/**
 * Get whether the {@link Block} was probably transformed by a player.
 *
 * @return Whether the event is considered "manual."
 */
public final boolean isManual() {
  final Event event = getCause();

  if (event instanceof BlockPlaceEvent
      || event instanceof BlockBreakEvent
      || event instanceof PlayerBucketEmptyEvent
      || event instanceof PlayerBucketFillEvent) return true;

  if (event instanceof BlockIgniteEvent) {
    BlockIgniteEvent igniteEvent = (BlockIgniteEvent) event;
    if (igniteEvent.getCause() == BlockIgniteEvent.IgniteCause.FLINT_AND_STEEL
        && igniteEvent.getIgnitingEntity() != null) {
      return true;
    }
  }

  if (event instanceof ExplosionPrimeByEntityEvent
      && ((ExplosionPrimeByEntityEvent) event).getPrimer() instanceof Player) {
    return true;
  }

  return false;
}
 

@EventHandler(ignoreCancelled = true, priority = EventPriority.HIGHEST)
public void player(PlayerBucketEmptyEvent event) {
    if (!useEnhanceProtection) {
        return;
    }
    if (DisplayItem.getNowUsing() != DisplayType.REALITEM) {
        return;
    }
    final Block waterBlock = event.getBlockClicked().getRelative(event.getBlockFace());
    final Shop shop =
            getShopPlayer(waterBlock.getRelative(BlockFace.DOWN).getLocation(),true);
    if (shop == null) {
        return;
    }
    event.setCancelled(true);
    sendAlert(
            "[DisplayGuard] Player  "
                    + event.getPlayer().getName()
                    + " trying use water to move somethings on the shop top, QuickShop already remove it.");
}
 

/**
 * Return true if the block transformation was performed "by hand".
 *
 * Handled:
 *  - place
 *  - mine
 *  - bucket fill/empty
 *  - flint & steel fire/tnt
 *
 * Not handled:
 *  - bonemeal
 *  - probably lots of other things
 */
public boolean isManual() {
    final Event event = getCause();

    if(Types.instanceOfAny(
        event,
        BlockPlaceEvent.class,
        BlockBreakEvent.class,
        PlayerBucketEmptyEvent.class,
        PlayerBucketFillEvent.class
    )) return true;

    if(event instanceof BlockIgniteEvent) {
        BlockIgniteEvent igniteEvent = (BlockIgniteEvent) event;
        if(igniteEvent.getCause() == BlockIgniteEvent.IgniteCause.FLINT_AND_STEEL && igniteEvent.getIgnitingEntity() != null) {
            return true;
        }
    }

    if(event instanceof ExplosionPrimeByEntityEvent && ((ExplosionPrimeByEntityEvent) event).getPrimer() instanceof Player) {
        return true;
    }

    return false;
}
 

@EventHandler(priority = EventPriority.HIGHEST)
public void OnPlayerBucketEmptyEvent(PlayerBucketEmptyEvent event) {
	Resident resident = CivGlobal.getResident(event.getPlayer());

	if (resident == null) {
		event.setCancelled(true);
		return;
	}

	ChunkCoord coord = new ChunkCoord(event.getBlockClicked().getLocation());
	CultureChunk cc = CivGlobal.getCultureChunk(coord);
	if (cc != null) {
		if (event.getBucket().equals(Material.LAVA_BUCKET) || 
				event.getBucket().equals(Material.LAVA)) {
			
			if (!resident.hasTown() || (resident.getTown().getCiv() != cc.getCiv())) {
				CivMessage.sendError(event.getPlayer(), "You cannot place lava inside another civ's culture.");
				event.setCancelled(true);
				return;
			}
			
		}
	}
}
 

@EventHandler(priority = EventPriority.LOW)
public void onBucketEmpty(final PlayerBucketEmptyEvent e) {
    if (DEBUG)
        plugin.getLogger().info("DEBUG: " + e.getEventName());
    if (!Settings.newNether) {
        if (e.getPlayer().getWorld().getName().equalsIgnoreCase(Settings.worldName + "_nether")
                || e.getPlayer().getWorld().getName().equalsIgnoreCase(Settings.worldName + "_the_end")) {
            if (VaultHelper.checkPerm(e.getPlayer(), Settings.PERMPREFIX + "mod.bypassprotect")) {
                return;
            }
            if (!awayFromSpawn(e.getPlayer()) && !e.getPlayer().isOp()) {
                e.setCancelled(true);
            }
        }
    }
}
 

