SharedConfig & NachoSpigot optimizations

eSpigot-API/src/main/java/co/aikar/timings/TimingHandler.java

@@ -112,7 +112,14 @@ class TimingHandler implements Timing {
                 start = 0;
                 return;
             }
+            try
+            {
                 addDiff(System.nanoTime() - start);
+            }
+            catch (ArrayIndexOutOfBoundsException ex)
+            {
+                ex.printStackTrace();
+            }
             start = 0;
         }
     }

eSpigot-API/src/main/java/org/bukkit/Bukkit.java

@@ -550,13 +550,6 @@ public final class Bukkit {
         return server.createMap(world);
     }
 
-    /**
-     * Reloads the server, refreshing settings and plugin information.
-     */
-    public static void reload() {
-        server.reload();
-    }
-
     /**
      * Returns the primary logger associated with this server instance.
      *

eSpigot-API/src/main/java/org/bukkit/Server.java

@@ -452,11 +452,6 @@ public interface Server extends PluginMessageRecipient {
      */
     MapView createMap(World world);
 
-    /**
-     * Reloads the server, refreshing settings and plugin information.
-     */
-    void reload();
-
     /**
      * Returns the primary logger associated with this server instance.
      *

eSpigot-API/src/main/java/org/bukkit/command/SimpleCommandMap.java

@@ -30,7 +30,6 @@ public class SimpleCommandMap implements CommandMap {
 
     private void setDefaultCommands() {
         register("bukkit", new VersionCommand("version"));
-        register("bukkit", new ReloadCommand("reload"));
         register("bukkit", new PluginsCommand("plugins"));
         register("bukkit", new co.aikar.timings.TimingsCommand("timings")); // Spigot
     }

eSpigot-API/src/main/java/org/bukkit/command/defaults/ReloadCommand.java

@@ -1,39 +0,0 @@
-package org.bukkit.command.defaults;
-
-import java.util.Arrays;
-import java.util.Collections;
-
-import org.bukkit.Bukkit;
-import org.bukkit.ChatColor;
-import org.bukkit.command.Command;
-import org.bukkit.command.CommandSender;
-
-public class ReloadCommand extends BukkitCommand {
-    public ReloadCommand(String name) {
-        super(name);
-        this.description = "Reloads the server configuration and plugins";
-        this.usageMessage = "/reload";
-        this.setPermission("bukkit.command.reload");
-        this.setAliases(Collections.singletonList("rl"));
-    }
-
-    @Override
-    public boolean execute(CommandSender sender, String currentAlias, String[] args) {
-        if (!testPermission(sender)) return true;
-
-        Command.broadcastCommandMessage(sender, ChatColor.RED + "Please note that this command is not supported and may cause issues when using some plugins.");
-        Command.broadcastCommandMessage(sender, ChatColor.RED + "If you encounter any issues please use the /stop command to restart your server.");
-        Bukkit.reload();
-        Command.broadcastCommandMessage(sender, ChatColor.GREEN + "Reload complete.");
-
-        return true;
-    }
-
-    // Spigot Start
-    @Override
-    public java.util.List<String> tabComplete(CommandSender sender, String alias, String[] args) throws IllegalArgumentException
-    {
-        return java.util.Collections.emptyList();
-    }
-    // Spigot End
-}

eSpigot-Server/build.gradle.kts

@@ -49,6 +49,7 @@ dependencies {
     implementation("com.github.luben:zstd-jni:1.5.2-3")
     implementation("net.openhft:affinity:3.20.0")
     implementation("net.jafama:jafama:2.3.2")
+    implementation("com.eatthepath:fast-uuid:0.2.0")
 
 
     testImplementation("junit:junit:4.11")

eSpigot-Server/src/main/java/com/elevatemc/spigot/config/BukkitConfig.java

@@ -0,0 +1,128 @@
+package com.elevatemc.spigot.config;
+
+import org.bukkit.ChatColor;
+import org.bukkit.command.Command;
+import org.bukkit.configuration.ConfigurationSection;
+import org.bukkit.configuration.file.YamlConfiguration;
+
+import java.util.List;
+import java.util.Map;
+
+public class BukkitConfig {
+
+    public static YamlConfiguration config;
+    static Map<String, Command> commands;
+
+    public static void init()
+    {
+        config = SharedConfig.config;
+        commands = SharedConfig.commands;
+        SharedConfig.readConfig( BukkitConfig.class, null );
+    }
+
+    private static boolean getBoolean(String path, boolean def)
+    {
+        path = "bukkit." + path;
+        config.addDefault( path, def );
+        return config.getBoolean( path, config.getBoolean( path ) );
+    }
+
+    private static double getDouble(String path, double def)
+    {
+        path = "bukkit." + path;
+        config.addDefault( path, def );
+        return config.getDouble( path, config.getDouble( path ) );
+    }
+
+    private static int getInt(String path, int def)
+    {
+        path = "bukkit." + path;
+        config.addDefault( path, def );
+        return config.getInt( path, config.getInt( path ) );
+    }
+
+    private static <T> List getList(String path, T def)
+    {
+        path = "bukkit." + path;
+        config.addDefault( path, def );
+        return config.getList( path, config.getList( path ) );
+    }
+
+    private static String getString(String path, String def)
+    {
+        path = "bukkit." + path;
+        config.addDefault( path, def );
+        return config.getString( path, config.getString( path ) );
+    }
+
+    public static ConfigurationSection getConfigurationSection(String path) {
+        return config.getConfigurationSection("bukkit." + path);
+    }
+
+    public static boolean allowEnd = true;
+    public static boolean warnOnOverlaod = true;
+    public static String permissionsFile = "permissions.yml";
+    public static String updateFolder = "update";
+    public static boolean pluginProfiling = false;
+    public static int connectionThrottle = 4000;
+    public static boolean queryPlugins = true;
+    public static String deprecatedVerbose = "default";
+    public static String shutdownMessage = "Server closed";
+    public static String permissionMessage = ChatColor.RED + "I'm sorry, but you do not have permission to perform this command. Please contact the server administrators if you believe that this is in error.";
+    public static boolean useExactLoginLocation = false;
+    public static String worldContainer = ".";
+    private static void settings() {
+        allowEnd = getBoolean("settings.allow-end", allowEnd);
+        warnOnOverlaod = getBoolean("settings.warn-on-overload", warnOnOverlaod);
+        permissionsFile = getString("settings.update-folder", updateFolder);
+        pluginProfiling = getBoolean("settings.plugin-profilling", pluginProfiling);
+        connectionThrottle = getInt("settings.connection-throttle", connectionThrottle);
+        queryPlugins = getBoolean("settings.query-plugins", queryPlugins);
+        deprecatedVerbose = getString("settings.deprecated-verbose", deprecatedVerbose);
+        shutdownMessage = getString("settings.shutdown-message", shutdownMessage);
+        permissionMessage = getString("settings.permission-message", permissionMessage);
+        useExactLoginLocation = getBoolean("settings.use-exact-login-location", useExactLoginLocation);
+        worldContainer = getString("settings.world-container", worldContainer);
+    }
+
+    public static int monsterSpawnLimit = 70;
+    public static int animalSpawnLimit = 15;
+    public static int waterAnimalSpawnLimit = 5;
+    public static int ambientSpawnLimit = 15;
+    private static void spawnLimits() {
+        monsterSpawnLimit = getInt("spawn-limits.monsters", monsterSpawnLimit);
+        animalSpawnLimit = getInt("spawn-limits.animals", animalSpawnLimit);
+        waterAnimalSpawnLimit = getInt("spawn-limits.water-animals", waterAnimalSpawnLimit);
+        ambientSpawnLimit = getInt("spawn-limits.ambient", ambientSpawnLimit);
+    }
+
+    public static int chunkGCPeriodInTicks = 600;
+    public static int chunkGCLoadThreshold = 0;
+    private static void chunkGC() {
+        chunkGCPeriodInTicks = getInt("chunk-gc.period-in-ticks", chunkGCPeriodInTicks);
+        chunkGCLoadThreshold = getInt("chunk-gc.load-threshold", chunkGCLoadThreshold);
+    }
+
+    public static int ticksPerAnimalSpawn = 400;
+    public static int ticksPerMonsterSpawn = 1;
+    public static int ticksPerAutosave = 6000;
+    private static void ticksPer() {
+        ticksPerAnimalSpawn = getInt("ticks-per.animal-spawns", ticksPerAnimalSpawn);
+        ticksPerMonsterSpawn = getInt("ticks-per.monster-spawns", ticksPerMonsterSpawn);
+        ticksPerAutosave = getInt("ticks-per.autosave", ticksPerAutosave);
+    }
+
+    public static String databaseUsername = "bukkit";
+    public static String databaseIsolation = "SERIALIZABLE";
+    public static String databaseDriver = "org.sqlite.JDBC";
+    public static String databasePassword = "walrus";
+    public static String databaseUrl = "jdbc:sqlite:{DIR}{NAME}.db";
+    private static void database() {
+        databaseUsername = getString("database.username", databaseUsername);
+        databaseIsolation = getString("database.isolation", databaseIsolation);
+        databaseDriver = getString("database.driver", databaseDriver);
+        databasePassword = getString("database.password", databasePassword);
+        databaseUrl = getString("database.url", databaseUrl);
+    }
+
+}

eSpigot-Server/src/main/java/com/elevatemc/spigot/config/SharedConfig.java

@@ -0,0 +1,90 @@
+package com.elevatemc.spigot.config;
+
+import com.google.common.base.Throwables;
+import net.minecraft.server.MinecraftServer;
+import org.bukkit.Bukkit;
+import org.bukkit.command.Command;
+import org.bukkit.configuration.InvalidConfigurationException;
+import org.bukkit.configuration.file.YamlConfiguration;
+import org.github.paperspigot.PaperSpigotConfig;
+import org.github.paperspigot.PaperSpigotWorldConfig;
+import org.spigotmc.SpigotConfig;
+import org.spigotmc.SpigotWorldConfig;
+
+import java.io.File;
+import java.io.IOException;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.lang.reflect.Modifier;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.logging.Level;
+
+public class SharedConfig {
+
+    private static File CONFIG_FILE;
+    private static final String HEADER = "This is the main configuration file for eSpigot.\n"
+            + "Command aliases also go in this file, just put what you would normally put in commands.yml under a commands: tag";
+
+    /*========================================================================*/
+    public static YamlConfiguration config;
+    public static Map<String, Command> commands;
+    /*========================================================================*/
+
+    public static void init(File configFile) {
+        CONFIG_FILE = configFile;
+        config = new YamlConfiguration();
+        try {
+            config.load (CONFIG_FILE);
+        } catch (IOException ex) {
+        } catch (InvalidConfigurationException ex) {
+            Bukkit.getLogger().log(Level.SEVERE, "Could not load sportpaper.yml, please correct your syntax errors", ex);
+            throw Throwables.propagate(ex);
+        }
+        config.options().header(HEADER);
+        config.options().copyDefaults(true);
+
+        commands = new HashMap<String, Command>();
+
+        eSpigotConfig.init();
+        BukkitConfig.init();
+        SpigotConfig.init();
+        PaperSpigotConfig.init();
+        SpigotWorldConfig.init();
+        PaperSpigotWorldConfig.init();
+    }
+
+    public static void registerCommands() {
+        for (Map.Entry<String, Command> entry : commands.entrySet()) {
+            MinecraftServer.
+                    getServer().
+                    server.
+                    getCommandMap().
+                    register(entry.getKey(), "eSpigot", entry.getValue());
+        }
+    }
+
+    public static void readConfig(Class<?> clazz, Object instance) {
+        for (Method method : clazz.getDeclaredMethods()) {
+            if (Modifier.isPrivate(method.getModifiers())) {
+                if (method.getParameterTypes().length == 0 && method.getReturnType() == Void.TYPE) {
+                    try {
+                        method.setAccessible(true);
+                        method.invoke(instance);
+                    } catch (InvocationTargetException ex) {
+                        throw Throwables.propagate(ex.getCause());
+                    } catch (Exception ex) {
+                        Bukkit.getLogger().log(Level.SEVERE, "Error invoking " + method, ex);
+                    }
+                }
+            }
+        }
+
+        try {
+            config.save(CONFIG_FILE);
+        } catch (IOException ex) {
+            Bukkit.getLogger().log(Level.SEVERE, "Could not save " + CONFIG_FILE, ex);
+        }
+    }
+
+}

eSpigot-Server/src/main/java/com/elevatemc/spigot/config/eSpigotConfig.java

@@ -0,0 +1,109 @@
+package com.elevatemc.spigot.config;
+
+import java.util.*;
+
+import org.bukkit.command.Command;
+import org.bukkit.configuration.file.YamlConfiguration;
+
+public class eSpigotConfig
+{
+
+    public static YamlConfiguration config;
+    static Map<String, Command> commands;
+
+    public static void init()
+    {
+        config = SharedConfig.config;
+        commands = SharedConfig.commands;
+        SharedConfig.readConfig( eSpigotConfig.class, null );
+    }
+
+    private static boolean getBoolean(String path, boolean def)
+    {
+        path = "espigot." + path;
+        config.addDefault( path, def );
+        return config.getBoolean( path, config.getBoolean( path ) );
+    }
+
+    private static double getDouble(String path, double def)
+    {
+        path = "espigot." + path;
+        config.addDefault( path, def );
+        return config.getDouble( path, config.getDouble( path ) );
+    }
+
+    private static int getInt(String path, int def)
+    {
+        path = "espigot." + path;
+        config.addDefault( path, def );
+        return config.getInt( path, config.getInt( path ) );
+    }
+
+    private static <T> List getList(String path, T def)
+    {
+        path = "espigot." + path;
+        config.addDefault( path, def );
+        return config.getList( path, config.getList( path ) );
+    }
+
+    private static String getString(String path, String def)
+    {
+        path = "espigot." + path;
+        config.addDefault( path, def );
+        return config.getString( path, config.getString( path ) );
+    }
+
+    public static boolean entityCollisions;
+    private static void entityCollisions()
+    {
+        entityCollisions = getBoolean( "settings.entity-collisions", false );
+    }
+
+    public static boolean villageTicking;
+    private static void villageTicking()
+    {
+        villageTicking = getBoolean( "settings.village-ticking", false );
+    }
+
+    public static boolean enchantmentTableTicking;
+    private static void enchantmentTableTicking()
+    {
+        enchantmentTableTicking = getBoolean( "settings.enchantment-table-ticking", false );
+    }
+
+    public static boolean dayLightCycle;
+    private static void dayLightCycle()
+    {
+        dayLightCycle = getBoolean( "settings.day-light-cycle", false );
+    }
+
+    public static boolean naturalMobSpawning;
+    private static void naterualMobSpawning()
+    {
+        naturalMobSpawning = getBoolean( "settings.natural-mob-spawning", false );
+    }
+
+    public static boolean showHiddenPlayersInTab;
+    private static void showHiddenPlayersInTab()
+    {
+        showHiddenPlayersInTab = getBoolean( "settings.show-hidden-players-in-tab", true );
+    }
+
+    public static boolean mobAI;
+    private static void mobAI()
+    {
+        mobAI = getBoolean( "settings.mob-ai", false );
+    }
+
+    public static boolean fixSprintEatExploit;
+    private static void fixSprintEatExploit()
+    {
+        fixSprintEatExploit = getBoolean( "settings.fix-sprint-eat-exploit", true );
+    }
+
+    public static boolean obfuscatePlayerHealth;
+    private static void obfuscatePlayerHealth()
+    {
+        obfuscatePlayerHealth = getBoolean( "settings.obfuscate-player-health", true );
+    }
+}

eSpigot-Server/src/main/java/com/elevatemc/spigot/eSpigot.java

@@ -28,20 +28,16 @@ public class eSpigot {
         return instance;
     }
 
-    private final YamlConfig config, knockbackConfig;
+    private final YamlConfig knockbackConfig;
     private final KnockbackHandler knockbackHandler;
 
     public eSpigot(CraftServer server) {
         // Set instance of the server
         instance = this;
-        config = new YamlConfig("espigot.yml");
         knockbackConfig = new YamlConfig("knockback.yml");
 
         knockbackHandler = new KnockbackHandler();
 
-        for (eSpigotFeature eSpigotFeature : eSpigotFeature.values())
-            eSpigotFeature.reload(config);
-
         for (Command command : Arrays.asList(new KnockbackCommand(), new TicksPerSecondCommand()))
             server.getCommandMap()
                     .register(command.getLabel(), "eSpigot", command);
@@ -67,11 +63,6 @@ public class eSpigot {
         return this.packetHandlers;
     }
 
-
-    public YamlConfig getConfig() {
-        return config;
-    }
-
     public YamlConfig getKnockbackConfig() {
         return knockbackConfig;
     }

eSpigot-Server/src/main/java/com/elevatemc/spigot/eSpigotFeature.java

@@ -1,41 +0,0 @@
-package com.elevatemc.spigot;
-
-import org.bukkit.configuration.file.YamlConfiguration;
-import com.elevatemc.spigot.util.YamlConfig;
-
-public enum eSpigotFeature {
-
-    ENTITY_COLLISION(false),
-    VILLAGE_TICKING(false),
-    DAY_LIGHT_CYCLE(false),
-    NATURAL_MOB_SPAWNING(false),
-    SHOW_HIDDEN_PLAYERS_IN_TAB(true),
-    MOB_AI(false),
-    FIX_SPRINT_EAT_EXPLOIT(true),
-    OBFUSCATE_HEALTH(true);
-
-    private boolean enabled;
-
-    eSpigotFeature(boolean enabled) {
-        this.enabled = enabled;
-    }
-
-    public void reload(YamlConfig yamlConfig) {
-        yamlConfig.reload();
-        YamlConfiguration config = yamlConfig.getConfig();
-
-        if (config != null) {
-            enabled = config.getBoolean("features." + name().toLowerCase(), enabled);
-            config.set("features." + name().toLowerCase(), enabled);
-            yamlConfig.saveAsync();
-        }
-    }
-
-    public boolean isEnabled() {
-        return enabled;
-    }
-
-    public void setEnabled(boolean enabled) {
-        this.enabled = enabled;
-    }
-}

eSpigot-Server/src/main/java/com/elevatemc/spigot/network/VarIntUtil.java

@@ -1,3 +1,4 @@
+// Original source: velocity
 package com.elevatemc.spigot.network;
 
 import io.netty.buffer.ByteBuf;

eSpigot-Server/src/main/java/com/elevatemc/spigot/util/Constants.java

@@ -0,0 +1,6 @@
+package com.elevatemc.spigot.util;
+
+public class Constants
+{
+    public static final int[] EMPTY_ARRAY = new int[0];
+}

eSpigot-Server/src/main/java/net/minecraft/server/BlockDragonEgg.java

@@ -2,6 +2,7 @@ package net.minecraft.server;
 
 import java.util.Random;
 
