Add obsidianbrick

use Zeg9`s texture

mods/default/crafting.lua

@@ -580,6 +580,14 @@ minetest.register_craft({
 	}
 })
 
+minetest.register_craft({
+	output = 'default:obsidianbrick',
+	recipe = {
+		{'default:obsidian', 'default:obsidian'},
+		{'default:obsidian', 'default:obsidian'}
+	}
+})
+
 minetest.register_craft({
 	output = 'default:stonebrick 4',
 	recipe = {

mods/default/nodes.lua

@@ -64,7 +64,7 @@ minetest.register_node("default:stone_with_gold", {
 	drop = "default:gold_lump",
 	sounds = default.node_sound_stone_defaults(),
 })
-	
+
 minetest.register_node("default:stone_with_diamond", {
 	description = "Diamond Ore",
 	tiles = {"default_stone.png^default_mineral_diamond.png"},
@@ -733,7 +733,7 @@ minetest.register_node("default:sign_wall", {
 	end,
 })
 
-default.chest_formspec = 
+default.chest_formspec =
 	"size[8,9]"..
 	default.gui_bg..
 	default.gui_bg_img..
@@ -968,6 +968,13 @@ minetest.register_node("default:obsidian", {
 	groups = {cracky=1,level=2},
 })
 
+minetest.register_node("default:obsidianbrick", {
+	description = "Obsidian Brick",
+	tiles = {"default_obsidian_brick.png"},
+	sounds = default.node_sound_stone_defaults(),
+	groups = {cracky=1,level=2},
+})
+
 minetest.register_node("default:nyancat", {
 	description = "Nyan Cat",
 	tiles = {"default_nc_side.png", "default_nc_side.png", "default_nc_side.png",