game/technic.git

			@@ -1,215 +1,380 @@
			local S = technic.getter

			frames = {}

			local infinite_stacks = minetest.settings:get_bool("creative_mode")
			and minetest.get_modpath("unified_inventory") == nil

			local frames_pos = {}

			-- Helpers

			local function get_face(pos,ppos,pvect)
			local function get_face(pos, ppos, pvect)
			-- Raytracer to get which face has been clicked
			ppos={x=ppos.x-pos.x,y=ppos.y-pos.y+1.5,z=ppos.z-pos.z}
			if pvect.x>0 then
			local t=(-0.5-ppos.x)/pvect.x
			local y_int=ppos.y+t*pvect.y
			local z_int=ppos.z+t*pvect.z
			if y_int>-0.4 and y_int<0.4 and z_int>-0.4 and z_int<0.4 then return 1 end
			elseif pvect.x<0 then
			local t=(0.5-ppos.x)/pvect.x
			local y_int=ppos.y+t*pvect.y
			local z_int=ppos.z+t*pvect.z
			if y_int>-0.4 and y_int<0.4 and z_int>-0.4 and z_int<0.4 then return 2 end
			ppos = { x = ppos.x - pos.x, y = ppos.y - pos.y + 1.5, z = ppos.z - pos.z }

			if pvect.x > 0 then
			local t = (-0.5 - ppos.x) / pvect.x
			local y_int = ppos.y + t * pvect.y
			local z_int = ppos.z + t * pvect.z
			if y_int > -0.45 and y_int < 0.45 and z_int > -0.45 and z_int < 0.45 then
			return 1
			end
			elseif pvect.x < 0 then
			local t = (0.5 - ppos.x) / pvect.x
			local y_int = ppos.y + t * pvect.y
			local z_int = ppos.z + t * pvect.z
			if y_int > -0.45 and y_int < 0.45 and z_int > -0.45 and z_int < 0.45 then
			return 2
			end
			end
			if pvect.y>0 then
			local t=(-0.5-ppos.y)/pvect.y
			local x_int=ppos.x+t*pvect.x
			local z_int=ppos.z+t*pvect.z
			if x_int>-0.4 and x_int<0.4 and z_int>-0.4 and z_int<0.4 then return 3 end
			elseif pvect.y<0 then
			local t=(0.5-ppos.y)/pvect.y
			local x_int=ppos.x+t*pvect.x
			local z_int=ppos.z+t*pvect.z
			if x_int>-0.4 and x_int<0.4 and z_int>-0.4 and z_int<0.4 then return 4 end

			if pvect.y > 0 then
			local t = (-0.5 - ppos.y) / pvect.y
			local x_int = ppos.x + t * pvect.x
			local z_int = ppos.z + t * pvect.z
			if x_int > -0.45 and x_int < 0.45 and z_int > -0.45 and z_int < 0.45 then
			return 3
			end
			elseif pvect.y < 0 then
			local t = (0.5 - ppos.y) / pvect.y
			local x_int = ppos.x + t * pvect.x
			local z_int = ppos.z + t * pvect.z
			if x_int > -0.45 and x_int < 0.45 and z_int > -0.45 and z_int < 0.45 then
			return 4
			end
			end
			if pvect.z>0 then
			local t=(-0.5-ppos.z)/pvect.z
			local x_int=ppos.x+t*pvect.x
			local y_int=ppos.y+t*pvect.y
			if x_int>-0.4 and x_int<0.4 and y_int>-0.4 and y_int<0.4 then return 5 end
			elseif pvect.z<0 then
			local t=(0.5-ppos.z)/pvect.z
			local x_int=ppos.x+t*pvect.x
			local y_int=ppos.y+t*pvect.y
			if x_int>-0.4 and x_int<0.4 and y_int>-0.4 and y_int<0.4 then return 6 end

			if pvect.z > 0 then
			local t = (-0.5 - ppos.z) / pvect.z
			local x_int = ppos.x + t * pvect.x
			local y_int = ppos.y + t * pvect.y
			if x_int > -0.45 and x_int < 0.45 and y_int > -0.45 and y_int < 0.45 then
			return 5
			end
			elseif pvect.z < 0 then
			local t = (0.5 - ppos.z) / pvect.z
			local x_int = ppos.x + t * pvect.x
			local y_int = ppos.y + t * pvect.y
			if x_int > -0.45 and x_int < 0.45 and y_int > -0.45 and y_int < 0.45 then
			return 6
			end
			end
			end

			local function pos_in_list(l,pos)
			for _,p in ipairs(l) do
			if p.x==pos.x and p.y==pos.y and p.z==pos.z then return true end
			local function lines(str)
			local t = {}
			local function helper(line) table.insert(t, line) return "" end
			helper(str:gsub("(.-)\r?\n", helper))
			return t
			end

			local function pos_to_string(pos)
			if pos.x == 0 then pos.x = 0 end -- Fix for signed 0
			if pos.y == 0 then pos.y = 0 end -- Fix for signed 0
			if pos.z == 0 then pos.z = 0 end -- Fix for signed 0
			return tostring(pos.x).."\n"..tostring(pos.y).."\n"..tostring(pos.z)
			end

			local function pos_from_string(str)
			local l = lines(str)
			return { x = tonumber(l[1]), y = tonumber(l[2]), z = tonumber(l[3]) }
			end

			local function pos_in_list(l, pos)
			for _, p in ipairs(l) do
			if p.x == pos.x and p.y == pos.y and p.z == pos.z then
			return true
			end
			end
			return false
			end

			local function add_table(table,toadd)
			local i=1
			while true do
			o=table[i]
			if o==toadd then return end
			if o==nil then break end
			i=i+1
			local function table_empty(table)
			for _, __ in pairs(table) do
			return false
			end
			table[i]=toadd
			return true
			end

			local function move_nodes_vect(poslist,vect,must_not_move,owner)
			local function add_table(table, toadd)
			local i = 1
			while true do
			o = table[i]
			if o == toadd then return end
			if o == nil then break end
			i = i + 1
			end
			table[i] = toadd
			end

