1 // AIManager.hxx - David Culp - based on:
2 // AIMgr.hxx - definition of FGAIMgr
3 // - a global management class for FlightGear generated AI traffic
5 // Written by David Luff, started March 2002.
7 // Copyright (C) 2002 David C Luff - david.luff@nottingham.ac.uk
9 // This program is free software; you can redistribute it and/or
10 // modify it under the terms of the GNU General Public License as
11 // published by the Free Software Foundation; either version 2 of the
12 // License, or (at your option) any later version.
14 // This program is distributed in the hope that it will be useful, but
15 // WITHOUT ANY WARRANTY; without even the implied warranty of
16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 // General Public License for more details.
19 // You should have received a copy of the GNU General Public License
20 // along with this program; if not, write to the Free Software
21 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
23 #ifndef _FG_AIMANAGER_HXX
24 #define _FG_AIMANAGER_HXX
29 #include <simgear/structure/subsystem_mgr.hxx>
30 #include <simgear/structure/SGSharedPtr.hxx>
35 typedef SGSharedPtr<FGAIBase> FGAIBasePtr;
37 class FGAIManager : public SGSubsystem
42 virtual ~FGAIManager();
45 virtual void shutdown();
50 void update(double dt);
51 void updateLOD(SGPropertyNode* node);
52 void attach(FGAIBase *model);
54 const FGAIBase *calcCollision(double alt, double lat, double lon, double fuse_range);
56 inline double get_user_heading() const { return user_heading; }
57 inline double get_user_pitch() const { return user_pitch; }
58 inline double get_user_speed() const {return user_speed; }
59 inline double get_wind_from_east() const {return wind_from_east; }
60 inline double get_wind_from_north() const {return wind_from_north; }
61 inline double get_user_roll() const { return user_roll; }
62 inline double get_user_agl() const { return user_altitude_agl; }
64 bool loadScenario( const std::string &filename );
66 static SGPropertyNode_ptr loadScenarioFile(const std::string& filename);
68 static bool getStartPosition(const std::string& id, const std::string& pid,
69 SGGeod& geodPos, double& hdng, SGVec3d& uvw);
71 FGAIBasePtr addObject(const SGPropertyNode* definition);
72 bool isVisible(const SGGeod& pos) const;
75 * @brief given a reference to an /ai/models/<foo>[n] node, return the
76 * corresponding AIObject implementation, or NULL.
78 FGAIBasePtr getObjectFromProperty(const SGPropertyNode* aProp) const;
80 static const char* subsystemName() { return "ai-model"; }
82 // FGSubmodelMgr is a friend for access to the AI_list
83 friend class FGSubmodelMgr;
85 // A list of pointers to AI objects
86 typedef std::list <FGAIBasePtr> ai_list_type;
87 typedef ai_list_type::iterator ai_list_iterator;
88 typedef ai_list_type::const_iterator ai_list_const_iterator;
90 const ai_list_type& get_ai_list() const {
94 int getNumAiObjects() const;
96 void removeDeadItem(FGAIBase* base);
98 double calcRangeFt(const SGVec3d& aCartPos, FGAIBase* aObject) const;
100 bool loadScenarioCommand(const SGPropertyNode* args);
101 bool unloadScenarioCommand(const SGPropertyNode* args);
102 bool addObjectCommand(const SGPropertyNode* definition);
104 bool removeObject(const SGPropertyNode* args);
105 bool unloadScenario( const std::string &filename );
106 void unloadAllScenarios();
108 SGPropertyNode_ptr root;
109 SGPropertyNode_ptr enabled;
110 SGPropertyNode_ptr thermal_lift_node;
111 SGPropertyNode_ptr user_altitude_agl_node;
112 SGPropertyNode_ptr user_speed_node;
113 SGPropertyNode_ptr wind_from_east_node;
114 SGPropertyNode_ptr wind_from_north_node;
115 SGPropertyNode_ptr _environmentVisiblity;
118 ai_list_type ai_list;
120 double user_altitude_agl;
125 double wind_from_east;
126 double wind_from_north;
128 void fetchUserState( void );
131 double range_nearest;
133 void processThermal( double dt, FGAIThermal* thermal );
135 SGPropertyChangeCallback<FGAIManager> cb_ai_bare;
136 SGPropertyChangeCallback<FGAIManager> cb_ai_detailed;
139 typedef std::map<std::string, Scenario*> ScenarioDict;
140 ScenarioDict _scenarios;
143 #endif // _FG_AIMANAGER_HXX