GameHandler

game.Players.PlayerAdded:Connect(function(plr)

    local ls = Instance.new("Folder")
    ls.Name = "leaderstats"
    ls.Parent = plr

    local cash = Instance.new("IntValue")
    cash.Name = "Cash"
    cash.Value = 0
    cash.Parent = ls
end)


local collectionService = game:GetService("CollectionService")


local gun = script:WaitForChild("Gun")
local mobs = {[10] = script:WaitForChild("HardMob"), [5] = script:WaitForChild("MediumMob"), [1] = script:WaitForChild("EasyMob")}


local mobSpawns = workspace:WaitForChild("MobSpawns")


local statusValue = game.ReplicatedStorage:WaitForChild("StatusValue")


local respawnWave = 3

local startingMobs = 5

local maxWave = math.huge


while true do


    statusValue.Value = "Intermission"

    for i, child in pairs(workspace:WaitForChild("MobsFolder"):getChildren()) do

        collectionService:RemoveTag(child, "mob")
    end

    workspace.MobsFolder:ClearAllChildren()

    wait(5)


    local alivePlrs = {}

    for i, plr in pairs(game.Players:GetPlayers()) do

        plr:LoadCharacter()

        table.insert(alivePlrs, plr)

        plr.Character.Humanoid.Died:Connect(function()
            table.remove(alivePlrs, alivePlrs[plr])
        end)

        gun:Clone().Parent = plr.Backpack
    end


    for i = 1, maxWave do

        local mobsToSpawn = (startingMobs / 2) * (2 ^ i)

        statusValue.Value = "Wave " .. i .. " starting."
        wait(3)


        local mobTypeSpawn
        for waveNum, mobType in pairs(mobs) do

            if i >= waveNum then

                mobTypeSpawn = mobType
                break
            end
        end


        while mobsToSpawn > 0 do

            for x, spawner in pairs(mobSpawns:GetChildren()) do

                mobsToSpawn = mobsToSpawn - 1

                local mobClone = mobTypeSpawn:Clone()
                mobClone.HumanoidRootPart.CFrame = spawner.CFrame + Vector3.new(0, 10, 0)

                mobClone.Humanoid.WalkSpeed = mobClone.Settings.Speed.Value
                mobClone.Humanoid.MaxHealth = mobClone.Settings.Health.Value
                mobClone.Humanoid.Health = mobClone.Humanoid.MaxHealth

                collectionService:AddTag(mobClone, "mob")

                mobClone.Humanoid.Died:Connect(function()

                    collectionService:RemoveTag(mobClone, "mob")

                    mobClone:Destroy()
                end)

                mobClone.Parent = workspace:WaitForChild("MobsFolder")
            end
        end

        repeat
            wait()

            statusValue.Value = "Wave " .. i .. " | " .. #workspace:WaitForChild("MobsFolder"):GetChildren() .. "/" .. (startingMobs / 2) * (2 ^ i) .. " Zombies"

        until #workspace:WaitForChild("MobsFolder"):GetChildren() < 1 or #alivePlrs < 1

        if #alivePlrs < 1 then
            break

        else

            for y, plrAlive in pairs(alivePlrs) do

                plrAlive.leaderstats.Cash.Value = plrAlive.leaderstats.Cash.Value + (20 * i)
            end

            if i % respawnWave == 0 then

                for z, plr in pairs(game.Players:GetPlayers()) do

                    if not plr.Character then

                        plr:LoadCharacter()
                        gun:Clone().Parent = plr.Backpack

                        table.insert(alivePlrs, plr)
                    end
                end
            end
        end
    end
end