More patch work

This commit is contained in:
Nassim Jahnke 2024-04-24 18:15:59 +02:00
parent bd5d09cb3f
commit fe5f51f44e
35 changed files with 68 additions and 419 deletions

View File

@ -39,9 +39,9 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
+ // Paper start - ItemFactory#getSpawnEgg (paper had original method that returned ItemStack, upstream added identical but returned Material)
+ if (owner.equals("org/bukkit/inventory/ItemFactory") && name.equals("getSpawnEgg") && desc.equals("(Lorg/bukkit/entity/EntityType;)Lorg/bukkit/inventory/ItemStack;")) {
+ super.visitInsn(Opcodes.SWAP); // has 1 param, this moves the owner instance to the top for the checkcast
+ super.visitTypeInsn(Opcodes.CHECKCAST, CB_PACKAGE + "/inventory/CraftItemFactory");
+ super.visitTypeInsn(Opcodes.CHECKCAST, CB_PACKAGE_PREFIX + "inventory/CraftItemFactory");
+ super.visitInsn(Opcodes.SWAP); // moves param back to the the top of stack
+ super.visitMethodInsn(Opcodes.INVOKEVIRTUAL, CB_PACKAGE + "/inventory/CraftItemFactory", "getSpawnEgg0", desc, false);
+ super.visitMethodInsn(Opcodes.INVOKEVIRTUAL, CB_PACKAGE_PREFIX + "inventory/CraftItemFactory", "getSpawnEgg0", desc, false);
+ return;
+ }
+ // Paper end - ItemFactory#getSpawnEgg

View File

@ -9,13 +9,13 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
--- a/src/main/java/net/minecraft/world/entity/decoration/ItemFrame.java
+++ b/src/main/java/net/minecraft/world/entity/decoration/ItemFrame.java
@@ -0,0 +0,0 @@ package net.minecraft.world.entity.decoration;
import com.mojang.logging.LogUtils;
import java.util.OptionalInt;
import javax.annotation.Nullable;
+import io.papermc.paper.event.player.PlayerItemFrameChangeEvent; // Paper - Add PlayerItemFrameChangeEvent
import net.minecraft.core.BlockPos;
import net.minecraft.core.Direction;
import net.minecraft.nbt.CompoundTag;
import net.minecraft.core.component.DataComponents;
@@ -0,0 +0,0 @@ public class ItemFrame extends HangingEntity {
return true;
}
@ -43,9 +43,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
+ this.setItem(ItemStack.fromBukkitCopy(event.getItemStack()));
+ // Paper end - Add PlayerItemFrameChangeEvent
this.gameEvent(GameEvent.BLOCK_CHANGE, player);
if (!player.getAbilities().instabuild) {
itemstack.shrink(1);
}
itemstack.consume(1, player);
}
} else {
+ // Paper start - Add PlayerItemFrameChangeEvent

View File

@ -52,7 +52,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
@Override
@@ -0,0 +0,0 @@ public class CampfireBlockEntity extends BlockEntity implements Clearable {
ContainerHelper.saveAllItems(nbt, this.items, true);
ContainerHelper.saveAllItems(nbt, this.items, true, registryLookup);
nbt.putIntArray("CookingTimes", this.cookingProgress);
nbt.putIntArray("CookingTotalTimes", this.cookingTime);
+ // Paper start - Add more Campfire API
@ -70,8 +70,8 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
--- a/src/main/java/org/bukkit/craftbukkit/block/CraftCampfire.java
+++ b/src/main/java/org/bukkit/craftbukkit/block/CraftCampfire.java
@@ -0,0 +0,0 @@ public class CraftCampfire extends CraftBlockEntityState<CampfireBlockEntity> im
public CraftCampfire copy() {
return new CraftCampfire(this);
public CraftCampfire copy(Location location) {
return new CraftCampfire(this, location);
}
+
+ // Paper start

