13th

#include <a_samp>

#define MAX_PICKUPS 10000

forward CreateStreamPickup(model,type,Float:x,Float:y,Float:z,range);
forward StreamPickups();
forward Pickup_AnyPlayerToPoint(Float:radi, Float:x, Float:y, Float:z);
forward DestroyStreamPickup(ID);
forward ChangeStreamPickupModel(ID,newmodel);
forward ChangeStreamPickupType(ID,newtype);
forward IsStreamPickup(ID);
forward Pickup_PlayerToPoint(playerid, Float:radi, Float:x, Float:y, Float:z);
forward ValidStreamPickupPickUp(playerid, pickupid);


enum pickupINFO
{
    pickupCreated,
    pickupVisible,
    pickupID,
    pickupRange,
    Float:pickupX,
    Float:pickupY,
    Float:pickupZ,
    pickupType,
    pickupModel
}
new Pickup[MAX_PICKUPS+1][pickupINFO];

public CreateStreamPickup(model,type,Float:x,Float:y,Float:z,range)
{
    new FoundID = 0;
    new ID;

    for ( new i = 0; FoundID <= 0 ; i++)
    {
        if( Pickup[i][pickupCreated] == 0 )
        {
            if( FoundID == 0 )
            {
               ID = i;
               FoundID = 1;
            }
        }
        if( i > MAX_PICKUPS )
        {
            FoundID = 2;
        }
    }
    if( FoundID == 2 )
    {
        print("Pickup limit reached! Pickup not created!");
        return -1;
    }
    Pickup[ID][pickupCreated] = 1;
    Pickup[ID][pickupVisible] = 0;
    Pickup[ID][pickupModel] = model;
    Pickup[ID][pickupType] = type;
    Pickup[ID][pickupX] = x;
    Pickup[ID][pickupY] = y;
    Pickup[ID][pickupZ] = z;
    Pickup[ID][pickupRange] = range;
    return ID;

}
public DestroyStreamPickup(ID)
{
    Pickup[ID][pickupCreated] = 0;
    DestroyPickup(Pickup[ID][pickupID]);
}
public StreamPickups()
{
    for(new i = 0; i < MAX_PICKUPS; i++)
    {
        if( Pickup[i][pickupCreated] == 1 )
        {
            if( Pickup_AnyPlayerToPoint(Pickup[i][pickupRange],Pickup[i][pickupX],Pickup[i][pickupY],Pickup[i][pickupZ]) )
            {
                if( Pickup[i][pickupVisible] == 0 )
                {
                    Pickup[i][pickupID] = CreatePickup(Pickup[i][pickupModel],Pickup[i][pickupType],Pickup[i][pickupX],Pickup[i][pickupY],Pickup[i][pickupZ]);
                    Pickup[i][pickupVisible] = 1;
                }
            }
            else
            {
                if( Pickup[i][pickupVisible] == 1 )
                {
                    DestroyPickup(Pickup[i][pickupID]);
                    Pickup[i][pickupVisible] = 0;
                }
            }
        }
    }
}
public Pickup_AnyPlayerToPoint(Float:radi, Float:x, Float:y, Float:z)
{
    for ( new i = 0; i < MAX_PLAYERS; i++ )
    {
        if(IsPlayerConnected(i))
        {
            if( Pickup_PlayerToPoint(i, Float:radi, Float:x, Float:y, Float:z) ) return 1;
        }
    }
    return 0;
}
public Pickup_PlayerToPoint(playerid, Float:radi, Float:x, Float:y, Float:z)
{
    new Float:oldposx, Float:oldposy, Float:oldposz;
    new Float:tempposx, Float:tempposy, Float:tempposz;
    GetPlayerPos(playerid, oldposx, oldposy, oldposz);
    tempposx = (oldposx -x);
    tempposy = (oldposy -y);
    tempposz = (oldposz -z);
    if (((tempposx < radi) && (tempposx > -radi)) && ((tempposy < radi) && (tempposy > -radi)) && ((tempposz < radi) && (tempposz > -radi)))
    {
        return 1;
    }
    return 0;
}
public ChangeStreamPickupModel(ID,newmodel)
{
    DestroyPickup(Pickup[ID][pickupID]);
    Pickup[ID][pickupVisible] = 0;
    Pickup[ID][pickupModel] = newmodel;
}
public ChangeStreamPickupType(ID,newtype)
{
    DestroyPickup(Pickup[ID][pickupID]);
    Pickup[ID][pickupVisible] = 0;
    Pickup[ID][pickupType] = newtype;
}
public IsStreamPickup(ID)
{
    for( new i = 0; i < MAX_PICKUPS; i++ )
    {
        if( Pickup[i][pickupID] == ID && Pickup[i][pickupCreated] == 1 )
        {
            return i;
        }
    }
    return -1;
}
public ValidStreamPickupPickUp(playerid, pickupid)
{
    if( Pickup_PlayerToPoint(playerid, 2.0, Pickup[pickupid][pickupX], Pickup[pickupid][pickupY], Pickup[pickupid][pickupZ]) ) return 1; return 0;
}