Paper/nms-patches/DedicatedServer.patch

--- a/net/minecraft/server/DedicatedServer.java
+++ b/net/minecraft/server/DedicatedServer.java
@@ -19,11 +19,21 @@
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 
+// CraftBukkit start
+import java.io.PrintStream;
+import org.apache.logging.log4j.Level;
+
+import org.bukkit.craftbukkit.LoggerOutputStream;
+import org.bukkit.event.server.ServerCommandEvent;
+import org.bukkit.craftbukkit.util.Waitable;
+import org.bukkit.event.server.RemoteServerCommandEvent;
+// CraftBukkit end
+
 public class DedicatedServer extends MinecraftServer implements IMinecraftServer {
 
     private static final Logger LOGGER = LogManager.getLogger();
     private static final Pattern l = Pattern.compile("^[a-fA-F0-9]{40}$");
-    private final List<ServerCommand> serverCommandQueue = Collections.synchronizedList(Lists.newArrayList());
+    private final List<ServerCommand> serverCommandQueue = Collections.synchronizedList(Lists.<ServerCommand>newArrayList()); // CraftBukkit - fix decompile error
     private RemoteStatusListener n;
     public final RemoteControlCommandListener remoteControlCommandListener = new RemoteControlCommandListener(this);
     private RemoteControlListener p;
@@ -33,8 +43,10 @@
     private EnumGamemode t;
     private boolean u;
 
-    public DedicatedServer(File file, DataConverterManager dataconvertermanager, YggdrasilAuthenticationService yggdrasilauthenticationservice, MinecraftSessionService minecraftsessionservice, GameProfileRepository gameprofilerepository, UserCache usercache) {
-        super(file, Proxy.NO_PROXY, dataconvertermanager, yggdrasilauthenticationservice, minecraftsessionservice, gameprofilerepository, usercache);
+    // CraftBukkit start - Signature changed
+    public DedicatedServer(joptsimple.OptionSet options, DataConverterManager dataconvertermanager, YggdrasilAuthenticationService yggdrasilauthenticationservice, MinecraftSessionService minecraftsessionservice, GameProfileRepository gameprofilerepository, UserCache usercache) {
+        super(options, Proxy.NO_PROXY, dataconvertermanager, yggdrasilauthenticationservice, minecraftsessionservice, gameprofilerepository, usercache);
+        // CraftBukkit end
         Thread thread = new Thread("Server Infinisleeper") {
             {
                 this.setDaemon(true);
@@ -53,16 +65,30 @@
         };
     }
 
-    protected boolean init() throws IOException {
+    public boolean init() throws IOException { // CraftBukkit - decompile error
         Thread thread = new Thread("Server console handler") {
             public void run() {
-                BufferedReader bufferedreader = new BufferedReader(new InputStreamReader(System.in, StandardCharsets.UTF_8));
+                // CraftBukkit start
+                if (!org.bukkit.craftbukkit.Main.useConsole) {
+                    return;
+                }
+                jline.console.ConsoleReader bufferedreader = reader;
+                // CraftBukkit end
 
                 String s;
 
                 try {
-                    while (!DedicatedServer.this.isStopped() && DedicatedServer.this.isRunning() && (s = bufferedreader.readLine()) != null) {
-                        DedicatedServer.this.issueCommand(s, DedicatedServer.this);
+                    // CraftBukkit start - JLine disabling compatibility
+                    while (!isStopped() && isRunning()) {
+                        if (org.bukkit.craftbukkit.Main.useJline) {
+                            s = bufferedreader.readLine(">", null);
+                        } else {
+                            s = bufferedreader.readLine();
+                        }
+                        if (s != null && s.trim().length() > 0) { // Trim to filter lines which are just spaces
+                            issueCommand(s, DedicatedServer.this);
+                        }
+                        // CraftBukkit end
                     }
                 } catch (IOException ioexception) {
                     DedicatedServer.LOGGER.error("Exception handling console input", ioexception);
@@ -71,6 +97,27 @@
             }
         };
 
