"explode" all modpacks into their individual components

(you can't have a modpack buried inside a modpack)

23 files changed, 765 insertions, 0 deletions

diff --git a/mesecons_pistons/depends.txt b/mesecons_pistons/depends.txt
new file mode 100644
index 0000000..01f085b
--- /dev/null
+++ b/mesecons_pistons/depends.txt
@@ -0,0 +1,2 @@
+mesecons
+mesecons_mvps
diff --git a/mesecons_pistons/doc/piston/description.html b/mesecons_pistons/doc/piston/description.html
new file mode 100644
index 0000000..d95dfb9
--- /dev/null
+++ b/mesecons_pistons/doc/piston/description.html
@@ -0,0 +1 @@
+Pistons are effectors, they push up to 20 blocks in front of them. The push direction can be set by placing them from different angles.
diff --git a/mesecons_pistons/doc/piston/preview.png b/mesecons_pistons/doc/piston/preview.png
new file mode 100644
index 0000000..9e9ede3
--- /dev/null
+++ b/mesecons_pistons/doc/piston/preview.png
diff --git a/mesecons_pistons/doc/piston/recipe.png b/mesecons_pistons/doc/piston/recipe.png
new file mode 100644
index 0000000..0a71159
--- /dev/null
+++ b/mesecons_pistons/doc/piston/recipe.png
diff --git a/mesecons_pistons/doc/piston_sticky/description.html b/mesecons_pistons/doc/piston_sticky/description.html
new file mode 100644
index 0000000..3974097
--- /dev/null
+++ b/mesecons_pistons/doc/piston_sticky/description.html
@@ -0,0 +1 @@
+Sticky pistons are effectors, they push up to 20 blocks in front of them. The push direction can be set by placing them from different angles. Sticky ones also pull 1 block.
diff --git a/mesecons_pistons/doc/piston_sticky/preview.png b/mesecons_pistons/doc/piston_sticky/preview.png
new file mode 100644
index 0000000..716d675
--- /dev/null
+++ b/mesecons_pistons/doc/piston_sticky/preview.png
diff --git a/mesecons_pistons/doc/piston_sticky/recipe.png b/mesecons_pistons/doc/piston_sticky/recipe.png
new file mode 100644
index 0000000..3520736
--- /dev/null
+++ b/mesecons_pistons/doc/piston_sticky/recipe.png
diff --git a/mesecons_pistons/init.lua b/mesecons_pistons/init.lua
new file mode 100644
index 0000000..bad061a
--- /dev/null
+++ b/mesecons_pistons/init.lua
@@ -0,0 +1,761 @@
+-- Get mesecon rules of pistons
+piston_rules =
+{{x=0,  y=0,  z=1}, --everything apart from z- (pusher side)
+ {x=1,  y=0,  z=0},
+ {x=-1, y=0,  z=0},
+ {x=1,  y=1,  z=0},
+ {x=1,  y=-1, z=0},
+ {x=-1, y=1,  z=0},
+ {x=-1, y=-1, z=0},
+ {x=0,  y=1,  z=1},
+ {x=0,  y=-1, z=1}}
+
+local piston_up_rules =
+{{x=0,  y=0,  z=-1}, --everything apart from y+ (pusher side)
+ {x=1,  y=0,  z=0},
+ {x=-1, y=0,  z=0},
+ {x=0,  y=0,  z=1},
+ {x=1,  y=-1, z=0},
+ {x=-1, y=-1, z=0},
+ {x=0,  y=-1, z=1},
+ {x=0,  y=-1, z=-1}}
+
+local piston_down_rules =
+{{x=0,  y=0,  z=-1}, --everything apart from y- (pusher side)
+ {x=1,  y=0,  z=0},
+ {x=-1, y=0,  z=0},
+ {x=0,  y=0,  z=1},
+ {x=1,  y=1, z=0},
+ {x=-1, y=1, z=0},
+ {x=0,  y=1, z=1},
+ {x=0,  y=1, z=-1}}
+
+local piston_get_rules = function (node)
+	local rules = piston_rules
+	for i = 1, node.param2 do
+		rules = mesecon.rotate_rules_left(rules)
+	end
+	return rules
+end
+
+piston_facedir_direction = function (node)
+	local rules = {{x = 0, y = 0, z = -1}}
+	for i = 1, node.param2 do
+		rules = mesecon.rotate_rules_left(rules)
+	end
+	return rules[1]
+end
+
+piston_get_direction = function(dir, node)
+	if type(dir) == "function" then
+		return dir(node)
+	else
+		return dir
+	end
+end
+
+local piston_remove_pusher = function(pos, node)
+	local pistonspec = minetest.registered_nodes[node.name].mesecons_piston
+	local dir = piston_get_direction(pistonspec.dir, node)
