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|
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jake Potrebic <jake.m.potrebic@gmail.com>
Date: Mon, 27 Feb 2023 18:28:39 -0800
Subject: [PATCH] Registry Modification API
== AT ==
public net.minecraft.server.RegistryLayer STATIC_ACCESS
public net.minecraft.core.MappedRegistry validateWrite(Lnet/minecraft/resources/ResourceKey;)V
diff --git a/src/main/java/io/papermc/paper/registry/PaperRegistries.java b/src/main/java/io/papermc/paper/registry/PaperRegistries.java
index 40ac461d2f1906059377c77229612f540e827d75..7a2fb53ab280893b1c9c886ccb3480b695343cbf 100644
--- a/src/main/java/io/papermc/paper/registry/PaperRegistries.java
+++ b/src/main/java/io/papermc/paper/registry/PaperRegistries.java
@@ -44,6 +44,7 @@ import org.checkerframework.framework.qual.DefaultQualifier;
import static io.papermc.paper.registry.entry.RegistryEntry.apiOnly;
import static io.papermc.paper.registry.entry.RegistryEntry.entry;
+import static io.papermc.paper.registry.entry.RegistryEntry.writable;
@DefaultQualifier(NonNull.class)
public final class PaperRegistries {
diff --git a/src/main/java/io/papermc/paper/registry/PaperRegistryAccess.java b/src/main/java/io/papermc/paper/registry/PaperRegistryAccess.java
index d591e3a2e19d5358a0d25a5a681368943622d231..f05ebf453406a924da3de6fb250f4793a1b3c612 100644
--- a/src/main/java/io/papermc/paper/registry/PaperRegistryAccess.java
+++ b/src/main/java/io/papermc/paper/registry/PaperRegistryAccess.java
@@ -80,6 +80,14 @@ public class PaperRegistryAccess implements RegistryAccess {
return possiblyUnwrap(registryHolder.get());
}
+ public <M, T extends Keyed, B extends PaperRegistryBuilder<M, T>> WritableCraftRegistry<M, T, B> getWritableRegistry(final RegistryKey<T> key) {
+ final Registry<T> registry = this.getRegistry(key);
+ if (registry instanceof WritableCraftRegistry<?, T, ?>) {
+ return (WritableCraftRegistry<M, T, B>) registry;
+ }
+ throw new IllegalArgumentException(key + " does not point to a writable registry");
+ }
+
private static <T extends Keyed> Registry<T> possiblyUnwrap(final Registry<T> registry) {
if (registry instanceof final DelayedRegistry<T, ?> delayedRegistry) { // if not coming from legacy, unwrap the delayed registry
return delayedRegistry.delegate();
diff --git a/src/main/java/io/papermc/paper/registry/PaperRegistryBuilder.java b/src/main/java/io/papermc/paper/registry/PaperRegistryBuilder.java
new file mode 100644
index 0000000000000000000000000000000000000000..4cf32102a134ebef67d3893cfd24bf0add321eb9
--- /dev/null
+++ b/src/main/java/io/papermc/paper/registry/PaperRegistryBuilder.java
@@ -0,0 +1,24 @@
+package io.papermc.paper.registry;
+
+import org.checkerframework.checker.nullness.qual.Nullable;
+
+public interface PaperRegistryBuilder<M, T> extends RegistryBuilder<T> {
+
+ M build();
+
+ @FunctionalInterface
+ interface Filler<M, T, B extends PaperRegistryBuilder<M, T>> {
+
+ B fill(final TypedKey<T> key, final @Nullable M nms);
+
+ default Factory<M, T, B> asFactory() {
+ return key -> this.fill(key, null);
+ }
+ }
+
+ @FunctionalInterface
+ interface Factory<M, T, B extends PaperRegistryBuilder<M, T>> {
+
+ B create(final TypedKey<T> key);
+ }
+}
diff --git a/src/main/java/io/papermc/paper/registry/PaperRegistryListenerManager.java b/src/main/java/io/papermc/paper/registry/PaperRegistryListenerManager.java
new file mode 100644
index 0000000000000000000000000000000000000000..6b3ba059b4f530b9e3d1c3d6bbc033e96c6a9bc2
--- /dev/null
+++ b/src/main/java/io/papermc/paper/registry/PaperRegistryListenerManager.java
@@ -0,0 +1,167 @@
+package io.papermc.paper.registry;
+
+import com.google.common.base.Preconditions;
+import io.papermc.paper.plugin.bootstrap.BootstrapContext;
+import io.papermc.paper.plugin.entrypoint.Entrypoint;
+import io.papermc.paper.plugin.entrypoint.LaunchEntryPointHandler;
+import io.papermc.paper.plugin.lifecycle.event.LifecycleEventRunner;
+import io.papermc.paper.plugin.lifecycle.event.types.LifecycleEventType;
+import io.papermc.paper.registry.entry.RegistryEntry;
+import io.papermc.paper.registry.entry.RegistryEntryInfo;
+import io.papermc.paper.registry.event.RegistryEntryAddEventImpl;
+import io.papermc.paper.registry.event.RegistryEventMap;
+import io.papermc.paper.registry.event.RegistryEventProvider;
+import io.papermc.paper.registry.event.RegistryFreezeEvent;
+import io.papermc.paper.registry.event.RegistryFreezeEventImpl;
+import io.papermc.paper.registry.event.type.RegistryEntryAddEventType;
+import io.papermc.paper.registry.event.type.RegistryEntryAddEventTypeImpl;
+import io.papermc.paper.registry.event.type.RegistryLifecycleEventType;
+import net.kyori.adventure.key.Key;
+import net.minecraft.core.Holder;
+import net.minecraft.core.MappedRegistry;
+import net.minecraft.core.RegistrationInfo;
+import net.minecraft.core.Registry;
+import net.minecraft.core.WritableRegistry;
+import net.minecraft.resources.ResourceKey;
+import net.minecraft.resources.ResourceLocation;
+import org.checkerframework.checker.nullness.qual.Nullable;
+import org.intellij.lang.annotations.Subst;
+
+public final class PaperRegistryListenerManager {
+
+ public static final PaperRegistryListenerManager INSTANCE = new PaperRegistryListenerManager();
+