+import com.elevatemc.spigot.util.Constants;
 import org.bukkit.event.block.BlockFromToEvent; // CraftBukkit
 
 public class BlockDragonEgg extends Block {
@@ -87,7 +88,7 @@ public class BlockDragonEgg extends Block {
                             double d2 = (double) blockposition1.getY() + (double) (blockposition.getY() - blockposition1.getY()) * d0 + world.random.nextDouble() * 1.0D - 0.5D;
                             double d3 = (double) blockposition1.getZ() + (double) (blockposition.getZ() - blockposition1.getZ()) * d0 + (world.random.nextDouble() - 0.5D) * 1.0D + 0.5D;
 
-                            world.addParticle(EnumParticle.PORTAL, d1, d2, d3, f, f1, f2, new int[0]);
+                            world.addParticle(EnumParticle.PORTAL, d1, d2, d3, f, f1, f2, Constants.EMPTY_ARRAY);
                         }
                     } else {
                         world.setTypeAndData(blockposition1, iblockdata, 2);

eSpigot-Server/src/main/java/net/minecraft/server/BlockFluids.java

@@ -1,5 +1,7 @@
 package net.minecraft.server;
 
+import com.elevatemc.spigot.util.Constants;
+
 import java.util.Iterator;
 import java.util.Random;
 
@@ -171,7 +173,7 @@ public abstract class BlockFluids extends Block {
         world.makeSound(d0 + 0.5D, d1 + 0.5D, d2 + 0.5D, "random.fizz", 0.5F, 2.6F + (world.random.nextFloat() - world.random.nextFloat()) * 0.8F);
 
         for (int i = 0; i < 8; ++i) {
-            world.addParticle(EnumParticle.SMOKE_LARGE, d0 + Math.random(), d1 + 1.2D, d2 + Math.random(), 0.0D, 0.0D, 0.0D, new int[0]);
+            world.addParticle(EnumParticle.SMOKE_LARGE, d0 + Math.random(), d1 + 1.2D, d2 + Math.random(), 0.0D, 0.0D, 0.0D, Constants.EMPTY_ARRAY);
         }
 
     }

eSpigot-Server/src/main/java/net/minecraft/server/BlockGrass.java

@@ -44,7 +44,7 @@ public class BlockGrass extends Block implements IBlockFragilePlantElement {
                 }
                 // CraftBukkit end
             } else {
-                if (world.tacoSpigotConfig.grassIgnoresLight || world.getLightLevel(blockposition.up()) >= 9) { // TacoSpigot - add an option to ignore light
+                if (world.paperSpigotConfig.grassIgnoresLight || world.getLightLevel(blockposition.up()) >= 9) { // TacoSpigot - add an option to ignore light
                     for (int i = 0; i < Math.min(4, Math.max(20, (int) (4 * 100F / world.growthOdds))); ++i) { // Spigot
                         BlockPosition blockposition1 = blockposition.a(random.nextInt(3) - 1, random.nextInt(5) - 3, random.nextInt(3) - 1);
                         Block block = world.getType(blockposition1.up()).getBlock();

eSpigot-Server/src/main/java/net/minecraft/server/BlockNote.java

@@ -1,5 +1,6 @@
 package net.minecraft.server;
 
+import com.elevatemc.spigot.util.Constants;
 import com.google.common.collect.Lists;
 import java.util.List;
 
@@ -76,7 +77,7 @@ public class BlockNote extends BlockContainer {
         float f = (float) Math.pow(2.0D, (double) (j - 12) / 12.0D);
 
         world.makeSound((double) blockposition.getX() + 0.5D, (double) blockposition.getY() + 0.5D, (double) blockposition.getZ() + 0.5D, "note." + this.b(i), 3.0F, f);
-        world.addParticle(EnumParticle.NOTE, (double) blockposition.getX() + 0.5D, (double) blockposition.getY() + 1.2D, (double) blockposition.getZ() + 0.5D, (double) j / 24.0D, 0.0D, 0.0D, new int[0]);
+        world.addParticle(EnumParticle.NOTE, (double) blockposition.getX() + 0.5D, (double) blockposition.getY() + 1.2D, (double) blockposition.getZ() + 0.5D, (double) j / 24.0D, 0.0D, 0.0D, Constants.EMPTY_ARRAY);
         return true;
     }
 

eSpigot-Server/src/main/java/net/minecraft/server/BlockPumpkin.java

@@ -1,5 +1,6 @@
 package net.minecraft.server;
 
+import com.elevatemc.spigot.util.Constants;
 import com.google.common.base.Predicate;
 
 // CraftBukkit start
@@ -65,7 +66,7 @@ public class BlockPumpkin extends BlockDirectional {
                 blockList.updateList();
 
             for (j = 0; j < 120; ++j) {
-                world.addParticle(EnumParticle.SNOW_SHOVEL, (double) blockposition1.getX() + world.random.nextDouble(), (double) blockposition1.getY() + world.random.nextDouble() * 2.5D, (double) blockposition1.getZ() + world.random.nextDouble(), 0.0D, 0.0D, 0.0D, new int[0]);
+                world.addParticle(EnumParticle.SNOW_SHOVEL, (double) blockposition1.getX() + world.random.nextDouble(), (double) blockposition1.getY() + world.random.nextDouble() * 2.5D, (double) blockposition1.getZ() + world.random.nextDouble(), 0.0D, 0.0D, 0.0D, Constants.EMPTY_ARRAY);
             }
 
             for (j = 0; j < this.getDetectorSnowGolem().b(); ++j) {
@@ -97,7 +98,7 @@ public class BlockPumpkin extends BlockDirectional {
                 blockList.updateList();
 
             for (j = 0; j < 120; ++j) {
-                world.addParticle(EnumParticle.SNOWBALL, (double) blockposition2.getX() + world.random.nextDouble(), (double) blockposition2.getY() + world.random.nextDouble() * 3.9D, (double) blockposition2.getZ() + world.random.nextDouble(), 0.0D, 0.0D, 0.0D, new int[0]);
+                world.addParticle(EnumParticle.SNOWBALL, (double) blockposition2.getX() + world.random.nextDouble(), (double) blockposition2.getY() + world.random.nextDouble() * 3.9D, (double) blockposition2.getZ() + world.random.nextDouble(), 0.0D, 0.0D, 0.0D, Constants.EMPTY_ARRAY);
             }
 
             for (j = 0; j < this.getDetectorIronGolem().c(); ++j) {

eSpigot-Server/src/main/java/net/minecraft/server/BlockRedstoneOre.java

@@ -3,6 +3,7 @@ package net.minecraft.server;
 import java.util.Random;
 
 // CraftBukkit start
+import com.elevatemc.spigot.util.Constants;
 import org.bukkit.craftbukkit.event.CraftEventFactory;
 import org.bukkit.event.entity.EntityInteractEvent;
 // CraftBukkit end
@@ -147,7 +148,7 @@ public class BlockRedstoneOre extends Block {
             }
 
             if (d1 < (double) blockposition.getX() || d1 > (double) (blockposition.getX() + 1) || d2 < 0.0D || d2 > (double) (blockposition.getY() + 1) || d3 < (double) blockposition.getZ() || d3 > (double) (blockposition.getZ() + 1)) {
-                world.addParticle(EnumParticle.REDSTONE, d1, d2, d3, 0.0D, 0.0D, 0.0D, new int[0]);
+                world.addParticle(EnumParticle.REDSTONE, d1, d2, d3, 0.0D, 0.0D, 0.0D, Constants.EMPTY_ARRAY);
             }
         }
 

eSpigot-Server/src/main/java/net/minecraft/server/BlockRedstoneTorch.java

@@ -2,6 +2,7 @@ package net.minecraft.server;
 
 import java.util.Random;
 
+import com.elevatemc.spigot.util.Constants;
 import org.bukkit.event.block.BlockRedstoneEvent; // CraftBukkit
 
 public class BlockRedstoneTorch extends BlockTorch {
@@ -152,7 +153,7 @@ public class BlockRedstoneTorch extends BlockTorch {
                         double d1 = blockposition.getY() + random.nextDouble() * 0.6D + 0.2D;
                         double d2 = blockposition.getZ() + random.nextDouble() * 0.6D + 0.2D;
 
-                        world.addParticle(EnumParticle.SMOKE_NORMAL, d0, d1, d2, 0.0D, 0.0D, 0.0D, new int[0]);
+                        world.addParticle(EnumParticle.SMOKE_NORMAL, d0, d1, d2, 0.0D, 0.0D, 0.0D, Constants.EMPTY_ARRAY);
                     }
 
                     world.a(blockposition, world.getType(blockposition).getBlock(), 160);

eSpigot-Server/src/main/java/net/minecraft/server/BlockSkull.java

@@ -1,5 +1,6 @@
 package net.minecraft.server;
 
+import com.elevatemc.spigot.util.Constants;
 import com.google.common.base.Predicate;
 import java.util.Iterator;
 import java.util.Random;
@@ -208,7 +209,7 @@ public class BlockSkull extends BlockContainer {
                 int k;
 
                 for (k = 0; k < 120; ++k) {
-                    world.addParticle(EnumParticle.SNOWBALL, (double) blockposition1.getX() + world.random.nextDouble(), (double) (blockposition1.getY() - 2) + world.random.nextDouble() * 3.9D, (double) blockposition1.getZ() + world.random.nextDouble(), 0.0D, 0.0D, 0.0D, new int[0]);
+                    world.addParticle(EnumParticle.SNOWBALL, (double) blockposition1.getX() + world.random.nextDouble(), (double) (blockposition1.getY() - 2) + world.random.nextDouble() * 3.9D, (double) blockposition1.getZ() + world.random.nextDouble(), 0.0D, 0.0D, 0.0D, Constants.EMPTY_ARRAY);
                 }
 
                 for (k = 0; k < shapedetector.c(); ++k) {

eSpigot-Server/src/main/java/net/minecraft/server/BlockStateList.java

@@ -26,7 +26,7 @@ import com.google.common.collect.Table;
 
 import net.techcable.tacospigot.ImmutableArrayMap;
 import net.techcable.tacospigot.ImmutableArrayTable;
-import net.techcable.tacospigot.TacoSpigotConfig;
+import org.github.paperspigot.PaperSpigotConfig;
 // TacoSpigot end
 
 public class BlockStateList {
@@ -126,7 +126,7 @@ public class BlockStateList {
             this.a = block;
             // TacoSpigot start
             this.bAsImmutableMap = immutablemap;
-            if (TacoSpigotConfig.useArraysForBlockStates) {
+            if (PaperSpigotConfig.useArraysForBlockStates) {
                 b = new ImmutableArrayMap<>(IBlockState.INDEXER, immutablemap);
             } else {
                 b = immutablemap;
@@ -195,7 +195,7 @@ public class BlockStateList {
                 }
 
                 // TacoSpigot start
-                if (TacoSpigotConfig.useArraysForBlockStates) {
+                if (PaperSpigotConfig.useArraysForBlockStates) {
                     this.c = new ImmutableArrayTable<IBlockState, Comparable, IBlockData> (
                             IBlockState.INDEXER,
                             (IBlockState state, Comparable value) -> state.getValueId(value),

eSpigot-Server/src/main/java/net/minecraft/server/Chunk.java

@@ -687,6 +687,44 @@ public class Chunk {
         return chunksection == null ? (this.d(blockposition) ? enumskyblock.c : 0) : (enumskyblock == EnumSkyBlock.SKY ? (this.world.worldProvider.o() ? 0 : chunksection.d(i, j & 15, k)) : (enumskyblock == EnumSkyBlock.BLOCK ? chunksection.e(i, j & 15, k) : enumskyblock.c));
     }
 
+    public int getBrightness(EnumSkyBlock enumskyblock, int blockposition_x, int blockposition_y, int blockposition_z) {
+        int i = blockposition_x & 15;
+        int j = blockposition_y;
+        int k = blockposition_z & 15;
+        ChunkSection chunksection = this.sections[j >> 4];
+
+        if(chunksection == null)
+        {
+            if(j >= this.heightMap[(k) << 4 | (i)])
+            {
+                return enumskyblock.c;
+            }
+        }
+        else
+        {
+            if(enumskyblock == EnumSkyBlock.SKY)
+            {
+                if(!this.world.worldProvider.o())
+                {
+                    return chunksection.d(i, j & 15, k);
+                }
+            }
+            else
+            {
+                if(enumskyblock == EnumSkyBlock.BLOCK)
+                {
+                    return chunksection.e(i, j & 15, k);
+                }
+                else
+                {
+                    return enumskyblock.c;
+                }
+            }
+        }
+
+        return 0;
+    }
+
     public void a(EnumSkyBlock enumskyblock, BlockPosition blockposition, int i) {
         int j = blockposition.getX() & 15;
         int k = blockposition.getY();
@@ -838,9 +876,10 @@ public class Chunk {
 
     public boolean isBelowHeightMap(int blockposition_x, int blockposition_y, int blockposition_z) {
         int i = blockposition_x & 15;
+        int j = blockposition_y;
         int k = blockposition_z & 15;
 
-        return blockposition_y >= this.heightMap[k << 4 | i];
+        return j >= this.heightMap[k << 4 | i];
     }
 
     public TileEntity i(BlockPosition blockposition) {

eSpigot-Server/src/main/java/net/minecraft/server/CommandAbstract.java

@@ -1,5 +1,6 @@
 package net.minecraft.server;
 
+import com.eatthepath.uuid.FastUUID;
 import com.google.common.base.Functions;
 import com.google.common.collect.Iterables;
 import com.google.common.collect.Lists;
@@ -139,7 +140,7 @@ public abstract class CommandAbstract implements ICommand {
 
         if (entityplayer == null) {
             try {
-                entityplayer = MinecraftServer.getServer().getPlayerList().a(UUID.fromString(s));
+                entityplayer = MinecraftServer.getServer().getPlayerList().a(FastUUID.parseUUID(s));
             } catch (IllegalArgumentException illegalargumentexception) {
                 ;
             }
@@ -170,7 +171,7 @@ public abstract class CommandAbstract implements ICommand {
 
         if (object == null) {
             try {
-                UUID uuid = UUID.fromString(s);
+                UUID uuid = FastUUID.parseUUID(s);
 
                 object = minecraftserver.a(uuid);
                 if (object == null) {

eSpigot-Server/src/main/java/net/minecraft/server/CommandScoreboard.java

@@ -475,7 +475,7 @@ public class CommandScoreboard extends CommandAbstract {
 
                     for (Object o : list) {
                         Entity entity = (Entity) o;
-                        if (!entity.world.tacoSpigotConfig.nonPlayerEntitiesOnScoreboards && !(entity instanceof EntityHuman))
+                        if (!entity.world.paperSpigotConfig.nonPlayerEntitiesOnScoreboards && !(entity instanceof EntityHuman))
                             continue; // TacoSpigot
                         String s2 = e(icommandlistener, entity.getUniqueID().toString());
 

eSpigot-Server/src/main/java/net/minecraft/server/DedicatedServer.java

@@ -1,5 +1,6 @@
 package net.minecraft.server;
 
+import com.elevatemc.spigot.config.SharedConfig;
 import com.elevatemc.spigot.console.PandaConsole;
 
 import java.io.File;
@@ -159,9 +160,9 @@ public class DedicatedServer extends MinecraftServer implements IMinecraftServer
         // PandaSpigot - Move SpigotConfig to load earlier, so that we can check IP forwarding status here.
         // Spigot start
         this.a(new DedicatedPlayerList(this));
-        org.spigotmc.SpigotConfig.init((File) options.valueOf("spigot-settings"));
-        org.spigotmc.SpigotConfig.registerCommands();
         // Spigot end
+        SharedConfig.registerCommands();
+
         java.net.SocketAddress bindAddress;
         if (this.getServerIp().startsWith("unix:")) {
             if (!io.netty.channel.epoll.Epoll.isAvailable()) {
@@ -189,12 +190,6 @@ public class DedicatedServer extends MinecraftServer implements IMinecraftServer
             bindAddress = new java.net.InetSocketAddress(inetaddress, this.R());
         }
 
-        // PandaSpigot end
-        // PaperSpigot start
-        org.github.paperspigot.PaperSpigotConfig.init((File) options.valueOf("paper-settings"));
-        org.github.paperspigot.PaperSpigotConfig.registerCommands();
-        // PaperSpigot end
-
         DedicatedServer.LOGGER.info("Generating keypair");
         this.a(MinecraftEncryption.b());
         DedicatedServer.LOGGER.info("Starting Minecraft server on " + (this.getServerIp().length() == 0 ? "*" : this.getServerIp()) + ":" + this.R());
@@ -295,16 +290,6 @@ public class DedicatedServer extends MinecraftServer implements IMinecraftServer
                 this.remoteConsole = new org.bukkit.craftbukkit.command.CraftRemoteConsoleCommandSender(); // CraftBukkit
             }
 
-            // CraftBukkit start
-            if (this.server.getBukkitSpawnRadius() > -1) {
-                DedicatedServer.LOGGER.info("'settings.spawn-radius' in bukkit.yml has been moved to 'spawn-protection' in server.properties. I will move your config for you.");
-                this.propertyManager.properties.remove("spawn-protection");
-                this.propertyManager.getInt("spawn-protection", this.server.getBukkitSpawnRadius());
-                this.server.removeBukkitSpawnRadius();
-                this.propertyManager.savePropertiesFile();
-            }
-            // CraftBukkit end
-
     if (org.spigotmc.SpigotConfig.lateBind) {
         try {
             this.aq().bind(bindAddress); // PandaSpigot - Unix domain socket support

eSpigot-Server/src/main/java/net/minecraft/server/Entity.java

@@ -4,6 +4,8 @@ import java.util.*;
 import java.util.concurrent.Callable;
 
 // CraftBukkit start
+import com.eatthepath.uuid.FastUUID;
+import com.elevatemc.spigot.util.Constants;
 import com.elevatemc.spigot.util.FastRandom;
 import org.apache.logging.log4j.LogManager;
 import org.bukkit.Bukkit;
@@ -557,7 +559,7 @@ public abstract class Entity implements ICommandListener {
             double xLength = totalArea.d - totalArea.a;
             double yLength = totalArea.e - totalArea.b;
             double zLength = totalArea.f - totalArea.c;
-            boolean axisScan = this.world.tacoSpigotConfig.optimizeTntMovement && xLength * yLength * zLength > 10;
+            boolean axisScan = this.world.paperSpigotConfig.optimizeTntMovement && xLength * yLength * zLength > 10;
 