+	local pusherpos = mesecon.addPosRule(pos, dir)
+	local pushername = minetest.get_node(pusherpos).name
+
+	-- make sure there actually is a pusher (for compatibility reasons mainly)
+	if pushername ~= pistonspec.pusher then
+		return
+	end
+
+	minetest.remove_node(pusherpos)
+	minetest.sound_play("piston_retract", {
+		pos = pos,
+		max_hear_distance = 20,
+		gain = 0.3,
+	})
+	nodeupdate(pusherpos)
+end
+
+local piston_on = function(pos, node)
+	local pistonspec = minetest.registered_nodes[node.name].mesecons_piston
+
+	local dir = piston_get_direction(pistonspec.dir, node)
+	local np = mesecon.addPosRule(pos, dir)
+	local maxpush = mesecon.setting("piston_max_push", 15)
+	local success, stack, oldstack = mesecon.mvps_push(np, dir, maxpush)
+	if success then
+		minetest.add_node(pos, {param2 = node.param2, name = pistonspec.onname})
+		minetest.add_node(np,  {param2 = node.param2, name = pistonspec.pusher})
+		minetest.sound_play("piston_extend", {
+			pos = pos,
+			max_hear_distance = 20,
+			gain = 0.3,
+		})
+		mesecon.mvps_process_stack(stack)
+		mesecon.mvps_move_objects(np, dir, oldstack)
+	end
+end
+
+local piston_off = function(pos, node)
+	local pistonspec = minetest.registered_nodes[node.name].mesecons_piston
+	minetest.add_node(pos, {param2 = node.param2, name = pistonspec.offname})
+	piston_remove_pusher(pos, node)
+
+	if pistonspec.sticky then
+		local maxpull = mesecon.setting("piston_max_pull", 15)
+		local dir = piston_get_direction(pistonspec.dir, node)
+		local pullpos = vector.add(pos, vector.multiply(dir, 2))
+		local stack = mesecon.mvps_pull_single(pullpos, vector.multiply(dir, -1), maxpull)
+		mesecon.mvps_process_stack(pos, dir, stack)
+	end
+end
+
+local piston_orientate = function(pos, placer)
+	-- not placed by player
+	if not placer then return end
+
+	-- placer pitch in degrees
+	local pitch = placer:get_look_pitch() * (180 / math.pi)
+
+	local node = minetest.get_node(pos)
+	local pistonspec = minetest.registered_nodes[node.name].mesecons_piston
+	if pitch > 55 then --looking upwards
+		minetest.add_node(pos, {name=pistonspec.piston_down})
+	elseif pitch < -55 then --looking downwards
+		minetest.add_node(pos, {name=pistonspec.piston_up})
+	end
+end
+
+
+-- Horizontal pistons
+
+local pt = 3/16 -- pusher thickness
+
+local piston_pusher_box = {
+	type = "fixed",
+	fixed = {
+		{-2/16, -2/16, -.5 + pt, 2/16, 2/16,  .5 + pt},
+		{-.5  , -.5  , -.5     , .5  , .5  , -.5 + pt},
+	}
+}
+
+local piston_on_box = {
+	type = "fixed",
+	fixed = {
+		{-.5, -.5, -.5 + pt, .5, .5, .5}
+	}
+}
+
+
+-- Normal (non-sticky) ones:
+
+local pistonspec_normal = {
+	offname = "mesecons_pistons:piston_normal_off",
+	onname = "mesecons_pistons:piston_normal_on",
+	dir = piston_facedir_direction,
+	pusher = "mesecons_pistons:piston_pusher_normal",
+	piston_down = "mesecons_pistons:piston_down_normal_off",
+	piston_up   = "mesecons_pistons:piston_up_normal_off",
+}
+
+-- offstate
+minetest.register_node("mesecons_pistons:piston_normal_off", {
+	description = "Piston",
+	tiles = {
+		"mesecons_piston_top.png",
+		"mesecons_piston_bottom.png",
+		"mesecons_piston_left.png",
+		"mesecons_piston_right.png",
+		"mesecons_piston_back.png",
+		"mesecons_piston_pusher_front.png"
+		},
+	groups = {cracky = 3},
+	paramtype2 = "facedir",
+	after_place_node = piston_orientate,
+	mesecons_piston = pistonspec_normal,
+	sounds = default.node_sound_wood_defaults(),
+	mesecons = {effector={
+		action_on = piston_on,
+		rules = piston_get_rules
+	}}
+})
+
+-- onstate
+minetest.register_node("mesecons_pistons:piston_normal_on", {
+	drawtype = "nodebox",
