PaperMC/paper-server/nms-patches/net/minecraft/server/level/EntityPlayer.patch

--- a/net/minecraft/server/level/EntityPlayer.java
+++ b/net/minecraft/server/level/EntityPlayer.java
@@ -141,6 +141,36 @@
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 
+// CraftBukkit start
+import net.minecraft.nbt.NBTBase;
+import net.minecraft.world.damagesource.CombatTracker;
+import net.minecraft.world.food.FoodMetaData;
+import net.minecraft.world.item.enchantment.EnchantmentManager;
+import net.minecraft.world.level.block.BlockChest;
+import net.minecraft.world.level.dimension.DimensionManager;
+import net.minecraft.world.scores.Scoreboard;
+import org.bukkit.Bukkit;
+import org.bukkit.GameMode;
+import org.bukkit.Location;
+import org.bukkit.WeatherType;
+import org.bukkit.craftbukkit.CraftWorld;
+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.event.inventory.InventoryType;
+import org.bukkit.event.player.PlayerBedLeaveEvent;
+import org.bukkit.event.player.PlayerChangedMainHandEvent;
+import org.bukkit.event.player.PlayerChangedWorldEvent;
+import org.bukkit.event.player.PlayerGameModeChangeEvent;
+import org.bukkit.event.player.PlayerLocaleChangeEvent;
+import org.bukkit.event.player.PlayerPortalEvent;
+import org.bukkit.event.player.PlayerTeleportEvent;
+import org.bukkit.event.player.PlayerTeleportEvent.TeleportCause;
+import org.bukkit.inventory.MainHand;
+// CraftBukkit end
+
 public class EntityPlayer extends EntityHuman {
 
     private static final Logger LOGGER = LogManager.getLogger();
@@ -188,6 +218,20 @@
     public int latency;
     public boolean wonGame;
 
+    // CraftBukkit start
+    public String displayName;
+    public IChatBaseComponent listName;
+    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 Integer clientViewDistance;
+    // CraftBukkit end
+
     public EntityPlayer(MinecraftServer minecraftserver, WorldServer worldserver, GameProfile gameprofile) {
         super(worldserver, worldserver.getSpawn(), worldserver.x(), gameprofile);
         this.chatVisibility = EnumChatVisibility.FULL;
@@ -249,12 +293,56 @@
         this.advancements = minecraftserver.getPlayerList().f(this);
         this.maxUpStep = 1.0F;
         this.d(worldserver);
+
+        // CraftBukkit start
+        this.displayName = this.getName();
+        this.bukkitPickUpLoot = true;
+        this.maxHealthCache = this.getMaxHealth();
+    }
+
+    // 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 BlockPosition getSpawnPoint(WorldServer worldserver) {
+        BlockPosition blockposition = worldserver.getSpawn();
+
+        if (worldserver.getDimensionManager().hasSkyLight() && worldserver.serverLevelData.getGameType() != EnumGamemode.ADVENTURE) {
+            int i = Math.max(0, this.server.a(worldserver));
+            int j = MathHelper.floor(worldserver.getWorldBorder().b((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.v(i1);
+            int k1 = (new Random()).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);
+                BlockPosition blockposition1 = WorldProviderNormal.a(worldserver, blockposition.getX() + j2 - i, blockposition.getZ() + k2 - i, false);
+
+                if (blockposition1 != null) {
+                    return blockposition1;
+                }
+            }
+        }
+
+        return blockposition;
     }
+    // CraftBukkit end
 
     private void d(WorldServer worldserver) {
         BlockPosition blockposition = worldserver.getSpawn();
 
-        if (worldserver.getDimensionManager().hasSkyLight() && worldserver.getMinecraftServer().getSaveData().getGameType() != EnumGamemode.ADVENTURE) {
+        if (worldserver.getDimensionManager().hasSkyLight() && worldserver.serverLevelData.getGameType() != EnumGamemode.ADVENTURE) { // CraftBukkit
             int i = Math.max(0, this.server.a(worldserver));
             int j = MathHelper.floor(worldserver.getWorldBorder().b((double) blockposition.getX(), (double) blockposition.getZ()));
 
@@ -312,11 +400,20 @@
         if (nbttagcompound.hasKeyOfType("recipeBook", 10)) {
             this.recipeBook.a(nbttagcompound.getCompound("recipeBook"), this.server.getCraftingManager());
         }
+        this.getBukkitEntity().readExtraData(nbttagcompound); // CraftBukkit
 
         if (this.isSleeping()) {
             this.entityWakeup();
         }
 
+        // CraftBukkit start
+        String spawnWorld = nbttagcompound.getString("SpawnWorld");
+        CraftWorld oldWorld = (CraftWorld) Bukkit.getWorld(spawnWorld);
+        if (oldWorld != null) {
+            this.respawnDimension = oldWorld.getHandle().getDimensionKey();
+        }
+        // CraftBukkit end
+
         if (nbttagcompound.hasKeyOfType("SpawnX", 99) && nbttagcompound.hasKeyOfType("SpawnY", 99) && nbttagcompound.hasKeyOfType("SpawnZ", 99)) {
             this.respawnPosition = new BlockPosition(nbttagcompound.getInt("SpawnX"), nbttagcompound.getInt("SpawnY"), nbttagcompound.getInt("SpawnZ"));
             this.respawnForced = nbttagcompound.getBoolean("SpawnForced");
@@ -349,7 +446,20 @@
         Entity entity = this.getRootVehicle();
         Entity entity1 = this.getVehicle();
 
