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Java 8, FunctionalInterface remapper
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@ -3,17 +3,18 @@ package us.myles.ViaVersion.api.remapper;
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import us.myles.ViaVersion.api.PacketWrapper;
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import us.myles.ViaVersion.api.PacketWrapper;
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import us.myles.ViaVersion.exception.InformativeException;
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import us.myles.ViaVersion.exception.InformativeException;
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public abstract class PacketHandler implements ValueWriter {
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@FunctionalInterface
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public interface PacketHandler extends ValueWriter {
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/**
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/**
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* Handle a packet
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* Handle a packet
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*
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*
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* @param wrapper The associated wrapper
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* @param wrapper The associated wrapper
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* @throws Exception Throws exception if it failed to handle the packet
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* @throws Exception Throws exception if it failed to handle the packet
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*/
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*/
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public abstract void handle(PacketWrapper wrapper) throws Exception;
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void handle(PacketWrapper wrapper) throws Exception;
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@Override
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@Override
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public void write(PacketWrapper writer, Object inputValue) throws Exception {
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default void write(PacketWrapper writer, Object inputValue) throws Exception {
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try {
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try {
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handle(writer);
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handle(writer);
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} catch (InformativeException e) {
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} catch (InformativeException e) {
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@ -7,6 +7,7 @@ import us.myles.ViaVersion.exception.InformativeException;
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import java.util.ArrayList;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.List;
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import java.util.function.Function;
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public abstract class PacketRemapper {
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public abstract class PacketRemapper {
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private final List<Pair<ValueReader, ValueWriter>> valueRemappers = new ArrayList<>();
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private final List<Pair<ValueReader, ValueWriter>> valueRemappers = new ArrayList<>();
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@ -35,6 +36,36 @@ public abstract class PacketRemapper {
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map(new TypeRemapper(oldType), new TypeRemapper(newType));
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map(new TypeRemapper(oldType), new TypeRemapper(newType));
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}
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}
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/**
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* Map a type from an old type to a transformed new type.
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*
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* @param oldType The old type
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* @param <T1> The old return type.
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* @param newType The new type
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* @param <T2> The new return type.
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* @param transformer The transformer to use to produce the new type.
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*/
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public <T1, T2> void map(Type<T1> oldType, Type<T2> newType, Function<T1, T2> transformer) {
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map(new TypeRemapper<>(oldType), new ValueTransformer<T1, T2>(newType) {
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@Override
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public T2 transform(PacketWrapper wrapper, T1 inputValue) throws Exception {
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return transformer.apply(inputValue);
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}
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});
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}
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/**
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* Map a type from an old type to a transformed new type.
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*
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* @param <T1> The old return type.
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* @param transformer The transformer to use to produce the new type.
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* @param <T2> The new return type.
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*/
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public <T1, T2> void map(ValueTransformer<T1, T2> transformer) {
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if (transformer.getInputType() == null) throw new IllegalArgumentException("Use map(Type<T1>, ValueTransformer<T1, T2>) for value transformers without specified input type!");
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map(transformer.getInputType(), transformer);
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}
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/**
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/**
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* Map a type from an old type to a transformed new type.
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* Map a type from an old type to a transformed new type.
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*
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*
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@ -55,7 +86,7 @@ public abstract class PacketRemapper {
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* @param <T> The return type
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* @param <T> The return type
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*/
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*/
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public <T> void map(ValueReader<T> inputReader, ValueWriter<T> outputWriter) {
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public <T> void map(ValueReader<T> inputReader, ValueWriter<T> outputWriter) {
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valueRemappers.add(new Pair<ValueReader, ValueWriter>(inputReader, outputWriter));
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valueRemappers.add(new Pair<>(inputReader, outputWriter));
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}
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}
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/**
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/**
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@ -3,17 +3,18 @@ package us.myles.ViaVersion.api.remapper;
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import us.myles.ViaVersion.api.PacketWrapper;
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import us.myles.ViaVersion.api.PacketWrapper;
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import us.myles.ViaVersion.exception.InformativeException;
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import us.myles.ViaVersion.exception.InformativeException;
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public abstract class ValueCreator implements ValueWriter {
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@FunctionalInterface
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public interface ValueCreator extends ValueWriter {
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/**
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/**
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* Write new values to a Packet.
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* Write new values to a Packet.
