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-rw-r--r--paper-server/patches/unapplied/net/minecraft/world/entity/Entity.java.patch1994
1 files changed, 1994 insertions, 0 deletions
diff --git a/paper-server/patches/unapplied/net/minecraft/world/entity/Entity.java.patch b/paper-server/patches/unapplied/net/minecraft/world/entity/Entity.java.patch
new file mode 100644
index 0000000000..a274089f56
--- /dev/null
+++ b/paper-server/patches/unapplied/net/minecraft/world/entity/Entity.java.patch
@@ -0,0 +1,1994 @@
+--- a/net/minecraft/world/entity/Entity.java
++++ b/net/minecraft/world/entity/Entity.java
+@@ -59,6 +59,8 @@
+ import net.minecraft.network.protocol.Packet;
+ import net.minecraft.network.protocol.game.ClientGamePacketListener;
+ import net.minecraft.network.protocol.game.ClientboundAddEntityPacket;
++import net.minecraft.network.protocol.game.ClientboundSetEntityDataPacket;
++import net.minecraft.network.protocol.game.ClientboundSetEntityLinkPacket;
+ import net.minecraft.network.protocol.game.ClientboundTeleportEntityPacket;
+ import net.minecraft.network.protocol.game.VecDeltaCodec;
+ import net.minecraft.network.syncher.EntityDataAccessor;
+@@ -101,8 +103,6 @@
+ import net.minecraft.world.level.ChunkPos;
+ import net.minecraft.world.level.ClipContext;
+ import net.minecraft.world.level.Explosion;
+-import net.minecraft.world.level.ItemLike;
+-import net.minecraft.world.level.Level;
+ import net.minecraft.world.level.block.Block;
+ import net.minecraft.world.level.block.Blocks;
+ import net.minecraft.world.level.block.FenceGateBlock;
+@@ -138,9 +138,153 @@
+ import net.minecraft.world.scores.ScoreHolder;
+ import net.minecraft.world.scores.Team;
+ import org.slf4j.Logger;
++import net.minecraft.world.level.GameRules;
++import net.minecraft.world.level.ItemLike;
++import net.minecraft.world.level.Level;
++import org.bukkit.Bukkit;
++import org.bukkit.Location;
++import org.bukkit.Server;
++import org.bukkit.block.BlockFace;
++import org.bukkit.command.CommandSender;
++import org.bukkit.entity.Hanging;
++import org.bukkit.entity.LivingEntity;
++import org.bukkit.entity.Vehicle;
++import org.bukkit.event.entity.EntityCombustByEntityEvent;
++import org.bukkit.event.hanging.HangingBreakByEntityEvent;
++import org.bukkit.event.vehicle.VehicleBlockCollisionEvent;
++import org.bukkit.event.vehicle.VehicleEnterEvent;
++import org.bukkit.event.vehicle.VehicleExitEvent;
++import org.bukkit.craftbukkit.CraftWorld;
++import org.bukkit.craftbukkit.entity.CraftEntity;
++import org.bukkit.craftbukkit.entity.CraftPlayer;
++import org.bukkit.craftbukkit.event.CraftEventFactory;
++import org.bukkit.craftbukkit.event.CraftPortalEvent;
++import org.bukkit.craftbukkit.util.CraftLocation;
++import org.bukkit.entity.Pose;
++import org.bukkit.event.entity.EntityAirChangeEvent;
++import org.bukkit.event.entity.EntityCombustEvent;
++import org.bukkit.event.entity.EntityDismountEvent;
++import org.bukkit.event.entity.EntityDropItemEvent;
++import org.bukkit.event.entity.EntityMountEvent;
++import org.bukkit.event.entity.EntityPortalEvent;
++import org.bukkit.event.entity.EntityPoseChangeEvent;
++import org.bukkit.event.entity.EntityRemoveEvent;
++import org.bukkit.event.entity.EntityTeleportEvent;
++import org.bukkit.event.entity.EntityUnleashEvent;
++import org.bukkit.event.entity.EntityUnleashEvent.UnleashReason;
++import org.bukkit.event.player.PlayerTeleportEvent;
++import org.bukkit.plugin.PluginManager;
++// CraftBukkit end
+
+ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess, ScoreHolder {
+
++ // CraftBukkit start
++ private static final int CURRENT_LEVEL = 2;
++ public boolean preserveMotion = true; // Paper - Fix Entity Teleportation and cancel velocity if teleported; keep initial motion on first setPositionRotation
++ static boolean isLevelAtLeast(CompoundTag tag, int level) {
++ return tag.contains("Bukkit.updateLevel") && tag.getInt("Bukkit.updateLevel") >= level;
++ }
++
++ // Paper start - Share random for entities to make them more random
++ public static RandomSource SHARED_RANDOM = new RandomRandomSource();
++ private static final class RandomRandomSource extends java.util.Random implements net.minecraft.world.level.levelgen.BitRandomSource {
++ private boolean locked = false;
++
++ @Override
++ public synchronized void setSeed(long seed) {
++ if (locked) {
++ LOGGER.error("Ignoring setSeed on Entity.SHARED_RANDOM", new Throwable());
++ } else {
++ super.setSeed(seed);
++ locked = true;
++ }
++ }
++
++ @Override
++ public RandomSource fork() {
++ return new net.minecraft.world.level.levelgen.LegacyRandomSource(this.nextLong());
++ }
++
++ @Override
++ public net.minecraft.world.level.levelgen.PositionalRandomFactory forkPositional() {
++ return new net.minecraft.world.level.levelgen.LegacyRandomSource.LegacyPositionalRandomFactory(this.nextLong());
++ }
++
++ // these below are added to fix reobf issues that I don't wanna deal with right now
++ @Override
++ public int next(int bits) {
++ return super.next(bits);
++ }
++
++ @Override
++ public int nextInt(int origin, int bound) {
++ return net.minecraft.world.level.levelgen.BitRandomSource.super.nextInt(origin, bound);
++ }
++
++ @Override
++ public long nextLong() {
++ return net.minecraft.world.level.levelgen.BitRandomSource.super.nextLong();
++ }
++
++ @Override
++ public int nextInt() {
++ return net.minecraft.world.level.levelgen.BitRandomSource.super.nextInt();
++ }
++
++ @Override
++ public int nextInt(int bound) {
++ return net.minecraft.world.level.levelgen.BitRandomSource.super.nextInt(bound);
++ }
++
++ @Override
++ public boolean nextBoolean() {
++ return net.minecraft.world.level.levelgen.BitRandomSource.super.nextBoolean();
++ }
++
++ @Override
++ public float nextFloat() {
++ return net.minecraft.world.level.levelgen.BitRandomSource.super.nextFloat();
++ }
++
++ @Override
++ public double nextDouble() {
++ return net.minecraft.world.level.levelgen.BitRandomSource.super.nextDouble();
++ }
++
++ @Override
++ public double nextGaussian() {
++ return super.nextGaussian();
++ }
++ }
++ // Paper end - Share random for entities to make them more random
++ public org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason spawnReason; // Paper - Entity#getEntitySpawnReason
++
++ private CraftEntity bukkitEntity;
++
++ public CraftEntity getBukkitEntity() {
++ if (this.bukkitEntity == null) {
++ // Paper start - Folia schedulers
++ synchronized (this) {
++ if (this.bukkitEntity == null) {
++ return this.bukkitEntity = CraftEntity.getEntity(this.level.getCraftServer(), this);
++ }
++ }
++ // Paper end - Folia schedulers
++ }
++ return this.bukkitEntity;
++ }
++ // Paper start
++ public CraftEntity getBukkitEntityRaw() {
++ return this.bukkitEntity;
++ }
++ // Paper end
++
++ // CraftBukkit - SPIGOT-6907: re-implement LivingEntity#setMaximumAir()
++ public int getDefaultMaxAirSupply() {
++ return Entity.TOTAL_AIR_SUPPLY;
++ }
++ // CraftBukkit end
++
+ private static final Logger LOGGER = LogUtils.getLogger();
+ public static final String ID_TAG = "id";
+ public static final String PASSENGERS_TAG = "Passengers";
+@@ -224,7 +368,7 @@
+ private static final EntityDataAccessor<Boolean> DATA_CUSTOM_NAME_VISIBLE = SynchedEntityData.defineId(Entity.class, EntityDataSerializers.BOOLEAN);
+ private static final EntityDataAccessor<Boolean> DATA_SILENT = SynchedEntityData.defineId(Entity.class, EntityDataSerializers.BOOLEAN);
+ private static final EntityDataAccessor<Boolean> DATA_NO_GRAVITY = SynchedEntityData.defineId(Entity.class, EntityDataSerializers.BOOLEAN);
+- protected static final EntityDataAccessor<Pose> DATA_POSE = SynchedEntityData.defineId(Entity.class, EntityDataSerializers.POSE);
++ protected static final EntityDataAccessor<net.minecraft.world.entity.Pose> DATA_POSE = SynchedEntityData.defineId(Entity.class, EntityDataSerializers.POSE);
+ private static final EntityDataAccessor<Integer> DATA_TICKS_FROZEN = SynchedEntityData.defineId(Entity.class, EntityDataSerializers.INT);
+ private EntityInLevelCallback levelCallback;
+ private final VecDeltaCodec packetPositionCodec;
+@@ -253,15 +397,78 @@
+ private final List<Entity.Movement> movementThisTick;
+ private final Set<BlockState> blocksInside;
+ private final LongSet visitedBlocks;
++ // CraftBukkit start
++ public boolean forceDrops;
++ public boolean persist = true;
++ public boolean visibleByDefault = true;
++ public boolean valid;
++ public boolean inWorld = false;
++ public boolean generation;
++ public int maxAirTicks = this.getDefaultMaxAirSupply(); // CraftBukkit - SPIGOT-6907: re-implement LivingEntity#setMaximumAir()
++ @Nullable // Paper - Refresh ProjectileSource for projectiles
++ public org.bukkit.projectiles.ProjectileSource projectileSource; // For projectiles only
++ public boolean lastDamageCancelled; // SPIGOT-5339, SPIGOT-6252, SPIGOT-6777: Keep track if the event was canceled
++ public boolean persistentInvisibility = false;
++ public BlockPos lastLavaContact;
++ // Marks an entity, that it was removed by a plugin via Entity#remove
++ // Main use case currently is for SPIGOT-7487, preventing dropping of leash when leash is removed
++ public boolean pluginRemoved = false;
++ // Spigot start
++ public final org.spigotmc.ActivationRange.ActivationType activationType = org.spigotmc.ActivationRange.initializeEntityActivationType(this);
++ public final boolean defaultActivationState;
++ public long activatedTick = Integer.MIN_VALUE;
++ public void inactiveTick() { }
++ // Spigot end
++ protected int numCollisions = 0; // Paper - Cap entity collisions
++ public boolean fromNetherPortal; // Paper - Add option to nerf pigmen from nether portals
++ public boolean spawnedViaMobSpawner; // Paper - Yes this name is similar to above, upstream took the better one
++ // Paper start - Entity origin API
++ @javax.annotation.Nullable
++ private org.bukkit.util.Vector origin;
++ @javax.annotation.Nullable
++ private UUID originWorld;
++ public boolean freezeLocked = false; // Paper - Freeze Tick Lock API
++ public boolean fixedPose = false; // Paper - Expand Pose API
++ private final int despawnTime; // Paper - entity despawn time limit
+
++ public void setOrigin(@javax.annotation.Nonnull Location location) {
++ this.origin = location.toVector();
++ this.originWorld = location.getWorld().getUID();
++ }
++
++ @javax.annotation.Nullable
++ public org.bukkit.util.Vector getOriginVector() {
++ return this.origin != null ? this.origin.clone() : null;
++ }
++
++ @javax.annotation.Nullable
++ public UUID getOriginWorld() {
++ return this.originWorld;
++ }
++ // Paper end - Entity origin API
++ public float getBukkitYaw() {
++ return this.yRot;
++ }
++
++ public boolean isChunkLoaded() {
++ return this.level.hasChunk((int) Math.floor(this.getX()) >> 4, (int) Math.floor(this.getZ()) >> 4);
++ }
++ // CraftBukkit end
++ // Paper start
++ public final AABB getBoundingBoxAt(double x, double y, double z) {
++ return this.dimensions.makeBoundingBox(x, y, z);
++ }
++ // Paper end
++
+ public Entity(EntityType<?> type, Level world) {
+ this.id = Entity.ENTITY_COUNTER.incrementAndGet();
++ this.despawnTime = type == EntityType.PLAYER ? -1 : world.paperConfig().entities.spawning.despawnTime.getOrDefault(type, io.papermc.paper.configuration.type.number.IntOr.Disabled.DISABLED).or(-1); // Paper - entity despawn time limit
