144 lines
4.3 KiB
C
144 lines
4.3 KiB
C
#ifndef TETRIS_LOGIC_H_
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#define TETRIS_LOGIC_H_
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#include <inttypes.h>
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#include "piece.h"
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/*********
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* types *
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*********/
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typedef struct tetris_logic_t
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{
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uint16_t nScore; // score of the player
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uint16_t nHighscore; // highscore
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uint8_t nLevel; // current level
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uint16_t nLines; // number of completed lines
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tetris_piece_t *pPreviewPiece; // the piece intended to be the next one
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}
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tetris_logic_t;
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/****************************
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* construction/destruction *
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****************************/
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/* Function: tetris_logic_construct
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* Description: constructs a logic object
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* Return value: pointer to a newly created logic object
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*/
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tetris_logic_t *tetris_logic_construct();
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/* Function: tetris_logic_destruct
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* Description: destructs a logic object
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* Argument pIn: pointer to the logic object to be destructed
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* Return value: void
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*/
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void tetris_logic_destruct(tetris_logic_t *pLogic);
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/***************************
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* logic related functions *
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***************************/
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/* Function: tetris
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* Description: runs the tetris game
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* Return value: void
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*/
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void tetris();
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/* Function: tetris_logic_singleDrop
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* Description: add points which result from single step dropping
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* Argument pLogic: the logic object we want to modify
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* Argument nLines: the number of rows involved
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* Return value: void
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*/
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void tetris_logic_singleDrop(tetris_logic_t *pLogic,
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uint8_t nLines);
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/* Function: tetris_logic_completeDrop
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* Description: add points which result from a complete drop
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* Argument pLogic: the logic object we want to modify
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* Argument nLines: the number of rows involved
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* Return value: void
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*/
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void tetris_logic_completeDrop(tetris_logic_t *pLogic,
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uint8_t nLines);
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/* Function: tetris_logic_removedLines
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* Description: add points which result from removed rows
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* Argument pLogic: the logic object we want to modify
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* Argument nRowMask: see tetris_playfield_completeLines
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* Return value: void
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*/
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void tetris_logic_removedLines(tetris_logic_t *pLogic,
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uint8_t nRowMask);
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/*********************
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* get/set functions *
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*********************/
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/* Function: tetris_logic_getScore
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* Description: returns the current score
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* Argument pLogic: the logic object we want information from
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* Return value: the score as uint16_t
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*/
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uint16_t tetris_logic_getScore(tetris_logic_t *pLogic);
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/* Function: tetris_logic_getHighscore
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* Description: returns the current highscore
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* Argument pLogic: the logic object we want information from
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* Return value: the highscore as uint16_t
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*/
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uint16_t tetris_logic_getHighscore(tetris_logic_t *pLogic);
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/* Function: tetris_logic_setHighscore
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* Description: set highscore
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* Argument pLogic: the logic object we want to modify
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* Argmument nHighscore: highscore
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*/
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void tetris_logic_setHighscore(tetris_logic_t *pLogic,
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uint16_t nHighscore);
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/* Function: tetris_logic_getLevel
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* Description: returns the current level
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* Argument pLogic: the logic object we want information from
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* Return value: the level as uint8_t
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*/
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uint8_t tetris_logic_getLevel(tetris_logic_t *pLogic);
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/* Function: tetris_logic_getLines
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* Description: returns the number of completed lines
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* Argument pLogic: the logic object we want information from
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* Return value: number of completed lines as uint16_t
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*/
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uint16_t tetris_logic_getLines(tetris_logic_t *pLogic);
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/* Function: tetris_logic_setPreviewPiece
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* Description: help for the view to determine the preview piece
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* Argument pLogic: the logic object we want to modify
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* Argument pPiece: pointer to piece intended to be the next one
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* Return value: void
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*/
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void tetris_logic_setPreviewPiece(tetris_logic_t *pLogic,
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tetris_piece_t *pPiece);
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/* Function: tetris_logic_getPreviewPiece
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* Description: returns piece which was set via tetris_logic_setPreviewPiece
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* Argument pLogic: the logic object we want information from
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* Return value: the piece intended to be the next one
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*/
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tetris_piece_t* tetris_logic_getPreviewPiece(tetris_logic_t *pLogic);
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#endif /*TETRIS_LOGIC_H_*/
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