Stuff

Fixes #748
Fixes #759

src/main/java/com/intellectualcrafters/plot/PS.java

@@ -846,7 +846,7 @@ public class PS {
      */
     @Deprecated
     public void sortPlotsByHash(final Plot[] input) {
-        final List<Plot>[] bucket = new ArrayList[64];
+        final List<Plot>[] bucket = new ArrayList[32];
         for (int i = 0; i < bucket.length; i++) {
             bucket[i] = new ArrayList<Plot>();
         }
@@ -856,19 +856,19 @@ public class PS {
             maxLength = true;
             for (final Plot i : input) {
                 tmp = MathMan.getPositiveId(i.hashCode()) / placement;
-                bucket[tmp & 63].add(i);
+                bucket[tmp & 31].add(i);
                 if (maxLength && (tmp > 0)) {
                     maxLength = false;
                 }
             }
             int a = 0;
-            for (int b = 0; b < 64; b++) {
+            for (int b = 0; b < 32; b++) {
                 for (final Plot i : bucket[b]) {
                     input[a++] = i;
                 }
                 bucket[b].clear();
             }
-            placement *= 64;
+            placement *= 32;
         }
     }
     
@@ -1068,8 +1068,8 @@ public class PS {
         return strings.toArray(new String[strings.size()]);
     }
     
-    private String lastWorld;
+    private volatile String lastWorld;
-    private Map<PlotId, Plot> lastMap;
+    private volatile Map<PlotId, Plot> lastMap;
     
     /**
      * Get a map of the plots for a world
@@ -1112,12 +1112,9 @@ public class PS {
             return null;
         }
         lastWorld = world;
-        if (plots.containsKey(world)) {
+        lastMap = plots.get(world);
-            lastMap = plots.get(world);
+        if (lastMap != null) {
-            if (lastMap != null) {
+            return lastMap.get(id);
-                return lastMap.get(id);
-            }
-            return null;
         }
         return null;
     }

src/main/java/com/intellectualcrafters/plot/commands/Copy.java

@@ -67,7 +67,7 @@ public class Copy extends SubCommand {
             C.COMMAND_SYNTAX.send(plr, getUsage());
             return false;
         }
-        if (!plot1.getWorld().equals(plot2.getWorld())) {
+        if (!plot1.getWorld().isCompatible(plot2.getWorld())) {
             C.PLOTWORLD_INCOMPATIBLE.send(plr);
             return false;
         }

src/main/java/com/intellectualcrafters/plot/commands/Delete.java

@@ -34,7 +34,6 @@ import com.intellectualcrafters.plot.util.EconHandler;
 import com.intellectualcrafters.plot.util.MainUtil;
 import com.intellectualcrafters.plot.util.Permissions;
 import com.intellectualcrafters.plot.util.TaskManager;
-import com.intellectualcrafters.plot.util.UUIDHandler;
 import com.plotsquared.general.commands.CommandDeclaration;
 
 @CommandDeclaration(

src/main/java/com/intellectualcrafters/plot/commands/Move.java

@@ -67,7 +67,7 @@ public class Move extends SubCommand {
             MainUtil.sendMessage(plr, C.COMMAND_SYNTAX, "/plot copy <X;Z>");
             return false;
         }
-        if (!plot1.getWorld().equals(plot2.getWorld())) {
+        if (!plot1.getWorld().isCompatible(plot2.getWorld())) {
             C.PLOTWORLD_INCOMPATIBLE.send(plr);
             return false;
         }

src/main/java/com/intellectualcrafters/plot/commands/Owner.java

@@ -45,30 +45,32 @@ public class Owner extends SetCommand {
     @Override
     public boolean set(PlotPlayer plr, Plot plot, String value) {
         HashSet<Plot> plots = MainUtil.getConnectedPlots(plot);
-        final PlotPlayer other = UUIDHandler.getPlayer(value);
         UUID uuid = null;
-        if (other == null) {
+        String name = null;
-            if (Permissions.hasPermission(plr, "plots.admin.command.setowner")) {
+        if (value.length() == 36) {
-                if ((uuid = UUIDHandler.getUUID(value, null)) == null) {
+            try {
-                    try {
+                uuid = UUID.fromString(value);
-                        uuid = UUID.fromString(value);
+                name = MainUtil.getName(uuid);
-                    } catch (Exception e) {}
+            } catch (Exception e) {}
-                }
+        } else {
-            }
+            uuid = UUIDHandler.getUUID(value, null);
-        }
+            name = UUIDHandler.getName(uuid);
-        else {
+            name = name == null ? value : name;
-            other.getUUID();
         }
         if (uuid == null) {
-            MainUtil.sendMessage(plr, C.INVALID_PLAYER, value);
+            C.INVALID_PLAYER.send(plr, value);
             return false;
         }
-        String name = other == null ? MainUtil.getName(uuid) : other.getName();
         if (plot.isOwner(uuid)) {
             C.ALREADY_OWNER.send(plr);
             return false;
         }
-        if (other != null && !Permissions.hasPermission(plr, "plots.admin.command.setowner")) {
+        PlotPlayer other = UUIDHandler.getPlayer(uuid);
+        if (!Permissions.hasPermission(plr, "plots.admin.command.setowner")) {
+            if (other == null) {
+                C.INVALID_PLAYER_OFFLINE.send(plr, value);
+                return false;
+            }
             final int size = plots.size();
             final int currentPlots = (Settings.GLOBAL_LIMIT ? MainUtil.getPlayerPlotCount(other) : MainUtil.getPlayerPlotCount(plot.world, other)) + size;
             if (currentPlots > MainUtil.getAllowedPlots(other)) {
@@ -76,6 +78,7 @@ public class Owner extends SetCommand {
                 return false;
             }
         }
+        
         plot.setOwner(uuid);
         MainUtil.setSign(name, plot);
         MainUtil.sendMessage(plr, C.SET_OWNER);

