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path: root/nms-patches/CommandBlockListenerAbstract.patch
blob: 414c0a4c45516f04ff3efb24799c2a92cdb70f89 (plain)
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--- ../work/decompile-8eb82bde//net/minecraft/server/CommandBlockListenerAbstract.java	2014-11-28 11:22:55.802823166 +0000
+++ src/main/java/net/minecraft/server/CommandBlockListenerAbstract.java	2014-11-28 11:01:54.000000000 +0000
@@ -4,6 +4,13 @@
 import java.util.Date;
 import java.util.concurrent.Callable;
 
+// CraftBukkit start
+import java.util.ArrayList;
+import org.apache.logging.log4j.Level;
+import org.bukkit.craftbukkit.command.VanillaCommandWrapper;
+import com.google.common.base.Joiner;
+// CraftBukkit end
+
 public abstract class CommandBlockListenerAbstract implements ICommandListener {
 
     private static final SimpleDateFormat a = new SimpleDateFormat("HH:mm:ss");
@@ -13,6 +20,7 @@
     public String e = "";
     private String f = "@";
     private final CommandObjectiveExecutor g = new CommandObjectiveExecutor();
+    protected org.bukkit.command.CommandSender sender; // CraftBukkit - add sender
 
     public CommandBlockListenerAbstract() {}
 
@@ -79,7 +87,109 @@
 
             try {
                 this.d = null;
-                this.b = icommandhandler.a(this, this.e);
+                // this.b = icommandhandler.a(this, this.e);
+                // CraftBukkit start - Handle command block commands using Bukkit dispatcher
+                org.bukkit.command.SimpleCommandMap commandMap = minecraftserver.server.getCommandMap();
+                Joiner joiner = Joiner.on(" ");
+                String command = this.e;
+                if (this.e.startsWith("/")) {
+                    command = this.e.substring(1);
+                }
+                String[] args = command.split(" ");
+                ArrayList<String[]> commands = new ArrayList<String[]>();
+
+                // Block disallowed commands
+                if (args[0].equalsIgnoreCase("stop") || args[0].equalsIgnoreCase("kick") || args[0].equalsIgnoreCase("op") ||
+                        args[0].equalsIgnoreCase("deop") || args[0].equalsIgnoreCase("ban") || args[0].equalsIgnoreCase("ban-ip") ||
+                        args[0].equalsIgnoreCase("pardon") || args[0].equalsIgnoreCase("pardon-ip") || args[0].equalsIgnoreCase("reload")) {
+                    this.b = 0;
+                    return;
+                }
+
+                // If the world has no players don't run
+                if (this.getWorld().players.isEmpty()) {
+                    this.b = 0;
+                    return;
+                }
+
+                // Handle vanilla commands;
+                if (minecraftserver.server.getCommandBlockOverride(args[0])) {
+                    org.bukkit.command.Command commandBlockCommand = commandMap.getCommand("minecraft:" + args[0]);
+                    if (commandBlockCommand instanceof VanillaCommandWrapper) {
+                        this.b = ((VanillaCommandWrapper) commandBlockCommand).dispatchVanillaCommandBlock(this, this.e);
+                        return;
+                    }
+                }
+
+                // Make sure this is a valid command
+                if (commandMap.getCommand(args[0]) == null) {
+                    this.b = 0;
+                    return;
+                }
+
+                // testfor command requires special handling
+                if (args[0].equalsIgnoreCase("testfor")) {
+                    if (args.length < 2) {
+                        this.b = 0;
+                        return;
+                    }
+
+                    EntityPlayer[] players = ((java.util.List<EntityPlayer>)PlayerSelector.getPlayers(this, args[1], EntityPlayer.class)).toArray(new EntityPlayer[0]);
+
+                    if (players != null && players.length > 0) {
+                        this.b = players.length;
+                        return;
+                    } else {
+                        EntityPlayer player = MinecraftServer.getServer().getPlayerList().getPlayer(args[1]);
+                        if (player == null) {
+                            this.b = 0;
+                            return;
+                        } else {
+                            this.b = 1;
+                            return;
+                        }
+                    }
+                }
+
+                commands.add(args);
+
+                // Find positions of command block syntax, if any
+                ArrayList<String[]> newCommands = new ArrayList<String[]>();
+                for (int i = 0; i < args.length; i++) {
+                    if (PlayerSelector.isPattern(args[i])) {
+                        for (int j = 0; j < commands.size(); j++) {
+                            newCommands.addAll(this.buildCommands(commands.get(j), i));
+                        }
+                        ArrayList<String[]> temp = commands;
+                        commands = newCommands;
+                        newCommands = temp;
+                        newCommands.clear();
+                    }
+                }
+
+                int completed = 0;
+
+                // Now dispatch all of the commands we ended up with
+                for (int i = 0; i < commands.size(); i++) {
+                    try {
+                        if (commandMap.dispatch(sender, joiner.join(java.util.Arrays.asList(commands.get(i))))) {
+                            completed++;
+                        }
+                    } catch (Throwable exception) {
+                        if(this instanceof TileEntityCommandListener) {
+                            TileEntityCommandListener listener = (TileEntityCommandListener) this;
+                            MinecraftServer.getLogger().log(Level.WARN, String.format("CommandBlock at (%d,%d,%d) failed to handle command", listener.getChunkCoordinates().getX(), listener.getChunkCoordinates().getY(), listener.getChunkCoordinates().getZ()), exception);
+                        } else if (this instanceof EntityMinecartCommandBlockListener) {
+                            EntityMinecartCommandBlockListener listener = (EntityMinecartCommandBlockListener) this;
+                            MinecraftServer.getLogger().log(Level.WARN, String.format("MinecartCommandBlock at (%d,%d,%d) failed to handle command", listener.getChunkCoordinates().getX(), listener.getChunkCoordinates().getY(), listener.getChunkCoordinates().getZ()), exception);
+                        } else {
+                            MinecraftServer.getLogger().log(Level.WARN, String.format("Unknown CommandBlock failed to handle command"), exception);
+                        }
+                    }
+                }
+
+                this.b = completed;
+                // CraftBukkit end
             } catch (Throwable throwable) {
                 CrashReport crashreport = CrashReport.a(throwable, "Executing command block");
                 CrashReportSystemDetails crashreportsystemdetails = crashreport.a("Command to be executed");
@@ -91,8 +201,26 @@
         } else {
             this.b = 0;
         }
+    }
+ 
+    // CraftBukkit start
+    private ArrayList<String[]> buildCommands(String[] args, int pos) {
+        ArrayList<String[]> commands = new ArrayList<String[]>();
+        EntityPlayer[] players = ((java.util.List<EntityPlayer>)PlayerSelector.getPlayers(this, args[pos], EntityPlayer.class)).toArray(new EntityPlayer[0]);
+        if (players != null) {
+            for (EntityPlayer player : players) {
+                if (player.world != this.getWorld()) {
+                    continue;
+                }
+                String[] command = args.clone();
+                command[pos] = player.getName();
+                commands.add(command);
+            }
+        }
 
+        return commands;
     }
+    // CraftBukkit end
 
     public String getName() {
         return this.f;