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added a function for changing a piece's shape

This commit is contained in:
Christian Kroll 2009-10-31 15:15:00 +00:00
parent cc0f4e3cf5
commit 072964dc6d
2 changed files with 24 additions and 1 deletions
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14
games/tetris/piece.c
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@ -117,3 +117,17 @@ void tetris_piece_rotate(tetris_piece_t *pPc,
} }
} }
/* Function: tetris_piece_change
* Description: changes the shape of a piece
* Argument pPc: piece to change
* Argument shape: the shape of interest
* Return value: void
*/
void tetris_piece_change(tetris_piece_t *pPc,
tetris_piece_shape_t shape)
{
assert(pPc != NULL);
assert((shape >= 0) && (shape <= TETRIS_PC_Z));
pPc->shape = shape;
}

11
games/tetris/piece.h
View File

@ -74,7 +74,7 @@ tetris_piece_t *tetris_piece_construct(tetris_piece_shape_t s,
****************************/ ****************************/
/* Function: tetris_piece_getBitmap /* Function: tetris_piece_getBitmap
* Description: returns bitfield representation of the piece * Description: returns bitfield representation of the piece
* Argument pPc: piece from which the bitfield shuld be retrieved * Argument pPc: piece from which the bitfield shuld be retrieved
* Return value: bitfield representation of the piece * Return value: bitfield representation of the piece
* - nth nibble is nth row of the piece (from upper left) * - nth nibble is nth row of the piece (from upper left)
@ -93,5 +93,14 @@ void tetris_piece_rotate(tetris_piece_t *pPc,
tetris_piece_rotation_t r); tetris_piece_rotation_t r);
/* Function: tetris_piece_change
* Description: changes the shape of a piece
* Argument pPc: piece to change
* Argument shape: the shape of interest
* Return value: void
*/
void tetris_piece_change(tetris_piece_t *pPc,
tetris_piece_shape_t shape);
#endif /*TETRIS_PIECE_H_*/ #endif /*TETRIS_PIECE_H_*/