+ public final RegistryEventMap valueAddHooks = new RegistryEventMap("value add");
+ public final RegistryEventMap freezeHooks = new RegistryEventMap("freeze");
+
+ private PaperRegistryListenerManager() {
+ }
+
+ /**
+ * For {@link Registry#register(Registry, String, Object)}
+ */
+ public <M> M registerWithListeners(final Registry<M> registry, final String id, final M nms) {
+ return this.registerWithListeners(registry, new ResourceLocation(id), nms);
+ }
+
+ /**
+ * For {@link Registry#register(Registry, ResourceLocation, Object)}
+ */
+ public <M> M registerWithListeners(final Registry<M> registry, final ResourceLocation loc, final M nms) {
+ return this.registerWithListeners(registry, ResourceKey.create(registry.key(), loc), nms);
+ }
+
+ /**
+ * For {@link Registry#register(Registry, ResourceKey, Object)}
+ */
+ public <M> M registerWithListeners(final Registry<M> registry, final ResourceKey<M> key, final M nms) {
+ return this.registerWithListeners(registry, key, nms, RegistrationInfo.BUILT_IN, PaperRegistryListenerManager::registerWithInstance);
+ }
+
+ /**
+ * For {@link Registry#registerForHolder(Registry, ResourceLocation, Object)}
+ */
+ public <M> Holder.Reference<M> registerForHolderWithListeners(final Registry<M> registry, final ResourceLocation loc, final M nms) {
+ return this.registerForHolderWithListeners(registry, ResourceKey.create(registry.key(), loc), nms);
+ }
+
+ /**
+ * For {@link Registry#registerForHolder(Registry, ResourceKey, Object)}
+ */
+ public <M> Holder.Reference<M> registerForHolderWithListeners(final Registry<M> registry, final ResourceKey<M> key, final M nms) {
+ return this.registerWithListeners(registry, key, nms, RegistrationInfo.BUILT_IN, WritableRegistry::register);
+ }
+
+ public <M, T extends org.bukkit.Keyed, B extends PaperRegistryBuilder<M, T>> void registerWithListeners(
+ final Registry<M> registry,
+ final ResourceKey<M> key,
+ final M nms,
+ final RegistrationInfo registrationInfo
+ ) {
+ this.registerWithListeners(registry, key, nms, registrationInfo, WritableRegistry::register);
+ }
+
+ public <M, T extends org.bukkit.Keyed, B extends PaperRegistryBuilder<M, T>, R> R registerWithListeners(
+ final Registry<M> registry,
+ final ResourceKey<M> key,
+ final M nms,
+ final RegistrationInfo registrationInfo,
+ final RegisterMethod<M, R> registerMethod
+ ) {
+ Preconditions.checkState(LaunchEntryPointHandler.INSTANCE.hasEntered(Entrypoint.BOOTSTRAPPER), registry.key() + " tried to run modification listeners before bootstrappers have been called"); // verify that bootstrappers have been called
+ final @Nullable RegistryEntryInfo<M, T> entry = PaperRegistries.getEntry(registry.key());
+ if (!(entry instanceof RegistryEntry.Modifiable<?, ?, ?>) || !this.valueAddHooks.hasHooks(entry.apiKey())) {
+ return registerMethod.register((WritableRegistry<M>) registry, key, nms, registrationInfo);
+ }
+ final RegistryEntry.Modifiable<M, T, B> modifiableEntry = (RegistryEntry.Modifiable<M, T, B>) entry;
+ @SuppressWarnings("PatternValidation") final TypedKey<T> typedKey = TypedKey.create(entry.apiKey(), Key.key(key.location().getNamespace(), key.location().getPath()));
+ final B builder = modifiableEntry.fillBuilder(typedKey, nms);
+ return this.registerWithListeners(registry, modifiableEntry, key, nms, builder, registrationInfo, registerMethod);
+ }
+
+ public <M, T extends org.bukkit.Keyed, B extends PaperRegistryBuilder<M, T>> void registerWithListeners(
+ final Registry<M> registry,
+ final RegistryEntry.Modifiable<M, T, B> entry,
+ final ResourceKey<M> key,
+ final @Nullable M oldNms,
+ final B builder,
+ final RegistrationInfo registrationInfo
+ ) {
+ this.registerWithListeners(registry, entry, key, oldNms, builder, registrationInfo, WritableRegistry::register);
+ }
+
+ public <M, T extends org.bukkit.Keyed, B extends PaperRegistryBuilder<M, T>, R> R registerWithListeners(
+ final Registry<M> registry,
+ final RegistryEntry.Modifiable<M, T, B> entry,
+ final ResourceKey<M> key,
+ final @Nullable M oldNms,
+ final B builder,
+ final RegistrationInfo registrationInfo,
+ final RegisterMethod<M, R> registerMethod
+ ) {
+ @Subst("namespace:key") final ResourceLocation beingAdded = key.location();
+ @SuppressWarnings("PatternValidation") final TypedKey<T> typedKey = TypedKey.create(entry.apiKey(), Key.key(beingAdded.getNamespace(), beingAdded.getPath()));
+ final RegistryEntryAddEventImpl<T, B> event = entry.createEntryAddEvent(typedKey, builder);
+ LifecycleEventRunner.INSTANCE.callEvent(this.valueAddHooks.getHook(entry.apiKey()), event);
+ if (oldNms != null) {
+ ((MappedRegistry<M>) registry).clearIntrusiveHolder(oldNms);
+ }
+ final M newNms = event.builder().build();
+ return registerMethod.register((WritableRegistry<M>) registry, key, newNms, registrationInfo);
+ }
+
+ private static <M> M registerWithInstance(final WritableRegistry<M> writableRegistry, final ResourceKey<M> key, final M value, final RegistrationInfo registrationInfo) {
+ writableRegistry.register(key, value, registrationInfo);
+ return value;
+ }
+
+ @FunctionalInterface
+ public interface RegisterMethod<M, R> {
+
+ R register(WritableRegistry<M> writableRegistry, ResourceKey<M> key, M value, RegistrationInfo registrationInfo);
+ }
+
