Stairs: Set world-aligned textures for all stairs and slabs

Fix 'stair_images' code to avoid 'stair_images' being empty in some
situations.
Change stairs back to nodeboxes to make world-aligned textures work.

mods/stairs/README.txt

@@ -7,12 +7,3 @@ Authors of source code
 Originally by Kahrl <kahrl@gmx.net> (LGPL 2.1) and
 celeron55, Perttu Ahola <celeron55@gmail.com> (LGPL 2.1)
 Various Minetest developers and contributors (LGPL 2.1)
-
-Authors of media (models)
--------------------------
-Jean-Patrick G. (kilbith) <jeanpatrick.guerrero@gmail.com> (CC BY-SA 3.0):
-  stairs_stair.obj
-GreenXenith (CC BY-SA 3.0)
-  stairs_stair_inner.obj stairs_stair_outer.obj
-
-

mods/stairs/init.lua

@@ -46,41 +46,40 @@ end
 -- Node will be called stairs:stair_<subname>
 
 function stairs.register_stair(subname, recipeitem, groups, images, description, sounds)
+	-- Set backface culling and world-aligned textures
 	local stair_images = {}
 	for i, image in ipairs(images) do
 		if type(image) == "string" then
 			stair_images[i] = {
 				name = image,
 				backface_culling = true,
+				align_style = "world",
 			}
-		elseif image.backface_culling == nil then -- override using any other value
+		else
 			stair_images[i] = table.copy(image)
-			stair_images[i].backface_culling = true
+			if stair_images[i].backface_culling == nil then
+				stair_images[i].backface_culling = true
+			end
+			if stair_images[i].align_style == nil then
+				stair_images[i].align_style = "world"
+			end
 		end
 	end
 	groups.stair = 1
 	minetest.register_node(":stairs:stair_" .. subname, {
 		description = description,
-		drawtype = "mesh",
-		mesh = "stairs_stair.obj",
+		drawtype = "nodebox",
 		tiles = stair_images,
 		paramtype = "light",
 		paramtype2 = "facedir",
 		is_ground_content = false,
 		groups = groups,
 		sounds = sounds,
-		selection_box = {
+		node_box = {
 			type = "fixed",
 			fixed = {
-				{-0.5, -0.5, -0.5, 0.5, 0, 0.5},
-				{-0.5, 0, 0, 0.5, 0.5, 0.5},
-			},
-		},
-		collision_box = {
-			type = "fixed",
-			fixed = {
-				{-0.5, -0.5, -0.5, 0.5, 0, 0.5},
-				{-0.5, 0, 0, 0.5, 0.5, 0.5},
+				{-0.5, -0.5, -0.5, 0.5, 0.0, 0.5},
+				{-0.5, 0.0, 0.0, 0.5, 0.5, 0.5},
 			},
 		},
 		on_place = function(itemstack, placer, pointed_thing)
@@ -144,11 +143,26 @@ local slab_trans_dir = {[0] = 8, 0, 2, 1, 3, 4}
 -- Node will be called stairs:slab_<subname>
 
 function stairs.register_slab(subname, recipeitem, groups, images, description, sounds)
+	-- Set world-aligned textures
+	local slab_images = {}
+	for i, image in ipairs(images) do
+		if type(image) == "string" then
+			slab_images[i] = {
+				name = image,
+				align_style = "world",
+			}
+		else
+			slab_images[i] = table.copy(image)
+			if image.align_style == nil then
+				slab_images[i].align_style = "world"
+			end
+		end
+	end
 	groups.slab = 1
 	minetest.register_node(":stairs:slab_" .. subname, {
 		description = description,
 		drawtype = "nodebox",
-		tiles = images,
+		tiles = slab_images,
 		paramtype = "light",
 		paramtype2 = "facedir",
 		is_ground_content = false,
@@ -280,43 +294,41 @@ end
 -- Node will be called stairs:stair_inner_<subname>
 
