Add missing files

.gitattributes

@@ -0,0 +1,5 @@
+# Disable autocrlf on generated files, they always generate with LF
+# Add any extra files or paths here to make git stop saying they
+# are changed when only line endings change.
+src/generated/**/.cache/cache text eol=lf
+src/generated/**/*.json text eol=lf

.gitignore

@@ -1,15 +1,129 @@
-# Ignore Everything
+### Eclipse ###
-/*
+.metadata
+bin/
+tmp/
+*.tmp
+*.bak
+*.swp
+*~.nib
+local.properties
+.settings/
+.loadpath
+.recommenders
 
-# Except
+# External tool builders
+.externalToolBuilders/
 
-!/src/main/
+# Locally stored "Eclipse launch configurations"
-!/gradle/
+*.launch
-!/run/config/worldhandler/usercontent/
+
-!build.gradle
+# PyDev specific (Python IDE for Eclipse)
-!curseforge.html
+*.pydevproject
-!gradlew
+
-!gradlew.bat
+# CDT-specific (C/C++ Development Tooling)
-!LICENSE.txt
+.cproject
-!README.md
+
-!version.json
+# CDT- autotools
+.autotools
+
+# Java annotation processor (APT)
+.factorypath
+
+# PDT-specific (PHP Development Tools)
+.buildpath
+
+# sbteclipse plugin
+.target
+
+# Tern plugin
+.tern-project
+
+# TeXlipse plugin
+.texlipse
+
+# STS (Spring Tool Suite)
+.springBeans
+
+# Code Recommenders
+.recommenders/
+
+# Annotation Processing
+.apt_generated/
+.apt_generated_test/
+
+# Scala IDE specific (Scala & Java development for Eclipse)
+.cache-main
+.scala_dependencies
+.worksheet
+
+# Uncomment this line if you wish to ignore the project description file.
+# Typically, this file would be tracked if it contains build/dependency configurations:
+#.project
+
+### Eclipse Patch ###
+# Spring Boot Tooling
+.sts4-cache/
+
+### ForgeGradle ###
+# Minecraft client/server files
+run/
+
+### Java ###
+# Compiled class file
+*.class
+
+# Log file
+*.log
+
+# BlueJ files
+*.ctxt
+
+# Mobile Tools for Java (J2ME)
+.mtj.tmp/
+
+# Package Files #
+*.jar
+*.war
+*.nar
+*.ear
+*.zip
+*.tar.gz
+*.rar
+
+# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
+hs_err_pid*
+
+### Gradle ###
+.gradle
+build/
+
+# Ignore Gradle GUI config
+gradle-app.setting
+
+# Avoid ignoring Gradle wrapper jar file (.jar files are usually ignored)
+!gradle-wrapper.jar
+
+# Cache of project
+.gradletasknamecache
+
+# # Work around https://youtrack.jetbrains.com/issue/IDEA-116898
+# gradle/wrapper/gradle-wrapper.properties
+
+### Gradle Patch ###
+**/build/
+
+# Eclipse Gradle plugin generated files
+# Eclipse Core
+.project
+# JDT-specific (Eclipse Java Development Tools)
+.classpath
+
+### Wiki ###
+wiki/
+
+### Test ###
+src/test/
+
+### ForgeGradle ###
+run/
+bin/

src/main/java/exopandora/worldhandler/builder/CommandNode.java

@@ -0,0 +1,119 @@
+package exopandora.worldhandler.builder;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Optional;
+
+import javax.annotation.Nullable;
+
+import exopandora.worldhandler.builder.argument.IArgument;
+
+public abstract class CommandNode<T extends CommandNode<T>>
+{
+	private final String name;
+	private CommandNode<?> parent;
+	private List<CommandNode<?>> children;
+	private Object label;
+	
+	protected CommandNode(String name)
+	{
+		if(name == null || name.isBlank())
+		{
+			throw new IllegalArgumentException("Name cannot be null or blank");
+		}
+		
+		this.name = name;
+	}
+	
+	public T then(CommandNode<?> node)
+	{
+		if(this.children == null)
+		{
+			this.children = new ArrayList<CommandNode<?>>();
+		}
+		
+		node.parent = this.getThis();
+		this.children.add(node);
+		return this.getThis();
+	}
+	
+	public T label(Object label)
+	{
+		this.label = label;
+		return this.getThis();
+	}
+	
+	public Optional<CommandNode<?>> find(Object label)
+	{
+		if(label != null && label.equals(this.label))
+		{
+			return Optional.of(this.getThis());
+		}
+		
+		if(this.hasChildren())
+		{
+			for(CommandNode<?> child : this.children)
+			{
+				Optional<CommandNode<?>> result = child.find(label);
+				
+				if(result.isPresent())
+				{
+					return result;
+				}
+			}
+		}
+		
+		return Optional.empty();
+	}
+	
+	public String getName()
+	{
+		return this.name;
+	}
+	
+	@Nullable
+	public Object getLabel()
+	{
+		return this.label;
+	}
+	
+	public boolean isOptional(Object label)
+	{
+		return this.parent.label != null && (this.label != null && this.label.equals(label) || this.parent.label.equals(label));
+	}
+	
+	@Nullable
+	public CommandNode<?> getParent()
+	{
+		return this.parent;
+	}
+	
+	@Nullable
+	public List<CommandNode<?>> getChildren()
+	{
+		return this.children;
+	}
+	
+	public boolean hasChildren()
+	{
+		return this.children != null && !this.children.isEmpty();
+	}
+	
+	public abstract boolean isDefault(Object label);
+	
+	public abstract String toKey(Object label);
+	
+	public abstract String toValue(Object label);
+	
+	protected abstract T getThis();
+	
+	public static CommandNodeLiteral literal(String label)
+	{
+		return new CommandNodeLiteral(label);
+	}
+	
+	public static CommandNodeArgument argument(String label, IArgument argument)
+	{
+		return new CommandNodeArgument(label, argument);
+	}
+}

src/main/java/exopandora/worldhandler/builder/CommandNodeArgument.java

@@ -0,0 +1,60 @@
+package exopandora.worldhandler.builder;
+
+import exopandora.worldhandler.builder.argument.IArgument;
+
+public class CommandNodeArgument extends CommandNode<CommandNodeArgument>
+{
+	private final IArgument argument;
+	
+	protected CommandNodeArgument(String name, IArgument value)
+	{
+		super(name);
+		this.argument = value;
+	}
+	
+	@Override
+	public String toKey(Object label)
+	{
+		if(this.isOptional(label))
+		{
+			return "[" + this.getName() + "]";
+		}
+		
+		return "<" + this.getName() + ">";
+	}
+	
+	@Override
+	public String toValue(Object label)
+	{
+		if(this.argument == null || this.argument.isDefault())
+		{
+			return this.toKey(label);
+		}
+		
+		String argument = this.argument.serialize();
+		
+		if(argument != null)
+		{
+			return argument;
+		}
+		
+		return this.toKey(label);
+	}
+	
+	@Override
+	public boolean isDefault(Object label)
+	{
+		if(this.argument != null)
+		{
+			return this.argument.isDefault();
+		}
+		
+		return true;
+	}
+	
+	@Override
+	protected CommandNodeArgument getThis()
+	{
+		return this;
+	}
+}

src/main/java/exopandora/worldhandler/builder/CommandNodeLiteral.java

@@ -0,0 +1,33 @@
+package exopandora.worldhandler.builder;
+
+public class CommandNodeLiteral extends CommandNode<CommandNodeLiteral>
+{
+	protected CommandNodeLiteral(String literal)
+	{
+		super(literal);
+	}
+	
+	@Override
+	public boolean isDefault(Object label)
+	{
+		return false;
+	}
+	
+	@Override
+	public String toKey(Object label)
+	{
+		return this.getName();
+	}
+	
+	@Override
+	public String toValue(Object label)
+	{
+		return this.getName();
+	}
+	
+	@Override
+	protected CommandNodeLiteral getThis()
+	{
+		return this;
+	}
+}

src/main/java/exopandora/worldhandler/builder/argument/AngleArgument.java

@@ -0,0 +1,102 @@
+package exopandora.worldhandler.builder.argument;
+
+import javax.annotation.Nullable;
+
+import com.mojang.brigadier.StringReader;
+import com.mojang.brigadier.exceptions.CommandSyntaxException;
+
+import net.minecraft.commands.arguments.coordinates.WorldCoordinate;
+
+public class AngleArgument implements IDeserializableArgument
+{
+	private Float angle;
+	private boolean relative;
+	
+	protected AngleArgument()
+	{
+		super();
+	}
+	
+	public void setAngle(@Nullable Float angle)
+	{
+		this.angle = angle;
+	}
+	
+	public void setRelative(boolean relative)
+	{
+		this.relative = relative;
+	}
+	
+	public void setAngle(@Nullable Float angle, boolean relative)
+	{
+		this.angle = angle;
+		this.relative = relative;
+	}
+	
+	@Nullable
+	public Float getAngle()
+	{
+		return this.angle;
+	}
+	
+	public boolean isRelative()
+	{
+		return this.relative;
+	}
+	
+	@Override
+	public void deserialize(@Nullable String string)
+	{
+		if(string == null)
+		{
+			this.reset();
+		}
+		else
+		{
+			try
+			{
+				StringReader reader = new StringReader(string);
+				boolean relative = WorldCoordinate.isRelative(reader);
+				float angle = reader.canRead() && reader.peek() != ' ' ? reader.readFloat() : 0.0F;
+				
+				if(!Float.isNaN(angle) && !Float.isInfinite(angle))
+				{
+					this.angle = angle;
+					this.relative = relative;
+				}
+				else
+				{
+					this.reset();
+				}
+			}
+			catch(CommandSyntaxException e)
+			{
+				this.reset();
+			}
+		}
+	}
+	
+	private void reset()
+	{
+		this.angle = null;
+		this.relative = false;
+	}
+	
+	@Override
+	@Nullable
+	public String serialize()
+	{
+		if(this.angle == null)
+		{
+			return null;
+		}
+		
+		return this.relative ? "~" : "" + Float.toString(this.angle);
+	}
+	
+	@Override
+	public boolean isDefault()
+	{
+		return this.angle == null;
+	}
+}

src/main/java/exopandora/worldhandler/builder/argument/ArgumentListArgument.java

@@ -0,0 +1,63 @@
+package exopandora.worldhandler.builder.argument;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.stream.Collectors;
+
+import javax.annotation.Nullable;
+
+import exopandora.worldhandler.builder.CommandBuilder;
+
+public class ArgumentListArgument implements IArgument
+{
+	private final List<OptionalCommandBuilder<?>> arguments = new ArrayList<OptionalCommandBuilder<?>>();
+	
+	public void add(OptionalCommandBuilder<?> argument)
+	{
+		this.arguments.add(argument);
+	}
+	
+	@Override
+	@Nullable
+	public String serialize()
+	{
+		if(this.arguments.isEmpty())
+		{
+			return null;
+		}
+		
+		return this.arguments.stream().map(builder -> builder.toCommand(builder.getLabel(), false)).collect(Collectors.joining(" "));
+	}
+	
+	@Override
+	public boolean isDefault()
+	{
+		return this.arguments.isEmpty();
+	}
+	
+	public abstract static class OptionalCommandBuilder<T> extends CommandBuilder
+	{
+		private T label;
+		
+		public OptionalCommandBuilder(T label)
+		{
+			this.label = label;
+		}
+		
+		public void setLabel(T label)
+		{
+			this.label = label;
+		}
+		
+		public T getLabel()
+		{
+			return this.label;
+		}
+		
+		@Override
+		public String toCommand(Object label, boolean preview)
+		{
+			return super.toCommand(label, preview).substring(1);
+		}
+	}
+}

src/main/java/exopandora/worldhandler/builder/argument/Arguments.java

@@ -0,0 +1,338 @@
+package exopandora.worldhandler.builder.argument;
+
+import java.util.function.Function;
+
+import com.mojang.brigadier.StringReader;
+import com.mojang.brigadier.arguments.StringArgumentType;
+import com.mojang.brigadier.exceptions.CommandSyntaxException;
+
+import exopandora.worldhandler.builder.argument.PrimitiveArgument.Linkage;
+import exopandora.worldhandler.builder.argument.PrimitiveArgument.Operation;
+import exopandora.worldhandler.builder.argument.PrimitiveArgument.Relation;
+import exopandora.worldhandler.builder.argument.PrimitiveArgument.Type;
+import exopandora.worldhandler.util.EnumHelper;
+import net.minecraft.advancements.critereon.MinMaxBounds;
+import net.minecraft.commands.arguments.EntityAnchorArgument.Anchor;
+import net.minecraft.core.Direction.Axis;
+import net.minecraft.network.chat.Component;
+import net.minecraft.network.chat.TextComponent;
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.world.Difficulty;
+import net.minecraft.world.scores.criteria.ObjectiveCriteria.RenderType;
+
+public class Arguments
+{
+	public static PrimitiveArgument<Short> shortArg()
+	{
+		return new PrimitiveArgument.Builder<Short>(string ->
+		{
+			try
+			{
+				return Short.parseShort(string);
+			}
+			catch(NumberFormatException e)
+			{
+				return null;
+			}
+		}).build();
+	}
+	
+	public static PrimitiveArgument<Byte> byteArg()
+	{
+		return new PrimitiveArgument.Builder<Byte>(string ->
+		{
+			try
+			{
+				return Byte.parseByte(string);
+			}
+			catch(NumberFormatException e)
+			{
+				return null;
+			}
+		}).build();
+	}
+	
+	public static PrimitiveArgument<Integer> intArg()
+	{
+		return new PrimitiveArgument.Builder<Integer>(string ->
+		{
+			try
+			{
+				return Integer.parseInt(string);
+			}
+			catch(NumberFormatException e)
+			{
+				return null;
+			}
+		}).build();
+	}
+	
+	public static PrimitiveArgument<Float> floatArg()
+	{
+		return new PrimitiveArgument.Builder<Float>(string ->
+		{
+			try
+			{
+				return Float.parseFloat(string);
+			}
+			catch(NumberFormatException e)
+			{
+				return null;
+			}
+		}).build();
+	}
+	
+	public static PrimitiveArgument<Double> doubleArg()
+	{
+		return new PrimitiveArgument.Builder<Double>(string ->
+		{
+			try
+			{
+				return Double.parseDouble(string);
+			}
+			catch(NumberFormatException e)
+			{
+				return null;
+			}
+		}).build();
+	}
+	
+	public static PrimitiveArgument<Long> longArg()
+	{
+		return new PrimitiveArgument.Builder<Long>(string ->
+		{
+			try
+			{
+				return Long.parseLong(string);
+			}
+			catch(NumberFormatException e)
+			{
+				return null;
+			}
+		}).build();
+	}
+	
+	public static PrimitiveArgument<Boolean> boolArg()
+	{
+		return new PrimitiveArgument.Builder<Boolean>(string ->
+		{
+			try
+			{
+				return Boolean.parseBoolean(string);
+			}
+			catch(NumberFormatException e)
+			{
+				return null;
+			}
+		}).build();
+	}
+	
+	public static PrimitiveArgument<String> string()
+	{
+		return new PrimitiveArgument.Builder<String>(Function.identity())
+				.serializer(string -> string.isBlank() ? null : StringArgumentType.escapeIfRequired(string))
+				.build();
+	}
+	
+	public static PrimitiveArgument<String> greedyString()
+	{
+		return new PrimitiveArgument.Builder<String>(string -> string == null || string.isBlank() ? null : string)
+				.serializer(string -> string.isBlank() ? null : string)
+				.defaultOverride(string -> string == null || string.isBlank())
+				.build();
+	}
+	
+	public static PrimitiveArgument<String> word()
+	{
+		return new PrimitiveArgument.Builder<String>(string -> string == null || string.isBlank() ? null : string)
+				.serializer(string -> string.isBlank() ? null : string.replaceAll("[^0-9A-Za-z_\\-.+]", "_"))
+				.defaultOverride(string -> string == null || string.isBlank())
+				.build();
+	}
+	
+	public static PrimitiveArgument<ResourceLocation> resourceLocation()
+	{
+		return new PrimitiveArgument.Builder<ResourceLocation>(string -> string.isEmpty() ? null : new ResourceLocation(string)).build();
+	}
+	
+	public static ItemArgument item()
+	{
+		return new ItemArgument();
+	}
+	
+	public static BlockStateArgument blockState()
+	{
+		return new BlockStateArgument();
+	}
+	
+	public static BlockPredicateArgument blockPredicate()
+	{
+		return new BlockPredicateArgument();
+	}
+	
+	public static TagArgument tag()
+	{
+		return new TagArgument();
+	}
+	
+	public static PrimitiveArgument<Coordinate<Integer>> intCoordinate()
+	{
+		return new PrimitiveArgument.Builder<Coordinate<Integer>>(Coordinate.Ints::parse).build();
+	}
+	
+	public static PrimitiveArgument<Coordinate<Double>> doubleCoordinate()
+	{
+		return new PrimitiveArgument.Builder<Coordinate<Double>>(Coordinate.Doubles::parse).build();
+	}
+	
+	public static RangeArgument<Integer> intRange()
+	{
+		return new RangeArgument<Integer>(string ->
+		{
+			try
+			{
+				return MinMaxBounds.Ints.fromReader(new StringReader(string));
+			}
+			catch(CommandSyntaxException e)
+			{
+				return null;
+			}
+		});
+	}
+	
+	public static RangeArgument<Double> doubleRange()
+	{
+		return new RangeArgument<Double>(string ->
+		{
+			try
+			{
+				return MinMaxBounds.Doubles.fromReader(new StringReader(string));
+			}
+			catch(CommandSyntaxException e)
+			{
+				return null;
+			}
+		});
+	}
+	
+	public static AngleArgument angle()
+	{
+		return new AngleArgument();
+	}
+	
+	public static EnchantmentArgument enchantment()
+	{
+		return new EnchantmentArgument();
+	}
+	
+	public static EntitySummonArgument entitySummon()
+	{
+		return new EntitySummonArgument();
+	}
+	
+	public static PrimitiveArgument<Gamemode> gamemode()
+	{
+		return new PrimitiveArgument.Builder<Gamemode>(string -> EnumHelper.find(string, Gamemode.values(), Gamemode::toString)).build();
+	}
+	
+	public static TimeArgument time()
+	{
+		return new TimeArgument();
+	}
+	
+	public static EffectArgument effect()
+	{
+		return new EffectArgument();
+	}
+	
+	public static PrimitiveArgument<Axis> axis()
+	{
+		return new PrimitiveArgument.Builder<Axis>(string -> EnumHelper.find(string, Axis.values(), Axis::getName))
+				.serializer(Axis::getName)
+				.build();
+	}
+	
+	public static PrimitiveArgument<Anchor> anchor()
+	{
+		return new PrimitiveArgument.Builder<Anchor>(string -> EnumHelper.find(string, Anchor.values(), anchor -> anchor.name))
+				.serializer(anchor -> anchor.name)
+				.build();
+	}
+	
+	public static PrimitiveArgument<Difficulty> difficulty()
+	{
+		return new PrimitiveArgument.Builder<Difficulty>(string -> EnumHelper.find(string, Difficulty.values(), Difficulty::getKey))
+				.serializer(Difficulty::getKey)
+				.build();
+	}
+	
+	public static PrimitiveArgument<RenderType> renderType()
+	{
+		return new PrimitiveArgument.Builder<RenderType>(string -> EnumHelper.find(string, RenderType.values(), RenderType::getId))
+				.serializer(RenderType::getId)
+				.build();
+	}
+	
+	public static PrimitiveArgument<PrimitiveArgument.Operation> operation()
+	{
+		return new PrimitiveArgument.Builder<Operation>(string -> EnumHelper.find(string, Operation.values(), Operation::toString)).build();
+	}
+	
+	public static PrimitiveArgument<Component> textComponent()
+	{
+		return new PrimitiveArgument.Builder<Component>(string ->
+		{
+			try
+			{
+				return Component.Serializer.fromJson(string);
+			}
+			catch(Exception e)
+			{
+				return new TextComponent(string);
+			}
+		}).serializer(Component.Serializer::toJson).build();
+	}
+	
+	public static PrimitiveArgument<PrimitiveArgument.Relation> relation()
+	{
+		return new PrimitiveArgument.Builder<Relation>(string -> EnumHelper.find(string, Relation.values(), Relation::toString)).build();
+	}
+	
+	public static PrimitiveArgument<PrimitiveArgument.Type> type()
+	{
+		return new PrimitiveArgument.Builder<Type>(string -> EnumHelper.find(string, Type.values(), Type::toString)).build();
+	}
+	
+	public static PrimitiveArgument<PrimitiveArgument.Linkage> linkage()
+	{
+		return new PrimitiveArgument.Builder<Linkage>(string -> EnumHelper.find(string, Linkage.values(), Linkage::toString)).build();
+	}
+	
+	public static NbtPathArgument nbtPath()
+	{
+		return new NbtPathArgument();
+	}
+	
+	public static ItemPredicateArgument itemPredicate()
+	{
+		return new ItemPredicateArgument();
+	}
+	
+	public static PrimitiveArgument<String> criteria()
+	{
+		return new PrimitiveArgument.Builder<String>(string -> string == null || string.isBlank() ? null : string)
+				.serializer(string -> string.isBlank() ? null : string.replaceAll(" ", "_"))
+				.defaultOverride(string -> string == null || string.isBlank())
+				.build();
+	}
+	
+	public static TargetArgument target()
+	{
+		return new TargetArgument();
+	}
+	
+	public static BlockPosArgument blockPos()
+	{
+		return new BlockPosArgument();
+	}
+}

src/main/java/exopandora/worldhandler/builder/argument/BlockPosArgument.java

@@ -0,0 +1,95 @@
+package exopandora.worldhandler.builder.argument;
+
+import javax.annotation.Nullable;
+
+import net.minecraft.core.BlockPos;
+
+public class BlockPosArgument implements IArgument
+{
+	private Coordinate<?> x;
+	private Coordinate<?> y;
+	private Coordinate<?> z;
+	
+	protected BlockPosArgument()
+	{
+		super();
+	}
+	
+	public void setX(@Nullable Coordinate<?> x)
+	{
+		this.x = x;
+	}
+	
+	public void setY(@Nullable Coordinate<?> y)
+	{
+		this.y = y;
+	}
+	
+	public void setZ(@Nullable Coordinate<?> z)
+	{
+		this.z = z;
+	}
+	
+	public void set(@Nullable BlockPos pos)
+	{
+		if(pos != null)
+		{
+			this.x = new Coordinate.Ints(pos.getX());
+			this.y = new Coordinate.Ints(pos.getY());
+			this.z = new Coordinate.Ints(pos.getZ());
+		}
+		else
+		{
+			this.x = null;
+			this.y = null;
+			this.z = null;
+		}
+	}
+	
+	@Nullable
+	public Coordinate<?> getX()
+	{
+		return this.x;
+	}
+	
+	@Nullable
+	public Coordinate<?> getY()
+	{
+		return this.y;
+	}
+	
+	@Nullable
+	public Coordinate<?> getZ()
+	{
+		return this.z;
+	}
+	
+	@Nullable
+	public BlockPos getBlockPos()
+	{
+		if(this.x == null && this.y == null && this.z == null)
+		{
+			return null;
+		}
+		
+		return new BlockPos(this.x.getValue().doubleValue(), this.y.getValue().doubleValue(), this.z.getValue().doubleValue());
+	}
+	
+	@Override
+	@Nullable
+	public String serialize()
+	{
+		if(this.x == null || this.y == null || this.z == null)
+		{
+			return null;
+		}
+		
+		return this.x.serialize() + " " + this.y.serialize() + " " + this.z.serialize();
+	}
+	
+	@Override
+	public boolean isDefault()
+	{
+		return this.x == null && this.y == null && this.z == null;
+	}
+}

src/main/java/exopandora/worldhandler/builder/argument/BlockPredicateArgument.java

