remove nasty class visibility hack

src/main/java/net/minecraft/client/BFBlockModelRenderer.java

@@ -1,25 +0,0 @@
-package net.minecraft.client;
-
-import net.minecraft.block.Block;
-import net.minecraft.client.renderer.BlockModelRenderer;
-import net.minecraft.util.EnumFacing;
-
-import java.util.BitSet;
-
-/**
- * FFS why isn't this public static...
- */
-public class BFBlockModelRenderer extends BlockModelRenderer {
-    public class BFAmbientOcclusionFace extends BlockModelRenderer.AmbientOcclusionFace {}
-
-    private static BFBlockModelRenderer INSTANCE = new BFBlockModelRenderer();
-
-    public static BFAmbientOcclusionFace getVanillaAoObject() {
-        return INSTANCE.new BFAmbientOcclusionFace();
-    }
-
-    public static void fillQuadBounds2(Block blockIn, int[] vertexData, EnumFacing facingIn, float[] quadBounds, BitSet boundsFlags) {
-        INSTANCE.fillQuadBounds(blockIn, vertexData, facingIn, quadBounds, boundsFlags);
-    }
-
-}

src/main/kotlin/mods/octarinecore/client/render/Shading.kt

@@ -1,7 +1,7 @@
 package mods.octarinecore.client.render
 
 import mods.octarinecore.common.*
-import net.minecraft.client.BFBlockModelRenderer
+import net.minecraft.client.renderer.BlockModelRenderer
 import net.minecraft.util.EnumFacing
 import net.minecraft.util.EnumFacing.*
 import java.lang.Math.min
@@ -40,7 +40,7 @@ class AoData() {
 }
 
 class AoFaceData(val face: EnumFacing) {
-    val ao = BFBlockModelRenderer.getVanillaAoObject()
+    val ao = BlockModelRenderer().AmbientOcclusionFace()
     val top = faceCorners[face.ordinal].topLeft.first
     val left = faceCorners[face.ordinal].topLeft.second