/
EventListen.java
940 lines (825 loc) · 38.8 KB
/
EventListen.java
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package net.citizensnpcs;
import java.lang.reflect.Method;
import java.util.Arrays;
import java.util.List;
import org.bukkit.Bukkit;
import org.bukkit.Location;
import org.bukkit.Material;
import org.bukkit.entity.Entity;
import org.bukkit.entity.EntityType;
import org.bukkit.entity.FishHook;
import org.bukkit.entity.LivingEntity;
import org.bukkit.entity.Minecart;
import org.bukkit.entity.Player;
import org.bukkit.entity.Snowman;
import org.bukkit.entity.Vehicle;
import org.bukkit.event.Cancellable;
import org.bukkit.event.Event;
import org.bukkit.event.EventHandler;
import org.bukkit.event.EventPriority;
import org.bukkit.event.HandlerList;
import org.bukkit.event.Listener;
import org.bukkit.event.block.EntityBlockFormEvent;
import org.bukkit.event.entity.CreatureSpawnEvent;
import org.bukkit.event.entity.EntityCombustByBlockEvent;
import org.bukkit.event.entity.EntityCombustByEntityEvent;
import org.bukkit.event.entity.EntityCombustEvent;
import org.bukkit.event.entity.EntityDamageByBlockEvent;
import org.bukkit.event.entity.EntityDamageByEntityEvent;
import org.bukkit.event.entity.EntityDamageEvent;
import org.bukkit.event.entity.EntityDeathEvent;
import org.bukkit.event.entity.EntityPortalEvent;
import org.bukkit.event.entity.EntityTameEvent;
import org.bukkit.event.entity.EntityTargetEvent;
import org.bukkit.event.entity.EntityTransformEvent;
import org.bukkit.event.entity.ItemDespawnEvent;
import org.bukkit.event.entity.PlayerDeathEvent;
import org.bukkit.event.entity.PlayerLeashEntityEvent;
import org.bukkit.event.entity.PotionSplashEvent;
import org.bukkit.event.entity.ProjectileHitEvent;
import org.bukkit.event.player.PlayerChangedWorldEvent;
import org.bukkit.event.player.PlayerFishEvent;
import org.bukkit.event.player.PlayerInteractEntityEvent;
import org.bukkit.event.player.PlayerJoinEvent;
import org.bukkit.event.player.PlayerMoveEvent;
import org.bukkit.event.player.PlayerQuitEvent;
import org.bukkit.event.player.PlayerRespawnEvent;
import org.bukkit.event.player.PlayerTeleportEvent;
import org.bukkit.event.player.PlayerTeleportEvent.TeleportCause;
import org.bukkit.event.server.PluginDisableEvent;
import org.bukkit.event.vehicle.VehicleDamageEvent;
import org.bukkit.event.vehicle.VehicleDestroyEvent;
import org.bukkit.event.vehicle.VehicleEnterEvent;
import org.bukkit.event.world.ChunkEvent;
import org.bukkit.event.world.ChunkLoadEvent;
import org.bukkit.event.world.ChunkUnloadEvent;
import org.bukkit.event.world.EntitiesLoadEvent;
import org.bukkit.event.world.EntitiesUnloadEvent;
import org.bukkit.event.world.WorldLoadEvent;
import org.bukkit.event.world.WorldUnloadEvent;
import org.bukkit.plugin.PluginDescriptionFile;
import org.bukkit.plugin.RegisteredListener;
import org.bukkit.scheduler.BukkitRunnable;
import org.bukkit.util.Vector;
import com.google.common.base.Joiner;
import com.google.common.base.Predicates;
import com.google.common.collect.ArrayListMultimap;
import com.google.common.collect.Iterables;
import com.google.common.collect.ListMultimap;
import com.google.common.collect.Lists;
import net.citizensnpcs.Settings.Setting;
import net.citizensnpcs.api.CitizensAPI;
import net.citizensnpcs.api.ai.event.NavigationBeginEvent;
import net.citizensnpcs.api.ai.event.NavigationCompleteEvent;
import net.citizensnpcs.api.event.CitizensPreReloadEvent;
import net.citizensnpcs.api.event.CommandSenderCreateNPCEvent;
import net.citizensnpcs.api.event.DespawnReason;
import net.citizensnpcs.api.event.EntityTargetNPCEvent;
import net.citizensnpcs.api.event.NPCCombustByBlockEvent;
import net.citizensnpcs.api.event.NPCCombustByEntityEvent;
import net.citizensnpcs.api.event.NPCCombustEvent;
import net.citizensnpcs.api.event.NPCDamageByBlockEvent;
import net.citizensnpcs.api.event.NPCDamageByEntityEvent;
import net.citizensnpcs.api.event.NPCDamageEntityEvent;