src/main/java/com/intellectualcrafters/plot/commands/Swap.java

@@ -55,7 +55,7 @@ public class Swap extends SubCommand {
             MainUtil.sendMessage(plr, C.COMMAND_SYNTAX, "/plot copy <X;Z>");
             return false;
         }
-        if (!plot1.getWorld().equals(plot2.getWorld())) {
+        if (!plot1.getWorld().isCompatible(plot2.getWorld())) {
             C.PLOTWORLD_INCOMPATIBLE.send(plr);
             return false;
         }

src/main/java/com/intellectualcrafters/plot/commands/list.java

@@ -331,7 +331,7 @@ public class list extends SubCommand {
             }
         }
         if (sort) {
-            plots = PS.get().sortPlots(plots, SortType.DISTANCE_FROM_ORIGIN, world);
+            plots = PS.get().sortPlots(plots, SortType.CREATION_DATE_TIMESTAMP, world);
         }
         if (page < 0) {
             page = 0;

src/main/java/com/intellectualcrafters/plot/config/C.java

@@ -375,6 +375,7 @@ public enum C {
      */
     INVALID_PLAYER_WAIT("$2Player not found: $1%s$2, fetching it. Try again soon.", "Errors"),
     INVALID_PLAYER("$2Player not found: $1%s.", "Errors"),
+    INVALID_PLAYER_OFFLINE("$2The player must be online: $1%s.", "Errors"),
     // SETTINGS_PASTE_UPLOADED("$2settings.yml was uploaded to: $1%url%", "Paste"),
     // LATEST_LOG_UPLOADED("$2latest.log was uploaded to: $1%url%", "Paste"),
     DEBUG_REPORT_CREATED("$1Uploaded a full debug to: $1%url%", "Paste"),

src/main/java/com/intellectualcrafters/plot/database/SQLManager.java

@@ -1193,6 +1193,9 @@ public class SQLManager implements AbstractDB {
     }
     
     @Override
+    public void deleteSettings(final Plot plot) {
+        if (plot.settings == null) {
+            return;
         }
         addPlotTask(plot, new UniqueStatement("delete_plot_settings") {
             @Override
@@ -1301,7 +1304,6 @@ public class SQLManager implements AbstractDB {
      * @param plot
      */
     @Override
-    public void delete(final Plot plot) {
     public void delete(final Plot plot) {
         deleteSettings(plot);
         deleteDenied(plot);
@@ -1736,7 +1738,7 @@ public class SQLManager implements AbstractDB {
                     if (map == null) {
                         map = new ConcurrentHashMap<PlotId, Plot>();
                         newplots.put(plot.world, map);
-                    }
+                    }
                     map.put(plot.id, plot);
                 }
             }

src/main/java/com/intellectualcrafters/plot/flag/FlagManager.java

@@ -120,15 +120,19 @@ public class FlagManager {
         }
         return false;
     }
+    
     public static Flag getSettingFlag(final String world, final PlotSettings settings, final String id) {
         System.out.print("GETTIGN FLAG!! " + (settings.flags.size() == 0) + " | " + ((settings.flags.get(id)) == null));
         Flag flag;
         if ((settings.flags.size() == 0) || ((flag = settings.flags.get(id)) == null)) {
+            final PlotWorld plotworld = PS.get().getPlotWorld(world);
             if (plotworld == null) {
                 System.out.print("pw is nykl");
                 return null;
+            }
             if (plotworld.DEFAULT_FLAGS.size() == 0) {
                 System.out.print("no default flags");
+                return null;
             }
             System.out.print("DEFAULT_FLAGS: " + plotworld.DEFAULT_FLAGS + " | " + plotworld.DEFAULT_FLAGS.get(id));
             return plotworld.DEFAULT_FLAGS.get(id);

src/main/java/com/intellectualcrafters/plot/generator/ClassicPlotManager.java

@@ -28,9 +28,21 @@ public class ClassicPlotManager extends SquarePlotManager {
                 return true;
             }
             case "all": {
+                setAll(plotworld, plotid, blocks);
+                return true;
+            }
+            case "air": {
                 setAir(plotworld, plotid, blocks);
                 return true;
             }
+            case "main": {
+                setMain(plotworld, plotid, blocks);
+                return true;
+            }
+            case "middle": {
+                setMiddle(plotworld, plotid, blocks);
+                return true;
+            }
             case "outline": {
                 setOutline(plotworld, plotid, blocks);
                 return true;
@@ -67,6 +79,20 @@ public class ClassicPlotManager extends SquarePlotManager {
         return true;
     }
     
