diff -r -U 3 minecraft\net\minecraft\client\renderer\RenderBlocks.java minecraft_patched\net\minecraft\client\renderer\RenderBlocks.java
--- minecraft\net\minecraft\client\renderer\RenderBlocks.java
+++ minecraft_patched\net\minecraft\client\renderer\RenderBlocks.java
@@ -1929,16 +1929,16 @@
       float var24 = (float)(p_147788_2_ + 1);
       float var25 = (float)(p_147788_4_ + 0);
       float var26 = (float)(p_147788_4_ + 1);
-      boolean var27 = false;
+      int var27 = 0;
       if((var19 || var20) && !var21 && !var22) {
-         var27 = true;
+         var27 = 1;
       }
 
       if((var21 || var22) && !var20 && !var19) {
-         var27 = true;
+         var27 = 2;
       }
 
-      if(!var27) {
+      if(var27 == 0) {
          int var28 = 0;
          int var29 = 0;
          int var30 = 16;
@@ -1985,7 +1985,7 @@
          var5.func_78374_a((double)var24, (double)p_147788_3_ + 0.015625D, (double)var25, (double)var9.func_94214_a((double)var30), (double)var9.func_94207_b((double)var29));
          var5.func_78374_a((double)var23, (double)p_147788_3_ + 0.015625D, (double)var25, (double)var9.func_94214_a((double)var28), (double)var9.func_94207_b((double)var29));
          var5.func_78374_a((double)var23, (double)p_147788_3_ + 0.015625D, (double)var26, (double)var9.func_94214_a((double)var28), (double)var9.func_94207_b((double)var31));
-      } else if(var27) {
+      } else if(var27 == 1) {
          var5.func_78374_a((double)var24, (double)p_147788_3_ + 0.015625D, (double)var26, (double)var8.func_94212_f(), (double)var8.func_94210_h());
          var5.func_78374_a((double)var24, (double)p_147788_3_ + 0.015625D, (double)var25, (double)var8.func_94212_f(), (double)var8.func_94206_g());
          var5.func_78374_a((double)var23, (double)p_147788_3_ + 0.015625D, (double)var25, (double)var8.func_94209_e(), (double)var8.func_94206_g());