void fill_up_edge_vector(
Square& rec,
std::vector<Edge>& edgeVector,
std::uniform_int_distribution<>& dis, std::mt19937_64& gen,
const double RMAT_a, const double RMAT_b, const double RMAT_c, const bool allowEdgeToSelf, const bool allowDuplicateEdges, const bool directedGraph
) {
std::vector<unsigned long long> throwAwayEdgesIndices; // Indices for those edges that must be eliminated due to duplicates and/or having same destination and source index.
edgeVector.reserve(rec.getnEdges());
generate_edges( std::ref(rec), std::ref(edgeVector), RMAT_a, RMAT_b, RMAT_c, directedGraph, allowEdgeToSelf, std::ref(dis), std::ref(gen), std::ref(throwAwayEdgesIndices) );
if( !allowDuplicateEdges ) {
do{
// Resize the throw away edges vector for a fresh begin.
throwAwayEdgesIndices.resize(0);
std::sort( edgeVector.begin(), edgeVector.end() );
// Detection of Invalid edges.
for( unsigned long long edgeIdx = 0; edgeIdx < (edgeVector.size()-1); ++edgeIdx )
if( edgeVector.at(edgeIdx) == edgeVector.at(edgeIdx+1) )
throwAwayEdgesIndices.push_back(edgeIdx);
// Add instead of eliminated and check until generate enough.
if( !throwAwayEdgesIndices.empty() )
generate_edges( std::ref(rec), std::ref(edgeVector), RMAT_a, RMAT_b, RMAT_c, directedGraph, allowEdgeToSelf, std::ref(dis), std::ref(gen), std::ref(throwAwayEdgesIndices) );
} while( !throwAwayEdgesIndices.empty() );
}
}
void CGameGraphBuilder::build_graph (const float &start, const float &amount)
{
Progress (start);
Msg ("Building graph");
CTimer timer;
timer.Start ();
m_graph_engine = xr_new<CGraphEngine>(level_graph().header().vertex_count());
Progress (start + 0.000000f*amount + amount*0.067204f);
// Msg ("BG : %f",timer.GetElapsed_sec());
generate_edges (start + 0.067204f*amount, amount*0.922647f);
// Msg ("BG : %f",timer.GetElapsed_sec());
xr_delete (m_graph_engine);
Progress (start + 0.989851f*amount + amount*0.002150f);
// Msg ("BG : %f",timer.GetElapsed_sec());
connectivity_check (start + 0.992001f*amount, amount*0.000030f);
// Msg ("BG : %f",timer.GetElapsed_sec());
optimize_graph (start + 0.992031f*amount, amount*0.000454f);
// Msg ("BG : %f",timer.GetElapsed_sec());
save_graph (start + 0.992485f*amount, amount*0.007515f);
// Msg ("BG : %f",timer.GetElapsed_sec());
Progress (start + amount);
}
void CGameGraphBuilder::generate_edges (const float &start, const float &amount)
{
Progress (start);
Msg ("Generating edges");
graph_type::const_vertex_iterator I = graph().vertices().begin();
graph_type::const_vertex_iterator E = graph().vertices().end();
for ( ; I != E; ++I) {
fill_neighbours ((*I).second->vertex_id());
generate_edges ((*I).second->vertex_id());
}
Msg ("%d edges built",graph().edge_count());
Progress (start + amount);
}