-        if (entity1 != null && entity != this && entity.hasSinglePlayerPassenger()) {
+        // 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.hasSinglePlayerPassenger()) {
+            // CraftBukkit end
             NBTTagCompound nbttagcompound2 = new NBTTagCompound();
             NBTTagCompound nbttagcompound3 = new NBTTagCompound();
 
@@ -367,7 +477,7 @@
             nbttagcompound.setInt("SpawnZ", this.respawnPosition.getZ());
             nbttagcompound.setBoolean("SpawnForced", this.respawnForced);
             nbttagcompound.setFloat("SpawnAngle", this.respawnAngle);
-            DataResult dataresult = MinecraftKey.CODEC.encodeStart(DynamicOpsNBT.INSTANCE, this.respawnDimension.a());
+            DataResult<NBTBase> dataresult = MinecraftKey.CODEC.encodeStart(DynamicOpsNBT.INSTANCE, this.respawnDimension.a()); // CraftBukkit - decompile error
             Logger logger = EntityPlayer.LOGGER;
 
             Objects.requireNonNull(logger);
@@ -375,9 +485,33 @@
                 nbttagcompound.set("SpawnDimension", nbtbase);
             });
         }
+        this.getBukkitEntity().setExtraData(nbttagcompound); // CraftBukkit
 
     }
 
+    // CraftBukkit start - World fallback code, either respawn location or global spawn
+    public void spawnIn(World world) {
+        this.level = world;
+        if (world == null) {
+            this.unsetRemoved();
+            Vec3D position = null;
+            if (this.respawnDimension != null) {
+                world = this.getWorldServer().getCraftServer().getHandle().getServer().getWorldServer(this.respawnDimension);
+                if (world != null && this.getSpawn() != null) {
+                    position = EntityHuman.getBed((WorldServer) world, this.getSpawn(), this.getSpawnAngle(), false, false).orElse(null);
+                }
+            }
+            if (world == null || position == null) {
+                world = ((CraftWorld) Bukkit.getServer().getWorlds().get(0)).getHandle();
+                position = Vec3D.a(((WorldServer) world).getSpawn());
+            }
+            this.level = world;
+            this.setPosition(position.getX(), position.getY(), position.getZ());
+        }
+        this.gameMode.a((WorldServer) world);
+    }
+    // CraftBukkit end
+
     public void a(int i) {
         float f = (float) this.getExpToLevel();
         float f1 = (f - 1.0F) / f;
@@ -436,6 +570,11 @@
 
     @Override
     public void tick() {
+        // CraftBukkit start
+        if (this.joining) {
+            this.joining = false;
+        }
+        // CraftBukkit end
         this.gameMode.a();
         --this.spawnInvulnerableTime;
         if (this.invulnerableTime > 0) {
@@ -489,7 +628,7 @@
             }
 
             if (this.getHealth() != this.lastSentHealth || this.lastSentFood != this.foodData.getFoodLevel() || this.foodData.getSaturationLevel() == 0.0F != this.lastFoodSaturationZero) {
-                this.connection.sendPacket(new PacketPlayOutUpdateHealth(this.getHealth(), this.foodData.getFoodLevel(), this.foodData.getSaturationLevel()));
+                this.connection.sendPacket(new PacketPlayOutUpdateHealth(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;
@@ -520,6 +659,12 @@
                 this.a(IScoreboardCriteria.EXPERIENCE, MathHelper.f((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.a(IScoreboardCriteria.LEVEL, MathHelper.f((float) this.lastRecordedLevel));
@@ -534,6 +679,16 @@
                 CriterionTriggers.LOCATION.a(this);
             }
 
+            // CraftBukkit start - initialize oldLevel and fire PlayerLevelChangeEvent
+            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;
+            }
+            // CraftBukkit end
         } catch (Throwable throwable) {
             CrashReport crashreport = CrashReport.a(throwable, "Ticking player");
             CrashReportSystemDetails crashreportsystemdetails = crashreport.a("Player being ticked");
@@ -544,7 +699,8 @@
     }
 
     private void a(IScoreboardCriteria iscoreboardcriteria, int i) {
-        this.getScoreboard().getObjectivesForCriteria(iscoreboardcriteria, this.getName(), (scoreboardscore) -> {
+        // CraftBukkit - Use our scores instead
+        this.level.getCraftServer().getScoreboardManager().getScoreboardScores(iscoreboardcriteria, this.getName(), (scoreboardscore) -> {
             scoreboardscore.setScore(i);
         });
     }
@@ -552,9 +708,46 @@
     @Override
     public void die(DamageSource damagesource) {
         boolean flag = this.level.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<org.bukkit.inventory.ItemStack>(this.getInventory().getSize());
+        boolean keepInventory = this.level.getGameRules().getBoolean(GameRules.RULE_KEEPINVENTORY) || this.isSpectator();
+
+        if (!keepInventory) {
+            for (ItemStack item : this.getInventory().getContents()) {
+                if (!item.isEmpty() && !EnchantmentManager.shouldNotDrop(item)) {
+                    loot.add(CraftItemStack.asCraftMirror(item));
+                }
+            }
+        }
+        // SPIGOT-5071: manually add player loot tables (SPIGOT-5195 - ignores keepInventory rule)
+        this.a(damagesource, this.lastHurtByPlayerTime > 0);
+        for (org.bukkit.inventory.ItemStack item : this.drops) {
+            loot.add(item);
+        }
+        this.drops.clear(); // SPIGOT-5188: make sure to clear
 