             List list = this.world.getCubes(this, axisScan ? this.getBoundingBox().a(0, d1, 0) : totalArea);
             // TacoSpigot end
@@ -577,7 +579,7 @@ public abstract class Entity implements ICommandListener {
             Iterator iterator1;
 
             // eSpigot start - getCubesNoEntities
-            if(this.world.tacoSpigotConfig.fixEastWest && Math.abs(d0) > Math.abs(d2)) { //TacoSpigot - fix east/west cannoning by calculating the z movement before x if the x velocity is greater
+            if(this.world.paperSpigotConfig.fixEastWest && Math.abs(d0) > Math.abs(d2)) { //TacoSpigot - fix east/west cannoning by calculating the z movement before x if the x velocity is greater
             if(axisScan) list = this.world.getCubesNoEntities(this, this.getBoundingBox().a(0, 0, d2)); // TacoSpigot - get z axis blocks
 
             for (iterator1 = list.iterator(); iterator1.hasNext(); d2 = axisalignedbb2.c(this.getBoundingBox(), d2)) {
@@ -1053,13 +1055,13 @@ public abstract class Entity implements ICommandListener {
         for (i = 0; (float) i < 1.0F + this.width * 20.0F; ++i) {
             f2 = (this.random.nextFloat() * 2.0F - 1.0F) * this.width;
             f3 = (this.random.nextFloat() * 2.0F - 1.0F) * this.width;
-            this.world.addParticle(EnumParticle.WATER_BUBBLE, this.locX + (double) f2, f1 + 1.0F, this.locZ + (double) f3, this.motX, this.motY - (double) (this.random.nextFloat() * 0.2F), this.motZ, new int[0]);
+            this.world.addParticle(EnumParticle.WATER_BUBBLE, this.locX + (double) f2, f1 + 1.0F, this.locZ + (double) f3, this.motX, this.motY - (double) (this.random.nextFloat() * 0.2F), this.motZ, Constants.EMPTY_ARRAY);
         }
 
         for (i = 0; (float) i < 1.0F + this.width * 20.0F; ++i) {
             f2 = (this.random.nextFloat() * 2.0F - 1.0F) * this.width;
             f3 = (this.random.nextFloat() * 2.0F - 1.0F) * this.width;
-            this.world.addParticle(EnumParticle.WATER_SPLASH, this.locX + (double) f2, f1 + 1.0F, this.locZ + (double) f3, this.motX, this.motY, this.motZ, new int[0]);
+            this.world.addParticle(EnumParticle.WATER_SPLASH, this.locX + (double) f2, f1 + 1.0F, this.locZ + (double) f3, this.motX, this.motY, this.motZ, Constants.EMPTY_ARRAY);
         }
 
     }
@@ -1440,7 +1442,7 @@ public abstract class Entity implements ICommandListener {
             if (nbttagcompound.hasKeyOfType("UUIDMost", 4) && nbttagcompound.hasKeyOfType("UUIDLeast", 4)) {
                 this.uniqueID = new UUID(nbttagcompound.getLong("UUIDMost"), nbttagcompound.getLong("UUIDLeast"));
             } else if (nbttagcompound.hasKeyOfType("UUID", 8)) {
-                this.uniqueID = UUID.fromString(nbttagcompound.getString("UUID"));
+                this.uniqueID = FastUUID.parseUUID(nbttagcompound.getString("UUID"));
             }
 
             this.setPosition(this.locX, this.locY, this.locZ);

eSpigot-Server/src/main/java/net/minecraft/server/EntityAgeable.java

@@ -1,5 +1,7 @@
 package net.minecraft.server;
 
+import com.elevatemc.spigot.util.Constants;
+
 public abstract class EntityAgeable extends EntityCreature {
 
     protected int a;
@@ -140,7 +142,7 @@ public abstract class EntityAgeable extends EntityCreature {
         if (this.world.isClientSide || ageLocked) { // CraftBukkit
             if (this.c > 0) {
                 if (this.c % 4 == 0) {
-                    this.world.addParticle(EnumParticle.VILLAGER_HAPPY, this.locX + (double) (this.random.nextFloat() * this.width * 2.0F) - (double) this.width, this.locY + 0.5D + (double) (this.random.nextFloat() * this.length), this.locZ + (double) (this.random.nextFloat() * this.width * 2.0F) - (double) this.width, 0.0D, 0.0D, 0.0D, new int[0]);
+                    this.world.addParticle(EnumParticle.VILLAGER_HAPPY, this.locX + (double) (this.random.nextFloat() * this.width * 2.0F) - (double) this.width, this.locY + 0.5D + (double) (this.random.nextFloat() * this.length), this.locZ + (double) (this.random.nextFloat() * this.width * 2.0F) - (double) this.width, 0.0D, 0.0D, 0.0D, Constants.EMPTY_ARRAY);
                 }
 
                 --this.c;

eSpigot-Server/src/main/java/net/minecraft/server/EntityAnimal.java

@@ -1,5 +1,7 @@
 package net.minecraft.server;
 
+import com.elevatemc.spigot.util.Constants;
+
 public abstract class EntityAnimal extends EntityAgeable implements IAnimal {
 
     protected Block bn;
@@ -32,7 +34,7 @@ public abstract class EntityAnimal extends EntityAgeable implements IAnimal {
                 double d1 = this.random.nextGaussian() * 0.02D;
                 double d2 = this.random.nextGaussian() * 0.02D;
 
-                this.world.addParticle(EnumParticle.HEART, this.locX + (double) (this.random.nextFloat() * this.width * 2.0F) - (double) this.width, this.locY + 0.5D + (double) (this.random.nextFloat() * this.length), this.locZ + (double) (this.random.nextFloat() * this.width * 2.0F) - (double) this.width, d0, d1, d2, new int[0]);
+                this.world.addParticle(EnumParticle.HEART, this.locX + (double) (this.random.nextFloat() * this.width * 2.0F) - (double) this.width, this.locY + 0.5D + (double) (this.random.nextFloat() * this.length), this.locZ + (double) (this.random.nextFloat() * this.width * 2.0F) - (double) this.width, d0, d1, d2, Constants.EMPTY_ARRAY);
             }
         }
 

eSpigot-Server/src/main/java/net/minecraft/server/EntityArmorStand.java

@@ -714,7 +714,7 @@ public class EntityArmorStand extends EntityLiving {
     // TacoSpigot start - add an option to make armor stands not move
     @Override
     public void move(double motX, double motY, double motZ) {
-        if (getWorld().tacoSpigotConfig.optimizeArmorStandMovement) return;
+        if (getWorld().paperSpigotConfig.optimizeArmorStandMovement) return;
         super.move(motX, motY, motZ);
     }
     // TacoSpigot end

eSpigot-Server/src/main/java/net/minecraft/server/EntityArrow.java

@@ -3,6 +3,7 @@ package net.minecraft.server;
 import java.util.List;
 
 // CraftBukkit start
+import com.elevatemc.spigot.util.Constants;
 import org.bukkit.entity.LivingEntity;
 import org.bukkit.event.entity.EntityCombustByEntityEvent;
 import org.bukkit.event.player.PlayerPickupItemEvent;
@@ -342,7 +343,7 @@ public class EntityArrow extends Entity implements IProjectile {
 
             if (this.isCritical()) {
                 for (j = 0; j < 4; ++j) {
-                    this.world.addParticle(EnumParticle.CRIT, this.locX + this.motX * (double) j / 4.0D, this.locY + this.motY * (double) j / 4.0D, this.locZ + this.motZ * (double) j / 4.0D, -this.motX, -this.motY + 0.2D, -this.motZ, new int[0]);
+                    this.world.addParticle(EnumParticle.CRIT, this.locX + this.motX * (double) j / 4.0D, this.locY + this.motY * (double) j / 4.0D, this.locZ + this.motZ * (double) j / 4.0D, -this.motX, -this.motY + 0.2D, -this.motZ, Constants.EMPTY_ARRAY);
                 }
             }
 
@@ -375,7 +376,7 @@ public class EntityArrow extends Entity implements IProjectile {
             if (this.V()) {
                 for (int l = 0; l < 4; ++l) {
                     f3 = 0.25F;
-                    this.world.addParticle(EnumParticle.WATER_BUBBLE, this.locX - this.motX * (double) f3, this.locY - this.motY * (double) f3, this.locZ - this.motZ * (double) f3, this.motX, this.motY, this.motZ, new int[0]);
+                    this.world.addParticle(EnumParticle.WATER_BUBBLE, this.locX - this.motX * (double) f3, this.locY - this.motY * (double) f3, this.locZ - this.motZ * (double) f3, this.motX, this.motY, this.motZ, Constants.EMPTY_ARRAY);
                 }
 
                 f4 = 0.6F;

eSpigot-Server/src/main/java/net/minecraft/server/EntityBlaze.java

@@ -1,5 +1,7 @@
 package net.minecraft.server;
 
+import com.elevatemc.spigot.util.Constants;
+
 public class EntityBlaze extends EntityMonster {
 
     private float a = 0.5F;
@@ -57,7 +59,7 @@ public class EntityBlaze extends EntityMonster {
             }
 
             for (int i = 0; i < 2; ++i) {
-                this.world.addParticle(EnumParticle.SMOKE_LARGE, this.locX + (this.random.nextDouble() - 0.5D) * (double) this.width, this.locY + this.random.nextDouble() * (double) this.length, this.locZ + (this.random.nextDouble() - 0.5D) * (double) this.width, 0.0D, 0.0D, 0.0D, new int[0]);
+                this.world.addParticle(EnumParticle.SMOKE_LARGE, this.locX + (this.random.nextDouble() - 0.5D) * (double) this.width, this.locY + this.random.nextDouble() * (double) this.length, this.locZ + (this.random.nextDouble() - 0.5D) * (double) this.width, 0.0D, 0.0D, 0.0D, Constants.EMPTY_ARRAY);
             }
         }
 

eSpigot-Server/src/main/java/net/minecraft/server/EntityBoat.java

@@ -3,6 +3,7 @@ package net.minecraft.server;
 import java.util.List;
 
 // CraftBukkit start
+import com.elevatemc.spigot.util.Constants;
 import org.bukkit.Location;
 import org.bukkit.craftbukkit.event.CraftEventFactory;
 import org.bukkit.entity.Vehicle;
@@ -200,11 +201,11 @@ public class EntityBoat extends Entity {
                 if (this.random.nextBoolean()) {
                     d8 = this.locX - d4 * d6 * 0.8D + d5 * d7;
                     d9 = this.locZ - d5 * d6 * 0.8D - d4 * d7;
-                    this.world.addParticle(EnumParticle.WATER_SPLASH, d8, this.locY - 0.125D, d9, this.motX, this.motY, this.motZ, new int[0]);
+                    this.world.addParticle(EnumParticle.WATER_SPLASH, d8, this.locY - 0.125D, d9, this.motX, this.motY, this.motZ, Constants.EMPTY_ARRAY);
                 } else {
                     d8 = this.locX + d4 + d5 * d6 * 0.7D;
                     d9 = this.locZ + d5 - d4 * d6 * 0.7D;
-                    this.world.addParticle(EnumParticle.WATER_SPLASH, d8, this.locY - 0.125D, d9, this.motX, this.motY, this.motZ, new int[0]);
+                    this.world.addParticle(EnumParticle.WATER_SPLASH, d8, this.locY - 0.125D, d9, this.motX, this.motY, this.motZ, Constants.EMPTY_ARRAY);
                 }
             }
         }

eSpigot-Server/src/main/java/net/minecraft/server/EntityCreature.java

@@ -3,6 +3,7 @@ package net.minecraft.server;
 import java.util.UUID;
 
 // CraftBukkit start
+import com.eatthepath.uuid.FastUUID;
 import com.elevatemc.spigot.pathsearch.jobs.PathSearchJob;
 import com.elevatemc.spigot.pathsearch.jobs.PathSearchJobEntity;
 import com.elevatemc.spigot.pathsearch.jobs.PathSearchJobPosition;
@@ -12,7 +13,7 @@ import org.bukkit.event.entity.EntityUnleashEvent;
 
 public abstract class EntityCreature extends EntityInsentient {
 
-    public static final UUID bk = UUID.fromString("E199AD21-BA8A-4C53-8D13-6182D5C69D3A");
+    public static final UUID bk = FastUUID.parseUUID("E199AD21-BA8A-4C53-8D13-6182D5C69D3A");
     public static final AttributeModifier bl = (new AttributeModifier(EntityCreature.bk, "Fleeing speed bonus", 2.0D, 2)).a(false);
     private BlockPosition a;
     private float b;

eSpigot-Server/src/main/java/net/minecraft/server/EntityEnderDragon.java

@@ -1,5 +1,6 @@
 package net.minecraft.server;
 
+import com.elevatemc.spigot.util.Constants;
 import com.google.common.collect.Lists;
 import java.util.ArrayList;
 import java.util.Iterator;
@@ -99,7 +100,7 @@ public class EntityEnderDragon extends EntityInsentient implements IComplex, IMo
             f = (this.random.nextFloat() - 0.5F) * 8.0F;
             f1 = (this.random.nextFloat() - 0.5F) * 4.0F;
             f2 = (this.random.nextFloat() - 0.5F) * 8.0F;
-            this.world.addParticle(EnumParticle.EXPLOSION_LARGE, this.locX + (double) f, this.locY + 2.0D + (double) f1, this.locZ + (double) f2, 0.0D, 0.0D, 0.0D, new int[0]);
+            this.world.addParticle(EnumParticle.EXPLOSION_LARGE, this.locX + (double) f, this.locY + 2.0D + (double) f1, this.locZ + (double) f2, 0.0D, 0.0D, 0.0D, Constants.EMPTY_ARRAY);
         } else {
             this.n();
             f = 0.2F / (MathHelper.sqrt(this.motX * this.motX + this.motZ * this.motZ) * 10.0F + 1.0F);
@@ -498,7 +499,7 @@ public class EntityEnderDragon extends EntityInsentient implements IComplex, IMo
             double d1 = axisalignedbb.b + (axisalignedbb.e - axisalignedbb.b) * (double) this.random.nextFloat();
             double d2 = axisalignedbb.c + (axisalignedbb.f - axisalignedbb.c) * (double) this.random.nextFloat();
 
-            this.world.addParticle(EnumParticle.EXPLOSION_LARGE, d0, d1, d2, 0.0D, 0.0D, 0.0D, new int[0]);
+            this.world.addParticle(EnumParticle.EXPLOSION_LARGE, d0, d1, d2, 0.0D, 0.0D, 0.0D, Constants.EMPTY_ARRAY);
         }
 
         return flag;
@@ -548,7 +549,7 @@ public class EntityEnderDragon extends EntityInsentient implements IComplex, IMo
             float f1 = (this.random.nextFloat() - 0.5F) * 4.0F;
             float f2 = (this.random.nextFloat() - 0.5F) * 8.0F;
 
-            this.world.addParticle(EnumParticle.EXPLOSION_HUGE, this.locX + (double) f, this.locY + 2.0D + (double) f1, this.locZ + (double) f2, 0.0D, 0.0D, 0.0D, new int[0]);
+            this.world.addParticle(EnumParticle.EXPLOSION_HUGE, this.locX + (double) f, this.locY + 2.0D + (double) f1, this.locZ + (double) f2, 0.0D, 0.0D, 0.0D, Constants.EMPTY_ARRAY);
         }
 
         boolean flag = this.world.getGameRules().getBoolean("doMobLoot");

eSpigot-Server/src/main/java/net/minecraft/server/EntityEnderSignal.java

@@ -1,5 +1,7 @@
 package net.minecraft.server;
 
+import com.elevatemc.spigot.util.Constants;
+
 public class EntityEnderSignal extends Entity {
 
     private double a;
@@ -99,10 +101,10 @@ public class EntityEnderSignal extends Entity {
 
         if (this.V()) {
             for (int i = 0; i < 4; ++i) {
-                this.world.addParticle(EnumParticle.WATER_BUBBLE, this.locX - this.motX * (double) f3, this.locY - this.motY * (double) f3, this.locZ - this.motZ * (double) f3, this.motX, this.motY, this.motZ, new int[0]);
+                this.world.addParticle(EnumParticle.WATER_BUBBLE, this.locX - this.motX * (double) f3, this.locY - this.motY * (double) f3, this.locZ - this.motZ * (double) f3, this.motX, this.motY, this.motZ, Constants.EMPTY_ARRAY);
             }
         } else {
-            this.world.addParticle(EnumParticle.PORTAL, this.locX - this.motX * (double) f3 + this.random.nextDouble() * 0.6D - 0.3D, this.locY - this.motY * (double) f3 - 0.5D, this.locZ - this.motZ * (double) f3 + this.random.nextDouble() * 0.6D - 0.3D, this.motX, this.motY, this.motZ, new int[0]);
+            this.world.addParticle(EnumParticle.PORTAL, this.locX - this.motX * (double) f3 + this.random.nextDouble() * 0.6D - 0.3D, this.locY - this.motY * (double) f3 - 0.5D, this.locZ - this.motZ * (double) f3 + this.random.nextDouble() * 0.6D - 0.3D, this.motX, this.motY, this.motZ, Constants.EMPTY_ARRAY);
         }
 
         if (!this.world.isClientSide) {

eSpigot-Server/src/main/java/net/minecraft/server/EntityEnderman.java

@@ -1,8 +1,9 @@
 package net.minecraft.server;
 
+import com.eatthepath.uuid.FastUUID;
+import com.elevatemc.spigot.util.Constants;
 import com.google.common.base.Predicate;
 import com.google.common.collect.Sets;
-import java.util.Collections;
 import java.util.List;
 import java.util.Random;
 import java.util.Set;
@@ -15,7 +16,7 @@ import org.bukkit.event.entity.EntityTeleportEvent;
 
 public class EntityEnderman extends EntityMonster {
 
-    private static final UUID a = UUID.fromString("020E0DFB-87AE-4653-9556-831010E291A0");
+    private static final UUID a = FastUUID.parseUUID("020E0DFB-87AE-4653-9556-831010E291A0");
     private static final AttributeModifier b = (new AttributeModifier(EntityEnderman.a, "Attacking speed boost", 0.15000000596046448D, 0)).a(false);
     private static final Set<Block> c = Sets.newIdentityHashSet();
     private boolean bm;
@@ -104,7 +105,7 @@ public class EntityEnderman extends EntityMonster {
     public void m() {
         if (this.world.isClientSide) {
             for (int i = 0; i < 2; ++i) {
-                this.world.addParticle(EnumParticle.PORTAL, this.locX + (this.random.nextDouble() - 0.5D) * (double) this.width, this.locY + this.random.nextDouble() * (double) this.length - 0.25D, this.locZ + (this.random.nextDouble() - 0.5D) * (double) this.width, (this.random.nextDouble() - 0.5D) * 2.0D, -this.random.nextDouble(), (this.random.nextDouble() - 0.5D) * 2.0D, new int[0]);
+                this.world.addParticle(EnumParticle.PORTAL, this.locX + (this.random.nextDouble() - 0.5D) * (double) this.width, this.locY + this.random.nextDouble() * (double) this.length - 0.25D, this.locZ + (this.random.nextDouble() - 0.5D) * (double) this.width, (this.random.nextDouble() - 0.5D) * 2.0D, -this.random.nextDouble(), (this.random.nextDouble() - 0.5D) * 2.0D, Constants.EMPTY_ARRAY);
             }
         }
 
