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MiraiMC/patches/server/0004-Reduce-constants-allocations.patch
etil2jz 1ea55a65e2 Update Upstream (Pufferfish)
2022-10-14 20:37:03 +02:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Simon Gardling <titaniumtown@gmail.com>
Date: Tue, 9 Nov 2021 16:53:39 -0500
Subject: [PATCH] Reduce constants allocations
This patch includes code from the lithium project under the GNU Lesser General Public License v3.0: https://github.com/CaffeineMC/lithium-fabric/ but also original code created by your's truly
Original code by Titaniumtown, licensed under GNU General Public License v3.0
You can find the original code on https://gitlab.com/Titaniumtown/JettPack
diff --git a/src/main/java/com/destroystokyo/paper/util/maplist/EntityList.java b/src/main/java/com/destroystokyo/paper/util/maplist/EntityList.java
index 0133ea6feb1ab88f021f66855669f58367e7420b..5f4ad69862b24b568b9e907563289624d196d6ea 100644
--- a/src/main/java/com/destroystokyo/paper/util/maplist/EntityList.java
+++ b/src/main/java/com/destroystokyo/paper/util/maplist/EntityList.java
@@ -17,9 +17,9 @@ public final class EntityList implements Iterable<Entity> {
this.entityToIndex.defaultReturnValue(Integer.MIN_VALUE);
}
- protected static final Entity[] EMPTY_LIST = new Entity[0];
+ //protected static final Entity[] EMPTY_LIST = new Entity[0]; // JettPack
- protected Entity[] entities = EMPTY_LIST;
+ protected Entity[] entities = me.titaniumtown.Constants.EMPTY_entity_arr; // JettPack
protected int count;
public int size() {
diff --git a/src/main/java/com/destroystokyo/paper/util/maplist/IBlockDataList.java b/src/main/java/com/destroystokyo/paper/util/maplist/IBlockDataList.java
index 277cfd9d1e8fff5d9b5e534b75c3c5162d58b0b7..093170c13b3980791373fb240c9ec6c5adfc1519 100644
--- a/src/main/java/com/destroystokyo/paper/util/maplist/IBlockDataList.java
+++ b/src/main/java/com/destroystokyo/paper/util/maplist/IBlockDataList.java
@@ -20,9 +20,9 @@ public final class IBlockDataList {
this.map.defaultReturnValue(Long.MAX_VALUE);
}
- private static final long[] EMPTY_LIST = new long[0];
+ //private static final long[] EMPTY_LIST = new long[0]; // JettPack
- private long[] byIndex = EMPTY_LIST;
+ private long[] byIndex = me.titaniumtown.Constants.EMPTY_long_arr; // JettPack
private int size;
public static int getLocationKey(final int x, final int y, final int z) {
diff --git a/src/main/java/io/papermc/paper/command/subcommands/VersionCommand.java b/src/main/java/io/papermc/paper/command/subcommands/VersionCommand.java
index ae60bd96b5284d54676d8e7e4dd5d170b526ec1e..2344ea858eda8e54c2eb3ccbdad464ed5934650c 100644
--- a/src/main/java/io/papermc/paper/command/subcommands/VersionCommand.java
+++ b/src/main/java/io/papermc/paper/command/subcommands/VersionCommand.java
@@ -14,7 +14,7 @@ public final class VersionCommand implements PaperSubcommand {
public boolean execute(final CommandSender sender, final String subCommand, final String[] args) {
final @Nullable Command ver = MinecraftServer.getServer().server.getCommandMap().getCommand("version");
if (ver != null) {
- ver.execute(sender, "paper", new String[0]);
+ ver.execute(sender, "paper", me.titaniumtown.Constants.EMPTY_string_arr); // JettPack
}
return true;
}
diff --git a/src/main/java/io/papermc/paper/world/ChunkEntitySlices.java b/src/main/java/io/papermc/paper/world/ChunkEntitySlices.java
index f597d65d56964297eeeed6c7e77703764178fee0..209c4f0b25470bff7278c0a8dcd30576900b9933 100644
--- a/src/main/java/io/papermc/paper/world/ChunkEntitySlices.java
+++ b/src/main/java/io/papermc/paper/world/ChunkEntitySlices.java
@@ -81,7 +81,7 @@ public final class ChunkEntitySlices {
}
}
- return ret.toArray(new org.bukkit.entity.Entity[0]);
+ return ret.toArray(me.titaniumtown.Constants.EMPTY_bukkit_entity_arr); // JettPack
}
public CompoundTag save() {
@@ -298,7 +298,7 @@ public final class ChunkEntitySlices {
protected static final class BasicEntityList<E extends Entity> {
- protected static final Entity[] EMPTY = new Entity[0];
+ //protected static final Entity[] EMPTY = new Entity[0]; // JettPack
protected static final int DEFAULT_CAPACITY = 4;
protected E[] storage;
@@ -309,7 +309,7 @@ public final class ChunkEntitySlices {
}
public BasicEntityList(final int cap) {
- this.storage = (E[])(cap <= 0 ? EMPTY : new Entity[cap]);
+ this.storage = (E[])(cap <= 0 ? me.titaniumtown.Constants.EMPTY_entity_arr : new Entity[cap]); // JettPack
}
public boolean isEmpty() {
@@ -321,7 +321,7 @@ public final class ChunkEntitySlices {
}
private void resize() {
- if (this.storage == EMPTY) {
+ if (this.storage == me.titaniumtown.Constants.EMPTY_entity_arr) { // JettPack
this.storage = (E[])new Entity[DEFAULT_CAPACITY];
} else {
this.storage = Arrays.copyOf(this.storage, this.storage.length * 2);
diff --git a/src/main/java/me/titaniumtown/Constants.java b/src/main/java/me/titaniumtown/Constants.java
new file mode 100644
index 0000000000000000000000000000000000000000..60bf30759a26c04c0f79ba739426aab1de955243
--- /dev/null
+++ b/src/main/java/me/titaniumtown/Constants.java
@@ -0,0 +1,16 @@
+package me.titaniumtown;
+
+import net.minecraft.core.BlockPos;
+
+public final class Constants {
+ private Constants() {}
+
+ public static final Object[] EMPTY_object_arr = new Object[0];
