init.lua

-- all nodes that do not fit in any other category
-- Author:  Och_Noe
-- Licence: LGPL 2.1 
-- 


local own_name = "advtrains_platform"


local function register_platform(on,preset)
	local ndef=minetest.registered_nodes[preset]
	if not ndef then 
		minetest.log("warning", " register_platform couldn't find preset node "..preset)
		return
	end
	local btex=ndef.tiles
	if type(btex)=="table" then
		btex=btex[1]
	end
	local desc=ndef.description or ""
	local nodename=string.match(preset, ":(.+)$")
	minetest.register_node(on..":platform_low_"..nodename, {
		description = attrans("@1 Platform (low)", desc),
		tiles = {btex.."^advtrains_platform.png", btex, btex, btex, btex, btex},
		groups = {cracky = 1, not_blocking_trains = 1, platform=1},
		sounds = default.node_sound_stone_defaults(),
		drawtype = "nodebox",
		node_box = {
			type = "fixed",
			fixed = {
				{-0.5, -0.1, -0.1, 0.5,  0  , 0.5},
				{-0.5, -0.5,  0  , 0.5, -0.1, 0.5}
			},
		},
		paramtype2="facedir",
		paramtype = "light",
		sunlight_propagates = true,
	})
	minetest.register_node(on..":platform_high_"..nodename, {
		description = attrans("@1 Platform (high)", desc),
		tiles = {btex.."^advtrains_platform.png", btex, btex, btex, btex, btex},
		groups = {cracky = 1, not_blocking_trains = 1, platform=2},
		sounds = default.node_sound_stone_defaults(),
		drawtype = "nodebox",
		node_box = {
			type = "fixed",
			fixed = {
				{-0.5,  0.3, -0.1, 0.5,  0.5, 0.5},
				{-0.5, -0.5,  0  , 0.5,  0.3, 0.5}
			},
		},
		paramtype2="facedir",
		paramtype = "light",
		sunlight_propagates = true,
	})
	minetest.register_craft({
		type="shapeless",
		output = on..":platform_high_"..nodename.." 4",
		recipe = {
			"dye:yellow", preset, preset
		},
	})
	minetest.register_craft({
		type="shapeless",
		output = on..":platform_low_"..nodename.." 4",
		recipe = {
			"dye:yellow", preset
		},
	})
end



--  bricks / blocks

list_default =    { 
   "default:desert_sandstone_brick",
   "default:desert_stonebrick",
   "default:silver_sandstone",
   "default:silver_sandstone_brick",
   "default:silver_sandstone_block",
   "default:brick",
   "default:stone",
   "default:sandstone",
   "default:obsidian_glass",
   "default:dirt",
   "default:dirt_with_grass", 
   "default:desert_stone",
   "default:desert_sandstone",
-- added  2018-10-16    
   "default:desert_sandstone_brick",
-- added 2018-10-26
   "default:cobble",
-- added 2021-04-04
   "default:steelblock",
   "default:obsidianbrick",

}

list_moreblocks = {
   "moreblocks:cactus_brick",
   "moreblocks:coal_stone_bricks",
   "moreblocks:grey_bricks",
   "moreblocks:iron_stone_bricks",
   "moreblocks:stone_tile", 
-- added 2019-01-19
   "moreblocks:split_stone_tile", 
   "moreblocks:split_stone_tile_alt", 

}

list_ethereal = {
   "ethereal:icebrick",
   "ethereal:bamboo_dirt" 

}


-- added 2018-10-16
list_errata= {
   "minetest_errata:desert_sandstone_cobble",
   "minetest_errata:mossy_stone_tile",
   "minetest_errata:mossystone",
   "minetest_errata:sandstone_cobble",
   "minetest_errata:silver_sandstone_cobble", 
-- added 2021-08-16
   "minetest_errata:flint_block", 

}


--  wood

list_wood= {
   "default:acacia_wood",
   "default:aspen_wood",
   "default:junglewood",
   "default:pine_wood",
   "default:wood"  

}


list_wood_ethereal = {
   "ethereal:banana_wood",
   "ethereal:birch_wood",
   "ethereal:frost_wood",
   "ethereal:palm_wood",
   "ethereal:redwood_wood",
   "ethereal:willow_wood",
   "ethereal:yellow_wood",
   "ethereal:bamboo_floor",
   -- added 2020-01-12
   "ethereal:olive_wood",
   "ethereal:sakura_wood",

}


list_wood_maple = { 
   "maple:maple_wood"  }


--  metal blocks

list_moreores = {
   "moreores:mithril_block",
   -- added 2021-04-04
   "moreores:silver_block",

 }


-- wool

-- ?


