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path: root/nms-patches/BlockLever.patch
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--- a/net/minecraft/server/BlockLever.java
+++ b/net/minecraft/server/BlockLever.java
@@ -2,6 +2,8 @@
 
 import java.util.Iterator;
 
+import org.bukkit.event.block.BlockRedstoneEvent; // CraftBukkit
+
 public class BlockLever extends Block {
 
     public static final BlockStateEnum<BlockLever.EnumLeverPosition> FACING = BlockStateEnum.of("facing", BlockLever.EnumLeverPosition.class);
@@ -155,6 +157,20 @@
         if (world.isClientSide) {
             return true;
         } else {
+            // CraftBukkit start - Interact Lever
+            boolean powered = iblockdata.get(POWERED);
+            org.bukkit.block.Block block = world.getWorld().getBlockAt(blockposition.getX(), blockposition.getY(), blockposition.getZ());
+            int old = (powered) ? 15 : 0;
+            int current = (!powered) ? 15 : 0;
+
+            BlockRedstoneEvent eventRedstone = new BlockRedstoneEvent(block, old, current);
+            world.getServer().getPluginManager().callEvent(eventRedstone);
+
+            if ((eventRedstone.getNewCurrent() > 0) != (!powered)) {
+                return true;
+            }
+            // CraftBukkit end
+            
             iblockdata = iblockdata.a(BlockLever.POWERED);
             world.setTypeAndData(blockposition, iblockdata, 3);
             world.makeSound((double) blockposition.getX() + 0.5D, (double) blockposition.getY() + 0.5D, (double) blockposition.getZ() + 0.5D, "random.click", 0.3F, ((Boolean) iblockdata.get(BlockLever.POWERED)).booleanValue() ? 0.6F : 0.5F);