Ignore Blockbreak events if the block clearly wasn't broken by a

player manually

src/cc/co/evenprime/bukkit/nocheat/checks/blockbreak/BlockBreakData.java

@@ -30,6 +30,7 @@ public class BlockBreakData implements DataItem {
 
     public double                 reachDistance;
     public boolean                armswung                   = true;
+    public final SimpleLocation   lastDamagedBlock           = new SimpleLocation();
 
     @Override
     public void clearCriticalData() {

src/cc/co/evenprime/bukkit/nocheat/checks/blockbreak/BlockBreakEventManager.java

@@ -57,6 +57,14 @@ public class BlockBreakEventManager extends EventManagerImpl {
 
         data.brokenBlockLocation.set(event.getBlock());
 
+        // Only if the block got damaged before, do the check(s)
+        if(!data.brokenBlockLocation.equals(data.lastDamagedBlock)) {
+            // Something caused a blockbreak event that's not from the player
+            // Don't check it at all
+            data.lastDamagedBlock.reset();
+            return;
+        }
+
         for(BlockBreakCheck check : checks) {
             // If it should be executed, do it
             if(!cancelled && check.isEnabled(cc) && !player.hasPermission(check.getPermission())) {
@@ -71,13 +79,20 @@ public class BlockBreakEventManager extends EventManagerImpl {
     @Override
     protected void handleBlockDamageEvent(final BlockDamageEvent event, final Priority priority) {
 
-        // Only interested in insta-break events here
+        NoCheatPlayer player = plugin.getPlayer(event.getPlayer());
-        if(!event.getInstaBreak())
+        BlockBreakData data = BlockBreakCheck.getData(player.getDataStore());
-            return;
+
+        // Only interested in insta-break events here
+        if(event.getInstaBreak()) {
+            // Remember this location. We ignore block breaks in the block-break
+            // direction check that are insta-breaks
+            data.instaBrokenBlockLocation.set(event.getBlock());
+        }
+
+        // Remember this location. Only blockbreakevents for this specific block
+        // will be handled at all
+        data.lastDamagedBlock.set(event.getBlock());
 
-        // Remember this location. We ignore block breaks in the block-break
-        // direction check that are insta-breaks
-        BlockBreakCheck.getData(plugin.getPlayer(event.getPlayer()).getDataStore()).instaBrokenBlockLocation.set(event.getBlock());
     }
 
     @Override

src/cc/co/evenprime/bukkit/nocheat/data/SimpleLocation.java

@@ -23,6 +23,15 @@ public final class SimpleLocation {
         return block.getX() == x && block.getY() == y && block.getZ() == z;
     }
 
+    public final boolean equals(SimpleLocation simpleLocation) {
+        if(!isSet() && !simpleLocation.isSet())
+            return true;
+        else if(!isSet() || !simpleLocation.isSet())
+            return false;
+
+        return simpleLocation.x == x && simpleLocation.y == y && simpleLocation.z == z;
+    }
+
     public final void set(Block block) {
         x = block.getX();
         y = block.getY();