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change.log

@@ -9,3 +9,20 @@ v0.1.1
 *	Made digilines optional for solid conductor blocks.
 *	Fixed lighting
 *	Added puncher
+
+
+v0.1.2
+*	Added support for hopper as optional dependency for droppers, dispensers
+	and collectors.
+*	Added digilines message to punchers when something is punched.
+
+
+v0.1.3
+*	Added hp and height info from detector.
+*	Added dispensers spawn if spawner with optional dependency on mobs mod.
+	If mobs:egg is dispensed 10% change a chicken is dispensed instead.
+*	Added player_button.
+
+
+v0.1.4
+*	Bug fix to spawning owned mobs.

collector.lua

@@ -20,7 +20,7 @@ local function send_collect_message (pos, name, count)
 
 			if channel:len () > 0 then
 				utils.digilines_receptor_send (pos,
-														 digiline.rules.default,
+														 utils.digilines_default_rules,
 														 channel,
 														 { action = "collect",
 															name = name,
@@ -389,7 +389,7 @@ local function digilines_support ()
 		{
 			wire =
 			{
-				rules = digiline.rules.default,
+				rules = utils.digilines_default_rules,
 			},
 
 			effector =
@@ -529,6 +529,38 @@ minetest.register_node("lwcomponents:collector_locked_on", {
 
 
 
+utils.hopper_add_container({
+	{"top", "lwcomponents:collector", "main"}, -- take items from above into hopper below
+	{"bottom", "lwcomponents:collector", "main"}, -- insert items below from hopper above
+	{"side", "lwcomponents:collector", "main"}, -- insert items from hopper at side
+})
+
+
+
+utils.hopper_add_container({
+	{"top", "lwcomponents:collector_locked", "main"}, -- take items from above into hopper below
+	{"bottom", "lwcomponents:collector_locked", "main"}, -- insert items below from hopper above
+	{"side", "lwcomponents:collector_locked", "main"}, -- insert items from hopper at side
+})
+
+
+
+utils.hopper_add_container({
+	{"top", "lwcomponents:collector_on", "main"}, -- take items from above into hopper below
+	{"bottom", "lwcomponents:collector_on", "main"}, -- insert items below from hopper above
+	{"side", "lwcomponents:collector_on", "main"}, -- insert items from hopper at side
+})
+
+
+
+utils.hopper_add_container({
+	{"top", "lwcomponents:collector_locked_on", "main"}, -- take items from above into hopper below
+	{"bottom", "lwcomponents:collector_locked_on", "main"}, -- insert items below from hopper above
+	{"side", "lwcomponents:collector_locked_on", "main"}, -- insert items from hopper at side
+})
+
+
+
 end -- utils.digilines_supported
 
 

crafting.lua

@@ -121,6 +121,21 @@ end -- utils.digilines_supported
 
 
 
+if utils.digilines_supported and utils.digistuff_supported then
+
+
+minetest.register_craft({
+	output = "lwcomponents:player_button",
+	recipe = {
+		{ "mesecons_button:button_off", "digilines:wire_std_00000000" }
+	},
+})
+
+
+end -- utils.digilines_supported and utils.digistuff_supported
+
+
+
 if utils.mesecon_supported and mesecon.mvps_push then
 
 minetest.register_craft ({

depends.txt

@@ -4,3 +4,6 @@ mesecons?
 digilines?
 unifieddyes?
 intllib?
+hopper?
+mobs?
+digistuff?

detector.lua

@@ -60,7 +60,7 @@ end
 
 
 
-local function send_detect_message (pos, item_type, name, label, item_pos, count)
+local function send_detect_message (pos, item_type, name, label, item_pos, count, hp, height)
 	if utils.digilines_supported then
 		local meta = minetest.get_meta (pos)
 
