Fixes #419 , among other things

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

@@ -24,12 +24,16 @@ import java.util.ArrayList;
 import java.util.Collection;
 import java.util.HashMap;
 import java.util.HashSet;
+import java.util.List;
 import java.util.Map.Entry;
 import java.util.UUID;
 
+import sun.awt.SunHints.Value;
+
 import com.intellectualcrafters.plot.PS;
 import com.intellectualcrafters.plot.database.DBFunc;
 import com.intellectualcrafters.plot.flag.Flag;
+import com.intellectualcrafters.plot.flag.FlagManager;
 import com.intellectualcrafters.plot.util.ChunkManager;
 import com.intellectualcrafters.plot.util.MainUtil;
 
@@ -260,6 +264,18 @@ public class Plot implements Cloneable {
         MainUtil.clear(this, false, whenDone);
     }
     
+    /**
+     * This will return null if the plot hasn't been analyzed
+     * @return analysis of plot
+     */
+    public PlotAnalysis getComplexity() {
+        return PlotAnalysis.getAnalysis(this);
+    }
+    
+    public void analyze(RunnableVal<PlotAnalysis> whenDone) {
+        PlotAnalysis.analyzePlot(this, whenDone);
+    }
+    
     /**
      * Delete a plot
      * @see PS#removePlot(String, PlotId, boolean)

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

@@ -1,5 +1,12 @@
 package com.intellectualcrafters.plot.object;
 
+import java.util.List;
+
+import com.intellectualcrafters.plot.flag.Flag;
+import com.intellectualcrafters.plot.flag.FlagManager;
+import com.intellectualcrafters.plot.generator.BukkitHybridUtils;
+import com.intellectualcrafters.plot.util.TaskManager;
+
 public class PlotAnalysis {
     public double changes;
     public double faces;
@@ -7,4 +14,43 @@ public class PlotAnalysis {
     public double air;
     public double variety;
     public double complexity;
+    
+    public static double CHANGES_MODIFIER = 32;
+    public static double FACES_MODIFIER = 32;
+    public static double DATA_MODIFIER = 32;
+    public static double AIR_MODIFIER = 32;
+    public static double VARIETY_MODIFIER = 32;
+    
+    public static PlotAnalysis getAnalysis(Plot plot) {
+        Flag flag = FlagManager.getPlotFlag(plot, "analysis");
+        if (flag != null) {
+            PlotAnalysis analysis = new PlotAnalysis();
+            List<Double> values = (List<Double>) flag.getValue();
+            analysis.changes = values.get(0);
+            analysis.faces = values.get(1);
+            analysis.data = values.get(3);
+            analysis.air = values.get(4);
+            analysis.variety = values.get(5);
+            return analysis;
+        }
+        return null;
+    }
+    
+    public static void analyzePlot(Plot plot, RunnableVal<PlotAnalysis> whenDone) {
+        PlotAnalysis analysis = getAnalysis(plot);
+        if (analysis != null) {
+            whenDone.value = analysis;
+            whenDone.run();
+            return;
+        }
+        BukkitHybridUtils.manager.analyzePlot(plot, whenDone);
+    }
+    
+    /**
+     * 
+     * @param whenDone
+     */
+    public static void calcOptimalModifiers(Runnable whenDone) {
+        
+    }
 }

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

@@ -15,6 +15,7 @@ public class Rating {
     private HashMap<String, Integer> ratingMap;
     
     public Rating(int value) {
+        ratingMap = new HashMap<>();
         if (Settings.RATING_CATEGORIES != null && Settings.RATING_CATEGORIES.size() > 1) {
             for (int i = 0 ; i < Settings.RATING_CATEGORIES.size(); i++) {
                 ratingMap.put(Settings.RATING_CATEGORIES.get(i), (value % 10) - 1);