476 lines
17 KiB
Java
476 lines
17 KiB
Java
package net.citizensnpcs.trait.waypoint;
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import java.util.Iterator;
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import java.util.List;
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import javax.annotation.Nullable;
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import org.bukkit.Bukkit;
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import org.bukkit.ChatColor;
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import org.bukkit.Location;
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import org.bukkit.command.CommandSender;
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import org.bukkit.conversations.Conversation;
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import org.bukkit.entity.Player;
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import org.bukkit.event.EventHandler;
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import org.bukkit.event.block.Action;
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import org.bukkit.event.player.AsyncPlayerChatEvent;
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import org.bukkit.event.player.PlayerInteractEntityEvent;
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import org.bukkit.event.player.PlayerInteractEvent;
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import org.bukkit.event.player.PlayerItemHeldEvent;
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import org.bukkit.inventory.EquipmentSlot;
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import com.google.common.collect.Lists;
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import net.citizensnpcs.api.CitizensAPI;
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import net.citizensnpcs.api.ai.Goal;
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import net.citizensnpcs.api.ai.GoalSelector;
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import net.citizensnpcs.api.ai.Navigator;
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import net.citizensnpcs.api.ai.event.CancelReason;
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import net.citizensnpcs.api.ai.event.NavigatorCallback;
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import net.citizensnpcs.api.command.CommandContext;
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import net.citizensnpcs.api.command.exception.CommandException;
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import net.citizensnpcs.api.event.NPCDespawnEvent;
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import net.citizensnpcs.api.event.NPCRemoveEvent;
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import net.citizensnpcs.api.npc.NPC;
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import net.citizensnpcs.api.persistence.PersistenceLoader;
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import net.citizensnpcs.api.util.DataKey;
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import net.citizensnpcs.api.util.Messaging;
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import net.citizensnpcs.editor.Editor;
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import net.citizensnpcs.trait.waypoint.WaypointProvider.EnumerableWaypointProvider;
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import net.citizensnpcs.trait.waypoint.triggers.TriggerEditPrompt;
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import net.citizensnpcs.util.Messages;
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import net.citizensnpcs.util.Util;
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public class LinearWaypointProvider implements EnumerableWaypointProvider {
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private LinearWaypointGoal currentGoal;
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private NPC npc;
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private final List<Waypoint> waypoints = Lists.newArrayList();
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@Override
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public WaypointEditor createEditor(CommandSender sender, CommandContext args) {
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if (args.hasFlag('h')) {
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try {
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if (args.getSenderLocation() != null) {
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waypoints.add(new Waypoint(args.getSenderLocation()));
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}
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} catch (CommandException e) {
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Messaging.sendError(sender, e.getMessage());
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}
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return null;
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} else if (args.hasValueFlag("at")) {
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try {
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Location location = CommandContext.parseLocation(args.getSenderLocation(), args.getFlag("at"));
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if (location != null) {
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waypoints.add(new Waypoint(location));
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}
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} catch (CommandException e) {
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Messaging.sendError(sender, e.getMessage());
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}
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return null;
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} else if (args.hasFlag('c')) {
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waypoints.clear();
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return null;
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} else if (args.hasFlag('l')) {
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if (waypoints.size() > 0) {
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waypoints.remove(waypoints.size() - 1);
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}
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return null;
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} else if (args.hasFlag('p')) {
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setPaused(!isPaused());
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return null;
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} else if (!(sender instanceof Player)) {
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Messaging.sendErrorTr(sender, Messages.COMMAND_MUST_BE_INGAME);
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return null;
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}
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return new LinearWaypointEditor((Player) sender);
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}
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public Waypoint getCurrentWaypoint() {
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if (currentGoal != null && currentGoal.currentDestination != null) {
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return currentGoal.currentDestination;
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}
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return null;
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}
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@Override
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public boolean isPaused() {
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return currentGoal.isPaused();
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}
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@Override
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public void load(DataKey key) {
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for (DataKey root : key.getRelative("points").getIntegerSubKeys()) {
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Waypoint waypoint = PersistenceLoader.load(Waypoint.class, root);
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if (waypoint == null)
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continue;
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waypoints.add(waypoint);
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}
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}
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@Override
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public void onRemove() {
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npc.getDefaultGoalController().removeGoal(currentGoal);
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}
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@Override
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public void onSpawn(NPC npc) {
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this.npc = npc;
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if (currentGoal == null) {
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currentGoal = new LinearWaypointGoal();
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npc.getDefaultGoalController().addGoal(currentGoal, 1);