import net.citizensnpcs.api.event.NPCDamageEvent;
import net.citizensnpcs.api.event.NPCDeathEvent;
import net.citizensnpcs.api.event.NPCDespawnEvent;
import net.citizensnpcs.api.event.NPCKnockbackEvent;
import net.citizensnpcs.api.event.NPCLeftClickEvent;
import net.citizensnpcs.api.event.NPCLinkToPlayerEvent;
import net.citizensnpcs.api.event.NPCPushEvent;
import net.citizensnpcs.api.event.NPCRemoveEvent;
import net.citizensnpcs.api.event.NPCRightClickEvent;
import net.citizensnpcs.api.event.NPCSeenByPlayerEvent;
import net.citizensnpcs.api.event.NPCSpawnEvent;
import net.citizensnpcs.api.event.NPCVehicleDamageEvent;
import net.citizensnpcs.api.event.PlayerCreateNPCEvent;
import net.citizensnpcs.api.event.SpawnReason;
import net.citizensnpcs.api.npc.NPC;
import net.citizensnpcs.api.trait.trait.Owner;
import net.citizensnpcs.api.trait.trait.PlayerFilter;
import net.citizensnpcs.api.util.Messaging;
import net.citizensnpcs.editor.Editor;
import net.citizensnpcs.npc.ai.NPCHolder;
import net.citizensnpcs.npc.skin.SkinUpdateTracker;
import net.citizensnpcs.trait.ClickRedirectTrait;
import net.citizensnpcs.trait.CommandTrait;
import net.citizensnpcs.trait.Controllable;
import net.citizensnpcs.trait.CurrentLocation;
import net.citizensnpcs.trait.HologramTrait;
import net.citizensnpcs.trait.ShopTrait;
import net.citizensnpcs.util.ChunkCoord;
import net.citizensnpcs.util.Messages;
import net.citizensnpcs.util.NMS;
import net.citizensnpcs.util.PlayerAnimation;
import net.citizensnpcs.util.Util;
public class EventListen implements Listener {
private Listener chunkEventListener;
private final SkinUpdateTracker skinUpdateTracker;
private final ListMultimap<ChunkCoord, NPC> toRespawn = ArrayListMultimap.create(64, 4);
EventListen() {
this.skinUpdateTracker = new SkinUpdateTracker();
try {
Class.forName("org.bukkit.event.world.EntitiesLoadEvent");
Bukkit.getPluginManager().registerEvents(new Listener() {
@EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
public void onEntitiesLoad(EntitiesLoadEvent event) {
loadNPCs(event);
}
@EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
public void onEntitiesUnload(EntitiesUnloadEvent event) {
unloadNPCs(event, event.getEntities());
}
}, CitizensAPI.getPlugin());
} catch (Throwable ex) {
}
try {
Class.forName("org.bukkit.event.entity.EntityTransformEvent");
Bukkit.getPluginManager().registerEvents(new Listener() {
@EventHandler
public void onEntityTransform(EntityTransformEvent event) {
NPC npc = CitizensAPI.getNPCRegistry().getNPC(event.getEntity());
if (npc == null)
return;
if (npc.isProtected()) {
event.setCancelled(true);
}
}
}, CitizensAPI.getPlugin());
} catch (Throwable ex) {
}
Class<?> kbc = null;
try {
kbc = Class.forName("com.destroystokyo.paper.event.entity.EntityKnockbackByEntityEvent");
} catch (ClassNotFoundException e) {
}
if (kbc != null) {
registerKnockbackEvent(kbc);
}
Class<?> pbeac = null;
try {
pbeac = Class.forName("io.papermc.paper.event.entity.EntityPushedByEntityAttackEvent");
} catch (ClassNotFoundException e) {
}
if (pbeac != null) {
registerPushEvent(pbeac);
}
}
private void checkCreationEvent(CommandSenderCreateNPCEvent event) {
if (event.getCreator().hasPermission("citizens.admin.avoid-limits"))
return;
int limit = Setting.DEFAULT_NPC_LIMIT.asInt();
int maxChecks = Setting.MAX_NPC_LIMIT_CHECKS.asInt();
for (int i = maxChecks; i >= 0; i--) {
if (!event.getCreator().hasPermission("citizens.npc.limit." + i))
continue;
limit = i;
break;
}
if (limit < 0)
return;
int owned = 0;
for (NPC npc : CitizensAPI.getNPCRegistry()) {
if (!event.getNPC().equals(npc) && npc.hasTrait(Owner.class)
&& npc.getTraitNullable(Owner.class).isOwnedBy(event.getCreator())) {
owned++;
}
}
int wouldOwn = owned + 1;
if (wouldOwn > limit) {
event.setCancelled(true);
event.setCancelReason(Messaging.tr(Messages.OVER_NPC_LIMIT, limit));
}
}
private Iterable<NPC> getAllNPCs() {
return Iterables.filter(Iterables.concat(CitizensAPI.getNPCRegistries()), Predicates.notNull());
