void mission_eval_goals()
{
int i, result, goal_changed = 0;
// before checking whether or not we should evaluate goals, we should run through the events and
// process any whose timestamp is valid and has expired. This would catch repeating events only
for (i=0; i<Num_mission_events; i++) {
if (Mission_events[i].formula != -1) {
if ( !timestamp_valid(Mission_events[i].timestamp) || !timestamp_elapsed(Mission_events[i].timestamp) ){
continue;
}
// if we get here, then the timestamp on the event has popped -- we should reevaluate
mission_process_event(i);
}
}
if ( !timestamp_elapsed(Mission_goal_timestamp) ){
return;
}
// first evaluate the players goals
for (i=0; i<Num_goals; i++) {
// don't evaluate invalid goals
if (Mission_goals[i].type & INVALID_GOAL){
continue;
}
if (Mission_goals[i].satisfied == GOAL_INCOMPLETE) {
result = eval_sexp(Mission_goals[i].formula);
if ( Sexp_nodes[Mission_goals[i].formula].value == SEXP_KNOWN_FALSE ) {
goal_changed = 1;
mission_goal_status_change( i, GOAL_FAILED );
} else if (result) {
goal_changed = 1;
mission_goal_status_change(i, GOAL_COMPLETE );
} // end if result
// tell the player how to end the mission
//if ( goal_changed && mission_evaluate_primary_goals() != PRIMARY_GOALS_INCOMPLETE ) {
// HUD_sourced_printf(HUD_SOURCE_IMPORTANT, "Press %s to end mission and return to base", textify_scancode(Control_config[END_MISSION].key_id) );
//}
} // end if goals[i].satsified != GOAL_COMPLETE
} // end for
// now evaluate any mission events
for (i=0; i<Num_mission_events; i++) {
if ( Mission_events[i].formula != -1 ) {
// only evaluate this event if the timestamp is not valid. We do this since
// we will evaluate repeatable events at the top of the file so we can get
// the exact interval that the designer asked for.
if ( !timestamp_valid( Mission_events[i].timestamp) ){
mission_process_event( i );
}
}
}
if (The_mission.game_type & MISSION_TYPE_TRAINING){
Mission_goal_timestamp = timestamp(GOAL_TIMESTAMP_TRAINING);
} else {
Mission_goal_timestamp = timestamp(GOAL_TIMESTAMP);
}
if ( !hud_disabled() && hud_gauge_active(HUD_DIRECTIVES_VIEW) ) {
mission_maybe_play_directive_success_sound();
}
// update goal status if playing on a multiplayer standalone server
if (Game_mode & GM_STANDALONE_SERVER){
std_multi_update_goals();
}
}
void mission_eval_goals()
{
int i, result;
// before checking whether or not we should evaluate goals, we should run through the events and
// process any whose timestamp is valid and has expired. This would catch repeating events only
for (i=0; i<Num_mission_events; i++) {
if (Mission_events[i].formula != -1) {
if ( !timestamp_valid(Mission_events[i].timestamp) || !timestamp_elapsed(Mission_events[i].timestamp) ){
continue;
}
// if we get here, then the timestamp on the event has popped -- we should reevaluate
PROFILE("Repeating events", mission_process_event(i));
}
}
if ( !timestamp_elapsed(Mission_goal_timestamp) ){
return;
}
// first evaluate the players goals
for (i=0; i<Num_goals; i++) {
// don't evaluate invalid goals
if (Mission_goals[i].type & INVALID_GOAL){
continue;
}
if (Mission_goals[i].satisfied == GOAL_INCOMPLETE) {
result = eval_sexp(Mission_goals[i].formula);
if ( Sexp_nodes[Mission_goals[i].formula].value == SEXP_KNOWN_FALSE ) {
mission_goal_status_change( i, GOAL_FAILED );
} else if (result) {
mission_goal_status_change(i, GOAL_COMPLETE );
} // end if result
} // end if goals[i].satsified != GOAL_COMPLETE
} // end for
// now evaluate any mission events
for (i=0; i<Num_mission_events; i++) {
if ( Mission_events[i].formula != -1 ) {
// only evaluate this event if the timestamp is not valid. We do this since
// we will evaluate repeatable events at the top of the file so we can get
// the exact interval that the designer asked for.
