Fixes and improvements for 'TechPack Stairway' Lattice

- Fix `Mesh not found: techpack_stairway_slope.obj` error on start by adding missing obj file taken from `moreblocks` mod
- When available, use `moreblocks` for creating different stairs and slopes

.gitignore

@@ -10,7 +10,6 @@ luac.out
 *.o
 *.os
 *.ko
-*.obj
 *.elf
 
 # Precompiled Headers

techpack_stairway/depends.txt

@@ -1,2 +1,3 @@
 default
+moreblocks?
 

techpack_stairway/init.lua

@@ -504,53 +504,69 @@ minetest.register_node("techpack_stairway:lattice", {
 	sounds = default.node_sound_metal_defaults(),
 })
 
-minetest.register_node("techpack_stairway:lattice_slop", {
+if minetest.get_modpath("moreblocks") then
-	description = S("TechPack Lattice Slope"),
+	stairsplus:register_all("techpack_stairway", "lattice", "techpack_stairway:lattice", {
-	tiles = {
+		description = S("TechPack Lattice"),
-		'techpack_stairway_lattice.png',
+		tiles = {
-	},
+			'techpack_stairway_lattice.png',
-	drawtype = "mesh",
-	mesh="techpack_stairway_slope.obj",
-
-	selection_box = {
-		type = "fixed",
-		fixed = {
-			{-8/16,  4/16,  4/16,  8/16,  8/16, 8/16},
-		    {-8/16,  0/16,  0/16,  8/16,  4/16, 8/16},
-		    {-8/16, -4/16, -4/16,  8/16,  0/16, 8/16},
-		    {-8/16, -8/16, -8/16,  8/16, -4/16, 8/16},
 		},
-	},
 
-	collision_box = {
+		sunlight_propagates = true,
-		type = "fixed",
+		is_ground_content = false,
-		fixed = {
+		groups = {cracky = 2},
-			{-8/16,  4/16,  4/16,  8/16,  8/16, 8/16},
+		sounds = default.node_sound_metal_defaults(),
-		    {-8/16,  0/16,  0/16,  8/16,  4/16, 8/16},
+	})
-		    {-8/16, -4/16, -4/16,  8/16,  0/16, 8/16},
+
-		    {-8/16, -8/16, -8/16,  8/16, -4/16, 8/16},
+	minetest.register_alias("techpack_stairway:lattice_slop", "techpack_stairway:slope_lattice")
+else
+	minetest.register_node("techpack_stairway:lattice_slop", {
+		description = S("TechPack Lattice Slope"),
+		tiles = {
+			'techpack_stairway_lattice.png',
 		},
-	},
+		drawtype = "mesh",
+		mesh="techpack_stairway_slope.obj",
 
-	after_place_node = function(pos, placer, itemstack, pointed_thing)
+		selection_box = {
-		local node = minetest.get_node(pos)
+			type = "fixed",
-		local dir = minetest.facedir_to_dir(node.param2)
+			fixed = {
-		if pointed_thing.under.y >= pointed_thing.above.y then
+				{-8/16,  4/16,  4/16,  8/16,  8/16, 8/16},
-			local newparam2 = ({[0] = 8, [1] = 17, [2] = 22, [3] = 15})[node.param2]
+				{-8/16,  0/16,  0/16,  8/16,  4/16, 8/16},
-			if newparam2 then
+				{-8/16, -4/16, -4/16,  8/16,  0/16, 8/16},
-				node.param2 = newparam2
+				{-8/16, -8/16, -8/16,  8/16, -4/16, 8/16},
-				minetest.swap_node(pos, node)
+			},
+		},
+
+		collision_box = {
+			type = "fixed",
+			fixed = {
+				{-8/16,  4/16,  4/16,  8/16,  8/16, 8/16},
+				{-8/16,  0/16,  0/16,  8/16,  4/16, 8/16},
+				{-8/16, -4/16, -4/16,  8/16,  0/16, 8/16},
+				{-8/16, -8/16, -8/16,  8/16, -4/16, 8/16},
+			},
+		},
+
+		after_place_node = function(pos, placer, itemstack, pointed_thing)
+			local node = minetest.get_node(pos)
+			local dir = minetest.facedir_to_dir(node.param2)
+			if pointed_thing.under.y >= pointed_thing.above.y then
+				local newparam2 = ({[0] = 8, [1] = 17, [2] = 22, [3] = 15})[node.param2]
+				if newparam2 then
+					node.param2 = newparam2
+					minetest.swap_node(pos, node)
+				end
 			end
-		end
+		end,
-	end,
 
-	paramtype2 = "facedir",
+		paramtype2 = "facedir",
-	paramtype = "light",
+		paramtype = "light",
-	sunlight_propagates = true,
+		sunlight_propagates = true,
-	is_ground_content = false,
+		is_ground_content = false,
-	groups = {cracky = 2},
+		groups = {cracky = 2},
-	sounds = default.node_sound_metal_defaults(),
+		sounds = default.node_sound_metal_defaults(),
-})
+	})
+end
 
 minetest.register_craft({
 	output = "techpack_stairway:grating 4",

techpack_stairway/mod.conf

@@ -1,3 +1,4 @@
 name=techpack_stairway
 description=Simple stairways and bridges for your machines.
 depends=default
+optional_depends=moreblocks

techpack_stairway/models/techpack_stairway_slope.obj

@@ -0,0 +1,56 @@
+g top
+v 0.500000 0.500000 0.500000
+v -0.500000 0.500000 0.500000
+v -0.500000 -0.500000 -0.500000
+v 0.500000 -0.500000 -0.500000
+vt 1.0000 1.0000
+vt 0.0000 1.0000
+vt 0.0000 0.0000
+vt 1.0000 0.0000
+vn 0.0000 0.7071 -0.7071
+s off
+f 2/1/1 1/2/1 4/3/1 3/4/1
+g bottom
+v -0.500000 -0.500000 0.500000
+v 0.500000 -0.500000 0.500000
+v -0.500000 -0.500000 -0.500000
+v 0.500000 -0.500000 -0.500000
+vt 0.0000 0.0000
+vt 1.0000 0.0000
+vt 1.0000 1.0000
+vt 0.0000 1.0000
+vn 0.0000 -1.0000 -0.0000
+s off
+f 6/5/2 5/6/2 7/7/2 8/8/2
+g right
+v -0.500000 0.500000 0.500000
+v -0.500000 -0.500000 0.500000
+v -0.500000 -0.500000 -0.500000
+vt 1.0000 1.0000
+vt 0.0000 0.0000
+vt 1.0000 0.0000
+vn -1.0000 0.0000 0.0000
+s off
+f 9/9/3 11/10/3 10/11/3
+g left
+v 0.500000 0.500000 0.500000
+v 0.500000 -0.500000 0.500000
+v 0.500000 -0.500000 -0.500000
+vt 0.0000 1.0000
+vt 0.0000 0.0000
+vt 1.0000 0.0000
+vn 1.0000 0.0000 0.0000
+s off
+f 12/12/4 13/13/4 14/14/4
+g back
+v 0.500000 0.500000 0.500000
+v -0.500000 0.500000 0.500000
+v -0.500000 -0.500000 0.500000
+v 0.500000 -0.500000 0.500000
+vt 1.0000 1.0000
+vt 0.0000 1.0000
+vt 0.0000 0.0000
+vt 1.0000 0.0000
+vn 0.0000 -0.0000 1.0000
+s off
+f 15/15/5 16/16/5 17/17/5 18/18/5