import org.bukkit.material.Stairs; //导入依赖的package包/类
@EventHandler(priority = EventPriority.HIGHEST)
public void onBlockBreak(BlockBreakEvent event)
{
	if(event.isCancelled()) return;
	if(Survival.allowedBlocks.contains(event.getBlock().getType()))
	{
		ArmorStand drop = dropSeat(event.getBlock(), (Stairs)event.getBlock().getState().getData());
		
		for(Entity e : drop.getNearbyEntities(0.5, 0.5, 0.5))
		{
			if(e != null && e instanceof ArmorStand && e.getCustomName() == "Chair")
				e.remove();
		}
		
		drop.remove();
	}
}
 

import org.bukkit.material.Stairs; //导入依赖的package包/类
private int getChairWidth(Block block, BlockFace face)
{
	int width = 0;
	
	// Go through the blocks next to the clicked block and check if there are any further stairs.
	for(int i = 1; i <= Survival.settings.getInt("Mechanics.Chairs.MaxChairWidth"); i++)
	{
		Block relative = block.getRelative(face, i);
		
		if(Survival.allowedBlocks.contains(relative.getType()) && ((Stairs)relative.getState().getData()).getDescendingDirection() == ((Stairs)block.getState().getData()).getDescendingDirection())
			width++;
		else
			break;
	}
	
	return width;
}
 

import org.bukkit.material.Stairs; //导入依赖的package包/类
private boolean checkSign(Block block, BlockFace face)
{
	// Go through the blocks next to the clicked block and check if are signs on the end.
	for(int i = 1; true; i++)
	{
		Block relative = block.getRelative(face, i);
		if(!(Survival.allowedBlocks.contains(relative.getType())) || (block instanceof Stairs && ((Stairs)relative.getState().getData()).getDescendingDirection() != ((Stairs)block.getState().getData()).getDescendingDirection()))
		{
			switch(relative.getType())
			{
				case SIGN:
				case WALL_SIGN:
				case SIGN_POST:
				case ITEM_FRAME:
				case PAINTING:
				case TRAP_DOOR:
				case IRON_TRAPDOOR:
					return true;
				default:
					return false;
			}
		}
	}
}
 

import org.bukkit.material.Stairs; //导入依赖的package包/类
private ArmorStand dropSeat(Block chair, Stairs stairs)
{
	Location location = chair.getLocation().add(0.5, (-0.7 - 0.5), 0.5);
	
	switch(stairs.getDescendingDirection())
	{
		case NORTH:
			location.setYaw(180);
			break;
		case EAST:
			location.setYaw(270);
			break;
		case SOUTH:
			location.setYaw(0);
			break;
		case WEST:
			location.setYaw(90);
		default:
	}
	
	ArmorStand drop = (ArmorStand)location.getWorld().spawnEntity(location, EntityType.ARMOR_STAND);
	drop.setCustomName("Chair");
	drop.setVelocity(new Vector(0, 0, 0));
	drop.setGravity(false);
	drop.setVisible(false);
	
	return drop;
}
 

import org.bukkit.material.Stairs; //导入依赖的package包/类
private int getChairWidth(Block block, BlockFace face) {
    int width = 0;
    for (int i = 1; i <= 4; i++) {
        Block relative = block.getRelative(face, i);
        if (relative.getState().getData() instanceof Stairs) {
            if (isValidChair(relative) && ((Stairs) relative.getState().getData()).getDescendingDirection() == ((Stairs) block.getState().getData()).getDescendingDirection()) {
                width++;
            } else {
                break;
            }
        }
    }
    return width;
}
 

import org.bukkit.material.Stairs; //导入依赖的package包/类
private boolean isChair(Block block) {
	BlockFace[] faces = {BlockFace.NORTH, BlockFace.EAST, BlockFace.SOUTH, BlockFace.WEST};

	Stairs stair = (Stairs)block.getState().getData();
	
	for(BlockFace face : faces) {
		if(stair.getFacing() == face) {
			return true;
		}
	}
	return false;
}
 

import org.bukkit.material.Stairs; //导入依赖的package包/类
private boolean isChair(Block block) {
	if(block.getState().getData() instanceof Stairs) {
		Stairs stair = (Stairs) block.getState().getData();
		BlockFace pos1;
		BlockFace pos2;
		if(!stair.isInverted()) {
			switch(stair.getFacing()) {
			case EAST:
				pos1 = BlockFace.NORTH;
				pos2 = BlockFace.SOUTH;
				if(block.getRelative(pos1).getType() == Material.WALL_SIGN && block.getRelative(pos2).getType() == Material.WALL_SIGN) {
					return true;
				}
			case NORTH:
				pos1 = BlockFace.EAST;
				pos2 = BlockFace.WEST;
				if(block.getRelative(pos1).getType() == Material.WALL_SIGN && block.getRelative(pos2).getType() == Material.WALL_SIGN) {
					return true;
				}
			case SOUTH:
				pos1 = BlockFace.EAST;
				pos2 = BlockFace.WEST;
				if(block.getRelative(pos1).getType() == Material.WALL_SIGN && block.getRelative(pos2).getType() == Material.WALL_SIGN) {
					return true;
				}
			case WEST:
				pos1 = BlockFace.NORTH;
				pos2 = BlockFace.SOUTH;
				if(block.getRelative(pos1).getType() == Material.WALL_SIGN && block.getRelative(pos2).getType() == Material.WALL_SIGN) {
					return true;
				}
			default:
				break;
			}
		}
	}
	return false;
}
 

import org.bukkit.material.Stairs; //导入依赖的package包/类
public void setStairs(int x, int y, int z, BlockFace dir, Material mat) {
	Block b = world.getBlockAt(x, y, z);
	b.setType(mat);
	Stairs matStairs = new Stairs(mat);
	matStairs.setFacingDirection(dir);
	b.setData(matStairs.getData());
}
 

import org.bukkit.material.Stairs; //导入依赖的package包/类
/**
 * @return if we are on a stair.
 */
public static boolean isOnStair(Location location) {
    return hasBlock(location, Stairs.class);
}
 

import org.bukkit.material.Stairs; //导入依赖的package包/类
/**
 * @return if we are on a stair but its lower than 0.3
 */
public static boolean isOnStairJump(Location location) {
    return hasBlock(location, Stairs.class, 1);
}
 

import org.bukkit.material.Stairs; //导入依赖的package包/类
@Deprecated public Stairs(int type) {
}
 

import org.bukkit.material.Stairs; //导入依赖的package包/类
public Stairs clone() {
	return null;
}