PlayerManagement.java

package com.laytonsmith.core.functions;

import com.laytonsmith.PureUtilities.Common.StringUtils;
import com.laytonsmith.PureUtilities.Vector3D;
import com.laytonsmith.PureUtilities.Version;
import com.laytonsmith.abstraction.MCBlockCommandSender;
import com.laytonsmith.abstraction.MCCommandSender;
import com.laytonsmith.abstraction.MCConsoleCommandSender;
import com.laytonsmith.abstraction.MCEntity;
import com.laytonsmith.abstraction.MCItemStack;
import com.laytonsmith.abstraction.MCLocation;
import com.laytonsmith.abstraction.MCOfflinePlayer;
import com.laytonsmith.abstraction.MCPlayer;
import com.laytonsmith.abstraction.MCServer;
import com.laytonsmith.abstraction.MCWorld;
import com.laytonsmith.abstraction.StaticLayer;
import com.laytonsmith.abstraction.blocks.MCBlock;
import com.laytonsmith.abstraction.enums.MCGameMode;
import com.laytonsmith.abstraction.enums.MCSound;
import com.laytonsmith.abstraction.enums.MCSoundCategory;
import com.laytonsmith.abstraction.enums.MCWeather;
import com.laytonsmith.annotations.api;
import com.laytonsmith.annotations.hide;
import com.laytonsmith.annotations.seealso;
import com.laytonsmith.commandhelper.CommandHelperPlugin;
import com.laytonsmith.core.CHLog;
import com.laytonsmith.core.CHVersion;
import com.laytonsmith.core.LogLevel;
import com.laytonsmith.core.ObjectGenerator;
import com.laytonsmith.core.Static;
import com.laytonsmith.core.constructs.CArray;
import com.laytonsmith.core.constructs.CBoolean;
import com.laytonsmith.core.constructs.CDouble;
import com.laytonsmith.core.constructs.CInt;
import com.laytonsmith.core.constructs.CNull;
import com.laytonsmith.core.constructs.CString;
import com.laytonsmith.core.constructs.CVoid;
import com.laytonsmith.core.constructs.Construct;
import com.laytonsmith.core.constructs.Target;
import com.laytonsmith.core.environments.CommandHelperEnvironment;
import com.laytonsmith.core.environments.Environment;
import com.laytonsmith.core.environments.GlobalEnv;
import com.laytonsmith.core.exceptions.CRE.CREBadEntityException;
import com.laytonsmith.core.exceptions.CRE.CRECastException;
import com.laytonsmith.core.exceptions.CRE.CREFormatException;
import com.laytonsmith.core.exceptions.CRE.CREIllegalArgumentException;
import com.laytonsmith.core.exceptions.CRE.CREInsufficientArgumentsException;
import com.laytonsmith.core.exceptions.CRE.CREInvalidWorldException;
import com.laytonsmith.core.exceptions.CRE.CRELengthException;
import com.laytonsmith.core.exceptions.CRE.CRENotFoundException;
import com.laytonsmith.core.exceptions.CRE.CRENullPointerException;
import com.laytonsmith.core.exceptions.CRE.CREPlayerOfflineException;
import com.laytonsmith.core.exceptions.CRE.CREPluginInternalException;
import com.laytonsmith.core.exceptions.CRE.CRERangeException;
import com.laytonsmith.core.exceptions.CRE.CREThrowable;
import com.laytonsmith.core.exceptions.CancelCommandException;
import com.laytonsmith.core.exceptions.ConfigCompileException;
import com.laytonsmith.core.exceptions.ConfigRuntimeException;

import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Enumeration;
import java.util.HashSet;
import java.util.Properties;
import java.util.SortedMap;
import java.util.TreeMap;
import java.util.UUID;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 *
 */
public class PlayerManagement {

	public static String docs() {
		return "This class of functions allow players to be managed";
	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class player extends AbstractFunction {

		@Override
		public String getName() {
			return "player";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{0, 1};
		}

		@Override
		public Construct exec(Target t, Environment env, Construct... args) throws CancelCommandException, ConfigRuntimeException {
			MCCommandSender p = env.getEnv(CommandHelperEnvironment.class).GetCommandSender();

			if (args.length == 1) {
				p = Static.GetPlayer(args[0], t);
			}

			// assuming p is not null, just return the name set by the CommandSender
			// for player entities in CraftBukkit, this is the player's name, and
			// for the console it's "CONSOLE". For CommandBlocks it's "@" unless it has been renamed.
			if (p == null) {
				return CNull.NULL;
			} else {
				String name = p.getName();
				if (p instanceof MCConsoleCommandSender || "CONSOLE".equals(name)) {
					name = Static.getConsoleName();
				}
				if (p instanceof MCBlockCommandSender) {
					name = Static.getBlockPrefix() + name;
				}
				return new CString(name, t);
			}
		}

		@Override
		public String docs() {
			return "string {[playerName]} Returns the full name of the partial Player name specified or the Player running the command otherwise."
					+ " If the command is being run from the console, then the string '" + Static.getConsoleName()
					+ "' is returned. If the command came from a CommandBlock, the block's name prefixed with "
					+ Static.getBlockPrefix() + " is returned. If the command is coming from elsewhere,"
					+ " returns a string chosen by the sender of this command (or null)."
					+ " Note that most functions won't support console or block names (they'll throw a PlayerOfflineException),"
					+ " but you can use this to determine where a command is being run from.";
		}

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CREPlayerOfflineException.class};
		}

		@Override
		public boolean isRestricted() {
			return false;
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_0_1;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class puuid extends AbstractFunction {

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CREPlayerOfflineException.class, CRENotFoundException.class};
		}

		@Override
		public boolean isRestricted() {
			return false;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment environment, Construct... args) throws ConfigRuntimeException {
			MCOfflinePlayer pl = environment.getEnv(CommandHelperEnvironment.class).GetPlayer();
			boolean dashless = false;
			if (args.length >= 1) {
				try {
					pl = Static.GetPlayer(args[0], t);
				} catch (ConfigRuntimeException cre) {
					pl = Static.GetUser(args[0], t);
				}
			}
			if (args.length == 2) {
				dashless = Static.getBoolean(args[1]);
			}
			if (pl == null) {
				throw new CREPlayerOfflineException("No matching player could be found.", t);
			}
			UUID uuid = pl.getUniqueID();
			if (uuid == null) {
				throw new CRENotFoundException(
						"Could not find the UUID of the player (are you running in cmdline mode?)", t);
			}
			String uuidStr = uuid.toString();
			return new CString(dashless ? uuidStr.replace("-", "") : uuidStr, t);
		}

		@Override
		public String getName() {
			return "puuid";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{0, 1, 2};
		}

		@Override
		public String docs() {
			return "UUID {[player], [dashless]} Returns the uuid of the current player or the specified player."
					+ " This will attempt to find an offline player, but if that also fails,"
					+ " a PlayerOfflineException will be thrown.";
		}

		@Override
		public Version since() {
			return CHVersion.V3_3_1;
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class all_players extends AbstractFunction {

		@Override
		public String getName() {
			return "all_players";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{0, 1};
		}

		@Override
		public Construct exec(Target t, Environment env, Construct... args) throws CancelCommandException, ConfigRuntimeException {
			CArray players = new CArray(t);
			if (args.length == 0) {
				for (MCPlayer player : Static.getServer().getOnlinePlayers()) {
					players.push(new CString(player.getName(), t), t);
				}
			} else {
				MCWorld world = Static.getServer().getWorld(args[0].val());
				if (world == null) {
					throw new CREInvalidWorldException("Unknown world: " + args[0].val(), t);
				}
				for (MCPlayer player : world.getPlayers()) {
					if(player.isOnline()){
						players.push(new CString(player.getName(), t), t);
					}
				}
			}
			return players;
		}

		@Override
		public String docs() {
			return "array {[world]} Returns an array of all the player names of all the online players on the server, if world is given only the name of the players in this world will be returned.";
		}

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CREInvalidWorldException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_0_1;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class players_in_radius extends AbstractFunction {

		@Override
		public String getName() {
			return "players_in_radius";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{1, 2};
		}

		boolean inRadius(MCPlayer player, double dist, MCLocation loc) {
			if (!(player.getWorld().equals(loc.getWorld()))) {
				return false;
			}

			double x1 = player.getLocation().getX();
			double y1 = player.getLocation().getY();
			double z1 = player.getLocation().getZ();

			double x2 = loc.getX();
			double y2 = loc.getY();
			double z2 = loc.getZ();

			double distance = java.lang.Math.sqrt(
					(x1 - x2) * (x1 - x2)
					+ (y1 - y2) * (y1 - y2)
					+ (z1 - z2) * (z1 - z2));

			if (distance <= dist) {
				return true;
			}

			return false;
		}

		@Override
		public Construct exec(Target t, Environment env, Construct... args) throws CancelCommandException, ConfigRuntimeException {
			Collection<MCPlayer> pa = Static.getServer().getOnlinePlayers();
			MCPlayer p = env.getEnv(CommandHelperEnvironment.class).GetPlayer();

			MCLocation loc;
			double dist;

			if (args.length == 1) {
				dist = Static.getDouble(args[0], t);
				Static.AssertPlayerNonNull(p, t);
				loc = p.getLocation();
			} else {
				if (!(args[0] instanceof CArray)) {
					throw new CRECastException("Expecting an array at parameter 1 of players_in_radius", t);
				}

				loc = ObjectGenerator.GetGenerator().location(args[0], p != null ? p.getWorld() : null, t);
				dist = Static.getDouble(args[1], t);
			}

			CArray sa = new CArray(t);

			for (MCPlayer pa1 : pa) {
				if (inRadius(pa1, dist, loc)) {
					sa.push(new CString(pa1.getName(), t), t);
				}
			}

			return sa;
		}

		@Override
		public String docs() {
			return "array {[location array], distance} Returns an array of all the player names of all the online players within the given radius";
		}

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CRECastException.class, CREFormatException.class,
				CREPlayerOfflineException.class, CRENotFoundException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_3_1;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class ploc extends AbstractFunction {

		@Override
		public String getName() {
			return "ploc";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{0, 1};
		}

		@Override
		public Construct exec(Target t, Environment env, Construct... args) throws CancelCommandException, ConfigRuntimeException {
			MCPlayer p;
			if (args.length == 0) {
				p = env.getEnv(CommandHelperEnvironment.class).GetPlayer();
				Static.AssertPlayerNonNull(p, t);
			} else {
				p = Static.GetPlayer(args[0], t);
			}
			MCLocation location = p.getLocation();
			if (location == null) {
				throw new CRENotFoundException(
						"Could not find the location of the player (are you running in cmdline mode?)", t);
			}
			location.setY(location.getY() - 1);
			return ObjectGenerator.GetGenerator().location(location);
		}

		@Override
		public String docs() {
			return "array {[playerName]} Returns an array of x, y, z coords of the player specified, or the player running the command otherwise. Note that the y coordinate is"
					+ " in relation to the block the player is standing on. The array returned will also include the player's world.";
		}

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CREPlayerOfflineException.class, CRENotFoundException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_0_1;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class set_ploc extends AbstractFunction {

		@Override
		public String getName() {
			return "set_ploc";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{1, 2, 3, 4};
		}

		@Override
		public String docs() {
			return "boolean {[player], locationArray | [player], x, y, z} Sets the location of the player to the"
					+ " specified coordinates. If the coordinates are not valid, or the player was otherwise prevented"
					+ " from teleporting, false is returned, otherwise true. If player is omitted, the current player"
					+ " is used. Note that 1 is automatically added to the y coordinate.";
		}

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CRECastException.class, CRELengthException.class, CREPlayerOfflineException.class,
					CREFormatException.class, CREInvalidWorldException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_1_0;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment env, Construct... args) throws CancelCommandException, ConfigRuntimeException {
			MCPlayer p = env.getEnv(CommandHelperEnvironment.class).GetPlayer();
			MCLocation l;
			if (args.length <= 2){
				if(!(args[args.length - 1] instanceof CArray)){
					throw new CRECastException("Expecting an array at parameter " + args.length + " of set_ploc", t);
				}
				CArray ca = (CArray) args[args.length - 1];

				if(args.length == 2){
					p = Static.GetPlayer(args[0], t);
				} else {
					Static.AssertPlayerNonNull(p, t);
				}

				l = ObjectGenerator.GetGenerator().location(ca, p.getWorld(), t);