+    public boolean setAll(final PlotWorld plotworld, final PlotId plotid, final PlotBlock[] blocks) {
+        Plot plot = MainUtil.getPlotAbs(plotworld.worldname, plotid);
+        if (!plot.isBasePlot()) {
+            return false;
+        }
+        final ClassicPlotWorld dpw = (ClassicPlotWorld) plotworld;
+        for (RegionWrapper region : MainUtil.getRegions(plot)) {
+            Location pos1 = new Location(plot.world, region.minX, 1, region.minZ);
+            Location pos2 = new Location(plot.world, region.maxX, 255, region.maxZ);
+            MainUtil.setCuboidAsync(plotworld.worldname, pos1, pos2, blocks);
+        }
+        return true;
+    }
+
     public boolean setAir(final PlotWorld plotworld, final PlotId plotid, final PlotBlock[] blocks) {
         Plot plot = MainUtil.getPlotAbs(plotworld.worldname, plotid);
         if (!plot.isBasePlot()) {
@@ -81,6 +107,31 @@ public class ClassicPlotManager extends SquarePlotManager {
         return true;
     }
     
+    public boolean setMain(final PlotWorld plotworld, final PlotId plotid, final PlotBlock[] blocks) {
+        Plot plot = MainUtil.getPlotAbs(plotworld.worldname, plotid);
+        if (!plot.isBasePlot()) {
+            return false;
+        }
+        final ClassicPlotWorld dpw = (ClassicPlotWorld) plotworld;
+        for (RegionWrapper region : MainUtil.getRegions(plot)) {
+            Location pos1 = new Location(plot.world, region.minX, 1, region.minZ);
+            Location pos2 = new Location(plot.world, region.maxX, dpw.PLOT_HEIGHT - 1, region.maxZ);
+            MainUtil.setCuboidAsync(plotworld.worldname, pos1, pos2, blocks);
+        }
+        return true;
+    }
+    
+    public boolean setMiddle(final PlotWorld plotworld, final PlotId plotid, final PlotBlock[] blocks) {
+        Plot plot = MainUtil.getPlotAbs(plotworld.worldname, plotid);
+        if (!plot.isBasePlot()) {
+            return false;
+        }
+        Location[] corners = plot.getCorners();
+        final ClassicPlotWorld dpw = (ClassicPlotWorld) plotworld;
+        SetBlockQueue.setBlock(plotworld.worldname, (corners[0].getX() + corners[1].getX()) / 2, dpw.PLOT_HEIGHT, (corners[0].getZ() + corners[1].getZ()) / 2, blocks[0]);
+        return true;
+    }
+
     public boolean setOutline(final PlotWorld plotworld, final PlotId plotid, final PlotBlock[] blocks) {
         final ClassicPlotWorld dpw = (ClassicPlotWorld) plotworld;
         if (dpw.ROAD_WIDTH == 0) {
@@ -368,7 +419,7 @@ public class ClassicPlotManager extends SquarePlotManager {
     
     @Override
     public String[] getPlotComponents(final PlotWorld plotworld, final PlotId plotid) {
-        return new String[] { "floor", "wall", "border", "all", "outline" };
+        return new String[] { "main", "floor", "air", "all", "border", "wall", "outline", "middle" };
     }
     
     /**

src/main/java/com/intellectualcrafters/plot/generator/HybridPlotWorld.java

@@ -28,6 +28,7 @@ import com.intellectualcrafters.plot.PS;
 import com.intellectualcrafters.plot.config.C;
 import com.intellectualcrafters.plot.object.PlotBlock;
 import com.intellectualcrafters.plot.object.PlotLoc;
+import com.intellectualcrafters.plot.object.PlotWorld;
 import com.intellectualcrafters.plot.object.schematic.PlotItem;
 import com.intellectualcrafters.plot.util.SchematicHandler;
 import com.intellectualcrafters.plot.util.SchematicHandler.Dimension;
@@ -72,6 +73,14 @@ public class HybridPlotWorld extends ClassicPlotWorld {
         }
     }
     
+    @Override
+    public boolean isCompatible(PlotWorld plotworld) {
+        if (plotworld == null || !(plotworld instanceof SquarePlotWorld)) {
+            return false;
+        }
+        return ((ClassicPlotWorld) plotworld).PLOT_WIDTH == PLOT_WIDTH;
+    }
+
     public void setupSchematics() {
         G_SCH_DATA = new HashMap<>();
         G_SCH = new HashMap<>();

src/main/java/com/intellectualcrafters/plot/object/Location.java

@@ -85,6 +85,10 @@ public class Location implements Cloneable, Comparable<Location> {
     public Plot getPlot() {
         return MainUtil.getPlot(this);
     }
+    
+    public ChunkLoc getChunkLoc() {
+        return new ChunkLoc(x >> 4, z >> 4);
+    }
 
     public void setWorld(final String world) {
         this.world = world;

src/main/java/com/intellectualcrafters/plot/object/Plot.java

@@ -416,7 +416,6 @@ public class Plot {
      * The cached origin plot<br>
      *  - The origin plot is used for plot grouping and relational data
      */
-    private Plot origin;
     private Plot origin;
     
