KCauldronX/patches/net/minecraft/block/BlockRedstoneTorch.java.patch

--- ../src-base/minecraft/net/minecraft/block/BlockRedstoneTorch.java
+++ ../src-work/minecraft/net/minecraft/block/BlockRedstoneTorch.java
@@ -13,6 +13,8 @@
 import net.minecraft.world.IBlockAccess;
 import net.minecraft.world.World;
 
+import org.bukkit.event.block.BlockRedstoneEvent; // CraftBukkit
+
 public class BlockRedstoneTorch extends BlockTorch
 {
     private boolean field_150113_a;
@@ -125,10 +127,30 @@
             list.remove(0);
         }
 
+        // CraftBukkit start
+        org.bukkit.plugin.PluginManager manager = p_149674_1_.getServer().getPluginManager();
+        org.bukkit.block.Block block = p_149674_1_.getWorld().getBlockAt(p_149674_2_, p_149674_3_, p_149674_4_);
+        int oldCurrent = this.field_150113_a ? 15 : 0;
+        BlockRedstoneEvent event = new BlockRedstoneEvent(block, oldCurrent, oldCurrent);
+        // CraftBukkit end
+
         if (this.field_150113_a)
         {
             if (flag)
             {
+                // CraftBukkit start
+                if (oldCurrent != 0)
+                {
+                    event.setNewCurrent(0);
+                    manager.callEvent(event);
+
+                    if (event.getNewCurrent() != 0)
+                    {
+                        return;
+                    }
+                }
+
+                // CraftBukkit end
                 p_149674_1_.setBlock(p_149674_2_, p_149674_3_, p_149674_4_, Blocks.unlit_redstone_torch, p_149674_1_.getBlockMetadata(p_149674_2_, p_149674_3_, p_149674_4_), 3);
 
                 if (this.func_150111_a(p_149674_1_, p_149674_2_, p_149674_3_, p_149674_4_, true))
@@ -147,6 +169,19 @@
         }
         else if (!flag && !this.func_150111_a(p_149674_1_, p_149674_2_, p_149674_3_, p_149674_4_, false))
         {
+            // CraftBukkit start
+            if (oldCurrent != 15)
+            {
+                event.setNewCurrent(15);
+                manager.callEvent(event);
+
+                if (event.getNewCurrent() != 15)
+                {
+                    return;
+                }
+            }
+
+            // CraftBukkit end
             p_149674_1_.setBlock(p_149674_2_, p_149674_3_, p_149674_4_, Blocks.redstone_torch, p_149674_1_.getBlockMetadata(p_149674_2_, p_149674_3_, p_149674_4_), 3);
         }
     }