			local function move_nodes_vect(poslist, vect, must_not_move, owner)
			if minetest.is_protected then
			for _,pos in ipairs(poslist) do
			local npos=frames.addVect(pos,vect)
			for _, pos in ipairs(poslist) do
			local npos = vector.add(pos, vect)
			if minetest.is_protected(pos, owner) or minetest.is_protected(npos, owner) then
			return
			end
			end
			end
			for _,pos in ipairs(poslist) do
			local npos=vector.add(pos,vect)
			local name = minetest.env:get_node(npos).name
			if (name~="air" and minetest.registered_nodes[name].liquidtype=="none") and not(pos_in_list(poslist,npos)) then

			for _, pos in ipairs(poslist) do
			local npos = vector.add(pos, vect)
			local name = minetest.get_node(npos).name
			if (name ~= "air" and minetest.registered_nodes[name].liquidtype == "none" or
			frames_pos[pos_to_string(npos)]) and not pos_in_list(poslist, npos) then
			return
			end
			if pos.x==must_not_move.x and pos.y==must_not_move.y and pos.z==must_not_move.z then
			return
			end
			end
			nodelist={}
			for _,pos in ipairs(poslist) do
			local node=minetest.env:get_node(pos)
			local meta=minetest.env:get_meta(pos):to_table()
			nodelist[#(nodelist)+1]={pos=pos,node=node,meta=meta}

			local nodelist = {}
			for _, pos in ipairs(poslist) do
			local node = minetest.get_node(pos)
			local meta = minetest.get_meta(pos):to_table()
			local timer = minetest.get_node_timer(pos)
			nodelist[#nodelist + 1] = {
			oldpos = pos,
			pos = vector.add(pos, vect),
			node = node,
			meta = meta,
			timer = {
			timeout = timer:get_timeout(),
			elapsed = timer:get_elapsed()
			}
			}
			end
			objects={}
			for _,pos in ipairs(poslist) do
			for _,object in ipairs(minetest.env:get_objects_inside_radius(pos, 1)) do
			add_table(objects,object)

			local objects = {}
			for _, pos in ipairs(poslist) do
			for _, object in ipairs(minetest.get_objects_inside_radius(pos, 1)) do
			local entity = object:get_luaentity()
			if not entity or not mesecon.is_mvps_unmov(entity.name) then
			add_table(objects, object)
			end
			end
			end
			for _,obj in ipairs(objects) do
			obj:setpos(vector.add(obj:getpos(),vect))
			le=obj:get_luaentity()
			if le and le.name == "pipeworks:tubed_item" then
			le.start_pos=vector.add(le.start_pos,vect)
			end

			for _, obj in ipairs(objects) do
			obj:setpos(vector.add(obj:getpos(), vect))
			end
			for _,n in ipairs(nodelist) do
			local npos=vector.add(n.pos,vect)
			minetest.env:set_node(npos,n.node)
			local meta=minetest.env:get_meta(npos)

			for _, n in ipairs(nodelist) do
			local npos = n.pos
			minetest.set_node(npos, n.node)
			local meta = minetest.get_meta(npos)
			meta:from_table(n.meta)
			for __,pos in ipairs(poslist) do
			if npos.x==pos.x and npos.y==pos.y and npos.z==pos.z then
			local timer = minetest.get_node_timer(npos)
			if n.timer.timeout ~= 0 or n.timer.elapsed ~= 0 then
			timer:set(n.timer.timeout, n.timer.elapsed)
			end
			for __, pos in ipairs(poslist) do
			if npos.x == pos.x and npos.y == pos.y and npos.z == pos.z then
			table.remove(poslist, __)
			break
			end
			end
			end
			for __,pos in ipairs(poslist) do
			minetest.env:remove_node(pos)

			for __, pos in ipairs(poslist) do
			minetest.remove_node(pos)
			end

			for _, callback in ipairs(mesecon.on_mvps_move) do
			callback(nodelist)
			end
			end


			local function is_supported_node(name)
			return string.find(name, "tube") and string.find(name, "pipeworks")
			end

			-- Frames
			for xm=0,1 do
			for xp=0,1 do
			for ym=0,1 do
			for yp=0,1 do
			for zm=0,1 do
			for zp=0,1 do
			for xm = 0, 1 do
			for xp = 0, 1 do
			for ym = 0, 1 do
			for yp = 0, 1 do
			for zm = 0, 1 do
			for zp = 0, 1 do

			local a=8/16
			local b=7/16
			local nodeboxes= {
			{ -a, -a, -a, -b, a, -b },
			{ -a, -a, b, -b, a, a },
			{ b, -a, b, a, a, a },
			{ b, -a, -a, a, a, -b },
			local a = 8 / 16
			local b = 7 / 16
			local nodeboxes = {
			{ -a, -a, -a, -b, a, -b },
			{ -a, -a, b, -b, a, a },

			{ -b, b, -a, b, a, -b },
			{ -b, -a, -a, b, -b, -b },

			{ -b, b, b, b, a, a },
			{ -b, -a, b, b, -b, a },
			{ b, -a, b, a, a, a },
			{ b, -a, -a, a, a, -b },

			{ b, b, -b, a, a, b },
			{ b, -a, -b, a, -b, b },
			{ -b, b, -a, b, a, -b },
			{ -b, -a, -a, b, -b, -b },

			{ -a, b, -b, -b, a, b },
			{ -a, -a, -b, -b, -b, b },
			{ -b, b, b, b, a, a },
			{ -b, -a, b, b, -b, a },

