--- a/net/minecraft/server/level/ServerPlayer.java
+++ b/net/minecraft/server/level/ServerPlayer.java
@@ -103,10 +103,6 @@
 import net.minecraft.util.Unit;
 import net.minecraft.util.profiling.Profiler;
 import net.minecraft.util.profiling.ProfilerFiller;
-import net.minecraft.world.Container;
-import net.minecraft.world.Difficulty;
-import net.minecraft.world.InteractionHand;
-import net.minecraft.world.MenuProvider;
 import net.minecraft.world.damagesource.DamageSource;
 import net.minecraft.world.damagesource.DamageTypes;
 import net.minecraft.world.effect.MobEffectInstance;
@@ -135,15 +131,16 @@
 import net.minecraft.world.entity.player.ChatVisiblity;
 import net.minecraft.world.entity.player.Input;
 import net.minecraft.world.entity.player.Inventory;
-import net.minecraft.world.entity.player.Player;
 import net.minecraft.world.entity.projectile.AbstractArrow;
 import net.minecraft.world.entity.projectile.ThrownEnderpearl;
 import net.minecraft.world.entity.vehicle.AbstractBoat;
 import net.minecraft.world.entity.vehicle.AbstractMinecart;
+import net.minecraft.world.food.FoodData;
 import net.minecraft.world.inventory.AbstractContainerMenu;
 import net.minecraft.world.inventory.ContainerListener;
 import net.minecraft.world.inventory.ContainerSynchronizer;
 import net.minecraft.world.inventory.HorseInventoryMenu;
+import net.minecraft.world.inventory.InventoryMenu;
 import net.minecraft.world.inventory.ResultSlot;
 import net.minecraft.world.inventory.Slot;
 import net.minecraft.world.item.Item;
@@ -154,8 +151,6 @@
 import net.minecraft.world.item.WrittenBookItem;
 import net.minecraft.world.item.crafting.Recipe;
 import net.minecraft.world.item.crafting.RecipeHolder;
-import net.minecraft.world.item.enchantment.EnchantmentHelper;
-import net.minecraft.world.item.trading.MerchantOffers;
 import net.minecraft.world.level.ChunkPos;
 import net.minecraft.world.level.GameRules;
 import net.minecraft.world.level.GameType;
@@ -163,12 +158,14 @@
 import net.minecraft.world.level.biome.BiomeManager;
 import net.minecraft.world.level.block.BedBlock;
 import net.minecraft.world.level.block.Block;
+import net.minecraft.world.level.block.ChestBlock;
 import net.minecraft.world.level.block.HorizontalDirectionalBlock;
 import net.minecraft.world.level.block.RespawnAnchorBlock;
 import net.minecraft.world.level.block.entity.BlockEntity;
 import net.minecraft.world.level.block.entity.CommandBlockEntity;
 import net.minecraft.world.level.block.entity.SignBlockEntity;
 import net.minecraft.world.level.block.state.BlockState;
+import net.minecraft.world.level.dimension.LevelStem;
 import net.minecraft.world.level.gameevent.GameEvent;
 import net.minecraft.world.level.portal.TeleportTransition;
 import net.minecraft.world.level.saveddata.maps.MapId;
@@ -179,11 +176,48 @@
 import net.minecraft.world.scores.PlayerTeam;
 import net.minecraft.world.scores.ScoreAccess;
 import net.minecraft.world.scores.ScoreHolder;
+import org.slf4j.Logger;
+import net.minecraft.world.Container;
+import net.minecraft.world.Difficulty;
+import net.minecraft.world.InteractionHand;
+import net.minecraft.world.MenuProvider;
+// CraftBukkit start
+import net.minecraft.world.damagesource.CombatTracker;
+import net.minecraft.world.item.enchantment.EnchantmentEffectComponents;
+import net.minecraft.world.item.enchantment.EnchantmentHelper;
+import net.minecraft.world.item.trading.MerchantOffers;
+import net.minecraft.world.scores.Scoreboard;
 import net.minecraft.world.scores.Team;
 import net.minecraft.world.scores.criteria.ObjectiveCriteria;
-import org.slf4j.Logger;
+import io.papermc.paper.adventure.PaperAdventure; // Paper
+import org.bukkit.Bukkit;
+import org.bukkit.Location;
+import org.bukkit.WeatherType;
+import org.bukkit.command.CommandSender;
+import org.bukkit.craftbukkit.CraftWorld;
+import org.bukkit.craftbukkit.CraftWorldBorder;
+import org.bukkit.craftbukkit.entity.CraftPlayer;
+import org.bukkit.craftbukkit.event.CraftEventFactory;
+import org.bukkit.craftbukkit.event.CraftPortalEvent;
+import org.bukkit.craftbukkit.inventory.CraftItemStack;
+import org.bukkit.craftbukkit.util.CraftDimensionUtil;
+import org.bukkit.craftbukkit.util.CraftLocation;
+import org.bukkit.entity.Player;
+import org.bukkit.event.entity.EntityExhaustionEvent;
+import org.bukkit.event.player.PlayerBedLeaveEvent;
+import org.bukkit.event.player.PlayerChangedMainHandEvent;
+import org.bukkit.event.player.PlayerChangedWorldEvent;
+import org.bukkit.event.player.PlayerDropItemEvent;
+import org.bukkit.event.player.PlayerLocaleChangeEvent;
+import org.bukkit.event.player.PlayerPortalEvent;
+import org.bukkit.event.player.PlayerRespawnEvent;
+import org.bukkit.event.player.PlayerSpawnChangeEvent;
+import org.bukkit.event.player.PlayerTeleportEvent;
+import org.bukkit.event.player.PlayerTeleportEvent.TeleportCause;
+import org.bukkit.inventory.MainHand;
+// CraftBukkit end
 
-public class ServerPlayer extends Player {
+public class ServerPlayer extends net.minecraft.world.entity.player.Player {
 
     private static final Logger LOGGER = LogUtils.getLogger();
     private static final int NEUTRAL_MOB_DEATH_NOTIFICATION_RADII_XZ = 32;
@@ -225,7 +259,8 @@
     private int levitationStartTime;
     private boolean disconnected;
     private int requestedViewDistance;
-    public String language;
+    public String language = null; // CraftBukkit - default  // Paper - default to null
+    public java.util.Locale adventure$locale = java.util.Locale.US; // Paper
     @Nullable
     private Vec3 startingToFallPosition;
     @Nullable
@@ -258,7 +293,35 @@
     private final CommandSource commandSource;
     private int containerCounter;
     public boolean wonGame;
+    private int containerUpdateDelay; // Paper - Configurable container update tick rate
+    public long loginTime; // Paper - Replace OfflinePlayer#getLastPlayed
+    public int patrolSpawnDelay; // Paper - Pillager patrol spawn settings and per player options
+    // Paper start - cancellable death event
+    public boolean queueHealthUpdatePacket;
+    public net.minecraft.network.protocol.game.ClientboundSetHealthPacket queuedHealthUpdatePacket;
+    // Paper end - cancellable death event
 
+    // CraftBukkit start
+    public CraftPlayer.TransferCookieConnection transferCookieConnection;
+    public String displayName;
+    public net.kyori.adventure.text.Component adventure$displayName; // Paper
+    public Component listName;
+    public int listOrder = 0;
+    public org.bukkit.Location compassTarget;
+    public int newExp = 0;
+    public int newLevel = 0;
+    public int newTotalExp = 0;
+    public boolean keepLevel = false;
+    public double maxHealthCache;
+    public boolean joining = true;
+    public boolean sentListPacket = false;
+    public boolean supressTrackerForLogin = false; // Paper - Fire PlayerJoinEvent when Player is actually ready
+    // CraftBukkit end
+    public boolean isRealPlayer; // Paper
+    public com.destroystokyo.paper.event.entity.PlayerNaturallySpawnCreaturesEvent playerNaturallySpawnedEvent; // Paper - PlayerNaturallySpawnCreaturesEvent
+    public @Nullable String clientBrandName = null; // Paper - Brand support
+    public org.bukkit.event.player.PlayerQuitEvent.QuitReason quitReason = null; // Paper - Add API for quit reason; there are a lot of changes to do if we change all methods leading to the event
+
     public ServerPlayer(MinecraftServer server, ServerLevel world, GameProfile profile, ClientInformation clientOptions) {
         super(world, world.getSharedSpawnPos(), world.getSharedSpawnAngle(), profile);
         this.chatVisibility = ChatVisiblity.FULL;
@@ -266,7 +329,7 @@
         this.canChatColor = true;
         this.lastActionTime = Util.getMillis();
         this.requestedViewDistance = 2;
-        this.language = "en_us";
+        this.language =  null; // Paper - default to null
         this.lastSectionPos = SectionPos.of(0, 0, 0);
         this.chunkTrackingView = ChunkTrackingView.EMPTY;
         this.respawnDimension = Level.OVERWORLD;
@@ -340,6 +403,13 @@
             public void sendSystemMessage(Component message) {
                 ServerPlayer.this.sendSystemMessage(message);
             }
+
+            // CraftBukkit start
+            @Override
+            public CommandSender getBukkitSender(CommandSourceStack wrapper) {
+                return ServerPlayer.this.getBukkitEntity();
+            }
+            // CraftBukkit end
         };
         this.textFilter = server.createTextFilterForPlayer(this);
         this.gameMode = server.createGameModeForPlayer(this);
@@ -349,17 +419,71 @@
         this.server = server;
         this.stats = server.getPlayerList().getPlayerStats(this);
         this.advancements = server.getPlayerList().getPlayerAdvancements(this);
-        this.moveTo(this.adjustSpawnLocation(world, world.getSharedSpawnPos()).getBottomCenter(), 0.0F, 0.0F);
-        this.updateOptions(clientOptions);
+        // this.moveTo(this.adjustSpawnLocation(world, world.getSharedSpawnPos()).getBottomCenter(), 0.0F, 0.0F); // Paper - Don't move existing players to world spawn
+        this.updateOptionsNoEvents(clientOptions); // Paper - don't call options events on login
         this.object = null;
+
+        // CraftBukkit start
+        this.displayName = this.getScoreboardName();
+        this.adventure$displayName = net.kyori.adventure.text.Component.text(this.getScoreboardName()); // Paper
+        this.bukkitPickUpLoot = true;
+        this.maxHealthCache = this.getMaxHealth();
     }
 
+    // Use method to resend items in hands in case of client desync, because the item use got cancelled.
+    // For example, when cancelling the leash event
+    public void resendItemInHands() {
+        this.containerMenu.findSlot(this.getInventory(), this.getInventory().selected).ifPresent(s -> {
+            this.containerSynchronizer.sendSlotChange(this.containerMenu, s, this.getMainHandItem());
+        });
+        this.containerSynchronizer.sendSlotChange(this.inventoryMenu, InventoryMenu.SHIELD_SLOT, this.getOffhandItem());
+    }
+
+    // Yes, this doesn't match Vanilla, but it's the best we can do for now.
+    // If this is an issue, PRs are welcome
+    public final BlockPos getSpawnPoint(ServerLevel worldserver) {
+        BlockPos blockposition = worldserver.getSharedSpawnPos();
+
+        if (worldserver.dimensionType().hasSkyLight() && worldserver.serverLevelData.getGameType() != GameType.ADVENTURE) {
+            int i = Math.max(0, this.server.getSpawnRadius(worldserver));
+            int j = Mth.floor(worldserver.getWorldBorder().getDistanceToBorder((double) blockposition.getX(), (double) blockposition.getZ()));
+
+            if (j < i) {
+                i = j;
+            }
+
+            if (j <= 1) {
+                i = 1;
+            }
+
+            long k = (long) (i * 2 + 1);
+            long l = k * k;
+            int i1 = l > 2147483647L ? Integer.MAX_VALUE : (int) l;
+            int j1 = this.getCoprime(i1);
+            int k1 = RandomSource.create().nextInt(i1);
+
+            for (int l1 = 0; l1 < i1; ++l1) {
+                int i2 = (k1 + j1 * l1) % i1;
+                int j2 = i2 % (i * 2 + 1);
+                int k2 = i2 / (i * 2 + 1);
+                BlockPos blockposition1 = PlayerRespawnLogic.getOverworldRespawnPos(worldserver, blockposition.getX() + j2 - i, blockposition.getZ() + k2 - i);
+
+                if (blockposition1 != null) {
+                    return blockposition1;
+                }
+            }
+        }
+
+        return blockposition;
+    }
+    // CraftBukkit end
+
     @Override
     public BlockPos adjustSpawnLocation(ServerLevel world, BlockPos basePos) {
         AABB axisalignedbb = this.getDimensions(Pose.STANDING).makeBoundingBox(Vec3.ZERO);
         BlockPos blockposition1 = basePos;
 
