package net.minecraft.server;

// CraftBukkit start

import org.bukkit.Bukkit;
import org.bukkit.craftbukkit.entity.CraftEnderPearl;
import org.bukkit.craftbukkit.entity.CraftEntity;
import org.bukkit.craftbukkit.event.CraftEventFactory;
import org.bukkit.event.entity.EnderpearlLandEvent;
import org.bukkit.event.player.PlayerTeleportEvent;
import org.bukkit.material.Gate;
import org.bukkit.util.BlockIterator;
import org.bukkit.util.Vector;
import org.github.paperspigot.PaperSpigotConfig;
// CraftBukkit end

public class EntityEnderPearl extends EntityProjectile {

	public EntityEnderPearl (World world) {
		super(world);
		this.loadChunks = world.paperSpigotConfig.loadUnloadedEnderPearls; // PaperSpigot
	}

	public EntityEnderPearl (World world, EntityLiving entityliving) {
		super(world, entityliving);
		this.loadChunks = world.paperSpigotConfig.loadUnloadedEnderPearls; // PaperSpigot
	}

	protected void a (MovingObjectPosition movingobjectposition) {
		Block block = this.world.getType(movingobjectposition.b, movingobjectposition.c, movingobjectposition.d);

		if (PaperSpigotConfig.enderpearlCollidesString && block == Blocks.TRIPWIRE) {
			return;
		}

		if (PaperSpigotConfig.enderpearlCollidesFenceGate && (block == Blocks.FENCE_GATE && BlockFenceGate.b(this.world.getData(movingobjectposition.b, movingobjectposition.c, movingobjectposition.d)))) {
			BlockIterator bi = null;

			try {
				Vector l = new Vector(this.locX, this.locY, this.locZ);
				Vector l2 = new Vector(this.locX + this.motX, this.locY + this.motY, this.locZ + this.motZ);
				Vector dir = new Vector(l2.getX() - l.getX(), l2.getY() - l.getY(), l2.getZ() - l.getZ()).normalize();
				bi = new BlockIterator(this.world.getWorld(), l, dir, 0, 1);
			} catch (IllegalStateException e) {
				// Do nothing
			}

			if (bi != null) {
				boolean open = true;
				while (bi.hasNext()) {
					org.bukkit.block.Block b = bi.next();
					if (b.getState().getData() instanceof Gate && !((Gate) b.getState().getData()).isOpen()) {
						open = false;
						break;
					}
				}
				if (open) {
					return;
				}
			}
		}


		if (movingobjectposition.entity != null) {
			movingobjectposition.entity.damageEntity(DamageSource.projectile(this, this.getShooter()), 0.0F);
		}

		// PaperSpigot start - Remove entities in unloaded chunks
		if (inUnloadedChunk && world.paperSpigotConfig.removeUnloadedEnderPearls) {
			die();
		}
		// PaperSpigot end

		for (int i = 0; i < 32; ++i) {
			this.world.addParticle("portal", this.locX, this.locY + this.random.nextDouble() * 2.0D, this.locZ, this.random.nextGaussian(), 0.0D, this.random.nextGaussian());
		}

		if (!this.world.isStatic) {
			if (this.getShooter() != null && this.getShooter() instanceof EntityPlayer) {
				EntityPlayer entityplayer = (EntityPlayer) this.getShooter();

				if (entityplayer.playerConnection.b().isConnected() && entityplayer.world == this.world) {
					// CraftBukkit start - Fire PlayerTeleportEvent
					org.bukkit.craftbukkit.entity.CraftPlayer player = entityplayer.getBukkitEntity();

					EnderpearlLandEvent.Reason reason = movingobjectposition.entity != null ? EnderpearlLandEvent.Reason.ENTITY : EnderpearlLandEvent.Reason.BLOCK;
					//EnderpearlLandEvent landEvent = new EnderpearlLandEvent((CraftEnderPearl) getBukkitEntity(), reason);
					CraftEntity bukkitHitEntity = movingobjectposition.entity != null ? movingobjectposition.entity.getBukkitEntity() : null; //TODO: Custom fix
					EnderpearlLandEvent landEvent = new EnderpearlLandEvent((CraftEnderPearl) getBukkitEntity(), reason, bukkitHitEntity);

					Bukkit.getPluginManager().callEvent(landEvent);

					if (landEvent.isCancelled()) {
						this.die();
						return;
					}


					org.bukkit.Location location = getBukkitEntity().getLocation();
					location.setPitch(player.getLocation().getPitch());
					location.setYaw(player.getLocation().getYaw());

					PlayerTeleportEvent teleEvent = new PlayerTeleportEvent(player, player.getLocation(), location, PlayerTeleportEvent.TeleportCause.ENDER_PEARL);
					Bukkit.getPluginManager().callEvent(teleEvent);

					if (!teleEvent.isCancelled() && !entityplayer.playerConnection.isDisconnected()) {
						if (this.getShooter().am()) {
							this.getShooter().mount((Entity) null);
						}

						entityplayer.playerConnection.teleport(teleEvent.getTo());
						this.getShooter().fallDistance = 0.0F;
						CraftEventFactory.entityDamage = this;
						this.getShooter().damageEntity(DamageSource.FALL, 5.0F);
						CraftEventFactory.entityDamage = null;
					}
					// CraftBukkit end
				}
			}

			this.die();
		}
	}
}