@SuppressWarnings("deprecation")
@EventWrapper
public void onPlayerBucketEmpty(final PlayerBucketEmptyEvent event) {
  Block block = event.getBlockClicked().getRelative(event.getBlockFace());
  Material contents = Materials.materialInBucket(event.getBucket());
  if (contents == null) {
    return;
  }
  BlockState newBlock = BlockStates.cloneWithMaterial(block, contents);

  this.callEvent(event, block.getState(), newBlock, event.getPlayer());
}
 

@SuppressWarnings("deprecation")
@EventWrapper
public void onPlayerBucketEmpty(final PlayerBucketEmptyEvent event) {
    Block block = event.getBlockClicked().getRelative(event.getBlockFace());
    Material contents = Materials.materialInBucket(event.getBucket());
    if(contents == null) {
        return;
    }
    BlockState newBlock = BlockStateUtils.cloneWithMaterial(block, contents);

    this.callEvent(event, block.getState(), newBlock, event.getPlayer());
}
 

@EventHandler(ignoreCancelled = true)
public void onBucketEmpty(PlayerBucketEmptyEvent event) {
    boolean cancel = shouldBlockAction(event.getBlockClicked().getLocation(), event.getPlayer(), "block_build");
    if (cancel) {
        event.setCancelled(true);
        event.getPlayer().sendMessage(Civs.getPrefix() +
                LocaleManager.getInstance().getTranslationWithPlaceholders(event.getPlayer(), LocaleConstants.REGION_PROTECTED));
    }
}
 

@EventHandler
public void onLiquidPlacePickup(PlayerBucketEmptyEvent e) {
    if (e != null) {
        BlockFace bf = e.getBlockFace();
        Vector v = new Vector(bf.getModX(), bf.getModY(), bf.getModZ());
        ChunkEventHelper.handleBlockEvent(e.getPlayer(), e.getBlockClicked().getLocation().add(v).getChunk(), e);
    }
}
 

@EventHandler(priority = EventPriority.LOWEST,ignoreCancelled = true)
public void checkBreaks(PlayerBucketEmptyEvent event)
{
	if(event.getPlayer().getGameMode() != GameMode.CREATIVE)
	{
		Area a = this.getArea(new Loc(event.getBlockClicked().getRelative(event.getBlockFace()).getLocation(),false));
		if(a != null)
		{
			event.setCancelled(true);
		}
	}
}
 

@EventHandler
public void onPlayerBucketEmpty(PlayerBucketEmptyEvent event) {
	Block block = event.getBlockClicked().getRelative(event.getBlockFace());
	Player player = event.getPlayer();
	NovaPlayer nPlayer = PlayerManager.getPlayer(player);

	if(nPlayer.getPreferences().getBypass()) {
		return;
	}

	//Fluid protection
	NovaRegion fluidProtectRegion = null;
	for(NovaRegion region : plugin.getRegionManager().getRegions()) {
		if(!region.getWorld().equals(block.getWorld())) {
			continue;
		}

		Location centerLocation = region.getCenter().clone();
		Location blockLocation = block.getLocation().clone();
		centerLocation.setY(0);
		blockLocation.setY(0);

		if(blockLocation.distance(centerLocation) <= region.getDiagonal() / 2 + Config.REGION_FLUIDPROTECT.getInt()) {
			fluidProtectRegion = region;
			break;
		}
	}

	if((fluidProtectRegion != null
			&& (!nPlayer.hasGuild()
				|| (!fluidProtectRegion.getGuild().isMember(nPlayer)
					&& !fluidProtectRegion.getGuild().isAlly(nPlayer.getGuild()))))
			|| (RegionManager.get(block) != null
				&& (!plugin.getRegionManager().canInteract(player, block)
					|| !nPlayer.hasPermission(GuildPermission.BLOCK_PLACE)))) {
		event.setCancelled(true);
		Message.CHAT_REGION_DENY_INTERACT.send(player);
	}
}
 

