NavigationSystem::SystemIterator Class Reference

#include <navscreen.h>

Public Member Functions
	SystemIterator (string current_system, unsigned int max=2)
bool	done () const
QVector	Position ()
string	operator* ()
SystemIterator &	next ()
SystemIterator &	operator++ ()

Detailed Description

Definition at line 21 of file navscreen.h.

Constructor & Destructor Documentation

NavigationSystem::SystemIterator::SystemIterator	(	string	current_system,
		unsigned int	max = 2
	)

Definition at line 238 of file drawgalaxy.cpp.

References max().

{
    count    = 0;
    maxcount = max;
    vstack.push_back( current_system );
    visited[current_system] = true;
    which    = 0;
}

Member Function Documentation

bool NavigationSystem::SystemIterator::done

(

)

const

Definition at line 247 of file drawgalaxy.cpp.

Referenced by GalaxyXML::SGalaxy::processGalaxy().

{
    return which >= vstack.size();
}

NavigationSystem::SystemIterator & NavigationSystem::SystemIterator::next

(

)

Definition at line 283 of file drawgalaxy.cpp.

{
    return ++(*this);
}

string NavigationSystem::SystemIterator::operator*

(

)

Definition at line 276 of file drawgalaxy.cpp.

{
    if ( which < vstack.size() )
        return vstack[which];
    return "-";
}

NavigationSystem::SystemIterator & NavigationSystem::SystemIterator::operator++

(

)

Definition at line 302 of file drawgalaxy.cpp.

References UniverseUtil::GetAdjacentSystem(), UniverseUtil::GetNumAdjacentSystems(), i, j, and testandset().

{
    which += 1;
    if ( which >= vstack.size() ) {
        vector< string >newsys;
        for (unsigned int i = 0; i < vstack.size(); ++i) {
            int nas = UniverseUtil::GetNumAdjacentSystems( vstack[i] );
            for (int j = 0; j < nas; ++j) {
                string n = UniverseUtil::GetAdjacentSystem( vstack[i], j );
                if ( !testandset( visited[n], true ) )
//if (checkedVisited(n)) {
                    newsys.push_back( n );
//}
            }
        }
        vstack.swap( newsys );
        count += 1;
        which  = 0;
        if (count > maxcount)
            vstack.clear();
    }
    return *this;
}

QVector NavigationSystem::SystemIterator::Position

(

)

Definition at line 252 of file drawgalaxy.cpp.

References _Universe, UniverseUtil::cos(), done, float, Universe::getGalaxyProperty(), k, QVector, screensmash, UniverseUtil::sin(), and start.

Referenced by GalaxyXML::SGalaxy::processGalaxy().

{
    if ( done() )
        return QVector( 0, 0, 0 );
    string  currentsystem = (**this);
    string  xyz = _Universe->getGalaxyProperty( currentsystem, "xyz" );
    QVector pos;
    if ( xyz.size() && (sscanf( xyz.c_str(), "%lf %lf %lf", &pos.i, &pos.j, &pos.k ) >= 3) ) {
        pos.j = -pos.j;
        return pos;
    } else {
        float ratio    = ( (float) count )/maxcount;
        float locatio  = ( (float) which )/vstack.size();
        unsigned int k = 0;
        std::string::const_iterator start = vstack[which].begin();
        std::string::const_iterator end   = vstack[which].end();
        for (; start != end; start++)
            k += (k*128)+*start;
        k %= 200000;
//float y = (k-100000)/(200000.);
        return QVector( ratio*cos( locatio*2*3.1415926536 ), ratio*sin( locatio*2*3.1415926536 ), 0 )*screensmash;
    }
}

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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