 * d0 + d1 * d1 + d2 * d2);
					d0 /= d3;
					d1 /= d3;
					d2 /= d3;
					float f = this.size * (0.7F + this.w.rand.nextFloat() * 0.6F);
					double d4 = this.x;
					double d6 = this.y;
					double d8 = this.z;
					for(; f > 0.0F; f -= 0.22500001F) {
						BlockPos blockpos = new BlockPos(d4, d6, d8);
						IBlockState iblockstate = this.w.getBlockState(blockpos);
						if (iblockstate.getBlock().getMaterial() != Material.air) {
							float f2 = this.e != null ? this.e.getExplosionResistance(this, this.w, blockpos, iblockstate) : iblockstate.getBlock().getExplosionResistance(this.w, blockpos, (Entity) null, this);
							f -= (f2 + 0.3F) * 0.3F;
						}
						if ((f > 0.0F) && ((this.e == null) || (this.e.func_174816_a(this, this.w, blockpos, iblockstate, f)))) {
							hashset.add(blockpos);
						}
						d4 += d0 * 0.30000001192092896D;
						d6 += d1 * 0.30000001192092896D;
						d8 += d2 * 0.30000001192092896D;
					}
				}
			}
		}
	}
	this.blocks.addAll(hashset);
	float f3 = this.size * 2.0F;
	int j = MathHelper.floor_double(this.x - f3 - 1.0D);
	int k = MathHelper.floor_double(this.x + f3 + 1.0D);
	int j1 = MathHelper.floor_double(this.y - f3 - 1.0D);
	int l = MathHelper.floor_double(this.y + f3 + 1.0D);
	int k1 = MathHelper.floor_double(this.z - f3 - 1.0D);
	int i1 = MathHelper.floor_double(this.z + f3 + 1.0D);
	List list = this.w.getEntitiesWithinAABBExcludingEntity(this.e, new AxisAlignedBB(j, j1, k1, k, l, i1));
	ForgeEventFactory.onExplosionDetonate(this.w, this, list, f3);
	Vec3 vec3 = new Vec3(this.x, this.y, this.z);
	for(int l1 = 0; l1 < list.size(); l1++) {
		Entity entity = (Entity) list.get(l1);
		if (!entity.func_180427_aV()) {
			double d12 = entity.getDistance(this.x, this.y, this.z) / f3;
			if (d12 <= 1.0D) {
				double d5 = entity.posX - this.x;
				double d7 = entity.posY + entity.getEyeHeight() - this.y;
				double d9 = entity.posZ - this.z;
				double d13 = MathHelper.sqrt_double(d5 * d5 + d7 * d7 + d9 * d9);
				if (d13 != 0.0D) {
					d5 /= d13;
					d7 /= d13;
					d9 /= d13;
					double d14 = this.w.getBlockDensity(vec3, entity.getEntityBoundingBox());
					double d10 = (1.0D - d12) * d14;
					entity.attackEntityFrom((strong ? Fusion.sourceStrongRadiation : Fusion.sourceRadiation), (int) ((d10 * d10 + d10) / 2.0D * 8.0D * f3 + 1.0D));
					double d11 = EnchantmentProtection.func_92092_a(entity, d10);
					entity.motionX += d5 * d11;
					entity.motionY += d7 * d11;
					entity.motionZ += d9 * d11;
					if ((entity instanceof EntityPlayer)) {
						this.map.put((EntityPlayer) entity, new Vec3(d5 * d10, d7 * d10, d9 * d10));
					}
				}
			}
		}
	}
}