@EventHandler
public void onBucketUse(PlayerBucketEmptyEvent e) {
    // Fix for placing water on player heads
    Location l = e.getBlockClicked().getRelative(e.getBlockFace()).getLocation();
    if (BlockStorage.hasBlockInfo(l)) {
        e.setCancelled(true);
    }
}
 

@EventHandler(priority = EventPriority.HIGH, ignoreCancelled = true)
public void onBucketEmptyEvent(PlayerBucketEmptyEvent event) {
    IPlayer player = plugin.wrapPlayer(event.getPlayer());
    Location location = BukkitUtil.adapt(event.getBlockClicked().getLocation());

    if (player.hasPermission(PermissionNames.ADMIN_BUILDANYWHERE)) {
        return;
    }
    if (manager.isPlotWorld(location)) {
        Plot plot = manager.getPlot(location.add(event.getBlockFace().getModX(), event.getBlockFace().getModY(), event.getBlockFace().getModZ()));
        if (plot == null) {
            player.sendMessage(api.C("CannotBuild"));
            event.setCancelled(true);
        } else {
            if (plot.getOwnerId().equals(event.getPlayer().getUniqueId())) {
                return;
            }
            Optional<Plot.AccessLevel> member = plot.isMember(player.getUniqueId());
            if (member.isPresent()) {
                if (member.get().equals(Plot.AccessLevel.TRUSTED) && !api.getServerBridge().getOfflinePlayer(plot.getOwnerId()).isOnline()) {
                    player.sendMessage(api.C("CannotBuild"));
                    event.setCancelled(true);
                } else if (api.isPlotLocked(plot.getId())) {
                    player.sendMessage(api.C("PlotLocked"));
                    event.setCancelled(true);
                }
            } else {
                player.sendMessage(api.C("CannotBuild"));
                event.setCancelled(true);
            }
        }
    }
}
 

@EventHandler
public void onBucketEmpty(PlayerBucketEmptyEvent event) {
    boolean material = event.getBucket().equals(Material.WATER_BUCKET) || event.getBucket().equals(Material.LAVA_BUCKET) || event.getBucket().equals(Material.LAVA) || event.getBucket().equals(Material.WATER) || event.getBucket().equals(Material.AIR);
    if (material && isDeadUUID(event.getPlayer().getUniqueId())) {
        event.setCancelled(true);
    }
}
 

@EventHandler
public void onEmptyBucket(PlayerBucketEmptyEvent event) {
    Block toFill = event.getBlockClicked().getRelative(event.getBlockFace());
    if (toFill.getY() >= height && !event.isCancelled()) {
        event.setCancelled(true);
        ChatUtil.sendWarningMessage(event.getPlayer(), "You have reached the maximum build height (" + ChatColor.AQUA + height + ChatColor.RED + " blocks)");
    }
}
 

@EventHandler
public void onBucketEmpty(PlayerBucketEmptyEvent event) {
    Material material = (event.getBucket().equals(Material.WATER_BUCKET) ? Material.WATER : (event.getBucket().equals(Material.LAVA_BUCKET) ? Material.LAVA : Material.AIR));
    if (!event.isCancelled() && region.contains(new BlockRegion(null, event.getBlockClicked().getRelative(event.getBlockFace()).getLocation().toVector())) && filter.evaluate(event.getPlayer(), material, event).equals(FilterState.DENY)) {
        event.setCancelled(true);
        ChatUtil.sendWarningMessage(event.getPlayer(), message);
    }
}
 

@EventHandler
public void onBucketEmpty(PlayerBucketEmptyEvent event) {
    Material material = (event.getBucket().equals(Material.WATER_BUCKET) ? Material.WATER : (event.getBucket().equals(Material.LAVA_BUCKET) ? Material.LAVA : Material.AIR));
    if (!event.isCancelled() && filter.evaluate(event.getPlayer(), material, event).equals(FilterState.DENY)
            && region.contains(new BlockRegion(null, event.getBlockClicked().getRelative(event.getBlockFace()).getLocation().toVector()))) {
        event.setCancelled(true);
        ChatUtil.sendWarningMessage(event.getPlayer(), message);
    }
}
 

