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SentinelWeaponHelper.java
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SentinelWeaponHelper.java
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package org.mcmonkey.sentinel;
import net.citizensnpcs.api.trait.trait.Inventory;
import org.bukkit.Location;
import org.bukkit.Material;
import org.bukkit.enchantments.Enchantment;
import org.bukkit.entity.*;
import org.bukkit.inventory.ItemStack;
import org.bukkit.inventory.meta.PotionMeta;
import org.bukkit.potion.PotionData;
import org.bukkit.potion.PotionEffect;
import org.bukkit.potion.PotionType;
import org.bukkit.util.Vector;
import org.mcmonkey.sentinel.targeting.SentinelTarget;
import java.util.HashMap;
/**
* Helper for weapon management, particular attacking.
*/
public class SentinelWeaponHelper extends SentinelHelperObject {
public static final EntityType LINGERING_POTION, TIPPED_ARROW;
static {
if (SentinelTarget.v1_14) {
LINGERING_POTION = EntityType.SPLASH_POTION;
TIPPED_ARROW = EntityType.ARROW;
}
else if (SentinelTarget.v1_9) {
LINGERING_POTION = EntityType.valueOf("LINGERING_POTION");
TIPPED_ARROW = EntityType.valueOf("TIPPED_ARROW");
}
else {
LINGERING_POTION = null;
TIPPED_ARROW = null;
}
}
/**
* Fires a potion from the NPC at a target.
*/
public void firePotion(ItemStack potion, Location target, Vector lead) {
sentinel.stats_potionsThrown++;
HashMap.SimpleEntry<Location, Vector> start = sentinel.getLaunchDetail(target, lead);
Entity entpotion;
if (SentinelTarget.v1_14) {
entpotion = start.getKey().getWorld().spawnEntity(start.getKey(), EntityType.SPLASH_POTION);
}
else if (SentinelTarget.v1_9) {
entpotion = start.getKey().getWorld().spawnEntity(start.getKey(),
potion.getType() == Material.SPLASH_POTION ? EntityType.SPLASH_POTION : LINGERING_POTION);
}
else {
entpotion = start.getKey().getWorld().spawnEntity(start.getKey(), EntityType.SPLASH_POTION);
}
((ThrownPotion) entpotion).setShooter(getLivingEntity());
((ThrownPotion) entpotion).setItem(potion);
entpotion.setVelocity(sentinel.fixForAcc(start.getValue()));
sentinel.swingWeapon();
}
/**
* Fires an arrow from the NPC at a target.
*/
public void fireArrow(ItemStack type, Location target, Vector lead) {
HashMap.SimpleEntry<Location, Vector> start = sentinel.getLaunchDetail(target, lead);
if (start == null || start.getKey() == null) {
return;
}
sentinel.stats_arrowsFired++;
Entity arrow;
if (SentinelTarget.v1_9) {
if (SentinelTarget.v1_14) {
Class toShoot;
toShoot = type.getType() == Material.SPECTRAL_ARROW ? SpectralArrow.class :
(type.getType() == Material.TIPPED_ARROW ? TippedArrow.class : Arrow.class);
Vector dir = sentinel.fixForAcc(start.getValue());
double length = Math.max(1.0, dir.length());
arrow = start.getKey().getWorld().spawnArrow(start.getKey(), dir.multiply(1.0 / length), (float) length, 0f, toShoot);
((Arrow) arrow).setPickupStatus(Arrow.PickupStatus.DISALLOWED);
}
else {
arrow = start.getKey().getWorld().spawnEntity(start.getKey(),
type.getType() == Material.SPECTRAL_ARROW ? EntityType.SPECTRAL_ARROW :
(type.getType() == Material.TIPPED_ARROW ? TIPPED_ARROW : EntityType.ARROW));
arrow.setVelocity(sentinel.fixForAcc(start.getValue()));
}
((Projectile) arrow).setShooter(getLivingEntity());
if (arrow instanceof TippedArrow && type instanceof PotionMeta) {
PotionData data = ((PotionMeta) type.getItemMeta()).getBasePotionData();
if (data.getType() == null || data.getType() == PotionType.UNCRAFTABLE) {
// TODO: Perhaps a **single** warning?
}
else {
((TippedArrow) arrow).setBasePotionData(data);
for (PotionEffect effect : ((PotionMeta) type.getItemMeta()).getCustomEffects()) {
((TippedArrow) arrow).addCustomEffect(effect, true);
}
}
}
}
else {
arrow = start.getKey().getWorld().spawnEntity(start.getKey(), EntityType.ARROW);
((Projectile) arrow).setShooter(getLivingEntity());
arrow.setVelocity(sentinel.fixForAcc(start.getValue()));
}
if (getNPC().getTrait(Inventory.class).getContents()[0].containsEnchantment(Enchantment.ARROW_FIRE)) {
arrow.setFireTicks(10000);
}
sentinel.useItem();
}
/**
* Fires a snowball from the NPC at a target.
*/
public void fireSnowball(Location target) {
sentinel.swingWeapon();
sentinel.stats_snowballsThrown++;
sentinel.faceLocation(target);
Vector forward = getLivingEntity().getEyeLocation().getDirection();
Location spawnAt = getLivingEntity().getEyeLocation().clone().add(forward.clone().multiply(sentinel.firingMinimumRange()));
Entity ent = spawnAt.getWorld().spawnEntity(spawnAt, EntityType.SNOWBALL);
((Projectile) ent).setShooter(getLivingEntity());
ent.setVelocity(sentinel.fixForAcc(target.clone().subtract(spawnAt).toVector().normalize().multiply(2.0))); // TODO: Fiddle with '2.0'.
