reduce intllib code

Tim

2015-02-05 41a10a86d5d2257778b2e422b8a560ed8ea2cbba

 concrete/init.lua

@@ -1,17 +1,36 @@
--Minetest 0.4.6 mod: concrete 
--Minetest 0.4.7 mod: concrete 
--(c) 2013 by RealBadAngel <mk@realbadangel.pl>

local technic = rawget(_G, "technic") or {}
technic.concrete_posts = {}

-- Boilerplate to support localized strings if intllib mod is installed.
local S = rawget(_G, "intllib") and intllib.Getter() or function(s) return s end

minetest.register_alias("technic:concrete_post",   "technic:concrete_post0")
minetest.register_alias("technic:concrete_post32", "technic:concrete_post12")
minetest.register_alias("technic:concrete_post33", "technic:concrete_post3")
minetest.register_alias("technic:concrete_post34", "technic:concrete_post28")
minetest.register_alias("technic:concrete_post35", "technic:concrete_post19")

local steel_ingot
if minetest.get_modpath("technic_worldgen") then
   steel_ingot = "technic:carbon_steel_ingot"
else
   steel_ingot = "default:steel_ingot"
end

minetest.register_craft({
   output = ':technic:rebar 6',
   output = 'technic:rebar 6',
   recipe = {
      {'','', 'default:steel_ingot'},
      {'','default:steel_ingot',''},
      {'default:steel_ingot', '', ''},
      {'','', steel_ingot},
      {'',steel_ingot,''},
      {steel_ingot, '', ''},
   }
})

minetest.register_craft({
   output = ':technic:concrete 5',
   output = 'technic:concrete 5',
   recipe = {
      {'default:stone','technic:rebar','default:stone'},
      {'technic:rebar','default:stone','technic:rebar'},
@@ -20,14 +39,14 @@
})

minetest.register_craft({
   output = ':technic:concrete_post_platform 6',
   output = 'technic:concrete_post_platform 6',
   recipe = {
      {'technic:concrete','technic:concrete_post','technic:concrete'},
      {'technic:concrete','technic:concrete_post0','technic:concrete'},
   }
})

minetest.register_craft({
   output = ':technic:concrete_post 12',
   output = 'technic:concrete_post0 12',
   recipe = {
      {'default:stone','technic:rebar','default:stone'},
      {'default:stone','technic:rebar','default:stone'},
@@ -35,474 +54,221 @@
}
})

platform_box = {-0.5 , 0.3 , -0.5 , 0.5 ,  0.5 , 0.5  }
post_str_y={ -0.15 , -0.5 , -0.15 , 0.15 ,  0.5 , 0.15  }
post_str_x1={ 0 , -0.3 , -0.1, 0.5 ,  0.3 , 0.1 }  -- x+
post_str_z1={ -0.1 , -0.3 , 0, 0.1 ,  0.3 , 0.5 } -- z+
post_str_x2={ 0 , -0.3 , -0.1, -0.5 ,  0.3 , 0.1 } -- x-
post_str_z2={ -0.1 , -0.3 , 0, 0.1 ,  0.3 , -0.5 } -- z-
minetest.register_craft({
   output = 'technic:blast_resistant_concrete 5',
   recipe = {
      {'technic:concrete','technic:composite_plate','technic:concrete'},
      {'technic:composite_plate','technic:concrete','technic:composite_plate'},
      {'technic:concrete','technic:composite_plate','technic:concrete'},
   }
})

local box_platform = {-0.5,  0.3,  -0.5,  0.5,  0.5, 0.5}
local box_center   = {-0.15, -0.5, -0.15, 0.15, 0.5, 0.15}
local box_x1       = {0,     -0.3, -0.1,  0.5,  0.3, 0.1}
local box_z1       = {-0.1,  -0.3, 0,     0.1,  0.3, 0.5}
local box_x2       = {0,     -0.3, -0.1,  -0.5, 0.3, 0.1}
local box_z2       = {-0.1,  -0.3, 0,     0.1,  0.3, -0.5}