View File

@ -18,8 +18,8 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
for (int i = 0; i < cs.length; i++) {
- CompoundTag data = new CompoundTag();
- data.put("block_states", ChunkSerializer.BLOCK_STATE_CODEC.encodeStart(NbtOps.INSTANCE, cs[i].getStates()).get().left().get());
- sectionBlockIDs[i] = ChunkSerializer.BLOCK_STATE_CODEC.parse(NbtOps.INSTANCE, data.getCompound("block_states")).get().left().get();
- data.put("block_states", ChunkSerializer.BLOCK_STATE_CODEC.encodeStart(NbtOps.INSTANCE, cs[i].getStates()).getOrThrow());
- sectionBlockIDs[i] = ChunkSerializer.BLOCK_STATE_CODEC.parse(NbtOps.INSTANCE, data.getCompound("block_states")).getOrThrow(ChunkSerializer.ChunkReadException::new);
+ // Paper start - Fix ChunkSnapshot#isSectionEmpty(int); and remove codec usage
+ sectionEmpty[i] = cs[i].hasOnlyAir(); // fix sectionEmpty array not being filled
+ if (!sectionEmpty[i]) {
@ -35,8 +35,8 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
}
if (biome != null) {
- data.put("biomes", biomeCodec.encodeStart(NbtOps.INSTANCE, cs[i].getBiomes()).get().left().get());
- biome[i] = biomeCodec.parse(NbtOps.INSTANCE, data.getCompound("biomes")).get().left().get();
- data.put("biomes", biomeCodec.encodeStart(NbtOps.INSTANCE, cs[i].getBiomes()).getOrThrow());
- biome[i] = biomeCodec.parse(NbtOps.INSTANCE, data.getCompound("biomes")).getOrThrow(ChunkSerializer.ChunkReadException::new);
+ biome[i] = ((PalettedContainer<Holder<net.minecraft.world.level.biome.Biome>>) cs[i].getBiomes()).copy(); // Paper - Perf: use copy instead of round tripping with codecs
}
}

View File

@ -81,7 +81,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
+++ b/src/main/java/net/minecraft/world/level/block/MangrovePropaguleBlock.java
@@ -0,0 +0,0 @@ public class MangrovePropaguleBlock extends SaplingBlock implements SimpleWaterl
@Override
public void randomTick(BlockState state, ServerLevel world, BlockPos pos, RandomSource random) {
protected void randomTick(BlockState state, ServerLevel world, BlockPos pos, RandomSource random) {
if (!isHanging(state)) {
- if (random.nextInt(7) == 0) {
+ if (random.nextFloat() < (world.spigotConfig.saplingModifier / (100.0F * 7))) { // Paper - Fix Spigot growth modifiers

View File

@ -8,7 +8,7 @@ diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/jav
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -0,0 +0,0 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
@@ -0,0 +0,0 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess
}
public void restoreFrom(Entity original) {
@ -22,7 +22,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
CompoundTag nbttagcompound = original.saveWithoutId(new CompoundTag());
nbttagcompound.remove("Dimension");
@@ -0,0 +0,0 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
@@ -0,0 +0,0 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess
}
}
// CraftBukkit end

View File

@ -17,8 +17,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
+ return new ClientboundSetPlayerTeamPacket(team.getName(), operation == ClientboundSetPlayerTeamPacket.Action.ADD ? 3 : 4, Optional.empty(), players);
+ }
+ // Paper end - Multiple Entries with Scoreboards
+
public ClientboundSetPlayerTeamPacket(FriendlyByteBuf buf) {
private ClientboundSetPlayerTeamPacket(RegistryFriendlyByteBuf buf) {
this.name = buf.readUtf();
this.method = buf.readByte();
diff --git a/src/main/java/net/minecraft/server/ServerScoreboard.java b/src/main/java/net/minecraft/server/ServerScoreboard.java

