#include <a_samp>
#include <j_fader_v2>

#define healthSecs (5) // Health will gain every 5 seconds. Change it if you want!
#define healthGain (10.0) // How much health will the player get after he waited the desired seconds.

new fadeTimer[MAX_PLAYERS], healTimer[MAX_PLAYERS];

public OnFilterScriptInit()
{
  FadeInit();
  return 1;
}

public OnFilterScriptExit()
{
  FadeExit();
  return 1;
}

public OnPlayerConnect(playerid)
{
    FadePlayerConnect(playerid);
    fadeTimer[playerid] = SetTimerEx("healthFade", 100, true, "i", playerid);
    return 1;
}

public OnPlayerDisconnect(playerid,reason)
{
  FadePlayerDisconnect(playerid);
  return 1;
}

public OnPlayerDeath(playerid, killerid, reason)
{
    KillTimer(fadeTimer[playerid]);
    return 1;
}

// Somewhere in your script (not in a callback / function)
forward healthFade(playerid);
public healthFade(playerid)
{
    new Float: pHealth;
    GetPlayerHealth(playerid, pHealth);
    if (pHealth <= 20)
    {
        FadeColorForPlayer(playerid, 255, 0, 0, 0, 255, 0, 0, 255, 25, 1000);
        healTimer[playerid] = SetTimerEx("healUser", healthGain * 1000, true, "i", playerid);
    }
    if (pHealth > 20)
    {
        KillTimer(fadeTimer[playerid]);
        KillTimer(healTimer[playerid] );
    }
    return 1;
}

// Somewhere in your script (not in a callback / function)
forward healUser(playerid);
public healUser(playerid)
{
    new Float: pHealth;
    GetPlayerHealth(playerid, pHealth);
    SetPlayerHealth(playerid, pHealth + healthGain);
    return 1;
}