-        if (world.dimensionType().hasSkyLight() && world.getServer().getWorldData().getGameType() != GameType.ADVENTURE) {
+        if (world.dimensionType().hasSkyLight() && world.serverLevelData.getGameType() != GameType.ADVENTURE) { // CraftBukkit
             int i = Math.max(0, this.server.getSpawnRadius(world));
             int j = Mth.floor(world.getWorldBorder().getDistanceToBorder((double) basePos.getX(), (double) basePos.getZ()));
 
@@ -395,14 +519,20 @@
 
                     Objects.requireNonNull(basePos);
                     crashreportsystemdetails.setDetail("Origin", basePos::toString);
+                    // CraftBukkit start - decompile error
+                    int finalI = i;
                     crashreportsystemdetails.setDetail("Radius", () -> {
-                        return Integer.toString(i);
+                        return Integer.toString(finalI);
+                        // CraftBukkit end
                     });
                     crashreportsystemdetails.setDetail("Candidate", () -> {
                         return "[" + l2 + "," + i3 + "]";
                     });
+                    // CraftBukkit start - decompile error
+                    int finalL1 = l1;
                     crashreportsystemdetails.setDetail("Progress", () -> {
-                        return "" + l1 + " out of " + i1;
+                        return "" + finalL1 + " out of " + i1;
+                        // CraftBukkit end
                     });
                     throw new ReportedException(crashreport);
                 }
@@ -440,7 +570,7 @@
             dataresult = WardenSpawnTracker.CODEC.parse(new Dynamic(NbtOps.INSTANCE, nbt.get("warden_spawn_tracker")));
             logger = ServerPlayer.LOGGER;
             Objects.requireNonNull(logger);
-            dataresult.resultOrPartial(logger::error).ifPresent((wardenspawntracker) -> {
+            ((DataResult<WardenSpawnTracker>) dataresult).resultOrPartial(logger::error).ifPresent((wardenspawntracker) -> {
                 this.wardenSpawnTracker = wardenspawntracker;
             });
         }
@@ -457,17 +587,26 @@
                 return this.server.getRecipeManager().byKey(resourcekey).isPresent();
             });
         }
+        this.getBukkitEntity().readExtraData(nbt); // CraftBukkit
 
         if (this.isSleeping()) {
             this.stopSleeping();
+        }
+
+        // CraftBukkit start
+        String spawnWorld = nbt.getString("SpawnWorld");
+        CraftWorld oldWorld = (CraftWorld) Bukkit.getWorld(spawnWorld);
+        if (oldWorld != null) {
+            this.respawnDimension = oldWorld.getHandle().dimension();
         }
+        // CraftBukkit end
 
         if (nbt.contains("SpawnX", 99) && nbt.contains("SpawnY", 99) && nbt.contains("SpawnZ", 99)) {
             this.respawnPosition = new BlockPos(nbt.getInt("SpawnX"), nbt.getInt("SpawnY"), nbt.getInt("SpawnZ"));
             this.respawnForced = nbt.getBoolean("SpawnForced");
             this.respawnAngle = nbt.getFloat("SpawnAngle");
             if (nbt.contains("SpawnDimension")) {
-                DataResult dataresult1 = Level.RESOURCE_KEY_CODEC.parse(NbtOps.INSTANCE, nbt.get("SpawnDimension"));
+                DataResult<ResourceKey<Level>> dataresult1 = Level.RESOURCE_KEY_CODEC.parse(NbtOps.INSTANCE, nbt.get("SpawnDimension")); // CraftBukkit - decompile error
                 Logger logger1 = ServerPlayer.LOGGER;
 
                 Objects.requireNonNull(logger1);
@@ -482,7 +621,7 @@
             dataresult = BlockPos.CODEC.parse(NbtOps.INSTANCE, nbtbase);
             logger = ServerPlayer.LOGGER;
             Objects.requireNonNull(logger);
-            dataresult.resultOrPartial(logger::error).ifPresent((blockposition) -> {
+            ((DataResult<BlockPos>) dataresult).resultOrPartial(logger::error).ifPresent((blockposition) -> { // CraftBukkit - decompile error
                 this.raidOmenPosition = blockposition;
             });
         }
@@ -492,7 +631,7 @@
     @Override
     public void addAdditionalSaveData(CompoundTag nbt) {
         super.addAdditionalSaveData(nbt);
-        DataResult dataresult = WardenSpawnTracker.CODEC.encodeStart(NbtOps.INSTANCE, this.wardenSpawnTracker);
+        DataResult<Tag> dataresult = WardenSpawnTracker.CODEC.encodeStart(NbtOps.INSTANCE, this.wardenSpawnTracker); // CraftBukkit - decompile error
         Logger logger = ServerPlayer.LOGGER;
 
         Objects.requireNonNull(logger);
@@ -526,6 +665,7 @@
                 nbt.put("SpawnDimension", nbtbase);
             });
         }
+        this.getBukkitEntity().setExtraData(nbt); // CraftBukkit
 
         nbt.putBoolean("spawn_extra_particles_on_fall", this.spawnExtraParticlesOnFall);
         if (this.raidOmenPosition != null) {
@@ -544,7 +684,20 @@
         Entity entity = this.getRootVehicle();
         Entity entity1 = this.getVehicle();
 
-        if (entity1 != null && entity != this && entity.hasExactlyOnePlayerPassenger()) {
+        // CraftBukkit start - handle non-persistent vehicles
+        boolean persistVehicle = true;
+        if (entity1 != null) {
+            Entity vehicle;
+            for (vehicle = entity1; vehicle != null; vehicle = vehicle.getVehicle()) {
+                if (!vehicle.persist) {
+                    persistVehicle = false;
+                    break;
+                }
+            }
+        }
+
+        if (persistVehicle && entity1 != null && entity != this && entity.hasExactlyOnePlayerPassenger() && !entity.isRemoved()) { // Paper - Ensure valid vehicle status
+            // CraftBukkit end
             CompoundTag nbttagcompound1 = new CompoundTag();
             CompoundTag nbttagcompound2 = new CompoundTag();
 
@@ -564,7 +717,7 @@
                 ServerLevel worldserver = (ServerLevel) world;
                 CompoundTag nbttagcompound = ((CompoundTag) nbt.get()).getCompound("RootVehicle");
                 Entity entity = EntityType.loadEntityRecursive(nbttagcompound.getCompound("Entity"), worldserver, EntitySpawnReason.LOAD, (entity1) -> {
-                    return !worldserver.addWithUUID(entity1) ? null : entity1;
+                    return !worldserver.addWithUUID(entity1, org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.MOUNT) ? null : entity1; // CraftBukkit - decompile error // Paper - Entity#getEntitySpawnReason
                 });
 
                 if (entity == null) {
@@ -598,12 +751,12 @@
 
                 if (!this.isPassenger()) {
                     ServerPlayer.LOGGER.warn("Couldn't reattach entity to player");
-                    entity.discard();
+                    entity.discard(null); // CraftBukkit - add Bukkit remove cause
                     iterator = entity.getIndirectPassengers().iterator();
 
                     while (iterator.hasNext()) {
                         entity1 = (Entity) iterator.next();
-                        entity1.discard();
+                        entity1.discard(null); // CraftBukkit - add Bukkit remove cause
                     }
                 }
             }
@@ -625,7 +778,7 @@
                     CompoundTag nbttagcompound1 = new CompoundTag();
 
                     entityenderpearl.save(nbttagcompound1);
-                    DataResult dataresult = ResourceLocation.CODEC.encodeStart(NbtOps.INSTANCE, entityenderpearl.level().dimension().location());
+                    DataResult<Tag> dataresult = ResourceLocation.CODEC.encodeStart(NbtOps.INSTANCE, entityenderpearl.level().dimension().location()); // CraftBukkit - decompile error
                     Logger logger = ServerPlayer.LOGGER;
 
                     Objects.requireNonNull(logger);
@@ -651,7 +804,7 @@
                 nbttaglist.forEach((nbtbase1) -> {
                     if (nbtbase1 instanceof CompoundTag nbttagcompound) {
                         if (nbttagcompound.contains("ender_pearl_dimension")) {
-                            DataResult dataresult = Level.RESOURCE_KEY_CODEC.parse(NbtOps.INSTANCE, nbttagcompound.get("ender_pearl_dimension"));
+                            DataResult<ResourceKey<Level>> dataresult = Level.RESOURCE_KEY_CODEC.parse(NbtOps.INSTANCE, nbttagcompound.get("ender_pearl_dimension")); // CraftBukkit - decompile error
                             Logger logger = ServerPlayer.LOGGER;
 
                             Objects.requireNonNull(logger);
@@ -686,6 +839,29 @@
 
     }
 
+    // CraftBukkit start - World fallback code, either respawn location or global spawn
+    public void spawnIn(Level world) {
+        this.setLevel(world);
+        if (world == null) {
+            this.unsetRemoved();
+            Vec3 position = null;
+            if (this.respawnDimension != null) {
+                world = this.server.getLevel(this.respawnDimension);
+                if (world != null && this.getRespawnPosition() != null) {
+                    position = ServerPlayer.findRespawnAndUseSpawnBlock((ServerLevel) world, this.getRespawnPosition(), this.getRespawnAngle(), false, false).map(ServerPlayer.RespawnPosAngle::position).orElse(null);
+                }
+            }
+            if (world == null || position == null) {
+                world = ((CraftWorld) Bukkit.getServer().getWorlds().get(0)).getHandle();
+                position = Vec3.atCenterOf(world.getSharedSpawnPos());
+            }
+            this.setLevel(world);
+            this.setPosRaw(position.x(), position.y(), position.z()); // Paper - don't register to chunks yet
+        }
+        this.gameMode.setLevel((ServerLevel) world);
+    }
+    // CraftBukkit end
+
     public void setExperiencePoints(int points) {
         float f = (float) this.getXpNeededForNextLevel();
         float f1 = (f - 1.0F) / f;
@@ -744,6 +920,11 @@
 
     @Override
     public void tick() {
+        // CraftBukkit start
+        if (this.joining) {
+            this.joining = false;
+        }
+        // CraftBukkit end
         this.tickClientLoadTimeout();
         this.gameMode.tick();
         this.wardenSpawnTracker.tick();
@@ -751,9 +932,13 @@
             --this.invulnerableTime;
         }
 
-        this.containerMenu.broadcastChanges();
-        if (!this.containerMenu.stillValid(this)) {
-            this.closeContainer();
+        if (--this.containerUpdateDelay <= 0) {
+            this.containerMenu.broadcastChanges();
+            this.containerUpdateDelay = this.level().paperConfig().tickRates.containerUpdate;
+        }
+        // Paper end - Configurable container update tick rate
+        if (this.containerMenu != this.inventoryMenu && (this.isImmobile() || !this.containerMenu.stillValid(this))) { // Paper - Prevent opening inventories when frozen
+            this.closeContainer(org.bukkit.event.inventory.InventoryCloseEvent.Reason.CANT_USE); // Paper - Inventory close reason
             this.containerMenu = this.inventoryMenu;
         }
 
@@ -807,7 +992,7 @@
 
     public void doTick() {
         try {
-            if (!this.isSpectator() || !this.touchingUnloadedChunk()) {
+            if (valid && !this.isSpectator() || !this.touchingUnloadedChunk()) { // Paper - don't tick dead players that are not in the world currently (pending respawn)
                 super.tick();
             }
 
