achievements.lua

achievements = {
    ["50kpots"] = {storage = 60001, value = 50000, points = 2, secret = false, name = "The Thirst Is Real", description = "Consume 50000 potions."},
    ["demonset"] = {storage = 60002, value = 1, points = 5, secret = false, name = "Demonized", description = "Craft a demon helmet, demon armor, demon legs and demon shield."},
}

local pointsStorage = 60000

function Player.getAchievements(self)
    local t = {}
    for key, value in pairs(achievements) do
        if self:getStorageValue(achievements[key].storage) >= achievements[key].value and not achievements[a].secret then
            t[value] = key
        end
    end
    return t
end

function Player.getAchievementStatus(self, a)
    if self:getStorageValue(achievements[a].storage) < 0 then
        self:setStorageValue(achievements[a].storage, 0)
    end
    return self:getStorageValue(achievements[a].storage)
end

function Player.setAchievementStatus(self, a, value)
    return self:setStorageValue(achievements[a].storage, value)
end

function Player.addAchievementStatus(self, a, value)
    if self:getAchievementStatus(a) + value == achievements[a].value then
        return self:addAchievement(a)
    else
        return self:setAchievementStatus(a, self:getAchievementStatus(a) + value)
    end
end

function Player.addAchievement(self, a)
    return self:setStorageValue(achievements[a].storage, achievements[a].value), self:addAchievementPoints(achievements[a].points), self:sendTextMessage(MESSAGE_EVENT_ADVANCE, "You have unlocked the achievement \"" .. achievements[a].name .. "\"")
end

function Player.getAchievementPoints(self)
    return self:getStorageValue(pointsStorage)
end

function Player.addAchievementPoints(self, points)
    return self:setStorageValue(pointsStorage, self:getStorageValue(pointsStorage) + points)
end

function Player.removeAchievementPoints(self, points)
    return self:setStorageValue(pointsStorage, self:getStorageValue(pointsStorage) - points)
end

function Player.setAchievementPoints(self, points)
    return self:setStorageValue(pointsStorage, points)
end