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cn.nukkit.entity.projectile.EntityThrownTrident Maven / Gradle / Ivy
package cn.nukkit.entity.projectile;
import cn.nukkit.Player;
import cn.nukkit.api.DeprecationDetails;
import cn.nukkit.api.PowerNukkitDifference;
import cn.nukkit.api.PowerNukkitOnly;
import cn.nukkit.api.Since;
import cn.nukkit.block.Block;
import cn.nukkit.entity.Entity;
import cn.nukkit.entity.data.LongEntityData;
import cn.nukkit.entity.weather.EntityLightning;
import cn.nukkit.event.entity.EntityDamageByChildEntityEvent;
import cn.nukkit.event.entity.EntityDamageByEntityEvent;
import cn.nukkit.event.entity.EntityDamageEvent;
import cn.nukkit.event.entity.EntityDamageEvent.DamageCause;
import cn.nukkit.event.entity.ProjectileHitEvent;
import cn.nukkit.item.Item;
import cn.nukkit.item.enchantment.Enchantment;
import cn.nukkit.level.GameRule;
import cn.nukkit.level.MovingObjectPosition;
import cn.nukkit.level.Position;
import cn.nukkit.level.Sound;
import cn.nukkit.level.format.FullChunk;
import cn.nukkit.math.BlockVector3;
import cn.nukkit.math.Vector3;
import cn.nukkit.nbt.NBTIO;
import cn.nukkit.nbt.tag.CompoundTag;
import cn.nukkit.nbt.tag.DoubleTag;
import cn.nukkit.nbt.tag.IntTag;
import cn.nukkit.nbt.tag.ListTag;
import cn.nukkit.network.protocol.AddEntityPacket;
import java.util.Random;
import java.util.concurrent.ThreadLocalRandom;
/**
* @author PetteriM1
* @author GoodLucky777
*/
public class EntityThrownTrident extends SlenderProjectile {
public static final int NETWORK_ID = 73;
private static final String TAG_PICKUP = "pickup";
private static final String TAG_TRIDENT = "Trident";
private static final String TAG_FAVORED_SLOT = "favoredSlot";
private static final String TAG_CREATIVE = "isCreative";
private static final String TAG_PLAYER = "player";
private static final String NAME_TRIDENT = "Trident";
private static final Vector3 defaultCollisionPos = new Vector3(0, 0, 0);
private static final BlockVector3 defaultStuckToBlockPos = new BlockVector3(0, 0, 0);
@Since("FUTURE")
public boolean alreadyCollided;
protected Item trident;
// Default Values
@PowerNukkitOnly
protected float gravity = 0.04f;
@PowerNukkitOnly
protected float drag = 0.01f;
@Since("FUTURE")
protected int pickupMode;
private Vector3 collisionPos;
private BlockVector3 stuckToBlockPos;
private int favoredSlot;
private boolean player;
// Enchantment
private int loyaltyLevel;
private boolean hasChanneling;
private int riptideLevel;
private int impalingLevel;
public EntityThrownTrident(FullChunk chunk, CompoundTag nbt) {
this(chunk, nbt, null);
}
public EntityThrownTrident(FullChunk chunk, CompoundTag nbt, Entity shootingEntity) {
super(chunk, nbt, shootingEntity);
}
@Deprecated
public EntityThrownTrident(FullChunk chunk, CompoundTag nbt, Entity shootingEntity, boolean critical) {
this(chunk, nbt, shootingEntity);
}
@Override
public int getNetworkId() {
return NETWORK_ID;
}
@Override
public float getLength() {
return 0.25f;
}
@Override
public float getGravity() {
return 0.05f;
