diff --git a/maidroid_core_morefarming.lua b/maidroid_core_morefarming.lua
index d9b08bc..4825b81 100644
--- a/maidroid_core_morefarming.lua
+++ b/maidroid_core_morefarming.lua
@@ -134,8 +134,8 @@ local walk_randomly, walk_to_plant_and_mow_common, plant, mow
 local to_walk_randomly, to_walk_to_plant, to_walk_to_mow, to_plant, to_mow
 
 local function on_start(self)
-	self.object:setacceleration{x = 0, y = -10, z = 0}
-	self.object:setvelocity{x = 0, y = 0, z = 0}
+	self.object:set_acceleration{x = 0, y = -10, z = 0}
+	self.object:set_velocity{x = 0, y = 0, z = 0}
 	self.state = state.WALK_RANDOMLY
 	self.time_counters = {}
 	self.path = nil
@@ -143,7 +143,7 @@ local function on_start(self)
 end
 
 local function on_stop(self)
-	self.object:setvelocity{x = 0, y = 0, z = 0}
+	self.object:set_velocity{x = 0, y = 0, z = 0}
 	self.state = nil
 	self.time_counters = nil
 	self.path = nil
@@ -151,7 +151,7 @@ local function on_stop(self)
 end
 
 local function is_near(self, pos, distance)
-	local p = self.object:getpos()
+	local p = self.object:get_pos()
 	-- p.y = p.y + 0.5
 	return vector.distance(p, pos) < distance
 end
@@ -166,9 +166,9 @@ walk_randomly = function(self, dtime)
 		local wield_stack = self:get_wield_item_stack()
 		if minetest.get_item_group(wield_stack:get_name(), "seed") > 0
 		or self:has_item_in_main(function(itemname)	return (minetest.get_item_group(itemname, "seed") > 0) end) then
-			local destination = _aux.search_surrounding(self.object:getpos(), is_plantable_place, searching_range)
+			local destination = _aux.search_surrounding(self.object:get_pos(), is_plantable_place, searching_range)
 			if destination ~= nil then
-				local path = minetest.find_path(self.object:getpos(), destination, 10, 1, 1, "A*")
+				local path = minetest.find_path(self.object:get_pos(), destination, 10, 1, 1, "A*")
 
 				if path ~= nil then -- to walk to plant state.
 					to_walk_to_plant(self, path, destination)
@@ -177,9 +177,9 @@ walk_randomly = function(self, dtime)
 			end
 		end
 		-- if couldn't find path to plant, try to mow.
-		local destination = _aux.search_surrounding(self.object:getpos(), is_mowable_place, searching_range)
+		local destination = _aux.search_surrounding(self.object:get_pos(), is_mowable_place, searching_range)
 		if destination ~= nil then
-			local path = minetest.find_path(self.object:getpos(), destination, 10, 1, 1, "A*")
+			local path = minetest.find_path(self.object:get_pos(), destination, 10, 1, 1, "A*")
 			if path ~= nil then -- to walk to mow state.
 				to_walk_to_mow(self, path, destination)
 				return
@@ -197,7 +197,7 @@ walk_randomly = function(self, dtime)
 		self.time_counters[1] = self.time_counters[1] + 1
 		self.time_counters[2] = self.time_counters[2] + 1
 
-		local velocity = self.object:getvelocity()
+		local velocity = self.object:get_velocity()
 		if velocity.y == 0 then
 			local front_node = self:get_front_node()
 
@@ -207,7 +207,7 @@ walk_randomly = function(self, dtime)
 			
 --			elseif front_node.name ~= "air" and minetest.registered_nodes[front_node.name] ~= nil
 --			and minetest.registered_nodes[front_node.name].walkable then
---				self.object:setvelocity{x = velocity.x, y = 6, z = velocity.z}
+--				self.object:set_velocity{x = velocity.x, y = 6, z = velocity.z}
 			end
 		end
 		return
@@ -248,9 +248,9 @@ to_plant = function(self)
 	or self:move_main_to_wield(function(itemname)	return (minetest.get_item_group(itemname, "seed") > 0) end) then
 		self.state = state.PLANT
 		self.time_counters[1] = 0
-		self.object:setvelocity{x = 0, y = 0, z = 0}
+		self.object:set_velocity{x = 0, y = 0, z = 0}
 		self:set_animation(maidroid.animation_frames.MINE)
-		self:set_yaw_by_direction(vector.subtract(self.destination, self.object:getpos()))
+		self:set_yaw_by_direction(vector.subtract(self.destination, self.object:get_pos()))
 		return
 	else
 		to_walk_randomly(self)
@@ -261,9 +261,9 @@ end
 to_mow = function(self)
 	self.state = state.MOW
 	self.time_counters[1] = 0
-	self.object:setvelocity{x = 0, y = 0, z = 0}
+	self.object:set_velocity{x = 0, y = 0, z = 0}
 	self:set_animation(maidroid.animation_frames.MINE)
-	self:set_yaw_by_direction(vector.subtract(self.destination, self.object:getpos()))
+	self:set_yaw_by_direction(vector.subtract(self.destination, self.object:get_pos()))
 end
 
 walk_to_plant_and_mow_common = function(self, dtime)
@@ -287,7 +287,7 @@ walk_to_plant_and_mow_common = function(self, dtime)
 
 	if self.time_counters[1] >= FIND_PATH_TIME_INTERVAL then
 		self.time_counters[1] = 0
-		local path = minetest.find_path(self.object:getpos(), self.destination, 10, 1, 1, "A*")
+		local path = minetest.find_path(self.object:get_pos(), self.destination, 10, 1, 1, "A*")
 		if path == nil then
 			to_walk_randomly(self)
 			return
@@ -313,13 +313,13 @@ walk_to_plant_and_mow_common = function(self, dtime)
 
 --	else
 --		-- if maidroid is stopped by obstacles, the maidroid must jump.
---		local velocity = self.object:getvelocity()
+--		local velocity = self.object:get_velocity()
 --		if velocity.y == 0 then
 --			local front_node = self:get_front_node()
 --			if front_node.name ~= "air" and minetest.registered_nodes[front_node.name] ~= nil
 --			and minetest.registered_nodes[front_node.name].walkable
 --			and not (minetest.get_item_group(front_node.name, "fence") > 0) then
---				self.object:setvelocity{x = velocity.x, y = 6, z = velocity.z}
+--				self.object:set_velocity{x = velocity.x, y = 6, z = velocity.z}
 --			end
 --		end
 	end