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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.removeKey("points");
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key = key.getRelative("points");
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for (int i = 0; i < waypoints.size(); ++i) {
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PersistenceLoader.save(waypoints.get(i), key.getRelative(i));
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}
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}
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@Override
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public void setPaused(boolean paused) {
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currentGoal.setPaused(paused);
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}
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@Override
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public Iterable<Waypoint> waypoints() {
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return waypoints;
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}
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private final class LinearWaypointEditor extends WaypointEditor {
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Conversation conversation;
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boolean editing = true;
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int editingSlot = waypoints.size() - 1;
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WaypointMarkers markers;
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private final Player player;
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private boolean showPath;
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private LinearWaypointEditor(Player player) {
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this.player = player;
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this.markers = new WaypointMarkers(player.getWorld());
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}
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@Override
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public void begin() {
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Messaging.sendTr(player, Messages.LINEAR_WAYPOINT_EDITOR_BEGIN);
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}
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private void clearWaypoints() {
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editingSlot = 0;
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waypoints.clear();
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onWaypointsModified();
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markers.destroyWaypointMarkers();
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Messaging.sendTr(player, Messages.LINEAR_WAYPOINT_EDITOR_WAYPOINTS_CLEARED);
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}
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private void createWaypointMarkers() {
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for (int i = 0; i < waypoints.size(); i++) {
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markers.createWaypointMarker(waypoints.get(i));
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}
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}
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@Override
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public void end() {
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if (!editing)
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return;
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if (conversation != null)
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conversation.abandon();
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Messaging.sendTr(player, Messages.LINEAR_WAYPOINT_EDITOR_END);
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editing = false;
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if (!showPath)
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return;
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markers.destroyWaypointMarkers();
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}
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private String formatLoc(Location location) {
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return String.format("[[%d]], [[%d]], [[%d]]", location.getBlockX(), location.getBlockY(),
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location.getBlockZ());
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}
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@Override
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public Waypoint getCurrentWaypoint() {
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if (waypoints.size() == 0 || !editing) {
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return null;
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}
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normaliseEditingSlot();
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return waypoints.get(editingSlot);
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}
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private Location getPreviousWaypoint(int fromSlot) {
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if (waypoints.size() <= 1)
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return null;
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if (--fromSlot < 0)
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fromSlot = waypoints.size() - 1;
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return waypoints.get(fromSlot).getLocation();
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}
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private void normaliseEditingSlot() {
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editingSlot = Math.max(0, Math.min(waypoints.size() - 1, editingSlot));
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}
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@EventHandler
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public void onNPCDespawn(NPCDespawnEvent event) {
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if (event.getNPC().equals(npc)) {
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Editor.leave(player);
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}
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}
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@EventHandler
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public void onNPCRemove(NPCRemoveEvent event) {
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if (event.getNPC().equals(npc)) {
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Editor.leave(player);
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}
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}
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@EventHandler(ignoreCancelled = true)
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public void onPlayerChat(AsyncPlayerChatEvent event) {
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if (!event.getPlayer().equals(player))
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return;
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String message = event.getMessage();
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if (message.equalsIgnoreCase("triggers")) {
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event.setCancelled(true);
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Bukkit.getScheduler().scheduleSyncDelayedTask(CitizensAPI.getPlugin(), new Runnable() {
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@Override
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public void run() {
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conversation = TriggerEditPrompt.start(player, LinearWaypointEditor.this);
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}
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});
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} else if (message.equalsIgnoreCase("clear")) {
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event.setCancelled(true);
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Bukkit.getScheduler().scheduleSyncDelayedTask(CitizensAPI.getPlugin(), new Runnable() {
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@Override
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public void run() {
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clearWaypoints();
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}
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});
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} else if (message.equalsIgnoreCase("toggle path")) {
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event.setCancelled(true);
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Bukkit.getScheduler().scheduleSyncDelayedTask(CitizensAPI.getPlugin(), new Runnable() {
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@Override
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public void run() {
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// we need to spawn entities on the main thread.