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*
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*
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* @param wrapper The packet to write to
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* @param wrapper The packet to write to
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* @throws Exception Throws exception if it fails to write.
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* @throws Exception Throws exception if it fails to write.
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*/
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*/
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public abstract void write(PacketWrapper wrapper) throws Exception;
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void write(PacketWrapper wrapper) throws Exception;
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@Override
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@Override
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public void write(PacketWrapper writer, Object inputValue) throws Exception {
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default void write(PacketWrapper writer, Object inputValue) throws Exception {
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try {
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try {
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write(writer);
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write(writer);
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} catch (InformativeException e) {
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} catch (InformativeException e) {
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@ -2,6 +2,7 @@ package us.myles.ViaVersion.api.remapper;
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import us.myles.ViaVersion.api.PacketWrapper;
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import us.myles.ViaVersion.api.PacketWrapper;
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@FunctionalInterface
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public interface ValueReader<T> {
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public interface ValueReader<T> {
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/**
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/**
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* Reads value from a PacketWrapper
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* Reads value from a PacketWrapper
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@ -1,16 +1,24 @@
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package us.myles.ViaVersion.api.remapper;
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package us.myles.ViaVersion.api.remapper;
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import lombok.Getter;
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import us.myles.ViaVersion.api.PacketWrapper;
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import us.myles.ViaVersion.api.PacketWrapper;
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import us.myles.ViaVersion.api.type.Type;
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import us.myles.ViaVersion.api.type.Type;
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import us.myles.ViaVersion.exception.InformativeException;
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import us.myles.ViaVersion.exception.InformativeException;
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public abstract class ValueTransformer<T1, T2> implements ValueWriter<T1> {
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public abstract class ValueTransformer<T1, T2> implements ValueWriter<T1> {
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@Getter
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private final Type<T1> inputType;
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private final Type<T2> outputType;
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private final Type<T2> outputType;
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public ValueTransformer(Type<T2> outputType) {
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public ValueTransformer(Type<T1> inputType, Type<T2> outputType) {
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this.inputType = inputType;
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this.outputType = outputType;
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this.outputType = outputType;
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}
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}
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public ValueTransformer(Type<T2> outputType) {
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this(null, outputType);
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}
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/**
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/**
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* Transform a value from one type to another
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* Transform a value from one type to another
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*
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*
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@ -2,6 +2,7 @@ package us.myles.ViaVersion.api.remapper;
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import us.myles.ViaVersion.api.PacketWrapper;
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import us.myles.ViaVersion.api.PacketWrapper;
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@FunctionalInterface
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public interface ValueWriter<T> {
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public interface ValueWriter<T> {
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/**
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/**
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* Write a value to a packet
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* Write a value to a packet
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@ -5,7 +5,7 @@ import us.myles.ViaVersion.api.remapper.PacketHandler;
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import us.myles.ViaVersion.api.type.Type;
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import us.myles.ViaVersion.api.type.Type;
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import us.myles.ViaVersion.protocols.protocol1_9to1_8.storage.MovementTracker;
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import us.myles.ViaVersion.protocols.protocol1_9to1_8.storage.MovementTracker;
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public class PlayerMovementMapper extends PacketHandler {
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public class PlayerMovementMapper implements PacketHandler {
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@Override
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@Override
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public void handle(PacketWrapper wrapper) throws Exception {
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public void handle(PacketWrapper wrapper) throws Exception {
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MovementTracker tracker = wrapper.user().get(MovementTracker.class);
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MovementTracker tracker = wrapper.user().get(MovementTracker.class);
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4
pom.xml
4
pom.xml
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<projectEncoding>UTF-8</projectEncoding>
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<projectEncoding>UTF-8</projectEncoding>
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<project.build.sourceEncoding>${projectEncoding}</project.build.sourceEncoding>
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<project.build.sourceEncoding>${projectEncoding}</project.build.sourceEncoding>
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<project.build.outputEncoding>${projectEncoding}</project.build.outputEncoding>
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<project.build.outputEncoding>${projectEncoding}</project.build.outputEncoding>
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<maven.compiler.source>1.7</maven.compiler.source>
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<maven.compiler.source>1.8</maven.compiler.source>
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<maven.compiler.target>1.7</maven.compiler.target>
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<maven.compiler.target>1.8</maven.compiler.target>
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</properties>
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</properties>
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<repositories>
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<repositories>
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