// Constructor
FGATCDisplay::FGATCDisplay() {
- rep_msg = false;
- change_msg_flag = false;
- dsp_offset1 = 0;
- dsp_offset2 = 0;
+ rep_msg = false;
+ change_msg_flag = false;
+ dsp_offset1 = 0;
+ dsp_offset2 = 0;
}
// update - this actually draws the visuals and should be called from the main Flightgear rendering loop.
void FGATCDisplay::update(double dt) {
-
- // These strings are used for temporary storage of the transmission string in order
- // that the string we view only changes when the next repetition starts scrolling
- // even though the master string (rep_msg_str) may change at any time.
- static string msg1 = "";
- static string msg2 = "";
-
- if(rep_msg) {
- //cout << "dsp_offset1 = " << dsp_offset1 << " dsp_offset2 = " << dsp_offset2 << endl;
- if(dsp_offset1 == 0) {
- msg1 = rep_msg_str;
- }
- if(dsp_offset2 == 0) {
- msg2 = rep_msg_str;
- }
- // Check for the situation where one offset is negative and the message is changed
- if(change_msg_flag) {
- if(dsp_offset1 < 0) {
- msg1 = rep_msg_str;
- } else if(dsp_offset2 < 0) {
- msg2 = rep_msg_str;
- }
- change_msg_flag = false;
- }
-
- float fps = general.get_frame_rate();
-
- //cout << "In FGATC::update()" << endl;
- SGPropertyNode *xsize_node = fgGetNode("/sim/startup/xsize");
- SGPropertyNode *ysize_node = fgGetNode("/sim/startup/ysize");
- int iwidth = xsize_node->getIntValue();
- int iheight = ysize_node->getIntValue();
-
- glMatrixMode( GL_PROJECTION );
- glPushMatrix();
- glLoadIdentity();
- gluOrtho2D( 0, iwidth, 0, iheight );
- glMatrixMode( GL_MODELVIEW );
- glPushMatrix();
- glLoadIdentity();
-
- glDisable( GL_DEPTH_TEST );
- glDisable( GL_LIGHTING );
-
- glColor3f( 0.9, 0.4, 0.2 );
-// guiFnt.drawString( rep_msg_str.c_str(),
-// int(iwidth - guiFnt.getStringWidth(buf) - 10 - (int)dsp_offset),
-// (iheight - 20) );
- guiFnt.drawString( msg1.c_str(),
- int(iwidth - 10 - dsp_offset1),
- (iheight - 20) );
- guiFnt.drawString( msg2.c_str(),
- int(iwidth - 10 - dsp_offset2),
- (iheight - 20) );
- glEnable( GL_DEPTH_TEST );
- glEnable( GL_LIGHTING );
- glMatrixMode( GL_PROJECTION );
- glPopMatrix();
- glMatrixMode( GL_MODELVIEW );
- glPopMatrix();
+ // These strings are used for temporary storage of the transmission string in order
+ // that the string we view only changes when the next repetition starts scrolling
+ // even though the master string (rep_msg_str) may change at any time.
+ static string msg1 = "";
+ static string msg2 = "";
- // Try to scroll at a frame rate independent speed
- // 40 pixels/second looks about right for now
- if(dsp_offset1 >= dsp_offset2) {
- dsp_offset1+=(40.0/fps);
- dsp_offset2 = dsp_offset1 - (rep_msg_str.size() * 10) - 100;
- if(dsp_offset1 > (iwidth + (rep_msg_str.size() * 10)))
- dsp_offset1 = 0;
- } else {
- dsp_offset2+=(40.0/fps);
- dsp_offset1 = dsp_offset2 - (rep_msg_str.size() * 10) - 100;
- if(dsp_offset2 > (iwidth + (rep_msg_str.size() * 10)))
- dsp_offset2 = 0;
- }
-
- }
-
- if(msgList.size()) {
- //cout << "Attempting to render single message\n";
- // We have at least one non-repeating message to process
- msgList_itr = msgList.begin();
- int i = 0;
- while(msgList_itr != msgList.end()) {
- atcMessage m = *msgList_itr;
- //cout << "m.counter = " << m.counter << '\n';
- if(m.counter > m.stop_count) {
- //cout << "Stopping single message\n";
- msgList_itr = msgList.erase(msgList_itr);
- } else if(m.counter > m.start_count) {
- //cout << "Displaying single message\n";
- // Display the message
- // FIXME - I'm sure all this opengl code should only be called once until all drawing is finished
+ if( rep_msg || msgList.size() ) {
+ //cout << "In FGATC::update()" << endl;
SGPropertyNode *xsize_node = fgGetNode("/sim/startup/xsize");
SGPropertyNode *ysize_node = fgGetNode("/sim/startup/ysize");
int iwidth = xsize_node->getIntValue();
int iheight = ysize_node->getIntValue();
+
glMatrixMode( GL_PROJECTION );
glPushMatrix();
glLoadIdentity();
glDisable( GL_DEPTH_TEST );
glDisable( GL_LIGHTING );
-
+
glColor3f( 0.9, 0.4, 0.2 );
-
- guiFnt.drawString( m.msg.c_str(),
- 100,
- (iheight - 40) ); // TODO - relate the distance in that the string is rendered to the string length.
