Add files via upload

2022-01-07 18:55:19 +10:00 · 2022-01-07 18:53:39 +10:00 · 2022-01-07 18:50:47 +10:00 · 2022-01-07 18:49:57 +10:00 · 2022-01-07 18:49:14 +10:00
24 changed files with 1573 additions and 6 deletions
--- a/change.log
+++ b/change.log
@@ -82,3 +82,8 @@ v0.1.13

 v0.1.14
 *	Calls on_drop when item is dropped.
+
+
+v0.1.15
+*	Fixed bug call to clear_map in fan on_blast.
+*	Added pistons.
--- a/crafting.lua
+++ b/crafting.lua
@@ -218,6 +218,26 @@ minetest.register_craft( {
 	},
 })

+
+minetest.register_craft({
+	output = "lwcomponents:piston 2",
+	recipe = {
+		{ "group:wood", "group:wood", "group:wood" },
+		{ "default:cobble", "default:steel_ingot", "default:cobble" },
+		{ "default:stone", "default:copper_ingot", "default:stone" },
+	}
+})
+
+
+minetest.register_craft({
+	output = "lwcomponents:piston_sticky",
+	recipe = {
+		{"group:sapling"},
+		{"lwcomponents:piston"},
+	}
+})
+
+
 end -- utils.digilines_supported or utils.mesecon_supported


--- a/docs/pistons.txt
+++ b/docs/pistons.txt
@@ -0,0 +1,31 @@
+Pistons and sticky pistons
+--------------------------
+* These blocks are only available if digilines and/or mesecons are loaded.
+
+Pistons push up to the setting Maximum piston nodes (default 15) in front
+of the pusher when extended. Sticky piston draw back a single node in
+front of the pusher when retracted. Piston also act as a digilines
+conductor.
+
+UI
+
+Channel - digilines channel of piston.
+Single move - pusher extends 1 node if checked, otherwise 2 nodes.
+
+Mesecons
+	Piston extends while power is turned on.
+
+Digilines messages
+
+"extend n"
+	Extends the piston pusher to extent n (0, 1 or 2). If n is not given
+	pusher extends to maximum extent. 0 is retracted.
+
+"retract"
+	Same as 'extend 0'.
+
+"single"
+	Sets piston to single move mode.
+
+"double"
+	Sets piston to double move mode.
--- a/fan.lua
+++ b/fan.lua
@@ -199,14 +199,10 @@ local function on_blast (pos, intensity)
 	if meta then
 		if intensity >= 1.0 then

-			clear_map (pos)
-
 			minetest.remove_node (pos)

 		else -- intensity < 1.0

-			clear_map (pos)
-
 			local node = minetest.get_node_or_nil (pos)
 			if node then
 				local items = minetest.get_node_drops (node, nil)
--- a/init.lua
+++ b/init.lua
@@ -1,4 +1,4 @@
-local version = "0.1.14"
+local version = "0.1.15"
 local mod_storage = minetest.get_mod_storage ()


@@ -34,6 +34,7 @@ loadfile (modpath.."/fan.lua") (utils)
 loadfile (modpath.."/conduit.lua") (utils, mod_storage)
 loadfile (modpath.."/cannon.lua") (utils)
 loadfile (modpath.."/cannon_shell.lua") (utils)
+loadfile (modpath.."/pistons.lua") (utils)
 loadfile (modpath.."/extras.lua") (utils)
 loadfile (modpath.."/digiswitch.lua") (utils)
 loadfile (modpath.."/movefloor.lua") (utils)
--- a/license.txt
+++ b/license.txt
@@ -74,6 +74,8 @@ released under CC0 1.0 (originally from https://freesound.org/s/80401/)

 boom image from tnt, released under CC BY-SA 3.0.

+Piston images and sounds from mesecons_pistons, released under CC-BY-SA 3.0.
+
 All other media, or media not covered by a licence, is licensed
 Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0)

