move default mod to opt-depends and use screwdriver only if available

chest.lua

@@ -43,7 +43,7 @@ minetest.register_node("scifi_nodes:crate", {
 	groups = {cracky = 1, oddly_breakable_by_hand = 2, fuel = 8},
 	legacy_facedir_simple = true,
 	is_ground_content = false,
-	sounds = default.node_sound_wood_defaults(),
+	sounds = scifi_nodes.node_sound_wood_defaults(),
 
 	after_dig_node = drop_chest_stuff(),
 	on_construct = function(pos)
@@ -82,7 +82,7 @@ minetest.register_node("scifi_nodes:box", {
 	groups = {cracky = 1},
 	legacy_facedir_simple = true,
 	is_ground_content = false,
-	sounds = default.node_sound_metal_defaults(),
+	sounds = scifi_nodes.node_sound_metal_defaults(),
 
 	after_dig_node = drop_chest_stuff(),
 	on_construct = function(pos)

crafts.lua

@@ -1,14 +1,24 @@
 -- CRAFTING RECIPES FOR SCIFI NODES
 
--- 6 basic plastic from 9 homedecor plastic sheet
+if minetest.get_modpath("basic_materials") then
-minetest.register_craft({
+    -- 6 basic plastic from 9 homedecor plastic sheet
-	output = "scifi_nodes:white2 6",
+    minetest.register_craft({
-	recipe = {
+        output = "scifi_nodes:white2 6",
-		{"homedecor:plastic_sheeting", "homedecor:plastic_sheeting", "homedecor:plastic_sheeting"},
+        recipe = {
-		{"homedecor:plastic_sheeting", "homedecor:plastic_sheeting", "homedecor:plastic_sheeting"},
+            {"homedecor:plastic_sheeting", "homedecor:plastic_sheeting", "homedecor:plastic_sheeting"},
-		{"homedecor:plastic_sheeting", "homedecor:plastic_sheeting", "homedecor:plastic_sheeting"}
+            {"homedecor:plastic_sheeting", "homedecor:plastic_sheeting", "homedecor:plastic_sheeting"},
-	}
+            {"homedecor:plastic_sheeting", "homedecor:plastic_sheeting", "homedecor:plastic_sheeting"}
-})
+        }
+    })
+end
+
+if not minetest.get_modpath("default") or not minetest.get_modpath("dye") then
+    -- the default and dye mod are required for most of the recipes
+    -- if either of them is missing (because we are not in the default game)
+    -- then just skip the recipes entirely
+    -- TODO: potentially switch recipes depending on current game
+    return
+end
 
 minetest.register_craft({
 	output = "scifi_nodes:super_white",

digicode.lua

@@ -129,7 +129,7 @@ minetest.register_node("scifi_nodes:digicode_on", {
 		}
 	},
 	on_timer = toggle_digicode,
-	sounds = default.node_sound_glass_defaults(),
+	sounds = scifi_nodes.node_sound_glass_defaults(),
 })
 
 minetest.register_node("scifi_nodes:digicode_off", {
@@ -152,7 +152,7 @@ minetest.register_node("scifi_nodes:digicode_off", {
 	},
 	after_place_node = set_owner,
 	on_rightclick = show_digicode_formspec,
-	sounds = default.node_sound_glass_defaults(),
+	sounds = scifi_nodes.node_sound_glass_defaults(),
 })
 
 minetest.register_craft({

init.lua

@@ -4,13 +4,22 @@ scifi_nodes = {}
 
 local MP = minetest.get_modpath("scifi_nodes")
 
+
+dofile(MP.."/sounds.lua")
+
 if minetest.get_modpath("xpanes") then
 	dofile(MP.."/panes.lua")
 end
 
 dofile(MP.."/common.lua")
-dofile(MP.."/builder.lua")
+
-dofile(MP.."/chest.lua")
+if minetest.get_modpath("default") then
+	-- only load builder and chest if the default mod is available
+	-- the formspecs depend on it
+	dofile(MP.."/builder.lua")
+	dofile(MP.."/chest.lua")
+end
+
 dofile(MP.."/plants.lua")
 dofile(MP.."/nodes.lua")
 dofile(MP.."/doors.lua")

mod.conf

@@ -1,4 +1,15 @@
 name = scifi_nodes
 description = Minetest mod that adds scifi themed blocks, doors, materials, plants and other assets.
-depends = default,dye
+optional_depends = """
-optional_depends = xpanes,mesecons,moreblocks,mesecons_microcontroller,mesecons_button,mesecons_torch,mesecons_receiver,basic_materials,unifieddyes
+default,
+xpanes,
+mesecons,
+moreblocks,
+mesecons_microcontroller,
+mesecons_button,
+mesecons_torch,
+mesecons_receiver,
+basic_materials,
+dye
+unifieddyes
+"""

