mesecons/mesecons_torch/init.lua

--MESECON TORCHES

minetest.register_craft({
    output = '"mesecons_torch:mesecon_torch_on" 4',
    recipe = {
        {"mesecons:mesecon_off"},
        {"default:stick"},
    }
})

minetest.register_node("mesecons_torch:mesecon_torch_off", {
    drawtype = "torchlike",
    tile_images = {"jeija_torches_off.png", "jeija_torches_off_ceiling.png", "jeija_torches_off_side.png"},
    inventory_image = "jeija_torches_off.png",
    paramtype = "light",
    walkable = false,
    paramtype2 = "wallmounted",
    legacy_wallmounted = true,
    groups = {dig_immediate=2},
    drop = '"mesecons_torch:mesecon_torch_on" 1',
    description="Mesecon Torch",
})

minetest.register_node("mesecons_torch:mesecon_torch_on", {
    drawtype = "torchlike",
    tile_images = {"jeija_torches_on.png", "jeija_torches_on_ceiling.png", "jeija_torches_on_side.png"},
    inventory_image = "jeija_torches_on.png",
    wield_image = "jeija_torches_on.png",
    paramtype = "light",
    sunlight_propagates = true,
    walkable = false,
    paramtype2 = "wallmounted",
    legacy_wallmounted = true,
    groups = {dig_immediate=2},
    light_source = LIGHT_MAX-5,
    description="Mesecon Torch",
})

--[[minetest.register_on_placenode(function(pos, newnode, placer)
	if (newnode.name=="mesecons_torch:mesecon_torch_off" or newnode.name=="mesecons_torch:mesecon_torch_on")
	and (newnode.param2==8 or newnode.param2==4) then
		minetest.env:remove_node(pos)
		--minetest.env:add_item(pos, "'mesecons_torch:mesecon_torch_on' 1")
	end
end)]]

minetest.register_abm({
    nodenames = {"mesecons_torch:mesecon_torch_off","mesecons_torch:mesecon_torch_on"},
    interval = 0.1,
    chance = 1,
    action = function(pos, node, active_object_count, active_object_count_wider)
        local pa = {x=0, y=0, z=0}
	    --pa.y = 1
	    local rules_string=""

	    if node.param2 == 4 then
		    pa.z = -2
		    rules_string="mesecontorch_z+"
	    elseif node.param2 == 2 then
		    pa.x = -2
		    rules_string="mesecontorch_x+"
	    elseif node.param2 == 5 then
		    pa.z = 2
		    rules_string="mesecontorch_z-"
	    elseif node.param2 == 3 then
		    pa.x = 2
		    rules_string="mesecontorch_x-"
	    elseif node.param2 == 1 then
		    pa.y = 2
		    rules_string="mesecontorch_y-"
        elseif node.param2 == 0 then
		    pa.y = -2
		    rules_string="mesecontorch_y+"
        end
        local postc = {x=pos.x-pa.x, y=pos.y-pa.y, z=pos.z-pa.z}
        --print("Checking at "..dump(postc).." with "..rules_string)
        if mesecon:is_power_on(postc,0,0,0)==1 then
            if node.name ~= "mesecons_torch:mesecon_torch_off" then
                minetest.env:add_node(pos, {name="mesecons_torch:mesecon_torch_off",param2=node.param2})
                mesecon:receptor_off(pos, rules_string)
            end
        else
            if node.name ~= "mesecons_torch:mesecon_torch_on" then
                minetest.env:add_node(pos, {name="mesecons_torch:mesecon_torch_on",param2=node.param2})
                mesecon:receptor_on(pos, rules_string)
            end
        end
    end
})

minetest.register_on_dignode(
	function(pos, oldnode, digger)
		if oldnode.name == "mesecons_torch:mesecon_torch_on" then
			mesecon:receptor_off(pos)
		end	
	end
)

minetest.register_on_placenode(function(pos, node, placer)
	if node.name == "mesecons_torch:mesecon_torch_on" then
		local rules_string=""

		if node.param2 == 4 then
		    rules_string="mesecontorch_z+"
	    elseif node.param2 == 2 then
		    rules_string="mesecontorch_x+"
	    elseif node.param2 == 5 then
		    rules_string="mesecontorch_z-"
	    elseif node.param2 == 3 then
		    rules_string="mesecontorch_x-"
	    elseif node.param2 == 1 then
		    rules_string="mesecontorch_y-"
        elseif node.param2 == 0 then
		    rules_string="mesecontorch_y+"
        end
		
		mesecon:receptor_on(pos, rules_string)
	end
end)

mesecon:add_receptor_node("mesecons_torch:mesecon_torch_on")
mesecon:add_receptor_node_off("mesecons_torch:mesecon_torch_off")

-- Param2 Table (Block Attached To)
-- 5 = z-1
-- 3 = x-1
-- 4 = z+1
-- 2 = x+1
-- 0 = y+1
-- 1 = y-1