View File

@ -0,0 +1,40 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Nassim Jahnke <nassim@njahnke.dev>
Date: Thu, 25 Nov 2021 10:25:09 +0100
Subject: [PATCH] Prevent excessive velocity through repeated crits
diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
@@ -0,0 +0,0 @@ public abstract class LivingEntity extends Entity implements Attackable {
return this.hasEffect(MobEffects.JUMP) ? 0.1F * ((float) this.getEffect(MobEffects.JUMP).getAmplifier() + 1.0F) : 0.0F;
}
+ protected long lastJumpTime = 0L; // Paper - Prevent excessive velocity through repeated crits
protected void jumpFromGround() {
float f = this.getJumpPower();
if (f > 1.0E-5F) {
Vec3 vec3d = this.getDeltaMovement();
+ // Paper start - Prevent excessive velocity through repeated crits
+ long time = System.nanoTime();
+ boolean canCrit = true;
+ if (this instanceof net.minecraft.world.entity.player.Player) {
+ canCrit = false;
+ if (time - this.lastJumpTime > (long)(0.250e9)) {
+ this.lastJumpTime = time;
+ canCrit = true;
+ }
+ }
+ // Paper end - Prevent excessive velocity through repeated crits
this.setDeltaMovement(vec3d.x, (double) f, vec3d.z);
if (this.isSprinting()) {
float f1 = this.getYRot() * 0.017453292F;
-
+ if (canCrit) // Paper - Prevent excessive velocity through repeated crits
this.addDeltaMovement(new Vec3((double) (-Mth.sin(f1)) * 0.2D, 0.0D, (double) Mth.cos(f1) * 0.2D));
}

View File

@ -9,19 +9,19 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
--- a/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerLoginPacketListenerImpl.java
@@ -0,0 +0,0 @@ public class ServerLoginPacketListenerImpl implements ServerLoginPacketListener,
public GameProfile authenticatedProfile; // Paper - public
private final String serverId;
private final boolean transferred;
private ServerPlayer player; // CraftBukkit
+ public boolean iKnowThisMayNotBeTheBestIdeaButPleaseDisableUsernameValidation = false; // Paper - username validation overriding
public ServerLoginPacketListenerImpl(MinecraftServer server, Connection connection) {
public ServerLoginPacketListenerImpl(MinecraftServer server, Connection connection, boolean transferred) {
this.state = ServerLoginPacketListenerImpl.State.HELLO;
@@ -0,0 +0,0 @@ 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(Player.isValidUsername(packet.name()), "Invalid characters in username", new Object[0]);
+ if (io.papermc.paper.configuration.GlobalConfiguration.get().proxies.isProxyOnlineMode() && io.papermc.paper.configuration.GlobalConfiguration.get().unsupportedSettings.performUsernameValidation && !this.iKnowThisMayNotBeTheBestIdeaButPleaseDisableUsernameValidation) Validate.validState(Player.isValidUsername(packet.name()), "Invalid characters in username", new Object[0]); // Paper - config username validation
- Validate.validState(StringUtil.isValidPlayerName(packet.name()), "Invalid characters in username", new Object[0]);
+ if (io.papermc.paper.configuration.GlobalConfiguration.get().proxies.isProxyOnlineMode() && io.papermc.paper.configuration.GlobalConfiguration.get().unsupportedSettings.performUsernameValidation && !this.iKnowThisMayNotBeTheBestIdeaButPleaseDisableUsernameValidation) Validate.validState(StringUtil.isValidPlayerName(packet.name()), "Invalid characters in username", new Object[0]); // Paper - config username validation
this.requestedUsername = packet.name();
GameProfile gameprofile = this.server.getSingleplayerProfile();
@ -38,17 +38,15 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
list.add(entityplayer);
}
}
diff --git a/src/main/java/net/minecraft/world/entity/player/Player.java b/src/main/java/net/minecraft/world/entity/player/Player.java
diff --git a/src/main/java/net/minecraft/util/StringUtil.java b/src/main/java/net/minecraft/util/StringUtil.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/world/entity/player/Player.java
+++ b/src/main/java/net/minecraft/world/entity/player/Player.java
@@ -0,0 +0,0 @@ public abstract class Player extends LivingEntity {
--- a/src/main/java/net/minecraft/util/StringUtil.java
+++ b/src/main/java/net/minecraft/util/StringUtil.java
@@ -0,0 +0,0 @@ public class StringUtil {
}
public static boolean isValidUsername(String name) {
- return name.length() > 16 ? false : name.chars().filter((i) -> {
- return i <= 32 || i >= 127;
- }).findAny().isEmpty();
public static boolean isValidPlayerName(String name) {
- return name.length() <= 16 && name.chars().filter(c -> c <= 32 || c >= 127).findAny().isEmpty();
+ // Paper start - username validation overriding
+ if (name == null || name.isEmpty() || name.length() > 16) {
+ return false;
@ -68,4 +66,4 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
+ // Paper end - username validation overriding
}
public static float getPickRange(boolean creative) {
public static String filterText(String string) {