@@ -820,7 +1005,7 @@
             }
 
             if (this.getHealth() != this.lastSentHealth || this.lastSentFood != this.foodData.getFoodLevel() || this.foodData.getSaturationLevel() == 0.0F != this.lastFoodSaturationZero) {
-                this.connection.send(new ClientboundSetHealthPacket(this.getHealth(), this.foodData.getFoodLevel(), this.foodData.getSaturationLevel()));
+                this.connection.send(new ClientboundSetHealthPacket(this.getBukkitEntity().getScaledHealth(), this.foodData.getFoodLevel(), this.foodData.getSaturationLevel())); // CraftBukkit
                 this.lastSentHealth = this.getHealth();
                 this.lastSentFood = this.foodData.getFoodLevel();
                 this.lastFoodSaturationZero = this.foodData.getSaturationLevel() == 0.0F;
@@ -851,6 +1036,12 @@
                 this.updateScoreForCriteria(ObjectiveCriteria.EXPERIENCE, Mth.ceil((float) this.lastRecordedExperience));
             }
 
+            // CraftBukkit start - Force max health updates
+            if (this.maxHealthCache != this.getMaxHealth()) {
+                this.getBukkitEntity().updateScaledHealth();
+            }
+            // CraftBukkit end
+
             if (this.experienceLevel != this.lastRecordedLevel) {
                 this.lastRecordedLevel = this.experienceLevel;
                 this.updateScoreForCriteria(ObjectiveCriteria.LEVEL, Mth.ceil((float) this.lastRecordedLevel));
@@ -865,6 +1056,20 @@
                 CriteriaTriggers.LOCATION.trigger(this);
             }
 
+            // CraftBukkit start - initialize oldLevel, fire PlayerLevelChangeEvent, and tick client-sided world border
+            if (this.oldLevel == -1) {
+                this.oldLevel = this.experienceLevel;
+            }
+
+            if (this.oldLevel != this.experienceLevel) {
+                CraftEventFactory.callPlayerLevelChangeEvent(this.getBukkitEntity(), this.oldLevel, this.experienceLevel);
+                this.oldLevel = this.experienceLevel;
+            }
+
+            if (this.getBukkitEntity().hasClientWorldBorder()) {
+                ((CraftWorldBorder) this.getBukkitEntity().getWorldBorder()).getHandle().tick();
+            }
+            // CraftBukkit end
         } catch (Throwable throwable) {
             CrashReport crashreport = CrashReport.forThrowable(throwable, "Ticking player");
             CrashReportCategory crashreportsystemdetails = crashreport.addCategory("Player being ticked");
@@ -893,7 +1098,7 @@
         if (this.level().getDifficulty() == Difficulty.PEACEFUL && this.serverLevel().getGameRules().getBoolean(GameRules.RULE_NATURAL_REGENERATION)) {
             if (this.tickCount % 20 == 0) {
                 if (this.getHealth() < this.getMaxHealth()) {
-                    this.heal(1.0F);
+                    this.heal(1.0F, org.bukkit.event.entity.EntityRegainHealthEvent.RegainReason.REGEN); // CraftBukkit - added regain reason of "REGEN" for filtering purposes.
                 }
 
                 float f = this.foodData.getSaturationLevel();
@@ -946,19 +1151,105 @@
     }
 
     private void updateScoreForCriteria(ObjectiveCriteria criterion, int score) {
-        this.getScoreboard().forAllObjectives(criterion, this, (scoreaccess) -> {
+        // CraftBukkit - Use our scores instead
+        this.level().getCraftServer().getScoreboardManager().forAllObjectives(criterion, this, (scoreaccess) -> {
             scoreaccess.set(score);
         });
+    }
+
+    // Paper start - PlayerDeathEvent#getItemsToKeep
+    private static void processKeep(org.bukkit.event.entity.PlayerDeathEvent event, NonNullList<ItemStack> inv) {
+        List<org.bukkit.inventory.ItemStack> itemsToKeep = event.getItemsToKeep();
+        if (inv == null) {
+            // remainder of items left in toKeep - plugin added stuff on death that wasn't in the initial loot?
+            if (!itemsToKeep.isEmpty()) {
+                for (org.bukkit.inventory.ItemStack itemStack : itemsToKeep) {
+                    event.getEntity().getInventory().addItem(itemStack);
+                }
+            }
+
+            return;
+        }
+
+        for (int i = 0; i < inv.size(); ++i) {
+            ItemStack item = inv.get(i);
+            if (EnchantmentHelper.has(item, EnchantmentEffectComponents.PREVENT_EQUIPMENT_DROP) || itemsToKeep.isEmpty() || item.isEmpty()) {
+                inv.set(i, ItemStack.EMPTY);
+                continue;
+            }
+
+            final org.bukkit.inventory.ItemStack bukkitStack = item.getBukkitStack();
+            boolean keep = false;
+            final Iterator<org.bukkit.inventory.ItemStack> iterator = itemsToKeep.iterator();
+            while (iterator.hasNext()) {
+                final org.bukkit.inventory.ItemStack itemStack = iterator.next();
+                if (bukkitStack.equals(itemStack)) {
+                    iterator.remove();
+                    keep = true;
+                    break;
+                }
+            }
+
+            if (!keep) {
+                inv.set(i, ItemStack.EMPTY);
+            }
+        }
     }
+    // Paper end - PlayerDeathEvent#getItemsToKeep
 
     @Override
     public void die(DamageSource damageSource) {
-        this.gameEvent(GameEvent.ENTITY_DIE);
+        // this.gameEvent(GameEvent.ENTITY_DIE); // Paper - move below event cancellation check
         boolean flag = this.serverLevel().getGameRules().getBoolean(GameRules.RULE_SHOWDEATHMESSAGES);
+        // CraftBukkit start - fire PlayerDeathEvent
+        if (this.isRemoved()) {
+            return;
+        }
+        java.util.List<org.bukkit.inventory.ItemStack> loot = new java.util.ArrayList<>(this.getInventory().getContainerSize());
+        boolean keepInventory = this.serverLevel().getGameRules().getBoolean(GameRules.RULE_KEEPINVENTORY) || this.isSpectator();
 
-        if (flag) {
-            Component ichatbasecomponent = this.getCombatTracker().getDeathMessage();
+        if (!keepInventory) {
+            for (ItemStack item : this.getInventory().getContents()) {
+                if (!item.isEmpty() && !EnchantmentHelper.has(item, EnchantmentEffectComponents.PREVENT_EQUIPMENT_DROP)) {
+                    loot.add(CraftItemStack.asCraftMirror(item).markForInventoryDrop());
+                }
+            }
+        }
+        if (this.shouldDropLoot() && this.serverLevel().getGameRules().getBoolean(GameRules.RULE_DOMOBLOOT)) { // Paper - fix player loottables running when mob loot gamerule is false
+        // SPIGOT-5071: manually add player loot tables (SPIGOT-5195 - ignores keepInventory rule)
+        this.dropFromLootTable(this.serverLevel(), damageSource, this.lastHurtByPlayerTime > 0);
+        this.dropCustomDeathLoot(this.serverLevel(), damageSource, flag);
 
+        loot.addAll(this.drops);
+        this.drops.clear(); // SPIGOT-5188: make sure to clear
+        } // Paper - fix player loottables running when mob loot gamerule is false
+
+        Component defaultMessage = this.getCombatTracker().getDeathMessage();
+
+        String deathmessage = defaultMessage.getString();
+        this.keepLevel = keepInventory; // SPIGOT-2222: pre-set keepLevel
+        org.bukkit.event.entity.PlayerDeathEvent event = CraftEventFactory.callPlayerDeathEvent(this, damageSource, loot, PaperAdventure.asAdventure(defaultMessage), keepInventory); // Paper - Adventure
+        // Paper start - cancellable death event
+        if (event.isCancelled()) {
+            // make compatible with plugins that might have already set the health in an event listener
+            if (this.getHealth() <= 0) {
+                this.setHealth((float) event.getReviveHealth());
+            }
+            return;
+        }
+        this.gameEvent(GameEvent.ENTITY_DIE); // moved from the top of this method
+        // Paper end
+
+        // SPIGOT-943 - only call if they have an inventory open
+        if (this.containerMenu != this.inventoryMenu) {
+            this.closeContainer(org.bukkit.event.inventory.InventoryCloseEvent.Reason.DEATH); // Paper - Inventory close reason
+        }
+
+        net.kyori.adventure.text.Component deathMessage = event.deathMessage() != null ? event.deathMessage() : net.kyori.adventure.text.Component.empty(); // Paper - Adventure
+
+        if (deathMessage != null && deathMessage != net.kyori.adventure.text.Component.empty() && flag) { // Paper - Adventure // TODO: allow plugins to override?
+            Component ichatbasecomponent = PaperAdventure.asVanilla(deathMessage); // Paper - Adventure
+
             this.connection.send(new ClientboundPlayerCombatKillPacket(this.getId(), ichatbasecomponent), PacketSendListener.exceptionallySend(() -> {
                 boolean flag1 = true;
                 String s = ichatbasecomponent.getString(256);
@@ -988,12 +1279,23 @@
         if (this.serverLevel().getGameRules().getBoolean(GameRules.RULE_FORGIVE_DEAD_PLAYERS)) {
             this.tellNeutralMobsThatIDied();
         }
-
-        if (!this.isSpectator()) {
-            this.dropAllDeathLoot(this.serverLevel(), damageSource);
+        // SPIGOT-5478 must be called manually now
+        if (event.shouldDropExperience()) this.dropExperience(this.serverLevel(), damageSource.getEntity()); // Paper - tie to event
+        // we clean the player's inventory after the EntityDeathEvent is called so plugins can get the exact state of the inventory.
+        if (!event.getKeepInventory()) {
+            // Paper start - PlayerDeathEvent#getItemsToKeep
+            for (NonNullList<ItemStack> inv : this.getInventory().compartments) {
+                processKeep(event, inv);
+            }
+            processKeep(event, null);
+            // Paper end - PlayerDeathEvent#getItemsToKeep
         }
 
-        this.getScoreboard().forAllObjectives(ObjectiveCriteria.DEATH_COUNT, this, ScoreAccess::increment);
+        this.setCamera(this); // Remove spectated target
+        // CraftBukkit end
+
+        // CraftBukkit - Get our scores instead
+        this.level().getCraftServer().getScoreboardManager().forAllObjectives(ObjectiveCriteria.DEATH_COUNT, this, ScoreAccess::increment);
         LivingEntity entityliving = this.getKillCredit();
 
         if (entityliving != null) {
@@ -1028,10 +1330,12 @@
     public void awardKillScore(Entity entityKilled, DamageSource damageSource) {
         if (entityKilled != this) {
             super.awardKillScore(entityKilled, damageSource);
-            this.getScoreboard().forAllObjectives(ObjectiveCriteria.KILL_COUNT_ALL, this, ScoreAccess::increment);
-            if (entityKilled instanceof Player) {
+            // CraftBukkit - Get our scores instead
+            this.level().getCraftServer().getScoreboardManager().forAllObjectives(ObjectiveCriteria.KILL_COUNT_ALL, this, ScoreAccess::increment);
+            if (entityKilled instanceof net.minecraft.world.entity.player.Player) {
                 this.awardStat(Stats.PLAYER_KILLS);
-                this.getScoreboard().forAllObjectives(ObjectiveCriteria.KILL_COUNT_PLAYERS, this, ScoreAccess::increment);
+                // CraftBukkit - Get our scores instead
+                this.level().getCraftServer().getScoreboardManager().forAllObjectives(ObjectiveCriteria.KILL_COUNT_PLAYERS, this, ScoreAccess::increment);
             } else {
                 this.awardStat(Stats.MOB_KILLS);
             }
@@ -1049,7 +1353,8 @@
             int i = scoreboardteam.getColor().getId();
 
             if (i >= 0 && i < criterions.length) {
-                this.getScoreboard().forAllObjectives(criterions[i], targetScoreHolder, ScoreAccess::increment);
+                // CraftBukkit - Get our scores instead
+                this.level().getCraftServer().getScoreboardManager().forAllObjectives(criterions[i], targetScoreHolder, ScoreAccess::increment);
             }
         }
 
@@ -1062,8 +1367,8 @@
         } else {
             Entity entity = source.getEntity();
 
-            if (entity instanceof Player) {
-                Player entityhuman = (Player) entity;
+            if (entity instanceof net.minecraft.world.entity.player.Player) {
+                net.minecraft.world.entity.player.Player entityhuman = (net.minecraft.world.entity.player.Player) entity;
 
                 if (!this.canHarmPlayer(entityhuman)) {
                     return false;
@@ -1074,8 +1379,8 @@
                 AbstractArrow entityarrow = (AbstractArrow) entity;
                 Entity entity1 = entityarrow.getOwner();
 
