bool MeshDispose::deal_with_odd(Vertex * &vertex, QQueue<Vertex *> &vtx_queue)
{
if (vertex->edge_list_in.size()==6 && vertex->edge_list_out.size()==6) {
for (int j=0; j<vertex->edge_list_out.size(); ++j) {
if (vertex->edge_list_out.at(j)->vertex2->isEven()) {
Vertex * vertex_even = vertex->edge_list_out.at(j)->next->next->reverse->next->next->reverse->next->next->vertex1;
set_even(vertex_even, vtx_queue);
}
}
return true;
}
// Vertex * vtx_out = NULL;
// Vertex * vtx_in = NULL;
Edge * edge_out = NULL;
Edge * edge_in = NULL;
for (int i=0; i<vertex->edge_list_out.size(); ++i) {
if (vertex->edge_list_out.at(i)->vertex2->isEven()) {
// vtx_out = vertex->edge_list_out.at(i)->vertex2;
edge_out = vertex->edge_list_out.at(i);
break;
}
}
for (int i=0; i<vertex->edge_list_in.size(); ++i) {
if (vertex->edge_list_in.at(i)->vertex1->isEven()) {
// vtx_in = vertex->edge_list_in.at(i)->vertex1;
edge_in = vertex->edge_list_in.at(i);
break;
}
}
if (edge_in!=NULL && edge_out!=NULL) {
return true;
}
else {
// ----------------------------
// --- for more code
// -----------------------------
Vertex * another_even = NULL;
if (edge_in == NULL) {
another_even = edge_out->prev->reverse->prev->reverse->prev->vertex1;
}
else {
another_even = edge_in->next->reverse->next->reverse->next->vertex2;
}
return set_even(another_even, vtx_queue);
}
}
bool MeshDispose::partition(HalfEdge *&halfEdge)
{
// ____
// /\ /\
// /__\/__\
// \ /\ /\
// \/__\/ \
unpart_vtx(halfEdge);
Vertex * start_vertex = halfEdge->get_vertex_extraordinary();
QQueue<Vertex *> vtx_queue;
bool flag = true;
while (start_vertex != NULL && flag) {
set_even(start_vertex, vtx_queue);
while (!vtx_queue.empty() && vtx_queue.size()!=0 && flag) {
Vertex * vertex = vtx_queue.dequeue();
if (!deal_with_odd(vertex, vtx_queue))
flag = false;
}
start_vertex = halfEdge->get_vertex_extraordinary();
}
return flag;
}
void *op_slider_even_positive_strict(t_brick *brick)
{
int dir;
op_slider( brick);
if( brick->state_pressed == BRICK_RIGHT) dir = 1;
else dir = -1;
t_plug *plug = &brick->plug_intern;
void *data = plug->data;
set_even( data, plug->data_type, dir, 1, 0, 1);
return NULL;
}