@@ -0,0 +1,218 @@
+package exopandora.worldhandler.builder.argument;
+
+import java.util.AbstractMap.SimpleEntry;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.stream.Collectors;
+
+import javax.annotation.Nullable;
+
+import com.mojang.brigadier.StringReader;
+import com.mojang.brigadier.exceptions.CommandSyntaxException;
+
+import net.minecraft.commands.arguments.blocks.BlockStateParser;
+import net.minecraft.nbt.CompoundTag;
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.world.level.block.state.BlockState;
+import net.minecraft.world.level.block.state.properties.Property;
+
+public class BlockPredicateArgument extends TagArgument
+{
+	private ResourceLocation resource;
+	private boolean isTag;
+	private Map<String, String> properties;
+	
+	protected BlockPredicateArgument()
+	{
+		super();
+	}
+	
+	public void set(@Nullable ResourceLocation resource)
+	{
+		this.resource = resource;
+	}
+	
+	public void set(@Nullable BlockState state)
+	{
+		if(state != null)
+		{
+			this.resource = state.getBlock().getRegistryName();
+			this.properties = propertiesToString(state.getValues());
+		}
+		else
+		{
+			this.resource = null;
+			this.properties = null;
+		}
+		
+		this.isTag = false;
+	}
+	
+	public void set(@Nullable Map<Property<?>, Comparable<?>> properties)
+	{
+		if(properties != null)
+		{
+			this.properties = propertiesToString(properties);
+		}
+		else
+		{
+			this.properties = null;
+		}
+	}
+	
+	public void set(Property<?> key, @Nullable Comparable<?> value)
+	{
+		String name = key.getName();
+		
+		if(value == null)
+		{
+			if(this.properties != null && this.properties.containsKey(name))
+			{
+				this.properties.remove(name);
+			}
+		}
+		else
+		{
+			if(this.properties == null)
+			{
+				this.properties = new HashMap<String, String>();
+			}
+			
+			this.properties.put(name, getName(key, value));
+		}
+	}
+	
+	public void set(@Nullable BlockState state, CompoundTag tag)
+	{
+		this.set(state);
+		this.setTag(tag);
+		this.isTag = false;
+	}
+	
+	public void set(boolean isTag)
+	{
+		this.isTag = isTag;
+	}
+	
+	@Nullable
+	public ResourceLocation getResourceLocation()
+	{
+		return this.resource;
+	}
+	
+	public boolean isTag()
+	{
+		return this.isTag;
+	}
+	
+	public Map<String, String> getProperties()
+	{
+		if(this.properties == null)
+		{
+			return Collections.emptyMap();
+		}
+		
+		return Collections.unmodifiableMap(this.properties);
+	}
+	
+	@Override
+	public void deserialize(@Nullable String predicate)
+	{
+		if(predicate == null)
+		{
+			this.reset();
+		}
+		else
+		{
+			try
+			{
+				BlockStateParser parser = new BlockStateParser(new StringReader(predicate), true).parse(true);
+				
+				if(parser.getState() != null)
+				{
+					this.resource = parser.getState().getBlock().getRegistryName();
+					this.isTag = false;
+					this.properties = propertiesToString(parser.getProperties());
+					this.setTag(parser.getNbt());
+				}
+				else
+				{
+					this.resource = parser.getTag();
+					this.isTag = true;
+					this.properties = parser.getVagueProperties();
+					this.setTag(parser.getNbt());
+				}
+			}
+			catch(CommandSyntaxException e)
+			{
+				this.reset();
+			}
+		}
+	}
+    
+	private void reset()
+	{
+		this.resource = null;
+		this.properties = null;
+		this.isTag = false;
+		this.setTag(null);
+	}
+	
+	@Override
+	@Nullable
+	public String serialize()
+	{
+		if(this.resource == null || this.resource.getPath().isEmpty())
+		{
+			return null;
+		}
+		
+		StringBuilder builder = new StringBuilder();
+		
+		if(this.isTag)
+		{
+			builder.append('#');
+		}
+		
+		builder.append(this.resource.toString());
+		
+		if(this.properties != null && !this.properties.isEmpty())
+		{
+			builder.append('[');
+			builder.append(this.properties.entrySet().stream().map(entry -> entry.getKey() + "=" + entry.getValue()).collect(Collectors.joining(",")));
+			builder.append(']');
+		}
+		
+		String nbt = super.serialize();
+		
+		if(nbt != null)
+		{
+			builder.append(nbt);
+		}
+		
+		return builder.toString();
+	}
+	
+	@Override
+	public boolean isDefault()
+	{
+		return super.isDefault() && this.resource == null && (this.properties == null || this.properties.isEmpty());
+	}
+	
+	private static Map<String, String> propertiesToString(Map<Property<?>, Comparable<?>> properties)
+	{
+		return properties.entrySet().stream().map(entry ->
+		{
+	        Property<?> property = entry.getKey();
+	        return new SimpleEntry<String, String>(property.getName(), getName(property, entry.getValue()));
+		}).collect(Collectors.toMap(Entry::getKey, Entry::getValue));
+	}
+	
+    @SuppressWarnings("unchecked")
+	private static <T extends Comparable<T>> String getName(Property<T> key, Comparable<?> value)
+    {
+       return key.getName((T) value);
+    }
+}

src/main/java/exopandora/worldhandler/builder/argument/BlockStateArgument.java

@@ -0,0 +1,120 @@
+package exopandora.worldhandler.builder.argument;
+
+import javax.annotation.Nullable;
+
+import com.mojang.brigadier.StringReader;
+import com.mojang.brigadier.exceptions.CommandSyntaxException;
+
+import net.minecraft.commands.arguments.blocks.BlockStateParser;
+import net.minecraft.nbt.CompoundTag;
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.world.level.block.Block;
+import net.minecraft.world.level.block.state.BlockState;
+import net.minecraftforge.registries.ForgeRegistries;
+
+public class BlockStateArgument extends TagArgument
+{
+	private BlockState state;
+	
+	protected BlockStateArgument()
+	{
+		super();
+	}
+	
+	public void set(@Nullable ResourceLocation block)
+	{
+		if(block != null)
+		{
+			this.set(ForgeRegistries.BLOCKS.getValue(block));
+		}
+		else
+		{
+			this.state = null;
+		}
+	}
+	
+	public void set(@Nullable Block block)
+	{
+		if(block != null)
+		{
+			this.state = block.defaultBlockState();
+		}
+		else
+		{
+			this.state = null;
+		}
+	}
+	
+	public void set(@Nullable BlockState state)
+	{
+		this.state = state;
+	}
+	
+	public void set(@Nullable BlockState state, CompoundTag tag)
+	{
+		this.set(state);
+		this.setTag(tag);
+	}
+	
+	@Nullable
+	public BlockState getBlockState()
+	{
+		return this.state;
+	}
+	
+	@Override
+	public void deserialize(@Nullable String block)
+	{
+		if(block == null)
+		{
+			this.reset();
+		}
+		else
+		{
+			try
+			{
+				BlockStateParser parser = new BlockStateParser(new StringReader(block), false).parse(true);
+				this.state = parser.getState();
+				this.setTag(parser.getNbt());
+			}
+			catch(CommandSyntaxException e)
+			{
+				this.reset();
+			}
+		}
+	}
+	
+	private void reset()
+	{
+		this.state = null;
+		this.setTag(null);
+	}
+	
+	@Override
+	@Nullable
+	public String serialize()
+	{
+		if(this.state == null)
+		{
+			return null;
+		}
+		
+		StringBuilder builder = new StringBuilder(this.state.toString());
+		String block = this.state.getBlock().toString();
+		builder.replace(0, block.length(), this.state.getBlock().getRegistryName().toString());
+		String nbt = super.serialize();
+		
+		if(nbt != null && this.state.hasBlockEntity())
+		{
+			builder.append(nbt);
+		}
+		
+		return builder.toString();
+	}
+	
+	@Override
+	public boolean isDefault()
+	{
+		return super.isDefault() && this.state == null;
+	}
+}

src/main/java/exopandora/worldhandler/builder/argument/CommandArgument.java

@@ -0,0 +1,52 @@
+package exopandora.worldhandler.builder.argument;
+
+import javax.annotation.Nullable;
+
+import exopandora.worldhandler.builder.ICommandBuilder;
+
+public class CommandArgument implements IArgument
+{
+	private ICommandBuilder command;
+	private Object label;
+	
+	public void set(ICommandBuilder command, Object label)
+	{
+		this.command = command;
+		this.label = label;
+	}
+	
+	public void set(Object label)
+	{
+		this.label = label;
+	}
+	
+	@Nullable
+	public ICommandBuilder getCommand()
+	{
+		return this.command;
+	}
+	
+	@Nullable
+	public Object getLabel()
+	{
+		return this.label;
+	}
+	
+	@Override
+	@Nullable
+	public String serialize()
+	{
+		if(this.command == null)
+		{
+			return null;
+		}
+		
+		return this.command.toCommand(this.label, false).substring(1);
+	}
+	
+	@Override
+	public boolean isDefault()
+	{
+		return false;
+	}
+}

src/main/java/exopandora/worldhandler/builder/argument/Coordinate.java

@@ -0,0 +1,191 @@
+package exopandora.worldhandler.builder.argument;
+
+import javax.annotation.Nullable;
+
+import com.mojang.brigadier.StringReader;
+import com.mojang.brigadier.exceptions.CommandSyntaxException;
+
+import net.minecraft.commands.arguments.coordinates.LocalCoordinates;
+import net.minecraft.commands.arguments.coordinates.WorldCoordinate;
+
+public abstract class Coordinate<T extends Number>
+{
+	protected T value;
+	protected Type type;
+	
+	protected Coordinate(T value)
+	{
+		this(value, Type.ABSOLUTE);
+	}
+	
+	protected Coordinate(T value, Type type)
+	{
+		this.value = value;
+		this.type = type;
+	}
+	
+	public void setValue(T value)
+	{
+		this.value = value;
+	}
+	
+	public T getValue()
+	{
+		return this.value;
+	}
+	
+	public void setType(Type type)
+	{
+		this.type = type;
+	}
+	
+	public Type getType()
+	{
+		return this.type;
+	}
+	
+	@Nullable
+	public String serialize()
+	{
+		if(this.value == null)
+		{
+			return null;
+		}
+		
+		if(this.zero().equals(this.value) && !Type.ABSOLUTE.equals(this.type))
+		{
+			return this.type.getPrefix();
+		}
+		
+		return this.type.getPrefix() + this.value.toString();
+	}
+	
+	public abstract T zero();
+	
+	public static class Ints extends Coordinate<Integer>
+	{
+		public static final Ints ZERO = new Ints();
+		
+		public Ints()
+		{
+			super(0);
+		}
+		
+		public Ints(Integer value)
+		{
+			super(value);
+		}
+		
+		public Ints(Type type)
+		{
+			super(0, type);
+		}
+		
+		public Ints(Integer value, Type type)
+		{
+			super(value, type);
+		}
+		
+		@Override
+		public Integer zero()
+		{
+			return 0;
+		}
+		
+		@Nullable
+		public static Ints parse(String string)
+		{
+			try
+			{
+				StringReader reader = new StringReader(string);
+				
+				if(reader.canRead() && reader.peek() == '^')
+				{
+					return new Coordinate.Ints((int) LocalCoordinates.readDouble(reader, 0), Coordinate.Type.LOCAL);
+				}
+				else
+				{
+					WorldCoordinate wc = WorldCoordinate.parseInt(reader);
+					return new Coordinate.Ints((int) wc.get(0), wc.isRelative() ? Coordinate.Type.RELATIVE : Coordinate.Type.ABSOLUTE);
+				}
+			}
+			catch(CommandSyntaxException e)
+			{
+				return null;
+			}
+		}
+	}
+	
+	public static class Doubles extends Coordinate<Double>
+	{
+		public static final Doubles ZERO = new Doubles();
+		
+		public Doubles()
+		{
+			super(0.0D);
+		}
+		
+		public Doubles(Double value)
+		{
+			super(value);
+		}
+		
+		public Doubles(Type type)
+		{
+			super(0.0D, type);
+		}
+		
+		public Doubles(Double value, Type type)
+		{
+			super(value, type);
+		}
+		
+		@Override
+		public Double zero()
+		{
+			return 0.0D;
+		}
+		
+		@Nullable
+		public static Doubles parse(String string)
+		{
+			try
+			{
+				StringReader reader = new StringReader(string);
+				
+				if(reader.canRead() && reader.peek() == '^')
+				{
+					return new Coordinate.Doubles(LocalCoordinates.readDouble(reader, 0), Coordinate.Type.LOCAL);
+				}
+				else
+				{
+					WorldCoordinate wc = WorldCoordinate.parseInt(reader);
+					return new Coordinate.Doubles(wc.get(0), wc.isRelative() ? Coordinate.Type.RELATIVE : Coordinate.Type.ABSOLUTE);
+				}
+			}
+			catch(CommandSyntaxException e)
+			{
+				return null;
+			}
+		}
+	}
+	
+	public static enum Type
+	{
+		ABSOLUTE(""),
+		RELATIVE("~"),
+		LOCAL("^");
+		
+		private final String prefix;
+		
+		private Type(String prefix)
+		{
+			this.prefix = prefix;
+		}
+		
+		public String getPrefix()
+		{
+			return this.prefix;
+		}
+	}
+}

src/main/java/exopandora/worldhandler/builder/argument/DimensionArgument.java

@@ -0,0 +1,71 @@
+package exopandora.worldhandler.builder.argument;
+
+import javax.annotation.Nullable;
+
+import exopandora.worldhandler.util.ResourceHelper;
+import net.minecraft.core.Registry;
+import net.minecraft.resources.ResourceKey;
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.world.level.Level;
+
+public class DimensionArgument implements IDeserializableArgument
+{
+	private ResourceKey<Level> dimension;
+	
+	protected DimensionArgument()
+	{
+		super();
+	}
+	
+	public void set(@Nullable ResourceKey<Level> dimension)
+	{
+		this.dimension = dimension;
+	}
+	
+	public void set(@Nullable ResourceLocation dimension)
+	{
+		if(dimension != null)
+		{
+			this.set(ResourceKey.create(Registry.DIMENSION_REGISTRY, dimension));
+		}
+		else
+		{
+			this.dimension = null;
+		}
+	}
+	
+	@Nullable
+	public ResourceKey<Level> getDimension()
+	{
+		return this.dimension;
+	}
+	
+	@Override
+	public void deserialize(@Nullable String string)
+	{
+		this.set(ResourceHelper.stringToResourceLocation(string));
+	}
+	
+	@Override
+	@Nullable
+	public String serialize()
+	{
+		if(this.dimension == null)
+		{
+			return null;
+		}
+		
+		return this.dimension.getRegistryName().toString();
+	}
+	
+	@Override
+	public boolean isDefault()
+	{
+		return false;
+	}
+	
+	public static DimensionArgument dimension()
+	{
+		return new DimensionArgument();
+	}
+}

src/main/java/exopandora/worldhandler/builder/argument/EffectArgument.java

@@ -0,0 +1,65 @@
+package exopandora.worldhandler.builder.argument;
+
+import javax.annotation.Nullable;
+
+import exopandora.worldhandler.util.ResourceHelper;
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.world.effect.MobEffect;
+import net.minecraftforge.registries.ForgeRegistries;
+
+public class EffectArgument implements IDeserializableArgument
+{
+	private MobEffect effect;
+	
+	protected EffectArgument()
+	{
+		super();
+	}
+	
+	public void set(@Nullable MobEffect effect)
+	{
+		this.effect = effect;
+	}
+	
+	public void set(@Nullable ResourceLocation effect)
+	{
+		if(effect != null)
+		{
+			this.set(ForgeRegistries.MOB_EFFECTS.getValue(effect));
+		}
+		else
+		{
+			this.effect = null;
+		}
+	}
+	
+	@Nullable
+	public MobEffect getEffect()
+	{
+		return this.effect;
+	}
+	
+	@Override
+	public void deserialize(@Nullable String string)
+	{
+		this.set(ResourceHelper.stringToResourceLocation(string));
+	}
+	
+	@Override
+	@Nullable
+	public String serialize()
+	{
+		if(this.effect == null)
+		{
+			return null;
+		}
+		
+		return this.effect.getRegistryName().toString();
+	}
+	
+	@Override
+	public boolean isDefault()
+	{
+		return this.effect == null;
+	}
+}

src/main/java/exopandora/worldhandler/builder/argument/EnchantmentArgument.java

@@ -0,0 +1,65 @@
+package exopandora.worldhandler.builder.argument;
+
+import javax.annotation.Nullable;
+
+import exopandora.worldhandler.util.ResourceHelper;
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.world.item.enchantment.Enchantment;
+import net.minecraftforge.registries.ForgeRegistries;
+
+public class EnchantmentArgument implements IDeserializableArgument
+{
+	private Enchantment enchantment;
+	
+	protected EnchantmentArgument()
+	{
+		super();
+	}
+	
+	public void set(@Nullable Enchantment enchantment)
+	{
+		this.enchantment = enchantment;
+	}
+	
+	public void set(@Nullable ResourceLocation enchantment)
+	{
+		if(enchantment != null)
+		{
+			this.set(ForgeRegistries.ENCHANTMENTS.getValue(enchantment));
+		}
+		else
+		{
+			this.enchantment = null;
+		}
+	}
+	
+	@Nullable
+	public Enchantment getEnchantment()
+	{
+		return this.enchantment;
+	}
+	
+	@Override
+	public void deserialize(@Nullable String string)
+	{
+		this.set(ResourceHelper.stringToResourceLocation(string));
+	}
+	
+	@Override
+	@Nullable
+	public String serialize()
+	{
+		if(this.enchantment == null)
+		{
+			return null;
+		}
+		
+		return this.enchantment.getRegistryName().toString();
+	}
+	
+	@Override
+	public boolean isDefault()
+	{
+		return false;
+	}
+}

src/main/java/exopandora/worldhandler/builder/argument/EntitySummonArgument.java

@@ -0,0 +1,134 @@
+package exopandora.worldhandler.builder.argument;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Map.Entry;
+
+import javax.annotation.Nullable;
+
+import exopandora.worldhandler.util.ResourceHelper;
+import net.minecraft.Util;
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.world.entity.EntityType;
+import net.minecraftforge.registries.ForgeRegistries;
+
+public class EntitySummonArgument implements IDeserializableArgument
+{
+	private static final Map<String, ResourceLocation> ALIASES = Util.make(new HashMap<String, ResourceLocation>(), map ->
+	{
+		map.put("RedCow", EntityType.MOOSHROOM.getRegistryName());
+		map.put("ChickenJockey", EntityType.CHICKEN.getRegistryName());
+		map.put("Pigman", EntityType.PIGLIN.getRegistryName());
+		map.put("ZombiePig", EntityType.PIGLIN.getRegistryName());
+		map.put("ZombiePigman", EntityType.PIGLIN.getRegistryName());
+		map.put("Dog", EntityType.WOLF.getRegistryName());
+		map.put("Dragon", EntityType.ENDER_DRAGON.getRegistryName());
+		map.put("SnowMan", EntityType.SNOW_GOLEM.getRegistryName());
+		map.put("LavaCube", EntityType.MAGMA_CUBE.getRegistryName());
+		map.put("MagmaSlime", EntityType.MAGMA_CUBE.getRegistryName());
+		map.put("LavaSlime", EntityType.MAGMA_CUBE.getRegistryName());
+		map.put("SpiderJockey", EntityType.SPIDER.getRegistryName());
+		map.put("VillagerGolem", EntityType.IRON_GOLEM.getRegistryName());
+		map.put("Ozelot", EntityType.OCELOT.getRegistryName());
+		map.put("Kitty", EntityType.CAT.getRegistryName());
+		map.put("Kitten", EntityType.CAT.getRegistryName());
+		map.put("TESTIFICATE", EntityType.VILLAGER.getRegistryName());
+		map.put("Octopus", EntityType.SQUID.getRegistryName());
+		map.put("GlowingOctopus", EntityType.SQUID.getRegistryName());
+		map.put("Exwife", EntityType.GHAST.getRegistryName());
+		map.put("CommandMinecart", EntityType.COMMAND_BLOCK_MINECART.getRegistryName());
+		map.put("Wizard", EntityType.EVOKER.getRegistryName());
+		map.put("Johnny", EntityType.VINDICATOR.getRegistryName());
+		map.put("BabyZombie", EntityType.ZOMBIE.getRegistryName());
+		
+		ForgeRegistries.PROFESSIONS.getKeys().stream().forEach(profession -> map.put(profession.getPath(), EntityType.VILLAGER.getRegistryName()));
+	});
+	
+	private EntityType<?> entity;
+	
+	protected EntitySummonArgument()
+	{
+		super();
+	}
+	
+	public void set(@Nullable EntityType<?> entity)
+	{
+		if(entity != null && entity.canSummon())
+		{
+			this.entity = entity;
+		}
+		else
+		{
+			this.entity = null;
+		}
+	}
+	
+	public void set(@Nullable ResourceLocation entity)
+	{
+		if(entity != null)
+		{
+			EntityType<?> type = ForgeRegistries.ENTITIES.getValue(entity);
+			
+			if(!ForgeRegistries.ENTITIES.getDefaultKey().equals(type.getRegistryName()) || type.getRegistryName().equals(entity))
+			{
+				this.set(type);
+			}
+			else
+			{
+				this.entity = null;
+			}
+		}
+		else
+		{
+			this.entity = null;
+		}
+	}
+	
+	@Nullable
+	public EntityType<?> getEntity()
+	{
+		return this.entity;
+	}
+	
+	@Override
+	public void deserialize(@Nullable String entity)
+	{
+		if(entity == null)
+		{
+			this.entity = null;
+		}
+		else
+		{
+			String stripped = entity.replace(" ", "");
+			
+			for(Entry<String, ResourceLocation> entry : ALIASES.entrySet())
+			{
+				if(entry.getKey().equalsIgnoreCase(stripped))
+				{
+					this.set(entry.getValue());
+					return;
+				}
+			}
+			
+			this.set(ResourceHelper.stringToResourceLocation(entity));
+		}
+	}
+	
+	@Override
+	@Nullable
+	public String serialize()
+	{
+		if(this.entity == null)
+		{
+			return null;
+		}
+		
+		return this.entity.getRegistryName().toString();
+	}
+	
+	@Override
+	public boolean isDefault()
+	{
+		return this.entity == null;
+	}
+}

src/main/java/exopandora/worldhandler/builder/argument/Gamemode.java

@@ -0,0 +1,15 @@
+package exopandora.worldhandler.builder.argument;
+
+public enum Gamemode
+{
+	SURVIVAL,
+	CREATIVE,
+	ADVENTURE,
+	SPECTATOR;
+	
+	@Override
+	public String toString()
+	{
+		return this.name().toLowerCase();
+	}
+}

src/main/java/exopandora/worldhandler/builder/argument/IArgument.java

@@ -0,0 +1,16 @@
+package exopandora.worldhandler.builder.argument;
+
+import javax.annotation.Nullable;
+
+public interface IArgument
+{
+	@Nullable
+	String serialize();
+	
+	boolean isDefault();
+	
+	default boolean hasValue()
+	{
+		return this.serialize() != null;
+	}
+}

src/main/java/exopandora/worldhandler/builder/argument/IDeserializableArgument.java

@@ -0,0 +1,8 @@
+package exopandora.worldhandler.builder.argument;
+
+import javax.annotation.Nullable;
+
+public interface IDeserializableArgument extends IArgument
+{
+	void deserialize(@Nullable String string);
+}

src/main/java/exopandora/worldhandler/builder/argument/ItemArgument.java

@@ -0,0 +1,92 @@
+package exopandora.worldhandler.builder.argument;
+
+import javax.annotation.Nullable;
+
+import com.mojang.brigadier.StringReader;
+import com.mojang.brigadier.exceptions.CommandSyntaxException;
+
+import net.minecraft.commands.arguments.item.ItemParser;
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.world.item.Item;
+import net.minecraftforge.registries.ForgeRegistries;
+
+public class ItemArgument extends TagArgument
+{
+	private Item item;
+	
+	protected ItemArgument()
+	{
+		super();
+	}
+	
+	public void set(@Nullable Item item)
+	{
+		this.item = item;
+	}
+	
+	public void set(@Nullable ResourceLocation item)
+	{
+		if(item != null)
+		{
+			this.set(ForgeRegistries.ITEMS.getValue(item));
+		}
+		else
+		{
+			this.item = null;
+		}
+	}
+	
+	public Item getItem()
+	{
+		return this.item;
+	}
+	
+	@Override
+	public void deserialize(@Nullable String item)
+	{
+		if(item != null)
+		{
+			try
+			{
+				ItemParser parser = new ItemParser(new StringReader(item), false).parse();
+				this.item = parser.getItem();
+				this.setTag(parser.getNbt());
+			}
+			catch(CommandSyntaxException e)
+			{
+				this.item = null;
+				this.setTag(null);
+			}
+		}
+		else
+		{
+			this.item = null;
+			this.setTag(null);
+		}
+	}
+	
+	@Override
+	@Nullable
+	public String serialize()
+	{
+		if(this.item == null)
+		{
+			return null;
+		}
+		
+		String tag = super.serialize();
+		
+		if(tag != null)
+		{
+			return this.item.getRegistryName().toString() + tag;
+		}
+		
+		return this.item.getRegistryName().toString();
+	}
+	
+	@Override
+	public boolean isDefault()
+	{
+		return super.isDefault() && this.item == null;
+	}
+}

src/main/java/exopandora/worldhandler/builder/argument/ItemPredicateArgument.java

