//------------------------------------------------------------------------------
// addSymbol() - adds a symbol to our array list;
// -- return the symbol's index; range [ 1 .. getMaxSymbols() ]
// or zero if not added.
//------------------------------------------------------------------------------
int SymbolLoader::addSymbol(const int nType, const char* const id, int specName)
{
int idx = 0;
if (templates != 0) {
// Find the graphic template for this type symbol, and make
// sure that the template is a BasicGL::Graphic, since it
// will be use as the symbol's graphical component.
Basic::Pair* tpair = templates->getPosition(nType);
if (tpair != 0) {
BasicGL::Graphic* tg = dynamic_cast<BasicGL::Graphic*>(tpair->object());
if (tg != 0) {
// Find an empty symbol slot in our master symbol table
for (int i = 0; i < MAX_SYMBOLS && idx == 0; i++) {
if ( symbols[i] == 0 ) {
// Create a new SlSymbol object to manage this symbol.
symbols[i] = symbolFactory();
// Clone the graphic template and set it as the
// symbol's graphical component.
Basic::Pair* newPair = tpair->clone();
BasicGL::Graphic* newGraph = (BasicGL::Graphic*)(newPair->object());
// Set the new graphical component's select name
GLuint mySelName = 0;
if (specName > 0) mySelName = specName;
else mySelName = BasicGL::Graphic::getNewSelectName();
newGraph->setSelectName(mySelName);
// Add the symbol's graphical component to our component list.
{
Basic::PairStream* comp = getComponents();
Basic::Component::processComponents(comp, typeid(BasicGL::Graphic), newPair);
if (comp != 0) comp->unref();
}
// Set the symbol's graphical component pointer
symbols[i]->setSymbolPair( newPair );
newPair->unref(); // symbol[i] now owns it.
// Set the symbol's type and ID.
symbols[i]->setType( nType );
symbols[i]->setId( id );
// And this is the new symbol's index
idx = (i + 1);
}
}
}
}
}
return idx;
}
//------------------------------------------------------------------------------
// setSymbolType() - change an existing symbol type to another type
//------------------------------------------------------------------------------
bool SymbolLoader::setSymbolType(const int idx, const int nType)
{
bool ok = false;
// Find the symbol
if (idx >= 1 && idx <= MAX_SYMBOLS) {
const int i = (idx - 1);
if (symbols[i] != 0) {
// Find the graphic template for this type symbol, and make
// sure that the template is a BasicGL::Graphic, since it
// will be use as the symbol's graphical component.
if (templates != 0) {
Basic::Pair* tpair = templates->getPosition(nType);
if (tpair != 0) {
BasicGL::Graphic* tg = dynamic_cast<BasicGL::Graphic*>(tpair->object());
if (tg != 0) {
// Get the symbol's old graphical component
Basic::Pair* oldPair = (Basic::Pair*) symbols[i]->getSymbolPair();
BasicGL::Graphic* oldG = (BasicGL::Graphic*) (oldPair->object());
// Clone the new graphical component from the template
Basic::Pair* newPair = tpair->clone();
// Set the new graphical component's select name using the old's
BasicGL::Graphic* newGraph = (BasicGL::Graphic*) newPair->object();
GLuint mySelName = oldG->getSelectName();
newGraph->setSelectName(mySelName);
// Add the new and remove the old components from our subcomponent list
{
Basic::PairStream* comp = getComponents();
Basic::Component::processComponents(comp, typeid(BasicGL::Graphic), newPair, oldG);
if (comp != 0) comp->unref();
}
// Set the symbol's graphical component pointer
symbols[i]->setSymbolPair( newPair );
newPair->unref(); // symbol[i] now owns it.