+ public <M, T extends org.bukkit.Keyed, B extends PaperRegistryBuilder<M, T>> void runFreezeListeners(final ResourceKey<? extends Registry<M>> resourceKey) {
+ final @Nullable RegistryEntryInfo<M, T> entry = PaperRegistries.getEntry(resourceKey);
+ if (!(entry instanceof RegistryEntry.Writable<?, ?, ?>) || !this.freezeHooks.hasHooks(entry.apiKey())) {
+ return;
+ }
+ final RegistryEntry.Writable<M, T, B> writableEntry = (RegistryEntry.Writable<M, T, B>) entry;
+ final RegistryFreezeEventImpl<T, B> event = writableEntry.createFreezeEvent(PaperRegistryAccess.instance().getWritableRegistry(entry.apiKey()));
+ LifecycleEventRunner.INSTANCE.callEvent(this.freezeHooks.getHook(entry.apiKey()), event);
+ }
+
+ public <T, B extends RegistryBuilder<T>> RegistryEntryAddEventType<T, B> getRegistryValueAddEventType(final RegistryEventProvider<T, B> type) {
+ if (!(PaperRegistries.getEntry(type.registryKey()) instanceof RegistryEntry.Modifiable)) {
+ throw new IllegalArgumentException(type.registryKey() + " does not support RegistryAdditionEvent");
+ }
+ return this.valueAddHooks.getOrCreate(type, RegistryEntryAddEventTypeImpl::new);
+ }
+
+ public <T, B extends RegistryBuilder<T>> LifecycleEventType.Prioritizable<BootstrapContext, RegistryFreezeEvent<T, B>> getRegistryFreezeEventType(final RegistryEventProvider<T, B> type) {
+ if (!(PaperRegistries.getEntry(type.registryKey()) instanceof RegistryEntry.Writable)) {
+ throw new IllegalArgumentException(type.registryKey() + " does not support RegistryPreFreezeEvent");
+ }
+ return this.freezeHooks.getOrCreate(type, RegistryLifecycleEventType::new);
+ }
+}
diff --git a/src/main/java/io/papermc/paper/registry/WritableCraftRegistry.java b/src/main/java/io/papermc/paper/registry/WritableCraftRegistry.java
new file mode 100644
index 0000000000000000000000000000000000000000..aff4895d5add72e22ae9f723b77843435ff044aa
--- /dev/null
+++ b/src/main/java/io/papermc/paper/registry/WritableCraftRegistry.java
@@ -0,0 +1,85 @@
+package io.papermc.paper.registry;
+
+import com.mojang.serialization.Lifecycle;
+import io.papermc.paper.adventure.PaperAdventure;
+import io.papermc.paper.registry.entry.RegistryEntry;
+import io.papermc.paper.registry.event.WritableRegistry;
+import java.util.Optional;
+import java.util.function.BiFunction;
+import java.util.function.Consumer;
+import net.minecraft.core.MappedRegistry;
+import net.minecraft.core.RegistrationInfo;
+import net.minecraft.resources.ResourceKey;
+import org.bukkit.Keyed;
+import org.bukkit.NamespacedKey;
+import org.bukkit.craftbukkit.CraftRegistry;
+import org.bukkit.craftbukkit.util.ApiVersion;
+import org.checkerframework.checker.nullness.qual.Nullable;
+
+public class WritableCraftRegistry<M, T extends Keyed, B extends PaperRegistryBuilder<M, T>> extends CraftRegistry<T, M> {
+
+ private static final RegistrationInfo FROM_PLUGIN = new RegistrationInfo(Optional.empty(), Lifecycle.experimental());
+
+ private final RegistryEntry.BuilderHolder<M, T, B> entry;
+ private final MappedRegistry<M> registry;
+ public final WritableRegistry<T, B> apiWritableRegistry = new ApiWritableRegistry();
+ private final PaperRegistryBuilder.Factory<M, T, ? extends B> builderFactory;
+ private final BiFunction<? super NamespacedKey, M, T> minecraftToBukkit;
+
+ public WritableCraftRegistry(
+ final RegistryEntry.BuilderHolder<M, T, B> entry,
+ final Class<?> classToPreload,
+ final MappedRegistry<M> registry,
+ final BiFunction<NamespacedKey, ApiVersion, NamespacedKey> serializationUpdater,
+ final PaperRegistryBuilder.Factory<M, T, ? extends B> builderFactory,
+ final BiFunction<? super NamespacedKey, M, T> minecraftToBukkit
+ ) {
+ super(classToPreload, registry, null, serializationUpdater);
+ this.entry = entry;
+ this.registry = registry;
+ this.builderFactory = builderFactory;
+ this.minecraftToBukkit = minecraftToBukkit;
+ }
+
+ public void register(final TypedKey<T> key, final Consumer<? super B> value) {
+ final ResourceKey<M> resourceKey = ResourceKey.create(this.registry.key(), PaperAdventure.asVanilla(key.key()));
+ this.registry.validateWrite(resourceKey);
+ final B builder = this.newBuilder(key);
+ value.accept(builder);
+ if (this.entry instanceof final RegistryEntry.Modifiable<M, T, B> modifiable && PaperRegistryListenerManager.INSTANCE.valueAddHooks.hasHooks(this.entry.apiKey())) {
+ PaperRegistryListenerManager.INSTANCE.registerWithListeners(
+ this.registry,
+ modifiable,
+ resourceKey,
+ null,
+ builder,
+ FROM_PLUGIN
+ );
+ } else {
+ this.registry.register(resourceKey, builder.build(), FROM_PLUGIN);
+ }
+ }
+
+ @Override
+ public final @Nullable T createBukkit(final NamespacedKey namespacedKey, final @Nullable M minecraft) {
+ if (minecraft == null) {
+ return null;
+ }
+ return this.minecraftToBukkit(namespacedKey, minecraft);
+ }
+
+ public T minecraftToBukkit(final NamespacedKey namespacedKey, final M minecraft) {
+ return this.minecraftToBukkit.apply(namespacedKey, minecraft);
+ }
+
+ protected B newBuilder(final TypedKey<T> key) {
+ return this.builderFactory.create(key);
+ }
+
+ public class ApiWritableRegistry implements WritableRegistry<T, B> {
+ @Override
+ public void register(final TypedKey<T> key, final Consumer<? super B> value) {
+ WritableCraftRegistry.this.register(key, value);
+ }
+ }
+}