@@ -69,14 +69,16 @@ local function send_detect_message (pos, item_type, name, label, item_pos, count
 
 			if channel:len () > 0 then
 				utils.digilines_receptor_send (pos,
-														 digiline.rules.default,
+														 utils.digilines_default_rules,
 														 channel,
 														 { action = "detect",
 															type = item_type,
 															name = name,
 															label = label,
 															pos = to_relative_coords (pos, item_pos),
-															count = count })
+															count = count,
+															hp = hp,
+															height = height })
 			end
 		end
 	end
@@ -132,6 +134,33 @@ end
 
 
 
+local function get_entity_height (objref)
+	if objref.get_luaentity then
+		entity = objref:get_luaentity ()
+
+		if entity and entity.name then
+			def = minetest.registered_entities[entity.name]
+
+			if def and type (def.collisionbox) == "table" and
+				type (def.collisionbox[5]) == "number" then
+
+				return def.collisionbox[5]
+			end
+		end
+	end
+
+	local props = objref:get_properties ()
+	if props and props.collisionbox and type (props.collisionbox) == "table" and
+		type (props.collisionbox[5]) == "number" then
+
+		return props.collisionbox[5]
+	end
+
+	return 0
+end
+
+
+
 local function detect (pos)
 	local meta = minetest.get_meta (pos)
 	local detected = false
@@ -153,7 +182,9 @@ local function detect (pos)
 												object[i]:get_player_name (),
 												object[i]:get_player_name (),
 												object[i]:get_pos (),
-												1)
+												1,
+												object[i]:get_hp (),
+												get_entity_height (object[i]))
 
 					detected = true
 				end
@@ -174,7 +205,9 @@ local function detect (pos)
 													stack:get_name (),
 													stack:get_name (),
 													object[i]:get_pos (),
-													stack:get_count ())
+													stack:get_count (),
+													0,
+													0)
 
 						detected = true
 					end
@@ -203,7 +236,9 @@ local function detect (pos)
 												name,
 												label,
 												object[i]:get_pos (),
-												1)
+												1,
+												object[i]:get_hp (),
+												get_entity_height (object[i]))
 
 					detected = true
 
@@ -228,7 +263,9 @@ local function detect (pos)
 														node.name,
 														node.name,
 														testpos,
-														1)
+														1,
+														0,
+														0)
 
 							detected = true
 						end
@@ -565,7 +602,7 @@ local function digilines_support ()
 		{
 			wire =
 			{
-				rules = digiline.rules.default,
+				rules = utils.digilines_default_rules,
 			},
 
 			effector =

dispenser.lua

@@ -52,7 +52,7 @@ local function send_dispense_message (pos, slot, name)
 
 			if channel:len () > 0 then
 				utils.digilines_receptor_send (pos,
-														 digiline.rules.default,
+														 utils.digilines_default_rules,
 														 channel,
 														 { action = "dispense",
 															name = name,
@@ -64,6 +64,90 @@ end
 
 
 