@EventHandler
public void onBucketEmpty(PlayerBucketEmptyEvent event) {
    Material material = (event.getBucket().equals(Material.WATER_BUCKET) ? Material.WATER : (event.getBucket().equals(Material.LAVA_BUCKET) ? Material.LAVA : Material.AIR));
    if (!event.isCancelled() && region.contains(new BlockRegion(null, event.getBlockClicked().getRelative(event.getBlockFace()).getLocation().toVector()))
            && filter.evaluate(event.getPlayer(), material, event).equals(FilterState.DENY)) {
        event.setCancelled(true);
        ChatUtil.sendWarningMessage(event.getPlayer(), message);
    }
}
 

@EventHandler(priority = EventPriority.LOWEST)
public void onPlayerBucketEmptyEvent(PlayerBucketEmptyEvent event) {
    onPlayerBucketEvent(event);
}
 

public void onPlayerBucketEvent(PlayerBucketEvent event) {
    final Player player = event.getPlayer();
    final Block clickedBlock = event.getBlockClicked();
    GDCauseStackManager.getInstance().pushCause(player);
    if (!GriefDefenderPlugin.getInstance().claimsEnabledForWorld(player.getWorld().getUID())) {
        return;
    }
    if (GriefDefenderPlugin.isTargetIdBlacklisted(Flags.INTERACT_BLOCK_SECONDARY.getName(), clickedBlock, player.getWorld().getUID())) {
        return;
    }

    GDTimings.PLAYER_INTERACT_BLOCK_SECONDARY_EVENT.startTiming();
    final Object source = player;
    final Location location = clickedBlock.getLocation();
    final GDClaim claim = this.dataStore.getClaimAt(location);
    final TrustType trustType = NMSUtil.getInstance().isTileInventory(location) || clickedBlock != null && clickedBlock.getType() == Material.ENDER_CHEST ? TrustTypes.CONTAINER : TrustTypes.ACCESSOR;

    Tristate result = GDPermissionManager.getInstance().getFinalPermission(event, location, claim, Flags.INTERACT_BLOCK_SECONDARY, source, clickedBlock, player, trustType, true);
    if (result == Tristate.FALSE) {
        event.setCancelled(true);
        GDTimings.PLAYER_INTERACT_BLOCK_SECONDARY_EVENT.stopTiming();
        return;
    }

    GDTimings.PLAYER_INTERACT_BLOCK_SECONDARY_EVENT.stopTiming();

    if (event instanceof PlayerBucketEmptyEvent) {
        // check block place
        result = GDPermissionManager.getInstance().getFinalPermission(event, location, claim, Flags.BLOCK_PLACE, source, event.getBucket().name().toLowerCase().replace("_bucket", ""), player, TrustTypes.BUILDER, true);
        if (result == Tristate.FALSE) {
            event.setCancelled(true);
            return;
        }
    } else if (event instanceof PlayerBucketFillEvent) {
        // check block break
        result = GDPermissionManager.getInstance().getFinalPermission(event, location, claim, Flags.BLOCK_BREAK, source, event.getBlockClicked(), player, TrustTypes.BUILDER, true);
        if (result == Tristate.FALSE) {
            event.setCancelled(true);
            return;
        }
    }
}
 

@EventHandler(priority = EventPriority.LOW, ignoreCancelled = true)
public void onBucketEmpty(final PlayerBucketEmptyEvent event) {
  if (freeze.isFrozen(event.getPlayer())) {
    event.setCancelled(true);
  }
}
 

/**
 * Emptying a bucket (water or lava) will remove the adjacent block
 * from the tracked set
 */
@EventHandler(ignoreCancelled = true, priority = EventPriority.HIGHEST)
public void onPlayerBucketEmpty(PlayerBucketEmptyEvent event) {
    Block adjacent = event.getBlockClicked().getRelative(event.getBlockFace());
    adjacent.removeMetadata(SEALEVEL_BLOCK, GlobalWarming.getInstance());
}
 

@EventHandler(priority = EventPriority.LOW, ignoreCancelled = true)
public void onBucketEmpty(final PlayerBucketEmptyEvent event) {
    if(freeze.isFrozen(event.getPlayer())) {
        event.setCancelled(true);
    }
}
 

