Added optional WorldEdit processing to reduce likelyhood of server crashes

PlotSquared/src/main/java/com/intellectualcrafters/plot/listeners/worldedit/ProcessedWEExtent.java

@@ -0,0 +1,105 @@
+package com.intellectualcrafters.plot.listeners.worldedit;
+
+import java.util.HashSet;
+
+import com.intellectualcrafters.plot.config.Settings;
+import com.intellectualcrafters.plot.object.RegionWrapper;
+import com.sk89q.worldedit.Vector;
+import com.sk89q.worldedit.Vector2D;
+import com.sk89q.worldedit.WorldEditException;
+import com.sk89q.worldedit.blocks.BaseBlock;
+import com.sk89q.worldedit.entity.BaseEntity;
+import com.sk89q.worldedit.entity.Entity;
+import com.sk89q.worldedit.extent.AbstractDelegateExtent;
+import com.sk89q.worldedit.extent.Extent;
+import com.sk89q.worldedit.util.Location;
+import com.sk89q.worldedit.world.biome.BaseBiome;
+
+public class ProcessedWEExtent extends AbstractDelegateExtent {
+    private final HashSet<RegionWrapper> mask;
+    int BScount = 0;
+    int Ecount = 0;
+    boolean BSblocked = false;
+    boolean Eblocked = false;
+ 
+    public ProcessedWEExtent(HashSet<RegionWrapper> mask, Extent extent) {
+        super(extent);
+        this.mask = mask;
+    }
+    
+    @Override
+    public boolean setBlock(Vector location, BaseBlock block) throws WorldEditException {
+        switch (block.getType()) {
+            case 54:
+            case 130:
+            case 142:
+            case 27:
+            case 137:
+            case 52:
+            case 154:
+            case 84:
+            case 25:
+            case 144:
+            case 138:
+            case 176:
+            case 177:
+            case 63:
+            case 68:
+            case 323:
+            case 117:
+            case 116:
+            case 28:
+            case 66:
+            case 157:
+            case 61:
+            case 62:
+            case 140:
+            case 146:
+            case 149:
+            case 150:
+            case 158:
+            case 23:
+            case 123:
+            case 124:
+            case 29:
+            case 33:
+            case 151:
+            case 178: {
+                if (BSblocked) {
+                    return false;
+                }
+                BScount++;
+                if (BScount > Settings.CHUNK_PROCESSOR_MAX_BLOCKSTATES) {
+                    BSblocked = true;
+                }
+            }
+        }
+        if (WEListener.maskContains(mask, location.getBlockX(), location.getBlockZ())) {
+            return super.setBlock(location, block);
+        }
+        return false;
+    }
+    
+    @Override
+    public Entity createEntity(Location location, BaseEntity entity) {
+        if (Eblocked) {
+            return null;
+        }
+        Ecount++;
+        if (Ecount > Settings.CHUNK_PROCESSOR_MAX_ENTITIES) {
+            Eblocked = true;
+        }
+        if (WEListener.maskContains(mask, location.getBlockX(), location.getBlockZ())) {
+            return super.createEntity(location, entity);
+        }
+        return null;
+    }
+    
+    @Override
+    public boolean setBiome(Vector2D position, BaseBiome biome) {
+        if (WEListener.maskContains(mask, position.getBlockX(), position.getBlockZ())) {
+            return super.setBiome(position, biome);
+        }
+        return false;
+    }
+}

PlotSquared/src/main/java/com/intellectualcrafters/plot/listeners/worldedit/WEListener.java

@@ -72,7 +72,12 @@ public class WEListener implements Listener {
                     return;
                 }
             } catch (IncompleteRegionException e) {}
-            event.setExtent(new WEExtent(mask, event.getExtent()));
+            if (Settings.CHUNK_PROCESSOR) {
+                event.setExtent(new ProcessedWEExtent(mask, event.getExtent()));
+            }
+            else {
+                event.setExtent(new WEExtent(mask, event.getExtent()));
+            }
         }
     }