improve warnin message

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "sound_api_core"]
+	path = sound_api_core
+	url = https://github.com/mt-mods/sound_api_core.git

.luacheckrc

@@ -1,7 +1,7 @@
 globals = {
-    "minetest", "basic_materials", "crafting",
+    "minetest", "basic_materials",
 }
 
 read_globals = {
-    "default", "xcompat",
+    "default",
 }

README.md

@@ -21,3 +21,10 @@ mod that adds basic material nodes and items
 
 * `git clone https://github.com/mt-mods/basic_materials.git`
 * `cd basic_materials`
+* `git submodule init`
+* `git submodule update`
+
+to update please use the following commands starting inside the mod directory
+
+* `git submodule sync`
+* `git submodule update`

craftitems.lua

@@ -85,18 +85,6 @@ minetest.register_craftitem("basic_materials:gold_wire", {
 	inventory_image = "basic_materials_gold_wire.png"
 })
 
-minetest.register_craftitem("basic_materials:stainless_steel_wire", {
-	description = S("Spool of stainless steel wire"),
-	groups = { wire = 1 },
-	inventory_image = "basic_materials_stainless_steel_wire.png"
-})
-
-minetest.register_craftitem("basic_materials:aluminum_wire", {
-	description = S("Spool of aluminum wire"),
-	groups = { wire = 1 },
-	inventory_image = "basic_materials_aluminum_wire.png"
-})
-
 minetest.register_craftitem("basic_materials:steel_strip", {
 	description = S("Steel Strip"),
 	groups = { strip = 1 },
@@ -109,50 +97,11 @@ minetest.register_craftitem("basic_materials:copper_strip", {
 	inventory_image = "basic_materials_copper_strip.png"
 })
 
-minetest.register_craftitem("basic_materials:lead_strip", {
-	description = S("Lead Strip"),
-	groups = { strip = 1 },
-	inventory_image = "basic_materials_lead_strip.png"
-})
-
-minetest.register_craftitem("basic_materials:gold_strip", {
-	description = S("Gold Strip"),
-	groups = { strip = 1 },
-	inventory_image = "basic_materials_gold_strip.png"
-})
-
-minetest.register_craftitem("basic_materials:stainless_steel_strip", {
-	description = S("Stainless Steel Strip"),
-	groups = { strip = 1 },
-	inventory_image = "basic_materials_stainless_steel_strip.png"
-})
-
-minetest.register_craftitem("basic_materials:aluminum_strip", {
-	description = S("Aluminum Strip"),
-	groups = { strip = 1 },
-	inventory_image = "basic_materials_aluminum_strip.png"
-})
-
 minetest.register_craftitem("basic_materials:steel_bar", {
 	description = S("Steel Bar"),
 	inventory_image = "basic_materials_steel_bar.png",
 })
 
-minetest.register_craftitem("basic_materials:carbon_steel_bar", {
-	description = S("Carbon Steel Bar"),
-	inventory_image = "basic_materials_carbon_steel_bar.png",
-})
-
-minetest.register_craftitem("basic_materials:stainless_steel_bar", {
-	description = S("Stainless Steel Bar"),
-	inventory_image = "basic_materials_stainless_steel_bar.png",
-})
-
-minetest.register_craftitem("basic_materials:aluminum_bar", {
-	description = S("Aluminum Bar"),
-	inventory_image = "basic_materials_aluminum_bar.png",
-})
-
 minetest.register_craftitem("basic_materials:chainlink_brass", {
 	description = S("Chainlinks (brass)"),
 	groups = { chainlinks = 1 },
@@ -179,10 +128,3 @@ minetest.register_craftitem("basic_materials:padlock", {
 	description = S("Padlock"),
 	inventory_image = "basic_materials_padlock.png"
 })
-
-if minetest.get_modpath("hades_materials") then
-	minetest.register_alias_force("basic_materials:plastic_sheet", "hades_materials:plastic_sheeting")
-	minetest.register_alias_force("basic_materials:paraffin", "hades_materials:plastic_base")
-	minetest.register_alias_force("basic_materials:silicon", "hades_materials:silicon")
-end
-

