Don't crash if a train has no router

[r2c2.git] / source / libr2c2 / object.h

diff --git a/source/libr2c2/object.h b/source/libr2c2/object.h
index 206ec336d8e1cb99b1dd26f9dad09ea9bd3907a3..a0bd4f362714313bd72c5bc28b7c120bfd4f119f 100644 (file)
--- a/source/libr2c2/object.h
+++ b/source/libr2c2/object.h
@@ -3,6 +3,7 @@
 
 #include "geometry.h"
 #include "objecttype.h"
+#include "snap.h"
 
 namespace R2C2 {
 
@@ -10,12 +11,17 @@ class Layout;
 
 class Object
 {
+public:
+       sigc::signal<void> signal_moved;
+
 protected:
        Layout &layout;
        Vector position;
-       float rotation;
+       Angle rotation;
+       Angle tilt;
+       Shape *shape;
 
-       Object(Layout &l): layout(l) { }
+       Object(Layout &);
 public:
        virtual ~Object() { }
 
@@ -23,11 +29,32 @@ public:
        virtual const ObjectType &get_type() const = 0;
        Layout &get_layout() const { return layout; }
        virtual void set_position(const Vector &) = 0;
-       virtual void set_rotation(float) = 0;
+       virtual void set_rotation(const Angle &) = 0;
+       virtual void set_tilt(const Angle &) = 0;
        const Vector &get_position() const { return position; }
-       float get_rotation() const { return rotation; }
+       const Angle &get_rotation() const { return rotation; }
+       const Angle &get_tilt() const { return tilt; }
        virtual Object *get_parent() const { return 0; }
-       virtual bool collide_ray(const Vector &, const Vector &) const = 0;
+
+       virtual unsigned get_n_snap_nodes() const { return 0; }
+       virtual Snap get_snap_node(unsigned) const;
+       virtual bool snap(Snap &, float, SnapType = SNAP_DEFAULT) const;
+       virtual bool snap_to(const Object &, float, SnapType = SNAP_DEFAULT);
+protected:
+       virtual SnapType get_default_snap_type_to(const Object &) const { return NO_SNAP; }
+
+public:
+       virtual unsigned get_n_link_slots() const { return 0; }
+       virtual Object *get_link(unsigned) const;
+       virtual int get_link_slot(const Object &) const { return -1; }
+       virtual bool link_to(Object &) { return false; }
+       virtual bool break_link(Object &);
+       virtual bool break_link(unsigned) { return false; }
+       virtual void break_links();
+
+       const Shape *get_shape() const;
+       virtual bool collide_ray(const Ray &, float * = 0) const;
+       virtual BoundingBox get_bounding_box() const;
 };
 
 } // namespace R2C2