@@ -214,7 +215,7 @@ public class EntityEnderman extends EntityMonster {
                 double d8 = d4 + (this.locY - d4) * d6 + this.random.nextDouble() * (double) this.length;
                 double d9 = d5 + (this.locZ - d5) * d6 + (this.random.nextDouble() - 0.5D) * (double) this.width * 2.0D;
 
-                this.world.addParticle(EnumParticle.PORTAL, d7, d8, d9, f, f1, f2, new int[0]);
+                this.world.addParticle(EnumParticle.PORTAL, d7, d8, d9, f, f1, f2, Constants.EMPTY_ARRAY);
             }
 
             this.world.makeSound(d3, d4, d5, "mob.endermen.portal", 1.0F, 1.0F);

eSpigot-Server/src/main/java/net/minecraft/server/EntityEndermite.java

@@ -1,5 +1,7 @@
 package net.minecraft.server;
 
+import com.elevatemc.spigot.util.Constants;
+
 public class EntityEndermite extends EntityMonster {
 
     private int a = 0;
@@ -82,7 +84,7 @@ public class EntityEndermite extends EntityMonster {
         super.m();
         if (this.world.isClientSide) {
             for (int i = 0; i < 2; ++i) {
-                this.world.addParticle(EnumParticle.PORTAL, this.locX + (this.random.nextDouble() - 0.5D) * (double) this.width, this.locY + this.random.nextDouble() * (double) this.length, this.locZ + (this.random.nextDouble() - 0.5D) * (double) this.width, (this.random.nextDouble() - 0.5D) * 2.0D, -this.random.nextDouble(), (this.random.nextDouble() - 0.5D) * 2.0D, new int[0]);
+                this.world.addParticle(EnumParticle.PORTAL, this.locX + (this.random.nextDouble() - 0.5D) * (double) this.width, this.locY + this.random.nextDouble() * (double) this.length, this.locZ + (this.random.nextDouble() - 0.5D) * (double) this.width, (this.random.nextDouble() - 0.5D) * 2.0D, -this.random.nextDouble(), (this.random.nextDouble() - 0.5D) * 2.0D, Constants.EMPTY_ARRAY);
             }
         } else {
             if (!this.isPersistent()) {

eSpigot-Server/src/main/java/net/minecraft/server/EntityFallingBlock.java

@@ -113,7 +113,7 @@ public class EntityFallingBlock extends Entity {
                     if (this.world.getType(blockposition).getBlock() != Blocks.PISTON_EXTENSION) {
                         this.die();
                         if (!this.e) {
-                            if (this.world.a(block, blockposition, true, EnumDirection.UP, null, null) && !BlockFalling.canFall(this.world, blockposition.down()) /* mimic the false conditions of setTypeIdAndData */ && blockposition.getX() >= -30000000 && blockposition.getZ() >= -30000000 && blockposition.getX() < 30000000 && blockposition.getZ() < 30000000 && blockposition.getY() >= 0 && blockposition.getY() < (this.world.tacoSpigotConfig.disableFallingBlockStackingAt256 ? 255 : 256) && this.world.getType(blockposition) != this.block) {
+                            if (this.world.a(block, blockposition, true, EnumDirection.UP, null, null) && !BlockFalling.canFall(this.world, blockposition.down()) /* mimic the false conditions of setTypeIdAndData */ && blockposition.getX() >= -30000000 && blockposition.getZ() >= -30000000 && blockposition.getX() < 30000000 && blockposition.getZ() < 30000000 && blockposition.getY() >= 0 && blockposition.getY() < (this.world.paperSpigotConfig.disableFallingBlockStackingAt256 ? 255 : 256) && this.world.getType(blockposition) != this.block) {
                                 if (CraftEventFactory.callEntityChangeBlockEvent(this, blockposition.getX(), blockposition.getY(), blockposition.getZ(), this.block.getBlock(), this.block.getBlock().toLegacyData(this.block)).isCancelled()) {
                                     return;
                                 }

eSpigot-Server/src/main/java/net/minecraft/server/EntityFireball.java

@@ -2,6 +2,7 @@ package net.minecraft.server;
 
 import java.util.List;
 
+import com.elevatemc.spigot.util.Constants;
 import org.bukkit.craftbukkit.event.CraftEventFactory; // CraftBukkit
 
 public abstract class EntityFireball extends Entity {
@@ -166,7 +167,7 @@ public abstract class EntityFireball extends Entity {
                 for (int j = 0; j < 4; ++j) {
                     float f3 = 0.25F;
 
-                    this.world.addParticle(EnumParticle.WATER_BUBBLE, this.locX - this.motX * (double) f3, this.locY - this.motY * (double) f3, this.locZ - this.motZ * (double) f3, this.motX, this.motY, this.motZ, new int[0]);
+                    this.world.addParticle(EnumParticle.WATER_BUBBLE, this.locX - this.motX * (double) f3, this.locY - this.motY * (double) f3, this.locZ - this.motZ * (double) f3, this.motX, this.motY, this.motZ, Constants.EMPTY_ARRAY);
                 }
 
                 f2 = 0.8F;
@@ -178,7 +179,7 @@ public abstract class EntityFireball extends Entity {
             this.motX *= f2;
             this.motY *= f2;
             this.motZ *= f2;
-            this.world.addParticle(EnumParticle.SMOKE_NORMAL, this.locX, this.locY + 0.5D, this.locZ, 0.0D, 0.0D, 0.0D, new int[0]);
+            this.world.addParticle(EnumParticle.SMOKE_NORMAL, this.locX, this.locY + 0.5D, this.locZ, 0.0D, 0.0D, 0.0D, Constants.EMPTY_ARRAY);
             this.setPosition(this.locX, this.locY, this.locZ);
         }
     }

eSpigot-Server/src/main/java/net/minecraft/server/EntityFireworks.java

@@ -1,5 +1,7 @@
 package net.minecraft.server;
 
+import com.elevatemc.spigot.util.Constants;
+
 public class EntityFireworks extends Entity {
 
     private int ticksFlown;
@@ -82,7 +84,7 @@ public class EntityFireworks extends Entity {
 
         ++this.ticksFlown;
         if (this.world.isClientSide && this.ticksFlown % 2 < 2) {
-            this.world.addParticle(EnumParticle.FIREWORKS_SPARK, this.locX, this.locY - 0.3D, this.locZ, this.random.nextGaussian() * 0.05D, -this.motY * 0.5D, this.random.nextGaussian() * 0.05D, new int[0]);
+            this.world.addParticle(EnumParticle.FIREWORKS_SPARK, this.locX, this.locY - 0.3D, this.locZ, this.random.nextGaussian() * 0.05D, -this.motY * 0.5D, this.random.nextGaussian() * 0.05D, Constants.EMPTY_ARRAY);
         }
 
         if (!this.world.isClientSide && this.ticksFlown > this.expectedLifespan) {

eSpigot-Server/src/main/java/net/minecraft/server/EntityFishingHook.java

@@ -4,6 +4,7 @@ import java.util.Arrays;
 import java.util.List;
 
 // CraftBukkit start
+import com.elevatemc.spigot.util.Constants;
 import org.bukkit.entity.Player;
 import org.bukkit.entity.Fish;
 import org.bukkit.event.player.PlayerFishEvent;
@@ -288,8 +289,8 @@ public class EntityFishingHook extends Entity {
                                 this.motY -= 0.20000000298023224D;
                                 this.makeSound("random.splash", 0.25F, 1.0F + (this.random.nextFloat() - this.random.nextFloat()) * 0.4F);
                                 f3 = (float) MathHelper.floor(this.getBoundingBox().b);
-                                worldserver.a(EnumParticle.WATER_BUBBLE, this.locX, f3 + 1.0F, this.locZ, (int) (1.0F + this.width * 20.0F), this.width, 0.0D, this.width, 0.20000000298023224D, new int[0]);
+                                worldserver.a(EnumParticle.WATER_BUBBLE, this.locX, f3 + 1.0F, this.locZ, (int) (1.0F + this.width * 20.0F), this.width, 0.0D, this.width, 0.20000000298023224D, Constants.EMPTY_ARRAY);
-                                worldserver.a(EnumParticle.WATER_WAKE, this.locX, f3 + 1.0F, this.locZ, (int) (1.0F + this.width * 20.0F), this.width, 0.0D, this.width, 0.20000000298023224D, new int[0]);
+                                worldserver.a(EnumParticle.WATER_WAKE, this.locX, f3 + 1.0F, this.locZ, (int) (1.0F + this.width * 20.0F), this.width, 0.0D, this.width, 0.20000000298023224D, Constants.EMPTY_ARRAY);
                                 this.av = MathHelper.nextInt(this.random, 10, 30);
                             } else {
                                 this.ay = (float) ((double) this.ay + this.random.nextGaussian() * 4.0D);
@@ -302,14 +303,14 @@ public class EntityFishingHook extends Entity {
                                 block = worldserver.getType(new BlockPosition((int) d8, (int) d12 - 1, (int) d11)).getBlock();
                                 if (block == Blocks.WATER || block == Blocks.FLOWING_WATER) {
                                     if (this.random.nextFloat() < 0.15F) {
-                                        worldserver.a(EnumParticle.WATER_BUBBLE, d8, d12 - 0.10000000149011612D, d11, 1, f5, 0.1D, f4, 0.0D, new int[0]);
+                                        worldserver.a(EnumParticle.WATER_BUBBLE, d8, d12 - 0.10000000149011612D, d11, 1, f5, 0.1D, f4, 0.0D, Constants.EMPTY_ARRAY);
                                     }
 
                                     float f6 = f5 * 0.04F;
                                     float f7 = f4 * 0.04F;
 
-                                    worldserver.a(EnumParticle.WATER_WAKE, d8, d12, d11, 0, f7, 0.01D, -f6, 1.0D, new int[0]);
+                                    worldserver.a(EnumParticle.WATER_WAKE, d8, d12, d11, 0, f7, 0.01D, -f6, 1.0D, Constants.EMPTY_ARRAY);
-                                    worldserver.a(EnumParticle.WATER_WAKE, d8, d12, d11, 0, -f7, 0.01D, f6, 1.0D, new int[0]);
+                                    worldserver.a(EnumParticle.WATER_WAKE, d8, d12, d11, 0, -f7, 0.01D, f6, 1.0D, Constants.EMPTY_ARRAY);
                                 }
                             }
                         } else if (this.aw > 0) {
@@ -331,7 +332,7 @@ public class EntityFishingHook extends Entity {
                                 d11 = this.locZ + (double) (MathHelper.cos(f5) * f4 * 0.1F);
                                 block = worldserver.getType(new BlockPosition((int) d8, (int) d12 - 1, (int) d11)).getBlock();
                                 if (block == Blocks.WATER || block == Blocks.FLOWING_WATER) {
-                                    worldserver.a(EnumParticle.WATER_SPLASH, d8, d12, d11, 2 + this.random.nextInt(2), 0.10000000149011612D, 0.0D, 0.10000000149011612D, 0.0D, new int[0]);
+                                    worldserver.a(EnumParticle.WATER_SPLASH, d8, d12, d11, 2 + this.random.nextInt(2), 0.10000000149011612D, 0.0D, 0.10000000149011612D, 0.0D, Constants.EMPTY_ARRAY);
                                 }
                             }
 

eSpigot-Server/src/main/java/net/minecraft/server/EntityGuardian.java

@@ -1,5 +1,6 @@
 package net.minecraft.server;
 
+import com.elevatemc.spigot.util.Constants;
 import com.google.common.base.Predicate;
 import java.util.Iterator;
 import java.util.List;
@@ -211,7 +212,7 @@ public class EntityGuardian extends EntityMonster {
                 Vec3D vec3d = this.d(0.0F);
 
                 for (int i = 0; i < 2; ++i) {
-                    this.world.addParticle(EnumParticle.WATER_BUBBLE, this.locX + (this.random.nextDouble() - 0.5D) * (double) this.width - vec3d.a * 1.5D, this.locY + this.random.nextDouble() * (double) this.length - vec3d.b * 1.5D, this.locZ + (this.random.nextDouble() - 0.5D) * (double) this.width - vec3d.c * 1.5D, 0.0D, 0.0D, 0.0D, new int[0]);
+                    this.world.addParticle(EnumParticle.WATER_BUBBLE, this.locX + (this.random.nextDouble() - 0.5D) * (double) this.width - vec3d.a * 1.5D, this.locY + this.random.nextDouble() * (double) this.length - vec3d.b * 1.5D, this.locZ + (this.random.nextDouble() - 0.5D) * (double) this.width - vec3d.c * 1.5D, 0.0D, 0.0D, 0.0D, Constants.EMPTY_ARRAY);
                 }
             }
 
@@ -238,7 +239,7 @@ public class EntityGuardian extends EntityMonster {
 
                     while (d5 < d4) {
                         d5 += 1.8D - d0 + this.random.nextDouble() * (1.7D - d0);
-                        this.world.addParticle(EnumParticle.WATER_BUBBLE, this.locX + d1 * d5, this.locY + d2 * d5 + (double) this.getHeadHeight(), this.locZ + d3 * d5, 0.0D, 0.0D, 0.0D, new int[0]);
+                        this.world.addParticle(EnumParticle.WATER_BUBBLE, this.locX + d1 * d5, this.locY + d2 * d5 + (double) this.getHeadHeight(), this.locZ + d3 * d5, 0.0D, 0.0D, 0.0D, Constants.EMPTY_ARRAY);
                     }
                 }
             }

eSpigot-Server/src/main/java/net/minecraft/server/EntityInsentient.java

@@ -7,6 +7,7 @@ import java.util.UUID;
 
 // CraftBukkit start
 import com.elevatemc.spigot.pathsearch.AsyncNavigation;
+import com.elevatemc.spigot.util.Constants;
 import org.bukkit.craftbukkit.event.CraftEventFactory;
 import org.bukkit.craftbukkit.entity.CraftLivingEntity;
 import org.bukkit.event.entity.EntityTargetLivingEntityEvent;
@@ -184,7 +185,7 @@ public abstract class EntityInsentient extends EntityLiving {
                 double d2 = this.random.nextGaussian() * 0.02D;
                 double d3 = 10.0D;
 
-                this.world.addParticle(EnumParticle.EXPLOSION_NORMAL, this.locX + (double) (this.random.nextFloat() * this.width * 2.0F) - (double) this.width - d0 * d3, this.locY + (double) (this.random.nextFloat() * this.length) - d1 * d3, this.locZ + (double) (this.random.nextFloat() * this.width * 2.0F) - (double) this.width - d2 * d3, d0, d1, d2, new int[0]);
+                this.world.addParticle(EnumParticle.EXPLOSION_NORMAL, this.locX + (double) (this.random.nextFloat() * this.width * 2.0F) - (double) this.width - d0 * d3, this.locY + (double) (this.random.nextFloat() * this.length) - d1 * d3, this.locZ + (double) (this.random.nextFloat() * this.width * 2.0F) - (double) this.width - d2 * d3, d0, d1, d2, Constants.EMPTY_ARRAY);
             }
         } else {
             this.world.broadcastEntityEffect(this, (byte) 20);

eSpigot-Server/src/main/java/net/minecraft/server/EntityLiving.java

@@ -1,5 +1,8 @@
 package net.minecraft.server;
 
+import com.eatthepath.uuid.FastUUID;
+import com.elevatemc.spigot.config.eSpigotConfig;
+import com.elevatemc.spigot.util.Constants;
 import com.google.common.base.Predicate;
 import com.google.common.base.Predicates;
 import com.google.common.collect.Maps;
@@ -28,14 +31,13 @@ import org.bukkit.event.vehicle.VehicleExitEvent;
 
 // PaperSpigot start
 import org.bukkit.Bukkit;
-import com.elevatemc.spigot.eSpigotFeature;
 import com.elevatemc.spigot.eSpigot;
 import org.spigotmc.event.entity.EntityDismountEvent;
 // PaperSpigot end
 
 public abstract class EntityLiving extends Entity {
 
-    private static final UUID a = UUID.fromString("662A6B8D-DA3E-4C1C-8813-96EA6097278D");
+    private static final UUID a = FastUUID.parseUUID("662A6B8D-DA3E-4C1C-8813-96EA6097278D");
     private static final AttributeModifier b = (new AttributeModifier(EntityLiving.a, "Sprinting speed boost", 0.30000001192092896D, 2)).a(false);
     private AttributeMapBase c;
     public CombatTracker combatTracker = new CombatTracker(this);
@@ -214,7 +216,7 @@ public abstract class EntityLiving extends Entity {
                             float f1 = this.random.nextFloat() - this.random.nextFloat();
                             float f2 = this.random.nextFloat() - this.random.nextFloat();
 
-                            this.world.addParticle(EnumParticle.WATER_BUBBLE, this.locX + (double) f, this.locY + (double) f1, this.locZ + (double) f2, this.motX, this.motY, this.motZ, new int[0]);
+                            this.world.addParticle(EnumParticle.WATER_BUBBLE, this.locX + (double) f, this.locY + (double) f1, this.locZ + (double) f2, this.motX, this.motY, this.motZ, Constants.EMPTY_ARRAY);
                         }
 
                         this.damageEntity(DamageSource.DROWN, 2.0F);
@@ -315,7 +317,7 @@ public abstract class EntityLiving extends Entity {
                 double d1 = this.random.nextGaussian() * 0.02D;
                 double d2 = this.random.nextGaussian() * 0.02D;
 