public void doExplosionB(boolean b) {
	this.w.playSoundEffect(this.x, this.y, this.z, "random.explode", 4.0F, (1.0F + (this.w.rand.nextFloat() - this.w.rand.nextFloat()) * 0.2F) * 0.7F);
	if ((this.size >= 2.0F) && (this.s))
		this.w.spawnParticle(EnumParticleTypes.EXPLOSION_HUGE, this.x, this.y, this.z, 1.0D, 0.0D, 0.0D, new int[0]);
	else
		this.w.spawnParticle(EnumParticleTypes.EXPLOSION_LARGE, this.x, this.y, this.z, 1.0D, 0.0D, 0.0D, new int[0]);
	if (this.s) {
		Iterator<Object> iterator = this.blocks.iterator();
		while(iterator.hasNext()) {
			BlockPos blockpos = (BlockPos) iterator.next();
			Block block = this.w.getBlockState(blockpos).getBlock();
			if (b) {
				double d0 = blockpos.getX() + this.w.rand.nextFloat();
				double d1 = blockpos.getY() + this.w.rand.nextFloat();
				double d2 = blockpos.getZ() + this.w.rand.nextFloat();
				double d3 = d0 - this.x;
				double d4 = d1 - this.y;
				double d5 = d2 - this.z;
				double d6 = MathHelper.sqrt_double(d3 * d3 + d4 * d4 + d5 * d5);
				d3 /= d6;
				d4 /= d6;
				d5 /= d6;
				double d7 = 0.5D / (d6 / this.size + 0.1D);
				d7 *= (this.w.rand.nextFloat() * this.w.rand.nextFloat() + 0.3F);
				d3 *= d7;
				d4 *= d7;
				d5 *= d7;
				this.w.spawnParticle(EnumParticleTypes.EXPLOSION_NORMAL, (d0 + this.x * 1.0D) / 2.0D, (d1 + this.y * 1.0D) / 2.0D, (d2 + this.z * 1.0D) / 2.0D, d3, d4, d5, new int[0]);
				this.w.spawnParticle(EnumParticleTypes.SMOKE_NORMAL, d0, d1, d2, d3, d4, d5, new int[0]);
			}
			if (block.getMaterial() != Material.air) {
				if (block.canDropFromExplosion(this))
					block.dropBlockAsItemWithChance(this.w, blockpos, this.w.getBlockState(blockpos), 1.0F / this.size, 0);
				block.onBlockExploded(this.w, blockpos, this);
			}
		}
	}
	if (this.f) {
		Iterator<Object> iterator = this.blocks.iterator();
		while(iterator.hasNext()) {
			BlockPos blockpos = (BlockPos) iterator.next();
			if ((this.w.getBlockState(blockpos).getBlock().getMaterial() == Material.air) && (this.w.getBlockState(blockpos.down()).getBlock().isFullBlock()) && (this.r.nextInt(3) == 0))
				this.w.setBlockState(blockpos, net.minecraft.init.Blocks.fire.getDefaultState());
		}
	}
}
}

And here is FusionBomb.class, which calls the first method to create the explosion:

package donkeycore.fusion.blocks;

import net.minecraft.block.Block;
import net.minecraft.block.material.Material;
import net.minecraft.block.state.IBlockState;
import net.minecraft.client.Minecraft;
import net.minecraft.client.resources.model.ModelResourceLocation;
import net.minecraft.entity.EntityLivingBase;
import net.minecraft.init.Blocks;
import net.minecraft.init.Items;
import net.minecraft.item.ItemStack;
import net.minecraft.util.BlockPos;
import net.minecraft.util.EnumFacing;
import net.minecraft.world.Explosion;
import net.minecraft.world.World;
import net.minecraftforge.fml.common.registry.GameRegistry;
import net.minecraftforge.fml.relauncher.Side;
import donkeycore.fusion.Fusion;
import donkeycore.fusion.IFusionObject;

public class FusionBomb extends Block implements IFusionObject {

public static final String name = "fusion_bomb";

public FusionBomb() {
	super(Material.tnt);
	setHarvestLevel(null, 0);
	setStepSound(Block.soundTypeMetal);
	setHardness(2F);
	setLightLevel(1F);
	setCreativeTab(Fusion.tabFusion);
	setUnlocalizedName(name);
}

@Override
public void onBlockDestroyedByExplosion(World w, BlockPos p, Explosion e) {
	explode(w, p);
}

@Override
public IBlockState onBlockPlaced(World w, BlockPos p, EnumFacing f, float hitx, float hity, float hitz, int meta, EntityLivingBase e) {
	if (w.isBlockIndirectlyGettingPowered(p) > 0) {
		explode(w, p);
		w.notifyNeighborsOfStateChange(p, this);
	}
	return super.onBlockPlaced(w, p, f, hitx, hity, hitz, meta, e);
}

@Override
public void onNeighborBlockChange(World w, BlockPos p, IBlockState s, Block b) {
	if (w.isBlockIndirectlyGettingPowered(p) > 0) {
		explode(w, p);
		w.notifyNeighborsOfStateChange(p, this);
	}
}

public static void explode(World w, BlockPos p) {
	if(!w.isRemote)
		Fusion.createFusionExplosion(w, p.getX(), p.getY(), p.getZ(), 6F, true, true, true);
}

