Handle edge cases of EntityChangeBlockEvent (#3163)

* Handle edge cases of EntityChangeBlockEvent

* Remove excessive plot area existence check

Co-authored-by: NotMyFault <mc.cache@web.de>
This commit is contained in:
Traks 2021-07-21 21:57:42 +02:00 committed by GitHub
parent a0557112a1
commit fbde60fcf9
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23

View File

@ -26,25 +26,37 @@
package com.plotsquared.bukkit.listener;
import com.google.inject.Inject;
import com.plotsquared.bukkit.player.BukkitPlayer;
import com.plotsquared.bukkit.util.BukkitEntityUtil;
import com.plotsquared.bukkit.util.BukkitUtil;
import com.plotsquared.core.PlotSquared;
import com.plotsquared.core.configuration.Settings;
import com.plotsquared.core.listener.PlayerBlockEventType;
import com.plotsquared.core.location.Location;
import com.plotsquared.core.permissions.Permission;
import com.plotsquared.core.player.PlotPlayer;
import com.plotsquared.core.plot.Plot;
import com.plotsquared.core.plot.PlotArea;
import com.plotsquared.core.plot.PlotHandler;
import com.plotsquared.core.plot.flag.implementations.DisablePhysicsFlag;
import com.plotsquared.core.plot.flag.implementations.EntityChangeBlockFlag;
import com.plotsquared.core.plot.flag.implementations.ExplosionFlag;
import com.plotsquared.core.plot.flag.implementations.InvincibleFlag;
import com.plotsquared.core.plot.world.PlotAreaManager;
import com.plotsquared.core.util.EventDispatcher;
import com.plotsquared.core.util.Permissions;
import com.sk89q.worldedit.bukkit.BukkitAdapter;
import com.sk89q.worldedit.world.block.BlockType;
import org.bukkit.Material;
import org.bukkit.World;
import org.bukkit.block.Block;
import org.bukkit.entity.Ageable;
import org.bukkit.entity.Boat;
import org.bukkit.entity.Entity;
import org.bukkit.entity.EntityType;
import org.bukkit.entity.FallingBlock;
import org.bukkit.entity.Player;
import org.bukkit.entity.Projectile;
import org.bukkit.entity.TNTPrimed;
import org.bukkit.entity.Vehicle;
import org.bukkit.event.EventHandler;
@ -61,6 +73,8 @@ import org.bukkit.event.vehicle.VehicleCreateEvent;
import org.bukkit.metadata.FixedMetadataValue;
import org.bukkit.metadata.MetadataValue;
import org.bukkit.plugin.Plugin;
import org.bukkit.projectiles.BlockProjectileSource;
import org.bukkit.projectiles.ProjectileSource;
import org.checkerframework.checker.nullness.qual.NonNull;
import java.util.Iterator;
@ -70,11 +84,16 @@ import java.util.List;
public class EntityEventListener implements Listener {
private final PlotAreaManager plotAreaManager;
private final EventDispatcher eventDispatcher;
private float lastRadius;
@Inject
public EntityEventListener(final @NonNull PlotAreaManager plotAreaManager) {
public EntityEventListener(
final @NonNull PlotAreaManager plotAreaManager,
final @NonNull EventDispatcher eventDispatcher
) {
this.plotAreaManager = plotAreaManager;
this.eventDispatcher = eventDispatcher;
}
@EventHandler(priority = EventPriority.HIGHEST)
@ -310,16 +329,89 @@ public class EntityEventListener implements Listener {
@EventHandler(priority = EventPriority.HIGHEST, ignoreCancelled = true)
public void onPeskyMobsChangeTheWorldLikeWTFEvent(EntityChangeBlockEvent event) {
Entity e = event.getEntity();
if (!(e instanceof FallingBlock)) {
Location location = BukkitUtil.adapt(event.getBlock().getLocation());
PlotArea area = location.getPlotArea();
if (area != null) {
Plot plot = area.getOwnedPlot(location);
if (plot != null && !plot.getFlag(EntityChangeBlockFlag.class)) {
plot.debug(e.getType() + " could not change block because entity-change-block = false");
Material type = event.getBlock().getType();
Location location = BukkitUtil.adapt(event.getBlock().getLocation());
PlotArea area = location.getPlotArea();
if (area == null) {
return;
}
if (e instanceof FallingBlock) {
// allow falling blocks converting to blocks and vice versa
return;
} else if (e instanceof Boat) {
// allow boats destroying lily pads
if (type == Material.LILY_PAD) {
return;
}
} else if (e instanceof Player player) {
BukkitPlayer pp = BukkitUtil.adapt(player);
if (type.toString().equals("POWDER_SNOW")) {
// Burning player evaporating powder snow. Use same checks as
// trampling farmland
BlockType blockType = BukkitAdapter.asBlockType(type);
if (!this.eventDispatcher.checkPlayerBlockEvent(pp,
PlayerBlockEventType.TRIGGER_PHYSICAL, location, blockType, true)) {
event.setCancelled(true);
}
return;
} else {
// already handled by other flags (mainly the 'use' flag):
// - player tilting big dripleaf by standing on it
// - player picking glow berries from cave vine
// - player trampling farmland
// - player standing on or clicking redstone ore
return;
}
} else if (e instanceof Projectile entity) {
// Exact same as the ProjectileHitEvent listener, except that we let
// the entity-change-block determine what to do with shooters that
// aren't players and aren't blocks
Plot plot = area.getPlot(location);
ProjectileSource shooter = entity.getShooter();
if (shooter instanceof Player) {
PlotPlayer<?> pp = BukkitUtil.adapt((Player) shooter);
if (plot == null) {
if (!Permissions.hasPermission(pp, Permission.PERMISSION_PROJECTILE_UNOWNED)) {
entity.remove();
event.setCancelled(true);
}
return;
}
if (plot.isAdded(pp.getUUID()) || Permissions
.hasPermission(pp, Permission.PERMISSION_PROJECTILE_OTHER)) {
return;
}
entity.remove();
event.setCancelled(true);
return;
}
if (!(shooter instanceof Entity) && shooter != null) {
if (plot == null) {
entity.remove();
event.setCancelled(true);
return;
}
Location sLoc =
BukkitUtil.adapt(((BlockProjectileSource) shooter).getBlock().getLocation());
if (!area.contains(sLoc.getX(), sLoc.getZ())) {
entity.remove();
event.setCancelled(true);
return;
}
Plot sPlot = area.getOwnedPlotAbs(sLoc);
if (sPlot == null || !PlotHandler.sameOwners(plot, sPlot)) {
entity.remove();
event.setCancelled(true);
}
return;
}
// fall back to entity-change-block flag
}
Plot plot = area.getOwnedPlot(location);
if (plot != null && !plot.getFlag(EntityChangeBlockFlag.class)) {
plot.debug(e.getType() + " could not change block because entity-change-block = false");
event.setCancelled(true);
}
}