first somewhat working

init.lua

@@ -9,9 +9,9 @@ toggle_areas.area_privs = {}
 toggle_areas.registered_on_enter = {}
 toggle_areas.registered_on_leave = {}
 
-areas_owner_privs = minetest.settings:get("toggle_areas.owner_privs") ~= "+creative, +fly, +fast"
-areas_guest_privs = minetest.settings:get("toggle_areas.guest_privs") ~= "-fly, -fast"
-default_privs = minetest.settings:get("toggle_areas.default_privs") ~= "+fast"
+areas_owner_privs = minetest.settings:get("toggle_areas.owner_privs") or "+creative, +fly, +fast"
+areas_guest_privs = minetest.settings:get("toggle_areas.guest_privs") or "-fly, -fast"
+default_privs = minetest.settings:get("toggle_areas.default_privs") or "+fast"
 
 function toggle_areas:load_areas()
 	local test = minetest.deserialize(mod_storage:get_string("astore"))
@@ -52,7 +52,7 @@ end
 function toggle_areas:decode_privs_string(str)
 	-- minetest/builtin/common/misc_helpers.lua:core.string_to_privs()
 	assert(type(str) == "string")
-	delim = ','
+	local delim = ','
 	local privs_grant = {}
 	local privs_revoke = {}
 	for _, priv in pairs(string.split(str, delim)) do
@@ -74,8 +74,12 @@ function toggle_areas:is_areas_mod(area_id)
 	return is_areas_id, a_id
 end
 
-function toggle_areas:get_area_size(area_id)
-
+function toggle_areas:get_area_size(astore_area)
+	local pos1 = astore_area.min
+	local pos2 = astore_area.max
+	local x = math.abs( pos2.x - pos1.x )
+	local z = math.abs( pos2.z - pos1.x )
+	return x*z
 end
 
 function toggle_areas:save_player_privs(player)
@@ -115,7 +119,7 @@ function toggle_areas:player_enter_area(player, privstring)
 	local name = player:get_player_name()
 	local has_creative = minetest.check_player_privs(name, {creative=true})
 	
-	privs_grant, privs_revoke = toggle_areas:decode_privs_string(privstring)
+	local privs_grant, privs_revoke = toggle_areas:decode_privs_string(privstring)
 
 	if not has_creative and privs_grant.creative and not privs_revoke.creative then
 		minetest.chat_send_player(name, "You entered creative mode")
@@ -145,9 +149,13 @@ function toggle_areas:update_player(player)
 
 	local pmeta = player:get_meta()
 --	pmeta:mark_as_private("toggle_areas")
-	local player_stored_areas = minetest.deserialize(pmeta:get_string("toggle_areas")) or {}
+	local player_last_active_area = pmeta:get_string("toggle_areas.active_area") or "-1"
+	local player_active_area = "-1"
 	local areas_owner = false
 	local areas_guest = false
+	local areas_open = false
+	local new_area = nil
+	local smallest_area = {}
 
 	if minetest.check_player_privs(name, { protection_bypass=true }) then
 		minetest.log("warning", "[toggle_areas] Player has protection_bypass priv")
@@ -161,56 +169,55 @@ function toggle_areas:update_player(player)
 		for a_id, a_area in pairs( a_current_areas ) do
 			if a_area.owner == name then
 				areas_owner = true
+				player_active_area = "a"..a_id
+				break
+			elseif a_area.open then
+				areas_open = true
+				player_active_area = "a"..a_id
+				break
 			else
 				areas_guest = true
-			end
-			if not player_stored_areas["a_"..a_id] then
-				player_stored_areas["a_"..a_id] = true
-				minetest.log("warning", "[toggle_areas] Player entered area a_"..tostring(a_id))
-
+				player_active_area = "a"..a_id
+				break
 			end
 		end
 	end
 
 	-- enter area
-	local current_areas = self.astore:get_areas_for_pos(pos, false, true)
+	local current_areas = self.astore:get_areas_for_pos(pos, true, true)
 	for astore_id, astore_area in pairs( current_areas ) do
-		if not player_stored_areas[astore_id] then
-			player_stored_areas[astore_id] = true
-			minetest.chat_send_player(name, "You entered area ["..tostring(astore_id).."] "..astore_area.data)
-			minetest.log("warning", "[toggle_areas] Player entered area "..tostring(astore_id))
---			for i=1, #toggle_areas.registered_on_enter[astore_id] do
---				toggle_areas.registered_on_enter[astore_id][i](player)
---			end
+		local areasize = toggle_areas:get_area_size(astore_area)
+		if not smallest_area.size or areasize < smallest_area.size then
+			smallest_area.id = astore_id
+			smallest_area.size = areasize
 		end
 	end
+	if player_active_area == "-1" and smallest_area.id then
+		player_active_area = smallest_area.id
+	end
 
-	-- leave area
-	for id, _ in pairs(player_stored_areas) do
-		local is_areas_id, a_id = toggle_areas:is_areas_mod(id)
-		if not is_areas_id and not current_areas[id] then
-				player_stored_areas[id] = nil
-				minetest.log("warning", "[toggle_areas] Player left area "..tostring(id))
---				for i=1, #toggle_areas.registered_on_leave[id] do
---					toggle_areas.registered_on_leave[id][i](player)
---				end
+	local privstring = default_privs
+	if areas_owner or areas_open then
+		privstring = areas_owner_privs
+	elseif areas_guest then
+		if toggle_areas.area_privs[player_active_area] then
+			privstring = toggle_areas.area_privs[player_active_area]
+		else
+			privstring = areas_guest_privs
 		end
-		-- leave areas mod area
-		if is_areas_id and not a_current_areas[a_id] then
-				player_stored_areas[id] = nil
-				minetest.log("warning", "[toggle_areas] Player left areas area "..tostring(id))
+	elseif smallest_area.id then
+		if toggle_areas.area_privs[smallest_area.id] then
+			privstring = toggle_areas.area_privs[smallest_area.id]
 		end
 	end
 
-	local current_player_area = -1
-	for id, _ in pairs(player_stored_areas) do
-	
+	if player_active_area ~= player_last_active_area then
+		minetest.log("warning", "[toggle_areas] player entering new area "..player_last_active_area.."->"..player_active_area)
+		toggle_areas:player_enter_area(player, privstring)
+		pmeta:set_string("toggle_areas.active_area", player_active_area)
 	end
-	local privstring = toggle_areas.area_privs[area_id] or default_privs
-	-- todo areas owner / guest
 
 --	print(dump(pmeta:to_table()))
-	pmeta:set_string("toggle_areas", minetest.serialize(player_stored_areas))
 end
 
 toggle_areas:load_areas()