-                if (entity1 instanceof Player) {
-                    Player entityhuman1 = (Player) entity1;
+                if (entity1 instanceof net.minecraft.world.entity.player.Player) {
+                    net.minecraft.world.entity.player.Player entityhuman1 = (net.minecraft.world.entity.player.Player) entity1;
 
                     if (!this.canHarmPlayer(entityhuman1)) {
                         return false;
@@ -1083,38 +1388,84 @@
                 }
             }
 
-            return super.hurtServer(world, source, amount);
+            // Paper start - cancellable death events
+            // return super.hurtServer(world, source, amount);
+            this.queueHealthUpdatePacket = true;
+            boolean damaged = super.hurtServer(world, source, amount);
+            this.queueHealthUpdatePacket = false;
+            if (this.queuedHealthUpdatePacket != null) {
+                this.connection.send(this.queuedHealthUpdatePacket);
+                this.queuedHealthUpdatePacket = null;
+            }
+            return damaged;
+            // Paper end - cancellable death events
         }
     }
 
     @Override
-    public boolean canHarmPlayer(Player player) {
+    public boolean canHarmPlayer(net.minecraft.world.entity.player.Player player) {
         return !this.isPvpAllowed() ? false : super.canHarmPlayer(player);
     }
 
     private boolean isPvpAllowed() {
-        return this.server.isPvpAllowed();
+        // CraftBukkit - this.server.isPvpAllowed() -> this.world.pvpMode
+        return this.level().pvpMode;
     }
 
-    public TeleportTransition findRespawnPositionAndUseSpawnBlock(boolean alive, TeleportTransition.PostTeleportTransition postDimensionTransition) {
+    // CraftBukkit start
+    public TeleportTransition findRespawnPositionAndUseSpawnBlock(boolean flag, TeleportTransition.PostTeleportTransition teleporttransition_a, PlayerRespawnEvent.RespawnReason reason) {
+        TeleportTransition teleportTransition;
+        boolean isBedSpawn = false;
+        boolean isAnchorSpawn = false;
+        // CraftBukkit end
         BlockPos blockposition = this.getRespawnPosition();
         float f = this.getRespawnAngle();
         boolean flag1 = this.isRespawnForced();
         ServerLevel worldserver = this.server.getLevel(this.getRespawnDimension());
 
         if (worldserver != null && blockposition != null) {
-            Optional<ServerPlayer.RespawnPosAngle> optional = ServerPlayer.findRespawnAndUseSpawnBlock(worldserver, blockposition, f, flag1, alive);
+            Optional<ServerPlayer.RespawnPosAngle> optional = ServerPlayer.findRespawnAndUseSpawnBlock(worldserver, blockposition, f, flag1, flag);
 
             if (optional.isPresent()) {
                 ServerPlayer.RespawnPosAngle entityplayer_respawnposangle = (ServerPlayer.RespawnPosAngle) optional.get();
 
-                return new TeleportTransition(worldserver, entityplayer_respawnposangle.position(), Vec3.ZERO, entityplayer_respawnposangle.yaw(), 0.0F, postDimensionTransition);
+                // CraftBukkit start
+                isBedSpawn = entityplayer_respawnposangle.isBedSpawn();
+                isAnchorSpawn = entityplayer_respawnposangle.isAnchorSpawn();
+                teleportTransition = new TeleportTransition(worldserver, entityplayer_respawnposangle.position(), Vec3.ZERO, entityplayer_respawnposangle.yaw(), 0.0F, teleporttransition_a);
+                // CraftBukkit end
             } else {
-                return TeleportTransition.missingRespawnBlock(this.server.overworld(), this, postDimensionTransition);
+                teleportTransition = TeleportTransition.missingRespawnBlock(this.server.overworld(), this, teleporttransition_a); // CraftBukkit
             }
         } else {
-            return new TeleportTransition(this.server.overworld(), this, postDimensionTransition);
+            teleportTransition = new TeleportTransition(this.server.overworld(), this, teleporttransition_a); // CraftBukkit
         }
+        // CraftBukkit start
+        if (reason == null) {
+            return teleportTransition;
+        }
+
+        Player respawnPlayer = this.getBukkitEntity();
+        Location location = CraftLocation.toBukkit(teleportTransition.position(), teleportTransition.newLevel().getWorld(), teleportTransition.yRot(), teleportTransition.xRot());
+
+        // Paper start - respawn flags
+        com.google.common.collect.ImmutableSet.Builder<org.bukkit.event.player.PlayerRespawnEvent.RespawnFlag> builder = com.google.common.collect.ImmutableSet.builder();
+        if (reason == org.bukkit.event.player.PlayerRespawnEvent.RespawnReason.END_PORTAL) {
+            builder.add(org.bukkit.event.player.PlayerRespawnEvent.RespawnFlag.END_PORTAL);
+        }
+        PlayerRespawnEvent respawnEvent = new PlayerRespawnEvent(respawnPlayer, location, isBedSpawn, isAnchorSpawn, reason, builder);
+        // Paper end - respawn flags
+        this.level().getCraftServer().getPluginManager().callEvent(respawnEvent);
+        // Spigot Start
+        if (this.connection.isDisconnected()) {
+            return null;
+        }
+        // Spigot End
+
+        location = respawnEvent.getRespawnLocation();
+
+        return new TeleportTransition(((CraftWorld) location.getWorld()).getHandle(), CraftLocation.toVec3D(location), teleportTransition.deltaMovement(), location.getYaw(), location.getPitch(), teleportTransition.missingRespawnBlock(), teleportTransition.asPassenger(), teleportTransition.relatives(), teleportTransition.postTeleportTransition(), teleportTransition.cause());
+        // CraftBukkit end
     }
 
     public static Optional<ServerPlayer.RespawnPosAngle> findRespawnAndUseSpawnBlock(ServerLevel world, BlockPos pos, float spawnAngle, boolean spawnForced, boolean alive) {
@@ -1129,11 +1480,11 @@
             }
 
             return optional.map((vec3d) -> {
-                return ServerPlayer.RespawnPosAngle.of(vec3d, pos);
+                return ServerPlayer.RespawnPosAngle.of(vec3d, pos, false, true); // CraftBukkit
             });
         } else if (block instanceof BedBlock && BedBlock.canSetSpawn(world)) {
             return BedBlock.findStandUpPosition(EntityType.PLAYER, world, pos, (Direction) iblockdata.getValue(BedBlock.FACING), spawnAngle).map((vec3d) -> {
-                return ServerPlayer.RespawnPosAngle.of(vec3d, pos);
+                return ServerPlayer.RespawnPosAngle.of(vec3d, pos, true, false); // CraftBukkit
             });
         } else if (!spawnForced) {
             return Optional.empty();
@@ -1142,7 +1493,7 @@
             BlockState iblockdata1 = world.getBlockState(pos.above());
             boolean flag3 = iblockdata1.getBlock().isPossibleToRespawnInThis(iblockdata1);
 
-            return flag2 && flag3 ? Optional.of(new ServerPlayer.RespawnPosAngle(new Vec3((double) pos.getX() + 0.5D, (double) pos.getY() + 0.1D, (double) pos.getZ() + 0.5D), spawnAngle)) : Optional.empty();
+            return flag2 && flag3 ? Optional.of(new ServerPlayer.RespawnPosAngle(new Vec3((double) pos.getX() + 0.5D, (double) pos.getY() + 0.1D, (double) pos.getZ() + 0.5D), spawnAngle, false, false)) : Optional.empty(); // CraftBukkit
         }
     }
 
@@ -1160,6 +1511,7 @@
     @Nullable
     @Override
     public ServerPlayer teleport(TeleportTransition teleportTarget) {
+        if (this.isSleeping()) return null; // CraftBukkit - SPIGOT-3154
         if (this.isRemoved()) {
             return null;
         } else {
@@ -1169,39 +1521,78 @@
 
             ServerLevel worldserver = teleportTarget.newLevel();
             ServerLevel worldserver1 = this.serverLevel();
-            ResourceKey<Level> resourcekey = worldserver1.dimension();
+            // CraftBukkit start
+            ResourceKey<LevelStem> resourcekey = worldserver1.getTypeKey();
 
+            Location enter = this.getBukkitEntity().getLocation();
+            PositionMoveRotation absolutePosition = PositionMoveRotation.calculateAbsolute(PositionMoveRotation.of(this), PositionMoveRotation.of(teleportTarget), teleportTarget.relatives());
+            Location exit = (worldserver == null) ? null : CraftLocation.toBukkit(absolutePosition.position(), worldserver.getWorld(), absolutePosition.yRot(), absolutePosition.xRot());
+            PlayerTeleportEvent tpEvent = new PlayerTeleportEvent(this.getBukkitEntity(), enter, exit, teleportTarget.cause());
+            // Paper start - gateway-specific teleport event
+            if (this.portalProcess != null && this.portalProcess.isSamePortal(((net.minecraft.world.level.block.EndGatewayBlock) net.minecraft.world.level.block.Blocks.END_GATEWAY)) && this.serverLevel().getBlockEntity(this.portalProcess.getEntryPosition()) instanceof net.minecraft.world.level.block.entity.TheEndGatewayBlockEntity theEndGatewayBlockEntity) {
+                tpEvent = new com.destroystokyo.paper.event.player.PlayerTeleportEndGatewayEvent(this.getBukkitEntity(), enter, exit, new org.bukkit.craftbukkit.block.CraftEndGateway(this.serverLevel().getWorld(), theEndGatewayBlockEntity));
+            }
+            // Paper end - gateway-specific teleport event
+            Bukkit.getServer().getPluginManager().callEvent(tpEvent);
+            Location newExit = tpEvent.getTo();
+            if (tpEvent.isCancelled() || newExit == null) {
+                return null;
+            }
+            if (!newExit.equals(exit)) {
+                worldserver = ((CraftWorld) newExit.getWorld()).getHandle();
+                teleportTarget = new TeleportTransition(worldserver, CraftLocation.toVec3D(newExit), Vec3.ZERO, newExit.getYaw(), newExit.getPitch(), teleportTarget.missingRespawnBlock(), teleportTarget.asPassenger(), Set.of(), teleportTarget.postTeleportTransition(), teleportTarget.cause());
+            }
+            // CraftBukkit end
+
             if (!teleportTarget.asPassenger()) {
                 this.stopRiding();
             }
 
-            if (worldserver.dimension() == resourcekey) {
-                this.connection.teleport(PositionMoveRotation.of(teleportTarget), teleportTarget.relatives());
+            // CraftBukkit start
+            if (worldserver != null && worldserver.dimension() == worldserver1.dimension()) {
+                this.connection.internalTeleport(PositionMoveRotation.of(teleportTarget), teleportTarget.relatives());
+                // CraftBukkit end
                 this.connection.resetPosition();
                 teleportTarget.postTeleportTransition().onTransition(this);
                 return this;
             } else {
+                // CraftBukkit start
+                /*
                 this.isChangingDimension = true;
-                LevelData worlddata = worldserver.getLevelData();
+                WorldData worlddata = worldserver.getLevelData();
 