     /**
@@ -721,7 +720,7 @@ public class Plot {
      * Get the average rating of the plot. This is the value displayed in /plot info
      * @return average rating as double
      */
-    public double getAverageRating() {
+    public double getAverageRating() {
         double sum = 0;
         final Collection<Rating> ratings = getRatings().values();
         for (final Rating rating : ratings) {

src/main/java/com/intellectualcrafters/plot/object/PlotHandler.java

@@ -237,9 +237,9 @@ public class PlotHandler {
             return false;
         }
         for (Plot current : MainUtil.getConnectedPlots(plot)) {
-            current.settings = null;
             PS.get().removePlot(current.world, current.id, true);
             DBFunc.delete(current);
+            current.settings = null;
         }
         return true;
     }

src/main/java/com/intellectualcrafters/plot/object/PlotWorld.java

@@ -126,6 +126,10 @@ public abstract class PlotWorld {
         return true;
     }
     
+    public boolean isCompatible(PlotWorld plotworld) {
+        return equals(plotworld);
+    }
+
     /**
      * When a world is created, the following method will be called for each
      *

src/main/java/com/intellectualcrafters/plot/util/MainUtil.java

@@ -20,6 +20,7 @@
 ////////////////////////////////////////////////////////////////////////////////////////////////////
 package com.intellectualcrafters.plot.util;
 
+import java.nio.charset.StandardCharsets;
 import java.util.ArrayDeque;
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -36,6 +37,7 @@ import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.atomic.AtomicInteger;
 import java.util.regex.Matcher;
 
+import com.google.common.collect.BiMap;
 import com.intellectualcrafters.plot.PS;
 import com.intellectualcrafters.plot.config.C;
 import com.intellectualcrafters.plot.config.Settings;
@@ -56,6 +58,7 @@ import com.intellectualcrafters.plot.object.PlotWorld;
 import com.intellectualcrafters.plot.object.PseudoRandom;
 import com.intellectualcrafters.plot.object.RegionWrapper;
 import com.intellectualcrafters.plot.object.RunnableVal;
+import com.intellectualcrafters.plot.object.StringWrapper;
 import com.plotsquared.listener.PlotListener;
 
 /**
@@ -1427,7 +1430,9 @@ public class MainUtil {
         }
         final HashSet<RegionWrapper> regions = getRegions(plot);
         final HashSet<Plot> plots = getConnectedPlots(plot);
-        final ArrayDeque<Plot> queue = new ArrayDeque<>(plots);
+        final ArrayDeque<Plot> queue = new ArrayDeque<>(plots);
+        if (isDelete) {
+            removeSign(plot);
         }
         MainUtil.unlinkPlot(plot, true, !isDelete);
         final PlotManager manager = PS.get().getPlotManager(plot.world);
@@ -1724,6 +1729,12 @@ public class MainUtil {
         }
         return true;
     }
+    
+    /**
+     * Check if a plot can be claimed
+     * @param player
+     * @param plot
+     * @return
      */
     public static boolean canClaim(final PlotPlayer player, final Plot plot) {
         if (plot == null) {
@@ -1736,7 +1747,63 @@ public class MainUtil {
                     return false;
                 }
             }
-        }
+        }
+        return guessOwner(plot) == null;
+    }
+    
+    /**
+     * Try to guess who the plot owner is:
+     *  - Checks cache
+     *  - Checks sign text
+     * @param plot
+     * @return
+     */
+    public static UUID guessOwner(Plot plot) {
+        if (plot.owner != null) {
+            return plot.owner;
+        }
+        PlotWorld pw = plot.getWorld();
+        if (!pw.ALLOW_SIGNS) {
+            return null;
+        }
+        Location loc = plot.getManager().getSignLoc(pw, plot);
+        ChunkManager.manager.loadChunk(loc.getWorld(), loc.getChunkLoc(), false);
+        String[] lines = BlockManager.manager.getSign(loc);
+        if (lines == null) {
+            return null;
+        }
+        loop:
+        for (int i = 4; i > 0; i--) {
+            String caption = C.valueOf("OWNER_SIGN_LINE_" + i).s();
+            int index = caption.indexOf("%plr%");
+            if (index == -1) {
+                continue;
+            }
+            String name = lines[i - 1].substring(index);
+            if (name.length() == 0) {
+                return null;
+            }
+            UUID owner = UUIDHandler.getUUID(name, null);
+            if (owner != null) {
+                plot.owner = owner;
+                break;
+            }
+            if (lines[i - 1].length() == 15) {
+                BiMap<StringWrapper, UUID> map = UUIDHandler.getUuidMap();
+                for (Entry<StringWrapper, UUID> entry : map.entrySet()) {
+                    String key = entry.getKey().value;
+                    if (key.length() > name.length() && key.startsWith(name)) {
+                        plot.owner = entry.getValue();
+                        break loop;
+                    }
+                }
+            }
+            plot.owner = UUID.nameUUIDFromBytes(("OfflinePlayer:" + name).getBytes(StandardCharsets.UTF_8));
+            break;
+        }
+        if (plot.owner != null) {
+            plot.create();
+        }
         return plot.owner;
     }
     