@Override
public void preinit() {
	GameRegistry.registerBlock(this, name);
	GameRegistry.addShapedRecipe(new ItemStack(this), "RAR", "FTF", "RAR", 'F', Fusion.getItemFromId("fusion_ingot"), 'A', Fusion.getItemFromId("active_fusion_ingot"), 'T', Blocks.tnt, 'R', Items.redstone);
	GameRegistry.addShapedRecipe(new ItemStack(this), "RFR", "ATA", "RFR", 'F', Fusion.getItemFromId("fusion_ingot"), 'A', Fusion.getItemFromId("active_fusion_ingot"), 'T', Blocks.tnt, 'R', Items.redstone);
}

@Override
public void init() {
	if (Fusion.SIDE == Side.CLIENT)
		Minecraft.getMinecraft().getRenderItem().getItemModelMesher().register(GameRegistry.findItem(Fusion.MODID, name), 0, new ModelResourceLocation(Fusion.MODID + ":" + name, "inventory"));
}
}

And yes, it is shown that I checked !World.isRemote before creating the explosion. I'm stumped, thanks in advance.

 

Edit: Added [1.8] prefix

~DonkeyCore

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Hi

 

>And yes, it is shown that I checked !World.isRemote before creating the explosion. I'm stumped, thanks in advance.

ironic really :)    In this case the explosion needs to execute on both client and server. You can tell this if you put a breakpoint in the vanilla doExplosionB - it breaks twice, once on server thread, once on client thread.  Particle spawning does nothing on the server, which is why you don't see anything.

 

-TGG

 

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Hmmm that's curious

 

Try putting a breakpoint here

 

public void doExplosionB(boolean b) {

this.w.playSoundEffect(this.x, this.y, this.z, "random.explode", 4.0F, (1.0F + (this.w.rand.nextFloat() - this.w.rand.nextFloat()) * 0.2F) * 0.7F);

if ((this.size >= 2.0F) && (this.s))  // HERE

 

and seeing whether it calls triggered on both the client and the server threads.

 

-TGG

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That's okay. Your help was wonderful nonetheless.

 

In other words, I'm slightly closer to figuring out the problem. In this class:

package donkeycore.fusion.blocks;

import net.minecraft.block.Block;
import net.minecraft.block.material.Material;
import net.minecraft.block.state.IBlockState;
import net.minecraft.client.Minecraft;
import net.minecraft.client.resources.model.ModelResourceLocation;
import net.minecraft.entity.EntityLivingBase;
import net.minecraft.init.Blocks;
import net.minecraft.init.Items;
import net.minecraft.item.ItemStack;
import net.minecraft.util.BlockPos;
import net.minecraft.util.EnumFacing;
import net.minecraft.world.Explosion;
import net.minecraft.world.World;
import net.minecraftforge.fml.common.registry.GameRegistry;
import net.minecraftforge.fml.relauncher.Side;
import donkeycore.fusion.Fusion;
import donkeycore.fusion.IFusionObject;

public class FusionBomb extends Block implements IFusionObject {

public static final String name = "fusion_bomb";

public FusionBomb() {
	super(Material.tnt);
	setHarvestLevel(null, 0);
	setStepSound(Block.soundTypeMetal);
	setHardness(2F);
	setLightLevel(1F);
	setCreativeTab(Fusion.tabFusion);
	setUnlocalizedName(name);
}

@Override
public void onBlockDestroyedByExplosion(World w, BlockPos p, Explosion e) {
	explode(w, p);
}

@Override
public IBlockState onBlockPlaced(World w, BlockPos p, EnumFacing f, float hitx, float hity, float hitz, int meta, EntityLivingBase e) {
	Fusion.info(w.getClass().getSimpleName());
	if (w.isBlockIndirectlyGettingPowered(p) > 0) {
		Fusion.info("Passing: " + w.getClass().getSimpleName());
		explode(w, p);
		w.notifyNeighborsOfStateChange(p, this);
		return Blocks.air.getDefaultState();
	}
	return super.onBlockPlaced(w, p, f, hitx, hity, hitz, meta, e);
}

@Override
public void onNeighborBlockChange(World w, BlockPos p, IBlockState s, Block b) {
	Fusion.info(w.getClass().getSimpleName());
	if (w.isBlockIndirectlyGettingPowered(p) > 0) {
		Fusion.info("Passing: " + w.getClass().getSimpleName());
		explode(w, p);
		w.notifyNeighborsOfStateChange(p, this);
	}
}

public static void explode(World w, BlockPos p) {
	Fusion.createFusionExplosion(w, p.getX(), p.getY(), p.getZ(), 6F, true, true, true);
}