+ this.passengers = ImmutableList.of();
+ this.deltaMovement = Vec3.ZERO;
+ this.bb = Entity.INITIAL_AABB;
+ this.stuckSpeedMultiplier = Vec3.ZERO;
+ this.nextStep = 1.0F;
+- this.random = RandomSource.create();
++ this.random = SHARED_RANDOM; // Paper - Share random for entities to make them more random
+ this.remainingFireTicks = -this.getFireImmuneTicks();
+ this.fluidHeight = new Object2DoubleArrayMap(2);
+ this.fluidOnEyes = new HashSet();
+@@ -270,7 +477,7 @@
+ this.packetPositionCodec = new VecDeltaCodec();
+ this.uuid = Mth.createInsecureUUID(this.random);
+ this.stringUUID = this.uuid.toString();
+- this.tags = Sets.newHashSet();
++ this.tags = new io.papermc.paper.util.SizeLimitedSet<>(new it.unimi.dsi.fastutil.objects.ObjectOpenHashSet<>(), MAX_ENTITY_TAG_COUNT); // Paper - fully limit tag size - replace set impl
+ this.pistonDeltas = new double[]{0.0D, 0.0D, 0.0D};
+ this.mainSupportingBlockPos = Optional.empty();
+ this.onGroundNoBlocks = false;
+@@ -284,6 +491,13 @@
+ this.position = Vec3.ZERO;
+ this.blockPosition = BlockPos.ZERO;
+ this.chunkPosition = ChunkPos.ZERO;
++ // Spigot start
++ if (world != null) {
++ this.defaultActivationState = org.spigotmc.ActivationRange.initializeEntityActivationState(this, world.spigotConfig);
++ } else {
++ this.defaultActivationState = false;
++ }
++ // Spigot end
+ SynchedEntityData.Builder datawatcher_a = new SynchedEntityData.Builder(this);
+
+ datawatcher_a.define(Entity.DATA_SHARED_FLAGS_ID, (byte) 0);
+@@ -292,7 +506,7 @@
+ datawatcher_a.define(Entity.DATA_CUSTOM_NAME, Optional.empty());
+ datawatcher_a.define(Entity.DATA_SILENT, false);
+ datawatcher_a.define(Entity.DATA_NO_GRAVITY, false);
+- datawatcher_a.define(Entity.DATA_POSE, Pose.STANDING);
++ datawatcher_a.define(Entity.DATA_POSE, net.minecraft.world.entity.Pose.STANDING);
+ datawatcher_a.define(Entity.DATA_TICKS_FROZEN, 0);
+ this.defineSynchedData(datawatcher_a);
+ this.entityData = datawatcher_a.build();
+@@ -354,7 +568,7 @@
+ }
+
+ public boolean addTag(String tag) {
+- return this.tags.size() >= 1024 ? false : this.tags.add(tag);
++ return this.tags.add(tag); // Paper - fully limit tag size - replace set impl
+ }
+
+ public boolean removeTag(String tag) {
+@@ -362,20 +576,68 @@
+ }
+
+ public void kill(ServerLevel world) {
+- this.remove(Entity.RemovalReason.KILLED);
++ this.remove(Entity.RemovalReason.KILLED, EntityRemoveEvent.Cause.DEATH); // CraftBukkit - add Bukkit remove cause
+ this.gameEvent(GameEvent.ENTITY_DIE);
+ }
+
+ public final void discard() {
+- this.remove(Entity.RemovalReason.DISCARDED);
++ // CraftBukkit start - add Bukkit remove cause
++ this.discard(null);
+ }
+
++ public final void discard(EntityRemoveEvent.Cause cause) {
++ this.remove(Entity.RemovalReason.DISCARDED, cause);
++ // CraftBukkit end
++ }
++
+ protected abstract void defineSynchedData(SynchedEntityData.Builder builder);
+
+ public SynchedEntityData getEntityData() {
+ return this.entityData;
+ }
+
++ // CraftBukkit start
++ public void refreshEntityData(ServerPlayer to) {
++ List<SynchedEntityData.DataValue<?>> list = this.entityData.packAll(); // Paper - Update EVERYTHING not just not default
++
++ if (list != null && to.getBukkitEntity().canSee(this.getBukkitEntity())) { // Paper
++ to.connection.send(new ClientboundSetEntityDataPacket(this.getId(), list));
++ }
++ }
++ // CraftBukkit end
++ // Paper start
++ // This method should only be used if the data of an entity could have become desynced
++ // due to interactions on the client.
++ public void resendPossiblyDesyncedEntityData(net.minecraft.server.level.ServerPlayer player) {
++ if (player.getBukkitEntity().canSee(this.getBukkitEntity())) {
++ ServerLevel world = (net.minecraft.server.level.ServerLevel)this.level();
++ net.minecraft.server.level.ChunkMap.TrackedEntity tracker = world == null ? null : world.getChunkSource().chunkMap.entityMap.get(this.getId());
++ if (tracker == null) {
++ return;
++ }
++ final net.minecraft.server.level.ServerEntity serverEntity = tracker.serverEntity;
++ final List<net.minecraft.network.protocol.Packet<? super net.minecraft.network.protocol.game.ClientGamePacketListener>> list = new java.util.ArrayList<>();
++ serverEntity.sendPairingData(player, list::add);
++ player.connection.send(new net.minecraft.network.protocol.game.ClientboundBundlePacket(list));
++ }
++ }
++
++ // This method allows you to specifically resend certain data accessor keys to the client
++ public void resendPossiblyDesyncedDataValues(List<EntityDataAccessor<?>> keys, ServerPlayer to) {
++ if (!to.getBukkitEntity().canSee(this.getBukkitEntity())) {
++ return;
++ }
++
++ final List<SynchedEntityData.DataValue<?>> values = new java.util.ArrayList<>(keys.size());
++ for (final EntityDataAccessor<?> key : keys) {
++ final SynchedEntityData.DataItem<?> synchedValue = this.entityData.getItem(key);
++ values.add(synchedValue.value());
++ }
++
++ to.connection.send(new ClientboundSetEntityDataPacket(this.id, values));
++ }
++ // Paper end
++
+ public boolean equals(Object object) {
+ return object instanceof Entity ? ((Entity) object).id == this.id : false;
+ }
+@@ -385,22 +647,39 @@
+ }
+
+ public void remove(Entity.RemovalReason reason) {
+- this.setRemoved(reason);
++ // CraftBukkit start - add Bukkit remove cause
++ this.setRemoved(reason, null);
+ }
+
++ public void remove(Entity.RemovalReason entity_removalreason, EntityRemoveEvent.Cause cause) {
++ this.setRemoved(entity_removalreason, cause);
++ // CraftBukkit end
++ }
++
+ public void onClientRemoval() {}
+
+ public void onRemoval(Entity.RemovalReason reason) {}
+
+- public void setPose(Pose pose) {
++ public void setPose(net.minecraft.world.entity.Pose pose) {
++ if (this.fixedPose) return; // Paper - Expand Pose API
++ // CraftBukkit start
++ if (pose == this.getPose()) {
++ return;
++ }
++ // Paper start - Don't fire sync event during generation
++ if (!this.generation) {
++ this.level.getCraftServer().getPluginManager().callEvent(new EntityPoseChangeEvent(this.getBukkitEntity(), Pose.values()[pose.ordinal()]));
++ }
++ // Paper end - Don't fire sync event during generation
++ // CraftBukkit end
+ this.entityData.set(Entity.DATA_POSE, pose);
+ }
+
+- public Pose getPose() {
+- return (Pose) this.entityData.get(Entity.DATA_POSE);
++ public net.minecraft.world.entity.Pose getPose() {
++ return (net.minecraft.world.entity.Pose) this.entityData.get(Entity.DATA_POSE);
+ }
+
+- public boolean hasPose(Pose pose) {
++ public boolean hasPose(net.minecraft.world.entity.Pose pose) {
+ return this.getPose() == pose;
+ }
+
+@@ -417,6 +696,33 @@
+ }
+
+ public void setRot(float yaw, float pitch) {
++ // CraftBukkit start - yaw was sometimes set to NaN, so we need to set it back to 0
++ if (Float.isNaN(yaw)) {
++ yaw = 0;
++ }
++
++ if (yaw == Float.POSITIVE_INFINITY || yaw == Float.NEGATIVE_INFINITY) {
++ if (this instanceof ServerPlayer) {
++ this.level.getCraftServer().getLogger().warning(this.getScoreboardName() + " was caught trying to crash the server with an invalid yaw");
++ ((CraftPlayer) this.getBukkitEntity()).kickPlayer("Infinite yaw (Hacking?)");
++ }
++ yaw = 0;
++ }
++
++ // pitch was sometimes set to NaN, so we need to set it back to 0
++ if (Float.isNaN(pitch)) {
++ pitch = 0;
++ }
++
++ if (pitch == Float.POSITIVE_INFINITY || pitch == Float.NEGATIVE_INFINITY) {
++ if (this instanceof ServerPlayer) {
++ this.level.getCraftServer().getLogger().warning(this.getScoreboardName() + " was caught trying to crash the server with an invalid pitch");
++ ((CraftPlayer) this.getBukkitEntity()).kickPlayer("Infinite pitch (Hacking?)");
++ }
++ pitch = 0;
++ }
++ // CraftBukkit end
++
+ this.setYRot(yaw % 360.0F);
+ this.setXRot(pitch % 360.0F);
+ }
+@@ -426,8 +732,8 @@
+ }
+
+ public void setPos(double x, double y, double z) {
+- this.setPosRaw(x, y, z);
+- this.setBoundingBox(this.makeBoundingBox());
++ this.setPosRaw(x, y, z, true); // Paper - Block invalid positions and bounding box; force update
++ // this.setBoundingBox(this.makeBoundingBox()); // Paper - Block invalid positions and bounding box; move into setPosRaw
+ }
+
+ protected final AABB makeBoundingBox() {
+@@ -459,13 +765,29 @@
+ }
+
+ public void tick() {
++ // Paper start - entity despawn time limit
++ if (this.despawnTime >= 0 && this.tickCount >= this.despawnTime) {
++ this.discard(org.bukkit.event.entity.EntityRemoveEvent.Cause.DESPAWN);
++ return;
++ }
++ // Paper end - entity despawn time limit
+ this.baseTick();
+ }
+
++ // 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
++ if (!(this instanceof ServerPlayer) && this.isAlive()) { // Paper - don't attempt to teleport dead entities
++ this.handlePortal();
++ }
++ }
++ // CraftBukkit end
++
+ public void baseTick() {
+ ProfilerFiller gameprofilerfiller = Profiler.get();
+
+ gameprofilerfiller.push("entityBaseTick");
++ if (firstTick && this instanceof net.minecraft.world.entity.NeutralMob neutralMob) neutralMob.tickInitialPersistentAnger(level); // Paper - Prevent entity loading causing async lookups
+ this.inBlockState = null;
+ if (this.isPassenger() && this.getVehicle().isRemoved()) {
+ this.stopRiding();
+@@ -475,7 +797,7 @@
+ --this.boardingCooldown;
+ }
+
+- this.handlePortal();
++ if (this instanceof ServerPlayer) this.handlePortal(); // CraftBukkit - // Moved up to postTick
+ if (this.canSpawnSprintParticle()) {
+ this.spawnSprintParticle();
+ }
+@@ -502,7 +824,7 @@
+ this.setRemainingFireTicks(this.remainingFireTicks - 1);
+ }
+
+- if (this.getTicksFrozen() > 0) {
++ if (this.getTicksFrozen() > 0 && !freezeLocked) { // Paper - Freeze Tick Lock API
+ this.setTicksFrozen(0);
+ this.level().levelEvent((Player) null, 1009, this.blockPosition, 1);
+ }
+@@ -514,6 +836,10 @@
+ if (this.isInLava()) {
+ this.lavaHurt();
+ this.fallDistance *= 0.5F;
++ // CraftBukkit start
++ } else {
++ this.lastLavaContact = null;
++ // CraftBukkit end
+ }
+
+ this.checkBelowWorld();
+@@ -525,7 +851,7 @@
+ world = this.level();
+ if (world instanceof ServerLevel worldserver) {
+ if (this instanceof Leashable) {
+- Leashable.tickLeash(worldserver, (Entity) ((Leashable) this));
++ Leashable.tickLeash(worldserver, (Entity & Leashable) this); // CraftBukkit - decompile error
+ }
+ }
+
+@@ -537,7 +863,12 @@
+ }
+
+ public void checkBelowWorld() {
+- if (this.getY() < (double) (this.level().getMinY() - 64)) {
++ if (!this.level.getWorld().isVoidDamageEnabled()) return; // Paper - check if void damage is enabled on the world
++ // Paper start - Configurable nether ceiling damage
++ if (this.getY() < (double) (this.level.getMinY() + this.level.getWorld().getVoidDamageMinBuildHeightOffset()) || (this.level.getWorld().getEnvironment() == org.bukkit.World.Environment.NETHER // Paper - use configured min build height offset
++ && this.level.paperConfig().environment.netherCeilingVoidDamageHeight.test(v -> this.getY() >= v)
++ && (!(this instanceof Player player) || !player.getAbilities().invulnerable))) {
++ // Paper end - Configurable nether ceiling damage
+ this.onBelowWorld();
+ }
+
+@@ -568,15 +899,32 @@
+
+ public void lavaHurt() {
+ if (!this.fireImmune()) {
+- this.igniteForSeconds(15.0F);
++ // CraftBukkit start - Fallen in lava TODO: this event spams!
