Add Tooltip

Author: RedCrafter07

src/main/java/com/redcrafter07/ultrautilities/blocks/LightningConcentratorBlock.java

@@ -5,11 +5,14 @@
 import com.redcrafter07.ultrautilities.tileentity.ModTileEntities;
 import net.minecraft.block.Block;
 import net.minecraft.block.BlockState;
+import net.minecraft.client.gui.screen.Screen;
+import net.minecraft.client.util.ITooltipFlag;
 import net.minecraft.entity.player.PlayerEntity;
 import net.minecraft.entity.player.PlayerInventory;
 import net.minecraft.entity.player.ServerPlayerEntity;
 import net.minecraft.inventory.container.Container;
 import net.minecraft.inventory.container.INamedContainerProvider;
+import net.minecraft.item.ItemStack;
 import net.minecraft.tileentity.TileEntity;
 import net.minecraft.util.ActionResultType;
 import net.minecraft.util.Hand;
@@ -22,6 +25,7 @@
 import net.minecraftforge.fml.network.NetworkHooks;
 
 import javax.annotation.Nullable;
+import java.util.List;
 
 public class LightningConcentratorBlock extends Block {
     public LightningConcentratorBlock(Properties properties) {
@@ -45,6 +49,17 @@ public ActionResultType onBlockActivated(BlockState blockState, World world, Blo
         return ActionResultType.SUCCESS;
     }
 
+    @Override
+    public void addInformation(ItemStack stack, @Nullable IBlockReader worldIn, List<ITextComponent> tooltip, ITooltipFlag flagIn) {
+        if(Screen.hasShiftDown())   {
+            tooltip.add(new TranslationTextComponent("info.ultrautilities.lightning_concentrator"));
+        }   else    {
+            tooltip.add(new TranslationTextComponent("info.ultrautilities.shift"));
+        }
+
+        super.addInformation(stack, worldIn, tooltip, flagIn);
+    }
+
     private INamedContainerProvider createContainerProvider(World world, BlockPos blockPos) {
         return new INamedContainerProvider() {
             @Override