--- a/models/piston_normal_1.obj
+++ b/models/piston_normal_1.obj
@@ -0,0 +1,143 @@
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+# www.blender.org
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--- a/models/piston_normal_2.obj
+++ b/models/piston_normal_2.obj
@@ -0,0 +1,143 @@
+# Blender v2.82 (sub 7) OBJ File: ''
+# www.blender.org
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--- a/models/piston_sticky_1.obj
+++ b/models/piston_sticky_1.obj
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--- a/models/piston_sticky_2.obj
+++ b/models/piston_sticky_2.obj
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+vn 0.0000 -0.0000 1.0000
+usemtl m_0
+s 1
+f 1/1/1 2/2/1 3/3/1 4/4/1
+f 5/5/2 1/6/2 4/7/2 6/8/2
+f 7/9/3 5/10/3 6/11/3 8/12/3
+f 2/13/4 7/14/4 8/15/4 3/16/4
+f 8/17/5 6/18/5 4/19/5 3/20/5
+f 2/21/6 1/1/6 5/22/6 7/23/6
+o cube.009
+v 0.500000 -0.500000 -2.312500
+v -0.500000 -0.500000 -2.312500
+v -0.500000 -0.500000 -2.500000
+v 0.500000 -0.500000 -2.500000
+v 0.500000 0.500000 -2.312500
+v 0.500000 0.500000 -2.500000
+v -0.500000 0.500000 -2.312500
+v -0.500000 0.500000 -2.500000
+vt 0.666667 0.937500
+vt 1.000000 0.937500
+vt 1.000000 1.000000
+vt 0.666667 1.000000
+vt 0.666667 0.937500
+vt 1.000000 0.937500
+vt 1.000000 1.000000
+vt 0.666667 1.000000
+vt 0.666667 0.937500
+vt 1.000000 0.937500
+vt 1.000000 1.000000
+vt 0.666667 1.000000
+vt 0.666667 0.937500
+vt 1.000000 0.937500
+vt 1.000000 1.000000
+vt 0.666667 1.000000
+vt 0.666667 0.000000
+vt 1.000000 0.000000
+vt 1.000000 0.333333
+vt 0.666667 0.333333
+vt 0.666667 0.333333
+vt 1.000000 0.333333
+vt 1.000000 0.666667
+vt 0.666667 0.666667
+vn 0.0000 -1.0000 -0.0000
+vn 1.0000 0.0000 0.0000
+vn 0.0000 1.0000 0.0000
+vn -1.0000 0.0000 0.0000
+vn 0.0000 0.0000 -1.0000
+vn 0.0000 0.0000 1.0000
+usemtl m_0
+s 1
+f 9/24/7 10/25/7 11/26/7 12/27/7
+f 13/28/8 9/29/8 12/30/8 14/31/8
+f 15/32/9 13/33/9 14/34/9 16/35/9
+f 10/36/10 15/37/10 16/38/10 11/39/10
+f 16/40/11 14/41/11 12/42/11 11/43/11
+f 10/44/12 9/45/12 13/46/12 15/47/12
+o cube.010
+v 0.125000 -0.125000 0.375000
+v -0.125000 -0.125000 0.375000
+v -0.125000 -0.125000 -2.375000
+v 0.125000 -0.125000 -2.375000
+v 0.125000 0.125000 0.375000
+v 0.125000 0.125000 -2.375000
+v -0.125000 0.125000 0.375000
+v -0.125000 0.125000 -2.375000
+vt 0.125000 0.020833
+vt 0.208333 0.020833
+vt 0.208333 0.979167
+vt 0.125000 0.979167
+vt 0.125000 0.020833
+vt 0.208333 0.020833
+vt 0.208333 0.979167
+vt 0.125000 0.979167
+vt 0.125000 0.020833
+vt 0.208333 0.020833
+vt 0.208333 0.979167
+vt 0.125000 0.979167
+vt 0.125000 0.020833
+vt 0.208333 0.020833
+vt 0.208333 0.979167
+vt 0.125000 0.979167
+vt 0.562500 0.229167
+vt 0.458333 0.229167
+vt 0.458333 0.125000
+vt 0.562500 0.125000
+vt 0.875000 0.458333
+vt 0.791667 0.458333
+vt 0.791667 0.541667
+vt 0.875000 0.541667
+vn 0.0000 -1.0000 -0.0000
+vn 1.0000 0.0000 0.0000
+vn 0.0000 1.0000 0.0000
+vn -1.0000 0.0000 0.0000
+vn 0.0000 0.0000 -1.0000
+vn 0.0000 0.0000 1.0000
+usemtl m_0
+s 1
+f 17/48/13 18/49/13 19/50/13 20/51/13
+f 21/52/14 17/53/14 20/54/14 22/55/14
+f 23/56/15 21/57/15 22/58/15 24/59/15
+f 18/60/16 23/61/16 24/62/16 19/63/16
+f 24/64/17 22/65/17 20/66/17 19/67/17
+f 18/68/18 17/69/18 21/70/18 23/71/18
--- a/pistons.lua
+++ b/pistons.lua
@@ -0,0 +1,930 @@
+local utils = ...
+local S = utils.S
+
+
+
+if utils.digilines_supported or utils.mesecon_supported then
+
+
+
+local piston_interval = 0.2
+
+
+
+local function direction_vector (node)
+	local axis = math.floor (node.param2 / 4)
+	local rotate = node.param2 % 4
+	local vec = { x = 0, y = 0, z = 0 }
+
+	if rotate == 0 then
+		vec = { x = 0, y = 0, z = -1 }
+	elseif rotate == 1 then
+		vec = { x = -1, y = 0, z = 0 }
+	elseif rotate == 2 then
+		vec = { x = 0, y = 0, z = 1 }
+	elseif rotate == 3 then
+		vec = { x = 1, y = 0, z = 0 }
+	end
+
+	if axis == 1 then
+		vec = vector.rotate (vec, { x = math.pi / -2, y = 0, z = 0 })
+	elseif axis == 2 then
+		vec = vector.rotate (vec, { x = math.pi / 2, y = 0, z = 0 })
+	elseif axis == 3 then
+		vec = vector.rotate (vec, { x = 0, y = 0, z = math.pi / 2 })
+	elseif axis == 4 then
+		vec = vector.rotate (vec, { x = 0, y = 0, z = math.pi / -2 })