-                this.connection.send(new ClientboundRespawnPacket(this.createCommonSpawnInfo(worldserver), (byte) 3));
-                this.connection.send(new ClientboundChangeDifficultyPacket(worlddata.getDifficulty(), worlddata.isDifficultyLocked()));
+                this.connection.send(new PacketPlayOutRespawn(this.createCommonSpawnInfo(worldserver), (byte) 3));
+                this.connection.send(new PacketPlayOutServerDifficulty(worlddata.getDifficulty(), worlddata.isDifficultyLocked()));
                 PlayerList playerlist = this.server.getPlayerList();
 
                 playerlist.sendPlayerPermissionLevel(this);
                 worldserver1.removePlayerImmediately(this, Entity.RemovalReason.CHANGED_DIMENSION);
                 this.unsetRemoved();
+                */
+                // CraftBukkit end
                 ProfilerFiller gameprofilerfiller = Profiler.get();
 
                 gameprofilerfiller.push("moving");
-                if (resourcekey == Level.OVERWORLD && worldserver.dimension() == Level.NETHER) {
+                if (worldserver != null && resourcekey == LevelStem.OVERWORLD && worldserver.getTypeKey() == LevelStem.NETHER) { // CraftBukkit - empty to fall through to null to event
                     this.enteredNetherPosition = this.position();
                 }
 
                 gameprofilerfiller.pop();
                 gameprofilerfiller.push("placing");
+                // CraftBukkit start
+                this.isChangingDimension = true; // CraftBukkit - Set teleport invulnerability only if player changing worlds
+                LevelData worlddata = worldserver.getLevelData();
+
+                this.connection.send(new ClientboundRespawnPacket(this.createCommonSpawnInfo(worldserver), (byte) 3));
+                this.connection.send(new ClientboundChangeDifficultyPacket(worlddata.getDifficulty(), worlddata.isDifficultyLocked()));
+                PlayerList playerlist = this.server.getPlayerList();
+
+                playerlist.sendPlayerPermissionLevel(this);
+                worldserver1.removePlayerImmediately(this, Entity.RemovalReason.CHANGED_DIMENSION);
+                this.unsetRemoved();
+                // CraftBukkit end
                 this.setServerLevel(worldserver);
-                this.connection.teleport(PositionMoveRotation.of(teleportTarget), teleportTarget.relatives());
+                this.connection.internalTeleport(PositionMoveRotation.of(teleportTarget), teleportTarget.relatives()); // CraftBukkit - use internal teleport without event
                 this.connection.resetPosition();
                 worldserver.addDuringTeleport(this);
                 gameprofilerfiller.pop();
@@ -1215,12 +1606,35 @@
                 this.lastSentExp = -1;
                 this.lastSentHealth = -1.0F;
                 this.lastSentFood = -1;
+
+                // CraftBukkit start
+                PlayerChangedWorldEvent changeEvent = new PlayerChangedWorldEvent(this.getBukkitEntity(), worldserver1.getWorld());
+                this.level().getCraftServer().getPluginManager().callEvent(changeEvent);
+                // CraftBukkit end
+                // Paper start - Reset shield blocking on dimension change
+                if (this.isBlocking()) {
+                    this.stopUsingItem();
+                }
+                // Paper end - Reset shield blocking on dimension change
                 return this;
             }
         }
     }
 
+    // CraftBukkit start
     @Override
+    public CraftPortalEvent callPortalEvent(Entity entity, Location exit, TeleportCause cause, int searchRadius, int creationRadius) {
+        Location enter = this.getBukkitEntity().getLocation();
+        PlayerPortalEvent event = new PlayerPortalEvent(this.getBukkitEntity(), enter, exit, cause, searchRadius, true, creationRadius);
+        Bukkit.getServer().getPluginManager().callEvent(event);
+        if (event.isCancelled() || event.getTo() == null || event.getTo().getWorld() == null) {
+            return null;
+        }
+        return new CraftPortalEvent(event);
+    }
+    // CraftBukkit end
+
+    @Override
     public void forceSetRotation(float yaw, float pitch) {
         this.connection.send(new ClientboundPlayerRotationPacket(yaw, pitch));
     }
@@ -1228,13 +1642,21 @@
     public void triggerDimensionChangeTriggers(ServerLevel origin) {
         ResourceKey<Level> resourcekey = origin.dimension();
         ResourceKey<Level> resourcekey1 = this.level().dimension();
+        // CraftBukkit start
+        ResourceKey<Level> maindimensionkey = CraftDimensionUtil.getMainDimensionKey(origin);
+        ResourceKey<Level> maindimensionkey1 = CraftDimensionUtil.getMainDimensionKey(this.level());
 
-        CriteriaTriggers.CHANGED_DIMENSION.trigger(this, resourcekey, resourcekey1);
-        if (resourcekey == Level.NETHER && resourcekey1 == Level.OVERWORLD && this.enteredNetherPosition != null) {
+        CriteriaTriggers.CHANGED_DIMENSION.trigger(this, maindimensionkey, maindimensionkey1);
+        if (maindimensionkey != resourcekey || maindimensionkey1 != resourcekey1) {
+            CriteriaTriggers.CHANGED_DIMENSION.trigger(this, resourcekey, resourcekey1);
+        }
+
+        if (maindimensionkey == Level.NETHER && maindimensionkey1 == Level.OVERWORLD && this.enteredNetherPosition != null) {
+            // CraftBukkit end
             CriteriaTriggers.NETHER_TRAVEL.trigger(this, this.enteredNetherPosition);
         }
 
-        if (resourcekey1 != Level.NETHER) {
+        if (maindimensionkey1 != Level.NETHER) { // CraftBukkit
             this.enteredNetherPosition = null;
         }
 
@@ -1251,36 +1673,63 @@
         this.containerMenu.broadcastChanges();
     }
 
-    @Override
-    public Either<Player.BedSleepingProblem, Unit> startSleepInBed(BlockPos pos) {
-        Direction enumdirection = (Direction) this.level().getBlockState(pos).getValue(HorizontalDirectionalBlock.FACING);
-
+    // CraftBukkit start - moved bed result checks from below into separate method
+    private Either<net.minecraft.world.entity.player.Player.BedSleepingProblem, Unit> getBedResult(BlockPos blockposition, Direction enumdirection) {
         if (!this.isSleeping() && this.isAlive()) {
-            if (!this.level().dimensionType().natural()) {
-                return Either.left(Player.BedSleepingProblem.NOT_POSSIBLE_HERE);
-            } else if (!this.bedInRange(pos, enumdirection)) {
-                return Either.left(Player.BedSleepingProblem.TOO_FAR_AWAY);
-            } else if (this.bedBlocked(pos, enumdirection)) {
-                return Either.left(Player.BedSleepingProblem.OBSTRUCTED);
+            if (!this.level().dimensionType().natural() || !this.level().dimensionType().bedWorks()) {
+                return Either.left(net.minecraft.world.entity.player.Player.BedSleepingProblem.NOT_POSSIBLE_HERE);
+            } else if (!this.bedInRange(blockposition, enumdirection)) {
+                return Either.left(net.minecraft.world.entity.player.Player.BedSleepingProblem.TOO_FAR_AWAY);
+            } else if (this.bedBlocked(blockposition, enumdirection)) {
+                return Either.left(net.minecraft.world.entity.player.Player.BedSleepingProblem.OBSTRUCTED);
             } else {
-                this.setRespawnPosition(this.level().dimension(), pos, this.getYRot(), false, true);
+                this.setRespawnPosition(this.level().dimension(), blockposition, this.getYRot(), false, true, com.destroystokyo.paper.event.player.PlayerSetSpawnEvent.Cause.BED); // Paper - Add PlayerSetSpawnEvent
                 if (this.level().isDay()) {
-                    return Either.left(Player.BedSleepingProblem.NOT_POSSIBLE_NOW);
+                    return Either.left(net.minecraft.world.entity.player.Player.BedSleepingProblem.NOT_POSSIBLE_NOW);
                 } else {
                     if (!this.isCreative()) {
                         double d0 = 8.0D;
                         double d1 = 5.0D;
-                        Vec3 vec3d = Vec3.atBottomCenterOf(pos);
+                        Vec3 vec3d = Vec3.atBottomCenterOf(blockposition);
                         List<Monster> list = this.level().getEntitiesOfClass(Monster.class, new AABB(vec3d.x() - 8.0D, vec3d.y() - 5.0D, vec3d.z() - 8.0D, vec3d.x() + 8.0D, vec3d.y() + 5.0D, vec3d.z() + 8.0D), (entitymonster) -> {
                             return entitymonster.isPreventingPlayerRest(this.serverLevel(), this);
                         });
 
                         if (!list.isEmpty()) {
-                            return Either.left(Player.BedSleepingProblem.NOT_SAFE);
+                            return Either.left(net.minecraft.world.entity.player.Player.BedSleepingProblem.NOT_SAFE);
                         }
                     }
 
-                    Either<Player.BedSleepingProblem, Unit> either = super.startSleepInBed(pos).ifRight((unit) -> {
+                    return Either.right(Unit.INSTANCE);
+                }
+            }
+        } else {
+            return Either.left(net.minecraft.world.entity.player.Player.BedSleepingProblem.OTHER_PROBLEM);
+        }
+    }
+
+    @Override
+    public Either<net.minecraft.world.entity.player.Player.BedSleepingProblem, Unit> startSleepInBed(BlockPos blockposition, boolean force) {
+        Direction enumdirection = (Direction) this.level().getBlockState(blockposition).getValue(HorizontalDirectionalBlock.FACING);
+        Either<net.minecraft.world.entity.player.Player.BedSleepingProblem, Unit> bedResult = this.getBedResult(blockposition, enumdirection);
+
+        if (bedResult.left().orElse(null) == net.minecraft.world.entity.player.Player.BedSleepingProblem.OTHER_PROBLEM) {
+            return bedResult; // return immediately if the result is not bypassable by plugins
+        }
+
+        if (force) {
+            bedResult = Either.right(Unit.INSTANCE);
+        }
+
+        bedResult = org.bukkit.craftbukkit.event.CraftEventFactory.callPlayerBedEnterEvent(this, blockposition, bedResult);
+        if (bedResult.left().isPresent()) {
+            return bedResult;
+        }
+
+        {
+            {
+                {
+                    Either<net.minecraft.world.entity.player.Player.BedSleepingProblem, Unit> either = super.startSleepInBed(blockposition, force).ifRight((unit) -> {
                         this.awardStat(Stats.SLEEP_IN_BED);
                         CriteriaTriggers.SLEPT_IN_BED.trigger(this);
                     });
@@ -1293,9 +1742,8 @@
                     return either;
                 }
             }
-        } else {
-            return Either.left(Player.BedSleepingProblem.OTHER_PROBLEM);
         }
+        // CraftBukkit end
     }
 
     @Override
@@ -1322,13 +1770,31 @@
 
     @Override
     public void stopSleepInBed(boolean skipSleepTimer, boolean updateSleepingPlayers) {
+        if (!this.isSleeping()) return; // CraftBukkit - Can't leave bed if not in one!
+        // CraftBukkit start - fire PlayerBedLeaveEvent
+        CraftPlayer player = this.getBukkitEntity();
+        BlockPos bedPosition = this.getSleepingPos().orElse(null);
+
+        org.bukkit.block.Block bed;
+        if (bedPosition != null) {
+            bed = this.level().getWorld().getBlockAt(bedPosition.getX(), bedPosition.getY(), bedPosition.getZ());
+        } else {
+            bed = this.level().getWorld().getBlockAt(player.getLocation());
+        }
+
+        PlayerBedLeaveEvent event = new PlayerBedLeaveEvent(player, bed, true);
+        this.level().getCraftServer().getPluginManager().callEvent(event);
+        if (event.isCancelled()) {
+            return;
+        }
+        // CraftBukkit end
         if (this.isSleeping()) {
             this.serverLevel().getChunkSource().broadcastAndSend(this, new ClientboundAnimatePacket(this, 2));
         }
 
         super.stopSleepInBed(skipSleepTimer, updateSleepingPlayers);
         if (this.connection != null) {
-            this.connection.teleport(this.getX(), this.getY(), this.getZ(), this.getYRot(), this.getXRot());
+            this.connection.teleport(this.getX(), this.getY(), this.getZ(), this.getYRot(), this.getXRot(), TeleportCause.EXIT_BED); // CraftBukkit
         }
 
     }
@@ -1341,7 +1807,7 @@
 
     @Override
     public boolean isInvulnerableTo(ServerLevel world, DamageSource source) {
-        return super.isInvulnerableTo(world, source) || this.isChangingDimension() && !source.is(DamageTypes.ENDER_PEARL) || !this.hasClientLoaded();
+        return (super.isInvulnerableTo(world, source) || this.isChangingDimension() && !source.is(DamageTypes.ENDER_PEARL) || !this.hasClientLoaded()) || (!this.level().paperConfig().collisions.allowPlayerCrammingDamage && source.is(DamageTypes.CRAMMING)); // Paper - disable player cramming
     }
 
     @Override
@@ -1387,8 +1853,9 @@
         this.connection.send(new ClientboundOpenSignEditorPacket(sign.getBlockPos(), front));
     }
 
-    public void nextContainerCounter() {
+    public int nextContainerCounter() { // CraftBukkit - void -> int
         this.containerCounter = this.containerCounter % 100 + 1;
+        return this.containerCounter; // CraftBukkit
     }
 
