Java BlockState類代碼示例

import org.bukkit.block.BlockState; //導入依賴的package包/類
@EventHandler(ignoreCancelled = true, priority = EventPriority.HIGHEST)
public void onBlockBreak(BlockBreakEvent event) {
    Block block = event.getBlock();
    if (isDeathSign(block)) {
        BlockState state = block.getState();
        Sign sign = (Sign) state;
        ItemStack stack = new ItemStack(Material.SIGN, 1);
        ItemMeta meta = stack.getItemMeta();
        meta.setDisplayName(DEATH_SIGN_ITEM_NAME);
        meta.setLore(Arrays.asList(sign.getLines()));
        stack.setItemMeta(meta);

        Player player = event.getPlayer();
        World world = player.getWorld();
        if (player.getGameMode() != GameMode.CREATIVE && world.isGameRule("doTileDrops")) {
            world.dropItemNaturally(block.getLocation(), stack);
        }

        // Manually handle the dropping
        event.setCancelled(true);
        block.setType(Material.AIR);
        state.update();
    }
}
 

import org.bukkit.block.BlockState; //導入依賴的package包/類
@EventWrapper
public void onBlockIgnite(final BlockIgniteEvent event) {
    // Flint & steel generates a BlockPlaceEvent
    if(event.getCause() == BlockIgniteEvent.IgniteCause.FLINT_AND_STEEL) return;

    BlockState oldState = event.getBlock().getState();
    BlockState newState = BlockStateUtils.cloneWithMaterial(event.getBlock(), Material.FIRE);
    ParticipantState igniter = null;

    if(event.getIgnitingEntity() != null) {
        // The player themselves using flint & steel, or any of
        // several types of owned entity starting or spreading a fire.
        igniter = entityResolver.getOwner(event.getIgnitingEntity());
    } else if(event.getIgnitingBlock() != null) {
        // Fire, lava, or flint & steel in a dispenser
        igniter = blockResolver.getOwner(event.getIgnitingBlock());
    }

    callEvent(event, oldState, newState, igniter);
}
 

import org.bukkit.block.BlockState; //導入依賴的package包/類
public String getCropState(BlockState blockState) {
	switch (blockState.getType()) { // .getBlock().getType()) {
	case COCOA:
		return ((CocoaPlant) blockState.getData()).getSize().toString();
	case NETHER_WARTS:
		return ((NetherWarts) blockState.getData()).getState().toString();
	case MELON_STEM:
		return (int) blockState.getBlock().getData() + "";
	case PUMPKIN_STEM:
		return (int) blockState.getBlock().getData() + "";
	case CACTUS:
		return null;
	case BROWN_MUSHROOM:
		return null;
	case RED_MUSHROOM:
		return null;
	case SUGAR_CANE_BLOCK:
		return null;
	default:
		//CropControl.getPlugin().debug("Unable to find CropState match for {0}", blockState);
		return ((Crops) blockState.getData()).getState().toString();
	}
}
 

import org.bukkit.block.BlockState; //導入依賴的package包/類
/**
 * Prevents trees from growing outside of the protected area.
 *
 * @param e
 */
@EventHandler(priority = EventPriority.LOWEST, ignoreCancelled = true)
public void onTreeGrow(final StructureGrowEvent e) {
    if (DEBUG) {
        plugin.getLogger().info(e.getEventName());
    }
    // Check world
    if (!Util.inWorld(e.getLocation())) {
        return;
    }
    // Check if this is on an island
    Island island = plugin.getIslands().getIslandAt(e.getLocation());
    if (island == null || island.isSpawn()) {
        return;
    }
    Iterator<BlockState> it = e.getBlocks().iterator();
    while (it.hasNext()) {
        BlockState b = it.next();
        if (b.getType() == Material.LOG || b.getType() == Material.LOG_2
                || b.getType() == Material.LEAVES || b.getType() == Material.LEAVES_2) {
            if (!island.onIsland(b.getLocation())) {
                it.remove();
            }
        }
    }
}
 

import org.bukkit.block.BlockState; //導入依賴的package包/類
/**
 * Converts trees to gravel and glowstone
 *
 * @param e
 */
@EventHandler(priority = EventPriority.LOW, ignoreCancelled = true)
public void onTreeGrow(final StructureGrowEvent e) {
    if (DEBUG)
        plugin.getLogger().info("DEBUG: " + e.getEventName());

