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AreaEnterExitScriptEvent.java
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AreaEnterExitScriptEvent.java
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package com.denizenscript.denizen.events.player;
import com.denizenscript.denizen.events.BukkitScriptEvent;
import com.denizenscript.denizen.objects.*;
import com.denizenscript.denizen.objects.notable.NotableManager;
import com.denizenscript.denizen.utilities.debugging.Debug;
import com.denizenscript.denizen.utilities.implementation.BukkitScriptEntryData;
import com.denizenscript.denizencore.objects.ObjectTag;
import com.denizenscript.denizencore.objects.core.ElementTag;
import com.denizenscript.denizencore.objects.notable.Notable;
import com.denizenscript.denizencore.scripts.ScriptEntryData;
import com.denizenscript.denizencore.utilities.CoreUtilities;
import org.bukkit.Location;
import org.bukkit.block.Biome;
import org.bukkit.entity.Entity;
import org.bukkit.entity.Player;
import org.bukkit.event.Event;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.player.*;
import org.bukkit.event.vehicle.VehicleMoveEvent;
import java.util.*;
public class AreaEnterExitScriptEvent extends BukkitScriptEvent implements Listener {
// <--[event]
// @Events
// player enters <area>
// player exits <area>
// player enters/exits cuboid
// player enters/exits ellipsoid
//
// @Regex ^on player (enters|exits) [^\s]+$
//
// @Group Player
//
// @Triggers when a player enters or exits a noted area (cuboid or ellipsoid).
//
// @Warning cancelling this event will have different results depending on the cause. Teleporting the player away 1 tick later might be safer.
//
// @Cancellable true
//
// @Context
// <context.area> returns the area object that was entered or exited.
// <context.cause> returns the cause of the event. Can be: WALK, WORLD_CHANGE, JOIN, QUIT, TELEPORT, VEHICLE.
// <context.to> returns the location the player moved to.
// <context.from> returns the location the player moved from (when available).
//
// @Player Always.
//
// -->
public AreaEnterExitScriptEvent() {
instance = this;
}
public static AreaEnterExitScriptEvent instance;
public PlayerTag currentPlayer;
public AreaContainmentObject area;
public boolean isEntering;
public Location to;
@Override
public boolean couldMatch(ScriptPath path) {
if (!path.eventLower.startsWith("player enters") && !path.eventLower.startsWith("player exits")) {
return false;
}
if (path.eventArgLowerAt(2).equals("biome") || exactMatchesEnum(path.eventArgLowerAt(2), Biome.values())) {
return false;
}
if (exactMatchEntity(path.eventArgLowerAt(2))) {
return false;
}
if (path.eventArgLowerAt(2).equals("bed") || path.eventArgLowerAt(2).equals("portal")) {
return false;
}
return true;
}
@Override
public boolean matches(ScriptPath path) {
if (isEntering && !path.eventArgLowerAt(1).equals("enters")) {
return false;
}
if (!isEntering && !path.eventArgLowerAt(1).equals("exits")) {
return false;
}
String areaName = path.eventArgLowerAt(2);
if (areaName.equals("notable")) {
areaName = path.eventArgLowerAt(3);
}
if (areaName.equals("cuboid")) {
if (!(area instanceof CuboidTag)) {
return false;
}
}
else if (areaName.equals("ellipsoid")) {
if (!(area instanceof EllipsoidTag)) {
return false;
}
}
else {
if (!runGenericCheck(areaName, area.getNoteName())) {
return false;
}
}
return super.matches(path);
}
@Override
public String getName() {
return "AreaEnterExit";
}
@Override
public ScriptEntryData getScriptEntryData() {
return new BukkitScriptEntryData(currentPlayer, null);
}
@Override
public ObjectTag getContext(String name) {
if (name.equals("area")) {
return area;
}
else if (name.equals("cause")) {
String cause;
if (currentEvent instanceof PlayerJoinEvent) {
cause = "JOIN";
}
else if (currentEvent instanceof PlayerQuitEvent) {
cause = "QUIT";
}
else if (currentEvent instanceof PlayerChangedWorldEvent) {
cause = "WORLD_CHANGE";
}
else if (currentEvent instanceof PlayerTeleportEvent) {
cause = "TELEPORT";
}
else if (currentEvent instanceof VehicleMoveEvent) {
cause = "VEHICLE";
}
else if (currentEvent instanceof PlayerMoveEvent) {
cause = "WALK";
}
else {
cause = "UNKNOWN";
}
return new ElementTag(cause);
}
else if (name.equals("to")) {
return new LocationTag(to);
}
else if (name.equals("from")) {
if (currentEvent instanceof PlayerMoveEvent) {
return new LocationTag(((PlayerMoveEvent) currentEvent).getFrom());
}
