New node

Linear sticky block
Flat sticky block
Slippy block

mesecons_stickyblocks_linear/depends.txt

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+mesecons
+mesecons_mvps

mesecons_stickyblocks_linear/init.lua

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+-- Sticky blocks can be used together with pistons or movestones to push / pull
+-- structures that are "glued" together using sticky blocks
+	
+	-- X sticky block linear
+minetest.register_node("mesecons_stickyblocks_linear:sticky_block_x", {
+	description = "X Sticky Block",
+	drawtype = "nodebox",
+	drop = "mesecons_stickyblocks_linear:sticky_block_y",
+	tiles = {
+		"mesecons_stickyblocks_linear.png",
+		"mesecons_stickyblocks_linear.png",
+		"mesecons_stickyblocks_linear_sticky.png",
+		"mesecons_stickyblocks_linear_sticky.png",
+		"mesecons_stickyblocks_linear.png",
+		"mesecons_stickyblocks_linear.png",
+	},                                                                
+	is_ground_content = false,
+	groups = {choppy=3, oddly_breakable_by_hand=2, sticky=1, not_in_creative_inventory = 1},
+	mvps_sticky = function (pos, node)
+		local connected = {}
+		for _, r in ipairs(mesecon.rules.x) do
+			table.insert(connected, vector.add(pos, r))
+		end
+		return connected
+	end,
+	node_box = {
+		type = "fixed",
+		fixed = {
+			{-0.375, -0.375, -0.375, 0.375, 0.375, 0.375},
+			{0.375, -0.5, -0.5, 0.5, 0.5, 0.5},
+			{-0.5, -0.5, -0.5, -0.375, 0.5, 0.5},
+		}
+	},                                                                
+	sounds = default.node_sound_wood_defaults(),
+	on_punch = function(pos, node, player, pointed_thing)
+		if string.find(player:get_wielded_item():get_name(), "sticky_") then
+			minetest.swap_node(pos, {name = "mesecons_stickyblocks_linear:sticky_block_y" })
+		end
+	end,
+})
+	
+	--  Y sticky block
+minetest.register_node("mesecons_stickyblocks_linear:sticky_block_y", {
+	description = "Linear Sticky Block",
+	drawtype = "nodebox",
+	tiles = {
+		"mesecons_stickyblocks_linear_sticky.png",
+		"mesecons_stickyblocks_linear_sticky.png",
+		"mesecons_stickyblocks_linear.png",
+		"mesecons_stickyblocks_linear.png",
+		"mesecons_stickyblocks_linear.png",
+		"mesecons_stickyblocks_linear.png",
+	},
+	is_ground_content = false,
+	groups = {choppy=3, oddly_breakable_by_hand=2, sticky=1},
+	mvps_sticky = function (pos, node)
+		local connected = {}
+		for _, r in ipairs(mesecon.rules.y) do
+			table.insert(connected, vector.add(pos, r))
+		end
+		return connected
+	end,
+	node_box = {
+		type = "fixed",
+		fixed = {
+			{-0.375, -0.375, -0.375, 0.375, 0.375, 0.375},
+			{-0.5, 0.375, -0.5, 0.5, 0.5, 0.5},
+			{-0.5, -0.5, -0.5, 0.5, -0.375, 0.5},
+		}
+	},                                                                   
+	sounds = default.node_sound_wood_defaults(),
+	on_punch = function(pos, node, player, pointed_thing)
+		if string.find(player:get_wielded_item():get_name(), "sticky_") then
+			minetest.swap_node(pos, {name = "mesecons_stickyblocks_linear:sticky_block_z" })
+		end
+	end,
+})
+	
+	--  Z sticky block
+minetest.register_node("mesecons_stickyblocks_linear:sticky_block_z", {
+	description = "Z Sticky Block",
+	drawtype = "nodebox",
+	drop = "mesecons_stickyblocks_linear:sticky_block_y",
+	tiles = {
+		"mesecons_stickyblocks_linear.png",
+		"mesecons_stickyblocks_linear.png",
+		"mesecons_stickyblocks_linear.png",
+		"mesecons_stickyblocks_linear.png",
+		"mesecons_stickyblocks_linear_sticky.png",
+		"mesecons_stickyblocks_linear_sticky.png",
+	},                                                                   
+	is_ground_content = false,
+	groups = {choppy=3, oddly_breakable_by_hand=2, sticky=1, not_in_creative_inventory = 1},
+	mvps_sticky = function (pos, node)
+		local connected = {}
+		for _, r in ipairs(mesecon.rules.z) do
+			table.insert(connected, vector.add(pos, r))
+		end
+		return connected
+	end,
+	node_box = {
+		type = "fixed",
+		fixed = {
+			{-0.375, -0.375, -0.375, 0.375, 0.375, 0.375},
+			{-0.5, -0.5, 0.375, 0.5, 0.5, 0.5},
+			{-0.5, -0.5, -0.5, 0.5, 0.5, -0.375},
+		}                                                                
+	},
+	sounds = default.node_sound_wood_defaults(),
+	on_punch = function(pos, node, player, pointed_thing)
+		if string.find(player:get_wielded_item():get_name(), "sticky_") then
+			minetest.swap_node(pos, {name = "mesecons_stickyblocks_linear:sticky_block_x" })
+		end
+	end,
+})
+	
+mesecon.rules.y = {
+	{x =  0, y =  1, z =  0},
+	{x =  0, y = -1, z =  0},
+	{x =  0, y =  0, z =  0},
+	{x =  0, y =  0, z =  0},
+}
+
+mesecon.rules.x = {
+	{x =  1, y =  0, z =  0},
+	{x = -1, y =  0, z =  0},
+	{x =  0, y =  0, z =  0},
+	{x =  0, y =  0, z =  0},
+}
+
+mesecon.rules.z = {
+	{x =  0, y =  0, z =  0},
+	{x =  0, y =  0, z =  0},
+	{x =  0, y =  0, z =  1},
+	{x =  0, y =  0, z = -1},
+}
+	
+minetest.register_craft({
+	output = "mesecons_stickyblocks_linear:sticky_block_y",
+	recipe = {
+		{"group:wood"},
+		{"mesecons_materials:glue"},
+	}
+})