models.lua

@@ -39,7 +39,7 @@ end
 -- register some blocks in stairsplus if available (part of moreblocks)
 scifi_nodes.register_slope("white2", "Plastic", {"scifi_nodes_white2.png",}, 0)
 scifi_nodes.register_slope("super_white", "Super Plastic", {"scifi_nodes_super_white.png",}, 11)
-scifi_nodes.register_slope("ultra_white", "Super Plastic", {"scifi_nodes_ultra_white.png",}, default.LIGHT_MAX)
+scifi_nodes.register_slope("ultra_white", "Super Plastic", {"scifi_nodes_ultra_white.png",}, minetest.LIGHT_MAX)
 scifi_nodes.register_slope("black", "Black", {"scifi_nodes_black.png",}, 0)
 scifi_nodes.register_slope("white", "White", {"scifi_nodes_white.png",}, 0)
 scifi_nodes.register_slope("grey", "Grey", {"scifi_nodes_grey.png",}, 0)
@@ -54,8 +54,8 @@ scifi_nodes.register_slope("holes", "Holes", {"scifi_nodes_holes.png",}, 0)
 scifi_nodes.register_slope("pipe", "Pipe", {"scifi_nodes_pipe.png",}, 0)
 scifi_nodes.register_slope("stripes", "Stripes", {"scifi_nodes_stripes.png",}, 0)
 scifi_nodes.register_slope("screen", "Screen", {"scifi_nodes_screen3.png",}, 5)
-scifi_nodes.register_slope("lightstripe", "Lightstripe", {"scifi_nodes_lightstripe.png",}, default.LIGHT_MAX)
+scifi_nodes.register_slope("lightstripe", "Lightstripe", {"scifi_nodes_lightstripe.png",}, minetest.LIGHT_MAX)
-scifi_nodes.register_slope("blight2", "Blue Light 2", {"scifi_nodes_capsule3.png",}, default.LIGHT_MAX)
+scifi_nodes.register_slope("blight2", "Blue Light 2", {"scifi_nodes_capsule3.png",}, minetest.LIGHT_MAX)
 scifi_nodes.register_slope("wallpipe", "Alien Pipe", {"scifi_nodes_wallpipe.png",}, 0)
 scifi_nodes.register_slope("alien", "Alien Wall", {"scifi_nodes_alnslp.png",}, 0)
 scifi_nodes.register_slope("purple", "Purple", {"scifi_nodes_purple.png",}, 0)
@@ -74,7 +74,7 @@ node.types = {
 	{"holes",       "metal with holes"},
 	{"white2",      "plastic",},
 	{"super_white",      "Super Plastic", 11},
-	{"ultra_white",      "Ultra Plastic", default.LIGHT_MAX},
+	{"ultra_white",      "Ultra Plastic", minetest.LIGHT_MAX},
 --	{"engine",      "engine",          "engine"},
 	{"wall",      "metal wall"},
 	{"white",      "plastic wall"},
@@ -139,10 +139,10 @@ node.types = {
 --	{"monitorwall",      "Wall monitors",       "monitorwall"},
 	{"screen3",      "Wall monitor"},
 	{"doomlight",      "Doom light",       12},
-	{"bluwllight",      "Blue wall light", default.LIGHT_MAX},
+	{"bluwllight",      "Blue wall light", minetest.LIGHT_MAX},
 	{"bluegrid",      "Blue Grid", 5},
 	{"fan",      "Fan"},
-	{"ppllght",      "Purple wall light", default.LIGHT_MAX},
+	{"ppllght",      "Purple wall light", minetest.LIGHT_MAX},
 	{"pplwll",      "Purple wall"},
 	{"pplwll2",      "Purple wall2"},
 	{"pplwll3",      "Purple wall3"},

nodeboxes.lua

@@ -32,7 +32,7 @@ minetest.register_node("scifi_nodes:alienslope", {
 			{-0.125, 0.375, -0.5, 0.5, 0.5, 0.5}, -- NodeBox17
 		}
 	},
-	sounds = default.node_sound_wood_defaults(),
+	sounds = scifi_nodes.node_sound_wood_defaults(),
 	on_place = minetest.rotate_node
 })
 
@@ -62,7 +62,7 @@ minetest.register_node("scifi_nodes:wallpipe", {
 			{-0.5, -0.125, 0, 0.5, 0, 0.0625}, -- NodeBox24
 		}
 	},
-	sounds = default.node_sound_wood_defaults()
+	sounds = scifi_nodes.node_sound_wood_defaults()
 })
 
 minetest.register_node("scifi_nodes:plant_trap", {
@@ -91,7 +91,7 @@ minetest.register_node("scifi_nodes:plant_trap", {
 			{-0.0625, -0.5, 0.3125, 0, 0.5, 0.375}, -- NodeBox28
 		}
 	},
-	sounds = default.node_sound_wood_defaults(),
+	sounds = scifi_nodes.node_sound_wood_defaults(),
 })
 
 minetest.register_node("scifi_nodes:egg", {
@@ -122,7 +122,7 @@ minetest.register_node("scifi_nodes:egg", {
 			{-0.125, 0.75, -0.125, 0.125, 0.8125, 0.125}, -- NodeBox8
 			{-0.375, -0.3125, -0.4375, 0.375, 0.3125, 0.4375}, -- NodeBox9
 		},
-	sounds = default.node_sound_wood_defaults()
+	sounds = scifi_nodes.node_sound_wood_defaults()
 	}
 })
 
