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#ifndef __H_GAME_OBJECT__
#define __H_GAME_OBJECT__
/**
* This file, as the rest of the project is under MIT license.
* see http://opensource.org/licenses/MIT
*
* Author Gustav Hartvigsson <gustav.hartvigsson _at_ gmail.com> 2014
*/
#include <SDL2/SDL.h>
#include <stdbool.h>
/******************************************************************************
* Object declaration.
*****************************************************************************/
typedef struct GameObjectClass {
GameObjectFreeFunc free_func;
GameObjectDrawFunc draw_func;
GameObjectCallbackHandlerFunc callback_handler_func;
GameObjectSetCallbackFunc set_callback_func;
GameObjectMoveFunc move_func;
GameObjectSetMovementDeltaFunc set_movement_delta_func;
GameObjectGetBoundingBoxFunc get_bounding_box_func;
GameObjectGetIsAliveFunc get_is_alive_func;
GameObjectGetIsCollideFunc get_is_collide_func;
} GameObjectClass;
typedef struct GameObject {
GameObjectClass * klass; /**< the class that holds all the virtual
* functions. */
void * priv; /**< The private data. */
} GameObject;
/******************************************************************************
* Function pointer declarations.
*****************************************************************************/
typedef void (* GameObjectCallbackFunc)(GameObject * self, void * data);
typedef void (* GameObjectFreeFunc)(GameObject * self);
typedef void (* GameObjectDrawFunc)(GameObject * self, SDL_Renderer * renderer);
typedef void (* GameObjectCallbackHandlerFunc)(GameObject * self, char * name);
typedef void (* GameObjectSetCallbackFunc)(GameObject * self, char * name,\
GameObjectCallbackFunc callback_func,
void * data);
typedef void (* GameObjectMoveFunc)(GameObject * self);
typedef void (* GameObjectSetMovementDeltaFunc)(GameObject * self, int delta_x,\
int delta_y, Uint32 time_delta);
typedef SDL_Rect (* GameObjectGetBoundingBoxFunc)(GameObject * self);
typedef bool (* GameObjectGetIsAliveFunc)(GameObject * self);
typedef bool (* GameObjectGetIsCollideFunc)(GameObject * self,
GameObject * other);
/******************************************************************************
* Game Object base functions.
*****************************************************************************/
void game_object_free (GameObject * self);
GameObjectClass * game_object_get_class (GameObject * self);
void game_object_set_class (GameObject * self, GameObjectClass * klass);
void game_object_draw (GameObject * self, SDL_Renderer * renderer);
void game_object_move (GameObject * self);
void game_object_set_movement_delta (GameObject * self, int delta_x,
int delta_y, uint32_t d_t);
bool game_object_get_is_alive (GameObject * self);
void game_object_set_callback (GameObject * self, char * name,
GameObjectCallbackFunc callback_func,
void * data);
void game_object_do_callback (GameObject * self, char * name);
/******************************************************************************
* Game Object set virtual function functions.
*****************************************************************************/
void game_object_set_free_func (GameObject * self,
GameObjectFreeFunc free_func);
void game_object_set_draw_func (GameObject * self,
GameObjectDrawFunc draw_func);
void game_object_set_callback_handler_func (GameObject * self,
GameObjectCallbackHandlerFunc callback_handler_func);
void game_object_set_add_callback_func (GameObject * self,
GameObjectSetCallbackFunc add_callback_func);
void game_object_set_move_func (GameObject * self,
GameObjectMoveFunc move_func);
void game_object_set_set_move_delta_func (GameObject * self,
GameObjectSetMovementDeltaFunc set_movent_delta_func);
void game_object_set_get_bounding_box_func (GameObject * self,
GameObjectGetBoundingBoxFunc get_bounding_box_func);
void game_object_set_movment_delta (GameObject * self, int delta_x,
int delta_y, uint32_t delta_time);
void game_object_set_get_is_alive_func (GameObject * self,
GameObjectGetIsAliveFunc get_is_alive_func);
void game_object_set_is_collide_func (GameObject * self,
GameObjectGetIsCollideFunc is_collide_func);
#endif /* __H_GAME_OBJECT__ */
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