}
@Override
public float getDrag() {
return 0.01f;
}
@PowerNukkitOnly
@Since("1.5.1.0-PN")
@Override
public String getOriginalName() {
return NAME_TRIDENT;
}
@Override
protected void initEntity() {
super.setHasAge(false);
super.initEntity();
this.closeOnCollide = false;
this.pickupMode = namedTag.contains(TAG_PICKUP) ? namedTag.getByte(TAG_PICKUP) : PICKUP_ANY;
this.damage = namedTag.contains("damage") ? namedTag.getDouble("damage") : 8;
this.favoredSlot = namedTag.contains(TAG_FAVORED_SLOT) ? namedTag.getInt(TAG_FAVORED_SLOT) : -1;
this.player = !namedTag.contains(TAG_PLAYER) || namedTag.getBoolean(TAG_PLAYER);
if (namedTag.contains(TAG_CREATIVE)) {
if (pickupMode == PICKUP_ANY && namedTag.getBoolean(TAG_CREATIVE)) {
pickupMode = PICKUP_CREATIVE;
}
namedTag.remove(TAG_CREATIVE);
}
if (namedTag.contains(TAG_TRIDENT)) {
this.trident = NBTIO.getItemHelper(namedTag.getCompound(TAG_TRIDENT));
this.loyaltyLevel = this.trident.getEnchantmentLevel(Enchantment.ID_TRIDENT_LOYALTY);
this.hasChanneling = this.trident.hasEnchantment(Enchantment.ID_TRIDENT_CHANNELING);
this.riptideLevel = this.trident.getEnchantmentLevel(Enchantment.ID_TRIDENT_RIPTIDE);
this.impalingLevel = this.trident.getEnchantmentLevel(Enchantment.ID_TRIDENT_IMPALING);
} else {
this.trident = Item.get(0);
this.loyaltyLevel = 0;
this.hasChanneling = false;
this.riptideLevel = 0;
this.impalingLevel = 0;
}
if (namedTag.contains("CollisionPos")) {
ListTag collisionPosList = this.namedTag.getList("CollisionPos", DoubleTag.class);
collisionPos = new Vector3(collisionPosList.get(0).data, collisionPosList.get(1).data, collisionPosList.get(2).data);
} else {
collisionPos = defaultCollisionPos.clone();
}
if (namedTag.contains("StuckToBlockPos")) {
ListTag stuckToBlockPosList = this.namedTag.getList("StuckToBlockPos", IntTag.class);
stuckToBlockPos = new BlockVector3(stuckToBlockPosList.get(0).data, stuckToBlockPosList.get(1).data, stuckToBlockPosList.get(2).data);
} else {
stuckToBlockPos = defaultStuckToBlockPos.clone();
}
}
@Override
public void saveNBT() {
super.saveNBT();
this.namedTag.put(TAG_TRIDENT, NBTIO.putItemHelper(this.trident));
this.namedTag.putByte(TAG_PICKUP, this.pickupMode);
this.namedTag.putList(new ListTag("CollisionPos")
.add(new DoubleTag("0", this.collisionPos.x))
.add(new DoubleTag("1", this.collisionPos.y))
.add(new DoubleTag("2", this.collisionPos.z))
);
this.namedTag.putList(new ListTag("StuckToBlockPos")
.add(new IntTag("0", this.stuckToBlockPos.x))
.add(new IntTag("1", this.stuckToBlockPos.y))
.add(new IntTag("2", this.stuckToBlockPos.z))
);
this.namedTag.putInt(TAG_FAVORED_SLOT, this.favoredSlot);
this.namedTag.putBoolean(TAG_PLAYER, this.player);
}
public Item getItem() {
return this.trident != null ? this.trident.clone() : Item.get(0);
}
public void setItem(Item item) {
this.trident = item.clone();
this.loyaltyLevel = this.trident.getEnchantmentLevel(Enchantment.ID_TRIDENT_LOYALTY);
this.hasChanneling = this.trident.hasEnchantment(Enchantment.ID_TRIDENT_CHANNELING);
