Fixed NEI showing Air and Forcefield blocks

src/main/java/cr0s/warpdrive/Commons.java

@@ -1,5 +1,6 @@
 package cr0s.warpdrive;
 
+import cr0s.warpdrive.config.WarpDriveConfig;
 import cr0s.warpdrive.data.VectorI;
 
 import net.minecraft.block.Block;
@@ -35,6 +36,8 @@ import java.util.List;
 import java.util.Random;
 import java.util.Set;
 
+import cpw.mods.fml.common.Optional;
+
 /**
  * Common static methods
  */
@@ -526,4 +529,15 @@ public class Commons {
 			 + (clamp(0, 255, green) <<  8)
 			 +  clamp(0, 255, blue );
 	}
+	
+	@Optional.Method(modid = "NotEnoughItems")
+	public static void NEI_hideItemStack(final ItemStack itemStack) {
+		codechicken.nei.api.API.hideItem(itemStack);
+	}
+	
+	public static void hideItemStack(final ItemStack itemStack) {
+		if (WarpDriveConfig.isNotEnoughItemsLoaded) {
+			NEI_hideItemStack(itemStack);
+		}
+	}
 }

src/main/java/cr0s/warpdrive/block/breathing/BlockAbstractAir.java

@@ -1,16 +1,20 @@
 package cr0s.warpdrive.block.breathing;
 
+import cr0s.warpdrive.Commons;
 import cr0s.warpdrive.WarpDrive;
 import cr0s.warpdrive.block.BlockAbstractBase;
 import cr0s.warpdrive.config.WarpDriveConfig;
 import cr0s.warpdrive.render.RenderBlockStandard;
 
+import java.util.List;
 import java.util.Random;
 
 import net.minecraft.block.Block;
 import net.minecraft.block.material.Material;
 import net.minecraft.client.renderer.texture.IIconRegister;
+import net.minecraft.creativetab.CreativeTabs;
 import net.minecraft.item.Item;
+import net.minecraft.item.ItemStack;
 import net.minecraft.util.AxisAlignedBB;
 import net.minecraft.util.IIcon;
 import net.minecraft.world.IBlockAccess;
@@ -61,6 +65,15 @@ public abstract class BlockAbstractAir extends BlockAbstractBase {
 		return false;
 	}
 	
+	@Override
+	@SideOnly(Side.CLIENT)
+	public void getSubBlocks(Item item, CreativeTabs creativeTab, List list) {
+		// hide in NEI
+		for (int i = 0; i < 16; i++) {
+			Commons.hideItemStack(new ItemStack(item, 1, i));
+		}
+	}
+	
 	@Override
 	public int getRenderBlockPass() {
 		// 1 is required to apply alpha transparency

src/main/java/cr0s/warpdrive/block/forcefield/BlockForceField.java

@@ -1,5 +1,6 @@
 package cr0s.warpdrive.block.forcefield;
 
+import cr0s.warpdrive.Commons;
 import cr0s.warpdrive.WarpDrive;
 import cr0s.warpdrive.api.IDamageReceiver;
 import cr0s.warpdrive.block.hull.BlockHullGlass;
@@ -87,11 +88,10 @@ public class BlockForceField extends BlockAbstractForceField implements IDamageR
 	@Override
 	@SideOnly(Side.CLIENT)
 	public void getSubBlocks(Item item, CreativeTabs creativeTab, List list) {
-		/* Hide in NEI
+		// hide in NEI
 		for (int i = 0; i < 16; i++) {
-			list.add(new ItemStack(item, 1, i));
+			Commons.hideItemStack(new ItemStack(item, 1, i));
 		}
-		/**/
 	}
 	
 	@SideOnly(Side.CLIENT)

src/main/java/cr0s/warpdrive/config/WarpDriveConfig.java

@@ -114,6 +114,7 @@ public class WarpDriveConfig {
 	public static boolean isGregTech5Loaded = false;
 	public static boolean isEnderIOLoaded = false;
 	public static boolean isAdvancedRepulsionSystemLoaded = false;
+	public static boolean isNotEnoughItemsLoaded = false;
 	
 	public static ItemStack IC2_compressedAir;
 	public static ItemStack IC2_emptyCell;
@@ -967,6 +968,7 @@ public class WarpDriveConfig {
 		if (isAdvancedRepulsionSystemLoaded) {
 			CompatAdvancedRepulsionSystems.register();
 		}
+		isNotEnoughItemsLoaded = Loader.isModLoaded("NotEnoughItems");
 		
 		boolean isBotaniaLoaded = Loader.isModLoaded("Botania");
 		if (isBotaniaLoaded) {