tetoris_c

public

Small block game in C

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2 commits 1 branch 2 tags 0 releases791.9 KiB

#include <stdio.h>
#include <stdint.h>
#include <stdbool.h>
#include <stdlib.h>

#include <termios.h>
#include <sys/ioctl.h>
#include <sys/stat.h>

#include <time.h>
#include <unistd.h>

#include <errno.h>


/* TETRIS */

#define FIELD_WIDTH 10
#define FIELD_HEIGHT 20

#define BORDER_WIDTH 2
#define TOP_GAP 1

#define FULL_WIDTH (FIELD_WIDTH + BORDER_WIDTH * 2)
#define FULL_HEIGHT (FIELD_HEIGHT + BORDER_WIDTH + TOP_GAP)

typedef enum {
  EMPTY, I_PIECE, J_PIECE, L_PIECE, O_PIECE, S_PIECE, T_PIECE, Z_PIECE, TETRIS
} tetromino;

typedef enum {
  TOP, RIGHT, BOTTOM, LEFT
} direction;

typedef struct {
  tetromino name;
  bool piece[4][4];
  int8_t x;
  int8_t y;
  uint8_t width;
  uint8_t height;
  direction rotation;
} piece;

typedef struct {
  int8_t x;
  int8_t y;
} coord;

tetromino playfield[FULL_HEIGHT][FULL_WIDTH] = {};


void init_field();

void draw_board(piece current_piece, int8_t blink, bool is_piece);

piece init_piece(tetromino new_piece);

coord find_direction(piece current_piece, uint8_t x, uint8_t y);
  

int main () {
  

  /* Setting up the seed */
  
  srand(time(NULL));


  /* Setting up terminal with termios */
  
  struct termios old, new;

  tcgetattr(STDIN_FILENO, &old);
  new = old;

  new.c_lflag &= ~(ECHO | ICANON);
  new.c_cc[VMIN] = 0;
  new.c_cc[VTIME] = 0;

  tcsetattr(STDIN_FILENO, TCSANOW, &new);

  struct winsize init_size, current_size;
  ioctl(STDOUT_FILENO, TIOCGWINSZ, &init_size);
  current_size = init_size;

  printf("\033[?25l\033[?1049h");

  /* Init */

  init_field();


  /* Init the first piece */

  bool is_piece = true;

  piece current_piece = init_piece((rand() % Z_PIECE) + 1);


  uint16_t i;

  for (i = 0;; i = (i + 1) % 20) {

    int8_t move = 0;
    bool down = false;
    bool draw = false;
    bool rotate = false;

    int8_t j, k;

    if (!is_piece) {
      current_piece = init_piece((rand() % Z_PIECE) + 1);
      current_piece.rotation = rand() % (LEFT + 1);
      is_piece = true;
      draw = true;
    }


    /* Take care of the input */


    char buf[10] = {};

    if (read(STDIN_FILENO, buf, sizeof(buf)) > 0) {
      if (buf[0] == 'q') {
        break;
      }

      if (buf[0] == '\033' && buf[1] == '[') {
        
        switch (buf[2]) {
          case 'A':
            rotate = true;
            break;
          case 'B':
            down = true;
            break;
          case 'C':
            move = 1;
            break;
          case 'D':
            move = -1;
            break;
          default:
            break;
        }
      }
    }


    /* Move piece */

    if (move != 0) {
      if (
        current_piece.x + move >= 0 && 
        current_piece.x + move + ((current_piece.rotation % 2) ? current_piece.height : current_piece.width) <= FULL_WIDTH
      ) {
       
       bool is_valid = true;


        for (j = 0; j < current_piece.height; j++) {
          for (k = 0; k < current_piece.width; k++) {

            coord points = find_direction(current_piece, k, j);

            if (
              current_piece.piece[j][k]  && 
              playfield[current_piece.y + points.y][current_piece.x + points.x + move] != EMPTY
            ) {
              is_valid = false;
            }
          }
        }

        if (is_valid) {
          current_piece.x += move;
          draw = true;
        }
      }
    }

