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https://github.com/PaperMC/Paper.git
synchronisiert 2024-12-17 12:00:07 +01:00
b68b282439
Upstream has released updates that appears to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Warning: this commit contains more mapping changes from upstream, As always, ensure that you have working backups and test this build before deployment; Developers working on paper will, yet again, need to delete their work/Minecraft/1.13.2 folder Bukkit Changes: 7fca5fd4 SPIGOT-4558: Preserve user order in the face of copied defaults in configurations 15c9b1eb Ignore spurious slot IDs sent by client, e.g. in enchanting tables 5d2a10c5 SPIGOT-3747: Add API for force loaded chunks d6dd2bb3 SPIGOT-3538: Add getHitBlockFace for ProjectileHitEvent 771db4aa SPIGOT-794: Call EntityPlaceEvent for Minecart placement 55462509 Add InventoryView#getSlotType 2f3ce5b6 Remove EntityTransformEvent and CustomItemTagContainer from draft API f04ad7b6 Make ProjectileLaunchEvent extend EntitySpawnEvent ccb85808 Define EntitySpawnEvent b8cc3ebe Add PlayerItemDamageEvent 184a495d Ease ClassLoader Deadlocks Where Possible 11ac4728 Expand Boolean Prompt Values in Conversation API aae62d51 Added getAllSessionData() to the Conversation API. 9290ff91 Add InventoryView#getInventory API 995e530f Add API to get / set base arrow damage CraftBukkit Changes:c4a67eed
SPIGOT-4556: Fix plugins closing inventory during drop events5be2ddcb
Replace version constants with methods to prevent compiler inlininga5b9c7b3
Use API method to create offset command completions2bc7d1df
SPIGOT-3747: Add API for force loaded chunksa408f375
SPIGOT-3538: Add getHitBlockFace for ProjectileHitEventb54b9409
SPIGOT-2864: Make Arrow / Item setTicksLived behave like FallingBlock79ded7a8
SPIGOT-1811: Death message not shown on respawn screenb4a4f15d
SPIGOT-943: InventoryCloseEvent called on death regardless of open inventory0afed592
SPIGOT-794: Call EntityPlaceEvent for Minecart placement2b2d084a
Add InventoryView#getSlotType01a9959a
Do not use deprecated ItemSpawnEvent constructor9642498d
SPIGOT-4547: Call EntitySpawnEvent as general spawn fallback event963f4a5f
Add PlayerItemDamageEvent63db0445
Add API to get / set base arrow damage531c25d7
Add CraftMagicNumbers.MAPPINGS_VERSION for use by NMS pluginsd05c8b14
Mappings Updatebd36e200
SPIGOT-4551: Ignore invalid attribute modifier slots Spigot Changes: 518206a1 Remove redundant trove depend 1959ad21 MC-11211,SPIGOT-4552: Fix placing double slabs at y = 255 29ab5e43 SPIGOT-3661: Allow arguments in restart-script 7cc46316 SPIGOT-852: Growth modifiers for beetroots, potatoes, carrots 82e117e1 Squelch "fatal: Resolve operation not in progress" message 0a1a68e7 Mappings Update & Patch Rebuild
104 Zeilen
4.5 KiB
Diff
104 Zeilen
4.5 KiB
Diff
From 6e49834ea2f19d8731df052ac9de3f2a04b8abe9 Mon Sep 17 00:00:00 2001
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From: egg82 <phantom_zero@ymail.com>
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Date: Tue, 7 Aug 2018 01:24:23 -0600
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Subject: [PATCH] Use ConcurrentHashMap in JsonList
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This is specifically aimed at fixing #471
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Using a ConcurrentHashMap because thread safety
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The performance benefit of Map over ConcurrentMap is negligabe at best in this scenaio, as most operations will be get and not add or remove
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Even without considering the use-case the benefits are still negligable
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Original ideas for the system included an expiration policy and/or handler
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The simpler solution was to use a computeIfPresent in the get method
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This will simultaneously have an O(1) lookup time and automatically expire any values
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Since the get method (nor other similar methods) don't seem to have a critical need to flush the map to disk at any of these points further processing is simply wasteful
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Meaning the original function expired values unrelated to the current value without actually having any explicit need to
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The h method was heavily modified to be much more efficient in its processing
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Also instead of being called on every get, it's now called just before a save
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This will eliminate stale values being flushed to disk
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Modified isEmpty to use the isEmpty() method instead of the slightly confusing size() < 1
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The point of this is readability, but does have a side-benefit of a small microptimization
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Finally, added a couple obfhelpers for the modified code
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diff --git a/src/main/java/net/minecraft/server/JsonList.java b/src/main/java/net/minecraft/server/JsonList.java
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index 026ef7939..b7cde4d41 100644
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--- a/src/main/java/net/minecraft/server/JsonList.java
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+++ b/src/main/java/net/minecraft/server/JsonList.java
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@@ -35,7 +35,8 @@ public class JsonList<K, V extends JsonListEntry<K>> {
