Add advancement for killing mobs with a horseshoe

src/main/java/com/minelittlepony/unicopia/entity/damage/UDamageTypes.java

@@ -30,6 +30,7 @@ public interface UDamageTypes {
     RegistryKey<DamageType> SUNLIGHT = register("sunlight");
     RegistryKey<DamageType> PETRIFIED = register("petrified");
     RegistryKey<DamageType> ROCK = register("rock");
+    RegistryKey<DamageType> HORSESHOE = register("horseshoe");
 
     private static RegistryKey<DamageType> register(String name) {
         var key = RegistryKey.of(RegistryKeys.DAMAGE_TYPE, Unicopia.id(name));

src/main/java/com/minelittlepony/unicopia/item/HorseShoeItem.java

@@ -9,6 +9,7 @@ import com.google.common.collect.Multimap;
 import com.minelittlepony.unicopia.Race;
 import com.minelittlepony.unicopia.USounds;
 import com.minelittlepony.unicopia.Unicopia;
+import com.minelittlepony.unicopia.entity.damage.UDamageTypes;
 import com.minelittlepony.unicopia.entity.mob.UEntityAttributes;
 import com.minelittlepony.unicopia.entity.player.Pony;
 import com.minelittlepony.unicopia.projectile.PhysicsBodyProjectileEntity;
@@ -75,6 +76,7 @@ public class HorseShoeItem extends HeavyProjectileItem {
     @Override
     protected PhysicsBodyProjectileEntity createProjectile(ItemStack stack, World world, @Nullable PlayerEntity player) {
         PhysicsBodyProjectileEntity projectile = super.createProjectile(stack, world, player);
+        projectile.setDamageType(UDamageTypes.HORSESHOE);
 
         float degradation = (stack.getDamage() / (float)stack.getMaxDamage());
 

src/main/java/com/minelittlepony/unicopia/projectile/PhysicsBodyProjectileEntity.java

@@ -1,5 +1,7 @@
 package com.minelittlepony.unicopia.projectile;
 
+import java.util.Optional;
+
 import org.jetbrains.annotations.Nullable;
 
 import com.minelittlepony.unicopia.USounds;
@@ -19,6 +21,7 @@ import net.minecraft.entity.LivingEntity;
 import net.minecraft.entity.MovementType;
 import net.minecraft.entity.damage.DamageSource;
 import net.minecraft.entity.damage.DamageSources;
+import net.minecraft.entity.damage.DamageType;
 import net.minecraft.entity.data.DataTracker;
 import net.minecraft.entity.data.TrackedData;
 import net.minecraft.entity.data.TrackedDataHandlerRegistry;
@@ -27,9 +30,13 @@ import net.minecraft.entity.projectile.PersistentProjectileEntity;
 import net.minecraft.inventory.Inventory;
 import net.minecraft.item.ItemStack;
 import net.minecraft.nbt.NbtCompound;
+import net.minecraft.nbt.NbtElement;
+import net.minecraft.registry.RegistryKey;
+import net.minecraft.registry.RegistryKeys;
 import net.minecraft.registry.tag.BlockTags;
 import net.minecraft.sound.SoundCategory;
 import net.minecraft.sound.SoundEvent;
+import net.minecraft.util.Identifier;
 import net.minecraft.util.hit.BlockHitResult;
 import net.minecraft.util.hit.EntityHitResult;
 import net.minecraft.util.math.BlockPos;
@@ -46,6 +53,8 @@ public class PhysicsBodyProjectileEntity extends PersistentProjectileEntity impl
 
     private int inWaterTime;
 
+    private RegistryKey<DamageType> damageType = UDamageTypes.ROCK;
+
     public PhysicsBodyProjectileEntity(EntityType<PhysicsBodyProjectileEntity> type, World world) {
         super(type, world);
     }
@@ -74,6 +83,10 @@ public class PhysicsBodyProjectileEntity extends PersistentProjectileEntity impl
         return getDataTracker().get(ITEM);
     }
 
+    public void setDamageType(RegistryKey<DamageType> damageType) {
+        this.damageType = damageType;
+    }
+
     @Override
     protected ItemStack asItemStack() {
         return getStack();
@@ -149,7 +162,7 @@ public class PhysicsBodyProjectileEntity extends PersistentProjectileEntity impl
         return new DamageSources(getWorld().getRegistryManager()) {
             @Override
             public DamageSource arrow(PersistentProjectileEntity source, @Nullable Entity attacker) {
-                return create(UDamageTypes.ROCK, source, attacker);
+                return create(damageType, source, attacker);
             }
         };
     }
@@ -262,11 +275,17 @@ public class PhysicsBodyProjectileEntity extends PersistentProjectileEntity impl
         if (!stack.isEmpty()) {
             nbt.put("Item", stack.writeNbt(new NbtCompound()));
         }
+        nbt.putString("damageType", damageType.getValue().toString());
     }
 