minetest.register_craftitem(":technic:rebar", {
   description = "Rebar",
   description = S("Rebar"),
   inventory_image = "technic_rebar.png",
   stack_max = 99,
})

minetest.register_craftitem(":technic:concrete", {
   description = "Concrete Block",
   inventory_image = "technic_concrete_block.png",
   stack_max = 99,
})

minetest.register_craftitem(":technic:concrete_post", {
   description = "Concrete Post",
   stack_max = 99,
})

minetest.register_craftitem(":technic:concrete_post_platform", {
   description = "Concrete Post Platform",
   stack_max = 99,
})

minetest.register_node(":technic:concrete", {
   description = "Concrete Block",
   description = S("Concrete Block"),
   tile_images = {"technic_concrete_block.png",},
   is_ground_content = true,
   groups={cracky=1,level=2},
   groups = {cracky=1, level=2, concrete=1},
   sounds = default.node_sound_stone_defaults(),
   paramtype = "light",
   light_source = 0,
   sunlight_propagates = true,
   on_construct = function(pos)
      meta=minetest.env:get_meta(pos)
      meta:set_float("postlike",1)
      check_post_connections (pos,1)
   after_place_node = function(pos, placer, itemstack)
      technic.update_posts(pos, false)
   end,
   after_dig_node = function (pos, oldnode, oldmetadata, digger)
      check_post_connections  (pos,0)
      technic.update_posts(pos, false)
   end,
})

minetest.register_node(":technic:blast_resistant_concrete", {
   description = S("Blast-resistant Concrete Block"),
   tile_images = {"technic_blast_resistant_concrete_block.png",},
   groups={cracky=1, level=3, concrete=1},
   sounds = default.node_sound_stone_defaults(),
   after_place_node = function(pos, player, itemstack)
      technic.update_posts(pos, false)
   end,
   after_dig_node = function (pos, oldnode, oldmetadata, digger)
      technic.update_posts(pos, false)
   end,
})

minetest.register_node(":technic:concrete_post_platform", {
   description = "Concrete Post Platform",
   description = S("Concrete Post Platform"),
   tile_images = {"technic_concrete_block.png",},
   is_ground_content = true,
   groups={cracky=1,level=2},
   groups={cracky=1, level=2},
   sounds = default.node_sound_stone_defaults(),
   paramtype = "light",
   light_source = 0,
   sunlight_propagates = true,
   drawtype = "nodebox", 
   selection_box = {
      type = "fixed",
      fixed = {platform_box}
      },
   node_box = {
      type = "fixed",
      fixed = {platform_box}
      },
   on_place=function (itemstack, placer, pointed_thing)
   local node=minetest.env:get_node(pointed_thing.under)
   if minetest.get_item_group(node.name, "concrete_post")==0 then 
      return minetest.item_place_node(itemstack, placer, pointed_thing) 
      fixed = {box_platform}
   },
   on_place = function (itemstack, placer, pointed_thing)
      local node = minetest.get_node(pointed_thing.under)
      if not technic.concrete_posts[node.name] then 
         return minetest.item_place_node(itemstack, placer, pointed_thing) 
      end
      local links = technic.concrete_posts[node.name]
      if links[6] ~= 0 then -- The post already has a platform
         return minetest.item_place_node(itemstack, placer, pointed_thing) 
      end
      local id = technic.get_post_id({links[1], links[2], links[3], links[4], links[5], 1})
      minetest.set_node(pointed_thing.under, {name="technic:concrete_post"..id})
      itemstack:take_item()
      placer:set_wielded_item(itemstack)
      return itemstack
   end,
})

