light staff works on all nodes with {stone=1} group

biomes.lua

@@ -32,9 +32,6 @@ local add_biome = function(a, l, m, n, o, p, b, c, d, e, f, g)
 	})
 end
 
--- add_biome(name, y_min, y_max, heat, humidity, biome enabled,
---       dust node, top node, depth, filler node, depth, stone node)
-
 
 -- always registered biomes
 add_biome("mountain", 140, 31000, 50, 50, 1,

decor.lua

@@ -700,7 +700,7 @@ end
 
 local random = math.random
 
--- Generate Illumishroom in caves next to coal
+-- Generate Illumishroom in caves on top of coal
 minetest.register_on_generated(function(minp, maxp)
 
 	if minp.y > -30 or maxp.y < -3000 then
@@ -713,9 +713,9 @@ minetest.register_on_generated(function(minp, maxp)
 
 	for n = 1, #coal do
 
-		if random(1, 2) == 1 then
+		if random(2) == 1 then
 
-			bpos = {x = coal[n].x, y = coal[n].y + 1, z = coal[n].z }
+			bpos = {x = coal[n].x, y = coal[n].y + 1, z = coal[n].z}
 
 			if bpos.y > -3000 and bpos.y < -2000 then
 				minetest.swap_node(bpos, {name = "ethereal:illumishroom3"})

extra.lua

@@ -326,9 +326,10 @@ minetest.register_tool("ethereal:light_staff", {
 		end
 
 		local node = minetest.get_node(pos).name
+		local def = minetest.registered_nodes[node]
+		local stone = def and def.groups and def.groups.stone
 
-		if node == "default:stone"
-		or node == "default:desert_stone" then
+		if stone then
 
 			minetest.swap_node(pos, {name = "ethereal:glostone"})
 

lucky_block.lua

@@ -55,7 +55,7 @@ lucky_block:add_blocks({
 	{"exp", 4},
 	{"dro", {"ethereal:crystal_gilly_staff"}},
 	{"dro", {"ethereal:light_staff"}},
-    {"nod", "default:chest", 0, {
+	{"nod", "default:chest", 0, {
 		{name = "ethereal:birch_sapling", max = 10},
 		{name = "ethereal:palm_sapling", max = 10},
 		{name = "ethereal:orange_tree_sapling", max = 10},
@@ -63,9 +63,9 @@ lucky_block:add_blocks({
 		{name = "ethereal:bamboo_sprout", max = 10},
 		{name = "ethereal:banana_tree_sapling", max = 10},
 		{name = "ethereal:mushroom_sapling", max = 10},
-        {name = "ethereal:frost_tree_sapling", max = 10},
-        {name = "ethereal:sakura_sapling", max = 10},
-        {name = "ethereal:willow_sapling", max = 10},
+		{name = "ethereal:frost_tree_sapling", max = 10},
+		{name = "ethereal:sakura_sapling", max = 10},
+		{name = "ethereal:willow_sapling", max = 10},
 	}},
 })
 

schems.lua

@@ -48,8 +48,6 @@ local add_schem = function(a, b, c, d, e, f, g, h, i, j, k)
 	})
 end
 
--- add_schem(place on, ratio, biomes, y_min, y_max, schem, biome enabled,
---       replace, spawn_by, num_spawn_by, rotation)
 
 -- igloo
 add_schem("default:snowblock", 0.0005, {"glacier"}, 3, 50,