				// set yaw/pitch to current player values if not given
				MCLocation ploc = p.getLocation();
				if(ca.isAssociative()){
					if(!(ca.containsKey("yaw"))){
						l.setYaw(ploc.getYaw());
					}
					if(!(ca.containsKey("pitch"))){
						l.setPitch(ploc.getPitch());
					}
				} else if(ca.size() < 5){
					l.setYaw(ploc.getYaw());
					l.setPitch(ploc.getPitch());
				}
			} else {
				if(args.length == 4){
					p = Static.GetPlayer(args[0], t);
				} else {
					Static.AssertPlayerNonNull(p, t);
				}

				double x = Static.getNumber(args[args.length - 3], t);
				double y = Static.getNumber(args[args.length - 2], t);
				double z = Static.getNumber(args[args.length - 1], t);
				float yaw = 0;
				float pitch = 0;
				MCLocation ploc = p.getLocation();
				if(ploc != null){
					yaw = ploc.getYaw();
					pitch = ploc.getPitch();
				}
				l = StaticLayer.GetLocation(p.getWorld(), x, y, z, yaw, pitch);
			}

			l.add(0, 1, 0);
			return CBoolean.get(p.teleport(l));
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class pcursor extends AbstractFunction {

		@Override
		public String getName() {
			return "pcursor";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{0, 1, 2};
		}

		@Override
		public String docs() {
			return "array {[player], [array]} Returns an array with the (x, y, z, world) coordinates of the block the player has highlighted"
					+ " in their crosshairs. If player is omitted, the current player is used. If the block is too far, a"
					+ " RangeException is thrown. An array of ids to be considered transparent can be supplied, otherwise"
					+ " only air will be considered transparent. Providing an empty array will cause air to be considered"
					+ " a potential target, allowing a way to get the block containing the player's head.";
		}

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CREPlayerOfflineException.class, CRERangeException.class,
					CREFormatException.class, CRECastException.class, CREPluginInternalException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_0_2;
		}

		@Override
		public Construct exec(Target t, Environment env, Construct... args) throws CancelCommandException, ConfigRuntimeException {
			MCPlayer p = env.getEnv(CommandHelperEnvironment.class).GetPlayer();
			HashSet<Short> trans = null;
			if (args.length == 1) {
				if(args[0] instanceof CArray) {
					CArray ta = (CArray) args[0];
					trans = new HashSet<Short>();
					for (int i=0; i < ta.size(); i++) {
						trans.add(Static.getInt16(ta.get(i, t), t));
					}
				} else {
					p = Static.GetPlayer(args[0], t);
				}
			} else if (args.length == 2) {
				p = Static.GetPlayer(args[0], t);
				if(args[1] instanceof CArray) {
					CArray ta = (CArray) args[1];
					trans = new HashSet<Short>();
					for (int i=0; i < ta.size(); i++) {
						trans.add(Static.getInt16(ta.get(i, t), t));
					}
				} else {
					throw new CREFormatException("An array was expected for argument 2 but received " + args[1], t);
				}
			}
			Static.AssertPlayerNonNull(p, t);
			MCBlock b;
			try {
				b = p.getTargetBlock(trans, 10000, false);
			} catch (IllegalStateException ise) {
				throw new CREPluginInternalException("The server's method of finding the target block has failed."
						+ " There is nothing that can be done about this except standing somewhere else.", t);
			}
			if (b == null) {
				throw new CRERangeException("No block in sight, or block too far", t);
			} else {
				return ObjectGenerator.GetGenerator().location(b.getLocation(), false);
			}
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public ExampleScript[] examples() throws ConfigCompileException {
			return new ExampleScript[]{
					new ExampleScript("Demonstrates finding a non-air block", "msg(pcursor())", "{0: -127, 1: 75, 2: 798, 3: world, x: -127, y: 75, z: 798, world: world}"),
					new ExampleScript("Demonstrates looking above the skyline", "msg(pcursor())",
							"(Throws RangeException: No block in sight, or block too far)"),
					new ExampleScript("Demonstrates getting your target while ignoring torches and bedrock",
							"msg(pcursor(array(50, 7)))", "{0: -127, 1: 75, 2: 798, 3: world, x: -127, y: 75, z: 798, world: world}"),
					new ExampleScript("Demonstrates getting Notch's target while ignoring air, water, and lava",
							"msg(pcursor('Notch', array(0, 8, 9, 10, 11)))", "{0: -127, 1: 75, 2: 798, 3: world, x: -127, y: 75, z: 798, world: world}")
			};
		}
	}

	@api
	public static class ptarget_space extends AbstractFunction {

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CREPlayerOfflineException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment environment, Construct... args) throws ConfigRuntimeException {
			MCPlayer p = environment.getEnv(CommandHelperEnvironment.class).GetPlayer();
			if(args.length > 0){
				p = Static.GetPlayer(args[0], t);
			}
			Static.AssertPlayerNonNull(p, t);
			return ObjectGenerator.GetGenerator().location(p.getLastTwoTargetBlocks(null, 10000).get(0).getLocation(), false);
		}

		@Override
		public String getName() {
			return "ptarget_space";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{0, 1};
		}

		@Override
		public String docs() {
			return "{[player]} Returns the \"target space\" that the player is currently targetting. This is the \"space\" where"
					+ " if they placed a block (and were close enough), it would end up going.";
		}

		@Override
		public Version since() {
			return CHVersion.V3_3_1;
		}

	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class pkill extends AbstractFunction {

		@Override
		public String getName() {
			return "pkill";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{0, 1};
		}

		@Override
		public Construct exec(Target t, Environment env, Construct... args) throws CancelCommandException, ConfigRuntimeException {
			MCCommandSender p = env.getEnv(CommandHelperEnvironment.class).GetCommandSender();
			MCPlayer m = null;
			if (args.length == 1) {
				m = Static.GetPlayer(args[0], t);
			} else {
				if (p instanceof MCPlayer) {
					m = (MCPlayer) p;
				}
			}
			Static.AssertPlayerNonNull(m, t);
			m.kill();
			return CVoid.VOID;
		}

		@Override
		public String docs() {
			return "void {[playerName]} Kills the specified player, or the current player if it is omitted";
		}

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CREPlayerOfflineException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_0_1;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}
	}

	@api(environments = {CommandHelperEnvironment.class, GlobalEnv.class})
	public static class pgroup extends AbstractFunction {

		@Override
		public String getName() {
			return "pgroup";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{0, 1};
		}

		@Override
		public Construct exec(Target t, Environment env, Construct... args) throws CancelCommandException, ConfigRuntimeException {
			MCCommandSender sender;
			if (args.length == 0) {
				sender = env.getEnv(CommandHelperEnvironment.class).GetCommandSender();
			} else {
				sender = Static.GetCommandSender(args[0].val(), t);
			}
			
			CArray ret = new CArray(t);
			if (sender != null) {
				for (String group : sender.getGroups()) {
					ret.push(new CString(group, t), t);
				}
			}
			return ret;
		}

		@Override
		public String docs() {
			return "array {[playerName]} Returns an array of the groups a player is in. If playerName is omitted, the current player is used.";
		}

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CREPlayerOfflineException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_0_1;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}
	}

	@api(environments = {CommandHelperEnvironment.class, GlobalEnv.class})
	public static class pinfo extends AbstractFunction {

		@Override
		public String getName() {
			return "pinfo";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{0, 1, 2};
		}

		@Override
		public String docs() {
			return "mixed {[pName], [value]} Returns various information about the player specified, or the current player if no argument was given. ---- "
					+ "If value is set, it should be an integer of one of the following indexes, and only that information for that index"
					+ " will be returned. Otherwise if value is not specified (or is -1), it returns an array of"
					+ " information with the following pieces of information in the specified index: "
					+ "<ul><li>0 - player's name; This will return the player's exact name, "
					+ " even if called with a partial match.</li><li>1 - player's location; an array of the player's xyz coordinates</li><li>2 - player's cursor; an array of the "
					+ "location of the player's cursor, or null if the block is out of sight.</li><li>3 - player's IP; Returns the IP address of this player.</li><li>4 - Display name; The name that is used when the"
					+ " player's name is displayed on screen typically. </li><li>5 - player's health; Gets the current health of the player, which will be an int"
					+ " from 0-20.</li><li>6 - Item in hand; The value returned by this will be similar to the value returned by get_block_at()</li><li>7 - "
					+ "World name; Gets the name of the world this player is in.</li><li>8 - Is Op; true or false if this player is an op.</li><li>9 - player groups;"
					+ " An array of the permissions groups the player is in.</li><li>10 - The player's hostname (or IP if a hostname can't be found)</li>"
					+ " <li>11 - Is sneaking?</li><li>12 - Host; The host the player connected to.</li>"
					+ " <li>13 - Player UUID (This is the same as 20, but is left in for backwards compatibility reasons.)</li>"
					+ " <li>14 - Is player in a vehicle? Returns true or false.</li>"
					+ " <li>15 - The slot number of the player's current hand.</li>"
					+ " <li>16 - Is sleeping?</li><li>17 - Is blocking?</li><li>18 - Is flying?</li><li>19 - Is sprinting?</li>"
					+ " <li>20 - Player UUID"
					+ " </ul>";
		}

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CREPlayerOfflineException.class, CRERangeException.class,
				CRECastException.class, CRENotFoundException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_1_0;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment env, Construct... args) throws CancelCommandException, ConfigRuntimeException {
			MCCommandSender m = env.getEnv(CommandHelperEnvironment.class).GetCommandSender();
			String player = "";
			int index = -1;
			if (args.length == 0) {
				player = (m instanceof MCPlayer ? ((MCPlayer) m).getName() : null);
				index = -1;
			} else if (args.length == 1) {
				player = args[0].val();
				index = -1;
			} else {
				player = args[0].val();
				index = Static.getInt32(args[1], t);
			}
			MCPlayer p = Static.GetPlayer(player, t);
			
			Static.AssertPlayerNonNull(p, t);
			int maxIndex = 20;
			if (index < -1 || index > maxIndex) {
				throw new CRERangeException(this.getName() + " expects the index to be between -1 and " + maxIndex, t);
			}
			ArrayList<Construct> retVals = new ArrayList<Construct>();
			if (index == 0 || index == -1) {
				//MCPlayer name
				retVals.add(new CString(p.getName(), t));
			}
			if (index == 1 || index == -1) {
				//MCPlayer location
				MCLocation loc = p.getLocation();
				if (loc == null) {
					throw new CRENotFoundException(
							"Could not find the location of the player (are you running in cmdline mode?)", t);
				}
				retVals.add(new CArray(t,
						new CDouble(loc.getX(), t),
						new CDouble(loc.getY() - 1, t),
						new CDouble(loc.getZ(), t)));
			}
			if (index == 2 || index == -1) {
				//MCPlayer cursor
				MCBlock b;
				try {
					b = p.getTargetBlock(null, 200);
				} catch (IllegalStateException ise) {
					b = null;
				}
				if (b == null) {
					retVals.add(CNull.NULL);
				} else {
					retVals.add(new CArray(t, new CInt(b.getX(), t), new CInt(b.getY(), t), new CInt(b.getZ(), t)));
				}
			}
			if (index == 3 || index == -1) {
				//MCPlayer IP
				String add;
				try {
					add = p.getAddress().getAddress().getHostAddress();
				} catch (NullPointerException npe) {
					add = "";
				}

				retVals.add(new CString(add, t));
			}
			if (index == 4 || index == -1) {
				//Display name
				retVals.add(new CString(p.getDisplayName(), t));
			}
			if (index == 5 || index == -1) {
				//MCPlayer health
				retVals.add(new CDouble(p.getHealth(), t));
			}
			if (index == 6 || index == -1) {
				//Item in hand
				MCItemStack is = p.getItemInHand();
				int data;
				if (is.getType().isBlock()) {
					if (is.getData() != null) {
						data = is.getData().getData();
					} else {
						data = 0;
					}
				} else {
					data = is.getDurability();
				}
				retVals.add(new CString(is.getTypeId() + ":" + data, t));
			}
			if (index == 7 || index == -1) {
				//World name
				retVals.add(new CString(p.getWorld().getName(), t));
			}
			if (index == 8 || index == -1) {
				//Is op
				retVals.add(CBoolean.get(p.isOp()));
			}
			if (index == 9 || index == -1) {
				//MCPlayer groups
				CArray a = new CArray(t);
				for (String group : p.getGroups()) {
					a.push(new CString(group, t), t);
				}
				retVals.add(a);
			}
			if (index == 10 || index == -1) {
				String hostname;
				try {
					hostname = p.getAddress().getAddress().getHostAddress();
				} catch (NullPointerException npe) {
					hostname = "";
				}

				if (CommandHelperPlugin.hostnameLookupCache.containsKey(p.getName())) {
					hostname = CommandHelperPlugin.hostnameLookupCache.get(p.getName());
				}

				retVals.add(new CString(hostname, t));
			}
			if (index == 11 || index == -1) {
				retVals.add(CBoolean.get(p.isSneaking()));
			}
			if (index == 12 || index == -1) {
				retVals.add(new CString(p.getHost(), t));
			}
			if (index == 13 || index == -1) {
				retVals.add(new CString(p.getUniqueId().toString(), t));
			}
			if (index == 14 || index == -1) {
				retVals.add(CBoolean.get(p.isInsideVehicle()));
			}
			if (index == 15 || index == -1) {
				retVals.add(new CInt(p.getInventory().getHeldItemSlot(), t));
			}
			if (index == 16 || index == -1) {
				retVals.add(CBoolean.get(p.isSleeping()));
			}
			if (index == 17 || index == -1) {
				retVals.add(CBoolean.get(p.isBlocking()));
			}
			if (index == 18 || index == -1) {
				retVals.add(CBoolean.get(p.isFlying()));
			}
			if (index == 19 || index == -1) {
				retVals.add(CBoolean.get(p.isSprinting()));
			}
			if(index == 20 || index == -1){
				retVals.add(new CString(p.getUniqueId().toString(), t));
			}
			if (retVals.size() == 1) {
				return retVals.get(0);
			} else {
				CArray ca = new CArray(t);
				for (Construct c : retVals) {
					ca.push(c, t);
				}
				return ca;
			}
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class pworld extends AbstractFunction {