+ public static final int[] EMPTY_int_arr = new int[0];
+ public static final int[] ZERO_int_arr = new int[]{0};
+ public static final byte[] EMPTY_byte_arr = new byte[0];
+ public static final String[] EMPTY_string_arr = new String[0];
+ public static final long[] EMPTY_long_arr = new long[0];
+ public static final org.bukkit.entity.Entity[] EMPTY_bukkit_entity_arr = new org.bukkit.entity.Entity[0];
+ public static final net.minecraft.world.entity.Entity[] EMPTY_entity_arr = new net.minecraft.world.entity.Entity[0];
+}
\ No newline at end of file
diff --git a/src/main/java/net/minecraft/advancements/RequirementsStrategy.java b/src/main/java/net/minecraft/advancements/RequirementsStrategy.java
index 57d504d15794b1640ff7186f563d6ca5c2453d8c..97ca3c80af66884e74595a051224d54b9a8bde21 100644
--- a/src/main/java/net/minecraft/advancements/RequirementsStrategy.java
+++ b/src/main/java/net/minecraft/advancements/RequirementsStrategy.java
@@ -14,7 +14,7 @@ public interface RequirementsStrategy {
return strings;
};
RequirementsStrategy OR = (collection) -> {
- return new String[][]{collection.toArray(new String[0])};
+ return new String[][]{collection.toArray(me.titaniumtown.Constants.EMPTY_string_arr)}; // JettPack
};
String[][] createRequirements(Collection<String> criteriaNames);
diff --git a/src/main/java/net/minecraft/nbt/ByteArrayTag.java b/src/main/java/net/minecraft/nbt/ByteArrayTag.java
index 3dd8a189c26f41759c59c3b9d0e5282038989a9f..147beddf8ef369cdae4b1ed2dcd0d7b2fd865315 100644
--- a/src/main/java/net/minecraft/nbt/ByteArrayTag.java
+++ b/src/main/java/net/minecraft/nbt/ByteArrayTag.java
@@ -170,7 +170,7 @@ public class ByteArrayTag extends CollectionTag<ByteTag> {
}
public void clear() {
- this.data = new byte[0];
+ this.data = me.titaniumtown.Constants.EMPTY_byte_arr; // JettPack
}
@Override
diff --git a/src/main/java/net/minecraft/nbt/CompoundTag.java b/src/main/java/net/minecraft/nbt/CompoundTag.java
index 912fd5135e89348bdd3c0a8b6c07860ebc106df3..beecf9d1effea5cd12d1f826cc8071cd83b5a4d5 100644
--- a/src/main/java/net/minecraft/nbt/CompoundTag.java
+++ b/src/main/java/net/minecraft/nbt/CompoundTag.java
@@ -364,7 +364,7 @@ public class CompoundTag implements Tag {
throw new ReportedException(this.createReport(key, ByteArrayTag.TYPE, var3));
}
- return new byte[0];
+ return me.titaniumtown.Constants.EMPTY_byte_arr; // JettPack
}
public int[] getIntArray(String key) {
@@ -376,7 +376,7 @@ public class CompoundTag implements Tag {
throw new ReportedException(this.createReport(key, IntArrayTag.TYPE, var3));
}
- return new int[0];
+ return me.titaniumtown.Constants.EMPTY_int_arr; // JettPack
}
public long[] getLongArray(String key) {
@@ -388,7 +388,7 @@ public class CompoundTag implements Tag {
throw new ReportedException(this.createReport(key, LongArrayTag.TYPE, var3));
}
- return new long[0];
+ return me.titaniumtown.Constants.EMPTY_long_arr; // JettPack
}
public CompoundTag getCompound(String key) {
diff --git a/src/main/java/net/minecraft/nbt/IntArrayTag.java b/src/main/java/net/minecraft/nbt/IntArrayTag.java
index a14b01cee7a8d7022c4fa7264d349a76be143ba5..44f441d6c102fa5bd50071cae991a8a6ba0ec713 100644
--- a/src/main/java/net/minecraft/nbt/IntArrayTag.java
+++ b/src/main/java/net/minecraft/nbt/IntArrayTag.java
@@ -184,7 +184,7 @@ public class IntArrayTag extends CollectionTag<IntTag> {
}
public void clear() {
- this.data = new int[0];
+ this.data = me.titaniumtown.Constants.EMPTY_int_arr; // JettPack
}
@Override
diff --git a/src/main/java/net/minecraft/nbt/ListTag.java b/src/main/java/net/minecraft/nbt/ListTag.java
index 6a5e33d9821221be73f9c16afc17c9130248a231..29b7bde3ef3c5817910ccd5248e791f9e2948af7 100644
--- a/src/main/java/net/minecraft/nbt/ListTag.java
+++ b/src/main/java/net/minecraft/nbt/ListTag.java
@@ -218,7 +218,7 @@ public class ListTag extends CollectionTag<Tag> {
}
}
- return new int[0];
+ return me.titaniumtown.Constants.EMPTY_int_arr; // JettPack
}
public long[] getLongArray(int index) {
@@ -229,7 +229,7 @@ public class ListTag extends CollectionTag<Tag> {
}
}
- return new long[0];
+ return me.titaniumtown.Constants.EMPTY_long_arr; // JettPack
}
public double getDouble(int index) {
diff --git a/src/main/java/net/minecraft/nbt/LongArrayTag.java b/src/main/java/net/minecraft/nbt/LongArrayTag.java
index a39baec88dc9c73f1b592881ed96d11ab64ad785..710bb5579e23258c38a767f99d751576524f88f0 100644
--- a/src/main/java/net/minecraft/nbt/LongArrayTag.java
+++ b/src/main/java/net/minecraft/nbt/LongArrayTag.java
@@ -188,7 +188,7 @@ public class LongArrayTag extends CollectionTag<LongTag> {
@Override
public void clear() {
- this.data = new long[0];
+ this.data = me.titaniumtown.Constants.EMPTY_long_arr; // JettPack
}
@Override
diff --git a/src/main/java/net/minecraft/network/CipherBase.java b/src/main/java/net/minecraft/network/CipherBase.java
index a2920b8a9eff77d9c5d1d7f70ad3abdacba8f0fa..f7f19e360d712211625ff28e92f83949197c93b0 100644
--- a/src/main/java/net/minecraft/network/CipherBase.java
+++ b/src/main/java/net/minecraft/network/CipherBase.java
@@ -7,8 +7,8 @@ import javax.crypto.ShortBufferException;
public class CipherBase {
private final Cipher cipher;
- private byte[] heapIn = new byte[0];
- private byte[] heapOut = new byte[0];
+ private byte[] heapIn = me.titaniumtown.Constants.EMPTY_byte_arr; // JettPack
