coeng
diff src/comp.h @ 6:2f872a179914
first component test:
- prs, xform, physics components with dependencies
- topological sort of components to update them in the correct order
- debug visualization component
todo: remove draw() from components, doesn't make sense
| author | John Tsiombikas <nuclear@member.fsf.org> |
|---|---|
| date | Sat, 14 Feb 2015 07:27:12 +0200 |
| parents | 4a1c9597f4d3 |
| children | 8cce82794f90 |
line diff
1.1 --- a/src/comp.h Sat Feb 14 01:35:42 2015 +0200 1.2 +++ b/src/comp.h Sat Feb 14 07:27:12 2015 +0200 1.3 @@ -3,13 +3,31 @@ 1.4 1.5 #include <string> 1.6 1.7 -class GameObject; 1.8 +#ifdef NDEBUG 1.9 +#define COCAST(type, x) ((type*)x) 1.10 +#else 1.11 +#define COCAST(type, x) dynamic_cast<type*>(x) 1.12 +#endif 1.13 + 1.14 +class GObject; 1.15 1.16 class Component { 1.17 protected: 1.18 const char *name; 1.19 - GameObject *gobj; 1.20 - int upd_prio; // update priority (0: normal) 1.21 + GObject *gobj; 1.22 + 1.23 + /* attach/detach to a particular GObject. 1.24 + * This is only called from GObject::add_component and 1.25 + * GObject::remove_component respectively 1.26 + */ 1.27 + virtual void attach(GObject *gobj); 1.28 + virtual void detach(); 1.29 + 1.30 + /* Returns an array of component names which depend on this and 1.31 + * must not be updated first if both exist in the same object. 1.32 + * Terminated by a null pointer. 1.33 + */ 1.34 + virtual const char **update_before() const; 1.35 1.36 public: 1.37 Component(); 1.38 @@ -17,11 +35,10 @@ 1.39 1.40 const char *get_name() const; 1.41 1.42 - virtual void update(); 1.43 + virtual void update(float dt); 1.44 + virtual void draw() const; 1.45 1.46 - bool operator <(const Component &c) const; // for sorting based on priority 1.47 - 1.48 - friend class GameObject; 1.49 + friend class GObject; 1.50 }; 1.51 1.52 void register_component(const char *name, Component *(*cons_func)());