-                this.world.addParticle(EnumParticle.EXPLOSION_NORMAL, this.locX + (double) (this.random.nextFloat() * this.width * 2.0F) - (double) this.width, this.locY + (double) (this.random.nextFloat() * this.length), this.locZ + (double) (this.random.nextFloat() * this.width * 2.0F) - (double) this.width, d0, d1, d2, new int[0]);
+                this.world.addParticle(EnumParticle.EXPLOSION_NORMAL, this.locX + (double) (this.random.nextFloat() * this.width * 2.0F) - (double) this.width, this.locY + (double) (this.random.nextFloat() * this.length), this.locZ + (double) (this.random.nextFloat() * this.width * 2.0F) - (double) this.width, d0, d1, d2, Constants.EMPTY_ARRAY);
             }
         }
 
@@ -539,7 +541,7 @@ public abstract class EntityLiving extends Entity {
                 double d1 = (double) (i >> 8 & 255) / 255.0D;
                 double d2 = (double) (i & 255) / 255.0D;
 
-                this.world.addParticle(flag ? EnumParticle.SPELL_MOB_AMBIENT : EnumParticle.SPELL_MOB, this.locX + (this.random.nextDouble() - 0.5D) * (double) this.width, this.locY + this.random.nextDouble() * (double) this.length, this.locZ + (this.random.nextDouble() - 0.5D) * (double) this.width, d0, d1, d2, new int[0]);
+                this.world.addParticle(flag ? EnumParticle.SPELL_MOB_AMBIENT : EnumParticle.SPELL_MOB, this.locX + (this.random.nextDouble() - 0.5D) * (double) this.width, this.locY + this.random.nextDouble() * (double) this.length, this.locZ + (this.random.nextDouble() - 0.5D) * (double) this.width, d0, d1, d2, Constants.EMPTY_ARRAY);
             }
         }
 
@@ -1664,7 +1666,7 @@ public abstract class EntityLiving extends Entity {
             this.ba = 0.0F;
             this.bb = 0.0F;
         } else if (this.bM()) {
-            if (eSpigotFeature.MOB_AI.isEnabled() || this instanceof EntityHuman) {
+            if (eSpigotConfig.mobAI || this instanceof EntityHuman) {
                 this.world.methodProfiler.a("newAi");
                 this.doTick();
                 this.world.methodProfiler.b();
@@ -1704,7 +1706,7 @@ public abstract class EntityLiving extends Entity {
     protected void doTick() {}
 
     protected void bL() {
-        if (!eSpigotFeature.ENTITY_COLLISION.isEnabled())
+        if (!eSpigotConfig.entityCollisions)
             return;
 
         List list = this.world.a(this, this.getBoundingBox().grow(0.20000000298023224D, 0.0D, 0.20000000298023224D), Predicates.and(IEntitySelector.d, new Predicate() {
@@ -1871,7 +1873,7 @@ public abstract class EntityLiving extends Entity {
     }
 
     public ScoreboardTeamBase getScoreboardTeam() {
-        if (!this.world.tacoSpigotConfig.nonPlayerEntitiesOnScoreboards && !(this instanceof EntityHuman)) return null; // TacoSpigot
+        if (!this.world.paperSpigotConfig.nonPlayerEntitiesOnScoreboards && !(this instanceof EntityHuman)) return null; // TacoSpigot
         return this.world.getScoreboard().getPlayerTeam(this.getUniqueID().toString());
     }
 

eSpigot-Server/src/main/java/net/minecraft/server/EntityMinecartFurnace.java

@@ -1,5 +1,7 @@
 package net.minecraft.server;
 
+import com.elevatemc.spigot.util.Constants;
+
 public class EntityMinecartFurnace extends EntityMinecartAbstract {
 
     private int c;
@@ -35,7 +37,7 @@ public class EntityMinecartFurnace extends EntityMinecartAbstract {
 
         this.i(this.c > 0);
         if (this.j() && this.random.nextInt(4) == 0) {
-            this.world.addParticle(EnumParticle.SMOKE_LARGE, this.locX, this.locY + 0.8D, this.locZ, 0.0D, 0.0D, 0.0D, new int[0]);
+            this.world.addParticle(EnumParticle.SMOKE_LARGE, this.locX, this.locY + 0.8D, this.locZ, 0.0D, 0.0D, 0.0D, Constants.EMPTY_ARRAY);
         }
 
     }

eSpigot-Server/src/main/java/net/minecraft/server/EntityMinecartTNT.java

@@ -1,5 +1,7 @@
 package net.minecraft.server;
 
+import com.elevatemc.spigot.util.Constants;
+
 public class EntityMinecartTNT extends EntityMinecartAbstract {
 
     private int a = -1;
@@ -24,7 +26,7 @@ public class EntityMinecartTNT extends EntityMinecartAbstract {
         super.t_();
         if (this.a > 0) {
             --this.a;
-            this.world.addParticle(EnumParticle.SMOKE_NORMAL, this.locX, this.locY + 0.5D, this.locZ, 0.0D, 0.0D, 0.0D, new int[0]);
+            this.world.addParticle(EnumParticle.SMOKE_NORMAL, this.locX, this.locY + 0.5D, this.locZ, 0.0D, 0.0D, 0.0D, Constants.EMPTY_ARRAY);
         } else if (this.a == 0) {
             this.b(this.motX * this.motX + this.motZ * this.motZ);
         }

eSpigot-Server/src/main/java/net/minecraft/server/EntityMushroomCow.java

@@ -1,5 +1,6 @@
 package net.minecraft.server;
 
+import com.elevatemc.spigot.util.Constants;
 import org.bukkit.event.player.PlayerShearEntityEvent; // CraftBukkit
 
 public class EntityMushroomCow extends EntityCow {
@@ -35,7 +36,7 @@ public class EntityMushroomCow extends EntityCow {
             }
             // CraftBukkit end
             this.die();
-            this.world.addParticle(EnumParticle.EXPLOSION_LARGE, this.locX, this.locY + (double) (this.length / 2.0F), this.locZ, 0.0D, 0.0D, 0.0D, new int[0]);
+            this.world.addParticle(EnumParticle.EXPLOSION_LARGE, this.locX, this.locY + (double) (this.length / 2.0F), this.locZ, 0.0D, 0.0D, 0.0D, Constants.EMPTY_ARRAY);
             if (!this.world.isClientSide) {
                 EntityCow entitycow = new EntityCow(this.world);
 

eSpigot-Server/src/main/java/net/minecraft/server/EntityPigZombie.java

@@ -1,10 +1,12 @@
 package net.minecraft.server;
 
+import com.eatthepath.uuid.FastUUID;
+
 import java.util.UUID;
 
 public class EntityPigZombie extends EntityZombie {
 
-    private static final UUID b = UUID.fromString("49455A49-7EC5-45BA-B886-3B90B23A1718");
+    private static final UUID b = FastUUID.parseUUID("49455A49-7EC5-45BA-B886-3B90B23A1718");
     private static final AttributeModifier c = (new AttributeModifier(EntityPigZombie.b, "Attacking speed boost", 0.05D, 0)).a(false);
     public int angerLevel;
     private int soundDelay;
@@ -92,7 +94,7 @@ public class EntityPigZombie extends EntityZombie {
         String s = nbttagcompound.getString("HurtBy");
 
         if (s.length() > 0) {
-            this.hurtBy = UUID.fromString(s);
+            this.hurtBy = FastUUID.parseUUID(s);
             EntityHuman entityhuman = this.world.b(this.hurtBy);
 
             this.b((EntityLiving) entityhuman);

eSpigot-Server/src/main/java/net/minecraft/server/EntityPlayer.java

@@ -8,6 +8,7 @@ import io.netty.buffer.Unpooled;
 import java.util.*;
 
 import com.elevatemc.spigot.eSpigot;
+import it.unimi.dsi.fastutil.longs.LongOpenHashSet;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 
@@ -192,6 +193,11 @@ public class EntityPlayer extends EntityHuman implements ICrafting {
         this.playerConnection.sendPacket(new PacketPlayOutCombatEvent(this.bs(), PacketPlayOutCombatEvent.EnumCombatEventType.END_COMBAT));
     }
 
+    private long chunkToLong(int chunkX, int chunkZ)
+    {
+        return (chunkX << 32L) + chunkZ - -2147483648L;
+    }
+
     public void t_() {
         // CraftBukkit start
         if (this.joining) {
@@ -231,49 +237,71 @@ public class EntityPlayer extends EntityHuman implements ICrafting {
         }
 
         if (!this.chunkCoordIntPairQueue.isEmpty()) {
-            ArrayList arraylist = Lists.newArrayList();
+            ArrayList<Chunk> chunkList = Lists.newArrayList();
-            Iterator iterator1 = this.chunkCoordIntPairQueue.iterator();
+            Iterator<ChunkCoordIntPair> chunksToLoad = this.chunkCoordIntPairQueue.iterator();
-            ArrayList arraylist1 = Lists.newArrayList();
+            ArrayList<TileEntity> tileEntities = Lists.newArrayList();
 
-            Chunk chunk;
+            Chunk chunk = null;
 
-            while (iterator1.hasNext() && arraylist.size() < this.world.spigotConfig.maxBulkChunk) { // Spigot
+            while (chunksToLoad.hasNext() && chunkList.size() < this.world.spigotConfig.maxBulkChunk) { // Spigot
-                ChunkCoordIntPair chunkcoordintpair = (ChunkCoordIntPair) iterator1.next();
+                ChunkCoordIntPair chunkcoordintpair = chunksToLoad.next();
 
                 if (chunkcoordintpair != null) {
-                    if (this.world.isLoaded(new BlockPosition(chunkcoordintpair.x << 4, 0, chunkcoordintpair.z << 4))) {
+                    if (this.world.isLoaded(chunkcoordintpair.x << 4, 0, chunkcoordintpair.z << 4)) {// [Nacho-0024] Do not create new BlockPosition when loading chunk
                         chunk = this.world.getChunkAt(chunkcoordintpair.x, chunkcoordintpair.z);
                         if (chunk.isReady()) {
-                            arraylist.add(chunk);
+                            chunkList.add(chunk);
-                            arraylist1.addAll(chunk.tileEntities.values()); // CraftBukkit - Get tile entities directly from the chunk instead of the world
+                            tileEntities.addAll(chunk.tileEntities.values()); // CraftBukkit - Get tile entities directly from the chunk instead of the world
-                            iterator1.remove();
+                            chunksToLoad.remove();
                         }
                     }
                 } else {
-                    iterator1.remove();
+                    chunksToLoad.remove();
                 }
             }
 
-            if (!arraylist.isEmpty()) {
+            if (!chunkList.isEmpty()) {
-                if (arraylist.size() == 1) {
+                if (chunkList.size() == 1) {
-                    this.playerConnection.sendPacket(new PacketPlayOutMapChunk((Chunk) arraylist.get(0), true, '\uffff'));
+                    this.playerConnection.sendPacket(new PacketPlayOutMapChunk(chunkList.get(0), true, '\uffff'));
                 } else {
-                    this.playerConnection.sendPacket(new PacketPlayOutMapChunkBulk(arraylist));
+                    this.playerConnection.sendPacket(new PacketPlayOutMapChunkBulk(chunkList));
                 }
 
-                Iterator iterator2 = arraylist1.iterator();
+                Iterator<TileEntity> tileEntitiesIterator = tileEntities.iterator();
 
-                while (iterator2.hasNext()) {
+                while (tileEntitiesIterator.hasNext()) {
-                    TileEntity tileentity = (TileEntity) iterator2.next();
+                    TileEntity tileentity = tileEntitiesIterator.next();
 
                     this.a(tileentity);
                 }
 
-                iterator2 = arraylist.iterator();
+                //              //Nacho - if there are a lot of entities, we end up scanning the WHOLE list of entities multiple times
+//              // Which isn't the best if we have 100 players doing that
+                // So instead of updating all entities by chunk, we update all entities at once with a hashset of chunks
+                // This means we don't have to pass over the list x chunks
+                // o(chunk * entityList) => o(entitylist)
 
-                while (iterator2.hasNext()) {
+//                Iterator<Chunk> chunkIterator = chunkList.iterator();
-                    chunk = (Chunk) iterator2.next();
+//                while (chunkIterator.hasNext())
-                    this.u().getTracker().a(this, chunk);
+//                {
+//                    chunk = (Chunk) chunkIterator.next();
+//                    this.u().getTracker().a(this, chunk);
+//                }
+//              Nacho - end
+
+                LongOpenHashSet chunkPosSet = new LongOpenHashSet(chunkList.size());
+                for (Chunk newChunk : chunkList)
+                    chunkPosSet.add(this.chunkToLong(newChunk.locX, newChunk.locZ));
+
+                Iterator<EntityTrackerEntry> trackerEntryIterator = this.u().getTracker().getEntityTrackerEntries();
+                while (trackerEntryIterator.hasNext())
+                {
+                    EntityTrackerEntry entitytrackerentry = trackerEntryIterator.next();
+
+                    if (entitytrackerentry.tracker != this && chunkPosSet.contains(this.chunkToLong(entitytrackerentry.tracker.ae, entitytrackerentry.tracker.ag)))
+                    {
+                        entitytrackerentry.updatePlayer(this);
+                    }
                 }
             }
         }

eSpigot-Server/src/main/java/net/minecraft/server/EntityProjectile.java

@@ -1,5 +1,7 @@
 package net.minecraft.server;
 
+import com.eatthepath.uuid.FastUUID;
+import com.elevatemc.spigot.util.Constants;
 import org.bukkit.craftbukkit.entity.CraftPlayer;
 
 import java.util.List;
@@ -207,7 +209,7 @@ public abstract class EntityProjectile extends Entity implements IProjectile {
             for (int j = 0; j < 4; ++j) {
                 float f4 = 0.25F;
 
-                this.world.addParticle(EnumParticle.WATER_BUBBLE, this.locX - this.motX * (double) f4, this.locY - this.motY * (double) f4, this.locZ - this.motZ * (double) f4, this.motX, this.motY, this.motZ, new int[0]);
+                this.world.addParticle(EnumParticle.WATER_BUBBLE, this.locX - this.motX * (double) f4, this.locY - this.motY * (double) f4, this.locZ - this.motZ * (double) f4, this.motX, this.motY, this.motZ, Constants.EMPTY_ARRAY);
             }
 
             f2 = 0.8F;
@@ -268,7 +270,7 @@ public abstract class EntityProjectile extends Entity implements IProjectile {
             this.shooter = this.world.a(this.shooterName);
             if (this.shooter == null && this.world instanceof WorldServer) {
                 try {
-                    Entity entity = ((WorldServer) this.world).getEntity(UUID.fromString(this.shooterName));
+                    Entity entity = ((WorldServer) this.world).getEntity(FastUUID.parseUUID(this.shooterName));
 
                     if (entity instanceof EntityLiving) {
                         this.shooter = (EntityLiving) entity;

eSpigot-Server/src/main/java/net/minecraft/server/EntitySlime.java

@@ -1,6 +1,7 @@
 package net.minecraft.server;
 
 // CraftBukkit start
+import com.elevatemc.spigot.util.Constants;
 import org.bukkit.event.entity.SlimeSplitEvent;
 // CraftBukkit end
 
@@ -88,7 +89,7 @@ public class EntitySlime extends EntityInsentient implements IMonster {
                 double d0 = this.locX + (double) f2;
                 double d1 = this.locZ + (double) f3;
 
-                world.addParticle(enumparticle, d0, this.getBoundingBox().b, d1, 0.0D, 0.0D, 0.0D, new int[0]);
+                world.addParticle(enumparticle, d0, this.getBoundingBox().b, d1, 0.0D, 0.0D, 0.0D, Constants.EMPTY_ARRAY);
             }
 
             if (this.cl()) {

eSpigot-Server/src/main/java/net/minecraft/server/EntitySnowball.java

@@ -1,5 +1,7 @@
 package net.minecraft.server;
 
+import com.elevatemc.spigot.util.Constants;
+
 public class EntitySnowball extends EntityProjectile {
 
     public EntitySnowball(World world) {
@@ -26,7 +28,7 @@ public class EntitySnowball extends EntityProjectile {
         }
 
         for (int i = 0; i < 8; ++i) {
-            this.world.addParticle(EnumParticle.SNOWBALL, this.locX, this.locY, this.locZ, 0.0D, 0.0D, 0.0D, new int[0]);
+            this.world.addParticle(EnumParticle.SNOWBALL, this.locX, this.locY, this.locZ, 0.0D, 0.0D, 0.0D, Constants.EMPTY_ARRAY);
         }
 
         if (!this.world.isClientSide) {

eSpigot-Server/src/main/java/net/minecraft/server/EntityTNTPrimed.java

@@ -1,5 +1,6 @@
 package net.minecraft.server;
 
+import com.elevatemc.spigot.util.Constants;
 import org.bukkit.event.entity.ExplosionPrimeEvent; // CraftBukkit
 
 public class EntityTNTPrimed extends Entity {
@@ -90,7 +91,7 @@ public class EntityTNTPrimed extends Entity {
             // CraftBukkit end
         } else {
             this.W();
-            this.world.addParticle(EnumParticle.SMOKE_NORMAL, this.locX, this.locY + 0.5D, this.locZ, 0.0D, 0.0D, 0.0D, new int[0]);
+            this.world.addParticle(EnumParticle.SMOKE_NORMAL, this.locX, this.locY + 0.5D, this.locZ, 0.0D, 0.0D, 0.0D, Constants.EMPTY_ARRAY);
         }
 
     }

eSpigot-Server/src/main/java/net/minecraft/server/EntityTameableAnimal.java

@@ -1,5 +1,8 @@
 package net.minecraft.server;
 
+import com.eatthepath.uuid.FastUUID;
+import com.elevatemc.spigot.util.Constants;
+
 import java.util.UUID;
 
 public abstract class EntityTameableAnimal extends EntityAnimal implements EntityOwnable {
@@ -61,7 +64,7 @@ public abstract class EntityTameableAnimal extends EntityAnimal implements Entit
             double d1 = this.random.nextGaussian() * 0.02D;
             double d2 = this.random.nextGaussian() * 0.02D;
 
-            this.world.addParticle(enumparticle, this.locX + (double) (this.random.nextFloat() * this.width * 2.0F) - (double) this.width, this.locY + 0.5D + (double) (this.random.nextFloat() * this.length), this.locZ + (double) (this.random.nextFloat() * this.width * 2.0F) - (double) this.width, d0, d1, d2, new int[0]);
+            this.world.addParticle(enumparticle, this.locX + (double) (this.random.nextFloat() * this.width * 2.0F) - (double) this.width, this.locY + 0.5D + (double) (this.random.nextFloat() * this.length), this.locZ + (double) (this.random.nextFloat() * this.width * 2.0F) - (double) this.width, d0, d1, d2, Constants.EMPTY_ARRAY);
         }
 
