WIP checkpoint: Review: Address review feedback: Implement chunk streaming system in GDScript

test_review.gd

@@ -0,0 +1,30 @@
+extends SceneTree
+
+func _init() -> void:
+	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 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))")
+
+	quit()