 function stairs.register_stair_inner(subname, recipeitem, groups, images, description, sounds)
+	-- Set backface culling and world-aligned textures
 	local stair_images = {}
 	for i, image in ipairs(images) do
 		if type(image) == "string" then
 			stair_images[i] = {
 				name = image,
 				backface_culling = true,
+				align_style = "world",
 			}
-		elseif image.backface_culling == nil then -- override using any other value
+		else
 			stair_images[i] = table.copy(image)
-			stair_images[i].backface_culling = true
+			if stair_images[i].backface_culling == nil then
+				stair_images[i].backface_culling = true
+			end
+			if stair_images[i].align_style == nil then
+				stair_images[i].align_style = "world"
+			end
 		end
 	end
 	groups.stair = 1
 	minetest.register_node(":stairs:stair_inner_" .. subname, {
 		description = description .. " Inner",
-		drawtype = "mesh",
-		mesh = "stairs_stair_inner.obj",
+		drawtype = "nodebox",
 		tiles = stair_images,
 		paramtype = "light",
 		paramtype2 = "facedir",
 		is_ground_content = false,
 		groups = groups,
 		sounds = sounds,
-		selection_box = {
+		node_box = {
 			type = "fixed",
 			fixed = {
-				{-0.5, -0.5, -0.5, 0.5, 0, 0.5},
-				{-0.5, 0, 0, 0.5, 0.5, 0.5},
-				{-0.5, 0, -0.5, 0, 0.5, 0},
-			},
-		},
-		collision_box = {
-			type = "fixed",
-			fixed = {
-				{-0.5, -0.5, -0.5, 0.5, 0, 0.5},
-				{-0.5, 0, 0, 0.5, 0.5, 0.5},
-				{-0.5, 0, -0.5, 0, 0.5, 0},
+				{-0.5, -0.5, -0.5, 0.5, 0.0, 0.5},
+				{-0.5, 0.0, 0.0, 0.5, 0.5, 0.5},
+				{-0.5, 0.0, -0.5, 0.0, 0.5, 0.0},
 			},
 		},
 		on_place = function(itemstack, placer, pointed_thing)
@@ -358,41 +370,40 @@ end
 -- Node will be called stairs:stair_outer_<subname>
 
 function stairs.register_stair_outer(subname, recipeitem, groups, images, description, sounds)
+	-- Set backface culling and world-aligned textures
 	local stair_images = {}
 	for i, image in ipairs(images) do
 		if type(image) == "string" then
 			stair_images[i] = {
 				name = image,
 				backface_culling = true,
+				align_style = "world",
 			}
-		elseif image.backface_culling == nil then -- override using any other value
+		else
 			stair_images[i] = table.copy(image)
-			stair_images[i].backface_culling = true
+			if stair_images[i].backface_culling == nil then
+				stair_images[i].backface_culling = true
+			end
+			if stair_images[i].align_style == nil then
+				stair_images[i].align_style = "world"
+			end
 		end
 	end
 	groups.stair = 1
 	minetest.register_node(":stairs:stair_outer_" .. subname, {
 		description = description .. " Outer",
-		drawtype = "mesh",
-		mesh = "stairs_stair_outer.obj",
+		drawtype = "nodebox",
 		tiles = stair_images,
 		paramtype = "light",
 		paramtype2 = "facedir",
 		is_ground_content = false,
 		groups = groups,
 		sounds = sounds,
-		selection_box = {
+		node_box = {
 			type = "fixed",
 			fixed = {
-				{-0.5, -0.5, -0.5, 0.5, 0, 0.5},
-				{-0.5, 0, 0, 0, 0.5, 0.5},
-			},
-		},
-		collision_box = {
-			type = "fixed",
-			fixed = {
-				{-0.5, -0.5, -0.5, 0.5, 0, 0.5},
-				{-0.5, 0, 0, 0, 0.5, 0.5},
+				{-0.5, -0.5, -0.5, 0.5, 0.0, 0.5},
+				{-0.5, 0.0, 0.0, 0.0, 0.5, 0.5},
 			},
 		},
 		on_place = function(itemstack, placer, pointed_thing)

mods/stairs/license.txt

@@ -2,9 +2,9 @@ License of source code
 ----------------------
 
 GNU Lesser General Public License, version 2.1
-Copyright (C) 2011-2016 Kahrl <kahrl@gmx.net>
-Copyright (C) 2011-2016 celeron55, Perttu Ahola <celeron55@gmail.com>
-Copyright (C) 2012-2016 Various Minetest developers and contributors
+Copyright (C) 2011-2017 Kahrl <kahrl@gmx.net>
+Copyright (C) 2011-2017 celeron55, Perttu Ahola <celeron55@gmail.com>
+Copyright (C) 2012-2017 Various Minetest developers and contributors
 