@@ -264,7 +264,7 @@ minetest.register_node("scifi_nodes:pad", {
 			{-0.875, -0.5, -0.8125, 0.8125, -0.375, 0.8125}, -- NodeBox3
 			{-0.8125, -0.5, -0.75, 0.75, -0.3125, 0.75}, -- NodeBox4
 		},
-	sounds = default.node_sound_wood_defaults()
+	sounds = scifi_nodes.node_sound_wood_defaults()
 	}
 })
 
@@ -283,7 +283,7 @@ minetest.register_node("scifi_nodes:pplwndw", {
 	paramtype2 = "facedir",
 	use_texture_alpha = "blend",
 	groups = {cracky=3},
-	sounds = default.node_sound_glass_defaults(),
+	sounds = scifi_nodes.node_sound_glass_defaults(),
 	node_box = {
 		type = "fixed",
 		fixed = {
@@ -304,7 +304,7 @@ minetest.register_node("scifi_nodes:gloshroom", {
 	},
 	drawtype = "nodebox",
 	paramtype = "light",
-	light_source = default.LIGHT_MAX,
+	light_source = minetest.LIGHT_MAX,
 	walkable = false,
 	buildable_to = true,
 	sunlight_propagates = false,
@@ -354,7 +354,7 @@ minetest.register_node("scifi_nodes:pot_lid", {
 			{-0.1875, -0.3125, -0.1875, 0.1875, -0.25, 0.1875}
 		}
 	},
-	sounds = default.node_sound_glass_defaults()
+	sounds = scifi_nodes.node_sound_glass_defaults()
 })
 
 local function toggle_lid(pos, node, player, itemstack)
@@ -407,7 +407,7 @@ minetest.register_node("scifi_nodes:pot", {
 	},
 	on_rightclick = toggle_lid,
 	on_destruct = remove_lid,
-	sounds = default.node_sound_metal_defaults(),
+	sounds = scifi_nodes.node_sound_metal_defaults(),
 })
 
 minetest.register_node("scifi_nodes:pot2", {
@@ -439,7 +439,7 @@ minetest.register_node("scifi_nodes:pot2", {
 	},
 	on_rightclick = toggle_lid,
 	on_destruct = remove_lid,
-	sounds = default.node_sound_metal_defaults(),
+	sounds = scifi_nodes.node_sound_metal_defaults(),
 })
 
 minetest.register_node("scifi_nodes:lightbar", {
@@ -451,7 +451,7 @@ minetest.register_node("scifi_nodes:lightbar", {
 	paramtype = "light",
 	paramtype2 = "wallmounted",
 	sunlight_propagates = true,
-	light_source = default.LIGHT_MAX,
+	light_source = minetest.LIGHT_MAX,
 	node_box = {
 		type = "fixed",
 		fixed = {
@@ -465,7 +465,7 @@ minetest.register_node("scifi_nodes:lightbar", {
 		}
 	},
 	groups = {cracky=1},
-	sounds = default.node_sound_glass_defaults()
+	sounds = scifi_nodes.node_sound_glass_defaults()
 })
 
 minetest.register_node("scifi_nodes:light_dynamic", {
@@ -488,9 +488,9 @@ minetest.register_node("scifi_nodes:light_dynamic", {
 		}
 	},
 	paramtype2 = "wallmounted",
-	light_source = default.LIGHT_MAX,
+	light_source = minetest.LIGHT_MAX,
 	groups = {cracky=1, oddly_breakable_by_hand=1},
-	sounds = default.node_sound_glass_defaults()
+	sounds = scifi_nodes.node_sound_glass_defaults()
 })
 
 minetest.register_node("scifi_nodes:ladder", {
@@ -520,7 +520,7 @@ minetest.register_node("scifi_nodes:ladder", {
 			{0.3125, -0.5, 0.0625, 0.4375, -0.375, 0.1875}, -- NodeBox25
 			{0.3125, -0.5, -0.1875, 0.4375, -0.375, -0.0625}, -- NodeBox26
 		},
-	sounds = default.node_sound_metal_defaults()
+	sounds = scifi_nodes.node_sound_metal_defaults()
 	},
 	paramtype2 = "wallmounted",
 	walkable = false,
@@ -536,7 +536,7 @@ minetest.register_node("scifi_nodes:lightbars", {
 	drawtype = "nodebox",
 	paramtype = "light",
 	use_texture_alpha = "blend",
-	light_source = default.LIGHT_MAX,
+	light_source = minetest.LIGHT_MAX,
 	node_box = {
 		type = "fixed",
 		fixed = {
@@ -547,7 +547,7 @@ minetest.register_node("scifi_nodes:lightbars", {
 		}
 	},
 	groups = {cracky=1},
-	sounds = default.node_sound_glass_defaults()
+	sounds = scifi_nodes.node_sound_glass_defaults()
 })
 
 minetest.register_node("scifi_nodes:liquid_pipe", {
@@ -557,7 +557,7 @@ tiles = {{
 		animation = {type = "vertical_frames", aspect_w = 16, aspect_h = 16, length = 1.00},
 	}},
 	use_texture_alpha = "blend",
-	light_source = default.LIGHT_MAX,
+	light_source = minetest.LIGHT_MAX,
 	drawtype = "nodebox",
 	sunlight_propagates = true,
 	paramtype = "light",
@@ -568,7 +568,7 @@ tiles = {{
 		}
 	},
 	groups = {cracky=1, oddly_breakable_by_hand=1},
-	sounds = default.node_sound_glass_defaults()
+	sounds = scifi_nodes.node_sound_glass_defaults()
 })
 
