More work on mvmodify; Better integration with Custom gens

src/com/onarandombox/MultiverseCore/MVWorld.java

@@ -15,8 +15,8 @@ public class MVWorld {
     private Configuration config; // Hold the Configuration File.
     
     public World world; // The World Instance.
-    public String environment; // Hold the Environment type EG Environment.NETHER / Environment.NORMAL
+    private Environment environment; // Hold the Environment type EG Environment.NETHER / Environment.NORMAL
-    public Long seed;
+    private Long seed;
     
     public String name; // The Worlds Name, EG its folder name.
     public String alias = ""; // Short Alias for the World, this will be used in Chat Prefixes.
@@ -27,7 +27,7 @@ public class MVWorld {
     public Boolean monsters; // Does this World allow Monsters to Spawn?
     public List<String> monsterList = new ArrayList<String>(); // Contain a list of Monsters which we want to ignore the Spawn Setting.
     
-    public Boolean pvp; // Does this World allow PVP?
+    private Boolean pvp; // Does this World allow PVP?
 
     public List<Integer> blockBlacklist; // Contain a list of Blocks which we won't allow on this World.
     public List<String> playerWhitelist; // Contain a list of Players/Groups which can join this World.
@@ -37,23 +37,27 @@ public class MVWorld {
     public List<String> worldBlacklist; // Contain a list of Worlds which Players cannot use to Portal to this World.
     
     public Double scaling; // How stretched/compressed distances are
+    private ChunkGenerator generator;
+    private String generatorString;
     
-    public MVWorld(World world, Configuration config, MultiverseCore instance, Long seed, String env) {
+    
+    public MVWorld(World world, Configuration config, MultiverseCore instance, Long seed, String generatorString) {
         this.config = config;
         this.plugin = instance;
         
         this.world = world;
         this.name = world.getName();
-        this.environment = env;
+        this.generator = world.getGenerator();
+        this.generatorString = generatorString;
         this.seed = seed;
         
         this.initLists();
         
-        this.alias = config.getString("worlds." + this.name + ".alias", "");
+        this.setAlias(config.getString("worlds." + this.name + ".alias", ""));
         
-        this.pvp = config.getBoolean("worlds." + this.name + ".pvp", true);
+        this.setPvp(config.getBoolean("worlds." + this.name + ".pvp", true));
         
-        this.scaling = config.getDouble("worlds." + this.name + ".scale", 1.0);
+        this.setScaling(config.getDouble("worlds." + this.name + ".scale", 1.0));
         if (this.scaling <= 0) {
             // Disallow negative or 0 scalings.
             config.setProperty("worlds." + this.name + ".scale", 1.0);
@@ -70,13 +74,12 @@ public class MVWorld {
         this.animals = config.getBoolean("worlds." + this.name + ".animals.spawn", true);
         this.monsters = config.getBoolean("worlds." + this.name + ".monsters.spawn", true);
         
-        
-        
         this.getMobExceptions();
         
         this.setRealMobBehaviors();
         
