Dynamic Classes (Rough code)

#define MAX_CLASS 318

enum classEnum{
    cskin, Float:cx, Float:cy, Float:cz, Float:cAngle, cweapon1, cweapon1_ammo, cweapon2, cweapon2_ammo, cweapon3, cweapon3_ammo, cteamid
}

new Classes[MAX_CLASS][classEnum];
new counter = -1;
new lastClass[MAX_PLAYERS] = {0, ...};
new currentClass[MAX_PLAYERS];

// Make sure Gamemodeinit is before hooking
public OnGameModeInit()
{
    // add three random class, these will serve to see player pressed right button or left, no need to change anything here they should be blank
    // dont add or remove addplayerclass lines here
    AddPlayerClass(0, 1958.33, 1343.12, 15.36, 269.15, 0, 0, 0, 0, 0, 0);
    AddPlayerClass(0, 1958.33, 1343.12, 15.36, 269.15, 0, 0, 0, 0, 0, 0);
    AddPlayerClass(0, 1958.33, 1343.12, 15.36, 269.15, 0, 0, 0, 0, 0, 0);
}

stock h_AddPlayerClass(skin, Float:x, Float:y, Float:z, Float:Angle, weapon1, weapon1_ammo, weapon2, weapon2_ammo, weapon3, weapon3_ammo)
{
    if(counter == MAX_CLASS-1)
    {
        print("Max class limit reached");
        return -1;
    }
    counter++;
    Classes[counter][cskin] = skin;
    Classes[counter][cx] = x;
    Classes[counter][cy] = y;
    Classes[counter][cz] = z;
    Classes[counter][cAngle] = Angle;
    Classes[counter][cweapon1] = weapon1;
    Classes[counter][cweapon1_ammo] = weapon1_ammo;
    Classes[counter][cweapon2] = weapon2;
    Classes[counter][cweapon2_ammo] = weapon2_ammo;
    Classes[counter][cweapon3] = weapon3;
    Classes[counter][cweapon3_ammo] = weapon3_ammo;
    return counter;
}

stock h_AddPlayerClassEx(teamid, skin, Float:x, Float:y, Float:z, Float:Angle, weapon1, weapon1_ammo, weapon2, weapon2_ammo, weapon3, weapon3_ammo)
{
    if(counter == MAX_CLASS-1)
    {
        print("Max class limit reached");
        return -1;
    }
    counter++;
    Classes[counter][cteamid] = teamid;
    Classes[counter][cskin] = skin;
    Classes[counter][cx] = x;
    Classes[counter][cy] = y;
    Classes[counter][cz] = z;
    Classes[counter][cAngle] = Angle;
    Classes[counter][cweapon1] = weapon1;
    Classes[counter][cweapon1_ammo] = weapon1_ammo;
    Classes[counter][cweapon2] = weapon2;
    Classes[counter][cweapon2_ammo] = weapon2_ammo;
    Classes[counter][cweapon3] = weapon3;
    Classes[counter][cweapon3_ammo] = weapon3_ammo;
    return counter;
}

//******************** REMOVE ALL CLASSES
stock RemoveAllClasses()
{
    counter = -1;
}