+	elseif axis == 5 then
+		vec = vector.rotate (vec, { x = math.pi, y = 0, z = 0 })
+	end
+
+	return vec
+end
+
+
+
+local function push_entities (pos, vec)
+	local tpos = vector.add (pos, vec)
+	local tnode = utils.get_far_node (tpos)
+	local can_move = false
+
+	if tnode then
+		if tnode.name == "air" then
+			can_move = true
+		else
+			tdef = utils.find_item_def (tnode.name)
+
+			can_move = tdef and not tdef.walkable
+		end
+	end
+
+	if can_move then
+		local object = minetest.get_objects_inside_radius (pos, 1.5)
+
+		for j = 1, #object do
+			if object[j].get_pos then
+				local opos = object[j]:get_pos ()
+
+				if opos.x > (pos.x - 0.5) and opos.x < (pos.x + 0.5) and
+					opos.z > (pos.z - 0.5) and opos.z < (pos.z + 0.5) and
+					opos.y > (pos.y - 0.5) and opos.y < (pos.y + 0.5) then
+
+					object[j]:set_pos (vector.add (opos, vec))
+				end
+			end
+		end
+	end
+end
+
+
+
+local function push_nodes (pos, extent)
+	local node = utils.get_far_node (pos)
+
+	if node then
+		local vec = direction_vector (node)
+		local last = vector.add (pos, vector.multiply (vec, extent))
+		local maxnodes = utils.settings.max_piston_nodes + 1
+		local count = 0
+
+		for i = 1, maxnodes do
+			local tnode = utils.get_far_node (last)
+
+			if not tnode then
+				return false
+			end
+
+			if tnode.name == "air" then
+				count = i - 1
+				break
+			end
+
+			if i == maxnodes then
+				return false
+			end
+
+			last = vector.add (last, vec)
+		end
+
+		push_entities (last, vec)
+
+		for i = 1, count, 1 do
+			local cpos = vector.subtract (last, vec)
+			local cnode = utils.get_far_node (cpos)
+			local cmeta = minetest.get_meta (cpos)
+
+			if not cnode or not cmeta then
+				return false
+			end
+
+			local tmeta = cmeta:to_table ()
+
+			push_entities (cpos, vec)
+
+			minetest.remove_node (cpos)
+			minetest.set_node (last, cnode)
+
+			if tmeta then
+				cmeta = minetest.get_meta (last)
+
+				if not cmeta then
+					return false
+				end
+
+				cmeta:from_table (tmeta)
+			end
+
+			last = cpos
+		end
+	end
+
+	return true
+end
+
+
+
+local function pull_node (pos, extent)
+	local node = utils.get_far_node (pos)
+
+	if node then
+		local vec = direction_vector (node)
+		local cpos = vector.add (pos, vector.multiply (vec, extent))
+		local cnode = utils.get_far_node (cpos)
+
+		if cnode and cnode ~= "air" then
+			local cmeta = minetest.get_meta (cpos)
+
+			if cmeta then
+				local tpos = vector.subtract (cpos, vec)
+				local tmeta = cmeta:to_table ()
+
+				minetest.remove_node (cpos)
+				minetest.set_node (tpos, cnode)
+
+				if tmeta then
+					cmeta = minetest.get_meta (tpos)
+
+					if cmeta then
+						cmeta:from_table (tmeta)
+					end
+				end
+			end
+		end
+	end
+end
+
+
+
+local function place_blank (pos, extent)
+	local node = utils.get_far_node (pos)
+
+	if node then
+		local vec = direction_vector (node)
+		local blank_pos = vector.add (pos, vector.multiply (vec, extent))
+		local blank_node = utils.get_far_node (blank_pos)
+
+		if blank_node and blank_node.name == "air" then
+			minetest.set_node (blank_pos,
+									 {
+										name = "lwcomponents:piston_blank_"..tostring (extent),
+										param2 = node.param2
+									 })
+		end
+	end
+end
+
+
+
+local function remove_blank (pos, extent)
+	local node = utils.get_far_node (pos)
+
+	if node then
+		local vec = direction_vector (node)
+		local blank_pos = vector.add (pos, vector.multiply (vec, extent))
+		local blank_node = utils.get_far_node (blank_pos)
+
+		if blank_node and
+			blank_node.name == "lwcomponents:piston_blank_"..tostring (extent) then
+
+			minetest.remove_node (blank_pos)
+		end
+	end
+end
+
+
+
+local function extend_piston (pos, extent)
+	local node = utils.get_far_node (pos)
+	local meta = minetest.get_meta (pos)
+
+	if node and meta then
+		extent = math.max (math.min (tonumber (extent or 2), meta:get_int ("max_extent")), 0)
+
+		if node.name == "lwcomponents:piston" then
+			if extent ~= 0 then
+				if push_nodes (pos, 1) then
+					node.name = "lwcomponents:piston_1"
+					minetest.swap_node (pos, node)
+					place_blank (pos, 1)
+					minetest.sound_play ("lwpiston_extend",
+												{
+													pos = pos,
+													max_hear_distance = 20,
