minetest.register_node("testing:panel_sand_bottom", {
		description = description,
		drawtype = "nodebox",
		tiles = {"default_sand.png"},
		paramtype = "light",
		paramtype2 = "facedir",
		pointable = true,
		buildable_to = true,
		is_ground_content = false,
		sunlight_propagates = sunlight,
		groups = {dig_immediate=3, crumbly=3, falling_node=1, sand=1},
		sounds = default.node_sound_sand_defaults(),
		drop = "",
		node_box = {
			type = "fixed",
			fixed = {-0.5, -0.5, 0, 0.5, 0, 0.5},
		},
	})

minetest.register_abm(
   {nodenames = {"default:sand"},
   interval = 2,
   chance = 1,
   action = function(pos)
      local x1 = minetest.get_node({x = pos.x + 1, y = pos.y, z = pos.z})
	  local x1b = minetest.get_node({x = pos.x + 1, y = pos.y - 1, z = pos.z})
	  local x1bd = minetest.registered_nodes[x1b.name]
	        local x2 = minetest.get_node({x = pos.x - 1, y = pos.y, z = pos.z})
			local x2b = minetest.get_node({x = pos.x - 1, y = pos.y - 1, z = pos.z})
			local x2bd = minetest.registered_nodes[x2b.name]
			      local z1 = minetest.get_node({x = pos.x, y = pos.y, z = pos.z + 1})
				  local z1b = minetest.get_node({x = pos.x, y = pos.y - 1, z = pos.z + 1})
				  local z1bd = minetest.registered_nodes[z1b.name]
				        local z2 = minetest.get_node({x = pos.x, y = pos.y, z = pos.z - 1})
						local z2b = minetest.get_node({x = pos.x, y = pos.y - 1, z = pos.z - 1})
						local z2bd = minetest.registered_nodes[z2b.name]

							local below = minetest.get_node({x = pos.x, y = pos.y - 1, z = pos.z})
      if x1.name == "air"
	  	  and below.name ~= "air"
				and x1bd.drawtype == "normal"
				and	x1b.name ~= "air"
				then
	  	print(dump(nodef))
        minetest.set_node({x = pos.x + 1, y = pos.y, z = pos.z}, {name = "testing:panel_sand_bottom",param2 = 3})
      end
	        if x2.name == "air"
	  	  and below.name ~= "air"
				and x2bd.drawtype == "normal"
				and	x2b.name ~= "air"
				then
        minetest.set_node({x = pos.x - 1, y = pos.y, z = pos.z}, {name = "testing:panel_sand_bottom",param2 = 1})
      end

	        if z1.name == "air"
	  	  and below.name ~= "air"
				and z1bd.drawtype == "normal"
				and	z1b.name ~= "air"
				then
        minetest.set_node({x = pos.x, y = pos.y, z = pos.z + 1}, {name = "testing:panel_sand_bottom",param2 = 2})
      end
	        if z2.name == "air"
	  	  and below.name ~= "air"
				and z2bd.drawtype == "normal"
				and	z2b.name ~= "air"
				then
        minetest.set_node({x = pos.x, y = pos.y, z = pos.z - 1}, {name = "testing:panel_sand_bottom",param2 = 0})
      end
   end
})

	minetest.register_node("testing:panel_dirt_bottom", {
		description = description,
		drawtype = "nodebox",
		tiles = {"default_dirt.png"},
		paramtype = "light",
		paramtype2 = "facedir",
		pointable = true,
		buildable_to = true,
		is_ground_content = false,
		sunlight_propagates = sunlight,
		groups = {dig_immediate=3, crumbly=3, falling_node=1, dirt=1},
		sounds = default.node_sound_dirt_defaults(),
		drop = "",
		node_box = {
			type = "fixed",
			fixed = {-0.5, -0.5, 0, 0.5, 0, 0.5},
		},
	})

minetest.register_abm(
   {nodenames = {"default:dirt"},
   interval = 2,
   chance = 1,
   action = function(pos)
      local x1 = minetest.get_node({x = pos.x + 1, y = pos.y, z = pos.z})
	  local x1b = minetest.get_node({x = pos.x + 1, y = pos.y - 1, z = pos.z})
	  local x1bd = minetest.registered_nodes[x1b.name]
	        local x2 = minetest.get_node({x = pos.x - 1, y = pos.y, z = pos.z})
			local x2b = minetest.get_node({x = pos.x - 1, y = pos.y - 1, z = pos.z})
			local x2bd = minetest.registered_nodes[x2b.name]
			      local z1 = minetest.get_node({x = pos.x, y = pos.y, z = pos.z + 1})
				  local z1b = minetest.get_node({x = pos.x, y = pos.y - 1, z = pos.z + 1})
				  local z1bd = minetest.registered_nodes[z1b.name]
				        local z2 = minetest.get_node({x = pos.x, y = pos.y, z = pos.z - 1})
						local z2b = minetest.get_node({x = pos.x, y = pos.y - 1, z = pos.z - 1})
						local z2bd = minetest.registered_nodes[z2b.name]

