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https://github.com/SparklyPower/SparklyPaper.git
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38 lines
2.4 KiB
Diff
38 lines
2.4 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: MrPowerGamerBR <git@mrpowergamerbr.com>
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Date: Fri, 21 Jun 2024 18:07:25 -0300
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Subject: [PATCH] Allow item version downgrades
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The server WON'T convert the item data from a newer version to an older version, so proceed with caution
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diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
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index d06aab9bd5cd901c8367f9680f5d27ddb17b3dc4..52fd5fdbba10f7b1bb5f77e84f1c50d558de037d 100644
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--- a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
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+++ b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
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@@ -75,6 +75,7 @@ import org.bukkit.potion.PotionType;
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public final class CraftMagicNumbers implements UnsafeValues {
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public static final CraftMagicNumbers INSTANCE = new CraftMagicNumbers();
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public static final boolean DISABLE_OLD_API_SUPPORT = Boolean.getBoolean("paper.disableOldApiSupport"); // Paper
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+ private static final boolean JUST_CORRUPT_IT = Boolean.getBoolean("sparklypaper.ignoreItemDataVersion"); // SparklyPaper - allow item downgrades
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private final Commodore commodore = new Commodore();
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@@ -242,7 +243,7 @@ public final class CraftMagicNumbers implements UnsafeValues {
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@Override
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public Material getMaterial(String material, int version) {
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Preconditions.checkArgument(material != null, "material == null");
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- Preconditions.checkArgument(version <= this.getDataVersion(), "Newer version! Server downgrades are not supported!");
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+ Preconditions.checkArgument(JUST_CORRUPT_IT || version <= this.getDataVersion(), "Newer version! Server downgrades are not supported!"); // SparklyPaper - allow item downgrades
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// Fastpath up to date materials
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if (version == this.getDataVersion()) {
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@@ -594,7 +595,7 @@ public final class CraftMagicNumbers implements UnsafeValues {
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throw new RuntimeException(ex);
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}
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int dataVersion = compound.getInt("DataVersion");
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- Preconditions.checkArgument(dataVersion <= getDataVersion(), "Newer version! Server downgrades are not supported!");
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+ Preconditions.checkArgument(JUST_CORRUPT_IT || dataVersion <= getDataVersion(), "Newer version! Server downgrades are not supported!"); // SparklyPaper - allow item downgrades
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return compound;
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}
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