+	tiles = {
+		"mesecons_piston_top.png",
+		"mesecons_piston_bottom.png",
+		"mesecons_piston_left.png",
+		"mesecons_piston_right.png",
+		"mesecons_piston_back.png",
+		"mesecons_piston_on_front.png"
+		},
+	inventory_image = "mesecons_piston_top.png",
+	wield_image = "mesecons_piston_top.png",
+	groups = {cracky = 3, not_in_creative_inventory = 1},
+	paramtype = "light",
+	paramtype2 = "facedir",
+	drop = "mesecons_pistons:piston_normal_off",
+	after_dig_node = piston_remove_pusher,
+	node_box = piston_on_box,
+	selection_box = piston_on_box,
+	mesecons_piston = pistonspec_normal,
+	sounds = default.node_sound_wood_defaults(),
+	mesecons = {effector={
+		action_off = piston_off,
+		rules = piston_get_rules
+	}}
+})
+
+-- pusher
+minetest.register_node("mesecons_pistons:piston_pusher_normal", {
+	drawtype = "nodebox",
+	tiles = {
+		"mesecons_piston_pusher_top.png",
+		"mesecons_piston_pusher_bottom.png",
+		"mesecons_piston_pusher_left.png",
+		"mesecons_piston_pusher_right.png",
+		"mesecons_piston_pusher_back.png",
+		"mesecons_piston_pusher_front.png"
+		},
+	paramtype = "light",
+	paramtype2 = "facedir",
+	diggable = false,
+	corresponding_piston = "mesecons_pistons:piston_normal_on",
+	selection_box = piston_pusher_box,
+	node_box = piston_pusher_box,
+})
+
+-- Sticky ones
+
+local pistonspec_sticky = {
+	offname = "mesecons_pistons:piston_sticky_off",
+	onname = "mesecons_pistons:piston_sticky_on",
+	dir = piston_facedir_direction,
+	pusher = "mesecons_pistons:piston_pusher_sticky",
+	sticky = true,
+	piston_down = "mesecons_pistons:piston_down_sticky_off",
+	piston_up   = "mesecons_pistons:piston_up_sticky_off",
+}
+
+-- offstate
+minetest.register_node("mesecons_pistons:piston_sticky_off", {
+	description = "Sticky Piston",
+	tiles = {
+		"mesecons_piston_top.png",
+		"mesecons_piston_bottom.png",
+		"mesecons_piston_left.png",
+		"mesecons_piston_right.png",
+		"mesecons_piston_back.png",
+		"mesecons_piston_pusher_front_sticky.png"
+		},
+	groups = {cracky = 3},
+	paramtype2 = "facedir",
+	after_place_node = piston_orientate,
+	mesecons_piston = pistonspec_sticky,
+	sounds = default.node_sound_wood_defaults(),
+	mesecons = {effector={
+		action_on = piston_on,
+		rules = piston_get_rules
+	}}
+})
+
+-- onstate
+minetest.register_node("mesecons_pistons:piston_sticky_on", {
+	drawtype = "nodebox",
+	tiles = {
+		"mesecons_piston_top.png",
+		"mesecons_piston_bottom.png",
+		"mesecons_piston_left.png",
+		"mesecons_piston_right.png",
+		"mesecons_piston_back.png",
+		"mesecons_piston_on_front.png"
+		},
+	inventory_image = "mesecons_piston_top.png",
+	wield_image = "mesecons_piston_top.png",
+	groups = {cracky = 3, not_in_creative_inventory = 1},
+	paramtype = "light",
+	paramtype2 = "facedir",
+	drop = "mesecons_pistons:piston_sticky_off",
+	after_dig_node = piston_remove_pusher,
+	node_box = piston_on_box,
+	selection_box = piston_on_box,
+	mesecons_piston = pistonspec_sticky,
+	sounds = default.node_sound_wood_defaults(),
+	mesecons = {effector={
+		action_off = piston_off,
+		rules = piston_get_rules
+	}}
+})
+
+-- pusher
+minetest.register_node("mesecons_pistons:piston_pusher_sticky", {
+	drawtype = "nodebox",
+	tiles = {
+		"mesecons_piston_pusher_top.png",
+		"mesecons_piston_pusher_bottom.png",
+		"mesecons_piston_pusher_left.png",
+		"mesecons_piston_pusher_right.png",
+		"mesecons_piston_pusher_back.png",
+		"mesecons_piston_pusher_front_sticky.png"
+		},
+	paramtype = "light",
+	paramtype2 = "facedir",
+	diggable = false,
+	corresponding_piston = "mesecons_pistons:piston_sticky_on",
+	selection_box = piston_pusher_box,