@@ -0,0 +1,125 @@
+package exopandora.worldhandler.builder.argument;
+
+import javax.annotation.Nullable;
+
+import com.mojang.brigadier.StringReader;
+import com.mojang.brigadier.exceptions.CommandSyntaxException;
+
+import net.minecraft.commands.arguments.item.ItemParser;
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.world.item.Item;
+
+public class ItemPredicateArgument extends TagArgument
+{
+	private ResourceLocation resource;
+	private boolean isTag;
+	
+	protected ItemPredicateArgument()
+	{
+		super();
+	}
+	
+	public void set(@Nullable ResourceLocation resource)
+	{
+		this.resource = resource;
+	}
+	
+	public void set(@Nullable Item item)
+	{
+		if(item != null)
+		{
+			this.resource = item.getRegistryName();
+		}
+		else
+		{
+			this.resource = null;
+		}
+		
+		this.isTag = false;
+	}
+	
+	@Nullable
+	public ResourceLocation getResourceLocation()
+	{
+		return this.resource;
+	}
+	
+	public boolean isTag()
+	{
+		return this.isTag;
+	}
+	
+	@Override
+	public void deserialize(@Nullable String predicate)
+	{
+		if(predicate == null)
+		{
+			this.reset();
+		}
+		else
+		{
+			try
+			{
+				ItemParser parser = new ItemParser(new StringReader(predicate), true).parse();
+				
+				if(parser.getItem() != null)
+				{
+					this.resource = parser.getItem().getRegistryName();
+					this.setTag(parser.getNbt());
+					this.isTag = false;
+				}
+				else
+				{
+					this.resource = parser.getTag();
+					this.setTag(parser.getNbt());
+					this.isTag = true;
+				}
+			}
+			catch(CommandSyntaxException e)
+			{
+				this.reset();
+			}
+		}
+	}
+    
+	private void reset()
+	{
+		this.resource = null;
+		this.setTag(null);
+		this.isTag = false;
+	}
+	
+	@Override
+	@Nullable
+	public String serialize()
+	{
+		if(this.resource == null || this.resource.getPath().isEmpty())
+		{
+			return null;
+		}
+		
+		StringBuilder builder = new StringBuilder();
+		
+		if(this.isTag)
+		{
+			builder.append('#');
+		}
+		
+		builder.append(this.resource.toString());
+		
+		String nbt = super.serialize();
+		
+		if(nbt != null)
+		{
+			builder.append(nbt);
+		}
+		
+		return builder.toString();
+	}
+	
+	@Override
+	public boolean isDefault()
+	{
+		return super.isDefault() && this.resource == null;
+	}
+}

src/main/java/exopandora/worldhandler/builder/argument/NbtPathArgument.java

@@ -0,0 +1,62 @@
+package exopandora.worldhandler.builder.argument;
+
+import javax.annotation.Nullable;
+
+import com.mojang.brigadier.StringReader;
+import com.mojang.brigadier.exceptions.CommandSyntaxException;
+
+import net.minecraft.commands.arguments.NbtPathArgument.NbtPath;
+
+public class NbtPathArgument implements IDeserializableArgument
+{
+	private NbtPath path;
+	
+	protected NbtPathArgument()
+	{
+		super();
+	}
+	
+	@Override
+	public void deserialize(@Nullable String string)
+	{
+		if(string != null)
+		{
+			try
+			{
+				this.path = net.minecraft.commands.arguments.NbtPathArgument.nbtPath().parse(new StringReader(string));
+			}
+			catch(CommandSyntaxException e)
+			{
+				this.path = null;
+			}
+		}
+		else
+		{
+			this.path = null;
+		}
+	}
+	
+	@Nullable
+	public NbtPath getPath()
+	{
+		return this.path;
+	}
+	
+	@Override
+	@Nullable
+	public String serialize()
+	{
+		if(this.path == null)
+		{
+			return null;
+		}
+		
+		return this.path.toString();
+	}
+	
+	@Override
+	public boolean isDefault()
+	{
+		return this.path == null;
+	}
+}

src/main/java/exopandora/worldhandler/builder/argument/PrimitiveArgument.java

@@ -0,0 +1,178 @@
+package exopandora.worldhandler.builder.argument;
+
+import java.util.function.Function;
+
+import javax.annotation.Nullable;
+
+public class PrimitiveArgument<T> implements IDeserializableArgument
+{
+	private T value;
+	private final Function<T, Boolean> defaultOverride;
+	private final Function<String, T> parser;
+	private final Function<T, String> serializer;
+	
+	protected PrimitiveArgument(Function<T, Boolean> defaultOverride, Function<String, T> parser, Function<T, String> serializer)
+	{
+		this.defaultOverride = defaultOverride;
+		this.parser = parser;
+		this.serializer = serializer;
+	}
+	
+	public void set(@Nullable T value)
+	{
+		this.value = value;
+	}
+	
+	@Nullable
+	public T get()
+	{
+		return this.value;
+	}
+	
+	@Override
+	public void deserialize(@Nullable String string)
+	{
+		if(string == null)
+		{
+			this.value = null;
+		}
+		else
+		{
+			this.value = this.parser.apply(string);
+		}
+	}
+	
+	@Override
+	@Nullable
+	public String serialize()
+	{
+		if(this.value == null)
+		{
+			return null;
+		}
+		else if(this.serializer != null)
+		{
+			return this.serializer.apply(this.value);
+		}
+		
+		return this.value.toString();
+	}
+	
+	@Override
+	public boolean isDefault()
+	{
+		if(this.defaultOverride != null)
+		{
+			return this.defaultOverride.apply(this.value);
+		}
+		
+		return this.value == null;
+	}
+	
+	public static class Builder<T>
+	{
+		private Function<T, Boolean> defaultOverride;
+		private Function<String, T> deserializer;
+		private Function<T, String> serializer;
+		
+		public Builder(Function<String, T> deserializer)
+		{
+			this.deserializer = deserializer;
+		}
+		
+		public Builder<T> defaultOverride(Function<T, Boolean> defaultOverride)
+		{
+			this.defaultOverride = defaultOverride;
+			return this;
+		}
+		
+		public Builder<T> serializer(Function<T, String> serializer)
+		{
+			this.serializer = serializer;
+			return this;
+		}
+		
+		public PrimitiveArgument<T> build()
+		{
+			return new PrimitiveArgument<T>(this.defaultOverride, this.deserializer, this.serializer);
+		}
+	}
+	
+	public static enum Operation
+	{
+		SET("="),
+		ADD("+="),
+		SUB("-="),
+		MUL("*="),
+		DIV("/="),
+		MOD("%="),
+		LESS_THAN("<"),
+		GREATER_THAN(">");
+		
+		private final String operator;
+		
+		private Operation(String operator)
+		{
+			this.operator = operator;
+		}
+		
+		@Override
+		public String toString()
+		{
+			return this.operator;
+		}
+	}
+	
+	public static enum Relation
+	{
+		LT("<"),
+		LE("<="),
+		EQ("="),
+		GE(">="),
+		GT(">");
+		
+		private final String operator;
+		
+		private Relation(String operator)
+		{
+			this.operator = operator;
+		}
+		
+		@Override
+		public String toString()
+		{
+			return this.operator;
+		}
+	}
+	
+	public static enum Type
+	{
+		BYTE,
+		DOUBLE,
+		FLOAT,
+		INT,
+		LONG,
+		SHORT;
+		
+		@Override
+		public String toString()
+		{
+			return this.name().toLowerCase();
+		}
+	}
+	
+	public static enum Linkage
+	{
+		APPEND,
+		INSERT,
+		MERGE,
+		PREPEND,
+		SET;
+		
+		@Override
+		public String toString()
+		{
+			return this.name().toLowerCase();
+		}
+	}
+}

src/main/java/exopandora/worldhandler/builder/argument/RangeArgument.java

@@ -0,0 +1,90 @@
+package exopandora.worldhandler.builder.argument;
+
+import java.util.function.Function;
+
+import javax.annotation.Nullable;
+
+import exopandora.worldhandler.util.Util;
+import net.minecraft.advancements.critereon.MinMaxBounds;
+
+public class RangeArgument<T extends Number> implements IDeserializableArgument
+{
+	private final Function<String, MinMaxBounds<T>> parser;
+	private T min;
+	private T max;
+	
+	protected RangeArgument(Function<String, MinMaxBounds<T>> parser)
+	{
+		this.parser = parser;
+	}
+	
+	public void setExact(@Nullable T value)
+	{
+		this.min = value;
+		this.max = value;
+	}
+	
+	public void setRange(@Nullable T min, @Nullable T max)
+	{
+		this.min = min;
+		this.max = max;
+	}
+	
+	public void setMin(@Nullable T min)
+	{
+		this.min = min;
+	}
+	
+	public void setMax(@Nullable T max)
+	{
+		this.max = max;
+	}
+	
+	public T getMin()
+	{
+		return this.min;
+	}
+	
+	public T getMax()
+	{
+		return this.max;
+	}
+	
+	@Override
+	public void deserialize(@Nullable String string)
+	{
+		if(string != null)
+		{
+			MinMaxBounds<T> bounds = this.parser.apply(string);
+			
+			if(bounds != null)
+			{
+				this.min = bounds.getMin();
+				this.max = bounds.getMax();
+			}
+			else
+			{
+				this.min = null;
+				this.max = null;
+			}
+		}
+		else
+		{
+			this.min = null;
+			this.max = null;
+		}
+	}
+	
+	@Override
+	@Nullable
+	public String serialize()
+	{
+		return Util.serializeBounds(this.min, this.max);
+	}
+	
+	@Override
+	public boolean isDefault()
+	{
+		return this.min == null && this.max == null;
+	}
+}

src/main/java/exopandora/worldhandler/builder/argument/TagArgument.java

@@ -0,0 +1,112 @@
+package exopandora.worldhandler.builder.argument;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.annotation.Nullable;
+
+import com.mojang.brigadier.exceptions.CommandSyntaxException;
+
+import exopandora.worldhandler.builder.argument.tag.ITagProvider;
+import net.minecraft.nbt.CompoundTag;
+import net.minecraft.nbt.Tag;
+import net.minecraft.nbt.TagParser;
+
+public class TagArgument implements IDeserializableArgument
+{
+	private List<ITagProvider> providers;
+	private CompoundTag tag;
+	
+	protected TagArgument()
+	{
+		super();
+	}
+	
+	public void addTagProvider(ITagProvider provider)
+	{
+		if(this.providers == null)
+		{
+			this.providers = new ArrayList<ITagProvider>();
+		}
+		
+		this.providers.add(provider);
+	}
+	
+	public void setTag(@Nullable CompoundTag tag)
+	{
+		this.tag = tag;
+	}
+	
+	@Nullable
+	public CompoundTag getTag()
+	{
+		return this.tag;
+	}
+	
+	@Override
+	public void deserialize(@Nullable String string)
+	{
+		if(string != null)
+		{
+			try
+	        {
+				this.tag = TagParser.parseTag(string);
+	        }
+	        catch(CommandSyntaxException e)
+	        {
+	    		this.tag = null;
+	        }
+		}
+		else
+		{
+    		this.tag = null;
+		}
+	}
+	
+	@Override
+	@Nullable
+	public String serialize()
+	{
+		if(this.tag == null && (this.providers == null || this.providers.isEmpty()))
+		{
+			return null;
+		}
+		
+		CompoundTag compound = this.tag == null ? new CompoundTag() : this.tag.copy();
+		
+		if(this.providers != null)
+		{
+			for(ITagProvider provider : this.providers)
+			{
+				Tag tag = provider.value();
+				
+				if(tag != null)
+				{
+					String key = provider.key();
+					
+					if(key != null)
+					{
+						compound.put(key, tag);
+					}
+					else if(tag instanceof CompoundTag)
+					{
+						compound.merge((CompoundTag) tag);
+					}
+				}
+			}
+		}
+		
+		if(compound.isEmpty())
+		{
+			return null;
+		}
+		
+		return compound.toString();
+	}
+	
+	@Override
+	public boolean isDefault()
+	{
+		return this.tag == null && (this.providers == null || this.providers.isEmpty());
+	}
+}

src/main/java/exopandora/worldhandler/builder/argument/TargetArgument.java

@@ -0,0 +1,652 @@
+package exopandora.worldhandler.builder.argument;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.function.Function;
+import java.util.stream.Collectors;
+
+import javax.annotation.Nullable;
+
+import exopandora.worldhandler.builder.argument.tag.ITagProvider;
+import exopandora.worldhandler.util.Util;
+import net.minecraft.advancements.critereon.MinMaxBounds;
+import net.minecraft.advancements.critereon.WrappedMinMaxBounds;
+import net.minecraft.resources.ResourceLocation;
+
+public class TargetArgument implements IArgument
+{
+	@Nullable
+	private String target; // player name or entity UUID
+	@Nullable
+	private String selectorType;
+	private NegatableCriterion<String> name = new NegatableCriterion<String>();
+	private MinMaxBounds.Doubles distance = MinMaxBounds.Doubles.ANY;
+	@Nullable
+	private Double x;
+	@Nullable
+	private Double y;
+	@Nullable
+	private Double z;
+	@Nullable
+	private Double deltaX;
+	@Nullable
+	private Double deltaY;
+	@Nullable
+	private Double deltaZ;
+	private WrappedMinMaxBounds rotX = WrappedMinMaxBounds.ANY;
+	private WrappedMinMaxBounds rotY = WrappedMinMaxBounds.ANY;
+	@Nullable
+	private Double level;
+	@Nullable
+	private Integer limit;
+	private NegatableCriterion<TagArgument> nbt = new NegatableCriterion<TagArgument>();
+	private NegatableCriterion<ResourceLocation> type = new NegatableCriterion<ResourceLocation>();
+	private Map<ResourceLocation, Boolean> advancements;
+	private List<NegatableCriterion<ResourceLocation>> predicates;
+	private NegatableCriterion<String> team = new NegatableCriterion<String>();
+	private Map<String, MinMaxBounds.Ints> scores;
+	@Nullable
+	private NegatableCriterion<Gamemode> gamemode = new NegatableCriterion<Gamemode>();
+	@Nullable
+	private Sort sort;
+	
+	protected TargetArgument()
+	{
+		super();
+	}
+	
+	public void setTarget(@Nullable String target)
+	{
+		this.target = target;
+	}
+	
+	public void setSelectorType(@Nullable String type)
+	{
+		this.selectorType = type;
+	}
+	
+	public void setName(@Nullable String name)
+	{
+		this.name.setCriterion(name);
+	}
+	
+	public void setNameNegated(boolean negated)
+	{
+		this.name.setNegated(negated);
+	}
+	
+	public void setName(@Nullable String name, boolean negated)
+	{
+		this.setName(name);
+		this.setNameNegated(negated);
+	}
+	
+	public void setDistance(@Nullable Double distance)
+	{
+		this.distance = new MinMaxBounds.Doubles(distance, distance);
+	}
+	
+	public void setDistance(@Nullable Double min, @Nullable Double max)
+	{
+		this.distance = new MinMaxBounds.Doubles(min, max);
+	}
+	
+	public void setDistanceMin(@Nullable Double min)
+	{
+		this.distance = new MinMaxBounds.Doubles(min, this.distance.getMax());
+	}
+	
+	public void setDistanceMax(@Nullable Double max)
+	{
+		this.distance = new MinMaxBounds.Doubles(this.distance.getMin(), max);
+	}
+	
+	public void setX(@Nullable Double x)
+	{
+		this.x = x;
+	}
+	
+	public void setY(@Nullable Double y)
+	{
+		this.y = y;
+	}
+	
+	public void setZ(@Nullable Double z)
+	{
+		this.z = z;
+	}
+	
+	public void setDeltaX(@Nullable Double deltaX)
+	{
+		this.deltaX = deltaX;
+	}
+	
+	public void setDeltaY(@Nullable Double deltaY)
+	{
+		this.deltaY = deltaY;
+	}
+	
+	public void setDeltaZ(@Nullable Double deltaZ)
+	{
+		this.deltaZ = deltaZ;
+	}
+	
+	public void setRotationX(@Nullable Float rotX)
+	{
+		this.rotX = WrappedMinMaxBounds.exactly(rotX);
+	}
+	
+	public void setRotationX(@Nullable Float min, @Nullable Float max)
+	{
+		this.rotX = WrappedMinMaxBounds.between(min, max);
+	}
+	
+	public void setRotationXMin(@Nullable Float min)
+	{
+		this.rotX = WrappedMinMaxBounds.between(min, this.rotX.getMax());
+	}
+	
+	public void setRotationXMax(@Nullable Float max)
+	{
+		this.rotX = WrappedMinMaxBounds.between(this.rotX.getMin(), max);
+	}
+	
+	public void setRotationY(@Nullable Float rotY)
+	{
+		this.rotY = WrappedMinMaxBounds.exactly(rotY);
+	}
+	
+	public void setRotationY(@Nullable Float min, @Nullable Float max)
+	{
+		this.rotY = WrappedMinMaxBounds.between(min, max);
+	}
+	
+	public void setRotationYMin(@Nullable Float min)
+	{
+		this.rotY = WrappedMinMaxBounds.between(min, this.rotY.getMax());
+	}
+	
+	public void setRotationYMax(@Nullable Float max)
+	{
+		this.rotY = WrappedMinMaxBounds.between(this.rotY.getMin(), max);
+	}
+	
+	public void setLevel(@Nullable Double level)
+	{
+		this.level = level;
+	}
+	
+	public void setLimit(@Nullable Integer limit)
+	{
+		this.limit = limit;
+	}
+	
+	public TargetArgument addTag(ITagProvider provider)
+	{
+		if(this.nbt.getCriterion() == null)
+		{
+			this.nbt.setCriterion(new TagArgument());
+		}
+		
+		this.nbt.getCriterion().addTagProvider(provider);
+		return this;
+	}
+	
+	public void setType(@Nullable ResourceLocation type)
+	{
+		this.type.setCriterion(type);
+	}
+	
+	public void setTypeNegated(boolean negated)
+	{
+		this.type.setNegated(negated);
+	}
+	
+	public void setType(@Nullable ResourceLocation type, boolean negated)
+	{
+		this.setType(type);
+		this.setTypeNegated(negated);
+	}
+	
+	public void setAdvancement(ResourceLocation advancement, boolean unlocked)
+	{
+		if(this.advancements == null)
+		{
+			this.advancements = new HashMap<ResourceLocation, Boolean>();
+		}
+		
+		this.advancements.put(advancement, unlocked);
+	}
+	
+	public void setPredicate(ResourceLocation predicate)
+	{
+		this.setPredicate(predicate, false);
+	}
+	
+	public void setPredicate(ResourceLocation predicate, boolean negated)
+	{
+		if(this.predicates == null)
+		{
+			this.predicates = new ArrayList<NegatableCriterion<ResourceLocation>>();
+		}
+		
+		NegatableCriterion<ResourceLocation> entry = this.findPredicate(predicate);
+		
+		if(entry == null)
+		{
+			this.predicates.add(new NegatableCriterion<ResourceLocation>(predicate, negated));
+		}
+		else if(entry.isNegated() != negated)
+		{
+			entry.setNegated(negated);
+		}
+	}
+	
+	private NegatableCriterion<ResourceLocation> findPredicate(ResourceLocation predicate)
+	{
+		for(NegatableCriterion<ResourceLocation> entry : this.predicates)
+		{
+			if(predicate.equals(entry.getCriterion()))
+			{
+				return entry;
+			}
+		}
+		
+		return null;
+	}
+	
+	public void setTeam(@Nullable String team)
+	{
+		this.team.setCriterion(team);
+	}
+	
+	public void setTeamNegated(boolean negated)
+	{
+		this.team.setNegated(negated);
+	}
+	
+	public void setTeam(@Nullable String team, boolean negated)
+	{
+		this.setTeam(team);
+		this.setTeamNegated(negated);
+	}
+	
+	public void setScore(String score, @Nullable Integer value)
+	{
+		if(this.scores == null)
+		{
+			this.scores = new HashMap<String, MinMaxBounds.Ints>();
+		}
+		
+		this.scores.put(score, MinMaxBounds.Ints.exactly(value));
+	}
+	
+	public void setScore(String score, @Nullable Integer min, @Nullable Integer max)
+	{
+		if(this.scores == null)
+		{
+			this.scores = new HashMap<String, MinMaxBounds.Ints>();
+		}
+		
+		this.scores.put(score, MinMaxBounds.Ints.between(min, max));
+	}
+	
+	public void setScoreMin(String score, @Nullable Integer min)
+	{
+		if(this.scores == null)
+		{
+			this.scores = new HashMap<String, MinMaxBounds.Ints>();
+		}
+		
+		this.scores.put(score, MinMaxBounds.Ints.between(min, this.scores.getOrDefault(score, MinMaxBounds.Ints.ANY).getMax()));
+	}
+	
+	public void setScoreMax(String score, @Nullable Integer max)
+	{
+		if(this.scores == null)
+		{
+			this.scores = new HashMap<String, MinMaxBounds.Ints>();
+		}
+		
+		this.scores.put(score, MinMaxBounds.Ints.between(this.scores.getOrDefault(score, MinMaxBounds.Ints.ANY).getMin(), max));
+	}
+	
+	public void setGamemode(@Nullable Gamemode gamemode)
+	{
+		this.gamemode.setCriterion(gamemode);
+	}
+	
+	public void setGamemodeNegated(boolean negated)
+	{
+		this.gamemode.setNegated(negated);
+	}
+	
+	public void setGamemode(@Nullable Gamemode gamemode, boolean negated)
+	{
+		this.setGamemode(gamemode);
+		this.setGamemodeNegated(negated);
+	}
+	
+	public void setSort(@Nullable Sort sort)
+	{
+		this.sort = sort;
+	}
+	
+	@Nullable
+	public String getTarget()
+	{
+		return this.target;
+	}
+	
+	@Nullable
+	public String getSelectorType()
+	{
+		return this.selectorType;
+	}
+	
+	public NegatableCriterion<String> getName()
+	{
+		return this.name;
+	}
+	
+	public MinMaxBounds.Doubles getDistance()
+	{
+		return this.distance;
+	}
+	
+	@Nullable
+	public Double getX()
+	{
+		return this.x;
+	}
+	
+	@Nullable
+	public Double getY()
+	{
+		return this.y;
+	}
+	
+	@Nullable
+	public Double getZ()
+	{
+		return this.z;
+	}
+	
+	@Nullable
+	public Double getDeltaX()
+	{
+		return this.deltaX;
+	}
+	
+	@Nullable
+	public Double getDeltaY()
+	{
+		return this.deltaY;
+	}
+	
+	@Nullable
+	public Double getDeltaZ()
+	{
+		return this.deltaZ;
+	}
+	
+	public WrappedMinMaxBounds getRotX()
+	{
+		return this.rotX;
+	}
+	
+	public WrappedMinMaxBounds getRotY()
+	{
+		return this.rotY;
+	}
+	
+	@Nullable
+	public Double getLevel()
+	{
+		return this.level;
+	}
+	
+	@Nullable
+	public Integer getLimit()
+	{
+		return this.limit;
+	}
+	
+	public NegatableCriterion<TagArgument> getNbt()
+	{
+		return this.nbt;
+	}
+	
+	public NegatableCriterion<ResourceLocation> getType()
+	{
+		return this.type;
+	}
+	
+	@Nullable
+	public Map<ResourceLocation, Boolean> getAdvancements()
+	{
+		return this.advancements;
+	}
+	
+	@Nullable
+	public List<NegatableCriterion<ResourceLocation>> getPredicates()
+	{
+		return this.predicates;
+	}
+	
+	public NegatableCriterion<String> getTeam()
+	{
+		return this.team;
+	}
+	
+	@Nullable
+	public Map<String, MinMaxBounds.Ints> getScores()
+	{
+		return this.scores;
+	}
+	
+	public NegatableCriterion<Gamemode> getGamemode()
+	{
+		return this.gamemode;
+	}
+	
+	@Nullable
+	public Sort getSort()
+	{
+		return this.sort;
+	}
+	
+	@Nullable
+	@Override
+	public String serialize()
+	{
+		if(this.selectorType == null)
+		{
+			if(this.target != null && !this.target.isBlank())
+			{
+				return this.target;
+			}
+			
+			return null;
+		}
+		
+		List<String> criteria = new ArrayList<String>();
+		
+		this.append("name", this.name, criteria, TargetArgument::serializeNegatableCriterion);
+		this.append("distance", this.distance, criteria, TargetArgument::serializeMinMaxBounds);
+		this.append("x", this.x, criteria);
+		this.append("y", this.y, criteria);
+		this.append("z", this.z, criteria);
+		this.append("dx", this.deltaX, criteria);
+		this.append("dy", this.deltaY, criteria);
+		this.append("dz", this.deltaZ, criteria);
+		this.append("x_rotation", this.rotX, criteria, TargetArgument::serializeWrappedMinMaxBounds);
+		this.append("y_rotation", this.rotY, criteria, TargetArgument::serializeWrappedMinMaxBounds);
+		this.append("level", this.level, criteria);
+		this.append("limit", this.limit, criteria);
+		this.append("nbt", this.nbt, criteria, nbt -> TargetArgument.serializeNegatableCriterion(nbt, TagArgument::serialize));
+		this.append("type", this.type, criteria, TargetArgument::serializeNegatableCriterion);
+		this.appendMap("advancements", this.advancements, criteria, ResourceLocation::toString, b -> b.toString());
+		this.appendList("predicate", this.predicates, criteria, TargetArgument::serializeNegatableCriterion);
+		this.append("team", this.team, criteria, TargetArgument::serializeNegatableCriterion);
+		this.appendMap("scores", this.scores, criteria, String::toString, TargetArgument::serializeMinMaxBounds);
+		this.append("gamemode", this.gamemode, criteria, TargetArgument::serializeNegatableCriterion);
+		this.append("sort", this.sort, criteria);
+		
+		if(criteria.isEmpty())
+		{
+			return "@" + this.selectorType;
+		}
+		
+		return criteria.stream().collect(Collectors.joining(",", "@" + this.selectorType + "[", "]"));
+	}
+	
+	private <T> void append(String name, T criterion, List<String> criteria)
+	{
+		this.append(name, criterion, criteria, null);
+	}
+	
+	private <T> void append(String name, T criterion, List<String> criteria, Function<T, String> serializer)
+	{
+		if(criterion != null)
+		{
+			String serialized = serializer == null ? criterion.toString() : serializer.apply(criterion);
+			
+			if(serialized != null)
+			{
+				criteria.add(name + "=" + serialized);
+			}
+		}
+	}
+	
+	private <T> void appendList(String name, List<T> criterion, List<String> criteria, Function<T, String> serializer)
+	{
+		if(criterion != null)
+		{
+			for(T entry : criterion)
+			{
+				criteria.add(name + "=" + serializer.apply(entry));
+			}
+		}
+	}
+	
+	private <T, K> void appendMap(String name, Map<T, K> criterion, List<String> criteria, Function<T, String> keySerializer, Function<K, String> valueSerializer)
+	{
+		if(criterion != null && !criterion.isEmpty())
+		{
+			List<String> entries = new ArrayList<String>();
+			
+			for(Entry<T, K> entry : criterion.entrySet())
+			{
+				entries.add(keySerializer.apply(entry.getKey()) + "=" + valueSerializer.apply(entry.getValue()));
+			}
+			
+			criteria.add(name + "=" + entries.stream().collect(Collectors.joining(",", "{", "}")));
+		}
+	}
+	
+	@Nullable
+	private static String serializeMinMaxBounds(MinMaxBounds<?> bounds)
+	{
+		return Util.serializeBounds(bounds.getMin(), bounds.getMax());
+	}
+	
+	@Nullable
+	private static String serializeWrappedMinMaxBounds(WrappedMinMaxBounds bounds)
+	{
+		return Util.serializeBounds(bounds.getMin(), bounds.getMax());
+	}
+	
+	@Nullable
+	private static <T> String serializeNegatableCriterion(NegatableCriterion<T> criterion)
+	{
+		return serializeNegatableCriterion(criterion, null);
+	}
+	
+	@Nullable
+	private static <T> String serializeNegatableCriterion(NegatableCriterion<T> criterion, Function<T, String> serializer)
+	{
+		if(criterion.getCriterion() != null)
+		{
+			String serialized = serializer == null ? criterion.getCriterion().toString() : serializer.apply(criterion.getCriterion());
+			
+			if(criterion.isNegated())
+			{
+				serialized = '!' + serialized;
+			}
+			
+			return serialized;
+		}
+		
+		return null;
+	}
+	
+	public static class NegatableCriterion<T>
+	{
+		private T criterion;
+		private boolean negated;
+		
+		public NegatableCriterion()
+		{
+			super();
+		}
+		
+		public NegatableCriterion(T criterion, boolean negated)
+		{
+			this.criterion = criterion;
+			this.negated = negated;
+		}
+		
+		public T getCriterion()
+		{
+			return this.criterion;
+		}
+		
+		public void setCriterion(T criterion)
+		{
+			this.criterion = criterion;
+		}
+		
+		public boolean isNegated()
+		{
+			return this.negated;
+		}
+		
+		public void setNegated(boolean negated)
+		{
+			this.negated = negated;
+		}
+	}
+	
+	public static class SelectorTypes
+	{
+		public static final String NEAREST_PLAYER = "p";
+		public static final String RANDOM_PLAYER = "r";
+		public static final String ALL_PLAYERS = "a";
+		public static final String ALL_ENTITIES = "e";
+		public static final String SENDER = "s";
+	}
+	
+	public static enum Sort
+	{
+		NEAREST,
+		FURTHEST,
+		RANDOM,
+		ARBITRARY;
+		
+		@Override
+		public String toString()
+		{
+			return this.name().toLowerCase();
+		}
+	}
+	
+	@Override
+	public boolean isDefault()
+	{
+		return false;
+	}
+}

src/main/java/exopandora/worldhandler/builder/argument/TimeArgument.java

@@ -0,0 +1,124 @@
+package exopandora.worldhandler.builder.argument;
+
+import javax.annotation.Nullable;
+
+import com.mojang.brigadier.StringReader;
+import com.mojang.brigadier.exceptions.CommandSyntaxException;
+
+public class TimeArgument implements IDeserializableArgument
+{
+	private Float time;
+	private Unit unit;
+	
+	protected TimeArgument()
+	{
+		super();
+	}
+	
+	public void set(@Nullable Float time)
+	{
+		this.time = time;
+	}
+	
+	public void set(@Nullable Unit unit)
+	{
+		this.unit = unit;
+	}
+	
+	public void set(@Nullable Float time, @Nullable Unit unit)
+	{
+		this.time = time;
+		this.unit = unit;
+	}
+	
+	@Override
+	public void deserialize(@Nullable String string)
+	{
+		if(string == null)
+		{
+			this.reset();
+		}
+		else
+		{
+	        try
+			{
+				StringReader reader = new StringReader(string);
+				float time = reader.readFloat();
+				String unit = reader.readUnquotedString();
+				this.time = time;
+				
+				if(unit.isEmpty())
+				{
+					this.unit = null;
+				}
+			}
+			catch(CommandSyntaxException e)
+			{
+				this.reset();
+			}
+		}
+	}
+	
+	private void reset()
+	{
+		this.time = 0F;
+		this.unit = null;
+	}
+	
+	@Nullable
+	public Float getTime()
+	{
+		return this.time;
+	}
+	
+	@Nullable
+	public Unit getUnit()
+	{
+		return this.unit;
+	}
+	
+	@Override
+	@Nullable
+	public String serialize()
+	{
+		if(this.time == null)
+		{
+			return null;
+		}
+		
+		StringBuilder builder = new StringBuilder();
+		builder.append(this.time);
+		
+		if(this.unit != null)
+		{
+			builder.append(this.unit.getSuffix());
+		}
+		
+		return builder.toString();
+	}
+	
+	@Override
+	public boolean isDefault()
+	{
+		return this.time == null;
+	}
+	
+	public static enum Unit
+	{
+		TICKS("t"),
+		SECONDS("s"),
+		DAYS("d");
+		
+		private final String suffix;
+		
+		private Unit(String suffix)
+		{
+			this.suffix = suffix;
+		}
+		
+		public String getSuffix()
+		{
+			return this.suffix;
+		}
+	}
+}

src/main/java/exopandora/worldhandler/builder/argument/tag/AbstractAttributeTag.java

