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Baguette Flamethrower

MyAddon.java
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NamespacedKey baguetteFlamethrowerKey = new NamespacedKey(this, "baguette_flamethrower");
ItemStack baguetteFlamethrower = ItemStackBuilder.pylonItem(Material.BREAD, baguetteFlamethrowerKey)
        .build();
PylonItem.register(BaguetteFlamethrower.class, baguetteFlamethrower);
BasePages.FOOD.addItem(baguetteFlamethrowerKey);
MyAddon.kt
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val baguetteFlamethrowerKey = NamespacedKey(this, "baguette_flamethrower")
val baguetteFlamethrower = ItemStackBuilder.pylonItem(Material.BREAD, baguetteFlamethrowerKey)
    .build()
PylonItem.register<BaguetteFlamethrower>(baguetteFlamethrower)
BasePages.FOOD.addItem(baguetteFlamethrowerKey)

BaguetteFlamethrower.java
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public class BaguetteFlamethrower extends PylonItem implements PylonItemEntityInteractor {
    private final int burnTimeTicks = getSettings().getOrThrow("burn-time-ticks", Integer.class);

    public BaguetteFlamethrower(@NotNull ItemStack stack) {
        super(stack);
    }

    @Override
    public void onUsedToRightClickEntity(@NotNull PlayerInteractEntityEvent event) {
        event.getRightClicked().setFireTicks(burnTimeTicks);
    }

    @Override
    public @NotNull List<PylonArgument> getPlaceholders() {
        return List.of(
                PylonArgument.of("burn-time", UnitFormat.SECONDS.format(burnTimeTicks / 20.0))
        );
    }
}
BaguetteFlamethrower.kt
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class BaguetteFlamethrower(stack: ItemStack) : PylonItem(stack), PylonItemEntityInteractor {
    private val burnTimeTicks = settings.getOrThrow("burn-time-ticks", Int::class.java)

    override fun onUsedToRightClickEntity(event: PlayerInteractEntityEvent) {
        event.rightClicked.fireTicks = burnTimeTicks
    }

    override fun getPlaceholders() =
        listOf(PylonArgument.of("burn-time", UnitFormat.SECONDS.format(burnTimeTicks / 20.0)))
}
en.yml
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baguette_flamethrower:
  name: "Baguette Flamethrower"
  lore: |-
    <arrow> Use the power of baguettes to ignite the entities you look at
    <arrow> <insn>Right click</insn> to ignite the entity you're looking at
    <arrow> <attr>Burn time:</attr> %burn-time%

Baguette of Wisdom

MyAddon.java
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NamespacedKey baguetteOfWisdomKey = new NamespacedKey(this, "baguette_of_wisdom");
ItemStack baguetteOfWisdom = ItemStackBuilder.pylonItem(Material.BREAD, baguetteOfWisdomKey)
        .editPdc(pdc -> pdc.set(
                BaguetteOfWisdom.STORED_XP_KEY,
                PylonSerializers.INTEGER,
                0
        ))
        .build();
PylonItem.register(BaguetteOfWisdom.class, baguetteOfWisdom);
BasePages.FOOD.addItem(baguetteOfWisdomKey);
MyAddon.kt
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val baguetteOfWisdomKey = NamespacedKey(this, "baguette_of_wisdom")
val baguetteOfWisdom = ItemStackBuilder.pylonItem(Material.BREAD, baguetteOfWisdomKey)
    .editPdc { pdc ->
        pdc.set(
            BaguetteOfWisdom.STORED_XP_KEY,
            PylonSerializers.INTEGER,
            0
        )
    }
    .build()
PylonItem.register<BaguetteOfWisdom>(baguetteOfWisdom)
BasePages.FOOD.addItem(baguetteOfWisdomKey)

