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Viewing changes to GameObject.h

  • Committer: Gustav Hartvigsson
  • Date: 2013-09-28 14:08:09 UTC
  • Revision ID: gustav.hartvigsson@gmail.com-20130928140809-fht3gh31sb5gxrp5
Added the skeliton for game objects that. They can be used as a basis for a
game where many objects share the same interface.

TODO: Make the .c file.

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GameObject.h
 
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#ifndef __H_GAME_OBJECT__
 
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#define __H_GAME_OBJECT__
 
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#include <SDL2/SDL.h>
 
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#include <stdbool.h>
 
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typedef struct _GameObject GameObject;
 
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typedef struct _GameObjectClass GameObjectClass;
 
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typedef struct _GameObjectPriv GameObjectPriv;
 
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/******************************************************************************
 
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 * Function pointer declarations.
 
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 *****************************************************************************/
 
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typedef void (* GameObjectCallbackFunc)(GameObject * self, void * data);
 
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typedef void (* GameObjectFreeFunc)(GameObject * self);
 
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typedef void (* GameObjectDrawFunc)(GameObject * self, SDL_Renderer * renderer);
 
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typedef void (* GameObjectCallbackHandlerFunc)(GameObject * self, char * name);
 
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typedef void (* GameObjectAddCallbackFunc)(GamoObject * self, char * self,\
 
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                                      GameObjectCallbackFunc callback_func);
 
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typedef void (* GameObjectMoveFunc)(GameObject * self);
 
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typedef void (* GameObjectSetMovementDeltaFunc)(GameObject * self, int delta_x,\
 
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                                      int delta_y, Uint32 time_delta);
 
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typedef SDL_Rect (* GameObjectGetBoundingBoxFunc)(GameObject * self);
 
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typedef bool (* GameObjectGetIsAliveFunc)(GameObject * self);
 
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/******************************************************************************
 
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 * Object declaration.
 
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 *****************************************************************************/
 
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struct _GameObjectClass {
 
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  GameObjectFreeFunc                     free_func;
 
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  GameObjectDrawFunc                     draw_func;
 
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  GameObjectCallbackHandlerFunc          callback_handler_func;
 
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  GameObjectAddCallbackFunc              add_callback_func;
 
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  GameObjectMoveFunc                     move_func;
 
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  GameObjectSetMovementDeltaFunc         set_movement_delta_func;
 
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  GameObjectGetBoundingBoxFunc           get_bounding_box_func;
 
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  GameObjectGetIsAliveFunc               get_is_alive_func;
 
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};
 
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struct _GameObjectPriv {}; /**< prototype for the private data */
 
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struct _GameObject {
 
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  GameObjectClass *      klass; /**< the class that holds all the virtual
 
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                                  * functions. */
 
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  GameObjectPriv *       priv; /**< The private data. */
 
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};
 
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/******************************************************************************
 
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 * Game Object base functions.
 
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 *****************************************************************************/
 
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void game_object_free (GameObject * self);
 
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GameObjectClass * game_object_get_class (GameObject * self);
 
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void game_object_set_class (GameObject * self, GameObjectClass * klass);
 
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void game_object_draw (GameObject * self, SDL_Renderer * renderer);
 
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void game_object_move (GameObject * self);
 
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bool game_object_get_is_alive (GameObject * self);
 
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void game_object_set_callback (GameObject * self, const char * name,
 
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                               void * data);
 
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void game_object_do_callback (GameObject * self, const char * name);
 
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/******************************************************************************
 
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 * Game Object set virtual function functions.
 
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 *****************************************************************************/
 
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void game_object_set_free_func (GameObject * self,
 
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                                GameObjectFreeFunc free_func);
 
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void game_object_set_draw_func (GameObject * self,
 
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                                GameObjectDrawFunc draw_func);
 
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void game_object_set_callback_handler_func (GameObject * self,
 
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                           GameObjectCallbackHandlerFunc callback_handler_func);
 
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void game_object_set_add_callback_func (GameObject * self,
 
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                                   GameObjectAddCallbackFunc add_callback_func);
 
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void game_object_set_move_func (GameObject * self,
 
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                                GameObjectMoveFunc move_func);
 
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void game_object_set_set_move_delta_func (GameObject * self,
 
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                          GameObjectSetMovementDeltaFunc set_movent_delta_func);
 
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void game_object_set_get_bounding_box_func (GameObject * self,
 
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                            GameObjectGetBoundingBoxFunc get_bounding_box_func);
 
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void game_object_set_movment_delta (GameObject * self, int delta_x,
 
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                                    int delta_y, uint32 delta_time);
 
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void game_object_set_get_is_alive_func (GameObject * self,
 
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                                    GameObjectGetIsAliveFunc get_is_alive_func);
 
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#endif /* __H_GAME_OBJECT__ */