-        config.setProperty("worlds." + this.name + ".environment", env);
+        config.setProperty("worlds." + this.name + ".environment", world.getEnvironment());
+        config.setProperty("worlds." + this.name + ".generatorString",generatorString);
         if (seed != null) {
             config.setProperty("worlds." + this.name + ".seed", this.seed);
         }
@@ -160,4 +163,161 @@ public class MVWorld {
         this.config.setProperty("worlds." + this.name + ".worldBlacklist", this.worldBlacklist);
         this.config.save();
     }
+    
+    public boolean clearVariable(String property) {
+        return false;
+    }
+    
+    public boolean setVariable(String name, String value) {
+        // The booleans
+        try {
+            boolean boolValue = Boolean.parseBoolean(value);
+            if(name.equalsIgnoreCase("pvp")){
+                this.pvp = boolValue;
+            }
+            else if(name.equalsIgnoreCase("animals")){
+                this.animals = boolValue;
+            }
+            else if(name.equalsIgnoreCase("monsters")){
+                this.monsters = boolValue;
+            } else {
+                return false;
+            }
+            return true;
+        } catch (Exception e) {}
+        
+        // The Doubles
+        try {
+            double doubleValue = Double.parseDouble(value);
+            if(name.equalsIgnoreCase("scaling")){
+                this.scaling = doubleValue;
+                return true;
+            }
+            
+        } catch (Exception e) {}
+        
+        // The Strings
+        if(name.equalsIgnoreCase("alias")) {
+            this.alias = value;
+            return true;
+        }
+        
+        return false;
+    }
+    
+    public Environment getEnvironment() {
+        return this.environment;
+    }
+
+    public void setEnvironment(Environment environment) {
+        this.environment = environment;
+    }
+
+    public Long getSeed() {
+        return this.seed;
+    }
+
+    public void setSeed(Long seed) {
+        this.seed = seed;
+    }
+
+    public String getName() {
+        return this.name;
+    }
+
+    public String getAlias() {
+        return this.alias;
+        
+    }
+
+    public void setAlias(String alias) {
+        this.alias = alias;
+        this.config.setProperty("worlds." + this.name + ".alias", alias);
+        this.config.save();
+    }
+
+    public Boolean hasAnimals() {
+        return this.animals;
+    }
+
+    public void setAnimals(Boolean animals) {
+        this.animals = animals;
+        // If animals are a boolean, then we can turn them on or off on the server
+        // If there are ANY exceptions, there will be something spawning, so turn them on
+        if(this.getAnimalList().isEmpty()) {
+            this.world.setSpawnFlags(this.world.getAllowMonsters(), animals);
+        } else {
+            this.world.setSpawnFlags(this.world.getAllowMonsters(), true);
+        }
+        this.config.setProperty("worlds." + this.name + ".animals", animals);
+        this.config.save();
+    }
+
+    public List<String> getAnimalList() {
+        return this.animalList;
+    }
+
+    public Boolean hasMonsters() {
+        return this.monsters;
+    }
+
+    public void setMonsters(Boolean monsters) {
+        this.monsters = monsters;
+        // If monsters are a boolean, then we can turn them on or off on the server
+        // If there are ANY exceptions, there will be something spawning, so turn them on
+        if(this.getAnimalList().isEmpty()) {
+            this.world.setSpawnFlags(monsters, this.world.getAllowAnimals());
+        } else {
+            this.world.setSpawnFlags(true, this.world.getAllowAnimals());
+        }
+        this.config.setProperty("worlds." + this.name + ".monsters", monsters);
+        this.config.save();
+    }
+
+    public List<String> getMonsterList() {
+        return this.monsterList;
+    }
+
+
+    public Boolean getPvp() {
+        return this.pvp;
+    }
+
+    public void setPvp(Boolean pvp) {
+        this.world.setPVP(pvp);
+        this.pvp = pvp;
+        this.config.setProperty("worlds." + this.name + ".pvp", pvp);
+        this.config.save();
+        
+    }
+
+    public List<Integer> getBlockBlacklist() {
+        return this.blockBlacklist;
+    }
+
+    public List<String> getPlayerWhitelist() {
+        return this.playerWhitelist;
+    }
+
+    public List<String> getPlayerBlacklist() {
+        return this.playerBlacklist;
+    }
+
+    public List<String> getEditWhitelist() {
+        return this.editWhitelist;
+    }
+
+    public List<String> getEditBlacklist() {
+        return this.editBlacklist;
+    }
+
+    public Double getScaling() {
+        return this.scaling;
+    }
+
+    public void setScaling(Double scaling) {
+        this.scaling = scaling;
+        this.config.setProperty("worlds." + this.name + ".scaling", scaling);
+        this.config.save();
+    }
 }

src/com/onarandombox/MultiverseCore/MultiverseCore.java

@@ -97,9 +97,6 @@ public class MultiverseCore extends JavaPlugin {
     // HashMap to contain all the Worlds which this Plugin will manage.
     private HashMap<String, MVWorld> worlds = new HashMap<String, MVWorld>();
     
-    // HashMap to contain all custom generators. Plugins will have to register!
-    private HashMap<String, ChunkGenerator> worldGenerators = new HashMap<String, ChunkGenerator>();
-    
     // HashMap to contain information relating to the Players.
     public HashMap<String, MVPlayerSession> playerSessions = new HashMap<String, MVPlayerSession>();
     
@@ -333,20 +330,13 @@ public class MultiverseCore extends JavaPlugin {
                 
                 log(Level.INFO, "Loading World & Settings - '" + worldKey + "' - " + environment);
                 
-                boolean isStockWorldType = this.getEnvFromString(environment) != null;
+                String generator = this.configWorlds.getString("worlds." + worldKey + ".generator.name");
+                String generatorID = this.configWorlds.getString("worlds." + worldKey + ".generator.id");
+                
+                addWorld(worldKey, getEnvFromString(environment), seedString, generator + ":" + generatorID);
                 