diff --git a/src/main/java/io/papermc/paper/registry/entry/AddableRegistryEntry.java b/src/main/java/io/papermc/paper/registry/entry/AddableRegistryEntry.java
new file mode 100644
index 0000000000000000000000000000000000000000..a0f24d396e3a258be1978b2baa3f8e07ff54538f
--- /dev/null
+++ b/src/main/java/io/papermc/paper/registry/entry/AddableRegistryEntry.java
@@ -0,0 +1,43 @@
+package io.papermc.paper.registry.entry;
+
+import io.papermc.paper.registry.PaperRegistryBuilder;
+import io.papermc.paper.registry.RegistryHolder;
+import io.papermc.paper.registry.RegistryKey;
+import io.papermc.paper.registry.TypedKey;
+import io.papermc.paper.registry.WritableCraftRegistry;
+import java.util.function.BiFunction;
+import net.minecraft.core.MappedRegistry;
+import net.minecraft.core.Registry;
+import net.minecraft.resources.ResourceKey;
+import org.bukkit.Keyed;
+import org.bukkit.NamespacedKey;
+
+public class AddableRegistryEntry<M, T extends Keyed, B extends PaperRegistryBuilder<M, T>> extends CraftRegistryEntry<M, T> implements RegistryEntry.Addable<M, T, B> {
+
+ private final PaperRegistryBuilder.Filler<M, T, B> builderFiller;
+
+ protected AddableRegistryEntry(
+ final ResourceKey<? extends Registry<M>> mcKey,
+ final RegistryKey<T> apiKey,
+ final Class<?> classToPreload,
+ final BiFunction<NamespacedKey, M, T> minecraftToBukkit,
+ final PaperRegistryBuilder.Filler<M, T, B> builderFiller
+ ) {
+ super(mcKey, apiKey, classToPreload, minecraftToBukkit);
+ this.builderFiller = builderFiller;
+ }
+
+ private WritableCraftRegistry<M, T, B> createRegistry(final Registry<M> registry) {
+ return new WritableCraftRegistry<>(this, this.classToPreload, (MappedRegistry<M>) registry, this.updater, this.builderFiller.asFactory(), this.minecraftToBukkit);
+ }
+
+ @Override
+ public RegistryHolder<T> createRegistryHolder(final Registry<M> nmsRegistry) {
+ return new RegistryHolder.Memoized<>(() -> this.createRegistry(nmsRegistry));
+ }
+
+ @Override
+ public B fillBuilder(final TypedKey<T> key, final M nms) {
+ return this.builderFiller.fill(key, nms);
+ }
+}
diff --git a/src/main/java/io/papermc/paper/registry/entry/ModifiableRegistryEntry.java b/src/main/java/io/papermc/paper/registry/entry/ModifiableRegistryEntry.java
new file mode 100644
index 0000000000000000000000000000000000000000..df10008f6bde1047c8a13523c0a8fc01222a4e62
--- /dev/null
+++ b/src/main/java/io/papermc/paper/registry/entry/ModifiableRegistryEntry.java
@@ -0,0 +1,31 @@
+package io.papermc.paper.registry.entry;
+
+import io.papermc.paper.registry.PaperRegistryBuilder;
+import io.papermc.paper.registry.RegistryKey;
+import io.papermc.paper.registry.TypedKey;
+import java.util.function.BiFunction;
+import net.minecraft.core.Registry;
+import net.minecraft.resources.ResourceKey;
+import org.bukkit.Keyed;
+import org.bukkit.NamespacedKey;
+
+public class ModifiableRegistryEntry<M, T extends Keyed, B extends PaperRegistryBuilder<M, T>> extends CraftRegistryEntry<M, T> implements RegistryEntry.Modifiable<M, T, B> {
+
+ protected final PaperRegistryBuilder.Filler<M, T, B> builderFiller;
+
+ protected ModifiableRegistryEntry(
+ final ResourceKey<? extends Registry<M>> mcKey,
+ final RegistryKey<T> apiKey,
+ final Class<?> toPreload,
+ final BiFunction<NamespacedKey, M, T> minecraftToBukkit,
+ final PaperRegistryBuilder.Filler<M, T, B> builderFiller
+ ) {
+ super(mcKey, apiKey, toPreload, minecraftToBukkit);
+ this.builderFiller = builderFiller;
+ }
+
+ @Override
+ public B fillBuilder(final TypedKey<T> key, final M nms) {
+ return this.builderFiller.fill(key, nms);
+ }
+}
diff --git a/src/main/java/io/papermc/paper/registry/entry/RegistryEntry.java b/src/main/java/io/papermc/paper/registry/entry/RegistryEntry.java
index 15991bf13894d850f360a520d1815711d25973ec..c49170d469dca809dc42421168d14e57e24d734b 100644
--- a/src/main/java/io/papermc/paper/registry/entry/RegistryEntry.java
+++ b/src/main/java/io/papermc/paper/registry/entry/RegistryEntry.java
@@ -1,7 +1,12 @@
package io.papermc.paper.registry.entry;
+import io.papermc.paper.registry.PaperRegistryBuilder;
import io.papermc.paper.registry.RegistryHolder;
import io.papermc.paper.registry.RegistryKey;
+import io.papermc.paper.registry.TypedKey;
+import io.papermc.paper.registry.WritableCraftRegistry;
+import io.papermc.paper.registry.event.RegistryEntryAddEventImpl;
+import io.papermc.paper.registry.event.RegistryFreezeEventImpl;
import io.papermc.paper.registry.legacy.DelayedRegistryEntry;
import java.util.function.BiFunction;
import java.util.function.Supplier;
@@ -32,6 +37,37 @@ public interface RegistryEntry<M, B extends Keyed> extends RegistryEntryInfo<M,
return new DelayedRegistryEntry<>(this);
}
+ interface BuilderHolder<M, T, B extends PaperRegistryBuilder<M, T>> extends RegistryEntryInfo<M, T> {
+
+ B fillBuilder(TypedKey<T> key, M nms);
+ }
+
+ /**
+ * Can mutate values being added to the registry
+ */
+ interface Modifiable<M, T, B extends PaperRegistryBuilder<M, T>> extends BuilderHolder<M, T, B> {
+
+ default RegistryEntryAddEventImpl<T, B> createEntryAddEvent(final TypedKey<T> key, final B initialBuilder) {
+ return new RegistryEntryAddEventImpl<>(key, initialBuilder, this.apiKey());
+ }
+ }
+
+ /**
+ * Can only add new values to the registry, not modify any values.
