--- ../src-base/minecraft/net/minecraft/block/BlockBasePressurePlate.java
+++ ../src-work/minecraft/net/minecraft/block/BlockBasePressurePlate.java
@@ -11,6 +11,8 @@
 import net.minecraft.world.IBlockAccess;
 import net.minecraft.world.World;
 
+import org.bukkit.event.block.BlockRedstoneEvent; // CraftBukkit
+
 public abstract class BlockBasePressurePlate extends Block
 {
     private String field_150067_a;
@@ -122,7 +124,20 @@
         int i1 = this.func_150065_e(p_150062_1_, p_150062_2_, p_150062_3_, p_150062_4_);
         boolean flag = p_150062_5_ > 0;
         boolean flag1 = i1 > 0;
+        // CraftBukkit start - Interact Pressure Plate
+        org.bukkit.World bworld = p_150062_1_.getWorld();
+        org.bukkit.plugin.PluginManager manager = p_150062_1_.getServer().getPluginManager();
 
+        if (flag != flag1)
+        {
+            BlockRedstoneEvent eventRedstone = new BlockRedstoneEvent(bworld.getBlockAt(p_150062_2_, p_150062_3_, p_150062_4_), p_150062_5_, i1);
+            manager.callEvent(eventRedstone);
+            flag1 = eventRedstone.getNewCurrent() > 0;
+            i1 = eventRedstone.getNewCurrent();
+        }
+
+        // CraftBukkit end
+
         if (p_150062_5_ != i1)
         {
             p_150062_1_.setBlockMetadataWithNotify(p_150062_2_, p_150062_3_, p_150062_4_, this.func_150066_d(i1), 2);
@@ -141,7 +156,11 @@
 
         if (flag1)
         {
-            p_150062_1_.scheduleBlockUpdate(p_150062_2_, p_150062_3_, p_150062_4_, this, this.tickRate(p_150062_1_));
+            if(i1!=p_150062_5_){
+                p_150062_1_.scheduleBlockUpdate(p_150062_2_, p_150062_3_, p_150062_4_, this, this.tickRate(p_150062_1_));
+            }else{
+                p_150062_1_.func_147446_b(p_150062_2_, p_150062_3_, p_150062_4_, this, this.tickRate(p_150062_1_),0);
+            }
         }
     }
 