-                // If we don't have a seed then add a standard World, else add the world with the Seed.
-                if (filter == null && isStockWorldType) {
-                    addWorld(worldKey, environment, seedString);
                 // Increment the world count
                 count++;
-                } else if (filter != null && filter.equalsIgnoreCase(environment)) {
-                    addWorld(worldKey, environment, seedString);
-                    // Increment the world count
-                    count++;
-                } else {
-                    log(Level.INFO, "World " + worldKey + " was not loaded YET. Multiverse is waiting for a plugin to handle the environment type " + environment);
-                }
             }
         }
         
@@ -367,7 +357,7 @@ public class MultiverseCore extends JavaPlugin {
         World world = this.getServer().getWorlds().get(0);
         if (!this.worlds.containsKey(world.getName())) {
             log.info("Loading World & Settings - '" + world.getName() + "' - " + world.getEnvironment());
-            addWorld(world.getName(), "NORMAL", "");
+            addWorld(world.getName(), Environment.NORMAL, null, null);
             additonalWorldsLoaded++;
         }
         
@@ -375,7 +365,7 @@ public class MultiverseCore extends JavaPlugin {
         World world_nether = this.getServer().getWorld(world.getName() + "_nether");
         if (world_nether != null && !this.worlds.containsKey(world_nether.getName())) {
             log.info("Loading World & Settings - '" + world.getName() + "' - " + world_nether.getEnvironment());
-            addWorld(world_nether.getName(), "NORMAL", "");
+            addWorld(world_nether.getName(), Environment.NETHER, null, null);
             additonalWorldsLoaded++;
         }
         
@@ -400,7 +390,7 @@ public class MultiverseCore extends JavaPlugin {
      * @param name World Name
      * @param environment Environment Type
      */
-    public boolean addWorld(String name, String envString, String seedString) {
+    public boolean addWorld(String name, Environment env, String seedString, String generator) {
         
         Long seed = null;
         if (seedString.length() > 0) {
@@ -411,43 +401,53 @@ public class MultiverseCore extends JavaPlugin {
             }
         }
         
-        Environment env = getEnvFromString(envString);
+        String generatorID = null;
-        ChunkGenerator customGenerator = getChunkGenFromEnv(envString);
+        String generatorName = null;
-        if (env == null) {
+        if (generator != null) {
-            env = Environment.NORMAL;
+            String[] split = generator.split(":", 2);
-            // If the env was null, ie. not a built in one.
+            String id = (split.length > 1) ? split[1] : null;
-            // AND the customGenerator is null, then someone
+            generatorName = split[0];
-            // screwed up... return false!
+            generatorID = id;
-            if (customGenerator == null) {
-                return false;
-            }
         }
         
+        ChunkGenerator customGenerator = getChunkGenerator(generatorName, generatorID, name);
+        World world = null;
         if (seed != null) {
             if (customGenerator != null) {
-                World world = getServer().createWorld(name, env, seed, customGenerator);
+                world = getServer().createWorld(name, env, seed, customGenerator);
-                this.worlds.put(name, new MVWorld(world, this.configWorlds, this, seed, envString)); // Place the World into the HashMap.
+                log(Level.INFO, "Loading World & Settings - '" + name + "' - " + env + " with seed: " + seed + " & Custom Generator: " + generator);
-                log(Level.INFO, "Loading World & Settings - '" + name + "' - " + envString + " with seed: " + seed);
             } else {
-                World world = getServer().createWorld(name, env, seed);
+                world = getServer().createWorld(name, env, seed);
-                this.worlds.put(name, new MVWorld(world, this.configWorlds, this, seed, envString)); // Place the World into the HashMap.
                 log(Level.INFO, "Loading World & Settings - '" + name + "' - " + env + " with seed: " + seed);
             }
         } else {
             if (customGenerator != null) {
-                World world = getServer().createWorld(name, env, customGenerator);
+                world = getServer().createWorld(name, env, customGenerator);
-                this.worlds.put(name, new MVWorld(world, this.configWorlds, this, null, envString)); // Place the World into the HashMap.
+                log(Level.INFO, "Loading World & Settings - '" + name + "' - " + env + " & Custom Generator: " + generator);
-                log(Level.INFO, "Loading World & Settings - '" + name + "' - " + envString);
             } else {
-                World world = getServer().createWorld(name, env);
+                world = getServer().createWorld(name, env);
-                this.worlds.put(name, new MVWorld(world, this.configWorlds, this, null, envString)); // Place the World into the HashMap.
                 log(Level.INFO, "Loading World & Settings - '" + name + "' - " + env);
             }
         }
+        this.worlds.put(name, new MVWorld(world, this.configWorlds, this, seed, generator));
         return true;
         