		@Override
		public String getName() {
			return "pworld";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{0, 1};
		}

		@Override
		public String docs() {
			return "string {[playerName]} Gets the world of the player specified, or the current player, if playerName isn't specified.";
		}

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CREPlayerOfflineException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_1_0;
		}

		@Override
		public Boolean runAsync() {
			return true;
		}

		@Override
		public Construct exec(Target t, Environment env, Construct... args) throws CancelCommandException, ConfigRuntimeException {
			MCCommandSender p = env.getEnv(CommandHelperEnvironment.class).GetCommandSender();
			MCPlayer m = null;
			if (args.length == 0) {
				if (p instanceof MCPlayer) {
					m = (MCPlayer) p;
				}
			} else {
				m = Static.GetPlayer(args[0], t);
			}
			Static.AssertPlayerNonNull(m, t);
			return new CString(m.getWorld().getName(), t);
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class pkick extends AbstractFunction {

		@Override
		public String getName() {
			return "pkick";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{0, 1, 2};
		}

		@Override
		public String docs() {
			return "void {[playerName], [message]} Kicks the specified player, with an optional message. If no message is specified, "
					+ "\"You have been kicked\" is used. If no player is specified, the current player is used, with the default message.";
		}

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CREPlayerOfflineException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_1_0;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment env, Construct... args) throws CancelCommandException, ConfigRuntimeException {
			MCCommandSender p = env.getEnv(CommandHelperEnvironment.class).GetCommandSender();
			String message = "You have been kicked";
			MCPlayer m = null;
			if (args.length == 0) {
				if (p instanceof MCPlayer) {
					m = (MCPlayer) p;
				}
			}
			if (args.length >= 1) {
				m = Static.GetPlayer(args[0], t);
			}
			if (args.length >= 2) {
				message = args[1].val();
			}
			MCPlayer ptok = m;
			Static.AssertPlayerNonNull(ptok, t);
			ptok.kickPlayer(message);
			return CVoid.VOID;
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class set_display_name extends AbstractFunction {

		@Override
		public String getName() {
			return "set_display_name";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{1, 2};
		}

		@Override
		public String docs() {
			return "void {playerName, newDisplayName | newDisplayName} Sets a player's display name. If the second usage is used,"
					+ " it sets the display name of the player running the command. See reset_display_name also. playerName, as well"
					+ " as all CommandHelper commands expect the player's real name, not their display name.";
		}

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CREPlayerOfflineException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_1_2;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment env, Construct... args) throws CancelCommandException, ConfigRuntimeException {
			MCCommandSender p = env.getEnv(CommandHelperEnvironment.class).GetCommandSender();
			MCPlayer MCPlayer = null;
			String name;
			if (args.length == 1) {
				if (p instanceof MCPlayer) {
					MCPlayer = (MCPlayer) p;
				}
				name = args[0].val();
			} else {
				MCPlayer = Static.GetPlayer(args[0], t);
				name = args[1].val();
			}
			Static.AssertPlayerNonNull(MCPlayer, t);
			MCPlayer.setDisplayName(name);
			return CVoid.VOID;
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class reset_display_name extends AbstractFunction {

		@Override
		public String getName() {
			return "reset_display_name";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{0, 1};
		}

		@Override
		public String docs() {
			return "void {[playerName]} Resets a player's display name to their real name. If playerName isn't specified, defaults to the"
					+ " player running the command.";
		}

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CREPlayerOfflineException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_1_2;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment env, Construct... args) throws CancelCommandException, ConfigRuntimeException {
			MCCommandSender p = env.getEnv(CommandHelperEnvironment.class).GetCommandSender();
			MCPlayer MCPlayer = null;
			if (args.length == 0) {
				if (p instanceof MCPlayer) {
					MCPlayer = (MCPlayer) p;
				}
			} else {
				MCPlayer = Static.GetPlayer(args[0], t);
			}
			Static.AssertPlayerNonNull(MCPlayer, t);
			MCPlayer.setDisplayName(MCPlayer.getName());
			return CVoid.VOID;
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class pfacing extends AbstractFunction {

		@Override
		public String getName() {
			return "pfacing";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{0, 1, 2, 3};
		}

		@Override
		public String docs() {
			return "mixed {F | yaw, pitch | player, F | player, yaw, pitch | player | <none>} Sets the direction the player is facing. ---- When using the first variation, expects an integer 0-3, which will"
					+ " set the direction the player faces using their existing pitch (up and down) but sets their yaw (left and right) to one of the"
					+ " cardinal directions, as follows: 0 - West, 1 - South, 2 - East, 3 - North, which corresponds to the directions given by F when"
					+ " viewed with F3. In the second variation, specific yaw and pitches can be provided. If the player is not specified, the current player"
					+ " is used. If just the player is specified, that player's yaw and pitch are returned as an array, or if no arguments are given, the"
					+ " player running the command's yaw and pitch are returned as an array. The function returns void when setting the values. (Note that while this"
					+ " function looks like it has ambiguous arguments, players cannot be named numbers.) A note on numbers: The values returned by the getter will always be"
					+ " as such: pitch will always be a number between 90 and -90, with -90 being the player looking up, and 90 being the player looking down. Yaw will"
					+ " always be a number between 0 and 359.9~. When using it as a setter, pitch must be a number between -90 and 90, and yaw may be any number."
					+ " If the number given is not between 0 and 359.9~, it will be normalized first. 0 is dead west, 90 is north, etc.";
		}

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CREPlayerOfflineException.class, CRERangeException.class,
				CRECastException.class, CRENotFoundException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_1_3;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment env, Construct... args) throws ConfigRuntimeException {
			MCCommandSender p = env.getEnv(CommandHelperEnvironment.class).GetCommandSender();
			//Getter
			if (args.length == 0 || args.length == 1) {
				MCLocation l = null;
				if (args.length == 0) {
					if (p instanceof MCPlayer) {
						l = ((MCPlayer) p).getLocation();
					}
				} else if (args.length == 1) {
					//if it's a number, we are setting F. Otherwise, it's a getter for the MCPlayer specified.

					if (!(args[0] instanceof CInt)) {
						MCPlayer p2 = Static.GetPlayer(args[0], t);
						l = p2.getLocation();
					}
				}
				if (l != null) {
					float yaw = l.getYaw();
					float pitch = l.getPitch();
					//normalize yaw
					if (yaw < 0) {
						yaw = (((yaw) % 360) + 360);
					}
					return new CArray(t, new CDouble(yaw, t), new CDouble(pitch, t));
				}
			}
			//Setter
			MCPlayer toSet = null;
			float yaw = 0;
			float pitch = 0;
			if (args.length == 1) {
				//We are setting F for this MCPlayer
				if (p instanceof MCPlayer) {
					toSet = (MCPlayer) p;
					MCLocation loc = toSet.getLocation();
					if (loc == null) {
						throw new CRENotFoundException(
								"Could not find the location of the given player (are you running in cmdline mode?)", t);
					}
					pitch = loc.getPitch();
				}
				int g = Static.getInt32(args[0], t);
				if (g < 0 || g > 3) {
					throw new CRERangeException("The F specifed must be from 0 to 3", t);
				}
				yaw = g * 90;
			} else if (args.length == 2) {
				//Either we are setting this MCPlayer's pitch and yaw, or we are setting the specified MCPlayer's F.
				//Check to see if args[0] is a number
				try {
					Float.parseFloat(args[0].val());
					//It's the yaw, pitch variation
					if (p instanceof MCPlayer) {
						toSet = (MCPlayer) p;
					}
					yaw = (float) Static.getNumber(args[0], t);
					pitch = (float) Static.getNumber(args[1], t);
				} catch (NumberFormatException e) {
					//It's the MCPlayer, F variation
					toSet = Static.GetPlayer(args[0], t);
					pitch = toSet.getLocation().getPitch();
					int g = Static.getInt32(args[1], t);
					if (g < 0 || g > 3) {
						throw new CRERangeException("The F specifed must be from 0 to 3", t);
					}
					yaw = g * 90;
				}
			} else if (args.length == 3) {
				//It's the MCPlayer, yaw, pitch variation
				toSet = Static.GetPlayer(args[0], t);
				yaw = (float) Static.getNumber(args[1], t);
				pitch = (float) Static.getNumber(args[2], t);
			}

			//Error check our data
			if (pitch > 90 || pitch < -90) {
				throw new CRERangeException("pitch must be between -90 and 90", t);
			}
			Static.AssertPlayerNonNull(toSet, t);
			MCLocation l = toSet.getLocation();
			if (l == null) {
				throw new CRENotFoundException(
						"Could not find the location of the player (are you running in cmdline mode?)", t);
			}
			l = l.clone();
			l.setPitch(pitch);
			l.setYaw(yaw);
			MCEntity vehicle = null;
			if(toSet.isInsideVehicle()) {
				vehicle = toSet.getVehicle();
			}
			toSet.teleport(l);
			if(vehicle != null) {
				vehicle.setPassenger(toSet);
			}
			return CVoid.VOID;
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class pmode extends AbstractFunction {

		@Override
		public String getName() {
			return "pmode";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{0, 1};
		}

		@Override
		public String docs() {
			return "string {[player]} Returns the player's game mode. It will be one of " + StringUtils.Join(MCGameMode.values(), ", ", ", or ") + ".";
		}

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CREPlayerOfflineException.class,
					CRENotFoundException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_1_3;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment env, Construct... args) throws ConfigRuntimeException {
			MCCommandSender p = env.getEnv(CommandHelperEnvironment.class).GetCommandSender();
			MCPlayer m = null;
			if (p instanceof MCPlayer) {
				m = (MCPlayer) p;
			}
			if (args.length == 1) {
				m = Static.GetPlayer(args[0], t);
			}

			Static.AssertPlayerNonNull(m, t);
			MCGameMode gm = m.getGameMode();
			if (gm == null) {
				throw new CRENotFoundException(
						"Could not find the gamemode of the given player (are you running in cmdline mode?)", t);
			}
			String mode = gm.name();
			return new CString(mode, t);
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class set_pmode extends AbstractFunction {

		@Override
		public String getName() {
			return "set_pmode";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{1, 2};
		}

		@Override
		public String docs() {
			return "void {[player], mode} Sets the player's game mode. mode must be one of: " + StringUtils.Join(MCGameMode.values(), ", ", ", or ");
		}

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CREPlayerOfflineException.class, CREFormatException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_1_3;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment env, Construct... args) throws ConfigRuntimeException {
			MCCommandSender p = env.getEnv(CommandHelperEnvironment.class).GetCommandSender();
			MCPlayer m = null;
			String mode = "";
			MCGameMode gm;
			if (p instanceof MCPlayer) {
				m = (MCPlayer) p;
			}
			if (args.length == 2) {
				m = Static.GetPlayer(args[0], t);
				mode = args[1].val();
			} else {
				mode = args[0].val();
			}

			try {
				gm = MCGameMode.valueOf(mode.toUpperCase());
			} catch (IllegalArgumentException e) {
				throw new CREFormatException("Mode must be either " + StringUtils.Join(MCGameMode.values(), ", ", ", or "), t);
			}
			Static.AssertPlayerNonNull(m, t);
			m.setGameMode(gm);
			return CVoid.VOID;
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class pexp extends AbstractFunction {

		@Override
		public String getName() {
			return "pexp";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{0, 1};
		}

		@Override
		public String docs() {
			return "int {[player]} Gets the experience of a player within this level, as a percentage, from 0 to 99. (100 would be next level,"
					+ " therefore, 0.)";
		}

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CRECastException.class, CREPlayerOfflineException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_1_3;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment env, Construct... args) throws ConfigRuntimeException {
			MCCommandSender p = env.getEnv(CommandHelperEnvironment.class).GetCommandSender();
			MCPlayer m = null;
			if (p instanceof MCPlayer) {
				m = (MCPlayer) p;
			}
			if (args.length == 1) {
				m = Static.GetPlayer(args[0].val(), t);
			}
			Static.AssertPlayerNonNull(m, t);
			return new CInt((int) (m.getExp() * 100), t);
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class set_pexp extends AbstractFunction {

