geforkt von Mirrors/Paper
Friction API (#6611)
Dieser Commit ist enthalten in:
Noah van der Aa
GitHub
Ursprung
44bb5992ce
Commit
9f7eef81fd
73
patches/api/0412-Friction-API.patch
Normale Datei
73
patches/api/0412-Friction-API.patch
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@ -0,0 +1,73 @@
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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: Wed, 15 Sep 2021 20:40:51 +0200
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Subject: [PATCH] Friction API
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diff --git a/src/main/java/io/papermc/paper/entity/Frictional.java b/src/main/java/io/papermc/paper/entity/Frictional.java
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new file mode 100644
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index 0000000000000000000000000000000000000000..6eb88c664d873506372ad14075bfcbe42958126f
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--- /dev/null
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+++ b/src/main/java/io/papermc/paper/entity/Frictional.java
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@@ -0,0 +1,35 @@
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+package io.papermc.paper.entity;
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+
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+import net.kyori.adventure.util.TriState;
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+import org.bukkit.entity.Entity;
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+import org.jetbrains.annotations.NotNull;
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+
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+/**
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+ * Represents an {@link Entity} that can experience friction with the air and ground.
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+ */
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+public interface Frictional {
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+
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+ /**
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+ * Gets the friction state of this entity.
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+ * When set to {@link TriState#TRUE}, the entity will always experience friction.
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+ * When set to {@link TriState#FALSE}, the entity will never experience friction.
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+ * When set to {@link TriState#NOT_SET}, the entity will fall back to Minecraft's default behaviour.
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+ *
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+ * @return the entity's friction state
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+ */
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+ @NotNull
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+ TriState getFrictionState();
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+
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+ /**
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+ * Sets the friction state of this entity.
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+ * When set to {@link TriState#TRUE}, the entity will always experience friction.
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+ * When set to {@link TriState#FALSE}, the entity will never experience friction.
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+ * When set to {@link TriState#NOT_SET}, the entity will fall back to Minecraft's default behaviour.
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+ * <p>
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+ * Please note that changing this value will do nothing for a player.
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+ *
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+ * @param state the new friction state to set for the entity
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+ */
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+ void setFrictionState(@NotNull TriState state);
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+
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+}
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diff --git a/src/main/java/org/bukkit/entity/Item.java b/src/main/java/org/bukkit/entity/Item.java
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index d0bef15785493b512ff0f7414c1d58d38fead581..58017fce436cdbda255f7172fbdadb726d4b113c 100644
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--- a/src/main/java/org/bukkit/entity/Item.java
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+++ b/src/main/java/org/bukkit/entity/Item.java
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@@ -8,7 +8,7 @@ import org.jetbrains.annotations.Nullable;
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/**
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* Represents a dropped item.
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*/
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-public interface Item extends Entity {
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+public interface Item extends Entity, io.papermc.paper.entity.Frictional { // Paper
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/**
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* Gets the item stack associated with this item drop.
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diff --git a/src/main/java/org/bukkit/entity/LivingEntity.java b/src/main/java/org/bukkit/entity/LivingEntity.java
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index f6cbada38ca48638e5ad0bd99d0b6ea65f6b02de..97336be470a9d545d93f78e683a793f328013ad8 100644
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--- a/src/main/java/org/bukkit/entity/LivingEntity.java
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+++ b/src/main/java/org/bukkit/entity/LivingEntity.java
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@@ -25,7 +25,7 @@ import org.jetbrains.annotations.Nullable;
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/**
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* Represents a living entity, such as a monster or player
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*/
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-public interface LivingEntity extends Attributable, Damageable, ProjectileSource {
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+public interface LivingEntity extends Attributable, Damageable, ProjectileSource, io.papermc.paper.entity.Frictional { // Paper
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/**
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* Gets the height of the living entity's eyes above its Location.
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156
patches/server/0947-Friction-API.patch
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156
patches/server/0947-Friction-API.patch
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@ -0,0 +1,156 @@
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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: Wed, 15 Sep 2021 20:44:22 +0200
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Subject: [PATCH] Friction API
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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 fb6fd9357f665a001238384475a9b674715700ba..11d7c42d65b91bf57b7bba7812aa17e60e018c67 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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@@ -264,6 +264,7 @@ public abstract class LivingEntity extends Entity {
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public boolean bukkitPickUpLoot;
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public org.bukkit.craftbukkit.entity.CraftLivingEntity getBukkitLivingEntity() { return (org.bukkit.craftbukkit.entity.CraftLivingEntity) super.getBukkitEntity(); } // Paper
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public boolean silentDeath = false; // Paper - mark entity as dying silently for cancellable death event
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+ public net.kyori.adventure.util.TriState frictionState = net.kyori.adventure.util.TriState.NOT_SET; // Paper
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@Override
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public float getBukkitYaw() {
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@@ -706,7 +707,7 @@ public abstract class LivingEntity extends Entity {
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}
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public boolean shouldDiscardFriction() {
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- return this.discardFriction;
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+ return !this.frictionState.toBooleanOrElse(!this.discardFriction); // Paper
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}
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public void setDiscardFriction(boolean noDrag) {
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@@ -751,6 +752,11 @@ public abstract class LivingEntity extends Entity {
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@Override
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public void addAdditionalSaveData(CompoundTag nbt) {
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+ // Paper start
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+ if (this.frictionState != net.kyori.adventure.util.TriState.NOT_SET) {
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+ nbt.putString("Paper.FrictionState", this.frictionState.toString());
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+ }
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+ // Paper end
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nbt.putFloat("Health", this.getHealth());
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nbt.putShort("HurtTime", (short) this.hurtTime);
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nbt.putInt("HurtByTimestamp", this.lastHurtByMobTimestamp);
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@@ -793,6 +799,15 @@ public abstract class LivingEntity extends Entity {