     }
@@ -109,7 +112,7 @@ public abstract class EntityTameableAnimal extends EntityAnimal implements Entit
 
     public EntityLiving getOwner() {
         try {
-            UUID uuid = UUID.fromString(this.getOwnerUUID());
+            UUID uuid = FastUUID.parseUUID(this.getOwnerUUID());
 
             return uuid == null ? null : this.world.b(uuid);
         } catch (IllegalArgumentException illegalargumentexception) {

eSpigot-Server/src/main/java/net/minecraft/server/EntityTracker.java

@@ -3,6 +3,7 @@ package net.minecraft.server;
 import com.google.common.collect.Lists;
 import com.google.common.collect.Sets;
 
+import java.util.Iterator;
 import java.util.List;
 import java.util.Set;
 import java.util.concurrent.Callable;
@@ -265,6 +266,11 @@ public class EntityTracker {
         else TASK_EXECUTOR.submit(task);
     }
 
+    public Iterator<EntityTrackerEntry> getEntityTrackerEntries()
+    {
+        return this.c.iterator();
+    }
+
     public void a(EntityPlayer entityplayer, Chunk chunk) {
         Task task = executor -> {
             for (EntityTrackerEntry entitytrackerentry : this.c) {

eSpigot-Server/src/main/java/net/minecraft/server/EntityTrackerEntry.java

@@ -3,7 +3,7 @@ package net.minecraft.server;
 import java.util.*;
 import java.util.concurrent.ConcurrentHashMap;
 
-import com.elevatemc.spigot.eSpigotFeature;
+import com.elevatemc.spigot.config.eSpigotConfig;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 
@@ -273,7 +273,7 @@ public class EntityTrackerEntry {
         DataWatcher datawatcher = this.tracker.getDataWatcher();
 
         if (datawatcher.a()) {
-            if (eSpigotFeature.OBFUSCATE_HEALTH.isEnabled() && this.tracker instanceof EntityHuman) {
+            if (eSpigotConfig.obfuscatePlayerHealth && this.tracker instanceof EntityHuman) {
                 List<DataWatcher.WatchableObject> changedMetadata = datawatcher.c();
                 Iterator<DataWatcher.WatchableObject> iter = changedMetadata.iterator();
                 boolean found = false;

eSpigot-Server/src/main/java/net/minecraft/server/EntityWitch.java

@@ -1,12 +1,14 @@
 package net.minecraft.server;
 
+import com.eatthepath.uuid.FastUUID;
+
 import java.util.Iterator;
 import java.util.List;
 import java.util.UUID;
 
 public class EntityWitch extends EntityMonster implements IRangedEntity {
 
-    private static final UUID a = UUID.fromString("5CD17E52-A79A-43D3-A529-90FDE04B181E");
+    private static final UUID a = FastUUID.parseUUID("5CD17E52-A79A-43D3-A529-90FDE04B181E");
     private static final AttributeModifier b = (new AttributeModifier(EntityWitch.a, "Drinking speed penalty", -0.25D, 0)).a(false);
     private static final Item[] c = new Item[] { Items.GLOWSTONE_DUST, Items.SUGAR, Items.REDSTONE, Items.SPIDER_EYE, Items.GLASS_BOTTLE, Items.GUNPOWDER, Items.STICK, Items.STICK};
     private int bm;

eSpigot-Server/src/main/java/net/minecraft/server/EntityWither.java

@@ -1,5 +1,6 @@
 package net.minecraft.server;
 
+import com.elevatemc.spigot.util.Constants;
 import com.google.common.base.Predicate;
 import com.google.common.base.Predicates;
 import java.util.Iterator;
@@ -154,15 +155,15 @@ public class EntityWither extends EntityMonster implements IRangedEntity {
             double d9 = this.u(j);
             double d10 = this.v(j);
 
-            this.world.addParticle(EnumParticle.SMOKE_NORMAL, d8 + this.random.nextGaussian() * 0.30000001192092896D, d9 + this.random.nextGaussian() * 0.30000001192092896D, d10 + this.random.nextGaussian() * 0.30000001192092896D, 0.0D, 0.0D, 0.0D, new int[0]);
+            this.world.addParticle(EnumParticle.SMOKE_NORMAL, d8 + this.random.nextGaussian() * 0.30000001192092896D, d9 + this.random.nextGaussian() * 0.30000001192092896D, d10 + this.random.nextGaussian() * 0.30000001192092896D, 0.0D, 0.0D, 0.0D, Constants.EMPTY_ARRAY);
             if (flag && this.world.random.nextInt(4) == 0) {
-                this.world.addParticle(EnumParticle.SPELL_MOB, d8 + this.random.nextGaussian() * 0.30000001192092896D, d9 + this.random.nextGaussian() * 0.30000001192092896D, d10 + this.random.nextGaussian() * 0.30000001192092896D, 0.699999988079071D, 0.699999988079071D, 0.5D, new int[0]);
+                this.world.addParticle(EnumParticle.SPELL_MOB, d8 + this.random.nextGaussian() * 0.30000001192092896D, d9 + this.random.nextGaussian() * 0.30000001192092896D, d10 + this.random.nextGaussian() * 0.30000001192092896D, 0.699999988079071D, 0.699999988079071D, 0.5D, Constants.EMPTY_ARRAY);
             }
         }
 
         if (this.cl() > 0) {
             for (j = 0; j < 3; ++j) {
-                this.world.addParticle(EnumParticle.SPELL_MOB, this.locX + this.random.nextGaussian() * 1.0D, this.locY + (double) (this.random.nextFloat() * 3.3F), this.locZ + this.random.nextGaussian() * 1.0D, 0.699999988079071D, 0.699999988079071D, 0.8999999761581421D, new int[0]);
+                this.world.addParticle(EnumParticle.SPELL_MOB, this.locX + this.random.nextGaussian() * 1.0D, this.locY + (double) (this.random.nextFloat() * 3.3F), this.locZ + this.random.nextGaussian() * 1.0D, 0.699999988079071D, 0.699999988079071D, 0.8999999761581421D, Constants.EMPTY_ARRAY);
             }
         }
 

eSpigot-Server/src/main/java/net/minecraft/server/EntityWolf.java

@@ -1,5 +1,6 @@
 package net.minecraft.server;
 
+import com.elevatemc.spigot.util.Constants;
 import com.google.common.base.Predicate;
 
 // CraftBukkit start
@@ -183,7 +184,7 @@ public class EntityWolf extends EntityTameableAnimal {
                     float f1 = (this.random.nextFloat() * 2.0F - 1.0F) * this.width * 0.5F;
                     float f2 = (this.random.nextFloat() * 2.0F - 1.0F) * this.width * 0.5F;
 
-                    this.world.addParticle(EnumParticle.WATER_SPLASH, this.locX + (double) f1, f + 0.8F, this.locZ + (double) f2, this.motX, this.motY, this.motZ, new int[0]);
+                    this.world.addParticle(EnumParticle.WATER_SPLASH, this.locX + (double) f1, f + 0.8F, this.locZ + (double) f2, this.motX, this.motY, this.motZ, Constants.EMPTY_ARRAY);
                 }
             }
         }

eSpigot-Server/src/main/java/net/minecraft/server/EntityZombie.java

@@ -5,6 +5,7 @@ import java.util.List;
 import java.util.UUID;
 
 //CraftBukkit start
+import com.eatthepath.uuid.FastUUID;
 import org.bukkit.event.entity.CreatureSpawnEvent;
 import org.bukkit.event.entity.EntityCombustByEntityEvent;
 import org.bukkit.event.entity.EntityCombustEvent;
@@ -14,7 +15,7 @@ import org.bukkit.event.entity.EntityTargetEvent;
 public class EntityZombie extends EntityMonster {
 
     protected static final IAttribute a = (new AttributeRanged(null, "zombie.spawnReinforcements", 0.0D, 0.0D, 1.0D)).a("Spawn Reinforcements Chance");
-    private static final UUID b = UUID.fromString("B9766B59-9566-4402-BC1F-2EE2A276D836");
+    private static final UUID b = FastUUID.parseUUID("B9766B59-9566-4402-BC1F-2EE2A276D836");
     private static final AttributeModifier c = new AttributeModifier(EntityZombie.b, "Baby speed boost", org.github.paperspigot.PaperSpigotConfig.babyZombieMovementSpeed, 1); // PaperSpigot - Configurable baby zombie movement speed
     private final PathfinderGoalBreakDoor bm = new PathfinderGoalBreakDoor(this);
     private int bn;

eSpigot-Server/src/main/java/net/minecraft/server/EnumDirection.java

@@ -20,9 +20,10 @@ public enum EnumDirection implements INamable {
     private final BaseBlockPosition m;
     private static final EnumDirection[] n = new EnumDirection[6];
     private static final EnumDirection[] o = new EnumDirection[4];
+    private static final EnumDirection[] ALL = EnumDirection.values();
     private static final Map<String, EnumDirection> p = Maps.newHashMap();
 
-    private EnumDirection(int i, int j, int k, String s, EnumDirection.EnumAxisDirection enumdirection_enumaxisdirection, EnumDirection.EnumAxis enumdirection_enumaxis, BaseBlockPosition baseblockposition) {
+    EnumDirection(int i, int j, int k, String s, EnumDirection.EnumAxisDirection enumdirection_enumaxisdirection, EnumDirection.EnumAxis enumdirection_enumaxis, BaseBlockPosition baseblockposition) {
         this.g = i;
         this.i = k;
         this.h = j;
@@ -45,42 +46,34 @@ public enum EnumDirection implements INamable {
     }
 
     public EnumDirection opposite() {
-        return fromType1(this.h);
+        return ALL[this.h];
     }
 
     public EnumDirection e() {
-        switch (EnumDirection.SyntheticClass_1.b[this.ordinal()]) {
+        switch(this) {
-            case 1:
+            case NORTH:
-                return EnumDirection.EAST;
+                return EAST;
-
+            case EAST:
-            case 2:
+                return SOUTH;
-                return EnumDirection.SOUTH;
+            case SOUTH:
-
+                return WEST;
-            case 3:
+            case WEST:
-                return EnumDirection.WEST;
+                return NORTH;
-
-            case 4:
-                return EnumDirection.NORTH;
-
             default:
                 throw new IllegalStateException("Unable to get Y-rotated facing of " + this);
         }
     }
 
     public EnumDirection f() {
-        switch (EnumDirection.SyntheticClass_1.b[this.ordinal()]) {
+        switch(this) {
-            case 1:
+            case NORTH:
-                return EnumDirection.WEST;
+                return WEST;
-
+            case EAST:
-            case 2:
+                return NORTH;
-                return EnumDirection.NORTH;
+            case SOUTH:
-
+                return EAST;
-            case 3:
+            case WEST:
-                return EnumDirection.EAST;
+                return SOUTH;
-
-            case 4:
-                return EnumDirection.SOUTH;
-
             default:
                 throw new IllegalStateException("Unable to get CCW facing of " + this);
         }
@@ -119,7 +112,7 @@ public enum EnumDirection implements INamable {
     }
 
     public static EnumDirection a(Random random) {
-        return values()[random.nextInt(values().length)];
+        return ALL[random.nextInt(ALL.length)];
     }
 
     public String toString() {
@@ -131,11 +124,10 @@ public enum EnumDirection implements INamable {
     }
 
     public static EnumDirection a(EnumDirection.EnumAxisDirection enumdirection_enumaxisdirection, EnumDirection.EnumAxis enumdirection_enumaxis) {
-        EnumDirection[] aenumdirection = values();
+        int i = ALL.length;
-        int i = aenumdirection.length;
 
         for (int j = 0; j < i; ++j) {
-            EnumDirection enumdirection = aenumdirection[j];
+            EnumDirection enumdirection = ALL[j];
 
             if (enumdirection.c() == enumdirection_enumaxisdirection && enumdirection.k() == enumdirection_enumaxis) {
                 return enumdirection;
@@ -146,11 +138,10 @@ public enum EnumDirection implements INamable {
     }
 
     static {
-        EnumDirection[] aenumdirection = values();
+        int i = ALL.length;
-        int i = aenumdirection.length;
 
         for (int j = 0; j < i; ++j) {
-            EnumDirection enumdirection = aenumdirection[j];
+            EnumDirection enumdirection = ALL[j];
 
             EnumDirection.n[enumdirection.g] = enumdirection;
             if (enumdirection.k().c()) {
@@ -162,102 +153,20 @@ public enum EnumDirection implements INamable {
 
     }
 
-    static class SyntheticClass_1 {
+    public enum EnumDirectionLimit implements Predicate<EnumDirection>, Iterable<EnumDirection> {
-
-        static final int[] a;
-        static final int[] b;
-        static final int[] c = new int[EnumDirection.EnumDirectionLimit.values().length];
-
-        static {
-            try {
-                EnumDirection.SyntheticClass_1.c[EnumDirection.EnumDirectionLimit.HORIZONTAL.ordinal()] = 1;
-            } catch (NoSuchFieldError nosuchfielderror) {
-                ;
-            }
-
-            try {
-                EnumDirection.SyntheticClass_1.c[EnumDirection.EnumDirectionLimit.VERTICAL.ordinal()] = 2;
-            } catch (NoSuchFieldError nosuchfielderror1) {
-                ;
-            }
-
-            b = new int[EnumDirection.values().length];
-
-            try {
-                EnumDirection.SyntheticClass_1.b[EnumDirection.NORTH.ordinal()] = 1;
-            } catch (NoSuchFieldError nosuchfielderror2) {
-                ;
-            }
-
-            try {
-                EnumDirection.SyntheticClass_1.b[EnumDirection.EAST.ordinal()] = 2;
-            } catch (NoSuchFieldError nosuchfielderror3) {
-                ;
-            }
-
-            try {
-                EnumDirection.SyntheticClass_1.b[EnumDirection.SOUTH.ordinal()] = 3;
-            } catch (NoSuchFieldError nosuchfielderror4) {
-                ;
-            }
-
-            try {
-                EnumDirection.SyntheticClass_1.b[EnumDirection.WEST.ordinal()] = 4;
-            } catch (NoSuchFieldError nosuchfielderror5) {
-                ;
-            }
-
-            try {
-                EnumDirection.SyntheticClass_1.b[EnumDirection.UP.ordinal()] = 5;
-            } catch (NoSuchFieldError nosuchfielderror6) {
-                ;
-            }
-
-            try {
-                EnumDirection.SyntheticClass_1.b[EnumDirection.DOWN.ordinal()] = 6;
-            } catch (NoSuchFieldError nosuchfielderror7) {
-                ;
-            }
-
-            a = new int[EnumDirection.EnumAxis.values().length];
-
-            try {
-                EnumDirection.SyntheticClass_1.a[EnumDirection.EnumAxis.X.ordinal()] = 1;
-            } catch (NoSuchFieldError nosuchfielderror8) {
-                ;
-            }
-
-            try {
-                EnumDirection.SyntheticClass_1.a[EnumDirection.EnumAxis.Y.ordinal()] = 2;
-            } catch (NoSuchFieldError nosuchfielderror9) {
-                ;
-            }
-
-            try {
-                EnumDirection.SyntheticClass_1.a[EnumDirection.EnumAxis.Z.ordinal()] = 3;
-            } catch (NoSuchFieldError nosuchfielderror10) {
-                ;
-            }
-
-        }
-    }
-
-    public static enum EnumDirectionLimit implements Predicate<EnumDirection>, Iterable<EnumDirection> {
 
         HORIZONTAL, VERTICAL;
 
-        private EnumDirectionLimit() {}
+        EnumDirectionLimit() {}
 
         public EnumDirection[] a() {
-            switch (EnumDirection.SyntheticClass_1.c[this.ordinal()]) {
+            switch(this) {
-                case 1:
+                case HORIZONTAL:
-                    return new EnumDirection[] { EnumDirection.NORTH, EnumDirection.EAST, EnumDirection.SOUTH, EnumDirection.WEST};
+                    return new EnumDirection[]{EnumDirection.NORTH, EnumDirection.EAST, EnumDirection.SOUTH, EnumDirection.WEST};
-
+                case VERTICAL:
-                case 2:
+                    return new EnumDirection[]{EnumDirection.UP, EnumDirection.DOWN};
-                    return new EnumDirection[] { EnumDirection.UP, EnumDirection.DOWN};
-
                 default:
-                    throw new Error("Someone\'s been tampering with the universe!");
+                    throw new Error("Someone's been tampering with the universe!");
             }
         }
 
@@ -280,7 +189,7 @@ public enum EnumDirection implements INamable {
         }
     }
 
-    public static enum EnumAxisDirection {
+    public enum EnumAxisDirection {
 
         POSITIVE(1, "Towards positive"), NEGATIVE(-1, "Towards negative");
 
@@ -301,7 +210,7 @@ public enum EnumDirection implements INamable {
         }
     }
 
-    public static enum EnumAxis implements Predicate<EnumDirection>, INamable {
+    public enum EnumAxis implements Predicate<EnumDirection>, INamable {
 
         X("x", EnumDirection.EnumDirectionLimit.HORIZONTAL), Y("y", EnumDirection.EnumDirectionLimit.VERTICAL), Z("z", EnumDirection.EnumDirectionLimit.HORIZONTAL);
 

eSpigot-Server/src/main/java/net/minecraft/server/Explosion.java

@@ -1,5 +1,6 @@
 package net.minecraft.server;
 
+import com.elevatemc.spigot.util.Constants;
 import com.elevatemc.spigot.util.FastRandom;
 import com.google.common.collect.Lists;
 import com.google.common.collect.Maps;
@@ -58,7 +59,7 @@ public class Explosion {
 
         Block b = world.getChunkAt((int)posX >> 4, (int)posZ >> 4).getBlockData(new BlockPosition(posX, posY, posZ)).getBlock(); // TacoSpigot - get block of the explosion
 