src/main/java/com/intellectualcrafters/plot/util/UUIDHandlerImplementation.java

@@ -132,17 +132,21 @@ public abstract class UUIDHandlerImplementation {
         }
         try {
             final UUID offline = uuidMap.put(name, uuid);
-            if ((offline != null) && !offline.equals(uuid)) {
+            if (offline != null) {
-                final Set<Plot> plots = PS.get().getPlots(offline);
+                if (!offline.equals(uuid)) {
-                if (plots.size() > 0) {
+                    final Set<Plot> plots = PS.get().getPlots(offline);
-                    for (final Plot plot : PS.get().getPlots(offline)) {
+                    if (plots.size() > 0) {
-                        plot.owner = uuid;
+                        for (final Plot plot : PS.get().getPlots(offline)) {
+                            plot.owner = uuid;
+                        }
+                        DBFunc.replaceUUID(offline, uuid);
+                        PS.debug("&cDetected invalid UUID stored for (1): " + name.value);
+                        PS.debug("&7 - Did you recently switch to online-mode storage without running `uuidconvert`?");
+                        PS.debug("&6PlotSquared will update incorrect entries when the user logs in, or you can reconstruct your database.");
                     }
-                    DBFunc.replaceUUID(offline, uuid);
+                    return true;
-                    PS.debug("&cDetected invalid UUID stored for (1): " + name.value);
-                    PS.debug("&7 - Did you recently switch to online-mode storage without running `uuidconvert`?");
-                    PS.debug("&6PlotSquared will update incorrect entries when the user logs in, or you can reconstruct your database.");
                 }
+                return false;
             }
         } catch (final Exception e) {
             final BiMap<UUID, StringWrapper> inverse = uuidMap.inverse();

src/main/java/com/intellectualcrafters/plot/uuid/NameFetcher.java

@@ -0,0 +1,44 @@
+package com.intellectualcrafters.plot.uuid;
+
+import java.io.InputStreamReader;
+import java.net.HttpURLConnection;
+import java.net.URL;
+import java.util.ArrayDeque;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.UUID;
+import java.util.concurrent.Callable;
+
+import org.json.simple.JSONObject;
+import org.json.simple.parser.JSONParser;
+
+public class NameFetcher implements Callable<Map<UUID, String>> {
+    private static final String PROFILE_URL = "https://sessionserver.mojang.com/session/minecraft/profile/";
+    private final JSONParser jsonParser = new JSONParser();
+    private final ArrayDeque<UUID> uuids;
+    
+    public NameFetcher(List<UUID> uuids) {
+        this.uuids = new ArrayDeque<>(uuids);
+    }
+    
+    @Override
+    public Map<UUID, String> call() throws Exception {
+        Map<UUID, String> uuidStringMap = new HashMap<UUID, String>();
+        for (UUID uuid : uuids) {
+            HttpURLConnection connection = (HttpURLConnection) new URL(PROFILE_URL + uuid.toString().replace("-", "")).openConnection();
+            JSONObject response = (JSONObject) jsonParser.parse(new InputStreamReader(connection.getInputStream()));
+            String name = (String) response.get("name");
+            if (name == null) {
+                continue;
+            }
+            String cause = (String) response.get("cause");
+            String errorMessage = (String) response.get("errorMessage");
+            if (cause != null && cause.length() > 0) {
+                throw new IllegalStateException(errorMessage);
+            }
+            uuidStringMap.put(uuid, name);
+        }
+        return uuidStringMap;
+    }
+}

