/**
* @brief Make the UFOs run
* @param[in] campaign The campaign data structure
* @param[in] deltaTime The time passed since last call
*/
void UFO_CampaignRunUFOs (const campaign_t* campaign, int deltaTime)
{
int ufoIdx, k;
/* now the ufos are flying around, too - cycle backward - ufo might be destroyed */
for (ufoIdx = ccs.numUFOs - 1; ufoIdx >= 0; ufoIdx--) {
aircraft_t *ufo = UFO_GetByIDX(ufoIdx);
/* don't run a landed ufo */
if (ufo->landed)
continue;
/* Every UFO on geoscape should have a mission assigned */
assert(ufo->mission);
/* reached target and not following a phalanx aircraft? then we need a new destination */
if (AIR_AircraftMakeMove(deltaTime, ufo) && ufo->status != AIR_UFO) {
float *end;
end = ufo->route.point[ufo->route.numPoints - 1];
Vector2Copy(end, ufo->pos);
MAP_CheckPositionBoundaries(ufo->pos);
if (ufo->mission->stage == STAGE_INTERCEPT && ufo->mission->data.aircraft) {
/* Attacking an installation: fly over this installation */
UFO_SetRandomDestAround(ufo, ufo->mission->pos);
} else
UFO_SetRandomDest(ufo);
if (CP_CheckNextStageDestination(campaign, ufo))
/* UFO has been removed from game */
continue;
/* UFO was destroyed (maybe because the mission was removed) */
if (ufoIdx == ccs.numUFOs)
continue;
}
/* is there a PHALANX aircraft to shoot at ? */
UFO_SearchAircraftTarget(campaign, ufo);
/* antimatter tanks */
if (ufo->fuel <= 0)
ufo->fuel = ufo->stats[AIR_STATS_FUELSIZE];
/* Update delay to launch next projectile */
for (k = 0; k < ufo->maxWeapons; k++) {
aircraftSlot_t *slot = &ufo->weapons[k];
if (slot->delayNextShot > 0)
slot->delayNextShot -= deltaTime;
}
}
}
/**
* @brief UFO starts to attack the installation.
* @note Intercept mission -- Stage 2
*/
static void CP_InterceptAttackInstallation (mission_t* mission)
{
const date_t minAttackDelay = {0, 3600};
const date_t attackDelay = {0, 21600}; /* How long the UFO should stay on earth */
installation_t* installation;
vec3_t missionPos;
mission->stage = STAGE_INTERCEPT;
installation = mission->data.installation;
Vector2Copy(mission->pos, missionPos);
if (!VectorCompareEps(missionPos, installation->pos, UFO_EPSILON)) {
mission->finalDate = ccs.date;
return;
}
/* Make round around the position of the mission */
UFO_SetRandomDestAround(mission->ufo, mission->pos);
mission->finalDate = Date_Add(ccs.date, Date_Random(minAttackDelay, attackDelay));
}