-        if (flag) {
-            IChatBaseComponent ichatbasecomponent = this.getCombatTracker().getDeathMessage();
+        IChatBaseComponent defaultMessage = this.getCombatTracker().getDeathMessage();
+
+        String deathmessage = defaultMessage.getString();
+        org.bukkit.event.entity.PlayerDeathEvent event = CraftEventFactory.callPlayerDeathEvent(this, loot, deathmessage, keepInventory);
+
+        // SPIGOT-943 - only call if they have an inventory open
+        if (this.containerMenu != this.inventoryMenu) {
+            this.closeInventory();
+        }
+
+        String deathMessage = event.getDeathMessage();
+
+        if (deathMessage != null && deathMessage.length() > 0 && flag) { // TODO: allow plugins to override?
+            IChatBaseComponent ichatbasecomponent;
+            if (deathMessage.equals(deathmessage)) {
+                ichatbasecomponent = this.getCombatTracker().getDeathMessage();
+            } else {
+                ichatbasecomponent = org.bukkit.craftbukkit.util.CraftChatMessage.fromStringOrNull(deathMessage);
+            }
 
             this.connection.a((Packet) (new ClientboundPlayerCombatKillPacket(this.getCombatTracker(), ichatbasecomponent)), (future) -> {
                 if (!future.isSuccess()) {
@@ -588,12 +781,18 @@
         if (this.level.getGameRules().getBoolean(GameRules.RULE_FORGIVE_DEAD_PLAYERS)) {
             this.fI();
         }
-
-        if (!this.isSpectator()) {
-            this.f(damagesource);
+        // SPIGOT-5478 must be called manually now
+        this.dropExperience();
+        // we clean the player's inventory after the EntityDeathEvent is called so plugins can get the exact state of the inventory.
+        if (!event.getKeepInventory()) {
+            this.getInventory().clear();
         }
 
-        this.getScoreboard().getObjectivesForCriteria(IScoreboardCriteria.DEATH_COUNT, this.getName(), ScoreboardScore::incrementScore);
+        this.setSpectatorTarget(this); // Remove spectated target
+        // CraftBukkit end
+
+        // CraftBukkit - Get our scores instead
+        this.level.getCraftServer().getScoreboardManager().getScoreboardScores(IScoreboardCriteria.DEATH_COUNT, this.getName(), ScoreboardScore::incrementScore);
         EntityLiving entityliving = this.getKillingEntity();
 
         if (entityliving != null) {
@@ -630,10 +829,12 @@
             String s = this.getName();
             String s1 = entity.getName();
 
-            this.getScoreboard().getObjectivesForCriteria(IScoreboardCriteria.KILL_COUNT_ALL, s, ScoreboardScore::incrementScore);
+            // CraftBukkit - Get our scores instead
+            this.level.getCraftServer().getScoreboardManager().getScoreboardScores(IScoreboardCriteria.KILL_COUNT_ALL, s, ScoreboardScore::incrementScore);
             if (entity instanceof EntityHuman) {
                 this.a(StatisticList.PLAYER_KILLS);
-                this.getScoreboard().getObjectivesForCriteria(IScoreboardCriteria.KILL_COUNT_PLAYERS, s, ScoreboardScore::incrementScore);
+                // CraftBukkit - Get our scores instead
+                this.level.getCraftServer().getScoreboardManager().getScoreboardScores(IScoreboardCriteria.KILL_COUNT_PLAYERS, s, ScoreboardScore::incrementScore);
             } else {
                 this.a(StatisticList.MOB_KILLS);
             }
@@ -651,7 +852,8 @@
             int i = scoreboardteam.getColor().b();
 
             if (i >= 0 && i < aiscoreboardcriteria.length) {
-                this.getScoreboard().getObjectivesForCriteria(aiscoreboardcriteria[i], s, ScoreboardScore::incrementScore);
+                // CraftBukkit - Get our scores instead
+                this.level.getCraftServer().getScoreboardManager().getScoreboardScores(aiscoreboardcriteria[i], s, ScoreboardScore::incrementScore);
             }
         }
 
@@ -695,18 +897,20 @@
     }
 
     private boolean canPvP() {
-        return this.server.getPVP();
+        // CraftBukkit - this.server.getPvP() -> this.world.pvpMode
+        return this.level.pvpMode;
     }
 
     @Nullable
     @Override
     protected ShapeDetectorShape a(WorldServer worldserver) {
         ShapeDetectorShape shapedetectorshape = super.a(worldserver);
+        worldserver = (shapedetectorshape == null) ? worldserver : shapedetectorshape.world; // CraftBukkit
 
