/tes: this prediction uses engine of game + own catched experience shit etc.
int doPredCalc(vec3_t base_orig,int player,int future) {
static int lastTime;
int retval;
trajectory_t tr_tmp;
int delta_time;
int eFlags = eth.cg_entities[player].currentState->eFlags;
vec3_t o_tmp;
vec3_t bulletPath;
vec3_t bulletAngle;
int clientHeight;
int clientFeetZ;
int clientRotation;
int bulletHeight;
int bulletRotation; // Degrees rotation around client.
// used to check Back of head vs. Face
int impactRotation;
float speedscale;
int snapFlags; // SNAPFLAG_RATE_DELAYED, etc
int ping;
int numPendingAnimations;
int serverTime;
int i, x, zd, zu;