			{ b, b, -b, a, a, b },
			{ b, -a, -b, a, -b, b },

			{ -a, b, -b, -b, a, b },
			{ -a, -a, -b, -b, -b, b },
			}

			if yp==0 then
			table.insert(nodeboxes, {-b,b,-b, b,a,b})
			end
			if ym==0 then
			table.insert(nodeboxes, {-b,-a,-b, b,-b,b})
			end
			if xp==0 then
			table.insert(nodeboxes, {b,b,b,a,-b,-b})
			end
			if xm==0 then
			table.insert(nodeboxes, {-a,-b,-b,-b,b,b})
			end
			if zp==0 then
			table.insert(nodeboxes, {-b,-b,b, b,b,a})
			end
			if zm==0 then
			table.insert(nodeboxes, {-b,-b,-a, b,b,-b})
			end

			local nameext=tostring(xm)..tostring(xp)..tostring(ym)..tostring(yp)..tostring(zm)..tostring(zp)
			local groups = {snappy=2,choppy=2,oddly_breakable_by_hand=2}
			if nameext~="111111" then groups.not_in_creative_inventory=1 end


			minetest.register_node("technic:frame_"..nameext,{
			description = "Frame",
			tiles = {"technic_frame.png"},
			groups=groups,
			if yp == 0 then
			table.insert(nodeboxes, { -b, b, -b, b, a, b })
			end
			if ym == 0 then
			table.insert(nodeboxes, { -b, -a, -b, b, -b, b })
			end
			if xp == 0 then
			table.insert(nodeboxes, { b, b, b, a, -b, -b })
			end
			if xm == 0 then
			table.insert(nodeboxes, { -a, -b, -b, -b, b, b })
			end
			if zp == 0 then
			table.insert(nodeboxes, { -b, -b, b, b, b, a })
			end
			if zm == 0 then
			table.insert(nodeboxes, { -b, -b, -a, b, b, -b })
			end

			local nameext = string.format("%d%d%d%d%d%d", xm, xp, ym, yp, zm, zp)
			local groups = { snappy = 2, choppy = 2, oddly_breakable_by_hand = 2 }
			if nameext ~= "111111" then groups.not_in_creative_inventory = 1 end


			minetest.register_node("technic:frame_"..nameext, {
			description = S("Frame"),
			tiles = { "technic_frame.png" },
			groups = groups,
			drawtype = "nodebox",
			node_box = {
			type = "fixed",
			fixed=nodeboxes,
			fixed = nodeboxes,
			},
			selection_box = {
			type="fixed",
			fixed={-0.5,-0.5,-0.5,0.5,0.5,0.5}
			type = "fixed",
			fixed = { -0.5, -0.5, -0.5, 0.5, 0.5, 0.5 }
			},
			paramtype = "light",
			frame=1,
			drop="technic:frame_111111",
			frame_connect_all=function(pos)
			local nodename=minetest.env:get_node(pos).name
			l2={}
			l1={{x=-1,y=0,z=0},{x=1,y=0,z=0},{x=0,y=-1,z=0},{x=0,y=1,z=0},{x=0,y=0,z=-1},{x=0,y=0,z=1}}
			for i,dir in ipairs(l1) do
			if string.sub(nodename,-7+i,-7+i)=="1" then
			l2[#(l2)+1]=dir
			frame = 1,
			drop = "technic:frame_111111",
			sunlight_propagates = true,

			frame_connect_all = function(nodename)
			l2 = {}
			l1 = {
			{ x = -1, y = 0, z = 0 }, { x = 1, y = 0, z = 0 },
			{ x = 0, y = -1, z = 0 }, { x = 0, y = 1, z = 0 },
			{ x = 0, y = 0, z = -1 }, { x = 0, y = 0, z = 1 }
			}
			for i, dir in ipairs(l1) do
			if string.sub(nodename, -7 + i, -7 + i) == "1" then
			l2[#l2 + 1] = dir
			end
			end
			return l2
			end,
			on_punch=function(pos,node,puncher)
			local ppos=puncher:getpos()
			local pvect=puncher:get_look_dir()
			local pface=get_face(pos,ppos,pvect)
			if pface==nil then return end
			local nodename=node.name
			local newstate=tostring(1-tonumber(string.sub(nodename,-7+pface,-7+pface)))
			if pface<=5 then
			nodename=string.sub(nodename,1,-7+pface-1)..newstate..string.sub(nodename,-7+pface+1)

			on_punch = function(pos, node, puncher)
			local ppos = puncher:getpos()
			local pvect = puncher:get_look_dir()
			local pface = get_face(pos, ppos, pvect)

			if pface == nil then return end

			local nodename = node.name
			local newstate = tostring(1 - tonumber(string.sub(nodename, pface - 7, pface - 7)))
			if pface <= 5 then
			nodename = string.sub(nodename, 1, pface - 7 - 1)..newstate..string.sub(nodename, pface - 7 + 1)
			else
			nodename=string.sub(nodename,1,-2)..newstate
			nodename = string.sub(nodename, 1, -2)..newstate
			end
			node.name=nodename
			minetest.env:set_node(pos,node)
			end

			node.name = nodename
			minetest.set_node(pos, node)
			end,

			on_place = function(itemstack, placer, pointed_thing)
			local pos = pointed_thing.above

			if minetest.is_protected(pos, placer:get_player_name()) then
			minetest.log("action", placer:get_player_name()
			.. " tried to place " .. itemstack:get_name()
			.. " at protected position "
			.. minetest.pos_to_string(pos))
			minetest.record_protection_violation(pos, placer:get_player_name())
			return itemstack
			end

			if pos == nil then return end

			local node = minetest.get_node(pos)
			if node.name ~= "air" then
			if is_supported_node(node.name) then
			obj = minetest.add_entity(pos, "technic:frame_entity")
			obj:get_luaentity():set_node({ name = itemstack:get_name() })
			end
			else
			minetest.set_node(pos, { name = itemstack:get_name() })
			end

			if not infinite_stacks then
			itemstack:take_item()
			end
			return itemstack
			end,

			on_rightclick = function(pos, node, placer, itemstack, pointed_thing)
			if is_supported_node(itemstack:get_name()) then
			if minetest.is_protected(pos, placer:get_player_name()) then
			minetest.log("action", placer:get_player_name()
			.. " tried to place " .. itemstack:get_name()
			.. " at protected position "
			.. minetest.pos_to_string(pos))
			minetest.record_protection_violation(pos, placer:get_player_name())
			return itemstack
			end

			minetest.set_node(pos, { name = itemstack:get_name() })

			local take_item = true
			local def = minetest.registered_items[itemstack:get_name()]
			-- Run callback
			if def.after_place_node then
			-- Copy place_to because callback can modify it
			local pos_copy = vector.new(pos)
			if def.after_place_node(pos_copy, placer, itemstack) then
			take_item = false
			end
			end

