prototype connecting nodeboxes demo

init.lua

--[[

Wall mod for Minetest

Copyright (C) 2015 Auke Kok <sofar@foo-projects.org>

This program is free software. It comes without any warranty, to
the extent permitted by applicable law. You can redistribute it
and/or modify it under the terms of the Do What The Fuck You Want
To Public License, Version 2, as published by Sam Hocevar. See
http://sam.zoy.org/wtfpl/COPYING for more details.

--]]

wall = {}

wall.register = function(wall_name, wall_desc, wall_texture, wall_mat, wall_sounds)
	-- inventory node, and pole-type wall start item
	minetest.register_node(wall_name, {
		description = wall_desc,
		drawtype = "nodebox",
		node_box = {
			type = "connected",
			fixed = {{-1/4, -1/2, -1/4, 1/4, 1/2, 1/4}},
			-- connect_up = 
			-- connect_down = 
			connect_n = {{-1/8, -1/2,  1/4,  1/8, 1/4,  1/2}},
			connect_e = {{ 1/4, -1/2, -1/8,  1/2, 1/4,  1/8}},
			connect_w = {{-1/2, -1/2, -1/8, -1/4, 1/4,  1/8}},
			connect_s = {{-1/8, -1/2, -1/2,  1/8, 1/4, -1/4}},
		},
		paramtype = "light",
		is_ground_content = false,
		tiles = { wall_texture, },
		walkable = true,
		groups = { cracky = 3, wall = 1, stone = 2 },
		sounds = wall_sounds,
	})

	-- crafting recipe
	minetest.register_craft({
		output = wall_name,
		recipe = {
			{ '', '', '' },
			{ wall_mat, wall_mat, wall_mat},
			{ wall_mat, wall_mat, wall_mat},
		}
	})

end

wall.register("wall:stone", "Stone Wall", "default_stone.png",
		"default:stone", default.node_sound_stone_defaults())
wall.register("wall:cobble", "Cobblestone Wall", "default_cobble.png",
		"default:cobble", default.node_sound_stone_defaults())
wall.register("wall:stonebrick", "Stone Brick Wall", "default_stone_brick.png",
		"default:stonebrick", default.node_sound_stone_defaults())

wall.register("wall:mossycobble", "Mossy Cobblestone Wall", "default_mossycobble.png",
		"default:mossycobble", default.node_sound_stone_defaults())

wall.register("wall:sandstone", "Sandstone Wall", "default_sandstone.png",
		"default:sandstone", default.node_sound_stone_defaults())
wall.register("wall:sandstonebrick", "Sandstone Brick Wall", "default_sandstone_brick.png",
		"default:sandstonebrick", default.node_sound_stone_defaults())

wall.register("wall:desertstone", "Desert Stone Wall", "default_desert_stone.png",
		"default:desert_stone", default.node_sound_stone_defaults())
wall.register("wall:desertcobble", "Desert Cobblestone Wall", "default_desert_cobble.png",
		"default:desert_cobble", default.node_sound_stone_defaults())
wall.register("wall:desertstonebrick", "Desert Stone Brick Wall", "default_desert_stone_brick.png",
		"default:desert_stonebrick", default.node_sound_stone_defaults())

wall.register("wall:obsidian", "Obsidian Wall", "default_obsidian.png",
		"default:obsidian", default.node_sound_stone_defaults())
wall.register("wall:obsidianbrick", "Obsidian Brick Wall", "default_obsidian_brick.png",
		"default:obsidianbrick", default.node_sound_stone_defaults())


minetest.register_node("wall:fence", {
	description = "New Fence",
	drawtype = "nodebox",
	node_box = {
		type = "connected",
		fixed = {{-1/8, -1/2, -1/8, 1/8, 1/2, 1/8}},
		-- connect_up = 
		-- connect_down = 
		connect_n = {{-1/16,3/16,1/8,1/16,5/16,1/2},
			     {-1/16,-5/16,1/8,1/16,-3/16,1/2},
			     {-1/16,-1/16,1/8,1/16,1/16,1/2}},
		connect_e = {{1/8,3/16,-1/16,1/2,5/16,1/16},
			     {1/8,-5/16,-1/16,1/2,-3/16,1/16},
			     {1/8,-1/16,-1/16,1/2,1/16,1/16}},
		connect_w = {{-1/2,3/16,-1/16,-1/8,5/16,1/16},
			     {-1/2,-5/16,-1/16,-1/8,-3/16,1/16},
			     {-1/2,-1/16,-1/16,-1/8,1/16,1/16}},
		connect_s = {{-1/16,3/16,-1/2,1/16,5/16,-1/8},
			     {-1/16,-5/16,-1/2,1/16,-3/16,-1/8},
			     {-1/16,-1/16,-1/2,1/16,1/16,-1/8}},
	},
	paramtype = "light",
	is_ground_content = false,
	tiles = { "default_tree.png" },
	walkable = true,
	groups = { choppy = 3, fence = 1, wood = 2 },
	sounds = default.node_sound_wood_defaults(),
})