++ if (this instanceof net.minecraft.world.entity.LivingEntity && this.remainingFireTicks <= 0) {
++ // not on fire yet
++ org.bukkit.block.Block damager = (this.lastLavaContact == null) ? null : org.bukkit.craftbukkit.block.CraftBlock.at(this.level, this.lastLavaContact);
++ org.bukkit.entity.Entity damagee = this.getBukkitEntity();
++ EntityCombustEvent combustEvent = new org.bukkit.event.entity.EntityCombustByBlockEvent(damager, damagee, 15);
++ this.level.getCraftServer().getPluginManager().callEvent(combustEvent);
++
++ if (!combustEvent.isCancelled()) {
++ this.igniteForSeconds(combustEvent.getDuration(), false);
++ }
++ } else {
++ // This will be called every single tick the entity is in lava, so don't throw an event
++ this.igniteForSeconds(15.0F, false);
++ }
++ // CraftBukkit end
+ Level world = this.level();
+
+ if (world instanceof ServerLevel) {
+ ServerLevel worldserver = (ServerLevel) world;
+
+- if (this.hurtServer(worldserver, this.damageSources().lava(), 4.0F) && this.shouldPlayLavaHurtSound() && !this.isSilent()) {
++ // CraftBukkit start
++ if (this.hurtServer(worldserver, this.damageSources().lava().directBlock(this.level, this.lastLavaContact), 4.0F) && this.shouldPlayLavaHurtSound() && !this.isSilent()) {
+ worldserver.playSound((Player) null, this.getX(), this.getY(), this.getZ(), SoundEvents.GENERIC_BURN, this.getSoundSource(), 0.4F, 2.0F + this.random.nextFloat() * 0.4F);
+ }
++ // CraftBukkit end - we also don't throw an event unless the object in lava is living, to save on some event calls
+ }
+
+ }
+@@ -587,9 +935,25 @@
+ }
+
+ public final void igniteForSeconds(float seconds) {
+- this.igniteForTicks(Mth.floor(seconds * 20.0F));
++ // CraftBukkit start
++ this.igniteForSeconds(seconds, true);
+ }
+
++ public final void igniteForSeconds(float f, boolean callEvent) {
++ if (callEvent) {
++ EntityCombustEvent event = new EntityCombustEvent(this.getBukkitEntity(), f);
++ this.level.getCraftServer().getPluginManager().callEvent(event);
++
++ if (event.isCancelled()) {
++ return;
++ }
++
++ f = event.getDuration();
++ }
++ // CraftBukkit end
++ this.igniteForTicks(Mth.floor(f * 20.0F));
++ }
++
+ public void igniteForTicks(int ticks) {
+ if (this.remainingFireTicks < ticks) {
+ this.setRemainingFireTicks(ticks);
+@@ -610,7 +974,7 @@
+ }
+
+ protected void onBelowWorld() {
+- this.discard();
++ this.discard(EntityRemoveEvent.Cause.OUT_OF_WORLD); // CraftBukkit - add Bukkit remove cause
+ }
+
+ public boolean isFree(double offsetX, double offsetY, double offsetZ) {
+@@ -672,6 +1036,7 @@
+ }
+
+ public void move(MoverType type, Vec3 movement) {
++ final Vec3 originalMovement = movement; // Paper - Expose pre-collision velocity
+ if (this.noPhysics) {
+ this.setPos(this.getX() + movement.x, this.getY() + movement.y, this.getZ() + movement.z);
+ } else {
+@@ -747,8 +1112,30 @@
+
+ if (movement.y != vec3d1.y) {
+ block.updateEntityMovementAfterFallOn(this.level(), this);
++ }
++ }
++
++ // CraftBukkit start
++ if (this.horizontalCollision && this.getBukkitEntity() instanceof Vehicle) {
++ Vehicle vehicle = (Vehicle) this.getBukkitEntity();
++ org.bukkit.block.Block bl = this.level.getWorld().getBlockAt(Mth.floor(this.getX()), Mth.floor(this.getY()), Mth.floor(this.getZ()));
++
++ if (movement.x > vec3d1.x) {
++ bl = bl.getRelative(BlockFace.EAST);
++ } else if (movement.x < vec3d1.x) {
++ bl = bl.getRelative(BlockFace.WEST);
++ } else if (movement.z > vec3d1.z) {
++ bl = bl.getRelative(BlockFace.SOUTH);
++ } else if (movement.z < vec3d1.z) {
++ bl = bl.getRelative(BlockFace.NORTH);
++ }
++
++ if (!bl.getType().isAir()) {
++ VehicleBlockCollisionEvent event = new VehicleBlockCollisionEvent(vehicle, bl, org.bukkit.craftbukkit.util.CraftVector.toBukkit(originalMovement)); // Paper - Expose pre-collision velocity
++ this.level.getCraftServer().getPluginManager().callEvent(event);
+ }
+ }
++ // CraftBukkit end
+
+ if (!this.level().isClientSide() || this.isControlledByLocalInstance()) {
+ Entity.MovementEmission entity_movementemission = this.getMovementEmission();
+@@ -913,7 +1300,7 @@
+ }
+
+ protected BlockPos getOnPos(float offset) {
+- if (this.mainSupportingBlockPos.isPresent()) {
++ if (this.mainSupportingBlockPos.isPresent() && this.level().getChunkIfLoadedImmediately(this.mainSupportingBlockPos.get()) != null) { // Paper - ensure no loads
+ BlockPos blockposition = (BlockPos) this.mainSupportingBlockPos.get();
+
+ if (offset <= 1.0E-5F) {
+@@ -1133,6 +1520,20 @@
+ return SoundEvents.GENERIC_SPLASH;
+ }
+
++ // CraftBukkit start - Add delegate methods
++ public SoundEvent getSwimSound0() {
++ return this.getSwimSound();
++ }
++
++ public SoundEvent getSwimSplashSound0() {
++ return this.getSwimSplashSound();
++ }
++
++ public SoundEvent getSwimHighSpeedSplashSound0() {
++ return this.getSwimHighSpeedSplashSound();
++ }
++ // CraftBukkit end
++
+ public void recordMovementThroughBlocks(Vec3 oldPos, Vec3 newPos) {
+ this.movementThisTick.add(new Entity.Movement(oldPos, newPos));
+ }
+@@ -1599,6 +2000,7 @@
+ this.setXRot(Mth.clamp(pitch, -90.0F, 90.0F) % 360.0F);
+ this.yRotO = this.getYRot();
+ this.xRotO = this.getXRot();
++ this.setYHeadRot(yaw); // Paper - Update head rotation
+ }
+
+ public void absMoveTo(double x, double y, double z) {
+@@ -1609,6 +2011,7 @@
+ this.yo = y;
+ this.zo = d4;
+ this.setPos(d3, y, d4);
++ if (this.valid) this.level.getChunk((int) Math.floor(this.getX()) >> 4, (int) Math.floor(this.getZ()) >> 4); // CraftBukkit
+ }
+
+ public void moveTo(Vec3 pos) {
+@@ -1628,11 +2031,19 @@
+ }
+
+ public void moveTo(double x, double y, double z, float yaw, float pitch) {
++ // Paper start - Fix Entity Teleportation and cancel velocity if teleported
++ if (!preserveMotion) {
++ this.deltaMovement = Vec3.ZERO;
++ } else {
++ this.preserveMotion = false;
++ }
++ // Paper end - Fix Entity Teleportation and cancel velocity if teleported
+ this.setPosRaw(x, y, z);
+ this.setYRot(yaw);
+ this.setXRot(pitch);
+ this.setOldPosAndRot();
+ this.reapplyPosition();
++ this.setYHeadRot(yaw); // Paper - Update head rotation
+ }
+
+ public final void setOldPosAndRot() {
+@@ -1701,6 +2112,7 @@
+ public void push(Entity entity) {
+ if (!this.isPassengerOfSameVehicle(entity)) {
+ if (!entity.noPhysics && !this.noPhysics) {
++ if (this.level.paperConfig().collisions.onlyPlayersCollide && !(entity instanceof ServerPlayer || this instanceof ServerPlayer)) return; // Paper - Collision option for requiring a player participant
+ double d0 = entity.getX() - this.getX();
+ double d1 = entity.getZ() - this.getZ();
+ double d2 = Mth.absMax(d0, d1);
+@@ -1737,7 +2149,21 @@
+ }
+
+ public void push(double deltaX, double deltaY, double deltaZ) {
+- this.setDeltaMovement(this.getDeltaMovement().add(deltaX, deltaY, deltaZ));
++ // Paper start - Add EntityKnockbackByEntityEvent and EntityPushedByEntityAttackEvent
++ this.push(deltaX, deltaY, deltaZ, null);
++ }
++
++ public void push(double deltaX, double deltaY, double deltaZ, @Nullable Entity pushingEntity) {
++ org.bukkit.util.Vector delta = new org.bukkit.util.Vector(deltaX, deltaY, deltaZ);
++ if (pushingEntity != null) {
++ io.papermc.paper.event.entity.EntityPushedByEntityAttackEvent event = new io.papermc.paper.event.entity.EntityPushedByEntityAttackEvent(this.getBukkitEntity(), io.papermc.paper.event.entity.EntityKnockbackEvent.Cause.PUSH, pushingEntity.getBukkitEntity(), delta);
++ if (!event.callEvent()) {
++ return;
++ }
++ delta = event.getKnockback();
++ }
++ this.setDeltaMovement(this.getDeltaMovement().add(delta.getX(), delta.getY(), delta.getZ()));
++ // Paper end - Add EntityKnockbackByEntityEvent and EntityPushedByEntityAttackEvent
+ this.hasImpulse = true;
+ }
+
+@@ -1858,9 +2284,21 @@
+ }
+
+ public boolean isPushable() {
++ // Paper start - Climbing should not bypass cramming gamerule
++ return isCollidable(false);
++ }
++
++ public boolean isCollidable(boolean ignoreClimbing) {
++ // Paper end - Climbing should not bypass cramming gamerule
+ return false;
+ }
+
++ // CraftBukkit start - collidable API
++ public boolean canCollideWithBukkit(Entity entity) {
++ return this.isPushable();
++ }
++ // CraftBukkit end
++
+ public void awardKillScore(Entity entityKilled, DamageSource damageSource) {
+ if (entityKilled instanceof ServerPlayer) {
+ CriteriaTriggers.ENTITY_KILLED_PLAYER.trigger((ServerPlayer) entityKilled, this, damageSource);
+@@ -1889,74 +2327,133 @@
+ }
+
+ public boolean saveAsPassenger(CompoundTag nbt) {
++ // CraftBukkit start - allow excluding certain data when saving
++ return this.saveAsPassenger(nbt, true);
++ }
++
++ public boolean saveAsPassenger(CompoundTag nbttagcompound, boolean includeAll) {
++ // CraftBukkit end
+ if (this.removalReason != null && !this.removalReason.shouldSave()) {
+ return false;
+ } else {
+ String s = this.getEncodeId();
+
+- if (s == null) {
++ if (!this.persist || s == null) { // CraftBukkit - persist flag
+ return false;
+ } else {
+- nbt.putString("id", s);
+- this.saveWithoutId(nbt);
++ nbttagcompound.putString("id", s);
++ this.saveWithoutId(nbttagcompound, includeAll); // CraftBukkit - pass on includeAll
+ return true;
+ }
+ }
+ }
+
++ // Paper start - Entity serialization api
++ public boolean serializeEntity(CompoundTag compound) {
++ List<Entity> pass = new java.util.ArrayList<>(this.getPassengers());
++ this.passengers = ImmutableList.of();
++ boolean result = save(compound);
++ this.passengers = ImmutableList.copyOf(pass);
++ return result;
++ }
++ // Paper end - Entity serialization api