+													gain = 0.3
+												},
+												true)
+
+					if extent == 2 then
+						meta:set_int ("extent", 2)
+						minetest.get_node_timer (pos):start (piston_interval)
+
+						return true
+					end
+				end
+			end
+
+		elseif node.name == "lwcomponents:piston_1" then
+			if extent == 0 then
+				remove_blank (pos, 1)
+				node.name = "lwcomponents:piston"
+				minetest.swap_node (pos, node)
+				minetest.sound_play ("lwpiston_retract",
+											{
+												pos = pos,
+												max_hear_distance = 20,
+												gain = 0.3
+											},
+											true)
+
+			elseif extent == 2 then
+				if push_nodes (pos, 2) then
+					node.name = "lwcomponents:piston_2"
+					minetest.swap_node (pos, node)
+					place_blank (pos, 2)
+					minetest.sound_play ("lwpiston_extend",
+												{
+													pos = pos,
+													max_hear_distance = 20,
+													gain = 0.3
+												},
+												true)
+				end
+			end
+
+		elseif node.name == "lwcomponents:piston_2" then
+			if extent ~= 2 then
+				remove_blank (pos, 2)
+				node.name = "lwcomponents:piston_1"
+				minetest.swap_node (pos, node)
+				minetest.sound_play ("lwpiston_retract",
+											{
+												pos = pos,
+												max_hear_distance = 20,
+												gain = 0.3
+											},
+											true)
+
+				if extent == 0 then
+					meta:set_int ("extent", 0)
+					minetest.get_node_timer (pos):start (piston_interval)
+
+					return true
+				end
+			end
+
+		elseif node.name == "lwcomponents:piston_sticky" then
+			if extent ~= 0 then
+				if push_nodes (pos, 1) then
+					node.name = "lwcomponents:piston_sticky_1"
+					minetest.swap_node (pos, node)
+					place_blank (pos, 1)
+					minetest.sound_play ("lwpiston_extend",
+												{
+													pos = pos,
+													max_hear_distance = 20,
+													gain = 0.3
+												},
+												true)
+
+					if extent == 2 then
+						meta:set_int ("extent", 2)
+						minetest.get_node_timer (pos):start (piston_interval)
+
+						return true
+					end
+				end
+			end
+
+
+		elseif node.name == "lwcomponents:piston_sticky_1" then
+			if extent == 0 then
+				remove_blank (pos, 1)
+				node.name = "lwcomponents:piston_sticky"
+				minetest.swap_node (pos, node)
+				pull_node (pos, 2)
+				minetest.sound_play ("lwpiston_retract",
+											{
+												pos = pos,
+												max_hear_distance = 20,
+												gain = 0.3
+											},
+											true)
+
+			elseif extent == 2 then
+				if push_nodes (pos, 2) then
+					node.name = "lwcomponents:piston_sticky_2"
+					minetest.swap_node (pos, node)
+					place_blank (pos, 2)
+					minetest.sound_play ("lwpiston_extend",
+												{
+													pos = pos,
+													max_hear_distance = 20,
+													gain = 0.3
+												},
+												true)
+				end
+			end
+
+		elseif node.name == "lwcomponents:piston_sticky_2" then
+			if extent ~= 2 then
+				remove_blank (pos, 2)
+				node.name = "lwcomponents:piston_sticky_1"
+				minetest.swap_node (pos, node)
+				pull_node (pos, 3)
+				minetest.sound_play ("lwpiston_retract",
+											{
+												pos = pos,
+												max_hear_distance = 20,
+												gain = 0.3
+											},
+											true)
+
+				if extent == 0 then
+					meta:set_int ("extent", 0)
+					minetest.get_node_timer (pos):start (piston_interval)
+
+					return true
+				end
+			end
+		end
+	end
+
+	return false
+end
+
+
+
+local function on_destruct_1 (pos)
+	remove_blank (pos, 1)
+end
+
+
+
+local function on_destruct_2 (pos)
+	remove_blank (pos, 2)
+	remove_blank (pos, 1)
+end
+
+
+
+local function on_place (itemstack, placer, pointed_thing)
+	local param2 = 0
+
+	if placer and placer:is_player () then
+		param2 = minetest.dir_to_facedir (placer:get_look_dir (), true)
+	elseif pointed_thing and pointed_thing.type == "node" then
+		param2 = minetest.dir_to_facedir (vector.subtract (pointed_thing.under, pointed_thing.above), true)
+	end
+
+	return minetest.item_place (itemstack, placer, pointed_thing, param2)
+end
+
+
+
+
+local function after_place_node (pos, placer, itemstack, pointed_thing)
+	local meta = minetest.get_meta (pos)
+	local spec =
+	"size[7,3.3]"..