-        if (shapedetectorshape != null && this.level.getDimensionKey() == World.OVERWORLD && worldserver.getDimensionKey() == World.END) {
+        if (shapedetectorshape != null && this.level.getTypeKey() == DimensionManager.OVERWORLD_LOCATION && worldserver != null && worldserver.getTypeKey() == DimensionManager.END_LOCATION) { // CraftBukkit
             Vec3D vec3d = shapedetectorshape.pos.add(0.0D, -1.0D, 0.0D);
 
-            return new ShapeDetectorShape(vec3d, Vec3D.ZERO, 90.0F, 0.0F);
+            return new ShapeDetectorShape(vec3d, Vec3D.ZERO, 90.0F, 0.0F, worldserver, shapedetectorshape.portalEventInfo); // CraftBukkit
         } else {
             return shapedetectorshape;
         }
@@ -715,11 +919,20 @@
     @Nullable
     @Override
     public Entity b(WorldServer worldserver) {
-        this.isChangingDimension = true;
+        // CraftBukkit start
+        return b(worldserver, TeleportCause.UNKNOWN);
+    }
+
+    @Nullable
+    public Entity b(WorldServer worldserver, PlayerTeleportEvent.TeleportCause cause) {
+        // CraftBukkit end
+        if (this.isSleeping()) return this; // CraftBukkit - SPIGOT-3154
+        // this.worldChangeInvuln = true; // CraftBukkit - Moved down and into PlayerList#changeDimension
         WorldServer worldserver1 = this.getWorldServer();
-        ResourceKey<World> resourcekey = worldserver1.getDimensionKey();
+        ResourceKey<DimensionManager> resourcekey = worldserver1.getTypeKey(); // CraftBukkit
 
-        if (resourcekey == World.END && worldserver.getDimensionKey() == World.OVERWORLD) {
+        if (resourcekey == DimensionManager.END_LOCATION && worldserver != null && worldserver.getTypeKey() == DimensionManager.OVERWORLD_LOCATION) { // CraftBukkit
+            this.isChangingDimension = true; // CraftBukkit - Moved down from above
             this.decouple();
             this.getWorldServer().a(this, Entity.RemovalReason.CHANGED_DIMENSION);
             if (!this.wonGame) {
@@ -730,6 +943,8 @@
 
             return this;
         } else {
+            // CraftBukkit start
+            /*
             WorldData worlddata = worldserver.getWorldData();
 
             this.connection.sendPacket(new PacketPlayOutRespawn(worldserver.getDimensionManager(), worldserver.getDimensionKey(), BiomeManager.a(worldserver.getSeed()), this.gameMode.getGameMode(), this.gameMode.c(), worldserver.isDebugWorld(), worldserver.isFlatWorld(), true));
@@ -739,22 +954,52 @@
             playerlist.d(this);
             worldserver1.a(this, Entity.RemovalReason.CHANGED_DIMENSION);
             this.unsetRemoved();
+            */
+            // CraftBukkit end
             ShapeDetectorShape shapedetectorshape = this.a(worldserver);
 
             if (shapedetectorshape != null) {
                 worldserver1.getMethodProfiler().enter("moving");
-                if (resourcekey == World.OVERWORLD && worldserver.getDimensionKey() == World.NETHER) {
+                worldserver = shapedetectorshape.world; // CraftBukkit
+                if (worldserver == null) { } else // CraftBukkit - empty to fall through to null to event
+                if (resourcekey == DimensionManager.OVERWORLD_LOCATION && worldserver.getTypeKey() == DimensionManager.NETHER_LOCATION) { // CraftBukkit
                     this.enteredNetherPosition = this.getPositionVector();
-                } else if (worldserver.getDimensionKey() == World.END) {
+                } else if (worldserver.getTypeKey() == DimensionManager.END_LOCATION && shapedetectorshape.portalEventInfo != null && shapedetectorshape.portalEventInfo.getCanCreatePortal()) { // CraftBukkit
                     this.a(worldserver, new BlockPosition(shapedetectorshape.pos));
                 }
+                // CraftBukkit start
+            } else {
+                return null;
+            }
+            Location enter = this.getBukkitEntity().getLocation();
+            Location exit = (worldserver == null) ? null : new Location(worldserver.getWorld(), shapedetectorshape.pos.x, shapedetectorshape.pos.y, shapedetectorshape.pos.z, shapedetectorshape.yRot, shapedetectorshape.xRot);
+            PlayerTeleportEvent tpEvent = new PlayerTeleportEvent(this.getBukkitEntity(), enter, exit, cause);
+            Bukkit.getServer().getPluginManager().callEvent(tpEvent);
+            if (tpEvent.isCancelled() || tpEvent.getTo() == null) {
+                return null;
+            }
+            exit = tpEvent.getTo();
+            worldserver = ((CraftWorld) exit.getWorld()).getHandle();
+            // CraftBukkit end
+
+            worldserver1.getMethodProfiler().exit();
+            worldserver1.getMethodProfiler().enter("placing");
+            if (true) { // CraftBukkit
+                this.isChangingDimension = true; // CraftBukkit - Set teleport invulnerability only if player changing worlds
+
+                this.connection.sendPacket(new PacketPlayOutRespawn(worldserver.getDimensionManager(), worldserver.getDimensionKey(), BiomeManager.a(worldserver.getSeed()), this.gameMode.getGameMode(), this.gameMode.c(), worldserver.isDebugWorld(), worldserver.isFlatWorld(), true));
+                this.connection.sendPacket(new PacketPlayOutServerDifficulty(this.level.getDifficulty(), this.level.getWorldData().isDifficultyLocked()));
+                PlayerList playerlist = this.server.getPlayerList();
+
+                playerlist.d(this);
+                worldserver1.a(this, Entity.RemovalReason.CHANGED_DIMENSION);
+                this.unsetRemoved();
 