+ public boolean save(CompoundTag nbt) {
+ return this.isPassenger() ? false : this.saveAsPassenger(nbt);
+ }
+
+ public CompoundTag saveWithoutId(CompoundTag nbt) {
++ // CraftBukkit start - allow excluding certain data when saving
++ return this.saveWithoutId(nbt, true);
++ }
++
++ public CompoundTag saveWithoutId(CompoundTag nbttagcompound, boolean includeAll) {
++ // CraftBukkit end
+ try {
+- if (this.vehicle != null) {
+- nbt.put("Pos", this.newDoubleList(this.vehicle.getX(), this.getY(), this.vehicle.getZ()));
+- } else {
+- nbt.put("Pos", this.newDoubleList(this.getX(), this.getY(), this.getZ()));
++ // CraftBukkit start - selectively save position
++ if (includeAll) {
++ if (this.vehicle != null) {
++ nbttagcompound.put("Pos", this.newDoubleList(this.vehicle.getX(), this.getY(), this.vehicle.getZ()));
++ } else {
++ nbttagcompound.put("Pos", this.newDoubleList(this.getX(), this.getY(), this.getZ()));
++ }
+ }
++ // CraftBukkit end
+
+ Vec3 vec3d = this.getDeltaMovement();
+
+- nbt.put("Motion", this.newDoubleList(vec3d.x, vec3d.y, vec3d.z));
+- nbt.put("Rotation", this.newFloatList(this.getYRot(), this.getXRot()));
+- nbt.putFloat("FallDistance", this.fallDistance);
+- nbt.putShort("Fire", (short) this.remainingFireTicks);
+- nbt.putShort("Air", (short) this.getAirSupply());
+- nbt.putBoolean("OnGround", this.onGround());
+- nbt.putBoolean("Invulnerable", this.invulnerable);
+- nbt.putInt("PortalCooldown", this.portalCooldown);
+- nbt.putUUID("UUID", this.getUUID());
++ nbttagcompound.put("Motion", this.newDoubleList(vec3d.x, vec3d.y, vec3d.z));
++
++ // CraftBukkit start - Checking for NaN pitch/yaw and resetting to zero
++ // TODO: make sure this is the best way to address this.
++ if (Float.isNaN(this.yRot)) {
++ this.yRot = 0;
++ }
++
++ if (Float.isNaN(this.xRot)) {
++ this.xRot = 0;
++ }
++ // CraftBukkit end
++
++ nbttagcompound.put("Rotation", this.newFloatList(this.getYRot(), this.getXRot()));
++ nbttagcompound.putFloat("FallDistance", this.fallDistance);
++ nbttagcompound.putShort("Fire", (short) this.remainingFireTicks);
++ nbttagcompound.putShort("Air", (short) this.getAirSupply());
++ nbttagcompound.putBoolean("OnGround", this.onGround());
++ nbttagcompound.putBoolean("Invulnerable", this.invulnerable);
++ nbttagcompound.putInt("PortalCooldown", this.portalCooldown);
++ // CraftBukkit start - selectively save uuid and world
++ if (includeAll) {
++ nbttagcompound.putUUID("UUID", this.getUUID());
++ // PAIL: Check above UUID reads 1.8 properly, ie: UUIDMost / UUIDLeast
++ nbttagcompound.putLong("WorldUUIDLeast", ((ServerLevel) this.level).getWorld().getUID().getLeastSignificantBits());
++ nbttagcompound.putLong("WorldUUIDMost", ((ServerLevel) this.level).getWorld().getUID().getMostSignificantBits());
++ }
++ nbttagcompound.putInt("Bukkit.updateLevel", Entity.CURRENT_LEVEL);
++ if (!this.persist) {
++ nbttagcompound.putBoolean("Bukkit.persist", this.persist);
++ }
++ if (!this.visibleByDefault) {
++ nbttagcompound.putBoolean("Bukkit.visibleByDefault", this.visibleByDefault);
++ }
++ if (this.persistentInvisibility) {
++ nbttagcompound.putBoolean("Bukkit.invisible", this.persistentInvisibility);
++ }
++ // SPIGOT-6907: re-implement LivingEntity#setMaximumAir()
++ if (this.maxAirTicks != this.getDefaultMaxAirSupply()) {
++ nbttagcompound.putInt("Bukkit.MaxAirSupply", this.getMaxAirSupply());
++ }
++ nbttagcompound.putInt("Spigot.ticksLived", this.tickCount);
++ // CraftBukkit end
+ Component ichatbasecomponent = this.getCustomName();
+
+ if (ichatbasecomponent != null) {
+- nbt.putString("CustomName", Component.Serializer.toJson(ichatbasecomponent, this.registryAccess()));
++ nbttagcompound.putString("CustomName", Component.Serializer.toJson(ichatbasecomponent, this.registryAccess()));
+ }
+
+ if (this.isCustomNameVisible()) {
+- nbt.putBoolean("CustomNameVisible", this.isCustomNameVisible());
++ nbttagcompound.putBoolean("CustomNameVisible", this.isCustomNameVisible());
+ }
+
+ if (this.isSilent()) {
+- nbt.putBoolean("Silent", this.isSilent());
++ nbttagcompound.putBoolean("Silent", this.isSilent());
+ }
+
+ if (this.isNoGravity()) {
+- nbt.putBoolean("NoGravity", this.isNoGravity());
++ nbttagcompound.putBoolean("NoGravity", this.isNoGravity());
+ }
+
+ if (this.hasGlowingTag) {
+- nbt.putBoolean("Glowing", true);
++ nbttagcompound.putBoolean("Glowing", true);
+ }
+
+ int i = this.getTicksFrozen();
+
+ if (i > 0) {
+- nbt.putInt("TicksFrozen", this.getTicksFrozen());
++ nbttagcompound.putInt("TicksFrozen", this.getTicksFrozen());
+ }
+
+ if (this.hasVisualFire) {
+- nbt.putBoolean("HasVisualFire", this.hasVisualFire);
++ nbttagcompound.putBoolean("HasVisualFire", this.hasVisualFire);
+ }
+
+ ListTag nbttaglist;
+@@ -1972,10 +2469,10 @@
+ nbttaglist.add(StringTag.valueOf(s));
+ }
+
+- nbt.put("Tags", nbttaglist);
++ nbttagcompound.put("Tags", nbttaglist);
+ }
+
+- this.addAdditionalSaveData(nbt);
++ this.addAdditionalSaveData(nbttagcompound, includeAll); // CraftBukkit - pass on includeAll
+ if (this.isVehicle()) {
+ nbttaglist = new ListTag();
+ iterator = this.getPassengers().iterator();
+@@ -1984,17 +2481,44 @@
+ Entity entity = (Entity) iterator.next();
+ CompoundTag nbttagcompound1 = new CompoundTag();
+
+- if (entity.saveAsPassenger(nbttagcompound1)) {
++ if (entity.saveAsPassenger(nbttagcompound1, includeAll)) { // CraftBukkit - pass on includeAll
+ nbttaglist.add(nbttagcompound1);
+ }
+ }
+
+ if (!nbttaglist.isEmpty()) {
+- nbt.put("Passengers", nbttaglist);
++ nbttagcompound.put("Passengers", nbttaglist);
+ }
+ }
+
+- return nbt;
++ // CraftBukkit start - stores eventually existing bukkit values
++ if (this.bukkitEntity != null) {
++ this.bukkitEntity.storeBukkitValues(nbttagcompound);
++ }
++ // CraftBukkit end
++ // Paper start
++ if (this.origin != null) {
++ UUID originWorld = this.originWorld != null ? this.originWorld : this.level != null ? this.level.getWorld().getUID() : null;
++ if (originWorld != null) {
++ nbttagcompound.putUUID("Paper.OriginWorld", originWorld);
++ }
++ nbttagcompound.put("Paper.Origin", this.newDoubleList(origin.getX(), origin.getY(), origin.getZ()));
++ }
++ if (spawnReason != null) {
++ nbttagcompound.putString("Paper.SpawnReason", spawnReason.name());
++ }
++ // Save entity's from mob spawner status
++ if (spawnedViaMobSpawner) {
++ nbttagcompound.putBoolean("Paper.FromMobSpawner", true);
++ }
++ if (fromNetherPortal) {
++ nbttagcompound.putBoolean("Paper.FromNetherPortal", true);
++ }
++ if (freezeLocked) {
++ nbttagcompound.putBoolean("Paper.FreezeLock", true);
++ }
++ // Paper end
++ return nbttagcompound;
+ } catch (Throwable throwable) {
+ CrashReport crashreport = CrashReport.forThrowable(throwable, "Saving entity NBT");
+ CrashReportCategory crashreportsystemdetails = crashreport.addCategory("Entity being saved");
+@@ -2080,6 +2604,71 @@
+ } else {
+ throw new IllegalStateException("Entity has invalid position");
+ }
++
++ // CraftBukkit start
++ // Spigot start
++ if (this instanceof net.minecraft.world.entity.LivingEntity) {
++ this.tickCount = nbt.getInt("Spigot.ticksLived");
++ }
++ // Spigot end
++ this.persist = !nbt.contains("Bukkit.persist") || nbt.getBoolean("Bukkit.persist");
++ this.visibleByDefault = !nbt.contains("Bukkit.visibleByDefault") || nbt.getBoolean("Bukkit.visibleByDefault");
++ // SPIGOT-6907: re-implement LivingEntity#setMaximumAir()
++ if (nbt.contains("Bukkit.MaxAirSupply")) {
++ this.maxAirTicks = nbt.getInt("Bukkit.MaxAirSupply");
++ }
++ // CraftBukkit end
++
++ // CraftBukkit start
++ // Paper - move world parsing/loading to PlayerList#placeNewPlayer
++ this.getBukkitEntity().readBukkitValues(nbt);
++ if (nbt.contains("Bukkit.invisible")) {
++ boolean bukkitInvisible = nbt.getBoolean("Bukkit.invisible");
++ this.setInvisible(bukkitInvisible);
++ this.persistentInvisibility = bukkitInvisible;
++ }
++ // CraftBukkit end
++
++ // Paper start
++ ListTag originTag = nbt.getList("Paper.Origin", net.minecraft.nbt.Tag.TAG_DOUBLE);
++ if (!originTag.isEmpty()) {
++ UUID originWorld = null;
++ if (nbt.contains("Paper.OriginWorld")) {
++ originWorld = nbt.getUUID("Paper.OriginWorld");
++ } else if (this.level != null) {
++ originWorld = this.level.getWorld().getUID();
++ }
++ this.originWorld = originWorld;
++ origin = new org.bukkit.util.Vector(originTag.getDouble(0), originTag.getDouble(1), originTag.getDouble(2));
++ }
++
++ spawnedViaMobSpawner = nbt.getBoolean("Paper.FromMobSpawner"); // Restore entity's from mob spawner status
++ fromNetherPortal = nbt.getBoolean("Paper.FromNetherPortal");
++ if (nbt.contains("Paper.SpawnReason")) {
++ String spawnReasonName = nbt.getString("Paper.SpawnReason");
++ try {
++ spawnReason = org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.valueOf(spawnReasonName);
++ } catch (Exception ignored) {
++ LOGGER.error("Unknown SpawnReason " + spawnReasonName + " for " + this);
++ }
++ }
++ if (spawnReason == null) {
++ if (spawnedViaMobSpawner) {
++ spawnReason = org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.SPAWNER;
++ } else if (this instanceof Mob && (this instanceof net.minecraft.world.entity.animal.Animal || this instanceof net.minecraft.world.entity.animal.AbstractFish) && !((Mob) this).removeWhenFarAway(0.0)) {
++ if (!nbt.getBoolean("PersistenceRequired")) {
++ spawnReason = org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.NATURAL;
++ }
++ }
++ }
++ if (spawnReason == null) {
++ spawnReason = org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.DEFAULT;
++ }
++ if (nbt.contains("Paper.FreezeLock")) {