			-- Run script hook
			local _, callback
			for _, callback in ipairs(minetest.registered_on_placenodes) do
			-- Copy pos and node because callback can modify them
			local pos_copy = { x = pos.x, y = pos.y, z = pos.z }
			local newnode_copy = { name = def.name, param1 = 0, param2 = 0 }
			local oldnode_copy = { name = "air", param1 = 0, param2 = 0 }
			if callback(pos_copy, newnode_copy, placer, oldnode_copy, itemstack) then
			take_item = false
			end
			end

			if take_item then
			itemstack:take_item()
			end

			obj = minetest.add_entity(pos, "technic:frame_entity")
			obj:get_luaentity():set_node({ name = node.name })

			return itemstack
			else
			--local pointed_thing = { type = "node", under = pos }
			if pointed_thing then
			return minetest.item_place_node(itemstack, placer, pointed_thing)
			end
			end
			end,
			})

			end
			@@ -219,87 +384,334 @@
			end
			end

			minetest.register_entity("technic:frame_entity", {
			initial_properties = {
			physical = true,
			collisionbox = { -0.5, -0.5, -0.5, 0.5, 0.5, 0.5 },
			visual = "wielditem",
			textures = {},
			visual_size = { x = 0.667, y = 0.667 },
			},

			node = {},

			set_node = function(self, node)
			self.node = node
			local pos = vector.round(self.object:getpos())
			frames_pos[pos_to_string(pos)] = node.name

			local stack = ItemStack(node.name)
			local itemtable = stack:to_table()
			local itemname = nil

			if itemtable then
			itemname = stack:to_table().name
			end

			local item_texture = nil
			local item_type = ""
			if minetest.registered_items[itemname] then
			item_texture = minetest.registered_items[itemname].inventory_image
			item_type = minetest.registered_items[itemname].type
			end
			prop = {
			is_visible = true,
			textures = { node.name },
			}
			self.object:set_properties(prop)
			end,

			get_staticdata = function(self)
			return self.node.name
			end,

			on_activate = function(self, staticdata)
			self.object:set_armor_groups({ immortal = 1 })
			self:set_node({ name = staticdata })
			end,

			dig = function(self)
			minetest.handle_node_drops(self.object:getpos(), { ItemStack("technic:frame_111111") }, self.last_puncher)
			local pos = vector.round(self.object:getpos())
			frames_pos[pos_to_string(pos)] = nil
			self.object:remove()
			end,

			on_punch = function(self, puncher, time_from_last_punch, tool_capabilities, dir)
			local pos = self.object:getpos()
			if self.damage_object == nil then
			self.damage_object = minetest.add_entity(pos, "technic:damage_entity")
			self.damage_object:get_luaentity().remaining_time = 0.25
			self.damage_object:get_luaentity().frame_object = self
			self.damage_object:get_luaentity().texture_index = 0
			self.damage_object:get_luaentity().texture_change_time = 0.15
			else
			self.damage_object:get_luaentity().remaining_time = 0.25
			end

			self.last_puncher = puncher
			local ppos = puncher:getpos()
			local pvect = puncher:get_look_dir()
			local pface = get_face(pos, ppos, pvect)
			if pface == nil then return end
			local nodename = self.node.name
			local newstate = tostring(1 - tonumber(string.sub(nodename, pface - 7, pface - 7)))

			if pface <= 5 then
			nodename = string.sub(nodename, 1, pface - 7 - 1)..newstate..string.sub(nodename, pface - 7 + 1)
			else
			nodename = string.sub(nodename, 1, -2)..newstate
			end

			self.node.name = nodename
			self:set_node(self.node)
			end,

			on_rightclick = function(self, clicker)
			local pos = self.object:getpos()
			local ppos = clicker:getpos()
			local pvect = clicker:get_look_dir()
			local pface = get_face(pos, ppos, pvect)

			if pface == nil then
			return
			end

			local pos_under = vector.round(pos)
			local pos_above = { x = pos_under.x, y = pos_under.y, z = pos_under.z }
			local index = ({ "x", "y", "z" })[math.floor((pface + 1) / 2)]
			pos_above[index] = pos_above[index] + 2 * ((pface + 1)%2) - 1
			local pointed_thing = { type = "node", under = pos_under, above = pos_above }
			local itemstack = clicker:get_wielded_item()
			local itemdef = minetest.registered_items[itemstack:get_name()]

			if itemdef ~= nil then
			itemdef.on_place(itemstack, clicker, pointed_thing)
			end
			end,
			})

			local crack = "crack_anylength.png^[verticalframe:5:0"
			minetest.register_entity("technic:damage_entity", {
			initial_properties = {
			visual = "cube",
			visual_size = { x = 1.01, y = 1.01 },
			textures = { crack, crack, crack, crack, crack, crack },
			collisionbox = { 0, 0, 0, 0, 0, 0 },
			physical = false,
			},
			on_step = function(self, dtime)
			if self.remaining_time == nil then
			self.object:remove()
			self.frame_object.damage_object = nil
			end
			self.remaining_time = self.remaining_time - dtime
			if self.remaining_time < 0 then
			self.object:remove()
			self.frame_object.damage_object = nil
			end
			self.texture_change_time = self.texture_change_time - dtime
			if self.texture_change_time < 0 then
			self.texture_change_time = self.texture_change_time + 0.15
			self.texture_index = self.texture_index + 1
			if self.texture_index == 5 then
			self.object:remove()
			self.frame_object.damage_object = nil
			self.frame_object:dig()
			end
			local ct = "crack_anylength.png^[verticalframe:5:"..self.texture_index
			self.object:set_properties({ textures = { ct, ct, ct, ct, ct, ct } })
			end
			end,
			})