+	node_box = piston_pusher_box,
+})
+
+--
+--
+-- UP
+--
+--
+
+local piston_up_pusher_box = {
+	type = "fixed",
+	fixed = {
+		{-2/16, -.5 - pt, -2/16, 2/16, .5 - pt, 2/16},
+		{-.5  ,  .5 - pt, -.5  , .5  , .5     ,   .5},
+	}
+}
+
+local piston_up_on_box = {
+	type = "fixed",
+	fixed = {
+		{-.5, -.5, -.5 , .5, .5-pt, .5}
+	}
+}
+
+-- Normal
+
+local pistonspec_normal_up = {
+	offname = "mesecons_pistons:piston_up_normal_off",
+	onname = "mesecons_pistons:piston_up_normal_on",
+	dir = {x = 0, y = 1, z = 0},
+	pusher = "mesecons_pistons:piston_up_pusher_normal"
+}
+
+-- offstate
+minetest.register_node("mesecons_pistons:piston_up_normal_off", {
+	tiles = {
+		"mesecons_piston_pusher_front.png",
+		"mesecons_piston_back.png",
+		"mesecons_piston_left.png^[transformR270",
+		"mesecons_piston_right.png^[transformR90",
+		"mesecons_piston_bottom.png",
+		"mesecons_piston_top.png^[transformR180",
+		},
+	inventory_image = "mesecons_piston_top.png",
+	wield_image = "mesecons_piston_top.png",
+	groups = {cracky = 3, not_in_creative_inventory = 1},
+	paramtype2 = "facedir",
+	drop = "mesecons_pistons:piston_normal_off",
+	mesecons_piston = pistonspec_normal_up,
+	mesecons = {effector={
+		action_on = piston_on,
+		rules = piston_up_rules,
+	}}
+})
+
+-- onstate
+minetest.register_node("mesecons_pistons:piston_up_normal_on", {
+	drawtype = "nodebox",
+	tiles = {
+		"mesecons_piston_on_front.png",
+		"mesecons_piston_back.png",
+		"mesecons_piston_left.png^[transformR270",
+		"mesecons_piston_right.png^[transformR90",
+		"mesecons_piston_bottom.png",
+		"mesecons_piston_top.png^[transformR180",
+		},
+	inventory_image = "mesecons_piston_top.png",
+	wield_image = "mesecons_piston_top.png",
+	groups = {cracky = 3, not_in_creative_inventory = 1},
+	paramtype = "light",
+	paramtype2 = "facedir",
+	drop = "mesecons_pistons:piston_normal_off",
+	after_dig_node = piston_remove_pusher,
+	node_box = piston_up_on_box,
+	selection_box = piston_up_on_box,
+	mesecons_piston = pistonspec_normal_up,
+	sounds = default.node_sound_wood_defaults(),
+	mesecons = {effector={
+		action_off = piston_off,
+		rules = piston_up_rules,
+	}}
+})
+
+-- pusher
+minetest.register_node("mesecons_pistons:piston_up_pusher_normal", {
+	drawtype = "nodebox",
+	tiles = {
+		"mesecons_piston_pusher_front.png",
+		"mesecons_piston_pusher_back.png",
+		"mesecons_piston_pusher_left.png^[transformR270",
+		"mesecons_piston_pusher_right.png^[transformR90",
+		"mesecons_piston_pusher_bottom.png",
+		"mesecons_piston_pusher_top.png^[transformR180",
+		},
+	paramtype = "light",
+	paramtype2 = "facedir",
+	diggable = false,
+	corresponding_piston = "mesecons_pistons:piston_up_normal_on",
+	selection_box = piston_up_pusher_box,
+	node_box = piston_up_pusher_box,
+})
+
+
+
+-- Sticky
+
+
+local pistonspec_sticky_up = {
+	offname = "mesecons_pistons:piston_up_sticky_off",
+	onname = "mesecons_pistons:piston_up_sticky_on",
+	dir = {x = 0, y = 1, z = 0},
+	pusher = "mesecons_pistons:piston_up_pusher_sticky",
+	sticky = true
+}
+
+-- offstate
+minetest.register_node("mesecons_pistons:piston_up_sticky_off", {
+	tiles = {
+		"mesecons_piston_pusher_front_sticky.png",
+		"mesecons_piston_back.png",
+		"mesecons_piston_left.png^[transformR270",
+		"mesecons_piston_right.png^[transformR90",
+		"mesecons_piston_bottom.png",
+		"mesecons_piston_top.png^[transformR180",
+		"mesecons_piston_tb.png"
+		},
+	inventory_image = "mesecons_piston_top.png",
+	wield_image = "mesecons_piston_top.png",
+	groups = {cracky = 3, not_in_creative_inventory = 1},
+	paramtype2 = "facedir",
