/**
* @brief Decide what an attacking aircraft can do.
* @param[in] campaign The campaign data structure
* @param[in] shooter The aircraft we attack with.
* @param[in] target The ufo we are going to attack.
* @todo Implement me and display an attack popup.
*/
void AIRFIGHT_ExecuteActions (const campaign_t* campaign, aircraft_t* shooter, aircraft_t* target)
{
/* some asserts */
assert(shooter);
assert(target);
/* Check if the attacking aircraft can shoot */
const int slotIdx = AIRFIGHT_ChooseWeapon(shooter->weapons, shooter->maxWeapons, shooter->pos, target->pos);
/* if weapon found that can shoot */
if (slotIdx >= AIRFIGHT_WEAPON_CAN_SHOOT) {
aircraftSlot_t* weaponSlot = &shooter->weapons[slotIdx];
const objDef_t* ammo = weaponSlot->ammo;
/* shoot */
if (AIRFIGHT_AddProjectile(nullptr, nullptr, shooter, target, weaponSlot)) {
/* will we miss the target ? */
const float probability = frand();
Com_DPrintf(DEBUG_CLIENT, "AIRFIGHT_ExecuteActions: %s - Random probability to hit: %f\n", shooter->name, probability);
weaponSlot->delayNextShot = ammo->craftitem.weaponDelay;
const float calculatedProbability = AIRFIGHT_ProbabilityToHit(shooter, target, shooter->weapons + slotIdx);
Com_DPrintf(DEBUG_CLIENT, "AIRFIGHT_ExecuteActions: %s - Calculated probability to hit: %f\n", shooter->name, calculatedProbability);
if (probability > calculatedProbability)
AIRFIGHT_MissTarget(&ccs.projectiles[ccs.numProjectiles - 1]);
if (shooter->type != AIRCRAFT_UFO) {
/* Maybe UFO is going to shoot back ? */
UFO_CheckShootBack(campaign, target, shooter);
} else {
/* an undetected UFO within radar range and firing should become detected */
if (!shooter->detected && RADAR_CheckRadarSensored(shooter->pos)) {
/* stop time and notify */
MSO_CheckAddNewMessage(NT_UFO_ATTACKING, _("Notice"), va(_("A UFO is shooting at %s"), target->name));
RADAR_AddDetectedUFOToEveryRadar(shooter);
UFO_DetectNewUFO(shooter);
}
}
}
} else if (slotIdx == AIRFIGHT_WEAPON_CAN_NOT_SHOOT_AT_THE_MOMENT) {
/* no ammo to fire atm (too far or reloading), pursue target */
if (shooter->type == AIRCRAFT_UFO) {
/** @todo This should be calculated only when target destination changes, or when aircraft speed changes.
* @sa AIR_GetDestination */
UFO_SendPursuingAircraft(shooter, target);
} else
AIR_SendAircraftPursuingUFO(shooter, target);
} else {
/* no ammo left, or no weapon, proceed with mission */
if (shooter->type == AIRCRAFT_UFO) {
shooter->aircraftTarget = nullptr; /* reset target */
CP_UFOProceedMission(campaign, shooter);
} else {
MS_AddNewMessage(_("Notice"), _("Our aircraft has no more ammo left - returning to home base now."));
AIR_AircraftReturnToBase(shooter);
}
}
}
/**
* @brief Set all projectile aiming a given aircraft to an idle destination.
* @param[in] aircraft Pointer to the aimed aircraft.
* @note This function is called when @c aircraft is destroyed.
* @sa AIRFIGHT_ActionsAfterAirfight
*/
void AIRFIGHT_RemoveProjectileAimingAircraft (const aircraft_t * aircraft)
{
aircraftProjectile_t *projectile;
int idx = 0;
if (!aircraft)
return;
for (projectile = ccs.projectiles; idx < ccs.numProjectiles; projectile++, idx++) {
if (projectile->aimedAircraft == aircraft)
AIRFIGHT_MissTarget(projectile, qtrue);
}
}
/**
* @brief Check if one type of battery (missile or laser) can shoot now.
* @param[in] installation Pointer to the firing intallation.
* @param[in] weapons The installation weapon to check and fire.
*/
static void AIRFIGHT_InstallationShoot (const installation_t *installation, baseWeapon_t *weapons, int maxWeapons)
{
int i, test;
float distance;
for (i = 0; i < maxWeapons; i++) {
aircraft_t *target = weapons[i].target;
aircraftSlot_t *slot = &(weapons[i].slot);
/* if no target, can't shoot */
if (!target)
continue;
/* If the weapon is not ready in base, can't shoot. */
if (slot->installationTime > 0)
continue;
/* if weapon is reloading, can't shoot */
if (slot->delayNextShot > 0)
continue;
/* check that the ufo is still visible */
if (!UFO_IsUFOSeenOnGeoscape(target)) {
weapons[i].target = NULL;
continue;
}
/* Check if we can still fire on this target. */
distance = GetDistanceOnGlobe(installation->pos, target->pos);
test = AIRFIGHT_CheckWeapon(slot, distance);
/* weapon unable to shoot, reset target */
if (test == AIRFIGHT_WEAPON_CAN_NEVER_SHOOT) {
weapons[i].target = NULL;
continue;
}
/* we can't shoot with this weapon atm, wait to see if UFO comes closer */
else if (test == AIRFIGHT_WEAPON_CAN_NOT_SHOOT_AT_THE_MOMENT)
continue;
/* target is too far, wait to see if UFO comes closer */
else if (distance > slot->ammo->craftitem.stats[AIR_STATS_WRANGE])
continue;
/* shoot */
if (AIRFIGHT_AddProjectile(NULL, installation, NULL, target, slot)) {
slot->delayNextShot = slot->ammo->craftitem.weaponDelay;
/* will we miss the target ? */
if (frand() > AIRFIGHT_ProbabilityToHit(NULL, target, slot))
AIRFIGHT_MissTarget(&ccs.projectiles[ccs.numProjectiles - 1], qfalse);
}
}
}
/**
* @brief Set all projectile aiming a given aircraft to an idle destination.
* @param[in] aircraft Pointer to the aimed aircraft.
* @note This function is called when @c aircraft is destroyed.
* @sa AIRFIGHT_ActionsAfterAirfight
*/
void AIRFIGHT_RemoveProjectileAimingAircraft (const aircraft_t* aircraft)
{
aircraftProjectile_t* projectile;
int idx = 0;
if (!aircraft)
return;
for (projectile = ccs.projectiles; idx < ccs.numProjectiles; projectile++, idx++) {
if (projectile->aimedAircraft != aircraft)
continue;
AIRFIGHT_MissTarget(projectile);
if (projectile->attackingAircraft && projectile->attackingAircraft->homebase) {
assert(!AIR_IsUFO(projectile->attackingAircraft));
AIR_AircraftReturnToBase(projectile->attackingAircraft);
}
}
}