 This program is free software; you can redistribute it and/or modify it under the terms
 of the GNU Lesser General Public License as published by the Free Software Foundation;
@@ -14,39 +14,3 @@ This program is distributed in the hope that it will be useful, but WITHOUT ANY
 without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 See the GNU Lesser General Public License for more details:
 https://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
-
-
-Licenses of media (models)
---------------------------
-
-Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0)
-Copyright (C) 2015-2016 Jean-Patrick G. (kilbith) <jeanpatrick.guerrero@gmail.com>
-Copyright (C) 2017 GreenXenith
-
-You are free to:
-Share — copy and redistribute the material in any medium or format.
-Adapt — remix, transform, and build upon the material for any purpose, even commercially.
-The licensor cannot revoke these freedoms as long as you follow the license terms.
-
-Under the following terms:
-
-Attribution — You must give appropriate credit, provide a link to the license, and
-indicate if changes were made. You may do so in any reasonable manner, but not in any way
-that suggests the licensor endorses you or your use.
-
-ShareAlike — If you remix, transform, or build upon the material, you must distribute
-your contributions under the same license as the original.
-
-No additional restrictions — You may not apply legal terms or technological measures that
-legally restrict others from doing anything the license permits.
-
-Notices:
-
-You do not have to comply with the license for elements of the material in the public
-domain or where your use is permitted by an applicable exception or limitation.
-No warranties are given. The license may not give you all of the permissions necessary
-for your intended use. For example, other rights such as publicity, privacy, or moral
-rights may limit how you use the material.
-
-For more details:
-http://creativecommons.org/licenses/by-sa/3.0/

mods/stairs/models/stairs_stair.obj

@@ -1,115 +0,0 @@
-# Blender v2.72 (sub 0) OBJ File: ''
-# www.blender.org
-mtllib stairs.mtl
-o stairs_top
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-g stairs_top
-usemtl None
-s off
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-g stairs_bottom
-usemtl None
-s off
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-o stairs_right
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-usemtl None
-s off
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-f 15/13/3 18/14/3 17/15/3
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-f 16/16/3 18/14/3 15/13/3
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-g stairs_left
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-f 19/17/4 20/18/4 21/19/4
-f 19/17/4 23/20/4 24/21/4
-f 20/18/4 19/17/4 22/22/4
-f 19/17/4 24/21/4 22/22/4
-o stairs_back
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-g stairs_back
-usemtl None
-s off
-f 26/23/5 28/24/5 27/25/5 25/26/5
-o stairs_front
-v -0.500000 0.000000 -0.500000
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-s off
-f 30/27/6 29/28/6 34/29/6 33/30/6
-f 31/28/6 35/31/6 36/32/6 32/29/6

mods/stairs/models/stairs_stair_inner.obj

@@ -1,161 +0,0 @@
-# Blender v2.78 (sub 0) OBJ File: ''
-# www.blender.org
-mtllib stairs_inner_stair.mtl
-o stairs_back_right_stairs_back.001
-v 0.500000 -0.500000 0.500000
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-usemtl None.001
-s 1
-f 1/1/1 2/2/1 3/3/1 4/4/1
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mods/stairs/models/stairs_stair_outer.obj

@@ -1,136 +0,0 @@
-# Blender v2.78 (sub 0) OBJ File: ''
-# www.blender.org
-mtllib stairs_outer_stair.mtl
-o stairs_bottom
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-o stairs_back_left_stairs_left
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-o stairs_back_right_stairs_back
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