+ private byte[] heapOut = me.titaniumtown.Constants.EMPTY_byte_arr; // JettPack
protected CipherBase(Cipher cipher) {
this.cipher = cipher;
diff --git a/src/main/java/net/minecraft/network/Connection.java b/src/main/java/net/minecraft/network/Connection.java
index 6967c90c50ea75fb9dd5da808b2c8c8ea046ecec..2852c47afcba5633a747977e250e60a5d28b0e1e 100644
--- a/src/main/java/net/minecraft/network/Connection.java
+++ b/src/main/java/net/minecraft/network/Connection.java
@@ -311,7 +311,7 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
}
public void setListener(PacketListener listener) {
- Validate.notNull(listener, "packetListener", new Object[0]);
+ Validate.notNull(listener, "packetListener", me.titaniumtown.Constants.EMPTY_object_arr); // JettPack
this.packetListener = listener;
}
// Paper start
diff --git a/src/main/java/net/minecraft/network/chat/contents/TranslatableContents.java b/src/main/java/net/minecraft/network/chat/contents/TranslatableContents.java
index 02fb51f7f699992caf13d088c75b8275ec5267bb..11cb4ac19ddc09889117690ffec5191534a8adee 100644
--- a/src/main/java/net/minecraft/network/chat/contents/TranslatableContents.java
+++ b/src/main/java/net/minecraft/network/chat/contents/TranslatableContents.java
@@ -20,7 +20,7 @@ import net.minecraft.network.chat.Style;
import net.minecraft.world.entity.Entity;
public class TranslatableContents implements ComponentContents {
- private static final Object[] NO_ARGS = new Object[0];
+ private static final Object[] NO_ARGS = me.titaniumtown.Constants.EMPTY_object_arr; // JettPack
private static final FormattedText TEXT_PERCENT = FormattedText.of("%");
private static final FormattedText TEXT_NULL = FormattedText.of("null");
private final String key;
diff --git a/src/main/java/net/minecraft/server/Main.java b/src/main/java/net/minecraft/server/Main.java
index 5962f7a2b185d7d54a0f9e341a4fdf6e6f1c1ec5..0b677d128cbd108bb58d74d3cfe6015551e94143 100644
--- a/src/main/java/net/minecraft/server/Main.java
+++ b/src/main/java/net/minecraft/server/Main.java
@@ -85,7 +85,7 @@ public class Main {
OptionSpec<Void> optionspec6 = optionparser.accepts("safeMode", "Loads level with vanilla datapack only");
OptionSpec<Void> optionspec7 = optionparser.accepts("help").forHelp();
OptionSpec<String> optionspec8 = optionparser.accepts("singleplayer").withRequiredArg();
- OptionSpec<String> optionspec9 = optionparser.accepts("universe").withRequiredArg().defaultsTo(".", new String[0]);
+ OptionSpec<String> optionspec9 = optionparser.accepts("universe").withRequiredArg().defaultsTo(".", me.titaniumtown.Constants.EMPTY_string_arr); // JettPack
OptionSpec<String> optionspec10 = optionparser.accepts("world").withRequiredArg();
OptionSpec<Integer> optionspec11 = optionparser.accepts("port").withRequiredArg().ofType(Integer.class).defaultsTo(-1, new Integer[0]);
OptionSpec<String> optionspec12 = optionparser.accepts("serverId").withRequiredArg();
diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index da9623b90f3d25dc4c3e3aa269c4ccd2c8a0a52c..7ace6c1e81519b3e4f673d23627ca603fecb646d 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -1354,8 +1354,8 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
try {
BufferedImage bufferedimage = ImageIO.read(file);
- Validate.validState(bufferedimage.getWidth() == 64, "Must be 64 pixels wide", new Object[0]);
- Validate.validState(bufferedimage.getHeight() == 64, "Must be 64 pixels high", new Object[0]);
+ Validate.validState(bufferedimage.getWidth() == 64, "Must be 64 pixels wide", me.titaniumtown.Constants.EMPTY_object_arr); // JettPack
+ Validate.validState(bufferedimage.getHeight() == 64, "Must be 64 pixels high", me.titaniumtown.Constants.EMPTY_object_arr); // JettPack
ByteArrayOutputStream bytearrayoutputstream = new ByteArrayOutputStream();
ImageIO.write(bufferedimage, "PNG", bytearrayoutputstream);
diff --git a/src/main/java/net/minecraft/server/level/ServerEntity.java b/src/main/java/net/minecraft/server/level/ServerEntity.java
index 1eb912ad97f9663bf6bd336ad739f2552b0a5c9b..9901ffe9de585a73e9ef32c700b1e8702f8786d3 100644
--- a/src/main/java/net/minecraft/server/level/ServerEntity.java
+++ b/src/main/java/net/minecraft/server/level/ServerEntity.java
@@ -303,7 +303,7 @@ public class ServerEntity {
if (this.entity instanceof LivingEntity) {
List<Pair<EquipmentSlot, ItemStack>> list = Lists.newArrayList();
- EquipmentSlot[] aenumitemslot = EquipmentSlot.values();
+ EquipmentSlot[] aenumitemslot = EquipmentSlot.VALUES; // JettPack
int i = aenumitemslot.length;
for (int j = 0; j < i; ++j) {
diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
index 917cf327f3f9d824ec0da70fd9204624e7cf96fb..c8941cdcebf7b3d09a67a7213ef6eab3feef1cab 100644
--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
@@ -907,7 +907,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
BlockPos blockposition2 = blockposition.set(j + randomX, randomY, k + randomZ);
BlockState iblockdata = com.destroystokyo.paper.util.maplist.IBlockDataList.getBlockDataFromRaw(raw);
- iblockdata.randomTick(this, blockposition2, this.randomTickRandom);
+ iblockdata.randomTick(this, blockposition2.immutable(), this.randomTickRandom); // JettPack
// We drop the fluid tick since LAVA is ALREADY TICKED by the above method (See LiquidBlock).