+	"field[1,1;4,2;channel;Channel;${channel}]"..
+	"button_exit[4.6,1.15;1.5,1;submit;Set]"..
+	"checkbox[1,2;single;Single move;false]"
+
+	meta:set_string ("formspec", spec)
+	meta:set_int ("max_extent", 2)
+
+	-- If return true no item is taken from itemstack
+	return false
+end
+
+
+
+local function on_receive_fields (pos, formname, fields, sender)
+	if not utils.can_interact_with_node (pos, sender) then
+		return
+	end
+
+	local meta = minetest.get_meta (pos)
+
+	if meta then
+		if fields.submit then
+			meta:set_string ("channel", fields.channel)
+		end
+
+		if fields.single then
+			if fields.single == "true" then
+				local spec =
+				"size[7,3.3]"..
+				"field[1,1;4,2;channel;Channel;${channel}]"..
+				"button_exit[4.6,1.15;1.5,1;submit;Set]"..
+				"checkbox[1,2;single;Single move;true]"
+
+				meta:set_int ("max_extent", 1)
+				meta:set_string ("formspec", spec)
+			else
+				local spec =
+				"size[7,3.3]"..
+				"field[1,1;4,2;channel;Channel;${channel}]"..
+				"button_exit[4.6,1.15;1.5,1;submit;Set]"..
+				"checkbox[1,2;single;Single move;false]"
+
+				meta:set_int ("max_extent", 2)
+				meta:set_string ("formspec", spec)
+			end
+		end
+	end
+end
+
+
+
+local function on_blast (pos, intensity)
+	local meta = minetest.get_meta (pos)
+
+	if meta then
+		if intensity >= 1.0 then
+
+			minetest.remove_node (pos)
+
+		else -- intensity < 1.0
+
+			local node = minetest.get_node_or_nil (pos)
+			if node then
+				local items = minetest.get_node_drops (node, nil)
+
+				if items and #items > 0 then
+					local stack = ItemStack (items[1])
+
+					if stack then
+						preserve_metadata (pos, node, meta, { stack })
+						utils.item_drop (stack, nil, pos)
+						minetest.remove_node (pos)
+					end
+				end
+			end
+		end
+	end
+end
+
+
+
+local function can_dig (pos, player)
+	if not utils.can_interact_with_node (pos, player) then
+		return false
+	end
+
+	return true
+end
+
+
+
+local function on_rightclick (pos, node, clicker, itemstack, pointed_thing)
+	if not utils.can_interact_with_node (pos, clicker) then
+		if clicker and clicker:is_player () then
+			local owner = "<unknown>"
+			local meta = minetest.get_meta (pos)
+
+			if meta then
+				owner = meta:get_string ("owner")
+			end
+
+			local spec =
+			"formspec_version[3]"..
+			"size[8.0,4.0,false]"..
+			"label[1.0,1.0;Owned by "..minetest.formspec_escape (owner).."]"..
+			"button_exit[3.0,2.0;2.0,1.0;close;Close]"
+
+			minetest.show_formspec (clicker:get_player_name (),
+											"lwcomponents:component_privately_owned",
+											spec)
+		end
+	end
+
+	return itemstack
+end
+
+
+
+local function on_timer (pos, elapsed)
+	local meta = minetest.get_meta (pos)
+
+	if meta then
+		return extend_piston (pos, meta:get_int ("extent"))
+	end
+
+	return false
+end
+
+
+
+local function digilines_support ()
+	if utils.digilines_supported then
+		return
+		{
+			wire =
+			{
+				rules = utils.digilines_default_rules,
+			},
+
+			effector =
+			{
+				action = function (pos, node, channel, msg)
+					local meta = minetest.get_meta(pos)
+
+					if meta then
+						local this_channel = meta:get_string ("channel")
+
+						if this_channel ~= "" and this_channel == channel then
+							if type (msg) == "string" then
+								local m = { }
+								for w in string.gmatch(msg, "[^%s]+") do
+									m[#m + 1] = w
+								end
+
+								if m[1] == "extend" then
+									extend_piston (pos, m[2])
+
+								elseif m[1] == "retract" then
+									extend_piston (pos, 0)
+
+								elseif m[1] == "single" then
+									local spec =
+									"size[7,3.3]"..
+									"field[1,1;4,2;channel;Channel;${channel}]"..
+									"button_exit[4.6,1.15;1.5,1;submit;Set]"..
+									"checkbox[1,2;single;Single move;true]"
+
+									meta:set_int ("max_extent", 1)
+									meta:set_string ("formspec", spec)
+
+								elseif m[1] == "double" then
+									local spec =
+									"size[7,3.3]"..
+									"field[1,1;4,2;channel;Channel;${channel}]"..
+									"button_exit[4.6,1.15;1.5,1;submit;Set]"..
+									"checkbox[1,2;single;Single move;false]"
+
+									meta:set_int ("max_extent", 2)
+									meta:set_string ("formspec", spec)
+
+								end
+							end