			mesecon.register_mvps_unmov("technic:frame_entity")
			mesecon.register_mvps_unmov("technic:damage_entity")
			mesecon.register_on_mvps_move(function(moved_nodes)
			local to_move = {}
			for _, n in ipairs(moved_nodes) do
			if frames_pos[pos_to_string(n.oldpos)] ~= nil then
			to_move[#to_move + 1] = {
			pos = n.pos,
			oldpos = n.oldpos,
			name = frames_pos[pos_to_string(n.oldpos)]
			}
			frames_pos[pos_to_string(n.oldpos)] = nil
			end
			end
			if #to_move > 0 then
			for _, t in ipairs(to_move) do
			frames_pos[pos_to_string(t.pos)] = t.name
			local objects = minetest.get_objects_inside_radius(t.oldpos, 0.1)
			for _, obj in ipairs(objects) do
			local entity = obj:get_luaentity()
			if entity and (entity.name == "technic:frame_entity" or
			entity.name == "technic:damage_entity") then
			obj:setpos(t.pos)
			end
			end
			end
			end
			end)

			minetest.register_on_dignode(function(pos, node)
			if frames_pos[pos_to_string(pos)] ~= nil then
			minetest.set_node(pos, { name = frames_pos[pos_to_string(pos)] })
			frames_pos[pos_to_string(pos)] = nil
			local objects = minetest.get_objects_inside_radius(pos, 0.1)
			for _, obj in ipairs(objects) do
			local entity = obj:get_luaentity()
			if entity and (entity.name == "technic:frame_entity" or entity.name == "technic:damage_entity") then
			obj:remove()
			end
			end
			end
			end)

			-- Frame motor
			local function connected(pos,c,adj)
			for _,vect in ipairs(adj) do
			local pos1=vector.add(pos,vect)
			local nodename=minetest.env:get_node(pos1).name
			if not(pos_in_list(c,pos1)) and nodename~="air" and
			(minetest.registered_nodes[nodename].frames_can_connect==nil or
			minetest.registered_nodes[nodename].frames_can_connect(pos1,vect)) then
			c[#(c)+1]=pos1
			if minetest.registered_nodes[nodename].frame==1 then
			local adj=minetest.registered_nodes[nodename].frame_connect_all(pos1)
			connected(pos1,c,adj)
			local function connected(pos, c, adj)
			for _, vect in ipairs(adj) do
			local pos1 = vector.add(pos, vect)
			local nodename = minetest.get_node(pos1).name
			if frames_pos[pos_to_string(pos1)] then
			nodename = frames_pos[pos_to_string(pos1)]
			end
			if not pos_in_list(c, pos1) and nodename ~= "air" and
			(minetest.registered_nodes[nodename].frames_can_connect == nil or
			minetest.registered_nodes[nodename].frames_can_connect(pos1, vect)) then
			c[#c + 1] = pos1
			if minetest.registered_nodes[nodename].frame == 1 then
			local adj = minetest.registered_nodes[nodename].frame_connect_all(nodename)
			connected(pos1, c, adj)
			end
			end
			end
			end

			local function get_connected_nodes(pos)
			c={pos}
			local nodename=minetest.env:get_node(pos).name
			connected(pos,c,minetest.registered_nodes[nodename].frame_connect_all(pos))
			c = { pos }
			local nodename = minetest.get_node(pos).name
			if frames_pos[pos_to_string(pos)] then
			nodename = frames_pos[pos_to_string(pos)]
			end
			connected(pos, c, minetest.registered_nodes[nodename].frame_connect_all(nodename))
			return c
			end

			local function frame_motor_on(pos, node)
			local dirs = {{x=0,y=1,z=0},{x=0,y=0,z=1},{x=0,y=0,z=-1},{x=1,y=0,z=0},{x=-1,y=0,z=0},{x=0,y=-1,z=0}}
			local nnodepos = vector.add(pos, dirs[math.floor(node.param2/4)+1])
			local dirs = {
			{ x = 0, y = 1, z = 0 }, { x = 0, y = 0, z = 1 },
			{ x = 0, y = 0, z = -1 }, { x = 1, y = 0, z = 0 },
			{ x = -1, y = 0, z = 0 }, { x = 0, y = -1, z = 0 }
			}
			local nnodepos = vector.add(pos, dirs[math.floor(node.param2 / 4) + 1])
			local dir = minetest.facedir_to_dir(node.param2)
			local nnode=minetest.get_node(nnodepos)
			local meta = minetest.get_meta(pos)
			local owner = meta:get_string("owner")
			if minetest.registered_nodes[nnode.name].frame==1 then
			local connected_nodes=get_connected_nodes(nnodepos)
			move_nodes_vect(connected_nodes,dir,pos,owner)
			local nnode = minetest.get_node(nnodepos)

			if frames_pos[pos_to_string(nnodepos)] then
			nnode.name = frames_pos[pos_to_string(nnodepos)]
			end

			local meta = minetest.get_meta(pos)
			if meta:get_int("last_moved") == minetest.get_gametime() then
			return
			end

			local owner = meta:get_string("owner")
			if minetest.registered_nodes[nnode.name].frame == 1 then
			local connected_nodes = get_connected_nodes(nnodepos)
			move_nodes_vect(connected_nodes, dir, pos, owner)
			end

			minetest.get_meta(vector.add(pos, dir)):set_int("last_moved", minetest.get_gametime())
			end

