#94: New world system (WIP)

- Added world handler class (Worlds)
- Added representation class for unloaded worlds (ResourceWorld)
- Added abstract representation class for all loaded worlds
(InstanceWorld)
- Added class to represent sign data file (SignData)

src/main/java/io/github/dre2n/dungeonsxl/DungeonsXL.java

@@ -55,6 +55,7 @@ import io.github.dre2n.dungeonsxl.task.WorldUnloadTask;
 import io.github.dre2n.dungeonsxl.trigger.TriggerTypes;
 import io.github.dre2n.dungeonsxl.world.EditWorld;
 import io.github.dre2n.dungeonsxl.world.GameWorld;
+import io.github.dre2n.dungeonsxl.world.Worlds;
 import io.github.dre2n.itemsxl.ItemsXL;
 import java.io.File;
 import java.util.List;
@@ -100,6 +101,7 @@ public class DungeonsXL extends BRPlugin {
     private DClasses dClasses;
     private DMobTypes dMobTypes;
     private SignScripts signScripts;
+    private Worlds worlds;
 
     private BukkitTask announcerTask;
     private BukkitTask worldUnloadTask;
@@ -108,8 +110,6 @@ public class DungeonsXL extends BRPlugin {
     private BukkitTask secureModeTask;
 
     private CopyOnWriteArrayList<DLootInventory> dLootInventories = new CopyOnWriteArrayList<>();
-    private CopyOnWriteArrayList<EditWorld> editWorlds = new CopyOnWriteArrayList<>();
-    private CopyOnWriteArrayList<GameWorld> gameWorlds = new CopyOnWriteArrayList<>();
     private CopyOnWriteArrayList<Game> games = new CopyOnWriteArrayList<>();
     private CopyOnWriteArrayList<DGroup> dGroups = new CopyOnWriteArrayList<>();
 
@@ -602,10 +602,24 @@ public class DungeonsXL extends BRPlugin {
     }
 
     /**
-     * @return the worldUnloadTask
+     * @return the loaded instance of Worlds
      */
-    public BukkitTask getWorldUnloadTask() {
-        return worldUnloadTask;
+    public Worlds getWorlds() {
+        return worlds;
+    }
+
+    /**
+     * load / reload a new instance of Worlds
+     */
+    public void loadWorlds(File folder) {
+        worlds = new Worlds(MAPS);
+    }
+
+    /**
+     * @return the AnnouncerTask
+     */
+    public BukkitTask getAnnouncerTask() {
+        return announcerTask;
     }
 
     /**
@@ -618,10 +632,10 @@ public class DungeonsXL extends BRPlugin {
     }
 
     /**
-     * @return the AnnouncerTask
+     * @return the worldUnloadTask
      */
-    public BukkitTask getAnnouncerTask() {
-        return announcerTask;
+    public BukkitTask getWorldUnloadTask() {
+        return worldUnloadTask;
     }
 
     /**
@@ -680,20 +694,6 @@ public class DungeonsXL extends BRPlugin {
         return dLootInventories;
     }
 
-    /**
-     * @return the editWorlds
-     */
-    public List<EditWorld> getEditWorlds() {
-        return editWorlds;
-    }
-
-    /**
-     * @return the gameWorlds
-     */
-    public List<GameWorld> getGameWorlds() {
-        return gameWorlds;
-    }
-
     /**
      * @return the games
      */