+local function try_spawn (pos, node, item)
+	if utils.mobs_supported then
+		local mob = item:get_name ()
+		local item_def = minetest.registered_craftitems[mob]
+		local spawn_pos = dispense_pos (pos, node)
+
+		if item_def and item_def.groups and item_def.groups.spawn_egg then
+			if mob:sub (mob:len () - 3) == "_set" then
+				mob = mob:sub (1, mob:len () - 4)
+
+				if minetest.registered_entities[mob] then
+					local data = item:get_metadata ()
+					local smob = minetest.add_entity (spawn_pos, mob, data)
+					local ent = smob and smob:get_luaentity ()
+
+					if ent then
+						local meta = minetest.get_meta (pos)
+
+						if meta then
+							local owner = meta:get_string ("owner")
+
+							-- set owner if not a monster
+							if owner:len () > 0 and ent.type ~= "monster" then
+								ent.owner = owner
+								ent.tamed = true
+							end
+						end
+					end
+
+					return smob
+				end
+
+			else
+				if minetest.registered_entities[mob] then
+					local smob = minetest.add_entity (spawn_pos, mob)
+					local ent = smob and smob:get_luaentity ()
+
+					if ent then
+						local meta = minetest.get_meta (pos)
+
+						if meta then
+							local owner = meta:get_string ("owner")
+
+							-- set owner if not a monster
+							if owner:len () > 0 and ent.type ~= "monster" then
+								ent.owner = owner
+								ent.tamed = true
+							end
+						end
+					end
+
+					return smob
+				end
+
+			end
+
+		elseif mob == "mobs:egg" then
+			if math.random (1, 10) == 1 then
+				local smob = minetest.add_entity (spawn_pos, "mobs_animal:chicken")
+				local ent = smob and smob:get_luaentity ()
+
+				if ent then
+					local meta = minetest.get_meta (pos)
+
+					if meta then
+						local owner = meta:get_string ("owner")
+
+						-- set owner if not a monster
+						if owner:len () > 0 and ent.type ~= "monster" then
+							ent.owner = owner
+							ent.tamed = true
+						end
+					end
+				end
+
+				return smob
+			end
+		end
+	end
+
+	return nil
+end
+
+
 -- slot:
 --    nil - next item, no dispense if empty
 --    number - 1 item from slot, no dispense if empty
@@ -119,7 +203,11 @@ local function dispense_item (pos, node, slot)
 					if item then
 						item:set_count (1)
 
-						local obj = minetest.add_item (dispense_pos (pos, node), item)
+						local obj = try_spawn (pos, node, item)
+
+						if not obj then
+							obj = minetest.add_item (dispense_pos (pos, node), item)
+						end
 
 						if obj then
 							obj:set_velocity (dispense_velocity (node))
@@ -314,7 +402,7 @@ local function digilines_support ()
 		{
 			wire =
 			{
-				rules = digiline.rules.default,
+				rules = utils.digilines_default_rules,
 			},
 
 			effector =
@@ -422,6 +510,22 @@ minetest.register_node("lwcomponents:dispenser_locked", {
 
 
 
+utils.hopper_add_container({
+	{"top", "lwcomponents:dispenser", "main"}, -- take items from above into hopper below
+	{"bottom", "lwcomponents:dispenser", "main"}, -- insert items below from hopper above
+	{"side", "lwcomponents:dispenser", "main"}, -- insert items from hopper at side
+})
+
+
+
+utils.hopper_add_container({
+	{"top", "lwcomponents:dispenser_locked", "main"}, -- take items from above into hopper below
+	{"bottom", "lwcomponents:dispenser_locked", "main"}, -- insert items below from hopper above
+	{"side", "lwcomponents:dispenser_locked", "main"}, -- insert items from hopper at side
+})
+
+
+
 end -- utils.digilines_supported or utils.mesecon_supported
 
 

dropper.lua

@@ -32,7 +32,7 @@ local function send_drop_message (pos, slot, name)
 
 			if channel:len () > 0 then
 				utils.digilines_receptor_send (pos,
-														 digiline.rules.default,
+														 utils.digilines_default_rules,
 														 channel,
 														 { action = "drop",
 															name = name,
@@ -290,7 +290,7 @@ local function digilines_support ()
 		{
 			wire =
 			{
-				rules = digiline.rules.default,
+				rules = utils.digilines_default_rules,
 			},
 
 			effector =
@@ -398,6 +398,21 @@ minetest.register_node("lwcomponents:dropper_locked", {
 
 
 
+utils.hopper_add_container({
+	{"top", "lwcomponents:dropper", "main"}, -- take items from above into hopper below
+	{"bottom", "lwcomponents:dropper", "main"}, -- insert items below from hopper above
+	{"side", "lwcomponents:dropper", "main"}, -- insert items from hopper at side
+})
+
+
+
+utils.hopper_add_container({
+	{"top", "lwcomponents:dropper_locked", "main"}, -- take items from above into hopper below
+	{"bottom", "lwcomponents:dropper_locked", "main"}, -- insert items below from hopper above
+	{"side", "lwcomponents:dropper_locked", "main"}, -- insert items from hopper at side
+})
+
+
 end -- utils.digilines_supported or utils.mesecon_supported
 
