Add demo thunder enchantment

build.gradle

@@ -22,7 +22,7 @@ loom {
 	splitEnvironmentSourceSets()
 
 	mods {
-		"modid" {
+		"customenchants" {
 			sourceSet sourceSets.main
 			sourceSet sourceSets.client
 		}
@@ -85,4 +85,8 @@ publishing {
 		// The repositories here will be used for publishing your artifact, not for
 		// retrieving dependencies.
 	}
+}
+
+fabricApi {
+	configureDataGeneration()
 }

gradle.properties

@@ -6,12 +6,12 @@ org.gradle.parallel=true
 # check these on https://fabricmc.net/develop
 minecraft_version=1.21.1
 yarn_mappings=1.21.1+build.3
-loader_version=0.16.2
+loader_version=0.16.5
 
 # Mod Properties
 mod_version=1.0.0
-maven_group=com.example
+maven_group=com.itzilly
-archives_base_name=modid
+archives_base_name=customenchants
 
 # Dependencies
-fabric_version=0.102.1+1.21.1
+fabric_version=0.105.0+1.21.1

src/main/generated/.cache/6f5192c797375035190f7e885b8d5d4aa840c2f5

@@ -0,0 +1,2 @@
+// 1.21.1	2024-09-29T04:05:48.3198307	Custom Enchants/Enchantment Generator
+4e507987cd1905de26693915dff86bcadec7e9a0 data\customenchants\enchantment\thundering.json

src/main/generated/data/customenchants/enchantment/thundering.json

@@ -0,0 +1,36 @@
+{
+  "anvil_cost": 7,
+  "description": {
+    "translate": "enchantment.customenchants.thundering"
+  },
+  "effects": {
+    "minecraft:post_attack": [
+      {
+        "affected": "victim",
+        "effect": {
+          "type": "customenchants:lightning",
+          "amount": {
+            "type": "minecraft:linear",
+            "base": 0.5,
+            "per_level_above_first": 0.15
+          }
+        },
+        "enchanted": "attacker"
+      }
+    ]
+  },
+  "max_cost": {
+    "base": 1,
+    "per_level_above_first": 15
+  },
+  "max_level": 5,
+  "min_cost": {
+    "base": 1,
+    "per_level_above_first": 10
+  },
+  "slots": [
+    "hand"
+  ],
+  "supported_items": "#minecraft:enchantable/sword",
+  "weight": 15
+}

src/main/java/com/example/ExampleMod.java

@@ -1,24 +0,0 @@
-package com.example;
-
-import net.fabricmc.api.ModInitializer;
-
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-public class ExampleMod implements ModInitializer {
-	public static final String MOD_ID = "modid";
-
-	// 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
-	public void onInitialize() {
-		// This code runs as soon as Minecraft is in a mod-load-ready state.
-		// However, some things (like resources) may still be uninitialized.
-		// Proceed with mild caution.
-
-		LOGGER.info("Hello Fabric world!");
-	}
-}

src/main/java/com/example/mixin/ExampleMixin.java

@@ -1,15 +0,0 @@
-package com.example.mixin;
-
-import net.minecraft.server.MinecraftServer;
-import org.spongepowered.asm.mixin.Mixin;
-import org.spongepowered.asm.mixin.injection.At;
-import org.spongepowered.asm.mixin.injection.Inject;
-import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
-
-@Mixin(MinecraftServer.class)
-public class ExampleMixin {
-	@Inject(at = @At("HEAD"), method = "loadWorld")
-	private void init(CallbackInfo info) {
-		// This code is injected into the start of MinecraftServer.loadWorld()V
-	}
-}

src/main/java/com/itzilly/CustomEnchants.java

@@ -0,0 +1,24 @@
+package com.itzilly;
+
+import com.itzilly.init.EnchantmentInit;
+import net.fabricmc.api.ModInitializer;
+
+import net.minecraft.util.Identifier;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class CustomEnchants implements ModInitializer {
+	public static final String MOD_ID = "customenchants";
+
+	public static final Logger LOGGER = LoggerFactory.getLogger(MOD_ID);
+
+	public static Identifier id(String path) {
+		return Identifier.of(MOD_ID, path);
+	}
+
+	@Override
+	public void onInitialize() {
+		LOGGER.info("Starting Custom Enchants - Realm");
+		EnchantmentInit.load();
+	}
+}