    if (!Settings.netherTrees) {
        return;
    }
    if (!Settings.netherGenerate || IslandWorld.getNetherWorld() == null) {
        return;
    }
    // Check world
    if (!e.getLocation().getWorld().equals(IslandWorld.getNetherWorld())) {
        return;
    }
    for (BlockState b : e.getBlocks()) {
        if (b.getType() == Material.LOG || b.getType() == Material.LOG_2) {
            b.setType(Material.GRAVEL);
        } else if (b.getType() == Material.LEAVES || b.getType() == Material.LEAVES_2) {
            b.setType(Material.GLOWSTONE);
        }
    }
}
 

import org.bukkit.block.BlockState; //導入依賴的package包/類
@EventHandler(priority = EventPriority.HIGH, ignoreCancelled = true)
public void checkItemFrameRotate(PlayerInteractEntityEvent event) {
    if(event.getRightClicked() instanceof ItemFrame) {
        ItemFrame itemFrame = (ItemFrame) event.getRightClicked();
        if(itemFrame.getItem() != null) {
            // If frame contains an item, right-click will rotate it, which is handled as a "use" event
            this.handleUse(event, getHangingBlockState(itemFrame), this.match.getParticipant(event.getPlayer()));
        } else if(event.getPlayer().getItemInHand() != null) {
            // If the frame is empty and it's right clicked with an item, this will place the item in the frame,
            // which is handled as a "place" event, with the placed item as the block material
            BlockState blockState = BlockStateUtils.cloneWithMaterial(itemFrame.getLocation().getBlock(),
                                                                      event.getPlayer().getItemInHand().getData());
            this.handleHangingPlace(event, blockState, event.getPlayer());
        }
    }
}
 

import org.bukkit.block.BlockState; //導入依賴的package包/類
private void handleUse(Event event, BlockState blockState, MatchPlayer player) {
    if(!player.canInteract()) return;

    PlayerBlockEventQuery query = new PlayerBlockEventQuery(player, event, blockState);

    for(EventRule rule : this.ruleContext.get(EventRuleScope.USE)) {
        if(rule.region().contains(blockState)) {
            if(processQuery(rule, query)) {
                if(query.getEvent() instanceof PlayerInteractEvent && ((PlayerInteractEvent) query.getEvent()).isCancelled()) {
                    PlayerInteractEvent pie = (PlayerInteractEvent) query.getEvent();
                    pie.setCancelled(false);
                    pie.setUseItemInHand(Event.Result.ALLOW);
                    pie.setUseInteractedBlock(Event.Result.DENY);

                    if(rule.message() != null) {
                        player.sendWarning(rule.message(), false);
                    }
                }
                if(this.useRegionPriority) {
                    break;
                }
            }
        }
    }
}
 

import org.bukkit.block.BlockState; //導入依賴的package包/類
public static void setTileEntityNBTTagCompound(BlockState tile, Object nbtTag) {
    Object pos = toBlockPosition(new BlockPos() {
        @Override
        public int getX() {
            return tile.getX();
        }

        @Override
        public int getY() {
            return tile.getY();
        }

        @Override
        public int getZ() {
            return tile.getZ();
        }
    });
    Object nmsWorld = getWorldServer(tile.getWorld());

    if (nmsWorld == null || pos == null) return;

    Object nmsTile = getDeclaredMethod("getTileEntity", nmsWorld.getClass(), pos.getClass()).invoke(nmsWorld, true, pos);

    getDeclaredMethod("a", getNmsClass("TileEntity"), getNmsClass("NBTTagCompound")).invoke(nmsTile, true, nbtTag);
}
 

import org.bukkit.block.BlockState; //導入依賴的package包/類
@EventHandler(ignoreCancelled = true, priority = EventPriority.HIGHEST)
public void onBlockPlace(BlockPlaceEvent event) {
    ItemStack stack = event.getItemInHand();
    BlockState state = event.getBlock().getState();
    if (state instanceof Sign && stack.hasItemMeta()) {
        ItemMeta meta = stack.getItemMeta();
        if (meta.hasDisplayName() && meta.getDisplayName().equals(DEATH_SIGN_ITEM_NAME)) {
            Sign sign = (Sign) state;
            List<String> lore = meta.getLore();
            int count = 0;
            for (String loreLine : lore) {
                sign.setLine(count++, loreLine);
                if (count == 4)
                    break;
            }

            sign.update();
            
            //sign.setEditible(false);
        }
    }
}
 

import org.bukkit.block.BlockState; //導入依賴的package包/類
@EventHandler(ignoreCancelled=true, priority=EventPriority.HIGHEST)
public void onBlockBreak(BlockBreakEvent event)
{
  Block block = event.getBlock();
  if (isEventSign(block))
  {
    BlockState state = block.getState();
    Sign sign = (Sign)state;
    ItemStack stack = new ItemStack(Material.SIGN, 1);
    ItemMeta meta = stack.getItemMeta();
    meta.setDisplayName(EVENT_SIGN_ITEM_NAME);
    meta.setLore(Arrays.asList(sign.getLines()));
    stack.setItemMeta(meta);
    