}
void loadNPCs(ChunkEvent event) {
ChunkCoord coord = new ChunkCoord(event.getChunk());
Runnable runnable = () -> respawnAllFromCoord(coord, event);
if (Messaging.isDebugging() && Setting.DEBUG_CHUNK_LOADS.asBoolean() && toRespawn.containsKey(coord)) {
new Exception("CITIZENS CHUNK LOAD DEBUG " + coord).printStackTrace();
}
if (event instanceof Cancellable) {
runnable.run();
} else {
Bukkit.getScheduler().scheduleSyncDelayedTask(CitizensAPI.getPlugin(), runnable);
}
}
@EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
public void onChunkLoad(ChunkLoadEvent event) {
if (chunkEventListener != null)
return;
loadNPCs(event);
}
@EventHandler(priority = EventPriority.HIGHEST, ignoreCancelled = true)
public void onChunkUnload(final ChunkUnloadEvent event) {
if (chunkEventListener != null)
return;
unloadNPCs(event, Arrays.asList(event.getChunk().getEntities()));
}
@EventHandler(priority = EventPriority.MONITOR)
public void onCitizensReload(CitizensPreReloadEvent event) {
skinUpdateTracker.reset();
toRespawn.clear();
}
@EventHandler(ignoreCancelled = true)
public void onCommandSenderCreateNPC(CommandSenderCreateNPCEvent event) {
checkCreationEvent(event);
}
@EventHandler
public void onEntityBlockForm(EntityBlockFormEvent event) {
NPC npc = CitizensAPI.getNPCRegistry().getNPC(event.getEntity());
if (npc == null)
return;
if (npc.getEntity() instanceof Snowman) {
event.setCancelled(true);
}
}
@EventHandler
public void onEntityCombust(EntityCombustEvent event) {
NPC npc = CitizensAPI.getNPCRegistry().getNPC(event.getEntity());
if (npc == null)
return;
event.setCancelled(npc.isProtected());
if (event instanceof EntityCombustByEntityEvent) {
Bukkit.getPluginManager().callEvent(new NPCCombustByEntityEvent((EntityCombustByEntityEvent) event, npc));
} else if (event instanceof EntityCombustByBlockEvent) {
Bukkit.getPluginManager().callEvent(new NPCCombustByBlockEvent((EntityCombustByBlockEvent) event, npc));
} else {
Bukkit.getPluginManager().callEvent(new NPCCombustEvent(event, npc));
}
}
@EventHandler(priority = EventPriority.LOWEST)
public void onEntityDamage(EntityDamageEvent event) {
NPC npc = CitizensAPI.getNPCRegistry().getNPC(event.getEntity());
if (npc == null) {
if (event instanceof EntityDamageByEntityEvent) {
npc = CitizensAPI.getNPCRegistry().getNPC(((EntityDamageByEntityEvent) event).getDamager());
if (npc == null)
return;
event.setCancelled(!npc.data().get(NPC.Metadata.DAMAGE_OTHERS, true));
NPCDamageEntityEvent damageEvent = new NPCDamageEntityEvent(npc, (EntityDamageByEntityEvent) event);
Bukkit.getPluginManager().callEvent(damageEvent);
}
return;
}
event.setCancelled(npc.isProtected());
if (event instanceof EntityDamageByEntityEvent) {
NPCDamageByEntityEvent damageEvent = new NPCDamageByEntityEvent(npc, (EntityDamageByEntityEvent) event);
Bukkit.getPluginManager().callEvent(damageEvent);
if (!damageEvent.isCancelled() || !(damageEvent.getDamager() instanceof Player))
return;
Player damager = (Player) damageEvent.getDamager();
if (npc.hasTrait(ClickRedirectTrait.class)) {
npc = npc.getTraitNullable(ClickRedirectTrait.class).getRedirectNPC();
if (npc == null)
return;
}
NPCLeftClickEvent leftClickEvent = new NPCLeftClickEvent(npc, damager);
Bukkit.getPluginManager().callEvent(leftClickEvent);
if (npc.hasTrait(CommandTrait.class)) {
npc.getTraitNullable(CommandTrait.class).dispatch(damager, CommandTrait.Hand.LEFT);
}
} else if (event instanceof EntityDamageByBlockEvent) {
Bukkit.getPluginManager().callEvent(new NPCDamageByBlockEvent(npc, (EntityDamageByBlockEvent) event));
} else {
Bukkit.getPluginManager().callEvent(new NPCDamageEvent(npc, event));
}
}
@EventHandler(ignoreCancelled = true)
public void onEntityDeath(EntityDeathEvent event) {
final NPC npc = CitizensAPI.getNPCRegistry().getNPC(event.getEntity());
if (npc == null)
return;
if (!npc.data().get(NPC.Metadata.DROPS_ITEMS, false)) {
event.getDrops().clear();
}