// TODO CHECK ON UPDATE
}
@@ -1162,7 +1162,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
public static List<Entity> getCurrentlyTickingEntities() {
Entity ticking = currentlyTickingEntity.get();
- List<Entity> ret = java.util.Arrays.asList(ticking == null ? new Entity[0] : new Entity[] { ticking });
+ List<Entity> ret = java.util.Arrays.asList(ticking == null ? me.titaniumtown.Constants.EMPTY_entity_arr : new Entity[] { ticking }); // JettPack
return ret;
}
diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
index 59608a53bbf0eccf118b4d65557444f6532fedb4..50cbd7ca6394cc486b673fcf0d2bc4dc8c1f32de 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -410,7 +410,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
if (this.keepAlivePending) {
if (!this.processedDisconnect && elapsedTime >= KEEPALIVE_LIMIT) { // check keepalive limit, don't fire if already disconnected
ServerGamePacketListenerImpl.LOGGER.warn("{} was kicked due to keepalive timeout!", this.player.getScoreboardName()); // more info
- this.disconnect(Component.translatable("disconnect.timeout", new Object[0]), org.bukkit.event.player.PlayerKickEvent.Cause.TIMEOUT); // Paper - kick event cause
+ this.disconnect(Component.translatable("disconnect.timeout", me.titaniumtown.Constants.EMPTY_object_arr), org.bukkit.event.player.PlayerKickEvent.Cause.TIMEOUT); // Paper - kick event cause // JettPack
}
} else {
if (elapsedTime >= 15000L) { // 15 seconds
@@ -876,13 +876,13 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
// PacketUtils.ensureRunningOnSameThread(packet, this, this.player.getLevel()); // Paper - run this async
// CraftBukkit start
if (this.chatSpamTickCount.addAndGet(io.papermc.paper.configuration.GlobalConfiguration.get().spamLimiter.tabSpamIncrement) > io.papermc.paper.configuration.GlobalConfiguration.get().spamLimiter.tabSpamLimit && !this.server.getPlayerList().isOp(this.player.getGameProfile())) { // Paper start - split and make configurable
- server.scheduleOnMain(() -> this.disconnect(Component.translatable("disconnect.spam", new Object[0]), org.bukkit.event.player.PlayerKickEvent.Cause.SPAM)); // Paper - kick event cause
+ server.scheduleOnMain(() -> this.disconnect(Component.translatable("disconnect.spam", me.titaniumtown.Constants.EMPTY_object_arr), org.bukkit.event.player.PlayerKickEvent.Cause.SPAM)); // Paper - kick event cause // JettPack
return;
}
// Paper start
String str = packet.getCommand(); int index = -1;
if (str.length() > 64 && ((index = str.indexOf(' ')) == -1 || index >= 64)) {
- server.scheduleOnMain(() -> this.disconnect(Component.translatable("disconnect.spam", new Object[0]), org.bukkit.event.player.PlayerKickEvent.Cause.SPAM)); // Paper - kick event cause
+ server.scheduleOnMain(() -> this.disconnect(Component.translatable("disconnect.spam", me.titaniumtown.Constants.EMPTY_object_arr), org.bukkit.event.player.PlayerKickEvent.Cause.SPAM)); // Paper - kick event cause // JettPack
return;
}
// Paper end
@@ -3397,7 +3397,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
// Paper start
if (!org.bukkit.Bukkit.isPrimaryThread()) {
if (recipeSpamPackets.addAndGet(io.papermc.paper.configuration.GlobalConfiguration.get().spamLimiter.recipeSpamIncrement) > io.papermc.paper.configuration.GlobalConfiguration.get().spamLimiter.recipeSpamLimit) {
- server.scheduleOnMain(() -> this.disconnect(net.minecraft.network.chat.Component.translatable("disconnect.spam", new Object[0]), org.bukkit.event.player.PlayerKickEvent.Cause.SPAM)); // Paper - kick event cause
+ server.scheduleOnMain(() -> this.disconnect(net.minecraft.network.chat.Component.translatable("disconnect.spam", me.titaniumtown.Constants.EMPTY_object_arr), org.bukkit.event.player.PlayerKickEvent.Cause.SPAM)); // Paper - kick event cause // JettPack
return;
}
}
diff --git a/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
index b607f5ccbce10570f827dd21eb38504f42781d2f..d6f1cbea24de82ada6083749f079401dbcca1ced 100644
--- a/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
@@ -269,8 +269,8 @@ public class ServerLoginPacketListenerImpl implements TickablePacketListener, Se
@Override
public void handleHello(ServerboundHelloPacket packet) {
- Validate.validState(this.state == ServerLoginPacketListenerImpl.State.HELLO, "Unexpected hello packet", new Object[0]);
- Validate.validState(ServerLoginPacketListenerImpl.isValidUsername(packet.name()), "Invalid characters in username", new Object[0]);
+ Validate.validState(this.state == ServerLoginPacketListenerImpl.State.HELLO, "Unexpected hello packet", me.titaniumtown.Constants.EMPTY_object_arr); // JettPack
+ Validate.validState(ServerLoginPacketListenerImpl.isValidUsername(packet.name()), "Invalid characters in username", me.titaniumtown.Constants.EMPTY_object_arr); // JettPack