 minetest.register_node("scifi_nodes:liquid_pipe2", {
@@ -577,7 +577,7 @@ tiles = {
 		"scifi_nodes_orange.png",
 	},
 	use_texture_alpha = "blend",
-	light_source = default.LIGHT_MAX,
+	light_source = minetest.LIGHT_MAX,
 	drawtype = "nodebox",
 	sunlight_propagates = true,
 	paramtype = "light",
@@ -588,7 +588,7 @@ tiles = {
 		}
 	},
 	groups = {cracky=1, oddly_breakable_by_hand=1},
-	sounds = default.node_sound_glass_defaults()
+	sounds = scifi_nodes.node_sound_glass_defaults()
 })
 
 minetest.register_node("scifi_nodes:powered_stand", {
@@ -655,7 +655,7 @@ minetest.register_node("scifi_nodes:cover", {
 			{-0.3125, -0.375, -0.3125, 0.3125, -0.3125, 0.3125}, -- NodeBox6
 		}
 	},
-	sounds = default.node_sound_wood_defaults(),
+	sounds = scifi_nodes.node_sound_wood_defaults(),
 	groups = {cracky=1, oddly_breakable_by_hand=1}
 })
 
@@ -760,7 +760,7 @@ minetest.register_node("scifi_nodes:table", {
 			{-0.0625, 0.25, -0.125, 0.0625, 0.4375, -0.0625}, -- NodeBox7
 		}
 	},
-	sounds = default.node_sound_metal_defaults(),
+	sounds = scifi_nodes.node_sound_metal_defaults(),
 	groups = {cracky=1}
 })
 
@@ -876,7 +876,7 @@ minetest.register_node("scifi_nodes:windowcorner", {
 	},
 	groups = {cracky=1},
 	on_place = minetest.rotate_node,
-	sounds = default.node_sound_glass_defaults(),
+	sounds = scifi_nodes.node_sound_glass_defaults(),
 })
 
 minetest.register_node("scifi_nodes:windowstraight", {
@@ -903,7 +903,7 @@ minetest.register_node("scifi_nodes:windowstraight", {
 	},
 	groups = {cracky=1},
 	on_place = minetest.rotate_node,
-	sounds = default.node_sound_glass_defaults(),
+	sounds = scifi_nodes.node_sound_glass_defaults(),
 })
 
 minetest.register_node("scifi_nodes:windowcorner2", {
@@ -934,7 +934,7 @@ minetest.register_node("scifi_nodes:windowcorner2", {
 	},
 	groups = {cracky=1},
 	on_place = minetest.rotate_node,
-	sounds = default.node_sound_glass_defaults(),
+	sounds = scifi_nodes.node_sound_glass_defaults(),
 })
 
 minetest.register_node("scifi_nodes:windowstraight2", {
@@ -961,7 +961,7 @@ minetest.register_node("scifi_nodes:windowstraight2", {
 	},
 	groups = {cracky=1},
 	on_place = minetest.rotate_node,
-	sounds = default.node_sound_glass_defaults(),
+	sounds = scifi_nodes.node_sound_glass_defaults(),
 })
 
 
@@ -990,7 +990,7 @@ minetest.register_node("scifi_nodes:capsule", {
 		}
 	},
 	groups = {cracky=1, oddly_breakable_by_hand=1},
-	sounds = default.node_sound_glass_defaults(),
+	sounds = scifi_nodes.node_sound_glass_defaults(),
 	on_rightclick = function(pos, node, clicker, item, _)
 			minetest.set_node(pos, {name="scifi_nodes:capsule2", param2=node.param2})
 	end,
@@ -1020,7 +1020,7 @@ minetest.register_node("scifi_nodes:capsule3", {
 		}
 	},
 	groups = {cracky=1, oddly_breakable_by_hand=1, not_in_creative_inventory=1},
-	sounds = default.node_sound_glass_defaults(),
+	sounds = scifi_nodes.node_sound_glass_defaults(),
 	on_rightclick = function(pos, node, clicker, item, _)
 			minetest.set_node(pos, {name="scifi_nodes:capsule", param2=node.param2})
 	end,
@@ -1050,7 +1050,7 @@ minetest.register_node("scifi_nodes:capsule2", {
 		}
 	},
 	groups = {cracky=1, oddly_breakable_by_hand=1, not_in_creative_inventory=1},
-	sounds = default.node_sound_glass_defaults(),
+	sounds = scifi_nodes.node_sound_glass_defaults(),
 	on_rightclick = function(pos, node, clicker, item, _)
 			minetest.set_node(pos, {name="scifi_nodes:capsule3", param2=node.param2})
 	end,
@@ -1080,7 +1080,7 @@ minetest.register_node("scifi_nodes:itemholder", {
 		}
 	},
 	groups = {cracky=1},
-	on_rotate = screwdriver.disallow,
+	on_rotate = minetest.get_modpath("screwdriver") and screwdriver.disallow,
 	after_place_node = function(pos, placer, itemstack)
 		local meta = minetest.get_meta(pos)
 		meta:set_string("owner",placer:get_player_name())
@@ -1128,7 +1128,7 @@ minetest.register_node("scifi_nodes:glassscreen", {
 	drawtype = "nodebox",
 	paramtype = "light",
 	paramtype2 = "facedir",
-	light_source = default.LIGHT_MAX,
+	light_source = minetest.LIGHT_MAX,
 	sunlight_propagates = true,
 	node_box = {
 		type = "fixed",
@@ -1138,7 +1138,7 @@ minetest.register_node("scifi_nodes:glassscreen", {
 		}
 	},
 	groups = {cracky=1, oddly_breakable_by_hand=1},
-	sounds = default.node_sound_glass_defaults(),
+	sounds = scifi_nodes.node_sound_glass_defaults(),
 })
 