final Location location = npc.getStoredLocation();
Bukkit.getPluginManager().callEvent(new NPCDeathEvent(npc, event));
npc.despawn(DespawnReason.DEATH);
int delay = npc.data().get(NPC.Metadata.RESPAWN_DELAY, -1);
if (delay < 0)
return;
int deathAnimationTicks = event.getEntity() instanceof LivingEntity ? 20 : 2;
Bukkit.getScheduler().scheduleSyncDelayedTask(CitizensAPI.getPlugin(), () -> {
if (!npc.isSpawned() && npc.getOwningRegistry().getByUniqueId(npc.getUniqueId()) == npc) {
npc.spawn(location, SpawnReason.TIMED_RESPAWN);
}
}, delay + deathAnimationTicks);
}
@EventHandler
public void onEntityPortal(EntityPortalEvent event) {
NPC npc = CitizensAPI.getNPCRegistry().getNPC(event.getEntity());
if (npc == null || npc.getEntity().getType() != EntityType.PLAYER)
return;
event.setCancelled(true);
npc.despawn(DespawnReason.PENDING_RESPAWN);
event.getTo().getChunk();
npc.spawn(event.getTo(), SpawnReason.RESPAWN);
}
@EventHandler(priority = EventPriority.HIGHEST)
public void onEntitySpawn(CreatureSpawnEvent event) {
if (event.isCancelled() && CitizensAPI.getNPCRegistry().isNPC(event.getEntity())) {
event.setCancelled(false);
}
}
@EventHandler(ignoreCancelled = true)
public void onEntityTame(EntityTameEvent event) {
NPC npc = CitizensAPI.getNPCRegistry().getNPC(event.getEntity());
if (npc == null || !npc.isProtected())
return;
event.setCancelled(true);
}
@EventHandler
public void onEntityTarget(EntityTargetEvent event) {
NPC npc = CitizensAPI.getNPCRegistry().getNPC(event.getTarget());
if (npc == null)
return;
event.setCancelled(!npc.data().get(NPC.Metadata.TARGETABLE, !npc.isProtected()));
Bukkit.getPluginManager().callEvent(new EntityTargetNPCEvent(event, npc));
}
@EventHandler(ignoreCancelled = true)
public void onItemDespawn(ItemDespawnEvent event) {
NPC npc = CitizensAPI.getNPCRegistry().getNPC(event.getEntity());
if (npc == null)
return;
event.setCancelled(true);
}
@EventHandler
public void onNavigationBegin(NavigationBeginEvent event) {
skinUpdateTracker.onNPCNavigationBegin(event.getNPC());
}
@EventHandler
public void onNavigationComplete(NavigationCompleteEvent event) {
skinUpdateTracker.onNPCNavigationComplete(event.getNPC());
}
@EventHandler
public void onNeedsRespawn(NPCNeedsRespawnEvent event) {
ChunkCoord coord = new ChunkCoord(event.getSpawnLocation());
if (toRespawn.containsEntry(coord, event.getNPC()))
return;
Messaging.debug("Stored", event.getNPC(), "for respawn from NPCNeedsRespawnEvent");
toRespawn.put(coord, event.getNPC());
}
@EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
public void onNPCDespawn(NPCDespawnEvent event) {
if (event.getReason() == DespawnReason.PLUGIN || event.getReason() == DespawnReason.REMOVAL
|| event.getReason() == DespawnReason.RELOAD) {
Messaging.idebug(() -> Joiner.on(' ').join("Preventing further respawns of", event.getNPC(),
"due to DespawnReason." + event.getReason()));
toRespawn.values().remove(event.getNPC());
} else {
Messaging.idebug(() -> Joiner.on(' ').join("Removing", event.getNPC(),
"from skin tracker due to DespawnReason." + event.getReason().name()));
}
skinUpdateTracker.onNPCDespawn(event.getNPC());
}
@EventHandler
public void onNPCKnockback(NPCKnockbackEvent event) {
if (event.getNPC().data().has(NPC.Metadata.KNOCKBACK)) {
event.setCancelled(!event.getNPC().data().get(NPC.Metadata.KNOCKBACK, true));
}
}
@EventHandler(ignoreCancelled = true)
public void onNPCLinkToPlayer(NPCLinkToPlayerEvent event) {
NPC npc = event.getNPC();
ClickRedirectTrait crt = npc.getTraitNullable(ClickRedirectTrait.class);
if (crt != null) {
HologramTrait ht = crt.getRedirectNPC().getTraitNullable(HologramTrait.class);
if (ht != null) {
ht.onHologramSeenByPlayer(npc, event.getPlayer());
}
}
/* TODO
if (npc.isSpawned() && npc.getEntity().getType() == EntityType.PLAYER) {
onNPCPlayerLinkToPlayer(event);
}
*/
}
private void onNPCPlayerLinkToPlayer(NPCLinkToPlayerEvent event) {
Entity tracker = event.getNPC().getEntity();
