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96d5e6ca48
Currently includes generated key holder classes for types used in the Registry Modification API
61 lines
2.8 KiB
Diff
61 lines
2.8 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Riley Park <rileysebastianpark@gmail.com>
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Date: Sun, 23 May 2021 05:04:28 -0700
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Subject: [PATCH] ItemStack#editMeta
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diff --git a/src/main/java/org/bukkit/inventory/ItemStack.java b/src/main/java/org/bukkit/inventory/ItemStack.java
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index 2d945516ec65ffe103479aea218b3002cc572dc1..f9faef1b73b5027a3d22e76a0b33b7c952f3ae08 100644
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--- a/src/main/java/org/bukkit/inventory/ItemStack.java
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+++ b/src/main/java/org/bukkit/inventory/ItemStack.java
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@@ -547,6 +547,50 @@ public class ItemStack implements Cloneable, ConfigurationSerializable, Translat
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return result.ensureServerConversions(); // Paper
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}
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+ // Paper start
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+ /**
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+ * Edits the {@link ItemMeta} of this stack.
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+ * <p>
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+ * The {@link java.util.function.Consumer} must only interact
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+ * with this stack's {@link ItemMeta} through the provided {@link ItemMeta} instance.
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+ * Calling this method or any other meta-related method of the {@link ItemStack} class
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+ * (such as {@link #getItemMeta()}, {@link #addItemFlags(ItemFlag...)}, {@link #lore()}, etc.)
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+ * from inside the consumer is disallowed and will produce undefined results or exceptions.
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+ * </p>
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+ *
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+ * @param consumer the meta consumer
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+ * @return {@code true} if the edit was successful, {@code false} otherwise
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+ */
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+ public boolean editMeta(final @NotNull java.util.function.Consumer<? super ItemMeta> consumer) {
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+ return editMeta(ItemMeta.class, consumer);
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+ }
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+
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+ /**
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+ * Edits the {@link ItemMeta} of this stack if the meta is of the specified type.
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+ * <p>
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+ * The {@link java.util.function.Consumer} must only interact
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+ * with this stack's {@link ItemMeta} through the provided {@link ItemMeta} instance.
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+ * Calling this method or any other meta-related method of the {@link ItemStack} class
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+ * (such as {@link #getItemMeta()}, {@link #addItemFlags(ItemFlag...)}, {@link #lore()}, etc.)
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+ * from inside the consumer is disallowed and will produce undefined results or exceptions.
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+ * </p>
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+ *
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+ * @param metaClass the type of meta to edit
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+ * @param consumer the meta consumer
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+ * @param <M> the meta type
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+ * @return {@code true} if the edit was successful, {@code false} otherwise
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+ */
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+ public <M extends ItemMeta> boolean editMeta(final @NotNull Class<M> metaClass, final @NotNull java.util.function.Consumer<@NotNull ? super M> consumer) {
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+ final @Nullable ItemMeta meta = this.getItemMeta();
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+ if (metaClass.isInstance(meta)) {
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+ consumer.accept((M) meta);
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+ this.setItemMeta(meta);
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+ return true;
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+ }
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+ return false;
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+ }
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+ // Paper end
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+
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/**
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* Get a copy of this ItemStack's {@link ItemMeta}.
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*
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