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#ifndef TETRIS_HIGHSCORE_H_
#define TETRIS_HIGHSCORE_H_
#include <stdint.h>
#include "../../compat/eeprom.h"
/**
* indexes for different tetris variants
*/
enum tetris_highscore_index
{
TETRIS_HISCORE_TETRIS, /**< high score index for the standard variant */
TETRIS_HISCORE_BASTET, /**< high score index for the bastet variant */
TETRIS_HISCORE_FP, /**< high score index for the first person variant */
TETRIS_HISCORE_PAD, /**< don't use (padding for an even array boundary)*/
TETRIS_HISCORE_END /**< boundary for the high score array */
};
#ifdef NDEBUG
typedef uint8_t tetris_highscore_index_t;
#else
typedef enum tetris_highscore_index tetris_highscore_index_t;
#endif
// global array for the high score
extern uint16_t tetris_highscore[TETRIS_HISCORE_END] EEMEM;
// global array for the champion's initials
extern uint16_t tetris_highscore_name[TETRIS_HISCORE_END] EEMEM;
/**
* lets the user enter his initials (three characters)
* @return name packed into a uint16_t
*/
uint16_t tetris_highscore_inputName(void);
/**
* retrieves the high score from storage (EEPROM)
* @param nIndex the variant dependent index of the high score
* @return the high score
*/
uint16_t tetris_highscore_retrieveHighscore(tetris_highscore_index_t nIndex);
/**
* saves the high score into the storage (EEPROM)
* @param nIdx the variant dependent index of the high score
* @param nHighscoreName the high score
*/
inline static
void tetris_highscore_saveHighscore(tetris_highscore_index_t nIndex,
uint16_t nHighscore)
{
if (nHighscore > tetris_highscore_retrieveHighscore(nIndex))
{
eeprom_write_word(&tetris_highscore[nIndex], nHighscore);
}
}
/**
* retrieves the champion's initials from storage (EEPROM)
* @param nIdx the variant dependent index of the high score
* @return the initials of the champion packed into a uint16_t
*/
inline static
uint16_t tetris_highscore_retrieveHighscoreName(tetris_highscore_index_t nIdx)
{
uint16_t nHighscoreName =
eeprom_read_word(&tetris_highscore_name[nIdx]);
return nHighscoreName;
}
/**
* saves the champion's initials into the storage (EEPROM)
* @param nIndex the variant dependent index of the high score
* @param nHighscoreName the initials of the champion packed into a uint16_t
*/
inline static
void tetris_highscore_saveHighscoreName(tetris_highscore_index_t nIndex,
uint16_t nHighscoreName)
{
eeprom_write_word(&tetris_highscore_name[nIndex], nHighscoreName);
}
#endif /*TETRIS_HIGHSCORE_H_*/