minetest_colorcubes/init.lua

local cc = {}
cc.colors = { "yellow", "orange", "brown", "red", "rose", "violet", "magenta", "blue", "cyan", "green", "dark_green", "white", "light_gray", "dark_gray", "black" }
cc.human_colors = { "yellow", "orange", "brown", "red", "rose", "violet", "magenta", "blue", "cyan", "green", "dark green", "white", "light gray", "dark gray", "black" }

for i=1,#cc.colors do
	local c = cc.colors[i]
	local h = cc.human_colors[i]
	local nodedef1 = {
		description = h.." abstract block",
		tiles = { "colorcubes_"..c.."1.png" },
		groups = { dig_immediate = 2 },
		sounds = { footstep = { name = "colorcubes_block_footstep", gain = 0.5 } }
	}
	local nodedef_window = {
		description = h.." abstract window block",
		tiles = { "colorcubes_"..c.."_window.png" },
		groups = { dig_immediate = 2 },
		use_texture_alpha = true,
		drawtype = "glasslike",
		paramtype = "light",
	}
	local nodedef4 = {
		description = h.." tiled abstract block",
		tiles = { "colorcubes_"..c.."4.png" },
		groups = { dig_immediate = 2 },
		sounds = { footstep = { name = "colorcubes_block_footstep", gain = 0.5 } }
	}
	local nodedef_inward = {
		description = h.." inward abstract block",
		tiles = { "colorcubes_"..c.."_inward.png" },
		groups = { dig_immediate = 2 },
		sounds = { footstep = { name = "colorcubes_block_footstep", gain = 0.5 } }
	}
	minetest.register_node("colorcubes:"..c.."_single", nodedef1)
	minetest.register_node("colorcubes:"..c.."_window", nodedef_window)
	minetest.register_node("colorcubes:"..c.."_tiled", nodedef4)
	minetest.register_node("colorcubes:"..c.."_inward", nodedef_inward)

	minetest.register_craft({
		output = "colorcubes:"..c.."_tiled 4",
		recipe = {
			{"colorcubes:"..c, "colorcubes:"..c },
			{"colorcubes:"..c, "colorcubes:"..c },
		},
	})
end