 

init.lua

@@ -1,4 +1,4 @@
-local version = "0.1.1"
+local version = "0.1.4"
 local mod_storage = minetest.get_mod_storage ()
 
 
@@ -22,6 +22,7 @@ loadfile (modpath.."/dispenser.lua") (utils)
 loadfile (modpath.."/detector.lua") (utils)
 loadfile (modpath.."/siren.lua") (utils)
 loadfile (modpath.."/puncher.lua") (utils)
+loadfile (modpath.."/player_button.lua") (utils)
 loadfile (modpath.."/extras.lua") (utils)
 loadfile (modpath.."/digiswitch.lua") (utils)
 loadfile (modpath.."/movefloor.lua") (utils)

license.txt

@@ -64,6 +64,8 @@ Media license
 siren images derived from images from https://openclipart.org, which is
 public domain.
 
+player button images derived from mesecons button image.
+
 All other media, or media not covered by a licence, is licensed
 Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0)
 

mod.conf

@@ -3,4 +3,4 @@ description = Various components for mesecons and digilines.
 title = LWComponents
 name = lwcomponents
 depends = default
-optional_depends = lwdrops, mesecons, digilines, unifieddyes, intllib
+optional_depends = lwdrops, mesecons, digilines, unifieddyes, intllib, hopper, mobs, digistuff