 
@@ -1221,5 +1221,5 @@ minetest.register_node("scifi_nodes:windowpanel", {
     },
     groups = {cracky=1},
     on_place = minetest.rotate_node,
-    sounds = default.node_sound_glass_defaults(),
+    sounds = scifi_nodes.node_sound_glass_defaults(),
 })

nodes.lua

@@ -35,7 +35,7 @@ minetest.register_node("scifi_nodes:rfloor", {
 	paramtype2 = "facedir",
 	light_source = 10,
 	groups = {cracky=1},
-	sounds = default.node_sound_metal_defaults()
+	sounds = scifi_nodes.node_sound_metal_defaults()
 })
 
 minetest.register_node("scifi_nodes:bfloor", {
@@ -47,7 +47,7 @@ minetest.register_node("scifi_nodes:bfloor", {
 	paramtype2 = "facedir",
 	light_source = 10,
 	groups = {cracky=1},
-	sounds = default.node_sound_metal_defaults()
+	sounds = scifi_nodes.node_sound_metal_defaults()
 })
 
 
@@ -64,7 +64,7 @@ minetest.register_node("scifi_nodes:stripes2", {
 	},
 	paramtype = "light",
 	groups = {cracky=1},
-	sounds = default.node_sound_metal_defaults()
+	sounds = scifi_nodes.node_sound_metal_defaults()
 })
 
 minetest.register_node("scifi_nodes:gblock", {
@@ -80,7 +80,7 @@ minetest.register_node("scifi_nodes:gblock", {
 	},
 	paramtype = "light",
 	groups = {cracky=1};
-	sounds = default.node_sound_metal_defaults()
+	sounds = scifi_nodes.node_sound_metal_defaults()
 })
 
 minetest.register_node("scifi_nodes:gblock2", {
@@ -97,7 +97,7 @@ minetest.register_node("scifi_nodes:gblock2", {
 	paramtype = "light",
 	paramtype2 = "facedir",
 	groups = {cracky=1},
-	sounds = default.node_sound_metal_defaults()
+	sounds = scifi_nodes.node_sound_metal_defaults()
 })
 
 minetest.register_node("scifi_nodes:gblock3", {
@@ -114,7 +114,7 @@ minetest.register_node("scifi_nodes:gblock3", {
 	paramtype = "light",
 	paramtype2 = "facedir",
 	groups = {cracky=1},
-	sounds = default.node_sound_metal_defaults()
+	sounds = scifi_nodes.node_sound_metal_defaults()
 })
 
 
@@ -133,7 +133,7 @@ minetest.register_node("scifi_nodes:green_light", {
 	light_source = 10,
 	paramtype = "light",
 	groups = {cracky=1},
-	sounds = default.node_sound_glass_defaults()
+	sounds = scifi_nodes.node_sound_glass_defaults()
 })
 
 minetest.register_node("scifi_nodes:red_light", {
@@ -150,7 +150,7 @@ minetest.register_node("scifi_nodes:red_light", {
 	light_source = 10,
 	paramtype = "light",
 	groups = {cracky=1},
-	sounds = default.node_sound_glass_defaults()
+	sounds = scifi_nodes.node_sound_glass_defaults()
 })
 
 minetest.register_node("scifi_nodes:discs", {
@@ -166,7 +166,7 @@ minetest.register_node("scifi_nodes:discs", {
 	},
 	paramtype = "light",
 	groups = {cracky=1},
-	sounds = default.node_sound_glass_defaults()
+	sounds = scifi_nodes.node_sound_glass_defaults()
 })
 
 minetest.register_node("scifi_nodes:disc", {
@@ -196,7 +196,7 @@ minetest.register_node("scifi_nodes:greenbar_animated", {
 	paramtype2 = "facedir",
 	groups = {cracky=1},
 	light_source = 10,
-	sounds = default.node_sound_glass_defaults(),
+	sounds = scifi_nodes.node_sound_glass_defaults(),
 	on_place = minetest.rotate_node
 })
 
