# error This library requires C++
#endif
-#include <simgear/misc/props.hxx>
-#include <Main/fgfs.hxx>
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include STL_STRING
+#include <vector>
+
+SG_USING_STD(string);
+SG_USING_STD(vector);
+
+#include <simgear/props/props.hxx>
+#include <simgear/structure/subsystem_mgr.hxx>
+
+
+// Forward declaration
+class FGElectricalSystem;
+
+
+#define FG_UNKNOWN -1
+#define FG_SUPPLIER 0
+#define FG_BUS 1
+#define FG_OUTPUT 2
+#define FG_CONNECTOR 3
+
+// Base class for other electrical components
+class FGElectricalComponent {
+
+protected:
+
+ typedef vector<FGElectricalComponent *> comp_list;
+ typedef vector<string> string_list;
+
+ int kind;
+ string name;
+ float volts;
+ float load_amps;
+
+ comp_list inputs;
+ comp_list outputs;
+ string_list props;
+
+public:
+
+ FGElectricalComponent();
+ virtual ~FGElectricalComponent() {}
+
+ inline string get_name() { return name; }
+
+ inline int get_kind() const { return kind; }
+
+ inline float get_volts() const { return volts; }
+ inline void set_volts( float val ) { volts = val; }
+
+ inline float get_load_amps() const { return load_amps; }
+ inline void set_load_amps( float val ) { load_amps = val; }
+
+ inline int get_num_inputs() const { return outputs.size(); }
+ inline FGElectricalComponent *get_input( const int i ) {
+ return inputs[i];
+ }
+ inline void add_input( FGElectricalComponent *c ) {
+ inputs.push_back( c );
+ }
+
+ inline int get_num_outputs() const { return outputs.size(); }
+ inline FGElectricalComponent *get_output( const int i ) {
+ return outputs[i];
+ }
+ inline void add_output( FGElectricalComponent *c ) {
+ outputs.push_back( c );
+ }
+
+ inline int get_num_props() const { return props.size(); }
+ inline string get_prop( const int i ) {
+ return props[i];
+ }
+ inline void add_prop( const string &s ) {
+ props.push_back( s );
+ }
+
+};
+
+
+// Electrical supplier
+class FGElectricalSupplier : public FGElectricalComponent {
+
+ SGPropertyNode_ptr _rpm_node;
+
+ enum FGSupplierType {
+ FG_BATTERY = 0,
+ FG_ALTERNATOR = 1,
+ FG_EXTERNAL = 2
+ };
+
+ string rpm_src;
+ int model;
+ double volts;
+ double amps;
+
+public:
+
+ FGElectricalSupplier ( SGPropertyNode *node );
+ ~FGElectricalSupplier () {}
+
+ double get_output();
+};
+
+
+// Electrical bus (can take multiple inputs and provide multiple
+// outputs)
+class FGElectricalBus : public FGElectricalComponent {
+
+public:
+
+ FGElectricalBus ( SGPropertyNode *node );
+ ~FGElectricalBus () {}
+};
+
+
+// A lot like an FGElectricalBus, but here for convenience and future
+// flexibility
+class FGElectricalOutput : public FGElectricalComponent {
+
+private:
+
+ // number of amps drawn by this output
+ float output_amps;
+
+public:
+
+ FGElectricalOutput ( SGPropertyNode *node );
+ ~FGElectricalOutput () {}
+
+ inline float get_output_amps() const { return output_amps; }
+ inline void set_output_amps( float val ) { output_amps = val; }
+};
+
+
+// Model an electrical switch. If the rating_amps > 0 then this
+// becomes a circuit breaker type switch that can trip
+class FGElectricalSwitch {
+
+private:
+
+ SGPropertyNode *switch_node;
+ float rating_amps;
+ bool circuit_breaker;
+
+public:
+
+ FGElectricalSwitch( SGPropertyNode *node );
+
+ ~FGElectricalSwitch() { };
+
+ inline bool get_state() const { return switch_node->getBoolValue(); }
+ void set_state( bool val ) { switch_node->setBoolValue( val ); }
+};
+
+
+// Connects multiple sources to multiple destinations with optional
+// switches/fuses/circuit breakers inline
+class FGElectricalConnector : public FGElectricalComponent {
+
+ comp_list inputs;
+ comp_list outputs;
+ typedef vector< FGElectricalSwitch> switch_list;
+ switch_list switches;
+
+public:
+
+ FGElectricalConnector ( SGPropertyNode *node, FGElectricalSystem *es );
+ ~FGElectricalConnector () {}
+
+ void add_switch( FGElectricalSwitch s ) {
+ switches.push_back( s );
+ }
+
+ // set all switches to the specified state
+ void set_switches( bool state );
+
+ bool get_state();
+};
/**
- * Model an electrical system. This is a simple system with the
- * alternator hardwired to engine[0]/rpm
- *
- * Input properties:
- *
- * /engines/engine[0]/rpm
- *
- * Output properties:
- *
+ * Model an electrical system. This is a fairly simplistic system
*
*/
-class ElectricalSystem : public FGSubsystem
+class FGElectricalSystem : public SGSubsystem
{
public:
- ElectricalSystem ();
- virtual ~ElectricalSystem ();
+ FGElectricalSystem ();
+ virtual ~FGElectricalSystem ();
virtual void init ();
virtual void bind ();
virtual void unbind ();
virtual void update (double dt);
+ bool build ();
+ float propagate( FGElectricalComponent *node, double val, string s = "" );
+ FGElectricalComponent *find ( const string &name );
+
+protected:
+
+ typedef vector<FGElectricalComponent *> comp_list;
+
private:
SGPropertyNode *config_props;
- // SGPropertyNode_ptr _serviceable_node;
-
+
+ bool enabled;
+
+ comp_list suppliers;
+ comp_list buses;
+ comp_list outputs;
+ comp_list connectors;
+
+ SGPropertyNode *_volts_out;
+ SGPropertyNode *_amps_out;
};
+
#endif // _SYSTEMS_ELECTRICAL_HXX
projects / flightgear.git / blobdiff