player_button.lua

@@ -0,0 +1,232 @@
+local utils = ...
+local S = utils.S
+
+
+
+if utils.digilines_supported and utils.digistuff_supported then
+
+
+
+local function on_contruct (pos)
+	local meta = minetest.get_meta(pos)
+	local spec =
+	"size[7.5,3]"..
+	"field[1,1;6,2;channel;Channel;${channel}]"..
+	"button_exit[2.5,2;3,1;submit;Set]"
+
+	meta:set_string("formspec", spec)
+end
+
+
+
+local function on_receive_fields (pos, formname, fields, sender)
+	local meta = minetest.get_meta(pos)
+
+	if fields.submit then
+		if fields.channel ~= "" then
+			meta:set_string ("channel", fields.channel)
+			meta:set_string ("formspec", "")
+			minetest.swap_node (pos, { name = "lwcomponents:player_button_off",
+												param2 = minetest.get_node(pos).param2 })
+		else
+			minetest.chat_send_player (sender:get_player_name(), "Please set a channel!")
+		end
+	end
+end
+
+
+
+local function player_button_push (pos, node, player)
+	local meta = minetest.get_meta (pos)
+
+	if player and player:is_player () then
+		local channel = meta:get_string ("channel")
+		local formspec = meta:get_string ("formspec")
+
+		if channel:len () > 0 and formspec:len () == 0 then
+			utils.digilines_receptor_send (pos,
+													 digistuff.button_get_rules (node),
+													 channel,
+													 { action = "player",
+														name = player:get_player_name () })
+		end
+	end
+
+	if node.name == "lwcomponents:player_button_off" then
+		node.name = "lwcomponents:player_button_on"
+
+		minetest.swap_node(pos, node)
+
+		if digistuff.mesecons_installed then
+			minetest.sound_play ("mesecons_button_push", { pos = pos })
+		end
+
+		minetest.get_node_timer (pos):start (0.25)
+	end
+end
+
+
+
+local function player_button_turnoff (pos)
+	local node = minetest.get_node(pos)
+	local meta = minetest.get_meta(pos)
+
+	if node.name == "lwcomponents:player_button_on" then
+		node.name = "lwcomponents:player_button_off"
+
+		minetest.swap_node (pos, node)
+
+		if digistuff.mesecons_installed then
+			minetest.sound_play ("mesecons_button_pop", { pos = pos })
+		end
+	end
+end
+
+
+
+minetest.register_node ("lwcomponents:player_button", {
+	description = "Player Button",
+	drawtype = "nodebox",
+	tiles = {
+	"lwplayer_button_side.png",
+	"lwplayer_button_side.png",
+	"lwplayer_button_side.png",
+	"lwplayer_button_side.png",
+	"lwplayer_button_side.png",
+	"lwplayer_button.png"
+	},
+	paramtype = "light",
+	paramtype2 = "facedir",
+	legacy_wallmounted = true,
+	walkable = false,
+	sunlight_propagates = true,
+	drop = "lwcomponents:player_button",
+	selection_box = {
+	type = "fixed",
+		fixed = { -6/16, -6/16, 5/16, 6/16, 6/16, 8/16 }
+	},
+	node_box = {
+		type = "fixed",
+		fixed = {
+			{ -6/16, -6/16, 6/16, 6/16, 6/16, 8/16 },	-- the thin plate behind the button
+			{ -4/16, -2/16, 4/16, 4/16, 2/16, 6/16 }	-- the button itself
+		}
+	},
+	groups = { dig_immediate = 2, digiline_receiver = 1 },
+	_digistuff_channelcopier_fieldname = "channel",
+	sounds = default and default.node_sound_stone_defaults(),
+
+	digiline =
+	{
+		receptor = {},
+		wire = {
+			rules = digistuff.button_get_rules,
+		},
+	},
+
+	on_construct = on_contruct,
+	after_place_node = digistuff.place_receiver,
+	after_destruct = digistuff.remove_receiver,
+	on_receive_fields = on_receive_fields,
+})
+
+
+
+minetest.register_node ("lwcomponents:player_button_off", {
+	description = "Player Button",
+	drawtype = "nodebox",
+	tiles = {
+	"lwplayer_button_side.png",
+	"lwplayer_button_side.png",
+	"lwplayer_button_side.png",
+	"lwplayer_button_side.png",
+	"lwplayer_button_side.png",
+	"lwplayer_button.png"
+	},
+	paramtype = "light",
+	paramtype2 = "facedir",
+	legacy_wallmounted = true,
+	walkable = false,
+	sunlight_propagates = true,
+	drop = "lwcomponents:player_button",
+	selection_box = {
+	type = "fixed",
+		fixed = { -6/16, -6/16, 5/16, 6/16, 6/16, 8/16 }
+	},
+	node_box = {
+		type = "fixed",
+		fixed = {
+			{ -6/16, -6/16, 6/16, 6/16, 6/16, 8/16 },	-- the thin plate behind the button
+			{ -4/16, -2/16, 4/16, 4/16, 2/16, 6/16 }	-- the button itself
+		}
+	},
+	groups = { dig_immediate = 2, digiline_receiver = 1, not_in_creative_inventory = 1 },
+	_digistuff_channelcopier_fieldname = "channel",
+	sounds = default and default.node_sound_stone_defaults(),
+
+	digiline =
+	{
+		receptor = {},
+		wire = {
+			rules = digistuff.button_get_rules,
+		},
+		effector = {
+			action = digistuff.button_handle_digilines,
+		},
+	},
+
+	after_destruct = digistuff.remove_receiver,
+	on_rightclick = player_button_push,
+})
+
+
+
+minetest.register_node ("lwcomponents:player_button_on", {
+	description = "Player Button",
+	drawtype = "nodebox",
+	tiles = {
+	"lwplayer_button_side.png",
+	"lwplayer_button_side.png",
+	"lwplayer_button_side.png",
+	"lwplayer_button_side.png",
+	"lwplayer_button_side.png",
+	"lwplayer_button_on.png"
+	},
+	paramtype = "light",
+	paramtype2 = "facedir",
+	legacy_wallmounted = true,
+	walkable = false,
+	sunlight_propagates = true,
+	light_source = 7,
+	drop = "lwcomponents:player_button",
+	selection_box = {
+		type = "fixed",
+		fixed = { -6/16, -6/16, 5/16, 6/16, 6/16, 8/16 }
+	},
+	node_box = {
+		type = "fixed",
+		fixed = {
+			{ -6/16, -6/16,  6/16, 6/16, 6/16, 8/16 },
+			{ -4/16, -2/16, 11/32, 4/16, 2/16, 6/16 }
+		}
+	},
+	groups = { dig_immediate = 2, digiline_receiver = 1, not_in_creative_inventory = 1 },
+	_digistuff_channelcopier_fieldname = "channel",
+	sounds = default and default.node_sound_stone_defaults(),
+
+	digiline =
+	{
+		receptor = {},
+		wire = {
+			rules = digistuff.button_get_rules,
+		},
+	},
+
+	after_destruct = digistuff.remove_receiver,
+--	on_rightclick = player_button_push,
+	on_timer = player_button_turnoff,
+})
+
+
+
+end -- utils.digilines_supported and utils.digistuff_supported