++ freezeLocked = nbt.getBoolean("Paper.FreezeLock");
++ }
++ // Paper end
++
+ } catch (Throwable throwable) {
+ CrashReport crashreport = CrashReport.forThrowable(throwable, "Loading entity NBT");
+ CrashReportCategory crashreportsystemdetails = crashreport.addCategory("Entity being loaded");
+@@ -2099,7 +2688,13 @@
+ ResourceLocation minecraftkey = EntityType.getKey(entitytypes);
+
+ return entitytypes.canSerialize() && minecraftkey != null ? minecraftkey.toString() : null;
++ }
++
++ // CraftBukkit start - allow excluding certain data when saving
++ protected void addAdditionalSaveData(CompoundTag nbttagcompound, boolean includeAll) {
++ this.addAdditionalSaveData(nbttagcompound);
+ }
++ // CraftBukkit end
+
+ protected abstract void readAdditionalSaveData(CompoundTag nbt);
+
+@@ -2150,12 +2745,60 @@
+
+ @Nullable
+ public ItemEntity spawnAtLocation(ServerLevel world, ItemStack stack, float yOffset) {
++ // Paper start - Restore vanilla drops behavior
++ return this.spawnAtLocation(world, stack, yOffset, null);
++ }
++ public record DefaultDrop(Item item, org.bukkit.inventory.ItemStack stack, @Nullable java.util.function.Consumer<ItemStack> dropConsumer) {
++ public DefaultDrop(final ItemStack stack, final java.util.function.Consumer<ItemStack> dropConsumer) {
++ this(stack.getItem(), org.bukkit.craftbukkit.inventory.CraftItemStack.asCraftMirror(stack), dropConsumer);
++ }
++
++ public void runConsumer(final java.util.function.Consumer<org.bukkit.inventory.ItemStack> fallback) {
++ if (this.dropConsumer == null || org.bukkit.craftbukkit.inventory.CraftItemType.bukkitToMinecraft(this.stack.getType()) != this.item) {
++ fallback.accept(this.stack);
++ } else {
++ this.dropConsumer.accept(org.bukkit.craftbukkit.inventory.CraftItemStack.asNMSCopy(this.stack));
++ }
++ }
++ }
++ @Nullable
++ public ItemEntity spawnAtLocation(ServerLevel world, ItemStack stack, float yOffset, @Nullable java.util.function.Consumer<? super ItemEntity> delayedAddConsumer) {
++ // Paper end - Restore vanilla drops behavior
+ if (stack.isEmpty()) {
+ return null;
+ } else {
+- ItemEntity entityitem = new ItemEntity(world, this.getX(), this.getY() + (double) yOffset, this.getZ(), stack);
++ // CraftBukkit start - Capture drops for death event
++ if (this instanceof net.minecraft.world.entity.LivingEntity && !((net.minecraft.world.entity.LivingEntity) this).forceDrops) {
++ // Paper start - Restore vanilla drops behavior
++ ((net.minecraft.world.entity.LivingEntity) this).drops.add(new net.minecraft.world.entity.Entity.DefaultDrop(stack, itemStack -> {
++ ItemEntity itemEntity = new ItemEntity(this.level, this.getX(), this.getY() + (double) yOffset, this.getZ(), itemStack); // stack is copied before consumer
++ itemEntity.setDefaultPickUpDelay();
++ this.level.addFreshEntity(itemEntity);
++ if (delayedAddConsumer != null) delayedAddConsumer.accept(itemEntity);
++ }));
++ // Paper end - Restore vanilla drops behavior
++ return null;
++ }
++ // CraftBukkit end
++ ItemEntity entityitem = new ItemEntity(world, this.getX(), this.getY() + (double) yOffset, this.getZ(), stack.copy()); // Paper - copy so we can destroy original
++ stack.setCount(0); // Paper - destroy this item - if this ever leaks due to game bugs, ensure it doesn't dupe
+
+- entityitem.setDefaultPickUpDelay();
++ entityitem.setDefaultPickUpDelay(); // Paper - diff on change (in dropConsumer)
++ // Paper start - Call EntityDropItemEvent
++ return this.spawnAtLocation(world, entityitem);
++ }
++ }
++ @Nullable
++ public ItemEntity spawnAtLocation(ServerLevel world, ItemEntity entityitem) {
++ {
++ // Paper end - Call EntityDropItemEvent
++ // CraftBukkit start
++ EntityDropItemEvent event = new EntityDropItemEvent(this.getBukkitEntity(), (org.bukkit.entity.Item) entityitem.getBukkitEntity());
++ Bukkit.getPluginManager().callEvent(event);
++ if (event.isCancelled()) {
++ return null;
++ }
++ // CraftBukkit end
+ world.addFreshEntity(entityitem);
+ return entityitem;
+ }
+@@ -2184,7 +2827,16 @@
+ if (this.isAlive() && this instanceof Leashable leashable) {
+ if (leashable.getLeashHolder() == player) {
+ if (!this.level().isClientSide()) {
+- if (player.hasInfiniteMaterials()) {
++ // CraftBukkit start - fire PlayerUnleashEntityEvent
++ // Paper start - Expand EntityUnleashEvent
++ org.bukkit.event.player.PlayerUnleashEntityEvent event = CraftEventFactory.callPlayerUnleashEntityEvent(this, player, hand, !player.hasInfiniteMaterials());
++ if (event.isCancelled()) {
++ // Paper end - Expand EntityUnleashEvent
++ ((ServerPlayer) player).connection.send(new ClientboundSetEntityLinkPacket(this, leashable.getLeashHolder()));
++ return InteractionResult.PASS;
++ }
++ // CraftBukkit end
++ if (!event.isDropLeash()) { // Paper - Expand EntityUnleashEvent
+ leashable.removeLeash();
+ } else {
+ leashable.dropLeash();
+@@ -2200,6 +2852,14 @@
+
+ if (itemstack.is(Items.LEAD) && leashable.canHaveALeashAttachedToIt()) {
+ if (!this.level().isClientSide()) {
++ // CraftBukkit start - fire PlayerLeashEntityEvent
++ if (CraftEventFactory.callPlayerLeashEntityEvent(this, player, player, hand).isCancelled()) {
++ // ((ServerPlayer) player).resendItemInHands(); // SPIGOT-7615: Resend to fix client desync with used item // Paper - Fix inventory desync
++ ((ServerPlayer) player).connection.send(new ClientboundSetEntityLinkPacket(this, leashable.getLeashHolder()));
++ player.containerMenu.sendAllDataToRemote(); // Paper - Fix inventory desync
++ return InteractionResult.PASS;
++ }
++ // CraftBukkit end
+ leashable.setLeashedTo(player, true);
+ }
+
+@@ -2265,15 +2925,15 @@
+ }
+
+ public boolean showVehicleHealth() {
+- return this instanceof LivingEntity;
++ return this instanceof net.minecraft.world.entity.LivingEntity;
+ }
+
+ public boolean startRiding(Entity entity, boolean force) {
+- if (entity == this.vehicle) {
++ if (entity == this.vehicle || entity.level != this.level) { // Paper - Ensure entity passenger world matches ridden entity (bad plugins)
+ return false;
+ } else if (!entity.couldAcceptPassenger()) {
+ return false;
+- } else if (!this.level().isClientSide() && !entity.type.canSerialize()) {
++ } else if (!force && !this.level().isClientSide() && !entity.type.canSerialize()) { // SPIGOT-7947: Allow force riding all entities
+ return false;
+ } else {
+ for (Entity entity1 = entity; entity1.vehicle != null; entity1 = entity1.vehicle) {
+@@ -2285,11 +2945,32 @@
+ if (!force && (!this.canRide(entity) || !entity.canAddPassenger(this))) {
+ return false;
+ } else {
++ // CraftBukkit start
++ if (entity.getBukkitEntity() instanceof Vehicle && this.getBukkitEntity() instanceof LivingEntity) {
++ VehicleEnterEvent event = new VehicleEnterEvent((Vehicle) entity.getBukkitEntity(), this.getBukkitEntity());
++ // Suppress during worldgen
++ if (this.valid) {
++ Bukkit.getPluginManager().callEvent(event);
++ }
++ if (event.isCancelled()) {
++ return false;
++ }
++ }
++
++ EntityMountEvent event = new EntityMountEvent(this.getBukkitEntity(), entity.getBukkitEntity());
++ // Suppress during worldgen
++ if (this.valid) {
++ Bukkit.getPluginManager().callEvent(event);
++ }
++ if (event.isCancelled()) {
++ return false;
++ }
++ // CraftBukkit end
+ if (this.isPassenger()) {
+ this.stopRiding();
+ }
+
+- this.setPose(Pose.STANDING);
++ this.setPose(net.minecraft.world.entity.Pose.STANDING);
+ this.vehicle = entity;
+ this.vehicle.addPassenger(this);
+ entity.getIndirectPassengersStream().filter((entity2) -> {
+@@ -2314,19 +2995,30 @@
+ }
+
+ public void removeVehicle() {
++ // Paper start - Force entity dismount during teleportation
++ this.removeVehicle(false);
++ }
++ public void removeVehicle(boolean suppressCancellation) {
++ // Paper end - Force entity dismount during teleportation
+ if (this.vehicle != null) {
+ Entity entity = this.vehicle;
+
+ this.vehicle = null;
+- entity.removePassenger(this);
++ if (!entity.removePassenger(this, suppressCancellation)) this.vehicle = entity; // CraftBukkit // Paper - Force entity dismount during teleportation
+ }
+
+ }
+
+ public void stopRiding() {
+- this.removeVehicle();
++ // Paper start - Force entity dismount during teleportation
++ this.stopRiding(false);
+ }
+
++ public void stopRiding(boolean suppressCancellation) {
++ this.removeVehicle(suppressCancellation);
++ // Paper end - Force entity dismount during teleportation
++ }
++
+ protected void addPassenger(Entity passenger) {
+ if (passenger.getVehicle() != this) {
+ throw new IllegalStateException("Use x.startRiding(y), not y.addPassenger(x)");
+@@ -2349,21 +3041,53 @@
+ }
+ }
+
+- protected void removePassenger(Entity passenger) {
+- if (passenger.getVehicle() == this) {
++ // Paper start - Force entity dismount during teleportation
++ protected boolean removePassenger(Entity entity) { return removePassenger(entity, false);}
++ protected boolean removePassenger(Entity entity, boolean suppressCancellation) { // CraftBukkit
++ // Paper end - Force entity dismount during teleportation
++ if (entity.getVehicle() == this) {
+ throw new IllegalStateException("Use x.stopRiding(y), not y.removePassenger(x)");
+ } else {
+- if (this.passengers.size() == 1 && this.passengers.get(0) == passenger) {
++ // CraftBukkit start
++ CraftEntity craft = (CraftEntity) entity.getBukkitEntity().getVehicle();
++ Entity orig = craft == null ? null : craft.getHandle();
++ if (this.getBukkitEntity() instanceof Vehicle && entity.getBukkitEntity() instanceof LivingEntity) {
++ VehicleExitEvent event = new VehicleExitEvent(