crafts.lua

@@ -1,45 +1,5 @@
-local materials = xcompat.materials
-
-local have_hades_materials = minetest.get_modpath("hades_materials")
-
-local function compress_craft(input)
-	local buffer = {}
-	for _, item in pairs(input) do
-		if type(item)=="table" then
-			for _, inneritem in pairs(item) do
-				buffer[inneritem] = (buffer[inneritem] or 0) + 1
-			end
-		elseif item ~= "" then
-			buffer[item] = (buffer[item] or 0) + 1
-		end
-	end
-
-	local output = {}
-	for item, count in pairs(buffer) do
-		output[#output + 1] = item .. " " .. count
-	end
-	return output
-end
-
-local function register_craft(input)
-	if minetest.get_modpath("rp_crafting") then
-		local rp_craft = compress_craft(input.recipe)
-		if #rp_craft > crafting.MAX_INPUTS then
-			minetest.log("error", "[basic_materials] unable to register craft for " .. input.output)
-			return
-		end
-
-		crafting.register_craft({
-			output = input.output,
-			items = rp_craft
-		})
-	else
-		minetest.register_craft(input)
-	end
-end
-
--- Craft recipes
-register_craft({
+--craft recipes
+minetest.register_craft({
 	output = "basic_materials:chainlink_brass 12",
 	recipe = {
 		{"", "basic_materials:brass_ingot", "basic_materials:brass_ingot"},
@@ -48,8 +8,8 @@ register_craft({
 	},
 })
 
-register_craft({
-	output = "basic_materials:chain_steel 2",
+minetest.register_craft({
+	output = 'basic_materials:chain_steel 2',
 	recipe = {
 		{"basic_materials:chainlink_steel"},
 		{"basic_materials:chainlink_steel"},
@@ -57,8 +17,8 @@ register_craft({
 	}
 })
 
-register_craft({
-	output = "basic_materials:chain_brass 2",
+minetest.register_craft({
+	output = 'basic_materials:chain_brass 2',
 	recipe = {
 		{"basic_materials:chainlink_brass"},
 		{"basic_materials:chainlink_brass"},
@@ -66,13 +26,13 @@ register_craft({
 	}
 })
 
-register_craft( {
+minetest.register_craft( {
 	type = "shapeless",
 	output = "basic_materials:brass_ingot 9",
 	recipe = { "basic_materials:brass_block" },
 })
 
-register_craft( {
+minetest.register_craft( {
 	output = "basic_materials:brass_block",
 	recipe = {
 		{ "basic_materials:brass_ingot", "basic_materials:brass_ingot", "basic_materials:brass_ingot" },
@@ -81,14 +41,14 @@ register_craft( {
 	},
 })
 
-register_craft( {
+minetest.register_craft( {
     output = "basic_materials:plastic_strip 9",
     recipe = {
 		{ "basic_materials:plastic_sheet", "basic_materials:plastic_sheet", "basic_materials:plastic_sheet" }
     },
 })
 
-register_craft( {
+minetest.register_craft( {
 	output = "basic_materials:empty_spool 3",
 	recipe = {
 		{ "basic_materials:plastic_sheet", "basic_materials:plastic_sheet", "basic_materials:plastic_sheet" },
@@ -97,27 +57,18 @@ register_craft( {
 	},
 })
 
-if have_hades_materials then
-	minetest.clear_craft({
-		type = "shapeless",
-		recipe = {"group:leaves", "group:leaves", "group:leaves", "group:leaves", "group:leaves", "group:leaves"}
-	})
-end
-
-register_craft({
+minetest.register_craft({
 	type = "shapeless",
 	output = "basic_materials:oil_extract 2",
 	recipe = {"group:leaves", "group:leaves", "group:leaves", "group:leaves", "group:leaves", "group:leaves"}
 })
 