    /* Piece rotates */

    /*
    if (rotate) {
      
      direction new_direction = (current_piece.rotation + 1) % (LEFT + 1);

      uint8_t actual_width = (new_direction % 2) ? current_piece.height : current_piece.width;
      uint8_t actual_height = (new_direction % 2) ? current_piece.width : current_piece.height;

      coord new_position = {

      }
    }
    */

    /* Piece falls */

    if (i == 0 || down) {
      current_piece.y++;
      i = 1;
      draw = true;
    }


    /* When a piece is stuck */

    for(j = 0; j < current_piece.height; j++) {
      for (k = 0; k < current_piece.width; k++) {
      
        coord points = find_direction(current_piece, k, j);

        uint8_t x = current_piece.x + points.x;
        uint8_t y = current_piece.y + points.y;

        if (
          y >= FULL_HEIGHT || 
          (playfield[y][x] != EMPTY && current_piece.piece[j][k])
        ) {

          uint8_t l, m;

          for (l = 0; l < current_piece.height; l++) {
            for (m = 0; m < current_piece.width; m++) {
              
              if (current_piece.piece[l][m]) {
                
                coord solid = find_direction(current_piece, m, l);

                playfield[current_piece.y - 1 + solid.y][current_piece.x + solid.x] = current_piece.name;
              }
            }
          }
          is_piece = false;
          draw = true;
        }
      }
    }

    /* Looks if there is a tetris */

    for (j = FIELD_HEIGHT + TOP_GAP - 1; j >= 0; j--) {

      uint8_t is_tetris = 0;

      for (k = 0; k < FIELD_WIDTH; k++) {
        if (playfield[j][k + BORDER_WIDTH] != EMPTY)
          is_tetris++;
      }

      if (is_tetris == 10) {
        
        for (k = 0; k < 4; k++) {
          
          draw_board(current_piece, (k % 2) ? -1 : j, is_piece);

          usleep(300000);
        }

        for (k = j; k > 0; k--) {
          
          int8_t l;
          
          for (l = 0; l < FIELD_WIDTH; l++) {
            playfield[k][l + BORDER_WIDTH] = playfield[k - 1][l + BORDER_WIDTH];
          }
        }
        
        j++;
      }
    }


    /* Looks for game over */

    for (j = 0; j < FIELD_WIDTH; j++) {
      if (playfield[TOP_GAP][j + BORDER_WIDTH] > 0) {
        printf("\033[2J\033[H");
        printf("HAHA LOSER\n");
        sleep(3);
        goto end;
      }
    }


    if (draw)
      draw_board(current_piece, -1, is_piece);
    usleep(10000);
  }

end:

  printf("\033[?1049l\033[?25h");

  tcsetattr(STDIN_FILENO, TCSANOW, &old);

  return 0;
}



void init_field() {
  uint8_t i, j;
  for(i = 0; i < FULL_HEIGHT; i++) {
    for (j = 0; j < FULL_WIDTH; j++) {
      
      if (
        j < BORDER_WIDTH || 
        j >= FULL_WIDTH - BORDER_WIDTH ||
        i >= FULL_HEIGHT - BORDER_WIDTH
      ) {
        playfield[i][j] = TETRIS; 
      } else {
        playfield[i][j] = EMPTY;
      }
    }
  }
}



#define RED "\033[38;2;255;0;0m"
#define GREEN "\033[38;2;0;255;0m"
#define BLUE "\033[38;2;0;0;255m"
#define YELLOW "\033[38;2;255;255;0m"
#define MAGENTA "\033[38;2;255;0;255m"
#define TEAL "\033[38;2;0;255;255m"
#define PURPLE "\033[38;2;127;0;255m"
#define WHITE "\033[38;2;255;255;255m"

void draw_color (tetromino current_square) {
  switch (current_square) {
    case I_PIECE:
      printf("%s", RED);
      break;
    case J_PIECE:
      printf("%s", GREEN);
      break;
    case L_PIECE:
      printf("%s", BLUE);
      break;
    case O_PIECE:
      printf("%s", YELLOW);
      break;
    case S_PIECE:
      printf("%s", MAGENTA);
      break;
    case T_PIECE:
      printf("%s", TEAL);
      break;
    case Z_PIECE:
      printf("%s", PURPLE);
      break;
  } 
}