		@Override
		public String getName() {
			return "set_pexp";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{1, 2};
		}

		@Override
		public String docs() {
			return "void {[player], xp} Sets the experience of a player within the current level, as a percentage, from 0 to 100.";
		}

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CRECastException.class, CREPlayerOfflineException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_1_3;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment env, Construct... args) throws ConfigRuntimeException {
			MCCommandSender p = env.getEnv(CommandHelperEnvironment.class).GetCommandSender();
			MCPlayer m = null;
			int xp = 0;
			if (p instanceof MCPlayer) {
				m = (MCPlayer) p;
			}
			if (args.length == 2) {
				m = Static.GetPlayer(args[0].val(), t);
				xp = Static.getInt32(args[1], t);
			} else {
				xp = Static.getInt32(args[0], t);
			}
			Static.AssertPlayerNonNull(m, t);
			m.setExp(((float) xp) / 100.0F);
			return CVoid.VOID;
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class give_pexp extends AbstractFunction {

		@Override
		public String getName() {
			return "give_pexp";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{1, 2};
		}

		@Override
		public String docs() {
			return "void {[player], exp} Gives the player the specified amount of xp.";
		}

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CREPlayerOfflineException.class, CRECastException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_3_0;
		}

		@Override
		public Boolean runAsync() {
			return true;
		}

		@Override
		public Construct exec(Target t, Environment environment, Construct... args) throws ConfigRuntimeException {
			MCCommandSender p = environment.getEnv(CommandHelperEnvironment.class).GetCommandSender();
			MCPlayer m = null;
			int xp = 0;
			if (p instanceof MCPlayer) {
				m = (MCPlayer) p;
			}
			if (args.length == 2) {
				m = Static.GetPlayer(args[0].val(), t);
				xp = Static.getInt32(args[1], t);
			} else {
				xp = Static.getInt32(args[0], t);
			}
			Static.AssertPlayerNonNull(m, t);
			m.giveExp(xp);

			return CVoid.VOID;
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class plevel extends AbstractFunction {

		@Override
		public String getName() {
			return "plevel";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{0, 1};
		}

		@Override
		public String docs() {
			return "int {[player]} Gets the player's level.";
		}

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CRECastException.class, CREPlayerOfflineException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_1_3;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment env, Construct... args) throws ConfigRuntimeException {
			MCCommandSender p = env.getEnv(CommandHelperEnvironment.class).GetCommandSender();
			MCPlayer m = null;
			if (p instanceof MCPlayer) {
				m = (MCPlayer) p;
			}
			if (args.length == 1) {
				m = Static.GetPlayer(args[0].val(), t);
			}
			Static.AssertPlayerNonNull(m, t);
			return new CInt(m.getLevel(), t);
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class set_plevel extends AbstractFunction {

		@Override
		public String getName() {
			return "set_plevel";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{1, 2};
		}

		@Override
		public String docs() {
			return "void {[player], level} Sets the level of a player.";
		}

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CRECastException.class, CREPlayerOfflineException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_1_3;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment env, Construct... args) throws ConfigRuntimeException {
			MCCommandSender p = env.getEnv(CommandHelperEnvironment.class).GetCommandSender();
			MCPlayer m = null;
			int level = 0;
			if (p instanceof MCPlayer) {
				m = (MCPlayer) p;
			}
			if (args.length == 2) {
				m = Static.GetPlayer(args[0].val(), t);
				level = Static.getInt32(args[1], t);
			} else {
				level = Static.getInt32(args[0], t);
			}
			Static.AssertPlayerNonNull(m, t);
			m.setLevel(level);
			return CVoid.VOID;
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class ptexp extends AbstractFunction {

		@Override
		public String getName() {
			return "ptexp";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{0, 1};
		}

		@Override
		public String docs() {
			return "int {[player]} Gets the total experience of a player.";
		}

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CRECastException.class, CREPlayerOfflineException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_1_3;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment env, Construct... args) throws ConfigRuntimeException {
			MCCommandSender p = env.getEnv(CommandHelperEnvironment.class).GetCommandSender();
			MCPlayer m = null;
			if (p instanceof MCPlayer) {
				m = (MCPlayer) p;
			}
			if (args.length == 1) {
				m = Static.GetPlayer(args[0].val(), t);
			}
			Static.AssertPlayerNonNull(m, t);
			int texp = m.getExpAtLevel() + java.lang.Math.round(m.getExpToLevel() * m.getExp());
			return new CInt(texp, t);
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class set_ptexp extends AbstractFunction {

		@Override
		public String getName() {
			return "set_ptexp";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{1, 2};
		}

		@Override
		public String docs() {
			return "void {[player], xp} Sets the total experience of a player.";
		}

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CRECastException.class, CREPlayerOfflineException.class,
					CRERangeException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_1_3;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment env, Construct... args) throws ConfigRuntimeException {
			MCCommandSender p = env.getEnv(CommandHelperEnvironment.class).GetCommandSender();
			MCPlayer m = null;
			int xp = 0;
			if (p instanceof MCPlayer) {
				m = (MCPlayer) p;
			}
			if (args.length == 2) {
				m = Static.GetPlayer(args[0].val(), t);
				xp = Static.getInt32(args[1], t);
			} else {
				xp = Static.getInt32(args[0], t);
			}
			if(xp < 0) {
				throw new CRERangeException("Experience can't be negative", t);
			}
			Static.AssertPlayerNonNull(m, t);
			int score = m.getTotalExperience();
			m.setLevel(0);
			m.setExp(0);
			m.giveExp(xp);
			m.setTotalExperience(score); // reset experience score so that this function does not affect it
			return CVoid.VOID;
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class pfood extends AbstractFunction {

		@Override
		public String getName() {
			return "pfood";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{0, 1};
		}

		@Override
		public String docs() {
			return "int {[player]} Returns the player's current food level.";
		}

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CREPlayerOfflineException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_1_3;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment env, Construct... args) throws ConfigRuntimeException {
			MCCommandSender p = env.getEnv(CommandHelperEnvironment.class).GetCommandSender();
			MCPlayer m = null;
			if (p instanceof MCPlayer) {
				m = (MCPlayer) p;
			}
			if (args.length == 1) {
				m = Static.GetPlayer(args[0].val(), t);
			}
			Static.AssertPlayerNonNull(m, t);
			return new CInt(m.getFoodLevel(), t);
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class set_pfood extends AbstractFunction {

		@Override
		public String getName() {
			return "set_pfood";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{1, 2};
		}

		@Override
		public String docs() {
			return "void {[player], level} Sets the player's food level. This is an integer from 0-?";
		}

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CREPlayerOfflineException.class, CRECastException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_1_3;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment env, Construct... args) throws ConfigRuntimeException {
			MCCommandSender p = env.getEnv(CommandHelperEnvironment.class).GetCommandSender();
			MCPlayer m = null;
			int level = 0;
			if (p instanceof MCPlayer) {
				m = (MCPlayer) p;
			}
			if (args.length == 2) {
				m = Static.GetPlayer(args[0].val(), t);
				level = Static.getInt32(args[1], t);
			} else {
				level = Static.getInt32(args[0], t);
			}
			Static.AssertPlayerNonNull(m, t);
			m.setFoodLevel(level);
			return CVoid.VOID;
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class set_peffect extends AbstractFunction {

		@Override
		public String getName() {
			return "set_peffect";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{3, 4, 5, 6};
		}

		@Override
		public String docs() {
			return "boolean {player, potionID, strength, [seconds], [ambient], [particles]} Effect is 1-23."
					+ " Seconds defaults to 30. If the potionID is out of range, a RangeException is thrown, because out"
					+ " of range potion effects cause the client to crash, fairly hardcore. See"
					+ " http://www.minecraftwiki.net/wiki/Potion_effects for a complete list of potions that can be"
					+ " added. To remove an effect, set the seconds to 0. Strength is the number of levels to add to the"
					+ " base power (effect level 1). Ambient takes a boolean of whether the particles should be less"
					+ " noticeable. Particles takes a boolean of whether the particles should be visible at all. The"
					+ " function returns true if the effect was added or removed as desired, and false if it wasn't"
					+ " (however, this currently only will happen if an effect is attempted to be removed, yet isn't"
					+ " already on the player).";
		}

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CREPlayerOfflineException.class, CRECastException.class,
						CRERangeException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_3_0;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment env, Construct... args) throws ConfigRuntimeException {
			MCPlayer m = Static.GetPlayer(args[0].val(), t);

			int effect = Static.getInt32(args[1], t);
			//To work around a bug in bukkit/vanilla, if the effect is invalid, throw an exception
			//otherwise the client crashes, and requires deletion of
			//player data to fix.
			if (effect < 1 || effect > m.getMaxEffect()) {
				throw new CRERangeException("Invalid effect ID recieved, must be from 1-" + m.getMaxEffect(), t);
			}

			int strength = Static.getInt32(args[2], t);
			int seconds = 30;
			boolean ambient = false;
			boolean particles = true;
			if (args.length >= 4) {
				seconds = Static.getInt32(args[3], t);
				if(seconds < 0) {
					throw new CRERangeException("Seconds cannot be less than 0", t);
				} else if(seconds > Integer.MAX_VALUE / 20) {
					throw new CRERangeException("Seconds cannot be greater than 107374182", t);
				}
			}
			if (args.length >= 5) {
				ambient = Static.getBoolean(args[4]);
			}
			if (args.length == 6) {
				particles = Static.getBoolean(args[5]);
			}
			Static.AssertPlayerNonNull(m, t);
			if (seconds == 0) {
				return CBoolean.get(m.removeEffect(effect));
			} else {
				m.addEffect(effect, strength, seconds, ambient, particles, t);
				return CBoolean.TRUE;
			}
		}

		@Override
		public ExampleScript[] examples() throws ConfigCompileException {
			return new ExampleScript[]{
				new ExampleScript("Give player Notch nausea for 30 seconds", "set_peffect('Notch', 9, 30)",
						"The player will experience a wobbly screen."),
				new ExampleScript("Make player ArenaPlayer unable to jump for 10 minutes", "set_peffect('ArenaPlayer', 8, -16, 600)",
						"From the player's perspective, they will not even leave the ground."),
				new ExampleScript("Remove poison from yourself", "set_peffect(player(), 19, 1, 0)",
						"You are now unpoisoned. Note, it does not matter what you set strength to here.")
			};
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class get_peffect extends AbstractFunction {

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CREPlayerOfflineException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment environment, Construct... args) throws ConfigRuntimeException {
			MCPlayer p = environment.getEnv(CommandHelperEnvironment.class).GetPlayer();
			if (args.length > 0) {
				p = Static.GetPlayer(args[0], t);
			}
			Static.AssertPlayerNonNull(p, t);
			return ObjectGenerator.GetGenerator().potions(p.getEffects(), t);
		}

		@Override
		public String getName() {
			return "get_peffect";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{0, 1};
		}

		@Override
		public String docs() {
			return "array {[player]} Returns an array of effects that are currently active on a given player."
					+ " The array will be full of playerEffect objects, which contain three fields, \"id\","
					+ " \"strength\", \"seconds\" remaining, whether the effect is \"ambient\", and whether"
					+ " \"particles\" are enabled.";
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_3_1;
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class set_phealth extends AbstractFunction {

		@Override
		public String getName() {
			return "set_phealth";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{1, 2};
		}

		@Override
		public String docs() {
			return "void {[player], health} Sets the player's health. Health should be a double between 0 and their max health.";
		}

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CRECastException.class, CRERangeException.class, CREPlayerOfflineException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_2_0;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment env, Construct... args) throws ConfigRuntimeException {
			MCCommandSender p = env.getEnv(CommandHelperEnvironment.class).GetCommandSender();
			MCPlayer m = null;
			if (p instanceof MCPlayer) {
				m = (MCPlayer) p;
			}
			double health;
			if (args.length == 2) {
				m = Static.GetPlayer(args[0].val(), t);
				health = Static.getDouble(args[1], t);
			} else {
				health = Static.getDouble(args[0], t);
			}
			Static.AssertPlayerNonNull(m, t);
			if (health < 0 || health > m.getMaxHealth()) {
				throw new CRERangeException("Health must be between 0 and the player's max health (currently "
						+ m.getMaxHealth() + " for " + m.getName() + ").", t);
			}
			m.setHealth(health);
			return CVoid.VOID;
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class ponline extends AbstractFunction {

		@Override
		public String getName() {
			return "ponline";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{1};
		}

		@Override
		public String docs() {
			return "boolean {player} Returns whether or not the specified player is online. Note"
					+ " that the name must match exactly, but it will not throw a PlayerOfflineException"
					+ " if the player is not online, or if the player doesn't even exist.";
		}