local function gen_post_nodebox(x1, x2, z1, z2, y, platform)
   local box
   local xx = x1 + x2
   local zz = z1 + z2
   if ((xx == 2 and zz == 0) or (xx == 0 and zz == 2)) and y == 0 then
      box = {}
   else 
      box = {box_center}
   end
   local meta=minetest.env:get_meta(pointed_thing.under)
   y1=meta:get_float("y1")
   platform=meta:get_float("platform")
   if y1==1 or platform==1 then 
      return minetest.item_place_node(itemstack, placer, pointed_thing) 
   if x1 ~= 0 then
      table.insert(box, box_x1)
   end
   y2=meta:get_float("y2")
   x1=meta:get_float("x1")
   x2=meta:get_float("x2")
   z1=meta:get_float("z1")
   z2=meta:get_float("z2")
   rule=make_post_rule_number(x1,x2,y1,y2,z1,z2,1)
   meta:set_float("platform",1)
   hacky_swap_posts(pointed_thing.under,"technic:concrete_post"..rule)
   itemstack:take_item()
   placer:set_wielded_item(itemstack)
   return itemstack
   end,
})
   if x2 ~= 0 then
      table.insert(box, box_x2)
   end
   if z1 ~= 0 then
      table.insert(box, box_z1)
   end
   if z2 ~= 0 then
      table.insert(box, box_z2)
   end
   if platform ~= 0 then
      table.insert(box, box_platform)
   end
   return box
end

local function dig_post_with_platform(pos, oldnode, oldmetadata)
   oldnode.name = "technic:concrete_post0"
   minetest.set_node(pos, oldnode)
   technic.update_posts(pos, true)
end

minetest.register_node(":technic:concrete_post", {
   description = "Concrete Post",
   tiles = {"technic_concrete_block.png"},
   groups={cracky=1,level=2,concrete_post=1},
   sounds = default.node_sound_stone_defaults(),
   paramtype = "light",
   light_source = 0,
   sunlight_propagates = true,
   drawtype = "nodebox", 
   selection_box = {
      type = "fixed",
      fixed = { -0.15 , -0.5 , -0.15 , 0.15 ,  0.5 , 0.15 }},
   node_box = {
      type = "fixed",
      fixed = {-0.15 , -0.5 , -0.15 , 0.15 ,  0.5 , 0.15  }},
   on_construct = function(pos)
   meta=minetest.env:get_meta(pos)
   meta:set_int("postlike",1)
   meta:set_int("platform",0)
   meta:set_int("x1",0)
   meta:set_int("x2",0)
   meta:set_int("y1",0)
   meta:set_int("y2",0)
   meta:set_int("z1",0)
   meta:set_int("z2",0)
   check_post_connections (pos,1)
   end,
function technic.posts_should_connect(pos)
   local node = minetest.get_node(pos)
   if technic.concrete_posts[node.name] then
      return "post"
   elseif minetest.get_item_group(node.name, "concrete") ~= 0 then
      return "block"
   end
end

   after_dig_node = function (pos, oldnode, oldmetadata, digger)
   check_post_connections  (pos,0)
   end,
function technic.get_post_id(links)
   return (links[1] * 1) + (links[2] * 2)
      + (links[3] * 4) + (links[4] * 8)
      + (links[5] * 16) + (links[6] * 32)
end

})
function technic.update_posts(pos, set, secondrun)
   local node = minetest.get_node(pos)
   local link_positions = {
      {x=pos.x+1, y=pos.y,   z=pos.z},
      {x=pos.x-1, y=pos.y,   z=pos.z},
      {x=pos.x,   y=pos.y,   z=pos.z+1},
      {x=pos.x,   y=pos.y,   z=pos.z-1},
      {x=pos.x,   y=pos.y-1,   z=pos.z},
      {x=pos.x,   y=pos.y+1,   z=pos.z},
   }

local x1,x2,y1,z1,z2
local count=0
   local links = {0, 0, 0, 0, 0, 0}

for x1 = 0, 1, 1 do   --x-
for x2 = 0, 1, 1 do   --x+
for z1 = 0, 1, 1 do   --z-
for z2 = 0, 1, 1 do   --z+
     
