8 //! argument to ExhibitSlot::attach
9 enum ExSlotAttachMode {
10 EXSLOT_ATTACH_PERMANENT,
11 EXSLOT_ATTACH_TRANSIENT
14 //! slot which can hold a single exhibit
22 ExhibitSlot(Exhibit *ex = 0);
25 void init(Exhibit *ex);
28 Exhibit *get_exhibit() const;
30 bool attach_exhibit(Exhibit *ex, ExSlotAttachMode mode = EXSLOT_ATTACH_PERMANENT);
31 bool detach_exhibit();
35 class ExhibitManager {
37 std::vector<Exhibit*> items, stashed;
38 std::vector<ExhibitSlot*> exslots;
39 // TODO kdtree of slots for quick nearest queries
41 Scene *own_scn; // scene to manage all exhibits not taken from an existing scene
49 void add(Exhibit *ex);
50 bool remove(Exhibit *ex);
52 bool load(MetaScene *mscn, const char *fname);
54 ExSelection select(const Ray &ray) const;
55 ExSelection select(const Sphere &sph) const;
57 ExhibitSlot *nearest_empty_slot(const Vec3 &pos, float max_dist = 10) const;
59 void stash_exhibit(Exhibit *ex);
61 void update(float dt = 0.0f);