+	drop = "mesecons_pistons:piston_sticky_off",
+	mesecons_piston = pistonspec_sticky_up,
+	sounds = default.node_sound_wood_defaults(),
+	mesecons = {effector={
+		action_on = piston_on,
+		rules = piston_up_rules,
+	}}
+})
+
+-- onstate
+minetest.register_node("mesecons_pistons:piston_up_sticky_on", {
+	drawtype = "nodebox",
+	tiles = {
+		"mesecons_piston_on_front.png",
+		"mesecons_piston_back.png",
+		"mesecons_piston_left.png^[transformR270",
+		"mesecons_piston_right.png^[transformR90",
+		"mesecons_piston_bottom.png",
+		"mesecons_piston_top.png^[transformR180",
+		},
+	inventory_image = "mesecons_piston_top.png",
+	wield_image = "mesecons_piston_top.png",
+	groups = {cracky = 3, not_in_creative_inventory = 1},
+	paramtype = "light",
+	paramtype2 = "facedir",
+	drop = "mesecons_pistons:piston_normal_off",
+	after_dig_node = piston_remove_pusher,
+	node_box = piston_up_on_box,
+	selection_box = piston_up_on_box,
+	mesecons_piston = pistonspec_sticky_up,
+	sounds = default.node_sound_wood_defaults(),
+	mesecons = {effector={
+		action_off = piston_off,
+		rules = piston_up_rules,
+	}}
+})
+
+-- pusher
+minetest.register_node("mesecons_pistons:piston_up_pusher_sticky", {
+	drawtype = "nodebox",
+	tiles = {
+		"mesecons_piston_pusher_front_sticky.png",
+		"mesecons_piston_pusher_back.png",
+		"mesecons_piston_pusher_left.png^[transformR270",
+		"mesecons_piston_pusher_right.png^[transformR90",
+		"mesecons_piston_pusher_bottom.png",
+		"mesecons_piston_pusher_top.png^[transformR180",
+		},
+	paramtype = "light",
+	paramtype2 = "facedir",
+	diggable = false,
+	corresponding_piston = "mesecons_pistons:piston_up_sticky_on",
+	selection_box = piston_up_pusher_box,
+	node_box = piston_up_pusher_box,
+})
+
+--
+--
+-- DOWN
+--
+--
+
+local piston_down_pusher_box = {
+	type = "fixed",
+	fixed = {
+		{-2/16, -.5 + pt, -2/16, 2/16,  .5 + pt, 2/16},
+		{-.5  , -.5     , -.5  , .5  , -.5 + pt,   .5},
+	}
+}
+
+local piston_down_on_box = {
+	type = "fixed",
+	fixed = {
+		{-.5, -.5+pt, -.5 , .5, .5, .5}
+	}
+}
+
+
+
+-- Normal
+
+local pistonspec_normal_down = {
+	offname = "mesecons_pistons:piston_down_normal_off",
+	onname = "mesecons_pistons:piston_down_normal_on",
+	dir = {x = 0, y = -1, z = 0},
+	pusher = "mesecons_pistons:piston_down_pusher_normal",
+}
+
+-- offstate
+minetest.register_node("mesecons_pistons:piston_down_normal_off", {
+	tiles = {
+		"mesecons_piston_back.png",
+		"mesecons_piston_pusher_front.png",
+		"mesecons_piston_left.png^[transformR90",
+		"mesecons_piston_right.png^[transformR270",
+		"mesecons_piston_bottom.png^[transformR180",
+		"mesecons_piston_top.png",
+		},
+	inventory_image = "mesecons_piston_top.png",
+	wield_image = "mesecons_piston_top.png",
+	groups = {cracky = 3, not_in_creative_inventory = 1},
+	paramtype2 = "facedir",
+	drop = "mesecons_pistons:piston_normal_off",
+	mesecons_piston = pistonspec_normal_down,
+	sounds = default.node_sound_wood_defaults(),
+	mesecons = {effector={
+		action_on = piston_on,
+		rules = piston_down_rules,
+	}}
+})
+
+-- onstate
+minetest.register_node("mesecons_pistons:piston_down_normal_on", {
+	drawtype = "nodebox",
+	tiles = {
+		"mesecons_piston_back.png",
+		"mesecons_piston_on_front.png",
+		"mesecons_piston_left.png^[transformR90",
+		"mesecons_piston_right.png^[transformR270",
+		"mesecons_piston_bottom.png^[transformR180",
+		"mesecons_piston_top.png",
+		},
+	inventory_image = "mesecons_piston_top.png",
+	wield_image = "mesecons_piston_top.png",
+	groups = {cracky = 3, not_in_creative_inventory = 1},
+	paramtype = "light",
+	paramtype2 = "facedir",