@@ -0,0 +1,45 @@
+package exopandora.worldhandler.builder.argument.tag;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+import net.minecraft.client.resources.language.I18n;
+import net.minecraft.world.entity.ai.attributes.Attribute;
+import net.minecraftforge.registries.ForgeRegistries;
+
+public abstract class AbstractAttributeTag implements ITagProvider
+{	
+	public static final List<Attribute> ATTRIBUTES = ForgeRegistries.ATTRIBUTES.getValues().stream()
+			.filter(attribute -> !attribute.getDescriptionId().equals(I18n.get(attribute.getDescriptionId())))
+			.collect(Collectors.toList());
+	
+	protected final Map<Attribute, Double> attributes = new HashMap<Attribute, Double>();
+	
+	public void set(Attribute attribute, double value)
+	{
+		this.attributes.put(attribute, value);
+	}
+	
+	public double get(Attribute value)
+	{
+		if(this.attributes.containsKey(value))
+		{
+			return this.attributes.get(value);
+		}
+		
+		return 0;
+	}
+	
+	public void remove(Attribute attribute)
+	{
+		this.attributes.remove(attribute);
+	}
+	
+	public Set<Attribute> getAttributes()
+	{
+		return this.attributes.keySet();
+	}
+}

src/main/java/exopandora/worldhandler/builder/argument/tag/AbstractEffectTag.java

@@ -0,0 +1,77 @@
+package exopandora.worldhandler.builder.argument.tag;
+
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.Set;
+
+import javax.annotation.Nullable;
+
+import net.minecraft.nbt.CompoundTag;
+import net.minecraft.nbt.ListTag;
+import net.minecraft.nbt.Tag;
+import net.minecraft.world.effect.MobEffect;
+
+public abstract class AbstractEffectTag implements ITagProvider 
+{
+	private final Map<MobEffect, EffectInstance> effects = new HashMap<MobEffect, EffectInstance>();
+	
+	@Nullable
+	@Override
+	public Tag value()
+	{
+		ListTag list = new ListTag();
+		
+		for(Entry<MobEffect, EffectInstance> entry : this.effects.entrySet())
+		{
+			EffectInstance instance = entry.getValue();
+			
+			if(instance.getAmplifier() > 0)
+			{
+				CompoundTag compound = new CompoundTag();
+				int ticks = instance.toTicks();
+				
+				compound.putByte("Id", (byte) MobEffect.getId(entry.getKey()));
+				compound.putByte("Amplifier", (byte) (instance.getAmplifier() - 1));
+				compound.putInt("Duration", ticks > 0 ? ticks : 1000000);
+				compound.putBoolean("Ambient", instance.isAmbient());
+				compound.putBoolean("ShowParticles", instance.doShowParticles());
+				
+				list.add(compound);
+			}
+		}
+		
+		if(list.isEmpty())
+		{
+			return null;
+		}
+		
+		return list;
+	}
+	
+	public EffectInstance getOrCreate(MobEffect effect)
+	{
+		return this.effects.computeIfAbsent(effect, key -> new EffectInstance());
+	}
+	
+	public Set<MobEffect> getMobEffects()
+	{
+		return this.effects.keySet();
+	}
+	
+	public void remove(MobEffect potion)
+	{
+		this.effects.remove(potion);
+	}
+	
+	public Map<MobEffect, EffectInstance> getEffects()
+	{
+		return Collections.unmodifiableMap(this.effects);
+	}
+	
+	public void clear()
+	{
+		this.effects.clear();
+	}
+}

src/main/java/exopandora/worldhandler/builder/argument/tag/ActiveEffectsTag.java

@@ -0,0 +1,10 @@
+package exopandora.worldhandler.builder.argument.tag;
+
+public class ActiveEffectsTag extends AbstractEffectTag
+{
+	@Override
+	public String key()
+	{
+		return "ActiveEffects";
+	}
+}

src/main/java/exopandora/worldhandler/builder/argument/tag/AttributeModifiersTag.java

@@ -0,0 +1,50 @@
+package exopandora.worldhandler.builder.argument.tag;
+
+import java.util.Map.Entry;
+import java.util.UUID;
+
+import javax.annotation.Nullable;
+
+import net.minecraft.nbt.CompoundTag;
+import net.minecraft.nbt.ListTag;
+import net.minecraft.nbt.Tag;
+import net.minecraft.world.entity.ai.attributes.Attribute;
+
+public class AttributeModifiersTag extends AbstractAttributeTag
+{
+	@Override
+	@Nullable
+	public Tag value()
+	{
+		ListTag attributes = new ListTag();
+		
+		for(Entry<Attribute, Double> entry : this.attributes.entrySet())
+		{
+			if(entry.getValue() != 0)
+			{
+				CompoundTag attribute = new CompoundTag();
+				String id = entry.getKey().getRegistryName().toString();
+				
+				attribute.putString("AttributeName", id);
+				attribute.putDouble("Amount", entry.getValue() / 100);
+				attribute.putInt("Operation", 1); // 0 = additive, 1 = percentage
+				attribute.putUUID("UUID", UUID.nameUUIDFromBytes(id.getBytes()));
+				
+				attributes.add(attribute);
+			}
+		}
+		
+		if(attributes.isEmpty())
+		{
+			return null;
+		}
+		
+		return attributes;
+	}
+	
+	@Override
+	public String key()
+	{
+		return "AttributeModifiers";
+	}
+}

src/main/java/exopandora/worldhandler/builder/argument/tag/AttributesTag.java

@@ -0,0 +1,47 @@
+package exopandora.worldhandler.builder.argument.tag;
+
+import java.util.Map.Entry;
+
+import javax.annotation.Nullable;
+
+import net.minecraft.nbt.CompoundTag;
+import net.minecraft.nbt.ListTag;
+import net.minecraft.nbt.Tag;
+import net.minecraft.world.entity.ai.attributes.Attribute;
+
+public class AttributesTag extends AbstractAttributeTag
+{
+	@Override
+	@Nullable
+	public Tag value()
+	{
+		ListTag attributes = new ListTag();
+		
+		for(Entry<Attribute, Double> entry : this.attributes.entrySet())
+		{
+			if(entry.getValue() != 0)
+			{
+				CompoundTag attribute = new CompoundTag();
+				String id = entry.getKey().getRegistryName().toString();
+				
+				attribute.putString("Name", id);
+				attribute.putDouble("Base", entry.getValue() / 100);
+				
+				attributes.add(attribute);
+			}
+		}
+		
+		if(attributes.isEmpty())
+		{
+			return null;
+		}
+		
+		return attributes;
+	}
+	
+	@Override
+	public String key()
+	{
+		return "Attributes";
+	}
+}

src/main/java/exopandora/worldhandler/builder/argument/tag/CustomPotionEffectsTag.java

@@ -0,0 +1,10 @@
+package exopandora.worldhandler.builder.argument.tag;
+
+public class CustomPotionEffectsTag extends AbstractEffectTag
+{
+	@Override
+	public String key()
+	{
+		return "CustomPotionEffects";
+	}
+}

src/main/java/exopandora/worldhandler/builder/argument/tag/DisplayTag.java

@@ -0,0 +1,93 @@
+package exopandora.worldhandler.builder.argument.tag;
+
+import exopandora.worldhandler.util.MutableTextComponent;
+import net.minecraft.nbt.CompoundTag;
+import net.minecraft.nbt.ListTag;
+import net.minecraft.nbt.StringTag;
+import net.minecraft.nbt.Tag;
+import net.minecraft.network.chat.Component;
+
+public class DisplayTag implements ITagProvider 
+{
+	private MutableTextComponent name = new MutableTextComponent();
+	private Component[] lore = new Component[2];
+	
+	@Override
+	public Tag value()
+	{
+		CompoundTag display = new CompoundTag();
+		
+		if(this.name.getText() != null && !this.name.getText().isEmpty())
+		{
+			display.putString("Name", Component.Serializer.toJson(this.name));
+		}
+		
+		ListTag lore = new ListTag();
+		
+		for(int x = 0; x < this.lore.length; x++)
+		{
+			if(this.lore[x] != null && !this.lore[x].getString().isEmpty())
+			{
+				lore.add(StringTag.valueOf(Component.Serializer.toJson(this.lore[x])));
+			}
+		}
+		
+		if(!lore.isEmpty())
+		{
+			display.put("Lore", lore);
+		}
+		
+		if(!display.isEmpty())
+		{
+			return display;
+		}
+		
+		return null;
+	}
+	
+	public void setName(MutableTextComponent name)
+	{
+		this.name = name;
+	}
+	
+	public MutableTextComponent getName()
+	{
+		return this.name;
+	}
+	
+	public void setLore(Component[] lore)
+	{
+		this.lore = lore;
+	}
+	
+	public Component[] getLore()
+	{
+		return this.lore;
+	}
+	
+	public void setLore1(Component lore)
+	{
+		this.lore[0] = lore;
+	}
+	
+	public Component getLore1()
+	{
+		return this.lore[0];
+	}
+	
+	public void setLore2(Component lore)
+	{
+		this.lore[1] = lore;
+	}
+	
+	public Component getLore2()
+	{
+		return this.lore[1];
+	}
+	
+	@Override
+	public String key()
+	{
+		return "display";
+	}
+}

src/main/java/exopandora/worldhandler/builder/argument/tag/EnchantmentsTag.java

@@ -0,0 +1,74 @@
+package exopandora.worldhandler.builder.argument.tag;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.Set;
+
+import javax.annotation.Nullable;
+
+import net.minecraft.nbt.CompoundTag;
+import net.minecraft.nbt.ListTag;
+import net.minecraft.nbt.Tag;
+import net.minecraft.world.item.enchantment.Enchantment;
+import net.minecraftforge.registries.ForgeRegistries;
+
+public class EnchantmentsTag implements ITagProvider
+{
+	private final Map<Enchantment, Short> enchantments = new HashMap<Enchantment, Short>();
+	
+	@Override
+	@Nullable
+	public Tag value()
+	{
+		ListTag enchantments = new ListTag();
+		
+		for(Entry<Enchantment, Short> entry : this.enchantments.entrySet())
+		{
+			if(entry.getValue() > 0)
+			{
+				CompoundTag enchantment = new CompoundTag();
+				
+				enchantment.putString("id", ForgeRegistries.ENCHANTMENTS.getKey(entry.getKey()).toString());
+				enchantment.putShort("lvl", entry.getValue());
+				
+				enchantments.add(enchantment);
+			}
+		}
+		
+		if(enchantments.isEmpty())
+		{
+			return null;
+		}
+		
+		return enchantments;
+	}
+	
+	public void set(Enchantment enchantment, short level)
+	{
+		if(level == 0)
+		{
+			this.enchantments.remove(enchantment);
+		}
+		else
+		{
+			this.enchantments.put(enchantment, level);
+		}
+	}
+	
+	public short get(Enchantment enchantment)
+	{
+		return this.enchantments.get(enchantment);
+	}
+	
+	public Set<Enchantment> getEnchantments()
+	{
+		return this.enchantments.keySet();
+	}
+	
+	@Override
+	public String key()
+	{
+		return "Enchantments";
+	}
+}

src/main/java/exopandora/worldhandler/builder/argument/tag/EntityTag.java

@@ -0,0 +1,433 @@
+package exopandora.worldhandler.builder.argument.tag;
+
+import java.lang.reflect.Array;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Set;
+
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+
+import com.mojang.brigadier.exceptions.CommandSyntaxException;
+
+import exopandora.worldhandler.util.MutableTextComponent;
+import exopandora.worldhandler.util.NBTHelper;
+import net.minecraft.nbt.ByteTag;
+import net.minecraft.nbt.CompoundTag;
+import net.minecraft.nbt.IntTag;
+import net.minecraft.nbt.StringTag;
+import net.minecraft.nbt.Tag;
+import net.minecraft.nbt.TagParser;
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.world.effect.MobEffect;
+import net.minecraft.world.entity.ai.attributes.Attribute;
+import net.minecraft.world.item.Item;
+import net.minecraft.world.item.Items;
+import net.minecraft.world.level.block.state.BlockState;
+
+public class EntityTag implements ITagProvider
+{
+	private ResourceLocation id;
+	private String command;
+	private Integer time;
+	private double[] motion = {0.0, 0.0, 0.0};
+	private boolean isBaby;
+	private BlockState blockState;
+	private AttributesTag attribute = new AttributesTag();
+	private MutableTextComponent customName = new MutableTextComponent();
+	private List<EntityTag> passengers = new ArrayList<EntityTag>();
+	private Item[] armorItems = {Items.AIR, Items.AIR, Items.AIR, Items.AIR};
+	private Item[] handItems = {Items.AIR, Items.AIR};
+	private ActiveEffectsTag potion = new ActiveEffectsTag();
+	private CompoundTag nbt;
+	
+	public EntityTag()
+	{
+		super();
+	}
+	
+	public EntityTag(ResourceLocation id)
+	{
+		this.id = id;
+	}
+	
+	public void setId(ResourceLocation id)
+	{
+		this.id = id;
+	}
+	
+	public ResourceLocation getId()
+	{
+		return this.id;
+	}
+	
+	public void setAttribute(Attribute attribute, double ammount)
+	{
+		this.attribute.set(attribute, ammount);
+	}
+	
+	public void removeAttribute(Attribute attribute)
+	{
+		this.attribute.remove(attribute);
+	}
+	
+	public double getAttribute(Attribute attribute)
+	{
+		return this.attribute.get(attribute);
+	}
+	
+	public Set<Attribute> getAttributes()
+	{
+		return this.attribute.getAttributes();
+	}
+	
+	public void setCustomName(String name)
+	{
+		this.customName.setText(name);
+	}
+	
+	@Nullable
+	public MutableTextComponent getCustomName()
+	{
+		return this.customName;
+	}
+	
+	public void setPassenger(int index, EntityTag entity)
+	{
+		if(index < 0 || index >= this.passengers.size())
+		{
+			this.passengers.add(entity);
+		}
+		else
+		{
+			this.passengers.set(index, entity);
+		}
+	}
+	
+	public void setPassenger(int index, ResourceLocation id)
+	{
+		this.setPassenger(index, new EntityTag(id));
+	}
+	
+	public void addPassenger(EntityTag entity)
+	{
+		this.passengers.add(entity);
+	}
+	
+	public void addPassenger(int index, EntityTag entity)
+	{
+		this.passengers.add(index, entity);
+	}
+	
+	public void removePassenger(int index)
+	{
+		this.passengers.remove(index);
+	}
+	
+	public int getPassengerCount()
+	{
+		return this.passengers.size();
+	}
+	
+	public List<EntityTag> getPassengers()
+	{
+		return this.passengers;
+	}
+	
+	@Nullable
+	public EntityTag getPassenger(int index)
+	{
+		if(index >= 0 && index <= this.passengers.size())
+		{
+			return this.passengers.get(index);
+		}
+		
+		return null;
+	}
+	
+	public boolean hasPassengers()
+	{
+		for(EntityTag entity : this.passengers)
+		{
+			if(entity.value() != null)
+			{
+				return true;
+			}
+		}
+		
+		return false;
+	}
+	
+	public void setArmorItem(int index, Item location)
+	{
+		if(EntityTag.isArrayIndexValid(this.armorItems, index) && location != null)
+		{
+			this.armorItems[index] = location;
+		}
+	}
+	
+	public void setArmorItems(Item[] armor)
+	{
+		this.armorItems = armor;
+	}
+	
+	@Nonnull
+	public Item getArmorItem(int slot)
+	{
+		if(EntityTag.isArrayIndexValid(this.armorItems, slot))
+		{
+			return this.armorItems[slot];
+		}
+		
+		return Items.AIR;
+	}
+	
+	public void setHandItem(int index, Item location)
+	{
+		if(EntityTag.isArrayIndexValid(this.handItems, index) && location != null)
+		{
+			this.handItems[index] = location;
+		}
+	}
+	
+	@Nonnull
+	public Item getHandItem(int slot)
+	{
+		if(EntityTag.isArrayIndexValid(this.handItems, slot))
+		{
+			return this.handItems[slot];
+		}
+		
+		return Items.AIR;
+	}
+	
+	public double[] getMotion()
+	{
+		return this.motion;
+	}
+	
+	public void setMotion(double x, double y, double z)
+	{
+		this.setMotionX(x);
+		this.setMotionY(y);
+		this.setMotionZ(z);
+	}
+	
+	public double getMotionX()
+	{
+		return this.motion[0];
+	}
+	
+	public double getMotionY()
+	{
+		return this.motion[1];
+	}
+	
+	public double getMotionZ()
+	{
+		return this.motion[2];
+	}
+	
+	public void setMotionX(double x)
+	{
+		this.motion[0] = x;
+	}
+	
+	public void setMotionY(double y)
+	{
+		this.motion[1] = y;
+	}
+	
+	public void setMotionZ(double z)
+	{
+		this.motion[2] = z;
+	}
+	
+	public void setAmplifier(MobEffect effect, byte amplifier)
+	{
+		this.potion.getOrCreate(effect).setAmplifier(amplifier);
+	}
+	
+	public void setSeconds(MobEffect effect, int seconds)
+	{
+		this.potion.getOrCreate(effect).setSeconds(seconds);
+	}
+	
+	public void setMinutes(MobEffect effect, int minutes)
+	{
+		this.potion.getOrCreate(effect).setMinutes(minutes);
+	}
+	
+	public void setHours(MobEffect effect, int hours)
+	{
+		this.potion.getOrCreate(effect).setHours(hours);
+	}
+	
+	public void setShowParticles(MobEffect effect, boolean showParticles)
+	{
+		this.potion.getOrCreate(effect).setShowParticles(showParticles);
+	}
+	
+	public void setAmbient(MobEffect effect, boolean ambient)
+	{
+		this.potion.getOrCreate(effect).setAmbient(ambient);
+	}
+	
+	public byte getAmplifier(MobEffect effect)
+	{
+		return this.potion.getOrCreate(effect).getAmplifier();
+	}
+	
+	public int getSeconds(MobEffect effect)
+	{
+		return this.potion.getOrCreate(effect).getSeconds();
+	}
+	
+	public int getMinutes(MobEffect effect)
+	{
+		return this.potion.getOrCreate(effect).getMinutes();
+	}
+	
+	public int getHours(MobEffect effect)
+	{
+		return this.potion.getOrCreate(effect).getHours();
+	}
+	
+	public boolean doShowParticles(MobEffect effect)
+	{
+		return this.potion.getOrCreate(effect).doShowParticles();
+	}
+	
+	public boolean isAmbient(MobEffect effect)
+	{
+		return this.potion.getOrCreate(effect).isAmbient();
+	}
+	
+	public Set<MobEffect> getEffects()
+	{
+		return this.potion.getMobEffects();
+	}
+	
+	public void setBlockState(BlockState blockState)
+	{
+		this.blockState = blockState;
+	}
+	
+	public BlockState getBlockState()
+	{
+		return this.blockState;
+	}
+	
+	public void setTime(int time)
+	{
+		this.time = time;
+	}
+	
+	public int getTime()
+	{
+		return this.time;
+	}
+	
+	public void setIsBaby(boolean baby)
+	{
+		this.isBaby = baby;
+	}
+	
+	public boolean isBaby()
+	{
+		return this.isBaby;
+	}
+	
+	public void setCommand(String command)
+	{
+		this.command = command;
+	}
+	
+	public String getCommand()
+	{
+		return this.command;
+	}
+	
+	public void setNBT(CompoundTag nbt)
+	{
+		this.nbt = nbt;
+	}
+	
+	public CompoundTag getNBT()
+	{
+		return this.nbt;
+	}
+	
+	public void setNBT(String nbt)
+	{
+		try
+		{
+			this.nbt = TagParser.parseTag("{" + nbt + "}");
+		}
+		catch(CommandSyntaxException e)
+		{
+			this.nbt = null;
+		}
+	}
+	
+	@Override
+	public String key()
+	{
+		return null;
+	}
+	
+	@Override
+	public Tag value()
+	{
+		CompoundTag nbt = new CompoundTag();
+		
+		if(this.time != null)
+		{
+			NBTHelper.append(nbt, "Time", IntTag.valueOf(this.time));
+		}
+		
+		if(this.command != null)
+		{
+			NBTHelper.append(nbt, "Command", StringTag.valueOf(this.command));
+		}
+		
+		if(this.isBaby)
+		{
+			NBTHelper.append(nbt, "IsBaby", ByteTag.valueOf(true));
+		}
+		
+		NBTHelper.append(nbt, "id", NBTHelper.serialize(this.id));
+		NBTHelper.append(nbt, "Motion", NBTHelper.serialize(this.motion));
+		NBTHelper.append(nbt, "Passengers", NBTHelper.serialize(this.passengers));
+		NBTHelper.append(nbt, "ArmorItems", NBTHelper.serialize(this.armorItems));
+		NBTHelper.append(nbt, "HandItems", NBTHelper.serialize(this.handItems));
+		NBTHelper.append(nbt, "BlockState", NBTHelper.serialize(this.blockState));
+		
+		NBTHelper.append(nbt, "CustomName", this.customName.serialize());
+		
+		NBTHelper.append(nbt, this.potion);
+		NBTHelper.append(nbt, this.attribute);
+		
+		if(this.nbt != null)
+		{
+			nbt.merge(this.nbt);
+		}
+		
+		if(nbt.isEmpty())
+		{
+			return null;
+		}
+		
+		return nbt;
+	}
+	
+	private static boolean isArrayIndexValid(Object[] array, int index)
+	{
+		if(array != null && (Array.getLength(array) == 0 || array.length <= index))
+		{
+            return false;
+		}
+		
+        return index >= 0;
+	}
+}

src/main/java/exopandora/worldhandler/builder/argument/tag/ITagProvider.java

@@ -0,0 +1,14 @@
+package exopandora.worldhandler.builder.argument.tag;
+
+import javax.annotation.Nullable;
+
+import net.minecraft.nbt.Tag;
+
+public interface ITagProvider
+{
+	@Nullable
+	String key();
+	
+	@Nullable
+	Tag value();
+}

src/main/java/exopandora/worldhandler/builder/argument/tag/MutableTag.java

@@ -0,0 +1,37 @@
+package exopandora.worldhandler.builder.argument.tag;
+
+import net.minecraft.nbt.Tag;
+
+public class MutableTag implements ITagProvider
+{
+	private String key;
+	private Tag tag;
+	
+	public void setKey(String key)
+	{
+		this.key = key;
+	}
+	
+	public void setTag(Tag tag)
+	{
+		this.tag = tag;
+	}
+	
+	@Override
+	public String key()
+	{
+		return this.key;
+	}
+	
+	@Override
+	public Tag value()
+	{
+		return this.tag;
+	}
+	
+	public void reset()
+	{
+		this.key = null;
+		this.tag = null;
+	}
+}

src/main/java/exopandora/worldhandler/builder/argument/tag/TextTag.java

@@ -0,0 +1,32 @@
+package exopandora.worldhandler.builder.argument.tag;
+
+import exopandora.worldhandler.util.SignText;
+import net.minecraft.nbt.Tag;
+
+public class TextTag implements ITagProvider
+{
+	private final int id;
+	private final SignText text = new SignText();
+	
+	public TextTag(int id)
+	{
+		this.id = id;
+	}
+	
+	public SignText getText()
+	{
+		return this.text;
+	}
+	
+	@Override
+	public String key()
+	{
+		return "Text" + this.id;
+	}
+	
+	@Override
+	public Tag value()
+	{
+		return this.text.serialize();
+	}
+}

src/main/java/exopandora/worldhandler/builder/impl/AdvancementCommandBuilder.java