temp_x1={} temp_x2={} temp_z1={} temp_z2={}
   for i, link_pos in pairs(link_positions) do
      local connecttype = technic.posts_should_connect(link_pos)
      if connecttype then
         links[i] = 1
         -- Have posts next to us update theirselves,
         -- but only once. (We don't want to start an
         -- infinite loop of updates)
         if not secondrun and connecttype == "post" then
            technic.update_posts(link_pos, true, true)
         end
      end
   end

if x1==1 then    temp_x1=post_str_x1  end 
if x2==1 then    temp_x2=post_str_x2  end 
if z1==1 then    temp_z1=post_str_z1  end 
if z2==1 then    temp_z2=post_str_z2  end 
   if links[5] == 1 or links[6] == 1 then
      links[5] = 1
      links[6] = 0
   end

   -- We don't want to set ourselves if we have been removed or we are
   -- updating a concrete node
   if set then
      -- Preserve platform
      local oldlinks = technic.concrete_posts[node.name]
      if oldlinks then
         links[6] = oldlinks[6]
      end
      minetest.set_node(pos, {name="technic:concrete_post"
            ..technic.get_post_id(links)})
   end
end

minetest.register_node(":technic:concrete_post"..count, {
   description = "Concrete Post",
   tiles = {"technic_concrete_block.png"},
   groups={cracky=1,level=2,not_in_creative_inventory=1,concrete_post=1},
   sounds = default.node_sound_stone_defaults(),
   drop = "technic:concrete_post",
   paramtype = "light",
   light_source = 0,
   sunlight_propagates = true,
   drawtype = "nodebox", 
   selection_box = {
      type = "fixed",
      fixed = {
      temp_x1,temp_x2,post_str_y,temp_z1,temp_z2,
      }},
for x1 = 0, 1 do
for x2 = 0, 1 do
for z1 = 0, 1 do
for z2 = 0, 1 do
for y = 0, 1 do
for platform = 0, 1 do
   local links = {x1, x2, z1, z2, y, platform}
   local id = technic.get_post_id(links)
   technic.concrete_posts["technic:concrete_post"..id] = links

   node_box = {
      type = "fixed",
      fixed = {
      temp_x1,temp_x2,post_str_y,temp_z1,temp_z2,
      }},
   local groups = {cracky=1, level=2, concrete_post=1}
   if id ~= 0 then
      groups.not_in_creative_inventory = 1
   end
	
   local drop = "technic:concrete_post0"
   local after_dig_node = function(pos, oldnode, oldmetadata, digger)
      technic.update_posts(pos, false)
   end
   if platform ~= 0 then
      drop = "technic:concrete_post_platform"
      after_dig_node = function(pos, oldnode, oldmetadata, digger)
         dig_post_with_platform(pos, oldnode, oldmetadata)
      end
   end

   after_dig_node = function (pos, oldnode, oldmetadata, digger)
   check_post_connections  (pos,0)
   end,

})

minetest.register_node(":technic:concrete_post"..count+16, {
   description = "Concrete Post",
   tiles = {"technic_concrete_block.png"},
   groups={cracky=1,level=2,not_in_creative_inventory=1,concrete_post=1},
   sounds = default.node_sound_stone_defaults(),
   drop = "technic:concrete_post_platform",
   paramtype = "light",
   light_source = 0,
   sunlight_propagates = true,
   drawtype = "nodebox", 
   selection_box = {
      type = "fixed",
      fixed = {
      platform_box,temp_x1,temp_x2,post_str_y,temp_z1,temp_z2,
      }},

   node_box = {
      type = "fixed",
      fixed = {
      platform_box,temp_x1,temp_x2,post_str_y,temp_z1,temp_z2,
      }},

   after_dig_node = function (pos, oldnode, oldmetadata, digger)
      dig_post_with_platform (pos,oldnode,oldmetadata)
   end,
})