src/main/java/com/itzilly/DataGenerator.java

@@ -0,0 +1,13 @@
+package com.itzilly;
+
+import com.itzilly.enchantments.EnchantmentGenerator;
+import net.fabricmc.fabric.api.datagen.v1.DataGeneratorEntrypoint;
+import net.fabricmc.fabric.api.datagen.v1.FabricDataGenerator;
+
+public class DataGenerator implements DataGeneratorEntrypoint {
+    @Override
+    public void onInitializeDataGenerator(FabricDataGenerator fabricDataGenerator) {
+        FabricDataGenerator.Pack pack = fabricDataGenerator.createPack();
+        pack.addProvider(EnchantmentGenerator::new);
+    }
+}

src/main/java/com/itzilly/LanguageProvider.java

@@ -0,0 +1,19 @@
+package com.itzilly;
+
+import com.itzilly.init.EnchantmentInit;
+import net.fabricmc.fabric.api.datagen.v1.FabricDataOutput;
+import net.fabricmc.fabric.api.datagen.v1.provider.FabricLanguageProvider;
+import net.minecraft.registry.RegistryWrapper;
+
+import java.util.concurrent.CompletableFuture;
+
+public class LanguageProvider extends FabricLanguageProvider {
+    protected LanguageProvider(FabricDataOutput dataOutput, CompletableFuture<RegistryWrapper.WrapperLookup> registryLookup) {
+        super(dataOutput, registryLookup);
+    }
+
+    @Override
+    public void generateTranslations(RegistryWrapper.WrapperLookup registryLookup, TranslationBuilder translationBuilder) {
+        translationBuilder.addEnchantment(EnchantmentInit.THUNDERING_KEY, "Thundering");
+    }
+}

src/main/java/com/itzilly/enchantments/EnchantmentGenerator.java

@@ -0,0 +1,54 @@
+package com.itzilly.enchantments;
+
+import com.itzilly.enchantments.effects.LightningEnchantmentEffect;
+import com.itzilly.init.EnchantmentInit;
+import net.fabricmc.fabric.api.datagen.v1.FabricDataOutput;
+import net.fabricmc.fabric.api.datagen.v1.provider.FabricDynamicRegistryProvider;
+import net.fabricmc.fabric.api.resource.conditions.v1.ResourceCondition;
+import net.minecraft.component.EnchantmentEffectComponentTypes;
+import net.minecraft.component.type.AttributeModifierSlot;
+import net.minecraft.enchantment.Enchantment;
+import net.minecraft.enchantment.EnchantmentLevelBasedValue;
+import net.minecraft.enchantment.effect.EnchantmentEffectTarget;
+import net.minecraft.item.Item;
+import net.minecraft.registry.RegistryKey;
+import net.minecraft.registry.RegistryKeys;
+import net.minecraft.registry.RegistryWrapper;
+import net.minecraft.registry.tag.ItemTags;
+
+import java.util.concurrent.CompletableFuture;
+
+public class EnchantmentGenerator extends FabricDynamicRegistryProvider {
+    public EnchantmentGenerator(FabricDataOutput output, CompletableFuture<RegistryWrapper.WrapperLookup> registriesFuture) {
+        super(output, registriesFuture);
+    }
+
+    @Override
+    protected void configure(RegistryWrapper.WrapperLookup registries, Entries entries) {
+        RegistryWrapper<Item> itemLookup = registries.getWrapperOrThrow(RegistryKeys.ITEM);
+
+        register(entries, EnchantmentInit.THUNDERING_KEY, Enchantment.builder(
+                        Enchantment.definition(
+                                itemLookup.getOrThrow(ItemTags.SWORD_ENCHANTABLE),
+                                15, // probability of showing up in the enchantment table
+                                5, // max level
+                                Enchantment.leveledCost(1, 10), // cost per level (base)
+                                Enchantment.leveledCost(1, 15), // cost per level (max)
+                                7, // anvil applying cost
+                                AttributeModifierSlot.HAND
+                        ))
+                .addEffect(EnchantmentEffectComponentTypes.POST_ATTACK,
+                        EnchantmentEffectTarget.ATTACKER,
+                        EnchantmentEffectTarget.VICTIM,
+                        new LightningEnchantmentEffect(EnchantmentLevelBasedValue.linear(0.5f, 0.15f))));
+    }
+
+    private static void register(Entries entries, RegistryKey<Enchantment> key, Enchantment.Builder builder, ResourceCondition... resourceConditions) {
+        entries.add(key, builder.build(key.getValue()), resourceConditions);
+    }
+
+    @Override
+    public String getName() {
+        return "Enchantment Generator";
+    }
+}

