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 <simgear/compiler.h>
34 #include "AIManager.hxx"
40 class FGAICarrierHardware : public ssgBase {
43 enum Type { Catapult, Wire, Solid };
49 static FGAICarrierHardware* newCatapult(FGAICarrier *c) {
50 FGAICarrierHardware* ch = new FGAICarrierHardware;
56 static FGAICarrierHardware* newWire(FGAICarrier *c) {
57 FGAICarrierHardware* ch = new FGAICarrierHardware;
63 static FGAICarrierHardware* newSolid(FGAICarrier *c) {
64 FGAICarrierHardware* ch = new FGAICarrierHardware;
76 class FGAICarrier : public FGAIShip {
80 virtual ~FGAICarrier();
82 virtual void readFromScenario(SGPropertyNode* scFileNode);
84 void setSign(const string& );
85 void setTACANChannelID(const string &);
87 void getVelocityWrtEarth(sgdVec3& v, sgdVec3& omega, sgdVec3& pivot);
89 virtual void unbind();
90 void UpdateWind ( double dt );
91 void setWind_from_east( double fps );
92 void setWind_from_north( double fps );
93 void setMaxLat( double deg );
94 void setMinLat( double deg );
95 void setMaxLong( double deg );
96 void setMinLong( double deg );
100 float Horizon(float h);
105 virtual const char* getTypeString(void) const { return "carrier"; }
107 bool getParkPosition(const string& id, SGGeod& geodPos,
108 double& hdng, SGVec3d& uvw);
111 /// Is sufficient to be private, stores a possible position to place an
112 /// aircraft on start
113 struct ParkPosition {
114 ParkPosition(const ParkPosition& pp)
115 : name(pp.name), offset(pp.offset), heading_deg(pp.heading_deg)
117 ParkPosition(const string& n, const SGVec3d& off = SGVec3d(), double heading = 0)
118 : name(n), offset(off), heading_deg(heading)
126 void update(double dt);
127 void mark_nohot(ssgEntity*);
129 bool mark_wires(ssgEntity*, const list<string>&, bool = false);
130 bool mark_cat(ssgEntity*, const list<string>&, bool = false);
131 bool mark_solid(ssgEntity*, const list<string>&, bool = false);
132 double wind_from_east; // fps
133 double wind_from_north; // fps
134 double rel_wind_speed_kts;
135 double rel_wind_from_deg;
138 list<string> solid_objects; // List of solid object names
139 list<string> wire_objects; // List of wire object names
140 list<string> catapult_objects; // List of catapult object names
141 list<ParkPosition> ppositions; // List of positions where an aircraft can start.
142 string sign; // The sign of this carrier.
144 // Velocity wrt earth.
145 SGVec3d vel_wrt_earth;
146 SGVec3d rot_wrt_earth;
147 SGVec3d rot_pivot_wrt_earth;
149 // these describe the flols
152 double dist; // the distance of the eyepoint from the flols
154 int source; // the flols light which is visible at the moment
155 bool wave_off_lights;
157 // these are for maneuvering the carrier
160 double wind_speed_from_north_kts ;
161 double wind_speed_from_east_kts ;
162 double wind_speed_kts; //true wind speed
163 double wind_from_deg; //true wind direction
165 double max_lat, min_lat, max_long, min_long;
166 double base_course, base_speed;
168 bool turn_to_launch_hdg;
169 bool returning; // set if the carrier is returning to an operating box
170 bool InToWind(); // set if the carrier is in to wind
173 SGPropertyNode_ptr _longitude_node;
174 SGPropertyNode_ptr _latitude_node;
175 SGPropertyNode_ptr _altitude_node;
176 SGPropertyNode_ptr _surface_wind_from_deg_node;
177 SGPropertyNode_ptr _surface_wind_speed_node;
178 SGPropertyNode_ptr _launchbar_state_node;
181 string TACAN_channel_id;
183 // these are for moving the elevators
184 void UpdateElevator( double dt, double transition_time);
185 double pos_norm, raw_pos_norm;
186 double transition_time, time_constant;
189 // these are for moving the jet blast deflectors
190 void UpdateJBD( double dt, double jbd_transition_time);
191 double jbd_pos_norm, raw_jbd_pos_norm;
192 double jbd_transition_time, jbd_time_constant;
196 #endif // _FG_AICARRIER_HXX