org.bukkit.Material#DETECTOR_RAIL源码实例Demo

@EventHandler(ignoreCancelled = true)
void onBlockPlace(BlockPlaceEvent event) {
	Block block = event.getBlock();
	Material type = block.getType();
	Player player = event.getPlayer();
	if (Utils.isChest(type)) {
		if (plugin.getProtectedChests().isChestProtected(block, player)) {
			Log.debug("Cancelled placing of chest block by '" + player.getName() + "' at '"
					+ Utils.getLocationString(block) + "': Protected chest nearby");
			event.setCancelled(true);
		}
	} else if (type == Material.HOPPER) {
		if (plugin.getProtectedChests().isProtectedChestAroundHopper(block, player)) {
			Log.debug("Cancelled placing of hopper block by '" + player.getName() + "' at '"
					+ Utils.getLocationString(block) + "': Protected chest nearby");
			event.setCancelled(true);
		}
	} else if (type == Material.RAILS || type == Material.POWERED_RAIL || type == Material.DETECTOR_RAIL || type == Material.ACTIVATOR_RAIL) {
		Block upperBlock = block.getRelative(BlockFace.UP);
		if (Utils.isChest(upperBlock.getType()) && plugin.getProtectedChests().isChestProtected(upperBlock, player)) {
			Log.debug("Cancelled placing of rail block by '" + player.getName() + "' at '"
					+ Utils.getLocationString(block) + "': Protected chest nearby");
			event.setCancelled(true);
			return;
		}
	}
}
 

public DetectorRail() {
    super(Material.DETECTOR_RAIL);
}
 

public ItemStack createIntegerIcon(int value, boolean readonly) {
    return Math.abs(value) <= MAX_INT_VALUE
            ? (readonly ? new ItemStack(Material.DETECTOR_RAIL, value) : new ItemStack(Material.RAIL, value))
            : (readonly ? new ItemStack(Material.IRON_BARS, 1, (short)1) : new ItemStack(Material.ACTIVATOR_RAIL, 1));
}