Add functions to resolve an arbitrary point to the nearest point on a track

[r2c2.git] / source / engineer / engineer.cpp

diff --git a/source/engineer/engineer.cpp b/source/engineer/engineer.cpp
index bc32dfb848a52d92c4069aeb076760fc90d05182..e5381bd090a2f3bbf0e7e1179f4821637401727e 100644 (file)
--- a/source/engineer/engineer.cpp
+++ b/source/engineer/engineer.cpp
@@ -35,6 +35,9 @@ using namespace Msp;
 Engineer::Engineer(int argc, char **argv):
        options(argc, argv),
        window(options.screen_w, options.screen_h, options.fullscreen),
+       keyboard(window),
+       mouse(window),
+       ui_res("r2c2.res"),
        layout(catalogue, (options.driver.empty() ? 0 : Driver::create(options.driver))),
        layout_3d(layout),
        server(0),
@@ -43,18 +46,15 @@ Engineer::Engineer(int argc, char **argv):
        picking_track(0),
        picking_entry(0),
        picking_path(0),
-       pointer_x(0),
-       pointer_y(0),
        pointer_moved(false)
 {
        // Setup GUI
        window.set_title("Railroad Engineer");
        window.signal_close.connect(sigc::bind(sigc::mem_fun(this, &Engineer::exit), 0));
 
-       DataFile::load(ui_res, "r2c2.res");
        root = new GLtk::Root(ui_res, window);
-       root->signal_button_press.connect(sigc::mem_fun(this, &Engineer::button_press));
-       root->signal_pointer_motion.connect(sigc::mem_fun(this, &Engineer::pointer_motion));
+       mouse.signal_button_press.connect(sigc::mem_fun(this, &Engineer::button_press));
+       mouse.signal_axis_motion.connect(sigc::mem_fun(this, &Engineer::axis_motion));
        root->set_visible(true);
 
        main_panel = new MainPanel(*this);
@@ -203,7 +203,7 @@ void Engineer::tick()
 
                if(picking)
                {
-                       Track *track = pick_track(pointer_x, window.get_height()-pointer_y-1);
+                       Track *track = pick_track(pointer);
                        if(track && track!=picking_track)
                        {
                                picking_track = track;
@@ -224,6 +224,7 @@ void Engineer::tick()
 
        if(picking && picking_track && picking_entry>=0)
        {
+               camera.apply();
                GL::MatrixStack::Push push_mat(GL::MatrixStack::modelview());
 
                float rot = picking_track->get_endpoint_direction(picking_entry);
@@ -240,7 +241,7 @@ void Engineer::tick()
        window.swap_buffers();
 }
 
-void Engineer::button_press(int x, int y, unsigned btn, unsigned)
+void Engineer::button_press(unsigned btn)
 {
        if(picking)
        {
@@ -259,7 +260,7 @@ void Engineer::button_press(int x, int y, unsigned btn, unsigned)
        }
        else
        {
-               Track *track = pick_track(x, window.get_height()-y-1);
+               Track *track = pick_track(pointer);
                if(track)
                {
                        if(track->get_turnout_id())
@@ -292,10 +293,12 @@ void Engineer::button_press(int x, int y, unsigned btn, unsigned)
        }
 }
 
-void Engineer::pointer_motion(int x, int y)
+void Engineer::axis_motion(unsigned axis, float value, float)
 {
-       pointer_x = x;
-       pointer_y = y;
+       if(axis==0)
+               pointer.x = value;
+       if(axis==1)
+               pointer.y = value;
        pointer_moved = true;
 }
 
@@ -381,12 +384,10 @@ void Engineer::reset_block_color(const Block &block)
                set_block_color(block, GL::Color(1));
 }
 
-Track *Engineer::pick_track(int x, int y)
+Track *Engineer::pick_track(const Vector &p)
 {
        const GL::Vector3 &start = camera.get_position();
-       float xx = x*2.0/window.get_width()-1.0;
-       float yy = y*2.0/window.get_height()-1.0;
-       GL::Vector4 ray = camera.unproject(GL::Vector4(xx, yy, 0, 0));
+       GL::Vector4 ray = camera.unproject(GL::Vector4(p.x, p.y, 0, 0));
 
        return layout.pick_track(Vector(start.x, start.y, start.z), Vector(ray.x, ray.y, ray.z));
 }