			minetest.register_node("technic:frame_motor",{
			description = "Frame motor",
			tiles = {"pipeworks_filter_top.png^[transformR90", "technic_lv_cable.png", "technic_lv_cable.png",
			"technic_lv_cable.png", "technic_lv_cable.png", "technic_lv_cable.png"},
			groups = {snappy=2,choppy=2,oddly_breakable_by_hand=2,mesecon=2},
			minetest.register_node("technic:frame_motor", {
			description = S("Frame Motor"),
			tiles = {
			"pipeworks_filter_top.png^[transformR90", "technic_lv_cable.png", "technic_lv_cable.png",
			"technic_lv_cable.png", "technic_lv_cable.png", "technic_lv_cable.png"
			},
			groups = { snappy = 2, choppy = 2, oddly_breakable_by_hand = 2, mesecon = 2 },
			paramtype2 = "facedir",
			mesecons={effector={action_on=frame_motor_on}},
			mesecons = { effector = { action_on = frame_motor_on } },

			after_place_node = function(pos, placer, itemstack)
			local meta = minetest.get_meta(pos)
			meta:set_string("owner", placer:get_player_name())
			end,
			frames_can_connect=function(pos,dir)

			frames_can_connect = function(pos, dir)
			local node = minetest.get_node(pos)
			local dir2 = ({{x=0,y=1,z=0},{x=0,y=0,z=1},{x=0,y=0,z=-1},{x=1,y=0,z=0},{x=-1,y=0,z=0},{x=0,y=-1,z=0}})[math.floor(node.param2/4)+1]
			return dir2.x~=-dir.x or dir2.y~=-dir.y or dir2.z~=-dir.z
			local dir2 = ({
			{ x= 0 , y = 1, z = 0 }, { x = 0, y = 0, z = 1 },
			{ x = 0, y = 0, z = -1 }, { x = 1, y = 0, z = 0 },
			{ x = -1, y = 0, z = 0 }, { x = 0, y = -1, z = 0 }
			})[math.floor(node.param2 / 4) + 1]
			return dir2.x ~= -dir.x or dir2.y ~= -dir.y or dir2.z ~= -dir.z
			end
			})



			-- Templates
			local function template_connected(pos,c)
			for _,vect in ipairs({{x=0,y=1,z=0},{x=0,y=0,z=1},{x=0,y=0,z=-1},{x=1,y=0,z=0},{x=-1,y=0,z=0},{x=0,y=-1,z=0}}) do
			local pos1=vector.add(pos,vect)
			local nodename=minetest.get_node(pos1).name
			if not(pos_in_list(c,pos1)) and nodename=="technic:template" then
			c[#(c)+1]=pos1
			template_connected(pos1,c)
			local function template_connected(pos, c, connectors)
			local vects = {
			{ x = 0, y = 1, z = 0 }, { x = 0, y = 0, z = 1 },
			{ x = 0, y = 0, z = -1 }, { x = 1, y = 0, z = 0 },
			{ x = -1, y = 0, z = 0 }, { x = 0, y = -1, z = 0 }
			}
			for _, vect in ipairs(vects) do
			local pos1 = vector.add(pos, vect)
			local nodename = minetest.get_node(pos1).name
			if not pos_in_list(c, pos1) and (nodename == "technic:template" or
			nodename == "technic:template_connector") then
			local meta = minetest.get_meta(pos1)
			if meta:get_string("connected") == "" then
			c[#c + 1] = pos1
			template_connected(pos1, c, connectors)
			if nodename == "technic:template_connector" then
			connectors[#connectors + 1] = pos1
			end
			end
			end
			end
			end

			local function get_templates(pos)
			c={pos}
			template_connected(pos,c)
			return c
			local c = { pos }
			local connectors
			if minetest.get_node(pos).name == "technic:template_connector" then
			connectors = { pos }
			else
			connectors = {}
			end
			template_connected(pos, c, connectors)
			return c, connectors
			end

			local function swap_template(pos, new)
			local meta = minetest.get_meta(pos)
			local saved_node = meta:get_string("saved_node")
			meta:set_string("saved_node", "")
			technic.swap_node(pos, new)
			local meta = minetest.get_meta(pos)
			meta:set_string("saved_node", saved_node)
			end

			local function save_node(pos)
			local node = minetest.get_node(pos)
			if node.name == "air" or node.name == "technic:template" then return end
			if node.name == "air" then
			minetest.set_node(pos, { name = "technic:template" })
			return
			end
			if node.name == "technic:template" then
			swap_template(pos, "technic:template_connector")
			local meta = minetest.get_meta(pos)
			meta:set_string("connected", "")
			return
			end

			local meta = minetest.get_meta(pos)
			local meta0 = meta:to_table()
			for _, list in pairs(meta0.inventory) do
			@@ -307,7 +719,9 @@
			list[key] = stack:to_string()
			end
			end

			node.meta = meta0
			minetest.set_node(pos, { name = "technic:template" })
			return node
			end

			@@ -325,83 +739,143 @@
			local function expand_template(pos)
			local meta = minetest.get_meta(pos)
			local c = meta:get_string("connected")

			if c == "" then return end
			meta:set_string("connected", "")
			c = minetest.deserialize(c)

			for _, vect in ipairs(c) do
			if vect.x ~= 0 or vect.y ~= 0 or vect.z ~= 0 then
			local pos1 = vector.add(pos, vect)
			local saved_node = save_node(pos1)
			minetest.set_node(pos1, {name="technic:template"})
			local meta1 = minetest.get_meta(pos1)
			if saved_node ~= nil then
			meta1:set_string("saved_node", minetest.serialize(saved_node))
			else
			meta1:set_string("saved_node", "")
			local pos1 = vector.add(pos, vect)
			local saved_node = save_node(pos1)
			local meta1 = minetest.get_meta(pos1)
			if saved_node ~= nil then
			meta1:set_string("saved_node", minetest.serialize(saved_node))
			end
			end
			end

			local function compress_templates(pos)
			local templates, connectors = get_templates(pos)

			if #connectors == 0 then
			connectors = { pos }
			end

			for _, cn in ipairs(connectors) do
			local meta = minetest.get_meta(cn)
			local c = {}
			for _, p in ipairs(templates) do
			local np = vector.subtract(p, cn)
			if not pos_in_list(c, np) then
			c[#c + 1] = np
			end
			end
			local cc = {}
			for _, p in ipairs(connectors) do
			local np = vector.subtract(p, cn)
			if np.x ~= 0 or np.y ~= 0 or np.z ~= 0 then
			cc[pos_to_string(np)] = true
			end
			end
			swap_template(cn, "technic:template")
			meta:set_string("connected", minetest.serialize(c))
			meta:set_string("connectors_connected", minetest.serialize(cc))
			end

