Add channel copier

camera.lua

@@ -11,6 +11,7 @@ minetest.register_node("digistuff:camera", {
 	{
 		receptor = {}
 	},
+	_digistuff_channelcopier_fieldname = "channel",
 	groups = {cracky=2},
 	paramtype = "light",
 	paramtype2 = "facedir",

cardreader.lua

@@ -58,6 +58,7 @@ minetest.register_node("digistuff:card_reader",{
 		local meta = minetest.get_meta(pos)
 		if fields.channel then meta:set_string("channel",fields.channel) end
 	end,
+	_digistuff_channelcopier_fieldname = "channel",
 	paramtype = "light",
 	paramtype2 = "facedir",
 	tiles = {

channelcopier.lua

@@ -0,0 +1,90 @@
+minetest.register_tool("digistuff:channelcopier",{
+	description = "Digilines Channel Copier (shift-click to copy, click to paste)",
+	inventory_image = "digistuff_channelcopier.png",
+	on_use = function(itemstack,player,pointed)
+		if not (pointed and pointed.under) then return itemstack end
+		if not (player and player:get_player_name()) then return end
+		local pos = pointed.under
+		local name = player:get_player_name()
+		local node = minetest.get_node(pos)
+		if not node then return itemstack end
+		if minetest.registered_nodes[node.name]._digistuff_channelcopier_fieldname then
+			if player:get_player_control().sneak then
+				local channel = minetest.get_meta(pointed.under):get_string(minetest.registered_nodes[node.name]._digistuff_channelcopier_fieldname)
+				if type(channel) == "string" and channel ~= "" then
+					local stackmeta = itemstack:get_meta()
+					stackmeta:set_string("channel",channel)
+					stackmeta:set_string("description","Digilines Channel Copier, set to: "..channel)
+					if player and player:get_player_name() then minetest.chat_send_player(player:get_player_name(),"Digilines channel copier set to "..minetest.colorize("#00FFFF",channel)..". Click another node to paste this channel there.") end
+				end
+			else
+				if minetest.is_protected(pos,name) and not minetest.check_player_privs(name,{protection_bypass=true}) then
+					minetest.record_protection_violation(pos,name)
+					return itemstack
+				end
+				if minetest.registered_nodes[node.name]._digistuff_channelcopier_fieldname then
+					local channel = itemstack:get_meta():get_string("channel")
+					if type(channel) ~= "string" or channel == "" then
+						minetest.chat_send_player(name,minetest.colorize("#FF5555","Error:").." No channel has been set yet. Shift-click to copy one.")
+						return itemstack
+					end
+					local oldchannel = minetest.get_meta(pos):get_string(minetest.registered_nodes[node.name]._digistuff_channelcopier_fieldname)
+					minetest.get_meta(pos):set_string(minetest.registered_nodes[node.name]._digistuff_channelcopier_fieldname,channel)
+					if type(oldchannel) == "string" and oldchannel ~= "" then
+						if channel == oldchannel then
+							minetest.chat_send_player(name,"Channel of target node is already "..minetest.colorize("#00FFFF",oldchannel)..".")
+						else
+							minetest.chat_send_player(name,string.format("Channel of target node changed from %s to %s.",minetest.colorize("#00FFFF",oldchannel),minetest.colorize("#00FFFF",channel)))
+						end
+					else
+						minetest.chat_send_player(name,"Channel of target node set to "..minetest.colorize("#00FFFF",channel)..".")
+					end
+					if type(minetest.registered_nodes[node.name]._digistuff_channelcopier_onset) == "function" then
+						minetest.registered_nodes[node.name]._digistuff_channelcopier_onset(pos,node,player,channel,oldchannel)
+					end
+				end
+			end
+		end
+		return itemstack
+	end,
+})
+
+minetest.register_craft({
+	output = "digistuff:channelcopier",
+	recipe = {
+		{"mesecons_fpga:programmer"},
+		{"digilines:wire_std_00000000"}
+	}
+})
+
+
+--NOTE: Asking to have your own mod added to here is not the right way to add compatibility with the channel copier.
+--Instead, include a _digistuff_channelcopier_fieldname field in your nodedef set to the name of the metadata field that contains the channel.
+--If you need an action to occur after the channel is set, place a function in _digistuff_channelcopier_onset.
+--Function signature is _digistuff_channelcopier_onset(pos,node,player,new_channel,old_channel)
+
+local additionalnodes = {
+	["digilines:chest"] = "channel",
+	["digilines:lcd"] = "channel",
+	["digilines:lightsensor"] = "channel",
+	["digilines:rtc"] = "channel",
+	["pipeworks:digiline_detector_tube_1"] = "channel",
+	["pipeworks:digiline_detector_tube_2"] = "channel",
+	["pipeworks:digiline_detector_tube_3"] = "channel",
+	["pipeworks:digiline_detector_tube_4"] = "channel",
+	["pipeworks:digiline_detector_tube_5"] = "channel",
+	["pipeworks:digiline_detector_tube_6"] = "channel",
+	["pipeworks:digiline_detector_tube_7"] = "channel",
+	["pipeworks:digiline_detector_tube_8"] = "channel",
+	["pipeworks:digiline_detector_tube_9"] = "channel",
+	["pipeworks:digiline_detector_tube_10"] = "channel",
+	["pipeworks:digiline_filter"] = "channel",
+}
+
+for name,field in pairs(additionalnodes) do
+	if minetest.registered_nodes[name] and not minetest.registered_nodes[name]._digistuff_channelcopier_fieldname then
+		minetest.override_item(name,{_digistuff_channelcopier_fieldname = field})
+	end
+end
+
+