     @Override
     public void readCustomDataFromNbt(NbtCompound nbt) {
         super.readCustomDataFromNbt(nbt);
         setStack(ItemStack.fromNbt(nbt.getCompound("Item")));
+        if (nbt.contains("damageType", NbtElement.STRING_TYPE)) {
+            Optional.ofNullable(Identifier.tryParse(nbt.getString("damageType"))).ifPresent(id -> {
+                setDamageType(RegistryKey.of(RegistryKeys.DAMAGE_TYPE, id));
+            });
+        }
     }
 }

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

@@ -993,6 +993,10 @@
   "death.attack.unicopia.rock.self": "%1$s was pummeled",
   "death.attack.unicopia.rock.item": "%1$s was pummelled by %2$s using %3$s",
   "death.attack.unicopia.rock.player": "%1$s was pummelled by %2$s",
+  "death.attack.unicopia.horseshoe": "%1$s went ding",
+  "death.attack.unicopia.horseshoe.self": "%1$s dinged himself",
+  "death.attack.unicopia.horseshoe.item": "%1$s was dinged by %2$s using %3$s",
+  "death.attack.unicopia.horseshoe.player": "%1$s was dinged by %2$s",
 
   "death.fell.accident.ladder.pegasus": "%1$s forgot they could fly and fell off a ladder",
   "death.fell.accident.vines.pegasus": "%1$s forgot they could fly and fell off some vines",
@@ -1158,7 +1162,9 @@
   "advancements.unicopia.earth_route.title": "Path of the Pony",
   "advancements.unicopia.earth_route.description": "Join the Apple Clan",
   "advancements.unicopia.sticks_and_stones.title": "Sticks and Stones",
-  "advancements.unicopia.sticks_and_stones.description": "Kill an mob by throwing rocks at it",
+  "advancements.unicopia.sticks_and_stones.description": "Kill a mob by throwing rocks at it",
+  "advancements.unicopia.dead_ringer.title": "Dead Ringer",
+  "advancements.unicopia.dead_ringer.description": "Kill a mob with a horseshoe",
   "advancements.unicopia.born_on_a_rock_farm.title": "Born on a Rock Farm",
   "advancements.unicopia.born_on_a_rock_farm.description": "Successfully farm your first rock",
   "advancements.unicopia.thats_unusual.title": "That's Unusual",

src/main/resources/data/unicopia/advancements/unicopia/earth/dead_ringer.json

@@ -0,0 +1,36 @@
+{
+  "parent": "unicopia:unicopia/earth/born_on_a_rock_farm",
+  "display": {
+    "icon": {
+      "item": "unicopia:rock"
+    },
+    "title": {
+      "translate": "advancements.unicopia.sticks_and_stones.title"
+    },
+    "description": {
+      "translate": "advancements.unicopia.sticks_and_stones.description"
+    },
+    "frame": "task",
+    "show_toast": true,
+    "announce_to_chat": true,
+    "hidden": true
+  },
+  "criteria": {
+    "killed_entity_with_rock": {
+      "trigger": "minecraft:player_killed_entity",
+      "conditions": {
+        "killing_blow": {
+          "tags": [
+            {
+              "id": "unicopia:from_rocks",
+              "expected": true
+            }
+          ]
+        }
+      }
+    }
+  },
+  "requirements": [
+    [ "killed_entity_with_rock" ]
+  ]
+}

src/main/resources/data/unicopia/advancements/unicopia/earth/sticks_and_stones.json

@@ -2,13 +2,13 @@
   "parent": "unicopia:unicopia/earth/born_on_a_rock_farm",
   "display": {
     "icon": {
-      "item": "unicopia:rock"
+      "item": "unicopia:horseshoe"
     },
     "title": {
-      "translate": "advancements.unicopia.sticks_and_stones.title"
+      "translate": "advancements.unicopia.dead_ringer.title"
     },
     "description": {
-      "translate": "advancements.unicopia.sticks_and_stones.description"
+      "translate": "advancements.unicopia.dead_ringer.description"
     },
     "frame": "task",
     "show_toast": true,
@@ -16,13 +16,13 @@
     "hidden": true
   },
   "criteria": {
-    "killed_entity_with_rock": {
+    "killed_entity_with_horseshoe": {
       "trigger": "minecraft:player_killed_entity",
       "conditions": {
         "killing_blow": {
           "tags": [
             {
-              "id": "unicopia:from_rocks",
+              "id": "unicopia:from_horseshoes",
               "expected": true
             }
           ]
@@ -31,6 +31,6 @@
     }
   },
   "requirements": [
-    [ "killed_entity_with_rock" ]
+    [ "killed_entity_with_horseshoe" ]
   ]
 }

src/main/resources/data/unicopia/tags/damage_type/from_horseshoes.json

@@ -0,0 +1,6 @@
+{
+  "replace": false,
+  "values": [
+    "unicopia:horseshoe"
+  ]
+}