// Paper start - validate usernames
if (io.papermc.paper.configuration.GlobalConfiguration.get().proxies.isProxyOnlineMode() && io.papermc.paper.configuration.GlobalConfiguration.get().unsupportedSettings.performUsernameValidation) {
if (!this.iKnowThisMayNotBeTheBestIdeaButPleaseDisableUsernameValidation && !validateUsername(packet.name())) {
@@ -330,7 +330,7 @@ public class ServerLoginPacketListenerImpl implements TickablePacketListener, Se
@Override
public void handleKey(ServerboundKeyPacket packet) {
- Validate.validState(this.state == ServerLoginPacketListenerImpl.State.KEY, "Unexpected key packet", new Object[0]);
+ Validate.validState(this.state == ServerLoginPacketListenerImpl.State.KEY, "Unexpected key packet", me.titaniumtown.Constants.EMPTY_object_arr); // JettPack
final String s;
diff --git a/src/main/java/net/minecraft/server/players/PlayerList.java b/src/main/java/net/minecraft/server/players/PlayerList.java
index 06eda955f96b5fe2d08ed0d39229c7a6ebb88931..3fc95b7d7b41e078e1d219e29ada27aeab1320bf 100644
--- a/src/main/java/net/minecraft/server/players/PlayerList.java
+++ b/src/main/java/net/minecraft/server/players/PlayerList.java
@@ -741,7 +741,7 @@ public abstract class PlayerList {
while (iterator.hasNext()) {
entityplayer = (ServerPlayer) iterator.next();
this.save(entityplayer); // CraftBukkit - Force the player's inventory to be saved
- entityplayer.connection.disconnect(Component.translatable("multiplayer.disconnect.duplicate_login", new Object[0]), org.bukkit.event.player.PlayerKickEvent.Cause.DUPLICATE_LOGIN); // Paper - kick event cause
+ entityplayer.connection.disconnect(Component.translatable("multiplayer.disconnect.duplicate_login", me.titaniumtown.Constants.EMPTY_object_arr), org.bukkit.event.player.PlayerKickEvent.Cause.DUPLICATE_LOGIN); // Paper - kick event cause // JettPack
}
// Instead of kicking then returning, we need to store the kick reason
diff --git a/src/main/java/net/minecraft/server/players/StoredUserList.java b/src/main/java/net/minecraft/server/players/StoredUserList.java
index 4fd709a550bf8da1e996894a1ca6b91206c31e9e..63c0fe30ff035b6b5c1b4b35d3ad6c649d94e421 100644
--- a/src/main/java/net/minecraft/server/players/StoredUserList.java
+++ b/src/main/java/net/minecraft/server/players/StoredUserList.java
@@ -95,7 +95,7 @@ public abstract class StoredUserList<K, V extends StoredUserEntry<K>> {
}
public String[] getUserList() {
- return (String[]) this.map.keySet().toArray(new String[0]);
+ return (String[]) this.map.keySet().toArray(me.titaniumtown.Constants.EMPTY_string_arr); // JettPack
}
// CraftBukkit start
diff --git a/src/main/java/net/minecraft/util/MemoryReserve.java b/src/main/java/net/minecraft/util/MemoryReserve.java
index 0ee04fe6ff6a4d09754f326526ae04fe7226bab2..58217ddb1d63f3bb628cc40e5cc0959657a17938 100644
--- a/src/main/java/net/minecraft/util/MemoryReserve.java
+++ b/src/main/java/net/minecraft/util/MemoryReserve.java
@@ -11,6 +11,6 @@ public class MemoryReserve {
}
public static void release() {
- reserve = new byte[0];
+ reserve = me.titaniumtown.Constants.EMPTY_byte_arr; // JettPack
}
}
diff --git a/src/main/java/net/minecraft/util/ZeroBitStorage.java b/src/main/java/net/minecraft/util/ZeroBitStorage.java
index 5d8e9bdf5538b19681f21949368d862fab8a89ad..97c744508cc535418eba65fa722859c81c22d647 100644
--- a/src/main/java/net/minecraft/util/ZeroBitStorage.java
+++ b/src/main/java/net/minecraft/util/ZeroBitStorage.java
@@ -5,7 +5,7 @@ import java.util.function.IntConsumer;
import org.apache.commons.lang3.Validate;
public class ZeroBitStorage implements BitStorage {
- public static final long[] RAW = new long[0];
+ public static final long[] RAW = me.titaniumtown.Constants.EMPTY_long_arr; // JettPack
private final int size;
public ZeroBitStorage(int size) {
diff --git a/src/main/java/net/minecraft/world/entity/EquipmentSlot.java b/src/main/java/net/minecraft/world/entity/EquipmentSlot.java
index c82bb38b5b1c9204daef21455723d21509ad1c44..4aa044ab8748c01b0022096733e5bacf7220510a 100644
--- a/src/main/java/net/minecraft/world/entity/EquipmentSlot.java
+++ b/src/main/java/net/minecraft/world/entity/EquipmentSlot.java
@@ -12,6 +12,7 @@ public enum EquipmentSlot {
private final int index;
private final int filterFlag;
private final String name;
+ public static final EquipmentSlot[] VALUES = EquipmentSlot.values(); // JettPack
private EquipmentSlot(EquipmentSlot.Type type, int entityId, int armorStandId, String name) {
this.type = type;
diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
index 26efc49b4530112c8bd3f580ce375ab4203c9609..c0e316582e085873c05a76c16e612eabd2e8cf2a 100644
--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
