1 // FGAICarrier - AIShip-derived class creates an AI aircraft carrier
3 // Written by David Culp, started October 2004.
5 // Copyright (C) 2004 David P. Culp - davidculp2@comcast.net
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
21 #ifndef _FG_AICARRIER_HXX
22 #define _FG_AICARRIER_HXX
27 #include <osg/Referenced>
30 #include <simgear/compiler.h>
37 #include "AIManager.hxx"
43 class FGAICarrierHardware : public osg::Referenced {
46 enum Type { Catapult, Wire, Solid };
52 static FGAICarrierHardware* newCatapult(FGAICarrier *c) {
53 FGAICarrierHardware* ch = new FGAICarrierHardware;
59 static FGAICarrierHardware* newWire(FGAICarrier *c) {
60 FGAICarrierHardware* ch = new FGAICarrierHardware;
66 static FGAICarrierHardware* newSolid(FGAICarrier *c) {
67 FGAICarrierHardware* ch = new FGAICarrierHardware;
79 class FGAICarrier : public FGAIShip {
83 virtual ~FGAICarrier();
85 virtual void readFromScenario(SGPropertyNode* scFileNode);
87 void setSign(const string& );
88 void setTACANChannelID(const string &);
90 void getVelocityWrtEarth(SGVec3d& v, SGVec3d& omega, SGVec3d& pivot);
92 virtual void unbind();
93 void UpdateWind ( double dt );
94 void setWind_from_east( double fps );
95 void setWind_from_north( double fps );
96 void setMaxLat( double deg );
97 void setMinLat( double deg );
98 void setMaxLong( double deg );
99 void setMinLong( double deg );
105 bool init(bool search_in_AI_path=false);
106 void initModel(osg::Node *node);
108 virtual const char* getTypeString(void) const { return "carrier"; }
110 bool getParkPosition(const string& id, SGGeod& geodPos,
111 double& hdng, SGVec3d& uvw);
114 /// Is sufficient to be private, stores a possible position to place an
115 /// aircraft on start
116 struct ParkPosition {
117 ParkPosition(const ParkPosition& pp)
118 : name(pp.name), offset(pp.offset), heading_deg(pp.heading_deg)
120 ParkPosition(const string& n, const SGVec3d& off = SGVec3d(), double heading = 0)
121 : name(n), offset(off), heading_deg(heading)
129 void update(double dt);
130 double wind_from_east; // fps
131 double wind_from_north; // fps
132 double rel_wind_speed_kts;
133 double rel_wind_from_deg;
136 list<string> solid_objects; // List of solid object names
137 list<string> wire_objects; // List of wire object names
138 list<string> catapult_objects; // List of catapult object names
139 list<ParkPosition> ppositions; // List of positions where an aircraft can start.
140 string sign; // The sign of this carrier.
142 // Velocity wrt earth.
143 SGVec3d vel_wrt_earth;
144 SGVec3d rot_wrt_earth;
145 SGVec3d rot_pivot_wrt_earth;
147 // these describe the flols
150 double dist; // the distance of the eyepoint from the flols
152 int source; // the flols light which is visible at the moment
153 bool wave_off_lights;
155 // these are for maneuvering the carrier
158 double wind_speed_from_north_kts ;
159 double wind_speed_from_east_kts ;
160 double wind_speed_kts; //true wind speed
161 double wind_from_deg; //true wind direction
163 double max_lat, min_lat, max_long, min_long;
164 double base_course, base_speed;
166 bool turn_to_launch_hdg;
167 bool returning; // set if the carrier is returning to an operating box
168 bool InToWind(); // set if the carrier is in to wind
171 SGPropertyNode_ptr _longitude_node;
172 SGPropertyNode_ptr _latitude_node;
173 SGPropertyNode_ptr _altitude_node;
174 SGPropertyNode_ptr _surface_wind_from_deg_node;
175 SGPropertyNode_ptr _surface_wind_speed_node;
176 SGPropertyNode_ptr _launchbar_state_node;
179 string TACAN_channel_id;
181 // these are for moving the elevators
182 void UpdateElevator( double dt, double transition_time);
183 double pos_norm, raw_pos_norm;
184 double transition_time, time_constant;
187 // these are for moving the jet blast deflectors
188 void UpdateJBD( double dt, double jbd_transition_time);
189 double jbd_pos_norm, raw_jbd_pos_norm;
190 double jbd_transition_time, jbd_time_constant;
194 #endif // _FG_AICARRIER_HXX