Fixed Entities not being able to climb ladders, Closes #1535

patches/minecraft/net/minecraft/block/BlockLadder.java.patch

@@ -21,3 +21,12 @@
      }
  
      @SideOnly(Side.CLIENT)
+@@ -155,6 +158,8 @@
+         return new BlockState(this, new IProperty[] {field_176382_a});
+     }
+ 
++    @Override public boolean isLadder(IBlockAccess world, BlockPos pos, EntityLivingBase entity) { return true; }
++
+     static final class SwitchEnumFacing
+         {
+             static final int[] field_180190_a = new int[EnumFacing.values().length];

src/main/java/net/minecraftforge/common/ForgeHooks.java

@@ -357,7 +357,7 @@ public class ForgeHooks
         if (isSpectator) return false;
         if (!ForgeModContainer.fullBoundingBoxLadders)
         {
-            return block != null && block.isLadder(world, pos, entity) && isSpectator;
+            return block != null && block.isLadder(world, pos, entity);
         }
         else
         {