Serialize model transform as 16-bit floats

sync_controller.gd

@@ -76,7 +76,8 @@ func sync_model_animation(
 
 	var uncompressed_buffer := buffer.decompress(uncompressed_length, FileAccess.COMPRESSION_ZSTD);
 	var stream := StreamBuffer.from_buffer(uncompressed_buffer)
-	model.transform = stream.read_transform32()
+
+	model.transform = stream.read_transform16()
 
 	# We skipped some bones, so reset the skipped ones to the rest pose.
 	var all_bones := {}
@@ -114,7 +115,7 @@ static func send_model_animation(module: copyMultiplayer) -> void:
 	var media_pipe = module.get_node("../MediaPipeController")
 	if (not model) or (not skeleton) or (not media_pipe): return
 
-	write_stream.write_transform32(model.transform)
+	write_stream.write_transform16(model.transform)
 
 	# Pre-filter any bones that are in rest pose.
 	var restless_bones := {}
@@ -127,9 +128,8 @@ static func send_model_animation(module: copyMultiplayer) -> void:
 
 	write_stream.write_uint8(restless_bones.size())
 	for bone_name in restless_bones:
-		var bone_pose: Transform3D = restless_bones[bone_name]
 		write_stream.write_uint8(module.bone_to_lookup[bone_name])
-		write_stream.write_bone_pose(bone_pose)
+		write_stream.write_bone_pose(restless_bones[bone_name])
 
 	# TODO: Only write non-default blendshapes. Anything missing = default.
 	var shape_dict: Dictionary = media_pipe.blend_shape_last_values