minetest.register_node("wall:fence_jungle", {
	description = "New Fence Jungle",
	drawtype = "nodebox",
	node_box = {
		type = "connected",
		fixed = {{-1/8, -1/2, -1/8, 1/8, 1/2, 1/8}},
		-- connect_up = 
		-- connect_down = 
		connect_n = {{-1/16,3/16,1/8,1/16,5/16,1/2},
			     {-1/16,-5/16,1/8,1/16,-3/16,1/2},
			     {-1/16,-1/16,1/8,1/16,1/16,1/2}},
		connect_e = {{1/8,3/16,-1/16,1/2,5/16,1/16},
			     {1/8,-5/16,-1/16,1/2,-3/16,1/16},
			     {1/8,-1/16,-1/16,1/2,1/16,1/16}},
		connect_w = {{-1/2,3/16,-1/16,-1/8,5/16,1/16},
			     {-1/2,-5/16,-1/16,-1/8,-3/16,1/16},
			     {-1/2,-1/16,-1/16,-1/8,1/16,1/16}},
		connect_s = {{-1/16,3/16,-1/2,1/16,5/16,-1/8},
			     {-1/16,-5/16,-1/2,1/16,-3/16,-1/8},
			     {-1/16,-1/16,-1/2,1/16,1/16,-1/8}},
	},
	paramtype = "light",
	is_ground_content = false,
	tiles = { "default_jungletree.png" },
	walkable = true,
	groups = { choppy = 3, fence = 1, wood = 2 },
	sounds = default.node_sound_wood_defaults(),
})


minetest.register_node("wall:glass_pane", {
	description = "Glass pane new",
	drawtype = "nodebox",
	node_box = {
		type = "connected",
		fixed = {{-1/16, -1/2, -1/16, 1/16, 1/2, 1/16}},
		-- connect_up = 
		-- connect_down = 
		connect_n = {{-1/16,-1/2,1/16,1/16,1/2,1/2}},
		connect_e = {{1/16,-1/2,-1/16,1/2,1/2,1/16}},
		connect_w = {{-1/2,-1/2,-1/16,-1/16,1/2,1/16}},
		connect_s = {{-1/16,-1/2,-1/2,1/16,1/2,-1/16}},
	},
	selection_box = { type = "fixed", fixed = { -1/2, -1/2, -1/2, 1/2, 1/2, 1/2 }, },
	paramtype = "light",
	is_ground_content = false,
	tiles = { "xpanes_pane_magenta.png" },
	use_texture_alpha = true,
	backface_culling = true,
	walkable = true,
	groups = { choppy = 3, fence = 1, wood = 2 },
	sounds = default.node_sound_wood_defaults(),
})


minetest.register_node("wall:conduit", {
	description = "some wire new",
	drawtype = "nodebox",
	node_box = {
		type = "connected",
		fixed = {{-1/16, -1/2, -1/16, 1/16, -7/16, 1/16}},
		connect_up =  {{-1/16, -7/16, -1/16, 1/16, 1/2, 1/16}},
		-- connect_down = 
		connect_n = {{-1/16,-1/2,1/16,1/16,-7/16,1/2}},
		connect_e = {{1/16,-1/2,-1/16,1/2,-7/16,1/16}},
		connect_w = {{-1/2,-1/2,-1/16,-1/16,-7/16,1/16}},
		connect_s = {{-1/16,-1/2,-1/2,1/16,-7/16,-1/16}},
	},
	selection_box = { type = "fixed", fixed = { -1/2, -1/2, -1/2, 1/2, -1/4, 1/2 }, },
	paramtype = "light",
	is_ground_content = false,
	tiles = { "default_mese_block.png" },
	walkable = true,
	groups = { choppy = 3, fence = 1, wood = 2 },
	sounds = default.node_sound_wood_defaults(),
})