// Set new type
symbols[i]->setType( nType );
ok = true;
}
}
}
}
}
return ok;
}
//------------------------------------------------------------------------------
// build() -- build the table in our components list
//------------------------------------------------------------------------------
void Table::build()
{
Basic::PairStream* newList = 0;
if (rows > 0 && columns != 0) {
newList = new Basic::PairStream();
// For each row: create a TableRow containing all the items in 'columns'
for (unsigned int i = 1; i <= rows; i++) {
// new row
TableRow* row = new TableRow();
row->container(this);
const Basic::List::Item* item = columns->getFirstItem();
while (item != 0) {
const Basic::Pair* pair = static_cast<const Basic::Pair*>(item->getValue());
const Basic::Object* obj = pair->object();
if (obj->isClassType(typeid(BasicGL::Graphic))) {
Basic::Pair* pp = pair->clone();
BasicGL::Graphic* gobj = static_cast<BasicGL::Graphic*>(pp->object());
gobj->container(row);
row->put(pp);
pp->unref();
}
item = item->getNext();
}
// put the row on our components list with a slotname equal to its row number
{
char cbuf[8];
sprintf(cbuf,"%d",i);
Basic::Pair* pp = new Basic::Pair(cbuf,row);
newList->put(pp);
pp->unref();
}
row->unref();
}
// Position our subcomponents
position();
}
// These are new our subcomponents ...
processComponents(newList,typeid(Basic::Component));
if (newList != 0) newList->unref();
}
// Rotary - we do this "pre-draw" of all of our possible selections, that will
// eliminate the "flicker" on the first selection of the item, because we will have
// already drawn the item one time before (here).
void Rotary::draw()
{
if (preDrawSelectList) {
int start = 1;
Basic::Pair* p = findByIndex(start);
while (p != 0) {
BasicGL::Graphic* g = dynamic_cast<BasicGL::Graphic*>(p->object());
if (g != 0) g->draw();
p = findByIndex(++start);
}
preDrawSelectList = false;
}
BaseClass::draw();
}
//------------------------------------------------------------------------------
// Updates the value of the named NumericReadout type subcomponent
//------------------------------------------------------------------------------
bool SymbolLoader::updateSymbolText(const int idx, const char* name, const LCreal x)
{
bool ok = false;
// Find the symbol
if (idx >= 1 && idx <= MAX_SYMBOLS) {
const int i = (idx - 1);
if(symbols[i] != 0) {
// Get its graphical component
Basic::Pair* p = (Basic::Pair*)symbols[i]->getSymbolPair();
if (p != 0) {
BasicGL::Graphic* g = dynamic_cast<BasicGL::Graphic*>(p->object());
if (g != 0) {
// If we were passed a name then use it to find the subcomponent
// and change 'g' to point to the subcomponent instead.
if (name != 0) {
Basic::Pair* spair = g->findByName(name);
if (spair != 0) {
// subcomponent found by name
g = (BasicGL::Graphic*)(spair->object());
}
else {
// no subcomponent was found by that name
g = 0;
}
}
if (g != 0) {
// Have a graphic, but make sure it's a numeric readout
BasicGL::NumericReadout* text = dynamic_cast<BasicGL::NumericReadout*>(g);
if (text != 0) {
// It's a NumericReadout type, so update its value
text->setValue(x);
ok = true;
}
}
}
}
}
}
return ok;
}
//------------------------------------------------------------------------------
// Updates the text of the named AsciiText type subcomponent
//------------------------------------------------------------------------------
bool SymbolLoader::updateSymbolText(const int idx, const char* name, const char newString[])
{
bool ok = false;
// Find the symbol
if (idx >= 1 && idx <= MAX_SYMBOLS) {
const int i = (idx - 1);
if (symbols[i] != nullptr) {
// Get its graphical component
Basic::Pair* p = static_cast<Basic::Pair*>(symbols[i]->getSymbolPair());
if (p != nullptr) {
BasicGL::Graphic* g = static_cast<BasicGL::Graphic*>(p->object());
if (g != nullptr) {
// If we were passed a name then use it to find the subcomponent
// and change 'g' to point to the subcomponent instead.
if (name != nullptr) {
Basic::Pair* spair = g->findByName(name);
if (spair != nullptr) {
// subcomponent found by name
g = static_cast<BasicGL::Graphic*>(spair->object());
}
else {
// no subcomponent was found by that name
g = nullptr;
}
}
if (g != nullptr) {
// Have a graphic, but make sure it's an AsciiText
BasicGL::AsciiText* text = dynamic_cast<BasicGL::AsciiText*>(g);
if (text != nullptr) {
// It's an AsciiText, so change the its text string.
