EntityLib/api/src/main/java/me/tofaa/entitylib/meta/Metadata.java

90 lines
No EOL
3.2 KiB
Java

package me.tofaa.entitylib.meta;
import com.github.retrooper.packetevents.protocol.entity.data.EntityData;
import com.github.retrooper.packetevents.protocol.entity.data.EntityDataType;
import com.github.retrooper.packetevents.wrapper.play.server.WrapperPlayServerEntityMetadata;
import me.tofaa.entitylib.EntityLib;
import me.tofaa.entitylib.EntityLibAPI;
import me.tofaa.entitylib.wrapper.WrapperEntity;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.sql.Wrapper;
import java.util.*;
import java.util.concurrent.ConcurrentHashMap;
@SuppressWarnings("unchecked")
public class Metadata {
private final int entityId;
private volatile boolean notifyAboutChanges = true;
private final Map<Byte, EntityData> notNotifiedChanges = new HashMap<>();
private final Map<Byte, EntityData> metadataMap = new ConcurrentHashMap<>();
public Metadata(int entityId) {
this.entityId = entityId;
}
public <T> T getIndex(byte index, @Nullable T defaultValue) {
EntityData value = this.metadataMap.get(index);
return value != null ? (T) value.getValue() : defaultValue;
}
public <T> void setIndex(byte index, @NotNull EntityDataType<T> dataType, T value) {
final EntityData entry = new EntityData(index, dataType, value);
this.metadataMap.put(index, entry);
final Optional<EntityLibAPI<?>> optionalApi = EntityLib.getOptionalApi();
if (!optionalApi.isPresent()) return;
final WrapperEntity entity = optionalApi.get().getEntity(entityId);
if (entity == null || !entity.isSpawned()) return; // Not EntityLib entity then, the user must send the packet manually. OR not spawned.
if (!this.notifyAboutChanges) {
synchronized (this.notNotifiedChanges) {
this.notNotifiedChanges.put(index, entry);
}
}
else {
entity.sendPacketToViewers(createPacket());
}
}
public void setNotifyAboutChanges(boolean notifyAboutChanges) {
if (this.notifyAboutChanges == notifyAboutChanges) {
return;
}
List<EntityData> entries = null;
synchronized (this.notNotifiedChanges) {
this.notifyAboutChanges = notifyAboutChanges;
if (notifyAboutChanges) {
entries = new ArrayList<>(this.notNotifiedChanges.values());
if (entries.isEmpty()) {
return;
}
this.notNotifiedChanges.clear();
}
}
final WrapperEntity entity = EntityLib.getApi().getEntity(entityId);
if (entries == null || entity == null || !entity.isSpawned()) {
return;
}
WrapperPlayServerEntityMetadata packet = new WrapperPlayServerEntityMetadata(entityId, entries);
entity.sendPacketsToViewers(packet);
}
public boolean isNotifyingChanges() {
return notifyAboutChanges;
}
@NotNull List<EntityData> getEntries() {
return Collections.unmodifiableList(new ArrayList<>(metadataMap.values()));
}
public WrapperPlayServerEntityMetadata createPacket() {
return new WrapperPlayServerEntityMetadata(entityId, getEntries());
}
}