so://phie

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  1package de.typable.minecrafthub.event;
  2
  3import java.util.HashMap;
  4import java.util.Map;
  5import java.util.Map.Entry;
  6
  7import org.bukkit.Location;
  8import org.bukkit.Material;
  9import org.bukkit.block.Block;
 10import org.bukkit.block.data.Bisected.Half;
 11import org.bukkit.block.data.type.Stairs;
 12import org.bukkit.entity.AbstractArrow.PickupStatus;
 13import org.bukkit.entity.Arrow;
 14import org.bukkit.entity.Entity;
 15import org.bukkit.entity.Player;
 16import org.bukkit.event.EventHandler;
 17import org.bukkit.event.Listener;
 18import org.bukkit.event.block.Action;
 19import org.bukkit.event.block.BlockBreakEvent;
 20import org.bukkit.event.player.PlayerInteractEvent;
 21import org.bukkit.util.Vector;
 22import org.spigotmc.event.entity.EntityDismountEvent;
 23
 24
 25public class ChairListener implements Listener
 26{
 27	private static final Material[] CHAIR_TYPE = new Material[] { Material.OAK_STAIRS, Material.SPRUCE_STAIRS, Material.BIRCH_STAIRS, Material.JUNGLE_STAIRS, Material.ACACIA_STAIRS, Material.DARK_OAK_STAIRS, Material.ACACIA_STAIRS, Material.CRIMSON_STAIRS, Material.WARPED_STAIRS };
 28
 29	private Map<Block, Arrow> blockMap = new HashMap<>();
 30
 31	@SuppressWarnings("deprecation")
 32	@EventHandler
 33	public void onPlayerInteract(PlayerInteractEvent event)
 34	{
 35		Player player = event.getPlayer();
 36		
 37		if(event.getAction() == Action.RIGHT_CLICK_BLOCK)
 38		{
 39			if(event.getClickedBlock() != null && !event.getPlayer().isSneaking())
 40			{
 41				Block block = event.getClickedBlock();
 42
 43				if(isChair(block.getType()))
 44				{
 45					if(block.getLocation().add(0.5, 0.5, 0.5).distance(player.getLocation()) > 2)
 46					{
 47						return;
 48					}
 49					
 50					if(blockMap.containsKey(block))
 51					{
 52						return;
 53					}
 54
 55					Block upperBlock = block.getWorld().getBlockAt(block.getLocation().add(0, 1, 0));
 56
 57					if(upperBlock != null && upperBlock.getType() == Material.AIR)
 58					{
 59						Stairs stairs = (Stairs) block.getState().getBlockData();
 60
 61						if(isCompatible(stairs))
 62						{
 63							Location location = block.getLocation().add(0.5, 0, 0.5);
 64							Arrow arrow = (Arrow) block.getWorld()
 65							      .spawnArrow(location, new Vector(), 0F, 0F);
 66							arrow.setGravity(false);
 67							arrow.setInvulnerable(true);
 68							arrow.setPickupStatus(PickupStatus.DISALLOWED);
 69							arrow.setPassenger((Entity) event.getPlayer());
 70
 71							event.setCancelled(true);
 72
 73							blockMap.put(block, arrow);
 74						}
 75					}
 76				}
 77			}
 78		}
 79	}
 80
 81	@EventHandler
 82	public void onEntityDismount(EntityDismountEvent event)
 83	{
 84		if(event.getEntity() instanceof Player)
 85		{
 86			Entity entity = event.getDismounted();
 87
 88			if(entity != null && entity instanceof Arrow)
 89			{
 90				if(blockMap.containsValue(entity))
 91				{
 92					for(Entry<Block, Arrow> entry : blockMap.entrySet())
 93					{
 94						if(entry.getValue() == entity)
 95						{
 96							blockMap.remove(entry.getKey());
 97
 98							break;
 99						}
100					}
101				}
102
103				entity.remove();
104			}
105		}
106	}
107
108	@EventHandler
109	public void onBlockBreak(BlockBreakEvent event)
110	{
111		Block block = event.getBlock();
112
113		if(blockMap.containsKey(block))
114		{
115			Arrow arrow = blockMap.get(block);
116			arrow.eject();
117
118			blockMap.remove(block);
119		}
120	}
121
122	private boolean isChair(Material material)
123	{
124		for(Material chair : CHAIR_TYPE)
125		{
126			if(material == chair)
127			{
128				return true;
129			}
130		}
131
132		return false;
133	}
134
135	private boolean isCompatible(Stairs stairs)
136	{
137		if(stairs.getHalf() != Half.BOTTOM)
138		{
139			return false;
140		}
141
142		if(stairs.isWaterlogged())
143		{
144			return false;
145		}
146
147		if(stairs.getShape() == Stairs.Shape.INNER_RIGHT || stairs
148		      .getShape() == Stairs.Shape.INNER_LEFT)
149		{
150			return false;
151		}
152
153		return true;
154	}
155}