count=count+1 end end end end

minetest.register_node(":technic:concrete_post32", {
   description = "Concrete Post",
   tiles = {"technic_concrete_block.png"},
   groups={cracky=1,level=2,not_in_creative_inventory=1,concrete_post=1},
   sounds = default.node_sound_stone_defaults(),
   drop = "technic:concrete_post",
   paramtype = "light",
   light_source = 0,
   sunlight_propagates = true,
   drawtype = "nodebox", 
   selection_box = {
      type = "fixed",
      fixed = {-0.5,-0.3,-0.1,0.5,0.3,0.1},
   minetest.register_node(":technic:concrete_post"..id, {
      description = S("Concrete Post"),
      tiles = {"technic_concrete_block.png"},
      groups = groups,
      sounds = default.node_sound_stone_defaults(),
      drop = drop,
      paramtype = "light",
      sunlight_propagates = true,
      drawtype = "nodebox", 
      node_box = {
         type = "fixed",
         fixed = gen_post_nodebox(x1, x2, z1, z2, y, platform),
      },
   node_box = {
      type = "fixed",
      fixed = {
      post_str_x1,post_str_x2,
      }},

   after_dig_node = function (pos, oldnode, oldmetadata, digger)
      check_post_connections  (pos,0)
   end,
})
minetest.register_node(":technic:concrete_post33", {
   description = "Concrete Post",
   tiles = {"technic_concrete_block.png"},
   groups={cracky=1,level=2,not_in_creative_inventory=1,concrete_post=1},
   sounds = default.node_sound_stone_defaults(),
   drop = "technic:concrete_post",
   paramtype = "light",
   light_source = 0,
   sunlight_propagates = true,
   drawtype = "nodebox", 
   selection_box = {
      type = "fixed",
      fixed = {
      post_str_z1,post_str_z2,
      }},
   node_box = {
      type = "fixed",
      fixed = {
      post_str_z1,post_str_z2,
      }},

   after_dig_node = function (pos, oldnode, oldmetadata, digger)
   check_post_connections  (pos,0)
   end,
})

minetest.register_node(":technic:concrete_post34", {
   description = "Concrete Post",
   tiles = {"technic_concrete_block.png"},
   groups={cracky=1,level=2,not_in_creative_inventory=1,concrete_post=1},
   sounds = default.node_sound_stone_defaults(),
   drop = "technic:concrete_post_platform",
   paramtype = "light",
   light_source = 0,
   sunlight_propagates = true,
   drawtype = "nodebox", 
   selection_box = {
      type = "fixed",
      fixed = {
      platform_box,post_str_x1,post_str_x2,
      }},
   node_box = {
      type = "fixed",
      fixed = {
      platform_box,post_str_x1,post_str_x2,
      }},

   after_dig_node = function (pos, oldnode, oldmetadata, digger)
      dig_post_with_platform (pos,oldnode,oldmetadata)
   end,
})
minetest.register_node(":technic:concrete_post35", {
   description = "Concrete Post",
   tiles = {"technic_concrete_block.png"},
   groups={cracky=1,level=2,not_in_creative_inventory=1,concrete_post=1},
   sounds = default.node_sound_stone_defaults(),
   drop = "technic:concrete_post_platform",
   paramtype = "light",
   light_source = 0,
   sunlight_propagates = true,
   drawtype = "nodebox", 
   selection_box = {
      type = "fixed",
      fixed = {
      platform_box,post_str_z1,post_str_z2,
      }},
   node_box = {
      type = "fixed",
      fixed = {
      platform_box,post_str_z1,post_str_z2,
      }},
   after_dig_node = function (pos, oldnode, oldmetadata, digger)
      dig_post_with_platform (pos,oldnode,oldmetadata)
   end,
})