							local below = minetest.get_node({x = pos.x, y = pos.y - 1, z = pos.z})
      if x1.name == "air"
	  	  and below.name ~= "air"
				and x1bd.drawtype == "normal"
				and	x1b.name ~= "air"
				then
	  	print(dump(nodef))
        minetest.set_node({x = pos.x + 1, y = pos.y, z = pos.z}, {name = "testing:panel_dirt_bottom",param2 = 3})
      end
	        if x2.name == "air"
	  	  and below.name ~= "air"
				and x2bd.drawtype == "normal"
				and	x2b.name ~= "air"
				then
        minetest.set_node({x = pos.x - 1, y = pos.y, z = pos.z}, {name = "testing:panel_dirt_bottom",param2 = 1})
      end

	        if z1.name == "air"
	  	  and below.name ~= "air"
				and z1bd.drawtype == "normal"
				and	z1b.name ~= "air"
				then
        minetest.set_node({x = pos.x, y = pos.y, z = pos.z + 1}, {name = "testing:panel_dirt_bottom",param2 = 2})
      end
	        if z2.name == "air"
	  	  and below.name ~= "air"
				and z2bd.drawtype == "normal"
				and	z2b.name ~= "air"
				then
        minetest.set_node({x = pos.x, y = pos.y, z = pos.z - 1}, {name = "testing:panel_dirt_bottom",param2 = 0})
      end
   end
})

	minetest.register_node("testing:panel_dirt_with_grass_bottom", {
		description = description,
		drawtype = "nodebox",
		tiles = {"default_grass.png", "default_dirt.png", "default_dirt.png^default_grass_side.png"},
		paramtype = "light",
		paramtype2 = "facedir",
		pointable = true,
		buildable_to = true,
		is_ground_content = false,
		sunlight_propagates = sunlight,
		groups = {dig_immediate=3, crumbly=3, falling_node=1, dirt_with_grass=1},
		sounds = default.node_sound_dirt_defaults(),
		drop = "",
		node_box = {
			type = "fixed",
			fixed = {-0.5, -0.5, 0, 0.5, 0, 0.5},
		},
	})

minetest.register_abm(
   {nodenames = {"default:dirt_with_grass"},
   interval = 2,
   chance = 1,
   action = function(pos)
      local x1 = minetest.get_node({x = pos.x + 1, y = pos.y, z = pos.z})
	  local x1b = minetest.get_node({x = pos.x + 1, y = pos.y - 1, z = pos.z})
	  local x1bd = minetest.registered_nodes[x1b.name]
	        local x2 = minetest.get_node({x = pos.x - 1, y = pos.y, z = pos.z})
			local x2b = minetest.get_node({x = pos.x - 1, y = pos.y - 1, z = pos.z})
			local x2bd = minetest.registered_nodes[x2b.name]
			      local z1 = minetest.get_node({x = pos.x, y = pos.y, z = pos.z + 1})
				  local z1b = minetest.get_node({x = pos.x, y = pos.y - 1, z = pos.z + 1})
				  local z1bd = minetest.registered_nodes[z1b.name]
				        local z2 = minetest.get_node({x = pos.x, y = pos.y, z = pos.z - 1})
						local z2b = minetest.get_node({x = pos.x, y = pos.y - 1, z = pos.z - 1})
						local z2bd = minetest.registered_nodes[z2b.name]

							local below = minetest.get_node({x = pos.x, y = pos.y - 1, z = pos.z})
      if x1.name == "air"
	  	  and below.name ~= "air"
				and x1bd.drawtype == "normal"
				and	x1b.name ~= "air"
				then
	  	print(dump(nodef))
        minetest.set_node({x = pos.x + 1, y = pos.y, z = pos.z}, {name = "testing:panel_dirt_with_grass_bottom",param2 = 3})
      end
	        if x2.name == "air"
	  	  and below.name ~= "air"
				and x2bd.drawtype == "normal"
				and	x2b.name ~= "air"
				then
        minetest.set_node({x = pos.x - 1, y = pos.y, z = pos.z}, {name = "testing:panel_dirt_with_grass_bottom",param2 = 1})
      end

	        if z1.name == "air"
	  	  and below.name ~= "air"
				and z1bd.drawtype == "normal"
				and	z1b.name ~= "air"
				then
        minetest.set_node({x = pos.x, y = pos.y, z = pos.z + 1}, {name = "testing:panel_dirt_with_grass_bottom",param2 = 2})
      end
	        if z2.name == "air"
	  	  and below.name ~= "air"
				and z2bd.drawtype == "normal"
				and	z2b.name ~= "air"
				then
        minetest.set_node({x = pos.x, y = pos.y, z = pos.z - 1}, {name = "testing:panel_dirt_with_grass_bottom",param2 = 0})
      end
   end
})