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Code Issues Projects Releases Wiki Activity

Don't set last hand/armor lists to stripped items (#6977)

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Jake Potrebic 2021-12-01 00:36:48 -08:00 committed by GitHub
parent cb195e1958
commit 72983892cf
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 39 additions and 30 deletions
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69
patches/server/0817-Hide-unnecessary-itemmeta-from-clients.patch
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@ -23,27 +23,28 @@ index fd5927247e23878fd8bf6ab62a2eb477d07f4cc3..19ee843fa118a3b1b2c6b5551e9c6af7
log(" " + type + ":");
com.google.common.collect.Table<String, String, Integer> table = com.google.common.collect.HashBasedTable.create();
diff --git a/src/main/java/net/minecraft/network/syncher/EntityDataSerializers.java b/src/main/java/net/minecraft/network/syncher/EntityDataSerializers.java
index 3eb6bf4258b1de4697f96c2011df493cf7414a0c..0feadee6077dd6a8d8fd05b7a7d15ec1aa728fbb 100644
index 3eb6bf4258b1de4697f96c2011df493cf7414a0c..7b7fe3f47144aa92b335aa4cc55e7e897ac11fc8 100644
--- a/src/main/java/net/minecraft/network/syncher/EntityDataSerializers.java
+++ b/src/main/java/net/minecraft/network/syncher/EntityDataSerializers.java
@@ -127,6 +127,7 @@ public class EntityDataSerializers {
public static final EntityDataSerializer<ItemStack> ITEM_STACK = new EntityDataSerializer<ItemStack>() {
@Override
public void write(FriendlyByteBuf buf, ItemStack value) {
+ net.minecraft.world.entity.LivingEntity.stripMeta(value, null); // Paper - strip items to prevent oversized data
+ value = net.minecraft.world.entity.LivingEntity.stripMeta(value, null, false); // Paper - strip items to prevent oversized data
buf.writeItem(value);
}
diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
index 62daf918d4ab00963041ca869ae718f14f2e3337..09f3b7eba463a647c38ce0f87af6ad5c1c8ed0c0 100644
index 62daf918d4ab00963041ca869ae718f14f2e3337..a7ab33d1a6c30ffde7bf2ab8588df4437197fb9a 100644
--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
@@ -3047,11 +3047,59 @@ public abstract class LivingEntity extends Entity {
@@ -3047,13 +3047,67 @@ public abstract class LivingEntity extends Entity {
}
+ public static void stripMeta(ItemStack itemStack, @org.jetbrains.annotations.Nullable Level level) {
+ if (itemStack.getTag() != null && !itemStack.isEmpty()) {
+ public static ItemStack stripMeta(ItemStack itemStack, @org.jetbrains.annotations.Nullable Level level, boolean copy) {
+ if ((itemStack.getCount() > 1 || itemStack.hasTag()) && !itemStack.isEmpty()) {
+ if (copy) itemStack = itemStack.copy();
+ CompoundTag nbt = itemStack.getTag();
+ if (level != null && level.paperConfig.hideDurabilityFromClients) {
+ // Only show damage values for elytra's, since they show a different texture when broken.
@ -57,36 +58,41 @@ index 62daf918d4ab00963041ca869ae718f14f2e3337..09f3b7eba463a647c38ce0f87af6ad5c
+ // we'll tell the client if there's one or (more than) two items.
+ itemStack.setCount(itemStack.getCount() > 1 ? 2 : 1);
+ // We can't just strip out display, leather helmets still use the display.color tag.
+ if (nbt.get("display") instanceof CompoundTag displayTag) {
+ displayTag.remove("Lore");
+ displayTag.remove("Name");
+ }
+ if (nbt != null) {
+ if (nbt.get("display") instanceof CompoundTag displayTag) {
+ displayTag.remove("Lore");
+ displayTag.remove("Name");
+ }
+
+ if (nbt.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();
+ enchantments.add(new CompoundTag());
+ nbt.put("Enchantments", enchantments);
+ if (nbt.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();
+ enchantments.add(new CompoundTag());
+ nbt.put("Enchantments", enchantments);
+ }
+ nbt.remove("AttributeModifiers");
+ }
+ nbt.remove("AttributeModifiers");
+ }
+ // Always remove items to prevent oversized data
+ // Bundles change their texture based on their fullness.
+ if (itemStack.is(Items.BUNDLE) && nbt.get("Items") instanceof ListTag oldItems && !oldItems.isEmpty()) {
+ org.bukkit.inventory.meta.BundleMeta bundleMeta = (org.bukkit.inventory.meta.BundleMeta) itemStack.asBukkitMirror().getItemMeta();
+ int sizeUsed = 0;
+ for (org.bukkit.inventory.ItemStack item : bundleMeta.getItems()) {
+ int scale = 64 / item.getMaxStackSize();
+ sizeUsed += scale * item.getAmount();
+ if (nbt != null) {
+ if (itemStack.is(Items.BUNDLE) && nbt.get("Items") instanceof ListTag oldItems && !oldItems.isEmpty()) {
+ org.bukkit.inventory.meta.BundleMeta bundleMeta = (org.bukkit.inventory.meta.BundleMeta) itemStack.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()));
+ nbt.put("Items", items);
+ }
+ // 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()));
+ nbt.put("Items", items);
+ nbt.remove("BlockEntityTag");
+ nbt.remove("EntityTag");
+ }
+ nbt.remove("BlockEntityTag");
+ nbt.remove("EntityTag");
+ }
+ return itemStack;
+ }
+
private void handleEquipmentChanges(Map<EquipmentSlot, ItemStack> equipmentChanges) {
@ -94,7 +100,10 @@ index 62daf918d4ab00963041ca869ae718f14f2e3337..09f3b7eba463a647c38ce0f87af6ad5c
equipmentChanges.forEach((enumitemslot, itemstack) -> {
ItemStack itemstack1 = itemstack.copy();
+ stripMeta(itemstack1, this.level); // Paper - hide unnecessary itemmeta from clients
+ final ItemStack toSend = stripMeta(itemstack1, this.level, true); // Paper - hide unnecessary itemmeta from clients
list.add(Pair.of(enumitemslot, itemstack1));
- list.add(Pair.of(enumitemslot, itemstack1));
+ list.add(Pair.of(enumitemslot, toSend)); // Paper - hide unnecessary itemmeta from clients
switch (enumitemslot.getType()) {
case HAND:
this.setLastHandItem(enumitemslot, itemstack1);