392 lines
16 KiB
Java
392 lines
16 KiB
Java
package net.ME1312.SubServers.Client.Bukkit;
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import net.ME1312.Galaxi.Library.Container.Pair;
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import net.ME1312.SubData.Client.Library.EscapedOutputStream;
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import net.ME1312.SubServers.Client.Bukkit.Event.SubStartEvent;
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import net.ME1312.SubServers.Client.Bukkit.Event.SubStartedEvent;
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import net.ME1312.SubServers.Client.Bukkit.Event.SubStopEvent;
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import net.ME1312.SubServers.Client.Bukkit.Event.SubStoppedEvent;
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import net.ME1312.SubServers.Client.Bukkit.Library.Compatibility.OfflineBlock;
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import net.ME1312.SubServers.Client.Common.Network.API.Host;
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import net.ME1312.SubServers.Client.Common.Network.API.Server;
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import net.ME1312.SubServers.Client.Common.Network.API.SubServer;
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import org.bukkit.Bukkit;
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import org.bukkit.Location;
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import org.bukkit.block.Block;
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import org.bukkit.block.Sign;
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import org.bukkit.entity.Player;
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import org.bukkit.event.EventHandler;
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import org.bukkit.event.EventPriority;
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import org.bukkit.event.Listener;
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import org.bukkit.event.block.Action;
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import org.bukkit.event.block.BlockBreakEvent;
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import org.bukkit.event.block.SignChangeEvent;
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import org.bukkit.event.player.PlayerInteractEvent;
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import org.bukkit.event.world.WorldLoadEvent;
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import java.io.*;
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import java.nio.ByteBuffer;
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import java.nio.ByteOrder;
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import java.nio.charset.StandardCharsets;
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import java.text.NumberFormat;
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import java.util.*;
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import java.util.Map.Entry;
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/**
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* SubServers Signs Class
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*/
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public class SubSigns implements Listener {
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private static final HashMap<OfflineBlock, String> data = new HashMap<OfflineBlock, String>();
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private static HashMap<Location, String> signs = new HashMap<Location, String>();
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private static File file;
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private final SubPlugin plugin;
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private boolean active = false;
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SubSigns(SubPlugin plugin, File file) throws IOException {
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this.plugin = plugin;
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SubSigns.file = file;
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load();
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}
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public static void save() throws IOException {
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if (!data.isEmpty() || (file.exists() && !file.delete())) {
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FileOutputStream raw = new FileOutputStream(file, false);
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EscapedOutputStream escaped = new EscapedOutputStream(raw, '\u001B', '\u0003');
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for (Entry<OfflineBlock, String> sign : data.entrySet()) {
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raw.write(ByteBuffer.allocate(28).order(ByteOrder.BIG_ENDIAN)
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.putLong(sign.getKey().world.getMostSignificantBits())
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.putLong(sign.getKey().world.getLeastSignificantBits())
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.putInt(sign.getKey().x)
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.putInt(sign.getKey().y)
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.putInt(sign.getKey().z)
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.array()
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);
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escaped.write(sign.getValue().getBytes(StandardCharsets.UTF_8));
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escaped.control('\u0003');
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}
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}
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}
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private void load() throws IOException {
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if (file.exists()) {
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FileInputStream in = new FileInputStream(file);
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ByteArrayOutputStream string = new ByteArrayOutputStream();
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ByteBuffer magic = ByteBuffer.allocate(28).order(ByteOrder.BIG_ENDIAN);
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boolean escaped = false;
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int b, i = 0;
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while ((b = in.read()) != -1) {
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if (i < 28) {
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magic.put((byte) b);
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++i;
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} else if (escaped) {
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switch (b) {
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case '\u001B': // [ESC] (Escape character)
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string.write('\u001B');
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break;
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case '\u0003': // [ETX] (End of String character)
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magic.position(0);
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String object = string.toString(StandardCharsets.UTF_8.name());
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OfflineBlock location = new OfflineBlock(new UUID(magic.getLong(), magic.getLong()), magic.getInt(), magic.getInt(), magic.getInt());
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Location loaded = location.load();
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if (loaded == null) {
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data.put(location, object);
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} else if (loaded.getBlock().getState() instanceof Sign) {
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data.put(location, object);
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signs.put(loaded, object);
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} else {
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Bukkit.getLogger().warning("SubServers > Removed invalid sign data: [\"" + loaded.getWorld().getName() + "\", " + location.x + ", " + location.y + ", " + location.z + "] -> \"" + object + '\"');
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}
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magic.clear();
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string.reset();
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i = 0;
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break;
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default:
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string.write('\u001B');
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string.write(b);
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break;
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}
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escaped = false;
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} else if (b == '\u001B') {
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escaped = true;
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} else {
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string.write(b);
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}
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}
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listen();
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}
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}
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@EventHandler(priority = EventPriority.MONITOR)
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public void load(WorldLoadEvent e) {
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UUID wid = e.getWorld().getUID();
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ArrayList<OfflineBlock> removals = new ArrayList<OfflineBlock>();
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HashMap<Location, String> signs = new HashMap<Location, String>(SubSigns.signs);
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for (Entry<OfflineBlock, String> sign : data.entrySet()) {