     }
     
+    private ChunkGenerator getChunkGenerator(String generator, String generatorID, String worldName) {
+        if (generator == null) {
+            return null;
+        }
+        
+        Plugin plugin = getServer().getPluginManager().getPlugin(generator);
+        if (plugin == null) {
+            return null;
+        } else {
+            return plugin.getDefaultWorldGenerator(worldName, generatorID);
+            
+        }
+    }
+    
     /**
      * Remove the world from the Multiverse list
      * 
@@ -654,31 +654,10 @@ public class MultiverseCore extends JavaPlugin {
         try {
             return Environment.valueOf(env);
         } catch (IllegalArgumentException e) {
-            return null;
+            return Environment.NORMAL;
         }
     }
     
-    private ChunkGenerator getChunkGenFromEnv(String env) {
-        if (this.worldGenerators.containsKey(env)) {
-            return this.worldGenerators.get(env);
-        }
-        return null;
-    }
-    /**
-     * Other plugin devs can use this to tell MultiVerse about other environment types
-     * @param name
-     * @param generator
-     * @return
-     */
-    public boolean registerEnvType(String name, ChunkGenerator generator) {
-        if (this.worldGenerators.containsKey(name)) {
-            return false;
-        }
-        this.worldGenerators.put(name, generator);
-        this.loadWorlds(name);
-        return true;
-    }
-    
     // TODO: Find out where to put these next 3 methods! I just stuck them here for now --FF
     
     /**
@@ -731,10 +710,6 @@ public class MultiverseCore extends JavaPlugin {
         }
     }
     
-    public Set<String> getWorldGenerators() {
-        return this.worldGenerators.keySet();
-    }
-    
     public Collection<MVWorld> getMVWorlds() {
         return this.worlds.values();
     }

src/com/onarandombox/MultiverseCore/command/commands/CreateCommand.java

@@ -3,6 +3,7 @@ package com.onarandombox.MultiverseCore.command.commands;
 import java.io.File;
 
 import org.bukkit.ChatColor;
+import org.bukkit.World.Environment;
 import org.bukkit.command.CommandSender;
 
 import com.onarandombox.MultiverseCore.MultiverseCore;
@@ -14,9 +15,9 @@ public class CreateCommand extends BaseCommand {
         super(plugin);
         this.name = "Create World";
         this.description = "Creates a new world of the specified type";
-        this.usage = "/mvcreate" + ChatColor.GREEN + " {NAME} {TYPE}" + ChatColor.GOLD + " [SEED]";
+        this.usage = "/mvcreate" + ChatColor.GREEN + " {NAME} {TYPE}" + ChatColor.GOLD + " -s [SEED] -g [GENERATOR[:GENID]]";
         this.minArgs = 2;
-        this.maxArgs = 3;
+        this.maxArgs = 4;
         this.identifiers.add("mvcreate");
         this.permission = "multiverse.world.create";
         this.requiresOp = true;
@@ -25,33 +26,46 @@ public class CreateCommand extends BaseCommand {
     
     @Override
     public void execute(CommandSender sender, String[] args) {
-        // TODO: Permissions, check
-        
-        int numOfParams = args.length;
-        
-        boolean hasSeed = numOfParams == 3;
         String worldName = args[0];
         String env = args[1];
-        String seed = "";
+        String seed = this.getFlag("-s", args);
-        if (hasSeed) {
+        String generator = this.getFlag("-g", args);
-            seed = args[2];
-        }
         
         if (new File(worldName).exists() || this.plugin.isMVWorld(worldName)) {
             sender.sendMessage(ChatColor.RED + "A Folder/World already exists with this name!");
             sender.sendMessage(ChatColor.RED + "If you are confident it is a world you can import with /mvimport");
             return;
         }
-        if (this.plugin.addWorld(worldName, env, seed)) {
+        
+        Environment environment = this.plugin.getEnvFromString(env);
+        
+        if (this.plugin.addWorld(worldName, environment, seed, generator)) {
             sender.sendMessage(ChatColor.GREEN + "Complete!");
         } else {
             sender.sendMessage(ChatColor.RED + "FAILED.");
-            if(this.plugin.getEnvFromString(env) == null) {
-                sender.sendMessage("That world type did not exist.");
-                sender.sendMessage("For a list of available world types, type: /mvenv");
-            }
         }
         return;
     }
     