else if (currentEvent instanceof VehicleMoveEvent) {
return new LocationTag(((VehicleMoveEvent) currentEvent).getFrom());
}
else {
return new LocationTag(currentPlayer.getLocation());
}
}
return super.getContext(name);
}
@Override
public void init() {
super.init();
doTrackAll = false;
boolean needsMatchers = false;
HashSet<String> exacts = new HashSet<>();
List<MatchHelper> matchList = new ArrayList<>();
for (ScriptPath path : eventPaths) {
String area = path.eventArgLowerAt(2);
if (area.equals("notable")) {
area = path.eventArgLowerAt(3);
}
if (area.equals("cuboid")) {
doTrackAll = true;
break;
}
else if (area.equals("ellipsoid")) {
doTrackAll = true;
break;
}
MatchHelper matcher = createMatcher(area);
if (matcher instanceof AlwaysMatchHelper) {
doTrackAll = true;
break;
}
else if (!needsMatchers && (matcher instanceof ExactMatchHelper)) {
exacts.add(area);
}
else {
needsMatchers = true;
}
matchList.add(matcher);
}
exactTracked = needsMatchers ? null : exacts.toArray(new String[0]);
matchers = needsMatchers ? matchList.toArray(new MatchHelper[0]) : null;
}
public boolean doTrackAll = false;
public String[] exactTracked = null;
public MatchHelper[] matchers = null;
public static HashMap<UUID, HashSet<String>> playersInArea = new HashMap<>();
@Override
public void cancellationChanged() {
if (cancelled) {
HashSet<String> inAreas = playersInArea.get(currentPlayer.getOfflinePlayer().getUniqueId());
if (isEntering) {
inAreas.remove(CoreUtilities.toLowerCase(area.getNoteName()));
}
else {
inAreas.add(CoreUtilities.toLowerCase(area.getNoteName()));
}
}
super.cancellationChanged();
}
public boolean anyMatch(String name) {
if (doTrackAll) {
return true;
}
for (MatchHelper matcher : matchers) {
if (matcher.doesMatch(name)) {
return true;
}
}
return false;
}
public void processSingle(AreaContainmentObject obj, Player player, HashSet<String> inAreas, Location pos, Event eventCause) {
boolean containedNow = obj.doesContainLocation(pos);
boolean wasContained = inAreas != null && inAreas.contains(obj.getNoteName());
if (containedNow == wasContained) {
return;
}
if (containedNow) {
inAreas.add(obj.getNoteName());
}
else {
inAreas.remove(obj.getNoteName());
}
currentPlayer = new PlayerTag(player);
isEntering = containedNow;
area = obj;
to = pos;
fire(eventCause);
}
public void processNewPosition(Player player, Location pos, Event eventCause) {
if (EntityTag.isNPC(player)) {
return;
}
HashSet<String> inAreas = playersInArea.get(player.getUniqueId());
if (inAreas == null) {
inAreas = new HashSet<>();
playersInArea.put(player.getUniqueId(), inAreas);
}
if (doTrackAll || matchers != null) {
for (CuboidTag cuboid : NotableManager.getAllType(CuboidTag.class)) {
if (anyMatch(cuboid.noteName)) {
processSingle(cuboid, player, inAreas, pos, eventCause);
}
}
for (EllipsoidTag ellipsoid : NotableManager.getAllType(EllipsoidTag.class)) {
if (anyMatch(ellipsoid.noteName)) {
processSingle(ellipsoid, player, inAreas, pos, eventCause);
}
}
}
else {
for (String name : exactTracked) {
Notable obj = NotableManager.getSavedObject(name);
if (!(obj instanceof AreaContainmentObject)) {
Debug.echoError("Invalid area enter/exit event area '" + name + "'");
continue;
}
processSingle((AreaContainmentObject) obj, player, inAreas, pos, eventCause);
}
}
}
@EventHandler
public void onQuit(PlayerQuitEvent event) {
processNewPosition(event.getPlayer(), new Location(event.getPlayer().getWorld(), 10000000d, 10000000d, 10000000d), event);
playersInArea.remove(event.getPlayer().getUniqueId());
}
@EventHandler
public void onJoin(PlayerJoinEvent event) {
processNewPosition(event.getPlayer(), event.getPlayer().getLocation(), event);
}
@EventHandler
public void onMove(PlayerMoveEvent event) {
if (LocationTag.isSameBlock(event.getFrom(), event.getTo())) {
return;
}
processNewPosition(event.getPlayer(), event.getTo(), event);
}
@EventHandler
public void onTeleport(PlayerTeleportEvent event) {
processNewPosition(event.getPlayer(), event.getTo(), event);
}
@EventHandler
public void onWorldChange(PlayerChangedWorldEvent event) {
processNewPosition(event.getPlayer(), event.getPlayer().getLocation(), event);
}
@EventHandler
public void onVehicleMove(VehicleMoveEvent event) {
if (LocationTag.isSameBlock(event.getFrom(), event.getTo())) {
return;
}
for (Entity entity : event.getVehicle().getPassengers()) {
if (EntityTag.isPlayer(entity)) {
processNewPosition((Player) entity, event.getTo(), event);
}
}
}
}