Added "/mv gamerule" and "/mv gamerules" for setting and listing game rules per world. Fixes #987.

src/main/java/com/onarandombox/MultiverseCore/MultiverseCore.java

@@ -31,6 +31,8 @@ import com.onarandombox.MultiverseCore.commands.CreateCommand;
 import com.onarandombox.MultiverseCore.commands.DebugCommand;
 import com.onarandombox.MultiverseCore.commands.DeleteCommand;
 import com.onarandombox.MultiverseCore.commands.EnvironmentCommand;
+import com.onarandombox.MultiverseCore.commands.GameruleCommand;
+import com.onarandombox.MultiverseCore.commands.GamerulesCommand;
 import com.onarandombox.MultiverseCore.commands.GeneratorCommand;
 import com.onarandombox.MultiverseCore.commands.HelpCommand;
 import com.onarandombox.MultiverseCore.commands.ImportCommand;
@@ -823,6 +825,8 @@ public class MultiverseCore extends JavaPlugin implements MVPlugin, Core {
         this.commandHandler.registerCommand(new GeneratorCommand(this));
         this.commandHandler.registerCommand(new CheckCommand(this));
         this.commandHandler.registerCommand(new ScriptCommand(this));
+        this.commandHandler.registerCommand(new GameruleCommand(this));
+        this.commandHandler.registerCommand(new GamerulesCommand(this));
     }
 
     /**

src/main/java/com/onarandombox/MultiverseCore/commands/GameruleCommand.java

@@ -0,0 +1,75 @@
+/******************************************************************************
+ * Multiverse 2 Copyright (c) the Multiverse Team 2011.                       *
+ * Multiverse 2 is licensed under the BSD License.                            *
+ * For more information please check the README.md file included              *
+ * with this project.                                                         *
+ ******************************************************************************/
+
+package com.onarandombox.MultiverseCore.commands;
+
+import com.onarandombox.MultiverseCore.MultiverseCore;
+import org.bukkit.Bukkit;
+import org.bukkit.ChatColor;
+import org.bukkit.World;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+import org.bukkit.permissions.PermissionDefault;
+
+import java.util.List;
+
+/**
+ * Allows management of Anchor Destinations.
+ */
+public class GameruleCommand extends MultiverseCommand {
+
+    public GameruleCommand(MultiverseCore plugin) {
+        super(plugin);
+        this.setName("Set a Minecraft Game Rule for a World.");
+        this.setCommandUsage("/mv gamerule " + ChatColor.GREEN + "{RULE} {VALUE}" + ChatColor.GOLD + " [WORLD]");
+        this.setArgRange(2, 3);
+        this.addKey("mv gamerule");
+        this.addKey("mv rule");
+        this.addKey("mvgamerule");
+        this.addKey("mvrule");
+        this.addCommandExample("/mv gamerule " + ChatColor.GREEN + "doMobLoot false");
+        this.addCommandExample("/mvrule " + ChatColor.GREEN + "keepInventory true " + ChatColor.RED + "world_nether");
+        this.setPermission("multiverse.core.gamerule.set", "Allows a player to set a gamerule.", PermissionDefault.OP);
+    }
+
+
+    @Override
+    public void runCommand(CommandSender sender, List<String> args) {
+        // We NEED a world from the command line
+        final Player p;
+        if (sender instanceof Player) {
+            p = (Player) sender;
+        } else {
+            p = null;
+        }
+
+        if (args.size() == 2 && p == null) {
+            sender.sendMessage("From the command line, WORLD is required.");
+            sender.sendMessage(this.getCommandDesc());
+            sender.sendMessage(this.getCommandUsage());
+            sender.sendMessage("Nothing changed.");
+            return;
+        }
+
+        final String gameRule = args.get(0);
+        final String value = args.get(1);
+        final World world;
+        if (args.size() == 2) {
+            world = p.getWorld();
+        } else {
+            world = Bukkit.getWorld(args.get(2));
+        }
+
+        if (world.setGameRuleValue(gameRule, value)) {
+            sender.sendMessage(ChatColor.GREEN + "Success!" + ChatColor.WHITE + " Gamerule " + ChatColor.AQUA + gameRule
+                    + ChatColor.WHITE + " was set to " + ChatColor.GREEN + value);
+        } else {
+            sender.sendMessage(ChatColor.RED + "Failure!" + ChatColor.WHITE + " Gamerule " + ChatColor.AQUA + gameRule
+                    + ChatColor.WHITE + " cannot be set to " + ChatColor.RED + value);
+        }
+    }
+}