+ */
+ interface Addable<M, T extends Keyed, B extends PaperRegistryBuilder<M, T>> extends BuilderHolder<M, T, B> { // TODO remove Keyed
+
+ default RegistryFreezeEventImpl<T, B> createFreezeEvent(final WritableCraftRegistry<M, T, B> writableRegistry) {
+ return new RegistryFreezeEventImpl<>(this.apiKey(), writableRegistry.apiWritableRegistry);
+ }
+ }
+
+ /**
+ * Can mutate values and add new values.
+ */
+ interface Writable<M, T extends Keyed, B extends PaperRegistryBuilder<M, T>> extends Modifiable<M, T, B>, Addable<M, T, B> { // TODO remove Keyed
+ }
+
static <M, B extends Keyed> RegistryEntry<M, B> entry(
final ResourceKey<? extends Registry<M>> mcKey,
final RegistryKey<B> apiKey,
@@ -48,4 +84,24 @@ public interface RegistryEntry<M, B extends Keyed> extends RegistryEntryInfo<M,
) {
return new ApiRegistryEntry<>(mcKey, apiKey, apiRegistrySupplier);
}
+
+ static <M, T extends Keyed, B extends PaperRegistryBuilder<M, T>> RegistryEntry<M, T> modifiable(
+ final ResourceKey<? extends Registry<M>> mcKey,
+ final RegistryKey<T> apiKey,
+ final Class<?> toPreload,
+ final BiFunction<NamespacedKey, M, T> minecraftToBukkit,
+ final PaperRegistryBuilder.Filler<M, T, B> filler
+ ) {
+ return new ModifiableRegistryEntry<>(mcKey, apiKey, toPreload, minecraftToBukkit, filler);
+ }
+
+ static <M, T extends Keyed, B extends PaperRegistryBuilder<M, T>> RegistryEntry<M, T> writable(
+ final ResourceKey<? extends Registry<M>> mcKey,
+ final RegistryKey<T> apiKey,
+ final Class<?> toPreload,
+ final BiFunction<NamespacedKey, M, T> minecraftToBukkit,
+ final PaperRegistryBuilder.Filler<M, T, B> filler
+ ) {
+ return new WritableRegistryEntry<>(mcKey, apiKey, toPreload, minecraftToBukkit, filler);
+ }
}
diff --git a/src/main/java/io/papermc/paper/registry/entry/WritableRegistryEntry.java b/src/main/java/io/papermc/paper/registry/entry/WritableRegistryEntry.java
new file mode 100644
index 0000000000000000000000000000000000000000..562accce731630327d116afd1c9d559df7e386bd
--- /dev/null
+++ b/src/main/java/io/papermc/paper/registry/entry/WritableRegistryEntry.java
@@ -0,0 +1,22 @@
+package io.papermc.paper.registry.entry;
+
+import io.papermc.paper.registry.PaperRegistryBuilder;
+import io.papermc.paper.registry.RegistryKey;
+import java.util.function.BiFunction;
+import net.minecraft.core.Registry;
+import net.minecraft.resources.ResourceKey;
+import org.bukkit.Keyed;
+import org.bukkit.NamespacedKey;
+
+public class WritableRegistryEntry<M, T extends Keyed, B extends PaperRegistryBuilder<M, T>> extends AddableRegistryEntry<M, T, B> implements RegistryEntry.Writable<M, T, B> { // TODO remove Keyed
+
+ protected WritableRegistryEntry(
+ final ResourceKey<? extends Registry<M>> mcKey,
+ final RegistryKey<T> apiKey,
+ final Class<?> classToPreload,
+ final BiFunction<NamespacedKey, M, T> minecraftToBukkit,
+ final PaperRegistryBuilder.Filler<M, T, B> builderFiller
+ ) {
+ super(mcKey, apiKey, classToPreload, minecraftToBukkit, builderFiller);
+ }
+}
diff --git a/src/main/java/io/papermc/paper/registry/event/RegistryEntryAddEventImpl.java b/src/main/java/io/papermc/paper/registry/event/RegistryEntryAddEventImpl.java
new file mode 100644
index 0000000000000000000000000000000000000000..a1d747c1a46d3aa8bcdef82bebb48f1fd760e61f
--- /dev/null
+++ b/src/main/java/io/papermc/paper/registry/event/RegistryEntryAddEventImpl.java
@@ -0,0 +1,13 @@
+package io.papermc.paper.registry.event;
+
+import io.papermc.paper.plugin.lifecycle.event.PaperLifecycleEvent;
+import io.papermc.paper.registry.RegistryBuilder;
+import io.papermc.paper.registry.RegistryKey;
+import io.papermc.paper.registry.TypedKey;
+
+public record RegistryEntryAddEventImpl<T, B extends RegistryBuilder<T>>(
+ TypedKey<T> key,
+ B builder,
+ RegistryKey<T> registryKey
+) implements RegistryEntryAddEvent<T, B>, PaperLifecycleEvent {
+}
diff --git a/src/main/java/io/papermc/paper/registry/event/RegistryEventMap.java b/src/main/java/io/papermc/paper/registry/event/RegistryEventMap.java
new file mode 100644
index 0000000000000000000000000000000000000000..f5ea23173dcbe491742c3dd051c147ef397307a0
--- /dev/null
+++ b/src/main/java/io/papermc/paper/registry/event/RegistryEventMap.java
@@ -0,0 +1,44 @@
+package io.papermc.paper.registry.event;
+
+import io.papermc.paper.plugin.bootstrap.BootstrapContext;
+import io.papermc.paper.plugin.lifecycle.event.LifecycleEventRunner;
+import io.papermc.paper.plugin.lifecycle.event.types.LifecycleEventType;
+import io.papermc.paper.registry.RegistryBuilder;
+import io.papermc.paper.registry.RegistryKey;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Objects;
+import java.util.function.BiFunction;
+
+public final class RegistryEventMap {
+
+ private final Map<RegistryKey<?>, LifecycleEventType<BootstrapContext, ? extends RegistryEvent<?>, ?>> hooks = new HashMap<>();
+ private final String name;
+
+ public RegistryEventMap(final String name) {
+ this.name = name;