src/main/java/io/github/dre2n/dungeonsxl/config/SignData.java

@@ -0,0 +1,141 @@
+/*
+ * Copyright (C) 2012-2016 Frank Baumann
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package io.github.dre2n.dungeonsxl.config;
+
+import io.github.dre2n.dungeonsxl.sign.DSign;
+import io.github.dre2n.dungeonsxl.world.EditWorld;
+import io.github.dre2n.dungeonsxl.world.GameWorld;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import java.util.List;
+import org.bukkit.block.Block;
+import org.bukkit.block.Sign;
+
+/**
+ * @author Daniel Saukel
+ */
+public class SignData {
+
+    private File file;
+
+    public SignData(File file) {
+        this.file = file;
+    }
+
+    /* Getters and setters */
+    /**
+     * @return the file
+     */
+    public File getFile() {
+        return file;
+    }
+
+    /* Actions */
+    /**
+     * Applies all signs from the file to the EditWorld.
+     * Also sets the lobby location of the EditWorld to the location of the lobby sign if one exists.
+     *
+     * @param editWorld
+     * the EditWorld where the signs are
+     * @throws IOException
+     */
+    public void deserializeSigns(EditWorld editWorld) throws IOException {
+        ObjectInputStream os = new ObjectInputStream(new FileInputStream(file));
+        int length = os.readInt();
+
+        for (int i = 0; i < length; i++) {
+            int x = os.readInt();
+            int y = os.readInt();
+            int z = os.readInt();
+
+            Block block = editWorld.getWorld().getBlockAt(x, y, z);
+            editWorld.getSigns().add(block);
+
+            if (block.getState() instanceof Sign) {
+                Sign sign = (Sign) block.getState();
+                String[] lines = sign.getLines();
+
+                if (lines[0].equalsIgnoreCase("[lobby]")) {
+                    editWorld.setLobbyLocation(block.getLocation());
+                }
+            }
+        }
+    }
+
+    /**
+     * Applies all signs from the file to the GameWorld.
+     *
+     * @param gameWorld
+     * the GameWorld where the signs are
+     * @return a Set of all DSign blocks
+     * @throws IOException
+     */
+    public void deserializeSigns(GameWorld gameWorld) throws IOException {
+        ObjectInputStream os = new ObjectInputStream(new FileInputStream(file));
+
+        int length = os.readInt();
+        for (int i = 0; i < length; i++) {
+            int x = os.readInt();
+            int y = os.readInt();
+            int z = os.readInt();
+
+            Block block = gameWorld.getWorld().getBlockAt(x, y, z);
+            if (block.getState() instanceof Sign) {
+                DSign dSign = DSign.create((Sign) block.getState(), gameWorld);
+                gameWorld.getDSigns().add(dSign);
+            }
+        }
+
+        os.close();
+    }
+
+    /**
+     * Applies all signs from the EditWorld to the file.
+     *
+     * @param editWorld
+     * the EditWorld that contains the signs to serialize
+     * @throws IOException
+     */
+    public void serializeSigns(EditWorld editWorld) throws IOException {
+        serializeSigns(editWorld.getSigns());
+    }
+
+    /**
+     * Applies all signs from the sign list to the file.
+     *
+     * @param signs
+     * the signs to serialize
+     * @throws IOException
+     */
+    public void serializeSigns(List<Block> signs) throws IOException {
+        ObjectOutputStream out = new ObjectOutputStream(new FileOutputStream(file));
+        out.writeInt(signs.size());
+
+        for (Block sign : signs) {
+            out.writeInt(sign.getX());
+            out.writeInt(sign.getY());
+            out.writeInt(sign.getZ());
+        }
+
+        out.close();
+    }
+
+}

src/main/java/io/github/dre2n/dungeonsxl/world/InstanceWorld.java

@@ -0,0 +1,95 @@
+/*
+ * Copyright (C) 2012-2016 Frank Baumann
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package io.github.dre2n.dungeonsxl.world;
+
+import io.github.dre2n.dungeonsxl.DungeonsXL;
+import io.github.dre2n.dungeonsxl.config.WorldConfig;
+import org.bukkit.Location;
+import org.bukkit.World;
+
+/**
+ * @author Daniel Saukel
+ */
+public class InstanceWorld {
+
+    DungeonsXL plugin = DungeonsXL.getInstance();
+
+    public static String ID_FILE_PREFIX = ".id_";
+
+    private ResourceWorld resourceWorld;
+    private World world;
+    private int id;
+    private Location lobby;
+
+    InstanceWorld(ResourceWorld resourceWorld, World world, int id) {
+        this.resourceWorld = resourceWorld;
+        this.world = world;
+        this.id = id;
+    }
+
+    /* Getters and setters */
+    /**
+     * @return the name of the ResourceWorld
+     */
+    public String getName() {
+        return resourceWorld.getName();
+    }
+
+    /**
+     * @return the WorldConfig
+     */
+    public WorldConfig getConfig() {
+        return resourceWorld.getConfig();
+    }
+
+    /**
+     * @return the instance
+     */
+    public World getWorld() {
+        return world;
+    }
+
+    /**
+     * @return the unique ID
+     */
+    public int getId() {
+        return id;
+    }
+
+    /**
+     * @return the location where the player spawns
+     */
+    public Location getLobbyLocation() {
+        return lobby;
+    }
+
+    /**
+     * @param lobby
+     * the spawn location to set
+     */
+    public void setLobbyLocation(Location lobby) {
+        this.lobby = lobby;
+    }
+
+    /**
+     * @return the ResourceWorld of that this world is an instance
+     */
+    public ResourceWorld getResource() {
+        return resourceWorld;
+    }
+
+}

