extends SceneTree
## D4-Beweis (t_691b51ce): Map-Builder platziert 3 Military-Props auf dem Boden
## und zeigt ihre Kollisionsboxen (Drahtgitter aus registry `collision.size`).
##
##   xvfb-run -a /opt/data/home/bin/godot4 --rendering-driver opengl3 --path . \
##     --resolution 1600x900 -s res://tests/probe_d4_mapbuilder.gd
##
## Ausgabe: /tmp/d4_mapbuilder.png + Prüfzeilen (Modus == GLB, Fußpunkt y=0)

const MapDocument := preload("res://core/svmap/map_document.gd")

const PLATZ := [
	{"id": "barrel_001", "pos": [-2.2, 0.0, 0.0], "rot_y_deg": 0.0},
	{"id": "box_020", "pos": [0.6, 0.0, 0.6], "rot_y_deg": 25.0},
	{"id": "training_item_005", "pos": [3.6, 0.0, -0.6], "rot_y_deg": 180.0},
]


func _initialize() -> void:
	var manifest: Dictionary = JSON.parse_string(FileAccess.get_file_as_string("res://library/objects.json"))
	var doc: Dictionary = MapDocument.create_new("D4-Beweis", 256.0, "mittag")
	doc["objects"] = PLATZ

	var bauer: Node3D = load("res://src/viewport/map_view_builder.gd").new()
	root.add_child(bauer)
	await process_frame
	bauer.rebuild(doc, manifest)

	var lib: Dictionary = manifest.get("objects", {})
	var fehler: Array = []
	for i in PLATZ.size():
		var marker: Node3D = bauer.object_markers[i]
		if marker == null:
			fehler.append("%s: kein Marker" % PLATZ[i]["id"])
			continue
		var oid := str(PLATZ[i]["id"])
		var entry: Dictionary = lib.get(oid, {})
		if entry.is_empty():
			fehler.append("%s: nicht in der Bibliothek" % oid)
			continue
		var col: Dictionary = entry.get("collision", {})
		var groesse: Array = col.get("size", [0.0, 0.0, 0.0])
		# Kollisionsbox als Drahtgitter (Fußpunkt: Unterkante y=0).
		var box := MeshInstance3D.new()
		var bm := BoxMesh.new()
		bm.size = Vector3(float(groesse[0]), float(groesse[1]), float(groesse[2])) + Vector3(0.01, 0.01, 0.01)
		box.mesh = bm
		var mat := StandardMaterial3D.new()
		mat.shading_mode = BaseMaterial3D.SHADING_MODE_UNSHADED
		mat.albedo_color = Color(0.15, 1.0, 0.35, 0.28)
		mat.transparency = BaseMaterial3D.TRANSPARENCY_ALPHA
		mat.cull_mode = BaseMaterial3D.CULL_DISABLED
		mat.wireframe = true
		box.material_override = mat
		box.position = Vector3(0.0, float(groesse[1]) * 0.5, 0.0)
		marker.add_child(box)
		var echt := bool(marker.get_meta("glb"))
		var mi := marker.get_child(0) as MeshInstance3D
		var mesh_aabb := mi.mesh.get_aabb() if (mi != null and mi.mesh != null) else AABB()
		print("%s: ehctesGLB=%s  registry=%.3f/%.3f/%.3f  mesh_aabb=%.3f/%.3f/%.3f  mesh_min_y=%.3f"
				% [oid, str(echt), float(groesse[0]), float(groesse[1]), float(groesse[2]),
					mesh_aabb.size.x, mesh_aabb.size.y, mesh_aabb.size.z, mesh_aabb.position.y])
		if not echt:
			fehler.append("%s: rendert nur den Platzhalter (GLB fehlt)" % oid)

	var cam := Camera3D.new()
	cam.fov = 45.0
	cam.position = Vector3(4.5, 3.2, 7.5)
	root.add_child(cam)
	await process_frame
	cam.look_at(Vector3(0.6, 0.7, 0.0), Vector3.UP)
	cam.current = true
	cam.make_current()

	await process_frame
	await process_frame
	await RenderingServer.frame_post_draw
	root.get_texture().get_image().save_png("/tmp/d4_mapbuilder.png")
	for f in fehler:
		print("  FEHLER: %s" % f)
	print("PROBE_D4_MAPBUILDER_%s" % ("FAIL" if not fehler.is_empty() else "OK"))
	quit(1 if not fehler.is_empty() else 0)