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Change the fuel variable in the holding-item only

Posted January 22, 20223 yr

Hello everyone,

I need help with my code. I want to make drills that consume fuel. At first I wanted to use the damage bar, but then I decided to use tooltips to show the amount of fuel. And here is my problem: I created a variable that is the amount of fuel. But when I use a drill, ALL the drills consume fuel instead of just the one. I know that this happens because I reduce the fuel for all drills with "fuel--;"(static context). How could I relate the consumption to the one that actually uses the fuel?

The DrillsClass:

package net.the_goldbeards.lootdebugs.Items.Weapons.Drills;

import net.minecraft.core.BlockPos;
import net.minecraft.network.chat.Component;
import net.minecraft.network.chat.TextComponent;
import net.minecraft.network.chat.TranslatableComponent;
import net.minecraft.sounds.SoundSource;
import net.minecraft.tags.BlockTags;
import net.minecraft.tags.Tag;
import net.minecraft.util.Mth;
import net.minecraft.world.InteractionHand;
import net.minecraft.world.InteractionResult;
import net.minecraft.world.InteractionResultHolder;
import net.minecraft.world.entity.EquipmentSlot;
import net.minecraft.world.entity.LivingEntity;
import net.minecraft.world.entity.player.Player;
import net.minecraft.world.item.*;
import net.minecraft.world.item.context.UseOnContext;
import net.minecraft.world.level.ItemLike;
import net.minecraft.world.level.Level;
import net.minecraft.world.level.block.Block;
import net.minecraft.world.level.block.Blocks;
import net.minecraft.world.level.block.TorchBlock;
import net.minecraft.world.level.block.state.BlockState;
import net.minecraftforge.common.Tags;
import net.the_goldbeards.lootdebugs.util.ModSounds;
import net.the_goldbeards.lootdebugs.util.ModTags;


import javax.annotation.Nullable;
import java.util.List;

public class DrillsItem extends Item
{
//All fuel sync
public int MAXFUEL = 320 * 2;//320 Blöcke Max * height drills
public int FUEL = 120;//Default Fuel

public float MAXFUELDISPLAY = 44; // 44L
public float FUELDISPLAY = this.MAXFUELDISPLAY/this.MAXFUEL * this.FUEL;


    public DrillsItem(Properties pProperties) {
        super(pProperties);
    }

    @Override
    public boolean isDamageable(ItemStack stack) {
        return true;
    }


    @Override
    public InteractionResult useOn(UseOnContext pContext) {

        System.out.println(this.FUEL);

        Player player = pContext.getPlayer();

        BlockPos posBlock = pContext.getClickedPos();
        BlockPos posBlockDown = pContext.getClickedPos().above();

        Level level = pContext.getLevel();

        Block block = level.getBlockState(posBlock).getBlock();
        Block blockDown = level.getBlockState(posBlockDown).getBlock();


        if(!isFuelEmpty() && !ModTags.Blocks.MC_ORES.contains(block) &&  !ModTags.Blocks.MC_ORES.contains(blockDown) && !isFuel(block))//The Block isnt a MC Ore, the FUel is not empty and the taget block isnt a Coal BLock
        {

            //Break Block
            if (block != Blocks.OBSIDIAN && block != Blocks.BEDROCK) {//and the block isnt a Unbreakable block like obsidian and BedrocK
                level.destroyBlock(posBlock, true);


                if (blockDown != Blocks.OBSIDIAN && blockDown != Blocks.BEDROCK) {//block above
                    level.destroyBlock(posBlockDown, true);
                }
            }
            level.playSound(player, posBlock, ModSounds.LLOYD_INTERACTION.get(), SoundSource.BLOCKS, 1, 1);
            if (!player.isCreative())//If the player is in creative mode, the drills should not loose fuel
            {

                this.FUEL--;
            }
        }

        //Refuel
        else if (isFuel(block) && CanRefuel())//If the block is an Coal Block/Ore,and the Drills can Refuel,  the drills refuel and destroy the block
        {


            if(block == Blocks.COAL_ORE)
            {

              this.FUEL = this.FUEL + 10;//+10
                level.destroyBlock(posBlock, false);
                level.destroyBlock(posBlock, false);
                level.destroyBlock(posBlock, false);

            }
            else
            { this.FUEL = this.FUEL+40;//+40
                level.destroyBlock(posBlock, false);
                level.destroyBlock(posBlock, false);
                level.destroyBlock(posBlock, false);


            }
            level.destroyBlock(posBlock, false);

            if(this.FUEL > this.MAXFUEL)
            {
                this.FUEL = this.MAXFUEL;
            }

