Foundations of using physics simulation for trains

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

diff --git a/source/designer/manipulator.cpp b/source/designer/manipulator.cpp
index f4e75e7f40d2a512c24549af65b65f085e9f7a59..dfcdd2cccbdc859a08c4cf6326aba090bf2e1696 100644 (file)
--- a/source/designer/manipulator.cpp
+++ b/source/designer/manipulator.cpp
@@ -1,7 +1,7 @@
 /* $Id$
 
 This file is part of the MSP Märklin suite
-Copyright © 2006-2008 Mikkosoft Productions, Mikko Rasa
+Copyright © 2006-2010  Mikkosoft Productions, Mikko Rasa
 Distributed under the GPL
 */
 
@@ -19,23 +19,14 @@ using namespace std;
 using namespace Marklin;
 using namespace Msp;
 
-Manipulator::Manipulator(Designer &d):
+Manipulator::Manipulator(Designer &d, Selection &s):
        designer(d),
-       selection(0),
+       selection(s),
        wrap_rot(0),
        mode(NONE),
        angle(0)
-{ }
-
-void Manipulator::set_selection(Selection *s)
 {
-       selection_changed_conn.disconnect();
-
-       selection = s;
-       if(selection)
-               selection_changed_conn = selection->signal_changed.connect(sigc::mem_fun(this, &Manipulator::selection_changed));
-
-       selection_changed();
+       selection.signal_changed.connect(sigc::mem_fun(this, &Manipulator::selection_changed));
 }
 
 void Manipulator::start_move()
@@ -76,15 +67,14 @@ void Manipulator::duplicate()
        list<Track *> new_tracks;
        for(vector<MTrack>::iterator i=tracks.begin(); i!=tracks.end(); ++i)
        {
-               Track *track = i->track->copy();
-               designer.get_layout()->add_track(*track);
+               Track *track = new Track(*designer.get_layout(), i->track->get_type());
                new_tracks.push_back(track);
        }
 
-       selection->clear();
+       selection.clear();
        for(list<Track *>::iterator i=new_tracks.begin(); i!=new_tracks.end(); ++i)
        {
-               selection->add_track(*i);
+               selection.add_track(*i);
                for(list<Track *>::iterator j=i; j!=new_tracks.end(); ++j)
                        if(j!=i)
                                (*i)->snap_to(**j, true);
@@ -364,19 +354,14 @@ void Manipulator::render()
        glPopMatrix();
 }
 
-/*** private ***/
-
 void Manipulator::selection_changed()
 {
        if(mode)
                cancel();
 
        tracks.clear();
-       if(selection)
-       {
-               const set<Track *> &stracks = selection->get_tracks();
-               tracks.insert(tracks.end(), stracks.begin(), stracks.end());
-       }
+       const set<Track *> &stracks = selection.get_tracks();
+       tracks.insert(tracks.end(), stracks.begin(), stracks.end());
 
        update_neighbors();
        update_wrap();
@@ -387,6 +372,7 @@ void Manipulator::update_wrap()
        wrap.clear();
        float min_x = 0, max_x = 0;
        float min_y = 0, max_y = 0;
+       float min_z = 0;
        for(vector<MTrack>::iterator i=tracks.begin(); i!=tracks.end(); ++i)
        {
                Track3D &t3d = designer.get_layout_3d()->get_track(*i->track);
@@ -404,7 +390,7 @@ void Manipulator::update_wrap()
                                float s = sin(a);
                                float x = (minp.x+maxp.x)/2;
                                float y = (minp.y+maxp.y)/2;
-                               tw.pos = Point(c*x-s*y, s*x+c*y, (minp.z+maxp.z)/2);
+                               tw.pos = Point(c*x-s*y, s*x+c*y, minp.z);
                                tw.rot = a;
                                tw.width = maxp.x-minp.x+0.01;
                                tw.height = maxp.y-minp.y+0.01;
@@ -417,6 +403,7 @@ void Manipulator::update_wrap()
                {
                        min_x = max_x = tw.pos.x;
                        min_y = max_y = tw.pos.y;
+                       min_z = tw.pos.z;
                }
                else
                {
@@ -424,22 +411,24 @@ void Manipulator::update_wrap()
                        max_x = max(max_x, tw.pos.x);
                        min_y = min(min_y, tw.pos.y);
                        max_y = max(max_y, tw.pos.y);
+                       min_z = min(min_z, tw.pos.z);
                }
                wrap.push_back(tw);
        }
 
-       center = Point((min_x+max_x)/2, (min_y+max_y)/2, 0);
+       center = Point((min_x+max_x)/2, (min_y+max_y)/2, min_z);
        wrap_pos = center;
        wrap_rot = 0;
        for(vector<MTrack>::iterator i=tracks.begin(); i!=tracks.end(); ++i)
        {
                const Point &tp = i->track->get_position();
-               i->pos = Point(tp.x-center.x, tp.y-center.y, tp.z);
+               i->pos = Point(tp.x-center.x, tp.y-center.y, tp.z-center.z);
        }
        for(list<TrackWrap>::iterator i=wrap.begin(); i!=wrap.end(); ++i)
        {
                i->pos.x -= center.x;
                i->pos.y -= center.y;
+               i->pos.z -= center.z;
        }
 }