31699ae9a8
* Updated Upstream (Bukkit/CraftBukkit) Upstream has released updates that appear to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Bukkit Changes: a6a9d2a4 Remove some old ApiStatus.Experimental annotations be72314c SPIGOT-7300, PR-829: Add new DamageSource API providing enhanced information about entity damage b252cf05 SPIGOT-7576, PR-970: Add methods in MushroomCow to change stew effects b1c689bd PR-902: Add Server#isLoggingIPs to get log-ips configuration 08f86d1c PR-971: Add Player methods for client-side potion effects 2e3024a9 PR-963: Add API for in-world structures a23292a7 SPIGOT-7530, PR-948: Improve Resource Pack API with new 1.20.3 functionality 1851857b SPIGOT-3071, PR-969: Add entity spawn method with spawn reason cde4c52a SPIGOT-5553, PR-964: Add EntityKnockbackEvent CraftBukkit Changes: 38fd4bd50 Fix accidentally renamed internal damage method 80f0ce4be SPIGOT-7300, PR-1180: Add new DamageSource API providing enhanced information about entity damage 7e43f3b16 SPIGOT-7581: Fix typo in BlockMushroom ea14b7d90 SPIGOT-7576, PR-1347: Add methods in MushroomCow to change stew effects 4c687f243 PR-1259: Add Server#isLoggingIPs to get log-ips configuration 22a541a29 Improve support for per-world game rules cb7dccce2 PR-1348: Add Player methods for client-side potion effects b8d6109f0 PR-1335: Add API for in-world structures 4398a1b5b SPIGOT-7577: Make CraftWindCharge#explode discard the entity e74107678 Fix Crafter maximum stack size 0bb0f4f6a SPIGOT-7530, PR-1314: Improve Resource Pack API with new 1.20.3 functionality 4949f556d SPIGOT-3071, PR-1345: Add entity spawn method with spawn reason 20ac73ca2 PR-1353: Fix Structure#place not working as documented with 0 palette 3c1b77871 SPIGOT-6911, PR-1349: Change max book length in CraftMetaBook 333701839 SPIGOT-7572: Bee nests generated without bees f48f4174c SPIGOT-5553, PR-1336: Add EntityKnockbackEvent
126 Zeilen
7.6 KiB
Diff
126 Zeilen
7.6 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Noah van der Aa <ndvdaa@gmail.com>
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Date: Tue, 3 Aug 2021 17:28:27 +0200
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Subject: [PATCH] Hide unnecessary itemmeta from clients
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diff --git a/src/main/java/net/minecraft/server/level/ServerEntity.java b/src/main/java/net/minecraft/server/level/ServerEntity.java
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index 86f6e5bad325dd3d817b643388b196121624b8c7..062225ac8b5fbc44290352d78b215640691f3c23 100644
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--- a/src/main/java/net/minecraft/server/level/ServerEntity.java
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+++ b/src/main/java/net/minecraft/server/level/ServerEntity.java
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@@ -337,7 +337,7 @@ public class ServerEntity {
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if (!itemstack.isEmpty()) {
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// Paper start - prevent oversized data
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final ItemStack sanitized = LivingEntity.sanitizeItemStack(itemstack.copy(), false);
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- list.add(Pair.of(enumitemslot, sanitized));
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+ list.add(Pair.of(enumitemslot, ((LivingEntity) this.entity).stripMeta(sanitized, false))); // Paper - Hide unnecessary item meta
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// Paper end - prevent oversized data
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}
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}
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diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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index bf790227e9716a9f678bea1914430c1c65027468..1fb3e89d6f7f9d048f083e80b1259480d4e67ef9 100644
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--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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@@ -2561,8 +2561,8 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
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// Refresh the current entity metadata
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entity.getEntityData().refresh(ServerGamePacketListenerImpl.this.player);
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// SPIGOT-7136 - Allays
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- if (entity instanceof Allay) {
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- 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())));
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+ if (entity instanceof Allay allay) { // Paper - Hide unnecessary item meta
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+ 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
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ServerGamePacketListenerImpl.this.player.containerMenu.sendAllDataToRemote();
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}
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}
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diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
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index fa11c0b3125ac74538848018fe6d8c88b78bfb2e..4e781939e7c980d095a4b0fdd11736ec48b4ecfa 100644
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--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
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+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
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@@ -3202,7 +3202,7 @@ public abstract class LivingEntity extends Entity implements Attackable {
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// Paper start - prevent oversized data
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ItemStack toSend = sanitizeItemStack(itemstack1, true);
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- list.add(Pair.of(enumitemslot, toSend));
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+ list.add(Pair.of(enumitemslot, stripMeta(toSend, toSend == itemstack1))); // Paper - Hide unnecessary item meta
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// Paper end - prevent oversized data
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switch (enumitemslot.getType()) {
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case HAND:
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@@ -3216,6 +3216,77 @@ public abstract class LivingEntity extends Entity implements Attackable {
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((ServerLevel) this.level()).getChunkSource().broadcast(this, new ClientboundSetEquipmentPacket(this.getId(), list));
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}
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+ // Paper start - Hide unnecessary item meta
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+ public ItemStack stripMeta(final ItemStack itemStack, final boolean copyItemStack) {
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+ if (itemStack.isEmpty() || (!itemStack.hasTag() && itemStack.getCount() < 2)) {
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+ return itemStack;
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+ }
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+
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+ final ItemStack copy = copyItemStack ? itemStack.copy() : itemStack;
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+ if (this.level().paperConfig().anticheat.obfuscation.items.hideDurability) {
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+ // Only show damage values for elytra's, since they show a different texture when broken.