puncher.lua

@@ -7,6 +7,28 @@ if utils.digilines_supported or utils.mesecon_supported then
 
 
 
+local function send_punch_message (pos, item_type, name, label)
+	if utils.digilines_supported then
+		local meta = minetest.get_meta (pos)
+
+		if meta then
+			local channel = meta:get_string ("channel")
+
+			if channel:len () > 0 then
+				utils.digilines_receptor_send (pos,
+														 utils.digilines_default_rules,
+														 channel,
+														 { action = "punch",
+															type = item_type,
+															name = name,
+															label = label })
+			end
+		end
+	end
+end
+
+
+
 local function direction_vector (pos)
 	local meta = minetest.get_meta (pos)
 
@@ -67,6 +89,11 @@ local function punch (pos)
 												 damage_groups = { fleshy = 4 } },
 												vector.direction (pos, object[i]:get_pos ()))
 
+						send_punch_message (pos,
+												  "player",
+												  object[i]:get_player_name (),
+												  object[i]:get_player_name ())
+
 						punched = true
 					end
 
@@ -80,6 +107,16 @@ local function punch (pos)
 
 					-- entity
 					if meta:get_string ("entities") == "true" then
+						local name = object[i]:get_nametag_attributes ()
+						local label = ""
+
+						if type (name) == "table" then
+							label = tostring (name.text or "")
+						end
+
+						name = (object[i].get_luaentity and
+								  object[i]:get_luaentity () and
+								  object[i]:get_luaentity ().name) or ""
 
 						object[i]:punch (object[i],
 											  1.0,
@@ -87,6 +124,11 @@ local function punch (pos)
 												 damage_groups = { fleshy = 4 } },
 												vector.direction (pos, object[i]:get_pos ()))
 
+						send_punch_message (pos,
+												  "entity",
+												  name,
+												  label)
+
 						punched = true
 					end
 
@@ -368,7 +410,7 @@ local function digilines_support ()
 		{
 			wire =
 			{
-				rules = digiline.rules.default,
+				rules = utils.digilines_default_rules,
 			},
 
 			effector =

readme.txt

@@ -13,7 +13,7 @@ CC BY-SA 3.0
 
 Version
 =======
-0.1.1
+0.1.4
 
 
 Minetest Version
@@ -33,6 +33,9 @@ mesecons
 digilines
 unifieddyes
 intllib
+hopper
+mobs
+digistuff
 
 
 Installation
@@ -56,7 +59,8 @@ Dropper
 * This block is only available if digilines and/or mesecons are loaded.
 
 Contains an inventory and drops an item on command. Also acts as a
-digilines conductor.
+digilines conductor. If the hopper mod is loaded, will take items from the
+top and sides, and release them from the bottom.
 