View File

@ -8,7 +8,7 @@ diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/jav
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -0,0 +0,0 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
@@ -0,0 +0,0 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess
// CraftBukkit start
public void postTick() {
// No clean way to break out of ticking once the entity has been copied to a new world, so instead we move the portalling later in the tick cycle

View File

@ -1,19 +0,0 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Owen1212055 <23108066+Owen1212055@users.noreply.github.com>
Date: Mon, 21 Jun 2021 22:12:53 -0400
Subject: [PATCH] Always allow item changing in Fireball
diff --git a/src/main/java/net/minecraft/world/entity/projectile/Fireball.java b/src/main/java/net/minecraft/world/entity/projectile/Fireball.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/world/entity/projectile/Fireball.java
+++ b/src/main/java/net/minecraft/world/entity/projectile/Fireball.java
@@ -0,0 +0,0 @@ public abstract class Fireball extends AbstractHurtingProjectile implements Item
}
public void setItem(ItemStack stack) {
- if (!stack.is(Items.FIRE_CHARGE) || stack.hasTag()) {
+ if (true || !stack.is(Items.FIRE_CHARGE) || stack.hasTag()) { // Paper - always allow item changing
this.getEntityData().set(Fireball.DATA_ITEM_STACK, stack.copyWithCount(1));
}

View File

@ -1,49 +0,0 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jake Potrebic <jake.m.potrebic@gmail.com>
Date: Sat, 21 Aug 2021 21:54:16 -0700
Subject: [PATCH] Fix bees aging inside hives
Fixes bees incorrectly being aged up due to upstream's
resetting the ticks inside hive on a failed release
diff --git a/src/main/java/net/minecraft/world/level/block/entity/BeehiveBlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/BeehiveBlockEntity.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/world/level/block/entity/BeehiveBlockEntity.java
+++ b/src/main/java/net/minecraft/world/level/block/entity/BeehiveBlockEntity.java
@@ -0,0 +0,0 @@ public class BeehiveBlockEntity extends BlockEntity {
for (Iterator iterator = bees.iterator(); iterator.hasNext(); ++tileentitybeehive_hivebee.ticksInHive) {
tileentitybeehive_hivebee = (BeehiveBlockEntity.BeeData) iterator.next();
- if (tileentitybeehive_hivebee.ticksInHive > tileentitybeehive_hivebee.minOccupationTicks) {
+ if (tileentitybeehive_hivebee.exitTickCounter > tileentitybeehive_hivebee.minOccupationTicks) { // Paper - Fix bees aging inside hives; use exitTickCounter
BeehiveBlockEntity.BeeReleaseStatus tileentitybeehive_releasestatus = tileentitybeehive_hivebee.entityData.getBoolean("HasNectar") ? BeehiveBlockEntity.BeeReleaseStatus.HONEY_DELIVERED : BeehiveBlockEntity.BeeReleaseStatus.BEE_RELEASED;
if (BeehiveBlockEntity.releaseOccupant(world, pos, state, tileentitybeehive_hivebee, (List) null, tileentitybeehive_releasestatus, flowerPos)) {
@@ -0,0 +0,0 @@ public class BeehiveBlockEntity extends BlockEntity {
iterator.remove();
// CraftBukkit start
} else {
- tileentitybeehive_hivebee.ticksInHive = tileentitybeehive_hivebee.minOccupationTicks / 2; // Not strictly Vanilla behaviour in cases where bees cannot spawn but still reasonable
+ tileentitybeehive_hivebee.exitTickCounter = tileentitybeehive_hivebee.minOccupationTicks / 2; // Not strictly Vanilla behaviour in cases where bees cannot spawn but still reasonable // Paper - Fix bees aging inside hives; use exitTickCounter to keep actual bee life
// CraftBukkit end
}
}
+ tileentitybeehive_hivebee.exitTickCounter++; // Paper - Fix bees aging inside hives
}
if (flag) {
@@ -0,0 +0,0 @@ public class BeehiveBlockEntity extends BlockEntity {
final CompoundTag entityData;
int ticksInHive;
+ int exitTickCounter; // Paper - Fix bees aging inside hives; separate counter for checking if bee should exit to reduce exit attempts
final int minOccupationTicks;
BeeData(CompoundTag entityData, int ticksInHive, int minOccupationTicks) {
BeehiveBlockEntity.removeIgnoredBeeTags(entityData);
this.entityData = entityData;
this.ticksInHive = ticksInHive;
+ this.exitTickCounter = ticksInHive; // Paper - Fix bees aging inside hives
this.minOccupationTicks = minOccupationTicks;
}
}