+	drop = "mesecons_pistons:piston_normal_off",
+	after_dig_node = piston_remove_pusher,
+	node_box = piston_down_on_box,
+	selection_box = piston_down_on_box,
+	mesecons_piston = pistonspec_normal_down,
+	sounds = default.node_sound_wood_defaults(),
+	mesecons = {effector={
+		action_off = piston_off,
+		rules = piston_down_rules,
+	}}
+})
+
+-- pusher
+minetest.register_node("mesecons_pistons:piston_down_pusher_normal", {
+	drawtype = "nodebox",
+	tiles = {
+		"mesecons_piston_pusher_back.png",
+		"mesecons_piston_pusher_front.png",
+		"mesecons_piston_pusher_left.png^[transformR90",
+		"mesecons_piston_pusher_right.png^[transformR270",
+		"mesecons_piston_pusher_bottom.png^[transformR180",
+		"mesecons_piston_pusher_top.png",
+		},
+	paramtype = "light",
+	paramtype2 = "facedir",
+	diggable = false,
+	corresponding_piston = "mesecons_pistons:piston_down_normal_on",
+	selection_box = piston_down_pusher_box,
+	node_box = piston_down_pusher_box,
+})
+
+-- Sticky
+
+local pistonspec_sticky_down = {
+	onname = "mesecons_pistons:piston_down_sticky_on",
+	offname = "mesecons_pistons:piston_down_sticky_off",
+	dir = {x = 0, y = -1, z = 0},
+	pusher = "mesecons_pistons:piston_down_pusher_sticky",
+	sticky = true
+}
+
+-- offstate
+minetest.register_node("mesecons_pistons:piston_down_sticky_off", {
+	tiles = {
+		"mesecons_piston_back.png",
+		"mesecons_piston_pusher_front_sticky.png",
+		"mesecons_piston_left.png^[transformR90",
+		"mesecons_piston_right.png^[transformR270",
+		"mesecons_piston_bottom.png^[transformR180",
+		"mesecons_piston_top.png",
+		},
+	inventory_image = "mesecons_piston_top.png",
+	wield_image = "mesecons_piston_top.png",
+	groups = {cracky = 3, not_in_creative_inventory = 1},
+	paramtype2 = "facedir",
+	drop = "mesecons_pistons:piston_sticky_off",
+	mesecons_piston = pistonspec_sticky_down,
+	sounds = default.node_sound_wood_defaults(),
+	mesecons = {effector={
+		action_on = piston_on,
+		rules = piston_down_rules,
+	}}
+})
+
+-- onstate
+minetest.register_node("mesecons_pistons:piston_down_sticky_on", {
+	drawtype = "nodebox",
+	tiles = {
+		"mesecons_piston_back.png",
+		"mesecons_piston_on_front.png",
+		"mesecons_piston_left.png^[transformR90",
+		"mesecons_piston_right.png^[transformR270",
+		"mesecons_piston_bottom.png^[transformR180",
+		"mesecons_piston_top.png",
+		},
+	inventory_image = "mesecons_piston_top.png",
+	wield_image = "mesecons_piston_top.png",
+	groups = {cracky = 3, not_in_creative_inventory = 1},
+	paramtype = "light",
+	paramtype2 = "facedir",
+	drop = "mesecons_pistons:piston_sticky_off",
+	after_dig_node = piston_remove_pusher,
+	node_box = piston_down_on_box,
+	selection_box = piston_down_on_box,
+	mesecons_piston = pistonspec_sticky_down,
+	sounds = default.node_sound_wood_defaults(),
+	mesecons = {effector={
+		action_off = piston_off,
+		rules = piston_down_rules,
+	}}
+})
+
+-- pusher
+minetest.register_node("mesecons_pistons:piston_down_pusher_sticky", {
+	drawtype = "nodebox",
+	tiles = {
+		"mesecons_piston_pusher_back.png",
+		"mesecons_piston_pusher_front_sticky.png",
+		"mesecons_piston_pusher_left.png^[transformR90",
+		"mesecons_piston_pusher_right.png^[transformR270",
+		"mesecons_piston_pusher_bottom.png^[transformR180",
+		"mesecons_piston_pusher_top.png",
+		},
+	paramtype = "light",
+	paramtype2 = "facedir",
+	diggable = false,
+	corresponding_piston = "mesecons_pistons:piston_down_sticky_on",
+	selection_box = piston_down_pusher_box,
+	node_box = piston_down_pusher_box,
+})
+
+
+-- Register pushers as stoppers if they would be seperated from the piston
+local piston_pusher_get_stopper = function (node, dir, stack, stackid)