Bukkit.getScheduler().scheduleSyncDelayedTask(CitizensAPI.getPlugin(), () -> {
if (!tracker.isValid() || !event.getPlayer().isValid())
return;
NMS.sendPositionUpdate(tracker, false, null, null, NMS.getHeadYaw(tracker));
}, Setting.TABLIST_REMOVE_PACKET_DELAY.asTicks() + 1);
boolean resetYaw = event.getNPC().data().get(NPC.Metadata.RESET_YAW_ON_SPAWN,
Setting.RESET_YAW_ON_SPAWN.asBoolean());
boolean sendTabRemove = NMS.sendTabListAdd(event.getPlayer(), (Player) tracker);
if (!sendTabRemove || !Setting.DISABLE_TABLIST.asBoolean()) {
if (resetYaw) {
// Bukkit.getScheduler().scheduleSyncDelayedTask(CitizensAPI.getPlugin(),
// () -> PlayerAnimation.ARM_SWING.play((Player) tracker, event.getPlayer()), 1);
}
return;
}
Bukkit.getScheduler().scheduleSyncDelayedTask(CitizensAPI.getPlugin(), () -> {
if (!tracker.isValid() || !event.getPlayer().isValid())
return;
NMS.sendTabListRemove(event.getPlayer(), (Player) tracker);
if (resetYaw) {
// PlayerAnimation.ARM_SWING.play((Player) tracker, event.getPlayer());
}
}, Setting.TABLIST_REMOVE_PACKET_DELAY.asTicks());
}
@EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
public void onNPCRemove(NPCRemoveEvent event) {
toRespawn.values().remove(event.getNPC());
}
@EventHandler(ignoreCancelled = true)
public void onNPCSeenByPlayer(NPCSeenByPlayerEvent event) {
NPC npc = event.getNPC();
ClickRedirectTrait crt = npc.getTraitNullable(ClickRedirectTrait.class);
if (crt != null) {
npc = crt.getRedirectNPC();
}
PlayerFilter pf = npc.getTraitNullable(PlayerFilter.class);
if (pf != null) {
event.setCancelled(pf.onSeenByPlayer(event.getPlayer()));
}
}
@EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
public void onNPCSpawn(NPCSpawnEvent event) {
skinUpdateTracker.onNPCSpawn(event.getNPC());
Messaging.idebug(() -> Joiner.on(' ').join("Removing respawns of", event.getNPC(),
"due to SpawnReason." + event.getReason()));
toRespawn.values().remove(event.getNPC());
}
@EventHandler
public void onPlayerChangedWorld(PlayerChangedWorldEvent event) {
skinUpdateTracker.removePlayer(event.getPlayer().getUniqueId());
skinUpdateTracker.updatePlayer(event.getPlayer(), 20, true);
if (CitizensAPI.getNPCRegistry().getNPC(event.getPlayer()) == null)
return;
Bukkit.getScheduler().scheduleSyncDelayedTask(CitizensAPI.getPlugin(), () -> {
NMS.replaceTracker(event.getPlayer());
NMS.removeFromServerPlayerList(event.getPlayer());
}, 1);
// on teleport, player NPCs are added to the server player list. this is
// undesirable as player NPCs are not real players and confuse plugins.
}
@EventHandler(ignoreCancelled = true)
public void onPlayerCreateNPC(PlayerCreateNPCEvent event) {
checkCreationEvent(event);
}
@EventHandler(ignoreCancelled = true)
public void onPlayerDeath(PlayerDeathEvent event) {
NPC npc = CitizensAPI.getNPCRegistry().getNPC(event.getEntity());
if (npc == null)
return;
if (npc.requiresNameHologram()) {
event.setDeathMessage(event.getDeathMessage().replace(event.getEntity().getName(), npc.getFullName()));
}
}
@EventHandler(ignoreCancelled = true)
public void onPlayerFish(PlayerFishEvent event) {
if (CitizensAPI.getNPCRegistry().isNPC(event.getCaught())
&& CitizensAPI.getNPCRegistry().getNPC(event.getCaught()).isProtected()) {
event.setCancelled(true);
}
}
@EventHandler(ignoreCancelled = true, priority = EventPriority.HIGHEST)
public void onPlayerInteractEntity(PlayerInteractEntityEvent event) {
NPC npc = CitizensAPI.getNPCRegistry().getNPC(event.getRightClicked());
if (npc == null || Util.isOffHand(event))
return;
ClickRedirectTrait crt = npc.getTraitNullable(ClickRedirectTrait.class);
if (crt != null && (npc = crt.getRedirectNPC()) == null)
return;
Player player = event.getPlayer();
NPCRightClickEvent rightClickEvent = new NPCRightClickEvent(npc, player);
if (event.getPlayer().getItemInHand().getType() == Material.NAME_TAG) {
rightClickEvent.setCancelled(npc.isProtected());
}
Bukkit.getPluginManager().callEvent(rightClickEvent);
if (rightClickEvent.isCancelled()) {
event.setCancelled(true);
