Split the Manipulator class into several Tools

[r2c2.git] / source / designer / movetool.cpp

diff --git a/source/designer/movetool.cpp b/source/designer/movetool.cpp
new file mode 100644 (file)
index 0000000..c7bae59
--- /dev/null
+++ b/source/designer/movetool.cpp
@@ -0,0 +1,56 @@
+#include "libr2c2/layout.h"
+#include "designer.h"
+#include "movetool.h"
+
+using namespace std;
+using namespace Msp;
+using namespace R2C2;
+
+MoveTool::MoveTool(Designer &d, Input::Mouse &m, const set<Object *> &o):
+       Manipulator(d, m, o),
+       origin(ground_pointer)
+{ }
+
+void MoveTool::axis_motion(unsigned axis, float value, float rel)
+{
+       Manipulator::axis_motion(axis, value, rel);
+
+       Vector offset = center+ground_pointer-origin;
+       for(vector<MObject>::iterator i=objects.begin(); i!=objects.end(); ++i)
+       {
+               i->object->set_position(offset+i->original_position);
+               i->object->set_rotation(i->original_rotation);
+       }
+
+       const set<Track *> &ltracks = designer.get_layout().get_all<Track>();
+       float limit = max(designer.get_layout().get_catalogue().get_gauge(),
+               designer.get_camera_controller().get_view_scale()/100.0f);
+       MObject *snapped = 0;
+       for(set<Track *>::const_iterator i=ltracks.begin(); (i!=ltracks.end() && !snapped); ++i)
+       {
+               bool ok = true;
+               for(ObjectArray::iterator j=objects.begin(); (j!=objects.end() && ok); ++j)
+                       ok = (j->object!=*i);
+               if(!ok)
+                       continue;
+
+               for(ObjectArray::iterator j=objects.begin(); (j!=objects.end() && !snapped); ++j)
+                       if(j->object->snap_to(**i, limit))
+                               snapped = &*j;
+       }
+
+       if(snapped)
+       {
+               Angle da = snapped->object->get_rotation()-snapped->original_rotation;
+               Transform trans = Transform::rotation(da, Vector(0, 0, 1));
+               const Vector &sp = snapped->object->get_position();
+               for(ObjectArray::iterator i=objects.begin(); i!=objects.end(); ++i)
+               {
+                       if(&*i==snapped)
+                               continue;
+
+                       i->object->set_position(sp+trans.transform(i->original_position-snapped->original_position));
+                       i->object->set_rotation(i->original_rotation+da);
+               }
+       }
+}