View File

@ -1,50 +0,0 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jake Potrebic <jake.m.potrebic@gmail.com>
Date: Tue, 30 Nov 2021 12:01:56 -0800
Subject: [PATCH] Fix removing recipes from RecipeIterator
== AT ==
public net.minecraft.world.item.crafting.RecipeManager byName
diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/RecipeIterator.java b/src/main/java/org/bukkit/craftbukkit/inventory/RecipeIterator.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/org/bukkit/craftbukkit/inventory/RecipeIterator.java
+++ b/src/main/java/org/bukkit/craftbukkit/inventory/RecipeIterator.java
@@ -0,0 +0,0 @@ import org.bukkit.inventory.Recipe;
public class RecipeIterator implements Iterator<Recipe> {
private final Iterator<Map.Entry<RecipeType<?>, Object2ObjectLinkedOpenHashMap<ResourceLocation, RecipeHolder<?>>>> recipes;
private Iterator<RecipeHolder<?>> current;
+ private Recipe currentRecipe; // Paper - fix removing recipes from RecipeIterator
public RecipeIterator() {
this.recipes = MinecraftServer.getServer().getRecipeManager().recipes.entrySet().iterator();
@@ -0,0 +0,0 @@ public class RecipeIterator implements Iterator<Recipe> {
public Recipe next() {
if (this.current == null || !this.current.hasNext()) {
this.current = this.recipes.next().getValue().values().iterator();
- return this.next();
+ // Paper start - fix removing recipes from RecipeIterator
+ this.currentRecipe = this.next();
+ return this.currentRecipe;
+ // Paper end - fix removing recipes from RecipeIterator
}
- return this.current.next().toBukkitRecipe();
+ // Paper start - fix removing recipes from RecipeIterator
+ this.currentRecipe = this.current.next().toBukkitRecipe();
+ return this.currentRecipe;
+ // Paper end - fix removing recipes from RecipeIterator
}
@Override
public void remove() {
Preconditions.checkState(this.current != null, "next() not yet called");
+
+ // Paper start - fix removing recipes from RecipeIterator
+ if (this.currentRecipe instanceof org.bukkit.Keyed keyed) {
+ MinecraftServer.getServer().getRecipeManager().byName.remove(org.bukkit.craftbukkit.util.CraftNamespacedKey.toMinecraft(keyed.getKey()));
+ }
+ // Paper end - fix removing recipes from RecipeIterator
this.current.remove();
}
}