+    
+    /**
+     * Returns the given flag value
+     * 
+     * @param flag A param flag, like -s or -g
+     * @param args All arguments to search through
+     * @return A string or null
+     */
+    private String getFlag(String flag, String[] args) {
+        int i = 0;
+        try {
+            for (String s : args) {
+                if (s.equalsIgnoreCase(flag)) {
+                    return args[i++];
+                }
+                i++;
+            }
+        } catch (IndexOutOfBoundsException e) {
+        }
+        return null;
+    }
 }

src/com/onarandombox/MultiverseCore/command/commands/EnvironmentCommand.java

@@ -30,12 +30,6 @@ public class EnvironmentCommand extends BaseCommand{
         sender.sendMessage(ChatColor.GREEN + "NORMAL");
         sender.sendMessage(ChatColor.RED + "NETHER");
         sender.sendMessage(ChatColor.AQUA + "SKYLANDS");
-        if(this.plugin.getWorldGenerators().size() > 0) {
-            sender.sendMessage(ChatColor.DARK_AQUA + "CUSTOM WORLD TYPES:");
-        }
-        for(String s : this.plugin.getWorldGenerators()) {
-            sender.sendMessage(ChatColor.GOLD + s);
-        }
     }
     
 }

src/com/onarandombox/MultiverseCore/command/commands/ImportCommand.java

@@ -3,6 +3,7 @@ package com.onarandombox.MultiverseCore.command.commands;
 import java.io.File;
 
 import org.bukkit.ChatColor;
+import org.bukkit.World.Environment;
 import org.bukkit.command.CommandSender;
 
 import com.onarandombox.MultiverseCore.MultiverseCore;
@@ -14,9 +15,9 @@ public class ImportCommand extends BaseCommand {
         super(plugin);
         this.name = "Import World";
         this.description = "Imports a new world of the specified type";
-        this.usage = "/mvimport" + ChatColor.GREEN + " {NAME} {TYPE}";
+        this.usage = "/mvimport" + ChatColor.GREEN + " {NAME} {ENV} " + ChatColor.GOLD + "[GENERATOR[:ID]]";
         this.minArgs = 2;
-        this.maxArgs = 2;
+        this.maxArgs = 3;
         this.identifiers.add("mvimport");
         this.permission = "multiverse.world.import";
         this.requiresOp = true;
@@ -30,11 +31,17 @@ public class ImportCommand extends BaseCommand {
             return;
         }
         
+        String generator = null;
+        if(args.length == 3) {
+            generator = args[2];
+        }
+        
         String env = args[1];
+        Environment environment = this.plugin.getEnvFromString(env);
         
         if (new File(worldName).exists() && env != null) {
             sender.sendMessage(ChatColor.AQUA + "Starting world import...");
-            this.plugin.addWorld(worldName, env, "");
+            this.plugin.addWorld(worldName, environment, null, generator);
             sender.sendMessage(ChatColor.GREEN + "Complete!");
             return;
         } else if(env == null) {

src/com/onarandombox/MultiverseCore/command/commands/InfoCommand.java

@@ -54,7 +54,7 @@ public class InfoCommand extends BaseCommand {
         aPage[1] = "World Scale: " + world.scaling;
         
         // PVP: 1
-        aPage[2] = "PVP: " + world.pvp;
+        aPage[2] = "PVP: " + world.getPvp();
         
         // This feature is not mission critical and I am spending too much time on it...
         // Stopping work on it for now --FF 20110623

src/com/onarandombox/MultiverseCore/command/commands/ListCommand.java

@@ -38,11 +38,8 @@ public class ListCommand extends BaseCommand {
             }
             
             ChatColor color = ChatColor.GOLD;
-            Environment env = this.plugin.getEnvFromString(world.environment);
+            Environment env = world.getEnvironment();
-            if(this.plugin.getEnvFromString(world.environment) == null) {
+            if (env == Environment.NETHER) {
-                color = ChatColor.GOLD;
-            }
-            else if (env == Environment.NETHER) {
                 color = ChatColor.RED;
             } else if (env == Environment.NORMAL) {
                 color = ChatColor.GREEN;
@@ -50,7 +47,7 @@ public class ListCommand extends BaseCommand {
                 color = ChatColor.AQUA;
             }
             