public OnPlayerRequestClass(playerid,classid)
{
    if(counter != -1)// if there is atleast one class
    {
        switch(lastClass[playerid])
        {
            case 0:
            {
                if(classid == 0)
                {
                    SetSpawnInfo(playerid, Classes[0][cteamid], Classes[0][cskin], Classes[0][cx], Classes[0][cy], Classes[0][cz], Classes[0][cAngle], Classes[0][cweapon1], Classes[0][cweapon1_ammo], Classes[0][cweapon2], Classes[0][cweapon2_ammo], Classes[0][cweapon3], Classes[0][cweapon3_ammo]);
                    SetPlayerSkin(Classes[0][cskin]);
                    currentClass[playerid] = 0;
                }
                if(classid == 1)// this means player pressed right button
                {
                    if(currentClass[playerid] == counter)currentClass[playerid] = 0;
                    else currentClass[playerid]++;
                    SetSpawnInfo(playerid, Classes[currentClass[playerid]][cteamid], Classes[currentClass[playerid]][cskin], Classes[currentClass[playerid]][cx], Classes[currentClass[playerid]][cy], Classes[currentClass[playerid]][cz], Classes[currentClass[playerid]][cAngle], Classes[currentClass[playerid]][cweapon1], Classes[currentClass[playerid]][cweapon1_ammo], Classes[currentClass[playerid]][cweapon2], Classes[currentClass[playerid]][cweapon2_ammo], Classes[currentClass[playerid]][cweapon3], Classes[currentClass[playerid]][cweapon3_ammo]);
                    SetPlayerSkin(Classes[currentClass[playerid]][cskin]);
                }
                if(classid == 2)//this means player pressed left button
                {
                    if(currentClass[playerid] == 0)currentClass[playerid] = counter;
                    else currentClass[playerid]--;
                    SetSpawnInfo(playerid, Classes[currentClass[playerid]][cteamid], Classes[currentClass[playerid]][cskin], Classes[currentClass[playerid]][cx], Classes[currentClass[playerid]][cy], Classes[currentClass[playerid]][cz], Classes[currentClass[playerid]][cAngle], Classes[currentClass[playerid]][cweapon1], Classes[currentClass[playerid]][cweapon1_ammo], Classes[currentClass[playerid]][cweapon2], Classes[currentClass[playerid]][cweapon2_ammo], Classes[currentClass[playerid]][cweapon3], Classes[currentClass[playerid]][cweapon3_ammo]);
                    SetPlayerSkin(Classes[currentClass[playerid]][cskin]);
                }
            }
            case 1:
            {
                if(classid == 1)
                {
                    SetSpawnInfo(playerid, Classes[0][cteamid], Classes[0][cskin], Classes[0][cx], Classes[0][cy], Classes[0][cz], Classes[0][cAngle], Classes[0][cweapon1], Classes[0][cweapon1_ammo], Classes[0][cweapon2], Classes[0][cweapon2_ammo], Classes[0][cweapon3], Classes[0][cweapon3_ammo]);
                    SetPlayerSkin(Classes[0][cskin]);
                    currentClass[playerid] = 0;
                }
                if(classid == 2)// this means player pressed right button
                {
                    if(currentClass[playerid] == counter)currentClass[playerid] = 0;
                    else currentClass[playerid]++;
                    SetSpawnInfo(playerid, Classes[currentClass[playerid]][cteamid], Classes[currentClass[playerid]][cskin], Classes[currentClass[playerid]][cx], Classes[currentClass[playerid]][cy], Classes[currentClass[playerid]][cz], Classes[currentClass[playerid]][cAngle], Classes[currentClass[playerid]][cweapon1], Classes[currentClass[playerid]][cweapon1_ammo], Classes[currentClass[playerid]][cweapon2], Classes[currentClass[playerid]][cweapon2_ammo], Classes[currentClass[playerid]][cweapon3], Classes[currentClass[playerid]][cweapon3_ammo]);
                    SetPlayerSkin(Classes[currentClass[playerid]][cskin]);
                }
                if(classid == 0)//this means player pressed left button
                {
                    if(currentClass[playerid] == 0)currentClass[playerid] = counter;
                    else currentClass[playerid]--;
                    SetSpawnInfo(playerid, Classes[currentClass[playerid]][cteamid], Classes[currentClass[playerid]][cskin], Classes[currentClass[playerid]][cx], Classes[currentClass[playerid]][cy], Classes[currentClass[playerid]][cz], Classes[currentClass[playerid]][cAngle], Classes[currentClass[playerid]][cweapon1], Classes[currentClass[playerid]][cweapon1_ammo], Classes[currentClass[playerid]][cweapon2], Classes[currentClass[playerid]][cweapon2_ammo], Classes[currentClass[playerid]][cweapon3], Classes[currentClass[playerid]][cweapon3_ammo]);
                    SetPlayerSkin(Classes[currentClass[playerid]][cskin]);
                }
            }
            case 2:
            {
                if(classid == 2)
                {
                    SetSpawnInfo(playerid, Classes[0][cteamid], Classes[0][cskin], Classes[0][cx], Classes[0][cy], Classes[0][cz], Classes[0][cAngle], Classes[0][cweapon1], Classes[0][cweapon1_ammo], Classes[0][cweapon2], Classes[0][cweapon2_ammo], Classes[0][cweapon3], Classes[0][cweapon3_ammo]);
                    SetPlayerSkin(Classes[0][cskin]);
                    currentClass[playerid] = 0;
                }
                if(classid == 0)// this means player pressed right button
                {
                    if(currentClass[playerid] == counter)currentClass[playerid] = 0;
                    else currentClass[playerid]++;
                    SetSpawnInfo(playerid, Classes[currentClass[playerid]][cteamid], Classes[currentClass[playerid]][cskin], Classes[currentClass[playerid]][cx], Classes[currentClass[playerid]][cy], Classes[currentClass[playerid]][cz], Classes[currentClass[playerid]][cAngle], Classes[currentClass[playerid]][cweapon1], Classes[currentClass[playerid]][cweapon1_ammo], Classes[currentClass[playerid]][cweapon2], Classes[currentClass[playerid]][cweapon2_ammo], Classes[currentClass[playerid]][cweapon3], Classes[currentClass[playerid]][cweapon3_ammo]);
                    SetPlayerSkin(Classes[currentClass[playerid]][cskin]);
                }
                if(classid == 1)//this means player pressed left button
                {
                    if(currentClass[playerid] == 0)currentClass[playerid] = counter;
                    else currentClass[playerid]--;
                    SetSpawnInfo(playerid, Classes[currentClass[playerid]][cteamid], Classes[currentClass[playerid]][cskin], Classes[currentClass[playerid]][cx], Classes[currentClass[playerid]][cy], Classes[currentClass[playerid]][cz], Classes[currentClass[playerid]][cAngle], Classes[currentClass[playerid]][cweapon1], Classes[currentClass[playerid]][cweapon1_ammo], Classes[currentClass[playerid]][cweapon2], Classes[currentClass[playerid]][cweapon2_ammo], Classes[currentClass[playerid]][cweapon3], Classes[currentClass[playerid]][cweapon3_ammo]);
                    SetPlayerSkin(Classes[currentClass[playerid]][cskin]);
                }
            }
        }
    }
    lastClass[playerid] = classid;
    CallLocalFunction("h_OnPlayerRequestClass", "dd", playerid, currentClass);
}

// This will be always below the above code, dont change order of code
//Hooking :
#if defined _ALS_AddPlayerClass
  #undef AddPlayerClass
#else
#define _ALS_AddPlayerClass
#endif

#define AddPlayerClass h_AddPlayerClass

#if defined _ALS_AddPlayerClassEx
  #undef AddPlayerClassEx
#else
#define _ALS_AddPlayerClassEx
#endif

#define AddPlayerClassEx h_AddPlayerClassEx

// hook request class :
#if defined _ALS_OnPlayerRequestClass
  #undef OnPlayerRequestClass
#else
#define _ALS_OnPlayerRequestClass
#endif

#define OnPlayerSpawn h_OnPlayerSpawn


forward h_OnPlayerRequestClass(playerid, classid);