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c5a10665b8
Spigot still maintains some partial implementation of "tick skipping", a practice in which the MinecraftServer.currentTick field is updated not by an increment of one per actual tick, but instead set to System.currentTimeMillis() / 50. This behaviour means that the tracked tick may "skip" a tick value in case a previous tick took more than the expected 50ms. To compensate for this in important paths, spigot/craftbukkit implements "wall-time". Instead of incrementing/decrementing ticks on block entities/entities by one for each call to their tick() method, they instead increment/decrement important values, like an ItemEntity's age or pickupDelay, by the difference of `currentTick - lastTick`, where `lastTick` is the value of `currentTick` during the last tick() call. These "fixes" however do not play nicely with minecraft's simulation distance as entities/block entities implementing the above behaviour would "catch up" their values when moving from a non-ticking chunk to a ticking one as their `lastTick` value remains stuck on the last tick in a ticking chunk and hence lead to a large "catch up" once ticked again. Paper completely removes the "tick skipping" behaviour (See patch "Further-improve-server-tick-loop"), making the above precautions completely unnecessary, which also rids paper of the previous described incompatibility with non-ticking chunks.
103 lines
5.4 KiB
Diff
103 lines
5.4 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Jake Potrebic <jake.m.potrebic@gmail.com>
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Date: Wed, 20 Dec 2023 02:03:05 -0800
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Subject: [PATCH] Improve Registry
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diff --git a/src/main/java/org/bukkit/craftbukkit/CraftRegistry.java b/src/main/java/org/bukkit/craftbukkit/CraftRegistry.java
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index d1db491027a5e2d22a6c956b26a974a284d44c57..9b78bfd187a1bd5f99af5690f194441904956c7d 100644
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--- a/src/main/java/org/bukkit/craftbukkit/CraftRegistry.java
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+++ b/src/main/java/org/bukkit/craftbukkit/CraftRegistry.java
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@@ -155,6 +155,7 @@ public class CraftRegistry<B extends Keyed, M> implements Registry<B> {
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private final Class<?> bukkitClass; // Paper - relax preload class
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private final Map<NamespacedKey, B> cache = new HashMap<>();
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+ private final Map<B, NamespacedKey> byValue = new java.util.IdentityHashMap<>(); // Paper - improve Registry
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private final net.minecraft.core.Registry<M> minecraftRegistry;
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private final BiFunction<NamespacedKey, M, B> minecraftToBukkit;
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private final BiFunction<NamespacedKey, ApiVersion, NamespacedKey> serializationUpdater; // Paper - rename to make it *clear* what it is *only* for
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@@ -203,6 +204,7 @@ public class CraftRegistry<B extends Keyed, M> implements Registry<B> {
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}
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this.cache.put(namespacedKey, bukkit);
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+ this.byValue.put(bukkit, namespacedKey); // Paper - improve Registry
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return bukkit;
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}
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@@ -225,4 +227,11 @@ public class CraftRegistry<B extends Keyed, M> implements Registry<B> {
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return this.minecraftToBukkit.apply(namespacedKey, minecraft);
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}
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+
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+ // Paper start - improve Registry
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+ @Override
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+ public NamespacedKey getKey(final B value) {
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+ return this.byValue.get(value);
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+ }
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+ // Paper end - improve Registry
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}
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diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/trim/CraftTrimMaterial.java b/src/main/java/org/bukkit/craftbukkit/inventory/trim/CraftTrimMaterial.java
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index cd3e35867075e65f46051fb88d8a2460a8bb4b53..76627683f256a034a147765db693a9fd2ab9613f 100644
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--- a/src/main/java/org/bukkit/craftbukkit/inventory/trim/CraftTrimMaterial.java
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+++ b/src/main/java/org/bukkit/craftbukkit/inventory/trim/CraftTrimMaterial.java
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@@ -54,6 +54,7 @@ public class CraftTrimMaterial implements TrimMaterial, Handleable<net.minecraft
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@Override
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@NotNull
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public NamespacedKey getKey() {
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+ if (true) return java.util.Objects.requireNonNull(org.bukkit.Registry.TRIM_MATERIAL.getKey(this), () -> this + " doesn't have a key"); // Paper
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return this.key;
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}
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diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/trim/CraftTrimPattern.java b/src/main/java/org/bukkit/craftbukkit/inventory/trim/CraftTrimPattern.java
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index 364f8d7a7106259401154d91b1b79869d014a469..f336bf98574e4fdeabc3b210629834393ec11a74 100644
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--- a/src/main/java/org/bukkit/craftbukkit/inventory/trim/CraftTrimPattern.java
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+++ b/src/main/java/org/bukkit/craftbukkit/inventory/trim/CraftTrimPattern.java
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@@ -54,6 +54,7 @@ public class CraftTrimPattern implements TrimPattern, Handleable<net.minecraft.w
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@Override
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@NotNull
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public NamespacedKey getKey() {
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+ if (true) return java.util.Objects.requireNonNull(org.bukkit.Registry.TRIM_PATTERN.getKey(this), () -> this + " doesn't have a key"); // Paper
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return this.key;
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}
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diff --git a/src/test/java/org/bukkit/registry/PerRegistryTest.java b/src/test/java/org/bukkit/registry/PerRegistryTest.java
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index 4e4ea083063daf22f1bb785ef212958ea889c43b..dad7935f9a4c7c8bb2a755cc0631330a59834233 100644
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--- a/src/test/java/org/bukkit/registry/PerRegistryTest.java
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+++ b/src/test/java/org/bukkit/registry/PerRegistryTest.java
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@@ -48,19 +48,22 @@ public class PerRegistryTest extends AbstractTestingBase {
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@ParameterizedTest
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@MethodSource("data")
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- public void testGet(Registry<?> registry) {
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+ public <T extends Keyed> void testGet(Registry<T> registry) { // Paper - improve Registry
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registry.forEach(element -> {
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+ NamespacedKey key = registry.getKey(element); // Paper - improve Registry
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+ assertNotNull(key); // Paper - improve Registry
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// Values in the registry should be referentially equal to what is returned with #get()
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// This ensures that new instances are not created each time #get() is invoked
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- assertSame(element, registry.get(element.getKey()));
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+ assertSame(element, registry.get(key)); // Paper - improve Registry
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});
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}
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@ParameterizedTest
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@MethodSource("data")
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- public void testMatch(Registry<?> registry) {
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+ public <T extends Keyed> void testMatch(Registry<T> registry) { // Paper - improve Registry
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registry.forEach(element -> {
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- NamespacedKey key = element.getKey();
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+ NamespacedKey key = registry.getKey(element); // Paper - improve Registry
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+ assertNotNull(key); // Paper - improve Registry
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this.assertSameMatchWithKeyMessage(registry, element, key.toString()); // namespace:key
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this.assertSameMatchWithKeyMessage(registry, element, key.getKey()); // key
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@@ -71,7 +74,7 @@ public class PerRegistryTest extends AbstractTestingBase {
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});
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}
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- private void assertSameMatchWithKeyMessage(Registry<?> registry, Keyed element, String key) {
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+ private <T extends Keyed> void assertSameMatchWithKeyMessage(Registry<T> registry, T element, String key) { // Paper - improve Registry
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assertSame(element, registry.match(key), key);
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}
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