--- Cooking recipes
-if not have_hades_materials then
+--cooking recipes
 minetest.register_craft({
 	type = "cooking",
 	output = "basic_materials:plastic_sheet",
 	recipe = "basic_materials:paraffin",
 })
-end
 
 minetest.register_craft({
 	type = "cooking",
@@ -132,7 +83,7 @@ minetest.register_craft({
 	cooktime = 8
 })
 
--- Fuel recipes
+--fuel recipes
 minetest.register_craft({
 	type = "fuel",
 	recipe = "basic_materials:plastic_sheet",
@@ -151,21 +102,22 @@ minetest.register_craft({
 	burntime = 30,
 })
 
-register_craft({
-	output = "basic_materials:concrete_block 6",
+if minetest.get_modpath("default") then
+    minetest.register_craft({
+        output = 'basic_materials:concrete_block 6',
         recipe = {
-		{"group:sand", "basic_materials:wet_cement", materials.gravel},
-		{"basic_materials:steel_bar", "basic_materials:wet_cement", "basic_materials:steel_bar"},
-		{materials.gravel, "basic_materials:wet_cement", "group:sand"},
+            {'group:sand',                'basic_materials:wet_cement', 'default:gravel'},
+            {'basic_materials:steel_bar', 'basic_materials:wet_cement', 'basic_materials:steel_bar'},
+            {'default:gravel',            'basic_materials:wet_cement', 'group:sand'},
         }
     })
 
-register_craft( {
+    minetest.register_craft( {
         output = "basic_materials:motor 2",
         recipe = {
-		{materials.mese_crystal_fragment, "basic_materials:copper_wire", "basic_materials:plastic_sheet"},
-		{materials.copper_ingot, materials.steel_ingot, materials.steel_ingot},
-		{materials.mese_crystal_fragment, "basic_materials:copper_wire", "basic_materials:plastic_sheet"}
+            { "default:mese_crystal_fragment", "basic_materials:copper_wire", "basic_materials:plastic_sheet" },
+            { "default:copper_ingot",          "default:steel_ingot",         "default:steel_ingot" },
+            { "default:mese_crystal_fragment", "basic_materials:copper_wire", "basic_materials:plastic_sheet" }
         },
         replacements = {
             { "basic_materials:copper_wire", "basic_materials:empty_spool" },
@@ -173,269 +125,179 @@ register_craft( {
         }
     })
 
-register_craft( {
+    minetest.register_craft( {
         output = "basic_materials:heating_element 2",
         recipe = {
-		{materials.copper_ingot, materials.mese_crystal_fragment, materials.copper_ingot}
+            { "default:copper_ingot", "default:mese_crystal_fragment", "default:copper_ingot" }
         },
     })
 
-register_craft({
+    minetest.register_craft({
         --type = "shapeless",
         output = "basic_materials:energy_crystal_simple 2",
         recipe = {
-		{materials.mese_crystal_fragment, materials.torch, materials.mese_crystal_fragment},
-		{materials.diamond, materials.gold_ingot, materials.diamond}
+            { "default:mese_crystal_fragment", "default:torch", "default:mese_crystal_fragment" },
+            { "default:diamond", "default:gold_ingot", "default:diamond" }
         },
     })
 
-register_craft( {
+    minetest.register_craft( {
         output = "basic_materials:copper_wire 2",
         type = "shapeless",
         recipe = {
-		materials.copper_ingot,
+            "default:copper_ingot",
             "basic_materials:empty_spool",
             "basic_materials:empty_spool",
         },
     })
 
-register_craft( {
+    minetest.register_craft( {
         output = "basic_materials:gold_wire 2",
         type = "shapeless",
         recipe = {
-		materials.gold_ingot,
+            "default:gold_ingot",
             "basic_materials:empty_spool",
             "basic_materials:empty_spool",
         },
     })
 
