nodes.lua

-- START RAW MATERIALS

local texture_style = minetest.setting_get("birthstones_texture_style") or "classic"
-- can also be "realistic" if all block textures are implemented

function file_exists(name)
	local f=io.open(name,"r")
	if f~=nil then
		io.close(f)
		return true
	else return false
	end
end

local function get_block_tiles(name)
	local this_texture_style = texture_style
	local path = nil
	if this_texture_style == "realistic" then
		-- if file_exists("birthstones_" .. name .. "_block_top.png") then
			path = { "birthstones_" .. name .. "_block_top.png", "birthstones_" .. name .. "_block_top.png", "birthstones_" .. name .. "_block_east.png", "birthstones_" .. name .. "_block_east.png", "birthstones_" .. name .. "_block_north.png", "birthstones_" .. name .. "_block_north.png" }
		-- else
		-- 	this_texture_style = "classic"
		-- end
	end
	-- intentionally don't use else since fallback to classic may have been performed above:
	if this_texture_style == "classic" then
		path = { "birthstones_" .. name .. "_block.png" }
	end
	return path
end

minetest.register_node( "birthstones:stone_with_alexandrite", {
	description = "Stone with Alexandrite",
	tiles = { "default_stone.png^birthstones_mineral_alexandrite.png" },
	is_ground_content = true,
	groups = {cracky=1},
	sounds = default.node_sound_stone_defaults(),
	drop = "birthstones:alexandrite",
})
minetest.register_node( "birthstones:stone_with_amethyst", {
	description = "Stone with Amethyst",
	tiles = { "default_stone.png^birthstones_mineral_amethyst.png" },
	is_ground_content = true,
	groups = {cracky=1},
	sounds = default.node_sound_stone_defaults(),
	drop = "birthstones:amethyst",
})
minetest.register_node( "birthstones:stone_with_aquamarine", {
	description = "Stone with Aquamarine",
	tiles = { "default_stone.png^birthstones_mineral_aquamarine.png" },
	is_ground_content = true,
	groups = {cracky=1},
	sounds = default.node_sound_stone_defaults(),
	drop = "birthstones:aquamarine",
})
minetest.register_node( "birthstones:stone_with_diamond", {
	description = "Stone with White Diamond",
	tiles = { "default_stone.png^birthstones_mineral_diamond.png" },
	is_ground_content = true,
	groups = {cracky=1},
	sounds = default.node_sound_stone_defaults(),
	drop = "birthstones:diamond",
})
minetest.register_node( "birthstones:stone_with_emerald", {
	description = "Stone with Emerald",
	tiles = { "default_stone.png^birthstones_mineral_emerald.png" },
	is_ground_content = true,
	groups = {cracky=1},
	sounds = default.node_sound_stone_defaults(),
	drop = "birthstones:emerald",
})
minetest.register_node( "birthstones:stone_with_garnet", {
	description = "Stone with Garnet",
	tiles = { "default_stone.png^birthstones_mineral_garnet.png" },
	is_ground_content = true,
	groups = {cracky=1},
	sounds = default.node_sound_stone_defaults(),
	drop = "birthstones:garnet",
})
minetest.register_node( "birthstones:stone_with_opal", {
	description = "Stone with Opal",
	tiles = { "default_stone.png^birthstones_mineral_opal.png" },
	is_ground_content = true,
	groups = {cracky=1},
	sounds = default.node_sound_stone_defaults(),
	drop = "birthstones:opal",
})
minetest.register_node( "birthstones:stone_with_peridot", {
	description = "Stone with Peridot",
	tiles = { "default_stone.png^birthstones_mineral_peridot.png" },
	is_ground_content = true,
	groups = {cracky=1},
	sounds = default.node_sound_stone_defaults(),
	drop = "birthstones:peridot",
})
minetest.register_node( "birthstones:stone_with_ruby", {
	description = "Stone with Ruby",
	tiles = { "default_stone.png^birthstones_mineral_ruby.png" },
	is_ground_content = true,
	groups = {cracky=1},
	sounds = default.node_sound_stone_defaults(),
	drop = "birthstones:ruby",
})
minetest.register_node( "birthstones:stone_with_sapphire", {
	description = "Stone with Sapphire",
	tiles = { "default_stone.png^birthstones_mineral_sapphire.png" },
	is_ground_content = true,
	groups = {cracky=1},
	sounds = default.node_sound_stone_defaults(),
	drop = "birthstones:sapphire",
})
minetest.register_node( "birthstones:stone_with_topaz", {
	description = "Stone with Topaz",
	tiles = { "default_stone.png^birthstones_mineral_topaz.png" },
	is_ground_content = true,
	groups = {cracky=1},
	sounds = default.node_sound_stone_defaults(),
	drop = "birthstones:topaz",
})
minetest.register_node( "birthstones:stone_with_zircon", {
	description = "Stone with Zircon",
	tiles = { "default_stone.png^birthstones_mineral_zircon.png" },
	is_ground_content = true,
	groups = {cracky=1},
	sounds = default.node_sound_stone_defaults(),
	drop = "birthstones:zircon",
})