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_3_0;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment env, Construct... args) throws ConfigRuntimeException {
			//We have to use this method here, because we might be in the midst
			//of an event, in which the player is offline, but not really. It will
			//throw an exception if the player doesn't exist
			MCPlayer p = null;
			try {
				p = Static.GetPlayer(args[0], t);
			} catch (ConfigRuntimeException e) {
				//They aren't in the player list
			}
			//If the player we grabbed doesn't match exactly, we're referring to another player
			//However, we had to check with Static.GetPlayer first, in case this is an injected player.
			//Otherwise, we need to use the player returned from Static.GetPlayer, not the one returned
			//from the server directly
			if (p != null && !p.getName().equals(args[0].val())) {
				MCOfflinePlayer player = Static.getServer().getOfflinePlayer(args[0].val());
				return CBoolean.get(player.isOnline());
			} else if (p != null) {
				return CBoolean.get(p.isOnline());
			} else {
				return CBoolean.FALSE;
			}
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class pwhitelisted extends AbstractFunction {

		@Override
		public String getName() {
			return "pwhitelisted";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{1};
		}

		@Override
		public String docs() {
			return "boolean {player} Returns whether or not this player is whitelisted. Note that"
					+ " this will work with offline players, but the name must be exact." + uuidwarning;
		}

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_3_0;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment env, Construct... args) throws ConfigRuntimeException {
			MCOfflinePlayer pl = Static.GetUser(args[0].val(), t);
			boolean ret;
			if (pl == null) {
				ret = false;
			} else {
				ret = pl.isWhitelisted();
			}
			return CBoolean.get(ret);
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class set_pwhitelisted extends AbstractFunction {

		@Override
		public String getName() {
			return "set_pwhitelisted";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{2};
		}

		@Override
		public String docs() {
			return "void {player, isWhitelisted} Sets the whitelist flag of the specified player. Note that"
					+ " this will work with offline players, but the name must be exact." + uuidwarning;
		}

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CRENotFoundException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_3_0;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment env, Construct... args) throws ConfigRuntimeException {
			MCOfflinePlayer pl = Static.GetUser(args[0].val(), t);
			boolean whitelist = Static.getBoolean(args[1]);
			if (pl == null) {
				throw new CRENotFoundException(
						this.getName() + " could not get the offline player (are you running in cmdline mode?)", t);
			}
			pl.setWhitelisted(whitelist);
			return CVoid.VOID;
		}
	}

	static final String uuidwarning = " NOTICE: This function accepts UUIDs in place of player names,"
			+ " however due to lack of API from Mojang, some server software is not able to"
			+ " correctly associate a uuid with a player if the player has not recently been online."
			+ " As such, it may not always be possible to ban or whitelist a player by UUID."
			+ " Servers known to have this problem are Bukkit and Spigot. Furthermore,"
			+ " although this API functions, due to the limitations of the vanilla ban/whitelist"
			+ " system, it is recommended to use a 3rd party system or write your own.";

	@api(environments = {CommandHelperEnvironment.class})
	public static class pbanned extends AbstractFunction {

		@Override
		public String getName() {
			return "pbanned";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{1};
		}

		@Override
		public String docs() {
			return "boolean {player} Returns whether or not this player is banned. Note that"
					+ " this will work with offline players, but the name must be exact. At this"
					+ " time, this function only works with the vanilla ban system. If you use"
					+ " a third party ban system, you should instead run the command for that"
					+ " plugin instead." + uuidwarning;
		}

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CRENotFoundException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_3_0;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment env, Construct... args) throws ConfigRuntimeException {
			MCOfflinePlayer pl = Static.GetUser(args[0].val(), t);
			if (pl == null) {
				throw new CRENotFoundException(
						this.getName() + " could not get the offline player (are you running in cmdline mode?)", t);
			}
			return CBoolean.get(pl.isBanned());
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class set_pbanned extends AbstractFunction {

		@Override
		public String getName() {
			return "set_pbanned";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{2};
		}

		@Override
		public String docs() {
			return "void {player, isBanned} Sets the ban flag of the specified player. Note that"
					+ " this will work with offline players, but the name must be exact. At this"
					+ " time, this function only works with the vanilla ban system. If you use"
					+ " a third party ban system, you should instead run the command for that"
					+ " plugin instead." + uuidwarning;
		}

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CRENotFoundException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_3_0;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment env, Construct... args) throws ConfigRuntimeException {
			MCOfflinePlayer pl = Static.GetUser(args[0].val(), t);
			if (pl == null) {
				throw new CRENotFoundException(
						this.getName() + " could not get the offline player (are you running in cmdline mode?)", t);
			}
			boolean ban = Static.getBoolean(args[1]);
			pl.setBanned(ban);
			return CVoid.VOID;
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class set_pwalkspeed extends AbstractFunction {

		@Override
		public String getName() {
			return "set_pwalkspeed";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{1, 2};
		}

		@Override
		public String docs() {
			return "void {[player], speed} Sets players speed. The speed must be between -1 or 1";
		}

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CREPlayerOfflineException.class, CRERangeException.class, CRECastException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_3_1;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment env, Construct... args) throws ConfigRuntimeException {
			MCCommandSender p = env.getEnv(CommandHelperEnvironment.class).GetCommandSender();
			MCPlayer m = null;
			double speed = 0;

			if (p instanceof MCPlayer) {
				m = (MCPlayer) p;
			}
			if (args.length == 2) {
				m = Static.GetPlayer(args[0], t);
				speed = Static.getDouble(args[1], t);
			} else {
				speed = Static.getDouble(args[0], t);
			}

			if(speed < -1 || speed > 1) {
				throw new CRERangeException("Speed must be between -1 and 1", t);
			}
			Static.AssertPlayerNonNull(m, t);

			m.setWalkSpeed((float) speed);
			return CVoid.VOID;
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class get_pwalkspeed extends AbstractFunction {

		@Override
		public String getName() {
			return "get_pwalkspeed";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{0, 1};
		}

		@Override
		public String docs() {
			return "double {[player]} Gets the players speed. The speed must be between -1 or 1";
		}

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CREPlayerOfflineException.class, CREFormatException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_3_1;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment env, Construct... args) throws ConfigRuntimeException {
			MCCommandSender p = env.getEnv(CommandHelperEnvironment.class).GetCommandSender();
			MCPlayer m = null;

			if (p instanceof MCPlayer) {
				m = (MCPlayer) p;
			}

			if (args.length == 1) {
				m = Static.GetPlayer(args[0], t);
			}

			Static.AssertPlayerNonNull(m, t);

			return new CDouble(((double) m.getWalkSpeed()), t);
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class set_pflyspeed extends AbstractFunction {

		@Override
		public String getName() {
			return "set_pflyspeed";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{1, 2};
		}

		@Override
		public String docs() {
			return "void {[player], speed} Sets players fly speed. The speed must be between -1 or 1";
		}

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CREPlayerOfflineException.class, CRERangeException.class, CRECastException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_3_1;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment env, Construct... args) throws ConfigRuntimeException {
			MCCommandSender p = env.getEnv(CommandHelperEnvironment.class).GetCommandSender();
			MCPlayer m = null;
			double speed = 0;

			if (p instanceof MCPlayer) {
				m = (MCPlayer) p;
			}
			if (args.length == 2) {
				m = Static.GetPlayer(args[0], t);
				speed = Static.getDouble(args[1], t);
			} else {
				speed = Static.getDouble(args[0], t);
			}

			if(speed < -1 || speed > 1) {
				throw new CRERangeException("Speed must be between -1 and 1", t);
			}
			Static.AssertPlayerNonNull(m, t);

			m.setFlySpeed((float) speed);
			return CVoid.VOID;
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class get_pflyspeed extends AbstractFunction {

		@Override
		public String getName() {
			return "get_pflyspeed";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{0, 1};
		}

		@Override
		public String docs() {
			return "double {[player]} Gets the players speed. The speed must be between -1 or 1";
		}

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CREPlayerOfflineException.class, CREFormatException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_3_1;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment env, Construct... args) throws ConfigRuntimeException {
			MCCommandSender p = env.getEnv(CommandHelperEnvironment.class).GetCommandSender();
			MCPlayer m = null;

			if (p instanceof MCPlayer) {
				m = (MCPlayer) p;
			}

			if (args.length == 1) {
				m = Static.GetPlayer(args[0], t);
			}

			Static.AssertPlayerNonNull(m, t);

			return new CDouble(((double) m.getFlySpeed()), t);
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class pisop extends AbstractFunction {

		@Override
		public String getName() {
			return "pisop";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{0, 1};
		}

		@Override
		public String docs() {
			return "boolean {[player]} Returns whether or not the specified player (or the current"
					+ " player if not specified) is op";
		}

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CREPlayerOfflineException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_3_0;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment environment, Construct... args) throws ConfigRuntimeException {
			MCPlayer m = environment.getEnv(CommandHelperEnvironment.class).GetPlayer();
			if (args.length == 1) {
				m = Static.GetPlayer(args[0].val(), t);
			}
			Static.AssertPlayerNonNull(m, t);
			return CBoolean.get(m.isOp());
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class set_compass_target extends AbstractFunction {

		@Override
		public String getName() {
			return "set_compass_target";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{1, 2};
		}

		@Override
		public String docs() {
			return "array {[player], locationArray} Sets the player's compass target, and returns the old location.";
		}

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CREPlayerOfflineException.class, CREFormatException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_3_0;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment environment, Construct... args) throws ConfigRuntimeException {
			MCPlayer m = environment.getEnv(CommandHelperEnvironment.class).GetPlayer();
			MCLocation l;
			if (args.length == 1) {
				l = ObjectGenerator.GetGenerator().location(args[0], null, t);
			} else {
				m = Static.GetPlayer(args[0].val(), t);
				l = ObjectGenerator.GetGenerator().location(args[1], null, t);
			}
			if (m == null) {
				throw new CREPlayerOfflineException("That player is not online", t);
			}
			Static.AssertPlayerNonNull(m, t);
			MCLocation old = m.getCompassTarget();
			m.setCompassTarget(l);
			return ObjectGenerator.GetGenerator().location(old);
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class get_compass_target extends AbstractFunction {

		@Override
		public String getName() {
			return "get_compass_target";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{0, 1};
		}

		@Override
		public String docs() {
			return "array {[player]} Gets the compass target of the specified player";
		}

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CREPlayerOfflineException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_3_0;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment environment, Construct... args) throws ConfigRuntimeException {
			MCPlayer m = environment.getEnv(CommandHelperEnvironment.class).GetPlayer();
			if (args.length == 1) {
				m = Static.GetPlayer(args[0].val(), t);
			}
			Static.AssertPlayerNonNull(m, t);
			return ObjectGenerator.GetGenerator().location(m.getCompassTarget(), false);
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class ponfire extends AbstractFunction {

		@Override
		public String getName() {
			return "ponfire";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{0, 1};
		}

		@Override
		public String docs() {
			return "int {[player]} Returns the number of ticks remaining that this player will"
					+ " be on fire for. If the player is not on fire, 0 is returned, which incidentally"
					+ " is false.";
		}

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CREPlayerOfflineException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_3_0;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment environment, Construct... args) throws ConfigRuntimeException {
			MCPlayer p = environment.getEnv(CommandHelperEnvironment.class).GetPlayer();
			if (args.length == 1) {
				p = Static.GetPlayer(args[0], t);
			}
			Static.AssertPlayerNonNull(p, t);
			int left = p.getRemainingFireTicks();
			return new CInt(left, t);
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class set_ponfire extends AbstractFunction {

		@Override
		public String getName() {
			return "set_ponfire";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{1, 2};
		}

		@Override
		public String docs() {
			return "void {[player], ticks} Sets the player on fire for the specified number of"
					+ " ticks. If a boolean is given for ticks, false is 0, and true is 20.";
		}

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CREPlayerOfflineException.class, CRECastException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_3_0;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment environment, Construct... args) throws ConfigRuntimeException {
			MCPlayer p = environment.getEnv(CommandHelperEnvironment.class).GetPlayer();
			Construct ticks;
			if (args.length == 2) {
				p = Static.GetPlayer(args[0], t);
				ticks = args[1];
			} else {
				ticks = args[0];
			}
			int tick = 0;
			if (ticks instanceof CBoolean) {
				boolean value = ((CBoolean) ticks).getBoolean();
				if (value) {
					tick = 20;
				}
			} else {
				tick = Static.getInt32(ticks, t);
			}
			Static.AssertPlayerNonNull(p, t);
			p.setRemainingFireTicks(tick);
			return CVoid.VOID;
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class phas_flight extends AbstractFunction {

		@Override
		public String getName() {
			return "phas_flight";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{0, 1};
		}

		@Override
		public String docs() {
			return "boolean {[player]} Returns whether or not the player has the ability to fly";
		}