+ }
+
+ @SuppressWarnings("unchecked")
+ public <T, B extends RegistryBuilder<T>, E extends RegistryEvent<T>, ET extends LifecycleEventType<BootstrapContext, E, ?>> ET getOrCreate(final RegistryEventProvider<T, B> type, final BiFunction<? super RegistryEventProvider<T, B>, ? super String, ET> eventTypeCreator) {
+ final ET registerHook;
+ if (this.hooks.containsKey(type.registryKey())) {
+ registerHook = (ET) this.hooks.get(type.registryKey());
+ } else {
+ registerHook = eventTypeCreator.apply(type, this.name);
+ LifecycleEventRunner.INSTANCE.addEventType(registerHook);
+ this.hooks.put(type.registryKey(), registerHook);
+ }
+ return registerHook;
+ }
+
+ @SuppressWarnings("unchecked")
+ public <T, E extends RegistryEvent<T>> LifecycleEventType<BootstrapContext, E, ?> getHook(final RegistryKey<T> registryKey) {
+ return (LifecycleEventType<BootstrapContext, E, ?>) Objects.requireNonNull(this.hooks.get(registryKey), "No hook for " + registryKey);
+ }
+
+ public boolean hasHooks(final RegistryKey<?> registryKey) {
+ return this.hooks.containsKey(registryKey);
+ }
+
+}
diff --git a/src/main/java/io/papermc/paper/registry/event/RegistryEventTypeProviderImpl.java b/src/main/java/io/papermc/paper/registry/event/RegistryEventTypeProviderImpl.java
new file mode 100644
index 0000000000000000000000000000000000000000..34c842ffa355e3c8001dd7b8551bcb49229a6391
--- /dev/null
+++ b/src/main/java/io/papermc/paper/registry/event/RegistryEventTypeProviderImpl.java
@@ -0,0 +1,24 @@
+package io.papermc.paper.registry.event;
+
+import io.papermc.paper.plugin.bootstrap.BootstrapContext;
+import io.papermc.paper.plugin.lifecycle.event.types.LifecycleEventType;
+import io.papermc.paper.registry.PaperRegistryListenerManager;
+import io.papermc.paper.registry.RegistryBuilder;
+import io.papermc.paper.registry.event.type.RegistryEntryAddEventType;
+
+public class RegistryEventTypeProviderImpl implements RegistryEventTypeProvider {
+
+ public static RegistryEventTypeProviderImpl instance() {
+ return (RegistryEventTypeProviderImpl) RegistryEventTypeProvider.provider();
+ }
+
+ @Override
+ public <T, B extends RegistryBuilder<T>> RegistryEntryAddEventType<T, B> registryEntryAdd(final RegistryEventProvider<T, B> type) {
+ return PaperRegistryListenerManager.INSTANCE.getRegistryValueAddEventType(type);
+ }
+
+ @Override
+ public <T, B extends RegistryBuilder<T>> LifecycleEventType.Prioritizable<BootstrapContext, RegistryFreezeEvent<T, B>> registryFreeze(final RegistryEventProvider<T, B> type) {
+ return PaperRegistryListenerManager.INSTANCE.getRegistryFreezeEventType(type);
+ }
+}
diff --git a/src/main/java/io/papermc/paper/registry/event/RegistryFreezeEventImpl.java b/src/main/java/io/papermc/paper/registry/event/RegistryFreezeEventImpl.java
new file mode 100644
index 0000000000000000000000000000000000000000..2db5d33d0b72ec3c9ff1c3042d9246dfa4344346
--- /dev/null
+++ b/src/main/java/io/papermc/paper/registry/event/RegistryFreezeEventImpl.java
@@ -0,0 +1,11 @@
+package io.papermc.paper.registry.event;
+
+import io.papermc.paper.plugin.lifecycle.event.PaperLifecycleEvent;
+import io.papermc.paper.registry.RegistryBuilder;
+import io.papermc.paper.registry.RegistryKey;
+
+public record RegistryFreezeEventImpl<T, B extends RegistryBuilder<T>>(
+ RegistryKey<T> registryKey,
+ WritableRegistry<T, B> registry
+) implements RegistryFreezeEvent<T, B>, PaperLifecycleEvent {
+}
diff --git a/src/main/java/io/papermc/paper/registry/event/package-info.java b/src/main/java/io/papermc/paper/registry/event/package-info.java
new file mode 100644
index 0000000000000000000000000000000000000000..14d2d9766b8dee763f220c397aba3ad432d02aaa
--- /dev/null
+++ b/src/main/java/io/papermc/paper/registry/event/package-info.java
@@ -0,0 +1,5 @@
+@DefaultQualifier(NonNull.class)
+package io.papermc.paper.registry.event;
+
+import org.checkerframework.checker.nullness.qual.NonNull;
+import org.checkerframework.framework.qual.DefaultQualifier;
diff --git a/src/main/java/io/papermc/paper/registry/event/type/RegistryEntryAddEventTypeImpl.java b/src/main/java/io/papermc/paper/registry/event/type/RegistryEntryAddEventTypeImpl.java
new file mode 100644
index 0000000000000000000000000000000000000000..32303ea9b3da736cbe26d06e57f5dcc3aa32a99b
--- /dev/null
+++ b/src/main/java/io/papermc/paper/registry/event/type/RegistryEntryAddEventTypeImpl.java
@@ -0,0 +1,32 @@
+package io.papermc.paper.registry.event.type;
+
+import io.papermc.paper.plugin.bootstrap.BootstrapContext;
+import io.papermc.paper.plugin.lifecycle.event.handler.LifecycleEventHandler;
+import io.papermc.paper.plugin.lifecycle.event.types.PrioritizableLifecycleEventType;
+import io.papermc.paper.registry.RegistryBuilder;
+import io.papermc.paper.registry.event.RegistryEntryAddEvent;
+import io.papermc.paper.registry.event.RegistryEventProvider;
+import java.util.function.Consumer;
+import java.util.function.Predicate;
+