			for _, p in ipairs(templates) do
			if not pos_in_list(connectors, p) then
			minetest.set_node(p, { name = "air" })
			end
			end
			end

			local function template_drops(pos, node, oldmeta, digger)
			local c = oldmeta.fields.connected
			local cc = oldmeta.fields.connectors_connected
			local drops

			if c == "" or c == nil then
			drops = {"technic:template 1"}
			drops = { "technic:template 1" }
			else
			local stack_max = 99
			local num = #(minetest.deserialize(c))
			drops = {}
			while num > stack_max do
			drops[#drops+1] = "technic:template "..stack_max
			num = num - stack_max
			if cc == "" or cc == nil then
			drops = { "technic:template 1" }
			else
			local dcc = minetest.deserialize(cc)
			if not table_empty(dcc) then
			drops = {}
			for sp, _ in pairs(dcc) do
			local ssp = pos_from_string(sp)
			local p = vector.add(ssp, pos)
			local meta = minetest.get_meta(p)
			local d = minetest.deserialize(meta:get_string("connectors_connected"))
			if d ~= nil then
			d[pos_to_string({ x = -ssp.x, y = -ssp.y, z = -ssp.z })] = nil
			meta:set_string("connectors_connected", minetest.serialize(d))
			end
			end
			else
			local stack_max = 99
			local num = #minetest.deserialize(c)
			drops = {}
			while num > stack_max do
			drops[#drops + 1] = "technic:template "..stack_max
			num = num - stack_max
			end
			drops[#drops + 1] = "technic:template "..num
			end
			end
			drops[#drops+1] = "technic:template "..num
			end
			print(dump(drops))

			minetest.handle_node_drops(pos, drops, digger)
			end

			minetest.register_node("technic:template",{
			description = "Template",
			tiles = {"technic_mv_cable.png"},
			local function template_on_destruct(pos, node)
			local meta = minetest.get_meta(pos)
			local saved_node = meta:get_string("saved_node")
			if saved_node ~= "" then
			local nnode = minetest.deserialize(saved_node)
			minetest.after(0, restore_node, pos, nnode)
			end
			end

			minetest.register_node("technic:template", {
			description = S("Template"),
			tiles = { "technic_mv_cable.png" },
			drop = "",
			groups = {snappy=2,choppy=2,oddly_breakable_by_hand=2},
			on_destruct = function(pos, node)
			local meta = minetest.get_meta(pos)
			local saved_node = meta:get_string("saved_node")
			if saved_node ~= "" then
			local nnode = minetest.deserialize(saved_node)
			minetest.after(0, restore_node, pos, nnode)
			end
			end,
			groups = { snappy = 2, choppy = 2, oddly_breakable_by_hand = 2 },
			on_destruct = template_on_destruct,
			after_dig_node = template_drops,
			on_punch = function(pos,node,puncher)
			hacky_swap_node(pos, "technic:template_disabled")
			on_punch = function(pos, node, puncher)
			swap_template(pos, "technic:template_disabled")
			end
			})

			minetest.register_node("technic:template_disabled",{
			description = "Template",
			tiles = {"technic_hv_cable.png"},
			minetest.register_node("technic:template_disabled", {
			description = S("Template"),
			tiles = { "technic_hv_cable.png" },
			drop = "",
			groups = {snappy=2,choppy=2,oddly_breakable_by_hand=2},
			on_destruct = function(pos, node)
			local meta = minetest.get_meta(pos)
			local saved_node = meta:get_string("saved_node")
			if saved_node ~= "" then
			local nnode = minetest.deserialize(saved_node)
			minetest.after(0, restore_node, pos, nnode)
			end
			end,
			groups = { snappy = 2, choppy = 2, oddly_breakable_by_hand = 2, not_in_creative_inventory = 1 },
			on_destruct = template_on_destruct,
			after_dig_node = template_drops,
			on_punch = function(pos,node,puncher)
			hacky_swap_node(pos, "technic:template")
			on_punch = function(pos, node, puncher)
			local meta = minetest.get_meta(pos)
			swap_template(pos, "technic:template_connector")
			end
			})

			minetest.register_craftitem("technic:template_replacer",{
			description = "Template (replacing)",
			minetest.register_node("technic:template_connector", {
			description = S("Template"),
			tiles = { "technic_lv_cable.png" },
			drop = "",
			groups = { snappy = 2, choppy = 2, oddly_breakable_by_hand = 2, not_in_creative_inventory = 1 },
			on_destruct = template_on_destruct,
			after_dig_node = template_drops,
			on_punch = function(pos, node, puncher)
			swap_template(pos, "technic:template")
			end
			})

			minetest.register_craftitem("technic:template_replacer", {
			description = S("Template (replacing)"),
			inventory_image = "technic_template_replacer.png",
			on_place = function(itemstack, placer, pointed_thing)
			local p = pointed_thing.under
			@@ -411,7 +885,6 @@
			local node = minetest.get_node(p)
			if node.name == "technic:template" then return end
			local saved_node = save_node(p)
			minetest.set_node(p, {name="technic:template"})
			itemstack:take_item()
			if saved_node ~= nil then
			local meta = minetest.get_meta(p)
			@@ -421,34 +894,24 @@
			end
			})

