borgware-2d/games/tetris/view.h

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#ifndef TETRIS_VIEW_H_
#define TETRIS_VIEW_H_
#include <inttypes.h>
#include "logic.h"
#include "piece.h"
#include "playfield.h"
/*********
* types *
*********/
// presentation modes
typedef enum tetris_view_mode_t
{
TETRIS_VIMO_PAUSED,
TETRIS_VIMO_RUNNING
}
tetris_view_mode_t;
typedef struct tetris_view_t
{
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tetris_logic_t *pLogic; // associated logic object
tetris_playfield_t *pPl; // associated playfield
tetris_view_mode_t modeCurrent; // current presentation mode
tetris_view_mode_t modeOld; // old presentation mode
uint8_t nOldLevel; // helper variable to recognize level changes
}
tetris_view_t;
/*****************************
* construction/destruction *
*****************************/
/* Function: tetris_view_construct
* Description: constructs a view for André's borg
* Argument pPl: pointer to logic object which should be observed
* Argument pPl: pointer to playfield which should be observed
* Return value: pointer to a newly created view
*/
tetris_view_t *tetris_view_construct(tetris_logic_t *pLogic,
tetris_playfield_t *pPl);
/* Function: tetris_view_destruct
* Description: destructs a view
* Argument pView: pointer to the view to be destructed
* Return value: void
*/
void tetris_view_destruct(tetris_view_t *pView);
/***************************
* view related functions *
***************************/
/* Function: tetris_view_getDimensions
* Description: destructs a view
* Argument w: [out] pointer to an int8_t to store the playfield width
* Argument h: [out] pointer to an int8_t to store the playfield height
* Return value: void
*/
void tetris_view_getDimensions(int8_t *w,
int8_t *h);
/* Function: tetris_view_setViewMode
* Description: sets the view mode (pause or running)
* Argument pV: pointer to the view whose mode should be set
* Argument vm: see definition of tetris_view_mode_t
* Return value: void
*/
void tetris_view_setViewMode(tetris_view_t *pV, tetris_view_mode_t vm);
/* Function: tetris_view_update
* Description: informs a view about changes in the game
* Argument pV: pointer to the view which should be updated
* Return value: void
*/
void tetris_view_update(tetris_view_t *pV);
/* Function: tetris_view_showResults
* Description: shows results after game
* Argument pV: pointer to the view which should show the reults
* Return value: void
*/
void tetris_view_showResults(tetris_view_t *pV);
#endif /*TETRIS_VIEW_H_*/