Add wall knob (with placeholder textures and nodebox for now, but fully functional)

init.lua

@@ -7,7 +7,7 @@ local components = {
 	"light",
 	"noteblock",
 	"camera",
-	"button",
+	"switches",
 	"panel",
 	"piezo",
 	"detector",

switches.lua

@@ -177,3 +177,100 @@ minetest.register_craft({
 		{"digilines:wire_std_00000000"}
 	}
 })
+
+minetest.register_node("digistuff:wall_knob", {
+	tiles = {
+	"digistuff_digibutton_sides.png",
+	},
+	paramtype = "light",
+	paramtype2 = "facedir",
+	walkable = false,
+	sunlight_propagates = true,
+	digiline = 
+	{
+		receptor = {},
+		wire = {
+			rules = digistuff.button_get_rules,
+		},
+	},
+	drawtype = "nodebox",
+	node_box = {
+		type = "fixed",
+		fixed = {-0.2,-0.2,0.4,0.2,0.2,0.5,},
+	},
+	groups = {dig_immediate = 2,digiline_receiver = 1,},
+	description = "Digilines Wall Knob",
+	on_construct = function(pos)
+		local meta = minetest.get_meta(pos)
+		meta:set_int("min",0)
+		meta:set_int("max",14)
+		meta:set_string("formspec","size[8,4;]field[1,1;6,2;channel;Channel;${channel}]field[1,2;3,2;min;Minimum;${min}]field[4,2;3,2;max;Maximum;${max}]button_exit[2.25,3;3,1;submit;Save]")
+	end,
+	after_place_node = digistuff.place_receiver,
+	after_destruct = digistuff.remove_receiver,
+	on_receive_fields = function(pos, formname, fields, sender)
+		local meta = minetest.get_meta(pos)
+		if fields.channel and fields.channel ~= "" then
+			if tonumber(fields.min) and tonumber(fields.max) and math.floor(fields.min) < math.floor(fields.max) then
+				meta:set_string("channel",fields.channel)
+				meta:set_int("min",math.floor(tonumber(fields.min)))
+				meta:set_int("max",math.floor(tonumber(fields.max)))
+				meta:set_int("value",math.floor(tonumber(fields.min)))
+				meta:set_string("infotext",string.format("Current setting: %d\nLeft-click to turn up or right-click to turn down",math.floor(tonumber(fields.min))))
+				meta:set_string("formspec","")
+				minetest.swap_node(pos, {name = "digistuff:wall_knob_configured", param2=minetest.get_node(pos).param2})
+			else
+				minetest.chat_send_player(sender:get_player_name(),"Minimum and maximum must both be numbers, and maximum must be greater than minimum")
+			end
+		else
+			minetest.chat_send_player(sender:get_player_name(),"Please set a channel!")
+		end
+	end,
+	sounds = default and default.node_sound_stone_defaults(),
+})
+
+minetest.register_node("digistuff:wall_knob_configured", {
+	tiles = {
+	"digistuff_digibutton_sides.png",
+	},
+	paramtype = "light",
+	paramtype2 = "facedir",
+	walkable = false,
+	sunlight_propagates = true,
+	digiline = 
+	{
+		receptor = {},
+		wire = {
+			rules = digistuff.button_get_rules,
+		},
+	},
+	drawtype = "nodebox",
+	node_box = {
+		type = "fixed",
+		fixed = {-0.2,-0.2,0.4,0.2,0.2,0.5,},
+	},
+	groups = {dig_immediate = 2,digiline_receiver = 1,not_in_creative_inventory = 1,},
+	description = "Digilines Wall Knob (configured state - you hacker you!)",
+	drop = "digistuff:wall_knob",
+	after_place_node = digistuff.place_receiver,
+	after_destruct = digistuff.remove_receiver,
+	on_punch = function(pos,node)
+		local meta = minetest.get_meta(pos)
+		local max = meta:get_int("max")
+		local value = meta:get_int("value")
+		value = math.min(max,value+1)
+		meta:set_int("value",value)
+		meta:set_string("infotext",string.format("Current setting: %d\nLeft-click to turn up or right-click to turn down",math.floor(tonumber(value))))
+		digiline:receptor_send(pos,digistuff.button_get_rules(node),meta:get_string("channel"),value)
+	end,
+	on_rightclick = function(pos,node)
+		local meta = minetest.get_meta(pos)
+		local min = meta:get_int("min")
+		local value = meta:get_int("value")
+		value = math.max(min,value-1)
+		meta:set_int("value",value)
+		meta:set_string("infotext",string.format("Current setting: %d\nLeft-click to turn up or right-click to turn down",math.floor(tonumber(value))))
+		digiline:receptor_send(pos,digistuff.button_get_rules(node),meta:get_string("channel"),value)
+	end,
+	sounds = default and default.node_sound_stone_defaults(),
+})