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