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tetris.h
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/*
* tetris.h
* Copyright © 2008 Martin Duquesnoy <[email protected]>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of the nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/* Libs */
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <signal.h>
#include <termios.h>
#include <sys/time.h>
/* Expension factor of shapes */
#define EXP_FACT 2
/* Frame dimension */
#define FRAMEW (int)(10*2.3)
#define FRAMEH (int)(9*2.3)
#define FRAMEW_NB 15
#define FRAMEH_NB 5
/* Shapes position */
#define N_POS ((current.pos < 3) ? current.pos + 1 : 0)
#define P_POS ((current.pos > 0) ? current.pos - 1 : 3)
/* Draw the score.. */
#define DRAW_SCORE() set_color(Score); \
printf("\033[%d;%dH %d", FRAMEH_NB + 3, FRAMEW + 10, score); \
printf("\033[%d;%dH %d", FRAMEH_NB + 4, FRAMEW + 10, lines); \
set_color(0);
/* Bool type */
typedef enum { False, True } Bool;
/* Shape structure */
typedef struct
{
int num;
int next;
int pos;
int x, y;
Bool last_move;
} shape_t;
/* Color enum */
enum { Black, Blue, Red, Magenta, White, Green, Cyan, Yellow, Border, Score, ColLast };
/* Prototypes */
/* util.c */
void clear_term(void);
void set_cursor(Bool);
void printxy(int, int, int, char*);
void set_color(int);
int nrand(int, int);
void sig_handler(int);
/* frame.c */
void frame_init(void);
void frame_nextbox_init(void);
void frame_refresh(void);
void frame_nextbox_refresh(void);
/* shapes.c */
void shape_set(void);
void shape_unset(void);
void shape_new(void);
void shape_go_down(void);
void shape_set_position(int);
void shape_move(int);
void shape_drop(void);
/* tetris.c */
void arrange_score(int l);
void check_plain_line(void);
int check_possible_pos(int, int);
void get_key_event(void);
/* Variables */
const int shapes[7][4][4][2];
struct itimerval tv;
struct termios back_attr;
shape_t current;
int frame[FRAMEH + 1][FRAMEW + 1];
int frame_nextbox[FRAMEH_NB][FRAMEW_NB];
int score;
int lines;
Bool running;