Add an advancement for killing a mob with a rock

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

@@ -29,6 +29,7 @@ public interface UDamageTypes {
     RegistryKey<DamageType> SUN = register("sun");
     RegistryKey<DamageType> SUNLIGHT = register("sunlight");
     RegistryKey<DamageType> PETRIFIED = register("petrified");
+    RegistryKey<DamageType> ROCK = register("rock");
 
     private static RegistryKey<DamageType> register(String name) {
         var key = RegistryKey.of(RegistryKeys.DAMAGE_TYPE, Unicopia.id(name));

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

@@ -5,6 +5,7 @@ import org.jetbrains.annotations.Nullable;
 import com.minelittlepony.unicopia.USounds;
 import com.minelittlepony.unicopia.UTags;
 import com.minelittlepony.unicopia.ability.magic.Caster;
+import com.minelittlepony.unicopia.entity.damage.UDamageTypes;
 import com.minelittlepony.unicopia.entity.mob.UEntities;
 
 import net.minecraft.block.BlockState;
@@ -12,10 +13,13 @@ import net.minecraft.block.ButtonBlock;
 import net.minecraft.block.HopperBlock;
 import net.minecraft.block.LeverBlock;
 import net.minecraft.block.entity.BlockEntity;
+import net.minecraft.entity.Entity;
 import net.minecraft.entity.EntityType;
 import net.minecraft.entity.FlyingItemEntity;
 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.data.DataTracker;
 import net.minecraft.entity.data.TrackedData;
 import net.minecraft.entity.data.TrackedDataHandlerRegistry;
@@ -131,6 +135,16 @@ public class PhysicsBodyProjectileEntity extends PersistentProjectileEntity impl
         super.onEntityHit(hit);
     }
 
+    @Override
+    public DamageSources getDamageSources() {
+        return new DamageSources(getWorld().getRegistryManager()) {
+            @Override
+            public DamageSource arrow(PersistentProjectileEntity source, @Nullable Entity attacker) {
+                return create(UDamageTypes.ROCK, source, attacker);
+            }
+        };
+    }
+
     @Override
     protected void onBlockHit(BlockHitResult hit) {
         BlockPos buttonPos = hit.getBlockPos().offset(hit.getSide());

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

@@ -734,6 +734,9 @@
   "death.attack.unicopia.steamroller.player": "%2$s steamrolled %1$s",
   "death.attack.unicopia.stalagmite.pegasus": "%1$s tried to perch on a stalagmite",
   "death.attack.unicopia.stalagmite.pegasus.player": "%1$s flew into a stalagmite whilst fighting %2$s",
+  "death.attack.unicopia.rock": "%1$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.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",
@@ -879,6 +882,8 @@
 
   "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.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/sticks_and_stones.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/tags/damage_type/from_rocks.json

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