304 lines
9.7 KiB
Java
304 lines
9.7 KiB
Java
package net.citizensnpcs.trait;
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import java.util.Random;
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import org.bukkit.Bukkit;
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import org.bukkit.GameMode;
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import org.bukkit.Location;
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import org.bukkit.entity.Entity;
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import org.bukkit.entity.LivingEntity;
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import org.bukkit.entity.Player;
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import org.bukkit.metadata.MetadataValue;
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import org.bukkit.potion.PotionEffectType;
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import net.citizensnpcs.Settings.Setting;
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import net.citizensnpcs.api.CitizensAPI;
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import net.citizensnpcs.api.command.CommandConfigurable;
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import net.citizensnpcs.api.command.CommandContext;
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import net.citizensnpcs.api.command.CommandMessages;
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import net.citizensnpcs.api.command.exception.CommandException;
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import net.citizensnpcs.api.event.NPCLookCloseChangeTargetEvent;
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import net.citizensnpcs.api.persistence.Persist;
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import net.citizensnpcs.api.trait.Trait;
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import net.citizensnpcs.api.trait.TraitName;
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import net.citizensnpcs.api.util.DataKey;
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import net.citizensnpcs.util.NMS;
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import net.citizensnpcs.util.Util;
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/**
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* Persists the /npc lookclose metadata
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*
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*/
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@TraitName("lookclose")
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public class LookClose extends Trait implements Toggleable, CommandConfigurable {
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@Persist("disablewhilenavigating")
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private boolean disableWhileNavigating = Setting.DISABLE_LOOKCLOSE_WHILE_NAVIGATING.asBoolean();
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@Persist("enabled")
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private boolean enabled = Setting.DEFAULT_LOOK_CLOSE.asBoolean();
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@Persist
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private boolean enableRandomLook = Setting.DEFAULT_RANDOM_LOOK_CLOSE.asBoolean();
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private Player lookingAt;
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@Persist
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private int randomLookDelay = Setting.DEFAULT_RANDOM_LOOK_DELAY.asInt();
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@Persist
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private float[] randomPitchRange = { 0, 0 };
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@Persist
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private float[] randomYawRange = { 0, 360 };
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private double range = Setting.DEFAULT_LOOK_CLOSE_RANGE.asDouble();
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@Persist("realisticlooking")
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private boolean realisticLooking = Setting.DEFAULT_REALISTIC_LOOKING.asBoolean();
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private int t;
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public LookClose() {
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super("lookclose");
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}
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private boolean canSee(Player player) {
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if (player == null || !player.isValid())
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return false;
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return realisticLooking && npc.getEntity() instanceof LivingEntity
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? ((LivingEntity) npc.getEntity()).hasLineOfSight(player)
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: true;
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}
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/**
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* Returns whether the target can be seen. Will use realistic line of sight if {@link #setRealisticLooking(boolean)}
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* is true.
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*/
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public boolean canSeeTarget() {
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return canSee(lookingAt);
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}
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@Override
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public void configure(CommandContext args) throws CommandException {
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try {
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range = args.getFlagDouble("range", args.getFlagDouble("r", range));
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} catch (NumberFormatException ex) {
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throw new CommandException(CommandMessages.INVALID_NUMBER);
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}
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realisticLooking = args.hasFlag('r');
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}
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public boolean disableWhileNavigating() {
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return disableWhileNavigating;
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}
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/**
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* Finds a new look-close target
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*/
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public void findNewTarget() {
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double min = range * range;
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Player old = lookingAt;
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for (Entity entity : npc.getEntity().getNearbyEntities(range, range, range)) {
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if (!(entity instanceof Player))
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continue;
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Player player = (Player) entity;
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Location location = player.getLocation(CACHE_LOCATION);
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if (location.getWorld() != NPC_LOCATION.getWorld())
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continue;
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double dist = location.distanceSquared(NPC_LOCATION);
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if (dist > min || CitizensAPI.getNPCRegistry().getNPC(entity) != null || isInvisible(player))
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continue;
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min = dist;
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lookingAt = player;
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}
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if (old != lookingAt) {
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NPCLookCloseChangeTargetEvent event = new NPCLookCloseChangeTargetEvent(npc, old, lookingAt);
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Bukkit.getPluginManager().callEvent(event);
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if (lookingAt != event.getNewTarget() && event.getNewTarget() != null && !isValid(event.getNewTarget())) {
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return;
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}
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lookingAt = event.getNewTarget();
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}
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}
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public int getRandomLookDelay() {
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return randomLookDelay;
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}
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public float[] getRandomLookPitchRange() {
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return randomPitchRange;
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}
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public float[] getRandomLookYawRange() {
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return randomYawRange;
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}
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public double getRange() {
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return range;
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}
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public Player getTarget() {
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return lookingAt;
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}
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private boolean isEqual(float[] array) {
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return Math.abs(array[0] - array[1]) < 0.001;
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}
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private boolean isInvisible(Player player) {
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return player.getGameMode() == GameMode.SPECTATOR || player.hasPotionEffect(PotionEffectType.INVISIBILITY)
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|| isPluginVanished(player) || !canSee(player);
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}
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private boolean isPluginVanished(Player player) {
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for (MetadataValue meta : player.getMetadata("vanished")) {
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if (meta.asBoolean()) {
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return true;
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}