src/main/java/com/intellectualcrafters/plot/uuid/UUIDFetcher.java

@@ -0,0 +1,102 @@
+package com.intellectualcrafters.plot.uuid;
+
+import java.io.InputStreamReader;
+import java.io.OutputStream;
+import java.net.HttpURLConnection;
+import java.net.URL;
+import java.nio.ByteBuffer;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.UUID;
+import java.util.concurrent.Callable;
+
+import org.json.simple.JSONArray;
+import org.json.simple.JSONObject;
+import org.json.simple.parser.JSONParser;
+
+import com.google.common.collect.ImmutableList;
+
+public class UUIDFetcher implements Callable<Map<String, UUID>> {
+    private static final double PROFILES_PER_REQUEST = 100;
+    private static final String PROFILE_URL = "https://api.mojang.com/profiles/minecraft";
+    private final JSONParser jsonParser = new JSONParser();
+    private final List<String> names;
+    private final boolean rateLimiting;
+    
+    public UUIDFetcher(List<String> names, boolean rateLimiting) {
+        this.names = ImmutableList.copyOf(names);
+        this.rateLimiting = rateLimiting;
+    }
+    
+    public UUIDFetcher(List<String> names) {
+        this(names, true);
+    }
+    
+    @Override
+    public Map<String, UUID> call() throws Exception {
+        Map<String, UUID> uuidMap = new HashMap<String, UUID>();
+        int requests = (int) Math.ceil(names.size() / PROFILES_PER_REQUEST);
+        for (int i = 0; i < requests; i++) {
+            HttpURLConnection connection = createConnection();
+            String body = JSONArray.toJSONString(names.subList(i * 100, Math.min((i + 1) * 100, names.size())));
+            writeBody(connection, body);
+            JSONArray array = (JSONArray) jsonParser.parse(new InputStreamReader(connection.getInputStream()));
+            for (Object profile : array) {
+                JSONObject jsonProfile = (JSONObject) profile;
+                String id = (String) jsonProfile.get("id");
+                String name = (String) jsonProfile.get("name");
+                UUID uuid = UUIDFetcher.getUUID(id);
+                uuidMap.put(name, uuid);
+            }
+            if (rateLimiting && i != requests - 1) {
+                Thread.sleep(100L);
+            }
+        }
+        return uuidMap;
+    }
+    
+    private static void writeBody(HttpURLConnection connection, String body) throws Exception {
+        OutputStream stream = connection.getOutputStream();
+        stream.write(body.getBytes());
+        stream.flush();
+        stream.close();
+    }
+    
+    private static HttpURLConnection createConnection() throws Exception {
+        URL url = new URL(PROFILE_URL);
+        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
+        connection.setRequestMethod("POST");
+        connection.setRequestProperty("Content-Type", "application/json");
+        connection.setUseCaches(false);
+        connection.setDoInput(true);
+        connection.setDoOutput(true);
+        return connection;
+    }
+    
+    private static UUID getUUID(String id) {
+        return UUID.fromString(id.substring(0, 8) + "-" + id.substring(8, 12) + "-" + id.substring(12, 16) + "-" + id.substring(16, 20) + "-" + id.substring(20, 32));
+    }
+    
+    public static byte[] toBytes(UUID uuid) {
+        ByteBuffer byteBuffer = ByteBuffer.wrap(new byte[16]);
+        byteBuffer.putLong(uuid.getMostSignificantBits());
+        byteBuffer.putLong(uuid.getLeastSignificantBits());
+        return byteBuffer.array();
+    }
+    
+    public static UUID fromBytes(byte[] array) {
+        if (array.length != 16) {
+            throw new IllegalArgumentException("Illegal byte array length: " + array.length);
+        }
+        ByteBuffer byteBuffer = ByteBuffer.wrap(array);
+        long mostSignificant = byteBuffer.getLong();
+        long leastSignificant = byteBuffer.getLong();
+        return new UUID(mostSignificant, leastSignificant);
+    }
+    
+    public static UUID getUUIDOf(String name) throws Exception {
+        return new UUIDFetcher(Arrays.asList(name)).call().get(name);
+    }
+}

src/main/java/com/plotsquared/bukkit/util/BukkitChunkManager.java

@@ -1012,10 +1012,10 @@ public class BukkitChunkManager extends ChunkManager {
     }
     
     private void count(final int[] count, final Entity entity) {
-        count[0]++;
         switch (entity.getType()) {
             case PLAYER: {
                 // not valid
+                return;
             }
             case SMALL_FIREBALL:
             case FIREBALL:
@@ -1118,6 +1118,7 @@ public class BukkitChunkManager extends ChunkManager {
                 }
             }
         }
+        count[0]++;
     }
     
     @Override

src/main/java/com/plotsquared/bukkit/uuid/SQLUUIDHandler.java

@@ -1,22 +1,23 @@
 package com.plotsquared.bukkit.uuid;
 
-import java.io.BufferedReader;
-import java.io.IOException;
 import java.io.InputStreamReader;
+import java.io.OutputStream;
 import java.net.HttpURLConnection;
 import java.net.URL;
 import java.sql.Connection;
 import java.sql.PreparedStatement;
 import java.sql.ResultSet;
 import java.sql.SQLException;
-import java.util.ArrayList;
+import java.util.ArrayDeque;
+import java.util.Arrays;
 import java.util.HashMap;
-import java.util.Iterator;
-import java.util.List;
 import java.util.UUID;
 
+import org.json.simple.JSONArray;
+import org.json.simple.JSONObject;
+import org.json.simple.parser.JSONParser;
+
 import com.google.common.collect.HashBiMap;
-import com.intellectualcrafters.json.JSONObject;
 import com.intellectualcrafters.plot.PS;
 import com.intellectualcrafters.plot.config.C;
 import com.intellectualcrafters.plot.config.Settings;
@@ -31,6 +32,11 @@ import com.intellectualcrafters.plot.uuid.UUIDWrapper;
 
 public class SQLUUIDHandler extends UUIDHandlerImplementation {
     
+    final String PROFILE_URL = "https://sessionserver.mojang.com/session/minecraft/profile/";
+    final int MAX_REQUESTS = 500;
+    final int INTERVAL = 12000;
+    final JSONParser jsonParser = new JSONParser();
+
     public SQLUUIDHandler(final UUIDWrapper wrapper) {
         super(wrapper);
         _sqLite = new SQLite("./plugins/PlotSquared/usercache.db");
@@ -89,7 +95,7 @@ public class SQLUUIDHandler extends UUIDHandlerImplementation {
                     add(new StringWrapper("*"), DBFunc.everyone);
                     