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CREPlayerOfflineException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment environment, Construct... args) throws ConfigRuntimeException {
			MCPlayer p = environment.getEnv(CommandHelperEnvironment.class).GetPlayer();
			if (args.length == 1) {
				p = Static.GetPlayer(args[0], t);
			}
			Static.AssertPlayerNonNull(p, t);
			return CBoolean.get(p.getAllowFlight());
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_3_1;
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	@seealso({set_pflying.class})
	public static class set_pflight extends AbstractFunction {

		@Override
		public String getName() {
			return "set_pflight";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{1, 2};
		}

		@Override
		public String docs() {
			return "void {[player], flight} Sets whether or not this player is allowed to fly";
		}

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CREPlayerOfflineException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment environment, Construct... args) throws ConfigRuntimeException {
			MCPlayer p = environment.getEnv(CommandHelperEnvironment.class).GetPlayer();
			boolean flight;
			if (args.length == 1) {
				flight = Static.getBoolean(args[0]);
			} else {
				p = Static.GetPlayer(args[0], t);
				flight = Static.getBoolean(args[1]);
			}
			Static.AssertPlayerNonNull(p, t);
			p.setAllowFlight(flight);
			return CVoid.VOID;
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_3_1;
		}
	}
	private static final SortedMap<String, Construct> TimeLookup = new TreeMap<String, Construct>();

	static {
		Properties p = new Properties();
		try {
			p.load(Minecraft.class.getResourceAsStream("/time_names.txt"));
			Enumeration e = p.propertyNames();
			while (e.hasMoreElements()) {
				String name = e.nextElement().toString();
				TimeLookup.put(name, new CString(p.getProperty(name).toString(), Target.UNKNOWN));
			}
		} catch (IOException ex) {
			Logger.getLogger(World.class.getName()).log(Level.SEVERE, null, ex);
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class set_ptime extends AbstractFunction {

		@Override
		public String getName() {
			return "set_ptime";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{1, 2, 3};
		}

		@Override
		public String docs() {
			StringBuilder doc = new StringBuilder();
			doc.append("void {[player], time, [relative]} Sets the time of a given player. Relative defaults to false,"
					+ " but if true, the time will be an offset and the player's time will still progress with the world."
					+ " Otherwise it will be locked and should be a number from 0 to 24000, else it is modulo scaled."
					+ " Alternatively, common time notation (9:30pm, 4:00 am) is acceptable,"
					+ " and convenient english mappings also exist:");
			doc.append("<ul>");
			for (String key : TimeLookup.keySet()) {
				doc.append("<li>").append(key).append(" = ").append(TimeLookup.get(key)).append("</li>");
			}
			doc.append("</ul>");
			return doc.toString();
		}

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CREPlayerOfflineException.class, CREFormatException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_3_1;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment environment, Construct... args) throws ConfigRuntimeException {
			MCPlayer p = null;
			boolean relative = false;
			if (environment.getEnv(CommandHelperEnvironment.class).GetPlayer() != null) {
				p = environment.getEnv(CommandHelperEnvironment.class).GetPlayer();
			}
			if (args.length >= 2) {
				p = Static.GetPlayer(args[0], t);
			}
			if (args.length == 3) {
				relative = Static.getBoolean(args[2]);
			}
			Static.AssertPlayerNonNull(p, t);
			long time = 0;
			String stime = (args.length == 1 ? args[0] : args[1]).val().toLowerCase();
			if (TimeLookup.containsKey(stime.replaceAll("[^a-z]", ""))) {
				stime = TimeLookup.get(stime.replaceAll("[^a-z]", "")).val();
			}
			if (stime.matches("^([\\d]+)[:.]([\\d]+)[ ]*?(?:([pa])\\.*m\\.*){0,1}$")) {
				Pattern pa = Pattern.compile("^([\\d]+)[:.]([\\d]+)[ ]*?(?:([pa])\\.*m\\.*){0,1}$");
				Matcher m = pa.matcher(stime);
				m.find();
				int hour = Integer.parseInt(m.group(1));
				int minute = Integer.parseInt(m.group(2));
				String offset = "a";
				if (m.group(3) != null) {
					offset = m.group(3);
				}
				if (offset.equals("p")) {
					hour += 12;
				}
				if (hour == 24) {
					hour = 0;
				}
				if (hour > 24) {
					throw new CREFormatException("Invalid time provided", t);
				}
				if (minute > 59) {
					throw new CREFormatException("Invalid time provided", t);
				}
				hour -= 6;
				hour = hour % 24;
				long ttime = hour * 1000;
				ttime += ((minute / 60.0) * 1000);
				stime = Long.toString(ttime);
			}
			try {
				Long.valueOf(stime);
			} catch (NumberFormatException e) {
				throw new CREFormatException("Invalid time provided", t);
			}
			time = Long.parseLong(stime);
			p.setPlayerTime(time, relative);
			return CVoid.VOID;
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class pget_time extends AbstractFunction {

		@Override
		public String getName() {
			return "pget_time";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{0, 1};
		}

		@Override
		public String docs() {
			return "int {[player]} Returns the time of the specified player, as an integer from"
					+ " 0 to 24000-1";
		}

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CREPlayerOfflineException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_3_1;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment environment, Construct... args) throws ConfigRuntimeException {
			MCPlayer p = null;
			if (environment.getEnv(CommandHelperEnvironment.class).GetPlayer() != null) {
				p = environment.getEnv(CommandHelperEnvironment.class).GetPlayer();
			}
			if (args.length == 1) {
				p = Static.GetPlayer(args[0], t);
			}
			Static.AssertPlayerNonNull(p, t);
			return new CInt(p.getPlayerTime(), t);
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class preset_time extends AbstractFunction {

		@Override
		public String getName() {
			return "preset_time";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{0, 1};
		}

		@Override
		public String docs() {
			return "void {[player]} Resets the time of the player to the time of the world.";
		}

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CREInvalidWorldException.class, CREPlayerOfflineException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_3_1;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment environment, Construct... args) throws ConfigRuntimeException {
			MCPlayer p = null;
			if (environment.getEnv(CommandHelperEnvironment.class).GetPlayer() != null) {
				p = environment.getEnv(CommandHelperEnvironment.class).GetPlayer();
			}
			if (args.length == 1) {
				p = Static.GetPlayer(args[0], t);
			}
			Static.AssertPlayerNonNull(p, t);
			p.resetPlayerTime();
			return CVoid.VOID;
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class phas_storm extends AbstractFunction {

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CREPlayerOfflineException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment environment, Construct... args) throws ConfigRuntimeException {
			MCPlayer m = environment.getEnv(CommandHelperEnvironment.class).GetPlayer();
			if(args.length == 1) {
				m = Static.GetPlayer(args[0], t);
			}
			Static.AssertPlayerNonNull(m, t);
			return CBoolean.get(m.getPlayerWeather() == MCWeather.DOWNFALL);
		}

		@Override
		public String getName() {
			return "phas_storm";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{0, 1};
		}

		@Override
		public String docs() {
			return "void {[player]} Returns true if the given player is experiencing a storm, as set by"
					+ " set_pstorm(). (ignores world weather)";
		}

		@Override
		public Version since() {
			return CHVersion.V3_3_1;
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class set_pstorm extends AbstractFunction {

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CREPlayerOfflineException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment environment, Construct... args) throws ConfigRuntimeException {
			MCPlayer m = environment.getEnv(CommandHelperEnvironment.class).GetPlayer();
			int offset = 0;
			if (args.length == 2) {
				m = Static.GetPlayer(args[0], t);
				offset = 1;
			}
			Static.AssertPlayerNonNull(m, t);
			if(args[offset] instanceof CNull) {
				m.resetPlayerWeather();
			} else if(Static.getBoolean(args[offset])) {
				m.setPlayerWeather(MCWeather.DOWNFALL);
			} else {
				m.setPlayerWeather(MCWeather.CLEAR);
			}
			return CVoid.VOID;
		}

		@Override
		public String getName() {
			return "set_pstorm";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{1, 2};
		}

		@Override
		public String docs() {
			return "void {[player], downFall} Sets the weather for the given player only. If downFall is true, the"
					+ " player will experience a storm. If downFall is null, it will reset the player's weather to that"
					+ " of the world.";
		}

		@Override
		public Version since() {
			return CHVersion.V3_3_1;
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class set_list_name extends AbstractFunction {

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CREPlayerOfflineException.class,
					CRELengthException.class, CREIllegalArgumentException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment environment, Construct... args) throws ConfigRuntimeException {
			MCPlayer m;
			String listName;
			if (args.length == 2) {
				m = Static.GetPlayer(args[0], t);
				listName = args[1].nval();
			} else {
				m = environment.getEnv(CommandHelperEnvironment.class).GetPlayer();
				listName = args[0].nval();
			}
			Static.AssertPlayerNonNull(m, t);
			try {
				m.setPlayerListName(listName);
			} catch(IllegalArgumentException e) {
				if(listName.length() > 16) {
					throw new CRELengthException("set_list_name([player,] name)"
							+ " expects name to be 16 characters or less for MineCraft versions prior to 1.8.", t);
				} else {
					throw new CREIllegalArgumentException("set_list_name([player,] name)"
							+ " was called with a name that is already in use."
							+ " (This will no longer cause an Exception for MineCraft versions 1.8 and higher).", t);
				}
			}
			return CVoid.VOID;
		}

		@Override
		public String getName() {
			return "set_list_name";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{1, 2};
		}

		@Override
		public String docs() {
			return "void {[player], [listName]} Sets the player's list name. Colors are supported"
					+ " and setting the name to null resets it."
					+ " MineCraft versions prior to 1.8 have a limit of 16 characters for the name."
					+ " In these versions, an IllegalArgumentException is thrown if the name specified is already"
					+ " taken and a LengthException is thrown when the name is greater than 16 characters."
					+ " In versions 1.8 and higher, specifying an already taken name will be silently ignored.";
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_3_1;
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class get_list_name extends AbstractFunction {

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CREPlayerOfflineException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment environment, Construct... args) throws ConfigRuntimeException {
			MCPlayer p = environment.getEnv(CommandHelperEnvironment.class).GetPlayer();
			if (args.length == 1) {
				p = Static.GetPlayer(args[0], t);
			}
			Static.AssertPlayerNonNull(p, t);
			return new CString(p.getPlayerListName(), t);
		}

		@Override
		public String getName() {
			return "get_list_name";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{0, 1};
		}

		@Override
		public String docs() {
			return "string {[player]} Returns the list name of the specified player, or the current player if none specified.";
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_3_1;
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	@hide("TODO: I'm not sure why this is hidden.")
	public static class pvelocity extends AbstractFunction {

		@Override
		public String getName() {
			return "pvelocity";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{0, 1};
		}

		@Override
		public String docs() {
			return "array {[player]} Returns an associative array that represents the player's velocity."
					+ " The array contains the following items: magnitude, x, y, z. These represent a"
					+ " 3 dimensional Vector. The important part is x, y, z, however, the magnitude is provided"
					+ " for you as a convenience. (It should equal sqrt(x ** 2 + y ** 2 + z ** 2))";
		}

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CREPlayerOfflineException.class, CRENotFoundException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment environment, Construct... args) throws ConfigRuntimeException {
			MCPlayer p = environment.getEnv(CommandHelperEnvironment.class).GetPlayer();
			if (args.length == 1) {
				p = Static.GetPlayer(args[0], t);
			}
			Static.AssertPlayerNonNull(p, t);
			CArray vector = CArray.GetAssociativeArray(t);
			Vector3D velocity = p.getVelocity();
			if (velocity == null) {
				throw new CRENotFoundException(
						"The players velocity could not be found (Are you running in cmdline mode?)", t);
			}
			vector.set("magnitude", new CDouble(velocity.length(), t), t);
			vector.set("x", new CDouble(velocity.X(), t), t);
			vector.set("y", new CDouble(velocity.Y(), t), t);
			vector.set("z", new CDouble(velocity.Z(), t), t);
			return vector;
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_3_0;
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class set_pvelocity extends AbstractFunction {