@@ -0,0 +1,91 @@
+package exopandora.worldhandler.builder.impl;
+
+import exopandora.worldhandler.builder.CommandBuilder;
+import exopandora.worldhandler.builder.CommandNode;
+import exopandora.worldhandler.builder.CommandNodeLiteral;
+import exopandora.worldhandler.builder.argument.Arguments;
+import exopandora.worldhandler.builder.argument.PrimitiveArgument;
+import exopandora.worldhandler.builder.argument.TargetArgument;
+import net.minecraft.resources.ResourceLocation;
+
+public class AdvancementCommandBuilder extends CommandBuilder
+{
+	private final TargetArgument targets = Arguments.target();
+	private final PrimitiveArgument<ResourceLocation> advancement = Arguments.resourceLocation();
+	private final PrimitiveArgument<String> criterion = Arguments.greedyString();
+	
+	private final CommandNodeLiteral root = CommandNode.literal("advancement")
+			.then(CommandNode.literal("grant")
+					.then(CommandNode.argument("targets", this.targets)
+							.then(CommandNode.literal("only")
+									.then(CommandNode.argument("advancement", this.advancement)
+											.label(Label.GRANT_ONLY)
+											.then(CommandNode.argument("criterion", this.criterion)
+													.label(Label.GRANT_ONLY_CRITERION))))
+							.then(CommandNode.literal("from")
+									.then(CommandNode.argument("advancement", this.advancement)
+											.label(Label.GRANT_FROM)))
+							.then(CommandNode.literal("until")
+									.then(CommandNode.argument("advancement", this.advancement)
+											.label(Label.GRANT_UNTIL)))
+							.then(CommandNode.literal("through")
+									.then(CommandNode.argument("advancement", this.advancement)
+											.label(Label.GRANT_THROUGH)))
+							.then(CommandNode.literal("everything")
+									.label(Label.GRANT_EVERYTHING))))
+			.then(CommandNode.literal("revoke")
+					.then(CommandNode.argument("targets", this.targets)
+							.then(CommandNode.literal("only")
+									.then(CommandNode.argument("advancement", this.advancement)
+											.label(Label.REVOKE_ONLY)
+											.then(CommandNode.argument("criterion", this.criterion)
+													.label(Label.REVOKE_ONLY_CRITERION))))
+							.then(CommandNode.literal("from")
+									.then(CommandNode.argument("advancement", this.advancement)
+											.label(Label.REVOKE_FROM)))
+							.then(CommandNode.literal("until")
+									.then(CommandNode.argument("advancement", this.advancement)
+											.label(Label.REVOKE_UNTIL)))
+							.then(CommandNode.literal("through")
+									.then(CommandNode.argument("advancement", this.advancement)
+											.label(Label.REVOKE_THROUGH)))
+							.then(CommandNode.literal("everything")
+									.label(Label.REVOKE_EVERYTHING))));
+	
+	public TargetArgument targets()
+	{
+		return this.targets;
+	}
+	
+	public PrimitiveArgument<ResourceLocation> advancement()
+	{
+		return this.advancement;
+	}
+	
+	public PrimitiveArgument<String> criterion()
+	{
+		return this.criterion;
+	}
+	
+	@Override
+	protected CommandNodeLiteral root()
+	{
+		return this.root;
+	}
+	
+	public static enum Label
+	{
+		GRANT_ONLY,
+		GRANT_ONLY_CRITERION,
+		GRANT_FROM,
+		GRANT_UNTIL,
+		GRANT_THROUGH,
+		GRANT_EVERYTHING,
+		REVOKE_ONLY,
+		REVOKE_ONLY_CRITERION,
+		REVOKE_FROM,
+		REVOKE_UNTIL,
+		REVOKE_THROUGH,
+		REVOKE_EVERYTHING;
+	}
+}

src/main/java/exopandora/worldhandler/builder/impl/BanCommandBuilder.java

@@ -0,0 +1,15 @@
+package exopandora.worldhandler.builder.impl;
+
+public class BanCommandBuilder extends TargetReasonCommandBuilder<BanCommandBuilder.Label>
+{
+	public BanCommandBuilder()
+	{
+		super("ban", Label.BAN, Label.BAN_REASON);
+	}
+	
+	public static enum Label
+	{
+		BAN,
+		BAN_REASON;
+	}
+}

src/main/java/exopandora/worldhandler/builder/impl/ClearInventoryCommandBuilder.java

@@ -0,0 +1,54 @@
+package exopandora.worldhandler.builder.impl;
+
+import exopandora.worldhandler.builder.CommandBuilder;
+import exopandora.worldhandler.builder.CommandNode;
+import exopandora.worldhandler.builder.CommandNodeLiteral;
+import exopandora.worldhandler.builder.argument.Arguments;
+import exopandora.worldhandler.builder.argument.ItemPredicateArgument;
+import exopandora.worldhandler.builder.argument.PrimitiveArgument;
+import exopandora.worldhandler.builder.argument.TargetArgument;
+
+public class ClearInventoryCommandBuilder extends CommandBuilder
+{
+	private final TargetArgument targets = Arguments.target();
+	private final ItemPredicateArgument item = Arguments.itemPredicate();
+	private final PrimitiveArgument<Integer> maxCount = Arguments.intArg();
+	
+	private final CommandNodeLiteral root = CommandNode.literal("clear")
+			.label(Label.CLEAR)
+			.then(CommandNode.argument("targets", this.targets)
+					.label(Label.CLEAR_TARGETS)
+					.then(CommandNode.argument("item", this.item)
+							.label(Label.CLEAR_TARGETS_ITEM)
+							.then(CommandNode.argument("maxCount", this.maxCount)
+									.label(Label.CLEAR_TARGETS_IMTE_MAXCOUNT))));
+	
+	public TargetArgument targets()
+	{
+		return this.targets;
+	}
+	
+	public ItemPredicateArgument item()
+	{
+		return this.item;
+	}
+	
+	public PrimitiveArgument<Integer> maxCount()
+	{
+		return this.maxCount;
+	}
+	
+	@Override
+	protected CommandNodeLiteral root()
+	{
+		return this.root;
+	}
+	
+	public static enum Label
+	{
+		CLEAR,
+		CLEAR_TARGETS,
+		CLEAR_TARGETS_ITEM,
+		CLEAR_TARGETS_IMTE_MAXCOUNT;
+	}
+}

src/main/java/exopandora/worldhandler/builder/impl/CloneCommandBuilder.java

@@ -0,0 +1,90 @@
+package exopandora.worldhandler.builder.impl;
+
+import exopandora.worldhandler.builder.CommandBuilder;
+import exopandora.worldhandler.builder.CommandNode;
+import exopandora.worldhandler.builder.CommandNodeLiteral;
+import exopandora.worldhandler.builder.argument.Arguments;
+import exopandora.worldhandler.builder.argument.BlockPosArgument;
+import exopandora.worldhandler.builder.argument.BlockPredicateArgument;
+
+public class CloneCommandBuilder extends CommandBuilder
+{
+	private final BlockPosArgument begin = Arguments.blockPos();
+	private final BlockPosArgument end = Arguments.blockPos();
+	private final BlockPosArgument destination = Arguments.blockPos();
+	private final BlockPredicateArgument filter = Arguments.blockPredicate();
+	
+	private final CommandNodeLiteral root = CommandNode.literal("clone")
+			.then(CommandNode.argument("begin", this.begin)
+					.then(CommandNode.argument("end", this.end)
+							.then(CommandNode.argument("destination", this.destination)
+									.label(Label.CLONE)
+									.then(CommandNode.literal("replace")
+											.label(Label.REPLACE)
+											.then(CommandNode.literal("force")
+													.label(Label.REPLACE_FORCE))
+											.then(CommandNode.literal("move")
+													.label(Label.REPLACE_MOVE))
+											.then(CommandNode.literal("normal")
+													.label(Label.REPLACE_NORMAL)))
+									.then(CommandNode.literal("masked")
+											.label(Label.MASKED)
+											.then(CommandNode.literal("force")
+													.label(Label.MASKED_FORCE))
+											.then(CommandNode.literal("move")
+													.label(Label.MASKED_MOVE))
+											.then(CommandNode.literal("normal")
+													.label(Label.MASKED_NORMAL)))
+									.then(CommandNode.literal("filtered")
+											.then(CommandNode.argument("filter", this.filter)
+													.label(Label.FILTERED)
+													.then(CommandNode.literal("force")
+															.label(Label.FILTERED_FORCE))
+													.then(CommandNode.literal("move")
+															.label(Label.FILTERED_MOVE))
+													.then(CommandNode.literal("normal")
+															.label(Label.FILTERED_NORMAL)))))));
+	
+	public BlockPosArgument begin()
+	{
+		return this.begin;
+	}
+	
+	public BlockPosArgument end()
+	{
+		return this.end;
+	}
+	
+	public BlockPosArgument destination()
+	{
+		return this.destination;
+	}
+	
+	public BlockPredicateArgument filter()
+	{
+		return this.filter;
+	}
+	
+	@Override
+	protected CommandNodeLiteral root()
+	{
+		return this.root;
+	}
+	
+	public enum Label
+	{
+		CLONE,
+		REPLACE,
+		REPLACE_FORCE,
+		REPLACE_MOVE,
+		REPLACE_NORMAL,
+		MASKED,
+		MASKED_FORCE,
+		MASKED_MOVE,
+		MASKED_NORMAL,
+		FILTERED,
+		FILTERED_FORCE,
+		FILTERED_MOVE,
+		FILTERED_NORMAL;
+	}
+}

src/main/java/exopandora/worldhandler/builder/impl/DataCommandBuilder.java

@@ -0,0 +1,248 @@
+package exopandora.worldhandler.builder.impl;
+
+import exopandora.worldhandler.builder.CommandBuilder;
+import exopandora.worldhandler.builder.CommandNode;
+import exopandora.worldhandler.builder.CommandNodeLiteral;
+import exopandora.worldhandler.builder.argument.Arguments;
+import exopandora.worldhandler.builder.argument.BlockPosArgument;
+import exopandora.worldhandler.builder.argument.NbtPathArgument;
+import exopandora.worldhandler.builder.argument.PrimitiveArgument;
+import exopandora.worldhandler.builder.argument.TagArgument;
+import exopandora.worldhandler.builder.argument.TargetArgument;
+import exopandora.worldhandler.builder.argument.PrimitiveArgument.Linkage;
+
+public class DataCommandBuilder extends CommandBuilder
+{
+	private final BlockPosArgument targetPos = Arguments.blockPos();
+	private final NbtPathArgument path = Arguments.nbtPath();
+	private final PrimitiveArgument<Linkage> linkage = Arguments.linkage();
+	private final PrimitiveArgument<Double> scale = Arguments.doubleArg();
+	private final TargetArgument target = Arguments.target();
+	private final TagArgument nbt = Arguments.tag();
+	private final TargetArgument sourceTarget = Arguments.target();
+	private final BlockPosArgument sourcePos = Arguments.blockPos();
+	private final PrimitiveArgument<String> sourcePath = Arguments.word();
+	private final PrimitiveArgument<String> value = Arguments.greedyString();
+	private final PrimitiveArgument<Integer> index = Arguments.intArg();
+	
+	private final CommandNodeLiteral root = CommandNode.literal("data")
+			.then(CommandNode.literal("get")
+					.then(CommandNode.literal("block")
+							.then(CommandNode.argument("targetPos", this.targetPos)
+									.label(Label.GET_BLOCK)
+									.then(CommandNode.argument("path", this.path)
+											.label(Label.GET_BLOCK_PATH)
+											.then(CommandNode.argument("scale", this.scale)
+													.label(Label.GET_BLOCK_PATH_SCALE)))))
+					.then(CommandNode.literal("entity")
+							.then(CommandNode.argument("target", this.target)
+									.label(Label.GET_ENTITY)
+									.then(CommandNode.argument("path", this.path)
+											.label(Label.GET_ENTITY_PATH)
+											.then(CommandNode.argument("scale", this.scale)
+													.label(Label.GET_ENTITY_PATH_SCALE)))))
+					.then(CommandNode.literal("storage")
+							.then(CommandNode.argument("target", this.target)
+									.label(Label.GET_STORAGE)
+									.then(CommandNode.argument("path", this.path)
+											.label(Label.GET_STORAGE_PATH)
+											.then(CommandNode.argument("scale", this.scale)
+													.label(Label.GET_STORAGE_PATH_SCALE))))))
+			.then(CommandNode.literal("merge")
+					.then(CommandNode.literal("block")
+							.then(CommandNode.argument("targetPos", this.targetPos)
+									.then(CommandNode.argument("nbt", this.nbt)
+											.label(Label.MERGE_BLOCK))))
+					.then(CommandNode.literal("entity")
+							.then(CommandNode.argument("target", this.target)
+									.then(CommandNode.argument("nbt", this.nbt)
+											.label(Label.MERGE_ENTITY))))
+					.then(CommandNode.literal("storage")
+							.then(CommandNode.argument("target", this.target)
+									.then(CommandNode.argument("nbt", this.nbt)
+											.label(Label.MERGE_STORAGE)))))
+			.then(CommandNode.literal("modify")
+					.then(CommandNode.literal("block")
+							.then(CommandNode.argument("targetPos", this.targetPos)
+									.then(CommandNode.argument("path", this.path)
+											.then(CommandNode.argument("linkage", this.linkage)
+													.then(CommandNode.literal("from")
+															.then(CommandNode.literal("block")
+																	.then(CommandNode.argument("sourcePos", this.sourcePos)
+																			.label(Label.MODIFY_BLOCK_FROM_BLOCK)
+																			.then(CommandNode.argument("sourcePath", this.sourcePath)
+																					.label(Label.MODIFY_BLOCK_FROM_BLOCK_PATH))))
+															.then(CommandNode.literal("entity")
+																	.then(CommandNode.argument("sourceTarget", this.sourceTarget)
+																			.label(Label.MODIFY_BLOCK_FROM_ENTITY)
+																			.then(CommandNode.argument("sourcePath", this.sourcePath)
+																					.label(Label.MODIFY_BLOCK_FROM_ENTITY_PATH))))
+															.then(CommandNode.literal("storage")
+																	.then(CommandNode.argument("source", this.sourceTarget)
+																			.label(Label.MODIFY_BLOCK_FROM_STORAGE)
+																			.then(CommandNode.argument("sourcePath", this.sourcePath)
+																					.label(Label.MODIFY_BLOCK_FROM_STORAGE_PATH)))))
+													.then(CommandNode.literal("value")
+															.then(CommandNode.argument("value", this.value)
+																	.label(Label.MODIFY_BLOCK_VALUE)))))))
+					.then(CommandNode.literal("entity")
+							.then(CommandNode.argument("target", this.target)
+									.then(CommandNode.argument("path", this.path)
+											.then(CommandNode.argument("linkage", this.linkage)
+													.then(CommandNode.literal("from")
+															.then(CommandNode.literal("block")
+																	.then(CommandNode.argument("sourcePos", this.sourcePos)
+																			.label(Label.MODIFY_ENTITY_FROM_BLOCK)
+																			.then(CommandNode.argument("sourcePath", this.sourcePath)
+																					.label(Label.MODIFY_ENTITY_FROM_BLOCK_PATH))))
+															.then(CommandNode.literal("entity")
+																	.then(CommandNode.argument("sourceTarget", this.sourceTarget)
+																			.label(Label.MODIFY_ENTITY_FROM_ENTITY)
+																			.then(CommandNode.argument("sourcePath", this.sourcePath)
+																					.label(Label.MODIFY_ENTITY_FROM_ENTITY_PATH))))
+															.then(CommandNode.literal("storage")
+																	.then(CommandNode.argument("source", this.sourceTarget)
+																			.label(Label.MODIFY_ENTITY_FROM_STORAGE)
+																			.then(CommandNode.argument("sourcePath", this.sourcePath)
+																					.label(Label.MODIFY_ENTITY_FROM_STORAGE_PATH)))))
+													.then(CommandNode.literal("value")
+															.then(CommandNode.argument("value", this.value)
+																	.label(Label.MODIFY_ENTITY_VALUE)))))))
+					.then(CommandNode.literal("storage")
+							.then(CommandNode.argument("target", this.target)
+									.then(CommandNode.argument("path", this.path)
+											.then(CommandNode.argument("linkage", this.linkage)
+													.then(CommandNode.literal("from")
+															.then(CommandNode.literal("block")
+																	.then(CommandNode.argument("sourcePos", this.sourcePos)
+																			.label(Label.MODIFY_STORAGE_FROM_BLOCK)
+																			.then(CommandNode.argument("sourcePath", this.sourcePath)
+																					.label(Label.MODIFY_ENTITY_FROM_BLOCK_PATH))))
+															.then(CommandNode.literal("entity")
+																	.then(CommandNode.argument("sourceTarget", this.sourceTarget)
+																			.label(Label.MODIFY_STORAGE_FROM_ENTITY)
+																			.then(CommandNode.argument("sourcePath", this.sourcePath)
+																					.label(Label.MODIFY_STORAGE_FROM_ENTITY_PATH))))
+															.then(CommandNode.literal("storage")
+																	.then(CommandNode.argument("source", this.sourceTarget)
+																			.label(Label.MODIFY_STORAGE_FROM_STORAGE)
+																			.then(CommandNode.argument("sourcePath", this.sourcePath)
+																					.label(Label.MODIFY_STORAGE_FROM_STORAGE_PATH)))))
+													.then(CommandNode.literal("value")
+															.then(CommandNode.argument("value", this.value)
+																	.label(Label.MODIFY_STORAGE_VALUE))))))))
+			.then(CommandNode.literal("remove")
+					.then(CommandNode.literal("block")
+							.then(CommandNode.argument("targetPos", this.targetPos)
+									.then(CommandNode.argument("path", this.path)
+											.label(Label.REMOVE_BLOCK))))
+					.then(CommandNode.literal("entity")
+							.then(CommandNode.argument("target", this.target)
+									.then(CommandNode.argument("path", this.path)
+											.label(Label.REMOVE_ENTITY))))
+					.then(CommandNode.literal("storage")
+							.then(CommandNode.argument("target", this.target)
+									.then(CommandNode.argument("path", this.path)
+											.label(Label.REMOVE_STORAGE)))));
+	
+	public BlockPosArgument targetPos()
+	{
+		return this.targetPos;
+	}
+	
+	public NbtPathArgument path()
+	{
+		return this.path;
+	}
+	
+	public PrimitiveArgument<Linkage> linkage()
+	{
+		return this.linkage;
+	}
+	
+	public PrimitiveArgument<Double> scale()
+	{
+		return this.scale;
+	}
+	
+	public TargetArgument target()
+	{
+		return this.target;
+	}
+	
+	public TagArgument nbt()
+	{
+		return this.nbt;
+	}
+	
+	public TargetArgument sourceTarget()
+	{
+		return this.sourceTarget;
+	}
+	
+	public BlockPosArgument sourcePos()
+	{
+		return this.sourcePos;
+	}
+	
+	public PrimitiveArgument<String> sourcePath()
+	{
+		return this.sourcePath;
+	}
+	
+	public PrimitiveArgument<String> value()
+	{
+		return this.value;
+	}
+	
+	public PrimitiveArgument<Integer> index()
+	{
+		return this.index;
+	}
+	
+	@Override
+	protected CommandNodeLiteral root()
+	{
+		return this.root;
+	}
+	
+	public static enum Label
+	{
+		GET_BLOCK,
+		GET_BLOCK_PATH,
+		GET_BLOCK_PATH_SCALE,
+		GET_ENTITY,
+		GET_ENTITY_PATH,
+		GET_ENTITY_PATH_SCALE,
+		GET_STORAGE,
+		GET_STORAGE_PATH,
+		GET_STORAGE_PATH_SCALE,
+		MERGE_BLOCK,
+		MERGE_ENTITY,
+		MERGE_STORAGE,
+		MODIFY_BLOCK_FROM_BLOCK,
+		MODIFY_BLOCK_FROM_BLOCK_PATH,
+		MODIFY_BLOCK_FROM_ENTITY,
+		MODIFY_BLOCK_FROM_ENTITY_PATH,
+		MODIFY_BLOCK_FROM_STORAGE,
+		MODIFY_BLOCK_FROM_STORAGE_PATH,
+		MODIFY_BLOCK_VALUE,
+		MODIFY_ENTITY_FROM_BLOCK,
+		MODIFY_ENTITY_FROM_BLOCK_PATH,
+		MODIFY_ENTITY_FROM_ENTITY,
+		MODIFY_ENTITY_FROM_ENTITY_PATH,
+		MODIFY_ENTITY_FROM_STORAGE,
+		MODIFY_ENTITY_FROM_STORAGE_PATH,
+		MODIFY_ENTITY_VALUE,
+		MODIFY_STORAGE_FROM_BLOCK,
+		MODIFY_STORAGE_FROM_BLOCK_PATH,
+		MODIFY_STORAGE_FROM_ENTITY,
+		MODIFY_STORAGE_FROM_ENTITY_PATH,
+		MODIFY_STORAGE_FROM_STORAGE,
+		MODIFY_STORAGE_FROM_STORAGE_PATH,
+		MODIFY_STORAGE_VALUE,
+		REMOVE_BLOCK,
+		REMOVE_ENTITY,
+		REMOVE_STORAGE;
+	}
+}

src/main/java/exopandora/worldhandler/builder/impl/DeOpCommandBuilder.java

@@ -0,0 +1,14 @@
+package exopandora.worldhandler.builder.impl;
+
+public class DeOpCommandBuilder extends TargetCommandBuilder
+{
+	public DeOpCommandBuilder()
+	{
+		super("deop", Label.DEOP);
+	}
+	
+	public static enum Label
+	{
+		DEOP;
+	}
+}

src/main/java/exopandora/worldhandler/builder/impl/DifficultyCommandBuilder.java

@@ -0,0 +1,33 @@
+package exopandora.worldhandler.builder.impl;
+
+import exopandora.worldhandler.builder.CommandBuilder;
+import exopandora.worldhandler.builder.CommandNode;
+import exopandora.worldhandler.builder.CommandNodeLiteral;
+import exopandora.worldhandler.builder.argument.Arguments;
+import exopandora.worldhandler.builder.argument.PrimitiveArgument;
+import net.minecraft.world.Difficulty;
+
+public class DifficultyCommandBuilder extends CommandBuilder
+{
+	private final PrimitiveArgument<Difficulty> difficulty = Arguments.difficulty();
+	
+	private final CommandNodeLiteral root = CommandNode.literal("difficulty")
+			.then(CommandNode.argument("difficulty", this.difficulty)
+					.label(Label.DIFFICULTY));
+	
+	public PrimitiveArgument<Difficulty> difficulty()
+	{
+		return this.difficulty;
+	}
+	
+	@Override
+	protected CommandNodeLiteral root()
+	{
+		return this.root;
+	}
+	
+	public static enum Label
+	{
+		DIFFICULTY;
+	}
+}

src/main/java/exopandora/worldhandler/builder/impl/EffectCommandBuilder.java

@@ -0,0 +1,78 @@
+package exopandora.worldhandler.builder.impl;
+
+import exopandora.worldhandler.builder.CommandBuilder;
+import exopandora.worldhandler.builder.CommandNode;
+import exopandora.worldhandler.builder.CommandNodeLiteral;
+import exopandora.worldhandler.builder.argument.Arguments;
+import exopandora.worldhandler.builder.argument.EffectArgument;
+import exopandora.worldhandler.builder.argument.PrimitiveArgument;
+import exopandora.worldhandler.builder.argument.TargetArgument;
+
+public class EffectCommandBuilder extends CommandBuilder
+{
+	private final TargetArgument targets = Arguments.target();
+	private final EffectArgument effect = Arguments.effect();
+	private final PrimitiveArgument<Integer> seconds = Arguments.intArg();
+	private final PrimitiveArgument<Byte> amplifier = Arguments.byteArg();
+	private final PrimitiveArgument<Boolean> hideParticles = Arguments.boolArg();
+	
+	private final CommandNodeLiteral root = CommandNode.literal("effect")
+			.then(CommandNode.literal("give")
+					.then(CommandNode.argument("targets", this.targets)
+							.then(CommandNode.argument("effect", this.effect)
+									.label(Label.GIVE)
+									.then(CommandNode.argument("seconds", this.seconds)
+											.label(Label.GIVE_SECONDS)
+											.then(CommandNode.argument("amplifier", this.amplifier)
+													.label(Label.GIVE_SECONDS_AMPLIFIER)
+													.then(CommandNode.argument("hideParticles", this.hideParticles)
+															.label(Label.GIVE_SECONDS_AMPLIFIER_HIDEPARTICLES)))))))
+			.then(CommandNode.literal("clear")
+					.label(Label.CLEAR)
+					.then(CommandNode.argument("targets", this.targets)
+							.label(Label.CLEAR_TARGETS)
+							.then(CommandNode.argument("effect", this.effect)
+									.label(Label.CLEAR_TARGETS_EFFECT))));
+	
+	public TargetArgument targets()
+	{
+		return this.targets;
+	}
+	
+	public EffectArgument effect()
+	{
+		return this.effect;
+	}
+	
+	public PrimitiveArgument<Integer> seconds()
+	{
+		return this.seconds;
+	}
+	
+	public PrimitiveArgument<Byte> amplifier()
+	{
+		return this.amplifier;
+	}
+	
+	public PrimitiveArgument<Boolean> hideParticles()
+	{
+		return this.hideParticles;
+	}
+	
+	@Override
+	protected CommandNodeLiteral root()
+	{
+		return this.root;
+	}
+	
+	public static enum Label
+	{
+		GIVE,
+		GIVE_SECONDS,
+		GIVE_SECONDS_AMPLIFIER,
+		GIVE_SECONDS_AMPLIFIER_HIDEPARTICLES,
+		CLEAR,
+		CLEAR_TARGETS,
+		CLEAR_TARGETS_EFFECT;
+	}
+}

src/main/java/exopandora/worldhandler/builder/impl/EnchantCommandBuilder.java

@@ -0,0 +1,50 @@
+package exopandora.worldhandler.builder.impl;
+
+import exopandora.worldhandler.builder.CommandBuilder;
+import exopandora.worldhandler.builder.CommandNode;
+import exopandora.worldhandler.builder.CommandNodeLiteral;
+import exopandora.worldhandler.builder.argument.Arguments;
+import exopandora.worldhandler.builder.argument.EnchantmentArgument;
+import exopandora.worldhandler.builder.argument.PrimitiveArgument;
+import exopandora.worldhandler.builder.argument.TargetArgument;
+
+public class EnchantCommandBuilder extends CommandBuilder
+{
+	private final TargetArgument target = Arguments.target();
+	private final EnchantmentArgument enchantment = Arguments.enchantment();
+	private final PrimitiveArgument<Integer> level = Arguments.intArg();
+	
+	private final CommandNodeLiteral root = CommandNode.literal("enchant")
+			.then(CommandNode.argument("target", this.target)
+					.then(CommandNode.argument("enchantment", this.enchantment)
+							.label(Label.ENCHANT)
+							.then(CommandNode.argument("level", this.level)
+									.label(Label.ENCHANT_LEVEL))));
+	
+	public TargetArgument target()
+	{
+		return this.target;
+	}
+	
+	public EnchantmentArgument enchantment()
+	{
+		return this.enchantment;
+	}
+	
+	public PrimitiveArgument<Integer> level()
+	{
+		return this.level;
+	}
+	
+	@Override
+	protected CommandNodeLiteral root()
+	{
+		return this.root;
+	}
+	
+	public static enum Label
+	{
+		ENCHANT,
+		ENCHANT_LEVEL;
+	}
+}