			minetest.register_tool("technic:template_tool",{
			description = "Template tool",
			minetest.register_tool("technic:template_tool", {
			description = S("Template Tool"),
			inventory_image = "technic_template_tool.png",
			on_use = function(itemstack, puncher, pointed_thing)
			local pos = pointed_thing.under
			if minetest.is_protected and minetest.is_protected(pos, placer:get_player_name()) then
			if pos == nil or minetest.is_protected and minetest.is_protected(pos, puncher:get_player_name()) then
			return nil
			end
			local node = minetest.get_node(pos)
			if node.name ~= "technic:template" then return end
			if node.name ~= "technic:template" and node.name ~= "technic:template_connector" then return end
			local meta = minetest.get_meta(pos)
			local c2 = meta:get_string("connected")
			if c2 ~= "" then
			expand_template(pos)
			return
			else
			compress_templates(pos)
			end
			local templates = get_templates(pos)
			local c = {}
			for _,p in ipairs(templates) do
			local np = {x=p.x-pos.x, y=p.y-pos.y, z=p.z-pos.z}
			if not pos_in_list(c,np) then
			c[#c+1] = np
			end
			if p.x ~= pos.x or p.y ~= pos.y or p.z ~= pos.z then
			minetest.set_node(p, {name = "air"})
			end
			end
			meta:set_string("connected", minetest.serialize(c))

			end
			})

			@@ -461,38 +924,108 @@
			if connected == "" then return {} end
			local adj = minetest.deserialize(connected)
			local c = {}
			for _,vect in ipairs(adj) do
			local pos1=vector.add(pos,vect)
			local nodename=minetest.env:get_node(pos1).name
			if not(pos_in_list(c,pos1)) and nodename~="air" then
			c[#(c)+1]=pos1
			for _, vect in ipairs(adj) do
			local pos1 = vector.add(pos, vect)
			local nodename = minetest.get_node(pos1).name
			if not(pos_in_list(c, pos1)) and nodename ~= "air" then
			c[#c + 1] = pos1
			end
			end
			return c
			end

			local function template_motor_on(pos, node)
			local dirs = {{x=0,y=1,z=0},{x=0,y=0,z=1},{x=0,y=0,z=-1},{x=1,y=0,z=0},{x=-1,y=0,z=0},{x=0,y=-1,z=0}}
			local nnodepos = vector.add(pos, dirs[math.floor(node.param2/4)+1])
			local dirs = {
			{ x = 0, y = 1, z = 0 }, { x = 0, y = 0, z = 1 },
			{ x = 0, y = 0, z = -1 }, { x = 1, y = 0, z = 0 },
			{ x = -1, y = 0, z = 0 }, { x = 0, y = -1, z = 0 }
			}
			local nnodepos = vector.add(pos, dirs[math.floor(node.param2 / 4) + 1])
			local dir = minetest.facedir_to_dir(node.param2)
			local nnode=minetest.get_node(nnodepos)
			local nnode = minetest.get_node(nnodepos)
			local meta = minetest.get_meta(pos)
			if meta:get_int("last_moved") == minetest.get_gametime() then
			return
			end
			local owner = meta:get_string("owner")
			if nnode.name == "technic:template" then
			local connected_nodes=get_template_nodes(nnodepos)
			move_nodes_vect(connected_nodes,dir,pos,owner)
			local connected_nodes = get_template_nodes(nnodepos)
			move_nodes_vect(connected_nodes, dir, pos, owner)
			end
			minetest.get_meta(vector.add(pos, dir)):set_int("last_moved", minetest.get_gametime())
			end

			minetest.register_node("technic:template_motor",{
			description = "Template motor",
			tiles = {"pipeworks_filter_top.png^[transformR90", "technic_lv_cable.png", "technic_lv_cable.png",
			"technic_lv_cable.png", "technic_lv_cable.png", "technic_lv_cable.png"},
			groups = {snappy=2,choppy=2,oddly_breakable_by_hand=2,mesecon=2},
			minetest.register_node("technic:template_motor", {
			description = S("Template Motor"),
			tiles = {
			"pipeworks_filter_top.png^[transformR90",
			"technic_lv_cable.png",
			"technic_lv_cable.png",
			"technic_lv_cable.png",
			"technic_lv_cable.png",
			"technic_lv_cable.png"
			},
			groups = { snappy = 2, choppy = 2, oddly_breakable_by_hand = 2, mesecon = 2 },
			paramtype2 = "facedir",
			mesecons={effector={action_on=template_motor_on}},
			mesecons = { effector = { action_on = template_motor_on } },
			after_place_node = function(pos, placer, itemstack)
			local meta = minetest.get_meta(pos)
			meta:set_string("owner", placer:get_player_name())
			end,
			})

			-- Crafts
			minetest.register_craft({
			output = 'technic:frame_111111',
			recipe = {
			{ '', 'default:stick', '' },
			{ 'default:stick', 'basic_materials:brass_ingot', 'default:stick' },
			{ '', 'default:stick', '' },
			}
			})

			minetest.register_craft({
			output = 'technic:frame_motor',
			recipe = {
			{ '', 'technic:frame_111111', '' },
			{ 'group:mesecon_conductor_craftable', 'basic_materials:motor', 'group:mesecon_conductor_craftable' },
			{ '', 'technic:frame_111111', '' },
			}
			})

			minetest.register_craft({
			output = 'technic:template 10',
			recipe = {
			{ '', 'basic_materials:brass_ingot', '' },
			{ 'basic_materials:brass_ingot', 'default:mese_crystal', 'basic_materials:brass_ingot' },
			{ '', 'basic_materials:brass_ingot', '' },
			}
			})

			minetest.register_craft({
			output = 'technic:template_replacer',
			recipe = { { 'technic:template' } }
			})

			minetest.register_craft({
			output = 'technic:template',
			recipe = { { 'technic:template_replacer' } }
			})

			minetest.register_craft({
			output = 'technic:template_motor',
			recipe = {
			{ '', 'technic:template', '' },
			{ 'group:mesecon_conductor_craftable', 'basic_materials:motor', 'group:mesecon_conductor_craftable' },
			{ '', 'technic:template', '' },
			}
			})

			minetest.register_craft({
			output = 'technic:template_tool',
			recipe = {
			{ '', 'technic:template', '' },
			{ 'default:mese_crystal', 'default:stick', 'default:mese_crystal' },
			{ '', 'default:stick', '' },
			}
			})