src/main/java/io/github/dre2n/dungeonsxl/world/ResourceWorld.java

@@ -0,0 +1,148 @@
+/*
+ * Copyright (C) 2012-2016 Frank Baumann
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package io.github.dre2n.dungeonsxl.world;
+
+import io.github.dre2n.commons.util.FileUtil;
+import io.github.dre2n.dungeonsxl.DungeonsXL;
+import io.github.dre2n.dungeonsxl.config.SignData;
+import io.github.dre2n.dungeonsxl.config.WorldConfig;
+import java.io.File;
+import java.io.IOException;
+import org.bukkit.Bukkit;
+import org.bukkit.World;
+import org.bukkit.WorldCreator;
+
+/**
+ * This class represents unloaded worlds.
+ *
+ * @author Daniel Saukel
+ */
+public class ResourceWorld {
+
+    DungeonsXL plugin = DungeonsXL.getInstance();
+
+    private File folder;
+    private WorldConfig config;
+    private SignData signData;
+
+    public ResourceWorld(File folder) {
+        this.folder = folder;
+
+        File configFile = new File(folder, "config.yml");
+        if (configFile.exists()) {
+            config = new WorldConfig(configFile);
+        }
+
+        File signData = new File(folder, "DXLData.data");
+        if (signData.exists()) {
+            this.signData = new SignData(signData);
+        }
+    }
+
+    /* Getters and setters */
+    /**
+     * @return the folder that stores the world
+     */
+    public File getFolder() {
+        return folder;
+    }
+
+    /**
+     * @return the name of the world
+     */
+    public String getName() {
+        return folder.getName();
+    }
+
+    /**
+     * @param name
+     * the name to set
+     */
+    public void setName(String name) {
+        folder.renameTo(new File(folder.getParentFile(), name));
+    }
+
+    /**
+     * @return the WorldConfig
+     */
+    public WorldConfig getConfig() {
+        return config;
+    }
+
+    /**
+     * @return the DXLData.data file
+     */
+    public SignData getSignData() {
+        return signData;
+    }
+
+    /* Actions */
+    /**
+     * @param game
+     * whether the instance is a GameWorld
+     * @return an instance of this world
+     */
+    public InstanceWorld instantiate(boolean game) {
+        int id = plugin.getWorlds().getInstances().size();
+        String name = "DXL_" + (game ? "Game" : "Edit") + "_" + id;
+        File instanceFolder = new File(Bukkit.getWorldContainer(), name);
+        FileUtil.copyDirectory(folder, instanceFolder, DungeonsXL.EXCLUDED_FILES);
+
+        if (Bukkit.getWorld(name) != null) {
+            return null;
+        }
+
+        World world = plugin.getServer().createWorld(WorldCreator.name(name));
+
+        File idFile = new File(name, InstanceWorld.ID_FILE_PREFIX + getName());
+        try {
+            idFile.createNewFile();
+        } catch (IOException exception) {
+            exception.printStackTrace();
+        }
+
+        InstanceWorld instance = new InstanceWorld(this, world, id);
+
+        try {
+            if (game) {
+                signData.deserializeSigns((GameWorld) instance);
+            } else {
+                signData.deserializeSigns((EditWorld) instance);
+            }
+
+        } catch (IOException exception) {
+            exception.printStackTrace();
+        }
+
+        return instance;
+    }
+
+    /**
+     * @return an instance of this world
+     */
+    public EditWorld instantiateAsEditWorld() {
+        return (EditWorld) instantiate(false);
+    }
+
+    /**
+     * @return an instance of this world
+     */
+    public GameWorld instantiateAsGameWorld() {
+        return (GameWorld) instantiate(true);
+    }
+
+}

src/main/java/io/github/dre2n/dungeonsxl/world/Worlds.java

@@ -16,6 +16,7 @@
  */
 package io.github.dre2n.dungeonsxl.world;
 
+import io.github.dre2n.commons.util.NumberUtil;
 import java.io.File;
 import java.util.Set;
 
@@ -24,23 +25,68 @@ import java.util.Set;
  */
 public class Worlds {
 
-    /*private Set<ResourceWorld> resourceWorlds;
+    private Set<ResourceWorld> resources;
+    private Set<InstanceWorld> instances;
 
     public Worlds(File folder) {
         for (File file : folder.listFiles()) {
-            resourceWorlds.add(new ResourceWorld());
+            if (file.isDirectory()) {
+                resources.add(new ResourceWorld(file));
+            }
         }
-    }*/
+    }
 
-    @Deprecated
-    public static boolean exists(String name) {
-        for (File world : io.github.dre2n.dungeonsxl.DungeonsXL.MAPS.listFiles()) {
-            if (world.isDirectory() && world.getName().equalsIgnoreCase(name)) {
-                return true;
+    /* Getters and setters */
+    /**
+     * @return the ResourceWorld that has this name
+     */
+    public ResourceWorld getResourceByName(String name) {
+        for (ResourceWorld world : resources) {
+            if (world.getName().equals(name)) {
+                return world;
             }
         }
 
-        return false;
+        return null;
+    }
+
+    /**
+     * @return the InstanceWorld that has this name
+     */
+    public InstanceWorld getInstanceByName(String name) {
+        String[] splitted = name.split("_");
+        if (splitted.length != 3) {
+            return null;
+        }
+
+        return getInstanceById(NumberUtil.parseInt(splitted[2], -1));
+    }
+
+    /**
+     * @return the InstanceWorld that has this ID
+     */
+    public InstanceWorld getInstanceById(int id) {
+        for (InstanceWorld world : instances) {
+            if (world.getId() == id) {
+                return world;
+            }
+        }
+
+        return null;
+    }
+
+    /**
+     * @return the ResourceWorlds in the maps folder
+     */
+    public Set<ResourceWorld> getResources() {
+        return resources;
+    }
+
+    /**
+     * @return the loaded InstanceWorlds in the world container
+     */
+    public Set<InstanceWorld> getInstances() {
+        return instances;
     }
 
 }