BaguetteOfWisdom.java
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public class BaguetteOfWisdom extends PylonItem implements PylonInteractor {
    public static final NamespacedKey STORED_XP_KEY = new NamespacedKey(MyAddon.getInstance(), "stored_xp");

    private final int xpCapacity = getSettings().getOrThrow("xp-capacity", Integer.class);

    public BaguetteOfWisdom(@NotNull ItemStack stack) {
        super(stack);
    }

    @Override
    public @NotNull List<PylonArgument> getPlaceholders() {
        return List.of(
                PylonArgument.of("xp_capacity", UnitFormat.EXPERIENCE.format(xpCapacity)),
                PylonArgument.of("stored_xp", UnitFormat.EXPERIENCE.format(getStoredXp()))
        );
    }

    @Override
    public void onUsedToRightClick(@NotNull PlayerInteractEvent event) {
        if (event.getPlayer().isSneaking()) {
            // 1. Read how much XP we already have stored
            int xp = getStoredXp();

            // 2. Give all the XP to the player
            event.getPlayer().giveExp(xp);

            // 3. Set the stored XP to 0
            setStoredXp(0);
        } else {
            // 1. Read how much XP we already have stored
            int xp = getStoredXp();

            // 2. Figure out how much XP we need to take to get to `xpCapacity`
            int extraXpNeeded = xpCapacity - xp;

            // 3. Take as much XP from the player as we can to get there
            int xpToTake = Math.min(event.getPlayer().calculateTotalExperiencePoints(), extraXpNeeded);
            event.getPlayer().giveExp(-xpToTake);

            // 4. Set the new stored XP amount
            setStoredXp(xp + xpToTake);
        }
    }

    public void setStoredXp(int xp) {
        getStack().editPersistentDataContainer(pdc -> pdc.set(
                STORED_XP_KEY,
                PylonSerializers.INTEGER,
                xp
        ));
    }

    public int getStoredXp() {
        return getStack().getPersistentDataContainer().get(
                STORED_XP_KEY,
                PylonSerializers.INTEGER
        );
    }
}
BaguetteOfWisdom.kt
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class BaguetteOfWisdom(stack: ItemStack) : PylonItem(stack), PylonInteractor {
    companion object {
        val STORED_XP_KEY = NamespacedKey(MyAddon.getInstance(), "stored_xp")
    }

    private val xpCapacity = settings.getOrThrow("xp-capacity", Int::class.java)

    override fun getPlaceholders() =
        listOf(
            PylonArgument.of("xp_capacity", UnitFormat.EXPERIENCE.format(xpCapacity)),
            PylonArgument.of("stored_xp", UnitFormat.EXPERIENCE.format(getStoredXp()))
        )

    override fun onUsedToRightClick(event: PlayerInteractEvent) {
        if (event.player.isSneaking) {
            // 1. Read how much XP we already have stored
            val xp = storedXp

            // 2. Give all the XP to the player
            event.player.giveExp(xp)

            // 3. Set the stored XP to 0
            storedXp = 0
        } else {
            // 1. Read how much XP we already have stored
            val xp = storedXp

            // 2. Figure out how much XP we need to take to get to `xpCapacity`
            val extraXpNeeded = xpCapacity - xp

            // 3. Take as much XP from the player as we can to get there
            val xpToTake = min(event.player.calculateTotalExperiencePoints(), extraXpNeeded)
            event.player.giveExp(-xpToTake)

            // 4. Set the new stored XP amount
            storedXp = xp + xpToTake
        }
    }

    var storedXp: Int
        get() = stack.persistentDataContainer.get(
            NamespacedKey(MyAddon.instance, "stored_xp"),
            PylonSerializers.INTEGER
        )!!
        set(value) {
            stack.editPersistentDataContainer { pdc ->
                pdc.set(
                    NamespacedKey(MyAddon.instance, "stored_xp"),
                    PylonSerializers.INTEGER,
                    value
                )
            }
        }
}
en.yml
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item:
  baguette_of_wisdom:
    name: "Baguette of Wisdom"
    lore: |-
      <arrow> Use the power of baguettes to transfer XP
      <arrow> <insn>Right click</insn> to charge with XP
      <arrow> <insn>Shift right click</insn> to discharge stored XP
      <arrow> <attr>XP capacity:</attr> %xp_capacity%
      <arrow> <attr>Stored XP:</attr> %stored_xp%