-                worldserver1.getMethodProfiler().exit();
-                worldserver1.getMethodProfiler().enter("placing");
+                // CraftBukkit end
                 this.spawnIn(worldserver);
                 worldserver.addPlayerPortal(this);
-                this.setYawPitch(shapedetectorshape.yRot, shapedetectorshape.xRot);
-                this.teleportAndSync(shapedetectorshape.pos.x, shapedetectorshape.pos.y, shapedetectorshape.pos.z);
+                this.connection.teleport(exit); // CraftBukkit - use internal teleport without event
+                this.connection.syncPosition(); // CraftBukkit - sync position after changing it (from PortalTravelAgent#findAndteleport)
                 worldserver1.getMethodProfiler().exit();
                 this.triggerDimensionAdvancements(worldserver1);
                 this.connection.sendPacket(new PacketPlayOutAbilities(this.getAbilities()));
@@ -772,12 +1017,31 @@
                 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
             }
 
             return this;
         }
     }
 
+    // CraftBukkit start
+    @Override
+    protected CraftPortalEvent callPortalEvent(Entity entity, WorldServer exitWorldServer, BlockPosition exitPosition, TeleportCause cause, int searchRadius, int creationRadius) {
+        Location enter = this.getBukkitEntity().getLocation();
+        Location exit = new Location(exitWorldServer.getWorld(), exitPosition.getX(), exitPosition.getY(), exitPosition.getZ(), getYRot(), getXRot());
+        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
+
     private void a(WorldServer worldserver, BlockPosition blockposition) {
         BlockPosition.MutableBlockPosition blockposition_mutableblockposition = blockposition.i();
 
@@ -794,17 +1058,17 @@
     }
 
     @Override
-    protected Optional<BlockUtil.Rectangle> findOrCreatePortal(WorldServer worldserver, BlockPosition blockposition, boolean flag) {
-        Optional<BlockUtil.Rectangle> optional = super.findOrCreatePortal(worldserver, blockposition, flag);
+    protected Optional<BlockUtil.Rectangle> findOrCreatePortal(WorldServer worldserver, BlockPosition blockposition, boolean flag, int searchRadius, boolean canCreatePortal, int createRadius) { // CraftBukkit
+        Optional<BlockUtil.Rectangle> optional = super.findOrCreatePortal(worldserver, blockposition, flag, searchRadius, canCreatePortal, createRadius); // CraftBukkit
 
-        if (optional.isPresent()) {
+        if (optional.isPresent() || !canCreatePortal) { // CraftBukkit
             return optional;
         } else {
             EnumDirection.EnumAxis enumdirection_enumaxis = (EnumDirection.EnumAxis) this.level.getType(this.portalEntrancePos).d(BlockPortal.AXIS).orElse(EnumDirection.EnumAxis.X);
-            Optional<BlockUtil.Rectangle> optional1 = worldserver.getTravelAgent().createPortal(blockposition, enumdirection_enumaxis);
+            Optional<BlockUtil.Rectangle> optional1 = worldserver.getTravelAgent().createPortal(blockposition, enumdirection_enumaxis, this, createRadius); // CraftBukkit
 
             if (!optional1.isPresent()) {
-                EntityPlayer.LOGGER.error("Unable to create a portal, likely target out of worldborder");
+                // EntityPlayer.LOGGER.error("Unable to create a portal, likely target out of worldborder"); // CraftBukkit
             }
 
             return optional1;
@@ -814,13 +1078,21 @@
     public void triggerDimensionAdvancements(WorldServer worldserver) {
         ResourceKey<World> resourcekey = worldserver.getDimensionKey();
         ResourceKey<World> resourcekey1 = this.level.getDimensionKey();
+        // CraftBukkit start
+        ResourceKey<World> maindimensionkey = CraftDimensionUtil.getMainDimensionKey(worldserver);
+        ResourceKey<World> maindimensionkey1 = CraftDimensionUtil.getMainDimensionKey(this.level);
 
-        CriterionTriggers.CHANGED_DIMENSION.a(this, resourcekey, resourcekey1);
-        if (resourcekey == World.NETHER && resourcekey1 == World.OVERWORLD && this.enteredNetherPosition != null) {
+        CriterionTriggers.CHANGED_DIMENSION.a(this, maindimensionkey, maindimensionkey1);
+        if (maindimensionkey != resourcekey || maindimensionkey1 != resourcekey1) {
+            CriterionTriggers.CHANGED_DIMENSION.a(this, resourcekey, resourcekey1);
+        }
+
+        if (maindimensionkey == World.NETHER && maindimensionkey1 == World.OVERWORLD && this.enteredNetherPosition != null) {
+            // CraftBukkit end
             CriterionTriggers.NETHER_TRAVEL.a(this, this.enteredNetherPosition);
         }
 
-        if (resourcekey1 != World.NETHER) {
+        if (maindimensionkey1 != World.NETHER) { // CraftBukkit
             this.enteredNetherPosition = null;
         }
 