+
+ if(rep_msg) {
+ //cout << "dsp_offset1 = " << dsp_offset1 << " dsp_offset2 = " << dsp_offset2 << endl;
+ if(dsp_offset1 == 0) {
+ msg1 = rep_msg_str;
+ }
+ if(dsp_offset2 == 0) {
+ msg2 = rep_msg_str;
+ }
+ // Check for the situation where one offset is negative and the message is changed
+ if(change_msg_flag) {
+ if(dsp_offset1 < 0) {
+ msg1 = rep_msg_str;
+ } else if(dsp_offset2 < 0) {
+ msg2 = rep_msg_str;
+ }
+ change_msg_flag = false;
+ }
+
+ float fps = general.get_frame_rate();
+
+ // guiFnt.drawString( rep_msg_str.c_str(),
+ // int(iwidth - guiFnt.getStringWidth(buf) - 10 - (int)dsp_offset),
+ // (iheight - 20) );
+ guiFnt.drawString( msg1.c_str(),
+ int(iwidth - 10 - dsp_offset1),
+ (iheight - 20) );
+ guiFnt.drawString( msg2.c_str(),
+ int(iwidth - 10 - dsp_offset2),
+ (iheight - 20) );
+
+ // Try to scroll at a frame rate independent speed
+ // 40 pixels/second looks about right for now
+ if(dsp_offset1 >= dsp_offset2) {
+ dsp_offset1+=(40.0/fps);
+ dsp_offset2 = dsp_offset1 - (rep_msg_str.size() * 10) - 100;
+ if(dsp_offset1 > (iwidth + (rep_msg_str.size() * 10)))
+ dsp_offset1 = 0;
+ } else {
+ dsp_offset2+=(40.0/fps);
+ dsp_offset1 = dsp_offset2 - (rep_msg_str.size() * 10) - 100;
+ if(dsp_offset2 > (iwidth + (rep_msg_str.size() * 10)))
+ dsp_offset2 = 0;
+ }
+
+ }
+
+ if(msgList.size()) {
+ //cout << "Attempting to render single message\n";
+ // We have at least one non-repeating message to process
+ msgList_itr = msgList.begin();
+ int i = 0;
+ while(msgList_itr != msgList.end()) {
+ atcMessage m = *msgList_itr;
+ //cout << "m.counter = " << m.counter << '\n';
+ if(m.counter > m.stop_count) {
+ //cout << "Stopping single message\n";
+ msgList_itr = msgList.erase(msgList_itr);
+ } else if(m.counter > m.start_count) {
+ guiFnt.drawString( m.msg.c_str(),
+ 100,
+ (iheight - 40) ); // TODO - relate the distance in that the string is rendered to the string length.
+ ++m.counter;
+ msgList[i] = m;
+ ++msgList_itr;
+ ++i;
+ } else {
+ ++m.counter;
+ msgList[i] = m;
+ ++msgList_itr;
+ ++i;
+ }
+ }
+ }
glEnable( GL_DEPTH_TEST );
glEnable( GL_LIGHTING );
glMatrixMode( GL_PROJECTION );
glPopMatrix();
glMatrixMode( GL_MODELVIEW );
glPopMatrix();
- ++m.counter;
- msgList[i] = m;
- ++msgList_itr;
- ++i;
- } else {
- ++m.counter;
- msgList[i] = m;
- ++msgList_itr;
- ++i;
- }
}
- }
}
void FGATCDisplay::RegisterSingleMessage(string msg, int delay) {
- atcMessage m;
- m.msg = msg;
- m.repeating = false;
- m.counter = 0;
- m.start_count = delay * 30; // Fixme - need to use actual FPS
- m.stop_count = m.start_count + 100; // Display for 3 - 5 seconds for now - this might have to change eg. be related to length of message in future
- //cout << "m.stop_count = " << m.stop_count << '\n';
- m.id = 0;
-
- msgList.push_back(m);
- //cout << "Single message registered\n";
+ atcMessage m;
+ m.msg = msg;
+ m.repeating = false;
+ m.counter = 0;
+ m.start_count = delay * 30; // Fixme - need to use actual FPS
+ m.stop_count = m.start_count + 100; // Display for 3 - 5 seconds for now - this might have to change eg. be related to length of message in future
+ //cout << "m.stop_count = " << m.stop_count << '\n';
+ m.id = 0;
+
+ msgList.push_back(m);
+ //cout << "Single message registered\n";
}
void FGATCDisplay::RegisterRepeatingMessage(string msg) {
- rep_msg = true;
- rep_msg_str = msg;
- return;
+ rep_msg = true;
+ rep_msg_str = msg;
+ return;
}
void FGATCDisplay::ChangeRepeatingMessage(string newmsg) {
- rep_msg_str = newmsg;
- change_msg_flag = true;
- return;
+ rep_msg_str = newmsg;
+ change_msg_flag = true;
+ return;
}
void FGATCDisplay::CancelRepeatingMessage() {
- rep_msg = false;
- rep_msg_str = "";
- dsp_offset1 = 0;
- dsp_offset2 = 0;
- return;
+ rep_msg = false;
+ rep_msg_str = "";
+ dsp_offset1 = 0;
+ dsp_offset2 = 0;
+ return;
}
+
projects / flightgear.git / commitdiff