add mtobjid mod to optional dependencies, stop mob count going below 0

api.lua

@@ -25,7 +25,7 @@ local use_cmi = minetest.global_exists("cmi")
 
 mobs = {
 	mod = "redo",
-	version = "20230527",
+	version = "20230606",
 	intllib = S,
 	invis = minetest.global_exists("invisibility") and invisibility or {}
 }
@@ -870,7 +870,7 @@ local function remove_mob(self, decrease)
 
 	self.object:remove()
 
-	if decrease and active_limit > 0 then
+	if decrease and active_limit > 1 then
 		active_mobs = active_mobs - 1
 	end
 --print("-- active mobs: " .. active_mobs .. " / " .. active_limit)

depends.txt

@@ -9,3 +9,4 @@ cmi?
 toolranks?
 pathfinder?
 player_api?
+mtobjid?

mod.conf

@@ -1,4 +1,4 @@
 name = mobs
 depends =
-optional_depends = default, tnt, dye, farming, invisibility, intllib, lucky_block, cmi, toolranks, pathfinder, player_api
+optional_depends = default, tnt, dye, farming, invisibility, intllib, lucky_block, cmi, toolranks, pathfinder, player_api, mtobjid
 description = Adds a mob api for mods to add animals or monsters etc.