DedicatedServer.java

package net.minecraft.src;

import java.io.File;
import java.io.IOException;
import java.net.InetAddress;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Random;
import net.minecraft.server.MinecraftServer;

public class DedicatedServer extends MinecraftServer implements IServer {
	private final List pendingCommandList = Collections.synchronizedList(new ArrayList());
	private final ILogAgent field_98131_l;
	private RConThreadQuery theRConThreadQuery;
	private RConThreadMain theRConThreadMain;
	private PropertyManager settings;
	private boolean canSpawnStructures;
	private EnumGameType gameType;
	private NetworkListenThread networkThread;
	private boolean guiIsEnabled = false;

	public DedicatedServer(File par1File) {
		super(par1File);
		this.field_98131_l = new LogAgent("Minecraft-Server", (String) null,
				(new File(par1File, "server.log")).getAbsolutePath());
		new DedicatedServerSleepThread(this);
	}

	/**
	 * Initialises the server and starts it.
	 */
	protected boolean startServer() throws IOException {
		DedicatedServerCommandThread var1 = new DedicatedServerCommandThread(this);
		var1.setDaemon(true);
		var1.start();
		this.getLogAgent().func_98233_a("Starting minecraft server version 1.5.2");

		if (Runtime.getRuntime().maxMemory() / 1024L / 1024L < 512L) {
			this.getLogAgent().func_98236_b(
					"To start the server with more ram, launch it as \"java -Xmx1024M -Xms1024M -jar minecraft_server.jar\"");
		}

		this.getLogAgent().func_98233_a("Loading properties");
		this.settings = new PropertyManager(new File("server.properties"), this.getLogAgent());

		if (this.isSinglePlayer()) {
			this.setHostname("127.0.0.1");
		} else {
			this.setOnlineMode(this.settings.getBooleanProperty("online-mode", true));
			this.setHostname(this.settings.getStringProperty("server-ip", ""));
		}

		this.setCanSpawnAnimals(this.settings.getBooleanProperty("spawn-animals", true));
		this.setCanSpawnNPCs(this.settings.getBooleanProperty("spawn-npcs", true));
		this.setAllowPvp(this.settings.getBooleanProperty("pvp", true));
		this.setAllowFlight(this.settings.getBooleanProperty("allow-flight", false));
		this.setTexturePack(this.settings.getStringProperty("texture-pack", ""));
		this.setMOTD(this.settings.getStringProperty("motd", "A Minecraft Server"));
		this.func_104055_i(this.settings.getBooleanProperty("force-gamemode", false));

		if (this.settings.getIntProperty("difficulty", 1) < 0) {
			this.settings.setProperty("difficulty", Integer.valueOf(0));
		} else if (this.settings.getIntProperty("difficulty", 1) > 3) {
			this.settings.setProperty("difficulty", Integer.valueOf(3));
		}

		this.canSpawnStructures = this.settings.getBooleanProperty("generate-structures", true);
		int var2 = this.settings.getIntProperty("gamemode", EnumGameType.SURVIVAL.getID());
		this.gameType = WorldSettings.getGameTypeById(var2);
		this.getLogAgent().func_98233_a("Default game type: " + this.gameType);
		InetAddress var3 = null;

		if (this.getServerHostname().length() > 0) {
			var3 = InetAddress.getByName(this.getServerHostname());
		}

		if (this.getServerPort() < 0) {
			this.setServerPort(this.settings.getIntProperty("server-port", 25565));
		}

		this.getLogAgent().func_98233_a("Generating keypair");
		this.setKeyPair(CryptManager.generateKeyPair());
		this.getLogAgent()
				.func_98233_a("Starting Minecraft server on "
						+ (this.getServerHostname().length() == 0 ? "*" : this.getServerHostname()) + ":"
						+ this.getServerPort());

		try {
			this.networkThread = new DedicatedServerListenThread(this, var3, this.getServerPort());
		} catch (IOException var16) {
			this.getLogAgent().func_98236_b("**** FAILED TO BIND TO PORT!");
			this.getLogAgent().logWarningFormatted("The exception was: {0}", new Object[] { var16.toString() });
			this.getLogAgent().func_98236_b("Perhaps a server is already running on that port?");
			return false;
		}

		if (!this.isServerInOnlineMode()) {
			this.getLogAgent().func_98236_b("**** SERVER IS RUNNING IN OFFLINE/INSECURE MODE!");
			this.getLogAgent().func_98236_b("The server will make no attempt to authenticate usernames. Beware.");
			this.getLogAgent().func_98236_b(
					"While this makes the game possible to play without internet access, it also opens up the ability for hackers to connect with any username they choose.");
			this.getLogAgent()
					.func_98236_b("To change this, set \"online-mode\" to \"true\" in the server.properties file.");
		}

		this.setConfigurationManager(new DedicatedPlayerList(this));
		long var4 = System.nanoTime();

		if (this.getFolderName() == null) {
			this.setFolderName(this.settings.getStringProperty("level-name", "world"));
		}