depends.txt

@@ -3,3 +3,4 @@ digilines
 mesecons?
 mesecons_mvps?
 screwdriver?
+pipeworks?

detector.lua

@@ -12,6 +12,7 @@ minetest.register_node("digistuff:detector", {
 		local meta = minetest.get_meta(pos)
 		meta:set_string("formspec","size[8,4;]field[1,1;6,2;channel;Channel;${channel}]field[1,2;6,2;radius;Radius;${radius}]button_exit[2.25,3;3,1;submit;Save]")
 	end,
+	_digistuff_channelcopier_fieldname = "channel",
 	on_receive_fields = function(pos, formname, fields, sender)
 		local name = sender:get_player_name()
 		if minetest.is_protected(pos,name) and not minetest.check_player_privs(name,{protection_bypass=true}) then

init.lua

@@ -14,6 +14,7 @@ local components = {
 	"piston",
 	"timer",
 	"cardreader",
+	"channelcopier",
 }
 
 if minetest.get_modpath("mesecons_luacontroller") then table.insert(components,"ioexpander") end

ioexpander.lua

@@ -118,6 +118,7 @@ for i=0,15,1 do
 			meta:set_int("don",0)
 			meta:set_int("outstate",i)
 		end,
+		_digistuff_channelcopier_fieldname = "channel",
 		tiles = gettiles(i),
 		inventory_image = "digistuff_ioexp_top.png",
 		drawtype = "nodebox",

light.lua

@@ -13,6 +13,7 @@ for i=0,14,1 do
 					{-0.25,0.4,-0.25,0.25,0.5,0.25},
 				}
 		},
+		_digistuff_channelcopier_fieldname = "channel",
 		groups = i > 0 and {cracky = 1, not_in_creative_inventory = 1} or {cracky = 1},
 		is_ground_content = false,
 		light_source = i,

nic.lua

@@ -21,6 +21,7 @@ minetest.register_node("digistuff:nic", {
 		type = "fixed",
 		fixed = { -8/16, -8/16, -8/16, 8/16, -5/16, 8/16 },
 	},
+	_digistuff_channelcopier_fieldname = "channel",
 	node_box = {
 		--From Luacontroller
 		type = "fixed",

noteblock.lua

@@ -21,6 +21,7 @@ minetest.register_node("digistuff:noteblock", {
 	tiles = {
 		"mesecons_noteblock.png"
 		},
+	_digistuff_channelcopier_fieldname = "channel",
 	on_receive_fields = function(pos, formname, fields, sender)
 		local name = sender:get_player_name()
 		if minetest.is_protected(pos,name) and not minetest.check_player_privs(name,{protection_bypass=true}) then

panel.lua

@@ -123,6 +123,11 @@ minetest.register_node("digistuff:panel", {
 		"digistuff_panel_back.png",
 		"digistuff_panel_front.png"
 		},
+	_digistuff_channelcopier_fieldname = "channel",
+	_digistuff_channelcopier_onset = function(pos)
+		local helpmsg = "Channel has been set. Waiting for data..."
+		digistuff.update_panel_formspec(pos,helpmsg)
+	end,
 	paramtype = "light",
 	paramtype2 = "facedir",
 	node_box = {