return;
}
if (npc.hasTrait(CommandTrait.class)) {
npc.getTraitNullable(CommandTrait.class).dispatch(player, CommandTrait.Hand.RIGHT);
rightClickEvent.setDelayedCancellation(true);
}
if (npc.hasTrait(ShopTrait.class)) {
npc.getTraitNullable(ShopTrait.class).onRightClick(player);
rightClickEvent.setDelayedCancellation(true);
}
if (rightClickEvent.isDelayedCancellation()) {
event.setCancelled(true);
}
if (event.isCancelled()) {
if (SUPPORT_STOP_USE_ITEM) {
try {
PlayerAnimation.STOP_USE_ITEM.play(player);
Bukkit.getScheduler().scheduleSyncDelayedTask(CitizensAPI.getPlugin(),
() -> PlayerAnimation.STOP_USE_ITEM.play(player));
} catch (UnsupportedOperationException e) {
SUPPORT_STOP_USE_ITEM = false;
}
}
}
}
@EventHandler(priority = EventPriority.MONITOR)
public void onPlayerJoin(PlayerJoinEvent event) {
skinUpdateTracker.updatePlayer(event.getPlayer(), Setting.INITIAL_PLAYER_JOIN_SKIN_PACKET_DELAY.asTicks(),
true);
CitizensAPI.getLocationLookup().onJoin(event);
}
@EventHandler(ignoreCancelled = true)
public void onPlayerLeashEntity(PlayerLeashEntityEvent event) {
NPC npc = CitizensAPI.getNPCRegistry().getNPC(event.getEntity());
if (npc == null)
return;
boolean leashProtected = npc.isProtected();
if (npc.data().get(NPC.Metadata.LEASH_PROTECTED, leashProtected)) {
event.setCancelled(true);
}
}
// recalculate player NPCs the first time a player moves and every time
// a player moves a certain distance from their last position.
@EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
public void onPlayerMove(final PlayerMoveEvent event) {
skinUpdateTracker.onPlayerMove(event.getPlayer());
}
@EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
public void onPlayerQuit(PlayerQuitEvent event) {
Editor.leave(event.getPlayer());
if (event.getPlayer().isInsideVehicle()) {
NPC npc = CitizensAPI.getNPCRegistry().getNPC(event.getPlayer().getVehicle());
if (npc != null) {
event.getPlayer().leaveVehicle();
}
}
skinUpdateTracker.removePlayer(event.getPlayer().getUniqueId());
CitizensAPI.getLocationLookup().onQuit(event);
}
@EventHandler(priority = EventPriority.MONITOR)
public void onPlayerRespawn(PlayerRespawnEvent event) {
skinUpdateTracker.updatePlayer(event.getPlayer(), 15, true);
}
@EventHandler(ignoreCancelled = true)
public void onPlayerTeleport(final PlayerTeleportEvent event) {
NPC npc = CitizensAPI.getNPCRegistry().getNPC(event.getPlayer());
if (event.getCause() == TeleportCause.PLUGIN && npc != null && !npc.data().has("citizens-force-teleporting")
&& Setting.PLAYER_TELEPORT_DELAY.asTicks() > 0) {
event.setCancelled(true);
Bukkit.getScheduler().scheduleSyncDelayedTask(CitizensAPI.getPlugin(), () -> {
npc.data().set("citizens-force-teleporting", true);
event.getPlayer().teleport(event.getTo());
npc.data().remove("citizens-force-teleporting");
}, Setting.PLAYER_TELEPORT_DELAY.asTicks());
}
skinUpdateTracker.updatePlayer(event.getPlayer(), 15, true);
}
@EventHandler
public void onPluginDisable(PluginDisableEvent event) {
// hack: Spigot now unloads plugin classes on disable in reverse order so prefer unloading at the start of
// plugin disable cycle
PluginDescriptionFile file = event.getPlugin().getDescription();
for (String plugin : Iterables.concat(file.getDepend(), file.getSoftDepend())) {
if (plugin.equalsIgnoreCase("citizens") && CitizensAPI.hasImplementation()) {
((Citizens) CitizensAPI.getPlugin()).onDependentPluginDisable();
break;
}
}
}
@EventHandler(ignoreCancelled = true)
public void onPotionSplashEvent(PotionSplashEvent event) {
for (LivingEntity entity : event.getAffectedEntities()) {
NPC npc = CitizensAPI.getNPCRegistry().getNPC(entity);
if (npc == null)
continue;
if (npc.isProtected()) {
event.setIntensity(entity, 0);
}
}
}
@EventHandler(ignoreCancelled = true)
public void onProjectileHit(final ProjectileHitEvent event) {
if (!(event.getEntity() instanceof FishHook))
return;
NMS.removeHookIfNecessary((FishHook) event.getEntity());
new BukkitRunnable() {
