added double stone check for ceilings

crafting.lua

@@ -100,7 +100,7 @@ if minetest.get_modpath("ethereal") then
 		recipe = {
 			{"","","default:steel_ingot"},
 			{"", "default:steel_ingot", "caverealms:mushroom_gills"},
-			{"default:steel_ingot", "", "caverealms:mushroom_gills"},
+			{"default:steel_ingot", "", "caverealms:mushroom_gills"}
 		}
 	})
 

functions.lua

@@ -398,7 +398,6 @@ function caverealms:salt_stalagmite(x, y, z, area, data, biome)
 	for j = 2, scale + 2 do --y
 		for k = -2, scale - 2 do
 			for l = -2, scale - 2 do
-
 				vi = area:index(x + k, y + j, z + l)
 				data[vi] = c_salt -- make cube
 			end

init.lua

@@ -134,7 +134,7 @@ minetest.register_on_generated(function(minp, maxp, seed)
 	local nixz = 1 --2D node index
 	local nixyz2 = 1 --second 3D index for second loop
 
-	local vi, ai, bi, bbi, bbbi, c_selected_worm, is_deep
+	local vi, ai, aii, bi, bbi, bbbi, c_selected_worm, is_deep
 	local biome, n_biome, gems, gidx, spikes, sidx
 
 	for z = z0, z1 do -- for each xy plane progressing northwards
@@ -142,13 +142,13 @@ minetest.register_on_generated(function(minp, maxp, seed)
 		--increment indices
 		nixyz = nixyz + 1
 
-
 		--decoration loop
 		for y = y0, y1 do -- for each x row progressing upwards
 
 			c_selected_worm = c_worm
 
 			is_deep = false
+
 			if y < DEEP_CAVE then
 				is_deep = true
 			end
@@ -212,8 +212,10 @@ minetest.register_on_generated(function(minp, maxp, seed)
 
 					--ceiling
 					ai = area:index(x, y + 1, z) --above index
+					aii = area:index(x, y + 2, z) --above above index
 
-					if data[ai] == c_stone and data[vi] == c_air then --ceiling
+					if data[aii] == c_stone
+					and data[ai] == c_stone and data[vi] == c_air then --ceiling
 
 						if random() < ICICHA and (biome == 4 or biome == 5) then
 							data[vi] = c_icid
@@ -279,9 +281,11 @@ minetest.register_on_generated(function(minp, maxp, seed)
 							end
 
 						elseif biome == 3 then
+
 							data[vi] = c_algae
 
 						elseif biome == 4 then
+
 							data[vi] = c_thinice
 							bi = area:index(x, y - 1, z)
 							data[bi] = c_thinice
@@ -291,6 +295,7 @@ minetest.register_on_generated(function(minp, maxp, seed)
 							end
 
 						elseif biome == 5 then
+
 							data[vi] = c_ice
 							bi = area:index(x, y - 1, z)
 							data[bi] = c_ice
@@ -300,12 +305,15 @@ minetest.register_on_generated(function(minp, maxp, seed)
 							end
 
 						elseif biome == 6 then
+
 							data[vi] = c_hcobble
+
 							if random() < FLACHA then --neverending flames
 								data[ai] = c_flame
 							end
 
 						elseif biome == 7 then
+
 							bi = area:index(x, y - 1, z)
 							data[vi] = c_salt
 							data[bi] = c_salt
@@ -319,6 +327,7 @@ minetest.register_on_generated(function(minp, maxp, seed)
 							end
 
 						elseif biome == 8 then
+
 							bi = area:index(x, y - 1, z)
 
 							if random() < 0.5 then
@@ -334,6 +343,7 @@ minetest.register_on_generated(function(minp, maxp, seed)
 							end
 
 						elseif biome == 9 then
+
 							bi = area:index(x, y - 1, z)
 
 							if random() < 0.05 then

nodes.lua

@@ -222,7 +222,7 @@ minetest.register_node("caverealms:icicle_up", {
 	selection_box = {
 		type = "fixed",
 		fixed = {-0.5, -0.5, -0.5, 0.5, -7/16, 0.5}
-	},
+	}
 })
 
 --downward pointing icicle
@@ -244,7 +244,7 @@ minetest.register_node("caverealms:icicle_down", {
 	selection_box = {
 		type = "fixed",
 		fixed = {-0.5, 7/16, -0.5, 0.5, 0.5, 0.5}
-	},
+	}
 })
 
 --cave mossy cobble - bluish?
@@ -467,7 +467,7 @@ else
 		drawtype = "plantlike",
 		tiles = {{
 			name = "fire_basic_flame_animated.png",
-			animation = {type = "vertical_frames", aspect_w = 16, aspect_h = 16, length = 1},
+			animation = {type = "vertical_frames", aspect_w = 16, aspect_h = 16, length = 1}
 		}},
 		inventory_image = "fire_basic_flame.png",
 		light_source = 14,

plants.lua

@@ -111,8 +111,7 @@ local add_tree = function (pos, ofx, ofy, ofz, schem)
 	-- remove sapling and place schematic
 	minetest.swap_node(pos, {name = "air"})
 	minetest.place_schematic(
-		{x = pos.x - ofx, y = pos.y - ofy, z = pos.z - ofz},
-		schem, 0, nil, false)
+		{x = pos.x - ofx, y = pos.y - ofy, z = pos.z - ofz}, schem, 0, nil, false)
 end
 
 
@@ -188,7 +187,7 @@ minetest.register_abm({
 	nodenames = {
 		"caverealms:stone_with_moss",
 		"caverealms:stone_with_lichen",
-		"caverealms:stone_with_algae",
+		"caverealms:stone_with_algae"
 	},
 	neighbors = {"air"},
 	interval = 16,