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protected static final Logger a = LogManager.getLogger();
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protected final Gson b;
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private final File c;
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- private final Map<String, V> d = Maps.newHashMap();
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+ // Paper - replace HashMap is ConcurrentHashMap
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+ private final Map<String, V> d = Maps.newConcurrentMap(); private final Map<String, V> getBackingMap() { return this.d; } // Paper - OBFHELPER
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private boolean e = true;
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private static final ParameterizedType f = new ParameterizedType() {
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public Type[] getActualTypeArguments() {
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@@ -84,8 +85,13 @@ public class JsonList<K, V extends JsonListEntry<K>> {
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@Nullable
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public V get(K k0) {
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- this.h();
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- return (V) this.d.get(this.a(k0)); // CraftBukkit - fix decompile error
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+ // Paper start
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+ // this.h();
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+ // return (V) this.d.get(this.a(k0)); // CraftBukkit - fix decompile error
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+ return (V) this.getBackingMap().computeIfPresent(this.getMappingKey(k0), (k, v) -> {
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+ return v.hasExpired() ? null : v;
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+ });
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+ // Paper end
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}
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public void remove(K k0) {
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@@ -114,9 +120,11 @@ public class JsonList<K, V extends JsonListEntry<K>> {
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// CraftBukkit end
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public boolean isEmpty() {
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- return this.d.size() < 1;
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+ // return this.d.size() < 1; // Paper
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+ return this.getBackingMap().isEmpty(); // Paper - readability is the goal. As an aside, isEmpty() uses only sumCount() and a comparison. size() uses sumCount(), casts, and boolean logic
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}
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+ protected final String getMappingKey(K k0) { return a(k0); } // Paper - OBFHELPER
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protected String a(K k0) {
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return k0.toString();
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}
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@@ -125,8 +133,9 @@ public class JsonList<K, V extends JsonListEntry<K>> {
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return this.d.containsKey(this.a(k0));
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}
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+ private void removeStaleEntries() { h(); } // Paper - OBFHELPER
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private void h() {
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- List<K> list = Lists.newArrayList();
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+ /*List<K> list = Lists.newArrayList();
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Iterator iterator = this.d.values().iterator();
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while (iterator.hasNext()) {
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@@ -143,8 +152,10 @@ public class JsonList<K, V extends JsonListEntry<K>> {
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K k0 = (K) iterator.next(); // CraftBukkit - decompile error
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this.d.remove(this.a(k0));
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- }
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+ }*/
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+ this.getBackingMap().values().removeIf(JsonListEntry::hasExpired);
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+ // Paper end
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}
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protected JsonListEntry<K> a(JsonObject jsonobject) {
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@@ -156,6 +167,7 @@ public class JsonList<K, V extends JsonListEntry<K>> {
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}
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public void save() throws IOException {
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+ this.removeStaleEntries(); // Paper - remove expired values before saving
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Collection<V> collection = this.d.values();
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String s = this.b.toJson(collection);
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BufferedWriter bufferedwriter = null;
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--
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2.20.1
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