@@ -3070,7 +3070,7 @@ public abstract class LivingEntity extends Entity {
@Nullable
private Map<EquipmentSlot, ItemStack> collectEquipmentChanges() {
Map<EquipmentSlot, ItemStack> map = null;
- EquipmentSlot[] aenumitemslot = EquipmentSlot.values();
+ EquipmentSlot[] aenumitemslot = EquipmentSlot.VALUES; // JettPack
int i = aenumitemslot.length;
for (int j = 0; j < i; ++j) {
diff --git a/src/main/java/net/minecraft/world/entity/Mob.java b/src/main/java/net/minecraft/world/entity/Mob.java
index e89b88eb3d4202ea7ff043dc9e92163332cd10d3..78b1fc7b4cacfc98a9e3e6ba93e17c3307d5449c 100644
--- a/src/main/java/net/minecraft/world/entity/Mob.java
+++ b/src/main/java/net/minecraft/world/entity/Mob.java
@@ -1027,7 +1027,7 @@ public abstract class Mob extends LivingEntity {
@Override
protected void dropCustomDeathLoot(DamageSource source, int lootingMultiplier, boolean allowDrops) {
super.dropCustomDeathLoot(source, lootingMultiplier, allowDrops);
- EquipmentSlot[] aenumitemslot = EquipmentSlot.values();
+ EquipmentSlot[] aenumitemslot = EquipmentSlot.VALUES; // JettPack
int j = aenumitemslot.length;
for (int k = 0; k < j; ++k) {
@@ -1089,7 +1089,7 @@ public abstract class Mob extends LivingEntity {
}
boolean flag = true;
- EquipmentSlot[] aenumitemslot = EquipmentSlot.values();
+ EquipmentSlot[] aenumitemslot = EquipmentSlot.VALUES; // JettPack
int j = aenumitemslot.length;
for (int k = 0; k < j; ++k) {
@@ -1176,7 +1176,7 @@ public abstract class Mob extends LivingEntity {
float f = localDifficulty.getSpecialMultiplier();
this.enchantSpawnedWeapon(random, f);
- EquipmentSlot[] aenumitemslot = EquipmentSlot.values();
+ EquipmentSlot[] aenumitemslot = EquipmentSlot.VALUES; // JettPack
int i = aenumitemslot.length;
for (int j = 0; j < i; ++j) {
@@ -1390,7 +1390,7 @@ public abstract class Mob extends LivingEntity {
t0.setInvulnerable(this.isInvulnerable());
if (flag) {
t0.setCanPickUpLoot(this.canPickUpLoot());
- EquipmentSlot[] aenumitemslot = EquipmentSlot.values();
+ EquipmentSlot[] aenumitemslot = EquipmentSlot.VALUES; // JettPack
int i = aenumitemslot.length;
for (int j = 0; j < i; ++j) {
diff --git a/src/main/java/net/minecraft/world/entity/monster/ZombieVillager.java b/src/main/java/net/minecraft/world/entity/monster/ZombieVillager.java
index fb0a77b4cf1ba47c73c00993bd9b7454240fe5d6..df1dfaea8b49794d9e3ecb792a129113829b60c9 100644
--- a/src/main/java/net/minecraft/world/entity/monster/ZombieVillager.java
+++ b/src/main/java/net/minecraft/world/entity/monster/ZombieVillager.java
@@ -233,7 +233,7 @@ public class ZombieVillager extends Zombie implements VillagerDataHolder {
return;
}
// CraftBukkit end
- EquipmentSlot[] aenumitemslot = EquipmentSlot.values();
+ EquipmentSlot[] aenumitemslot = EquipmentSlot.VALUES; // JettPack
int i = aenumitemslot.length;
for (int j = 0; j < i; ++j) {
diff --git a/src/main/java/net/minecraft/world/item/ItemStack.java b/src/main/java/net/minecraft/world/item/ItemStack.java
index c18a0bc94d0210396046f4475e49a739088593f3..4fea1c9873b4dd9c9f21722adbb02200487caf3c 100644
--- a/src/main/java/net/minecraft/world/item/ItemStack.java
+++ b/src/main/java/net/minecraft/world/item/ItemStack.java
@@ -969,7 +969,7 @@ public final class ItemStack {
int k;
if (ItemStack.shouldShowInTooltip(i, ItemStack.TooltipPart.MODIFIERS)) {
- EquipmentSlot[] aenumitemslot = EquipmentSlot.values();
+ EquipmentSlot[] aenumitemslot = EquipmentSlot.VALUES; // JettPack
k = aenumitemslot.length;
diff --git a/src/main/java/net/minecraft/world/item/crafting/ShapedRecipe.java b/src/main/java/net/minecraft/world/item/crafting/ShapedRecipe.java
index 9e3f9099cc47e6c6e40d11ef6d6e83fbf19a3cf7..b9c1db394ee35ed1acead620f7e9e47c60fa1532 100644
--- a/src/main/java/net/minecraft/world/item/crafting/ShapedRecipe.java
+++ b/src/main/java/net/minecraft/world/item/crafting/ShapedRecipe.java
@@ -242,7 +242,7 @@ public class ShapedRecipe implements CraftingRecipe {
}
if (pattern.length == l) {
- return new String[0];
+ return me.titaniumtown.Constants.EMPTY_string_arr; // JettPack
} else {
String[] astring1 = new String[pattern.length - l - k];
diff --git a/src/main/java/net/minecraft/world/item/enchantment/Enchantments.java b/src/main/java/net/minecraft/world/item/enchantment/Enchantments.java
index 1367908a54e1c1703d14b3c25852da5ec1b02019..be33c4c28bbc0bf80cbf2921664fcc4aaa465950 100644
--- a/src/main/java/net/minecraft/world/item/enchantment/Enchantments.java
+++ b/src/main/java/net/minecraft/world/item/enchantment/Enchantments.java
@@ -43,8 +43,8 @@ public class Enchantments {
public static final Enchantment MULTISHOT = Enchantments.register("multishot", new MultiShotEnchantment(Enchantment.Rarity.RARE, new EquipmentSlot[]{EquipmentSlot.MAINHAND}));
