348ac42c90
subsystem to Flightgear. No more functionality is implemented than at present (apart from an ATIS bug-fix - station wouldn't change if the radio was switched directly from one station to another) but it is much neater than the current hack and should be easily extendable. Some cruft is still probably left over in radiostack.[ch]xx such as the bindings to the comm frequencies but I'll leave removing those until I'm sure they're not needed there.
156 lines
4.1 KiB
C++
156 lines
4.1 KiB
C++
// ATCdisplay.cxx - routines to display ATC output - graphically for now
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//
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// Written by David Luff, started October 2001.
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//
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// Copyright (C) 2001 David C Luff - david.luff@nottingham.ac.uk
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <simgear/misc/props.hxx>
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#include <Include/general.hxx>
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#include <Main/fg_props.hxx>
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#include <GUI/gui.h>
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#include "ATCdisplay.hxx"
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// Constructor
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FGATCDisplay::FGATCDisplay() {
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rep_msg = false;
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change_msg_flag = false;
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dsp_offset1 = 0;
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dsp_offset2 = 0;
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}
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// Destructor
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FGATCDisplay::~FGATCDisplay() {
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}
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void FGATCDisplay::init() {
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}
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void FGATCDisplay::bind() {
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}
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void FGATCDisplay::unbind() {
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}
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// update - this actually draws the visuals and should be called from the main Flightgear rendering loop.
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void FGATCDisplay::update(int dt) {
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// These strings are used for temporary storage of the transmission string in order
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// that the string we view only changes when the next repetition starts scrolling
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// even though the master string (rep_msg_str) may change at any time.
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static string msg1 = "";
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static string msg2 = "";
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if(rep_msg) {
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//cout << "dsp_offset1 = " << dsp_offset1 << " dsp_offset2 = " << dsp_offset2 << endl;
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if(dsp_offset1 == 0) {
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msg1 = rep_msg_str;
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}
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if(dsp_offset2 == 0) {
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msg2 = rep_msg_str;
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}
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// Check for the situation where one offset is negative and the message is changed
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if(change_msg_flag) {
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if(dsp_offset1 < 0) {
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msg1 = rep_msg_str;
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} else if(dsp_offset2 < 0) {
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msg2 = rep_msg_str;
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}
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change_msg_flag = false;
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}
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float fps = general.get_frame_rate();
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//cout << "In FGATC::update()" << endl;
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SGPropertyNode *xsize_node = fgGetNode("/sim/startup/xsize");
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SGPropertyNode *ysize_node = fgGetNode("/sim/startup/ysize");
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int iwidth = xsize_node->getIntValue();
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int iheight = ysize_node->getIntValue();
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glMatrixMode( GL_PROJECTION );
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glPushMatrix();
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glLoadIdentity();
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gluOrtho2D( 0, iwidth, 0, iheight );
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glMatrixMode( GL_MODELVIEW );
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glPushMatrix();
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glLoadIdentity();
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glDisable( GL_DEPTH_TEST );
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glDisable( GL_LIGHTING );
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glColor3f( 0.9, 0.4, 0.2 );
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// guiFnt.drawString( rep_msg_str.c_str(),
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// int(iwidth - guiFnt.getStringWidth(buf) - 10 - (int)dsp_offset),
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// (iheight - 20) );
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guiFnt.drawString( msg1.c_str(),
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int(iwidth - 10 - dsp_offset1),
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(iheight - 20) );
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guiFnt.drawString( msg2.c_str(),
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int(iwidth - 10 - dsp_offset2),
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(iheight - 20) );
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glEnable( GL_DEPTH_TEST );
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glEnable( GL_LIGHTING );
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glMatrixMode( GL_PROJECTION );
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glPopMatrix();
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glMatrixMode( GL_MODELVIEW );
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glPopMatrix();
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// Try to scroll at a frame rate independent speed
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// 40 pixels/second looks about right for now
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if(dsp_offset1 >= dsp_offset2) {
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dsp_offset1+=(40.0/fps);
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dsp_offset2 = dsp_offset1 - (rep_msg_str.size() * 10) - 100;
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if(dsp_offset1 > (iwidth + (rep_msg_str.size() * 10)))
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dsp_offset1 = 0;
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} else {
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dsp_offset2+=(40.0/fps);
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dsp_offset1 = dsp_offset2 - (rep_msg_str.size() * 10) - 100;
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if(dsp_offset2 > (iwidth + (rep_msg_str.size() * 10)))
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dsp_offset2 = 0;
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}
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}
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}
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void FGATCDisplay::RegisterRepeatingMessage(string msg) {
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rep_msg = true;
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rep_msg_str = msg;
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return;
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}
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void FGATCDisplay::ChangeRepeatingMessage(string newmsg) {
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rep_msg_str = newmsg;
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change_msg_flag = true;
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return;
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}
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void FGATCDisplay::CancelRepeatingMessage() {
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rep_msg = false;
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rep_msg_str = "";
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dsp_offset1 = 0;
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dsp_offset2 = 0;
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return;
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}
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