+        // CraftBukkit start - TODO: handle command-line logging arguments
+        java.util.logging.Logger global = java.util.logging.Logger.getLogger("");
+        global.setUseParentHandlers(false);
+        for (java.util.logging.Handler handler : global.getHandlers()) {
+            global.removeHandler(handler);
+        }
+        global.addHandler(new org.bukkit.craftbukkit.util.ForwardLogHandler());
+
+        final org.apache.logging.log4j.core.Logger logger = ((org.apache.logging.log4j.core.Logger) LogManager.getRootLogger());
+        for (org.apache.logging.log4j.core.Appender appender : logger.getAppenders().values()) {
+            if (appender instanceof org.apache.logging.log4j.core.appender.ConsoleAppender) {
+                logger.removeAppender(appender);
+            }
+        }
+
+        new Thread(new org.bukkit.craftbukkit.util.TerminalConsoleWriterThread(System.out, this.reader)).start();
+
+        System.setOut(new PrintStream(new LoggerOutputStream(logger, Level.INFO), true));
+        System.setErr(new PrintStream(new LoggerOutputStream(logger, Level.WARN), true));
+        // CraftBukkit end
+
         thread.setDaemon(true);
         thread.start();
         DedicatedServer.LOGGER.info("Starting minecraft server version 1.12");
@@ -79,7 +126,7 @@
         }
 
         DedicatedServer.LOGGER.info("Loading properties");
-        this.propertyManager = new PropertyManager(new File("server.properties"));
+        this.propertyManager = new PropertyManager(this.options); // CraftBukkit - CLI argument support
         this.r = new EULA(new File("eula.txt"));
         if (!this.r.a()) {
             DedicatedServer.LOGGER.info("You need to agree to the EULA in order to run the server. Go to eula.txt for more info.");
@@ -136,6 +183,8 @@
                 return false;
             }
 
+            this.a((PlayerList) (new DedicatedPlayerList(this))); // CraftBukkit
+
             if (!this.getOnlineMode()) {
                 DedicatedServer.LOGGER.warn("**** SERVER IS RUNNING IN OFFLINE/INSECURE MODE!");
                 DedicatedServer.LOGGER.warn("The server will make no attempt to authenticate usernames. Beware.");
@@ -150,7 +199,7 @@
             if (!NameReferencingFileConverter.a(this.propertyManager)) {
                 return false;
             } else {
-                this.a((PlayerList) (new DedicatedPlayerList(this)));
+                this.convertable = new WorldLoaderServer(server.getWorldContainer(), this.dataConverterManager); // CraftBukkit - moved from MinecraftServer constructor
                 long j = System.nanoTime();
 
                 if (this.S() == null) {
@@ -198,7 +247,7 @@
 
                 DedicatedServer.LOGGER.info("Done ({})! For help, type \"help\" or \"?\"", s3);
                 if (this.propertyManager.a("announce-player-achievements")) {
-                    this.worldServer[0].getGameRules().set("announceAdvancements", this.propertyManager.getBoolean("announce-player-achievements", true) ? "true" : "false");
+                    this.worlds.get(0).getGameRules().set("announceAdvancements", this.propertyManager.getBoolean("announce-player-achievements", true) ? "true" : "false"); // CraftBukkit
                     this.propertyManager.b("announce-player-achievements");
                     this.propertyManager.savePropertiesFile();
                 }
@@ -213,7 +262,18 @@
                     DedicatedServer.LOGGER.info("Starting remote control listener");
                     this.p = new RemoteControlListener(this);
                     this.p.a();
+                    this.remoteConsole = new org.bukkit.craftbukkit.command.CraftRemoteConsoleCommandSender(this.remoteControlCommandListener); // CraftBukkit
+                }
+
+                // CraftBukkit start
+                if (this.server.getBukkitSpawnRadius() > -1) {
+                    DedicatedServer.LOGGER.info("'settings.spawn-radius' in bukkit.yml has been moved to 'spawn-protection' in server.properties. I will move your config for you.");
+                    this.propertyManager.properties.remove("spawn-protection");
+                    this.propertyManager.getInt("spawn-protection", this.server.getBukkitSpawnRadius());
+                    this.server.removeBukkitSpawnRadius();
+                    this.propertyManager.savePropertiesFile();
                 }
+                // CraftBukkit end
 
                 if (this.aT() > 0L) {
                     Thread thread1 = new Thread(new ThreadWatchdog(this));
@@ -298,11 +358,11 @@
         return crashreport;
     }
 
