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SentinelAttackHelper.java
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SentinelAttackHelper.java
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package org.mcmonkey.sentinel;
import net.citizensnpcs.api.ai.TargetType;
import org.bukkit.Bukkit;
import org.bukkit.Sound;
import org.bukkit.entity.LivingEntity;
import org.bukkit.inventory.ItemStack;
import org.mcmonkey.sentinel.events.SentinelAttackEvent;
import org.mcmonkey.sentinel.targeting.SentinelTarget;
/**
* Helper for Sentinel NPCs attacking targets.
*/
public class SentinelAttackHelper extends SentinelHelperObject {
/**
* Causes the NPC to chase a target.
*/
public void chase(LivingEntity entity) {
if (getNPC().getNavigator().getTargetType() == TargetType.LOCATION
&& getNPC().getNavigator().getTargetAsLocation() != null
&& ((getNPC().getNavigator().getTargetAsLocation().getWorld().equals(entity.getWorld())
&& getNPC().getNavigator().getTargetAsLocation().distanceSquared(entity.getLocation()) < 2 * 2))) {
return;
}
sentinel.cleverTicks = 0;
sentinel.chasing = entity;
sentinel.chased = true;
sentinel.needsSafeReturn = true;
if (getNPC().getNavigator().getTargetType() == TargetType.ENTITY
&& SentinelUtilities.getTargetFor(getNPC().getNavigator().getEntityTarget()).getUniqueId().equals(entity.getUniqueId())) {
return;
}
getNPC().getNavigator().getDefaultParameters().stuckAction(null);
/*
Location goal = entity.getLocation().clone().add(entity.getVelocity().clone());
npc.getNavigator().setTarget(goal);
bunny_goal = goal;
*/
if (SentinelPlugin.instance.workaroundEntityChasePathfinder) {
getNPC().getNavigator().setTarget(entity.getLocation());
}
else {
getNPC().getNavigator().setTarget(entity, false);
}
getNPC().getNavigator().getLocalParameters().speedModifier((float) sentinel.speed);
}
/**
* Repeats the last chase instruction (to ensure the NPC keeps going for a target).
*/
public void rechase() {
if (sentinel.chasing != null) {
chase(sentinel.chasing);
}
}
/**
* Causes the NPC to attempt an attack on a target.
* Returns whether any attack occurred.
*/
public boolean tryAttack(LivingEntity target) {
if (tryAttackInternal(target)) {
return true;
}
LivingEntity quickTarget = targetingHelper.findQuickMeleeTarget();
if (quickTarget != null) {
if (itemHelper.isRanged()) {
if (!sentinel.autoswitch) {
return false;
}
itemHelper.swapToMelee();
if (itemHelper.isRanged()) {
return false;
}
}
if (tryAttackInternal(quickTarget)) {
chase(target);
return true;
}
chase(target);
}
return false;
}
/**
* Internal attack attempt logic.
*/
public boolean tryAttackInternal(LivingEntity entity) {
if (!entity.getWorld().equals(getLivingEntity().getWorld())) {
return false;
}
if (!getLivingEntity().hasLineOfSight(entity)) {
return false;
}
// TODO: Simplify this code!
sentinel.stats_attackAttempts++;
double dist = getLivingEntity().getEyeLocation().distanceSquared(entity.getEyeLocation());
if (SentinelPlugin.debugMe) {
debug("tryAttack at range " + (((int) (Math.sqrt(dist) * 0.1)) * 10));
}
if (sentinel.autoswitch && dist > sentinel.reach * sentinel.reach) {
itemHelper.swapToRanged();
}
else if (sentinel.autoswitch && dist < sentinel.reach * sentinel.reach) {
itemHelper.swapToMelee();
}
sentinel.chasing = entity;
SentinelAttackEvent sat = new SentinelAttackEvent(getNPC());
Bukkit.getPluginManager().callEvent(sat);
if (sat.isCancelled()) {
if (SentinelPlugin.debugMe) {
debug("tryAttack refused, event cancellation");
}
return false;
}
targetingHelper.addTarget(entity.getUniqueId());
for (SentinelIntegration si : SentinelPlugin.integrations) {
if (si.tryAttack(sentinel, entity)) {
return true;
}
}
if (itemHelper.usesBow()) {
if (targetingHelper.canSee(entity)) {
if (sentinel.timeSinceAttack < sentinel.attackRateRanged) {
if (sentinel.rangedChase) {
rechase();
}
return false;
}
sentinel.timeSinceAttack = 0;
ItemStack item = itemHelper.getArrow();
if (item != null) {
weaponHelper.fireArrow(item, entity.getEyeLocation(), entity.getVelocity());
if (sentinel.needsAmmo) {
itemHelper.reduceDurability();
itemHelper.takeArrow();
itemHelper.grabNextItem();
}
return true;
}
}
else if (sentinel.rangedChase) {
chase(entity);
return false;
}
}
else if (itemHelper.usesSnowball()) {
if (targetingHelper.canSee(entity)) {
if (sentinel.timeSinceAttack < sentinel.attackRateRanged) {
if (sentinel.rangedChase) {
rechase();
}
return false;
}
sentinel.timeSinceAttack = 0;
weaponHelper.fireSnowball(entity.getEyeLocation());
if (sentinel.needsAmmo) {
itemHelper.takeOne();
itemHelper.grabNextItem();
}
return true;
}
else if (sentinel.rangedChase) {
chase(entity);
return false;
}
}
else if (itemHelper.usesTrident()) {
