Core/src/main/java/eu/univento/core/api/player/Spectator.java

/*
 *  Copyright (c) 2018 univento.eu - All rights reserved
 * You are not allowed to use, distribute or modify this code
 */

package eu.univento.core.api.player;

import eu.univento.core.Core;
import eu.univento.core.api.game.PlayerManager;
import eu.univento.core.api.gui.inventory.InventoryGUI;
import eu.univento.core.api.items.ItemBuilder;
import eu.univento.core.api.server.ServerSettings;
import org.bukkit.GameMode;
import org.bukkit.Material;

/**
 * @author joethei
 * @version 2.0
 */
public class Spectator {

	private final CustomPlayer player;

	public Spectator(CustomPlayer player) {
		this.player = player;
		for (CustomPlayer players : Core.getOnlinePlayers())
			players.hidePlayer(player);
		SpectateManager.add(this);
		player.setGameMode(GameMode.ADVENTURE);
		player.setAllowFlight(true);
		player.setFlying(true);

		player.getInventory().setItem(7, new ItemBuilder(Material.PAPER).name("Weiterspielen").build());
		player.getInventory().setItem(8, new ItemBuilder(Material.BED).name("Zur Lobby").build());
	}

	public CustomPlayer getPlayer() {
		return player;
	}

	public void remove() {
		for(CustomPlayer players : Core.getOnlinePlayers())
			players.hidePlayer(player);
		player.setGameMode(ServerSettings.getGameMode());
		player.setAllowFlight(false);
		player.setFlying(false);
		SpectateManager.remove(this);
		if(player.getSpectatorTarget() != null) player.setSpectatorTarget(null);
	}

	public void spectate(CustomPlayer p) {
        if(SpectateManager.contains(p)) {
            player.sendMessage("Dieser Spieler ist schon tot");
            return;
        }
        if(!p.isOnline()) {
            player.sendMessage("Dieser Spieler ist nicht mehr online");
            return;
        }
        player.setSpectatorTarget(p);
	}

	public void resetSpectateTarget() {
		if(player.getSpectatorTarget() != null) player.setSpectatorTarget(null);
	}

	public void openPlayerListInventory() {
        InventoryGUI gui = new InventoryGUI(player, (int) (Math.ceil(PlayerManager.getPlayers().size() / 9.0D) * 9), "Spieler");
        int i = 0;
        for(CustomPlayer players : PlayerManager.getPlayers()) {
            gui.addItem(i, new ItemBuilder(Material.SKULL_ITEM).durability((short) 3).skullOwner(players.getUniqueId()).build(), player -> spectate(players));
            i++;
        }
	}
}