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absorptionAmount = 0;
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}
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this.setAbsorptionAmount(absorptionAmount);
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+
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+ if (nbt.contains("Paper.FrictionState")) {
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+ String fs = nbt.getString("Paper.FrictionState");
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+ try {
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+ frictionState = net.kyori.adventure.util.TriState.valueOf(fs);
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+ } catch (Exception ignored) {
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+ LOGGER.error("Unknown friction state " + fs + " for " + this);
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+ }
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+ }
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// Paper end
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if (nbt.contains("Attributes", 9) && this.level != null && !this.level.isClientSide) {
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this.getAttributes().load(nbt.getList("Attributes", 10));
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diff --git a/src/main/java/net/minecraft/world/entity/item/ItemEntity.java b/src/main/java/net/minecraft/world/entity/item/ItemEntity.java
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index da877bfb87c34f83991dd0957f6042c7543edb3e..c8d8fdef7b8abc0f59b7d19462825ae30c8d4f48 100644
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--- a/src/main/java/net/minecraft/world/entity/item/ItemEntity.java
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+++ b/src/main/java/net/minecraft/world/entity/item/ItemEntity.java
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@@ -55,6 +55,7 @@ public class ItemEntity extends Entity {
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private int lastTick = MinecraftServer.currentTick - 1; // CraftBukkit
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public boolean canMobPickup = true; // Paper
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private int despawnRate = -1; // Paper
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+ public net.kyori.adventure.util.TriState frictionState = net.kyori.adventure.util.TriState.NOT_SET; // Paper
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public ItemEntity(EntityType<? extends ItemEntity> type, Level world) {
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super(type, world);
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@@ -152,7 +153,11 @@ public class ItemEntity extends Entity {
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this.move(MoverType.SELF, this.getDeltaMovement());
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float f1 = 0.98F;
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- if (this.onGround) {
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+ // Paper start
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+ if (frictionState == net.kyori.adventure.util.TriState.FALSE) {
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+ f1 = 1F;
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+ } else if (this.onGround) {
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+ // Paper end
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f1 = this.level.getBlockState(new BlockPos(this.getX(), this.getY() - 1.0D, this.getZ())).getBlock().getFriction() * 0.98F;
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}
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@@ -353,6 +358,11 @@ public class ItemEntity extends Entity {
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@Override
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public void addAdditionalSaveData(CompoundTag nbt) {
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+ // Paper start
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+ if (this.frictionState != net.kyori.adventure.util.TriState.NOT_SET) {
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+ nbt.putString("Paper.FrictionState", this.frictionState.toString());
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+ }
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+ // Paper end
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nbt.putShort("Health", (short) this.health);
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nbt.putShort("Age", (short) this.age);
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nbt.putShort("PickupDelay", (short) this.pickupDelay);
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@@ -386,6 +396,17 @@ public class ItemEntity extends Entity {
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this.thrower = nbt.getUUID("Thrower");
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}
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+ // Paper start
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+ if (nbt.contains("Paper.FrictionState")) {
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+ String fs = nbt.getString("Paper.FrictionState");
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+ try {
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+ frictionState = net.kyori.adventure.util.TriState.valueOf(fs);
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+ } catch (Exception ignored) {
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+ com.mojang.logging.LogUtils.getLogger().error("Unknown friction state " + fs + " for " + this);
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+ }
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+ }
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+ // Paper end
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+
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CompoundTag nbttagcompound1 = nbt.getCompound("Item");
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this.setItem(ItemStack.of(nbttagcompound1));
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diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftItem.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftItem.java
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index fea44ba6a6584b4a510af6a58cab07eecec6b68b..ecec5e17807a760769fc0ea79c2a0161cc5db1ef 100644
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--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftItem.java
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+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftItem.java
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@@ -103,6 +103,18 @@ public class CraftItem extends CraftEntity implements Item {
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item.age = willAge ? 0 : NO_AGE_TIME;
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}
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+ @org.jetbrains.annotations.NotNull
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+ @Override
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+ public net.kyori.adventure.util.TriState getFrictionState() {
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+ return this.item.frictionState;
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+ }
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+
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+ @Override
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+ public void setFrictionState(@org.jetbrains.annotations.NotNull net.kyori.adventure.util.TriState state) {
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+ java.util.Objects.requireNonNull(state, "state may not be null");
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+ this.item.frictionState = state;
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+ }
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+
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@Override
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public int getHealth() {
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return item.health;
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diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
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index fa2e865324c11b724c351cdf8c03bfc4c8a274f6..316120a57802c45fb9b02a4daee207a0845c63be 100644
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--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
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+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
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@@ -1025,6 +1025,18 @@ public class CraftLivingEntity extends CraftEntity implements LivingEntity {
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});
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}
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+ @org.jetbrains.annotations.NotNull
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+ @Override
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+ public net.kyori.adventure.util.TriState getFrictionState() {
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+ return this.getHandle().frictionState;
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+ }
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+
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+ @Override
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+ public void setFrictionState(@org.jetbrains.annotations.NotNull net.kyori.adventure.util.TriState state) {
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+ java.util.Objects.requireNonNull(state, "state may not be null");
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+ this.getHandle().frictionState = state;
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+ }
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+
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@Override
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public void knockback(double strength, double directionX, double directionZ) {
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Preconditions.checkArgument(strength > 0, "Knockback strength must be > 0");
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