src/main/java/exopandora/worldhandler/builder/impl/ExecuteCommandBuilder.java

@@ -0,0 +1,624 @@
+package exopandora.worldhandler.builder.impl;
+
+import exopandora.worldhandler.builder.CommandBuilder;
+import exopandora.worldhandler.builder.CommandNode;
+import exopandora.worldhandler.builder.CommandNodeLiteral;
+import exopandora.worldhandler.builder.argument.ArgumentListArgument;
+import exopandora.worldhandler.builder.argument.Arguments;
+import exopandora.worldhandler.builder.argument.BlockPosArgument;
+import exopandora.worldhandler.builder.argument.CommandArgument;
+import exopandora.worldhandler.builder.argument.DimensionArgument;
+import exopandora.worldhandler.builder.argument.NbtPathArgument;
+import exopandora.worldhandler.builder.argument.PrimitiveArgument;
+import exopandora.worldhandler.builder.argument.RangeArgument;
+import exopandora.worldhandler.builder.argument.TargetArgument;
+import exopandora.worldhandler.builder.argument.ArgumentListArgument.OptionalCommandBuilder;
+import exopandora.worldhandler.builder.argument.PrimitiveArgument.Type;
+import net.minecraft.commands.arguments.EntityAnchorArgument.Anchor;
+import net.minecraft.core.Direction.Axis;
+import net.minecraft.resources.ResourceLocation;
+
+public class ExecuteCommandBuilder extends CommandBuilder
+{
+	private final CommandArgument command = new CommandArgument();
+	private final ArgumentListArgument modifiers = new ArgumentListArgument();
+	private final CommandNodeLiteral root = CommandNode.literal("execute")
+			.then(CommandNode.argument("modifiers", this.modifiers)
+					.then(CommandNode.literal("run")
+							.then(CommandNode.argument("command", this.command)
+									.label(Label.RUN))));
+	
+	public ArgumentListArgument modifiers()
+	{
+		return this.modifiers;
+	}
+	
+	public CommandArgument command()
+	{
+		return this.command;
+	}
+	
+	@Override
+	protected CommandNodeLiteral root()
+	{
+		return this.root;
+	}
+	
+	public static enum Label
+	{
+		RUN;
+	}
+	
+	public static class AlignOptionalArgument extends OptionalCommandBuilder<AlignOptionalArgument.Label>
+	{
+		private final PrimitiveArgument<Axis> axis = Arguments.axis();
+		private final CommandNodeLiteral root = CommandNode.literal("align")
+				.then(CommandNode.argument("axis", this.axis)
+						.label(Label.AXIS));
+		
+		public AlignOptionalArgument(Label label)
+		{
+			super(label);
+		}
+		
+		public PrimitiveArgument<Axis> axis()
+		{
+			return this.axis;
+		}
+		
+		@Override
+		protected CommandNodeLiteral root()
+		{
+			return this.root;
+		}
+		
+		public static enum Label
+		{
+			AXIS;
+		}
+	}
+	
+	public static class AnchoredOptionalArgument extends OptionalCommandBuilder<AnchoredOptionalArgument.Label>
+	{
+		private final PrimitiveArgument<Anchor> anchor = Arguments.anchor();
+		private final CommandNodeLiteral root = CommandNode.literal("anchored")
+				.then(CommandNode.argument("anchor", this.anchor)
+						.label(Label.ANCHOR));
+		
+		public AnchoredOptionalArgument(Label label)
+		{
+			super(label);
+		}
+		
+		public PrimitiveArgument<Anchor> anchor()
+		{
+			return this.anchor;
+		}
+		
+		@Override
+		protected CommandNodeLiteral root()
+		{
+			return this.root;
+		}
+		
+		public static enum Label
+		{
+			ANCHOR;
+		}
+	}
+	
+	public static class AsOptionalArgument extends OptionalCommandBuilder<AsOptionalArgument.Label>
+	{
+		private final TargetArgument targets = Arguments.target();
+		private final CommandNodeLiteral root = CommandNode.literal("as")
+				.then(CommandNode.argument("targets", this.targets)
+						.label(Label.AS));
+		
+		public AsOptionalArgument(Label label)
+		{
+			super(label);
+		}
+		
+		public TargetArgument targets()
+		{
+			return this.targets;
+		}
+		
+		@Override
+		protected CommandNodeLiteral root()
+		{
+			return this.root;
+		}
+		
+		public static enum Label
+		{
+			AS;
+		}
+	}
+	
+	public static class AtOptionalArgument extends OptionalCommandBuilder<AtOptionalArgument.Label>
+	{
+		private final TargetArgument targets = Arguments.target();
+		private final CommandNodeLiteral root = CommandNode.literal("at")
+				.then(CommandNode.argument("targets", this.targets)
+						.label(Label.AT));
+		
+		public AtOptionalArgument(Label label)
+		{
+			super(label);
+		}
+		
+		public TargetArgument targets()
+		{
+			return this.targets;
+		}
+		
+		@Override
+		protected CommandNodeLiteral root()
+		{
+			return this.root;
+		}
+		
+		public static enum Label
+		{
+			AT;
+		}
+	}
+	
+	public static class FacingOptionalArgument extends OptionalCommandBuilder<FacingOptionalArgument.Label>
+	{
+		private final PrimitiveArgument<Anchor> anchor = Arguments.anchor();
+		private final BlockPosArgument pos = Arguments.blockPos();
+		private final TargetArgument targets = Arguments.target();
+		private final CommandNodeLiteral root = CommandNode.literal("facing")
+				.then(CommandNode.argument("pos", this.pos)
+						.label(Label.POS))
+				.then(CommandNode.literal("entity")
+						.then(CommandNode.argument("targets", this.targets)
+								.then(CommandNode.argument("anchor", this.anchor)
+										.label(Label.ENTITY))));
+		
+		public FacingOptionalArgument(Label label)
+		{
+			super(label);
+		}
+		
+		public PrimitiveArgument<Anchor> anchor()
+		{
+			return this.anchor;
+		}
+		
+		public BlockPosArgument pos()
+		{
+			return this.pos;
+		}
+		
+		public TargetArgument targets()
+		{
+			return this.targets;
+		}
+		
+		@Override
+		protected CommandNodeLiteral root()
+		{
+			return this.root;
+		}
+		
+		public static enum Label
+		{
+			POS,
+			ENTITY;
+		}
+	}
+	
+	public static class InOptionalArgument extends OptionalCommandBuilder<InOptionalArgument.Label>
+	{
+		private final DimensionArgument dimension = DimensionArgument.dimension();
+		private final CommandNodeLiteral root = CommandNode.literal("in")
+				.then(CommandNode.argument("dimension", this.dimension)
+						.label(Label.IN));
+		
+		public InOptionalArgument(Label label)
+		{
+			super(label);
+		}
+		
+		public DimensionArgument dimension()
+		{
+			return this.dimension;
+		}
+		
+		@Override
+		protected CommandNodeLiteral root()
+		{
+			return this.root;
+		}
+		
+		public static enum Label
+		{
+			IN;
+		}
+	}
+	
+	public static class PositionedOptionalArgument extends OptionalCommandBuilder<PositionedOptionalArgument.Label>
+	{
+		private final BlockPosArgument pos = Arguments.blockPos();
+		private final TargetArgument targets = Arguments.target();
+		private final CommandNodeLiteral root = CommandNode.literal("positioned")
+				.then(CommandNode.argument("pos", this.pos)
+						.label(Label.POS))
+				.then(CommandNode.literal("as")
+						.then(CommandNode.argument("targets", this.targets)
+								.label(Label.AS)));
+		
+		public PositionedOptionalArgument(Label label)
+		{
+			super(label);
+		}
+		
+		public BlockPosArgument pos()
+		{
+			return this.pos;
+		}
+		
+		public TargetArgument targets()
+		{
+			return this.targets;
+		}
+		
+		@Override
+		protected CommandNodeLiteral root()
+		{
+			return this.root;
+		}
+		
+		public static enum Label
+		{
+			POS,
+			AS;
+		}
+	}
+	
+	public static class RotatedOptionalArgument extends OptionalCommandBuilder<RotatedOptionalArgument.Label>
+	{
+		private final TargetArgument targets = Arguments.target();
+		private final CommandNodeLiteral root = CommandNode.literal("rotated")
+				.then(CommandNode.literal("as")
+						.then(CommandNode.argument("targets", this.targets)
+								.label(Label.ROTATED)));
+		
+		public RotatedOptionalArgument(Label label)
+		{
+			super(label);
+		}
+		
+		public TargetArgument targets()
+		{
+			return this.targets;
+		}
+		
+		@Override
+		protected CommandNodeLiteral root()
+		{
+			return this.root;
+		}
+		
+		public static enum Label
+		{
+			ROTATED;
+		}
+	}
+	
+	private static class ConditionOptionalArgument extends OptionalCommandBuilder<ConditionOptionalArgument.Label>
+	{
+		private final BlockPosArgument pos = Arguments.blockPos();
+		private final PrimitiveArgument<ResourceLocation> block = Arguments.resourceLocation();
+		private final BlockPosArgument start = Arguments.blockPos();
+		private final BlockPosArgument end = Arguments.blockPos();
+		private final BlockPosArgument destination = Arguments.blockPos();
+		private final NbtPathArgument path = Arguments.nbtPath();
+		private final PrimitiveArgument<ResourceLocation> predicate = Arguments.resourceLocation();
+		private final TargetArgument target = Arguments.target();
+		private final TargetArgument source = Arguments.target();
+		private final PrimitiveArgument<String> targetObjective = Arguments.word();
+		private final PrimitiveArgument<String> sourceObjective = Arguments.word();
+		private final RangeArgument<Integer> range = Arguments.intRange();
+		private final CommandNodeLiteral root;
+		
+		public ConditionOptionalArgument(String condition, Label label)
+		{
+			super(label);
+			this.root = CommandNode.literal(condition)
+					.then(CommandNode.literal("block")
+							.then(CommandNode.argument("pos", this.pos)
+									.then(CommandNode.argument("block", this.block)
+											.label(Label.BLOCK))))
+					.then(CommandNode.literal("blocks")
+							.then(CommandNode.argument("start", this.start)
+									.then(CommandNode.argument("end", this.end)
+											.then(CommandNode.argument("destination", this.destination)
+													.then(CommandNode.literal("all")
+															.label(Label.BLOCKS_ALL))
+													.then(CommandNode.literal("masked")
+															.label(Label.BLOCKS_MASKED))))))
+					.then(CommandNode.literal("data")
+							.then(CommandNode.literal("block")
+									.then(CommandNode.argument("sourcePos", this.pos)
+											.then(CommandNode.argument("sourcePath", this.path)
+													.label(Label.DATA_BLOCK))))
+							.then(CommandNode.literal("entity")
+									.then(CommandNode.argument("sourceTarget", this.target)
+											.then(CommandNode.argument("sourcePath", this.path)
+													.label(Label.DATA_ENTITY))))
+							.then(CommandNode.literal("storage")
+									.then(CommandNode.argument("source", this.target)
+											.then(CommandNode.argument("sourcePath", this.path)
+													.label(Label.DATA_STORAGE)))))
+					.then(CommandNode.literal("entity")
+							.then(CommandNode.argument("entites", this.target)
+									.label(Label.ENTITY)))
+					.then(CommandNode.literal("predicate")
+							.then(CommandNode.argument("predicate", this.predicate)
+									.label(Label.PREDICATE)))
+					.then(CommandNode.literal("score")
+							.then(CommandNode.argument("target", this.target)
+									.then(CommandNode.argument("targetObjective", this.targetObjective)
+											.then(CommandNode.literal("<")
+													.then(CommandNode.argument("source", this.source)
+															.then(CommandNode.argument("sourceObjective", this.sourceObjective)
+																	.label(Label.SCORE_LT))))
+											.then(CommandNode.literal("<=")
+													.then(CommandNode.argument("source", this.source)
+															.then(CommandNode.argument("sourceObjective", this.sourceObjective)
+																	.label(Label.SCORE_LE))))
+											.then(CommandNode.literal("=")
+													.then(CommandNode.argument("source", this.source)
+															.then(CommandNode.argument("sourceObjective", this.sourceObjective)
+																	.label(Label.SCORE_EQ))))
+											.then(CommandNode.literal(">")
+													.then(CommandNode.argument("source", this.source)
+															.then(CommandNode.argument("sourceObjective", this.sourceObjective)
+																	.label(Label.SCORE_GT))))
+											.then(CommandNode.literal(">=")
+													.then(CommandNode.argument("source", this.source)
+															.then(CommandNode.argument("sourceObjective", this.sourceObjective)
+																	.label(Label.SCORE_GE))))
+											.then(CommandNode.literal("matches")
+													.then(CommandNode.argument("range", this.range)
+															.label(Label.SCORE_MATCHES))))));
+		}
+		
+		public BlockPosArgument pos()
+		{
+			return this.pos;
+		}
+		
+		public PrimitiveArgument<ResourceLocation> block()
+		{
+			return this.block;
+		}
+		
+		public BlockPosArgument start()
+		{
+			return this.start;
+		}
+		
+		public BlockPosArgument end()
+		{
+			return this.end;
+		}
+		
+		public BlockPosArgument destination()
+		{
+			return this.destination;
+		}
+		
+		public NbtPathArgument path()
+		{
+			return this.path;
+		}
+		
+		public PrimitiveArgument<ResourceLocation> predicate()
+		{
+			return this.predicate;
+		}
+		
+		public TargetArgument targets()
+		{
+			return this.target;
+		}
+		
+		public TargetArgument source()
+		{
+			return this.source;
+		}
+		
+		public PrimitiveArgument<String> targetObjective()
+		{
+			return this.targetObjective;
+		}
+		
+		public PrimitiveArgument<String> sourceObjective()
+		{
+			return this.sourceObjective;
+		}
+		
+		public RangeArgument<Integer> range()
+		{
+			return this.range;
+		}
+		
+		@Override
+		protected CommandNodeLiteral root()
+		{
+			return this.root;
+		}
+		
+		public static enum Label
+		{
+			BLOCK,
+			BLOCKS_ALL,
+			BLOCKS_MASKED,
+			DATA_BLOCK,
+			DATA_ENTITY,
+			DATA_STORAGE,
+			ENTITY,
+			PREDICATE,
+			SCORE_LT,
+			SCORE_LE,
+			SCORE_EQ,
+			SCORE_GT,
+			SCORE_GE,
+			SCORE_MATCHES;
+		}
+	}
+	
+	public static class IfOptionalArgument extends ConditionOptionalArgument
+	{
+		public IfOptionalArgument(Label label)
+		{
+			super("if", label);
+		}
+	}
+	
+	public static class UnlessOptionalArgument extends ConditionOptionalArgument
+	{
+		public UnlessOptionalArgument(Label label)
+		{
+			super("unless", label);
+		}
+	}
+	
+	public static class StoreOptionalArgument extends OptionalCommandBuilder<StoreOptionalArgument.Label>
+	{
+		private final BlockPosArgument targetPos = Arguments.blockPos();
+		private final NbtPathArgument path = Arguments.nbtPath();
+		private final PrimitiveArgument<Type> type = Arguments.type();
+		private final PrimitiveArgument<Double> scale = Arguments.doubleArg();
+		private final PrimitiveArgument<ResourceLocation> id = Arguments.resourceLocation();
+		private final TargetArgument target = Arguments.target();
+		private final PrimitiveArgument<String> objective = Arguments.word();
+		
+		private final CommandNodeLiteral root = CommandNode.literal("store")
+				.then(CommandNode.literal("result")
+						.then(CommandNode.literal("block")
+								.then(CommandNode.argument("targetPos", this.targetPos)
+										.then(CommandNode.argument("path", this.path)
+												.then(CommandNode.argument("type", this.type)
+														.then(CommandNode.argument("scale", this.scale)
+																.label(Label.RESULT_BLOCK))))))
+						.then(CommandNode.literal("bossbar")
+								.then(CommandNode.argument("id", this.id)
+										.then(CommandNode.literal("max")
+												.label(Label.RESULT_BOSSBAR_MAX))
+										.then(CommandNode.literal("value")
+												.label(Label.RESULT_BOSSBAR_VALUE))))
+						.then(CommandNode.literal("entity")
+								.then(CommandNode.argument("target", this.target)
+										.then(CommandNode.argument("path", this.path)
+												.then(CommandNode.argument("type", this.type)
+														.then(CommandNode.argument("scale", this.scale)
+																.label(Label.RESULT_ENTITY))))))
+						.then(CommandNode.literal("score")
+								.then(CommandNode.argument("target", this.target)
+										.then(CommandNode.argument("objective", this.objective)
+												.label(Label.RESULT_SCORE))))
+						.then(CommandNode.literal("storage")
+								.then(CommandNode.argument("target", this.target)
+										.then(CommandNode.argument("path", this.path)
+												.then(CommandNode.argument("type", this.type)
+														.then(CommandNode.argument("scale", this.scale)
+																.label(Label.RESULT_STORAGE))))))
+				.then(CommandNode.literal("success")
+						.then(CommandNode.literal("block")
+								.then(CommandNode.argument("targetPos", this.targetPos)
+										.then(CommandNode.argument("path", this.path)
+												.then(CommandNode.argument("type", this.type)
+														.then(CommandNode.argument("scale", this.scale)
+																.label(Label.SUCCESS_BLOCK))))))
+						.then(CommandNode.literal("bossbar")
+								.then(CommandNode.argument("id", this.id)
+										.then(CommandNode.literal("max")
+												.label(Label.SUCCESS_BOSSBAR_MAX))
+										.then(CommandNode.literal("value")
+												.label(Label.SUCCESS_BOSSBAR_VALUE))))
+						.then(CommandNode.literal("entity")
+								.then(CommandNode.argument("target", this.target)
+										.then(CommandNode.argument("path", this.path)
+												.then(CommandNode.argument("type", this.type)
+														.then(CommandNode.argument("scale", this.scale)
+																.label(Label.SUCCESS_ENTITY))))))
+						.then(CommandNode.literal("score")
+								.then(CommandNode.argument("target", this.target)
+										.then(CommandNode.argument("objective", this.objective)
+												.label(Label.SUCCESS_SCORE))))
+						.then(CommandNode.literal("storage")
+								.then(CommandNode.argument("target", this.target)
+										.then(CommandNode.argument("path", this.path)
+												.then(CommandNode.argument("type", this.type)
+														.then(CommandNode.argument("scale", this.scale)
+																.label(Label.SUCCESS_STORAGE))))))));
+		
+		public StoreOptionalArgument(Label label)
+		{
+			super(label);
+		}
+		
+		public BlockPosArgument targetPos()
+		{
+			return this.targetPos;
+		}
+		
+		public NbtPathArgument path()
+		{
+			return this.path;
+		}
+		
+		public PrimitiveArgument<Type> type()
+		{
+			return this.type;
+		}
+		
+		public PrimitiveArgument<Double> scale()
+		{
+			return this.scale;
+		}
+		
+		public PrimitiveArgument<ResourceLocation> id()
+		{
+			return this.id;
+		}
+		
+		public TargetArgument target()
+		{
+			return this.target;
+		}
+		
+		public PrimitiveArgument<String> objective()
+		{
+			return this.objective;
+		}
+		
+		@Override
+		protected CommandNodeLiteral root()
+		{
+			return this.root;
+		}
+		
+		public static enum Label
+		{
+			RESULT_BLOCK,
+			RESULT_BOSSBAR_MAX,
+			RESULT_BOSSBAR_VALUE,
+			RESULT_ENTITY,
+			RESULT_SCORE,
+			RESULT_STORAGE,
+			SUCCESS_BLOCK,
+			SUCCESS_BOSSBAR_MAX,
+			SUCCESS_BOSSBAR_VALUE,
+			SUCCESS_ENTITY,
+			SUCCESS_SCORE,
+			SUCCESS_STORAGE;
+		}
+	}
+}

src/main/java/exopandora/worldhandler/builder/impl/ExperienceCommandBuilder.java

@@ -0,0 +1,66 @@
+package exopandora.worldhandler.builder.impl;
+
+import exopandora.worldhandler.builder.CommandBuilder;
+import exopandora.worldhandler.builder.CommandNode;
+import exopandora.worldhandler.builder.CommandNodeLiteral;
+import exopandora.worldhandler.builder.argument.Arguments;
+import exopandora.worldhandler.builder.argument.PrimitiveArgument;
+import exopandora.worldhandler.builder.argument.TargetArgument;
+
+public class ExperienceCommandBuilder extends CommandBuilder
+{
+	private final TargetArgument targets = Arguments.target();
+	private final PrimitiveArgument<Integer> amount = Arguments.intArg();
+	
+	private final CommandNodeLiteral root = CommandNode.literal("experience")
+			.then(CommandNode.literal("add")
+					.then(CommandNode.argument("targets", this.targets)
+							.then(CommandNode.argument("amount", this.amount)
+									.label(Label.ADD)
+									.then(CommandNode.literal("points")
+											.label(Label.ADD_POINTS))
+									.then(CommandNode.literal("levels")
+											.label(Label.ADD_LEVELS)))))
+			.then(CommandNode.literal("set")
+					.then(CommandNode.argument("targets", this.targets)
+							.then(CommandNode.argument("amount", this.amount)
+									.label(Label.SET)
+									.then(CommandNode.literal("points")
+											.label(Label.SET_POINTS))
+									.then(CommandNode.literal("levels")
+											.label(Label.SET_LEVELS)))))
+			.then(CommandNode.literal("query")
+					.then(CommandNode.argument("targets", this.targets)
+							.then(CommandNode.literal("points")
+									.label(Label.QUERY_POINTS))
+							.then(CommandNode.literal("levels")
+									.label(Label.QUERY_LEVELS))));
+	
+	public TargetArgument targets()
+	{
+		return this.targets;
+	}
+	
+	public PrimitiveArgument<Integer> amount()
+	{
+		return this.amount;
+	}
+	
+	@Override
+	protected CommandNodeLiteral root()
+	{
+		return this.root;
+	}
+	
+	public static enum Label
+	{
+		ADD,
+		ADD_POINTS,
+		ADD_LEVELS,
+		SET,
+		SET_POINTS,
+		SET_LEVELS,
+		QUERY_POINTS,
+		QUERY_LEVELS;
+	}
+}

src/main/java/exopandora/worldhandler/builder/impl/FillCommandBuilder.java

@@ -0,0 +1,70 @@
+package exopandora.worldhandler.builder.impl;
+
+import exopandora.worldhandler.builder.CommandBuilder;
+import exopandora.worldhandler.builder.CommandNode;
+import exopandora.worldhandler.builder.CommandNodeLiteral;
+import exopandora.worldhandler.builder.argument.Arguments;
+import exopandora.worldhandler.builder.argument.BlockPosArgument;
+import exopandora.worldhandler.builder.argument.BlockPredicateArgument;
+import exopandora.worldhandler.builder.argument.BlockStateArgument;
+
+public class FillCommandBuilder extends CommandBuilder
+{
+	private final BlockPosArgument from = Arguments.blockPos();
+	private final BlockPosArgument to = Arguments.blockPos();
+	private final BlockStateArgument block = Arguments.blockState();
+	private final BlockPredicateArgument filter = Arguments.blockPredicate();
+	
+	private final CommandNodeLiteral root = CommandNode.literal("fill")
+			.then(CommandNode.argument("from", this.from)
+					.then(CommandNode.argument("to", this.to)
+								.then(CommandNode.argument("block", this.block)
+										.label(Label.FILL)
+										.then(CommandNode.literal("destroy")
+												.label(Label.DESTROY))
+										.then(CommandNode.literal("hollow")
+												.label(Label.HOLLOW))
+										.then(CommandNode.literal("keep")
+												.label(Label.KEEP))
+										.then(CommandNode.literal("outline")
+												.label(Label.OUTLINE))
+										.then(CommandNode.literal("replace")
+												.then(CommandNode.argument("filter", this.filter)
+														.label(Label.REPLACE))))));
+	
+	public BlockPosArgument from()
+	{
+		return this.from;
+	}
+	
+	public BlockPosArgument to()
+	{
+		return this.to;
+	}
+	
+	public BlockStateArgument block()
+	{
+		return this.block;
+	}
+	
+	public BlockPredicateArgument filter()
+	{
+		return this.filter;
+	}
+	
+	@Override
+	protected CommandNodeLiteral root()
+	{
+		return this.root;
+	}
+	
+	public enum Label
+	{
+		FILL,
+		DESTROY,
+		HOLLOW,
+		KEEP,
+		OUTLINE,
+		REPLACE;
+	}
+}

src/main/java/exopandora/worldhandler/builder/impl/GameRuleCommandBuilder.java

@@ -0,0 +1,41 @@
+package exopandora.worldhandler.builder.impl;
+
+import exopandora.worldhandler.builder.CommandBuilder;
+import exopandora.worldhandler.builder.CommandNode;
+import exopandora.worldhandler.builder.CommandNodeLiteral;
+import exopandora.worldhandler.builder.argument.Arguments;
+import exopandora.worldhandler.builder.argument.PrimitiveArgument;
+
+public class GameRuleCommandBuilder extends CommandBuilder
+{
+	private final PrimitiveArgument<String> rule = Arguments.word();
+	private final PrimitiveArgument<String> value = Arguments.word();
+	
+	private final CommandNodeLiteral root = CommandNode.literal("gamerule")
+			.then(CommandNode.argument("rule", this.rule)
+					.label(Label.GAMERULE)
+					.then(CommandNode.argument("value", this.value)
+							.label(Label.GAMERULE_VALUE)));
+	
+	public PrimitiveArgument<String> rule()
+	{
+		return this.rule;
+	}
+	
+	public PrimitiveArgument<String> value()
+	{
+		return this.value;
+	}
+	
+	@Override
+	protected CommandNodeLiteral root()
+	{
+		return this.root;
+	}
+	
+	public static enum Label
+	{
+		GAMERULE,
+		GAMERULE_VALUE;
+	}
+}

src/main/java/exopandora/worldhandler/builder/impl/GamemodeCommandBuilder.java

@@ -0,0 +1,43 @@
+package exopandora.worldhandler.builder.impl;
+
+import exopandora.worldhandler.builder.CommandBuilder;
+import exopandora.worldhandler.builder.CommandNode;
+import exopandora.worldhandler.builder.CommandNodeLiteral;
+import exopandora.worldhandler.builder.argument.Arguments;
+import exopandora.worldhandler.builder.argument.Gamemode;
+import exopandora.worldhandler.builder.argument.PrimitiveArgument;
+import exopandora.worldhandler.builder.argument.TargetArgument;
+
+public class GamemodeCommandBuilder extends CommandBuilder
+{
+	private final PrimitiveArgument<Gamemode> gamemode = Arguments.gamemode();
+	private final TargetArgument target = Arguments.target();
+	
+	private final CommandNodeLiteral root = CommandNode.literal("gamemode")
+			.then(CommandNode.argument("gamemode", this.gamemode)
+					.label(Label.GAMEMODE)
+					.then(CommandNode.argument("target", this.target)
+							.label(Label.PLAYER)));
+	
+	public PrimitiveArgument<Gamemode> gamemode()
+	{
+		return this.gamemode;
+	}
+	
+	public TargetArgument target()
+	{
+		return this.target;
+	}
+	
+	@Override
+	protected CommandNodeLiteral root()
+	{
+		return this.root;
+	}
+	
+	public enum Label
+	{
+		GAMEMODE,
+		PLAYER;
+	}
+}

