coeng
annotate src/comp.h @ 10:305c8f6abef1
the plane doesn't need a PRS really
| author | John Tsiombikas <nuclear@member.fsf.org> |
|---|---|
| date | Sun, 15 Feb 2015 05:25:04 +0200 |
| parents | 2f872a179914 |
| children |
| rev | line source |
|---|---|
| nuclear@0 | 1 #ifndef COMP_H_ |
| nuclear@0 | 2 #define COMP_H_ |
| nuclear@0 | 3 |
| nuclear@1 | 4 #include <string> |
| nuclear@0 | 5 |
| nuclear@6 | 6 #ifdef NDEBUG |
| nuclear@6 | 7 #define COCAST(type, x) ((type*)x) |
| nuclear@6 | 8 #else |
| nuclear@6 | 9 #define COCAST(type, x) dynamic_cast<type*>(x) |
| nuclear@6 | 10 #endif |
| nuclear@6 | 11 |
| nuclear@8 | 12 // for the second arg of the various gobj_co_whatever() functions |
| nuclear@8 | 13 #define COGET_NOFAIL true |
| nuclear@8 | 14 #define COGET_FAIL false |
| nuclear@8 | 15 |
| nuclear@6 | 16 class GObject; |
| nuclear@1 | 17 |
| nuclear@0 | 18 class Component { |
| nuclear@1 | 19 protected: |
| nuclear@2 | 20 const char *name; |
| nuclear@6 | 21 GObject *gobj; |
| nuclear@6 | 22 |
| nuclear@6 | 23 /* attach/detach to a particular GObject. |
| nuclear@6 | 24 * This is only called from GObject::add_component and |
| nuclear@6 | 25 * GObject::remove_component respectively |
| nuclear@6 | 26 */ |
| nuclear@6 | 27 virtual void attach(GObject *gobj); |
| nuclear@6 | 28 virtual void detach(); |
| nuclear@6 | 29 |
| nuclear@6 | 30 /* Returns an array of component names which depend on this and |
| nuclear@6 | 31 * must not be updated first if both exist in the same object. |
| nuclear@6 | 32 * Terminated by a null pointer. |
| nuclear@6 | 33 */ |
| nuclear@6 | 34 virtual const char **update_before() const; |
| nuclear@1 | 35 |
| nuclear@0 | 36 public: |
| nuclear@2 | 37 Component(); |
| nuclear@2 | 38 virtual ~Component(); |
| nuclear@1 | 39 |
| nuclear@1 | 40 const char *get_name() const; |
| nuclear@8 | 41 GObject *get_object() const; |
| nuclear@1 | 42 |
| nuclear@6 | 43 virtual void update(float dt); |
| nuclear@6 | 44 virtual void draw() const; |
| nuclear@1 | 45 |
| nuclear@6 | 46 friend class GObject; |
| nuclear@1 | 47 }; |
| nuclear@1 | 48 |
| nuclear@2 | 49 void register_component(const char *name, Component *(*cons_func)()); |
| nuclear@2 | 50 Component *create_component(const char *name); |
| nuclear@0 | 51 |
| nuclear@0 | 52 #endif // COMP_H_ |