Add Ground Zero foliage pass

Scripts/verify_ground_zero_foliage.py

@@ -0,0 +1,52 @@
+import unreal
+
+
+MAP_PATH = "/Game/Agrarian/Maps/L_GroundZeroTerrain_Test"
+FOLIAGE_LABEL = "AGR_GroundZeroFoliage_FirstPass"
+EXPECTED_COUNTS = {
+    "trees": 42,
+    "shrubs": 96,
+    "grass": 180,
+}
+
+
+def get_actor_label(actor):
+    try:
+        return actor.get_actor_label()
+    except Exception:
+        return actor.get_name()
+
+
+def main():
+    if not unreal.EditorLevelLibrary.load_level(MAP_PATH):
+        raise RuntimeError(f"Could not load map: {MAP_PATH}")
+
+    actors = unreal.EditorLevelLibrary.get_all_level_actors()
+    foliage_actors = [actor for actor in actors if get_actor_label(actor) == FOLIAGE_LABEL]
+    if len(foliage_actors) != 1:
+        raise RuntimeError(f"Expected exactly one {FOLIAGE_LABEL}, found {len(foliage_actors)}")
+
+    foliage = foliage_actors[0]
+    actual_counts = {
+        "trees": foliage.get_tree_instance_count(),
+        "shrubs": foliage.get_shrub_instance_count(),
+        "grass": foliage.get_grass_instance_count(),
+    }
+
+    failures = [
+        f"{kind} expected {expected}, got {actual_counts[kind]}"
+        for kind, expected in EXPECTED_COUNTS.items()
+        if actual_counts[kind] != expected
+    ]
+    if failures:
+        raise RuntimeError("Ground Zero foliage verification failed: " + "; ".join(failures))
+
+    unreal.log(
+        "Ground Zero foliage verification complete: "
+        f"{actual_counts['trees']} trees, "
+        f"{actual_counts['shrubs']} shrubs, "
+        f"{actual_counts['grass']} grass clumps."
+    )
+
+
+main()