feat(testing_powder): create new consumable

src/main/java/com/uncreativebunch/magicmod/MagicMod.java

@@ -1,5 +1,6 @@
 package com.uncreativebunch.magicmod;
 
+import com.uncreativebunch.magicmod.item.ModItemGroups;
 import net.fabricmc.api.ModInitializer;
 
 import org.slf4j.Logger;
@@ -8,9 +9,11 @@ import org.slf4j.LoggerFactory;
 public class MagicMod implements ModInitializer {
 	public static final String MOD_ID = "magic_mod";
 
-	// This logger is used to write text to the console and the log file.
-	// It is considered best practice to use your mod id as the logger's name.
-	// That way, it's clear which mod wrote info, warnings, and errors.
+	/**
+	 * This logger is used to write text to the console and the log file.
+	 * It is considered best practice to use your mod id as the logger's name.
+	 * That way, it's clear which mod wrote info, warnings, and errors.
+	 */
 	public static final Logger LOGGER = LoggerFactory.getLogger(MOD_ID);
 
 	@Override
@@ -20,5 +23,8 @@ public class MagicMod implements ModInitializer {
 		// Proceed with mild caution.
 
 		LOGGER.info("Hello Fabric world!");
+		LOGGER.info("Starting Magic Mod...");
+		ModItemGroups.init();
+		LOGGER.info("Finished Magic Mod initialization!");
 	}
 }

src/main/java/com/uncreativebunch/magicmod/component/ModConsumableComponents.java

@@ -0,0 +1,27 @@
+package com.uncreativebunch.magicmod.component;
+
+import net.minecraft.component.type.ConsumableComponent;
+import net.minecraft.component.type.ConsumableComponents;
+import net.minecraft.entity.effect.StatusEffectInstance;
+import net.minecraft.entity.effect.StatusEffects;
+import net.minecraft.item.consume.ApplyEffectsConsumeEffect;
+
+/**
+ * Contains the {@link ConsumableComponent} objects that are a part of this mod.
+ * These are what gives the player side effects as a result of eating or drinking.
+ */
+public class ModConsumableComponents {
+    /** If a consumable item has this component, it is guaranteed to give the player night vision for 60 seconds. */
+    public static ConsumableComponent TESTING_POWDER_NIGHTVIS =
+        ConsumableComponents
+            .food()  // This is for a food item, not a drink.
+            .consumeEffect(new ApplyEffectsConsumeEffect(
+                new StatusEffectInstance(
+                    StatusEffects.NIGHT_VISION,  // the effect to apply.
+                    60 * 20,  // There are 20 ticks per second - we want 60 seconds of night vis.
+                    1  // The intensity - could be strength 2, haste 3, etc.
+                ),
+                1  // The probability that the consumer gets the effect.
+            ))
+            .build();
+}

src/main/java/com/uncreativebunch/magicmod/component/ModFoodComponents.java

@@ -0,0 +1,22 @@
+package com.uncreativebunch.magicmod.component;
+
+import net.minecraft.component.type.FoodComponent;
+
+/**
+ * Contains all the {@link FoodComponent}s that are used within this mod.
+ *
+ * Food items don't need to have their own specific component - these components can
+ * be reused.
+ */
+public class ModFoodComponents {
+    /**
+     * Food component currently only used with the TESTING_POWDER item.
+     */
+    public static FoodComponent TESTING_POWDER_COMPONENT =
+        new FoodComponent
+            .Builder()
+            .alwaysEdible()  // Players can eat this regardless of hunger levels
+            .saturationModifier(0.6f)  // Sets how "long" hunger lasts before it starts decreasing again.
+            .nutrition(2)  // Sets the number of hunger points given.
+            .build();
+}

