Add compressed cobblestone, crafted with 9 cobblestone.

crafting.lua

@@ -432,6 +432,23 @@ minetest.register_craft({
 	}
 })
 
+minetest.register_craft({
+	output = "moreblocks:cobble_compressed",
+	recipe = {
+		{"default:cobble", "default:cobble", "default:cobble"},
+		{"default:cobble", "default:cobble", "default:cobble"},
+		{"default:cobble", "default:cobble", "default:cobble"},
+	}
+})
+
+minetest.register_craft({
+	output = "default:cobble 9",
+	recipe = {
+		{"moreblocks:cobble_compressed"},
+	}
+})
+
+
 minetest.register_craft({
 	type = "cooking", output = "moreblocks:tar", recipe = "default:gravel",
 })

nodes.lua

@@ -116,6 +116,11 @@ local nodes = {
 		groups = {cracky = 2},
 		sounds = sound_stone,
 	},
+	["cobble_compressed"] = {
+		description = S("Compressed Cobblestone"),
+		groups = {cracky = 1},
+		sounds = sound_stone,
+	},
 	["plankstone"] = {
 		description = S("Plankstone"),
 		groups = {cracky = 3},

stairsplus/slabs.lua

@@ -74,11 +74,11 @@ function stairsplus:register_slab(modname, subname, recipeitem, fields)
 		end
 		def.description = desc
 		if fields.drop then
-			def.drop = modname.. ":slab_" ..fields.drop..alternate
+			def.drop = modname.. ":slab_" .. fields.drop .. alternate
 		end
-		minetest.register_node(":" ..modname.. ":slab_" ..subname..alternate, def)
+		minetest.register_node(":" .. modname .. ":slab_" .. subname .. alternate, def)
 	end
-	minetest.register_alias("stairs:slab_" ..subname, modname.. ":slab_" ..subname)
+	minetest.register_alias("stairs:slab_" .. subname, modname .. ":slab_" .. subname)
 
 	-- Some saw-less recipes:
 

stairsplus/stairs.lua

@@ -115,11 +115,11 @@ function stairsplus:register_stair(modname, subname, recipeitem, fields)
 		end
 		def.description = desc
 		if fields.drop then
-			def.drop = modname.. ":stair_" ..fields.drop..alternate
+			def.drop = modname .. ":stair_" .. fields.drop .. alternate
 		end
-		minetest.register_node(":" ..modname.. ":stair_" ..subname..alternate, def)
+		minetest.register_node(":" .. modname .. ":stair_" .. subname .. alternate, def)
 	end
-	minetest.register_alias(":stairs:stair_" ..subname, modname.. ":stair_" ..subname)
+	minetest.register_alias("stairs:stair_" .. subname, modname .. ":stair_" .. subname)
 
 	-- Some saw-less recipes: