update mod.conf, fix nil bug

arrows/dragonfire.lua

@@ -43,24 +43,23 @@ minetest.register_entity(fname, {
 							end
 						end
 					end
-		local apos = self.object:get_pos()
-		local part = minetest.add_particlespawner(
-			6, --amount
-			0.3, --time
-			{x=apos.x-variance, y=apos.y-variance, z=apos.z-variance}, --minpos
-			{x=apos.x+variance, y=apos.y+variance, z=apos.z+variance}, --maxpos
-			{x=-0, y=-0, z=-0}, --minvel
-			{x=0, y=0, z=0}, --maxvel
-			{x=variance,y=-0.5-variance,z=variance}, --minacc
-			{x=0.5+variance,y=0.5+variance,z=0.5+variance}, --maxacc
-			0.1, --minexptime
-			0.3, --maxexptime
-			size, --minsize
-			size+2, --maxsize
-			false, --collisiondetection
-			texture --texture
-		)
-		
+		local apos = self.object:get_pos() ; if not apos then return end
+		minetest.add_particlespawner({
+			amount = 6,
+			time = 0.3,
+			minpos = {x=apos.x-variance, y=apos.y-variance, z=apos.z-variance},
+			maxpos = {x=apos.x+variance, y=apos.y+variance, z=apos.z+variance},
+			minvel = {x=-0, y=-0, z=-0},
+			maxvel = {x=0, y=0, z=0},
+			minacc = {x=variance,y=-0.5-variance,z=variance},
+			maxacc = {x=0.5+variance,y=0.5+variance,z=0.5+variance},
+			minexptime = 0.1,
+			maxexptime = 0.3,
+			minsize = size,
+			maxsize = size+2,
+			collisiondetection = false,
+			texture = texture
+		})
 	end,
 })
 end

mod.conf

@@ -1 +1,4 @@
 name = dmobs
+depends = default, mobs, wool
+optional_depends = farming, ethereal, caverealms
+description = Adds new monsters and animals into your world.