RevScripts Points system by killing monster

local storage = 100

local monsterList = {
    ["demon"] = 1,
    ["dragon"] = 1,
    ["dragon lord"] = 1
}

local anyMonsterPoints = 1 -- -1 to disable

local killPoints = CreatureEvent("KillPoints")

function killPoints.onKill(player, target)
    if not target:isMonster() then
        return true
    end

    local monsterName = target:getName():lower()
    local points = monsterList[monsterName]
    if not points then
        points = anyMonsterPoints
    end

    if points < 0 then
        return true
    end

    local storageValue = player:getStorageValue(storage)
    if storageValue < 0 then
        storageValue = 0
    end

    player:setStorageValue(storage, storageValue + points)
    player:sendTextMessage(MESSAGE_STATUS_CONSOLE_BLUE, string.format("You have %d points.", storageValue + points))
    return true
end

killPoints:register()

local killLogin = CreatureEvent("KillLogin")

function killLogin.onLogin(player)
    player:registerEvent("KillPoints")
    return true
end

killLogin:register()