-register_craft( {
+    minetest.register_craft( {
         output = "basic_materials:steel_wire 2",
         type = "shapeless",
         recipe = {
-		materials.steel_ingot,
+            "default:steel_ingot",
             "basic_materials:empty_spool",
             "basic_materials:empty_spool",
         },
     })
 
-if materials.stainless_steel_ingot then
-	register_craft( {
-		output = "basic_materials:stainless_steel_wire 2",
-		type = "shapeless",
-		recipe = {
-			materials.stainless_steel_ingot,
-			"basic_materials:empty_spool",
-			"basic_materials:empty_spool",
-		},
-	})
-end
-
-if materials.aluminum_ingot then
-	register_craft( {
-		output = "basic_materials:aluminum_wire 2",
-		type = "shapeless",
-		recipe = {
-			materials.aluminum_ingot,
-			"basic_materials:empty_spool",
-			"basic_materials:empty_spool",
-		},
-	})
-end
-
-register_craft( {
+    minetest.register_craft( {
         output = "basic_materials:steel_strip 12",
         recipe = {
-		{"", materials.steel_ingot, ""},
-		{materials.steel_ingot, "", ""},
+            { "", "default:steel_ingot", "" },
+            { "default:steel_ingot", "", "" },
         },
     })
 
-register_craft( {
+    minetest.register_craft( {
         output = "basic_materials:copper_strip 12",
         recipe = {
-		{"", materials.copper_ingot, ""},
-		{materials.copper_ingot, "", ""},
+            { "", "default:copper_ingot", "" },
+            { "default:copper_ingot", "", "" },
         },
     })
 
-register_craft( {
-	output = "basic_materials:gold_strip 12",
-	recipe = {
-		{"", materials.gold_ingot, ""},
-		{materials.gold_ingot, "", ""},
-	},
-})
-
-if materials.lead_ingot then
-	register_craft( {
-		output = "basic_materials:lead_strip 12",
-		recipe = {
-			{"", materials.lead_ingot, ""},
-			{materials.lead_ingot, "", ""},
-		},
-	})
-end
-
-if materials.stainless_steel_ingot then
-	register_craft( {
-		output = "basic_materials:stainless_steel_strip 12",
-		recipe = {
-			{"", materials.stainless_steel_ingot, ""},
-			{materials.stainless_steel_ingot, "", ""},
-		},
-	})
-end
-
-if materials.aluminum_ingot then
-	register_craft( {
-		output = "basic_materials:aluminum_strip 12",
-		recipe = {
-			{"", materials.aluminum_ingot, ""},
-			{materials.aluminum_ingot, "", ""},
-		},
-	})
-end
-
-register_craft( {
+    minetest.register_craft( {
         output = "basic_materials:steel_bar 6",
         recipe = {
-		{"", "", materials.steel_ingot},
-		{"", materials.steel_ingot, ""},
-		{materials.steel_ingot, "", ""},
+            { "", "", "default:steel_ingot" },
+            { "", "default:steel_ingot", "" },
+            { "default:steel_ingot", "", "" },
         },
     })
 
-if materials.carbon_steel_ingot then
-	register_craft( {
-		output = "basic_materials:carbon_steel_bar 6",
-		recipe = {
-			{"", "", materials.carbon_steel_ingot},
-			{"", materials.carbon_steel_ingot, ""},
-			{materials.carbon_steel_ingot, "", ""},
-		},
-	})
-end
-
-if materials.stainless_steel_ingot then
-	register_craft( {
-		output = "basic_materials:stainless_steel_bar 6",
-		recipe = {
-			{"", "", materials.stainless_steel_ingot},
-			{"", materials.stainless_steel_ingot, ""},
-			{materials.stainless_steel_ingot, "", ""},
-		},
-	})
-end
-
-if materials.aluminum_ingot then
-	register_craft( {
-		output = "basic_materials:aluminum_bar 6",
-		recipe = {
-			{"", "", materials.aluminum_ingot},
-			{"", materials.aluminum_ingot, ""},
-			{materials.aluminum_ingot, "", ""},
-		},
-	})
-end
-
-register_craft( {
+    minetest.register_craft( {
         output = "basic_materials:padlock 2",
         recipe = {
             { "basic_materials:steel_bar" },
-		{materials.steel_ingot},
-		{materials.steel_ingot},
+            { "default:steel_ingot" },
+            { "default:steel_ingot" },
         },
     })
 
