162 lines
8.7 KiB
Java
162 lines
8.7 KiB
Java
package us.myles.ViaVersion.protocols.protocol1_9to1_8.metadata;
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import org.bukkit.entity.EntityType;
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import org.bukkit.util.EulerAngle;
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import org.bukkit.util.Vector;
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import us.myles.ViaVersion.ViaVersionPlugin;
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import us.myles.ViaVersion.api.ViaVersion;
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import us.myles.ViaVersion.api.minecraft.item.Item;
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import us.myles.ViaVersion.api.minecraft.metadata.Metadata;
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import us.myles.ViaVersion.protocols.protocol1_9to1_8.ItemRewriter;
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import us.myles.ViaVersion.protocols.protocol1_9to1_8.Protocol1_9TO1_8;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.UUID;
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public class MetadataRewriter {
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public static void transform(EntityType type, List<Metadata> list) {
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short id = -1;
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int data = -1;
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for (Metadata entry : new ArrayList<>(list)) {
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MetaIndex metaIndex = MetaIndex.getIndex(type, entry.getId());
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try {
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if (metaIndex != null) {
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if (metaIndex.getNewType() != NewType.Discontinued) {
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if (metaIndex.getNewType() != NewType.BlockID || id != -1 && data == -1 || id == -1 && data != -1) { // block ID is only written if we have both parts
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entry.setId(metaIndex.getNewIndex());
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entry.setTypeID(metaIndex.getNewType().getTypeID());
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}
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Object value = entry.getValue();
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switch (metaIndex.getNewType()) {
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case Byte:
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entry.setType(us.myles.ViaVersion.api.type.Type.BYTE);
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// convert from int, byte
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if (metaIndex.getOldType() == Type.Byte) {
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entry.setValue(value);
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}
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if (metaIndex.getOldType() == Type.Int) {
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entry.setValue(((Integer) value).byteValue());
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}
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// After writing the last one
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if (metaIndex == MetaIndex.ENTITY_STATUS && type == EntityType.PLAYER) {
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Byte val = 0;
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if ((((Byte) value) & 0x10) == 0x10) { // Player eating/aiming/drinking
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val = 1;
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}
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int newIndex = MetaIndex.PLAYER_HAND.getNewIndex();
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int typeID = MetaIndex.PLAYER_HAND.getNewType().getTypeID();
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Metadata metadata = new Metadata(newIndex, typeID, us.myles.ViaVersion.api.type.Type.BYTE, val);
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list.add(metadata);
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}
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break;
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case OptUUID:
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entry.setType(us.myles.ViaVersion.api.type.Type.OPTIONAL_UUID);
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String owner = (String) value;
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UUID toWrite = null;
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if (owner.length() != 0) {
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try {
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toWrite = UUID.fromString(owner);
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} catch (Exception ignored) {
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}
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}
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entry.setValue(toWrite);
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break;
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case BlockID:
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entry.setType(us.myles.ViaVersion.api.type.Type.VAR_INT);
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// if we have both sources :))
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if (metaIndex.getOldType() == Type.Byte) {
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data = (Byte) value;
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}
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if (metaIndex.getOldType() == Type.Short) {
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id = (Short) value;
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}
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if (id != -1 && data != -1) {
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int combined = id << 4 | data;
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data = -1;
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id = -1;
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entry.setValue(combined);
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} else {
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list.remove(entry);
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}
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break;
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case VarInt:
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entry.setType(us.myles.ViaVersion.api.type.Type.VAR_INT);
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// convert from int, short, byte
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if (metaIndex.getOldType() == Type.Byte) {
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entry.setValue(((Byte) value).intValue());
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}
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if (metaIndex.getOldType() == Type.Short) {
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entry.setValue(((Short) value).intValue());
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}
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if (metaIndex.getOldType() == Type.Int) {
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entry.setValue(value);
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}
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break;
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case Float:
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entry.setType(us.myles.ViaVersion.api.type.Type.FLOAT);
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entry.setValue(value);
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break;
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case String:
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entry.setType(us.myles.ViaVersion.api.type.Type.STRING);
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entry.setValue(value);
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break;
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case Boolean:
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entry.setType(us.myles.ViaVersion.api.type.Type.BOOLEAN);
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if (metaIndex == MetaIndex.AGEABLE_AGE)
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entry.setValue((Byte) value < 0);
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else
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entry.setValue((Byte) value != 0);
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break;
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case Slot:
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entry.setType(us.myles.ViaVersion.api.type.Type.ITEM);
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entry.setValue(value);
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ItemRewriter.toClient((Item) entry.getValue());
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break;
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case Position:
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entry.setType(us.myles.ViaVersion.api.type.Type.VECTOR);
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Vector vector = (Vector) value;
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entry.setValue(vector);
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break;
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case Vector3F:
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entry.setType(us.myles.ViaVersion.api.type.Type.ROTATION);
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EulerAngle angle = (EulerAngle) value;
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entry.setValue(angle);
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break;
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case Chat:
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entry.setType(us.myles.ViaVersion.api.type.Type.STRING);
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value = Protocol1_9TO1_8.fixJson((String) value);
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entry.setValue(value);
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break;
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default:
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System.out.println("[Out] Unhandled MetaDataType: " + metaIndex.getNewType());
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list.remove(entry);
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break;
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}
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} else {
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list.remove(entry);
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}
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} else {
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throw new Exception("Could not find valid metadata");
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}
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} catch (Exception e) {
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list.remove(entry);
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if (!ViaVersion.getConfig().isSuppressMetadataErrors() || ViaVersion.getInstance().isDebug()) {
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System.out.println("INCLUDE THIS IN YOUR ERROR LOG!");
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if (type != null)
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System.out.println("An error occurred with entity meta data for " + type + " OldID: " + entry.getId());
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else
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System.out.println("An error occurred with entity meta data for UNKNOWN_ENTITY OldID: " + entry.getId());
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if (metaIndex != null) {
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System.out.println("Value: " + entry.getValue());
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System.out.println("Old ID: " + metaIndex.getIndex() + " New ID: " + metaIndex.getNewIndex());
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System.out.println("Old Type: " + metaIndex.getOldType() + " New Type: " + metaIndex.getNewType());
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}
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e.printStackTrace();
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}
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}
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}
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}
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}
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