Partial rewrite

1 files changed, 156 insertions, 452 deletions

diff --git a/concrete/init.lua b/concrete/init.lua
index bf25c32..2e263bc 100644
--- a/concrete/init.lua
+++ b/concrete/init.lua
@@ -1,6 +1,15 @@
 --Minetest 0.4.7 mod: concrete 
 --(c) 2013 by RealBadAngel <mk@realbadangel.pl>
 
+local technic = technic or {}
+technic.concrete_posts = {}
+
+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")
+
 minetest.register_craft({
 	output = 'technic:rebar 6',
 	recipe = {
@@ -22,12 +31,12 @@ minetest.register_craft({
 minetest.register_craft({
 	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'},
@@ -44,500 +53,195 @@ minetest.register_craft({
 	}
 })
 
-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-
+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",
 	inventory_image = "technic_rebar.png",
-	stack_max = 99,
-})
-
-minetest.register_craftitem(":technic:blast_resistant_concrete", {
-	description = "Blast-resistant Concrete Block",
-	inventory_image = "technic_blast_resistant_concrete_block.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",
 	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 = "Blast-resistant Concrete Block",
 	tile_images = {"technic_blast_resistant_concrete_block.png",},
-	is_ground_content = true,
-	groups={cracky=1,level=3},
+	groups={cracky=1, level=3, 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, player, 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:concrete_post_platform", {
 	description = "Concrete Post Platform",
 	tile_images = {"technic_concrete_block.png",},
-	is_ground_content = true,
-	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) 
-	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) 
-	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,
-})
-
-
-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,
-
-	after_dig_node = function (pos, oldnode, oldmetadata, digger)
-	check_post_connections  (pos,0)
-	end,
-
-})
-
-local x1,x2,y1,z1,z2
-local count=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={}
-
-					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 
-
-
-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,
-		}},
-
-	node_box = {
-		type = "fixed",
-		fixed = {
-		temp_x1,temp_x2,post_str_y,temp_z1,temp_z2,
-		}},
-
-	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},
-		},
-	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},
+	groups={cracky=1, level=2},
 	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)
+		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[5] ~= 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], 1})
+		minetest.set_node(pointed_thing.under, {name="technic:concrete_post"..id})
+		itemstack:take_item()
+		placer:set_wielded_item(itemstack)
+		return itemstack
 	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	
+local function gen_post_nodebox(x1, x2, z1, z2, platform)
+	local box = {box_center}
+	if x1 ~= 0 then
+		table.insert(box, box_x1)
+	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
 
-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
+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
 
-		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
+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
 
-		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
+function technic.get_post_id(links)
+	return (links[4] * 1) + (links[3] * 2)
+		+ (links[2] * 4) + (links[1] * 8)
+		+ (links[5] * 16)
+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
+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},
+	}
 
-		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
+	local links = {0, 0, 0, 0, 0}
+
+	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
-		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
+	-- 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[5] = oldlinks[5]
 		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
+		minetest.set_node(pos, {name="technic:concrete_post"
+				..technic.get_post_id(links)})
 	end
 end
 
-function hacky_swap_posts(pos,name)
-	local node = minetest.env:get_node(pos)
-		if node.name == "technic:concrete" or node.name == "technic:blast_resistant_concrete" then
-		return nil
+for x1 = 0, 1 do
+for x2 = 0, 1 do
+for z1 = 0, 1 do
+for z2 = 0, 1 do
+for platform = 0, 1 do
+	local links = {x1, x2, z1, z2, platform}
+	local id = technic.get_post_id(links)
+	technic.concrete_posts["technic:concrete_post"..id] = links
+
+	local groups = {cracky=1, level=2, concrete_post=1}
+	if id ~= 0 then
+		groups.not_in_creative_inventory = 1
 	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
+	
+	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
+
+	minetest.register_node(":technic:concrete_post"..id, {
+		description = "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, platform),
+		},
+		after_place_node = function(pos, placer, itemstack)
+			technic.update_posts(pos, true)
+		end,
+		after_dig_node = after_dig_node,
+	})
+end
 end
+end
+end
+end
+