this.riptideLevel = this.trident.getEnchantmentLevel(Enchantment.ID_TRIDENT_RIPTIDE);
this.impalingLevel = this.trident.getEnchantmentLevel(Enchantment.ID_TRIDENT_IMPALING);
}
@PowerNukkitOnly
public void setCritical() {
this.setCritical(true);
}
@PowerNukkitOnly
public boolean isCritical() {
return this.getDataFlag(DATA_FLAGS, DATA_FLAG_CRITICAL);
}
@PowerNukkitOnly
public void setCritical(boolean value) {
this.setDataFlag(DATA_FLAGS, DATA_FLAG_CRITICAL, value);
}
@Override
public int getResultDamage() {
int base = super.getResultDamage();
if (this.isCritical()) {
base += ThreadLocalRandom.current().nextInt(base / 2 + 2);
}
return base;
}
@Override
protected double getBaseDamage() {
return 8;
}
@PowerNukkitDifference(info = "Using new method to play sounds", since = "1.4.0.0-PN")
@Override
public boolean onUpdate(int currentTick) {
if (this.closed) {
return false;
}
this.timing.startTiming();
if (this.isCollided && !this.hadCollision) {
this.getLevel().addSound(this, Sound.ITEM_TRIDENT_HIT_GROUND);
}
boolean hasUpdate = super.onUpdate(currentTick);
if (this.onGround || this.hadCollision) {
this.setCritical(false);
}
if (this.noClip) {
if (this.canReturnToShooter()) {
Entity shooter = this.shootingEntity;
Vector3 vector3 = new Vector3(shooter.x - this.x, shooter.y + shooter.getEyeHeight() - this.y, shooter.z - this.z);
this.setPosition(new Vector3(this.x, this.y + vector3.y * 0.015 * ((double) loyaltyLevel), this.z));
this.setMotion(this.getMotion().multiply(0.95).add(vector3.multiply(loyaltyLevel * 0.05)));
hasUpdate = true;
} else {
if (level.getGameRules().getBoolean(GameRule.DO_ENTITY_DROPS) && !this.closed) {
this.level.dropItem(this, this.trident);
}
this.close();
}
}
this.timing.stopTiming();
return hasUpdate;
}
@Override
public void spawnTo(Player player) {
AddEntityPacket pk = new AddEntityPacket();
pk.type = NETWORK_ID;
pk.entityUniqueId = this.getId();
pk.entityRuntimeId = this.getId();
pk.x = (float) this.x;
pk.y = (float) this.y;
pk.z = (float) this.z;
pk.speedX = (float) this.motionX;
pk.speedY = (float) this.motionY;
pk.speedZ = (float) this.motionZ;
pk.yaw = (float) this.yaw;
pk.pitch = (float) this.pitch;
pk.metadata = this.dataProperties;
player.dataPacket(pk);
super.spawnTo(player);
}
@PowerNukkitDifference(info = "Using new method to play sounds", since = "1.4.0.0-PN")
@Override
public void onCollideWithEntity(Entity entity) {
if (this.noClip) {
return;
}
if (this.alreadyCollided) {
this.move(this.motionX, this.motionY, this.motionZ);
return;
}
this.server.getPluginManager().callEvent(new ProjectileHitEvent(this, MovingObjectPosition.fromEntity(entity)));
float damage = this.getResultDamage();
if (this.impalingLevel > 0 && (entity.isTouchingWater() || (entity.getLevel().isRaining() && entity.getLevel().canBlockSeeSky(entity)))) {
damage = damage + (2.5f * (float) this.impalingLevel);
}
EntityDamageEvent ev;
if (this.shootingEntity == null) {
ev = new EntityDamageByEntityEvent(this, entity, DamageCause.PROJECTILE, damage);
} else {