+						end
+					end
+				end,
+			}
+		}
+	end
+
+	return nil
+end
+
+
+
+local function mesecon_support ()
+	if utils.mesecon_supported then
+		return
+		{
+			effector =
+			{
+				rules = utils.mesecon_default_rules,
+
+				action_on = function (pos, node)
+					-- do something to turn the effector on
+					extend_piston (pos, 2)
+				end,
+
+				action_off = function (pos, node)
+					-- do something to turn the effector off
+					extend_piston (pos, 0)
+				end,
+			}
+		}
+	end
+
+	return nil
+end
+
+
+
+minetest.register_node("lwcomponents:piston_blank_1", {
+	description = S("Piston blank"),
+	drawtype = "airlike",
+	light_source = 0,
+	sunlight_propagates = true,
+	walkable = false,
+	pointable = false,
+	diggable = false,
+	climbable = false,
+	buildable_to = false,
+	floodable = false,
+	is_ground_content = false,
+	drop = "",
+	groups = { not_in_creative_inventory = 1 },
+	paramtype = "light",
+	-- unaffected by explosions
+	on_blast = function() end,
+})
+
+
+
+minetest.register_node("lwcomponents:piston_blank_2", {
+	description = S("Piston blank"),
+	drawtype = "airlike",
+	paramtype = "none",
+	param1 = 0,
+	paramtype2 = "facedir",
+	param2 = 0,
+	collision_box = {
+		type = "fixed",
+		fixed = {
+			{-0.125, -0.125, -0.4, 0.125, 0.125, 0.4},
+			{-0.5, -0.5, -0.5, 0.5, 0.5, -0.3125},
+		},
+	},
+	light_source = 0,
+	sunlight_propagates = true,
+	walkable = true,
+	pointable = false,
+	diggable = false,
+	climbable = false,
+	buildable_to = false,
+	floodable = false,
+	is_ground_content = false,
+	drop = "",
+	groups = { not_in_creative_inventory = 1 },
+	paramtype = "light",
+	-- unaffected by explosions
+	on_blast = function() end,
+})
+
+
+
+minetest.register_node("lwcomponents:piston", {
+	description = S("Piston"),
+	tiles = { "lwcomponents_piston_top.png", "lwcomponents_piston_bottom.png",
+				 "lwcomponents_piston_right.png", "lwcomponents_piston_left.png",
+				 "lwcomponents_piston_base.png", "lwcomponents_piston_pusher.png" },
+	is_ground_content = false,
+	groups = { cracky = 3 },
+	sounds = default.node_sound_stone_defaults (),
+	paramtype = "none",
+	param1 = 0,
+	paramtype2 = "facedir",
+	param2 = 0,
+	floodable = false,
+	drop = "lwcomponents:piston",
+	_digistuff_channelcopier_fieldname = "channel",
+
+	mesecons = mesecon_support (),
+	digiline = digilines_support (),
+
+	on_place = on_place,
+	on_receive_fields = on_receive_fields,
+	can_dig = can_dig,
+	after_place_node = after_place_node,
+	on_blast = on_blast,
+	on_rightclick = on_rightclick,
+	on_timer = on_timer
+})
+
+
+
+minetest.register_node("lwcomponents:piston_1", {
+	description = S("Piston"),
+	drawtype = "mesh",
+	mesh = "piston_normal_1.obj",
+	tiles = { "lwcomponents_piston.png" },
+	visual_scale = 1.0,
+	selection_box = {
+		type = "fixed",
+		fixed = {
+			{-0.125, -0.125, -1.4, 0.125, 0.125, 0.4},
+			{-0.5, -0.5, -1.5, 0.5, 0.5, -1.3125},
+			{-0.5, -0.5, -0.3125, 0.5, 0.5, 0.5},
+		},
+	},
+	collision_box = {
+		type = "fixed",
+		fixed = {
+			{-0.125, -0.125, -1.4, 0.125, 0.125, 0.4},
+			{-0.5, -0.5, -1.5, 0.5, 0.5, -1.3125},
+			{-0.5, -0.5, -0.3125, 0.5, 0.5, 0.5},
+		},
+	},
+	is_ground_content = false,
+	groups = { cracky = 3 , not_in_creative_inventory = 1 },
+	sounds = default.node_sound_stone_defaults (),
+	paramtype = "none",
+	param1 = 0,
+	paramtype2 = "facedir",
+	param2 = 0,
+	floodable = false,
+	drop = "lwcomponents:piston",
+	_digistuff_channelcopier_fieldname = "channel",
+
+	mesecons = mesecon_support (),
+	digiline = digilines_support (),
+
+	on_destruct = on_destruct_1,
+	on_receive_fields = on_receive_fields,
+	can_dig = can_dig,
+	after_place_node = after_place_node,
+	on_blast = on_blast,
+	on_rightclick = on_rightclick,
+	on_timer = on_timer
+})
+
+
+
+minetest.register_node("lwcomponents:piston_2", {
+	description = S("Piston"),
+	drawtype = "mesh",
+	mesh = "piston_normal_2.obj",
+	tiles = { "lwcomponents_piston.png" },
+	visual_scale = 1.0,
+	selection_box = {
+		type = "fixed",
+		fixed = {
+			{-0.125, -0.125, -2.4, 0.125, 0.125, 0.4},
+			{-0.5, -0.5, -2.5, 0.5, 0.5, -2.3125},
+			{-0.5, -0.5, -0.3125, 0.5, 0.5, 0.5},
+		},
+	},
+	collision_box = {
+		type = "fixed",
+		fixed = {