                     // This should be called as long as there are some unknown plots
-                    final List<UUID> toFetch = new ArrayList<>();
+                    final ArrayDeque<UUID> toFetch = new ArrayDeque<>();
                     for (final UUID u : UUIDHandler.getAllUUIDS()) {
                         if (!uuidExists(u)) {
                             toFetch.add(u);
@@ -113,49 +119,80 @@ public class SQLUUIDHandler extends UUIDHandlerImplementation {
                                 }
                                 return;
                             }
-                            if (!Settings.OFFLINE_MODE) {
+                            
-                                PS.debug(C.PREFIX.s() + "&cWill fetch &6" + toFetch.size() + "&c from mojang!");
+                            TaskManager.runTaskAsync(new Runnable() {
-                                int i = 0;
+                                @Override
-                                final Iterator<UUID> iterator = toFetch.iterator();
+                                public void run() {
-                                while (iterator.hasNext()) {
-                                    final StringBuilder url = new StringBuilder("http://api.intellectualsites.com/uuid/?user=");
-                                    final List<UUID> currentIteration = new ArrayList<>();
-                                    while ((i++ <= 15) && iterator.hasNext()) {
-                                        final UUID _uuid = iterator.next();
-                                        url.append(_uuid.toString());
-                                        if (iterator.hasNext()) {
-                                            url.append(",");
-                                        }
-                                        currentIteration.add(_uuid);
-                                    }
-                                    PS.debug(C.PREFIX.s() + "&cWill attempt to fetch &6" + currentIteration.size() + "&c uuids from: &6" + url.toString());
                                     try {
-                                        final HttpURLConnection connection = (HttpURLConnection) new URL(url.toString()).openConnection();
+                                        if (toFetch.size() == 0) {
-                                        connection.setRequestProperty("User-Agent", "Mozilla/5.0");
+                                            if (whenDone != null) {
-                                        final BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
+                                                whenDone.run();
-                                        String line;
-                                        final StringBuilder rawJSON = new StringBuilder();
-                                        while ((line = reader.readLine()) != null) {
-                                            rawJSON.append(line);
-                                        }
-                                        reader.close();
-                                        final JSONObject object = new JSONObject(rawJSON.toString());
-                                        for (final UUID _u : currentIteration) {
-                                            final Object o = object.getJSONObject(_u.toString().replace("-", "")).get("username");
-                                            if ((o == null) || !(o instanceof String)) {
-                                                continue;
                                             }
-                                            add(new StringWrapper(o.toString()), _u);
+                                            return;
                                         }
-                                    } catch (final Exception e) {
+                                        for (int i = 0; i < Math.min(500, toFetch.size()); i++) {
+                                            UUID uuid = toFetch.pop();
+                                            HttpURLConnection connection = (HttpURLConnection) new URL(PROFILE_URL + uuid.toString().replace("-", "")).openConnection();
+                                            InputStreamReader reader = new InputStreamReader(connection.getInputStream());
+                                            JSONObject response = (JSONObject) jsonParser.parse(reader);
+                                            String name = (String) response.get("name");
+                                            if (name != null) {
+                                                add(new StringWrapper(name), uuid);
+                                            }
+                                        }
+                                    } catch (Exception e) {
                                         e.printStackTrace();
                                     }
-                                    i = 0;
+                                    TaskManager.runTaskLaterAsync(this, INTERVAL);
                                 }
-                            }
+                            });
-                            if (whenDone != null) {
+                            /*
-                                whenDone.run();
+                             * This API is no longer accessible.
-                            }
+                             */
+                            //                            if (!Settings.OFFLINE_MODE) {
+                            //                                PS.debug(C.PREFIX.s() + "&cWill fetch &6" + toFetch.size() + "&c from mojang!");
+                            //
+                            //                                int i = 0;
+                            //                                final Iterator<UUID> iterator = toFetch.iterator();
+                            //                                while (iterator.hasNext()) {
+                            //                                    final StringBuilder url = new StringBuilder("http://api.intellectualsites.com/uuid/?user=");
+                            //                                    final List<UUID> currentIteration = new ArrayList<>();
+                            //                                    while ((i++ <= 15) && iterator.hasNext()) {
+                            //                                        final UUID _uuid = iterator.next();
+                            //                                        url.append(_uuid.toString());
+                            //                                        if (iterator.hasNext()) {
+                            //                                            url.append(",");
+                            //                                        }
+                            //                                        currentIteration.add(_uuid);
+                            //                                    }
+                            //                                    PS.debug(C.PREFIX.s() + "&cWill attempt to fetch &6" + currentIteration.size() + "&c uuids from: &6" + url.toString());
+                            //                                    try {
+                            //                                        final HttpURLConnection connection = (HttpURLConnection) new URL(url.toString()).openConnection();
+                            //                                        connection.setRequestProperty("User-Agent", "Mozilla/5.0");
+                            //                                        final BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
+                            //                                        String line;
+                            //                                        final StringBuilder rawJSON = new StringBuilder();
+                            //                                        while ((line = reader.readLine()) != null) {
+                            //                                            rawJSON.append(line);
+                            //                                        }
+                            //                                        reader.close();
+                            //                                        final JSONObject object = new JSONObject(rawJSON.toString());
+                            //                                        for (final UUID _u : currentIteration) {
+                            //                                            final Object o = object.getJSONObject(_u.toString().replace("-", "")).get("username");
+                            //                                            if ((o == null) || !(o instanceof String)) {
+                            //                                                continue;
+                            //                                            }
+                            //                                            add(new StringWrapper(o.toString()), _u);
+                            //                                        }
+                            //                                    } catch (final Exception e) {
+                            //                                        e.printStackTrace();
+                            //                                    }
+                            //                                    i = 0;
+                            //                                }
+                            //                            }
+                            //                            if (whenDone != null) {
+                            //                                whenDone.run();
+                            //                            }
                         }
                     });
                 } catch (final SQLException e) {
@@ -169,24 +206,31 @@ public class SQLUUIDHandler extends UUIDHandlerImplementation {
     @Override
     public void fetchUUID(final String name, final RunnableVal<UUID> ifFetch) {
         PS.debug(C.PREFIX.s() + "UUID for '" + name + "' was null. We'll cache this from the mojang servers!");
+        if (ifFetch == null) {
+            return;
+        }
         TaskManager.runTaskAsync(new Runnable() {
             @Override
             public void run() {
-                final String url = "http://api.intellectualsites.com/uuid/?user=" + name;
                 try {
-                    final HttpURLConnection connection = (HttpURLConnection) new URL(url).openConnection();
+                    URL url = new URL(PROFILE_URL);
-                    connection.setRequestProperty("User-Agent", "Mozilla/5.0");
+                    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
-                    final BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
+                    connection.setRequestMethod("POST");
-                    String line;
+                    connection.setRequestProperty("Content-Type", "application/json");
-                    final StringBuilder rawJSON = new StringBuilder();
+                    connection.setUseCaches(false);
-                    while ((line = reader.readLine()) != null) {
+                    connection.setDoInput(true);
-                        rawJSON.append(line);
+                    connection.setDoOutput(true);
-                    }
+                    String body = JSONArray.toJSONString(Arrays.asList(name));
-                    reader.close();
+                    OutputStream stream = connection.getOutputStream();
-                    final JSONObject object = new JSONObject(rawJSON.toString());
+                    stream.write(body.getBytes());
-                    ifFetch.value = UUID.fromString(object.getJSONObject(name).getString("dashed"));
+                    stream.flush();
-                    add(new StringWrapper(name), ifFetch.value);
+                    stream.close();
-                } catch (final IOException e) {
+                    JSONArray array = (JSONArray) jsonParser.parse(new InputStreamReader(connection.getInputStream()));
+                    JSONObject jsonProfile = (JSONObject) array.get(0);
+                    String id = (String) jsonProfile.get("id");
+                    String name = (String) jsonProfile.get("name");
+                    ifFetch.value = UUID.fromString(id.substring(0, 8) + "-" + id.substring(8, 12) + "-" + id.substring(12, 16) + "-" + id.substring(16, 20) + "-" + id.substring(20, 32));
+                } catch (Exception e) {
                     e.printStackTrace();
                 }
                 TaskManager.runTask(ifFetch);
@@ -212,7 +256,7 @@ public class SQLUUIDHandler extends UUIDHandlerImplementation {
                 @Override
                 public void run() {
                     try {
-                        final PreparedStatement statement = getConnection().prepareStatement("INSERT INTO usercache (`uuid`, `username`) VALUES(?, ?)");
+                        final PreparedStatement statement = getConnection().prepareStatement("REPLACE INTO usercache (`uuid`, `username`) VALUES(?, ?)");
                         statement.setString(1, uuid.toString());
                         statement.setString(2, name.toString());
                         statement.execute();
@@ -228,38 +272,8 @@ public class SQLUUIDHandler extends UUIDHandlerImplementation {
     }
     