@Override
public void preinit() {
	GameRegistry.registerBlock(this, name);
	GameRegistry.addShapedRecipe(new ItemStack(this), "RAR", "FTF", "RAR", 'F', Fusion.getItemFromId("fusion_ingot"), 'A', Fusion.getItemFromId("active_fusion_ingot"), 'T', Blocks.tnt, 'R', Items.redstone);
	GameRegistry.addShapedRecipe(new ItemStack(this), "RFR", "ATA", "RFR", 'F', Fusion.getItemFromId("fusion_ingot"), 'A', Fusion.getItemFromId("active_fusion_ingot"), 'T', Blocks.tnt, 'R', Items.redstone);
}

@Override
public void init() {
	if (Fusion.SIDE == Side.CLIENT)
		Minecraft.getMinecraft().getRenderItem().getItemModelMesher().register(GameRegistry.findItem(Fusion.MODID, name), 0, new ModelResourceLocation(Fusion.MODID + ":" + name, "inventory"));
}
}

 

You can see I have a couple methods that call explode(). I have 2 of them set to tell me what world was being passed in. In onBlockPlaced, I noticed that it says:

[09:18:24] [Client thread/INFO] [FML]: [Fusion] WorldClient
[09:18:24] [Client thread/INFO] [FML]: [Fusion] Passing: WorldClient
[09:18:24] [server thread/INFO] [FML]: [Fusion] WorldServer
[09:18:24] [server thread/INFO] [FML]: [Fusion] Passing: WorldServer

 

If I place a redstone torch THEN my custom block, it works perfectly and the explosion particles are clearly visible! However, you can see onNeighborBlockChange which displays:

 

[09:18:59] [Client thread/INFO] [FML]: [Fusion] WorldClient
[09:18:59] [server thread/INFO] [FML]: [Fusion] WorldServer
[09:19:00] [server thread/INFO] [FML]: [Fusion] WorldServer
[09:19:00] [server thread/INFO] [FML]: [Fusion] Passing: WorldServer
[09:19:00] [server thread/INFO] [FML]: [Fusion] WorldServer
[09:19:00] [server thread/INFO] [FML]: [Fusion] Passing: WorldServer
[09:19:00] [server thread/INFO] [FML]: [Fusion] WorldServer
[09:19:00] [server thread/INFO] [FML]: [Fusion] WorldServer

 

Which clearly does not seem to work properly. Only WorldServer is getting passed in for some reason, but the calls that the method makes is nearly identical to that of onBlockPlaced... hmm.....