@@ -848,10 +1120,8 @@
         this.containerMenu.d();
     }
 
-    @Override
-    public Either<EntityHuman.EnumBedResult, Unit> sleep(BlockPosition blockposition) {
-        EnumDirection enumdirection = (EnumDirection) this.level.getType(blockposition).get(BlockFacingHorizontal.FACING);
-
+    // CraftBukkit start - moved bed result checks from below into separate method
+    private Either<EntityHuman.EnumBedResult, Unit> getBedResult(BlockPosition blockposition, EnumDirection enumdirection) {
         if (!this.isSleeping() && this.isAlive()) {
             if (!this.level.getDimensionManager().isNatural()) {
                 return Either.left(EntityHuman.EnumBedResult.NOT_POSSIBLE_HERE);
@@ -877,7 +1147,36 @@
                         }
                     }
 
-                    Either<EntityHuman.EnumBedResult, Unit> either = super.sleep(blockposition).ifRight((unit) -> {
+                    return Either.right(Unit.INSTANCE);
+                }
+            }
+        } else {
+            return Either.left(EntityHuman.EnumBedResult.OTHER_PROBLEM);
+        }
+    }
+
+    @Override
+    public Either<EntityHuman.EnumBedResult, Unit> sleep(BlockPosition blockposition, boolean force) {
+        EnumDirection enumdirection = (EnumDirection) this.level.getType(blockposition).get(BlockFacingHorizontal.FACING);
+        Either<EntityHuman.EnumBedResult, Unit> bedResult = this.getBedResult(blockposition, enumdirection);
+
+        if (bedResult.left().orElse(null) == EntityHuman.EnumBedResult.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<EntityHuman.EnumBedResult, Unit> either = super.sleep(blockposition, force).ifRight((unit) -> {
                         this.a(StatisticList.SLEEP_IN_BED);
                         CriterionTriggers.SLEPT_IN_BED.a(this);
                     });
@@ -890,9 +1189,8 @@
                     return either;
                 }
             }
-        } else {
-            return Either.left(EntityHuman.EnumBedResult.OTHER_PROBLEM);
         }
+        // CraftBukkit end
     }
 
     @Override
@@ -919,6 +1217,24 @@
 
     @Override
     public void wakeup(boolean flag, boolean flag1) {
+        if (!this.isSleeping()) return; // CraftBukkit - Can't leave bed if not in one!
+        // CraftBukkit start - fire PlayerBedLeaveEvent
+        CraftPlayer player = this.getBukkitEntity();
+        BlockPosition bedPosition = this.getBedPosition().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.getWorldServer().getChunkProvider().broadcastIncludingSelf(this, new PacketPlayOutAnimation(this, 2));
         }
@@ -1000,8 +1316,9 @@
         this.connection.sendPacket(new PacketPlayOutOpenSignEditor(tileentitysign.getPosition()));
     }
 
-    public void nextContainerCounter() {
+    public int nextContainerCounter() { // CraftBukkit - void -> int
         this.containerCounter = this.containerCounter % 100 + 1;
+        return containerCounter; // CraftBukkit
     }
 
     @Override
@@ -1016,6 +1333,24 @@
             this.nextContainerCounter();
             Container container = itileinventory.createMenu(this.containerCounter, this.getInventory(), this);
 
+            // CraftBukkit start - Inventory open hook
+            if (container != null) {
+                container.setTitle(itileinventory.getScoreboardDisplayName());
+
+                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 (itileinventory instanceof IInventory) {
+                        ((IInventory) itileinventory).closeContainer(this);
+                    } else if (itileinventory instanceof BlockChest.DoubleInventory) {
+                        // SPIGOT-5355 - double chests too :(
+                        ((BlockChest.DoubleInventory) itileinventory).inventorylargechest.closeContainer(this);
+                    }
+                    return OptionalInt.empty();
+                }
+            }
+            // CraftBukkit end
             if (container == null) {
                 if (this.isSpectator()) {
                     this.a((IChatBaseComponent) (new ChatMessage("container.spectatorCantOpen")).a(EnumChatFormat.RED), true);
@@ -1023,9 +1358,11 @@
 
                 return OptionalInt.empty();
             } else {
-                this.connection.sendPacket(new PacketPlayOutOpenWindow(container.containerId, container.getType(), itileinventory.getScoreboardDisplayName()));
-                this.initMenu(container);
+                // CraftBukkit start
                 this.containerMenu = container;
+                this.connection.sendPacket(new PacketPlayOutOpenWindow(container.containerId, container.getType(), container.getTitle()));
+                // CraftBukkit end
+                this.initMenu(container);
                 return OptionalInt.of(this.containerCounter);
             }
         }
@@ -1038,13 +1375,24 @@
 
     @Override
     public void openHorseInventory(EntityHorseAbstract entityhorseabstract, IInventory iinventory) {
+        // CraftBukkit start - Inventory open hook
+        this.nextContainerCounter();
+        Container container = new ContainerHorse(this.containerCounter, this.getInventory(), iinventory, entityhorseabstract);
+        container.setTitle(entityhorseabstract.getScoreboardDisplayName());
+        container = CraftEventFactory.callInventoryOpenEvent(this, container);
+
+        if (container == null) {
+            iinventory.closeContainer(this);
+            return;
+        }
+        // CraftBukkit end
         if (this.containerMenu != this.inventoryMenu) {
             this.closeInventory();
         }
 