int n = 0;
@Override
public void run() {
if (n++ > 5 || !CitizensAPI.hasImplementation()) {
cancel();
return;
}
NMS.removeHookIfNecessary((FishHook) event.getEntity());
}
}.runTaskTimer(CitizensAPI.getPlugin(), 0, 1);
}
@EventHandler
public void onVehicleDamage(VehicleDamageEvent event) {
NPC npc = CitizensAPI.getNPCRegistry().getNPC(event.getVehicle());
if (npc == null)
return;
event.setCancelled(npc.isProtected());
NPCVehicleDamageEvent damageEvent = new NPCVehicleDamageEvent(npc, event);
Bukkit.getPluginManager().callEvent(damageEvent);
if (!damageEvent.isCancelled() || !(damageEvent.getDamager() instanceof Player))
return;
Player damager = (Player) damageEvent.getDamager();
NPCLeftClickEvent leftClickEvent = new NPCLeftClickEvent(npc, damager);
Bukkit.getPluginManager().callEvent(leftClickEvent);
if (npc.hasTrait(CommandTrait.class)) {
npc.getTraitNullable(CommandTrait.class).dispatch(damager, CommandTrait.Hand.LEFT);
}
}
@EventHandler
public void onVehicleDestroy(VehicleDestroyEvent event) {
NPC npc = CitizensAPI.getNPCRegistry().getNPC(event.getVehicle());
if (npc == null)
return;
event.setCancelled(npc.isProtected());
}
@EventHandler(ignoreCancelled = true)
public void onVehicleEnter(final VehicleEnterEvent event) {
NPC npc = CitizensAPI.getNPCRegistry().getNPC(event.getVehicle());
NPC rider = CitizensAPI.getNPCRegistry().getNPC(event.getEntered());
if (npc == null) {
if (rider != null && rider.isProtected() && (event.getVehicle().getType().name().contains("BOAT")
|| event.getVehicle() instanceof Minecart)) {
event.setCancelled(true);
}
return;
}
if (npc.getEntity() instanceof Vehicle
&& (!npc.hasTrait(Controllable.class) || !npc.getTraitNullable(Controllable.class).isEnabled())) {
event.setCancelled(true);
}
}
@EventHandler(ignoreCancelled = true)
public void onWorldLoad(WorldLoadEvent event) {
for (ChunkCoord chunk : toRespawn.keySet()) {
if (!chunk.worldUUID.equals(event.getWorld().getUID()) || !event.getWorld().isChunkLoaded(chunk.x, chunk.z))
continue;
respawnAllFromCoord(chunk, event);
}
}
@EventHandler(priority = EventPriority.HIGHEST, ignoreCancelled = true)
public void onWorldUnload(WorldUnloadEvent event) {
for (NPC npc : getAllNPCs()) {
if (npc == null || !npc.isSpawned() || !npc.getEntity().getWorld().equals(event.getWorld()))
continue;
boolean despawned = npc.despawn(DespawnReason.WORLD_UNLOAD);
if (event.isCancelled() || !despawned) {
for (ChunkCoord coord : toRespawn.keySet()) {
if (event.getWorld().getUID().equals(coord.worldUUID)) {
respawnAllFromCoord(coord, event);
}
}
event.setCancelled(true);
return;
}
if (npc.isSpawned()) {
toRespawn.put(new ChunkCoord(npc.getEntity().getLocation()), npc);
Messaging.debug("Despawned", npc, "due to world unload at", event.getWorld().getName());
}
}
CitizensAPI.getLocationLookup().onWorldUnload(event);
}
private void registerKnockbackEvent(Class<?> kbc) {
try {
HandlerList handlers = (HandlerList) kbc.getMethod("getHandlerList").invoke(null);
Method getEntity = kbc.getMethod("getEntity");
Method getHitBy = kbc.getMethod("getHitBy");
Method getKnockbackStrength = kbc.getMethod("getKnockbackStrength");
Method getAcceleration = kbc.getMethod("getAcceleration");
handlers.register(new RegisteredListener(new Listener() {
}, (listener, event) -> {
try {
if (event.getClass() != kbc)
return;
Entity entity = (Entity) getEntity.invoke(event);
if (!(entity instanceof NPCHolder))
return;
NPC npc = ((NPCHolder) entity).getNPC();
Entity hitBy = (Entity) getHitBy.invoke(event);
float strength = (float) getKnockbackStrength.invoke(event);
Vector vector = (Vector) getAcceleration.invoke(event);
NPCKnockbackEvent kb = new NPCKnockbackEvent(npc, strength, vector, hitBy);
Bukkit.getPluginManager().callEvent(kb);
((Cancellable) event).setCancelled(kb.isCancelled());
} catch (Throwable ex) {
ex.printStackTrace();
}
}, EventPriority.NORMAL, CitizensAPI.getPlugin(), true));
} catch (Throwable ex) {
Messaging.severe("Error registering knockback event forwarder");