     /**
-     * This isn't used as any UUID that is unknown is bulk cached (in lots of 16)
+     * This is useful for name changes
-     * @param uuid
-     * @return
      */
-    @Deprecated
-    public String getName__unused__(final UUID uuid) {
-        PS.debug(C.PREFIX.s() + "Name for '" + uuid + "' was null. We'll cache this from the mojang servers!");
-        TaskManager.runTaskAsync(new Runnable() {
-            @Override
-            public void run() {
-                final String url = "http://api.intellectualsites.com/uuid/?user=" + uuid;
-                try {
-                    final HttpURLConnection connection = (HttpURLConnection) new URL(url).openConnection();
-                    connection.setRequestProperty("User-Agent", "Mozilla/5.0");
-                    final BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
-                    String line;
-                    final StringBuilder rawJSON = new StringBuilder();
-                    while ((line = reader.readLine()) != null) {
-                        rawJSON.append(line);
-                    }
-                    reader.close();
-                    final JSONObject object = new JSONObject(rawJSON.toString());
-                    final String username = object.getJSONObject(uuid.toString().replace("-", "")).getString("username");
-                    add(new StringWrapper(username), uuid);
-                } catch (final IOException e) {
-                    e.printStackTrace();
-                }
-            }
-        });
-        return null;
-    }
-    
     @Override
     public void rename(final UUID uuid, final StringWrapper name) {
         super.rename(uuid, name);