+	if (stack[stackid + 1]
+	and stack[stackid + 1].node.name   == minetest.registered_nodes[node.name].corresponding_piston
+	and stack[stackid + 1].node.param2 == node.param2)
+	or (stack[stackid - 1]
+	and stack[stackid - 1].node.name   == minetest.registered_nodes[node.name].corresponding_piston
+	and stack[stackid - 1].node.param2 == node.param2) then
+		return false
+	end
+	return true
+end
+
+local piston_pusher_up_down_get_stopper = function (node, dir, stack, stackid)
+	if (stack[stackid + 1]
+	and stack[stackid + 1].node.name   == minetest.registered_nodes[node.name].corresponding_piston)
+	or (stack[stackid - 1]
+	and stack[stackid - 1].node.name   == minetest.registered_nodes[node.name].corresponding_piston) then
+		return false
+	end
+	return true
+end
+
+mesecon.register_mvps_stopper("mesecons_pistons:piston_pusher_normal", piston_pusher_get_stopper)
+mesecon.register_mvps_stopper("mesecons_pistons:piston_pusher_sticky", piston_pusher_get_stopper)
+
+mesecon.register_mvps_stopper("mesecons_pistons:piston_up_pusher_normal", piston_pusher_up_down_get_stopper)
+mesecon.register_mvps_stopper("mesecons_pistons:piston_up_pusher_sticky", piston_pusher_up_down_get_stopper)
+
+mesecon.register_mvps_stopper("mesecons_pistons:piston_down_pusher_normal", piston_pusher_up_down_get_stopper)
+mesecon.register_mvps_stopper("mesecons_pistons:piston_down_pusher_sticky", piston_pusher_up_down_get_stopper)
+
+
+-- Register pistons as stoppers if they would be seperated from the stopper
+local piston_up_down_get_stopper = function (node, dir, stack, stackid)
+	if (stack[stackid + 1]
+	and stack[stackid + 1].node.name   == minetest.registered_nodes[node.name].mesecons_piston.pusher)
+	or (stack[stackid - 1]
+	and stack[stackid - 1].node.name   == minetest.registered_nodes[node.name].mesecons_piston.pusher) then
+		return false
+	end
+	return true
+end
+
+local piston_get_stopper = function (node, dir, stack, stackid)
+	pistonspec = minetest.registered_nodes[node.name].mesecons_piston
+	dir = piston_get_direction(pistonspec.dir, node)
+	local pusherpos  = mesecon.addPosRule(stack[stackid].pos, dir)
+	local pushernode = minetest.get_node(pusherpos)
+
+	if minetest.registered_nodes[node.name].mesecons_piston.pusher == pushernode.name then
+		for _, s in ipairs(stack) do
+			if  mesecon.cmpPos(s.pos, pusherpos) -- pusher is also to be pushed
+			and s.node.param2 == node.param2 then
+				return false
+			end
+		end
+	end
+	return true
+end
+
+mesecon.register_mvps_stopper("mesecons_pistons:piston_normal_on", piston_get_stopper)
+mesecon.register_mvps_stopper("mesecons_pistons:piston_sticky_on", piston_get_stopper)
+
+mesecon.register_mvps_stopper("mesecons_pistons:piston_up_normal_on", piston_up_down_get_stopper)
+mesecon.register_mvps_stopper("mesecons_pistons:piston_up_sticky_on", piston_up_down_get_stopper)
+
+mesecon.register_mvps_stopper("mesecons_pistons:piston_down_normal_on", piston_up_down_get_stopper)
+mesecon.register_mvps_stopper("mesecons_pistons:piston_down_sticky_on", piston_up_down_get_stopper)
+
+--craft recipes
+minetest.register_craft({
+	output = "mesecons_pistons:piston_normal_off 2",
+	recipe = {
+		{"group:wood", "group:wood", "group:wood"},
+		{"default:cobble", "default:steel_ingot", "default:cobble"},
+		{"default:cobble", "group:mesecon_conductor_craftable", "default:cobble"},
+	}
+})
+
+minetest.register_craft({
+	output = "mesecons_pistons:piston_sticky_off",
+	recipe = {
+		{"mesecons_materials:glue"},
+		{"mesecons_pistons:piston_normal_off"},
+	}
+})