+public class RegistryEntryAddEventTypeImpl<T, B extends RegistryBuilder<T>> extends PrioritizableLifecycleEventType<BootstrapContext, RegistryEntryAddEvent<T, B>, RegistryEntryAddConfiguration<T>> implements RegistryEntryAddEventType<T, B> {
+
+ public RegistryEntryAddEventTypeImpl(final RegistryEventProvider<T, B> type, final String eventName) {
+ super(type.registryKey() + " / " + eventName, BootstrapContext.class);
+ }
+
+ @Override
+ public RegistryEntryAddConfiguration<T> newHandler(final LifecycleEventHandler<? super RegistryEntryAddEvent<T, B>> handler) {
+ return new RegistryEntryAddHandlerConfiguration<>(handler, this);
+ }
+
+ @Override
+ public void forEachHandler(final RegistryEntryAddEvent<T, B> event, final Consumer<RegisteredHandler<BootstrapContext, RegistryEntryAddEvent<T, B>>> consumer, final Predicate<RegisteredHandler<BootstrapContext, RegistryEntryAddEvent<T, B>>> predicate) {
+ super.forEachHandler(event, consumer, predicate.and(handler -> this.matchesTarget(event, handler)));
+ }
+
+ private boolean matchesTarget(final RegistryEntryAddEvent<T, B> event, final RegisteredHandler<BootstrapContext, RegistryEntryAddEvent<T, B>> handler) {
+ final RegistryEntryAddHandlerConfiguration<T, B> config = (RegistryEntryAddHandlerConfiguration<T, B>) handler.config();
+ return config.target() == null || event.key().equals(config.target());
+ }
+}
diff --git a/src/main/java/io/papermc/paper/registry/event/type/RegistryEntryAddHandlerConfiguration.java b/src/main/java/io/papermc/paper/registry/event/type/RegistryEntryAddHandlerConfiguration.java
new file mode 100644
index 0000000000000000000000000000000000000000..53df2dd1a9e1cef90bd8504c717b1cc6374b6f4e
--- /dev/null
+++ b/src/main/java/io/papermc/paper/registry/event/type/RegistryEntryAddHandlerConfiguration.java
@@ -0,0 +1,39 @@
+package io.papermc.paper.registry.event.type;
+
+import io.papermc.paper.plugin.bootstrap.BootstrapContext;
+import io.papermc.paper.plugin.lifecycle.event.handler.LifecycleEventHandler;
+import io.papermc.paper.plugin.lifecycle.event.handler.configuration.PrioritizedLifecycleEventHandlerConfigurationImpl;
+import io.papermc.paper.plugin.lifecycle.event.types.AbstractLifecycleEventType;
+import io.papermc.paper.registry.RegistryBuilder;
+import io.papermc.paper.registry.TypedKey;
+import io.papermc.paper.registry.event.RegistryEntryAddEvent;
+import org.checkerframework.checker.nullness.qual.Nullable;
+
+public class RegistryEntryAddHandlerConfiguration<T, B extends RegistryBuilder<T>> extends PrioritizedLifecycleEventHandlerConfigurationImpl<BootstrapContext, RegistryEntryAddEvent<T, B>> implements RegistryEntryAddConfiguration<T> {
+
+ private @Nullable TypedKey<T> target;
+
+ public RegistryEntryAddHandlerConfiguration(final LifecycleEventHandler<? super RegistryEntryAddEvent<T, B>> handler, final AbstractLifecycleEventType<BootstrapContext, RegistryEntryAddEvent<T, B>, ?> eventType) {
+ super(handler, eventType);
+ }
+
+ public @Nullable TypedKey<T> target() {
+ return this.target;
+ }
+
+ @Override
+ public RegistryEntryAddConfiguration<T> onlyFor(final TypedKey<T> key) {
+ this.target = key;
+ return this;
+ }
+
+ @Override
+ public RegistryEntryAddConfiguration<T> priority(final int priority) {
+ return (RegistryEntryAddConfiguration<T>) super.priority(priority);
+ }
+
+ @Override
+ public RegistryEntryAddConfiguration<T> monitor() {
+ return (RegistryEntryAddConfiguration<T>) super.monitor();
+ }
+}
diff --git a/src/main/java/io/papermc/paper/registry/event/type/RegistryLifecycleEventType.java b/src/main/java/io/papermc/paper/registry/event/type/RegistryLifecycleEventType.java
new file mode 100644
index 0000000000000000000000000000000000000000..dcc0f6b337840a78d38abdf2eb3f4bbd1676f58f
--- /dev/null
+++ b/src/main/java/io/papermc/paper/registry/event/type/RegistryLifecycleEventType.java
@@ -0,0 +1,14 @@
+package io.papermc.paper.registry.event.type;
+
+import io.papermc.paper.plugin.bootstrap.BootstrapContext;
+import io.papermc.paper.plugin.lifecycle.event.types.PrioritizableLifecycleEventType;
+import io.papermc.paper.registry.RegistryBuilder;
+import io.papermc.paper.registry.event.RegistryEvent;
+import io.papermc.paper.registry.event.RegistryEventProvider;
+
+public final class RegistryLifecycleEventType<T, B extends RegistryBuilder<T>, E extends RegistryEvent<T>> extends PrioritizableLifecycleEventType.Simple<BootstrapContext, E> {
+
+ public RegistryLifecycleEventType(final RegistryEventProvider<T, B> type, final String eventName) {
+ super(type.registryKey() + " / " + eventName, BootstrapContext.class);
+ }
+}
diff --git a/src/main/java/io/papermc/paper/registry/package-info.java b/src/main/java/io/papermc/paper/registry/package-info.java
new file mode 100644
index 0000000000000000000000000000000000000000..0b80179ff90e085568d7ceafd9b17511789dc99b
--- /dev/null
+++ b/src/main/java/io/papermc/paper/registry/package-info.java
@@ -0,0 +1,5 @@
