CatServer/patches/net/minecraft/block/BlockLever.java.patch

--- ../src-base/minecraft/net/minecraft/block/BlockLever.java
+++ ../src-work/minecraft/net/minecraft/block/BlockLever.java
@@ -1,6 +1,9 @@
 package net.minecraft.block;
 
 import javax.annotation.Nullable;
+
+import org.bukkit.event.block.BlockRedstoneEvent;
+
 import net.minecraft.block.material.Material;
 import net.minecraft.block.properties.IProperty;
 import net.minecraft.block.properties.PropertyBool;
@@ -162,6 +165,19 @@
         }
         else
         {
+            // CraftBukkit start - Interact Lever
+            boolean powered = state.getValue(POWERED);
+            org.bukkit.block.Block block = worldIn.getWorld().getBlockAt(pos.getX(), pos.getY(), pos.getZ());
+            int old = (powered) ? 15 : 0;
+            int current = (!powered) ? 15 : 0;
+
+            BlockRedstoneEvent eventRedstone = new BlockRedstoneEvent(block, old, current);
+            worldIn.getServer().getPluginManager().callEvent(eventRedstone);
+
+            if ((eventRedstone.getNewCurrent() > 0) == powered) {
+                return true;
+            }
+            // CraftBukkit end
             state = state.cycleProperty(POWERED);
             worldIn.setBlockState(pos, state, 3);
             float f = ((Boolean)state.getValue(POWERED)).booleanValue() ? 0.6F : 0.5F;