~DonkeyCore

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    • Wait guys, I still don't don't understand... I shall send my code -- Define the function to decrease hunger local function decreaseHunger(player)     local currentHunger = player.getHunger()          -- Check if hunger is not already zero     if currentHunger > 0 then         player.setHunger(currentHunger - 1)     end end -- Register event to decrease hunger over time script.registerEvent(EntityPlayer, function(player)     while true do         -- Decrease hunger every few seconds         decreaseHunger(player)         script.sleep(1000) -- Sleep for 1 second     end end)     Any help appriecated. It's been a while since I learnt Javascript or whatever Minecraft is made with... ... ... ... Nicknotname Hungerinpeaceful xx
    • good days  i get this error: java.lang.ClassCastException: class net.minecraft.client.player.LocalPlayer cannot be cast to class net.minecraftforge.common.extensions.IForgeServerPlayer (net.minecraft.client.player.LocalPlayer is in module minecraft@1.20.4 of loader 'TRANSFORMER' @3e8b3b79; net.minecraftforge.common.extensions.IForgeServerPlayer is in module forge@49.0.26 of loader 'TRANSFORMER' @3e8b3b79)     at mercmod.blocks.classes.panel_whit_entity_inside.use(panel_whit_entity_inside.java:576) ~[main/:?] {re:classloading}     at net.minecraft.world.level.block.state.BlockBehaviour$BlockStateBase.use(BlockBehaviour.java:826) ~[forge-1.20.4-49.0.26_mapped_official_1.20.4-recomp.jar:?] {re:classloading}     at net.minecraft.client.multiplayer.MultiPlayerGameMode.performUseItemOn(MultiPlayerGameMode.java:324) ~[forge-1.20.4-49.0.26_mapped_official_1.20.4-recomp.jar:?] {re:classloading,pl:runtimedistcleaner:A}     at net.minecraft.client.multiplayer.MultiPlayerGameMode.lambda$useItemOn$4(MultiPlayerGameMode.java:292) ~[forge-1.20.4-49.0.26_mapped_official_1.20.4-recomp.jar:?] {re:classloading,pl:runtimedistcleaner:A}     at net.minecraft.client.multiplayer.MultiPlayerGameMode.startPrediction(MultiPlayerGameMode.java:251) ~[forge-1.20.4-49.0.26_mapped_official_1.20.4-recomp.jar:?] {re:classloading,pl:runtimedistcleaner:A}     at net.minecraft.client.multiplayer.MultiPlayerGameMode.useItemOn(MultiPlayerGameMode.java:291) ~[forge-1.20.4-49.0.26_mapped_official_1.20.4-recomp.jar:?] {re:classloading,pl:runtimedistcleaner:A}     at net.minecraft.client.Minecraft.startUseItem(Minecraft.java:1799) ~[forge-1.20.4-49.0.26_mapped_official_1.20.4-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}     at net.minecraft.client.Minecraft.handleKeybinds(Minecraft.java:2083) ~[forge-1.20.4-49.0.26_mapped_official_1.20.4-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}     at net.minecraft.client.Minecraft.tick(Minecraft.java:1902) ~[forge-1.20.4-49.0.26_mapped_official_1.20.4-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}     at net.minecraft.client.Minecraft.runTick(Minecraft.java:1216) ~[forge-1.20.4-49.0.26_mapped_official_1.20.4-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}     at net.minecraft.client.Minecraft.run(Minecraft.java:801) ~[forge-1.20.4-49.0.26_mapped_official_1.20.4-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}     at net.minecraft.client.main.Main.main(Main.java:234) ~[forge-1.20.4-49.0.26_mapped_official_1.20.4-recomp.jar:?] {re:classloading,pl:runtimedistcleaner:A} ------------------------------------------------------------------------------------------------------------------   context:  im updating the briefcase from mi mod an i need to make a gui whit this image that gonna be launched from a block and from a item soo im using kapenjoe tutorials  ---------------------------------------------------------------------------------------- The problem is that tutorial is for 1.20.1 and im using 1.20.4 and i really dont get how to call and open the gui from the block nor from the item i made this based on post i made short ago everything seems find but when right click the block to open the gui it crash the game  @Override public InteractionResult use(BlockState blkstate, Level warudo, BlockPos pos, Player pe, InteractionHand hand, BlockHitResult hitresult) {     if(warudo.isClientSide()){         BlockEntity blkentity = warudo.getBlockEntity(pos);         if(blkentity instanceof Panel_BlockEntity){             //   ↓↓↓  open the menu from the block              IForgeServerPlayer ifpe = (IForgeServerPlayer)pe; //<--- this is wrong  "class net.minecraft.client.player.LocalPlayer cannot be cast to class net.minecraftforge.common.extensions.IForgeServerPlayer"             ifpe.openMenu( (Panel_BlockEntity) blkentity, pos ); //<-- i need an example of how open a gui in 1.20.4         }     } return InteractionResult.sidedSuccess(warudo.isClientSide()); } Theres nothing highlighted in red in the code like everything where right an possible but dont works  ####################################################################################################### i need to see an example, just the piece of code for the use() method of the block whit the block entity for 1.20.4  and the same  but for the item     @Override     public @NotNull InteractionResultHolder<ItemStack> use(@NotNull Level warudo, @NotNull Player pe, @NotNull InteractionHand interactionHand)     {         if (!warudo.isClientSide())         {             ItemStack heldItem = pe.getItemInHand(interactionHand);                          if (heldItem.getCapability(ForgeCapabilities.ITEM_HANDLER).isPresent())             {                 //   ↓↓↓  open the menu from the item                 NetworkHooks.openScreen((ServerPlayer) pe, this);             }         }         return super.use(warudo, pe, interactionHand);     }   thanks for your attention           
    • It depends on the data you want to save, but generally speaking you should use some custom Player Capabilities, attach to the Player and use them to store/retrieve any kind of data you want. You can find how to make them work for 1.20.x in the documentation here: https://docs.minecraftforge.net/en/latest/datastorage/capabilities/
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