-        this.nextContainerCounter();
+        // this.nextContainerCounter(); // CraftBukkit - moved up
         this.connection.sendPacket(new PacketPlayOutOpenWindowHorse(this.containerCounter, iinventory.getSize(), entityhorseabstract.getId()));
-        this.containerMenu = new ContainerHorse(this.containerCounter, this.getInventory(), iinventory, entityhorseabstract);
+        this.containerMenu = container; // CraftBukkit
         this.initMenu(this.containerMenu);
     }
 
@@ -1068,6 +1416,7 @@
 
     @Override
     public void closeInventory() {
+        CraftEventFactory.handleInventoryCloseEvent(this); // CraftBukkit
         this.connection.sendPacket(new PacketPlayOutCloseWindow(this.containerMenu.containerId));
         this.o();
     }
@@ -1097,7 +1446,7 @@
     @Override
     public void a(Statistic<?> statistic, int i) {
         this.stats.b(this, statistic, i);
-        this.getScoreboard().getObjectivesForCriteria(statistic, this.getName(), (scoreboardscore) -> {
+        this.level.getCraftServer().getScoreboardManager().getScoreboardScores(statistic, this.getName(), (scoreboardscore) -> { // CraftBukkit - Get our scores instead
             scoreboardscore.addScore(i);
         });
     }
@@ -1105,7 +1454,7 @@
     @Override
     public void a(Statistic<?> statistic) {
         this.stats.setStatistic(this, statistic, 0);
-        this.getScoreboard().getObjectivesForCriteria(statistic, this.getName(), ScoreboardScore::c);
+        this.level.getCraftServer().getScoreboardManager().getScoreboardScores(statistic, this.getName(), ScoreboardScore::c); // CraftBukkit - Get our scores instead
     }
 
     @Override
@@ -1121,7 +1470,7 @@
 
         for (int j = 0; j < i; ++j) {
             MinecraftKey minecraftkey = aminecraftkey1[j];
-            Optional optional = this.server.getCraftingManager().getRecipe(minecraftkey);
+            Optional<? extends IRecipe<?>> optional = this.server.getCraftingManager().getRecipe(minecraftkey); // CraftBukkit - decompile error
 
             Objects.requireNonNull(list);
             optional.ifPresent(list::add);
@@ -1156,7 +1505,16 @@
 
     public void triggerHealthUpdate() {
         this.lastSentHealth = -1.0E8F;
+        this.lastSentExp = -1; // CraftBukkit - Added to reset
+    }
+
+    // CraftBukkit start - Support multi-line messages
+    public void sendMessage(UUID uuid, IChatBaseComponent[] ichatbasecomponent) {
+        for (IChatBaseComponent component : ichatbasecomponent) {
+            this.sendMessage(component, (uuid == null) ? SystemUtils.NIL_UUID : uuid);
+        }
     }
+    // CraftBukkit end
 
     @Override
     public void a(IChatBaseComponent ichatbasecomponent, boolean flag) {
@@ -1211,11 +1569,12 @@
         this.lastSentExp = -1;
         this.lastSentHealth = -1.0F;
         this.lastSentFood = -1;
-        this.recipeBook.a((RecipeBook) entityplayer.recipeBook);
+        // this.recipeBook.a((RecipeBook) entityplayer.recipeBook); // CraftBukkit
         this.seenCredits = entityplayer.seenCredits;
         this.enteredNetherPosition = entityplayer.enteredNetherPosition;
         this.setShoulderEntityLeft(entityplayer.getShoulderEntityLeft());
         this.setShoulderEntityRight(entityplayer.getShoulderEntityRight());
+
     }
 
     @Override
@@ -1337,7 +1696,20 @@
         return s;
     }
 
+    public String locale = "en_us"; // CraftBukkit - add, lowercase
     public void a(PacketPlayInSettings packetplayinsettings) {
+        // CraftBukkit start
+        if (getMainHand() != packetplayinsettings.getMainHand()) {
+            PlayerChangedMainHandEvent event = new PlayerChangedMainHandEvent(getBukkitEntity(), getMainHand() == EnumMainHand.LEFT ? MainHand.LEFT : MainHand.RIGHT);
+            this.server.server.getPluginManager().callEvent(event);
+        }
+        if (!this.locale.equals(packetplayinsettings.language)) {
+            PlayerLocaleChangeEvent event = new PlayerLocaleChangeEvent(getBukkitEntity(), packetplayinsettings.language);
+            this.server.server.getPluginManager().callEvent(event);
+        }
+        this.locale = packetplayinsettings.language;
+        this.clientViewDistance = packetplayinsettings.viewDistance;
+        // CraftBukkit end
         this.chatVisibility = packetplayinsettings.d();
         this.canChatColor = packetplayinsettings.e();
         this.textFilteringEnabled = packetplayinsettings.h();
@@ -1407,7 +1779,7 @@
         this.camera = (Entity) (entity == null ? this : entity);
         if (entity1 != this.camera) {
             this.connection.sendPacket(new PacketPlayOutCamera(this.camera));
-            this.enderTeleportTo(this.camera.locX(), this.camera.locY(), this.camera.locZ());
+            this.connection.b(this.camera.locX(), this.camera.locY(), this.camera.locZ(), this.getYRot(), this.getXRot(), TeleportCause.SPECTATE); // CraftBukkit
         }
 