		String var6 = this.settings.getStringProperty("level-seed", "");
		String var7 = this.settings.getStringProperty("level-type", "DEFAULT");
		String var8 = this.settings.getStringProperty("generator-settings", "");
		long var9 = (new Random()).nextLong();

		if (var6.length() > 0) {
			try {
				long var11 = Long.parseLong(var6);

				if (var11 != 0L) {
					var9 = var11;
				}
			} catch (NumberFormatException var15) {
				var9 = (long) var6.hashCode();
			}
		}

		WorldType var17 = WorldType.parseWorldType(var7);

		if (var17 == null) {
			var17 = WorldType.DEFAULT;
		}

		this.setBuildLimit(this.settings.getIntProperty("max-build-height", 256));
		this.setBuildLimit((this.getBuildLimit() + 8) / 16 * 16);
		this.setBuildLimit(MathHelper.clamp_int(this.getBuildLimit(), 64, 256));
		this.settings.setProperty("max-build-height", Integer.valueOf(this.getBuildLimit()));
		this.getLogAgent().func_98233_a("Preparing level \"" + this.getFolderName() + "\"");
		this.loadAllWorlds(this.getFolderName(), this.getFolderName(), var9, var17, var8);
		long var12 = System.nanoTime() - var4;
		String var14 = String.format("%.3fs", new Object[] { Double.valueOf((double) var12 / 1.0E9D) });
		this.getLogAgent().func_98233_a("Done (" + var14 + ")! For help, type \"help\" or \"?\"");

		if (this.settings.getBooleanProperty("enable-query", false)) {
			this.getLogAgent().func_98233_a("Starting GS4 status listener");
			this.theRConThreadQuery = new RConThreadQuery(this);
			this.theRConThreadQuery.startThread();
		}

		if (this.settings.getBooleanProperty("enable-rcon", false)) {
			this.getLogAgent().func_98233_a("Starting remote control listener");
			this.theRConThreadMain = new RConThreadMain(this);
			this.theRConThreadMain.startThread();
		}

		return true;
	}

	public boolean canStructuresSpawn() {
		return this.canSpawnStructures;
	}

	public EnumGameType getGameType() {
		return this.gameType;
	}

	/**
	 * Defaults to "1" (Easy) for the dedicated server, defaults to "2" (Normal) on
	 * the client.
	 */
	public int getDifficulty() {
		return this.settings.getIntProperty("difficulty", 1);
	}

	/**
	 * Defaults to false.
	 */
	public boolean isHardcore() {
		return this.settings.getBooleanProperty("hardcore", false);
	}

	/**
	 * Called on exit from the main run() loop.
	 */
	protected void finalTick(CrashReport par1CrashReport) {
		while (this.isServerRunning()) {
			this.executePendingCommands();

			try {
				Thread.sleep(10L);
			} catch (InterruptedException var3) {
				var3.printStackTrace();
			}
		}
	}

	/**
	 * Adds the server info, including from theWorldServer, to the crash report.
	 */
	public CrashReport addServerInfoToCrashReport(CrashReport par1CrashReport) {
		par1CrashReport = super.addServerInfoToCrashReport(par1CrashReport);
		par1CrashReport.func_85056_g().addCrashSectionCallable("Is Modded", new CallableType(this));
		par1CrashReport.func_85056_g().addCrashSectionCallable("Type", new CallableServerType(this));
		return par1CrashReport;
	}

	/**
	 * Directly calls System.exit(0), instantly killing the program.
	 */
	protected void systemExitNow() {
		System.exit(0);
	}

	public void updateTimeLightAndEntities() {
		super.updateTimeLightAndEntities();
		this.executePendingCommands();
	}

	public boolean getAllowNether() {
		return this.settings.getBooleanProperty("allow-nether", true);
	}

	public boolean allowSpawnMonsters() {
		return this.settings.getBooleanProperty("spawn-monsters", true);
	}

	public void addServerStatsToSnooper(PlayerUsageSnooper par1PlayerUsageSnooper) {
		par1PlayerUsageSnooper.addData("whitelist_enabled",
				Boolean.valueOf(this.getDedicatedPlayerList().isWhiteListEnabled()));
		par1PlayerUsageSnooper.addData("whitelist_count",
				Integer.valueOf(this.getDedicatedPlayerList().getWhiteListedPlayers().size()));
		super.addServerStatsToSnooper(par1PlayerUsageSnooper);
	}

