+++ /dev/null
-// NasalDisplay.cxx - routines to display Nasal output
-//
-// Written by David Luff, started October 2001.
-//
-// Copyright (C) 2001 David C Luff - david.luff@nottingham.ac.uk
-//
-// This program is free software; you can redistribute it and/or
-// modify it under the terms of the GNU General Public License as
-// published by the Free Software Foundation; either version 2 of the
-// License, or (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful, but
-// WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-// General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program; if not, write to the Free Software
-// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#ifdef HAVE_WINDOWS_H
-# include <windows.h>
-#endif
-
-#include <simgear/compiler.h>
-
-#include SG_GLU_H
-
-#include <simgear/props/props.hxx>
-
-#include <Include/general.hxx>
-#include <Main/fg_props.hxx>
-#include <GUI/gui.h>
-
-#include "NasalDisplay.hxx"
-
-
-// Constructor
-FGNasalDisplay::FGNasalDisplay() {
- rep_msg = false;
- change_msg_flag = false;
- dsp_offset1 = 0.0;
- dsp_offset2 = 0.0;
-}
-
-
-// Destructor
-FGNasalDisplay::~FGNasalDisplay() {
-}
-
-void FGNasalDisplay::init() {
-}
-
-void FGNasalDisplay::bind() {
-}
-
-void FGNasalDisplay::unbind() {
-}
-
-// update - this actually draws the visuals and should be called from the main Flightgear rendering loop.
-void FGNasalDisplay::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 || msgList.size() ) {
- 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 );
-
- float fps = general.get_frame_rate();
-
- 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;
- }
-
- // 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
- if(fgGetBool("/ATC/display/scroll-single-messages")) { // Scroll single messages across the screen.
- msgList_itr = msgList.begin();
- int i = 0;
- while(msgList_itr != msgList.end()) {
- nasalMessage m = *msgList_itr;
- //cout << "m.counter = " << m.counter << '\n';
- if(m.dsp_offset > (iwidth + (m.msg.size() * 10))) {
- //cout << "Stopping single message\n";
- msgList_itr = msgList.erase(msgList_itr);
- } else if(m.counter > m.start_count) {
- //cout << "Drawing single message\n";
- guiFnt.drawString( m.msg.c_str(),
- int(iwidth - 10 - m.dsp_offset),
- (iheight - 80) );
- m.counter += dt;
- m.dsp_offset += (80.0/fps);
- msgList[i] = m;
- ++msgList_itr;
- ++i;
- } else {
- //cout << "Not yet started single message\n";
- m.counter += dt;
- msgList[i] = m;
- ++msgList_itr;
- ++i;
- }
- }
- } else { // Display single messages for a short period of time.
- msgList_itr = msgList.begin();
- int i = 0;
- while(msgList_itr != msgList.end()) {
- nasalMessage 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) {
- int pin = (((int)m.msg.size() * 8) >= iwidth ? 5 : (iwidth - (m.msg.size() * 8))/2);
- //cout << m.msg << '\n';
- //cout << "pin = " << pin << ", iwidth = " << iwidth << ", msg.size = " << m.msg.size() << '\n';
- guiFnt.drawString( m.msg.c_str(), pin, (iheight - 80) );
- m.counter += dt;
- msgList[i] = m;
- ++msgList_itr;
- ++i;
- } else {
- m.counter += dt;
- msgList[i] = m;
- ++msgList_itr;
- ++i;
- }
- }
- }
- }
- glEnable( GL_DEPTH_TEST );
- glEnable( GL_LIGHTING );
- glMatrixMode( GL_PROJECTION );
- glPopMatrix();
- glMatrixMode( GL_MODELVIEW );
- glPopMatrix();
- }
-}
-
-void FGNasalDisplay::RegisterSingleMessage(const string& msg, double delay) {
- //cout << msg << '\n';
- nasalMessage m;
- m.msg = msg;
- m.repeating = false;
- m.counter = 0.0;
- m.start_count = delay;
- m.stop_count = m.start_count + 5.0; // Display for 5ish 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;
- m.dsp_offset = 0.0;
-
- msgList.push_back(m);
- //cout << "Single message registered\n";
-}
-
-void FGNasalDisplay::RegisterRepeatingMessage(const string& msg) {
- rep_msg = true;
- rep_msg_str = msg;
- return;
-}
-
-void FGNasalDisplay::ChangeRepeatingMessage(const string& newmsg) {
- rep_msg_str = newmsg;
- change_msg_flag = true;
- return;
-}
-
-void FGNasalDisplay::CancelRepeatingMessage() {
- rep_msg = false;
- rep_msg_str = "";
- dsp_offset1 = 0;
- dsp_offset2 = 0;
- return;
-}
-
+++ /dev/null
-// NasalDisplay.hxx - class to manage the graphical display of Nasal messages.
-// - mainly copied from ATCDisplay.hxx
-//
-// Written by David Luff, started October 2001.
-//
-// Copyright (C) 2001 David C Luff - david.luff@nottingham.ac.uk
-//
-// This program is free software; you can redistribute it and/or
-// modify it under the terms of the GNU General Public License as
-// published by the Free Software Foundation; either version 2 of the
-// License, or (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful, but
-// WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-// General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program; if not, write to the Free Software
-// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
-#ifndef _FG_NASAL_DISPLAY_HXX
-#define _FG_NASAL_DISPLAY_HXX
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <simgear/structure/subsystem_mgr.hxx>
-
-#include <vector>
-#include <string>
-
-SG_USING_STD(vector);
-SG_USING_STD(string);
-
-struct nasalMessage {
- string msg;
- bool repeating;
- double counter; // count of how many seconds since the message was registered
- double start_count; // value of counter at which display should start (seconds)
- double stop_count; // value of counter at which display should stop (seconds)
- int id;
- double dsp_offset;
-};
-
-// ASSUMPTION - with two radios the list won't be long so we don't need to map the id's
-typedef vector<nasalMessage> nasalMessageList;
-typedef nasalMessageList::iterator nasalMessageListIterator;
-
-class FGNasalDisplay : public SGSubsystem
-{
-
-private:
- bool rep_msg; // Flag to indicate there is a repeating transmission to display
- bool change_msg_flag; // Flag to indicate that the repeating message has changed
- double dsp_offset1; // Used to set the correct position of scrolling display
- double dsp_offset2;
- string rep_msg_str; // The repeating transmission to play
- nasalMessageList msgList;
- nasalMessageListIterator msgList_itr;
-
-public:
- FGNasalDisplay();
- ~FGNasalDisplay();
-
- void init();
-
- void bind();
-
- void unbind();
-
- // Display any registered messages
- void update(double dt);
-
- // Register a single message for display after a delay of delay seconds
- // Will automatically stop displaying after a suitable interval.
- void RegisterSingleMessage(const string& msg, double delay = 0.0);
-
- // For now we will assume only one repeating message at once
- // This is not really robust
-
- // Register a continuously repeating message
- void RegisterRepeatingMessage(const string& msg);
-
- // Change a repeating message - assume that the message changes after the string has finished for now
- void ChangeRepeatingMessage(const string& newmsg);
-
- // Cancel the current repeating message
- void CancelRepeatingMessage();
-};
-
-#endif // _FG_ATC_DISPLAY_HXX
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