    Player player = event.getPlayer();
    World world = player.getWorld();
    Location blockLocation = block.getLocation();
    if ((player.getGameMode() != GameMode.CREATIVE) && (world.isGameRule("doTileDrops"))) {
      world.dropItemNaturally(blockLocation, stack);
    }
    event.setCancelled(true);
    block.setType(Material.AIR);
    state.update();
  }
}
 

import org.bukkit.block.BlockState; //導入依賴的package包/類
public static boolean placeStanding(Location location, BannerMeta meta) {
    Block block = location.getBlock();
    block.setType(Material.STANDING_BANNER, false);

    final BlockState state = block.getState();
    if(state instanceof Banner) {
        Banner banner = (Banner) block.getState();
        applyToBlock(banner, meta);

        org.bukkit.material.Banner material = (org.bukkit.material.Banner) banner.getData();
        material.setFacingDirection(BlockFaces.yawToFace(location.getYaw()));
        banner.setData(material);
        banner.update(true);
        return true;
    }
    return false;
}
 

import org.bukkit.block.BlockState; //導入依賴的package包/類
public boolean canRenew(BlockState original, BlockState current) {
    // Original block must be in the region and match the renewable filter
    if(!region.contains(original)) return false;
    BlockQuery originalQuery = new BlockQuery(original);
    if(!renewableBlocks.query(originalQuery).isAllowed()) return false;

    MaterialData originalMaterial = original.getMaterialData();
    MaterialData currentMaterial = current.getMaterialData();

    // If current material matches the original, block is already renewed
    if(originalMaterial.equals(currentMaterial)) return false;

    // If the original and current blocks are both shuffleable, block is already renewed
    if(shuffleableBlocks.query(originalQuery).isAllowed() && shuffleableBlocks.query(new BlockQuery(current)).isAllowed()) {
        return false;
    }

    // Otherwise, block is eligible to be renewed
    return true;
}
 

import org.bukkit.block.BlockState; //導入依賴的package包/類
@EventWrapper
public void onBlockBurn(final BlockBurnEvent event) {
    Match match = PGM.getMatchManager().getMatch(event.getBlock().getWorld());
    if(match == null) return;

    BlockState oldState = event.getBlock().getState();
    BlockState newState = BlockStateUtils.toAir(oldState);
    MatchPlayerState igniterState = null;

    for(BlockFace face : NEIGHBORS) {
        Block neighbor = oldState.getBlock().getRelative(face);
        if(neighbor.getType() == Material.FIRE) {
            igniterState = blockResolver.getOwner(neighbor);
            if(igniterState != null) break;
        }
    }

    this.callEvent(event, oldState, newState, igniterState);
}
 

import org.bukkit.block.BlockState; //導入依賴的package包/類
boolean renew(BlockVector pos, MaterialData material) {
    // We need to do the entity check here rather than canRenew, because we are not
    // notified when entities move in our out of the way.
    if(!isClearOfEntities(pos)) return false;

    Location location = pos.toLocation(match.getWorld());
    Block block = location.getBlock();
    BlockState newState = location.getBlock().getState();
    newState.setMaterialData(material);

    BlockRenewEvent event = new BlockRenewEvent(block, newState, this);
    match.callEvent(event); // Our own handler will get this and remove the block from the pool
    if(event.isCancelled()) return false;

    newState.update(true, true);

    if(definition.particles) {
        NMSHacks.playBlockBreakEffect(match.getWorld(), pos, material.getItemType());
    }

    if(definition.sound) {
        NMSHacks.playBlockPlaceSound(match.getWorld(), pos, material.getItemType(), 1f);
    }

    return true;
}
 

import org.bukkit.block.BlockState; //導入依賴的package包/類
@EventHandler(ignoreCancelled=true, priority=EventPriority.HIGHEST)
public void onBlockPlace(BlockPlaceEvent event)
{
  ItemStack stack = event.getItemInHand();
  BlockState state = event.getBlock().getState();
  if (((state instanceof Sign)) && (stack.hasItemMeta()))
  {
    ItemMeta meta = stack.getItemMeta();
    if ((meta.hasDisplayName()) && (meta.getDisplayName().equals(EVENT_SIGN_ITEM_NAME)))
    {
      Sign sign = (Sign)state;
      List<String> lore = meta.getLore();
      int count = 0;
      for (String loreLine : lore)
      {
        sign.setLine(count++, loreLine);
        if (count == 4) {
          break;
        }
      }
      sign.update();
    }
  }
}