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if (wid == sign.getKey().world) {
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OfflineBlock location = sign.getKey();
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Location loaded = location.load();
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if (loaded.getBlock().getState() instanceof Sign) {
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signs.put(loaded, sign.getValue());
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} else {
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removals.add(sign.getKey());
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Bukkit.getLogger().warning("SubServers > Removed invalid sign data: [\"" + loaded.getWorld().getName() + "\", " + location.x + ", " + location.y + ", " + location.z + "] -> \"" + sign.getValue() + '\"');
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}
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}
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}
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SubSigns.signs = signs;
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for (OfflineBlock location : removals) {
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data.remove(location);
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}
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}
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@EventHandler(priority = EventPriority.MONITOR)
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public void create(SignChangeEvent e) {
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if (!e.isCancelled() && plugin.lang != null && e.getLine(0).trim().equalsIgnoreCase("[SubServers]")) {
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Player player = e.getPlayer();
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String object = e.getLine(1).trim();
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if (object.length() > 0 && player.hasPermission("subservers.signs")) {
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Location pos = e.getBlock().getLocation();
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if (pos.getBlock().getState() instanceof Sign) {
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HashMap<Location, String> signs = new HashMap<Location, String>(SubSigns.signs);
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signs.put(pos, object);
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SubSigns.signs = signs;
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data.put(new OfflineBlock(pos), object);
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listen();
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refresh(e.getBlock(), object);
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Bukkit.getLogger().info("SubServers > Server sign created: [\"" + pos.getWorld().getName() + "\", " + pos.getBlockX() + ", " + pos.getBlockY() + ", " + pos.getBlockZ() + "] -> \"" + object + '\"');
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player.sendMessage(plugin.api.getLang("SubServers", "Signs.Create"));
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}
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}
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}
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}
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private Object translate(String name) {
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if (name.startsWith("::")) {
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return plugin.phi.cache.getHost(name.substring(2));
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} else if (name.startsWith(":")) {
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return plugin.phi.cache.getGroup(name.substring(1));
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} else {
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return plugin.phi.cache.getServer(name);
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}
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}
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private void listen() {
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if (!active && !signs.isEmpty()) {
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active = true;
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plugin.phi.listen(this::refresh);
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plugin.phi.start();
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}
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}
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private void refresh() {
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if (plugin.lang != null) {
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for (Entry<Location, String> pos : signs.entrySet()) {
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refresh(pos.getKey().getBlock(), pos.getValue());
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}
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}
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}
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private void refresh(SubServer server) {
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if (plugin.lang != null) {
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String name;
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for (Entry<Location, String> pos : signs.entrySet()) {
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if ((name = pos.getValue()).equalsIgnoreCase(server.getName())) {
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refresh(pos.getKey().getBlock(), server);
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} else if (name.equalsIgnoreCase("::" + server.getHost())) {
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refresh(pos.getKey().getBlock(), plugin.phi.cache.getHost(server.getHost()));
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} else {
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for (String group : server.getGroups()) {
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if (name.equalsIgnoreCase(':' + group)) {
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refresh(pos.getKey().getBlock(), plugin.phi.cache.getGroup(group));
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break;
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}
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}
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}
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}
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}
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}
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private enum Text {
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UNKNOWN(0, "Signs.Text.Unknown"),
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OFFLINE(1, "Signs.Text.Offline"),
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STARTING(3, "Signs.Text.Starting"),
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ONLINE(4, "Signs.Text.Online"),
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STOPPING(2, "Signs.Text.Stopping"),
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;
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private final byte priority;
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private final String text;
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Text(int priority, String text) {
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this.priority = (byte) priority;
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this.text = text;
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}
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private static Text determine(SubServer server) {
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if (!server.isRunning()) {
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return Text.OFFLINE;
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} else if (server.isStopping()) {
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return Text.STOPPING;
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} else if (server.isOnline()) {
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return Text.ONLINE;
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} else {
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return Text.STARTING;
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}
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}
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private static Text determine(Server server) {
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if (server instanceof SubServer) {
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return determine((SubServer) server);
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} else if (server.getSubData()[0] == null) {
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return Text.UNKNOWN;
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} else {
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return Text.ONLINE;
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}
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}
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}
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@SuppressWarnings("unchecked")
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private void refresh(Block block, Object object) {
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if (block.getState() instanceof Sign) {
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Sign sign = (Sign) block.getState();
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Text state = Text.UNKNOWN;
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String name = "null";
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int players = 0;
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// re-define the object
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if (object instanceof String) {
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object = translate(name = (String) object);
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}
