source/designer/movetool.cpp

   1 #include "libr2c2/layout.h"
   2 #include "designer.h"
   3 #include "movetool.h"
   4
   5 using namespace std;
   6 using namespace Msp;
   7 using namespace R2C2;
   8
   9 MoveTool::MoveTool(Designer &d, Input::Mouse &m, const set<Object *> &o):
  10         Manipulator(d, m, o),
  11         origin(ground_pointer)
  12 { }
  13
  14 void MoveTool::axis_motion(unsigned axis, float value, float rel)
  15 {
  16         Manipulator::axis_motion(axis, value, rel);
  17
  18         Vector offset = center+ground_pointer-origin;
  19         for(vector<MObject>::iterator i=objects.begin(); i!=objects.end(); ++i)
  20         {
  21                 i->object->set_position(offset+i->original_position);
  22                 i->object->set_rotation(i->original_rotation);
  23         }
  24
  25         const set<Track *> &ltracks = designer.get_layout().get_all<Track>();
  26         float limit = max(designer.get_layout().get_catalogue().get_gauge(),
  27                 designer.get_camera_controller().get_view_scale()/100.0f);
  28         MObject *snapped = 0;
  29         for(set<Track *>::const_iterator i=ltracks.begin(); (i!=ltracks.end() && !snapped); ++i)
  30         {
  31                 bool ok = true;
  32                 for(ObjectArray::iterator j=objects.begin(); (j!=objects.end() && ok); ++j)
  33                         ok = (j->object!=*i);
  34                 if(!ok)
  35                         continue;
  36
  37                 for(ObjectArray::iterator j=objects.begin(); (j!=objects.end() && !snapped); ++j)
  38                         if(j->object->snap_to(**i, limit))
  39                                 snapped = &*j;
  40         }
  41
  42         if(snapped)
  43         {
  44                 Angle da = snapped->object->get_rotation()-snapped->original_rotation;
  45                 Transform trans = Transform::rotation(da, Vector(0, 0, 1));
  46                 const Vector &sp = snapped->object->get_position();
  47                 for(ObjectArray::iterator i=objects.begin(); i!=objects.end(); ++i)
  48                 {
  49                         if(&*i==snapped)
  50                                 continue;
  51
  52                         i->object->set_position(sp+trans.transform(i->original_position-snapped->original_position));
  53                         i->object->set_rotation(i->original_rotation+da);
  54                 }
  55         }
  56 }