/**
   * Gives ownership of the current Chunk to the Player
   *
   * @param player The Player buying the Chunk
   */
  public static void buy(Player player) {
    // Cancel if the Player does not have permission to use the command
    if (!MyChunks.hasPermission(player, "own")) {
      player.sendMessage(permissionMsg);
      return;
    }

    // Retrieve the OwnedChunk that the Player is in
    Chunk chunk = player.getLocation().getBlock().getChunk();
    String world = player.getWorld().getName();
    int x = chunk.getX();
    int z = chunk.getZ();
    OwnedChunk ownedChunk = MyChunks.getOwnedChunk(world, x, z);

    // If the owner of the OwnedChunk is not blank then the Chunk is already claimed
    if (ownedChunk.owner != null) {
      player.sendMessage(claimedMsg);
      return;
    }

    ownedChunk.owner = player.getName();

    int limit = MyChunks.getOwnLimit(player);
    int owned = 0;

    // Don't check how many are owned if the Player is not limited
    if (limit != -1) {
      // Retrieve the ChunkCounter value of the Player
      Object object = MyChunks.chunkCounter.get(player.getName());
      if (object != null) owned = (Integer) object;

      // Cancel if the Player owns their maximum limit
      if (owned >= limit) {
        player.sendMessage(limitMsg);
        return;
      }
    }

    // Charge the Player only if they don't have the 'chunkown.free' node
    if (MyChunks.hasPermission(player, "free")) player.sendMessage(buyFreeMsg);
    else if (!Econ.buy(player)) {
      // Delete the OwnedChunk because the Player could not afford it
      MyChunks.removeOwnedChunk(world, x, z);
      return;
    }

    // Increment the ChunkCounter of the Player
    MyChunks.chunkCounter.put(ownedChunk.owner, owned + 1);

    markCorners(chunk);
    MyChunks.save();
  }
  /**
   * Display to the Player all of the Chunks that they own
   *
   * @param player The Player requesting the list
   */
  public static void list(Player player) {
    // Cancel if the Player does not have permission to use the command
    if (!MyChunks.hasPermission(player, "own")) {
      player.sendMessage(permissionMsg);
      return;
    }

    String name = player.getName();

    // Retrieve the ChunkCounter value to display to the Player
    int owned = 0;
    Object object = MyChunks.chunkCounter.get(name);
    if (object != null) owned = (Integer) object;
    player.sendMessage("Number of Chunks owned: " + owned);

    // Retrieve the ownLimit to display to the Player
    int ownLimit = MyChunks.getOwnLimit(player);
    if (ownLimit > -1) player.sendMessage("Total amount you may own: " + ownLimit);

    // Iterate through all OwnedChunks
    for (int i = 0; i < 100; i++)
      for (int j = 0; j < 100; j++) {
        LinkedList<OwnedChunk> chunkList = (LinkedList<OwnedChunk>) MyChunks.matrix[i][j];
        if (chunkList != null)
          for (OwnedChunk ownedChunk : chunkList)
            // Display Chunk info if it is owned by the given Player
            if (ownedChunk.owner.equals(name))
              player.sendMessage(
                  "Chunk in world="
                      + ownedChunk.world
                      + ", centered @: x="
                      + (ownedChunk.x * 16 + 8)
                      + " z="
                      + (ownedChunk.z * 16 + 8));
      }
  }