Add chipper ore generation and player milk interaction features

src/main/java/net/Chipperfluff/chipi/server/ChipiServerEvents.java

@@ -33,6 +33,44 @@ public final class ChipiServerEvents {
     private ChipiServerEvents() {}
 
     public static void register() {
+BiomeModifications.addFeature(
+            BiomeSelectors.foundInOverworld(),
+            GenerationStep.Feature.UNDERGROUND_ORES,
+            RegistryKey.of(
+                RegistryKeys.PLACED_FEATURE,
+                new Identifier("chipi", "chipper_ore")
+            )
+        );
+
+        // ===== PLAYER MILK INTERACTION =====
+        UseEntityCallback.EVENT.register((player, world, hand, entity, hitResult) -> {
+            if (world.isClient()) return ActionResult.PASS;
+
+            if (!(entity instanceof PlayerEntity target)) return ActionResult.PASS;
+            if (target == player) return ActionResult.FAIL;
+
+            ItemStack stack = player.getStackInHand(hand);
+            if (!stack.isOf(Items.BUCKET)) return ActionResult.PASS;
+
+            stack.decrement(1);
+
+            ItemStack milk = new ItemStack(ModItems.PLAYER_MILK);
+            if (!player.getInventory().insertStack(milk)) {
+                player.dropItem(milk, false);
+            }
+
+            world.playSound(
+                null,
+                player.getBlockPos(),
+                SoundEvents.ENTITY_COW_MILK,
+                SoundCategory.PLAYERS,
+                1.0f,
+                1.1f
+            );
+
+            return ActionResult.SUCCESS;
+        });
+
         ServerLifecycleEvents.SERVER_STARTED.register(server -> SERVER = server);
         ServerTickEvents.END_SERVER_TICK.register(ChipiServerEvents::tickPlayers);
         ServerTickEvents.END_WORLD_TICK.register(ChipiServerEvents::handleVoidFailsafe);

src/main/resources/data/chipi/worldgen/biome_modifier/chipper_ore.json

@@ -1,6 +1,6 @@
 {
   "type": "fabric:add_features",
-  "biomes": "minecraft:overworld",
+  "biomes": "#minecraft:is_overworld",
   "features": [
     "chipi:chipper_ore"
   ],

src/main/resources/data/chipi/worldgen/configured_feature/chipper_ore.json

@@ -1,8 +1,8 @@
 {
   "type": "minecraft:ore",
   "config": {
-    "size": 5,
-    "discard_chance_on_air_exposure": 0.0,
+    "size": 10,
+    "discard_chance_on_air_exposure": 0.4,
     "targets": [
       {
         "target": {

src/main/resources/data/chipi/worldgen/placed_feature/chipper_ore.json

@@ -12,12 +12,8 @@
       "type": "minecraft:height_range",
       "height": {
         "type": "minecraft:uniform",
-        "min_inclusive": {
-          "absolute": 40
-        },
-        "max_inclusive": {
-          "absolute": 64
-        }
+        "min_inclusive": { "absolute": -24 },
+        "max_inclusive": { "absolute": 56 }
       }
     },
     {