NavigationSystem::CachedSystemIterator Class Reference

#include <navscreen.h>

Classes
struct	SystemInfo

Public Member Functions
	CachedSystemIterator ()
	CachedSystemIterator (string current_system, unsigned max_systems=2)
void	init (string current_system, unsigned max_systems=2)
bool	seek (unsigned position=0)
unsigned	getIndex () const
unsigned	size () const
bool	done () const
SystemInfo &	operator[] (unsigned pos)
const SystemInfo &	operator[] (unsigned pos) const
SystemInfo &	operator* ()
const SystemInfo &	operator* () const
SystemInfo *	operator-> ()
const SystemInfo *	operator-> () const
CachedSystemIterator &	next ()
CachedSystemIterator &	operator++ ()

Friends
struct	SystemInfo

Detailed Description

Definition at line 37 of file navscreen.h.

Constructor & Destructor Documentation

NavigationSystem::CachedSystemIterator::CachedSystemIterator

(

)

Definition at line 426 of file drawgalaxy.cpp.

{}

NavigationSystem::CachedSystemIterator::CachedSystemIterator	(	string	current_system,
		unsigned	max_systems = 2
	)

Definition at line 428 of file drawgalaxy.cpp.

References init().

{
    init( current_system, max_systems );
}

Member Function Documentation

bool NavigationSystem::CachedSystemIterator::done

(

)

const

Definition at line 457 of file drawgalaxy.cpp.

Referenced by NavigationSystem::DrawGalaxy(), and NavigationSystem::CachedSectorIterator::init().

{
    return currentPosition >= systems.size();
}

unsigned NavigationSystem::CachedSystemIterator::getIndex

(

)

const

Definition at line 447 of file drawgalaxy.cpp.

Referenced by NavigationSystem::DrawGalaxy(), and NavigationSystem::CachedSectorIterator::init().

{
    return currentPosition;
}

void NavigationSystem::CachedSystemIterator::init	(	string	current_system,
		unsigned	max_systems = 2
	)

Definition at line 397 of file drawgalaxy.cpp.

References UniverseUtil::GetAdjacentSystem(), UniverseUtil::GetNumAdjacentSystems(), j, and SystemInfo.

Referenced by CachedSystemIterator(), and NavigationSystem::Setup().

{
    systems.clear();
    unsigned count = 0;
    string   sys;

    map< string, unsigned >  index_table;
    std::deque< std::string >frontier;
    frontier.push_back( current_system );
    systems.push_back( SystemInfo( current_system ) );
    index_table[current_system] = 0;
    while ( !frontier.empty() ) {
        sys = frontier.front();
        frontier.pop_front();

        int nas = UniverseUtil::GetNumAdjacentSystems( sys );
        for (int j = 0; j < nas && count < max_systems; ++j) {
            string n = UniverseUtil::GetAdjacentSystem( sys, j );
            if (index_table.count( n ) == 0) {
                frontier.push_back( n );
                index_table[n] = systems.size();
                systems.push_back( SystemInfo( n ) );
                ++count;
            }
        }
        systems[index_table[sys]].loadData( &index_table );
    }
}

NavigationSystem::CachedSystemIterator & NavigationSystem::CachedSystemIterator::next

(

)

Definition at line 553 of file drawgalaxy.cpp.

{
    return ++(*this);
}

NavigationSystem::CachedSystemIterator::SystemInfo & NavigationSystem::CachedSystemIterator::operator*

(

)

Definition at line 480 of file drawgalaxy.cpp.

References done, and nullPair.

{
    if ( done() )
        return nullPair;
    return systems[currentPosition];
}

const NavigationSystem::CachedSystemIterator::SystemInfo & NavigationSystem::CachedSystemIterator::operator*

(

)

const

Definition at line 487 of file drawgalaxy.cpp.

References done, and nullPair.

{
    if ( done() )
        return nullPair;
    return systems[currentPosition];
}

NavigationSystem::CachedSystemIterator & NavigationSystem::CachedSystemIterator::operator++

(

)

Definition at line 558 of file drawgalaxy.cpp.

{
    ++currentPosition;
    return *this;
}

NavigationSystem::CachedSystemIterator::SystemInfo * NavigationSystem::CachedSystemIterator::operator->

(

)

Definition at line 494 of file drawgalaxy.cpp.

References done, and nullPair.

{
    if ( done() )
        return &nullPair;
    return &systems[currentPosition];
}

const NavigationSystem::CachedSystemIterator::SystemInfo * NavigationSystem::CachedSystemIterator::operator->

(

)

const

Definition at line 501 of file drawgalaxy.cpp.

References done, and nullPair.

{
    if ( done() )
        return &nullPair;
    return &systems[currentPosition];
}

NavigationSystem::CachedSystemIterator::SystemInfo & NavigationSystem::CachedSystemIterator::operator[]

(

unsigned

pos)

Definition at line 465 of file drawgalaxy.cpp.

References nullPair, and size.

{
    if ( pos >= size() )
        return nullPair;
    return systems[pos];
}

const NavigationSystem::CachedSystemIterator::SystemInfo & NavigationSystem::CachedSystemIterator::operator[]

(

unsigned

pos)

const

Definition at line 473 of file drawgalaxy.cpp.

References nullPair, and size.

{
    if ( pos >= size() )
        return nullPair;
    return systems[pos];
}

bool NavigationSystem::CachedSystemIterator::seek

(

unsigned

position = 0)

Definition at line 437 of file drawgalaxy.cpp.

Referenced by NavigationSystem::DrawGalaxy(), and NavigationSystem::CachedSectorIterator::init().

{
    if ( position < systems.size() ) {
        currentPosition = position;
        return true;
    } else {
        return false;
    }
}

unsigned NavigationSystem::CachedSystemIterator::size

(

)

const

Definition at line 452 of file drawgalaxy.cpp.

Referenced by NavPath::evaluate(), NavigationSystem::getCurrentSystem(), NavigationSystem::getDestinationSystem(), NavigationSystem::getFocusedSystem(), NavigationSystem::getSelectedSystem(), and NavigationSystem::setCurrentSystem().

{
    return systems.size();
}

Friends And Related Function Documentation

friend struct SystemInfo

friend

Definition at line 67 of file navscreen.h.

Referenced by init().

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The documentation for this class was generated from the following files:

• src/gfx/nav/navscreen.h
• src/gfx/nav/drawgalaxy.cpp