++ (Vehicle) this.getBukkitEntity(),
++ (LivingEntity) entity.getBukkitEntity(), !suppressCancellation // Paper - Force entity dismount during teleportation
++ );
++ // Suppress during worldgen
++ if (this.valid) {
++ Bukkit.getPluginManager().callEvent(event);
++ }
++ CraftEntity craftn = (CraftEntity) entity.getBukkitEntity().getVehicle();
++ Entity n = craftn == null ? null : craftn.getHandle();
++ if (event.isCancelled() || n != orig) {
++ return false;
++ }
++ }
++
++ EntityDismountEvent event = new EntityDismountEvent(entity.getBukkitEntity(), this.getBukkitEntity(), !suppressCancellation); // Paper - Force entity dismount during teleportation
++ // Suppress during worldgen
++ if (this.valid) {
++ Bukkit.getPluginManager().callEvent(event);
++ }
++ if (event.isCancelled()) {
++ return false;
++ }
++ // CraftBukkit end
++ if (this.passengers.size() == 1 && this.passengers.get(0) == entity) {
+ this.passengers = ImmutableList.of();
+ } else {
+ this.passengers = (ImmutableList) this.passengers.stream().filter((entity1) -> {
+- return entity1 != passenger;
++ return entity1 != entity;
+ }).collect(ImmutableList.toImmutableList());
+ }
+
+- passenger.boardingCooldown = 60;
+- this.gameEvent(GameEvent.ENTITY_DISMOUNT, passenger);
++ entity.boardingCooldown = 60;
++ this.gameEvent(GameEvent.ENTITY_DISMOUNT, entity);
+ }
++ return true; // CraftBukkit
+ }
+
+ protected boolean canAddPassenger(Entity passenger) {
+@@ -2464,7 +3188,7 @@
+ if (teleporttransition != null) {
+ ServerLevel worldserver1 = teleporttransition.newLevel();
+
+- if (worldserver.getServer().isLevelEnabled(worldserver1) && (worldserver1.dimension() == worldserver.dimension() || this.canTeleport(worldserver, worldserver1))) {
++ if (this instanceof ServerPlayer || (worldserver1 != null && (worldserver1.dimension() == worldserver.dimension() || this.canTeleport(worldserver, worldserver1)))) { // CraftBukkit - always call event for players
+ this.teleport(teleporttransition);
+ }
+ }
+@@ -2547,7 +3271,7 @@
+ }
+
+ public boolean isCrouching() {
+- return this.hasPose(Pose.CROUCHING);
++ return this.hasPose(net.minecraft.world.entity.Pose.CROUCHING);
+ }
+
+ public boolean isSprinting() {
+@@ -2563,7 +3287,7 @@
+ }
+
+ public boolean isVisuallySwimming() {
+- return this.hasPose(Pose.SWIMMING);
++ return this.hasPose(net.minecraft.world.entity.Pose.SWIMMING);
+ }
+
+ public boolean isVisuallyCrawling() {
+@@ -2571,6 +3295,13 @@
+ }
+
+ public void setSwimming(boolean swimming) {
++ // CraftBukkit start
++ if (this.valid && this.isSwimming() != swimming && this instanceof net.minecraft.world.entity.LivingEntity) {
++ if (CraftEventFactory.callToggleSwimEvent((net.minecraft.world.entity.LivingEntity) this, swimming).isCancelled()) {
++ return;
++ }
++ }
++ // CraftBukkit end
+ this.setSharedFlag(4, swimming);
+ }
+
+@@ -2609,6 +3340,7 @@
+
+ @Nullable
+ public PlayerTeam getTeam() {
++ if (!this.level().paperConfig().scoreboards.allowNonPlayerEntitiesOnScoreboards && !(this instanceof Player)) { return null; } // Paper - Perf: Disable Scoreboards for non players by default
+ return this.level().getScoreboard().getPlayersTeam(this.getScoreboardName());
+ }
+
+@@ -2624,8 +3356,12 @@
+ return this.getTeam() != null ? this.getTeam().isAlliedTo(team) : false;
+ }
+
++ // CraftBukkit - start
+ public void setInvisible(boolean invisible) {
+- this.setSharedFlag(5, invisible);
++ if (!this.persistentInvisibility) { // Prevent Minecraft from removing our invisibility flag
++ this.setSharedFlag(5, invisible);
++ }
++ // CraftBukkit - end
+ }
+
+ public boolean getSharedFlag(int index) {
+@@ -2644,7 +3380,7 @@
+ }
+
+ public int getMaxAirSupply() {
+- return 300;
++ return this.maxAirTicks; // CraftBukkit - SPIGOT-6907: re-implement LivingEntity#setMaximumAir()
+ }
+
+ public int getAirSupply() {
+@@ -2652,7 +3388,18 @@
+ }
+
+ public void setAirSupply(int air) {
+- this.entityData.set(Entity.DATA_AIR_SUPPLY_ID, air);
++ // CraftBukkit start
++ EntityAirChangeEvent event = new EntityAirChangeEvent(this.getBukkitEntity(), air);
++ // Suppress during worldgen
++ if (this.valid) {
++ event.getEntity().getServer().getPluginManager().callEvent(event);
++ }
++ if (event.isCancelled() && this.getAirSupply() != air) {
++ this.entityData.markDirty(Entity.DATA_AIR_SUPPLY_ID);
++ return;
++ }
++ this.entityData.set(Entity.DATA_AIR_SUPPLY_ID, event.getAmount());
++ // CraftBukkit end
+ }
+
+ public int getTicksFrozen() {
+@@ -2679,11 +3426,44 @@
+
+ public void thunderHit(ServerLevel world, LightningBolt lightning) {
+ this.setRemainingFireTicks(this.remainingFireTicks + 1);
++ // CraftBukkit start
++ final org.bukkit.entity.Entity thisBukkitEntity = this.getBukkitEntity();
++ final org.bukkit.entity.Entity stormBukkitEntity = lightning.getBukkitEntity();
++ final PluginManager pluginManager = Bukkit.getPluginManager();
++ // CraftBukkit end
++
+ if (this.remainingFireTicks == 0) {
+- this.igniteForSeconds(8.0F);
++ // CraftBukkit start - Call a combust event when lightning strikes
++ EntityCombustByEntityEvent entityCombustEvent = new EntityCombustByEntityEvent(stormBukkitEntity, thisBukkitEntity, 8.0F);
++ pluginManager.callEvent(entityCombustEvent);
++ if (!entityCombustEvent.isCancelled()) {
++ this.igniteForSeconds(entityCombustEvent.getDuration(), false);
++ // Paper start - fix EntityCombustEvent cancellation
++ } else {
++ this.setRemainingFireTicks(this.remainingFireTicks - 1);
++ // Paper end - fix EntityCombustEvent cancellation
++ }
++ // CraftBukkit end
+ }
+
+- this.hurtServer(world, this.damageSources().lightningBolt(), 5.0F);
++ // CraftBukkit start
++ if (thisBukkitEntity instanceof Hanging) {
++ HangingBreakByEntityEvent hangingEvent = new HangingBreakByEntityEvent((Hanging) thisBukkitEntity, stormBukkitEntity);
++ pluginManager.callEvent(hangingEvent);
++
++ if (hangingEvent.isCancelled()) {
++ return;
++ }
++ }
++
++ if (this.fireImmune()) {
++ return;
++ }
++
++ if (!this.hurtServer(world, this.damageSources().lightningBolt().customEventDamager(lightning), 5.0F)) { // Paper - fix DamageSource API
++ return;
++ }
++ // CraftBukkit end
+ }
+
+ public void onAboveBubbleCol(boolean drag) {
+@@ -2713,7 +3493,7 @@
+ this.resetFallDistance();
+ }
+
+- public boolean killedEntity(ServerLevel world, LivingEntity other) {
++ public boolean killedEntity(ServerLevel world, net.minecraft.world.entity.LivingEntity other) {
+ return true;
+ }
+
+@@ -2818,7 +3598,7 @@
+ public String toString() {
+ String s = this.level() == null ? "~NULL~" : this.level().toString();
+
+- return this.removalReason != null ? String.format(Locale.ROOT, "%s['%s'/%d, l='%s', x=%.2f, y=%.2f, z=%.2f, removed=%s]", this.getClass().getSimpleName(), this.getName().getString(), this.id, s, this.getX(), this.getY(), this.getZ(), this.removalReason) : String.format(Locale.ROOT, "%s['%s'/%d, l='%s', x=%.2f, y=%.2f, z=%.2f]", this.getClass().getSimpleName(), this.getName().getString(), this.id, s, this.getX(), this.getY(), this.getZ());
++ return this.removalReason != null ? String.format(Locale.ROOT, "%s['%s'/%d, uuid='%s', l='%s', x=%.2f, y=%.2f, z=%.2f, cpos=%s, tl=%d, v=%b, removed=%s]", this.getClass().getSimpleName(), this.getName().getString(), this.id, this.uuid, s, this.getX(), this.getY(), this.getZ(), this.chunkPosition(), this.tickCount, this.valid, this.removalReason) : String.format(Locale.ROOT, "%s['%s'/%d, uuid='%s', l='%s', x=%.2f, y=%.2f, z=%.2f, cpos=%s, tl=%d, v=%b]", this.getClass().getSimpleName(), this.getName().getString(), this.id, this.uuid, s, this.getX(), this.getY(), this.getZ(), this.chunkPosition(), this.tickCount, this.valid); // Paper - add more info
+ }
+
+ public final boolean isInvulnerableToBase(DamageSource damageSource) {
+@@ -2838,6 +3618,13 @@
+ }
+
+ public void restoreFrom(Entity original) {
++ // Paper start - Forward CraftEntity in teleport command
++ CraftEntity bukkitEntity = original.bukkitEntity;
++ if (bukkitEntity != null) {
++ bukkitEntity.setHandle(this);
++ this.bukkitEntity = bukkitEntity;
++ }
++ // Paper end - Forward CraftEntity in teleport command
+ CompoundTag nbttagcompound = original.saveWithoutId(new CompoundTag());
+
+ nbttagcompound.remove("Dimension");
+@@ -2850,8 +3637,57 @@
+ public Entity teleport(TeleportTransition teleportTarget) {
+ Level world = this.level();
+
++ // Paper start - Fix item duplication and teleport issues
++ if ((!this.isAlive() || !this.valid) && (teleportTarget.newLevel() != world)) {
++ LOGGER.warn("Illegal Entity Teleport " + this + " to " + teleportTarget.newLevel() + ":" + teleportTarget.position(), new Throwable());
++ return null;
++ }
++ // Paper end - Fix item duplication and teleport issues
+ if (world instanceof ServerLevel worldserver) {
+ if (!this.isRemoved()) {
++ // CraftBukkit start
++ PositionMoveRotation absolutePosition = PositionMoveRotation.calculateAbsolute(PositionMoveRotation.of(this), PositionMoveRotation.of(teleportTarget), teleportTarget.relatives());
++ Vec3 velocity = absolutePosition.deltaMovement(); // Paper
++ Location to = CraftLocation.toBukkit(absolutePosition.position(), teleportTarget.newLevel().getWorld(), absolutePosition.yRot(), absolutePosition.xRot());
++ // Paper start - gateway-specific teleport event
++ final EntityTeleportEvent teleEvent;
++ if (this.portalProcess != null && this.portalProcess.isSamePortal(((net.minecraft.world.level.block.EndGatewayBlock) net.minecraft.world.level.block.Blocks.END_GATEWAY)) && this.level.getBlockEntity(this.portalProcess.getEntryPosition()) instanceof net.minecraft.world.level.block.entity.TheEndGatewayBlockEntity theEndGatewayBlockEntity) {
