431 src/vehicle.cpp
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36 src/vehicle.h
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@@ -179,6 +179,9 @@ struct vehicle_part : public JsonSerializer, public JsonDeserializer
/** Efficiency (0.0,1.0] at which engine converts fuel energy to output power at @ref rpm */
float efficiency( int rpm ) const;

/** Effective power output (watts) of part optionally adjusted for effects of damage or faults */
int power( bool effects = true ) const;

/**
* Get NPC currently assigned to this part (seat, turret etc)?
* @note checks crew member is alive and currently allied to the player
@@ -785,12 +788,16 @@ class vehicle : public JsonSerializer, public JsonDeserializer
*/
std::map<itype_id, long> fuels_left() const;

// Checks how much certain fuel left in tanks.
int fuel_left (const itype_id &ftype, bool recurse = false) const;
/**
* How much of a given fuel type is available from various sources
* @param recurse for battery power should networked vehicles be considered?
* @param reactor for battery power should active reactors be considered?
*/
int fuel_left( const itype_id &ftype, bool recurse = false, bool reactor = false ) const;

int fuel_capacity (const itype_id &ftype) const;

// drains a fuel type (e.g. for the kitchen unit)
// returns amount actually drained, does not engage reactor
int drain (const itype_id &ftype, int amount);

/**
@@ -799,19 +806,20 @@ class vehicle : public JsonSerializer, public JsonDeserializer
*/
std::vector<vehicle_part *> lights( bool active = false );

void power_parts();

/**
* Try to charge our (and, optionally, connected vehicles') batteries by the given amount.
* @return amount of charge left over.
*/
int charge_battery (int amount, bool recurse = true);

/**
* Try to discharge our (and, optionally, connected vehicles') batteries by the given amount.
* Attempt to obtain electrical power from various sources
* @param amount maximum power (kJ) to obtain
* @param recurse if insufficient local power available should networked vehicles be drained?
* @param reactor if insufficient power is available should active reactors will be engaged?
* @return amount of request unfulfilled (0 if totally successful).
*/
int discharge_battery (int amount, bool recurse = true);
int discharge( int amount, bool recurse = true, bool reactor = true );

/**
* Mark mass caches and pivot cache as dirty
@@ -835,6 +843,9 @@ class vehicle : public JsonSerializer, public JsonDeserializer
// vehicle motion after precalc[1] is prepared.
point pivot_displacement() const;

/** Calculate power usage (watts) of all active parts */
int power_usage() const;

/** Get currently selected engine (if any) or a null part if none are selected */
vehicle_part &current_engine();
const vehicle_part &current_engine() const;
@@ -860,8 +871,8 @@ class vehicle : public JsonSerializer, public JsonDeserializer
/** Check if specific engine is currently running above redline? */
bool overspeed( const vehicle_part &pt ) const;

/** Get load (in watts) on specific engine from both propulsion and alternators */
int load( const vehicle_part &pt ) const;
/** Get power required (watts) required to replace losses due to friction at current speed */
int friction_load() const;

/** Get acceleration (m/s²) from specific engine dependent upon current @ref load() */
double acceleration( const vehicle_part &pt ) const;
@@ -1119,8 +1130,7 @@ class vehicle : public JsonSerializer, public JsonDeserializer
bool is_part_on(int p) const;
//returns whether the engine uses specified fuel type
bool is_engine_type(int e, const itype_id &ft) const;
//returns whether the alternator is operational
bool is_alternator_on(int a) const;

//mark engine as on or off
void toggle_specific_engine(int p, bool on);
void toggle_specific_part(int p, bool on);
@@ -1252,10 +1262,6 @@ class vehicle : public JsonSerializer, public JsonDeserializer
mutable bool pivot_dirty; // if true, pivot_cache needs to be recalculated
mutable point pivot_cache; // cached pivot point

// Get combined power of all engines. If fueled == true, then only engines which
// vehicle have fuel for are accounted
int total_power (bool fueled = true) const;

void refresh_mass() const;
void calc_mass_center( bool precalc ) const;

2 tests/vehicle_engine.cpp
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@@ -38,7 +38,7 @@ TEST_CASE( "vehicle_engine", "[vehicle] [engine]" ) {
REQUIRE( veh.safe_velocity( pt ) <= veh.max_velocity( pt ) );

// sufficient power available to start the engine at 10°C
REQUIRE( base->engine_start_energy( 10 ) <= veh.fuel_left( "battery" ) );
REQUIRE( base->engine_start_energy( 10 ) <= veh.fuel_left( "battery", true, true ) );
}

g->m.destroy_vehicle( &veh );