Add an advancement: A Falling Wizard

src/main/java/com/minelittlepony/unicopia/ability/UnicornTeleportAbility.java

@@ -8,6 +8,7 @@ import com.minelittlepony.unicopia.ability.data.Hit;
 import com.minelittlepony.unicopia.ability.data.Pos;
 import com.minelittlepony.unicopia.ability.magic.Caster;
 import com.minelittlepony.unicopia.ability.magic.spell.effect.SpellType;
+import com.minelittlepony.unicopia.advancement.UCriteria;
 import com.minelittlepony.unicopia.block.state.StatePredicate;
 import com.minelittlepony.unicopia.entity.Living;
 import com.minelittlepony.unicopia.entity.player.Pony;
@@ -163,16 +164,19 @@ public class UnicornTeleportAbility implements Ability<Pos> {
 
         Vec3d dest = destination.vec().add(offset);
 
-        participant.teleport(
+        dest = new Vec3d(dest.x, getTargetYPosition(participant.getEntityWorld(), BlockPos.ofFloored(dest), ShapeContext.of(participant)), dest.z);
-                dest.x,
+
-                getTargetYPosition(participant.getEntityWorld(), BlockPos.ofFloored(dest), ShapeContext.of(participant)),
+        participant.teleport(dest.x, dest.y, dest.z);
-                dest.z
-        );
         teleporter.subtractEnergyCost(distance);
 
         participant.fallDistance /= distance;
 
-        participant.getWorld().playSound(null, destination.pos(), USounds.ENTITY_PLAYER_UNICORN_TELEPORT, SoundCategory.PLAYERS, 1, 1);
+        BlockPos blockPos = BlockPos.ofFloored(dest);
+
+        participant.getWorld().playSound(null, blockPos, USounds.ENTITY_PLAYER_UNICORN_TELEPORT, SoundCategory.PLAYERS, 1, 1);
+        if (!participant.getEntityWorld().isInBuildLimit(blockPos)) {
+            UCriteria.TELEPORT_ABOVE_WORLD.trigger(teleporter.asEntity());
+        }
 
         return true;
     }

src/main/java/com/minelittlepony/unicopia/advancement/UCriteria.java

@@ -27,6 +27,7 @@ public interface UCriteria {
     CustomEventCriterion.Trigger POWER_UP_HEART = CUSTOM_EVENT.createTrigger("power_up_heart");
     CustomEventCriterion.Trigger SPLIT_SEA = CUSTOM_EVENT.createTrigger("split_sea");
     CustomEventCriterion.Trigger RIDE_BALLOON = CUSTOM_EVENT.createTrigger("ride_balloon");
+    CustomEventCriterion.Trigger TELEPORT_ABOVE_WORLD = CUSTOM_EVENT.createTrigger("teleport_above_world");
 
     static void bootstrap() { }
 }

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

@@ -1180,6 +1180,8 @@
   "advancements.unicopia.tempted.description": "Put on the alicorn amulet",
   "advancements.unicopia.hello_darkness_my_old_friend.title": "Hello Darkness...",
   "advancements.unicopia.hello_darkness_my_old_friend.description": "Delve further into the powers of the dark side",
+  "advancements.unicopia.a_falling_wizard.title": "A Falling Wizard",
+  "advancements.unicopia.a_falling_wizard.description": "A unicorn tried to perform an unsuccessful flying spell",
 
   "advancements.unicopia.split_the_sea.title": "Who are you? Moses?",
   "advancements.unicopia.split_the_sea.description": "Use magic to displace over 100 blocks of water in one go",

src/main/resources/data/unicopia/advancements/unicopia/unicorn/a_falling_wizard.json

@@ -0,0 +1,29 @@
+{
+  "parent": "unicopia:unicopia/unicorn/magical_route",
+  "display": {
+    "icon": {
+      "item": "unicopia:pegasus_amulet"
+    },
+    "title": {
+      "translate": "advancements.unicopia.a_falling_wizard.title"
+    },
+    "description": {
+      "translate": "advancements.unicopia.a_falling_wizard.description"
+    },
+    "frame": "challenge",
+    "show_toast": true,
+    "announce_to_chat": true,
+    "hidden": true
+  },
+  "criteria": {
+    "teleport_above_world": {
+      "trigger": "unicopia:custom",
+      "conditions": {
+        "event": "teleport_above_world"
+      }
+    }
+  },
+  "requirements": [
+    [ "teleport_above_world" ]
+  ]
+}