++ teleEvent = new com.destroystokyo.paper.event.entity.EntityTeleportEndGatewayEvent(this.getBukkitEntity(), this.getBukkitEntity().getLocation(), to, new org.bukkit.craftbukkit.block.CraftEndGateway(to.getWorld(), theEndGatewayBlockEntity));
++ teleEvent.callEvent();
++ } else {
++ teleEvent = CraftEventFactory.callEntityTeleportEvent(this, to);
++ }
++ // Paper end - gateway-specific teleport event
++ if (teleEvent.isCancelled() || teleEvent.getTo() == null) {
++ return null;
++ }
++ if (!to.equals(teleEvent.getTo())) {
++ to = teleEvent.getTo();
++ teleportTarget = new TeleportTransition(((CraftWorld) to.getWorld()).getHandle(), CraftLocation.toVec3D(to), Vec3.ZERO, to.getYaw(), to.getPitch(), teleportTarget.missingRespawnBlock(), teleportTarget.asPassenger(), Set.of(), teleportTarget.postTeleportTransition(), teleportTarget.cause());
++ // Paper start - Call EntityPortalExitEvent
++ velocity = Vec3.ZERO;
++ }
++ if (this.portalProcess != null) { // if in a portal
++ CraftEntity bukkitEntity = this.getBukkitEntity();
++ org.bukkit.event.entity.EntityPortalExitEvent event = new org.bukkit.event.entity.EntityPortalExitEvent(
++ bukkitEntity,
++ bukkitEntity.getLocation(), to.clone(),
++ bukkitEntity.getVelocity(), org.bukkit.craftbukkit.util.CraftVector.toBukkit(velocity)
++ );
++ event.callEvent();
++
++ // Only change the target if actually needed, since we reset relative flags
++ if (!event.isCancelled() && event.getTo() != null && (!event.getTo().equals(event.getFrom()) || !event.getAfter().equals(event.getBefore()))) {
++ to = event.getTo().clone();
++ velocity = org.bukkit.craftbukkit.util.CraftVector.toNMS(event.getAfter());
++ teleportTarget = new TeleportTransition(((CraftWorld) to.getWorld()).getHandle(), CraftLocation.toVec3D(to), velocity, to.getYaw(), to.getPitch(), teleportTarget.missingRespawnBlock(), teleportTarget.asPassenger(), Set.of(), teleportTarget.postTeleportTransition(), teleportTarget.cause());
++ }
++ }
++ if (this.isRemoved()) {
++ return null;
++ }
++ // Paper end - Call EntityPortalExitEvent
++ // CraftBukkit end
+ ServerLevel worldserver1 = teleportTarget.newLevel();
+ boolean flag = worldserver1.dimension() != worldserver.dimension();
+
+@@ -2918,10 +3754,19 @@
+ gameprofilerfiller.pop();
+ return null;
+ } else {
++ // Paper start - Fix item duplication and teleport issues
++ if (this instanceof Leashable leashable) {
++ leashable.dropLeash(); // Paper drop lead
++ }
++ // Paper end - Fix item duplication and teleport issues
+ entity.restoreFrom(this);
+ this.removeAfterChangingDimensions();
++ // CraftBukkit start - Forward the CraftEntity to the new entity
++ //this.getBukkitEntity().setHandle(entity);
++ //entity.bukkitEntity = this.getBukkitEntity(); // Paper - forward CraftEntity in teleport command; moved to Entity#restoreFrom
++ // CraftBukkit end
+ entity.teleportSetPosition(PositionMoveRotation.of(teleportTarget), teleportTarget.relatives());
+- world.addDuringTeleport(entity);
++ if (this.inWorld) world.addDuringTeleport(entity); // CraftBukkit - Don't spawn the new entity if the current entity isn't spawned
+ Iterator iterator1 = list1.iterator();
+
+ while (iterator1.hasNext()) {
+@@ -2947,7 +3792,7 @@
+ }
+
+ private void sendTeleportTransitionToRidingPlayers(TeleportTransition teleportTarget) {
+- LivingEntity entityliving = this.getControllingPassenger();
++ net.minecraft.world.entity.LivingEntity entityliving = this.getControllingPassenger();
+ Iterator iterator = this.getIndirectPassengers().iterator();
+
+ while (iterator.hasNext()) {
+@@ -2995,9 +3840,17 @@
+ }
+
+ protected void removeAfterChangingDimensions() {
+- this.setRemoved(Entity.RemovalReason.CHANGED_DIMENSION);
+- if (this instanceof Leashable leashable) {
+- leashable.removeLeash();
++ this.setRemoved(Entity.RemovalReason.CHANGED_DIMENSION, null); // CraftBukkit - add Bukkit remove cause
++ if (this instanceof Leashable leashable && leashable.isLeashed()) { // Paper - only call if it is leashed
++ // Paper start - Expand EntityUnleashEvent
++ final EntityUnleashEvent event = new EntityUnleashEvent(this.getBukkitEntity(), UnleashReason.UNKNOWN, false); // CraftBukkit
++ event.callEvent();
++ if (!event.isDropLeash()) {
++ leashable.removeLeash();
++ } else {
++ leashable.dropLeash();
++ }
++ // Paper end - Expand EntityUnleashEvent
+ }
+
+ }
+@@ -3005,12 +3858,35 @@
+ public Vec3 getRelativePortalPosition(Direction.Axis portalAxis, BlockUtil.FoundRectangle portalRect) {
+ return PortalShape.getRelativePosition(portalRect, portalAxis, this.position(), this.getDimensions(this.getPose()));
+ }
++
++ // CraftBukkit start
++ public CraftPortalEvent callPortalEvent(Entity entity, Location exit, PlayerTeleportEvent.TeleportCause cause, int searchRadius, int creationRadius) {
++ org.bukkit.entity.Entity bukkitEntity = entity.getBukkitEntity();
++ Location enter = bukkitEntity.getLocation();
++
++ // Paper start
++ final org.bukkit.PortalType portalType = switch (cause) {
++ case END_PORTAL -> org.bukkit.PortalType.ENDER;
++ case NETHER_PORTAL -> org.bukkit.PortalType.NETHER;
++ case END_GATEWAY -> org.bukkit.PortalType.END_GATEWAY; // not actually used yet
++ default -> org.bukkit.PortalType.CUSTOM;
++ };
++ EntityPortalEvent event = new EntityPortalEvent(bukkitEntity, enter, exit, searchRadius, true, creationRadius, portalType);
++ // Paper end
++ event.getEntity().getServer().getPluginManager().callEvent(event);
++ if (event.isCancelled() || event.getTo() == null || event.getTo().getWorld() == null || !entity.isAlive()) {
++ return null;
++ }
++ return new CraftPortalEvent(event);
++ }
++ // CraftBukkit end
+
+ public boolean canUsePortal(boolean allowVehicles) {
+ return (allowVehicles || !this.isPassenger()) && this.isAlive();
+ }
+
+ public boolean canTeleport(Level from, Level to) {
++ if (!this.isAlive() || !this.valid) return false; // Paper - Fix item duplication and teleport issues
+ if (from.dimension() == Level.END && to.dimension() == Level.OVERWORLD) {
+ Iterator iterator = this.getPassengers().iterator();
+
+@@ -3134,10 +4010,16 @@
+ return (Boolean) this.entityData.get(Entity.DATA_CUSTOM_NAME_VISIBLE);
+ }
+
+- public boolean teleportTo(ServerLevel world, double destX, double destY, double destZ, Set<Relative> flags, float yaw, float pitch, boolean resetCamera) {
+- float f2 = Mth.clamp(pitch, -90.0F, 90.0F);
+- Entity entity = this.teleport(new TeleportTransition(world, new Vec3(destX, destY, destZ), Vec3.ZERO, yaw, f2, flags, TeleportTransition.DO_NOTHING));
++ // CraftBukkit start
++ public final boolean teleportTo(ServerLevel world, double destX, double destY, double destZ, Set<Relative> flags, float yaw, float pitch, boolean resetCamera) {
++ return this.teleportTo(world, destX, destY, destZ, flags, yaw, pitch, resetCamera, PlayerTeleportEvent.TeleportCause.UNKNOWN);
++ }
+
++ public boolean teleportTo(ServerLevel worldserver, double d0, double d1, double d2, Set<Relative> set, float f, float f1, boolean flag, org.bukkit.event.player.PlayerTeleportEvent.TeleportCause cause) {
++ float f2 = Mth.clamp(f1, -90.0F, 90.0F);
++ Entity entity = this.teleport(new TeleportTransition(worldserver, new Vec3(d0, d1, d2), Vec3.ZERO, f, f2, set, TeleportTransition.DO_NOTHING, cause));
++ // CraftBukkit end
++
+ return entity != null;
+ }
+
+@@ -3187,7 +4069,7 @@
+ /** @deprecated */
+ @Deprecated
+ protected void fixupDimensions() {
+- Pose entitypose = this.getPose();
++ net.minecraft.world.entity.Pose entitypose = this.getPose();
+ EntityDimensions entitysize = this.getDimensions(entitypose);
+
+ this.dimensions = entitysize;
+@@ -3196,7 +4078,7 @@
+
+ public void refreshDimensions() {
+ EntityDimensions entitysize = this.dimensions;
+- Pose entitypose = this.getPose();
++ net.minecraft.world.entity.Pose entitypose = this.getPose();
+ EntityDimensions entitysize1 = this.getDimensions(entitypose);
+
+ this.dimensions = entitysize1;
+@@ -3258,10 +4140,29 @@
+ }
+
+ public final void setBoundingBox(AABB boundingBox) {
+- this.bb = boundingBox;
++ // CraftBukkit start - block invalid bounding boxes
++ double minX = boundingBox.minX,
++ minY = boundingBox.minY,
++ minZ = boundingBox.minZ,
++ maxX = boundingBox.maxX,
++ maxY = boundingBox.maxY,
++ maxZ = boundingBox.maxZ;
++ double len = boundingBox.maxX - boundingBox.minX;
++ if (len < 0) maxX = minX;
++ if (len > 64) maxX = minX + 64.0;
++
++ len = boundingBox.maxY - boundingBox.minY;
++ if (len < 0) maxY = minY;
++ if (len > 64) maxY = minY + 64.0;
++
++ len = boundingBox.maxZ - boundingBox.minZ;
++ if (len < 0) maxZ = minZ;
++ if (len > 64) maxZ = minZ + 64.0;
++ this.bb = new AABB(minX, minY, minZ, maxX, maxY, maxZ);
++ // CraftBukkit end
+ }
+
+- public final float getEyeHeight(Pose pose) {
++ public final float getEyeHeight(net.minecraft.world.entity.Pose pose) {
+ return this.getDimensions(pose).eyeHeight();
+ }
+
+@@ -3300,7 +4201,14 @@
+
+ public void startSeenByPlayer(ServerPlayer player) {}
+
+- public void stopSeenByPlayer(ServerPlayer player) {}
++ // Paper start - entity tracking events
++ public void stopSeenByPlayer(ServerPlayer player) {
++ // Since this event cannot be cancelled, we should call it here to catch all "un-tracks"
++ if (io.papermc.paper.event.player.PlayerUntrackEntityEvent.getHandlerList().getRegisteredListeners().length > 0) {
++ new io.papermc.paper.event.player.PlayerUntrackEntityEvent(player.getBukkitEntity(), this.getBukkitEntity()).callEvent();