if (targetingHelper.canSee(entity)) {
if (sentinel.timeSinceAttack < sentinel.attackRateRanged) {
if (sentinel.rangedChase) {
rechase();
}
return false;
}
sentinel.timeSinceAttack = 0;
weaponHelper.fireTrident(entity.getEyeLocation());
if (sentinel.needsAmmo) {
itemHelper.takeOne();
itemHelper.grabNextItem();
}
return true;
}
else if (sentinel.rangedChase) {
chase(entity);
return false;
}
}
else if (itemHelper.usesPotion()) {
if (targetingHelper.canSee(entity)) {
if (sentinel.timeSinceAttack < sentinel.attackRateRanged) {
if (sentinel.rangedChase) {
rechase();
}
return false;
}
sentinel.timeSinceAttack = 0;
if (SentinelTarget.v1_9) {
weaponHelper.firePotion(getLivingEntity().getEquipment().getItemInMainHand(),
entity.getEyeLocation(), entity.getVelocity());
}
else {
weaponHelper.firePotion(getLivingEntity().getEquipment().getItemInHand(),
entity.getEyeLocation(), entity.getVelocity());
}
if (sentinel.needsAmmo) {
itemHelper.takeOne();
itemHelper.grabNextItem();
}
return true;
}
else if (sentinel.rangedChase) {
chase(entity);
return false;
}
}
else if (itemHelper.usesEgg()) {
if (targetingHelper.canSee(entity)) {
if (sentinel.timeSinceAttack < sentinel.attackRateRanged) {
if (sentinel.rangedChase) {
rechase();
}
return false;
}
sentinel.timeSinceAttack = 0;
weaponHelper.fireEgg(entity.getEyeLocation());
if (sentinel.needsAmmo) {
itemHelper.takeOne();
itemHelper.grabNextItem();
}
return true;
}
else if (sentinel.rangedChase) {
chase(entity);
return false;
}
}
else if (itemHelper.usesPearl()) {
if (targetingHelper.canSee(entity)) {
if (sentinel.timeSinceAttack < sentinel.attackRateRanged) {
if (sentinel.rangedChase) {
rechase();
}
return false;
}
sentinel.timeSinceAttack = 0;
weaponHelper.firePearl(entity);
if (sentinel.needsAmmo) {
itemHelper.takeOne();
itemHelper.grabNextItem();
}
return true;
}
else if (sentinel.rangedChase) {
chase(entity);
return false;
}
}
else if (itemHelper.usesWitherSkull()) {
if (targetingHelper.canSee(entity)) {
if (sentinel.timeSinceAttack < sentinel.attackRateRanged) {
if (sentinel.rangedChase) {
rechase();
}
return false;
}
sentinel.timeSinceAttack = 0;
weaponHelper.fireSkull(entity.getEyeLocation());
if (sentinel.needsAmmo) {
itemHelper.takeOne();
itemHelper.grabNextItem();
}
return true;
}
else if (sentinel.rangedChase) {
chase(entity);
return false;
}
}
else if (itemHelper.usesFireball()) {
if (targetingHelper.canSee(entity)) {
if (sentinel.timeSinceAttack < sentinel.attackRateRanged) {
if (sentinel.rangedChase) {
rechase();
}
return false;
}
sentinel.timeSinceAttack = 0;
weaponHelper.fireFireball(entity.getEyeLocation());
if (sentinel.needsAmmo) {
itemHelper.takeOne();
itemHelper.grabNextItem();
}
return true;
}
else if (sentinel.rangedChase) {
chase(entity);
return false;
}
}
else if (itemHelper.usesLightning()) {
if (targetingHelper.canSee(entity)) {
if (sentinel.timeSinceAttack < sentinel.attackRateRanged) {
if (sentinel.rangedChase) {
rechase();
}
return false;
}
sentinel.timeSinceAttack = 0;
sentinel.swingWeapon();
entity.getWorld().strikeLightningEffect(entity.getLocation());
if (SentinelPlugin.debugMe) {
debug("Lightning hits for " + sentinel.getDamage());
}
entity.damage(sentinel.getDamage());
if (sentinel.needsAmmo) {
itemHelper.takeOne();
itemHelper.grabNextItem();
}
return true;
}
else if (sentinel.rangedChase) {
chase(entity);
return false;
}
}
else if (itemHelper.usesSpectral()) {
if (targetingHelper.canSee(entity)) {
if (sentinel.timeSinceAttack < sentinel.attackRateRanged) {
if (sentinel.rangedChase) {
rechase();
}
return false;
}
sentinel.timeSinceAttack = 0;
if (!entity.isGlowing()) {
sentinel.swingWeapon();
try {
Sound snd = SentinelPlugin.instance.spectralSound;
if (snd != null) {
entity.getWorld().playSound(entity.getLocation(), snd, 1f, 1f);
}
}
catch (Exception e) {
// Do nothing!
}
entity.setGlowing(true);
if (sentinel.needsAmmo) {
itemHelper.takeOne();
itemHelper.grabNextItem();
}
return true;
}
}
else if (sentinel.rangedChase) {
chase(entity);
return false;
}
}
else {
if (dist < sentinel.reach * sentinel.reach) {
if (sentinel.timeSinceAttack < sentinel.attackRate) {
if (SentinelPlugin.debugMe) {
debug("tryAttack refused, timeSinceAttack");
}
if (sentinel.closeChase) {
rechase();
}
return false;
}
sentinel.timeSinceAttack = 0;
// TODO: Damage sword if needed!
if (SentinelPlugin.debugMe) {
debug("tryAttack passed!");
}
weaponHelper.punch(entity);
if (sentinel.needsAmmo && itemHelper.shouldTakeDura()) {
itemHelper.reduceDurability();
itemHelper.grabNextItem();
}
return true;
}
else if (sentinel.closeChase) {
if (SentinelPlugin.debugMe) {
debug("tryAttack refused, range");
}
chase(entity);
return false;
}
}
return false;
}
}