Better Player Zoning

local ServerStorage = game:GetService("ServerStorage")
local ReplicatedStorage = game:GetService("ReplicatedStorage")
local sharedModules = ReplicatedStorage.SharedModules
local serverModules = ServerStorage.ServerModules
local ZoneInformation = require(sharedModules.ZoneInformation)


local PlayerZoneManager = {}
local zones = {}

local function start()
    for _, zoneInfo in ipairs(ZoneInformation) do
        zones[zoneInfo.name] = {}
    end
end

local function getZone(zoneName)
    return zones[zoneName]
end

local function getPlayerZoneByName(player, zoneName)
    return getZone(zoneName)[player]
end

local function findPlayerZone(player)
    for zoneName, zone in pairs(zones) do
        local playerInZone = getPlayerZoneByName(player, zoneName)
        if playerInZone then
            return zoneName
        end
    end
end

local function setPlayerZone(player, zoneName, value)
    local zone = getZone(zoneName)
    if value then
        zone[player] = true
        PlayerZoneManager:onZonePlayerAdded(player, zoneName)
    else
        zone[player] = nil
        PlayerZoneManager:onZonePlayerRemoved(player, zoneName)
    end
end


function PlayerZoneManager:onZonePlayerAdded(player, zoneName)
    print(player, "added: " .. zoneName)
end

function PlayerZoneManager:onZonePlayerRemoved(player, zoneName)
    print(player, "removed: " .. zoneName)
end


function PlayerZoneManager:addPlayerToZone(player, zoneName)
    if not getZone(zoneName) or getPlayerZoneByName(player, zoneName) then return end
    self:findAndRemovePlayerZone(player)
    setPlayerZone(player, zoneName, true)
end

function PlayerZoneManager:removePlayerFromZone(player, zoneName)
    local zone = getZone(zoneName)
    if getPlayerZoneByName(player, zoneName) then
        setPlayerZone(player, zoneName, false)
    end
end

function PlayerZoneManager:findAndRemovePlayerZone(player)
    local zoneName = findPlayerZone(player)
    if zoneName then
        self:removePlayerFromZone(player, zoneName)
    end
end

start()

return PlayerZoneManager