     @Override
@@ -1396,13 +1863,35 @@
         if (factory == null) {
             return OptionalInt.empty();
         } else {
+            // CraftBukkit start - SPIGOT-6552: Handle inventory closing in CraftEventFactory#callInventoryOpenEvent(...)
+            /*
             if (this.containerMenu != this.inventoryMenu) {
                 this.closeContainer();
             }
+            */
+            // CraftBukkit end
 
             this.nextContainerCounter();
             AbstractContainerMenu container = factory.createMenu(this.containerCounter, this.getInventory(), this);
 
+            // CraftBukkit start - Inventory open hook
+            if (container != null) {
+                container.setTitle(factory.getDisplayName());
+
+                boolean cancelled = false;
+                container = CraftEventFactory.callInventoryOpenEvent(this, container, cancelled);
+                if (container == null && !cancelled) { // Let pre-cancelled events fall through
+                    // SPIGOT-5263 - close chest if cancelled
+                    if (factory instanceof Container) {
+                        ((Container) factory).stopOpen(this);
+                    } else if (factory instanceof ChestBlock.DoubleInventory) {
+                        // SPIGOT-5355 - double chests too :(
+                        ((ChestBlock.DoubleInventory) factory).inventorylargechest.stopOpen(this);
+                    }
+                    return OptionalInt.empty();
+                }
+            }
+            // CraftBukkit end
             if (container == null) {
                 if (this.isSpectator()) {
                     this.displayClientMessage(Component.translatable("container.spectatorCantOpen").withStyle(ChatFormatting.RED), true);
@@ -1410,9 +1899,11 @@
 
                 return OptionalInt.empty();
             } else {
-                this.connection.send(new ClientboundOpenScreenPacket(container.containerId, container.getType(), factory.getDisplayName()));
-                this.initMenu(container);
+                // CraftBukkit start
                 this.containerMenu = container;
+                if (!this.isImmobile()) this.connection.send(new ClientboundOpenScreenPacket(container.containerId, container.getType(), container.getTitle())); // Paper - Prevent opening inventories when frozen
+                // CraftBukkit end
+                this.initMenu(container);
                 return OptionalInt.of(this.containerCounter);
             }
         }
@@ -1425,15 +1916,26 @@
 
     @Override
     public void openHorseInventory(AbstractHorse horse, Container inventory) {
+        // CraftBukkit start - Inventory open hook
+        this.nextContainerCounter();
+        AbstractContainerMenu container = new HorseInventoryMenu(this.containerCounter, this.getInventory(), inventory, horse, horse.getInventoryColumns());
+        container.setTitle(horse.getDisplayName());
+        container = CraftEventFactory.callInventoryOpenEvent(this, container);
+
+        if (container == null) {
+            inventory.stopOpen(this);
+            return;
+        }
+        // CraftBukkit end
         if (this.containerMenu != this.inventoryMenu) {
-            this.closeContainer();
+            this.closeContainer(org.bukkit.event.inventory.InventoryCloseEvent.Reason.OPEN_NEW); // Paper - Inventory close reason
         }
 
-        this.nextContainerCounter();
+        // this.nextContainerCounter(); // CraftBukkit - moved up
         int i = horse.getInventoryColumns();
 
         this.connection.send(new ClientboundHorseScreenOpenPacket(this.containerCounter, i, horse.getId()));
-        this.containerMenu = new HorseInventoryMenu(this.containerCounter, this.getInventory(), inventory, horse, i);
+        this.containerMenu = container; // CraftBukkit
         this.initMenu(this.containerMenu);
     }
 
@@ -1456,9 +1958,28 @@
 
     @Override
     public void closeContainer() {
+        // Paper start - Inventory close reason
+        this.closeContainer(org.bukkit.event.inventory.InventoryCloseEvent.Reason.UNKNOWN);
+    }
+    @Override
+    public void closeContainer(org.bukkit.event.inventory.InventoryCloseEvent.Reason reason) {
+        CraftEventFactory.handleInventoryCloseEvent(this, reason); // CraftBukkit
+        // Paper end - Inventory close reason
         this.connection.send(new ClientboundContainerClosePacket(this.containerMenu.containerId));
         this.doCloseContainer();
     }
+    // Paper start - special close for unloaded inventory
+    @Override
+    public void closeUnloadedInventory(org.bukkit.event.inventory.InventoryCloseEvent.Reason reason) {
+        // copied from above
+        CraftEventFactory.handleInventoryCloseEvent(this, reason); // CraftBukkit
+        // Paper end
+        // copied from below
+        this.connection.send(new ClientboundContainerClosePacket(this.containerMenu.containerId));
+        this.containerMenu = this.inventoryMenu;
+        // do not run close logic
+    }
+    // Paper end - special close for unloaded inventory
 
     @Override
     public void doCloseContainer() {
@@ -1485,19 +2006,19 @@
                 i = Math.round((float) Math.sqrt(deltaX * deltaX + deltaY * deltaY + deltaZ * deltaZ) * 100.0F);
                 if (i > 0) {
                     this.awardStat(Stats.SWIM_ONE_CM, i);
-                    this.causeFoodExhaustion(0.01F * (float) i * 0.01F);
+                    this.causeFoodExhaustion(this.level().spigotConfig.swimMultiplier * (float) i * 0.01F, EntityExhaustionEvent.ExhaustionReason.SWIM); // CraftBukkit - EntityExhaustionEvent // Spigot
                 }
             } else if (this.isEyeInFluid(FluidTags.WATER)) {
                 i = Math.round((float) Math.sqrt(deltaX * deltaX + deltaY * deltaY + deltaZ * deltaZ) * 100.0F);
                 if (i > 0) {
                     this.awardStat(Stats.WALK_UNDER_WATER_ONE_CM, i);
-                    this.causeFoodExhaustion(0.01F * (float) i * 0.01F);
+                    this.causeFoodExhaustion(this.level().spigotConfig.swimMultiplier * (float) i * 0.01F, EntityExhaustionEvent.ExhaustionReason.WALK_UNDERWATER); // CraftBukkit - EntityExhaustionEvent // Spigot
                 }
             } else if (this.isInWater()) {
                 i = Math.round((float) Math.sqrt(deltaX * deltaX + deltaZ * deltaZ) * 100.0F);
                 if (i > 0) {
                     this.awardStat(Stats.WALK_ON_WATER_ONE_CM, i);
-                    this.causeFoodExhaustion(0.01F * (float) i * 0.01F);
+                    this.causeFoodExhaustion(this.level().spigotConfig.swimMultiplier * (float) i * 0.01F, EntityExhaustionEvent.ExhaustionReason.WALK_ON_WATER); // CraftBukkit - EntityExhaustionEvent // Spigot
                 }
             } else if (this.onClimbable()) {
                 if (deltaY > 0.0D) {
@@ -1508,13 +2029,13 @@
                 if (i > 0) {
                     if (this.isSprinting()) {
                         this.awardStat(Stats.SPRINT_ONE_CM, i);
-                        this.causeFoodExhaustion(0.1F * (float) i * 0.01F);
+                        this.causeFoodExhaustion(this.level().spigotConfig.sprintMultiplier * (float) i * 0.01F, EntityExhaustionEvent.ExhaustionReason.SPRINT); // CraftBukkit - EntityExhaustionEvent // Spigot
                     } else if (this.isCrouching()) {
                         this.awardStat(Stats.CROUCH_ONE_CM, i);
-                        this.causeFoodExhaustion(0.0F * (float) i * 0.01F);
+                        this.causeFoodExhaustion(this.level().spigotConfig.otherMultiplier * (float) i * 0.01F, EntityExhaustionEvent.ExhaustionReason.CROUCH); // CraftBukkit - EntityExhaustionEvent // Spigot
                     } else {
                         this.awardStat(Stats.WALK_ONE_CM, i);
-                        this.causeFoodExhaustion(0.0F * (float) i * 0.01F);
+                        this.causeFoodExhaustion(this.level().spigotConfig.otherMultiplier * (float) i * 0.01F, EntityExhaustionEvent.ExhaustionReason.WALK); // CraftBukkit - EntityExhaustionEvent // Spigot
                     }
                 }
             } else if (this.isFallFlying()) {
@@ -1557,7 +2078,7 @@
     @Override
     public void awardStat(Stat<?> stat, int amount) {
         this.stats.increment(this, stat, amount);
-        this.getScoreboard().forAllObjectives(stat, this, (scoreaccess) -> {
+        this.level().getCraftServer().getScoreboardManager().forAllObjectives(stat, this, (scoreaccess) -> {
             scoreaccess.add(amount);
         });
     }
@@ -1565,7 +2086,7 @@
     @Override
     public void resetStat(Stat<?> stat) {
         this.stats.setValue(this, stat, 0);
-        this.getScoreboard().forAllObjectives(stat, this, ScoreAccess::reset);
+        this.level().getCraftServer().getScoreboardManager().forAllObjectives(stat, this, ScoreAccess::reset); // CraftBukkit - Get our scores instead
     }
 
     @Override
@@ -1597,9 +2118,9 @@
         super.jumpFromGround();
         this.awardStat(Stats.JUMP);
         if (this.isSprinting()) {
-            this.causeFoodExhaustion(0.2F);
+            this.causeFoodExhaustion(this.level().spigotConfig.jumpSprintExhaustion, EntityExhaustionEvent.ExhaustionReason.JUMP_SPRINT); // CraftBukkit - EntityExhaustionEvent // Spigot - Change to use configurable value
         } else {
-            this.causeFoodExhaustion(0.05F);
+            this.causeFoodExhaustion(this.level().spigotConfig.jumpWalkExhaustion, EntityExhaustionEvent.ExhaustionReason.JUMP); // CraftBukkit - EntityExhaustionEvent // Spigot - Change to use configurable value
         }
 
     }
@@ -1613,6 +2134,13 @@
     public void disconnect() {
         this.disconnected = true;
         this.ejectPassengers();
+
+        // Paper start - Workaround vehicle not tracking the passenger disconnection dismount
+        if (this.isPassenger() && this.getVehicle() instanceof ServerPlayer) {
+            this.stopRiding();
+        }
+        // Paper end - Workaround vehicle not tracking the passenger disconnection dismount
+
         if (this.isSleeping()) {
             this.stopSleepInBed(true, false);
         }
@@ -1625,6 +2153,7 @@
 
     public void resetSentInfo() {
         this.lastSentHealth = -1.0E8F;
+        this.lastSentExp = -1; // CraftBukkit - Added to reset
     }
 
     @Override
@@ -1661,7 +2190,7 @@
         this.onUpdateAbilities();
         if (alive) {
             this.getAttributes().assignBaseValues(oldPlayer.getAttributes());
-            this.getAttributes().assignPermanentModifiers(oldPlayer.getAttributes());
+            // this.getAttributes().assignPermanentModifiers(entityplayer.getAttributes()); // CraftBukkit
             this.setHealth(oldPlayer.getHealth());
             this.foodData = oldPlayer.foodData;
             Iterator iterator = oldPlayer.getActiveEffects().iterator();
@@ -1669,7 +2198,7 @@
             while (iterator.hasNext()) {
                 MobEffectInstance mobeffect = (MobEffectInstance) iterator.next();
 
-                this.addEffect(new MobEffectInstance(mobeffect));
+                // this.addEffect(new MobEffect(mobeffect)); // CraftBukkit
             }
 
             this.getInventory().replaceWith(oldPlayer.getInventory());
@@ -1680,7 +2209,7 @@
             this.portalProcess = oldPlayer.portalProcess;
         } else {
             this.getAttributes().assignBaseValues(oldPlayer.getAttributes());
-            this.setHealth(this.getMaxHealth());
+            // this.setHealth(this.getMaxHealth()); // CraftBukkit
             if (this.serverLevel().getGameRules().getBoolean(GameRules.RULE_KEEPINVENTORY) || oldPlayer.isSpectator()) {
                 this.getInventory().replaceWith(oldPlayer.getInventory());
                 this.experienceLevel = oldPlayer.experienceLevel;
@@ -1696,7 +2225,7 @@
         this.lastSentExp = -1;
         this.lastSentHealth = -1.0F;
         this.lastSentFood = -1;
-        this.recipeBook.copyOverData(oldPlayer.recipeBook);
+        // this.recipeBook.copyOverData(entityplayer.recipeBook); // CraftBukkit
         this.seenCredits = oldPlayer.seenCredits;
         this.enteredNetherPosition = oldPlayer.enteredNetherPosition;
         this.chunkTrackingView = oldPlayer.chunkTrackingView;
@@ -1752,19 +2281,19 @@
     }
 
