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70131e856d609c6b82bcf6b1a1ce861f9a73b001
MiraiMC/patches/server/0004-Reduce-constants-allocations.patch
Arthur Blanchot 70131e856d Add Petal patches + refactor configuration
2022-07-21 19:36:05 +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/world/ChunkEntitySlices.java b/src/main/java/io/papermc/paper/world/ChunkEntitySlices.java
index 85882eeb86d7b74db0219aa65783946d8083885d..06bcf27bf42ad1b6259999c25fe7ae80eab1263e 100644
--- a/src/main/java/io/papermc/paper/world/ChunkEntitySlices.java
+++ b/src/main/java/io/papermc/paper/world/ChunkEntitySlices.java
@@ -63,7 +63,7 @@ public final class ChunkEntitySlices {
}
}
- return ret.toArray(new org.bukkit.entity.Entity[0]);
+ return ret.toArray(me.titaniumtown.Constants.EMPTY_bukkit_entity_arr); // JettPack
}
// Paper end - optimise CraftChunk#getEntities
@@ -189,7 +189,7 @@ 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;
@@ -200,7 +200,7 @@ 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() {
@@ -212,7 +212,7 @@ 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/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 f346306d61854bdc6b395f5d8f799909537a1b50..3dd6526c3550a08f7da75ce0b80be4ba090ed272 100644
--- a/src/main/java/net/minecraft/nbt/ListTag.java
+++ b/src/main/java/net/minecraft/nbt/ListTag.java
@@ -217,7 +217,7 @@ public class ListTag extends CollectionTag<Tag> {
}
}
- return new int[0];
+ return me.titaniumtown.Constants.EMPTY_int_arr; // JettPack
}
public long[] getLongArray(int index) {
@@ -228,7 +228,7 @@ 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/network/Connection.java b/src/main/java/net/minecraft/network/Connection.java
index b65a3626d2e0817cd1e223ec3b10e82fa0339663..e3d2d71c31e2257810ee1da00958d43887062200 100644
--- a/src/main/java/net/minecraft/network/Connection.java
+++ b/src/main/java/net/minecraft/network/Connection.java
@@ -315,7 +315,7 @@ 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/server/Main.java b/src/main/java/net/minecraft/server/Main.java
index 0a843e0afbcb1af8e2641515eb244b791b819b8c..c420ce5c1bebdb0abe273d73a61a15e5424fb1bb 100644
--- a/src/main/java/net/minecraft/server/Main.java
+++ b/src/main/java/net/minecraft/server/Main.java
@@ -81,7 +81,7 @@ 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 e995aa81665bdf582f753acec3f0584f0060c851..f895903aaf0a69c65947c91f7f486f04991434d8 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -1371,8 +1371,8 @@ 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 871bce7f5acc1b9a058496f41d962ec2e724f620..f4569f8e53fc22a8a580fcaebbe773b497c11304 100644
--- a/src/main/java/net/minecraft/server/level/ServerEntity.java
+++ b/src/main/java/net/minecraft/server/level/ServerEntity.java
@@ -307,7 +307,7 @@ 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 32a39a150a3d2bbae95a726901f3f46363e34ecf..7b80dfb72b191bd86e5e4443efc87713814b6c4c 100644
--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
@@ -871,7 +871,7 @@ 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
}
@@ -1126,7 +1126,7 @@ 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 0960025c64fe2e8c055fcbf6e695ff90c1f41cd9..f4e12d6a122dc66505289651de105cfac5dd7b86 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -385,7 +385,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser
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
@@ -831,13 +831,13 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser
// 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
@@ -3138,7 +3138,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser
// 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 039b47e19d672ec9066c41fcc6342523992bf7b6..9903316fe3164a987a7745104c2f1875ca0c0a47 100644
--- a/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
@@ -285,8 +285,8 @@ public class ServerLoginPacketListenerImpl implements ServerLoginPacketListener
@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())) {
@@ -356,7 +356,7 @@ public class ServerLoginPacketListenerImpl implements ServerLoginPacketListener
@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 20cdfdb3b9351f74e89bc45b3ab972384165659a..4030818ff51eca95e1c2ec38c7eca5bff79a0a4a 100644
--- a/src/main/java/net/minecraft/server/players/PlayerList.java
+++ b/src/main/java/net/minecraft/server/players/PlayerList.java
@@ -734,7 +734,7 @@ 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/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 8a9b6cacfb87d4ba825f3386894c25631ecbb1f7..d8f7361960eff24022a15505dec00613310db3b0 100644
--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
@@ -3064,7 +3064,7 @@ 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 e8e60ea8b9e97ed87be78752f398ab25ba8e9a1b..9980df9128dfc51f2afbca8f4aa2031e3728796a 100644
--- a/src/main/java/net/minecraft/world/entity/Mob.java
+++ b/src/main/java/net/minecraft/world/entity/Mob.java
@@ -1021,7 +1021,7 @@ 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) {
@@ -1083,7 +1083,7 @@ 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) {
@@ -1170,7 +1170,7 @@ 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) {
@@ -1384,7 +1384,7 @@ 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 cff0ed9ae6e79f84870343e43574f384dd73ea88..79f5390cbbe014687010b110bcf572bdcff3339d 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 6b3cfc19c4fd1382ddf534265a1114995a4f6b55..24cf8fba9515dfbeb1422e69968c085f1d4f8f6e 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 a2a0bc4874a031c964a5cdb5bc26494cd01351eb..670e2ae1ef532089c0ba76d96f6ca23535599b1d 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 = this.entitySliceManager.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 2b1983d61fd3ed856770146de5cdfd33b4f63a46..c7ca1390bc8becb46dd843a4e1006af99b8639bb 100644
--- a/src/main/java/net/minecraft/world/level/block/ComposterBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/ComposterBlock.java
@@ -376,7 +376,7 @@ 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
@@ -425,7 +425,7 @@ 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
@@ -462,7 +462,7 @@ 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 4977f3fad3bfc12fd4c5f9fbe8beea2895247c57..f86ac933490d50179e09fa61e2f6e5af339249c3 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/org/bukkit/craftbukkit/CraftEquipmentSlot.java b/src/main/java/org/bukkit/craftbukkit/CraftEquipmentSlot.java
index e91714a66f582c14184ddb5e4bf2443d3ed45efb..375107cbc51b907342379bb5539500d76fb76a92 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftEquipmentSlot.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftEquipmentSlot.java
@@ -4,8 +4,8 @@ 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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