#include <YSI\y_timers>

#define GetPlayerExperience(%0)         PlayerData[%0][Experience]
#define GivePlayerExperience(%0, %1)    PlayerData[%0][Experience] += %1
#define ResetPlayerExperience(%0)       PlayerData[%0][ExperienceLevel] == 0

#define GetPlayerLevel(%0)              PlayerData[%0][ExperienceLevel]
#define UpgradePlayerLevel(%0, %1)      PlayerData[%0][ExperienceLevel] += %1

#define GetPlayerLevelCost(%0)          PlayerData[%0][NextLevelCost]
#define UpgradePlayerLevelCost(%0, %1)  PlayerData[%0][NextLevelCost] += %1

#define MAX_PLAYER_LEVEL        30

#define EXPERIENCE_GROWING_TIME 60000
#define EXPERIENCE_PER_GT       1

#define UNTIL_5                 30
#define UNTIL_10                60
#define UNTIL_15                90
#define UNTIL_20                120
#define UNTIL_25                150
#define UNTIL_30                180

ptask UpgradeExperience[EXPERIENCE_GROWING_TIME](playerid)
{
    if(PlayerData[playerid][PlayerOnline] && GetPlayerLevel(playerid) != MAX_PLAYER_LEVEL)
    {
        GivePlayerExperience(playerid, 1);

        if(GetPlayerExperience(playerid) >= GetPlayerLevelCost(playerid))
        {
            UpgradePlayerLevel(playerid, 1);
            ResetPlayerExperience(playerid);

            switch(GetPlayerLevelCost(playerid))
            {
                case 0...4: UpgradePlayerLevelCost(playerid, UNTIL_5);
                case 5...9: UpgradePlayerLevelCost(playerid, UNTIL_10);
                case 10...14: UpgradePlayerLevelCost(playerid, UNTIL_15);
                case 15...19: UpgradePlayerLevelCost(playerid, UNTIL_20);
                case 20...24: UpgradePlayerLevelCost(playerid, UNTIL_25);
                case 25...29: UpgradePlayerLevel(playerid, UNTIL_30);
            }
        }
    }
}