-- technic  - added 2019-03-11

list_technic =  {
   "technic:marble" ,
   --added 2021-09-24
   "moretrees:rubber_tree_planks",
}
	

-- baked clay - added 2021-04-04
-- only darker colours, or the yellow line will not be good visible
-- currently only gray, because it does not create a colour contrast
list_baked_clay =  {
	"bakedclay:grey",
	"bakedclay:dark_grey",

}



for _,name in pairs(list_default) do
   register_platform(own_name,name)   
end

if minetest.get_modpath("moreblocks") then
   for _,name in pairs(list_moreblocks) do
      register_platform(own_name,name)   
   end
end

-- added 2018-10-16
if minetest.get_modpath("minetest_errata") then
   for _,name in pairs(list_errata) do
      register_platform(own_name,name)   
   end
end



for _,name in pairs(list_wood) do
   register_platform(own_name,name)   
end


if minetest.get_modpath("ethereal") then
   for _,name in pairs(list_ethereal) do
      register_platform(own_name,name)   
   end
   for _,name in pairs(list_wood_ethereal) do
      register_platform(own_name,name)   
   end
end


if minetest.get_modpath("maple") then
   for _,name in pairs(list_wood_maple) do
      register_platform(own_name,name)   
   end
end


if minetest.get_modpath("moreores") then
   for _,name in pairs(list_moreores) do
      register_platform(own_name,name)   
   end
end


if minetest.get_modpath("technic") then
   for _,name in pairs(list_technic) do
      register_platform(own_name,name)
   end
end

if minetest.get_modpath("bakedclay") then
   for _,name in pairs(list_baked_clay) do
      register_platform(own_name,name)
   end
end



local woodpath_lengths = { 
   { 5,10 },
   { 5,20 },
   { 5,25 },
   { 10,10 },
   { 10,20 },
   { 10,25 },
   { 20,20 },
   { 20,25 },
   { 25,25 },
}


-- path crossing track aka "level crossing"

local snowdef = minetest.registered_nodes['default:snowblock']
local node_sound_snow_default = nil
if snowdef then
   node_sound_snow_default = snowdef.sounds
end

-- nodelist

nodelist = {}

-- nodelist:insert( { name = "", tile = ".png", 
--		   sound = ,
--		   full = "", half = "" } )

table.insert(nodelist,  { name = "wood", 
		tile = "default_wood.png", 
		sound = default.node_sound_wood_defaults(),
		full = "default:wood", 
		half = "moreblocks:slab_wood" } )  -- fixed
--		half = "stairs:slab_wood" } )
table.insert(nodelist,  { name = "cobble", 
		tile = "default_cobble.png", 
		sound = default.node_sound_stone_defaults(),
		full = "default:cobble", 
		half = "moreblocks:slab_cobble" } )  -- fixed
--		half = "stairs:slab_cobble" } )
table.insert(nodelist,  { name = "stonebrick", 
		tile = "default_stone_brick.png", 
		sound = default.node_sound_stone_defaults(),
		full = "default:stonebrick", 
		half = "moreblocks:slab_stonebrick" } )   --  fixed
--		half = "stairs:slab_stonebrick" } )
table.insert(nodelist, { name = "snow", tile = "default_snow.png", 
		sound = node_sound_snow_default,
		full = "default:snowblock", 
		half = "stairs:slab_snowblock" } )



local adv_track = "advtrains:dtrack_placer"