text->setText(newString);
ok = true;
}
}
}
}
}
}
return ok;
}
//------------------------------------------------------------------------------
// Update the symbol's select name
//------------------------------------------------------------------------------
bool SymbolLoader::updateSymbolSelectName(const int idx, const int newSN)
{
bool ok = false;
if (idx >= 1 && idx <= MAX_SYMBOLS) {
const int i = (idx - 1);
if (symbols[i] != 0) {
Basic::Pair* pair = (Basic::Pair*)symbols[i]->getSymbolPair();
if (pair != 0) {
BasicGL::Graphic* graphic = (BasicGL::Graphic*)(pair->object());
if (graphic != 0) graphic->setSelectName(newSN);
}
ok = true;
}
}
return ok;
}
//------------------------------------------------------------------------------
// setSymbolVisible() - set symbol visible / invisible
//------------------------------------------------------------------------------
bool SymbolLoader:: setSymbolVisible(const int idx, const char* name, bool visibility)
{
bool ok = false;
// Find the symbol
if (idx >= 1 && idx <= MAX_SYMBOLS) {
const int i = (idx - 1);
if (symbols[i] != 0) {
// if no name is passed, the symbol is invisible, otherwise just
// parts are
if (name == 0) symbols[i]->setVisible(visibility);
// Get its graphical component
Basic::Pair* p = symbols[i]->getSymbolPair();
if (p != 0) {
BasicGL::Graphic* g = (BasicGL::Graphic*)(p->object());
if (g != 0) {
// If we were passed a name then use it to find the subcomponent
// and change 'g' to point to the subcomponent instead.
if (name != 0) {
Basic::Pair* spair = g->findByName(name);
if (spair != 0) {
// subcomponent found by name
g = (BasicGL::Graphic*)(spair->object());
}
else {
// no subcomponent was found by that name
g = 0;
}
}
// Set the visibility (if we found one)
if (g != 0) ok = g->setVisibility(visibility);
}
}
}
}
return ok;
}
//------------------------------------------------------------------------------
// update the symbol's color based on Identifier
//------------------------------------------------------------------------------
bool SymbolLoader::setSymbolColor(const int idx, const char* name, const Basic::Identifier* cname)
{
bool ok = false;
// Find the symbol
if (idx >= 1 && idx <= MAX_SYMBOLS) {
const int i = (idx - 1);
if(symbols[i] != 0) {
// Get its graphical component
Basic::Pair* p = (Basic::Pair*)symbols[i]->getSymbolPair();
if (p != 0) {
BasicGL::Graphic* g = dynamic_cast<BasicGL::Graphic*>(p->object());
if (g != 0) {
// If we were passed a name then use it to find the subcomponent
// and change 'g' to point to the subcomponent instead.
if (name != 0) {
Basic::Pair* spair = g->findByName(name);
if (spair != 0) {
// subcomponent found by name
g = (BasicGL::Graphic*)(spair->object());
}
else {
// no subcomponent was found by that name
g = 0;
}
}
// Set the color (if we found one)
if (g != 0) ok = g->setColor(cname);
}
}
}
}
return ok;
}
//------------------------------------------------------------------------------
// setSymbolFlashRate() - set symbol and child components flashing
//------------------------------------------------------------------------------
bool SymbolLoader::setSymbolFlashRate(const int idx, const char* name, const LCreal flashRate )
{
bool ok = false;
// Find the symbol
if (idx >= 1 && idx <= MAX_SYMBOLS) {
const int i = (idx - 1);
if (symbols[i] != nullptr) {
// Get its graphical component
Basic::Pair* p = symbols[i]->getSymbolPair();
if (p != nullptr) {
BasicGL::Graphic* g = static_cast<BasicGL::Graphic*>(p->object());
if (g != nullptr) {
// If we were passed a name then use it to find the subcomponent
// and change 'g' to point to the subcomponent instead.
if (name != nullptr) {
Basic::Pair* spair = g->findByName(name);
if (spair != nullptr) {
// subcomponent found by name
g = static_cast<BasicGL::Graphic*>(spair->object());
}
else {
// no subcomponent was found by that name
g = nullptr;
}
}
// Set the flash rate (if we found one)
if (g != nullptr) ok = g->setFlashRate(flashRate);
}
}
}
}
return ok;
}
//------------------------------------------------------------------------------
// draw() - draw the objects in their proper place
//------------------------------------------------------------------------------
void SymbolLoader::draw()
{
if (isVisible()) {
// Y Displacement (ie, decentered)
LCreal displacement = 0;
if (!getCentered()) displacement = getDisplacement();
// Radius (ie., range)
LCreal radius = 0;
if (!getCentered()) radius = getOuterRadiusDC();
else radius = getOuterRadius();
LCreal radius2 = radius * radius;
// ---
// Setup the drawing parameters for all of our symbols ...