-        if (!this.world.tacoSpigotConfig.optimizeLiquidExplosions || !b.getMaterial().isLiquid()) { //TacoSpigot - skip calculating what blocks to blow up in water/lava
+        if (!this.world.paperSpigotConfig.optimizeLiquidExplosions || !b.getMaterial().isLiquid()) { //TacoSpigot - skip calculating what blocks to blow up in water/lava
         for (int k = 0; k < 16; ++k) {
             for (i = 0; i < 16; ++i) {
                 for (j = 0; j < 16; ++j) {
@@ -170,9 +171,9 @@ public class Explosion {
         this.world.makeSound(this.posX, this.posY, this.posZ, "random.explode", volume, (1.0F + (this.world.random.nextFloat() - this.world.random.nextFloat()) * 0.2F) * 0.7F);
         // PaperSpigot end
         if (this.size >= 2.0F && this.b) {
-            this.world.addParticle(EnumParticle.EXPLOSION_HUGE, this.posX, this.posY, this.posZ, 1.0D, 0.0D, 0.0D, new int[0]);
+            this.world.addParticle(EnumParticle.EXPLOSION_HUGE, this.posX, this.posY, this.posZ, 1.0D, 0.0D, 0.0D, Constants.EMPTY_ARRAY);
         } else {
-            this.world.addParticle(EnumParticle.EXPLOSION_LARGE, this.posX, this.posY, this.posZ, 1.0D, 0.0D, 0.0D, new int[0]);
+            this.world.addParticle(EnumParticle.EXPLOSION_LARGE, this.posX, this.posY, this.posZ, 1.0D, 0.0D, 0.0D, Constants.EMPTY_ARRAY);
         }
 
         Iterator iterator;
@@ -248,8 +249,8 @@ public class Explosion {
                     d3 *= d7;
                     d4 *= d7;
                     d5 *= d7;
-                    this.world.addParticle(EnumParticle.EXPLOSION_NORMAL, (d0 + this.posX * 1.0D) / 2.0D, (d1 + this.posY * 1.0D) / 2.0D, (d2 + this.posZ * 1.0D) / 2.0D, d3, d4, d5, new int[0]);
+                    this.world.addParticle(EnumParticle.EXPLOSION_NORMAL, (d0 + this.posX * 1.0D) / 2.0D, (d1 + this.posY * 1.0D) / 2.0D, (d2 + this.posZ * 1.0D) / 2.0D, d3, d4, d5, Constants.EMPTY_ARRAY);
-                    this.world.addParticle(EnumParticle.SMOKE_NORMAL, d0, d1, d2, d3, d4, d5, new int[0]);
+                    this.world.addParticle(EnumParticle.SMOKE_NORMAL, d0, d1, d2, d3, d4, d5, Constants.EMPTY_ARRAY);
                 }
 
                 if (block.getMaterial() != Material.AIR) {

eSpigot-Server/src/main/java/net/minecraft/server/GameProfileBanEntry.java

@@ -1,5 +1,6 @@
 package net.minecraft.server;
 
+import com.eatthepath.uuid.FastUUID;
 import com.google.gson.JsonObject;
 import com.mojang.authlib.GameProfile;
 import java.util.Date;
@@ -36,7 +37,7 @@ public class GameProfileBanEntry extends ExpirableListEntry<GameProfile> {
             String s = jsonobject.get("uuid").getAsString();
 
             try {
-                uuid = UUID.fromString(s);
+                uuid = FastUUID.parseUUID(s);
             } catch (Throwable ignored) {
             }
 

eSpigot-Server/src/main/java/net/minecraft/server/GameProfileSerializer.java

@@ -1,5 +1,6 @@
 package net.minecraft.server;
 
+import com.eatthepath.uuid.FastUUID;
 import com.mojang.authlib.GameProfile;
 import com.mojang.authlib.properties.Property;
 import java.util.Iterator;
@@ -25,7 +26,7 @@ public final class GameProfileSerializer {
             UUID uuid;
 
             try {
-                uuid = UUID.fromString(s1);
+                uuid = FastUUID.parseUUID(s1);
             } catch (Throwable throwable) {
                 uuid = null;
             }

eSpigot-Server/src/main/java/net/minecraft/server/Item.java

@@ -1,5 +1,6 @@
 package net.minecraft.server;
 
+import com.eatthepath.uuid.FastUUID;
 import com.google.common.base.Function;
 import com.google.common.collect.HashMultimap;
 import com.google.common.collect.Maps;
@@ -12,7 +13,7 @@ public class Item {
 
     public static final RegistryMaterials<MinecraftKey, Item> REGISTRY = new RegistryMaterials();
     private static final Map<Block, Item> a = Maps.newHashMap();
-    protected static final UUID f = UUID.fromString("CB3F55D3-645C-4F38-A497-9C13A33DB5CF");
+    protected static final UUID f = FastUUID.parseUUID("CB3F55D3-645C-4F38-A497-9C13A33DB5CF");
     private CreativeModeTab b;
     protected static Random g = new Random();
     protected int maxStackSize = 64;

eSpigot-Server/src/main/java/net/minecraft/server/ItemBucket.java

@@ -1,6 +1,7 @@
 package net.minecraft.server;
 
 // CraftBukkit start
+import com.elevatemc.spigot.util.Constants;
 import org.bukkit.craftbukkit.event.CraftEventFactory;
 import org.bukkit.craftbukkit.inventory.CraftItemStack;
 import org.bukkit.event.player.PlayerBucketEmptyEvent;
@@ -154,7 +155,7 @@ public class ItemBucket extends Item {
                     world.makeSound((float) i + 0.5F, (float) j + 0.5F, (float) k + 0.5F, "random.fizz", 0.5F, 2.6F + (world.random.nextFloat() - world.random.nextFloat()) * 0.8F);
 
                     for (int l = 0; l < 8; ++l) {
-                        world.addParticle(EnumParticle.SMOKE_LARGE, (double) i + Math.random(), (double) j + Math.random(), (double) k + Math.random(), 0.0D, 0.0D, 0.0D, new int[0]);
+                        world.addParticle(EnumParticle.SMOKE_LARGE, (double) i + Math.random(), (double) j + Math.random(), (double) k + Math.random(), 0.0D, 0.0D, 0.0D, Constants.EMPTY_ARRAY);
                     }
                 } else {
                     if (!world.isClientSide && flag && !material.isLiquid()) {

eSpigot-Server/src/main/java/net/minecraft/server/ItemEnderEye.java

@@ -1,5 +1,7 @@
 package net.minecraft.server;
 
+import com.elevatemc.spigot.util.Constants;
+
 public class ItemEnderEye extends Item {
 
     public ItemEnderEye() {
@@ -25,7 +27,7 @@ public class ItemEnderEye extends Item {
                     double d4 = 0.0D;
                     double d5 = 0.0D;
 
-                    world.addParticle(EnumParticle.SMOKE_NORMAL, d0, d1, d2, d3, d4, d5, new int[0]);
+                    world.addParticle(EnumParticle.SMOKE_NORMAL, d0, d1, d2, d3, d4, d5, Constants.EMPTY_ARRAY);
                 }
 
                 EnumDirection enumdirection1 = (EnumDirection) iblockdata.get(BlockEnderPortalFrame.FACING);

eSpigot-Server/src/main/java/net/minecraft/server/MinecraftServer.java

@@ -16,6 +16,7 @@ import io.netty.buffer.ByteBuf;
 import io.netty.buffer.ByteBufOutputStream;
 import io.netty.buffer.Unpooled;
 import io.netty.handler.codec.base64.Base64;
+import io.netty.util.ResourceLeakDetector;
 import joptsimple.OptionSet;
 import com.elevatemc.spigot.eSpigot;
 import net.minecrell.terminalconsole.TerminalConsoleAppender;
@@ -176,7 +177,7 @@ public abstract class MinecraftServer implements Runnable, ICommandListener, IAs
     private final ThreadingManager threadingManager;
 
     public MinecraftServer(OptionSet options, Proxy proxy, File file1) {
-        io.netty.util.ResourceLeakDetector.setEnabled(false); // Spigot - disable
+        io.netty.util.ResourceLeakDetector.setLevel(ResourceLeakDetector.Level.DISABLED); // [Nacho-0040] Change deprecated Netty parameter // Spigot - disable
         this.e = proxy;
         this.threadingManager = new ThreadingManager();
         MinecraftServer.l = this;

eSpigot-Server/src/main/java/net/minecraft/server/MobEffectList.java

@@ -1,5 +1,6 @@
 package net.minecraft.server;
 
+import com.eatthepath.uuid.FastUUID;
 import com.google.common.collect.Maps;
 import java.util.Iterator;
 import java.util.Map;
@@ -194,7 +195,7 @@ public class MobEffectList {
     }
 
     public MobEffectList a(IAttribute iattribute, String s, double d0, int i) {
-        AttributeModifier attributemodifier = new AttributeModifier(UUID.fromString(s), this.a(), d0, i);
+        AttributeModifier attributemodifier = new AttributeModifier(FastUUID.parseUUID(s), this.a(), d0, i);
 
         this.J.put(iattribute, attributemodifier);
         return this;

eSpigot-Server/src/main/java/net/minecraft/server/MobSpawnerAbstract.java

@@ -1,5 +1,6 @@
 package net.minecraft.server;
 
+import com.elevatemc.spigot.util.Constants;
 import com.google.common.collect.Lists;
 import java.util.Iterator;
 import java.util.List;
@@ -75,8 +76,8 @@ public abstract class MobSpawnerAbstract {
                 double d2 = (float) blockposition.getY() + this.a().random.nextFloat();
 
                 d0 = (float) blockposition.getZ() + this.a().random.nextFloat();
-                this.a().addParticle(EnumParticle.SMOKE_NORMAL, d1, d2, d0, 0.0D, 0.0D, 0.0D, new int[0]);
+                this.a().addParticle(EnumParticle.SMOKE_NORMAL, d1, d2, d0, 0.0D, 0.0D, 0.0D, Constants.EMPTY_ARRAY);
-                this.a().addParticle(EnumParticle.FLAME, d1, d2, d0, 0.0D, 0.0D, 0.0D, new int[0]);
+                this.a().addParticle(EnumParticle.FLAME, d1, d2, d0, 0.0D, 0.0D, 0.0D, Constants.EMPTY_ARRAY);
                 if (this.spawnDelay > 0) {
                     this.spawnDelay -= tickDelay; // PaperSpigot
                 }

eSpigot-Server/src/main/java/net/minecraft/server/NBTTagCompound.java

@@ -1,5 +1,7 @@
 package net.minecraft.server;
 
+import com.elevatemc.spigot.util.Constants;
+
 import java.io.DataInput;
 import java.io.DataOutput;
 import java.io.IOException;
@@ -201,7 +203,7 @@ public class NBTTagCompound extends NBTBase {
 
     public int[] getIntArray(String s) {
         try {
-            return !this.hasKeyOfType(s, 11) ? new int[0] : ((NBTTagIntArray) this.map.get(s)).c();
+            return !this.hasKeyOfType(s, 11) ? Constants.EMPTY_ARRAY : ((NBTTagIntArray) this.map.get(s)).c();
         } catch (ClassCastException classcastexception) {
             throw new ReportedException(this.a(s, 11, classcastexception));
         }

eSpigot-Server/src/main/java/net/minecraft/server/NBTTagList.java

@@ -1,5 +1,6 @@
 package net.minecraft.server;
 
+import com.elevatemc.spigot.util.Constants;
 import com.google.common.collect.Lists;
 import java.io.DataInput;
 import java.io.DataOutput;
@@ -131,9 +132,9 @@ public class NBTTagList extends NBTBase {
         if (i >= 0 && i < this.list.size()) {
             NBTBase nbtbase = this.list.get(i);
 
-            return nbtbase.getTypeId() == 11 ? ((NBTTagIntArray) nbtbase).c() : new int[0];
+            return nbtbase.getTypeId() == 11 ? ((NBTTagIntArray) nbtbase).c() : Constants.EMPTY_ARRAY;
         } else {
-            return new int[0];
+            return Constants.EMPTY_ARRAY;
         }
     }
 

eSpigot-Server/src/main/java/net/minecraft/server/NameReferencingFileConverter.java

@@ -1,5 +1,6 @@
 package net.minecraft.server;
 
+import com.eatthepath.uuid.FastUUID;
 import com.google.common.base.Charsets;
 import com.google.common.base.Predicate;
 import com.google.common.collect.Iterators;
@@ -330,7 +331,7 @@ public class NameReferencingFileConverter {
                         if (uuid == null) {
                             throw new NameReferencingFileConverter.FileConversionException("Missing UUID for user profile " + gameprofile.getName(), null);
                         } else {
-                            this.a(file, this.a(gameprofile), uuid.toString());
+                            this.a(file, this.a(gameprofile), FastUUID.toString(uuid));
                         }
                     }
 

eSpigot-Server/src/main/java/net/minecraft/server/NetworkManager.java

@@ -126,16 +126,6 @@ public class NetworkManager extends SimpleChannelInboundHandler<Packet> {
         super.channelActive(channelhandlercontext);
         this.channel = channelhandlercontext.channel();
         this.l = this.channel.remoteAddress();
-        // eSpigot start
-        ChannelConfig config = this.channel.config();
-        config.setOption(ChannelOption.SO_KEEPALIVE, true);
-        config.setOption(ChannelOption.TCP_NODELAY, true);
-        config.setOption(ChannelOption.TCP_FASTOPEN, 1);
-        config.setOption(ChannelOption.TCP_FASTOPEN_CONNECT, true);
-        config.setOption(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT);
-        config.setOption(ChannelOption.WRITE_BUFFER_WATER_MARK, new WriteBufferWaterMark(8 * 1024, 32 * 1024));
-        config.setOption(ChannelOption.IP_TOS, 0x18);
-        // eSpigot end
 
         // Spigot Start
         this.preparing = false;

eSpigot-Server/src/main/java/net/minecraft/server/OpListEntry.java

@@ -1,5 +1,6 @@
 package net.minecraft.server;
 
+import com.eatthepath.uuid.FastUUID;
 import com.google.gson.JsonObject;
 import com.mojang.authlib.GameProfile;
 import java.util.UUID;
@@ -46,7 +47,7 @@ public class OpListEntry extends JsonListEntry<GameProfile> {
             UUID uuid;
 
             try {
-                uuid = UUID.fromString(s);
+                uuid = FastUUID.parseUUID(s);
             } catch (Throwable throwable) {
                 return null;
             }

eSpigot-Server/src/main/java/net/minecraft/server/PacketLoginOutSuccess.java

@@ -1,5 +1,6 @@
 package net.minecraft.server;
 
+import com.eatthepath.uuid.FastUUID;
 import com.mojang.authlib.GameProfile;
 import java.io.IOException;
 import java.util.UUID;
@@ -17,7 +18,7 @@ public class PacketLoginOutSuccess implements Packet<PacketLoginOutListener> {
     public void a(PacketDataSerializer packetdataserializer) throws IOException {
         String s = packetdataserializer.c(36);
         String s1 = packetdataserializer.c(16);
-        UUID uuid = UUID.fromString(s);
+        UUID uuid = FastUUID.parseUUID(s);
 
         this.a = new GameProfile(uuid, s1);
     }
@@ -25,7 +26,7 @@ public class PacketLoginOutSuccess implements Packet<PacketLoginOutListener> {
     public void b(PacketDataSerializer packetdataserializer) throws IOException {
         UUID uuid = this.a.getId();
 
-        packetdataserializer.a(uuid == null ? "" : uuid.toString());
+        packetdataserializer.a(uuid == null ? "" : FastUUID.toString(uuid));
         packetdataserializer.a(this.a.getName());
     }
 

eSpigot-Server/src/main/java/net/minecraft/server/PacketPlayInCloseWindow.java

@@ -14,6 +14,10 @@ public class PacketPlayInCloseWindow implements Packet<PacketListenerPlayIn> {
     }
     // CraftBukkit end
 
+    public int getId() {
+        return id;
+    }
+
     public void a(PacketListenerPlayIn packetlistenerplayin) {
         packetlistenerplayin.a(this);
     }
@@ -26,3 +30,4 @@ public class PacketPlayInCloseWindow implements Packet<PacketListenerPlayIn> {
         packetdataserializer.writeByte(this.id);
     }
 }
+

eSpigot-Server/src/main/java/net/minecraft/server/PacketPlayOutMapChunk.java

@@ -19,7 +19,7 @@ public class PacketPlayOutMapChunk implements Packet<PacketListenerPlayOut> {
         this.b = chunk.locZ;
         this.d = flag;
         this.c = chunk.getChunkMap(flag, i); // PaperSpigot
-        chunk.world.spigotConfig.antiXrayInstance.obfuscateSync(chunk.locX, chunk.locZ, c.b, c.a, chunk.world);
+        chunk.world.spigotConfig.antiXrayInstance.obfuscate(chunk.locX, chunk.locZ, c.b, c.a, chunk.world);
     }
 
     public void a(PacketDataSerializer packetdataserializer) throws IOException {

eSpigot-Server/src/main/java/net/minecraft/server/PacketPlayOutMapChunkBulk.java

@@ -23,11 +23,11 @@ public class PacketPlayOutMapChunkBulk implements Packet<PacketListenerPlayOut>
 
         for (int j = 0; j < i; ++j) {
             Chunk chunk = list.get(j);
-            PacketPlayOutMapChunk.ChunkMap packetplayoutmapchunk_chunkmap = chunk.getChunkMap(true, '\uffff'); // PaperSpigot
+            PacketPlayOutMapChunk.ChunkMap map = chunk.getChunkMap(true, '\uffff'); // PaperSpigot
 
             this.a[j] = chunk.locX;
             this.b[j] = chunk.locZ;
-            this.c[j] = packetplayoutmapchunk_chunkmap;
+            this.c[j] = map;
         }
         
         world = list.get(0).getWorld(); // Spigot

eSpigot-Server/src/main/java/net/minecraft/server/PathfinderGoalBreed.java

@@ -1,5 +1,7 @@
 package net.minecraft.server;
 
+import com.elevatemc.spigot.util.Constants;
+
 import java.util.Iterator;
 import java.util.List;
 import java.util.Random;
@@ -104,7 +106,7 @@ public class PathfinderGoalBreed extends PathfinderGoal {
                 double d4 = 0.5D + random.nextDouble() * (double) this.d.length;
                 double d5 = random.nextDouble() * (double) this.d.width * 2.0D - (double) this.d.width;
 
-                this.a.addParticle(EnumParticle.HEART, this.d.locX + d3, this.d.locY + d4, this.d.locZ + d5, d0, d1, d2, new int[0]);
+                this.a.addParticle(EnumParticle.HEART, this.d.locX + d3, this.d.locY + d4, this.d.locZ + d5, d0, d1, d2, Constants.EMPTY_ARRAY);
             }
 
             if (this.a.getGameRules().getBoolean("doMobLoot")) {

eSpigot-Server/src/main/java/net/minecraft/server/PlayerConnection.java

@@ -1,5 +1,6 @@
 package net.minecraft.server;
 