piezo.lua

@@ -14,6 +14,7 @@ minetest.register_node("digistuff:piezo", {
 			digistuff.sounds_playing[pos_hash] = nil
 		end
 	end,
+	_digistuff_channelcopier_fieldname = "channel",
 	tiles = {
 		"digistuff_piezo_top.png",
 		"digistuff_piezo_sides.png",

piston.lua

@@ -66,6 +66,7 @@ minetest.register_node("digistuff:piston", {
 		local meta = minetest.get_meta(pos)
 		if fields.channel then meta:set_string("channel",fields.channel) end
 	end,
+	_digistuff_channelcopier_fieldname = "channel",
 	digiline = {
 		wire = {
 			rules = {
@@ -124,6 +125,7 @@ minetest.register_node("digistuff:piston_ext", {
 				{-0.5,-0.5,-1.5,0.5,0.5,0.5},
 			}
 	},
+	_digistuff_channelcopier_fieldname = "channel",
 	on_rotate = function() return false end,
 	on_receive_fields = function(pos, formname, fields, sender)
 		local name = sender:get_player_name()

switches.lua

@@ -95,6 +95,7 @@ minetest.register_node("digistuff:button", {
 			rules = digistuff.button_get_rules,
 		},
 	},
+	_digistuff_channelcopier_fieldname = "channel",
 	groups = {dig_immediate = 2,digiline_receiver = 1,},
 	description = "Digilines Button",
 	on_construct = function(pos)
@@ -160,6 +161,7 @@ minetest.register_node("digistuff:button_off", {
 			action = digistuff.button_handle_digilines,
 		},
 	},
+	_digistuff_channelcopier_fieldname = "channel",
 	groups = {dig_immediate = 2,not_in_creative_inventory = 1,digiline_receiver = 1,},
 	drop = "digistuff:button",
 	after_destruct = digistuff.remove_receiver,
@@ -204,6 +206,7 @@ minetest.register_node("digistuff:button_off_pushed", {
 			action = digistuff.button_handle_digilines,
 		},
 	},
+	_digistuff_channelcopier_fieldname = "channel",
 	on_timer = digistuff.button_turnoff,
 	groups = {dig_immediate = 2,not_in_creative_inventory = 1,digiline_receiver = 1,},
 	drop = "digistuff:button",
@@ -240,6 +243,7 @@ minetest.register_node("digistuff:button_on", {
 		{ -4/16, -2/16, 4/16, 4/16, 2/16, 6/16 }	-- the button itself
 	}
 	},
+	_digistuff_channelcopier_fieldname = "channel",
 	digiline =
 	{
 		receptor = {},
@@ -279,6 +283,7 @@ minetest.register_node("digistuff:button_on_pushed", {
 		type = "fixed",
 		fixed = { -6/16, -6/16, 5/16, 6/16, 6/16, 8/16 }
 	},
+	_digistuff_channelcopier_fieldname = "channel",
 	node_box = {
 	type = "fixed",
 	fixed = {
@@ -338,6 +343,7 @@ minetest.register_node("digistuff:wall_knob", {
 			{-0.4,-0.4,0,0.4,0.4,0.5},
 		},
 	},
+	_digistuff_channelcopier_fieldname = "channel",
 	groups = {dig_immediate = 2,digiline_receiver = 1,},
 	description = "Digilines Wall Knob",
 	on_construct = function(pos)
@@ -397,6 +403,7 @@ minetest.register_node("digistuff:wall_knob_configured", {
 			{-0.4,-0.4,0,0.4,0.4,0.5},
 		},
 	},
+	_digistuff_channelcopier_fieldname = "channel",
 	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",

timer.lua

@@ -29,6 +29,7 @@ minetest.register_node("digistuff:timer", {
 			{-3/16, -6/16, -3/16, 3/16, -5/16, 3/16}, -- IC
 		}
 	},
+	_digistuff_channelcopier_fieldname = "channel",
 	paramtype = "light",
 	sunlight_propagates = true,
 	on_receive_fields = function(pos, formname, fields, sender)

touchscreen.lua

@@ -290,6 +290,11 @@ minetest.register_node("digistuff:touchscreen", {
 			{ -0.5, -0.5, 0.4, 0.5, 0.5, 0.5 }
 		}
     	},
+    	_digistuff_channelcopier_fieldname = "channel",
+	_digistuff_channelcopier_onset = function(pos)
+		minetest.get_meta(pos):set_int("init",1)
+		digistuff.update_ts_formspec(pos)
+	end,
 	on_receive_fields = digistuff.ts_on_receive_fields,
 	digiline = 
 	{