// ---
for (int i = 0; i < MAX_SYMBOLS; i++) {
if (symbols[i] != 0) {
// When the symbol visibility flag is true ...
if (symbols[i]->isVisible()) {
// Get the pointer to the symbol's graphical component
Basic::Pair* p = symbols[i]->getSymbolPair();
BasicGL::Graphic* g = (BasicGL::Graphic*)p->object();
// We need the symbol's position in screen coordinates (inches) ...
LCreal xScn = (LCreal) symbols[i]->getScreenXPos();
LCreal yScn = (LCreal) symbols[i]->getScreenYPos();
if ( !(symbols[i]->isPositionScreen()) ) {
// But when we were not give screen coordinates,
// we'll need to compute them from A/C coordinates
LCreal acX = 0.0;
LCreal acY = 0.0;
// 1) when given A/C coordinates ...
if ( symbols[i]->isPositionAC() ) {
acX = (LCreal) symbols[i]->getXPosition();
acY = (LCreal) symbols[i]->getYPosition();
}
// 2) when given NED or L/L coordinates ..
else {
LCreal north = 0;
LCreal east = 0;
if (symbols[i]->isPositionLL()) {
// 2a) we were give L/L so convert to NED coordinates
double lat = symbols[i]->getXPosition();
double lon = symbols[i]->getYPosition();
latLon2Earth(lat, lon, &north, &east);
}
else {
// 2b) we were give NED coordinates
north = (LCreal) symbols[i]->getXPosition();
east = (LCreal) symbols[i]->getYPosition();
}
// 2c) convert the NED coordinates to aircraft coordinates
earth2Aircraft(north, east, &acX, &acY);
}
// 3) Convert the aircraft coordinates to screen coordinates
aircraft2Screen(acX, acY, &xScn, &yScn);
// 4) Save the screen coordinates (inches)
symbols[i]->setXScreenPos(xScn);
symbols[i]->setYScreenPos(yScn);
}
// In range? Do we care?
bool inRange = !showInRangeOnly || (((xScn * xScn) + (yScn * yScn)) <= radius2);
if (inRange) {
// set symbol's visibility
g->setVisibility(true);
// and set the symbol's position
g->lcSaveMatrix();
g->lcTranslate(xScn, yScn + displacement);
// pass the argument value to the symbol (if needed)
if (symbols[i]->getValue() != 0) {
g->event(UPDATE_VALUE, symbols[i]->getValue());
}
// rotate the symbol's heading subcomponent (if needed)
// -- sending a 'Z' rotation event to a component named 'hdg'
if (symbols[i]->isHeadingValid()) {
BasicGL::Graphic* phdg = symbols[i]->getHdgGraphics();
if (phdg == 0) {
Basic::Pair* hpair = (Basic::Pair*) g->findByName("hdg");
if (hpair != 0) {
phdg = dynamic_cast<Graphic*>(hpair->object());
symbols[i]->setHdgGraphics(phdg);
}
}
if (phdg != 0) {
Basic::Degrees* angObj = symbols[i]->getHdgAngleObj();
if (angObj == 0) {
angObj = new Basic::Degrees();
symbols[i]->setHdgAngleObj(angObj);
}
double relHeading = symbols[i]->getHeadingDeg() - getHeadingDeg();
angObj->set(-relHeading);
phdg->event(UPDATE_VALUE6, angObj);
}
}
}
else {
// out of range, so clear the graphical component's visibility flag
g->setVisibility(false);
}
}
// When the symbol visibility flag is false ...
else {
Basic::Pair* p = symbols[i]->getSymbolPair();
BasicGL::Graphic* g = (BasicGL::Graphic*)p->object();
g->setVisibility(false);
}
}
}
// ---
// Let our base class handle the drawing
// ---
BaseClass::draw();
// ---
// now restore the matrices on all of our graphical components
// ---
for (int i = 0; i < MAX_SYMBOLS; i++) {
if (symbols[i] != 0) {
Basic::Pair* p = symbols[i]->getSymbolPair();
BasicGL::Graphic* g = (BasicGL::Graphic*)p->object();
if (g->isVisible()) g->lcRestoreMatrix();
}
}
}
}