-register_craft({
+    minetest.register_craft({
         output = "basic_materials:chainlink_steel 12",
         recipe = {
-		{"", materials.steel_ingot, materials.steel_ingot},
-		{materials.steel_ingot, "", materials.steel_ingot},
-		{materials.steel_ingot, materials.steel_ingot, ""},
+            {"", "default:steel_ingot", "default:steel_ingot"},
+            { "default:steel_ingot", "", "default:steel_ingot" },
+            { "default:steel_ingot", "default:steel_ingot", "" },
         },
     })
 
-register_craft( {
+    minetest.register_craft( {
         output = "basic_materials:gear_steel 6",
         recipe = {
-		{"", materials.steel_ingot, ""},
-		{materials.steel_ingot,"basic_materials:chainlink_steel", materials.steel_ingot},
-		{"", materials.steel_ingot, ""}
+            { "", "default:steel_ingot", "" },
+            { "default:steel_ingot","basic_materials:chainlink_steel", "default:steel_ingot" },
+            { "", "default:steel_ingot", "" }
         },
     })
 
-register_craft( {
+    if minetest.get_modpath("bucket") then
+        minetest.register_craft( {
             type = "shapeless",
             output = "basic_materials:terracotta_base 8",
             recipe = {
-		materials.water_bucket,
-		materials.clay_lump,
-		materials.gravel,
+                "bucket:bucket_water",
+                "default:clay_lump",
+                "default:gravel",
             },
-	replacements = {{materials.water_bucket, materials.empty_bucket}},
+            replacements = { {"bucket:bucket_water", "bucket:bucket_empty"}, },
         })
 
-register_craft({
+        if minetest.get_modpath("dye") then
+            minetest.register_craft({
                 type = "shapeless",
                 output = "basic_materials:wet_cement 3",
                 recipe = {
-		materials.dirt,
-		materials.dye_dark_grey,
-		materials.dye_dark_grey,
-		materials.dye_dark_grey,
-		materials.water_bucket
+                    "default:dirt",
+                    "dye:dark_grey",
+                    "dye:dark_grey",
+                    "dye:dark_grey",
+                    "bucket:bucket_water"
+                },
+                replacements = {{'bucket:bucket_water', 'bucket:bucket_empty'},},
+            })
+        end
+    end
+
+    if minetest.get_modpath("mesecons_materials") then
+        minetest.register_craft( {
+            output = "mesecons_materials:silicon 4",
+            recipe = {
+                { "default:sand", "default:sand" },
+                { "default:sand", "default:steel_ingot" },
             },
-	replacements = {{materials.water_bucket, materials.empty_bucket}},
         })
 
-if not have_hades_materials then
-	register_craft( {
-		output = "basic_materials:silicon 4",
+        minetest.register_craft( {
+            output = "basic_materials:ic 4",
             recipe = {
-			{materials.sand, materials.sand},
-			{materials.sand, materials.steel_ingot},
+                { "mesecons_materials:silicon", "mesecons_materials:silicon" },
+                { "mesecons_materials:silicon", "default:copper_ingot" },
             },
         })
     end
 