src/main/java/exopandora/worldhandler/builder/impl/GiveCommandBuilder.java

@@ -0,0 +1,50 @@
+package exopandora.worldhandler.builder.impl;
+
+import exopandora.worldhandler.builder.CommandBuilder;
+import exopandora.worldhandler.builder.CommandNode;
+import exopandora.worldhandler.builder.CommandNodeLiteral;
+import exopandora.worldhandler.builder.argument.Arguments;
+import exopandora.worldhandler.builder.argument.ItemArgument;
+import exopandora.worldhandler.builder.argument.PrimitiveArgument;
+import exopandora.worldhandler.builder.argument.TargetArgument;
+
+public class GiveCommandBuilder extends CommandBuilder
+{
+	private final TargetArgument targets = Arguments.target();
+	private final ItemArgument item = Arguments.item();
+	private final PrimitiveArgument<Integer> count = Arguments.intArg();
+	
+	private final CommandNodeLiteral root = CommandNode.literal("give")
+			.then(CommandNode.argument("targets", this.targets)
+					.then(CommandNode.argument("item", this.item)
+							.label(Label.GIVE)
+							.then(CommandNode.argument("count", this.count)
+									.label(Label.GIVE_COUNT))));
+	
+	public TargetArgument targets()
+	{
+		return this.targets;
+	}
+	
+	public ItemArgument item()
+	{
+		return this.item;
+	}
+	
+	public PrimitiveArgument<Integer> count()
+	{
+		return this.count;
+	}
+	
+	@Override
+	protected CommandNodeLiteral root()
+	{
+		return this.root;
+	}
+	
+	public enum Label
+	{
+		GIVE,
+		GIVE_COUNT;
+	}
+}

src/main/java/exopandora/worldhandler/builder/impl/KickCommandBuilder.java

@@ -0,0 +1,15 @@
+package exopandora.worldhandler.builder.impl;
+
+public class KickCommandBuilder extends TargetReasonCommandBuilder<KickCommandBuilder.Label>
+{
+	public KickCommandBuilder()
+	{
+		super("kick", Label.KICK, Label.KICK_REASON);
+	}
+	
+	public static enum Label
+	{
+		KICK,
+		KICK_REASON;
+	}
+}

src/main/java/exopandora/worldhandler/builder/impl/KillCommandBuilder.java

@@ -0,0 +1,34 @@
+package exopandora.worldhandler.builder.impl;
+
+import exopandora.worldhandler.builder.CommandBuilder;
+import exopandora.worldhandler.builder.CommandNode;
+import exopandora.worldhandler.builder.CommandNodeLiteral;
+import exopandora.worldhandler.builder.argument.Arguments;
+import exopandora.worldhandler.builder.argument.TargetArgument;
+
+public class KillCommandBuilder extends CommandBuilder
+{
+	private final TargetArgument targets = Arguments.target();
+	
+	private final CommandNodeLiteral root = CommandNode.literal("kill")
+			.label(Label.KILL)
+			.then(CommandNode.argument("targets", this.targets)
+					.label(Label.KILL_TARGETS));
+	
+	public TargetArgument targets()
+	{
+		return this.targets;
+	}
+	
+	@Override
+	protected CommandNodeLiteral root()
+	{
+		return this.root;
+	}
+	
+	public static enum Label
+	{
+		KILL,
+		KILL_TARGETS;
+	}
+}

src/main/java/exopandora/worldhandler/builder/impl/LiteralCommandBuilder.java

@@ -0,0 +1,32 @@
+package exopandora.worldhandler.builder.impl;
+
+import exopandora.worldhandler.builder.CommandBuilder;
+import exopandora.worldhandler.builder.CommandNode;
+import exopandora.worldhandler.builder.CommandNodeLiteral;
+
+public class LiteralCommandBuilder extends CommandBuilder
+{
+	private final CommandNodeLiteral command;
+	
+	public LiteralCommandBuilder(String command)
+	{
+		this(command, Label.ROOT);
+	}
+	
+	public LiteralCommandBuilder(String command, Object label)
+	{
+		this.command = CommandNode.literal(command)
+				.label(label);
+	}
+	
+	@Override
+	protected CommandNodeLiteral root()
+	{
+		return this.command;
+	}
+	
+	public static enum Label
+	{
+		ROOT;
+	}
+}

src/main/java/exopandora/worldhandler/builder/impl/OpCommandBuilder.java

@@ -0,0 +1,14 @@
+package exopandora.worldhandler.builder.impl;
+
+public class OpCommandBuilder extends TargetCommandBuilder
+{
+	public OpCommandBuilder()
+	{
+		super("op", Label.OP);
+	}
+	
+	public static enum Label
+	{
+		OP;
+	}
+}

src/main/java/exopandora/worldhandler/builder/impl/PardonCommandBuilder.java

@@ -0,0 +1,14 @@
+package exopandora.worldhandler.builder.impl;
+
+public class PardonCommandBuilder extends TargetCommandBuilder
+{
+	public PardonCommandBuilder()
+	{
+		super("pardon", Label.PARDON);
+	}
+	
+	public static enum Label
+	{
+		PARDON;
+	}
+}

src/main/java/exopandora/worldhandler/builder/impl/RecipeCommandBuilder.java

@@ -0,0 +1,53 @@
+package exopandora.worldhandler.builder.impl;
+
+import exopandora.worldhandler.builder.CommandBuilder;
+import exopandora.worldhandler.builder.CommandNode;
+import exopandora.worldhandler.builder.CommandNodeLiteral;
+import exopandora.worldhandler.builder.argument.Arguments;
+import exopandora.worldhandler.builder.argument.PrimitiveArgument;
+import exopandora.worldhandler.builder.argument.TargetArgument;
+import net.minecraft.resources.ResourceLocation;
+
+public class RecipeCommandBuilder extends CommandBuilder
+{
+	private final TargetArgument targets = Arguments.target();
+	private final PrimitiveArgument<ResourceLocation> recipe = Arguments.resourceLocation();
+	
+	private final CommandNodeLiteral root = CommandNode.literal("recipe")
+			.then(CommandNode.literal("give")
+					.then(CommandNode.argument("targets", this.targets)
+							.then(CommandNode.argument("recipe", this.recipe)
+									.label(Label.GIVE))
+							.then(CommandNode.literal("*")
+									.label(Label.GIVE_ALL))))
+			.then(CommandNode.literal("take")
+					.then(CommandNode.argument("targets", this.targets)
+							.then(CommandNode.argument("recipe", this.recipe)
+									.label(Label.TAKE))
+							.then(CommandNode.literal("*")
+									.label(Label.TAKE_ALL))));
+	
+	public TargetArgument targets()
+	{
+		return this.targets;
+	}
+	
+	public PrimitiveArgument<ResourceLocation> recipe()
+	{
+		return this.recipe;
+	}
+	
+	@Override
+	protected CommandNodeLiteral root()
+	{
+		return this.root;
+	}
+	
+	public static enum Label
+	{
+		GIVE,
+		GIVE_ALL,
+		TAKE,
+		TAKE_ALL;
+	}
+}

src/main/java/exopandora/worldhandler/builder/impl/SaveAllCommandBuilder.java

@@ -0,0 +1,14 @@
+package exopandora.worldhandler.builder.impl;
+
+public class SaveAllCommandBuilder extends LiteralCommandBuilder
+{
+	public SaveAllCommandBuilder()
+	{
+		super("save-all", Label.SAVE_ALL);
+	}
+	
+	public static enum Label
+	{
+		SAVE_ALL;
+	}
+}

src/main/java/exopandora/worldhandler/builder/impl/SaveOffCommandBuilder.java

@@ -0,0 +1,14 @@
+package exopandora.worldhandler.builder.impl;
+
+public class SaveOffCommandBuilder extends LiteralCommandBuilder
+{
+	public SaveOffCommandBuilder()
+	{
+		super("save-off", Label.SAVE_OFF);
+	}
+	
+	public static enum Label
+	{
+		SAVE_OFF;
+	}
+}

src/main/java/exopandora/worldhandler/builder/impl/SaveOnCommandBuilder.java

@@ -0,0 +1,14 @@
+package exopandora.worldhandler.builder.impl;
+
+public class SaveOnCommandBuilder extends LiteralCommandBuilder
+{
+	public SaveOnCommandBuilder()
+	{
+		super("save-on", Label.SAVE_ON);
+	}
+	
+	public static enum Label
+	{
+		SAVE_ON;
+	}
+}

src/main/java/exopandora/worldhandler/builder/impl/ScoreboardCommandBuilder.java

@@ -0,0 +1,175 @@
+package exopandora.worldhandler.builder.impl;
+
+import exopandora.worldhandler.builder.CommandBuilder;
+import exopandora.worldhandler.builder.CommandNode;
+import exopandora.worldhandler.builder.CommandNodeLiteral;
+import exopandora.worldhandler.builder.argument.Arguments;
+import exopandora.worldhandler.builder.argument.PrimitiveArgument;
+import exopandora.worldhandler.builder.argument.PrimitiveArgument.Operation;
+import exopandora.worldhandler.builder.argument.TargetArgument;
+import net.minecraft.network.chat.Component;
+import net.minecraft.world.scores.criteria.ObjectiveCriteria.RenderType;
+
+public class ScoreboardCommandBuilder extends CommandBuilder
+{
+	private final PrimitiveArgument<String> objective = Arguments.word();
+	private final PrimitiveArgument<String> criteria = Arguments.criteria();
+	private final PrimitiveArgument<Component> displayName = Arguments.textComponent();
+	private final PrimitiveArgument<String> slot = Arguments.word();
+	private final PrimitiveArgument<RenderType> renderType = Arguments.renderType();
+	private final TargetArgument target = Arguments.target();
+	private final TargetArgument targets = Arguments.target();
+	private final PrimitiveArgument<Integer> score = Arguments.intArg();
+	private final PrimitiveArgument<Operation> operation = Arguments.operation();
+	private final PrimitiveArgument<String> sourceObjective = Arguments.word();
+	
+	private final CommandNodeLiteral root = CommandNode.literal("scoreboard")
+			.then(CommandNode.literal("objectives")
+					.label(Label.OBJECTIVES)
+					.then(CommandNode.literal("add")
+							.then(CommandNode.argument("objective", this.objective)
+									.then(CommandNode.argument("criteria", this.criteria)
+											.label(Label.OBJECTIVES_ADD)
+											.then(CommandNode.argument("displayName", this.displayName)
+													.label(Label.OBJECTIVES_ADD_DISPLAYNAME)))))
+					.then(CommandNode.literal("modify")
+							.then(CommandNode.argument("objective", this.objective)
+									.then(CommandNode.literal("displayname")
+											.then(CommandNode.argument("displayName", this.displayName)
+													.label(Label.OBJECTIVES_MODIFY_DISPLAYNAME)))
+									.then(CommandNode.literal("rendertype")
+											.then(CommandNode.argument("renderType", this.renderType)
+													.label(Label.OBJECTIVES_MODIFY_RENDERTYPE)))))
+					.then(CommandNode.literal("remove")
+							.then(CommandNode.argument("objective", this.objective)
+									.label(Label.OBJECTIVES_REMOVE)))
+					.then(CommandNode.literal("setdisplay")
+							.then(CommandNode.argument("slot", this.slot)
+									.label(Label.OBJECTIVES_SETDISPLAY_SLOT)
+									.then(CommandNode.argument("objective", this.objective)
+											.label(Label.OBJECTIVES_SETDISPLAY_SLOT_OBJECTIVE)))))
+			.then(CommandNode.literal("players")
+					.label(Label.PLAYERS)
+					.then(CommandNode.literal("list")
+							.label(Label.PLAYERS_LIST)
+							.then(CommandNode.argument("target", this.target)
+									.label(Label.PLAYERS_LIST_TARGET)))
+					.then(CommandNode.literal("set")
+							.then(CommandNode.argument("targets", this.targets)
+									.then(CommandNode.argument("objective", this.objective)
+											.then(CommandNode.argument("score", this.score)
+													.label(Label.PLAYERS_SET_SCORE)))))
+					.then(CommandNode.literal("get")
+							.then(CommandNode.argument("target", this.target)
+									.then(CommandNode.argument("objective", this.objective)
+											.label(Label.PLAYERS_GET_SCORE))))
+					.then(CommandNode.literal("set")
+							.then(CommandNode.argument("targets", this.targets)
+									.then(CommandNode.argument("objective", this.objective)
+											.then(CommandNode.argument("score", this.score)
+													.label(Label.PLAYERS_SET_SCORE)))))
+					.then(CommandNode.literal("add")
+							.then(CommandNode.argument("targets", this.targets)
+									.then(CommandNode.argument("objective", this.objective)
+											.then(CommandNode.argument("score", this.score)
+													.label(Label.PLAYERS_ADD_SCORE)))))
+					.then(CommandNode.literal("remove")
+							.then(CommandNode.argument("targets", this.targets)
+									.then(CommandNode.argument("objective", this.objective)
+											.then(CommandNode.argument("score", this.score)
+													.label(Label.PLAYERS_REMOVE_SCORE)))))
+					.then(CommandNode.literal("reset")
+							.then(CommandNode.argument("targets", this.targets)
+									.then(CommandNode.argument("objective", this.objective)
+											.label(Label.PLAYERS_RESET_SCORE))))
+					.then(CommandNode.literal("enable")
+							.then(CommandNode.argument("targets", this.targets)
+									.label(Label.PLAYERS_ENABLE)
+									.then(CommandNode.argument("objective", this.objective)
+											.label(Label.PLAYERS_ENABLE_OBJECTIVE))))
+					.then(CommandNode.literal("operation")
+							.then(CommandNode.argument("targetObjective", this.objective)
+									.then(CommandNode.argument("operation", this.operation)
+											.then(CommandNode.argument("source", this.targets)
+													.then(CommandNode.argument("sourceObjective", this.sourceObjective)
+															.label(Label.PLAYERS_OPERATION)))))));
+	
+	public PrimitiveArgument<String> objective()
+	{
+		return this.objective;
+	}
+	
+	public PrimitiveArgument<String> criteria()
+	{
+		return this.criteria;
+	}
+	
+	public PrimitiveArgument<Component> displayName()
+	{
+		return this.displayName;
+	}
+	
+	public PrimitiveArgument<String> slot()
+	{
+		return this.slot;
+	}
+	
+	public PrimitiveArgument<RenderType> renderType()
+	{
+		return this.renderType;
+	}
+	
+	public TargetArgument target()
+	{
+		return this.target;
+	}
+	
+	public TargetArgument targets()
+	{
+		return this.targets;
+	}
+	
+	public PrimitiveArgument<Integer> score()
+	{
+		return this.score;
+	}
+	
+	public PrimitiveArgument<Operation> operation()
+	{
+		return this.operation;
+	}
+	
+	public PrimitiveArgument<String> sourceObjective()
+	{
+		return this.sourceObjective;
+	}
+	
+	@Override
+	protected CommandNodeLiteral root()
+	{
+		return this.root;
+	}
+	
+	public static enum Label
+	{
+		OBJECTIVES,
+		OBJECTIVES_ADD,
+		OBJECTIVES_ADD_DISPLAYNAME,
+		OBJECTIVES_MODIFY_DISPLAYNAME,
+		OBJECTIVES_MODIFY_RENDERTYPE,
+		OBJECTIVES_REMOVE,
+		OBJECTIVES_SETDISPLAY_SLOT,
+		OBJECTIVES_SETDISPLAY_SLOT_OBJECTIVE,
+		PLAYERS,
+		PLAYERS_LIST,
+		PLAYERS_LIST_TARGET,
+		PLAYERS_SET_SCORE,
+		PLAYERS_GET_SCORE,
+		PLAYERS_ADD_SCORE,
+		PLAYERS_REMOVE_SCORE,
+		PLAYERS_RESET_SCORE,
+		PLAYERS_ENABLE,
+		PLAYERS_ENABLE_OBJECTIVE,
+		PLAYERS_OPERATION;
+	}
+}

src/main/java/exopandora/worldhandler/builder/impl/SetBlockCommandBuilder.java

@@ -0,0 +1,49 @@
+package exopandora.worldhandler.builder.impl;
+
+import exopandora.worldhandler.builder.CommandBuilder;
+import exopandora.worldhandler.builder.CommandNode;
+import exopandora.worldhandler.builder.CommandNodeLiteral;
+import exopandora.worldhandler.builder.argument.Arguments;
+import exopandora.worldhandler.builder.argument.BlockPosArgument;
+import exopandora.worldhandler.builder.argument.BlockStateArgument;
+
+public class SetBlockCommandBuilder extends CommandBuilder
+{
+	private final BlockPosArgument pos = Arguments.blockPos();
+	private final BlockStateArgument block = Arguments.blockState();
+	
+	private final CommandNodeLiteral root = CommandNode.literal("setblock")
+			.then(CommandNode.argument("pos", this.pos)
+					.then(CommandNode.argument("block", this.block)
+							.label(Label.SETBLOCK)
+							.then(CommandNode.literal("destroy")
+									.label(Label.DESTROY))
+							.then(CommandNode.literal("keep")
+									.label(Label.KEEP))
+							.then(CommandNode.literal("replace")
+									.label(Label.REPLACE))));
+	
+	public BlockPosArgument pos()
+	{
+		return this.pos;
+	}
+	
+	public BlockStateArgument block()
+	{
+		return this.block;
+	}
+	
+	@Override
+	protected CommandNodeLiteral root()
+	{
+		return this.root;
+	}
+	
+	public static enum Label
+	{
+		SETBLOCK,
+		DESTROY,
+		KEEP,
+		REPLACE;
+	}
+}

src/main/java/exopandora/worldhandler/builder/impl/SetSpawnCommandBuilder.java

@@ -0,0 +1,52 @@
+package exopandora.worldhandler.builder.impl;
+
+import exopandora.worldhandler.builder.CommandBuilder;
+import exopandora.worldhandler.builder.CommandNode;
+import exopandora.worldhandler.builder.CommandNodeLiteral;
+import exopandora.worldhandler.builder.argument.AngleArgument;
+import exopandora.worldhandler.builder.argument.Arguments;
+import exopandora.worldhandler.builder.argument.BlockPosArgument;
+import exopandora.worldhandler.builder.argument.TargetArgument;
+
+public class SetSpawnCommandBuilder extends CommandBuilder
+{
+	private final TargetArgument targets = Arguments.target();
+	private final BlockPosArgument pos = Arguments.blockPos();
+	private final AngleArgument angle = Arguments.angle();
+	
+	private final CommandNodeLiteral root = CommandNode.literal("spawnpoint")
+			.then(CommandNode.argument("targets", this.targets)
+					.label(Label.SPAWNPOINT)
+					.then(CommandNode.argument("pos", this.pos)
+							.label(Label.SPAWNPOINT_POS)
+							.then(CommandNode.argument("angle", this.angle)
+									.label(Label.SPAWNPOINT_POS_ANGLE))));
+	
+	public TargetArgument targets()
+	{
+		return this.targets;
+	}
+	
+	public BlockPosArgument pos()
+	{
+		return this.pos;
+	}
+	
+	public AngleArgument angle()
+	{
+		return this.angle;
+	}
+	
+	@Override
+	protected CommandNodeLiteral root()
+	{
+		return this.root;
+	}
+	
+	public static enum Label
+	{
+		SPAWNPOINT,
+		SPAWNPOINT_POS,
+		SPAWNPOINT_POS_ANGLE;
+	}
+}

src/main/java/exopandora/worldhandler/builder/impl/SetWorldSpawnCommandBuilder.java

@@ -0,0 +1,44 @@
+package exopandora.worldhandler.builder.impl;
+
+import exopandora.worldhandler.builder.CommandBuilder;
+import exopandora.worldhandler.builder.CommandNode;
+import exopandora.worldhandler.builder.CommandNodeLiteral;
+import exopandora.worldhandler.builder.argument.AngleArgument;
+import exopandora.worldhandler.builder.argument.Arguments;
+import exopandora.worldhandler.builder.argument.BlockPosArgument;
+
+public class SetWorldSpawnCommandBuilder extends CommandBuilder
+{
+	private final BlockPosArgument pos = Arguments.blockPos();
+	private final AngleArgument angle = Arguments.angle();
+	
+	private final CommandNodeLiteral root = CommandNode.literal("setworldspawn")
+			.label(Label.SET_WORLD_SPAWN)
+			.then(CommandNode.argument("pos", this.pos)
+					.label(Label.SET_WORLD_SPAWN_POS)
+					.then(CommandNode.argument("angle", this.angle)
+							.label(Label.SET_WORLD_SPAWN_POS_ANGLE)));
+	
+	public BlockPosArgument pos()
+	{
+		return this.pos;
+	}
+	
+	public AngleArgument angle()
+	{
+		return this.angle;
+	}
+	
+	@Override
+	protected CommandNodeLiteral root()
+	{
+		return this.root;
+	}
+	
+	public static enum Label
+	{
+		SET_WORLD_SPAWN,
+		SET_WORLD_SPAWN_POS,
+		SET_WORLD_SPAWN_POS_ANGLE;
+	}
+}

src/main/java/exopandora/worldhandler/builder/impl/StopCommandBuilder.java

@@ -0,0 +1,14 @@
+package exopandora.worldhandler.builder.impl;
+
+public class StopCommandBuilder extends LiteralCommandBuilder
+{
+	public StopCommandBuilder()
+	{
+		super("stop", Label.STOP);
+	}
+	
+	public static enum Label
+	{
+		STOP;
+	}
+}

src/main/java/exopandora/worldhandler/builder/impl/SummonCommandBuilder.java

@@ -0,0 +1,52 @@
+package exopandora.worldhandler.builder.impl;
+
+import exopandora.worldhandler.builder.CommandBuilder;
+import exopandora.worldhandler.builder.CommandNode;
+import exopandora.worldhandler.builder.CommandNodeLiteral;
+import exopandora.worldhandler.builder.argument.Arguments;
+import exopandora.worldhandler.builder.argument.BlockPosArgument;
+import exopandora.worldhandler.builder.argument.EntitySummonArgument;
+import exopandora.worldhandler.builder.argument.TagArgument;
+
+public class SummonCommandBuilder extends CommandBuilder
+{
+	private final EntitySummonArgument entity = Arguments.entitySummon();
+	private final BlockPosArgument pos = Arguments.blockPos();
+	private final TagArgument nbt = Arguments.tag();
+	
+	private final CommandNodeLiteral root = CommandNode.literal("summon")
+			.then(CommandNode.argument("entity", this.entity)
+					.label(Label.SUMMON)
+					.then(CommandNode.argument("pos", this.pos)
+							.label(Label.SUMMON_POS)
+							.then(CommandNode.argument("nbt", this.nbt)
+									.label(Label.SUMMON_POS_NBT))));
+	
+	public EntitySummonArgument entity()
+	{
+		return this.entity;
+	}
+	
+	public BlockPosArgument pos()
+	{
+		return this.pos;
+	}
+	
+	public TagArgument nbt()
+	{
+		return this.nbt;
+	}
+	
+	@Override
+	protected CommandNodeLiteral root()
+	{
+		return this.root;
+	}
+	
+	public static enum Label
+	{
+		SUMMON,
+		SUMMON_POS,
+		SUMMON_POS_NBT;
+	}
+}

src/main/java/exopandora/worldhandler/builder/impl/TagCommandBuilder.java

@@ -0,0 +1,48 @@
+package exopandora.worldhandler.builder.impl;
+
+import exopandora.worldhandler.builder.CommandBuilder;
+import exopandora.worldhandler.builder.CommandNode;
+import exopandora.worldhandler.builder.CommandNodeLiteral;
+import exopandora.worldhandler.builder.argument.Arguments;
+import exopandora.worldhandler.builder.argument.PrimitiveArgument;
+import exopandora.worldhandler.builder.argument.TargetArgument;
+
+public class TagCommandBuilder extends CommandBuilder
+{
+	private final TargetArgument targets = Arguments.target();
+	private final PrimitiveArgument<String> name = Arguments.word();
+	
+	private final CommandNodeLiteral root = CommandNode.literal("tag")
+			.then(CommandNode.argument("targets", this.targets)
+					.then(CommandNode.literal("add")
+							.then(CommandNode.argument("name", this.name)
+									.label(Label.ADD)))
+					.then(CommandNode.literal("remove")
+							.then(CommandNode.argument("name", this.name)
+									.label(Label.REMOVE)))
+					.then(CommandNode.literal("list")
+							.label(Label.LIST)));
+	
+	public TargetArgument targets()
+	{
+		return this.targets;
+	}
+	
+	public PrimitiveArgument<String> name()
+	{
+		return this.name;
+	}
+	
+	@Override
+	protected CommandNodeLiteral root()
+	{
+		return this.root;
+	}
+	
+	public static enum Label
+	{
+		ADD,
+		REMOVE,
+		LIST;
+	}
+}

src/main/java/exopandora/worldhandler/builder/impl/TargetCommandBuilder.java

@@ -0,0 +1,31 @@
+package exopandora.worldhandler.builder.impl;
+
+import exopandora.worldhandler.builder.CommandBuilder;
+import exopandora.worldhandler.builder.CommandNode;
+import exopandora.worldhandler.builder.CommandNodeLiteral;
+import exopandora.worldhandler.builder.argument.Arguments;
+import exopandora.worldhandler.builder.argument.TargetArgument;
+
+public class TargetCommandBuilder extends CommandBuilder
+{
+	private final TargetArgument targets = Arguments.target();
+	private final CommandNodeLiteral root;
+	
+	public TargetCommandBuilder(String root, Object label)
+	{
+		this.root = CommandNode.literal(root)
+				.then(CommandNode.argument("targets", this.targets)
+						.label(label));
+	}
+	
+	public TargetArgument targets()
+	{
+		return this.targets;
+	}
+	
+	@Override
+	protected CommandNodeLiteral root()
+	{
+		return this.root;
+	}
+}

src/main/java/exopandora/worldhandler/builder/impl/TargetReasonCommandBuilder.java