View File

@ -1,125 +0,0 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Noah van der Aa <ndvdaa@gmail.com>
Date: Tue, 3 Aug 2021 17:28:27 +0200
Subject: [PATCH] Hide unnecessary itemmeta from clients
diff --git a/src/main/java/net/minecraft/server/level/ServerEntity.java b/src/main/java/net/minecraft/server/level/ServerEntity.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/server/level/ServerEntity.java
+++ b/src/main/java/net/minecraft/server/level/ServerEntity.java
@@ -0,0 +0,0 @@ public class ServerEntity {
if (!itemstack.isEmpty()) {
// Paper start - prevent oversized data
final ItemStack sanitized = LivingEntity.sanitizeItemStack(itemstack.copy(), false);
- list.add(Pair.of(enumitemslot, sanitized));
+ list.add(Pair.of(enumitemslot, ((LivingEntity) this.entity).stripMeta(sanitized, false))); // Paper - Hide unnecessary item meta
// Paper end - prevent oversized data
}
}
diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -0,0 +0,0 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
// Refresh the current entity metadata
entity.getEntityData().refresh(ServerGamePacketListenerImpl.this.player);
// SPIGOT-7136 - Allays
- if (entity instanceof Allay) {
- ServerGamePacketListenerImpl.this.send(new ClientboundSetEquipmentPacket(entity.getId(), Arrays.stream(net.minecraft.world.entity.EquipmentSlot.values()).map((slot) -> Pair.of(slot, ((LivingEntity) entity).getItemBySlot(slot).copy())).collect(Collectors.toList())));
+ if (entity instanceof Allay allay) { // Paper - Hide unnecessary item meta
+ ServerGamePacketListenerImpl.this.send(new ClientboundSetEquipmentPacket(entity.getId(), Arrays.stream(net.minecraft.world.entity.EquipmentSlot.values()).map((slot) -> Pair.of(slot, allay.stripMeta(allay.getItemBySlot(slot), true))).collect(Collectors.toList()))); // Paper - Hide unnecessary item meta
ServerGamePacketListenerImpl.this.player.containerMenu.sendAllDataToRemote();
}
}
diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
@@ -0,0 +0,0 @@ public abstract class LivingEntity extends Entity implements Attackable {
// Paper start - prevent oversized data
ItemStack toSend = sanitizeItemStack(itemstack1, true);
- list.add(Pair.of(enumitemslot, toSend));
+ list.add(Pair.of(enumitemslot, stripMeta(toSend, toSend == itemstack1))); // Paper - Hide unnecessary item meta
// Paper end - prevent oversized data
switch (enumitemslot.getType()) {
case HAND:
@@ -0,0 +0,0 @@ public abstract class LivingEntity extends Entity implements Attackable {
((ServerLevel) this.level()).getChunkSource().broadcast(this, new ClientboundSetEquipmentPacket(this.getId(), list));
}
+ // Paper start - Hide unnecessary item meta
+ public ItemStack stripMeta(final ItemStack itemStack, final boolean copyItemStack) {
+ if (itemStack.isEmpty() || (!itemStack.hasTag() && itemStack.getCount() < 2)) {
+ return itemStack;
+ }
+
+ final ItemStack copy = copyItemStack ? itemStack.copy() : itemStack;
+ if (this.level().paperConfig().anticheat.obfuscation.items.hideDurability) {
+ // Only show damage values for elytra's, since they show a different texture when broken.
+ if (!copy.is(Items.ELYTRA) || copy.getDamageValue() < copy.getMaxDamage() - 1) {
+ copy.setDamageValue(0);
+ }
+ }
+
+ final CompoundTag tag = copy.getTag();
+ if (this.level().paperConfig().anticheat.obfuscation.items.hideItemmeta) {
+ // Some resource packs show different textures when there is more than one item. Since this shouldn't provide a big advantage,
+ // we'll tell the client if there's one or (more than) two items.
+ copy.setCount(copy.getCount() > 1 ? 2 : 1);
+ // We can't just strip out display, leather helmets still use the display.color tag.
+ if (tag != null) {
+ if (tag.get("display") instanceof CompoundTag displayTag) {
+ displayTag.remove("Lore");
+ displayTag.remove("Name");
+ }
+
+ if (tag.get("Enchantments") instanceof ListTag enchantmentsTag && !enchantmentsTag.isEmpty()) {
+ // The client still renders items with the enchantment glow if the enchantments tag contains at least one (empty) child.
+ ListTag enchantments = new ListTag();
+ CompoundTag fakeEnchantment = new CompoundTag();
+ // Soul speed boots generate client side particles.
+ if (EnchantmentHelper.getItemEnchantmentLevel(Enchantments.SOUL_SPEED, itemStack) > 0) {
+ fakeEnchantment.putString("id", org.bukkit.enchantments.Enchantment.SOUL_SPEED.getKey().asString());
+ fakeEnchantment.putInt("lvl", 1);
+ }
+ enchantments.add(fakeEnchantment);
+ tag.put("Enchantments", enchantments);
+ }
+ tag.remove("AttributeModifiers");
+ tag.remove("Unbreakable");
+ tag.remove("PublicBukkitValues"); // Persistent data container1
+
+ // Books
+ tag.remove("author");
+ tag.remove("filtered_title");
+ tag.remove("pages");
+ tag.remove("filtered_pages");
+ tag.remove("title");
+ tag.remove("generation");
+
+ // Filled maps
+ tag.remove("map");
+ tag.remove("map_scale_direction");
+ tag.remove("map_to_lock");
+ }
+ }
+
+ if (this.level().paperConfig().anticheat.obfuscation.items.hideItemmetaWithVisualEffects && tag != null) {
+ // Lodestone compasses
+ tag.remove("LodestonePos");
+ if (tag.contains("LodestoneDimension")) {
+ // The client shows the glint if either the position or the dimension is present, so we just wipe
+ // the position and fake the dimension
+ tag.putString("LodestoneDimension", "paper:paper");
+ }
+ }
+
+ return copy;
+ }
+ // Paper end - Hide unnecessary item meta
+
// Paper start - prevent oversized data
public static ItemStack sanitizeItemStack(final ItemStack itemStack, final boolean copyItemStack) {
if (itemStack.isEmpty() || !itemStack.hasTag()) {