if minetest.get_modpath("moreblocks") then
   table.insert(nodelist,  { name = "tar", 
		   tile = "moreblocks_tar.png", 
		   sound = default.node_sound_stone_defaults(),
		   full = "moreblocks:tar", 
		   half = "moreblocks:slab_tar" } )
   table.insert(nodelist,  { name = "stone tile", 
		   tile = "moreblocks_stone_tile.png", 
		   sound = default.node_sound_stone_defaults(),
		   full = "moreblocks:stone_tile", 
		   half = "moreblocks:slab_stone_tile" } )
   -- added 2021-02-26
   table.insert(nodelist,  { name = "stone tile alt", 
		   tile = "moreblocks_split_stone_tile_alt.png", 
		   sound = default.node_sound_stone_defaults(),
		   full = "moreblocks:split_stone_tile_alt", 
		   half = "moreblocks:slab_split_stone_tile_alt" } )

end


for _,entry in pairs(nodelist) do

   for _,lengths in pairs(woodpath_lengths) do
      
      local b = lengths[1]  --  "back"  in 1/10 nodes
      local f = lengths[2]  --  "front" in 1/10 nodes   
      
      local h = string.format(":"..entry.name:gsub(" ","_") .."path_track_%02d%02d",b,f)
      local d = string.format(entry.name .." level crossing %02d-%02d",b,f)
      local h2 = string.format(":"..entry.name:gsub(" ","_") .."path_track_narrow_%02d%02d",b,f)
      local d2 = string.format(entry.name .." level crossing (narrow) %02d-%02d",b,f)

      minetest.register_node(own_name..h, 
			     {
				tiles =  { entry.tile, },
				description = d,
				drawtype = "nodebox",
				paramtype = "light",
				paramtype2 = "facedir",
				node_box = 
				   {
				   type = "fixed",
				   fixed = {
				      {-0.5, -0.5, b/-10, 0.5, -0.4, f/10}, 
				   }
				},
				groups = {choppy = 2, not_blocking_trains = 1,
				   oddly_breakable_by_hand = 2,
				   },
				sounds = entry.sound,
				on_place = minetest.rotate_node,
				
			     })

      minetest.register_node(own_name..h2, 
			     {
				tiles =  { entry.tile, },
				description = d2,
				drawtype = "nodebox",
				paramtype = "light",
				paramtype2 = "facedir",
				node_box = 
				   {
				   type = "fixed",
				   fixed = {
				      {-0.4, -0.5, b/-10, 0.4, -0.4, f/10}, 
				      
				   }
				},
				groups = {choppy = 2, not_blocking_trains = 1,
				   oddly_breakable_by_hand = 2,
				   },
				sounds = entry.sound,
				on_place = minetest.rotate_node,
				
			     })


      local craft = { { "","","" } , { "","","" } , { "","","" } }
      
      craft[3][2] = adv_track
      
      for y = 2,1,-1
      do
	 if (b>=5) and (f>=5) then
	    b = b-5
	    f = f-5
	    craft[y][2] = entry.full
	 end
      end

      for y = 2,1,-1
      do
	 if (b>=10) then
	    b = b-10
	    craft[y][1] = entry.full
	 elseif (b>=5) then
	    b = b-5
	    craft[y][1] = entry.half
	 end
	 if (f>=10) then
	    f = f-10
	    craft[y][3] = entry.full
	 elseif (f>=5) then
	    f = f-5
	    craft[y][3] = entry.half
	 end
      end      

      --   if (b>0) or (f>0) then
      --      print(h.." b: "..b.." f: "..f)
      --   else
      --      t_aus = ""
      --      for y=1,3 do
      --	 for x=1,3 do
      --	    t_aus = t_aus .. craft[y][x] .. ", "
      --	 end
      --     end
      --     print(h..t_aus)
      --   end

      minetest.register_craft({
				 output = own_name..h,
				 recipe = craft,
				 replacements = { {adv_track,adv_track}, }
			      })

      minetest.register_craft({
				 output = own_name..h2,
				 recipe = { { own_name..h } },
			      })

   end


   --  3 nodes long slope

   


end






minetest.register_node(own_name..":version_node", {
        description = own_name.." version node",
        tiles = {own_name.."_version_node.png"},
        groups = {cracky = 3,not_in_creative_inventory=1},
     })

minetest.register_craft({
			   output = own_name..":version_node",
			   recipe = { 
			      { "advtrains_platform:platform_high_cobble" }, 
			      { "advtrains_platform:platform_high_stone" },
			      { adv_track },
			   },
			})