        }

        return super.useOn(pContext);
    }


    public boolean isFuelEmpty()
    {
        return  this.FUEL <= 0;
    }

    public boolean CanRefuel()
    {
        return this.FUEL < this.MAXFUEL;
    }


    public boolean isFuel(Block block)
    {
        return block == Blocks.COAL_ORE || block == Blocks.COAL_BLOCK;
    }

    @Override
    public void appendHoverText(ItemStack stack, @Nullable Level pLevel, List<Component> tooltip, TooltipFlag flagIn) {

        this.FUELDISPLAY = this.MAXFUELDISPLAY/this.MAXFUEL * this.FUEL;
        tooltip.add(new TextComponent(Math.round(this.FUELDISPLAY) + "L" +"/" + Math.round(this.MAXFUELDISPLAY) + "L"));
        super.appendHoverText(stack, pLevel, tooltip, flagIn);
    }

    @Override
    public void onUseTick(Level pLevel, LivingEntity pLivingEntity, ItemStack pStack, int pRemainingUseDuration) {
        this.FUELDISPLAY = this.MAXFUELDISPLAY/this.MAXFUEL * this.FUEL;
    }
}

Thanks in advance

Quote

January 22, 20223 yr

Author

ohhh, thanks, thats exacly what i needed

Quote

January 22, 20223 yr

Author

Hello,

Sorry for writing back again but despite several attempts I did not manage to change/create the tags. They always have the value 0.0
here's my code:

package net.the_goldbeards.lootdebugs.Items.Weapons.Drills;

import net.minecraft.core.BlockPos;
import net.minecraft.nbt.CompoundTag;
import net.minecraft.network.chat.Component;
import net.minecraft.network.chat.TextComponent;
import net.minecraft.network.chat.TranslatableComponent;
import net.minecraft.sounds.SoundSource;
import net.minecraft.tags.BlockTags;
import net.minecraft.tags.Tag;
import net.minecraft.util.Mth;
import net.minecraft.world.InteractionHand;
import net.minecraft.world.InteractionResult;
import net.minecraft.world.InteractionResultHolder;
import net.minecraft.world.entity.EquipmentSlot;
import net.minecraft.world.entity.LivingEntity;
import net.minecraft.world.entity.player.Player;
import net.minecraft.world.item.*;
import net.minecraft.world.item.context.UseOnContext;
import net.minecraft.world.item.enchantment.Enchantment;
import net.minecraft.world.level.ItemLike;
import net.minecraft.world.level.Level;
import net.minecraft.world.level.block.Block;
import net.minecraft.world.level.block.Blocks;
import net.minecraft.world.level.block.TorchBlock;
import net.minecraft.world.level.block.state.BlockState;
import net.minecraftforge.api.distmarker.Dist;
import net.minecraftforge.api.distmarker.OnlyIn;
import net.minecraftforge.common.Tags;
import net.the_goldbeards.lootdebugs.util.ModSounds;
import net.the_goldbeards.lootdebugs.util.ModTags;
import org.jetbrains.annotations.Nullable;


import java.util.List;

public class DrillsItem extends Item
{




    @Override
    public int getItemStackLimit(ItemStack stack) {
        return 1;
    }

    public DrillsItem(Properties pProperties, float FUELAMMOUNT) {
        super(pProperties);

        ItemStack pStack = new ItemStack(this);
        pStack.getOrCreateTag().putFloat("lootdebugs.drillfuel", FUELAMMOUNT);

    }



    @Override
    public InteractionResult useOn(UseOnContext pContext) {

        ItemStack pStack = new ItemStack(pContext.getPlayer().getItemInHand(pContext.getHand()).getItem());
        pStack.getOrCreateTag().putFloat("lootdebugs.drillfuel", 12f);//Debug






        return InteractionResult.PASS;
    }



    @Override
    public void appendHoverText(ItemStack pStack, @Nullable Level pLevel, List<Component> pTooltipComponents, TooltipFlag pIsAdvanced) {



            Float val = pStack.getOrCreateTag().getFloat("lootdebugs.drillfuel");
            pTooltipComponents.add(new TextComponent(val.toString()));


    }
}

Thanks

Quote

January 22, 20223 yr

Author

okay, but how can I then set default values and why and why is the value still 0 despite right-click(onUse)?

Edited January 22, 20223 yr by TheTrueSCP

Quote

January 22, 20223 yr

Author

Yeah, it works, thanks a lot

Quote

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Change the fuel variable in the holding-item only

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