View File

@ -1,20 +0,0 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jake Potrebic <jake.m.potrebic@gmail.com>
Date: Tue, 21 Dec 2021 22:13:26 -0800
Subject: [PATCH] Load effect amplifiers greater than 127 correctly
MOJIRA: MC-118857
diff --git a/src/main/java/net/minecraft/world/effect/MobEffectInstance.java b/src/main/java/net/minecraft/world/effect/MobEffectInstance.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/world/effect/MobEffectInstance.java
+++ b/src/main/java/net/minecraft/world/effect/MobEffectInstance.java
@@ -0,0 +0,0 @@ public class MobEffectInstance implements Comparable<MobEffectInstance> {
}
private static MobEffectInstance loadSpecifiedEffect(MobEffect type, CompoundTag nbt) {
- int i = nbt.getByte("amplifier");
+ int i = Byte.toUnsignedInt(nbt.getByte("amplifier")); // Paper - correctly load amplifiers > 127
int j = nbt.getInt("duration");
boolean bl = nbt.getBoolean("ambient");
boolean bl2 = true;

View File

@ -1,37 +0,0 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Nassim Jahnke <nassim@njahnke.dev>
Date: Thu, 25 Nov 2021 10:25:09 +0100
Subject: [PATCH] Prevent excessive velocity through repeated crits
diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
@@ -0,0 +0,0 @@ public abstract class LivingEntity extends Entity implements Attackable {
return this.hasEffect(MobEffects.JUMP) ? 0.1F * ((float) this.getEffect(MobEffects.JUMP).getAmplifier() + 1.0F) : 0.0F;
}
+ protected long lastJumpTime = 0L; // Paper - Prevent excessive velocity through repeated crits
protected void jumpFromGround() {
Vec3 vec3d = this.getDeltaMovement();
+ // Paper start - Prevent excessive velocity through repeated crits
+ long time = System.nanoTime();
+ boolean canCrit = true;
+ if (this instanceof net.minecraft.world.entity.player.Player) {
+ canCrit = false;
+ if (time - this.lastJumpTime > (long)(0.250e9)) {
+ this.lastJumpTime = time;
+ canCrit = true;
+ }
+ }
+ // Paper end - Prevent excessive velocity through repeated crits
this.setDeltaMovement(vec3d.x, (double) this.getJumpPower(), vec3d.z);
if (this.isSprinting()) {
float f = this.getYRot() * 0.017453292F;
+ if (canCrit) // Paper - Prevent excessive velocity through repeated crits
this.setDeltaMovement(this.getDeltaMovement().add((double) (-Mth.sin(f) * 0.2F), 0.0D, (double) (Mth.cos(f) * 0.2F)));
}