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togglePath();
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}
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});
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}
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}
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@EventHandler(ignoreCancelled = true)
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public void onPlayerInteract(PlayerInteractEvent event) {
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if (!event.getPlayer().equals(player) || event.getAction() == Action.PHYSICAL || !npc.isSpawned()
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|| event.getPlayer().getWorld() != npc.getEntity().getWorld()
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|| event.getHand() == EquipmentSlot.OFF_HAND)
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return;
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if (event.getAction() == Action.LEFT_CLICK_BLOCK || event.getAction() == Action.LEFT_CLICK_AIR) {
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if (event.getClickedBlock() == null)
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return;
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event.setCancelled(true);
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Location at = event.getClickedBlock().getLocation();
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Location prev = getPreviousWaypoint(editingSlot);
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if (prev != null) {
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double distance = at.distanceSquared(prev);
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double maxDistance = Math.pow(npc.getNavigator().getDefaultParameters().range(), 2);
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if (distance > maxDistance) {
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Messaging.sendErrorTr(player, Messages.LINEAR_WAYPOINT_EDITOR_RANGE_EXCEEDED,
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Math.sqrt(distance), Math.sqrt(maxDistance), ChatColor.RED);
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return;
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}
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}
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Waypoint element = new Waypoint(at);
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normaliseEditingSlot();
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waypoints.add(editingSlot, element);
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if (showPath) {
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markers.createWaypointMarker(element);
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}
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editingSlot = Math.min(editingSlot + 1, waypoints.size());
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Messaging.sendTr(player, Messages.LINEAR_WAYPOINT_EDITOR_ADDED_WAYPOINT, formatLoc(at), editingSlot + 1,
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waypoints.size());
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} else if (waypoints.size() > 0) {
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event.setCancelled(true);
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normaliseEditingSlot();
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Waypoint waypoint = waypoints.remove(editingSlot);
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if (showPath) {
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markers.removeWaypointMarker(waypoint);
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}
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editingSlot = Math.max(0, editingSlot - 1);
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Messaging.sendTr(player, Messages.LINEAR_WAYPOINT_EDITOR_REMOVED_WAYPOINT, waypoints.size(),
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editingSlot + 1);
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}
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onWaypointsModified();
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}
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@EventHandler(ignoreCancelled = true)
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public void onPlayerInteractEntity(PlayerInteractEntityEvent event) {
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if (!player.equals(event.getPlayer()) || !showPath || event.getHand() == EquipmentSlot.OFF_HAND)
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return;
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if (!event.getRightClicked().hasMetadata("waypointindex"))
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return;
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editingSlot = event.getRightClicked().getMetadata("waypointindex").get(0).asInt();
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Messaging.sendTr(player, Messages.LINEAR_WAYPOINT_EDITOR_EDIT_SLOT_SET, editingSlot,
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formatLoc(waypoints.get(editingSlot).getLocation()));
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}
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@EventHandler
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public void onPlayerItemHeldChange(PlayerItemHeldEvent event) {
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if (!event.getPlayer().equals(player) || waypoints.size() == 0)
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return;
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int previousSlot = event.getPreviousSlot(), newSlot = event.getNewSlot();
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// handle wrap-arounds
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if (previousSlot == 0 && newSlot == LARGEST_SLOT) {
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editingSlot--;
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} else if (previousSlot == LARGEST_SLOT && newSlot == 0) {
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editingSlot++;
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} else {
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int diff = newSlot - previousSlot;
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if (Math.abs(diff) != 1)
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return; // the player isn't scrolling
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editingSlot += diff > 0 ? 1 : -1;
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}
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normaliseEditingSlot();
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Messaging.sendTr(player, Messages.LINEAR_WAYPOINT_EDITOR_EDIT_SLOT_SET, editingSlot,
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formatLoc(waypoints.get(editingSlot).getLocation()));
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}
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private void onWaypointsModified() {
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if (currentGoal != null) {
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currentGoal.onProviderChanged();
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}
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}
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private void togglePath() {
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showPath = !showPath;
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if (showPath) {
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createWaypointMarkers();
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Messaging.sendTr(player, Messages.LINEAR_WAYPOINT_EDITOR_SHOWING_MARKERS);
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} else {
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markers.destroyWaypointMarkers();
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Messaging.sendTr(player, Messages.LINEAR_WAYPOINT_EDITOR_NOT_SHOWING_MARKERS);
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}
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}
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private static final int LARGEST_SLOT = 8;