-register_craft( {
-	output = "basic_materials:ic 4",
-	recipe = {
-		{"basic_materials:silicon", "basic_materials:silicon"},
-		{"basic_materials:silicon", materials.copper_ingot},
-	},
-})
-
+    if not minetest.get_modpath("moreores") then
         -- Without moreores, there still should be a way to create brass.
-register_craft( {
+        minetest.register_craft( {
             output = "basic_materials:brass_ingot 9",
             recipe = {
-		{materials.copper_ingot, materials.tin_ingot, materials.copper_ingot},
-		{materials.gold_ingot, materials.copper_ingot, materials.tin_ingot},
-		{materials.copper_ingot, materials.tin_ingot, materials.copper_ingot},
+            {"default:copper_ingot", "default:tin_ingot", "default:copper_ingot"},
+            {"default:gold_ingot", "default:copper_ingot", "default:gold_ingot"},
+            {"default:copper_ingot", "default:tin_ingot", "default:copper_ingot"},
             },
         })
-
-if materials.silver_ingot then
-	register_craft( {
+    elseif minetest.get_modpath("moreores") then
+        minetest.register_craft( {
             output = "basic_materials:silver_wire 2",
             type = "shapeless",
             recipe = {
-			materials.silver_ingot,
+                "moreores:silver_ingot",
                 "basic_materials:empty_spool",
                 "basic_materials:empty_spool",
             },
         })
 
-	register_craft( {
+        minetest.register_craft( {
             type = "shapeless",
             output = "basic_materials:brass_ingot 3",
             recipe = {
-			materials.copper_ingot,
-			materials.copper_ingot,
-			materials.silver_ingot,
+                "default:copper_ingot",
+                "default:copper_ingot",
+                "moreores:silver_ingot",
             },
         })
     end
+end

locale/basic_materials.uk.tr

@@ -1,48 +0,0 @@
-# textdomain: basic_materials
-
-Basic Materials and items=Базові матеріали та предмети
-Provides a small selection of "basic" materials and items that other mods should use when possible -- things like steel bars and chains, wire, plastic strips and sheets, and more.=Пропонує обмежений набір "основних" матеріалів та виробів, які іншим модам рекомендується використовувати, де це доречно — наприклад, сталеві бруски та ланцюги, дріт, пластикові стрічки та листи, тощо.
-
-Silicon lump=Шмат Кремнію
-Simple Integrated Circuit=Мікросхема
-Simple Motor=Двигун
-Heating element=Нагрівальний елемент
-Simple energy crystal=Енергетичний кристал
-
-Gold Strip=Золота смужка
-Lead Strip=Свинцева смужка
-Aluminum Strip=Алюмінієва смужка
-
-Aluminum Bar=Алюмінієвий брусок
-Spool of aluminum wire=Котушка алюмінієвого дроту
-Carbon Steel Bar=Брусок вуглецевої сталі
-Stainless Steel Bar=Брусок нержавіючої сталі
-Spool of stainless steel wire=Котушка дроту з нержавіючої сталі
-Stainless Steel Strip=Смужка з нержавіючої сталі
-
-Spool of steel wire=Катушка сталевої проволки
-Spool of copper wire=Катушка мідної проволки
-Spool of silver wire=Катушка срібної проволки
-Spool of gold wire=Катушка золотої проволки
-Steel Strip=Сталева стрічка
-Copper Strip=Мідна стрічка
-Steel Bar=Сталевий Прут
-Chainlinks (brass)=Латунний ланцюг
-Chainlinks (steel)=Сталевий ланцюг
-Brass Ingot=Латунний злиток
-Steel gear=Сталева шестерня
-Padlock=Навісний замок
-Chain (steel, hanging)=Ланцюг (сталевий, підвісний)
-Chain (brass, hanging)=Ланцюг (латунь, підвісна)
-Brass Block=Латунний блок
-
-Oil extract=Олійний екстракт
-Unprocessed paraffin=Необроблений парафін
-Uncooked Terracotta Base=Сира теракотова основа
-Wet Cement=Мокрий цемент
-Cement=Цемент
-Concrete Block=Бетонний блок
-
-Plastic sheet=Лист пластику
-Plastic strips=Стрічка пластику
-Empty wire spool=Порожня катушка