+			{-0.125, -0.125, -2.4, 0.125, 0.125, 0.4},
+			{-0.5, -0.5, -2.5, 0.5, 0.5, -2.3125},
+			{-0.5, -0.5, -0.3125, 0.5, 0.5, 0.5},
+		},
+	},
+	is_ground_content = false,
+	groups = { cracky = 3 , not_in_creative_inventory = 1 },
+	sounds = default.node_sound_stone_defaults (),
+	paramtype = "none",
+	param1 = 0,
+	paramtype2 = "facedir",
+	param2 = 0,
+	floodable = false,
+	drop = "lwcomponents:piston",
+	_digistuff_channelcopier_fieldname = "channel",
+
+	mesecons = mesecon_support (),
+	digiline = digilines_support (),
+
+	on_destruct = on_destruct_2,
+	on_receive_fields = on_receive_fields,
+	can_dig = can_dig,
+	after_place_node = after_place_node,
+	on_blast = on_blast,
+	on_rightclick = on_rightclick,
+	on_timer = on_timer
+})
+
+
+
+minetest.register_node("lwcomponents:piston_sticky", {
+	description = S("Sticky Piston"),
+	tiles = { "lwcomponents_piston_top.png", "lwcomponents_piston_bottom.png",
+				 "lwcomponents_piston_right.png", "lwcomponents_piston_left.png",
+				 "lwcomponents_piston_base.png", "lwcomponents_piston_pusher_sticky.png" },
+	is_ground_content = false,
+	groups = { cracky = 3 },
+	sounds = default.node_sound_stone_defaults (),
+	paramtype = "none",
+	param1 = 0,
+	paramtype2 = "facedir",
+	param2 = 0,
+	floodable = false,
+	drop = "lwcomponents:piston_sticky",
+	_digistuff_channelcopier_fieldname = "channel",
+
+	mesecons = mesecon_support (),
+	digiline = digilines_support (),
+
+	on_place = on_place,
+	on_receive_fields = on_receive_fields,
+	can_dig = can_dig,
+	after_place_node = after_place_node,
+	on_blast = on_blast,
+	on_rightclick = on_rightclick,
+	on_timer = on_timer
+})
+
+
+
+minetest.register_node("lwcomponents:piston_sticky_1", {
+	description = S("Sticky Piston"),
+	drawtype = "mesh",
+	mesh = "piston_sticky_1.obj",
+	tiles = { "lwcomponents_piston.png" },
+	visual_scale = 1.0,
+	selection_box = {
+		type = "fixed",
+		fixed = {
+			{-0.125, -0.125, -1.4, 0.125, 0.125, 0.4},
+			{-0.5, -0.5, -1.5, 0.5, 0.5, -1.3125},
+			{-0.5, -0.5, -0.3125, 0.5, 0.5, 0.5},
+		},
+	},
+	collision_box = {
+		type = "fixed",
+		fixed = {
+			{-0.125, -0.125, -1.4, 0.125, 0.125, 0.4},
+			{-0.5, -0.5, -1.5, 0.5, 0.5, -1.3125},
+			{-0.5, -0.5, -0.3125, 0.5, 0.5, 0.5},
+		},
+	},
+	is_ground_content = false,
+	groups = { cracky = 3 , not_in_creative_inventory = 1 },
+	sounds = default.node_sound_stone_defaults (),
+	paramtype = "none",
+	param1 = 0,
+	paramtype2 = "facedir",
+	param2 = 0,
+	floodable = false,
+	drop = "lwcomponents:piston_sticky",
+	_digistuff_channelcopier_fieldname = "channel",
+
+	mesecons = mesecon_support (),
+	digiline = digilines_support (),
+
+	on_destruct = on_destruct_1,
+	on_receive_fields = on_receive_fields,
+	can_dig = can_dig,
+	after_place_node = after_place_node,
+	on_blast = on_blast,
+	on_rightclick = on_rightclick,
+	on_timer = on_timer
+})
+
+
+
+minetest.register_node("lwcomponents:piston_sticky_2", {
+	description = S("Sticky Piston"),
+	drawtype = "mesh",
+	mesh = "piston_sticky_2.obj",
+	tiles = { "lwcomponents_piston.png" },
+	visual_scale = 1.0,
+	selection_box = {
+		type = "fixed",
+		fixed = {
+			{-0.125, -0.125, -2.4, 0.125, 0.125, 0.4},
+			{-0.5, -0.5, -2.5, 0.5, 0.5, -2.3125},
+			{-0.5, -0.5, -0.3125, 0.5, 0.5, 0.5},
+		},
+	},
+	collision_box = {
+		type = "fixed",
+		fixed = {
+			{-0.125, -0.125, -2.4, 0.125, 0.125, 0.4},
+			{-0.5, -0.5, -2.5, 0.5, 0.5, -2.3125},
+			{-0.5, -0.5, -0.3125, 0.5, 0.5, 0.5},
+		},
+	},
+	is_ground_content = false,
+	groups = { cracky = 3 , not_in_creative_inventory = 1 },
+	sounds = default.node_sound_stone_defaults (),
+	paramtype = "none",
+	param1 = 0,
+	paramtype2 = "facedir",
+	param2 = 0,
+	floodable = false,
+	drop = "lwcomponents:piston_sticky",
+	_digistuff_channelcopier_fieldname = "channel",
+
+	mesecons = mesecon_support (),
+	digiline = digilines_support (),
+
+	on_destruct = on_destruct_2,
+	on_receive_fields = on_receive_fields,
+	can_dig = can_dig,
+	after_place_node = after_place_node,
+	on_blast = on_blast,
+	on_rightclick = on_rightclick,
+	on_timer = on_timer
+})
+
+
+
+end -- utils.digilines_supported or utils.mesecon_supported
--- a/readme.txt
+++ b/readme.txt
@@ -13,7 +13,7 @@ CC BY-SA 3.0

