1 // FGAIPlane - abstract base class for an AI plane
3 // Written by David Luff, started 2002.
5 // Copyright (C) 2002 David C. Luff - david.luff@nottingham.ac.uk
7 // This program is free software; you can redistribute it and/or
8 // modify it under the terms of the GNU General Public License as
9 // published by the Free Software Foundation; either version 2 of the
10 // License, or (at your option) any later version.
12 // This program is distributed in the hope that it will be useful, but
13 // WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 // General Public License for more details.
17 // You should have received a copy of the GNU General Public License
18 // along with this program; if not, write to the Free Software
19 // Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 /*****************************************************************
23 * WARNING - Curt has some ideas about AI traffic so anything in here
24 * may get rewritten or scrapped. Contact Curt curt@flightgear.org
25 * before spending any time or effort on this code!!!
27 ******************************************************************/
29 #include <Main/globals.hxx>
30 #include <Main/fg_props.hxx>
31 //#include <Scenery/scenery.hxx>
32 //#include <simgear/constants.h>
33 #include <simgear/math/point3d.hxx>
34 //#include <simgear/math/sg_geodesy.hxx>
35 //#include <simgear/misc/sg_path.hxx>
41 #include "AIPlane.hxx"
42 #include "ATCdisplay.hxx"
44 FGAIPlane::~FGAIPlane() {
47 void FGAIPlane::Update(double dt) {
50 void FGAIPlane::Bank(double angle) {
51 // This *should* bank us smoothly to any angle
52 if(fabs(roll - angle) > 0.6) {
53 roll -= ((roll - angle)/fabs(roll - angle));
57 // Duplication of Bank(0.0) really - should I cut this?
58 void FGAIPlane::LevelWings(void) {
59 // bring the plane back to level smoothly (this should work to come out of either bank)
60 if(fabs(roll) > 0.6) {
61 roll -= (roll/fabs(roll));
65 void FGAIPlane::Transmit(string msg) {
66 double user_freq0 = fgGetDouble("/radios/comm[0]/frequencies/selected-mhz");
67 //double user_freq0 = ("/radios/comm[0]/frequencies/selected-mhz");
68 //comm1 is not used yet.
70 if(freq == user_freq0) {
71 // we are on the same frequency, so check distance to the user plane
73 // For now (testing) assume in range !!!
74 // TODO - implement range checking
75 globals->get_ATC_display()->RegisterSingleMessage(msg, 0);