     @Override
-    public boolean teleportTo(ServerLevel world, double destX, double destY, double destZ, Set<Relative> flags, float yaw, float pitch, boolean resetCamera) {
+    public boolean teleportTo(ServerLevel worldserver, double d0, double d1, double d2, Set<Relative> set, float f, float f1, boolean flag, TeleportCause cause) { // CraftBukkit
         if (this.isSleeping()) {
             this.stopSleepInBed(true, true);
         }
 
-        if (resetCamera) {
+        if (flag) {
             this.setCamera(this);
         }
 
-        boolean flag1 = super.teleportTo(world, destX, destY, destZ, flags, yaw, pitch, resetCamera);
+        boolean flag1 = super.teleportTo(worldserver, d0, d1, d2, set, f, f1, flag, cause); // CraftBukkit
 
         if (flag1) {
-            this.setYHeadRot(flags.contains(Relative.Y_ROT) ? this.getYHeadRot() + yaw : yaw);
+            this.setYHeadRot(set.contains(Relative.Y_ROT) ? this.getYHeadRot() + f : f);
         }
 
         return flag1;
@@ -1799,10 +2328,18 @@
     }
 
     public boolean setGameMode(GameType gameMode) {
+        // Paper start - Expand PlayerGameModeChangeEvent
+        org.bukkit.event.player.PlayerGameModeChangeEvent event = this.setGameMode(gameMode, org.bukkit.event.player.PlayerGameModeChangeEvent.Cause.UNKNOWN, null);
+        return event == null ? false : event.isCancelled();
+    }
+    @Nullable
+    public org.bukkit.event.player.PlayerGameModeChangeEvent setGameMode(GameType gameMode, org.bukkit.event.player.PlayerGameModeChangeEvent.Cause cause, @Nullable net.kyori.adventure.text.Component message) {
         boolean flag = this.isSpectator();
 
-        if (!this.gameMode.changeGameModeForPlayer(gameMode)) {
-            return false;
+        org.bukkit.event.player.PlayerGameModeChangeEvent event = this.gameMode.changeGameModeForPlayer(gameMode, cause, message);
+        if (event == null || event.isCancelled()) {
+            return null;
+            // Paper end - Expand PlayerGameModeChangeEvent
         } else {
             this.connection.send(new ClientboundGameEventPacket(ClientboundGameEventPacket.CHANGE_GAME_MODE, (float) gameMode.getId()));
             if (gameMode == GameType.SPECTATOR) {
@@ -1818,7 +2355,7 @@
 
             this.onUpdateAbilities();
             this.updateEffectVisibility();
-            return true;
+            return event; // Paper - Expand PlayerGameModeChangeEvent
         }
     }
 
@@ -1861,8 +2398,13 @@
     }
 
     public void sendChatMessage(OutgoingChatMessage message, boolean filterMaskEnabled, ChatType.Bound params) {
+        // Paper start
+        this.sendChatMessage(message, filterMaskEnabled, params, null);
+    }
+    public void sendChatMessage(OutgoingChatMessage message, boolean filterMaskEnabled, ChatType.Bound params, @Nullable Component unsigned) {
+        // Paper end
         if (this.acceptsChatMessages()) {
-            message.sendToPlayer(this, filterMaskEnabled, params);
+            message.sendToPlayer(this, filterMaskEnabled, params, unsigned); // Paper
         }
 
     }
@@ -1878,7 +2420,36 @@
     }
 
     public void updateOptions(ClientInformation clientOptions) {
+        // Paper start - settings event
+        new com.destroystokyo.paper.event.player.PlayerClientOptionsChangeEvent(this.getBukkitEntity(), Util.make(new java.util.IdentityHashMap<>(), map -> {
+            map.put(com.destroystokyo.paper.ClientOption.LOCALE, clientOptions.language());
+            map.put(com.destroystokyo.paper.ClientOption.VIEW_DISTANCE, clientOptions.viewDistance());
+            map.put(com.destroystokyo.paper.ClientOption.CHAT_VISIBILITY, com.destroystokyo.paper.ClientOption.ChatVisibility.valueOf(clientOptions.chatVisibility().name()));
+            map.put(com.destroystokyo.paper.ClientOption.CHAT_COLORS_ENABLED, clientOptions.chatColors());
+            map.put(com.destroystokyo.paper.ClientOption.SKIN_PARTS, new com.destroystokyo.paper.PaperSkinParts(clientOptions.modelCustomisation()));
+            map.put(com.destroystokyo.paper.ClientOption.MAIN_HAND, clientOptions.mainHand() == HumanoidArm.LEFT ? MainHand.LEFT : MainHand.RIGHT);
+            map.put(com.destroystokyo.paper.ClientOption.TEXT_FILTERING_ENABLED, clientOptions.textFilteringEnabled());
+            map.put(com.destroystokyo.paper.ClientOption.ALLOW_SERVER_LISTINGS, clientOptions.allowsListing());
+            map.put(com.destroystokyo.paper.ClientOption.PARTICLE_VISIBILITY, com.destroystokyo.paper.ClientOption.ParticleVisibility.valueOf(clientOptions.particleStatus().name()));
+        })).callEvent();
+        // Paper end - settings event
+        // CraftBukkit start
+        if (this.getMainArm() != clientOptions.mainHand()) {
+            PlayerChangedMainHandEvent event = new PlayerChangedMainHandEvent(this.getBukkitEntity(), this.getMainArm() == HumanoidArm.LEFT ? MainHand.LEFT : MainHand.RIGHT);
+            this.server.server.getPluginManager().callEvent(event);
+        }
+        if (this.language == null || !this.language.equals(clientOptions.language())) { // Paper
+            PlayerLocaleChangeEvent event = new PlayerLocaleChangeEvent(this.getBukkitEntity(), clientOptions.language());
+            this.server.server.getPluginManager().callEvent(event);
+        }
+        // CraftBukkit end
+        // Paper start - don't call options events on login
+        this.updateOptionsNoEvents(clientOptions);
+    }
+    public void updateOptionsNoEvents(ClientInformation clientOptions) {
+        // Paper end
         this.language = clientOptions.language();
+        this.adventure$locale = java.util.Objects.requireNonNullElse(net.kyori.adventure.translation.Translator.parseLocale(this.language), java.util.Locale.US); // Paper
         this.requestedViewDistance = clientOptions.viewDistance();
         this.chatVisibility = clientOptions.chatVisibility();
         this.canChatColor = clientOptions.chatColors();
@@ -1957,12 +2528,27 @@
 
         this.camera = (Entity) (entity == null ? this : entity);
         if (entity1 != this.camera) {
+            // Paper start - Add PlayerStartSpectatingEntityEvent and PlayerStopSpectatingEntity
+            if (this.camera == this) {
+                com.destroystokyo.paper.event.player.PlayerStopSpectatingEntityEvent playerStopSpectatingEntityEvent = new com.destroystokyo.paper.event.player.PlayerStopSpectatingEntityEvent(this.getBukkitEntity(), entity1.getBukkitEntity());
+                if (!playerStopSpectatingEntityEvent.callEvent()) {
+                    this.camera = entity1; // rollback camera entity again
+                    return;
+                }
+            } else {
+                com.destroystokyo.paper.event.player.PlayerStartSpectatingEntityEvent playerStartSpectatingEntityEvent = new com.destroystokyo.paper.event.player.PlayerStartSpectatingEntityEvent(this.getBukkitEntity(), entity1.getBukkitEntity(), entity.getBukkitEntity());
+                if (!playerStartSpectatingEntityEvent.callEvent()) {
+                    this.camera = entity1; // rollback camera entity again
+                    return;
+                }
+            }
+            // Paper end - Add PlayerStartSpectatingEntityEvent and PlayerStopSpectatingEntity
             Level world = this.camera.level();
 
             if (world instanceof ServerLevel) {
                 ServerLevel worldserver = (ServerLevel) world;
 
-                this.teleportTo(worldserver, this.camera.getX(), this.camera.getY(), this.camera.getZ(), Set.of(), this.getYRot(), this.getXRot(), false);
+                this.teleportTo(worldserver, this.camera.getX(), this.camera.getY(), this.camera.getZ(), Set.of(), this.getYRot(), this.getXRot(), false, TeleportCause.SPECTATE); // CraftBukkit
             }
 
             if (entity != null) {
@@ -1999,11 +2585,11 @@
 
     @Nullable
     public Component getTabListDisplayName() {
-        return null;
+        return this.listName; // CraftBukkit
     }
 
     public int getTabListOrder() {
-        return 0;
+        return this.listOrder; // CraftBukkit
     }
 
     @Override
@@ -2045,12 +2631,44 @@
         this.setRespawnPosition(player.getRespawnDimension(), player.getRespawnPosition(), player.getRespawnAngle(), player.isRespawnForced(), false);
     }
 
+    @Deprecated // Paper - Add PlayerSetSpawnEvent
     public void setRespawnPosition(ResourceKey<Level> dimension, @Nullable BlockPos pos, float angle, boolean forced, boolean sendMessage) {
+        // Paper start - Add PlayerSetSpawnEvent
+        this.setRespawnPosition(dimension, pos, angle, forced, sendMessage, com.destroystokyo.paper.event.player.PlayerSetSpawnEvent.Cause.UNKNOWN);
+    }
+    @Deprecated
+    public boolean setRespawnPosition(ResourceKey<Level> dimension, @Nullable BlockPos pos, float angle, boolean forced, boolean sendMessage, PlayerSpawnChangeEvent.Cause cause) {
+        return this.setRespawnPosition(dimension, pos, angle, forced, sendMessage, cause == PlayerSpawnChangeEvent.Cause.RESET ?
+            com.destroystokyo.paper.event.player.PlayerSetSpawnEvent.Cause.PLAYER_RESPAWN : com.destroystokyo.paper.event.player.PlayerSetSpawnEvent.Cause.valueOf(cause.name()));
+    }
+    public boolean setRespawnPosition(ResourceKey<Level> dimension, @Nullable BlockPos pos, float angle, boolean forced, boolean sendMessage, com.destroystokyo.paper.event.player.PlayerSetSpawnEvent.Cause cause) {
+        Location spawnLoc = null;
+        boolean willNotify = false;
         if (pos != null) {
             boolean flag2 = pos.equals(this.respawnPosition) && dimension.equals(this.respawnDimension);
+            spawnLoc = io.papermc.paper.util.MCUtil.toLocation(this.getServer().getLevel(dimension), pos);
+            spawnLoc.setYaw(angle);
+            willNotify = sendMessage && !flag2;
+        }
 
-            if (sendMessage && !flag2) {
-                this.sendSystemMessage(Component.translatable("block.minecraft.set_spawn"));
+        PlayerSpawnChangeEvent dumbEvent = new PlayerSpawnChangeEvent(this.getBukkitEntity(), spawnLoc, forced,
+            cause == com.destroystokyo.paper.event.player.PlayerSetSpawnEvent.Cause.PLAYER_RESPAWN ? PlayerSpawnChangeEvent.Cause.RESET : PlayerSpawnChangeEvent.Cause.valueOf(cause.name()));
+        dumbEvent.callEvent();
+
+        com.destroystokyo.paper.event.player.PlayerSetSpawnEvent event = new com.destroystokyo.paper.event.player.PlayerSetSpawnEvent(this.getBukkitEntity(), cause, dumbEvent.getNewSpawn(), dumbEvent.isForced(), willNotify, willNotify ? net.kyori.adventure.text.Component.translatable("block.minecraft.set_spawn") : null);
+        event.setCancelled(dumbEvent.isCancelled());
+        if (!event.callEvent()) {
+            return false;
+        }
+        if (event.getLocation() != null) {
+            dimension = event.getLocation().getWorld() != null ? ((CraftWorld) event.getLocation().getWorld()).getHandle().dimension() : dimension;
+            pos = io.papermc.paper.util.MCUtil.toBlockPosition(event.getLocation());
+            angle = event.getLocation().getYaw();
+            forced = event.isForced();
+            // Paper end - Add PlayerSetSpawnEvent
+
+            if (event.willNotifyPlayer() && event.getNotification() != null) { // Paper - Add PlayerSetSpawnEvent
+                this.sendSystemMessage(PaperAdventure.asVanilla(event.getNotification())); // Paper - Add PlayerSetSpawnEvent
             }
 
             this.respawnPosition = pos;
@@ -2064,6 +2682,7 @@
             this.respawnForced = false;
         }
 