	/**
	 * Returns whether snooping is enabled or not.
	 */
	public boolean isSnooperEnabled() {
		return this.settings.getBooleanProperty("snooper-enabled", true);
	}

	public void addPendingCommand(String par1Str, ICommandSender par2ICommandSender) {
		this.pendingCommandList.add(new ServerCommand(par1Str, par2ICommandSender));
	}

	public void executePendingCommands() {
		while (!this.pendingCommandList.isEmpty()) {
			ServerCommand var1 = (ServerCommand) this.pendingCommandList.remove(0);
			this.getCommandManager().executeCommand(var1.sender, var1.command);
		}
	}

	public boolean isDedicatedServer() {
		return true;
	}

	public DedicatedPlayerList getDedicatedPlayerList() {
		return (DedicatedPlayerList) super.getConfigurationManager();
	}

	public NetworkListenThread getNetworkThread() {
		return this.networkThread;
	}

	/**
	 * Gets an integer property. If it does not exist, set it to the specified
	 * value.
	 */
	public int getIntProperty(String par1Str, int par2) {
		return this.settings.getIntProperty(par1Str, par2);
	}

	/**
	 * Gets a string property. If it does not exist, set it to the specified value.
	 */
	public String getStringProperty(String par1Str, String par2Str) {
		return this.settings.getStringProperty(par1Str, par2Str);
	}

	/**
	 * Gets a boolean property. If it does not exist, set it to the specified value.
	 */
	public boolean getBooleanProperty(String par1Str, boolean par2) {
		return this.settings.getBooleanProperty(par1Str, par2);
	}

	/**
	 * Saves an Object with the given property name.
	 */
	public void setProperty(String par1Str, Object par2Obj) {
		this.settings.setProperty(par1Str, par2Obj);
	}

	/**
	 * Saves all of the server properties to the properties file.
	 */
	public void saveProperties() {
		this.settings.saveProperties();
	}

	/**
	 * Returns the filename where server properties are stored
	 */
	public String getSettingsFilename() {
		File var1 = this.settings.getPropertiesFile();
		return var1 != null ? var1.getAbsolutePath() : "No settings file";
	}

	public void enableGui() {
		ServerGUI.initGUI(this);
		this.guiIsEnabled = true;
	}

	public boolean getGuiEnabled() {
		return this.guiIsEnabled;
	}

	/**
	 * On dedicated does nothing. On integrated, sets commandsAllowedForAll,
	 * gameType and allows external connections.
	 */
	public String shareToLAN(EnumGameType par1EnumGameType, boolean par2) {
		return "";
	}

	/**
	 * Return whether command blocks are enabled.
	 */
	public boolean isCommandBlockEnabled() {
		return this.settings.getBooleanProperty("enable-command-block", false);
	}

	/**
	 * Return the spawn protection area's size.
	 */
	public int getSpawnProtectionSize() {
		return this.settings.getIntProperty("spawn-protection", super.getSpawnProtectionSize());
	}

	public boolean func_96290_a(World par1World, int par2, int par3, int par4, EntityPlayer par5EntityPlayer) {
		if (par1World.provider.dimensionId != 0) {
			return false;
		} else if (this.getDedicatedPlayerList().getOps().isEmpty()) {
			return false;
		} else if (this.getDedicatedPlayerList().areCommandsAllowed(par5EntityPlayer.username)) {
			return false;
		} else if (this.getSpawnProtectionSize() <= 0) {
			return false;
		} else {
			ChunkCoordinates var6 = par1World.getSpawnPoint();
			int var7 = MathHelper.abs_int(par2 - var6.posX);
			int var8 = MathHelper.abs_int(par4 - var6.posZ);
			int var9 = Math.max(var7, var8);
			return var9 <= this.getSpawnProtectionSize();
		}
	}

	public ILogAgent getLogAgent() {
		return this.field_98131_l;
	}

	public ServerConfigurationManager getConfigurationManager() {
		return this.getDedicatedPlayerList();
	}
}