//------------------------------------------------------------------------------
// requestNextToShoot() -- Requests a specific track to be the next-to-shoot;
// Returns true if successful
//------------------------------------------------------------------------------
bool OnboardComputer::requestNextToShoot(const Track* const nts)
{
bool ok = false;
if (nts != 0) {
// First, let's get the active track list
const unsigned int MAX_TRKS = 20;
SPtr<Track> trackList[MAX_TRKS];
int n = 0;
TrackManager* tm = getTrackManagerByType(typeid(AirTrkMgr));
// fall back to whatever TM we have, if we don't have an AirTrkMgr
if (tm == 0) tm = getTrackManagerByType(typeid(TrackManager));
if (tm != 0) n = tm->getTrackList(trackList,MAX_TRKS);
if (n > 0) {
// try to find the requested track and save its index
int nNTS = -1;
for (int i = 0; i < n && nNTS < 0; i++) {
if (nts == trackList[i]) nNTS = i;
}
// update the shoot list index values in the tracks
if (nNTS >= 0) {
// Start at the next-to-shoot
int idx = nNTS;
for (int i = 0; i < n; i++) {
trackList[idx++]->setShootListIndex(i+1);
if (idx >= n) idx = 0;
}
ok = true;
}
// Update the next to shoot
if (ok) setNextToShoot(trackList[nNTS]);
}
}
return ok;
}
//------------------------------------------------------------------------------
// updateShootList() -- Update the shoot list. When the step flag is true,
// force step to the next target.
//------------------------------------------------------------------------------
void OnboardComputer::updateShootList(const bool step)
{
// Temporary next to shoot indexes
int cNTS = -1; // Current
int nNTS = -1; // New
// First, let's get the active track list
const unsigned int MAX_TRKS = 20;
SPtr<Track> trackList[MAX_TRKS];
int n = 0;
TrackManager* tm = getTrackManagerByType(typeid(AirTrkMgr));
// fall back to whatever TM we have, if we don't have an AirTrkMgr
if (tm == 0) tm = getTrackManagerByType(typeid(TrackManager));
if (tm != 0) n = tm->getTrackList(trackList,MAX_TRKS);
if (n > 0) {
// ---
// Find the current next-to-shoot index
// ---
Track* nts = nextToShoot;
if (nextToShoot != 0) {
for (int i = 0; i < n && cNTS < 0; i++) {
if (nts == trackList[i]) cNTS = i;
}
}
// ---
// Update the next to shoot?
// ---
if (cNTS < 0) {
// 1) When we don't have or couldn't find our NTS, pick the closest track
// that has a valid ground speed.
int i = 0;
do {
if (trackList[i]->getGroundSpeed() >= 1.0f) {
if (nNTS >= 0) {
// is this one closer?
if (trackList[i]->getRange() < trackList[nNTS]->getRange()) {
nNTS = i;
}
}
else {
// only one so far
nNTS = i;
}
}
i = i + 1;
if (i >= n) i = 0;
} while (i != 0);
}
else if (step) {
// 2) When a target step has been requested ...
int i = cNTS + 1;
if (i >= n) i = 0;
do {
if (trackList[i]->getGroundSpeed() >= 50.0f) {
nNTS = i;
}
i = i + 1;
if (i >= n) i = 0;
} while (nNTS < 0 && i != cNTS);
}
else {
// 3) Keep the same next-to-shoot track
nNTS = cNTS;
}
// ---
// update the shoot list index values in the tracks
// ---
if (nNTS >= 0) {
// Start at the next-to-shoot
int idx = nNTS;
for (int i = 0; i < n; i++) {
trackList[idx++]->setShootListIndex(i+1);
if (idx >= n) idx = 0;
}
}
else {
// When there isn't a next to shoot, clear all
for (int i = 0; i < n; i++) trackList[i]->setShootListIndex(0);
}
}
// Update the next to shoot
if (nNTS >= 0) setNextToShoot( trackList[nNTS] );
else setNextToShoot(0);
}