@@ -210,7 +210,7 @@ minetest.register_node("scifi_nodes:blink", {
 	paramtype = "light",
 	groups = {cracky=1},
 	light_source = 5,
-	sounds = default.node_sound_glass_defaults()
+	sounds = scifi_nodes.node_sound_glass_defaults()
 })
 
 minetest.register_node("scifi_nodes:black_lights", {
@@ -222,7 +222,7 @@ minetest.register_node("scifi_nodes:black_lights", {
 	}},
 	paramtype = "light",
 	groups = {cracky=1},
-	sounds = default.node_sound_glass_defaults()
+	sounds = scifi_nodes.node_sound_glass_defaults()
 })
 
 minetest.register_node("scifi_nodes:black_screen", {
@@ -235,7 +235,7 @@ minetest.register_node("scifi_nodes:black_screen", {
 	paramtype = "light",
 	groups = {cracky=1},
 	light_source = 1,
-	sounds = default.node_sound_stone_defaults()
+	sounds = scifi_nodes.node_sound_stone_defaults()
 })
 
 minetest.register_node("scifi_nodes:screen", {
@@ -248,7 +248,7 @@ minetest.register_node("scifi_nodes:screen", {
 	paramtype = "light",
 	groups = {cracky=1},
 	light_source = 5,
-	sounds = default.node_sound_glass_defaults()
+	sounds = scifi_nodes.node_sound_glass_defaults()
 })
 
 minetest.register_node("scifi_nodes:screen2", {
@@ -261,7 +261,7 @@ minetest.register_node("scifi_nodes:screen2", {
 	paramtype = "light",
 	groups = {cracky=1},
 	light_source = 5,
-	sounds = default.node_sound_glass_defaults()
+	sounds = scifi_nodes.node_sound_glass_defaults()
 })
 
 
@@ -280,7 +280,7 @@ minetest.register_node("scifi_nodes:white_pad", {
 	paramtype = "light",
 	paramtype2 = "facedir",
 	groups = {cracky=1},
-	sounds = default.node_sound_glass_defaults()
+	sounds = scifi_nodes.node_sound_glass_defaults()
 })
 
 minetest.register_node("scifi_nodes:white_base", {
@@ -297,7 +297,7 @@ minetest.register_node("scifi_nodes:white_base", {
 	paramtype = "light",
 	paramtype2 = "facedir",
 	groups = {cracky=1},
-	sounds = default.node_sound_glass_defaults()
+	sounds = scifi_nodes.node_sound_glass_defaults()
 })
 
 minetest.register_node("scifi_nodes:grnpipe", {
@@ -314,7 +314,7 @@ minetest.register_node("scifi_nodes:grnpipe", {
 	paramtype = "light",
 	paramtype2 = "facedir",
 	groups = {cracky=1},
-	sounds = default.node_sound_metal_defaults(),
+	sounds = scifi_nodes.node_sound_metal_defaults(),
 	on_place = minetest.rotate_node
 })
 
@@ -333,7 +333,7 @@ minetest.register_node("scifi_nodes:grnpipe2", {
 	paramtype = "light",
 	paramtype2 = "facedir",
 	groups = {cracky=1},
-	sounds = default.node_sound_metal_defaults(),
+	sounds = scifi_nodes.node_sound_metal_defaults(),
 	on_place = minetest.rotate_node
 })
 
@@ -349,7 +349,7 @@ minetest.register_node("scifi_nodes:octrng", {
 	use_texture_alpha = "blend",
 	light_source = 10,
 	groups = {cracky=2},
-	sounds = default.node_sound_glass_defaults(),
+	sounds = scifi_nodes.node_sound_glass_defaults(),
 })
 
 minetest.register_node("scifi_nodes:octgrn", {
@@ -364,7 +364,7 @@ minetest.register_node("scifi_nodes:octgrn", {
 	use_texture_alpha = "blend",
 	light_source = 10,
 	groups = {cracky=2},
-	sounds = default.node_sound_glass_defaults(),
+	sounds = scifi_nodes.node_sound_glass_defaults(),
 })
 
 minetest.register_node("scifi_nodes:octbl", {
@@ -379,7 +379,7 @@ minetest.register_node("scifi_nodes:octbl", {
 	use_texture_alpha = "blend",
 	light_source = 10,
 	groups = {cracky=2},
-	sounds = default.node_sound_glass_defaults(),
+	sounds = scifi_nodes.node_sound_glass_defaults(),
 })
 
 minetest.register_node("scifi_nodes:octppl", {
@@ -394,7 +394,7 @@ minetest.register_node("scifi_nodes:octppl", {
 	use_texture_alpha = "blend",
 	light_source = 10,
 	groups = {cracky=2},
-	sounds = default.node_sound_glass_defaults(),
+	sounds = scifi_nodes.node_sound_glass_defaults(),
 })
 
 minetest.register_node("scifi_nodes:tower", {
@@ -409,7 +409,7 @@ minetest.register_node("scifi_nodes:tower", {
 	inventory_image = "scifi_nodes_tower.png",
 	paramtype = "light",
 	groups = {cracky=2},
-	sounds = default.node_sound_metal_defaults()
+	sounds = scifi_nodes.node_sound_metal_defaults()
 })
 
 minetest.register_node("scifi_nodes:junk", {
@@ -444,7 +444,7 @@ minetest.register_node("scifi_nodes:blumetlight", {
 	light_source = 10,
 	paramtype = "light",
 	groups = {cracky=1},
-	sounds = default.node_sound_glass_defaults()
+	sounds = scifi_nodes.node_sound_glass_defaults()
 })
 