-    protected void B() {
+    public void B() {
         System.exit(0);
     }
 
-    protected void D() {
+    public void D() { // CraftBukkit - fix decompile error
         super.D();
         this.aP();
     }
@@ -333,7 +393,15 @@
         while (!this.serverCommandQueue.isEmpty()) {
             ServerCommand servercommand = (ServerCommand) this.serverCommandQueue.remove(0);
 
-            this.getCommandHandler().a(servercommand.source, servercommand.command);
+            // CraftBukkit start - ServerCommand for preprocessing
+            ServerCommandEvent event = new ServerCommandEvent(console, servercommand.command);
+            server.getPluginManager().callEvent(event);
+            if (event.isCancelled()) continue;
+            servercommand = new ServerCommand(event.getCommand(), servercommand.source);
+
+            // this.getCommandHandler().a(servercommand.source, servercommand.command); // Called in dispatchServerCommand
+            server.dispatchServerCommand(console, servercommand);
+            // CraftBukkit end
         }
 
     }
@@ -536,16 +604,70 @@
     }
 
     public String getPlugins() {
-        return "";
-    }
+        // CraftBukkit start - Whole method
+        StringBuilder result = new StringBuilder();
+        org.bukkit.plugin.Plugin[] plugins = server.getPluginManager().getPlugins();
+
+        result.append(server.getName());
+        result.append(" on Bukkit ");
+        result.append(server.getBukkitVersion());
+
+        if (plugins.length > 0 && server.getQueryPlugins()) {
+            result.append(": ");
+
+            for (int i = 0; i < plugins.length; i++) {
+                if (i > 0) {
+                    result.append("; ");
+                }
+
+                result.append(plugins[i].getDescription().getName());
+                result.append(" ");
+                result.append(plugins[i].getDescription().getVersion().replaceAll(";", ","));
+            }
+        }
 
-    public String executeRemoteCommand(String s) {
-        this.remoteControlCommandListener.clearMessages();
-        this.b.a(this.remoteControlCommandListener, s);
-        return this.remoteControlCommandListener.getMessages();
+        return result.toString();
+        // CraftBukkit end
+    }
+
+    // CraftBukkit start - fire RemoteServerCommandEvent
+    public String executeRemoteCommand(final String s) {
+        Waitable<String> waitable = new Waitable<String>() {
+            @Override
+            protected String evaluate() {
+                remoteControlCommandListener.clearMessages();
+                // Event changes start
+                RemoteServerCommandEvent event = new RemoteServerCommandEvent(remoteConsole, s);
+                server.getPluginManager().callEvent(event);
+                if (event.isCancelled()) {
+                    return "";
+                }
+                // Event change end
+                ServerCommand serverCommand = new ServerCommand(event.getCommand(), remoteControlCommandListener);
+                server.dispatchServerCommand(remoteConsole, serverCommand);
+                return remoteControlCommandListener.getMessages();
+            }
+        };
+        processQueue.add(waitable);
+        try {
+            return waitable.get();
+        } catch (java.util.concurrent.ExecutionException e) {
+            throw new RuntimeException("Exception processing rcon command " + s, e.getCause());
+        } catch (InterruptedException e) {
+            Thread.currentThread().interrupt(); // Maintain interrupted state
+            throw new RuntimeException("Interrupted processing rcon command " + s, e);
+        }
+        // CraftBukkit end
     }
 
     public PlayerList getPlayerList() {
         return this.aQ();
     }
+
+    // CraftBukkit start
+    @Override
+    public PropertyManager getPropertyManager() {
+        return this.propertyManager;
+    }
+    // CraftBukkit end
 }