src/main/java/com/onarandombox/MultiverseCore/commands/GamerulesCommand.java

@@ -0,0 +1,76 @@
+/******************************************************************************
+ * Multiverse 2 Copyright (c) the Multiverse Team 2011.                       *
+ * Multiverse 2 is licensed under the BSD License.                            *
+ * For more information please check the README.md file included              *
+ * with this project.                                                         *
+ ******************************************************************************/
+
+package com.onarandombox.MultiverseCore.commands;
+
+import com.onarandombox.MultiverseCore.MultiverseCore;
+import org.bukkit.Bukkit;
+import org.bukkit.ChatColor;
+import org.bukkit.World;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+import org.bukkit.permissions.PermissionDefault;
+
+import java.util.List;
+
+/**
+ * Allows management of Anchor Destinations.
+ */
+public class GamerulesCommand extends MultiverseCommand {
+
+    public GamerulesCommand(MultiverseCore plugin) {
+        super(plugin);
+        this.setName("List the Minecraft Game Rules for a World.");
+        this.setCommandUsage("/mv gamerules" + ChatColor.GOLD + " [WORLD]");
+        this.setArgRange(0, 1);
+        this.addKey("mv gamerules");
+        this.addKey("mv rules");
+        this.addKey("mvgamerules");
+        this.addKey("mvrules");
+        this.addCommandExample("/mv gamerules");
+        this.addCommandExample("/mvrules " + ChatColor.RED + "world_nether");
+        this.setPermission("multiverse.core.gamerule.list", "Allows a player to list gamerules.", PermissionDefault.OP);
+    }
+
+
+    @Override
+    public void runCommand(CommandSender sender, List<String> args) {
+        // We NEED a world from the command line
+        final Player p;
+        if (sender instanceof Player) {
+            p = (Player) sender;
+        } else {
+            p = null;
+        }
+
+        if (args.size() == 0 && p == null) {
+            sender.sendMessage("From the command line, WORLD is required.");
+            sender.sendMessage(this.getCommandDesc());
+            sender.sendMessage(this.getCommandUsage());
+            sender.sendMessage("Nothing changed.");
+            return;
+        }
+
+        final World world;
+        if (args.size() == 0) {
+            world = p.getWorld();
+        } else {
+            world = Bukkit.getWorld(args.get(0));
+        }
+
+        final StringBuilder gameRules = new StringBuilder();
+        for (final String gameRule : world.getGameRules()) {
+            if (gameRules.length() != 0) {
+                gameRules.append(ChatColor.WHITE).append(", ");
+            }
+            gameRules.append(ChatColor.AQUA).append(gameRule).append(ChatColor.WHITE).append(": ");
+            gameRules.append(ChatColor.GREEN).append(world.getGameRuleValue(gameRule));
+        }
+        sender.sendMessage("=== Gamerules for " + ChatColor.AQUA + world.getName() + ChatColor.WHITE + " ===");
+        sender.sendMessage(gameRules.toString());
+    }
+}

src/main/resources/plugin.yml

@@ -215,3 +215,20 @@ commands:
     description: Reduces startup messages
     usage: |
             /<command> [true|false]
+  
+  mvgamerule:
+    description: Sets a gamerule.
+    usage: |
+            /<command> {RULE} {VALUE} [WORLD]
+  mvrule:
+    description: Sets a gamerule.
+    usage: |
+            /<command> {RULE} {VALUE} [WORLD]
+  mvgamerules:
+    description: Lists the gamerules.
+    usage: |
+            /<command> [WORLD]
+  mvrules:
+    description: Lists the gamerules.
+    usage: |
+            /<command> [WORLD]