 Version
 =======
-0.1.14
+0.1.15


 Minetest Version
@@ -63,6 +63,7 @@ Various components for mesecons and digilines.
 *	Fan, blows any entity, player or drop in front of the fan.
 *	Conduit, connected in a circuit to move items.
 *	Cannon, shoots an item on command with directional aiming (plus 3 shells).
+*	Double (optionally single) reach pistons and sticky pistons.
 *	Digiswitch, digilines controlled mesecons power.
 *	Movefloor, similar to vertical mesecons movestone.
 *	Solid color conductor blocks, same as Solid Color Block but also mesecons
@@ -92,6 +93,9 @@ Alert handler errors
 	Issue errors when handler's of other mods fail.
 	Default: true

+Maximum piston nodes
+	Maximum nodes a piston can push.
+	Default: 15


 ------------------------------------------------------------------------
--- a/settings.lua
+++ b/settings.lua
@@ -9,6 +9,9 @@ utils.settings.spawn_mobs =
 utils.settings.alert_handler_errors =
 	minetest.settings:get_bool ("lwcomponents_alert_handler_errors", true)

+utils.settings.max_piston_nodes =
+	tonumber(minetest.settings:get("lwcomponents_max_piston_nodes") or 15)
+


 --
--- a/settingtypes.txt
+++ b/settingtypes.txt
@@ -3,3 +3,6 @@ lwcomponents_spawn_mobs (Spawn mobs) bool true

 # Issue errors when handler's of other mods fail.
 lwcomponents_alert_handler_errors (Alert handler errors) bool true
+
+# Maximum nodes a piston can push.
+lwcomponents_max_piston_nodes (Maximum piston nodes) int 15
--- a/sounds/lwpiston_extend.ogg
+++ b/sounds/lwpiston_extend.ogg
--- a/sounds/lwpiston_retract.ogg
+++ b/sounds/lwpiston_retract.ogg
--- a/textures/lwcomponents_piston.png
+++ b/textures/lwcomponents_piston.png
--- a/textures/lwcomponents_piston_base.png
+++ b/textures/lwcomponents_piston_base.png
--- a/textures/lwcomponents_piston_bottom.png
+++ b/textures/lwcomponents_piston_bottom.png
--- a/textures/lwcomponents_piston_left.png
+++ b/textures/lwcomponents_piston_left.png
--- a/textures/lwcomponents_piston_pusher.png
+++ b/textures/lwcomponents_piston_pusher.png
--- a/textures/lwcomponents_piston_pusher_sticky.png
+++ b/textures/lwcomponents_piston_pusher_sticky.png
--- a/textures/lwcomponents_piston_right.png
+++ b/textures/lwcomponents_piston_right.png
--- a/textures/lwcomponents_piston_top.png
+++ b/textures/lwcomponents_piston_top.png
Author	SHA1	Message	Date
loosewheel	6d4369ee91	Add files via upload	2022-01-07 18:55:19 +10:00
loosewheel	c7ec545ef7	Add files via upload	2022-01-07 18:53:39 +10:00
loosewheel	923faa59a3	Add files via upload	2022-01-07 18:50:47 +10:00
loosewheel	201c01131f	Add files via upload	2022-01-07 18:49:57 +10:00
loosewheel	a0c9dd1d0c	Add files via upload	2022-01-07 18:49:14 +10:00