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.ArmorStand;
 13import org.bukkit.entity.Entity;
 14import org.bukkit.entity.EntityType;
 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.spigotmc.event.entity.EntityDismountEvent;
 22
 23import de.typable.minecrafthub.util.Util;
 24
 25
 26public class ChairListener implements Listener
 27{
 28	private static final Material[] CHAIR_TYPE = new Material[]
 29	{
 30		Material.OAK_STAIRS,
 31		Material.SPRUCE_STAIRS,
 32		Material.BIRCH_STAIRS,
 33		Material.JUNGLE_STAIRS,
 34		Material.ACACIA_STAIRS,
 35		Material.DARK_OAK_STAIRS,
 36		Material.ACACIA_STAIRS,
 37		Material.CRIMSON_STAIRS,
 38		Material.WARPED_STAIRS
 39	};
 40
 41	private Map<Block, ArmorStand> blockMap = new HashMap<>();
 42
 43	public void onDisable()
 44	{
 45		for(ArmorStand armorStand : blockMap.values())
 46		{
 47			armorStand.eject();
 48			armorStand.remove();
 49		}
 50	}
 51
 52	@EventHandler
 53	public void onPlayerInteract(PlayerInteractEvent event)
 54	{
 55		Player player = event.getPlayer();
 56		
 57		if(event.getAction() == Action.RIGHT_CLICK_BLOCK)
 58		{
 59			if(event.getClickedBlock() != null && !event.getPlayer().isSneaking())
 60			{
 61				Block block = event.getClickedBlock();
 62
 63				if(isChair(block.getType()))
 64				{
 65					if(!isInRange(block, player))
 66					{
 67						return;
 68					}
 69					
 70					if(blockMap.containsKey(block))
 71					{
 72						return;
 73					}
 74
 75					if(isCompatible(block))
 76					{
 77						ArmorStand armorStand = createMountableChair(block, player);
 78
 79						if(armorStand == null)
 80						{
 81							return;
 82						}
 83
 84						event.setCancelled(true);
 85
 86						blockMap.put(block, armorStand);
 87					}
 88				}
 89			}
 90		}
 91	}
 92
 93	@EventHandler
 94	public void onEntityDismount(EntityDismountEvent event)
 95	{
 96		if(event.getEntity() instanceof Player)
 97		{
 98			Entity entity = event.getDismounted();
 99
100			if(entity != null && entity instanceof ArmorStand)
101			{
102				if(blockMap.containsValue(entity))
103				{
104					for(Entry<Block, ArmorStand> entry : blockMap.entrySet())
105					{
106						if(entry.getValue() == entity)
107						{
108							blockMap.remove(entry.getKey());
109
110							break;
111						}
112					}
113				}
114
115				entity.remove();
116			}
117		}
118	}
119
120	@EventHandler
121	public void onBlockBreak(BlockBreakEvent event)
122	{
123		Block block = event.getBlock();
124
125		if(blockMap.containsKey(block))
126		{
127			ArmorStand armorStand = blockMap.get(block);
128			armorStand.eject();
129
130			blockMap.remove(block);
131		}
132	}
133
134	private boolean isInRange(Block block, Player player)
135	{
136		return block.getLocation().add(0.5, 0.5, 0.5).distance(player.getLocation()) <= 2;
137	}
138
139	private boolean isChair(Material material)
140	{
141		for(Material chair : CHAIR_TYPE)
142		{
143			if(material == chair)
144			{
145				return true;
146			}
147		}
148
149		return false;
150	}
151
152	private boolean isCompatible(Block block)
153	{
154		Block upperBlock = block.getWorld().getBlockAt(block.getLocation().add(0, 1, 0));
155
156		if(!Util.isAir(upperBlock.getType()))
157		{
158			return false;
159		}
160
161		Stairs stairs = (Stairs) block.getState().getBlockData();
162
163		if(stairs.getHalf() != Half.BOTTOM)
164		{
165			return false;
166		}
167
168		if(stairs.isWaterlogged())
169		{
170			return false;
171		}
172
173		if(stairs.getShape() == Stairs.Shape.INNER_RIGHT || stairs.getShape() == Stairs.Shape.INNER_LEFT)
174		{
175			return false;
176		}
177
178		return true;
179	}
180
181	@SuppressWarnings("deprecation")
182	private ArmorStand createMountableChair(Block block, Player player)
183	{
184		Stairs stairs = (Stairs) block.getState().getBlockData();
185
186		Float yaw = Util.convertFacingToYaw(stairs.getFacing());
187
188		if(yaw == null)
189		{
190			return null;
191		}
192
193		Location location = block.getLocation().add(0.5, -0.4, 0.5);
194		location.setYaw(yaw);
195
196		ArmorStand armorStand = (ArmorStand) block.getWorld().spawnEntity(location, EntityType.ARMOR_STAND);
197		armorStand.setPassenger((Entity) player);
198		armorStand.setSmall(true);
199		armorStand.setGravity(false);
200		armorStand.setInvulnerable(true);
201		armorStand.setVisible(false);
202
203		return armorStand;
204	}
205}