View File

@ -1,86 +0,0 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Nassim Jahnke <nassim@njahnke.dev>
Date: Wed, 1 Dec 2021 12:36:25 +0100
Subject: [PATCH] Prevent sending oversized item data in equipment and metadata
diff --git a/src/main/java/net/minecraft/network/syncher/EntityDataSerializers.java b/src/main/java/net/minecraft/network/syncher/EntityDataSerializers.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/network/syncher/EntityDataSerializers.java
+++ b/src/main/java/net/minecraft/network/syncher/EntityDataSerializers.java
@@ -0,0 +0,0 @@ public class EntityDataSerializers {
public static final EntityDataSerializer<ItemStack> ITEM_STACK = new EntityDataSerializer<ItemStack>() {
@Override
public void write(FriendlyByteBuf buf, ItemStack value) {
- buf.writeItem(value);
+ buf.writeItem(net.minecraft.world.entity.LivingEntity.sanitizeItemStack(value, true)); // Paper - prevent oversized data
}
@Override
diff --git a/src/main/java/net/minecraft/server/level/ServerEntity.java b/src/main/java/net/minecraft/server/level/ServerEntity.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/server/level/ServerEntity.java
+++ b/src/main/java/net/minecraft/server/level/ServerEntity.java
@@ -0,0 +0,0 @@ public class ServerEntity {
ItemStack itemstack = ((LivingEntity) this.entity).getItemBySlot(enumitemslot);
if (!itemstack.isEmpty()) {
- list.add(Pair.of(enumitemslot, itemstack.copy()));
+ // Paper start - prevent oversized data
+ final ItemStack sanitized = LivingEntity.sanitizeItemStack(itemstack.copy(), false);
+ list.add(Pair.of(enumitemslot, sanitized));
+ // Paper end - prevent oversized data
}
}
diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
@@ -0,0 +0,0 @@ public abstract class LivingEntity extends Entity implements Attackable {
equipmentChanges.forEach((enumitemslot, itemstack) -> {
ItemStack itemstack1 = itemstack.copy();
- list.add(Pair.of(enumitemslot, itemstack1));
+ // Paper start - prevent oversized data
+ ItemStack toSend = sanitizeItemStack(itemstack1, true);
+ list.add(Pair.of(enumitemslot, toSend));
+ // Paper end - prevent oversized data
switch (enumitemslot.getType()) {
case HAND:
this.setLastHandItem(enumitemslot, itemstack1);
@@ -0,0 +0,0 @@ public abstract class LivingEntity extends Entity implements Attackable {
((ServerLevel) this.level()).getChunkSource().broadcast(this, new ClientboundSetEquipmentPacket(this.getId(), list));
}
+ // Paper start - prevent oversized data
+ public static ItemStack sanitizeItemStack(final ItemStack itemStack, final boolean copyItemStack) {
+ if (itemStack.isEmpty() || !itemStack.hasTag()) {
+ return itemStack;
+ }
+
+ final ItemStack copy = copyItemStack ? itemStack.copy() : itemStack;
+ final CompoundTag tag = copy.getTag();
+ if (copy.is(Items.BUNDLE) && tag.get("Items") instanceof ListTag oldItems && !oldItems.isEmpty()) {
+ // Bundles change their texture based on their fullness.
+ org.bukkit.inventory.meta.BundleMeta bundleMeta = (org.bukkit.inventory.meta.BundleMeta) copy.asBukkitMirror().getItemMeta();
+ int sizeUsed = 0;
+ for (org.bukkit.inventory.ItemStack item : bundleMeta.getItems()) {
+ int scale = 64 / item.getMaxStackSize();
+ sizeUsed += scale * item.getAmount();
+ }
+ // Now we add a single fake item that uses the same amount of slots as all other items.
+ ListTag items = new ListTag();
+ items.add(new ItemStack(Items.PAPER, sizeUsed).save(new CompoundTag()));
+ tag.put("Items", items);
+ }
+ if (tag.get("BlockEntityTag") instanceof CompoundTag blockEntityTag) {
+ blockEntityTag.remove("Items");
+ }
+ return copy;
+ }
+ // Paper end - prevent oversized data
+
private ItemStack getLastArmorItem(EquipmentSlot slot) {
return (ItemStack) this.lastArmorItemStacks.get(slot.getIndex());
}