 
@@ -454,10 +454,10 @@ minetest.register_node("scifi_nodes:lightstp", {
 	tiles = {
 		"scifi_nodes_lightstripe.png"
 	},
-	light_source = default.LIGHT_MAX,
+	light_source = minetest.LIGHT_MAX,
 	paramtype = "light",
 	groups = {cracky=1},
-	sounds = default.node_sound_glass_defaults()
+	sounds = scifi_nodes.node_sound_glass_defaults()
 })
 
 minetest.register_node("scifi_nodes:blklt2", {
@@ -469,7 +469,7 @@ minetest.register_node("scifi_nodes:blklt2", {
 	light_source = 10,
 	paramtype = "light",
 	groups = {cracky=1},
-	sounds = default.node_sound_glass_defaults()
+	sounds = scifi_nodes.node_sound_glass_defaults()
 })
 
 minetest.register_node("scifi_nodes:blumetstr", {
@@ -481,7 +481,7 @@ minetest.register_node("scifi_nodes:blumetstr", {
 	light_source = 10,
 	paramtype = "light",
 	groups = {cracky=1},
-	sounds = default.node_sound_glass_defaults()
+	sounds = scifi_nodes.node_sound_glass_defaults()
 })
 
 minetest.register_node("scifi_nodes:glass", {
@@ -494,7 +494,7 @@ minetest.register_node("scifi_nodes:glass", {
 	use_texture_alpha = "blend",
 	paramtype = "light",
 	groups = {cracky=1},
-	sounds = default.node_sound_glass_defaults()
+	sounds = scifi_nodes.node_sound_glass_defaults()
 })
 
 minetest.register_node("scifi_nodes:whtlightbnd", {
@@ -506,7 +506,7 @@ minetest.register_node("scifi_nodes:whtlightbnd", {
 	light_source = 10,
 	paramtype = "light",
 	groups = {cracky=1},
-	sounds = default.node_sound_glass_defaults()
+	sounds = scifi_nodes.node_sound_glass_defaults()
 })
 
 --edited wool code (Copyright (C) 2012 celeron55, Perttu Ahola <celeron55@gmail.com>)
@@ -522,7 +522,7 @@ local nodetypes = {
 	{"holes",       "metal with holes","holes"},
 	{"white2",      "plastic",         "white2", 0, true},
     {"super_white",      "Super Plastic",         "super_white", 11},
-    {"ultra_white",      "Ultra Plastic",         "ultra_white", default.LIGHT_MAX},
+    {"ultra_white",      "Ultra Plastic",         "ultra_white", minetest.LIGHT_MAX},
 	{"engine",      "engine",          "engine"},
 	{"wall",      "metal wall",        "wall"},
 	{"white",      "plastic wall",     "white", 0, true},
@@ -587,10 +587,10 @@ local nodetypes = {
 	{"monitorwall",      "Wall monitors",       "monitorwall"},
 	{"screen3",      "Wall monitor",       "screen3"},
 	{"doomlight",      "Doom light",       "doomlight", 12},
-	{"bluwllight",      "Blue wall light", "capsule3", default.LIGHT_MAX},
+	{"bluwllight",      "Blue wall light", "capsule3", minetest.LIGHT_MAX},
 	{"bluegrid",      "Blue Grid", "bluegrid", 5},
 	{"fan",      "Fan",       "fan"},
-	{"ppllght",      "Purple wall light", "", default.LIGHT_MAX},
+	{"ppllght",      "Purple wall light", "", minetest.LIGHT_MAX},
 	{"pplwll",      "Purple wall", "", 0},
 	{"pplwll2",      "Purple wall2", "", 0},
 	{"pplwll3",      "Purple wall3", "", 0},
@@ -619,7 +619,7 @@ for _, row in ipairs(nodetypes) do
 		paramtype = "light",
 		paramtype2 = "facedir",
 		light_source = light,
-		sounds = default.node_sound_glass_defaults()
+		sounds = scifi_nodes.node_sound_glass_defaults()
 	}
 
 	if is_colorable and has_unifieddyes_mod then
@@ -646,7 +646,7 @@ for _, row in ipairs(nodetypes) do
 			paramtype = "light",
 			paramtype2 = "color",
 			light_source = light,
-			sounds = default.node_sound_glass_defaults(),
+			sounds = scifi_nodes.node_sound_glass_defaults(),
 			on_construct = unifieddyes.on_construct,
 			on_dig = unifieddyes.on_dig
 		})

octagon_panes.lua

@@ -27,7 +27,7 @@ local function register(basename, description, texture)
     },
     groups = {cracky = 3, oddly_breakable_by_hand = 3},
     use_texture_alpha = "blend",
-    sounds = default.node_sound_glass_defaults()
+    sounds = scifi_nodes.node_sound_glass_defaults()
   })
 
   -- double height
@@ -52,7 +52,7 @@ local function register(basename, description, texture)
     },
     groups = {cracky = 3, oddly_breakable_by_hand = 3},
     use_texture_alpha = "blend",
-    sounds = default.node_sound_glass_defaults()
+    sounds = scifi_nodes.node_sound_glass_defaults()
   })
 
