added module tooltips

src/main/java/de/ellpeck/prettypipes/Registry.java

@@ -1,5 +1,6 @@
 package de.ellpeck.prettypipes;
 
+import de.ellpeck.prettypipes.items.ModuleItem;
 import de.ellpeck.prettypipes.pipe.extraction.ExtractionModuleContainer;
 import de.ellpeck.prettypipes.pipe.extraction.ExtractionModuleGui;
 import de.ellpeck.prettypipes.pipe.extraction.ExtractionModuleItem;
@@ -39,6 +40,7 @@ import javax.annotation.Nullable;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Locale;
+import java.util.function.BiFunction;
 import java.util.function.Function;
 
 @Mod.EventBusSubscriber(bus = Bus.MOD)
@@ -112,10 +114,10 @@ public final class Registry {
         PacketHandler.setup();
     }
 
-    private static Item[] createTieredModule(String name, Function<ModuleTier, Item> item) {
+    private static Item[] createTieredModule(String name, BiFunction<String, ModuleTier, ModuleItem> item) {
         List<Item> items = new ArrayList<>();
         for (ModuleTier tier : ModuleTier.values())
-            items.add(item.apply(tier).setRegistryName(tier.name().toLowerCase(Locale.ROOT) + "_" + name));
+            items.add(item.apply(name, tier).setRegistryName(tier.name().toLowerCase(Locale.ROOT) + "_" + name));
         return items.toArray(new Item[0]);
     }
 

src/main/java/de/ellpeck/prettypipes/items/ModuleItem.java

@@ -1,17 +1,46 @@
 package de.ellpeck.prettypipes.items;
 
+import de.ellpeck.prettypipes.PrettyPipes;
 import de.ellpeck.prettypipes.Registry;
 import de.ellpeck.prettypipes.pipe.containers.AbstractPipeContainer;
 import de.ellpeck.prettypipes.pipe.PipeTileEntity;
+import net.minecraft.client.gui.screen.Screen;
+import net.minecraft.client.resources.I18n;
+import net.minecraft.client.util.ITooltipFlag;
 import net.minecraft.entity.player.PlayerEntity;
 import net.minecraft.entity.player.PlayerInventory;
 import net.minecraft.item.Item;
 import net.minecraft.item.ItemStack;
+import net.minecraft.util.text.*;
+import net.minecraft.world.World;
+import net.minecraftforge.api.distmarker.Dist;
+import net.minecraftforge.api.distmarker.OnlyIn;
+import net.minecraftforge.fml.client.gui.GuiUtils;
 import net.minecraftforge.items.IItemHandler;
 
+import javax.annotation.Nullable;
+import java.util.List;
+
 public abstract class ModuleItem extends Item implements IModule {
-    public ModuleItem() {
+
+    private final String name;
+
+    public ModuleItem(String name) {
         super(new Properties().group(Registry.GROUP).maxStackSize(16));
+        this.name = name;
+    }
+
+    @Override
+    @OnlyIn(Dist.CLIENT)
+    public void addInformation(ItemStack stack, @Nullable World worldIn, List<ITextComponent> tooltip, ITooltipFlag flagIn) {
+        super.addInformation(stack, worldIn, tooltip, flagIn);
+        if (Screen.hasShiftDown()) {
+            String[] content = I18n.format("info." + PrettyPipes.ID + "." + this.name).split("\n");
+            for (String s : content)
+                tooltip.add(new StringTextComponent(s).setStyle(new Style().setColor(TextFormatting.GRAY)));
+        } else {
+            tooltip.add(new TranslationTextComponent("info." + PrettyPipes.ID + ".shift").setStyle(new Style().setColor(TextFormatting.DARK_GRAY)));
+        }
     }
 
     @Override

src/main/java/de/ellpeck/prettypipes/pipe/extraction/ExtractionModuleItem.java

@@ -20,7 +20,8 @@ public class ExtractionModuleItem extends ModuleItem {
     private final int speed;
     public final int filterSlots;
 
-    public ExtractionModuleItem(ModuleTier tier) {
+    public ExtractionModuleItem(String name, ModuleTier tier) {
+        super(name);
         this.maxExtraction = tier.forTier(1, 8, 64);
         this.speed = tier.forTier(20, 15, 10);
         this.filterSlots = tier.forTier(3, 6, 9);

src/main/resources/assets/prettypipes/lang/en_us.json

@@ -3,9 +3,11 @@
     "item.prettypipes.low_extraction_module": "Low Extraction Module",
     "item.prettypipes.medium_extraction_module": "Medium Extraction Module",
     "item.prettypipes.high_extraction_module": "High Extraction Module",
+    "info.prettypipes.extraction_module": "Pulls items from adjacent inventories\nFilters and pull rates vary by tier",
     "block.prettypipes.pipe": "Pipe",
     "itemGroup.prettypipes": "Pretty Pipes",
     "container.prettypipes.pipe": "Pipe",
     "info.prettypipes.whitelist": "Allowed",
-    "info.prettypipes.blacklist": "Disallowed"
+    "info.prettypipes.blacklist": "Disallowed",
+    "info.prettypipes.shift": "Hold Shift for info"
 }