added nil check and ethereal fiery grass deco

1 files changed, 9 insertions, 8 deletions

diff --git a/init.lua b/init.lua
index 429f9f1..657bc16 100644
--- a/init.lua
+++ b/init.lua
@@ -226,27 +226,28 @@ local function check_soil(pos, nodename)
 

 		-- do we have a grass match?

 		if nodename == deco[n][1] then

-			grass = deco[n][2]

-			decor = deco[n][3]

+			grass = deco[n][2] or {}

+			decor = deco[n][3] or {}

 		end

 	end

 

+	local pos2, nod

+

 	-- loop through soil

 	for _,n in pairs(dirt) do

 

-		local pos2 = n

+		pos2 = n

 

 		pos2.y = pos2.y + 1

 

 		-- place random decoration (rare)

 		if math.random(1, 5) == 5 then

-

-			minetest.swap_node(pos2,

-				{name = decor[math.random(1, #decor)]})

+			nod = decor[math.random(1, #decor)] or "air"

+			minetest.swap_node(pos2, {name = nod})

 		else

 			-- place random grass (common)

-			minetest.swap_node(pos2,

-				{name = grass[math.random(1, #grass)]})

+			nod = grass[math.random(1, #grass)] or "air"

+			minetest.swap_node(pos2, {name = nod})

 		end

 

 		particle_effect(pos2)