ex.printStackTrace();
}
}
private void registerPushEvent(Class<?> clazz) {
try {
HandlerList handlers = (HandlerList) clazz.getMethod("getHandlerList").invoke(null);
Method getEntity = clazz.getMethod("getEntity");
Method getPushedBy = clazz.getMethod("getPushedBy");
Method getAcceleration = clazz.getMethod("getAcceleration");
handlers.register(new RegisteredListener(new Listener() {
}, (listener, event) -> {
if (NPCPushEvent.getHandlerList().getRegisteredListeners().length == 0)
return;
if (event.getClass() != clazz)
return;
try {
Entity entity = (Entity) getEntity.invoke(event);
if (!(entity instanceof NPCHolder))
return;
NPC npc = ((NPCHolder) entity).getNPC();
Entity pushedBy = (Entity) getPushedBy.invoke(event);
Vector vector = (Vector) getAcceleration.invoke(event);
NPCPushEvent push = new NPCPushEvent(npc, vector, pushedBy);
Bukkit.getPluginManager().callEvent(push);
((Cancellable) event).setCancelled(push.isCancelled());
} catch (Throwable ex) {
ex.printStackTrace();
}
}, EventPriority.NORMAL, CitizensAPI.getPlugin(), true));
} catch (Throwable ex) {
Messaging.severe("Error registering push event forwarder");
ex.printStackTrace();
}
}
private void respawnAllFromCoord(ChunkCoord coord, Event event) {
List<NPC> ids = Lists.newArrayList(toRespawn.get(coord));
if (ids.size() > 0) {
Messaging.debug("Respawning all NPCs at", coord, "due to", event);
}
for (int i = 0; i < ids.size(); i++) {
NPC npc = ids.get(i);
if (npc.getOwningRegistry().getById(npc.getId()) != npc) {
Messaging.idebug(() -> "Prevented deregistered NPC from respawning " + npc);
continue;
}
if (npc.isSpawned()) {
Messaging.idebug(() -> "Can't respawn NPC " + npc + ": already spawned");
continue;
}
boolean success = spawn(npc);
if (!success) {
ids.remove(i--);
Messaging.idebug(() -> Joiner.on(' ').join("Couldn't respawn", npc, "during", event, "at", coord));
continue;
}
Messaging.idebug(() -> Joiner.on(' ').join("Spawned", npc, "during", event, "at", coord));
}
for (NPC npc : ids) {
toRespawn.remove(coord, npc);
}
}
private boolean spawn(NPC npc) {
Location spawn = npc.getOrAddTrait(CurrentLocation.class).getLocation();
if (spawn == null) {
Messaging.idebug(() -> Joiner.on(' ').join("Couldn't find a spawn location for despawned NPC", npc));
return false;
}
return npc.spawn(spawn, SpawnReason.CHUNK_LOAD);
}
void unloadNPCs(ChunkEvent event, List<Entity> entities) {
final List<NPC> toDespawn = Lists.newArrayList();
for (Entity entity : entities) {
NPC npc = CitizensAPI.getNPCRegistry().getNPC(entity);
// XXX : npc#isSpawned() checks entity valid status which is now inconsistent on chunk unload between
// different server software (e.g. Paper and Spigot), so check for npc.getEntity() == null instead.
if (npc == null || npc.getEntity() == null)
continue;
toDespawn.add(npc);
}
if (toDespawn.isEmpty())
return;
ChunkCoord coord = new ChunkCoord(event.getChunk());
boolean loadChunk = false;
for (NPC npc : toDespawn) {
if (!npc.despawn(DespawnReason.CHUNK_UNLOAD)) {
if (!(event instanceof Cancellable)) {
Messaging.idebug(() -> Joiner.on(' ').join("Reloading chunk because", npc, "couldn't despawn"));
loadChunk = true;
toRespawn.put(coord, npc);
continue;
}
((Cancellable) event).setCancelled(true);
Messaging.debug("Cancelled chunk unload at", coord);
respawnAllFromCoord(coord, event);
return;
}
toRespawn.put(coord, npc);
Messaging.idebug(() -> Joiner.on(' ').join("Despawned", npc, "due to chunk unload at", coord));
}
if (Messaging.isDebugging() && Setting.DEBUG_CHUNK_LOADS.asBoolean()) {
new Exception("CITIZENS CHUNK UNLOAD DEBUG " + coord).printStackTrace();
}
if (loadChunk) {
Messaging.idebug(() -> Joiner.on(' ').join("Loading chunk in 10 ticks due to forced chunk load at", coord));
Bukkit.getScheduler().scheduleSyncDelayedTask(CitizensAPI.getPlugin(), () -> {
if (!event.getChunk().isLoaded()) {
event.getChunk().load();
}
}, 10);
}
}
private static boolean SUPPORT_STOP_USE_ITEM = true;
}