src/main/java/com/itzilly/enchantments/effects/LightningEnchantmentEffect.java

@@ -0,0 +1,38 @@
+package com.itzilly.enchantments.effects;
+
+import com.mojang.serialization.MapCodec;
+import com.mojang.serialization.codecs.RecordCodecBuilder;
+import net.minecraft.enchantment.EnchantmentEffectContext;
+import net.minecraft.enchantment.EnchantmentLevelBasedValue;
+import net.minecraft.enchantment.effect.EnchantmentEntityEffect;
+import net.minecraft.entity.Entity;
+import net.minecraft.entity.EntityType;
+import net.minecraft.entity.LivingEntity;
+import net.minecraft.entity.SpawnReason;
+import net.minecraft.server.world.ServerWorld;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.Vec3d;
+
+public record LightningEnchantmentEffect(EnchantmentLevelBasedValue amount) implements EnchantmentEntityEffect {
+    public static final MapCodec<LightningEnchantmentEffect> CODEC = RecordCodecBuilder.mapCodec(
+            instance -> instance.group(
+                    EnchantmentLevelBasedValue.CODEC.fieldOf("amount").forGetter(LightningEnchantmentEffect::amount)
+            ).apply(instance, LightningEnchantmentEffect::new));
+
+    @Override
+    public void apply(ServerWorld world, int level, EnchantmentEffectContext context, Entity target, Vec3d pos) {
+        if(target instanceof LivingEntity living) {
+            float numberOfStrikes = this.amount.getValue(level);
+
+            BlockPos targetPosition = living.getBlockPos();
+            for (int i = 0; i < numberOfStrikes; i++) {
+                EntityType.LIGHTNING_BOLT.spawn(world, targetPosition, SpawnReason.TRIGGERED);
+            }
+        }
+    }
+
+    @Override
+    public MapCodec<? extends EnchantmentEntityEffect> getCodec() {
+        return CODEC;
+    }
+}

src/main/java/com/itzilly/init/EnchantmentInit.java

@@ -0,0 +1,25 @@
+package com.itzilly.init;
+
+import com.itzilly.CustomEnchants;
+
+import com.itzilly.enchantments.effects.LightningEnchantmentEffect;
+import com.mojang.serialization.MapCodec;
+import net.minecraft.enchantment.Enchantment;
+import net.minecraft.enchantment.effect.EnchantmentEntityEffect;
+import net.minecraft.registry.Registries;
+import net.minecraft.registry.Registry;
+import net.minecraft.registry.RegistryKey;
+import net.minecraft.registry.RegistryKeys;
+
+
+public class EnchantmentInit {
+    public static final RegistryKey<Enchantment> THUNDERING_KEY = RegistryKey.of(RegistryKeys.ENCHANTMENT, CustomEnchants.id("thundering"));
+
+    public static final MapCodec<LightningEnchantmentEffect> LIGHTNING_EFFECT = register("lightning", LightningEnchantmentEffect.CODEC);
+
+    private static <T extends EnchantmentEntityEffect> MapCodec<T> register(String name, MapCodec<T> codec) {
+        return Registry.register(Registries.ENCHANTMENT_ENTITY_EFFECT_TYPE, CustomEnchants.id(name), codec);
+    }
+
+    public static void load() {}
+}

src/main/resources/fabric.mod.json

@@ -1,34 +1,29 @@
 {
 	"schemaVersion": 1,
-	"id": "modid",
+	"id": "customenchants",
 	"version": "${version}",
-	"name": "Example mod",
+	"name": "Custom Enchants",
-	"description": "This is an example description! Tell everyone what your mod is about!",
+	"description": "Simple server-side fabric mod to add custom enchantments",
 	"authors": [
-		"Me!"
+		"itzilly",
+		"iillyum"
 	],
 	"contact": {
-		"homepage": "https://fabricmc.net/",
+		"homepage": "http://itzilly.com/",
-		"sources": "https://github.com/FabricMC/fabric-example-mod"
+		"sources": "http://itzilly.com/CustomEnchants-Realm"
 	},
 	"license": "CC0-1.0",
-	"icon": "assets/modid/icon.png",
+	"icon": "assets/customenchants/icon.png",
 	"environment": "*",
 	"entrypoints": {
+	"fabric-datagen": [
+		"com.itzilly.DataGenerator"
+	],
 		"main": [
-			"com.example.ExampleMod"
+			"com.itzilly.CustomEnchants"
-		],
-		"client": [
-			"com.example.ExampleModClient"
 		]
 	},
-	"mixins": [
+	"mixins": [],
-		"modid.mixins.json",
-		{
-			"config": "modid.client.mixins.json",
-			"environment": "client"
-		}
-	],
 	"depends": {
 		"fabricloader": ">=0.16.2",
 		"minecraft": "~1.21.1",