     }
@@ -1436,7 +1808,7 @@
 
     @Nullable
     public IChatBaseComponent getPlayerListName() {
-        return null;
+        return listName; // CraftBukkit
     }
 
     @Override
@@ -1457,9 +1829,16 @@
         return this.advancements;
     }
 
+    // CraftBukkit start
     public void a(WorldServer worldserver, double d0, double d1, double d2, float f, float f1) {
+        this.a(worldserver, d0, d1, d2, f, f1, org.bukkit.event.player.PlayerTeleportEvent.TeleportCause.UNKNOWN);
+    }
+
+    public void a(WorldServer worldserver, double d0, double d1, double d2, float f, float f1, org.bukkit.event.player.PlayerTeleportEvent.TeleportCause cause) {
+        // CraftBukkit end
         this.setSpectatorTarget(this);
         this.stopRiding();
+        /* CraftBukkit start - replace with bukkit handling for multi-world
         if (worldserver == this.level) {
             this.connection.b(d0, d1, d2, f, f1);
         } else {
@@ -1479,6 +1858,9 @@
             this.server.getPlayerList().a(this, worldserver);
             this.server.getPlayerList().updateClient(this);
         }
+        */
+        this.getBukkitEntity().teleport(new Location(worldserver.getWorld(), d0, d1, d2, f, f1), cause);
+        // CraftBukkit end
 
     }
 
@@ -1634,4 +2016,144 @@
         });
         return this.a(itemstack, false, true) != null;
     }
+
+    // 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.sendPacket(new PacketPlayOutGameStateChange(PacketPlayOutGameStateChange.STOP_RAINING, 0));
+        } else {
+            this.connection.sendPacket(new PacketPlayOutGameStateChange(PacketPlayOutGameStateChange.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.sendPacket(new PacketPlayOutGameStateChange(PacketPlayOutGameStateChange.RAIN_LEVEL_CHANGE, newRain));
+            }
+        } else {
+            // Plugin
+            if (pluginRainPositionPrevious != pluginRainPosition) {
+                this.connection.sendPacket(new PacketPlayOutGameStateChange(PacketPlayOutGameStateChange.RAIN_LEVEL_CHANGE, pluginRainPosition));
+            }
+        }
+
+        if (oldThunder != newThunder) {
+            if (weather == WeatherType.DOWNFALL || weather == null) {
+                this.connection.sendPacket(new PacketPlayOutGameStateChange(PacketPlayOutGameStateChange.THUNDER_LEVEL_CHANGE, newThunder));
+            } else {
+                this.connection.sendPacket(new PacketPlayOutGameStateChange(PacketPlayOutGameStateChange.THUNDER_LEVEL_CHANGE, 0));
+            }
+        }
+    }
+
+    public void tickWeather() {
+        if (this.weather == null) return;
+
+        pluginRainPositionPrevious = pluginRainPosition;
+        if (weather == WeatherType.DOWNFALL) {
+            pluginRainPosition += 0.01;
+        } else {
+            pluginRainPosition -= 0.01;
+        }
+
+        pluginRainPosition = MathHelper.a(pluginRainPosition, 0.0F, 1.0F);
+    }
+
+    public void resetPlayerWeather() {
+        this.weather = null;
+        this.setPlayerWeather(this.level.getWorldData().hasStorm() ? WeatherType.DOWNFALL : WeatherType.CLEAR, false);
+    }
+
+    @Override
+    public String toString() {
+        return super.toString() + "(" + this.getName() + " at " + this.locX() + "," + this.locY() + "," + this.locZ() + ")";
+    }
+
+    // SPIGOT-1903, MC-98153
+    public void forceSetPositionRotation(double x, double y, double z, float yaw, float pitch) {
+        this.setPositionRotation(x, y, z, yaw, pitch);
+        this.connection.syncPosition();
+    }
+
+    @Override
+    public boolean isFrozen() {
+        return super.isFrozen() || !getBukkitEntity().isOnline();
+    }
+
+    @Override
+    public Scoreboard getScoreboard() {
+        return getBukkitEntity().getScoreboard().getHandle();
+    }
+
+    public void reset() {
+        float exp = 0;
+        boolean keepInventory = this.level.getGameRules().getBoolean(GameRules.RULE_KEEPINVENTORY);
+
+        if (this.keepLevel || keepInventory) {
+            exp = this.experienceProgress;
+            this.newTotalExp = this.totalExperience;
+            this.newLevel = this.experienceLevel;
+        }
+
+        this.setHealth(this.getMaxHealth());
+        this.remainingFireTicks = 0;
+        this.fallDistance = 0;
+        this.foodData = new FoodMetaData(this);
+        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 || keepInventory) {
+            this.experienceProgress = exp;
+        } else {
+            this.giveExp(this.newExp);
+        }
+        this.keepLevel = false;
+    }
+
+    @Override
+    public CraftPlayer getBukkitEntity() {
+        return (CraftPlayer) super.getBukkitEntity();
+    }
+    // CraftBukkit end
 }