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CRECastException.class, CREPlayerOfflineException.class, CREFormatException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment environment, Construct... args) throws ConfigRuntimeException {
			MCPlayer p = environment.getEnv(CommandHelperEnvironment.class).GetPlayer();
			double x;
			double y;
			double z;
			switch (args.length) {
				case 1:
				case 2: {
					int offset = 0;
					if (args.length == 2) {
						offset = 1;
						p = Static.GetPlayer(args[0], t);
					}
					if (args[offset] instanceof CArray) {
						Static.AssertPlayerNonNull(p, t);
						MCLocation l = ObjectGenerator.GetGenerator().location(args[offset], p.getWorld(), t);
						x = l.getX();
						y = l.getY();
						z = l.getZ();
					} else {
						throw new CRECastException("Expecting an array, but \"" + args[offset].val() + "\" was given.", t);
					}
					break;
				}
				case 3:
				case 4: {
					int offset = 0;
					if (args.length == 4) {
						offset = 1;
						p = Static.GetPlayer(args[0], t);
					}
					x = Static.getDouble(args[offset], t);
					y = Static.getDouble(args[offset + 1], t);
					z = Static.getDouble(args[offset + 2], t);
					break;
				}
				default:
					throw new RuntimeException();
			}
			Vector3D v = new Vector3D(x, y, z);
			// TODO: consider removing this and updating the switch above
			if (v.length() > 10) {
				CHLog.GetLogger().Log(CHLog.Tags.GENERAL, LogLevel.WARNING,
						"The call to " + getName() + " has been cancelled, because the magnitude was greater than 10."
								+ " (It was " + v.length() + ")", t);
				return CBoolean.FALSE;
			}
			Static.AssertPlayerNonNull(p, t);
			p.setVelocity(v);
			return CBoolean.TRUE;
		}

		@Override
		public String getName() {
			return "set_pvelocity";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{1, 2, 3, 4};
		}

		@Override
		public String docs() {
			return "boolean {[player], vector | [player], x, y, z} Sets a player's velocity. vector must be an"
					+ " associative array with x, y, and z keys defined (if magnitude is set, it is ignored)."
					+ " If the vector's magnitude is greater than 10, the command is cancelled, because the"
					+ " server won't allow the player to move faster than that. A warning is issued, and false"
					+ " is returned if this"
					+ " happens, otherwise, true is returned.";
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_3_1;
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class psend_sign_text extends AbstractFunction {

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CREFormatException.class, CREPlayerOfflineException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment environment, Construct... args) throws ConfigRuntimeException {
			MCPlayer p = environment.getEnv(CommandHelperEnvironment.class).GetPlayer();
			int offset = 0;
			if (args.length == 3 || args.length == 6) {
				p = Static.GetPlayer(args[0], t);
				offset = 1;
			}
			Static.AssertPlayerNonNull(p, t);
			MCLocation loc = ObjectGenerator.GetGenerator().location(args[offset], p.getWorld(), t);

			String[] lines = new String[4];

			if(args.length == 2 || args.length == 3) {
				//Lines are in an array
				CArray lineArray = Static.getArray(args[1 + offset], t);
				if(lineArray.size() != 4) {
					throw new CRECastException("Line array must have 4 elements.", t);
				}
				lines[0] = lineArray.get(0, t).val();
				lines[1] = lineArray.get(1, t).val();
				lines[2] = lineArray.get(2, t).val();
				lines[3] = lineArray.get(3, t).val();
			} else {
				//Lines are in different arguments
				lines[0] = args[1 + offset].val();
				lines[1] = args[2 + offset].val();
				lines[2] = args[3 + offset].val();
				lines[3] = args[4 + offset].val();
			}

			p.sendSignTextChange(loc, lines);
			return CVoid.VOID;
		}

		@Override
		public String getName() {
			return "psend_sign_text";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{2, 3, 5, 6};
		}

		@Override
		public String docs() {
			return "void {[player], locationArray, 1, 2, 3, 4 | [player], locationArray, lineArray} Changes a signs' text, but only temporarily, and only for the specified player."
				   + " This can be used to \"fake\" sign text for a player. LineArray, if used, must have 4 elements.";
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_3_1;
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class psend_block_change extends AbstractFunction {

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CREFormatException.class, CREPlayerOfflineException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment environment, Construct... args) throws ConfigRuntimeException {
			MCPlayer p = environment.getEnv(CommandHelperEnvironment.class).GetPlayer();
			int offset = 0;
			if (args.length == 3) {
				p = Static.GetPlayer(args[0], t);
				offset = 1;
			}
			Static.AssertPlayerNonNull(p, t);
			MCLocation loc = ObjectGenerator.GetGenerator().location(args[0 + offset], p.getWorld(), t);
			MCItemStack item = Static.ParseItemNotation(getName(), args[1 + offset].val(), 1, t);
			p.sendBlockChange(loc, item.getType().getType(), (byte) item.getData().getData());
			return CVoid.VOID;
		}

		@Override
		public String getName() {
			return "psend_block_change";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{2, 3};
		}

		@Override
		public String docs() {
			return "void {[player], locationArray, itemID} Changes a block, but only temporarily, and only for the specified player."
					+ " This can be used to \"fake\" blocks for a player. ItemID is in the 1[:1] data format.";
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_3_1;
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class phunger extends AbstractFunction {

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CREPlayerOfflineException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment environment, Construct... args) throws ConfigRuntimeException {
			MCPlayer p = environment.getEnv(CommandHelperEnvironment.class).GetPlayer();
			if (args.length == 1) {
				p = Static.GetPlayer(args[0], t);
			}
			Static.AssertPlayerNonNull(p, t);
			return new CInt(p.getFoodLevel(), t);
		}

		@Override
		public String getName() {
			return "phunger";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{0, 1};
		}

		@Override
		public String docs() {
			return "int {[player]} Returns the player's hunger level";
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_3_1;
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class set_phunger extends AbstractFunction {

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CRERangeException.class, CREPlayerOfflineException.class, CRECastException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment environment, Construct... args) throws ConfigRuntimeException {
			MCPlayer p = environment.getEnv(CommandHelperEnvironment.class).GetPlayer();
			int hunger, hungerIndex = 0;
			if (args.length == 2) {
				p = Static.GetPlayer(args[0], t);
				hungerIndex = 1;
			}
			Static.AssertPlayerNonNull(p, t);
			hunger = Static.getInt32(args[hungerIndex], t);
			p.setFoodLevel(hunger);
			return CVoid.VOID;
		}

		@Override
		public String getName() {
			return "set_phunger";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{1, 2};
		}

		@Override
		public String docs() {
			return "void {[player], hunger} Sets a player's hunger level";
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_3_1;
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class psaturation extends AbstractFunction {

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CRERangeException.class, CREPlayerOfflineException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment environment, Construct... args) throws ConfigRuntimeException {
			MCPlayer p = environment.getEnv(CommandHelperEnvironment.class).GetPlayer();
			if (args.length == 1) {
				p = Static.GetPlayer(args[0], t);
			}
			Static.AssertPlayerNonNull(p, t);
			return new CDouble(p.getSaturation(), t);
		}

		@Override
		public String getName() {
			return "psaturation";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{0, 1};
		}

		@Override
		public String docs() {
			return "double {[player]} Returns the player's saturation level";
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_3_1;
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class set_psaturation extends AbstractFunction {

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CRERangeException.class, CREPlayerOfflineException.class, CRECastException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment environment, Construct... args) throws ConfigRuntimeException {
			MCPlayer p = environment.getEnv(CommandHelperEnvironment.class).GetPlayer();
			float saturation;
			int saturationIndex = 0;
			if (args.length == 2) {
				p = Static.GetPlayer(args[0], t);
				saturationIndex = 1;
			}
			Static.AssertPlayerNonNull(p, t);
			saturation = (float) Static.getDouble(args[saturationIndex], t);
			p.setSaturation(saturation);
			return CVoid.VOID;
		}

		@Override
		public String getName() {
			return "set_psaturation";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{1, 2};
		}

		@Override
		public String docs() {
			return "void {[player], saturation} ";
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_3_1;
		}

	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class pbed_location extends AbstractFunction {

		@Override
		public String getName() {
			return "pbed_location";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{0, 1};
		}

		@Override
		public Construct exec(Target t, Environment env, Construct... args) throws CancelCommandException, ConfigRuntimeException {
			MCOfflinePlayer player = env.getEnv(CommandHelperEnvironment.class).GetPlayer();
			if (args.length == 1) {
				player = Static.GetUser(args[0].val(), t);
			} else if (player == null) {
				throw new CREInsufficientArgumentsException(this.getName() + " requires a player as first argument when ran from console", t);
			}
			if (player == null) {
				throw new CRENotFoundException(
						this.getName() + " failed to get an offline player (are you running in cmdline mode?)", t);
			}
			MCLocation loc = player.getBedSpawnLocation();
			if (loc == null) {
				return CNull.NULL;
			} else {
				return ObjectGenerator.GetGenerator().location(loc, false);
			}
		}

		@Override
		public String docs() {
			return "array {[playerName]} Returns an array of x, y, z, coords of the bed of the player specified, or the player running the command otherwise."
					+ "The array returned will also include the bed's world in index 3 of the array. This is set when a player sleeps or by set_pbed_location.";
		}

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CREInsufficientArgumentsException.class, CRENotFoundException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_3_1;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}
	}

	@api(environments = {CommandHelperEnvironment.class})
	public static class set_pbed_location extends AbstractFunction {

		@Override
		public String getName() {
			return "set_pbed_location";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{1, 2, 3, 4, 5};
		}

		@Override
		public String docs() {
			return "boolean {[player], locationArray, [forced] | [player], x, y, z, [forced]} Sets the respawn location"
					+ " of a player. If player is omitted, the current player is used. The specified location should be"
					+ " the block below the respawn location. If forced is false, it will respawn the player next to"
					+ " that location only if a bed found is found there. (forced defaults to true)";
		}

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CRECastException.class, CRELengthException.class,
					CREPlayerOfflineException.class, CREFormatException.class,
					CRENullPointerException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_3_1;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment env, Construct... args)
				throws CancelCommandException, ConfigRuntimeException {

			MCCommandSender p = env.getEnv(CommandHelperEnvironment.class).GetCommandSender();
			String pname = null;
			MCPlayer m = null;
			MCLocation l;
			int locationIndex;
			boolean forced = true;

			if (args.length == 1) {
				if (args[0] instanceof CArray) {
					if (p instanceof MCPlayer) {
						m = ((MCPlayer) p);
					}
					locationIndex = 0;
				} else {
					throw new CRECastException("Expecting an array in set_pbed_location", t);
				}
			} else if (args.length == 2) {
				if (args[1] instanceof CArray) {
					pname = args[0].val();
					locationIndex = 1;
				} else if (args[0] instanceof CArray) {
					if (p instanceof MCPlayer) {
						m = ((MCPlayer) p);
					}
					locationIndex = 0;
					forced = Static.getBoolean(args[1]);
				} else {
					throw new CRECastException("Expecting an array in set_pbed_location", t);
				}
			} else if (args.length == 3) {
				if (args[1] instanceof CArray) {
					pname = args[0].val();
					locationIndex = 1;
					forced = Static.getBoolean(args[2]);
				} else {
					if (p instanceof MCPlayer) {
						m = (MCPlayer) p;
					}
					locationIndex = 0;
				}
			} else if (args.length == 4) {
				try {
					m = Static.GetPlayer(args[0], t);
					locationIndex = 1;
				} catch (ConfigRuntimeException e) {
					if (p instanceof MCPlayer) {
						m = (MCPlayer) p;
					}
					locationIndex = 0;
					forced = Static.getBoolean(args[3]);
				}
			} else {
				m = Static.GetPlayer(args[0], t);
				locationIndex = 1;
				forced = Static.getBoolean(args[4]);
			}

			if (m == null && pname != null) {
				m = Static.GetPlayer(pname, t);
			}
			Static.AssertPlayerNonNull(m, t);

			if(args[locationIndex] instanceof CArray) {
				CArray ca = (CArray) args[locationIndex];
				l = ObjectGenerator.GetGenerator().location(ca, m.getWorld(), t);
				l.add(0, 1, 0); // someone decided to match ploc() here
			} else {
				l = m.getLocation();
				if (l == null) {
					throw new CRENullPointerException(
							"The given player has a null location (are you running from cmdline mode?)", t);
				}
				l.setX(Static.getNumber(args[locationIndex], t));
				l.setY(Static.getNumber(args[locationIndex + 1], t) + 1);
				l.setZ(Static.getNumber(args[locationIndex + 2], t));
			}

			m.setBedSpawnLocation(l, forced);
			return CVoid.VOID;
		}
	}

	@api(environments={CommandHelperEnvironment.class})
	public static class pvehicle extends AbstractFunction {

		@Override
		public String getName() {
			return "pvehicle";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{0, 1};
		}

		@Override
		public String docs() {
			return "mixed {[player]} Returns ID of vehicle which player is in or null if player is outside the vehicle";
			}

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CREPlayerOfflineException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_3_1;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment environment, Construct... args) throws ConfigRuntimeException {
			MCPlayer p = environment.getEnv(CommandHelperEnvironment.class).GetPlayer();
			if (args.length == 1) {
				p = Static.GetPlayer(args[0].val(), t);
			}

			Static.AssertPlayerNonNull(p, t);
			if (!p.isInsideVehicle()) {
				return CNull.NULL;
			}

			return new CString(p.getVehicle().getUniqueId().toString(), t);
		}
	}

	@api(environments={CommandHelperEnvironment.class})
	public static class pvehicle_leave extends AbstractFunction {

		@Override
		public String getName() {
			return "pvehicle_leave";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{0, 1};
		}