public static final Enchantment QUICK_CHARGE = Enchantments.register("quick_charge", new QuickChargeEnchantment(Enchantment.Rarity.UNCOMMON, new EquipmentSlot[]{EquipmentSlot.MAINHAND}));
public static final Enchantment PIERCING = Enchantments.register("piercing", new ArrowPiercingEnchantment(Enchantment.Rarity.COMMON, new EquipmentSlot[]{EquipmentSlot.MAINHAND}));
- public static final Enchantment MENDING = Enchantments.register("mending", new MendingEnchantment(Enchantment.Rarity.RARE, EquipmentSlot.values()));
- public static final Enchantment VANISHING_CURSE = Enchantments.register("vanishing_curse", new VanishingCurseEnchantment(Enchantment.Rarity.VERY_RARE, EquipmentSlot.values()));
+ public static final Enchantment MENDING = Enchantments.register("mending", new MendingEnchantment(Enchantment.Rarity.RARE, EquipmentSlot.VALUES)); // JettPack
+ public static final Enchantment VANISHING_CURSE = Enchantments.register("vanishing_curse", new VanishingCurseEnchantment(Enchantment.Rarity.VERY_RARE, EquipmentSlot.VALUES)); // JettPack
// CraftBukkit start
static {
diff --git a/src/main/java/net/minecraft/world/level/EntityBasedExplosionDamageCalculator.java b/src/main/java/net/minecraft/world/level/EntityBasedExplosionDamageCalculator.java
index 2f9f15d99f8b31e9f13f7f32378b2a9e09bcb5e5..b9579e3d1610ddcb5251baa2dd9462e0557c4cf4 100644
--- a/src/main/java/net/minecraft/world/level/EntityBasedExplosionDamageCalculator.java
+++ b/src/main/java/net/minecraft/world/level/EntityBasedExplosionDamageCalculator.java
@@ -15,9 +15,17 @@ public class EntityBasedExplosionDamageCalculator extends ExplosionDamageCalcula
@Override
public Optional<Float> getBlockExplosionResistance(Explosion explosion, BlockGetter world, BlockPos pos, BlockState blockState, FluidState fluidState) {
- return super.getBlockExplosionResistance(explosion, world, pos, blockState, fluidState).map((max) -> {
- return this.source.getBlockExplosionResistance(explosion, world, pos, blockState, fluidState, max);
- });
+ // JettPack start - lithium: reduce allocs
+ Optional<Float> optionalBlastResistance = super.getBlockExplosionResistance(explosion, world, pos, blockState, fluidState);
+ if (optionalBlastResistance.isPresent()) {
+ float blastResistance = optionalBlastResistance.get();
+ float effectiveExplosionResistance = this.source.getBlockExplosionResistance(explosion, world, pos, blockState, fluidState, blastResistance);
+ if (effectiveExplosionResistance != blastResistance) {
+ return Optional.of(effectiveExplosionResistance);
+ }
+ }
+ return optionalBlastResistance;
+ // JettPack end
}
@Override
diff --git a/src/main/java/net/minecraft/world/level/Level.java b/src/main/java/net/minecraft/world/level/Level.java
index 0277633fd328ef9993fea4ac29df83b5b00c0f42..0948242ecebe507c90af343faeffc7c9388fa7e4 100644
--- a/src/main/java/net/minecraft/world/level/Level.java
+++ b/src/main/java/net/minecraft/world/level/Level.java
@@ -1521,7 +1521,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
public org.bukkit.entity.Entity[] getChunkEntities(int chunkX, int chunkZ) {
io.papermc.paper.world.ChunkEntitySlices slices = ((ServerLevel)this).getEntityLookup().getChunk(chunkX, chunkZ);
if (slices == null) {
- return new org.bukkit.entity.Entity[0];
+ return me.titaniumtown.Constants.EMPTY_bukkit_entity_arr; // JettPack
}
return slices.getChunkEntities();
}
diff --git a/src/main/java/net/minecraft/world/level/block/ComposterBlock.java b/src/main/java/net/minecraft/world/level/block/ComposterBlock.java
index 492e3ffd6a4588a521486db631f3e8b2a25b74ec..111635d43ac0b93e089f5a115521a502ca463c39 100644
--- a/src/main/java/net/minecraft/world/level/block/ComposterBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/ComposterBlock.java
@@ -383,7 +383,7 @@ public class ComposterBlock extends Block implements WorldlyContainerHolder {
@Override
public int[] getSlotsForFace(Direction side) {
- return side == Direction.DOWN ? new int[]{0} : new int[0];
+ return side == Direction.DOWN ? me.titaniumtown.Constants.ZERO_int_arr : me.titaniumtown.Constants.EMPTY_int_arr; // JettPack
}
@Override
@@ -432,7 +432,7 @@ public class ComposterBlock extends Block implements WorldlyContainerHolder {
@Override
public int[] getSlotsForFace(Direction side) {
- return side == Direction.UP ? new int[]{0} : new int[0];
+ return side == Direction.UP ? me.titaniumtown.Constants.ZERO_int_arr : me.titaniumtown.Constants.EMPTY_int_arr; // JettPack
}
@Override
@@ -469,7 +469,7 @@ public class ComposterBlock extends Block implements WorldlyContainerHolder {
@Override
public int[] getSlotsForFace(Direction side) {
- return new int[0];
+ return me.titaniumtown.Constants.EMPTY_int_arr; // JettPack
}
@Override