@@ -0,0 +1,41 @@
+package exopandora.worldhandler.builder.impl;
+
+import exopandora.worldhandler.builder.CommandBuilder;
+import exopandora.worldhandler.builder.CommandNode;
+import exopandora.worldhandler.builder.CommandNodeLiteral;
+import exopandora.worldhandler.builder.argument.Arguments;
+import exopandora.worldhandler.builder.argument.PrimitiveArgument;
+import exopandora.worldhandler.builder.argument.TargetArgument;
+
+public class TargetReasonCommandBuilder<T> extends CommandBuilder
+{
+	private final TargetArgument targets = Arguments.target();
+	private final PrimitiveArgument<String> reason = Arguments.greedyString();
+	
+	private final CommandNodeLiteral root;
+	
+	public TargetReasonCommandBuilder(String root, T noReason, T reason)
+	{
+		this.root = CommandNode.literal(root)
+				.then(CommandNode.argument("targets", this.targets)
+						.label(noReason)
+						.then(CommandNode.argument("reason", this.reason)
+								.label(reason)));
+	}
+	
+	public TargetArgument targets()
+	{
+		return this.targets;
+	}
+	
+	public PrimitiveArgument<String> reason()
+	{
+		return this.reason;
+	}
+	
+	@Override
+	protected CommandNodeLiteral root()
+	{
+		return this.root;
+	}
+}

src/main/java/exopandora/worldhandler/builder/impl/TeamCommandBuilder.java

@@ -0,0 +1,91 @@
+package exopandora.worldhandler.builder.impl;
+
+import exopandora.worldhandler.builder.CommandBuilder;
+import exopandora.worldhandler.builder.CommandNode;
+import exopandora.worldhandler.builder.CommandNodeLiteral;
+import exopandora.worldhandler.builder.argument.Arguments;
+import exopandora.worldhandler.builder.argument.PrimitiveArgument;
+import exopandora.worldhandler.builder.argument.TargetArgument;
+import net.minecraft.network.chat.Component;
+
+public class TeamCommandBuilder extends CommandBuilder
+{
+	private final PrimitiveArgument<String> team = Arguments.word();
+	private final PrimitiveArgument<Component> displayName = Arguments.textComponent();
+	private final TargetArgument members = Arguments.target();
+	private final PrimitiveArgument<String> option = Arguments.word();
+	private final PrimitiveArgument<String> value = Arguments.string();
+	
+	private final CommandNodeLiteral root = CommandNode.literal("team")
+			.then(CommandNode.literal("add")
+					.then(CommandNode.argument("team", this.team)
+							.label(Label.ADD)
+							.then(CommandNode.argument("displayName", this.displayName)
+									.label(Label.ADD_DISPLAYNAME))))
+			.then(CommandNode.literal("empty")
+					.then(CommandNode.argument("team", this.team)
+							.label(Label.EMPTY)))
+			.then(CommandNode.literal("join")
+					.then(CommandNode.argument("team", this.team)
+							.then(CommandNode.argument("members", this.members)
+									.label(Label.JOIN))))
+			.then(CommandNode.literal("leave")
+					.then(CommandNode.argument("members", this.members)
+							.label(Label.LEAVE)))
+			.then(CommandNode.literal("list")
+					.label(Label.LIST)
+					.then(CommandNode.argument("team", this.team)
+							.label(Label.LIST_TEAM)))
+			.then(CommandNode.literal("modify")
+					.then(CommandNode.argument("team", this.team)
+							.then(CommandNode.argument("option", this.option)
+									.then(CommandNode.argument("value", this.value)
+											.label(Label.MODIFY)))))
+			.then(CommandNode.literal("remove")
+					.then(CommandNode.argument("team", this.team)
+							.label(Label.REMOVE)));
+	
+	public PrimitiveArgument<String> team()
+	{
+		return this.team;
+	}
+	
+	public PrimitiveArgument<Component> displayName()
+	{
+		return this.displayName;
+	}
+	
+	public TargetArgument members()
+	{
+		return this.members;
+	}
+	
+	public PrimitiveArgument<String> option()
+	{
+		return this.option;
+	}
+	
+	public PrimitiveArgument<String> value()
+	{
+		return this.value;
+	}
+	
+	@Override
+	protected CommandNodeLiteral root()
+	{
+		return this.root;
+	}
+	
+	public static enum Label
+	{
+		ADD,
+		ADD_DISPLAYNAME,
+		EMPTY,
+		JOIN,
+		LEAVE,
+		LIST,
+		LIST_TEAM,
+		MODIFY,
+		REMOVE;
+	}
+}

src/main/java/exopandora/worldhandler/builder/impl/TimeCommandBuilder.java

@@ -0,0 +1,59 @@
+package exopandora.worldhandler.builder.impl;
+
+import exopandora.worldhandler.builder.CommandBuilder;
+import exopandora.worldhandler.builder.CommandNode;
+import exopandora.worldhandler.builder.CommandNodeLiteral;
+import exopandora.worldhandler.builder.argument.Arguments;
+import exopandora.worldhandler.builder.argument.TimeArgument;
+
+public class TimeCommandBuilder extends CommandBuilder
+{
+	private final TimeArgument time = Arguments.time();
+	
+	private final CommandNodeLiteral root = CommandNode.literal("time")
+			.then(CommandNode.literal("add")
+					.then(CommandNode.argument("time", this.time)
+							.label(Label.ADD)))
+			.then(CommandNode.literal("query")
+					.then(CommandNode.literal("day")
+							.label(Label.QUERY_DAY))
+					.then(CommandNode.literal("daytime")
+							.label(Label.QUERY_DAYTIME))
+					.then(CommandNode.literal("gametime")
+							.label(Label.QUERY_GAMETIME)))
+			.then(CommandNode.literal("set")
+					.then(CommandNode.argument("time", this.time)
+							.label(Label.SET))
+					.then(CommandNode.literal("day")
+							.label(Label.SET_DAY))
+					.then(CommandNode.literal("midnight")
+							.label(Label.SET_MIDNIGHT))
+					.then(CommandNode.literal("night")
+							.label(Label.SET_NIGHT))
+					.then(CommandNode.literal("noon")
+							.label(Label.SET_NOON)));
+	
+	public TimeArgument time()
+	{
+		return this.time;
+	}
+	
+	@Override
+	protected CommandNodeLiteral root()
+	{
+		return this.root;
+	}
+	
+	public static enum Label
+	{
+		ADD,
+		QUERY_DAY,
+		QUERY_DAYTIME,
+		QUERY_GAMETIME,
+		SET,
+		SET_DAY,
+		SET_MIDNIGHT,
+		SET_NIGHT,
+		SET_NOON;
+	}
+}

src/main/java/exopandora/worldhandler/builder/impl/TriggerCommandBuilder.java

@@ -0,0 +1,44 @@
+package exopandora.worldhandler.builder.impl;
+
+import exopandora.worldhandler.builder.CommandBuilder;
+import exopandora.worldhandler.builder.CommandNode;
+import exopandora.worldhandler.builder.CommandNodeLiteral;
+import exopandora.worldhandler.builder.argument.Arguments;
+import exopandora.worldhandler.builder.argument.PrimitiveArgument;
+
+public class TriggerCommandBuilder extends CommandBuilder
+{
+	private final PrimitiveArgument<String> objective = Arguments.word();
+	private final PrimitiveArgument<Integer> value = Arguments.intArg();
+	
+	private final CommandNodeLiteral root = CommandNode.literal("trigger")
+			.then(CommandNode.argument("objective", this.objective)
+					.then(CommandNode.literal("add")
+							.then(CommandNode.argument("value", this.value)
+									.label(Label.ADD)))
+					.then(CommandNode.literal("set")
+							.then(CommandNode.argument("value", this.value)
+									.label(Label.SET))));
+	
+	public PrimitiveArgument<String> objective()
+	{
+		return this.objective;
+	}
+	
+	public PrimitiveArgument<Integer> value()
+	{
+		return this.value;
+	}
+	
+	@Override
+	protected CommandNodeLiteral root()
+	{
+		return this.root;
+	}
+	
+	public static enum Label
+	{
+		ADD,
+		SET;
+	}
+}

src/main/java/exopandora/worldhandler/builder/impl/UsercontentCommandBuilder.java

@@ -0,0 +1,94 @@
+package exopandora.worldhandler.builder.impl;
+
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+import javax.annotation.Nullable;
+
+import exopandora.worldhandler.builder.CommandBuilder;
+import exopandora.worldhandler.builder.CommandNode;
+import exopandora.worldhandler.builder.CommandNodeLiteral;
+import exopandora.worldhandler.builder.argument.IDeserializableArgument;
+import exopandora.worldhandler.usercontent.factory.ArgumentFactory;
+import exopandora.worldhandler.usercontent.model.ArgumentType;
+import exopandora.worldhandler.usercontent.model.JsonArgument;
+
+public class UsercontentCommandBuilder extends CommandBuilder
+{
+	private final Map<String, IDeserializableArgument> arguments = new HashMap<String, IDeserializableArgument>();
+	private final Set<IDeserializableArgument> player = new HashSet<IDeserializableArgument>();
+	private final CommandNodeLiteral root;
+	private final String label;
+	
+	public UsercontentCommandBuilder(JsonArgument argument, String label)
+	{
+		this.root = CommandNode.literal(argument.getName()).label(argument.getLabel());
+		this.label = label;
+		this.createChildren(this.root, argument.getChildren());
+	}
+	
+	private void createChildren(CommandNode<?> root, List<JsonArgument> children)
+	{
+		if(children != null)
+		{
+			for(JsonArgument child : children)
+			{
+				CommandNode<?> node = this.createNode(child);
+				this.createChildren(node, child.getChildren());
+				root.then(node);
+			}
+		}
+	}
+	
+	private CommandNode<?> createNode(JsonArgument json)
+	{
+		if(json.getType() == null)
+		{
+			return CommandNode.literal(json.getName()).label(json.getLabel());
+		}
+		
+		IDeserializableArgument argument = this.arguments.computeIfAbsent(json.getName(), key -> ArgumentFactory.createArgument(json));
+		
+		if(ArgumentType.PLAYER.equals(json.getType()))
+		{
+			this.player.add(argument);
+		}
+		
+		return CommandNode.argument(json.getName(), argument).label(json.getLabel());
+	}
+	
+	public String getLabel()
+	{
+		return label;
+	}
+	
+	public void setPlayerName(String username)
+	{
+		this.player.forEach(argument -> argument.deserialize(username));
+	}
+	
+	@Nullable
+	public IDeserializableArgument getArgument(String name)
+	{
+		return this.arguments.get(name);
+	}
+	
+	public void setArgument(String key, String value)
+	{
+		IDeserializableArgument argument = this.arguments.get(key);
+		
+		if(argument != null)
+		{
+			argument.deserialize(value);
+		}
+	}
+	
+	@Override
+	protected CommandNodeLiteral root()
+	{
+		return this.root;
+	}
+}

src/main/java/exopandora/worldhandler/builder/impl/WHCommandBuilder.java

@@ -0,0 +1,64 @@
+package exopandora.worldhandler.builder.impl;
+
+import exopandora.worldhandler.builder.CommandBuilder;
+import exopandora.worldhandler.builder.CommandNode;
+import exopandora.worldhandler.builder.CommandNodeLiteral;
+import exopandora.worldhandler.builder.argument.Arguments;
+import exopandora.worldhandler.builder.argument.BlockPredicateArgument;
+import exopandora.worldhandler.builder.argument.BlockStateArgument;
+
+public class WHCommandBuilder extends CommandBuilder
+{
+	private final BlockStateArgument block = Arguments.blockState();
+	private final BlockPredicateArgument filter = Arguments.blockPredicate();
+	
+	private final CommandNodeLiteral root = CommandNode.literal("wh")
+			.then(CommandNode.literal("clone")
+					.label(Label.CLONE)
+					.then(CommandNode.literal("filtered")
+							.then(CommandNode.argument("filter", this.filter)
+									.label(Label.CLONE_FILTERED)))
+					.then(CommandNode.literal("masked")
+							.label(Label.CLONE_MASKED))
+					.then(CommandNode.literal("replace")
+							.label(Label.CLONE_REPLACE)))
+			.then(CommandNode.literal("fill")
+					.then(CommandNode.argument("block", this.block)
+							.label(Label.FILL)))
+			.then(CommandNode.literal("pos1")
+					.label(Label.POS1))
+			.then(CommandNode.literal("pos2")
+					.label(Label.POS2))
+			.then(CommandNode.literal("replace")
+					.then(CommandNode.argument("block", this.block)
+							.then(CommandNode.argument("filter", this.filter)
+									.label(Label.REPLACE))));
+	
+	public BlockStateArgument block()
+	{
+		return this.block;
+	}
+	
+	public BlockPredicateArgument filter()
+	{
+		return this.filter;
+	}
+	
+	@Override
+	protected CommandNodeLiteral root()
+	{
+		return this.root;
+	}
+	
+	public static enum Label
+	{
+		CLONE,
+		CLONE_FILTERED,
+		CLONE_MASKED,
+		CLONE_REPLACE,
+		FILL,
+		POS1,
+		POS2,
+		REPLACE;
+	}
+}

src/main/java/exopandora/worldhandler/builder/impl/WeatherCommandBuilder.java

@@ -0,0 +1,29 @@
+package exopandora.worldhandler.builder.impl;
+
+import exopandora.worldhandler.builder.CommandBuilder;
+import exopandora.worldhandler.builder.CommandNode;
+import exopandora.worldhandler.builder.CommandNodeLiteral;
+
+public class WeatherCommandBuilder extends CommandBuilder
+{
+	private final CommandNodeLiteral root = CommandNode.literal("weather")
+			.then(CommandNode.literal("clear")
+					.label(Label.CLEAR))
+			.then(CommandNode.literal("rain")
+					.label(Label.RAIN))
+			.then(CommandNode.literal("thunder")
+					.label(Label.THUNDER));
+	
+	@Override
+	protected CommandNodeLiteral root()
+	{
+		return this.root;
+	}
+	
+	public static enum Label
+	{
+		CLEAR,
+		RAIN,
+		THUNDER;
+	}
+}

src/main/java/exopandora/worldhandler/builder/impl/WhitelistCommandBuilder.java

@@ -0,0 +1,49 @@
+package exopandora.worldhandler.builder.impl;
+
+import exopandora.worldhandler.builder.CommandBuilder;
+import exopandora.worldhandler.builder.CommandNode;
+import exopandora.worldhandler.builder.CommandNodeLiteral;
+import exopandora.worldhandler.builder.argument.Arguments;
+import exopandora.worldhandler.builder.argument.TargetArgument;
+
+public class WhitelistCommandBuilder extends CommandBuilder
+{
+	private final TargetArgument targets = Arguments.target();
+	
+	private final CommandNodeLiteral root = CommandNode.literal("whitelist")
+			.then(CommandNode.literal("add")
+					.then(CommandNode.argument("target", this.targets)
+							.label(Label.ADD)))
+			.then(CommandNode.literal("remove")
+					.then(CommandNode.argument("target", this.targets)
+							.label(Label.REMOVE)))
+			.then(CommandNode.literal("reload")
+					.label(Label.RELOAD))
+			.then(CommandNode.literal("on")
+					.label(Label.ON))
+			.then(CommandNode.literal("off")
+					.label(Label.OFF))
+			.then(CommandNode.literal("list")
+					.label(Label.LIST));
+	
+	public TargetArgument targets()
+	{
+		return this.targets;
+	}
+	
+	@Override
+	protected CommandNodeLiteral root()
+	{
+		return this.root;
+	}
+	
+	public static enum Label
+	{
+		ADD,
+		REMOVE,
+		RELOAD,
+		ON,
+		OFF,
+		LIST;
+	}
+}

src/main/java/exopandora/worldhandler/builder/impl/WorldHandlerCommandBuilder.java

@@ -0,0 +1,29 @@
+package exopandora.worldhandler.builder.impl;
+
+import exopandora.worldhandler.builder.CommandBuilder;
+import exopandora.worldhandler.builder.CommandNode;
+import exopandora.worldhandler.builder.CommandNodeLiteral;
+
+public class WorldHandlerCommandBuilder extends CommandBuilder
+{
+	private final CommandNodeLiteral root = CommandNode.literal("worldhandler")
+			.then(CommandNode.literal("help")
+					.label(Label.HELP))
+			.then(CommandNode.literal("display")
+					.label(Label.DISPLAY))
+			.then(CommandNode.literal("version")
+					.label(Label.VERSION));
+	
+	@Override
+	protected CommandNodeLiteral root()
+	{
+		return this.root;
+	}
+	
+	public static enum Label
+	{
+		HELP,
+		DISPLAY,
+		VERSION;
+	}
+}

src/main/java/exopandora/worldhandler/gui/content/impl/ContentEditBlocks.java

@@ -119,7 +119,7 @@ public class ContentEditBlocks extends Content
 		this.block2Field.setResponder(text ->
 		{
 			this.block2 = text;
-			this.builderFill.filter().deserialize(this.block2); //TODO block2 = filter ???
+			this.builderFill.filter().deserialize(this.block2);
 			container.initButtons();
 		});
 		

src/main/java/exopandora/worldhandler/usercontent/factory/ArgumentFactory.java

@@ -0,0 +1,72 @@
+package exopandora.worldhandler.usercontent.factory;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.function.Supplier;
+
+import javax.annotation.Nullable;
+
+import exopandora.worldhandler.builder.argument.Arguments;
+import exopandora.worldhandler.builder.argument.IDeserializableArgument;
+import exopandora.worldhandler.usercontent.model.ArgumentType;
+import exopandora.worldhandler.usercontent.model.JsonArgument;
+
+public class ArgumentFactory
+{
+	private static final Map<ArgumentType, Supplier<IDeserializableArgument>> FACTORY = new HashMap<ArgumentType, Supplier<IDeserializableArgument>>();
+	
+	static
+	{
+		FACTORY.put(ArgumentType.SHORT, Arguments::shortArg);
+		FACTORY.put(ArgumentType.BYTE, Arguments::byteArg);
+		FACTORY.put(ArgumentType.INT, Arguments::intArg);
+		FACTORY.put(ArgumentType.FLOAT, Arguments::floatArg);
+		FACTORY.put(ArgumentType.DOUBLE, Arguments::doubleArg);
+		FACTORY.put(ArgumentType.LONG, Arguments::longArg);
+		FACTORY.put(ArgumentType.BOOLEAN, Arguments::boolArg);
+		FACTORY.put(ArgumentType.WORD, Arguments::word);
+		FACTORY.put(ArgumentType.STRING, Arguments::string);
+		FACTORY.put(ArgumentType.GREEDY_STRING, Arguments::greedyString);
+		FACTORY.put(ArgumentType.RESOURCE_LOCATION, Arguments::resourceLocation);
+		FACTORY.put(ArgumentType.ITEM, Arguments::item);
+		FACTORY.put(ArgumentType.BLOCKSTATE, Arguments::blockState);
+		FACTORY.put(ArgumentType.BLOCKPREDICATE, Arguments::blockPredicate);
+		FACTORY.put(ArgumentType.NBT, Arguments::tag);
+		FACTORY.put(ArgumentType.COORDINATE_INT, Arguments::intCoordinate);
+		FACTORY.put(ArgumentType.COORDINATE_DOUBLE, Arguments::doubleCoordinate);
+		FACTORY.put(ArgumentType.PLAYER, Arguments::word);
+		FACTORY.put(ArgumentType.RANGE_INT, Arguments::intRange);
+		FACTORY.put(ArgumentType.RANGE_DOUBLE, Arguments::doubleRange);
+		FACTORY.put(ArgumentType.ANGLE, Arguments::angle);
+		FACTORY.put(ArgumentType.ENCHANTMENT, Arguments::enchantment);
+		FACTORY.put(ArgumentType.ENTITY, Arguments::entitySummon);
+		FACTORY.put(ArgumentType.GAMEMODE, Arguments::gamemode);
+		FACTORY.put(ArgumentType.TIME, Arguments::time);
+		FACTORY.put(ArgumentType.EFFECT, Arguments::effect);
+		FACTORY.put(ArgumentType.AXIS, Arguments::axis);
+		FACTORY.put(ArgumentType.ANCHOR, Arguments::anchor);
+		FACTORY.put(ArgumentType.DIFFICULTY, Arguments::difficulty);
+		FACTORY.put(ArgumentType.RENDER_TYPE, Arguments::renderType);
+		FACTORY.put(ArgumentType.OPERATION, Arguments::operation);
+		FACTORY.put(ArgumentType.TEXT_COMPONENT, Arguments::textComponent);
+		FACTORY.put(ArgumentType.RELATION, Arguments::relation);
+		FACTORY.put(ArgumentType.TYPE, Arguments::type);
+		FACTORY.put(ArgumentType.LINKAGE, Arguments::linkage);
+		FACTORY.put(ArgumentType.NBT_PATH, Arguments::nbtPath);
+		FACTORY.put(ArgumentType.ITEM_PREDICATE, Arguments::itemPredicate);
+		FACTORY.put(ArgumentType.CRITERIA, Arguments::criteria);
+	}
+	
+	@Nullable
+	public static IDeserializableArgument createArgument(JsonArgument json)
+	{
+		Supplier<IDeserializableArgument> supplier = FACTORY.get(json.getType());
+		
+		if(supplier == null)
+		{
+			return null;
+		}
+		
+		return supplier.get();
+	}
+}

src/main/java/exopandora/worldhandler/usercontent/model/ArgumentType.java

@@ -0,0 +1,49 @@
+package exopandora.worldhandler.usercontent.model;
+
+public enum ArgumentType
+{
+	SHORT,
+	BYTE,
+	INT,
+	FLOAT,
+	DOUBLE,
+	LONG,
+	BOOLEAN,
+	WORD,
+	STRING,
+	GREEDY_STRING,
+	RESOURCE_LOCATION,
+	ITEM,
+	BLOCKSTATE,
+	BLOCKPREDICATE,
+	NBT,
+	COORDINATE_INT,
+	COORDINATE_DOUBLE,
+	PLAYER,
+	RANGE_INT,
+	RANGE_DOUBLE,
+	ANGLE,
+	ENCHANTMENT,
+	ENTITY,
+	GAMEMODE,
+	TIME,
+	EFFECT,
+	AXIS,
+	ANCHOR,
+	DIFFICULTY,
+	RENDER_TYPE,
+	OPERATION,
+	TEXT_COMPONENT,
+	RELATION,
+	TYPE,
+	LINKAGE,
+	NBT_PATH,
+	ITEM_PREDICATE,
+	CRITERIA;
+	
+	@Override
+	public String toString()
+	{
+		return this.name().toLowerCase();
+	}
+}

src/main/java/exopandora/worldhandler/usercontent/model/JsonArgument.java

@@ -0,0 +1,122 @@
+package exopandora.worldhandler.usercontent.model;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import com.google.gson.annotations.SerializedName;
+
+public class JsonArgument
+{
+	@SerializedName("name")
+	private String name;
+	
+	@SerializedName("label")
+	private String label;
+	
+	@SerializedName("type")
+	private ArgumentType type;
+	
+	@SerializedName("children")
+	private List<JsonArgument> children;
+	
+	public JsonArgument(String name, String label, ArgumentType type, List<JsonArgument> children)
+	{
+		this.name = name;
+		this.label = label;
+		this.type = type;
+		this.children = children;
+	}
+	
+	public String getName()
+	{
+		return this.name;
+	}
+	
+	public void setName(String name)
+	{
+		this.name = name;
+	}
+	
+	public String getLabel()
+	{
+		return this.label;
+	}
+	
+	public void setLabel(String label)
+	{
+		this.label = label;
+	}
+	
+	public ArgumentType getType()
+	{
+		return this.type;
+	}
+	
+	public void setType(ArgumentType type)
+	{
+		this.type = type;
+	}
+	
+	public List<JsonArgument> getChildren()
+	{
+		return this.children;
+	}
+	
+	public void setChildren(List<JsonArgument> children)
+	{
+		this.children = children;
+	}
+	
+	public void validate()
+	{
+		this.validate(this.name, new HashMap<String, ArgumentType>());
+	}
+	
+	private void validate(String path, Map<String, ArgumentType> typeMap)
+	{
+		if(this.name == null)
+		{
+			throw new IllegalStateException("Argument in path \"" + path + "\" has no name");
+		}
+		
+		if(this.children == null)
+		{
+			return;
+		}
+		
+		List<ArgumentType> types = new ArrayList<ArgumentType>();
+		List<String> names = new ArrayList<String>();
+		
+		for(JsonArgument child : this.children)
+		{
+			if(child.getType() != null)
+			{
+				if(types.contains(child.getType()))
+				{
+					throw new IllegalStateException("\"" + path + "\" contains two or more branches with the same argument type \"" + child.getType() + "\"");
+				}
+				
+				types.add(child.getType());
+			}
+			
+			if(names.contains(child.getName()))
+			{
+				throw new IllegalStateException("\"" + path + "\" contains two or more branches with the same argument name \"" + child.getName() + "\"");
+			}
+			
+			if(child.getType() != null)
+			{
+				if(typeMap.containsKey(child.getName()) && !child.getType().equals(typeMap.get(child.getName())))
+				{
+					throw new IllegalStateException("\"" + path + "\" expects a different type for argument \"" + child.getName() + "\"");
+				}
+				
+				typeMap.put(child.getName(), child.getType());
+			}
+			
+			child.validate(path + "/" + child.getName(), typeMap);
+		}
+	}
+}

src/main/java/exopandora/worldhandler/util/BlockPlacingMode.java

@@ -0,0 +1,14 @@
+package exopandora.worldhandler.util;
+
+public enum BlockPlacingMode
+{
+	KEEP,
+	REPLACE,
+	DESTROY;
+	
+	@Override
+	public String toString()
+	{
+		return this.name().toLowerCase();
+	}
+}

src/main/java/exopandora/worldhandler/util/Util.java

@@ -0,0 +1,39 @@
+package exopandora.worldhandler.util;
+
+import javax.annotation.Nullable;
+
+public class Util
+{
+	@Nullable
+	public static String serializeBounds(@Nullable Number minBound, @Nullable Number maxBound)
+	{
+		boolean min = minBound != null;
+		boolean max = maxBound != null;
+		
+		if(min && max && minBound.equals(maxBound))
+		{
+			return minBound.toString();
+		}
+		
+		if(min || max)
+		{
+			StringBuilder builder = new StringBuilder();
+			
+			if(min)
+			{
+				builder.append(minBound);
+			}
+			
+			builder.append("..");
+			
+			if(max)
+			{
+				builder.append(maxBound);
+			}
+			
+			return builder.toString();
+		}
+		
+		return null;
+	}
+}