ev = new EntityDamageByChildEntityEvent(this.shootingEntity, this, entity, DamageCause.PROJECTILE, damage);
}
entity.attack(ev);
this.getLevel().addSound(this, Sound.ITEM_TRIDENT_HIT);
this.hadCollision = true;
this.setCollisionPos(this);
this.setMotion(new Vector3(this.getMotion().getX() * -0.01, this.getMotion().getY() * -0.1, this.getMotion().getZ() * -0.01));
if (this.hasChanneling) {
if (this.level.isThundering() && this.level.canBlockSeeSky(this)) {
Position pos = this.getPosition();
EntityLightning lighting = new EntityLightning(pos.getChunk(), getDefaultNBT(pos));
lighting.spawnToAll();
this.getLevel().addSound(this, Sound.ITEM_TRIDENT_THUNDER);
}
}
if (this.canReturnToShooter()) {
this.getLevel().addSound(this, Sound.ITEM_TRIDENT_RETURN);
this.setNoClip(true);
this.hadCollision = false;
this.setTridentRope(true);
}
}
@PowerNukkitOnly
public Entity create(Object type, Position source, Object... args) {
FullChunk chunk = source.getLevel().getChunk((int) source.x >> 4, (int) source.z >> 4);
if (chunk == null) return null;
CompoundTag nbt = Entity.getDefaultNBT(
source.add(0.5, 0, 0.5),
null,
new Random().nextFloat() * 360, 0
);
return Entity.createEntity(type.toString(), chunk, nbt, args);
}
@Since("FUTURE")
public int getPickupMode() {
return this.pickupMode;
}
@Since("FUTURE")
public void setPickupMode(int pickupMode) {
this.pickupMode = pickupMode;
}
@PowerNukkitOnly
@Since("1.4.0.0-PN")
@Override
protected void onCollideWithBlock(Position position, Vector3 motion) {
if (this.noClip) {
return;
}
for (Block collisionBlock : level.getCollisionBlocks(getBoundingBox().grow(0.1, 0.1, 0.1))) {
this.setStuckToBlockPos(new BlockVector3(collisionBlock.getFloorX(), collisionBlock.getFloorY(), collisionBlock.getFloorZ()));
if (this.canReturnToShooter()) {
this.getLevel().addSound(this, Sound.ITEM_TRIDENT_RETURN);
this.setNoClip(true);
this.setTridentRope(true);
return;
}
onCollideWithBlock(position, motion, collisionBlock);
}
}
@PowerNukkitOnly
@Since("1.4.0.0-PN")
public Vector3 getCollisionPos() {
return collisionPos;
}
@PowerNukkitOnly
@Since("1.4.0.0-PN")
public void setCollisionPos(Vector3 collisionPos) {
this.collisionPos = collisionPos;
}
@PowerNukkitOnly
@Since("1.4.0.0-PN")
public BlockVector3 getStuckToBlockPos() {
return stuckToBlockPos;
}
@PowerNukkitOnly
@Since("1.4.0.0-PN")
public void setStuckToBlockPos(BlockVector3 stuckToBlockPos) {
this.stuckToBlockPos = stuckToBlockPos;
}
@PowerNukkitOnly
@Since("1.4.0.0-PN")
public int getFavoredSlot() {
return favoredSlot;
}
@PowerNukkitOnly
@Since("1.4.0.0-PN")
public void setFavoredSlot(int favoredSlot) {
this.favoredSlot = favoredSlot;
}
@PowerNukkitOnly
@Since("1.4.0.0-PN")
public boolean isCreative() {
return getPickupMode() == EntityProjectile.PICKUP_CREATIVE;
}
@PowerNukkitOnly
@Since("1.4.0.0-PN")
@Deprecated
@DeprecationDetails(since = "FUTURE", by = "PowerNukkit", replaceWith = "setPickupMode(EntityProjectile.PICKUP_)",
reason = "Nukkit added this API in 3-states, NONE, ANY, and CREATIVE")
public void setCreative(boolean isCreative) {