mod.conf

@@ -1,4 +1,3 @@
 name = basic_materials
-depends = xcompat
-optional_depends = moreores, default, mesecons_materials, dye, bucket, fl_stone, fl_trees, mcl_sounds, hades_core, hades_sounds, hades_materials, hades_dye, hades_bucket, hades_extraores, hades_mesecons_materials, aloz, rp_crafting, mcl_core, mcl_copper
+optional_depends = moreores, default, mesecons_materials, dye, bucket, fl_stone, fl_trees, mcl_sounds
 min_minetest_version = 5.2.0

nodes.lua

@@ -1,22 +1,39 @@
 local S = minetest.get_translator("basic_materials")
-local sound_api = xcompat.sounds
 local chains_sbox = {type = "fixed",fixed = { -0.1, -0.5, -0.1, 0.1, 0.5, 0.1 }}
 
+local sound_api = loadfile(basic_materials.modpath .. "/sound_api_core/init.lua")
+if not sound_api then
+	sound_api = {}
+	local metatable = {
+		__index = function(_, _)
+			return function(input)
+				minetest.log(
+					"warning",
+					"[basic_materials]: " ..
+					"The sound api submodule for game agnostic sound loading could not be found at " ..
+					basic_materials.modpath .. "/sound_api_core. " ..
+					"documentation for using submodules can be found at https://git-scm.com/docs/git-submodule." ..
+					"defaulting back to mod provided input or nil."
+				)
+				if input then return input else return nil end
+			end
+		end,
+	}
+	setmetatable(sound_api, metatable)
+end
+
 minetest.register_node("basic_materials:cement_block", {
 	description = S("Cement"),
 	tiles = {"basic_materials_cement_block.png"},
-	is_ground_content = false,
-	groups = {cracky=2, dig_stone = 1, pickaxey=5},
-	_mcl_hardness=1.6,
+	is_ground_content = true,
+	groups = {cracky=2, dig_stone = 1},
 	sounds = sound_api.node_sound_stone_defaults(),
 })
 
 minetest.register_node("basic_materials:concrete_block", {
 	description = S("Concrete Block"),
 	tiles = {"basic_materials_concrete_block.png",},
-	is_ground_content = false,
-	groups = {cracky=1, concrete=1, dig_stone = 1, pickaxey=5},
-	_mcl_hardness=1.6,
+	groups = {cracky=1, concrete=1, dig_stone = 1},
 	sounds = sound_api.node_sound_stone_defaults(),
 })
 
@@ -30,9 +47,7 @@ minetest.register_node("basic_materials:chain_steel", {
 	sunlight_propagates = true,
 	paramtype = "light",
 	inventory_image = "basic_materials_chain_steel_inv.png",
-	is_ground_content = false,
-	groups = {cracky=3, dig_stone = 1, pickaxey=5},
-	_mcl_hardness=1.6,
+	groups = {cracky=3, dig_stone = 1},
 	selection_box = chains_sbox,
 })
 
@@ -46,9 +61,7 @@ minetest.register_node("basic_materials:chain_brass", {
 	sunlight_propagates = true,
 	paramtype = "light",
 	inventory_image = "basic_materials_chain_brass_inv.png",
-	is_ground_content = false,
-	groups = {cracky=3, dig_stone = 1, pickaxey=5},
-	_mcl_hardness=1.6,
+	groups = {cracky=3, dig_stone = 1},
 	selection_box = chains_sbox,
 })
 
@@ -56,7 +69,6 @@ minetest.register_node("basic_materials:brass_block", {
 	description = S("Brass Block"),
 	tiles = { "basic_materials_brass_block.png" },
 	is_ground_content = false,
-	groups = {cracky=1, dig_stone = 1, pickaxey=5},
-	_mcl_hardness=1.6,
+	groups = {cracky=1, dig_stone = 1},
 	sounds = sound_api.node_sound_metal_defaults()
 })