diff --git a/mesecons_pistons/sounds/piston_extend.ogg b/mesecons_pistons/sounds/piston_extend.ogg
new file mode 100644
index 0000000..e234ad9
--- /dev/null
+++ b/mesecons_pistons/sounds/piston_extend.ogg
diff --git a/mesecons_pistons/sounds/piston_retract.ogg b/mesecons_pistons/sounds/piston_retract.ogg
new file mode 100644
index 0000000..feb9f04
--- /dev/null
+++ b/mesecons_pistons/sounds/piston_retract.ogg
diff --git a/mesecons_pistons/textures/mesecons_piston_back.png b/mesecons_pistons/textures/mesecons_piston_back.png
new file mode 100644
index 0000000..6a57dce
--- /dev/null
+++ b/mesecons_pistons/textures/mesecons_piston_back.png
diff --git a/mesecons_pistons/textures/mesecons_piston_bottom.png b/mesecons_pistons/textures/mesecons_piston_bottom.png
new file mode 100644
index 0000000..5a3af9b
--- /dev/null
+++ b/mesecons_pistons/textures/mesecons_piston_bottom.png
diff --git a/mesecons_pistons/textures/mesecons_piston_left.png b/mesecons_pistons/textures/mesecons_piston_left.png
new file mode 100644
index 0000000..215dd73
--- /dev/null
+++ b/mesecons_pistons/textures/mesecons_piston_left.png
diff --git a/mesecons_pistons/textures/mesecons_piston_on_front.png b/mesecons_pistons/textures/mesecons_piston_on_front.png
new file mode 100644
index 0000000..0ade67e
--- /dev/null
+++ b/mesecons_pistons/textures/mesecons_piston_on_front.png
diff --git a/mesecons_pistons/textures/mesecons_piston_pusher_back.png b/mesecons_pistons/textures/mesecons_piston_pusher_back.png
new file mode 100644
index 0000000..fe87943
--- /dev/null
+++ b/mesecons_pistons/textures/mesecons_piston_pusher_back.png
diff --git a/mesecons_pistons/textures/mesecons_piston_pusher_bottom.png b/mesecons_pistons/textures/mesecons_piston_pusher_bottom.png
new file mode 100644
index 0000000..87c4e81
--- /dev/null
+++ b/mesecons_pistons/textures/mesecons_piston_pusher_bottom.png
diff --git a/mesecons_pistons/textures/mesecons_piston_pusher_front.png b/mesecons_pistons/textures/mesecons_piston_pusher_front.png
new file mode 100644
index 0000000..8ec9dc6
--- /dev/null
+++ b/mesecons_pistons/textures/mesecons_piston_pusher_front.png
diff --git a/mesecons_pistons/textures/mesecons_piston_pusher_front_sticky.png b/mesecons_pistons/textures/mesecons_piston_pusher_front_sticky.png
new file mode 100644
index 0000000..e38b4e6
--- /dev/null
+++ b/mesecons_pistons/textures/mesecons_piston_pusher_front_sticky.png
diff --git a/mesecons_pistons/textures/mesecons_piston_pusher_left.png b/mesecons_pistons/textures/mesecons_piston_pusher_left.png
new file mode 100644
index 0000000..bc5495b
--- /dev/null
+++ b/mesecons_pistons/textures/mesecons_piston_pusher_left.png
diff --git a/mesecons_pistons/textures/mesecons_piston_pusher_right.png b/mesecons_pistons/textures/mesecons_piston_pusher_right.png
new file mode 100644
index 0000000..32ee32f
--- /dev/null
+++ b/mesecons_pistons/textures/mesecons_piston_pusher_right.png
diff --git a/mesecons_pistons/textures/mesecons_piston_pusher_top.png b/mesecons_pistons/textures/mesecons_piston_pusher_top.png
new file mode 100644
index 0000000..72f04e9
--- /dev/null
+++ b/mesecons_pistons/textures/mesecons_piston_pusher_top.png
diff --git a/mesecons_pistons/textures/mesecons_piston_right.png b/mesecons_pistons/textures/mesecons_piston_right.png
new file mode 100644
index 0000000..176463c
--- /dev/null
+++ b/mesecons_pistons/textures/mesecons_piston_right.png
diff --git a/mesecons_pistons/textures/mesecons_piston_top.png b/mesecons_pistons/textures/mesecons_piston_top.png
new file mode 100644
index 0000000..5c8bace
--- /dev/null
+++ b/mesecons_pistons/textures/mesecons_piston_top.png