if (isCreative) {
setPickupMode(EntityProjectile.PICKUP_CREATIVE);
} else if (getPickupMode() == EntityProjectile.PICKUP_CREATIVE) {
setPickupMode(EntityProjectile.PICKUP_ANY);
}
}
@PowerNukkitOnly
@Since("1.4.0.0-PN")
public boolean isPlayer() {
return player;
}
@PowerNukkitOnly
@Since("1.4.0.0-PN")
public void setPlayer(boolean player) {
this.player = player;
}
@PowerNukkitOnly
@Since("1.4.0.0-PN")
public int getLoyaltyLevel() {
return loyaltyLevel;
}
@PowerNukkitOnly
@Since("1.4.0.0-PN")
public void setLoyaltyLevel(int loyaltyLevel) {
this.loyaltyLevel = loyaltyLevel;
if (loyaltyLevel > 0) {
this.trident.addEnchantment(Enchantment.getEnchantment(Enchantment.ID_TRIDENT_LOYALTY).setLevel(loyaltyLevel));
} else {
// TODO: this.trident.removeEnchantment(Enchantment.ID_TRIDENT_LOYALTY);
}
}
@PowerNukkitOnly
@Since("1.4.0.0-PN")
public boolean hasChanneling() {
return hasChanneling;
}
@PowerNukkitOnly
@Since("1.4.0.0-PN")
public void setChanneling(boolean hasChanneling) {
this.hasChanneling = hasChanneling;
if (hasChanneling) {
this.trident.addEnchantment(Enchantment.getEnchantment(Enchantment.ID_TRIDENT_CHANNELING));
} else {
// TODO: this.trident.removeEnchantment(Enchantment.ID_TRIDENT_CHANNELING);
}
}
@PowerNukkitOnly
@Since("1.4.0.0-PN")
public int getRiptideLevel() {
return riptideLevel;
}
@PowerNukkitOnly
@Since("1.4.0.0-PN")
public void setRiptideLevel(int riptideLevel) {
this.riptideLevel = riptideLevel;
if (riptideLevel > 0) {
this.trident.addEnchantment(Enchantment.getEnchantment(Enchantment.ID_TRIDENT_RIPTIDE).setLevel(riptideLevel));
} else {
// TODO: this.trident.removeEnchantment(Enchantment.ID_TRIDENT_RIPTIDE);
}
}
@PowerNukkitOnly
@Since("1.4.0.0-PN")
public int getImpalingLevel() {
return impalingLevel;
}
@PowerNukkitOnly
@Since("1.4.0.0-PN")
public void setImpalingLevel(int impalingLevel) {
this.impalingLevel = impalingLevel;
if (impalingLevel > 0) {
this.trident.addEnchantment(Enchantment.getEnchantment(Enchantment.ID_TRIDENT_IMPALING).setLevel(impalingLevel));
} else {
// TODO: this.trident.removeEnchantment(Enchantment.ID_TRIDENT_IMPALING);
}
}
@PowerNukkitOnly
@Since("1.4.0.0-PN")
public boolean getTridentRope() {
return this.getDataFlag(DATA_FLAGS, DATA_FLAG_SHOW_TRIDENT_ROPE);
}
@PowerNukkitOnly
@Since("1.4.0.0-PN")
public void setTridentRope(boolean tridentRope) {
if (tridentRope) {
this.setDataProperty(new LongEntityData(DATA_OWNER_EID, this.shootingEntity.getId()));
} else {
this.setDataProperty(new LongEntityData(DATA_OWNER_EID, -1));
}
this.setDataFlag(DATA_FLAGS, DATA_FLAG_SHOW_TRIDENT_ROPE, tridentRope);
}
@PowerNukkitOnly
@Since("1.4.0.0-PN")
public boolean canReturnToShooter() {
if (this.loyaltyLevel <= 0) {
return false;
}
if (this.getCollisionPos().equals(defaultCollisionPos) && this.getStuckToBlockPos().equals(defaultStuckToBlockPos)) {
return false;
}
Entity shooter = this.shootingEntity;
if (shooter != null) {
if (shooter.isAlive() && shooter instanceof Player) {
return !(((Player) shooter).isSpectator());
}
}
return false;
}
}
