Highly incomplete code. First work on porting to 1.12. Still need to rework a LOT of things.

src/main/java/appeng/block/paint/BlockPaint.java

@@ -93,7 +93,7 @@ public class BlockPaint extends AEBaseTileBlock
 
 	@Override
 	@SideOnly( Side.CLIENT )
-	public void getSubBlocks( final Item item, final CreativeTabs tabs, final NonNullList<ItemStack> itemStacks )
+	public void getSubBlocks( final CreativeTabs tabs, final NonNullList<ItemStack> itemStacks )
 	{
 		// do nothing
 	}

src/main/java/appeng/block/paint/PaintBakedModel.java

@@ -4,10 +4,10 @@ package appeng.block.paint;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
+import java.util.function.Function;
 
 import javax.annotation.Nullable;
 
-import com.google.common.base.Function;
 import com.google.common.collect.ImmutableList;
 
 import net.minecraft.block.state.IBlockState;

src/main/java/appeng/block/paint/PaintModel.java

@@ -3,8 +3,7 @@ package appeng.block.paint;
 
 import java.util.Collection;
 import java.util.Collections;
-
-import com.google.common.base.Function;
+import java.util.function.Function;
 
 import net.minecraft.client.renderer.block.model.IBakedModel;
 import net.minecraft.client.renderer.texture.TextureAtlasSprite;