++ }
++ }
++ // Paper end - entity tracking events
+
+ public float rotate(Rotation rotation) {
+ float f = Mth.wrapDegrees(this.getYRot());
+@@ -3335,7 +4243,7 @@
+ }
+
+ @Nullable
+- public LivingEntity getControllingPassenger() {
++ public net.minecraft.world.entity.LivingEntity getControllingPassenger() {
+ return null;
+ }
+
+@@ -3373,20 +4281,34 @@
+ }
+
+ private Stream<Entity> getIndirectPassengersStream() {
++ if (this.passengers.isEmpty()) { return Stream.of(); } // Paper - Optimize indirect passenger iteration
+ return this.passengers.stream().flatMap(Entity::getSelfAndPassengers);
+ }
+
+ @Override
+ public Stream<Entity> getSelfAndPassengers() {
++ if (this.passengers.isEmpty()) { return Stream.of(this); } // Paper - Optimize indirect passenger iteration
+ return Stream.concat(Stream.of(this), this.getIndirectPassengersStream());
+ }
+
+ @Override
+ public Stream<Entity> getPassengersAndSelf() {
++ if (this.passengers.isEmpty()) { return Stream.of(this); } // Paper - Optimize indirect passenger iteration
+ return Stream.concat(this.passengers.stream().flatMap(Entity::getPassengersAndSelf), Stream.of(this));
+ }
+
+ public Iterable<Entity> getIndirectPassengers() {
++ // Paper start - Optimize indirect passenger iteration
++ if (this.passengers.isEmpty()) { return ImmutableList.of(); }
++ ImmutableList.Builder<Entity> indirectPassengers = ImmutableList.builder();
++ for (Entity passenger : this.passengers) {
++ indirectPassengers.add(passenger);
++ indirectPassengers.addAll(passenger.getIndirectPassengers());
++ }
++ return indirectPassengers.build();
++ }
++ private Iterable<Entity> getIndirectPassengers_old() {
++ // Paper end - Optimize indirect passenger iteration
+ return () -> {
+ return this.getIndirectPassengersStream().iterator();
+ };
+@@ -3399,6 +4321,7 @@
+ }
+
+ public boolean hasExactlyOnePlayerPassenger() {
++ if (this.passengers.isEmpty()) { return false; } // Paper - Optimize indirect passenger iteration
+ return this.countPlayerPassengers() == 1;
+ }
+
+@@ -3435,7 +4358,7 @@
+ }
+
+ public boolean isControlledByLocalInstance() {
+- LivingEntity entityliving = this.getControllingPassenger();
++ net.minecraft.world.entity.LivingEntity entityliving = this.getControllingPassenger();
+
+ if (entityliving instanceof Player entityhuman) {
+ return entityhuman.isLocalPlayer();
+@@ -3445,7 +4368,7 @@
+ }
+
+ public boolean isControlledByClient() {
+- LivingEntity entityliving = this.getControllingPassenger();
++ net.minecraft.world.entity.LivingEntity entityliving = this.getControllingPassenger();
+
+ return entityliving != null && entityliving.isControlledByClient();
+ }
+@@ -3463,7 +4386,7 @@
+ return new Vec3((double) f1 * d2 / (double) f3, 0.0D, (double) f2 * d2 / (double) f3);
+ }
+
+- public Vec3 getDismountLocationForPassenger(LivingEntity passenger) {
++ public Vec3 getDismountLocationForPassenger(net.minecraft.world.entity.LivingEntity passenger) {
+ return new Vec3(this.getX(), this.getBoundingBox().maxY, this.getZ());
+ }
+
+@@ -3488,9 +4411,38 @@
+ public int getFireImmuneTicks() {
+ return 1;
+ }
++
++ // CraftBukkit start
++ private final CommandSource commandSource = new CommandSource() {
++
++ @Override
++ public void sendSystemMessage(Component message) {
++ }
+
++ @Override
++ public CommandSender getBukkitSender(CommandSourceStack wrapper) {
++ return Entity.this.getBukkitEntity();
++ }
++
++ @Override
++ public boolean acceptsSuccess() {
++ return ((ServerLevel) Entity.this.level()).getGameRules().getBoolean(GameRules.RULE_SENDCOMMANDFEEDBACK);
++ }
++
++ @Override
++ public boolean acceptsFailure() {
++ return true;
++ }
++
++ @Override
++ public boolean shouldInformAdmins() {
++ return true;
++ }
++ };
++ // CraftBukkit end
++
+ public CommandSourceStack createCommandSourceStackForNameResolution(ServerLevel world) {
+- return new CommandSourceStack(CommandSource.NULL, this.position(), this.getRotationVector(), world, 0, this.getName().getString(), this.getDisplayName(), world.getServer(), this);
++ return new CommandSourceStack(this.commandSource, this.position(), this.getRotationVector(), world, 0, this.getName().getString(), this.getDisplayName(), world.getServer(), this); // CraftBukkit
+ }
+
+ public void lookAt(EntityAnchorArgument.Anchor anchorPoint, Vec3 target) {
+@@ -3551,6 +4503,11 @@
+ vec3d = vec3d.add(vec3d1);
+ ++k1;
+ }
++ // CraftBukkit start - store last lava contact location
++ if (tag == FluidTags.LAVA) {
++ this.lastLavaContact = blockposition_mutableblockposition.immutable();
++ }
++ // CraftBukkit end
+ }
+ }
+ }
+@@ -3613,7 +4570,7 @@
+ return new ClientboundAddEntityPacket(this, entityTrackerEntry);
+ }
+
+- public EntityDimensions getDimensions(Pose pose) {
++ public EntityDimensions getDimensions(net.minecraft.world.entity.Pose pose) {
+ return this.type.getDimensions();
+ }
+
+@@ -3713,8 +4670,40 @@
+ public double getRandomZ(double widthScale) {
+ return this.getZ((2.0D * this.random.nextDouble() - 1.0D) * widthScale);
+ }
++
++ // Paper start - Block invalid positions and bounding box
++ public static boolean checkPosition(Entity entity, double newX, double newY, double newZ) {
++ if (Double.isFinite(newX) && Double.isFinite(newY) && Double.isFinite(newZ)) {
++ return true;
++ }
+
++ String entityInfo;
++ try {
++ entityInfo = entity.toString();
++ } catch (Exception ex) {
++ entityInfo = "[Entity info unavailable] ";
++ }
++ LOGGER.error("New entity position is invalid! Tried to set invalid position ({},{},{}) for entity {} located at {}, entity info: {}", newX, newY, newZ, entity.getClass().getName(), entity.position, entityInfo, new Throwable());
++ return false;
++ }
+ public final void setPosRaw(double x, double y, double z) {
++ this.setPosRaw(x, y, z, false);
++ }
++ public final void setPosRaw(double x, double y, double z, boolean forceBoundingBoxUpdate) {
++ if (!checkPosition(this, x, y, z)) {
++ return;
++ }
++ // Paper end - Block invalid positions and bounding box
++ // Paper start - Fix MC-4
++ if (this instanceof ItemEntity) {
++ if (io.papermc.paper.configuration.GlobalConfiguration.get().misc.fixEntityPositionDesync) {
++ // encode/decode from ClientboundMoveEntityPacket
++ x = Mth.lfloor(x * 4096.0) * (1 / 4096.0);
++ y = Mth.lfloor(y * 4096.0) * (1 / 4096.0);
++ z = Mth.lfloor(z * 4096.0) * (1 / 4096.0);
++ }
++ }
++ // Paper end - Fix MC-4
+ if (this.position.x != x || this.position.y != y || this.position.z != z) {
+ this.position = new Vec3(x, y, z);
+ int i = Mth.floor(x);
+@@ -3732,6 +4721,12 @@
+ this.levelCallback.onMove();
+ }
+
++ // Paper start - Block invalid positions and bounding box; don't allow desync of pos and AABB
++ // hanging has its own special logic
++ if (!(this instanceof net.minecraft.world.entity.decoration.HangingEntity) && (forceBoundingBoxUpdate || this.position.x != x || this.position.y != y || this.position.z != z)) {
++ this.setBoundingBox(this.makeBoundingBox());
++ }
++ // Paper end - Block invalid positions and bounding box
+ }
+
+ public void checkDespawn() {}
+@@ -3818,8 +4813,17 @@
+
+ @Override
+ public final void setRemoved(Entity.RemovalReason reason) {
++ // CraftBukkit start - add Bukkit remove cause
++ this.setRemoved(reason, null);
++ }
++
++ @Override
++ public final void setRemoved(Entity.RemovalReason entity_removalreason, EntityRemoveEvent.Cause cause) {
++ CraftEventFactory.callEntityRemoveEvent(this, cause);
++ // CraftBukkit end
++ final boolean alreadyRemoved = this.removalReason != null; // Paper - Folia schedulers
+ if (this.removalReason == null) {
+- this.removalReason = reason;
++ this.removalReason = entity_removalreason;
+ }
+
+ if (this.removalReason.shouldDestroy()) {
+@@ -3827,14 +4831,30 @@
+ }
+
+ this.getPassengers().forEach(Entity::stopRiding);
+- this.levelCallback.onRemove(reason);
+- this.onRemoval(reason);
++ this.levelCallback.onRemove(entity_removalreason);
++ this.onRemoval(entity_removalreason);
++ // Paper start - Folia schedulers
++ if (!(this instanceof ServerPlayer) && entity_removalreason != RemovalReason.CHANGED_DIMENSION && !alreadyRemoved) {
++ // Players need to be special cased, because they are regularly removed from the world
++ this.retireScheduler();
++ }
++ // Paper end - Folia schedulers
+ }
+
+ public void unsetRemoved() {
+ this.removalReason = null;
+ }
+
++ // Paper start - Folia schedulers
++ /**
++ * Invoked only when the entity is truly removed from the server, never to be added to any world.
++ */
++ public final void retireScheduler() {
++ // we need to force create the bukkit entity so that the scheduler can be retired...
++ this.getBukkitEntity().taskScheduler.retire();
++ }
++ // Paper end - Folia schedulers
++
+ @Override
+ public void setLevelCallback(EntityInLevelCallback changeListener) {
+ this.levelCallback = changeListener;
+@@ -3887,7 +4907,7 @@
+ }
+
+ public Vec3 getKnownMovement() {
+- LivingEntity entityliving = this.getControllingPassenger();
++ net.minecraft.world.entity.LivingEntity entityliving = this.getControllingPassenger();
+
+ if (entityliving instanceof Player entityhuman) {
+ if (this.isAlive()) {
+@@ -3962,4 +4982,14 @@
+
+ void accept(Entity entity, double x, double y, double z);
+ }
++
++ // Paper start - Expose entity id counter
++ public static int nextEntityId() {
++ return ENTITY_COUNTER.incrementAndGet();
++ }
++
++ public boolean isTicking() {
++ return ((net.minecraft.server.level.ServerLevel) this.level).isPositionEntityTicking(this.blockPosition());
++ }
++ // Paper end - Expose entity id counter
+ }