if ( !timestamp_valid( Mission_events[i].timestamp) ){
PROFILE("Nonrepeating events", mission_process_event( i ));
}
}
}
// send and remaining sexp data to the clients
if (MULTIPLAYER_MASTER) {
multi_sexp_flush_packet();
}
if (The_mission.game_type & MISSION_TYPE_TRAINING){
Mission_goal_timestamp = timestamp(GOAL_TIMESTAMP_TRAINING);
} else {
Mission_goal_timestamp = timestamp(GOAL_TIMESTAMP);
}
if ( !hud_disabled() && hud_gauge_active(HUD_DIRECTIVES_VIEW) ) {
mission_maybe_play_directive_success_sound();
}
// update goal status if playing on a multiplayer standalone server
if (Game_mode & GM_STANDALONE_SERVER){
std_multi_update_goals();
}
Snapshot_all_events = false;
}
// function which evaluates and processes the given event
void mission_process_event( int event )
{
int store_flags = Mission_events[event].flags;
int store_formula = Mission_events[event].formula;
int store_result = Mission_events[event].result;
int store_count = Mission_events[event].count;
int result, sindex;
Directive_count = 0;
Event_index = event;
sindex = Mission_events[event].formula;
result = Mission_events[event].result;
// if chained, insure that previous event is true and next event is false
if (Mission_events[event].chain_delay >= 0) { // this indicates it's chained
if (event > 0){
if (!Mission_events[event - 1].result || ((fix) Mission_events[event - 1].timestamp + i2f(Mission_events[event].chain_delay) > Missiontime)){
sindex = -1; // bypass evaluation
}
}
if ((event < Num_mission_events - 1) && Mission_events[event + 1].result && (Mission_events[event + 1].chain_delay >= 0)){
sindex = -1; // bypass evaluation
}
}
if (sindex >= 0) {
Sexp_useful_number = 1;
result = eval_sexp(sindex);
// if the directive count is a special value, deal with that first. Mark the event as a special
// event, and unmark it when the directive is true again.
if ( (Directive_count == DIRECTIVE_WING_ZERO) && !(Mission_events[event].flags & MEF_DIRECTIVE_SPECIAL) ) {
// make it special - which basically just means that its true until the next wave arrives
mission_event_set_directive_special(event);
Directive_count = 0;
} else if ( (Mission_events[event].flags & MEF_DIRECTIVE_SPECIAL) && Directive_count > 1 ) {
// make it non special
mission_event_unset_directive_special(event);
}
if (Mission_events[event].count || (Directive_count > 1)){
Mission_events[event].count = Directive_count;
}
if (Sexp_useful_number){
Mission_events[event].flags |= MEF_CURRENT;
}
}
Event_index = 0;
Mission_events[event].result = result;
// if the sexpression is known false, then no need to evaluate anymore
if ((sindex >= 0) && (Sexp_nodes[sindex].value == SEXP_KNOWN_FALSE)) {
Mission_events[event].timestamp = (int) Missiontime;
Mission_events[event].satisfied_time = Missiontime;
Mission_events[event].repeat_count = -1;
Mission_events[event].formula = -1;
return;
}
if (result && !Mission_events[event].satisfied_time) {
Mission_events[event].satisfied_time = Missiontime;
if ( Mission_events[event].objective_text ) {
Mission_directive_sound_timestamp = timestamp(DIRECTIVE_SOUND_DELAY);
}
}
// decrement the repeat count. When at 0, don't eval this function anymore
if ( result || timestamp_valid(Mission_events[event].timestamp) ) {
Mission_events[event].repeat_count--;
if ( Mission_events[event].repeat_count <= 0 ) {
Mission_events[event].timestamp = (int)Missiontime;
Mission_events[event].formula = -1;
if(Game_mode & GM_MULTIPLAYER){
// squad war
multi_team_maybe_add_score((int)(Mission_events[event].score * scoring_get_scale_factor()), Mission_events[event].team);
} else {
// deal with the player's score
Player->stats.m_score += (int)(Mission_events[event].score * scoring_get_scale_factor());
}
} else {
// set the timestamp to time out 'interval' seconds in the future. We must also reset the
// value at the sexpresion node to unknown so that it will get reevaled
Mission_events[event].timestamp = timestamp( Mission_events[event].interval * 1000 );
// Sexp_nodes[Mission_events[event].formula].value = SEXP_UNKNOWN;
}
}
// see if anything has changed
if(MULTIPLAYER_MASTER && ((store_flags != Mission_events[event].flags) || (store_formula != Mission_events[event].formula) || (store_result != Mission_events[event].result) || (store_count != Mission_events[event].count)) ){
send_event_update_packet(event);
}
}