diff --git a/src/main/java/net/minecraft/world/level/block/entity/AbstractFurnaceBlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/AbstractFurnaceBlockEntity.java
index c6aeda6497cb59673b469588142f5f15a338389d..ebf718cea97d4ff88e888675eeceeca253dc01cb 100644
--- a/src/main/java/net/minecraft/world/level/block/entity/AbstractFurnaceBlockEntity.java
+++ b/src/main/java/net/minecraft/world/level/block/entity/AbstractFurnaceBlockEntity.java
@@ -64,7 +64,7 @@ public abstract class AbstractFurnaceBlockEntity extends BaseContainerBlockEntit
protected static final int SLOT_FUEL = 1;
protected static final int SLOT_RESULT = 2;
public static final int DATA_LIT_TIME = 0;
- private static final int[] SLOTS_FOR_UP = new int[]{0};
+ private static final int[] SLOTS_FOR_UP = me.titaniumtown.Constants.ZERO_int_arr; // JettPack
private static final int[] SLOTS_FOR_DOWN = new int[]{2, 1};
private static final int[] SLOTS_FOR_SIDES = new int[]{1};
public static final int DATA_LIT_DURATION = 1;
diff --git a/src/main/java/net/minecraft/world/level/storage/PlayerDataStorage.java b/src/main/java/net/minecraft/world/level/storage/PlayerDataStorage.java
index 601f8099f74e81c17600566b3c9b7a6dd39c9bcb..f816fae46568b83ef4441bd3bb06f2081308921e 100644
--- a/src/main/java/net/minecraft/world/level/storage/PlayerDataStorage.java
+++ b/src/main/java/net/minecraft/world/level/storage/PlayerDataStorage.java
@@ -119,7 +119,7 @@ public class PlayerDataStorage {
String[] astring = this.playerDir.list();
if (astring == null) {
- astring = new String[0];
+ astring = me.titaniumtown.Constants.EMPTY_string_arr; // JettPack
}
for (int i = 0; i < astring.length; ++i) {
diff --git a/src/main/java/net/minecraft/world/scores/Team.java b/src/main/java/net/minecraft/world/scores/Team.java
index 16d2aa4556bc9f32a2def7f9ca282aa3fa23fb87..290a0d35e1e4ca8b7281aa6d8cdb66dabdadf0f7 100644
--- a/src/main/java/net/minecraft/world/scores/Team.java
+++ b/src/main/java/net/minecraft/world/scores/Team.java
@@ -80,7 +80,7 @@ public abstract class Team {
public final int id;
public static String[] getAllNames() {
- return BY_NAME.keySet().toArray(new String[0]);
+ return BY_NAME.keySet().toArray(me.titaniumtown.Constants.EMPTY_string_arr); // JettPack
}
@Nullable
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftEquipmentSlot.java b/src/main/java/org/bukkit/craftbukkit/CraftEquipmentSlot.java
index 402a238cf502003a232bb95473bd13e59e067fab..6ab50d7ed8481d14152f19a4b63a3d96e52a40a7 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftEquipmentSlot.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftEquipmentSlot.java
@@ -5,8 +5,8 @@ import org.bukkit.inventory.EquipmentSlot;
public class CraftEquipmentSlot {
- private static final net.minecraft.world.entity.EquipmentSlot[] slots = new net.minecraft.world.entity.EquipmentSlot[EquipmentSlot.values().length];
- private static final EquipmentSlot[] enums = new EquipmentSlot[net.minecraft.world.entity.EquipmentSlot.values().length];
+ private static final net.minecraft.world.entity.EquipmentSlot[] slots = net.minecraft.world.entity.EquipmentSlot.VALUES; // JettPack
+ private static final EquipmentSlot[] enums = new EquipmentSlot[net.minecraft.world.entity.EquipmentSlot.VALUES.length]; // JettPack
static {
set(EquipmentSlot.HAND, net.minecraft.world.entity.EquipmentSlot.MAINHAND);
diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/CraftEntityEquipment.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftEntityEquipment.java
index 6827979a5b270ced53b46ecb9eff548727dadb81..4b42ae96bc786d2a9d57086ae8d1f5cadc70f2bb 100644
--- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftEntityEquipment.java
+++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftEntityEquipment.java
@@ -165,7 +165,7 @@ public class CraftEntityEquipment implements EntityEquipment {
@Override
public void clear() {
- for (net.minecraft.world.entity.EquipmentSlot slot : net.minecraft.world.entity.EquipmentSlot.values()) {
+ for (net.minecraft.world.entity.EquipmentSlot slot : net.minecraft.world.entity.EquipmentSlot.VALUES) { // JettPack
this.setEquipment(slot, null, false);
}
}
diff --git a/src/main/java/org/bukkit/craftbukkit/util/WeakCollection.java b/src/main/java/org/bukkit/craftbukkit/util/WeakCollection.java
index 049d750d3af991dd14ac8cf644330404e74b2151..2f69484a8970f78c11f8fbb187e7a9f8f0fb994d 100644
--- a/src/main/java/org/bukkit/craftbukkit/util/WeakCollection.java
+++ b/src/main/java/org/bukkit/craftbukkit/util/WeakCollection.java
@@ -166,7 +166,7 @@ public final class WeakCollection<T> implements Collection<T> {
@Override
public Object[] toArray() {
- return this.toArray(new Object[0]);
+ return this.toArray(me.titaniumtown.Constants.EMPTY_object_arr); // JettPack
}
@Override
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