-            output += ChatColor.WHITE + world.name + " - " + color + world.environment + " \n";
+            output += ChatColor.WHITE + world.name + " - " + color + world.getEnvironment() + " \n";
             
         }
         String[] response = output.split("\n");

src/com/onarandombox/MultiverseCore/command/commands/ModifyCommand.java

@@ -1,16 +1,30 @@
 package com.onarandombox.MultiverseCore.command.commands;
 
+import java.lang.reflect.Method;
+
 import org.bukkit.ChatColor;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
+import org.bukkit.util.config.Configuration;
 
 import com.onarandombox.MultiverseCore.MVWorld;
 import com.onarandombox.MultiverseCore.MultiverseCore;
 import com.onarandombox.MultiverseCore.command.BaseCommand;
 
-enum Action{Set, Add, Remove}
+enum Action {
+    Set, Add, Remove
+}
+
+// This will contain all the properties that support the ADD/REMOVE
+// Anything not in here will only support the SET action
+enum AddProperties {animallist,monsterlist,blockblacklist,playerwhitelist,playerblacklist,editwhitelist,editblacklist,worldblacklist}
+
+enum SetProperties {alias,animals,monsters,pvp,scaling}
+
 public class ModifyCommand extends BaseCommand {
     
+    private Configuration config;
+
     public ModifyCommand(MultiverseCore plugin) {
         super(plugin);
         this.name = "Modify a World";
@@ -21,6 +35,7 @@ public class ModifyCommand extends BaseCommand {
         this.identifiers.add("mvmodify");
         this.permission = "multiverse.world.modify";
         this.requiresOp = true;
+        this.config = plugin.configWorlds;
     }
     
     @Override
@@ -39,11 +54,63 @@ public class ModifyCommand extends BaseCommand {
         Player p;
         if (args.length == 3) {
             p = (Player) sender;
-            world = plugin.getMVWorld(p.getWorld().getName());
+            world = this.plugin.getMVWorld(p.getWorld().getName());
+            action = getActionEnum(args[0]);
+            value = args[1];
+            property = args[2];
         } else {
+            world = this.plugin.getMVWorld(args[0]);
+            action = getActionEnum(args[1]);
+            value = args[2];
+            property = args[3];
+        }
+        
+        if (world == null) {
+            sender.sendMessage("That world does not exist!");
+            return;
+        }
+        
+        if (action == null) {
+            sender.sendMessage("That wasn't a valid action. Valid actions are:");
+            sender.sendMessage("SET, ADD or REMOVE");
+            return;
+        }
+        
+        if (!this.validateAction(action, property)) {
+            sender.sendMessage("Sorry, you can't use " + action + " with " + property);
+            sender.sendMessage("Please visit our wiki for more information: URLGOESHERE FERNFERRET DON'T FORGET IT!");
+            return;
+        }
+        
+        if(action == Action.Set) {
+            if(world.setVariable(property, value)) {
+                sender.sendMessage("Property " + property + " was set to " + value);
+            } else {
+                sender.sendMessage("There was an error setting " + property);
+            }
+            return;
+        }
+        
+        
         
     }
     
+    private boolean validateAction(Action action, String property) {
+        if (action == Action.Set) {
+            try {
+                SetProperties.valueOf(property);
+                return true;
+            } catch (IllegalArgumentException e) {
+                return false;
+            }
+        } else {
+            try {
+                AddProperties.valueOf(property);
+                return true;
+            } catch (IllegalArgumentException e) {
+                return false;
+            }
+        }
         
     }
     

src/com/onarandombox/MultiverseCore/command/commands/WhoCommand.java

@@ -59,11 +59,8 @@ public class WhoCommand extends BaseCommand {
             }
             
             ChatColor color = ChatColor.GOLD;
-            Environment env = this.plugin.getEnvFromString(world.environment);
+            Environment env = world.getEnvironment();
-            if(this.plugin.getEnvFromString(world.environment) == null) {
+            if (env == Environment.NETHER) {
-                color = ChatColor.GOLD;
-            }
-            else if (env == Environment.NETHER) {
                 color = ChatColor.RED;
             } else if (env == Environment.NORMAL) {
                 color = ChatColor.GREEN;