+import com.elevatemc.spigot.config.eSpigotConfig;
 import com.elevatemc.spigot.eSpigot;
 import com.elevatemc.spigot.handler.MovementHandler;
 import com.elevatemc.spigot.handler.PacketHandler;
@@ -67,7 +68,6 @@ import co.aikar.timings.SpigotTimings; // Spigot
 // CraftBukkit end
 
 import org.github.paperspigot.PaperSpigotConfig; // PaperSpigot
-import com.elevatemc.spigot.eSpigotFeature;
 
 public class PlayerConnection implements PacketListenerPlayIn, IUpdatePlayerListBox {
 
@@ -636,7 +636,7 @@ public class PlayerConnection implements PacketListenerPlayIn, IUpdatePlayerList
             return;
 
         case 3: // RELEASE_USE_ITEM
-            if (eSpigotFeature.FIX_SPRINT_EAT_EXPLOIT.isEnabled())
+            if (eSpigotConfig.fixSprintEatExploit)
                 this.player.bU(); // eSpigot - Patch eat while running glitch
 
             this.player.setSprinting(true);
@@ -1541,10 +1541,12 @@ public class PlayerConnection implements PacketListenerPlayIn, IUpdatePlayerList
         if (this.player.dead) return; // CraftBukkit
         PlayerConnectionUtils.ensureMainThread(packetplayinclosewindow, this, this.player.u());
 
+        // Nacho: only fire InventoryCloseEvent if inventory is open
+        if (packetplayinclosewindow.getId() == player.activeContainer.windowId) {
             CraftEventFactory.handleInventoryCloseEvent(this.player); // CraftBukkit
-
             this.player.p();
         }
+    }
 
     public void a(PacketPlayInWindowClick packetplayinwindowclick) {
         if (this.player.dead) return; // CraftBukkit

eSpigot-Server/src/main/java/net/minecraft/server/PlayerList.java

@@ -1,5 +1,7 @@
 package net.minecraft.server;
 
+import com.eatthepath.uuid.FastUUID;
+import com.elevatemc.spigot.config.eSpigotConfig;
 import com.elevatemc.spigot.console.PandaConsoleCommandSender;
 import com.google.common.collect.Lists;
 import com.google.common.collect.Maps;
@@ -9,14 +11,8 @@ import io.netty.buffer.Unpooled;
 import java.io.File;
 import java.net.SocketAddress;
 import java.text.SimpleDateFormat;
-import java.util.ArrayList;
+import java.util.*;
-import java.util.Collection;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Map;
-import java.util.UUID;
 
-import com.elevatemc.spigot.eSpigotFeature;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 
@@ -57,6 +53,7 @@ public abstract class PlayerList {
     private final GameProfileBanList k;
     private final IpBanList l;
     private final OpList operators;
+    private Set<UUID> fastOperator = new HashSet<>();
     private final WhiteList whitelist;
     private final Map<UUID, ServerStatisticManager> o;
     public IPlayerFileData playerFileData;
@@ -79,6 +76,9 @@ public abstract class PlayerList {
         this.k = new GameProfileBanList(PlayerList.a);
         this.l = new IpBanList(PlayerList.b);
         this.operators = new OpList(PlayerList.c);
+        for (OpListEntry value : this.operators.getValues()) {
+            this.fastOperator.add(value.getKey().getId());
+        }
         this.whitelist = new WhiteList(PlayerList.d);
         this.o = Maps.newHashMap();
         this.server = minecraftserver;
@@ -328,11 +328,11 @@ public abstract class PlayerList {
         for (EntityPlayer player : this.players) {
             EntityPlayer entityplayer1 = player;
 
-            if (eSpigotFeature.SHOW_HIDDEN_PLAYERS_IN_TAB.isEnabled() || entityplayer1.getBukkitEntity().canSee(entityplayer.getBukkitEntity())) {
+            if (eSpigotConfig.showHiddenPlayersInTab || entityplayer1.getBukkitEntity().canSee(entityplayer.getBukkitEntity())) {
                 entityplayer1.playerConnection.sendPacket(packet);
             }
 
-            if (!entityplayer.getBukkitEntity().canSee(entityplayer1.getBukkitEntity()) && !eSpigotFeature.SHOW_HIDDEN_PLAYERS_IN_TAB.isEnabled()) {
+            if (!entityplayer.getBukkitEntity().canSee(entityplayer1.getBukkitEntity()) && !eSpigotConfig.showHiddenPlayersInTab) {
                 continue;
             }
 
@@ -1020,6 +1020,7 @@ public abstract class PlayerList {
 
     public void addOp(GameProfile gameprofile) {
         this.operators.add(new OpListEntry(gameprofile, this.server.p(), this.operators.b(gameprofile)));
+        this.fastOperator.add(gameprofile.getId());
 
         // CraftBukkit start
         Player player = server.server.getPlayer(gameprofile.getId());
@@ -1031,6 +1032,7 @@ public abstract class PlayerList {
 
     public void removeOp(GameProfile gameprofile) {
         this.operators.remove(gameprofile);
+        this.fastOperator.remove(gameprofile.getId());
 
         // CraftBukkit start
         Player player = server.server.getPlayer(gameprofile.getId());
@@ -1041,11 +1043,11 @@ public abstract class PlayerList {
     }
 
     public boolean isWhitelisted(GameProfile gameprofile) {
-        return !this.hasWhitelist || this.operators.d(gameprofile) || this.whitelist.d(gameprofile);
+        return !this.hasWhitelist || this.fastOperator.contains(gameprofile.getId()) || this.whitelist.d(gameprofile);
     }
 
     public boolean isOp(GameProfile gameprofile) {
-        return this.operators.d(gameprofile) || this.server.T() && this.server.worlds.get(0).getWorldData().v() && this.server.S().equalsIgnoreCase(gameprofile.getName()) || this.t; // CraftBukkit
+        return this.fastOperator.contains(gameprofile.getId()) || this.server.T() && this.server.worlds.get(0).getWorldData().v() && this.server.S().equalsIgnoreCase(gameprofile.getName()) || this.t; // CraftBukkit
     }
 
     public EntityPlayer getPlayer(String s) {
@@ -1057,6 +1059,7 @@ public abstract class PlayerList {
     }
 
     public void sendPacketNearby(EntityHuman entityhuman, double d0, double d1, double d2, double d3, int i, Packet packet) {
+        double squared = d3 * d3;
         for (EntityPlayer player : this.players) {
             EntityPlayer entityplayer = player;
 
@@ -1071,7 +1074,7 @@ public abstract class PlayerList {
                 double d5 = d1 - entityplayer.locY;
                 double d6 = d2 - entityplayer.locZ;
 
-                if (d4 * d4 + d5 * d5 + d6 * d6 < d3 * d3) {
+                if (d4 * d4 + d5 * d5 + d6 * d6 < squared) {
                     entityplayer.playerConnection.sendPacket(packet);
                 }
             }
@@ -1249,7 +1252,7 @@ public abstract class PlayerList {
 
         if (serverstatisticmanager == null) {
             File file = new File(this.server.getWorldServer(0).getDataManager().getDirectory(), "stats");
-            File file1 = new File(file, uuid.toString() + ".json");
+            File file1 = new File(file, FastUUID.toString(uuid) + ".json");
 
             if (!file1.exists()) {
                 File file2 = new File(file, entityhuman.getName() + ".json");

eSpigot-Server/src/main/java/net/minecraft/server/ServerConnection.java

@@ -4,12 +4,8 @@ import com.google.common.collect.Lists;
 import com.google.common.util.concurrent.ThreadFactoryBuilder;
 import com.velocitypowered.natives.util.Natives;
 import io.netty.bootstrap.ServerBootstrap;
-import io.netty.channel.Channel;
+import io.netty.buffer.PooledByteBufAllocator;
-import io.netty.channel.ChannelException;
+import io.netty.channel.*;
-import io.netty.channel.ChannelFuture;
-import io.netty.channel.ChannelInitializer;
-import io.netty.channel.ChannelOption;
-import io.netty.channel.EventLoopGroup;
 import io.netty.channel.epoll.Epoll;
 import io.netty.channel.epoll.EpollEventLoopGroup;
 import io.netty.channel.epoll.EpollServerSocketChannel;
@@ -92,6 +88,7 @@ public class ServerConnection {
             Class oclass;
             LazyInitVar lazyinitvar;
 
+            try {
                 if (Epoll.isAvailable() && this.f.ai()) {
                     // PandaSpigot start - Unix domain socket support
                     if (address instanceof io.netty.channel.unix.DomainSocketAddress) {
@@ -107,6 +104,12 @@ public class ServerConnection {
                     lazyinitvar = ServerConnection.a;
                     ServerConnection.e.info("Using default channel type");
                 }
+            } catch (Exception e) {
+                ServerConnection.e.warn("An error occurred trying to check if Epoll is available, falling back to default channel type.");
+                oclass = NioServerSocketChannel.class;
+                lazyinitvar = ServerConnection.a;
+                ServerConnection.e.info("Using default channel type");
+            }
 
             // Paper start - indicate Velocity natives in use
             MinecraftServer.LOGGER.info("Using " + Natives.compress.getLoadedVariant() + " compression from Velocity.");
@@ -115,11 +118,6 @@ public class ServerConnection {
 
             this.g.add((new ServerBootstrap()).channel(oclass).childHandler(new ChannelInitializer() {
                 protected void initChannel(Channel channel) throws Exception {
-                    try {
-                        channel.config().setOption(ChannelOption.TCP_NODELAY, Boolean.TRUE);
-                    } catch (ChannelException ignored) {
-                    }
-
                     // KigPaper start
                     if(PaperSpigotConfig.nettyReadTimeout) channel.pipeline().addLast("timeout", new ReadTimeoutHandler(30));
                     // KigPaper end

eSpigot-Server/src/main/java/net/minecraft/server/ServerPing.java

@@ -1,5 +1,6 @@
 package net.minecraft.server;
 
+import com.eatthepath.uuid.FastUUID;
 import com.google.gson.JsonArray;
 import com.google.gson.JsonDeserializationContext;
 import com.google.gson.JsonDeserializer;
@@ -202,7 +203,7 @@ public class ServerPing {
                             JsonObject jsonobject1 = ChatDeserializer.l(jsonarray.get(i), "player[" + i + "]");
                             String s = ChatDeserializer.h(jsonobject1, "id");
 
-                            agameprofile[i] = new GameProfile(UUID.fromString(s), ChatDeserializer.h(jsonobject1, "name"));
+                            agameprofile[i] = new GameProfile(FastUUID.parseUUID(s), ChatDeserializer.h(jsonobject1, "name"));
                         }
 
                         serverping_serverpingplayersample.a(agameprofile);
@@ -224,7 +225,7 @@ public class ServerPing {
                         JsonObject jsonobject1 = new JsonObject();
                         UUID uuid = serverping_serverpingplayersample.c()[i].getId();
 
-                        jsonobject1.addProperty("id", uuid == null ? "" : uuid.toString());
+                        jsonobject1.addProperty("id", uuid == null ? "" : FastUUID.toString(uuid));
                         jsonobject1.addProperty("name", serverping_serverpingplayersample.c()[i].getName());
                         jsonarray.add(jsonobject1);
                     }

eSpigot-Server/src/main/java/net/minecraft/server/SpawnerCreature.java

@@ -5,6 +5,7 @@ import java.util.List;
 import java.util.Random;
 
 // CraftBukkit start
+import it.unimi.dsi.fastutil.objects.ObjectIterator;
 import org.bukkit.craftbukkit.util.LongHash;
 import org.bukkit.craftbukkit.util.LongHashSet;
 import org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason;
@@ -20,28 +21,40 @@ public final class SpawnerCreature {
     // Spigot start - get entity count only from chunks being processed in b
     private int getEntityCount(WorldServer server, Class oClass)
     {
+        // NachoSpigot start - remove Steam
+        int sum = 0;
+        for (ObjectIterator<Chunk> objectIterator = (server.chunkProviderServer).chunks.values().iterator(); objectIterator.hasNext(); ) {
+            Chunk c = objectIterator.next();
+            sum += c.entityCount.get(oClass);
+        }
+        return sum;
+        // NachoSpigot end
+
+
         // TacoSpigot start - use entire world, not just active chunks. Spigot broke vanilla expectations.
-        if (true) {
+//        if (true) {
-            return server
+//
-                    .chunkProviderServer
+//            server.chunkProviderServer.chunks.values().iterator()
-                    .chunks.values()
+//            return server
-                    .stream()
+//                    .chunkProviderServer
-                    .collect(java.util.stream.Collectors.summingInt(c -> c.entityCount.get(oClass)));
+//                    .chunks.values()
-        }
+//                    .stream()
-        // TacoSpigot end
+//                    .collect(java.util.stream.Collectors.summingInt(c -> c.entityCount.get(oClass)));
-        int i = 0;
+//        }
-        Iterator<Long> it = this.b.iterator();
+//        // TacoSpigot end
-        while ( it.hasNext() )
+//        int i = 0;
-        {
+//        Iterator<Long> it = this.b.iterator();
-            Long coord = it.next();
+//        while ( it.hasNext() )
-            int x = LongHash.msw( coord );
+//        {
-            int z = LongHash.lsw( coord );
+//            Long coord = it.next();
-            if ( !server.chunkProviderServer.unloadQueue.contains( coord ) && server.isChunkLoaded( x, z, true ) )
+//            int x = LongHash.msw( coord );
-            {
+//            int z = LongHash.lsw( coord );
-                i += server.getChunkAt( x, z ).entityCount.get( oClass );
+//            if ( !server.chunkProviderServer.unloadQueue.contains( coord ) && server.isChunkLoaded( x, z, true ) )
-            }
+//            {
-        }
+//                i += server.getChunkAt( x, z ).entityCount.get( oClass );
-        return i;
+//            }
+//        }
+//        return i;
     }
     // Spigot end
 

eSpigot-Server/src/main/java/net/minecraft/server/TileEntityEnchantTable.java

@@ -1,5 +1,7 @@
 package net.minecraft.server;
 
+import com.elevatemc.spigot.config.eSpigotConfig;
+
 import java.util.Random;
 
 public class TileEntityEnchantTable extends TileEntity implements IUpdatePlayerListBox, ITileEntityContainer {
@@ -36,6 +38,9 @@ public class TileEntityEnchantTable extends TileEntity implements IUpdatePlayerL
     }
 
     public void c() {
+        if (!eSpigotConfig.enchantmentTableTicking) {
+            return;
+        }
         this.k = this.j;
         this.m = this.l;
         EntityHuman entityhuman = this.world.findNearbyPlayer((double) ((float) this.position.getX() + 0.5F), (double) ((float) this.position.getY() + 0.5F), (double) ((float) this.position.getZ() + 0.5F), 3.0D);

eSpigot-Server/src/main/java/net/minecraft/server/TileEntityFurnace.java

@@ -350,6 +350,8 @@ public class TileEntityFurnace extends TileEntityContainer implements IUpdatePla
                 }
             }
 
+            if(item == Items.COAL) return 1600;
+
             return item instanceof ItemTool && ((ItemTool) item).h().equals("WOOD") ? 200 : (item instanceof ItemSword && ((ItemSword) item).h().equals("WOOD") ? 200 : (item instanceof ItemHoe && ((ItemHoe) item).g().equals("WOOD") ? 200 : (item == Items.STICK ? 100 : (item == Items.COAL ? 1600 : (item == Items.LAVA_BUCKET ? 20000 : (item == Item.getItemOf(Blocks.SAPLING) ? 100 : (item == Items.BLAZE_ROD ? 2400 : 0)))))));
         }
     }

eSpigot-Server/src/main/java/net/minecraft/server/TileEntityHopper.java

@@ -202,7 +202,7 @@ public class TileEntityHopper extends TileEntityContainer implements IHopper, IU
                 }
             }
             // PaperSpigot start
-            if (world.paperSpigotConfig.useHopperCheck && !world.tacoSpigotConfig.isHopperPushBased && !this.n()) { // TacoSpigot - dont use hopper check in push mode
+            if (world.paperSpigotConfig.useHopperCheck && !world.paperSpigotConfig.isHopperPushBased && !this.n()) { // TacoSpigot - dont use hopper check in push mode
                 this.d(world.spigotConfig.hopperCheck);
             }
             // PaperSpigot end
@@ -367,7 +367,7 @@ public class TileEntityHopper extends TileEntityContainer implements IHopper, IU
     @Deprecated
     public static boolean a(IHopper ihopper) {
         IInventory iinventory;
-        if (ihopper.getWorld().tacoSpigotConfig.isHopperPushBased && ihopper instanceof TileEntityHopper) {
+        if (ihopper.getWorld().paperSpigotConfig.isHopperPushBased && ihopper instanceof TileEntityHopper) {
             BlockPosition pos = ((TileEntityHopper) ihopper).getPosition().up(); // Only pull from a above, because everything else comes to us
             iinventory = HopperHelper.getInventory(ihopper.getWorld(), pos);
         } else {
@@ -403,7 +403,7 @@ public class TileEntityHopper extends TileEntityContainer implements IHopper, IU
                     }
                 }
             }
-        } else if (!ihopper.getWorld().tacoSpigotConfig.isHopperPushBased || !(ihopper instanceof TileEntityHopper)) { // TacoSpigot - only search for entities in 'pull mode'
+        } else if (!ihopper.getWorld().paperSpigotConfig.isHopperPushBased || !(ihopper instanceof TileEntityHopper)) { // TacoSpigot - only search for entities in 'pull mode'
 
             for (EntityItem entityitem : a(ihopper.getWorld(), ihopper.A(), ihopper.B() + 1.0D, ihopper.C())) {
                 if (a(ihopper, entityitem)) {

eSpigot-Server/src/main/java/net/minecraft/server/UserCache.java

@@ -1,5 +1,6 @@
 package net.minecraft.server;
 
+import com.eatthepath.uuid.FastUUID;
 import com.google.common.base.Charsets;
 import com.google.common.collect.Iterators;
 import com.google.common.collect.Lists;
@@ -287,7 +288,7 @@ public class UserCache {
             jsonobject.addProperty("name", usercache_usercacheentry.a().getName());
             UUID uuid = usercache_usercacheentry.a().getId();
 
-            jsonobject.addProperty("uuid", uuid == null ? "" : uuid.toString());
+            jsonobject.addProperty("uuid", uuid == null ? "" : FastUUID.toString(uuid));
             jsonobject.addProperty("expiresOn", UserCache.a.format(usercache_usercacheentry.b()));
             return jsonobject;
         }
@@ -316,7 +317,7 @@ public class UserCache {
                         UUID uuid;
 
                         try {
-                            uuid = UUID.fromString(s);
+                            uuid = FastUUID.parseUUID(s);
                         } catch (Throwable throwable) {
                             return null;
                         }