		@Override
		public String docs() {
			return "boolean {[player]} Leave vehicle by player or return false if player is outside the vehicle";
		}

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CREPlayerOfflineException.class};
	}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_3_1;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment environment, Construct... args) throws ConfigRuntimeException {
			MCPlayer p = environment.getEnv(CommandHelperEnvironment.class).GetPlayer();
			if (args.length == 1) {;
				p = Static.GetPlayer(args[0].val(), t);
			}
			Static.AssertPlayerNonNull(p, t);

			return CBoolean.get(p.leaveVehicle());
		}
	}

	@api(environments={CommandHelperEnvironment.class})
	public static class get_offline_players extends AbstractFunction {

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment environment, Construct... args) throws ConfigRuntimeException {
			MCServer s = Static.getServer();
			CArray ret = new CArray(t);
			if (s != null && s.getOfflinePlayers() != null) { // This causes the function to return an empty array for a fake/null server.
				for (MCOfflinePlayer offp : s.getOfflinePlayers()) {
					ret.push(new CString(offp.getName(), t), t);
				}
			}
			return ret;
		}

		@Override
		public String getName() {
			return "get_offline_players";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{0};
		}

		@Override
		public String docs() {
			return "array {} Returns an array of every player who has played on this server.";
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_3_1;
		}

		@Override
		public ExampleScript[] examples() throws ConfigCompileException {
			return new ExampleScript[]{
					new ExampleScript("Simple usage", "get_offline_players()", "{Bill, Bob, Joe, Fred}")
			};
		}

	}

	@api(environments={CommandHelperEnvironment.class})
	public static class phas_played extends AbstractFunction {

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment environment, Construct... args) throws ConfigRuntimeException {
			MCOfflinePlayer offp = Static.GetUser(args[0].val(), t);
			return CBoolean.get(offp != null && offp.hasPlayedBefore());
		}

		@Override
		public String getName() {
			return "phas_played";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{1};
		}

		@Override
		public String docs() {
			return "boolean {player} Returns whether the given player has ever been on this server."
					+ " This will not throw a PlayerOfflineException, so the name must be exact.";
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_3_1;
		}

		@Override
		public ExampleScript[] examples() throws ConfigCompileException {
			return new ExampleScript[]{
					new ExampleScript("Demonstrates a player that has played", "phas_played('Notch')", ":true"),
					new ExampleScript("Demonstrates a player that has not played", "phas_played('Herobrine')", ":false")
			};
		}

	}

	@api(environments={CommandHelperEnvironment.class})
	public static class pfirst_played extends AbstractFunction {

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment environment,
				Construct... args) throws ConfigRuntimeException {
			MCCommandSender cs = environment.getEnv(CommandHelperEnvironment.class).GetCommandSender();
			MCOfflinePlayer op = null;
			if (args.length == 1) {
				op = Static.GetUser(args[0].val(), t);
			} else if (cs != null) {
				op = Static.GetUser(cs.getName(), t);
			}
			return new CInt((op == null ? 0 : op.getFirstPlayed()), t); // Return 0 for fake/null command senders.
		}

		@Override
		public String getName() {
			return "pfirst_played";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{0,1};
		}

		@Override
		public String docs() {
			return "int {[player]} Returns the unix time stamp, in milliseconds, that this player first logged onto"
					+ " this server, or 0 if they never have. This will not throw a PlayerOfflineException, so the"
					+ " name or UUID must be exact.";
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_3_1;
		}

		@Override
		public ExampleScript[] examples() throws ConfigCompileException {
			return new ExampleScript[]{
					new ExampleScript("Demonstrates a player that has played", "pfirst_played('Notch')", ":13558362167593"),
					new ExampleScript("Demonstrates a player that has not played", "pfirst_played('Herobrine')", ":0")
			};
		}

	}

	@api(environments={CommandHelperEnvironment.class})
	public static class plast_played extends AbstractFunction {

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment environment, Construct... args) throws ConfigRuntimeException {
			MCCommandSender cs = environment.getEnv(CommandHelperEnvironment.class).GetCommandSender();
			MCOfflinePlayer op = null;
			if (args.length == 1) {
				op = Static.GetUser(args[0].val(), t);
			} else if (cs != null) {
				op = Static.GetUser(cs.getName(), t);
			}
			return new CInt((op == null ? 0 : op.getLastPlayed()), t); // Return 0 for fake/null command senders.
		}

		@Override
		public String getName() {
			return "plast_played";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{0,1};
		}

		@Override
		public String docs() {
			return "int {[player]} Returns the unix time stamp, in milliseconds, that this player was last seen on this"
					+ " server, or 0 if they never were. This will not throw a PlayerOfflineException, so the name or "
					+ " UUID must be exact.";
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_3_1;
		}

		@Override
		public ExampleScript[] examples() throws ConfigCompileException {
			return new ExampleScript[]{
					new ExampleScript("Demonstrates a player that has played", "plast_played('Notch')", ":13558362167593"),
					new ExampleScript("Demonstrates a player that has not played", "plast_played('Herobrine')", ":0")
			};
		}
	}

	@api
	public static class get_player_from_entity_id extends AbstractFunction {

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CRECastException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment environment, Construct... args) throws ConfigRuntimeException {
			try {
				return new CString(((MCPlayer) Static.getLivingEntity(args[0], t)).getName(), t);
			} catch (Exception exception) {
				return CNull.NULL;
			}
		}

		@Override
		public String getName() {
			return "get_player_from_entity_id";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{1};
		}

		@Override
		public String docs() {
			return "string {entityID} Given an entity ID that represents a player, returns that player's name, or"
					+ " null if the entity ID isn't a player's entity ID.";
		}

		@Override
		public Version since() {
			return CHVersion.V3_3_1;
		}
	}

	@api
	public static class save_players extends AbstractFunction {

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CRECastException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment environment, Construct... args) throws ConfigRuntimeException {
			Static.getServer().savePlayers();
			return CVoid.VOID;
		}

		@Override
		public String getName() {
			return "save_players";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{0};
		}

		@Override
		public String docs() {
			return "void {} Saves current players to disk.";
		}

		@Override
		public Version since() {
			return CHVersion.V3_3_1;
		}
	}
	@api
	@seealso({set_pflight.class})
	public static class set_pflying extends AbstractFunction {

		@Override
		public String getName() {
			return "set_pflying";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{1, 2};
		}

		@Override
		public String docs() {
			return "void {[player], flight} Sets whether or not this player is flying."
					+ "Requires player to have the ability to fly, which is set with set_pflight().";
		}

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CREPlayerOfflineException.class, CREIllegalArgumentException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment environment, Construct... args) throws ConfigRuntimeException {
			MCPlayer p = environment.getEnv(CommandHelperEnvironment.class).GetPlayer();
			boolean flight;
			if (args.length == 1) {
				flight = Static.getBoolean(args[0]);
			} else {
				p = Static.GetPlayer(args[0], t);
				flight = Static.getBoolean(args[1]);
			}
			Static.AssertPlayerNonNull(p, t);
			if(!p.getAllowFlight()) {
				throw new CREIllegalArgumentException("Player must have the ability to fly. Set with set_pflight()", t);
			}
			// This is needed in order for the player to enter flight mode whilst standing on the ground.
			if(flight
			&& p.isOnGround()) {
				Vector3D v = p.getVelocity();
				// 0.08 was chosen as it does not change the player's position, whereas higher values do.
				Vector3D newV = v.add(new Vector3D(v.X(), v.Y() + 0.08, v.Z()));
				p.setVelocity(newV);
			}
			p.setFlying(flight);
			// We only want to set whether the player is flying; not whether the player can fly.
			p.setAllowFlight(true);
			return CVoid.VOID;
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_3_1;
		}
	}

	@api
	public static class pspectator_target extends AbstractFunction {

		@Override
		public String getName() {
			return "pspectator_target";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{0, 1};
		}

		@Override
		public String docs() {
			return "void {[player]} Gets the entity that a spectator is viewing. If the player isn't spectating"
					+ " from an entity, null is returned. If the player isn't in spectator mode, an"
					+ " IllegalArgumentException is thrown.";
		}

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CREPlayerOfflineException.class, CREIllegalArgumentException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment environment, Construct... args) throws ConfigRuntimeException {
			MCPlayer p;
			if (args.length == 0) {
				p = environment.getEnv(CommandHelperEnvironment.class).GetPlayer();
			} else {
				p = Static.GetPlayer(args[0], t);
			}
			Static.AssertPlayerNonNull(p, t);
			if(p.getGameMode() != MCGameMode.SPECTATOR) {
				throw new CREIllegalArgumentException("Player must be in spectator mode.", t);
			}
			MCEntity e = p.getSpectatorTarget();
			if(e == null) {
				return CNull.NULL;
			}
			return new CString(e.getUniqueId().toString(), t);
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_3_1;
		}
	}

	@api
	public static class set_pspectator_target extends AbstractFunction {

		@Override
		public String getName() {
			return "set_pspectator_target";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{1, 2};
		}

		@Override
		public String docs() {
			return "void {[player], entity} Sets the entity for the player to spectate. If set to null, the"
					+ " spectator will stop following an entity. If the player is not in spectator mode an"
					+ " IllegalArgumentException is thrown.";
		}

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CREPlayerOfflineException.class, CREIllegalArgumentException.class,
					CREBadEntityException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, Environment environment, Construct... args) throws ConfigRuntimeException {
			MCPlayer p;
			int offset = 0;
			if (args.length == 1) {
				p = environment.getEnv(CommandHelperEnvironment.class).GetPlayer();
			} else {
				p = Static.GetPlayer(args[0], t);
				offset = 1;
			}
			Static.AssertPlayerNonNull(p, t);
			if(p.getGameMode() != MCGameMode.SPECTATOR) {
				throw new CREIllegalArgumentException("Player must be in spectator mode.", t);
			}
			if(args[offset] instanceof CNull) {
				p.setSpectatorTarget(null);
			} else {
				p.setSpectatorTarget(Static.getLivingEntity(args[offset], t));
			}
			return CVoid.VOID;
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_3_1;
		}
	}

	@api
	@seealso({com.laytonsmith.core.functions.Environment.play_sound.class})
	public static class stop_sound extends AbstractFunction {

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CREInvalidWorldException.class,CRELengthException.class, CREFormatException.class,
					CREPlayerOfflineException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, com.laytonsmith.core.environments.Environment environment, Construct... args)
				throws ConfigRuntimeException {

			MCPlayer p = Static.GetPlayer(args[0], t);

			MCSound sound;
			try {
				sound = MCSound.valueOf(args[1].val().toUpperCase());
			} catch (IllegalArgumentException iae) {
				throw new CREFormatException("Sound name '" + args[1].val() + "' is invalid.", t);
			}

			if(args.length == 3) {
				MCSoundCategory category;
				try {
					category = MCSoundCategory.valueOf(args[2].val().toUpperCase());
				} catch (IllegalArgumentException iae) {
					throw new CREFormatException("Sound category '" + args[2].val() + "' is invalid.", t);
				}
				p.stopSound(sound, category);
			} else {
				p.stopSound(sound);
			}

			return CVoid.VOID;
		}

		@Override
		public String getName() {
			return "stop_sound";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{2, 3};
		}

		@Override
		public String docs() {
			return "void {player, sound, [category]} Stops the specified sound for the given player.";
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_3_2;
		}

	}

	@api
	@seealso({com.laytonsmith.core.functions.Environment.play_named_sound.class})
	public static class stop_named_sound extends AbstractFunction {

		@Override
		public Class<? extends CREThrowable>[] thrown() {
			return new Class[]{CREInvalidWorldException.class,CRELengthException.class, CREFormatException.class,
					CREPlayerOfflineException.class};
		}

		@Override
		public boolean isRestricted() {
			return true;
		}

		@Override
		public Boolean runAsync() {
			return false;
		}

		@Override
		public Construct exec(Target t, com.laytonsmith.core.environments.Environment environment, Construct... args)
				throws ConfigRuntimeException {

			MCPlayer p = Static.GetPlayer(args[0], t);
			String sound = args[1].val();
			if(args.length == 3) {
				MCSoundCategory category;
				try {
					category = MCSoundCategory.valueOf(args[2].val().toUpperCase());
				} catch (IllegalArgumentException iae) {
					throw new CREFormatException("Sound category '" + args[2].val() + "' is invalid.", t);
				}
				p.stopSound(sound, category);
			} else {
				p.stopSound(sound);
			}

			return CVoid.VOID;
		}

		@Override
		public String getName() {
			return "stop_named_sound";
		}

		@Override
		public Integer[] numArgs() {
			return new Integer[]{2, 3};
		}

		@Override
		public String docs() {
			return "void {player, sound, [category]} Stops the specified sound for the given player.";
		}

		@Override
		public CHVersion since() {
			return CHVersion.V3_3_2;
		}

	}
}