}
/**
* Fires a trident from the NPC at a target.
*/
public void fireTrident(Location target) {
if (!SentinelTarget.v1_13) {
return;
}
sentinel.swingWeapon();
sentinel.stats_arrowsFired++;
sentinel.faceLocation(target);
Vector forward = getLivingEntity().getEyeLocation().getDirection();
Location spawnAt = getLivingEntity().getEyeLocation().clone().add(forward.clone().multiply(sentinel.firingMinimumRange() + 2));
Trident ent = (Trident) spawnAt.getWorld().spawnEntity(spawnAt, EntityType.TRIDENT);
if (SentinelTarget.v1_14) {
ent.setPickupStatus(AbstractArrow.PickupStatus.DISALLOWED);
}
ent.setShooter(getLivingEntity());
ent.setVelocity(sentinel.fixForAcc(target.clone().subtract(spawnAt).toVector().normalize().multiply(2.0))); // TODO: Fiddle with '2.0'.
}
/**
* Fires an egg from the NPC at a target.
*/
public void fireEgg(Location target) {
sentinel.swingWeapon();
sentinel.stats_eggsThrown++;
sentinel.faceLocation(target);
Vector forward = getLivingEntity().getEyeLocation().getDirection();
Location spawnAt = getLivingEntity().getEyeLocation().clone().add(forward.clone().multiply(sentinel.firingMinimumRange()));
Entity ent = spawnAt.getWorld().spawnEntity(spawnAt, EntityType.EGG);
((Projectile) ent).setShooter(getLivingEntity());
ent.setVelocity(sentinel.fixForAcc(target.clone().subtract(spawnAt).toVector().normalize().multiply(2.0))); // TODO: Fiddle with '2.0'.
}
/**
* Fires a pearl from the NPC at a target.
*/
public void firePearl(LivingEntity target) {
sentinel.swingWeapon();
sentinel.faceLocation(target.getEyeLocation());
// TODO: Maybe require entity is-on-ground?
sentinel.stats_pearlsUsed++;
target.setVelocity(target.getVelocity().add(new Vector(0, sentinel.getDamage(), 0)));
}
/**
* Fires a fireballs from the NPC at a target.
*/
public void fireFireball(Location target) {
sentinel.swingWeapon();
sentinel.stats_fireballsFired++;
sentinel.faceLocation(target);
Vector forward = getLivingEntity().getEyeLocation().getDirection();
Location spawnAt = getLivingEntity().getEyeLocation().clone().add(forward.clone().multiply(sentinel.firingMinimumRange()));
Entity ent = spawnAt.getWorld().spawnEntity(spawnAt, EntityType.SMALL_FIREBALL);
((Projectile) ent).setShooter(getLivingEntity());
ent.setVelocity(sentinel.fixForAcc(target.clone().subtract(spawnAt).toVector().normalize().multiply(4))); // TODO: Fiddle with '4'.
}
/**
* Fires a skull from the NPC at a target.
*/
public void fireSkull(Location target) {
sentinel.swingWeapon();
sentinel.stats_skullsThrown++;
sentinel.faceLocation(target);
Vector forward = getLivingEntity().getEyeLocation().getDirection();
Location spawnAt = getLivingEntity().getEyeLocation().clone().add(forward.clone().multiply(sentinel.firingMinimumRange()));
Entity ent = spawnAt.getWorld().spawnEntity(spawnAt, EntityType.WITHER_SKULL);
((Projectile) ent).setShooter(getLivingEntity());
ent.setVelocity(sentinel.fixForAcc(target.clone().subtract(spawnAt).toVector().normalize().multiply(4))); // TODO: Fiddle with '4'.
}
/**
* Makes an NPC punch a target.
*/
public void punch(LivingEntity entity) {
sentinel.faceLocation(entity.getLocation());
sentinel.swingWeapon();
sentinel.stats_punches++;
if (SentinelPlugin.instance.workaroundDamage) {
if (SentinelPlugin.debugMe) {
debug("workaround damage value at " + sentinel.getDamage() + " yields "
+ ((sentinel.getDamage() * (1.0 - sentinel.getArmor(entity)))));
}
entity.damage(sentinel.getDamage() * (1.0 - sentinel.getArmor(entity)));
knockback(entity);
if (!sentinel.enemyDrops) {
sentinel.needsDropsClear.add(entity.getUniqueId());
}
}
else {
if (SentinelPlugin.debugMe) {
debug("Punch/natural for " + sentinel.getDamage());
}
entity.damage(sentinel.getDamage(), getLivingEntity());
}
}
/**
* Knocks a target back from damage received (for hacked-in damage applications when required by config).
*/
public void knockback(LivingEntity entity) {
Vector relative = entity.getLocation().toVector().subtract(getLivingEntity().getLocation().toVector());
relative = relative.normalize();
relative.setY(0.75);
relative.multiply(0.5 / Math.max(1.0, entity.getVelocity().length()));
entity.setVelocity(entity.getVelocity().multiply(0.25).add(relative));
if (SentinelPlugin.debugMe) {
debug("applied knockback velocity adder of " + relative);
}
}
}