2021-04-01 20:02:03 +02:00
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package net.minestom.server.item;
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import net.kyori.adventure.text.Component;
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2021-04-02 18:13:02 +02:00
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import net.minestom.server.item.attribute.ItemAttribute;
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import net.minestom.server.utils.NBTUtils;
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2021-04-01 20:02:03 +02:00
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import org.jetbrains.annotations.Contract;
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import org.jetbrains.annotations.NotNull;
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import org.jetbrains.annotations.Nullable;
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2021-04-02 18:13:02 +02:00
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import org.jglrxavpok.hephaistos.nbt.NBTCompound;
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2021-04-01 20:02:03 +02:00
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2021-04-02 19:10:46 +02:00
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import java.lang.ref.SoftReference;
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import java.util.ArrayList;
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2021-04-02 14:02:24 +02:00
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import java.util.Collections;
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import java.util.List;
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import java.util.Map;
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2021-04-01 22:28:32 +02:00
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import java.util.function.Consumer;
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public class ItemMeta implements Cloneable {
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private final ItemMetaBuilder builder;
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private final int damage;
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private final boolean unbreakable;
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private final int hideFlag;
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private final Component displayName;
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private final List<Component> lore;
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2021-04-02 18:13:02 +02:00
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private final Map<Enchantment, Short> enchantmentMap;
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private final List<ItemAttribute> attributes;
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private final int customModelData;
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2021-04-02 22:14:48 +02:00
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private final @Nullable NBTCompound originalNbt;
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private SoftReference<NBTCompound> cache;
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2021-04-01 20:02:03 +02:00
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protected ItemMeta(@NotNull ItemMetaBuilder metaBuilder) {
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this.builder = metaBuilder.clone();
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this.damage = 0;
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this.unbreakable = false;
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this.hideFlag = 0;
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2021-04-01 20:02:03 +02:00
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this.displayName = metaBuilder.displayName;
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this.lore = Collections.unmodifiableList(metaBuilder.lore);
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this.enchantmentMap = Collections.unmodifiableMap(metaBuilder.enchantmentMap);
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this.attributes = new ArrayList<>();
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this.customModelData = 0;
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2021-04-02 22:14:48 +02:00
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// Can be null
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this.originalNbt = metaBuilder.originalNBT;
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2021-04-01 20:02:03 +02:00
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}
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2021-04-01 22:28:32 +02:00
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@Contract(value = "_, -> new", pure = true)
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public @NotNull ItemMeta with(@NotNull Consumer<@NotNull ItemMetaBuilder> builderConsumer) {
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var builder = builder();
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builderConsumer.accept(builder);
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return builder.build();
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}
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2021-04-03 00:21:23 +02:00
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@Contract(pure = true)
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public int getDamage() {
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return damage;
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}
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2021-04-03 00:21:23 +02:00
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@Contract(pure = true)
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public boolean isUnbreakable() {
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return unbreakable;
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}
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2021-04-03 00:21:23 +02:00
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@Contract(pure = true)
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public int getHideFlag() {
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return hideFlag;
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}
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2021-04-01 20:02:03 +02:00
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@Contract(pure = true)
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public @Nullable Component getDisplayName() {
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return displayName;
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}
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@Contract(pure = true)
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public @NotNull List<@NotNull Component> getLore() {
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return lore;
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}
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@Contract(pure = true)
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public @NotNull Map<Enchantment, Short> getEnchantmentMap() {
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return enchantmentMap;
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}
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@Contract(pure = true)
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public @NotNull List<ItemAttribute> getAttributes() {
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return attributes;
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}
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@Contract(pure = true)
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public int getCustomModelData() {
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return customModelData;
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}
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2021-04-02 18:25:20 +02:00
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public @NotNull NBTCompound toNBT() {
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if (originalNbt != null) {
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// Return the nbt this meta has been created with
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return originalNbt;
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}
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2021-04-02 19:10:46 +02:00
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var nbt = cache != null ? cache.get() : null;
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if (nbt == null) {
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nbt = NBTUtils.metaToNBT(this);
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this.builder.write(nbt);
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this.cache = new SoftReference<>(nbt);
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}
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return nbt;
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}
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2021-04-02 18:25:20 +02:00
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@Override
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public boolean equals(Object o) {
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if (this == o) return true;
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if (o == null || getClass() != o.getClass()) return false;
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ItemMeta itemMeta = (ItemMeta) o;
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return toNBT().equals(itemMeta.toNBT());
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}
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@Override
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public int hashCode() {
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return toNBT().hashCode();
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}
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2021-04-02 22:14:48 +02:00
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@Contract(value = "-> new", pure = true)
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2021-04-01 20:02:03 +02:00
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protected @NotNull ItemMetaBuilder builder() {
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return builder.clone();
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}
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}
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