   -- single height with offset
@@ -77,7 +77,7 @@ local function register(basename, description, texture)
     },
     groups = {cracky = 3, oddly_breakable_by_hand = 3},
     use_texture_alpha = "blend",
-    sounds = default.node_sound_glass_defaults()
+    sounds = scifi_nodes.node_sound_glass_defaults()
   })
 
   -- register recipes

palm_scanner.lua

@@ -65,7 +65,7 @@ minetest.register_node("scifi_nodes:palm_scanner_off", {
 		}
 	},
 	on_rightclick = (has_mesecons and activate_palm_scanner),
-	sounds = default.node_sound_glass_defaults(),
+	sounds = scifi_nodes.node_sound_glass_defaults(),
 })
 
 minetest.register_node("scifi_nodes:palm_scanner_checking", {
@@ -83,7 +83,7 @@ minetest.register_node("scifi_nodes:palm_scanner_checking", {
 	paramtype2 = "wallmounted",
 	groups = {cracky=1, oddly_breakable_by_hand=1, not_in_creative_inventory=1, mesecon_needs_receiver = 1},
 	drop = "scifi_nodes:palm_scanner_off",
-	sounds = default.node_sound_glass_defaults()
+	sounds = scifi_nodes.node_sound_glass_defaults()
 })
 
 minetest.register_node("scifi_nodes:palm_scanner_on", {
@@ -106,7 +106,7 @@ minetest.register_node("scifi_nodes:palm_scanner_on", {
 			state = (has_mesecons and mesecon.state.on)
 		}
 	},
-	sounds = default.node_sound_glass_defaults(),
+	sounds = scifi_nodes.node_sound_glass_defaults(),
 })
 
 minetest.register_craft({

plants.lua

@@ -1,11 +1,11 @@
 
 local plants = {
-	{"flower1", "Glow Flower", 1,0, default.LIGHT_MAX},
+	{"flower1", "Glow Flower", 1,0, minetest.LIGHT_MAX},
 	{"flower2", "Pink Flower", 1.5,0, 10},
 	{"flower3", "Triffid", 2,5, 0},
 	{"flower4", "Weeping flower", 1.5,0, 0},
 	{"plant1", "Bulb Plant", 1,0, 0},
-	{"plant2", "Trap Plant", 1.5,0, default.LIGHT_MAX},
+	{"plant2", "Trap Plant", 1.5,0, minetest.LIGHT_MAX},
 	{"plant3", "Blue Jelly Plant", 1.2,0, 10},
 	{"plant4", "Green Jelly Plant", 1.2,0, 10},
 	{"plant5", "Fern Plant", 1.7,0, 0},

protected_switch.lua

@@ -51,7 +51,7 @@ minetest.register_node("scifi_nodes:protected_switch_on", {
 			state = (has_mesecons and mesecon.state.on)
 		}
 	},
-	sounds = default.node_sound_glass_defaults(),
+	sounds = scifi_nodes.node_sound_glass_defaults(),
 	on_rightclick = (has_mesecons and toggle_switch),
 	on_timer = (has_mesecons and toggle_switch)
 })
@@ -78,7 +78,7 @@ minetest.register_node("scifi_nodes:protected_switch_off", {
 			state = (has_mesecons and mesecon.state.off)
 		}
 	},
-	sounds = default.node_sound_glass_defaults(),
+	sounds = scifi_nodes.node_sound_glass_defaults(),
 	on_rightclick = (has_mesecons and toggle_switch)
 })
 

sounds.lua

@@ -0,0 +1,29 @@
+-- sound definitions
+
+function scifi_nodes.node_sound_wood_defaults()
+    if minetest.get_modpath("default") then
+        -- default game
+        return default.node_sound_wood_defaults()
+    end
+end
+
+function scifi_nodes.node_sound_glass_defaults()
+    if minetest.get_modpath("default") then
+        -- default game
+        return default.node_sound_glass_defaults()
+    end
+end
+
+function scifi_nodes.node_sound_metal_defaults()
+    if minetest.get_modpath("default") then
+        -- default game
+        return default.node_sound_metal_defaults()
+    end
+end
+
+function scifi_nodes.node_sound_stone_defaults()
+    if minetest.get_modpath("default") then
+        -- default game
+        return default.node_sound_stone_defaults()
+    end
+end

switch.lua

@@ -44,7 +44,7 @@ minetest.register_node("scifi_nodes:switch_on", {
 			state = (has_mesecons and mesecon.state.on)
 		}
 	},
-	sounds = default.node_sound_glass_defaults(),
+	sounds = scifi_nodes.node_sound_glass_defaults(),
 	on_rightclick = (has_mesecons and toggle_switch),
 	on_timer = (has_mesecons and toggle_switch)
 })
@@ -71,7 +71,7 @@ minetest.register_node("scifi_nodes:switch_off", {
 			state = (has_mesecons and mesecon.state.off)
 		}
 	},
-	sounds = default.node_sound_glass_defaults(),
+	sounds = scifi_nodes.node_sound_glass_defaults(),
 	on_rightclick = (has_mesecons and toggle_switch)
 })