cn.nukkit.level.particle.FloatingTextParticle Maven / Gradle / Ivy
package cn.nukkit.level.particle;
import cn.nukkit.entity.Entity;
import cn.nukkit.entity.data.EntityMetadata;
import cn.nukkit.entity.data.Skin;
import cn.nukkit.item.Item;
import cn.nukkit.level.Level;
import cn.nukkit.level.Location;
import cn.nukkit.math.Vector3;
import cn.nukkit.network.protocol.*;
import cn.nukkit.utils.SerializedImage;
import com.google.common.base.Strings;
import java.util.ArrayList;
import java.util.UUID;
import java.util.concurrent.ThreadLocalRandom;
/**
* @author xtypr
* @since 2015/11/21
*/
public class FloatingTextParticle extends Particle {
private static final Skin EMPTY_SKIN = new Skin();
private static final SerializedImage SKIN_DATA = SerializedImage.fromLegacy(new byte[8192]);
static {
EMPTY_SKIN.setSkinData(SKIN_DATA);
EMPTY_SKIN.generateSkinId("FloatingText");
}
protected final Level level;
protected UUID uuid = UUID.randomUUID();
protected long entityId = -1;
protected boolean invisible = false;
protected EntityMetadata metadata = new EntityMetadata();
public FloatingTextParticle(Location location, String title) {
this(location, title, null);
}
public FloatingTextParticle(Location location, String title, String text) {
this(location.getLevel(), location, title, text);
}
public FloatingTextParticle(Vector3 pos, String title) {
this(pos, title, null);
}
public FloatingTextParticle(Vector3 pos, String title, String text) {
this(null, pos, title, text);
}
private FloatingTextParticle(Level level, Vector3 pos, String title, String text) {
super(pos.x, pos.y, pos.z);
this.level = level;
long flags = (
1L << Entity.DATA_FLAG_NO_AI
);
metadata.putLong(Entity.DATA_FLAGS, flags)
.putLong(Entity.DATA_LEAD_HOLDER_EID, -1)
.putFloat(Entity.DATA_SCALE, 0.01f) //zero causes problems on debug builds?
.putFloat(Entity.DATA_BOUNDING_BOX_HEIGHT, 0.01f)
.putFloat(Entity.DATA_BOUNDING_BOX_WIDTH, 0.01f);
if (!Strings.isNullOrEmpty(title)) {
metadata.putString(Entity.DATA_NAMETAG, title);
}
if (!Strings.isNullOrEmpty(text)) {
metadata.putString(Entity.DATA_SCORE_TAG, text);
}
}
public String getText() {
return metadata.getString(Entity.DATA_SCORE_TAG);
}
public void setText(String text) {
this.metadata.putString(Entity.DATA_SCORE_TAG, text);
sendMetadata();
}
public String getTitle() {
return metadata.getString(Entity.DATA_NAMETAG);
}
public void setTitle(String title) {
this.metadata.putString(Entity.DATA_NAMETAG, title);
sendMetadata();
}
private void sendMetadata() {
if (level != null) {
SetEntityDataPacket packet = new SetEntityDataPacket();
packet.eid = entityId;
packet.metadata = metadata;
level.addChunkPacket(getChunkX(), getChunkZ(), packet);
}
}
public boolean isInvisible() {
return invisible;
}
public void setInvisible(boolean invisible) {
this.invisible = invisible;
}
public void setInvisible() {
this.setInvisible(true);
}
public long getEntityId() {
return entityId;
}
@Override
public DataPacket[] encode() {
ArrayList packets = new ArrayList<>();
if (this.entityId == -1) {
this.entityId = 1095216660480L + ThreadLocalRandom.current().nextLong(0, 0x7fffffffL);
} else {
RemoveEntityPacket pk = new RemoveEntityPacket();
pk.eid = this.entityId;
packets.add(pk);
}
if (!this.invisible) {
PlayerListPacket.Entry[] entry = {new PlayerListPacket.Entry(uuid, entityId,
metadata.getString(Entity.DATA_NAMETAG), EMPTY_SKIN)};
PlayerListPacket playerAdd = new PlayerListPacket();
playerAdd.entries = entry;
playerAdd.type = PlayerListPacket.TYPE_ADD;
packets.add(playerAdd);
AddPlayerPacket pk = new AddPlayerPacket();
pk.uuid = uuid;
pk.username = "";
pk.entityUniqueId = this.entityId;
pk.entityRuntimeId = this.entityId;
pk.x = (float) this.x;
pk.y = (float) (this.y - 0.75);
pk.z = (float) this.z;
pk.speedX = 0;
pk.speedY = 0;
pk.speedZ = 0;
pk.yaw = 0;
pk.pitch = 0;
pk.metadata = this.metadata;
pk.item = Item.get(Item.AIR);
packets.add(pk);
PlayerListPacket playerRemove = new PlayerListPacket();
playerRemove.entries = entry;
playerRemove.type = PlayerListPacket.TYPE_REMOVE;
packets.add(playerRemove);
}
return packets.toArray(DataPacket.EMPTY_ARRAY);
}
}
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