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// read the object
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if (object instanceof Host) {
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Host host = (Host) object;
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name = host.getDisplayName();
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Text incoming;
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for (SubServer server : ((Host) object).getSubServers().values()) {
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players += server.getRemotePlayers().size();
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incoming = Text.determine(server);
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if (incoming.priority > state.priority)
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state = incoming;
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}
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} else if (object instanceof Pair) {
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Pair<String, List<Server>> group = (Pair<String, List<Server>>) object;
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name = group.key();
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Text incoming;
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for (Server server : group.value()) {
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players += server.getRemotePlayers().size();
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incoming = Text.determine(server);
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if (incoming.priority > state.priority)
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state = incoming;
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}
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} else if (object instanceof Server) {
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Server server = (Server) object;
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state = Text.determine(server);
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name = server.getDisplayName();
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players = server.getRemotePlayers().size();
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}
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// update the sign
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String[] text = plugin.phi.replace(null, plugin.api.getLang("SubServers", state.text).replace("$str$", name).replace("$int$", NumberFormat.getInstance().format(players))).split("\n", 4);
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for (int i = 0; i < 4; ++i) if (i < text.length) {
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sign.setLine(i, text[i]);
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} else {
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sign.setLine(i, "");
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}
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Bukkit.getScheduler().runTask(plugin, sign::update);
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}
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}
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@SuppressWarnings("unchecked")
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@EventHandler(priority = EventPriority.MONITOR)
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public void interact(PlayerInteractEvent e) {
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if (!e.isCancelled() && e.getClickedBlock() != null && plugin.lang != null && plugin.api.getSubDataNetwork()[0] != null && !plugin.api.getSubDataNetwork()[0].isClosed() && signs.containsKey(e.getClickedBlock().getLocation())) {
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Player player = e.getPlayer();
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if ((e.getAction() == Action.RIGHT_CLICK_BLOCK || !player.hasPermission("subservers.signs")) && player.hasPermission("subservers.teleport")) {
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Object object = translate(signs.get(e.getClickedBlock().getLocation()));
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Collection<? extends Server> servers;
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if (object instanceof Host) {
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servers = ((Host) object).getSubServers().values();
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} else if (object instanceof Pair) {
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servers = ((Pair<String, List<Server>>) object).value();
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} else if (object instanceof Server) {
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servers = Collections.singleton((Server) object);
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} else {
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return;
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}
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Text incoming, state = Text.UNKNOWN;
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List<Server> selected = new ArrayList<>();
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for (Server server : servers) {
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incoming = Text.determine(server);
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if (incoming.priority > state.priority) {
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selected.clear();
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state = incoming;
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}
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if (incoming == state) {
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if (state == Text.OFFLINE) {
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SubServer subserver = (SubServer) server;
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if (!(subserver.isEnabled() && subserver.isAvailable() && subserver.getCurrentIncompatibilities().size() == 0)) continue;
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}
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selected.add(server);
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}
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}
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if (selected.size() > 0) {
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Server server = selected.get(new Random().nextInt(selected.size()));
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if (state == Text.OFFLINE) {
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((SubServer) server).start();
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} else {
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player.sendMessage(plugin.api.getLang("SubServers", "Command.Teleport").replace("$name$", player.getName()).replace("$str$", server.getDisplayName()));
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plugin.pmc(player, "Connect", server.getName());
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}
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}
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}
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}
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}
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@EventHandler(priority = EventPriority.MONITOR)
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public void delete(BlockBreakEvent e) {
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if (!e.isCancelled() && e.getBlock().getState() instanceof Sign && signs.containsKey(e.getBlock().getLocation())) {
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Player player = e.getPlayer();
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if (plugin.lang != null && player.hasPermission("subservers.signs")) {
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Location pos = e.getBlock().getLocation();
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HashMap<Location, String> signs = new HashMap<Location, String>(SubSigns.signs);
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signs.remove(pos);
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SubSigns.signs = signs;
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data.remove(new OfflineBlock(pos));
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player.sendMessage(plugin.api.getLang("SubServers", "Signs.Delete"));
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} else {
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e.setCancelled(true);
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}
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}
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}
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@EventHandler(priority = EventPriority.MONITOR)
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public void start(SubStartEvent e) {
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refresh(plugin.phi.cache.getSubServer(e.getServer()));
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}
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@EventHandler(priority = EventPriority.MONITOR)
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public void started(SubStartedEvent e) {
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refresh(plugin.phi.cache.getSubServer(e.getServer()));
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}
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@EventHandler(priority = EventPriority.MONITOR)
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public void stopping(SubStopEvent e) {
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refresh(plugin.phi.cache.getSubServer(e.getServer()));
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}
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@EventHandler(priority = EventPriority.MONITOR)
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public void stopped(SubStoppedEvent e) {
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refresh(plugin.phi.cache.getSubServer(e.getServer()));
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}
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}
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