X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Flibr2c2%2Fobject.h;h=33b99a1443acb3b2f7452c8236e91354ab5ed8a4;hb=8b7d4054b05002d82338775ac9b4ee764a8560e4;hp=206ec336d8e1cb99b1dd26f9dad09ea9bd3907a3;hpb=2910db1364914c0ab98a0f80250cc39137821577;p=r2c2.git

diff --git a/source/libr2c2/object.h b/source/libr2c2/object.h
index 206ec33..33b99a1 100644
--- 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 {
 
@@ -27,6 +28,23 @@ public:
 	const Vector &get_position() const { return position; }
 	float get_rotation() const { return rotation; }
 	virtual Object *get_parent() const { return 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();
+
 	virtual bool collide_ray(const Vector &, const Vector &) const = 0;
 };