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209 lines
5.6 KiB
209 lines
5.6 KiB
/*
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* Copyright (c) 2018 Jitse Boonstra
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*/
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package net.jitse.npclib.internal;
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import com.mojang.authlib.GameProfile;
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import com.mojang.authlib.properties.Property;
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import net.jitse.npclib.NPCLib;
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import net.jitse.npclib.api.NPC;
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import net.jitse.npclib.api.events.NPCHideEvent;
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import net.jitse.npclib.api.events.NPCShowEvent;
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import net.jitse.npclib.api.skin.Skin;
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import org.bukkit.Bukkit;
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import org.bukkit.Location;
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import org.bukkit.entity.Player;
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import org.bukkit.util.Vector;
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import java.util.*;
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public abstract class SimpleNPC implements NPC, PacketHandler {
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protected final UUID uuid = UUID.randomUUID();
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protected final int entityId = Integer.MAX_VALUE - NPCManager.getAllNPCs().size();
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protected final String name = uuid.toString().replace("-", "").substring(0, 10);
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protected final GameProfile gameProfile = new GameProfile(uuid, name);
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protected final List<String> lines;
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private final Set<UUID> shown = new HashSet<>();
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private final Set<UUID> autoHidden = new HashSet<>();
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protected double cosFOV = Math.cos(Math.toRadians(60));
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protected NPCLib instance;
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protected Location location;
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protected Skin skin;
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public SimpleNPC(NPCLib instance, List<String> lines) {
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this.instance = instance;
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this.lines = lines == null ? Collections.emptyList() : lines;
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NPCManager.add(this);
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}
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protected GameProfile generateGameProfile(UUID uuid, String name) {
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GameProfile gameProfile = new GameProfile(uuid, name);
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if (skin != null) {
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gameProfile.getProperties().get("textures").clear();
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gameProfile.getProperties().get("textures").add(new Property(skin.getValue(), skin.getSignature()));
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}
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return gameProfile;
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}
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public NPCLib getInstance() {
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return instance;
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}
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@Override
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public String getId() {
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return name;
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}
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@Override
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public NPC setSkin(Skin skin) {
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this.skin = skin;
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return this;
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}
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@Override
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public void destroy() {
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destroy(true);
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}
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public void destroy(boolean scheduler) {
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NPCManager.remove(this);
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// Destroy NPC for every player that is still seeing it.
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for (UUID uuid : shown) {
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if (autoHidden.contains(uuid)) {
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continue;
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}
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hide(Bukkit.getPlayer(uuid), true, scheduler);
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}
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}
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public void disableFOV() {
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this.cosFOV = 0; // Or equals Math.cos(1/2 * Math.PI).
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}
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public void setFOV(double fov) {
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this.cosFOV = Math.cos(Math.toRadians(fov));
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}
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public Set<UUID> getShown() {
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return shown;
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}
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public Set<UUID> getAutoHidden() {
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return autoHidden;
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}
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@Override
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public Location getLocation() {
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return location;
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}
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public int getEntityId() {
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return entityId;
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}
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@Override
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public boolean isShown(Player player) {
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return shown.contains(player.getUniqueId()) && !autoHidden.contains(player.getUniqueId());
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}
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@Override
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public NPC setLocation(Location location) {
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this.location = location;
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return this;
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}
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@Override
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public NPC create() {
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createPackets();
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return this;
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}
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@Override
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public void show(Player player) {
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show(player, false);
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}
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public void show(Player player, boolean auto) {
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NPCShowEvent event = new NPCShowEvent(this, player, auto);
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Bukkit.getServer().getPluginManager().callEvent(event);
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if (event.isCancelled()) {
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return;
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}
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if (!canSeeNPC(player)) {
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if (!auto) {
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shown.add(player.getUniqueId());
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}
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autoHidden.add(player.getUniqueId());
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return;
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}
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if (auto) {
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sendShowPackets(player);
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} else {
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if (isShown(player)) {
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throw new RuntimeException("Cannot call show method twice.");
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}
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if (shown.contains(player.getUniqueId())) {
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return;
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}
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shown.add(player.getUniqueId());
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if (player.getWorld().equals(location.getWorld()) && player.getLocation().distance(location)
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<= instance.getAutoHideDistance()) {
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sendShowPackets(player);
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} else {
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autoHidden.add(player.getUniqueId());
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}
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}
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}
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private boolean canSeeNPC(Player player) {
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Vector dir = location.toVector().subtract(player.getEyeLocation().toVector()).normalize();
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return dir.dot(player.getLocation().getDirection()) >= cosFOV;
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}
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@Override
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public void hide(Player player) {
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hide(player, false, true);
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}
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public void hide(Player player, boolean auto, boolean scheduler) {
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NPCHideEvent event = new NPCHideEvent(this, player, auto);
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Bukkit.getServer().getPluginManager().callEvent(event);
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if (event.isCancelled()) {
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return;
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}
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if (auto) {
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sendHidePackets(player, scheduler);
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} else {
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if (!shown.contains(player.getUniqueId())) {
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throw new RuntimeException("Cannot call hide method without calling NPC#show.");
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}
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shown.remove(player.getUniqueId());
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if (player.getWorld().equals(location.getWorld()) && player.getLocation().distance(location)
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<= instance.getAutoHideDistance()) {
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sendHidePackets(player, scheduler);
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} else {
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autoHidden.remove(player.getUniqueId());
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}
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}
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}
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}
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