Paper/patches/server/0972-Improve-Registry.patch
Owen 89d51d5f29
Allow enabling sand duping (#10191)
Because this exploit has been widely known for years and has not been fixed by Mojang, we decided that it was worth allowing people to toggle it on/off due to how easy it is to make it configurable.

It should be noted that this decision does not promise all future exploits will be configurable.
2024-03-03 17:05:34 -05:00

103 lines
5.3 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jake Potrebic <jake.m.potrebic@gmail.com>
Date: Wed, 20 Dec 2023 02:03:05 -0800
Subject: [PATCH] Improve Registry
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftRegistry.java b/src/main/java/org/bukkit/craftbukkit/CraftRegistry.java
index b12b99253543445475b73a1d3d7c6364856b49e8..4fc02698a9312496e7f9bce1c64f317374d2a42f 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftRegistry.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftRegistry.java
@@ -131,6 +131,7 @@ public class CraftRegistry<B extends Keyed, M> implements Registry<B> {
private final Class<? super B> bukkitClass;
private final Map<NamespacedKey, B> cache = new HashMap<>();
+ private final Map<B, NamespacedKey> byValue = new java.util.IdentityHashMap<>(); // Paper - improve Registry
private final net.minecraft.core.Registry<M> minecraftRegistry;
private final BiFunction<NamespacedKey, M, B> minecraftToBukkit;
private boolean init;
@@ -175,6 +176,7 @@ public class CraftRegistry<B extends Keyed, M> implements Registry<B> {
}
this.cache.put(namespacedKey, bukkit);
+ this.byValue.put(bukkit, namespacedKey); // Paper - improve Registry
return bukkit;
}
@@ -197,4 +199,11 @@ public class CraftRegistry<B extends Keyed, M> implements Registry<B> {
return this.minecraftToBukkit.apply(namespacedKey, minecraft);
}
+
+ // Paper start - improve Registry
+ @Override
+ public NamespacedKey getKey(final B value) {
+ return this.byValue.get(value);
+ }
+ // Paper end - improve Registry
}
diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/trim/CraftTrimMaterial.java b/src/main/java/org/bukkit/craftbukkit/inventory/trim/CraftTrimMaterial.java
index 2e6b04a150eae4fbac7b4c6413d81b755ac87be2..6cce693a24e0b1b485832935d398fb26c91e0be0 100644
--- a/src/main/java/org/bukkit/craftbukkit/inventory/trim/CraftTrimMaterial.java
+++ b/src/main/java/org/bukkit/craftbukkit/inventory/trim/CraftTrimMaterial.java
@@ -34,6 +34,7 @@ public class CraftTrimMaterial implements TrimMaterial, Handleable<net.minecraft
@Override
@NotNull
public NamespacedKey getKey() {
+ if (true) return java.util.Objects.requireNonNull(org.bukkit.Registry.TRIM_MATERIAL.getKey(this), () -> this + " doesn't have a key"); // Paper
return this.key;
}
}
diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/trim/CraftTrimPattern.java b/src/main/java/org/bukkit/craftbukkit/inventory/trim/CraftTrimPattern.java
index 5a570bae1262f768d86a6078bfded427294ed135..bf13fe2f858ee35c84c5a1f3fb2f7df61a62315b 100644
--- a/src/main/java/org/bukkit/craftbukkit/inventory/trim/CraftTrimPattern.java
+++ b/src/main/java/org/bukkit/craftbukkit/inventory/trim/CraftTrimPattern.java
@@ -34,6 +34,7 @@ public class CraftTrimPattern implements TrimPattern, Handleable<net.minecraft.w
@Override
@NotNull
public NamespacedKey getKey() {
+ if (true) return java.util.Objects.requireNonNull(org.bukkit.Registry.TRIM_PATTERN.getKey(this), () -> this + " doesn't have a key"); // Paper
return this.key;
}
}
diff --git a/src/test/java/org/bukkit/registry/PerRegistryTest.java b/src/test/java/org/bukkit/registry/PerRegistryTest.java
index 1c4966520b6401e6571aa44d5934dfa280bc80e3..010de6fbb75eb5d51639695d260f916072fdb22d 100644
--- a/src/test/java/org/bukkit/registry/PerRegistryTest.java
+++ b/src/test/java/org/bukkit/registry/PerRegistryTest.java
@@ -49,19 +49,22 @@ public class PerRegistryTest extends AbstractTestingBase {
@ParameterizedTest
@MethodSource("data")
- public void testGet(Registry<?> registry) {
+ public <T extends Keyed> void testGet(Registry<T> registry) { // Paper - improve Registry
registry.forEach(element -> {
+ NamespacedKey key = registry.getKey(element); // Paper - improve Registry
+ assertNotNull(key); // Paper - improve Registry
// Values in the registry should be referentially equal to what is returned with #get()
// This ensures that new instances are not created each time #get() is invoked
- assertSame(element, registry.get(element.getKey()));
+ assertSame(element, registry.get(key)); // Paper - improve Registry
});
}
@ParameterizedTest
@MethodSource("data")
- public void testMatch(Registry<?> registry) {
+ public <T extends Keyed> void testMatch(Registry<T> registry) { // Paper - improve Registry
registry.forEach(element -> {
- NamespacedKey key = element.getKey();
+ NamespacedKey key = registry.getKey(element); // Paper - improve Registry
+ assertNotNull(key); // Paper - improve Registry
this.assertSameMatchWithKeyMessage(registry, element, key.toString()); // namespace:key
this.assertSameMatchWithKeyMessage(registry, element, key.getKey()); // key
@@ -72,7 +75,7 @@ public class PerRegistryTest extends AbstractTestingBase {
});
}
- private void assertSameMatchWithKeyMessage(Registry<?> registry, Keyed element, String key) {
+ private <T extends Keyed> void assertSameMatchWithKeyMessage(Registry<T> registry, T element, String key) { // Paper - improve Registry
assertSame(element, registry.match(key), key);
}