From 46440588fe1b9c5a82be8ca5d2175a086763c5c5 Mon Sep 17 00:00:00 2001
From: LexManos <LexManos@gmail.com>
Date: Thu, 27 Dec 2012 13:50:13 -0800
Subject: [PATCH] Fix mobs spawning on inverted slabs/stairs.

---
 .../minecraftforge/common/MinecraftForge.java |  1 +
 .../net/minecraft/block/Block.java.patch      | 20 +++----------------
 2 files changed, 4 insertions(+), 17 deletions(-)

diff --git a/common/net/minecraftforge/common/MinecraftForge.java b/common/net/minecraftforge/common/MinecraftForge.java
index 4d6e2c70b..aefed721d 100644
--- a/common/net/minecraftforge/common/MinecraftForge.java
+++ b/common/net/minecraftforge/common/MinecraftForge.java
@@ -33,6 +33,7 @@ public class MinecraftForge
     public static final EventBus EVENT_BUS = new EventBus();
     public static final EventBus TERRAIN_GEN_BUS = new EventBus();
     public static final EventBus ORE_GEN_BUS = new EventBus();
+    @Deprecated //Vanilla feature now
     public static boolean SPAWNER_ALLOW_ON_INVERTED = false;
     private static final ForgeInternalHandler INTERNAL_HANDLER = new ForgeInternalHandler();
 
diff --git a/patches/minecraft/net/minecraft/block/Block.java.patch b/patches/minecraft/net/minecraft/block/Block.java.patch
index 67ef7bb75..d9c0a5e81 100644
--- a/patches/minecraft/net/minecraft/block/Block.java.patch
+++ b/patches/minecraft/net/minecraft/block/Block.java.patch
@@ -141,7 +141,7 @@
          {
              ItemStack var8 = this.createStackedBlock(par6);
  
-@@ -1356,4 +1372,849 @@
+@@ -1356,4 +1372,835 @@
          canBlockGrass[0] = true;
          StatList.initBreakableStats();
      }
@@ -511,25 +511,11 @@
 +        int meta = world.getBlockMetadata(x, y, z);
 +        if (this instanceof BlockStep)
 +        {
-+            if (MinecraftForge.SPAWNER_ALLOW_ON_INVERTED)
-+            {
-+                return (((meta & 8) == 8) || isOpaqueCube());   
-+            }
-+            else
-+            {
-+                return isNormalCube(this.blockID);
-+            }
++            return (((meta & 8) == 8) || isOpaqueCube());
 +        }
 +        else if (this instanceof BlockStairs)
 +        {
-+            if (MinecraftForge.SPAWNER_ALLOW_ON_INVERTED)
-+            {
-+                return ((meta & 4) != 0);
-+            }
-+            else
-+            {
-+                return isNormalCube(this.blockID);
-+            }
++            return ((meta & 4) != 0);
 +        }
 +        return isBlockSolidOnSide(world, x, y, z, UP);
 +    }