+@DefaultQualifier(NonNull.class)
+package io.papermc.paper.registry;
+
+import org.checkerframework.checker.nullness.qual.NonNull;
+import org.checkerframework.framework.qual.DefaultQualifier;
diff --git a/src/main/java/net/minecraft/core/MappedRegistry.java b/src/main/java/net/minecraft/core/MappedRegistry.java
index edbbafd1705345282e5e6251eb71bfde5793b7d4..f22d22ebcedcc9c20225677844c86a1ad27c4211 100644
--- a/src/main/java/net/minecraft/core/MappedRegistry.java
+++ b/src/main/java/net/minecraft/core/MappedRegistry.java
@@ -441,4 +441,12 @@ public class MappedRegistry<T> implements WritableRegistry<T> {
public HolderLookup.RegistryLookup<T> asLookup() {
return this.lookup;
}
+ // Paper start
+ // used to clear intrusive holders from GameEvent, Item, Block, EntityType, and Fluid from unused instances of those types
+ public void clearIntrusiveHolder(final T instance) {
+ if (this.unregisteredIntrusiveHolders != null) {
+ this.unregisteredIntrusiveHolders.remove(instance);
+ }
+ }
+ // Paper end
}
diff --git a/src/main/java/net/minecraft/core/registries/BuiltInRegistries.java b/src/main/java/net/minecraft/core/registries/BuiltInRegistries.java
index 44b7927081b476813505cab6b3a2da2ec2942c54..c96bcd815ec9bf76625b5bedef461da49d7240ce 100644
--- a/src/main/java/net/minecraft/core/registries/BuiltInRegistries.java
+++ b/src/main/java/net/minecraft/core/registries/BuiltInRegistries.java
@@ -328,6 +328,7 @@ public class BuiltInRegistries {
}
public static void bootStrap(Runnable runnable) {
// Paper end
+ REGISTRY.freeze(); // Paper - freeze main registry early
createContents();
runnable.run(); // Paper
freeze();
@@ -346,6 +347,7 @@ public class BuiltInRegistries {
REGISTRY.freeze();
for (Registry<?> registry : REGISTRY) {
+ io.papermc.paper.registry.PaperRegistryListenerManager.INSTANCE.runFreezeListeners(registry.key()); // Paper
registry.freeze();
}
}
diff --git a/src/main/java/net/minecraft/resources/RegistryDataLoader.java b/src/main/java/net/minecraft/resources/RegistryDataLoader.java
index abadf4abe08dc3bb6612b42cbb3f7df3ffa28ce9..ce65f2ea462b920e5e14b8cb687ef371c311d242 100644
--- a/src/main/java/net/minecraft/resources/RegistryDataLoader.java
+++ b/src/main/java/net/minecraft/resources/RegistryDataLoader.java
@@ -136,6 +136,7 @@ public class RegistryDataLoader {
list.forEach(loader -> loadable.apply((RegistryDataLoader.Loader<?>)loader, registryInfoLookup));
list.forEach(loader -> {
Registry<?> registry = loader.registry();
+ io.papermc.paper.registry.PaperRegistryListenerManager.INSTANCE.runFreezeListeners(loader.registry.key()); // Paper - run pre-freeze listeners
try {
registry.freeze();
@@ -199,7 +200,7 @@ public class RegistryDataLoader {
JsonElement jsonElement = JsonParser.parseReader(reader);
DataResult<E> dataResult = decoder.parse(ops, jsonElement);
E object = dataResult.getOrThrow();
- registry.register(key, object, entryInfo);
+ io.papermc.paper.registry.PaperRegistryListenerManager.INSTANCE.registerWithListeners(registry, key, object, entryInfo); // Paper
}
}
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftRegistry.java b/src/main/java/org/bukkit/craftbukkit/CraftRegistry.java
index d21b7e39d71c785f47f790e1ad4be33a8e8e6e51..43d686a9958cff96f5b15d93e920c8f2313aa65b 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftRegistry.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftRegistry.java
@@ -156,11 +156,11 @@ public class CraftRegistry<B extends Keyed, M> implements Registry<B> {
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 final BiFunction<? super NamespacedKey, M, B> minecraftToBukkit; // Paper
private final BiFunction<NamespacedKey, ApiVersion, NamespacedKey> serializationUpdater; // Paper - rename to make it *clear* what it is *only* for
private boolean init;
- public CraftRegistry(Class<?> bukkitClass, net.minecraft.core.Registry<M> minecraftRegistry, BiFunction<NamespacedKey, M, B> minecraftToBukkit, BiFunction<NamespacedKey, ApiVersion, NamespacedKey> serializationUpdater) { // Paper - relax preload class
+ public CraftRegistry(Class<?> bukkitClass, net.minecraft.core.Registry<M> minecraftRegistry, BiFunction<? super NamespacedKey, M, B> minecraftToBukkit, BiFunction<NamespacedKey, ApiVersion, NamespacedKey> serializationUpdater) { // Paper - relax preload class
this.bukkitClass = bukkitClass;
this.minecraftRegistry = minecraftRegistry;
this.minecraftToBukkit = minecraftToBukkit;
diff --git a/src/main/resources/META-INF/services/io.papermc.paper.registry.event.RegistryEventTypeProvider b/src/main/resources/META-INF/services/io.papermc.paper.registry.event.RegistryEventTypeProvider
new file mode 100644
index 0000000000000000000000000000000000000000..8bee1a5ed877a04e4d027593df1f42cefdd824e7
--- /dev/null
+++ b/src/main/resources/META-INF/services/io.papermc.paper.registry.event.RegistryEventTypeProvider
@@ -0,0 +1 @@
+io.papermc.paper.registry.event.RegistryEventTypeProviderImpl
|