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+ if (!copy.is(Items.ELYTRA) || copy.getDamageValue() < copy.getMaxDamage() - 1) {
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+ copy.setDamageValue(0);
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+ }
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+ }
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+
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+ final CompoundTag tag = copy.getTag();
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+ if (this.level().paperConfig().anticheat.obfuscation.items.hideItemmeta) {
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+ // Some resource packs show different textures when there is more than one item. Since this shouldn't provide a big advantage,
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+ // we'll tell the client if there's one or (more than) two items.
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+ copy.setCount(copy.getCount() > 1 ? 2 : 1);
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+ // We can't just strip out display, leather helmets still use the display.color tag.
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+ if (tag != null) {
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+ if (tag.get("display") instanceof CompoundTag displayTag) {
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+ displayTag.remove("Lore");
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+ displayTag.remove("Name");
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+ }
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+
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+ if (tag.get("Enchantments") instanceof ListTag enchantmentsTag && !enchantmentsTag.isEmpty()) {
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+ // The client still renders items with the enchantment glow if the enchantments tag contains at least one (empty) child.
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+ ListTag enchantments = new ListTag();
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+ CompoundTag fakeEnchantment = new CompoundTag();
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+ // Soul speed boots generate client side particles.
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+ if (EnchantmentHelper.getItemEnchantmentLevel(Enchantments.SOUL_SPEED, itemStack) > 0) {
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+ fakeEnchantment.putString("id", org.bukkit.enchantments.Enchantment.SOUL_SPEED.getKey().asString());
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+ fakeEnchantment.putInt("lvl", 1);
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+ }
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+ enchantments.add(fakeEnchantment);
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+ tag.put("Enchantments", enchantments);
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+ }
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+ tag.remove("AttributeModifiers");
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+ tag.remove("Unbreakable");
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+ tag.remove("PublicBukkitValues"); // Persistent data container1
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+
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+ // Books
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+ tag.remove("author");
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+ tag.remove("filtered_title");
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+ tag.remove("pages");
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+ tag.remove("filtered_pages");
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+ tag.remove("title");
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+ tag.remove("generation");
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+
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+ // Filled maps
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+ tag.remove("map");
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+ tag.remove("map_scale_direction");
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+ tag.remove("map_to_lock");
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+ }
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+ }
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+
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+ if (this.level().paperConfig().anticheat.obfuscation.items.hideItemmetaWithVisualEffects && tag != null) {
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+ // Lodestone compasses
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+ tag.remove("LodestonePos");
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+ if (tag.contains("LodestoneDimension")) {
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+ // The client shows the glint if either the position or the dimension is present, so we just wipe
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+ // the position and fake the dimension
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+ tag.putString("LodestoneDimension", "paper:paper");
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+ }
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+ }
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+
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+ return copy;
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+ }
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+ // Paper end - Hide unnecessary item meta
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+
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// Paper start - prevent oversized data
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public static ItemStack sanitizeItemStack(final ItemStack itemStack, final boolean copyItemStack) {
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if (itemStack.isEmpty() || !itemStack.hasTag()) {
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