Extra error checking: global variables

tesseract.lua

@@ -1,7 +1,7 @@
 local max_depth = 31000
 
 local function teleporter(user, area, power)
-	if not (user and area and power and type(power) == 'number') then
+	if not (user and area and power and type(power) == 'number' and fun_caves.world and fun_caves.db and fun_caves.db.teleport_data and fun_caves.underzones and fun_caves.is_fortress and fun_caves.cave_noise_1 and fun_caves.cave_noise_2 and fun_caves.cave_width) then
 		return
 	end
 
@@ -323,7 +323,7 @@ minetest.register_craft({
 
 
 local function translocate(pos, node, clicker, itemstack, pointed_thing)
-	if not (pos and clicker) then
+	if not (pos and clicker and fun_caves.db.translocators) then
 		return
 	end
 
@@ -394,7 +394,7 @@ local function trans_use(itemstack, user, pointed_thing)
 end
 
 local function trans_place(itemstack, placer, pointed_thing)
-	if not (itemstack and placer and pointed_thing) then
+	if not (itemstack and placer and pointed_thing and fun_caves.db.translocators) then
 		return
 	end
 
@@ -431,7 +431,7 @@ local function trans_place(itemstack, placer, pointed_thing)
 end
 
 local function trans_dig(pos, node, digger)
-	if not (pos and node and digger) then
+	if not (pos and node and digger and fun_caves.db.translocators) then
 		return
 	end
 
@@ -485,7 +485,7 @@ local function trans_dig(pos, node, digger)
 end
 
 local function trans_dest(pos)
-	if not pos then
+	if not (pos and fun_caves.db.translocators) then
 		return
 	end
 
@@ -560,7 +560,7 @@ for _, gem in pairs(gems) do
 end
 
 minetest.register_on_craft(function(itemstack, player, old_craft_grid, craft_inv)
-	if not (itemstack and player and itemstack:get_name() == "fun_caves:translocator") then
+	if not (itemstack and player and fun_caves.db.translocators and itemstack:get_name() == "fun_caves:translocator") then
 		return
 	end