 UI
 
@@ -96,7 +100,14 @@ Dispenser
 * This block is only available if digilines and/or mesecons are loaded.
 
 Contains an inventory and dispenses (with velocity) an item on command.
-Also acts as a digilines conductor.
+Also acts as a digilines conductor. If the hopper mod is loaded, will take
+items from the top and sides, and release them from the bottom.
+
+Dispensers support mobs mod if loaded. Will spawn the entity from an 'egg'
+if possible, or the 'egg' is dispensed. If a chicken egg is dispensed a
+10% chance a chicken is dispensed instead. If the spawned entity can be
+owned (or tamed) and the dispenser is owned the owner of the dispenser is
+set as the owner of the entity.
 
 UI
 
@@ -137,7 +148,8 @@ Collector
 * This block is only available if digilines is loaded.
 
 Picks up dropped items in adjacent block, with optional filtering. Also
-acts as a digilines conductor.
+acts as a digilines conductor. If the hopper mod is loaded, will take items
+from the top and sides, and release them from the bottom.
 
 UI
 
@@ -230,7 +242,9 @@ message is a table with the following keys:
 	name = "<name>",
 	label = "<label>",
 	pos = { x = n, y = n, z = n },
-	count = <count>
+	count = <count>,
+	hp = <number>,
+	height = <number>
 }
 
 type
@@ -261,6 +275,12 @@ pos
 count
 	The count of items for a "drop", or 1 for everything else.
 
+hp
+	Health points for players and entities. Zero for everything else.
+
+height
+	Height for players and entities. Zero for everything else. This is simply
+	the top position of the object's collision box.
 
 
 Siren
@@ -357,6 +377,47 @@ Digilines messages
 "punch"
 	Action a single punch if the puncher is turned on.
 
+When a player or entity is punched a digilines message is sent with the
+puncher's channel. The message is a table with the following keys:
+{
+	action = "punch",
+	type = "<type>", -- will be "entity" or "player"
+	name = "<name>",
+	label = "<label>"
+}
+
+type
+	Will be "entity" or "player".
+
+name
+	For "entity" the registered entity name.
+	For "player" the player's name.
+
+label
+	For "entity" the name tag text.
+	For "player" the player's name.
+
+
+
+Player Button
+-------------
+* This block is only available if both digilines and digistuff are loaded.
+
+When pressed sends a digilines message with the name of the player that
+pressed the button.
+
+The first time the button is right clicked a form opens to set the
+digilines channel. After that right click presses the button. The
+digilines cannot be changed after its set.
+
+When the button is pressed a digilines message is sent with the button's
+channel in the form:
+{
+	action = "player",
+	name = <player name>
+}
+
+
 
 DigiSwitch
 ----------

siren.lua

@@ -422,7 +422,7 @@ local function digilines_support ()
 		{
 			wire =
 			{
-				rules = digiline.rules.default,
+				rules = utils.digilines_default_rules,
 			},
 
 			effector =

utils.lua

@@ -113,6 +113,40 @@ end
 
 
 
+-- check for hopper
+if minetest.global_exists ("hopper") then
+	utils.hopper_supported = true
+
+	utils.hopper_add_container = function (list)
+		hopper:add_container (list)
+	end
+else
+	utils.hopper_supported = false
+
+	utils.hopper_add_container = function (list)
+	end
+end
+
+
+
+-- check for mobs
+if minetest.global_exists ("mobs") then
+	utils.mobs_supported = true
+else
+	utils.mobs_supported = false
+end
+
+
+
+-- check for digistuff
+if minetest.global_exists ("digistuff") then
+	utils.digistuff_supported = true
+else
+	utils.digistuff_supported = false
+end
+
+
+
 function utils.can_interact_with_node (pos, player)
 	if not player or not player:is_player () then
 		return false