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}
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private class LinearWaypointGoal implements Goal {
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private final Location cachedLocation = new Location(null, 0, 0, 0);
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private Waypoint currentDestination;
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private Iterator<Waypoint> itr;
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private boolean paused;
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private GoalSelector selector;
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private void ensureItr() {
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if (itr == null) {
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itr = getUnsafeIterator();
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} else if (!itr.hasNext()) {
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itr = getNewIterator();
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}
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}
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private Navigator getNavigator() {
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return npc.getNavigator();
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}
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private Iterator<Waypoint> getNewIterator() {
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LinearWaypointsCompleteEvent event = new LinearWaypointsCompleteEvent(LinearWaypointProvider.this,
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getUnsafeIterator());
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Bukkit.getPluginManager().callEvent(event);
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Iterator<Waypoint> next = event.getNextWaypoints();
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return next;
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}
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private Iterator<Waypoint> getUnsafeIterator() {
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return new Iterator<Waypoint>() {
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int idx = 0;
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@Override
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public boolean hasNext() {
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return idx < waypoints.size();
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}
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@Override
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public Waypoint next() {
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return waypoints.get(idx++);
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}
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@Override
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public void remove() {
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waypoints.remove(Math.max(0, idx - 1));
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}
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};
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}
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public boolean isPaused() {
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return paused;
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}
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public void onProviderChanged() {
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itr = getUnsafeIterator();
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if (currentDestination != null) {
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if (selector != null) {
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selector.finish();
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}
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if (npc != null && npc.getNavigator().isNavigating()) {
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npc.getNavigator().cancelNavigation();
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}
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}
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}
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@Override
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public void reset() {
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currentDestination = null;
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selector = null;
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}
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@Override
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public void run(GoalSelector selector) {
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if (!getNavigator().isNavigating()) {
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selector.finish();
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}
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}
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public void setPaused(boolean pause) {
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if (pause && currentDestination != null) {
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selector.finish();
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}
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paused = pause;
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}
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@Override
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public boolean shouldExecute(final GoalSelector selector) {
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if (paused || currentDestination != null || !npc.isSpawned() || getNavigator().isNavigating()) {
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return false;
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}
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ensureItr();
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boolean shouldExecute = itr.hasNext();
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if (!shouldExecute) {
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return false;
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}
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this.selector = selector;
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Waypoint next = itr.next();
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Location npcLoc = npc.getEntity().getLocation(cachedLocation);
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if (npcLoc.getWorld() != next.getLocation().getWorld() || npcLoc.distanceSquared(next.getLocation()) < npc
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.getNavigator().getLocalParameters().distanceMargin()) {
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return false;
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}
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currentDestination = next;
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getNavigator().setTarget(currentDestination.getLocation());
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getNavigator().getLocalParameters().addSingleUseCallback(new NavigatorCallback() {
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@Override
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public void onCompletion(@Nullable CancelReason cancelReason) {
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if (npc.isSpawned() && currentDestination != null && Util
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.locationWithinRange(npc.getEntity().getLocation(), currentDestination.getLocation(), 4)) {
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currentDestination.onReach(npc);
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}
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selector.finish();
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}
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});
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return true;
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}
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}
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}
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