-- END RAW MATERIALS


-- START BLOCKS


minetest.register_node( "birthstones:alexandriteblock", {
	description = "Alexandrite Block",
	tiles = get_block_tiles("alexandrite"),
	is_ground_content = true,
	groups = {cracky = 1, level = 3},
	sounds = default.node_sound_stone_defaults(),
})
minetest.register_node( "birthstones:amethystblock", {
	description = "Amethyst Block",
	tiles = get_block_tiles("amethyst"),
	is_ground_content = true,
	groups = {cracky = 1, level = 3},
	sounds = default.node_sound_stone_defaults(),
})
minetest.register_node( "birthstones:aquamarineblock", {
	description = "Aquamarine Block",
	tiles = get_block_tiles("aquamarine"),
	is_ground_content = true,
	groups = {cracky = 1, level = 3},
	sounds = default.node_sound_stone_defaults(),
})
minetest.register_node( "birthstones:diamondblock", {
	description = "White Diamond Block",
	tiles = get_block_tiles("diamond"),
	is_ground_content = true,
	groups = {cracky = 1, level = 3},
	sounds = default.node_sound_stone_defaults(),
})
minetest.register_node( "birthstones:emeraldblock", {
	description = "Emerald Block",
	tiles = get_block_tiles("emerald"),
	is_ground_content = true,
	groups = {cracky = 1, level = 3},
	sounds = default.node_sound_stone_defaults(),
})
minetest.register_node( "birthstones:garnetblock", {
	description = "Garnet Block",
	tiles = get_block_tiles("garnet"),
	is_ground_content = true,
	groups = {cracky = 1, level = 3},
	sounds = default.node_sound_stone_defaults(),
})
minetest.register_node( "birthstones:opalblock", {
	description = "Opal Block",
	tiles = get_block_tiles("opal"),
	is_ground_content = true,
	groups = {cracky = 1, level = 3},
	sounds = default.node_sound_stone_defaults(),
})
minetest.register_node( "birthstones:peridotblock", {
	description = "Peridot Block",
	tiles = get_block_tiles("peridot"),
	is_ground_content = true,
	groups = {cracky = 1, level = 3},
	sounds = default.node_sound_stone_defaults(),
})
minetest.register_node( "birthstones:rubyblock", {
	description = "Ruby Block",
	tiles = get_block_tiles("ruby"),
	is_ground_content = true,
	groups = {cracky = 1, level = 3},
	sounds = default.node_sound_stone_defaults(),
})
minetest.register_node( "birthstones:sapphireblock", {
	description = "Sapphire Block",
	tiles = get_block_tiles("sapphire"),
	is_ground_content = true,
	groups = {cracky = 1, level = 3},
	sounds = default.node_sound_stone_defaults(),
})
-- tiles: +Y, -Y, +X, -X, +Z, -Z. In English: top, bottom, right, left, back, front.  - http://dev.minetest.net/minetest.register_node
minetest.register_node( "birthstones:topazblock", {
	description = "Topaz Block",
	tiles = get_block_tiles("topaz"),
	is_ground_content = true,
	groups = {cracky = 1, level = 3},
	sounds = default.node_sound_stone_defaults(),
})
minetest.register_node( "birthstones:zirconblock", {
	description = "Zircon Block",
	tiles = get_block_tiles("zircon"),
	is_ground_content = true,
	groups = {cracky = 1, level = 3},
	sounds = default.node_sound_stone_defaults(),
})