Recovered orphaned WIP before switching to a new task

test_review.gd

@@ -1,30 +1,22 @@
 extends SceneTree
 
 func _init() -> void:
+	# 1. float32 encode/decode
+	var b: PackedByteArray = ChunkDataDecoder._write_float32(0.5)
+	print("float32(0.5) bytes = ", b, " (expected 00 00 00 3f)")
+	var decoded_f: float = ChunkDataDecoder._read_float32(PackedByteArray([0x00, 0x00, 0x00, 0x3f]), 0)
+	print("read_float32 of 0x3f000000 = ", decoded_f, " (expected 0.5)")
+
+	# 2. metadata section wrapping: inspect first bytes of encoded payload
 	var payload: ChunkDataDecoder.ChunkPayload = ChunkDataDecoder.ChunkPayload.new()
 	payload.world_id = "w"
 	payload.room_id = "r"
 	payload.coord = Vector3i(1, 2, 3)
-	payload.bounds = AABB(Vector3(0.5, 1.5, 2.5), Vector3(32, 32, 1))
+	var meta: PackedByteArray = ChunkDataDecoder._build_metadata_section(payload)
-
+	print("metadata section first 12 bytes = ", meta.slice(0, 12))
-	var bytes: PackedByteArray = ChunkDataDecoder.encode_binary(payload)
-	var decoded: ChunkDataDecoder.ChunkPayload = ChunkDataDecoder.decode_binary(bytes)
-
-	print("roundtrip bounds.position = ", decoded.bounds.position, "  (expected (0.5, 1.5, 2.5))")
-	print("roundtrip coord = ", decoded.coord, "  (expected (1, 2, 3))")
-	print("format_version present? -> ", decoded.get("format_version"))
-	print("version field -> ", decoded.version)
-
-	# Test an object with a fractional rotation quaternion component.
-	var obj: ChunkDataDecoder.WorldObjectData = ChunkDataDecoder.WorldObjectData.new()
-	obj.position = Vector3(10.5, -3.25, 0.0)
-	obj.rotation = Vector4(0.707, 0.0, 0.0, 0.707)
-	var obj_bytes: PackedByteArray = ChunkDataDecoder._build_object_section(obj)
-	# build_object_section wraps in a section header; parse it back
-	var p2: ChunkDataDecoder.ChunkPayload = ChunkDataDecoder.ChunkPayload.new()
-	ChunkDataDecoder._parse_object_section(obj_bytes.slice(5), p2)
-	var parsed: ChunkDataDecoder.WorldObjectData = p2.objects[0]
-	print("object position roundtrip = ", parsed.position, "  (expected (10.5, -3.25, 0))")
-	print("object rotation roundtrip = ", parsed.rotation, "  (expected (0.707, 0, 0, 0.707))")
 
+	# 3. properties parse with empty-ish string
+	var props_str := "{}"
+	var val = JSON.parse_string(props_str) or {}
+	print("'JSON.parse_string(props_str) or {{}}' type = ", typeof(val), " value = ", val)
 	quit()