stock IsPlayerSpawned(playerid){
if(GetPlayerState(playerid) == PLAYER_STATE_SPAWNED){
return 1;
}
return 0;
}

Находится игрок в наблюдение или нет.

stock IsPlayerSpectate(playerid){
if(GetPlayerState(playerid) == PLAYER_STATE_SPECTATING){
return 1;
}
return 0;
}