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}
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return false;
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}
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public boolean isRandomLook() {
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return enableRandomLook;
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}
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private boolean isValid(Player entity) {
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return entity.isOnline() && entity.isValid() && entity.getWorld() == npc.getEntity().getWorld()
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&& entity.getLocation(PLAYER_LOCATION).distanceSquared(NPC_LOCATION) < range * range
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&& !isInvisible(entity);
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}
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@Override
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public void load(DataKey key) {
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range = key.getDouble("range");
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}
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/**
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* Enables/disables the trait
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*/
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public void lookClose(boolean lookClose) {
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enabled = lookClose;
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}
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@Override
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public void onDespawn() {
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NPCLookCloseChangeTargetEvent event = new NPCLookCloseChangeTargetEvent(npc, lookingAt, null);
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Bukkit.getPluginManager().callEvent(event);
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if (event.getNewTarget() != null && isValid(event.getNewTarget())) {
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lookingAt = event.getNewTarget();
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} else {
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lookingAt = null;
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}
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}
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private void randomLook() {
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Random rand = new Random();
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float pitch = isEqual(randomPitchRange) ? randomPitchRange[0]
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: rand.doubles(randomPitchRange[0], randomPitchRange[1]).iterator().next().floatValue();
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float yaw = isEqual(randomYawRange) ? randomYawRange[0]
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: rand.doubles(randomYawRange[0], randomYawRange[1]).iterator().next().floatValue();
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Util.assumePose(npc.getEntity(), yaw, pitch);
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}
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@Override
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public void run() {
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if (!enabled || !npc.isSpawned()) {
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return;
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}
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if (npc.getNavigator().isNavigating() && disableWhileNavigating()) {
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return;
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}
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npc.getEntity().getLocation(NPC_LOCATION);
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if (tryInvalidateTarget()) {
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findNewTarget();
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}
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if (npc.getNavigator().isNavigating()) {
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npc.getNavigator().setPaused(lookingAt != null);
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} else if (lookingAt == null && enableRandomLook && t <= 0) {
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randomLook();
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t = randomLookDelay;
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}
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t--;
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if (lookingAt == null)
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return;
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Util.faceEntity(npc.getEntity(), lookingAt);
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if (npc.getEntity().getType().name().equals("SHULKER")) {
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boolean wasSilent = npc.getEntity().isSilent();
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npc.getEntity().setSilent(true);
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NMS.setPeekShulker(npc.getEntity(), 100 - 4 * (int) Math
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.floor(npc.getStoredLocation().distanceSquared(lookingAt.getLocation(PLAYER_LOCATION))));
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npc.getEntity().setSilent(wasSilent);
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}
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}
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@Override
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public void save(DataKey key) {
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key.setDouble("range", range);
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}
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public void setDisableWhileNavigating(boolean set) {
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disableWhileNavigating = set;
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}
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/**
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* Enables random looking - will look at a random {@link Location} every so often if enabled.
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*/
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public void setRandomLook(boolean enableRandomLook) {
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this.enableRandomLook = enableRandomLook;
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}
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/**
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* Sets the delay between random looking in ticks
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*/
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public void setRandomLookDelay(int delay) {
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this.randomLookDelay = delay;
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}
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public void setRandomLookPitchRange(float min, float max) {
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this.randomPitchRange = new float[] { min, max };
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}
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public void setRandomLookYawRange(float min, float max) {
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this.randomYawRange = new float[] { min, max };
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}
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/**
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* Sets the maximum range in blocks to look at other Entities
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*/
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public void setRange(int range) {
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this.range = range;
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}
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/**
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* Enables/disables realistic looking (using line of sight checks). More computationally expensive.
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*/
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public void setRealisticLooking(boolean realistic) {
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this.realisticLooking = realistic;
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}
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@Override
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public boolean toggle() {
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enabled = !enabled;
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return enabled;
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}
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@Override
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public String toString() {
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return "LookClose{" + enabled + "}";
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}
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private boolean tryInvalidateTarget() {
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if (lookingAt == null)
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return true;
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if (!isValid(lookingAt)) {
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NPCLookCloseChangeTargetEvent event = new NPCLookCloseChangeTargetEvent(npc, lookingAt, null);
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Bukkit.getPluginManager().callEvent(event);
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if (event.getNewTarget() != null && isValid(event.getNewTarget())) {
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lookingAt = event.getNewTarget();
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} else {
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lookingAt = null;
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}
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}
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return lookingAt == null;
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}
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public boolean useRealisticLooking() {
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return realisticLooking;
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}
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private static final Location CACHE_LOCATION = new Location(null, 0, 0, 0);
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private static final Location NPC_LOCATION = new Location(null, 0, 0, 0);
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private static final Location PLAYER_LOCATION = new Location(null, 0, 0, 0);
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} |