source: GTP/branches/IllumWPdeliver2008dec/IlluminationWP/demos/Standalone/PathMap [DirectX]/WsubMesh.cpp @ 3255

// WsubMesh.cpp: implementation of the WsubMesh class.
//
//////////////////////////////////////////////////////////////////////

#include "dxstdafx.h"
#include "WsubMesh.h"
#include "Wsimplex.h"

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

WsubMesh::WsubMesh()
{
}

WsubMesh::~WsubMesh()
{

}

void WsubMesh::add(Wsimplex *newbie)
{
        if(newbie->isComplete())
                complete.push_back(newbie);
        else
        {
                if(incomplete.empty())
                {
                        incomplete.push_back(newbie);
                        return;
                }

                ::std::vector<Wsimplex*>::iterator a = incomplete.begin();
                while(a < incomplete.end())
                {
                        switch((*a)->join(newbie))
                        {
                //no join, none complete
                        case -1: a++; break;
                //successfull join, none complete
                        case 0: a++; break;
                //successfull join, a complete
                        case 1: complete.push_back(*a);
                                        incomplete.erase(a);
                                        break;
                //successfull join, newbie complete
                        case 2: complete.push_back(newbie);
                                        return;
                //successfull join, both complete
                        case 3: complete.push_back(*a);
                                        complete.push_back(newbie);
                                        incomplete.erase(a);
                                        return;
                        }
                }
//list end reached, newbie is not complete, and may be inserted into the incomplete list at last
                incomplete.push_back(newbie);
        }
}

void WsubMesh::merge(WsubMesh *other)
{
//WARNING this add called here could skip isComplete testing
//added triangle is always incomplete,

        ::std::vector<Wsimplex*>::const_iterator a = other->incomplete.begin();
        while(a != other->incomplete.end())
        {
                add(*a);
                a++;
        }
        other->incomplete.clear();

        //WARN could use a lastComplete pointer here
        complete.insert(complete.end(), other->complete.begin(), other->complete.end());
        other->complete.clear();

        delete other;
}

int WsubMesh::isEmpty()
{
        return( complete.empty() || incomplete.empty());
}

void WsubMesh::setInsider(Wsimplex *niro)
{
        insiders.push_back(niro);
}