dig_post_with_platform = function (pos,oldnode,oldmetadata)
   x1=tonumber(oldmetadata.fields["x1"])
   x2=tonumber(oldmetadata.fields["x2"])
   y1=tonumber(oldmetadata.fields["y1"])
   y2=tonumber(oldmetadata.fields["y2"])
   z1=tonumber(oldmetadata.fields["z1"])
   z2=tonumber(oldmetadata.fields["z2"])
   print(dump(x1))
   oldmetadata.fields["platform"]="0"
   local rule=make_post_rule_number(x1,x2,y1,y2,z1,z2,0)
   print(dump(rule))
   oldnode.name="technic:concrete_post"..rule
   minetest.env:set_node(pos,oldnode)
   meta = minetest.env:get_meta(pos)
   meta:from_table(oldmetadata)
end	

check_post_connections = function(pos,mode)
      local pos1={}
      pos1.x=pos.x
      pos1.y=pos.y
      pos1.z=pos.z
      tempx1=0
      tempx2=0
      tempy1=0
      tempy2=0
      tempz1=0
      tempz2=0
		
      pos1.x=pos1.x+1
      if minetest.env:get_meta(pos1):get_int("postlike")==1 then
      x2=mode
      x1=minetest.env:get_meta(pos1):get_int("x1")
      y1=minetest.env:get_meta(pos1):get_int("y1")
      y2=minetest.env:get_meta(pos1):get_int("y2")
      z1=minetest.env:get_meta(pos1):get_int("z1")
      z2=minetest.env:get_meta(pos1):get_int("z2")
      platform=minetest.env:get_meta(pos1):get_int("platform")
      rule=make_post_rule_number(x1,x2,y1,y2,z1,z2,platform)
      hacky_swap_posts(pos1,"technic:concrete_post"..rule)
      meta=minetest.env:get_meta(pos1)
      meta:set_int("x2",x2)
      tempx1=mode
      end

      pos1.x=pos1.x-2
      if minetest.env:get_meta(pos1):get_int("postlike")==1 then
      x1=mode
      x2=minetest.env:get_meta(pos1):get_int("x2")
      y1=minetest.env:get_meta(pos1):get_int("y1")
      y2=minetest.env:get_meta(pos1):get_int("y2")
      z1=minetest.env:get_meta(pos1):get_int("z1")
      z2=minetest.env:get_meta(pos1):get_int("z2")
      platform=minetest.env:get_meta(pos1):get_int("platform")
      rule=make_post_rule_number(x1,x2,y1,y2,z1,z2,platform)
      hacky_swap_posts(pos1,"technic:concrete_post"..rule)
      meta=minetest.env:get_meta(pos1)
      meta:set_int("x1",x1)
      tempx2=mode
      end

      pos1.x=pos1.x+1
		
      pos1.y=pos1.y+1
      if minetest.env:get_meta(pos1):get_int("postlike")==1 then
      y2=mode
      x1=minetest.env:get_meta(pos1):get_int("x1")
      x2=minetest.env:get_meta(pos1):get_int("x2")
      y1=minetest.env:get_meta(pos1):get_int("y1")
      z1=minetest.env:get_meta(pos1):get_int("z1")
      z2=minetest.env:get_meta(pos1):get_int("z2")
      platform=minetest.env:get_meta(pos1):get_int("platform")
      rule=make_post_rule_number(x1,x2,y1,y2,z1,z2,platform)
      hacky_swap_posts(pos1,"technic:concrete_post"..rule)
      meta=minetest.env:get_meta(pos1)
      meta:set_int("y2",y2)
      tempy1=mode
      end

      pos1.y=pos1.y-2
      if minetest.env:get_meta(pos1):get_int("postlike")==1 then
      y1=mode
      x1=minetest.env:get_meta(pos1):get_int("x1")
      x2=minetest.env:get_meta(pos1):get_int("x2")
      y2=minetest.env:get_meta(pos1):get_int("y2")
      z1=minetest.env:get_meta(pos1):get_int("z1")
      z2=minetest.env:get_meta(pos1):get_int("z2")
      platform=minetest.env:get_meta(pos1):get_int("platform")
      rule=make_post_rule_number(x1,x2,y1,y2,z1,z2,platform)
      hacky_swap_posts(pos1,"technic:concrete_post"..rule)
      meta=minetest.env:get_meta(pos1)
      meta:set_int("y1",y1)
      tempy2=mode
      end
      pos1.y=pos1.y+1