@EventHandler(priority = EventPriority.HIGH)
public void noBucket(final PlayerBucketEmptyEvent event) {
    event.setCancelled(true);
}
 

@SuppressWarnings("unchecked")
@Override
public boolean setTime(final int time) {
	return super.setTime(time, getExpr(), PlayerItemHeldEvent.class, PlayerBucketFillEvent.class, PlayerBucketEmptyEvent.class);
}
 

@EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
public void onBucketEmpty(final PlayerBucketEmptyEvent event) {

	final PlayerStat stat = PlayerStat.BUCKETS_EMPTIED;

	// Get player
	final Player player = event.getPlayer();

	// Do general check
	if (!plugin.doGeneralCheck(player, stat))
		return;

	PlayerStatSpecification specification = new BucketsEmptiedSpecification(player.getUniqueId(), 1,
			player.getWorld().getName());

	// Update value to new stat.
	plugin.getDataManager().setPlayerInfo(player.getUniqueId(), stat, specification.constructQuery());

}
 

/**
 * Prevents emptying of buckets outside of island space
 * @param e - event
 */
@EventHandler(priority = EventPriority.LOW, ignoreCancelled = true)
public void onBucketEmpty(final PlayerBucketEmptyEvent e) {
    if (DEBUG) {
        plugin.getLogger().info(e.getEventName());
    }
    if (inWorld(e.getPlayer())) {
        Player p = e.getPlayer();
        if (e.getBlockClicked() != null) {
            // This is where the water or lava actually will be dumped
            Block dumpBlock = e.getBlockClicked().getRelative(e.getBlockFace());
            if (actionAllowed(p, dumpBlock.getLocation(), SettingsFlag.BUCKET)) {
                // Check if biome is Nether and then allow water placement but fizz the water
                if (e.getBlockClicked().getBiome().equals(Biome.HELL)) {
                    if (plugin.getServer().getVersion().contains("(MC: 1.8") || plugin.getServer().getVersion().contains("(MC: 1.7")) {
                        if (e.getPlayer().getItemInHand().getType().equals(Material.WATER_BUCKET)) {
                            e.setCancelled(true);
                            e.getPlayer().getItemInHand().setType(Material.BUCKET);
                            e.getPlayer().getWorld().playSound(e.getPlayer().getLocation(), Sound.valueOf("FIZZ"), 1F, 2F);
                            Util.sendMessage(e.getPlayer(), ChatColor.RED + plugin.myLocale(e.getPlayer().getUniqueId()).biomeSet.replace("[biome]", "Nether"));
                        }
                    } else {
                        if (Util.playerIsHolding(e.getPlayer(), Material.WATER_BUCKET)) {
                            e.setCancelled(true);
                            if (e.getPlayer().getInventory().getItemInMainHand().getType() == Material.WATER_BUCKET) {
                                e.getPlayer().getInventory().setItemInMainHand(new ItemStack(Material.BUCKET));
                            } else if (e.getPlayer().getInventory().getItemInOffHand().getType() == Material.WATER_BUCKET) {
                                e.getPlayer().getInventory().setItemInOffHand(new ItemStack(Material.BUCKET));
                            }
                            e.getPlayer().getWorld().playSound(e.getPlayer().getLocation(), Sound.ENTITY_CREEPER_PRIMED, 1F, 2F);
                            Util.sendMessage(e.getPlayer(), ChatColor.RED + plugin.myLocale(e.getPlayer().getUniqueId()).biomeSet.replace("[biome]", "Nether"));
                        }
                    }
                }
                return;
            }
            // Not allowed
            Util.sendMessage(p, ChatColor.RED + plugin.myLocale(p.getUniqueId()).islandProtected);
            e.setCancelled(true);
        }
    }
}
 

@EventHandler
public void onEmpty(PlayerBucketEmptyEvent e) {
    if (ProtectionSystem.build(e.getPlayer(), e.getBlockClicked().getLocation())) {
        e.setCancelled(true);
    }
}
 

@EventHandler
public void onBucketEmpty(PlayerBucketEmptyEvent event) {
    if (lava.contains(event.getBlockClicked().getRelative(event.getBlockFace())))
        event.setCancelled(true);
}