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Add code to draw AI ships on the map widget (useful for carrier ops.)

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An AI Tanker requested from the AI menu has an id of -2, so change the code to
only ignore AI models with an ID of -1.
This commit is contained in:
Curtis L. Olson 2011-01-07 13:05:47 -06:00
parent 9337584df0
commit 7fb8114feb
1 changed files with 41 additions and 1 deletions
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42
src/GUI/MapWidget.cxx
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@ -1318,7 +1318,7 @@ void MapWidget::drawTraffic()
for (int i = 0; i < ai->nChildren(); ++i) {
const SGPropertyNode *model = ai->getChild(i);
// skip bad or dead entries
if (!model || model->getIntValue("id", -1) < 0) {
if (!model || model->getIntValue("id", -1) == -1) {
continue;
}
@ -1392,7 +1392,47 @@ void MapWidget::drawAIAircraft(const SGPropertyNode* model, const SGGeod& pos, d
void MapWidget::drawAIShip(const SGPropertyNode* model, const SGGeod& pos, double hdg)
{
SGVec2d p = project(pos);
glColor3f(0.0, 0.0, 0.0);
glLineWidth(2.0);
circleAt(p, 4, 6.0); // black diamond
// draw heading vector
int speedKts = static_cast<int>(model->getDoubleValue("velocities/true-airspeed-kt"));
if (speedKts > 1) {
glLineWidth(1.0);
const double dt = 15.0 / (3600.0); // 15 seconds look-ahead
double distanceM = speedKts * SG_NM_TO_METER * dt;
SGGeod advance;
double az2;
SGGeodesy::direct(pos, hdg, distanceM, advance, az2);
drawLine(p, project(advance));
}
if (validDataForKey((void*) model)) {
setAnchorForKey((void*) model, p);
return;
}
// draw callsign / altitude / speed
char buffer[1024];
::snprintf(buffer, 1024, "%s\n%d'\n%dkts",
model->getStringValue("callsign", "<>"),
static_cast<int>(pos.getElevationFt() / 50.0) * 50,
speedKts);
MapData* d = createDataForKey((void*) model);
d->setText(buffer);
d->setLabel(model->getStringValue("callsign", "<>"));
d->setPriority(speedKts > 5 ? 60 : 10); // low priority for parked aircraft
d->setOffset(MapData::VALIGN_CENTER | MapData::HALIGN_LEFT, 10);
d->setAnchor(p);
}
SGVec2d MapWidget::project(const SGGeod& geod) const