+        return true; // Paper - Add PlayerSetSpawnEvent
     }
 
     public SectionPos getLastSectionPos() {
@@ -2088,18 +2707,44 @@
     }
 
     @Override
-    public ItemEntity drop(ItemStack stack, boolean throwRandomly, boolean retainOwnership) {
-        ItemEntity entityitem = this.createItemStackToDrop(stack, throwRandomly, retainOwnership);
+    public ItemEntity drop(ItemStack itemstack, boolean flag, boolean flag1, boolean callEvent) { // CraftBukkit - SPIGOT-2942: Add boolean to call event
+        ItemEntity entityitem = this.createItemStackToDrop(itemstack, flag, flag1);
 
         if (entityitem == null) {
             return null;
         } else {
+            // CraftBukkit start - fire PlayerDropItemEvent
+            if (callEvent) {
+                Player player = (Player) this.getBukkitEntity();
+                org.bukkit.entity.Item drop = (org.bukkit.entity.Item) entityitem.getBukkitEntity();
+
+                PlayerDropItemEvent event = new PlayerDropItemEvent(player, drop);
+                this.level().getCraftServer().getPluginManager().callEvent(event);
+
+                if (event.isCancelled()) {
+                    org.bukkit.inventory.ItemStack cur = player.getInventory().getItemInHand();
+                    if (flag1 && (cur == null || cur.getAmount() == 0)) {
+                        // The complete stack was dropped
+                        player.getInventory().setItemInHand(drop.getItemStack());
+                    } else if (flag1 && cur.isSimilar(drop.getItemStack()) && cur.getAmount() < cur.getMaxStackSize() && drop.getItemStack().getAmount() == 1) {
+                        // Only one item is dropped
+                        cur.setAmount(cur.getAmount() + 1);
+                        player.getInventory().setItemInHand(cur);
+                    } else {
+                        // Fallback
+                        player.getInventory().addItem(drop.getItemStack());
+                    }
+                    return null;
+                }
+            }
+            // CraftBukkit end
+
             this.level().addFreshEntity(entityitem);
             ItemStack itemstack1 = entityitem.getItem();
 
-            if (retainOwnership) {
+            if (flag1) {
                 if (!itemstack1.isEmpty()) {
-                    this.awardStat(Stats.ITEM_DROPPED.get(itemstack1.getItem()), stack.getCount());
+                    this.awardStat(Stats.ITEM_DROPPED.get(itemstack1.getItem()), itemstack1.getCount()); // Paper - Fix PlayerDropItemEvent using wrong item
                 }
 
                 this.awardStat(Stats.DROP);
@@ -2115,6 +2760,11 @@
             return null;
         } else {
             double d0 = this.getEyeY() - 0.30000001192092896D;
+            // Paper start
+            ItemStack tmp = stack.copy();
+            stack.setCount(0);
+            stack = tmp;
+            // Paper end
             ItemEntity entityitem = new ItemEntity(this.level(), this.getX(), d0, this.getZ(), stack);
 
             entityitem.setPickUpDelay(40);
@@ -2166,6 +2816,16 @@
     }
 
     public void loadGameTypes(@Nullable CompoundTag nbt) {
+        // Paper start - Expand PlayerGameModeChangeEvent
+        if (this.server.getForcedGameType() != null && this.server.getForcedGameType() != ServerPlayer.readPlayerMode(nbt, "playerGameType")) {
+            if (new org.bukkit.event.player.PlayerGameModeChangeEvent(this.getBukkitEntity(), org.bukkit.GameMode.getByValue(this.server.getDefaultGameType().getId()), org.bukkit.event.player.PlayerGameModeChangeEvent.Cause.DEFAULT_GAMEMODE, null).callEvent()) {
+                this.gameMode.setGameModeForPlayer(this.server.getForcedGameType(), GameType.DEFAULT_MODE);
+            } else {
+                this.gameMode.setGameModeForPlayer(ServerPlayer.readPlayerMode(nbt,"playerGameType"), ServerPlayer.readPlayerMode(nbt, "previousPlayerGameType"));
+            }
+            return;
+        }
+        // Paper end - Expand PlayerGameModeChangeEvent
         this.gameMode.setGameModeForPlayer(this.calculateGameModeForNewPlayer(ServerPlayer.readPlayerMode(nbt, "playerGameType")), ServerPlayer.readPlayerMode(nbt, "previousPlayerGameType"));
     }
 
@@ -2275,9 +2935,15 @@
 
     @Override
     public void stopRiding() {
+        // Paper start - Force entity dismount during teleportation
+        this.stopRiding(false);
+    }
+    @Override
+    public void stopRiding(boolean suppressCancellation) {
+        // Paper end - Force entity dismount during teleportation
         Entity entity = this.getVehicle();
 
-        super.stopRiding();
+        super.stopRiding(suppressCancellation); // Paper - Force entity dismount during teleportation
         if (entity instanceof LivingEntity entityliving) {
             Iterator iterator = entityliving.getActiveEffects().iterator();
 
@@ -2375,10 +3041,12 @@
         return TicketType.ENDER_PEARL.timeout();
     }
 
-    public static record RespawnPosAngle(Vec3 position, float yaw) {
+    // CraftBukkit start
+    public static record RespawnPosAngle(Vec3 position, float yaw, boolean isBedSpawn, boolean isAnchorSpawn) {
 
-        public static ServerPlayer.RespawnPosAngle of(Vec3 respawnPos, BlockPos currentPos) {
-            return new ServerPlayer.RespawnPosAngle(respawnPos, calculateLookAtYaw(respawnPos, currentPos));
+        public static ServerPlayer.RespawnPosAngle of(Vec3 vec3d, BlockPos blockposition, boolean isBedSpawn, boolean isAnchorSpawn) {
+            return new ServerPlayer.RespawnPosAngle(vec3d, calculateLookAtYaw(vec3d, blockposition), isBedSpawn, isAnchorSpawn);
+            // CraftBukkit end
         }
 
         private static float calculateLookAtYaw(Vec3 respawnPos, BlockPos currentPos) {
@@ -2387,4 +3055,147 @@
             return (float) Mth.wrapDegrees(Mth.atan2(vec3d1.z, vec3d1.x) * 57.2957763671875D - 90.0D);
         }
     }
+
+    // CraftBukkit start - Add per-player time and weather.
+    public long timeOffset = 0;
+    public boolean relativeTime = true;
+
+    public long getPlayerTime() {
+        if (this.relativeTime) {
+            // Adds timeOffset to the current server time.
+            return this.level().getDayTime() + this.timeOffset;
+        } else {
+            // Adds timeOffset to the beginning of this day.
+            return this.level().getDayTime() - (this.level().getDayTime() % 24000) + this.timeOffset;
+        }
+    }
+
+    public WeatherType weather = null;
+
+    public WeatherType getPlayerWeather() {
+        return this.weather;
+    }
+
+    public void setPlayerWeather(WeatherType type, boolean plugin) {
+        if (!plugin && this.weather != null) {
+            return;
+        }
+
+        if (plugin) {
+            this.weather = type;
+        }
+
+        if (type == WeatherType.DOWNFALL) {
+            this.connection.send(new ClientboundGameEventPacket(ClientboundGameEventPacket.STOP_RAINING, 0));
+        } else {
+            this.connection.send(new ClientboundGameEventPacket(ClientboundGameEventPacket.START_RAINING, 0));
+        }
+    }
+
+    private float pluginRainPosition;
+    private float pluginRainPositionPrevious;
+
+    public void updateWeather(float oldRain, float newRain, float oldThunder, float newThunder) {
+        if (this.weather == null) {
+            // Vanilla
+            if (oldRain != newRain) {
+                this.connection.send(new ClientboundGameEventPacket(ClientboundGameEventPacket.RAIN_LEVEL_CHANGE, newRain));
+            }
+        } else {
+            // Plugin
+            if (this.pluginRainPositionPrevious != this.pluginRainPosition) {
+                this.connection.send(new ClientboundGameEventPacket(ClientboundGameEventPacket.RAIN_LEVEL_CHANGE, this.pluginRainPosition));
+            }
+        }
+
+        if (oldThunder != newThunder) {
+            if (this.weather == WeatherType.DOWNFALL || this.weather == null) {
+                this.connection.send(new ClientboundGameEventPacket(ClientboundGameEventPacket.THUNDER_LEVEL_CHANGE, newThunder));
+            } else {
+                this.connection.send(new ClientboundGameEventPacket(ClientboundGameEventPacket.THUNDER_LEVEL_CHANGE, 0));
+            }
+        }
+    }
+
+    public void tickWeather() {
+        if (this.weather == null) return;
+
+        this.pluginRainPositionPrevious = this.pluginRainPosition;
+        if (this.weather == WeatherType.DOWNFALL) {
+            this.pluginRainPosition += 0.01;
+        } else {
+            this.pluginRainPosition -= 0.01;
+        }
+
+        this.pluginRainPosition = Mth.clamp(this.pluginRainPosition, 0.0F, 1.0F);
+    }
+
+    public void resetPlayerWeather() {
+        this.weather = null;
+        this.setPlayerWeather(this.level().getLevelData().isRaining() ? WeatherType.DOWNFALL : WeatherType.CLEAR, false);
+    }
+
+    @Override
+    public String toString() {
+        return super.toString() + "(" + this.getScoreboardName() + " at " + this.getX() + "," + this.getY() + "," + this.getZ() + ")";
+    }
+
+    // SPIGOT-1903, MC-98153
+    public void forceSetPositionRotation(double x, double y, double z, float yaw, float pitch) {
+        this.moveTo(x, y, z, yaw, pitch);
+        this.connection.resetPosition();
+    }
+
+    @Override
+    public boolean isImmobile() {
+        return super.isImmobile() || (this.connection != null && this.connection.isDisconnected()); // Paper - Fix duplication bugs
+    }
+
+    @Override
+    public Scoreboard getScoreboard() {
+        return this.getBukkitEntity().getScoreboard().getHandle();
+    }
+
+    public void reset() {
+        float exp = 0;
+
+        if (this.keepLevel) { // CraftBukkit - SPIGOT-6687: Only use keepLevel (was pre-set with RULE_KEEPINVENTORY value in PlayerDeathEvent)
+            exp = this.experienceProgress;
+            this.newTotalExp = this.totalExperience;
+            this.newLevel = this.experienceLevel;
+        }
+
+        this.setHealth(this.getMaxHealth());
+        this.stopUsingItem(); // CraftBukkit - SPIGOT-6682: Clear active item on reset
+        this.setAirSupply(this.getMaxAirSupply()); // Paper - Reset players airTicks on respawn
+        this.setRemainingFireTicks(0);
+        this.fallDistance = 0;
+        this.foodData = new FoodData();
+        this.experienceLevel = this.newLevel;
+        this.totalExperience = this.newTotalExp;
+        this.experienceProgress = 0;
+        this.deathTime = 0;
+        this.setArrowCount(0, true); // CraftBukkit - ArrowBodyCountChangeEvent
+        this.removeAllEffects(org.bukkit.event.entity.EntityPotionEffectEvent.Cause.DEATH);
+        this.effectsDirty = true;
+        this.containerMenu = this.inventoryMenu;
+        this.lastHurtByPlayer = null;
+        this.lastHurtByMob = null;
+        this.combatTracker = new CombatTracker(this);
+        this.lastSentExp = -1;
+        if (this.keepLevel) { // CraftBukkit - SPIGOT-6687: Only use keepLevel (was pre-set with RULE_KEEPINVENTORY value in PlayerDeathEvent)
+            this.experienceProgress = exp;
+        } else {
+            this.giveExperiencePoints(this.newExp);
+        }
+        this.keepLevel = false;
+        this.setDeltaMovement(0, 0, 0); // CraftBukkit - SPIGOT-6948: Reset velocity on death
+        this.skipDropExperience = false; // CraftBukkit - SPIGOT-7462: Reset experience drop skip, so that further deaths drop xp
+    }
+
+    @Override
+    public CraftPlayer getBukkitEntity() {
+        return (CraftPlayer) super.getBukkitEntity();
+    }
+    // CraftBukkit end
 }