src/main/java/com/uncreativebunch/magicmod/item/ModItemGroups.java

@@ -0,0 +1,55 @@
+package com.uncreativebunch.magicmod.item;
+
+import com.uncreativebunch.magicmod.MagicMod;
+import net.fabricmc.fabric.api.itemgroup.v1.FabricItemGroup;
+import net.fabricmc.fabric.api.itemgroup.v1.ItemGroupEvents;
+import net.minecraft.item.ItemGroup;
+import net.minecraft.item.ItemStack;
+import net.minecraft.registry.Registries;
+import net.minecraft.registry.Registry;
+import net.minecraft.registry.RegistryKey;
+import net.minecraft.text.Text;
+import net.minecraft.util.Identifier;
+
+/**
+ * Contains all the {@link ItemGroup} objects in this mod.
+ * These are what group the items added to the mod within the inventory interface.
+ */
+public class ModItemGroups {
+    /**
+     * The registry key for the MAGIC_GROUP.
+     */
+    public static final RegistryKey<ItemGroup> MAGIC_GROUP_KEY =
+        RegistryKey.of(
+            Registries.ITEM_GROUP.getKey(),  // We want an ItemGroup key, not a key for an Item, Block, etc.
+            Identifier.of(MagicMod.MOD_ID, "magic")  // This just says we're making it for our mod and gives
+                                                          // a specific id to our group.
+        );
+
+    /**
+     * The item group that contains all magical items.
+     */
+    public static final ItemGroup MAGIC_GROUP = FabricItemGroup.builder()
+        .icon(() -> new ItemStack(ModItems.TESTING_POWDER))  // The item to show as the group's icon. Can be anything.
+        .displayName(Text.translatable("magic-mod.magic_group"))  // Gets the name from the translation file in the mod resources.
+        .build();
+
+
+    /**
+     * Handles first-time initialization.
+     * Must be called in order for all ItemGroups to be usable in game.
+     * This will also initialize the {@link ModItems} class in order to register all
+     * custom items.
+     */
+    public static void init() {
+        ModItems.init();
+
+        Registry.register(Registries.ITEM_GROUP, MAGIC_GROUP_KEY, MAGIC_GROUP);
+        ItemGroupEvents.modifyEntriesEvent(MAGIC_GROUP_KEY)
+            .register(itemGroup -> {
+                itemGroup.add(ModItems.TESTING_POWDER);
+            });
+
+        MagicMod.LOGGER.info("Item group initialization complete");
+    }
+}

src/main/java/com/uncreativebunch/magicmod/item/ModItems.java

@@ -0,0 +1,46 @@
+package com.uncreativebunch.magicmod.item;
+
+import com.uncreativebunch.magicmod.MagicMod;
+import com.uncreativebunch.magicmod.component.ModConsumableComponents;
+import com.uncreativebunch.magicmod.component.ModFoodComponents;
+import net.minecraft.item.Item;
+import net.minecraft.registry.Registry;
+import net.minecraft.registry.RegistryKey;
+import net.minecraft.registry.RegistryKeys;
+import net.minecraft.registry.Registries;
+import net.minecraft.util.Identifier;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.function.Function;
+
+public class ModItems {
+
+    public static final Item TESTING_POWDER = register(
+        "testing_powder",
+        Item::new,
+        new Item.Settings()
+            .food(ModFoodComponents.TESTING_POWDER_COMPONENT, ModConsumableComponents.TESTING_POWDER_NIGHTVIS)
+    );
+
+
+    public static Item register(String name, @NotNull Function<Item.Settings, Item> factory, Item.Settings settings) {
+        // Create the item's registry key (get it from the ITEM registry)
+        // Create the item with the specified settings and give it the correct registry key
+        // Register the item with the registry (use the key we found and associate it with the new item)
+
+        RegistryKey<Item> itemKey = RegistryKey.of(RegistryKeys.ITEM, Identifier.of(MagicMod.MOD_ID, name));
+        Item item = factory.apply(settings.registryKey(itemKey));
+        Registry.register(Registries.ITEM, itemKey, item);
+
+        return item;
+    }
+
+    /**
+     * Handles first-time initialization.
+     * Must be called in order for all the item instances to be registered
+     * and used within the game.
+     */
+    public static void init() {
+        MagicMod.LOGGER.info("Modded item initialization complete");
+    }
+}

src/main/resources/assets/magic_mod/items/testing_powder.json

@@ -0,0 +1,6 @@
+{
+  "model": {
+    "type": "minecraft:model",
+    "model": "magic_mod:item/testing_powder"
+  }
+}

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

@@ -0,0 +1,4 @@
+{
+  "item.magic_mod.testing_powder": "Testing Powder (edible)",
+  "magic_mod.magic_group": "Testing Mod Items"
+}

src/main/resources/assets/magic_mod/models/item/testing_powder.json

@@ -0,0 +1,6 @@
+{
+  "parent": "minecraft:item/generated",
+  "textures": {
+    "layer0": "magic_mod:item/testing_powder"
+  }
+}

src/main/resources/data/magic-mod/recipe/testing_powder.json

@@ -0,0 +1,15 @@
+{
+    "type": "minecraft:crafting_shaped",
+    "pattern": [
+        "  /",
+        " / ",
+        "/  "
+    ],
+    "key": {
+        "/": "minecraft:stick"
+    },
+    "result": {
+        "id": "magic_mod:testing_powder",
+        "count": 1
+    }
+}