      pos1.z=pos1.z+1
      if minetest.env:get_meta(pos1):get_int("postlike")==1 then
      z2=mode
      x1=minetest.env:get_meta(pos1):get_int("x1")
      x2=minetest.env:get_meta(pos1):get_int("x2")
      y1=minetest.env:get_meta(pos1):get_int("y1")
      y2=minetest.env:get_meta(pos1):get_int("y2")
      z1=minetest.env:get_meta(pos1):get_int("z1")
      platform=minetest.env:get_meta(pos1):get_int("platform")
      rule=make_post_rule_number(x1,x2,y1,y2,z1,z2,platform)
      hacky_swap_posts(pos1,"technic:concrete_post"..rule)
      meta=minetest.env:get_meta(pos1)
      meta:set_int("z2",z2)
      tempz1=mode
      end
      pos1.z=pos1.z-2
		
      if minetest.env:get_meta(pos1):get_int("postlike")==1 then
      z1=mode
      x1=minetest.env:get_meta(pos1):get_int("x1")
      x2=minetest.env:get_meta(pos1):get_int("x2")
      y1=minetest.env:get_meta(pos1):get_int("y1")
      y2=minetest.env:get_meta(pos1):get_int("y2")
      z2=minetest.env:get_meta(pos1):get_int("z2")
      platform=minetest.env:get_meta(pos1):get_int("platform")
      rule=make_post_rule_number(x1,x2,y1,y2,z1,z2,platform)
      hacky_swap_posts(pos1,"technic:concrete_post"..rule)
      meta=minetest.env:get_meta(pos1)
      meta:set_int("z1",z1)
      tempz2=mode
      end
      pos1.z=pos1.z+1
      if mode==1 then 
         meta=minetest.env:get_meta(pos)
         meta:set_int("x1",tempx1)
         meta:set_int("x2",tempx2)
         meta:set_int("y1",tempy1)
         meta:set_int("y2",tempy2)
         meta:set_int("z1",tempz1)
         meta:set_int("z2",tempz2)
         rule=make_post_rule_number(tempx1,tempx2,tempy1,tempy2,tempz1,tempz2,0)
         hacky_swap_posts(pos,"technic:concrete_post"..rule)
      end
end	

function make_post_rule_number (x1,x2,y1,y2,z1,z2,platform)
local tempy=y1+y2
local tempx=x1+x2
local tempz=z1+z2
if platform==0 then 
   if tempy==0 and tempx==0 and tempz==0 then return 0 end
   if x1==1 and x2==1 and tempz==0 and tempy==0 then return 32 end
   if z1==1 and z2==1 and tempx==0 and tempy==0 then return 33 end
   return z2+z1*2+x2*4+x1*8
else
   if tempy==0 and tempx==0 and tempz==0 then return 16 end
   if x1==1 and x2==1 and tempz==0 and tempy==0 then return 34 end
   if z1==1 and z2==1 and tempx==0 and tempy==0 then return 35 end
   return z2+z1*2+x2*4+x1*8+16
      after_place_node = function(pos, placer, itemstack)
         technic.update_posts(pos, true)
      end,
      after_dig_node = after_dig_node,
   })
end
end
end
end
end
end

function hacky_swap_posts(pos,name)
   local node = minetest.env:get_node(pos)
      if node.name == "technic:concrete" then
      return nil
   end
   local meta = minetest.env:get_meta(pos)
   local meta0 = meta:to_table()
   node.name = name
   local meta0 = meta:to_table()
   minetest.env:set_node(pos,node)
   meta = minetest.env:get_meta(pos)
   meta:from_table(meta0)
   return 1
end