Handle falling Blocks (Sand/Gravel)

src/main/java/de/jaschastarke/minecraft/limitedcreative/ModBlockStates.java

@@ -5,6 +5,7 @@ import org.bukkit.event.Listener;
 import de.jaschastarke.bukkit.lib.CoreModule;
 import de.jaschastarke.bukkit.lib.commands.AliasHelpedCommand;
 import de.jaschastarke.bukkit.lib.modules.AdditionalBlockBreaks;
+import de.jaschastarke.bukkit.lib.modules.BlockFall;
 import de.jaschastarke.minecraft.limitedcreative.blockstate.BlockListener;
 import de.jaschastarke.minecraft.limitedcreative.blockstate.BlockStateCommand;
 import de.jaschastarke.minecraft.limitedcreative.blockstate.BlockStateConfig;
@@ -47,6 +48,7 @@ public class ModBlockStates extends CoreModule<LimitedCreative> {
         if (plugin.getModule(AdditionalBlockBreaks.class) == null) {
             plugin.addModule(new AdditionalBlockBreaks(plugin));
         }
+        addModule(new BlockFall(plugin));
         
         listeners.addListener(new BlockListener(this));
         listeners.addListener(new HangingListener(this));

src/main/java/de/jaschastarke/minecraft/limitedcreative/blockstate/BlockListener.java

@@ -8,6 +8,8 @@ import java.util.Map;
 import org.bukkit.GameMode;
 import org.bukkit.Material;
 import org.bukkit.block.Block;
+import org.bukkit.entity.EntityType;
+import org.bukkit.entity.FallingBlock;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
@@ -15,17 +17,23 @@ import org.bukkit.event.block.BlockBreakEvent;
 import org.bukkit.event.block.BlockPistonExtendEvent;
 import org.bukkit.event.block.BlockPistonRetractEvent;
 import org.bukkit.event.block.BlockPlaceEvent;
+import org.bukkit.event.entity.EntityChangeBlockEvent;
 import org.bukkit.event.entity.EntityExplodeEvent;
 import org.bukkit.metadata.FixedMetadataValue;
+import org.bukkit.metadata.MetadataValue;
 
 import de.jaschastarke.bukkit.lib.events.BlockDestroyedEvent;
+import de.jaschastarke.bukkit.lib.events.BlockMovedEvent;
 import de.jaschastarke.minecraft.limitedcreative.ModBlockStates;
 import de.jaschastarke.minecraft.limitedcreative.blockstate.DBModel.DBTransaction;
 
 public class BlockListener implements Listener {
     private ModBlockStates mod;
+    private MetadataValue blockAlreadExtended;
+    
     public BlockListener(ModBlockStates mod) {
         this.mod = mod;
+        blockAlreadExtended = new FixedMetadataValue(mod.getPlugin(), new Boolean(true));
     }
     
     @EventHandler(priority = EventPriority.HIGHEST, ignoreCancelled = true)
@@ -34,11 +42,9 @@ public class BlockListener implements Listener {
             return;
         if (mod.getModel().isRestricted(event.getBlock())) {
             if (mod.isDebug())
-                mod.getLog().debug("Breaking bad, err.. block: " + event.getBlock().getLocation().toString());
+                mod.getLog().debug("Breaking bad, err.. block: " + event.getBlock().getLocation().toString() + " was placed by creative. Drop prevented");
             
             if (event.getPlayer().getGameMode() != GameMode.CREATIVE) {
-                if (mod.isDebug())
-                    mod.getLog().debug("... was placed by creative. Drop prevented");
                 mod.getBlockSpawn().block(event.getBlock(), event.getPlayer());
                 event.setExpToDrop(0);
             }
@@ -52,14 +58,32 @@ public class BlockListener implements Listener {
             return;
         if (mod.getModel().isRestricted(event.getBlock())) {
             if (mod.isDebug())
-                mod.getLog().debug("Breaking attached block: " + event.getBlock().getLocation().toString());
+                mod.getLog().debug("Breaking attached block: " + event.getBlock().getLocation().toString() + " was placed by creative. Drop prevented");
             
-            if (mod.isDebug())
-                mod.getLog().debug("... was placed by creative. Drop prevented");
             mod.getBlockSpawn().block(event.getBlock());
         }
         mod.getModel().removeState(event.getBlock());
     }
+    
+    @EventHandler
+    public void onBlockMoved(BlockMovedEvent event) {
+        if (mod.getConfig().getIgnoredWorlds().contains(event.getBlock().getWorld().getName()))
+            return;
+        mod.getModel().moveState(event.getSource(), event.getBlock());
+    }
+    @EventHandler(priority = EventPriority.HIGHEST, ignoreCancelled = true)
+    public void onEntityChangeBlock(final EntityChangeBlockEvent event) {
+        if (event.getEntityType() == EntityType.FALLING_BLOCK) {
+            if (event.getTo() == Material.AIR) {
+                if (mod.getModel().isRestricted(event.getBlock())) {
+                    if (mod.isDebug())
+                        mod.getLog().debug("Falling block: " + event.getBlock().getLocation().toString() + " was placed by creative (drop prevented)");
+                    FallingBlock fe = (FallingBlock) event.getEntity();
+                    fe.setDropItem(false);
+                }
+            }
+        }
+    }
 
     @EventHandler(priority = EventPriority.HIGHEST, ignoreCancelled = true)
     public void onBlocksBreakByExplosion(EntityExplodeEvent event) {
@@ -69,7 +93,7 @@ public class BlockListener implements Listener {
         DBTransaction update = mod.getModel().groupUpdate();
         for (Block block : event.blockList()) {
             if (mod.isDebug())
-                mod.getLog().debug("Breaking bad, err.. block: " + block.getLocation().toString());
+                mod.getLog().debug("Breaking bad, err.. block by explosion: " + block.getLocation().toString());
             
             if (states.get(block)) {
                 if (mod.isDebug())
@@ -102,7 +126,7 @@ public class BlockListener implements Listener {
             return;
         if (event.getBlock().getMetadata("LCBS_pistonIsAlreadyExtended").size() > 0) // Fixes long known Bukkit issue
             return;
-        event.getBlock().setMetadata("LCBS_pistonIsAlreadyExtended", new FixedMetadataValue(mod.getPlugin(), new Boolean(true)));
+        event.getBlock().setMetadata("LCBS_pistonIsAlreadyExtended", blockAlreadExtended);
         
         Block source = event.getBlock().getRelative(event.getDirection());
         /*if (mod.isDebug())