visline.cpp

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#include <gobj.h>
#include <stringconvert.h>
#include <tokenizer.h>
#include <visline.h>

visline::visline()
{
  color = pt3(1.0,0.0,0.0);
}

void visline::handlecommand( bool & matches, viscmd & c )
{
  assert(ve!=0);
  matches=false;
  if (c.command != this->id())
    return;
  matches=true;

  tokenizer ss;
  ss.seq.push_back(c.arg);
  ss.subtract(" ");
//cout << SHOW( ss.seq.size() ) << endl;

  uint sz=ss.seq.size();
assert(sz%2==0);
  if ((sz%2)!=0)
  {
    c.valid=false; 
    return;
  }

  vector<uint> vk; 
  uint k;

  vector< pt3 > & pi(ve->pi);

  ss.reset();
  for ( ss.reset(); !ss; )
  {
    stringfrom(k,ss());
    ++ss;
    if (k>= pi.size())
    {
      c.valid=false;
      return;
    }
 
    vk.push_back(k);
  } 

  gobjpush( new gobjglPushAttrib(GL_LIGHTING) );
  gobjpush( new gobjglPushAttrib(GL_CURRENT_BIT) );
  gobjpush( new gobjglColor3d(color) );
  gobjpush( new gobjglDisable( GL_LIGHTING));
  gobjpush( new gobjglBegin(GL_LINE) );

  for (uint i=0; i<vk.size()/2; ++i)
  {
    gobjpush(
      new gobjglVertex3d(
        pi[vk[i*2]]));
    gobjpush(
      new gobjglVertex3d(
        pi[vk[i*2+1]]));
  }

  gobjpush( new gobjglEnd() );
  gobjpush( new gobjglPopAttrib() );
  gobjpush( new gobjglPopAttrib() );

  c.valid=true; 
}