void draw_board(piece current_piece, int8_t blink, bool is_piece) {

  uint8_t i, j;


  printf("\033[2J\033[H");
  printf("┏");
  for (i = 0; i < FIELD_WIDTH; i++)
    printf("━━");
  printf("┓\n");


  for (i = 0; i < FIELD_HEIGHT; i++) {
    
    printf("┃");

    for (j = 0; j < FIELD_WIDTH; j++) {
      
      if (i + TOP_GAP == blink) {
  
        printf("%s", WHITE);
      } else {


        tetromino current_square = current_square = playfield[i + TOP_GAP][j + BORDER_WIDTH];

        if (is_piece) {

          uint8_t k, l;
          
          for (k = 0; k < current_piece.height; k++) {
            for (l = 0; l < current_piece.width; l++) {

              coord points = find_direction(current_piece, l, k);

              if (
                i == current_piece.y + points.y - TOP_GAP && 
                j == current_piece.x + points.x - BORDER_WIDTH && 
                current_piece.piece[k][l]) 
              {
                current_square = current_piece.name;
              }
            }
          }
        }

        if (current_square <= EMPTY || current_square > Z_PIECE) {
          printf("· ");
          continue;
        }

        draw_color(current_square);
      }
        
      printf("██\033[0m");
    }
    printf("┃\n");
  }

  printf("┗");
  for (i = 0; i < FIELD_WIDTH; i++)
    printf("━━");
  printf("┛\n");

}


piece init_piece(tetromino new_piece) {
  
  piece current_piece = {};

  current_piece.name = new_piece;

  switch (current_piece.name) {
    case I_PIECE:
      current_piece.width = 4;
      current_piece.height = 4;
      
      current_piece.piece[0][0] = false;
      current_piece.piece[0][1] = false;
      current_piece.piece[0][2] = false;
      current_piece.piece[0][3] = false;

      current_piece.piece[1][0] = true;
      current_piece.piece[1][1] = true;
      current_piece.piece[1][2] = true;
      current_piece.piece[1][3] = true;
      
      current_piece.piece[2][0] = false;
      current_piece.piece[2][1] = false;
      current_piece.piece[2][2] = false;
      current_piece.piece[2][3] = false;
      
      current_piece.piece[3][0] = false;
      current_piece.piece[3][1] = false;
      current_piece.piece[3][2] = false;
      current_piece.piece[3][3] = false;
      
      break;

    case J_PIECE:
      current_piece.width = 3;
      current_piece.height = 3;
  
      current_piece.piece[0][0] = true;
      current_piece.piece[0][1] = false;
      current_piece.piece[0][2] = false;
      
      current_piece.piece[1][0] = true;
      current_piece.piece[1][1] = true;
      current_piece.piece[1][2] = true;

      current_piece.piece[2][0] = false;
      current_piece.piece[2][1] = false;
      current_piece.piece[2][2] = false;

      break;

    case L_PIECE:
      current_piece.width = 3;
      current_piece.height = 3;
  
      current_piece.piece[0][0] = false;
      current_piece.piece[0][1] = false;
      current_piece.piece[0][2] = true;
      
      current_piece.piece[1][0] = true;
      current_piece.piece[1][1] = true;
      current_piece.piece[1][2] = true;

      current_piece.piece[2][0] = false;
      current_piece.piece[2][1] = false;
      current_piece.piece[2][2] = false;

      break;

    case O_PIECE:
      current_piece.width = 2;
      current_piece.height = 2;
  
      current_piece.piece[0][0] = true;
      current_piece.piece[0][1] = true;

      current_piece.piece[1][0] = true;
      current_piece.piece[1][1] = true;
      
      break;

    case S_PIECE:
      current_piece.width = 3;
      current_piece.height = 3;
  
      current_piece.piece[0][0] = false;
      current_piece.piece[0][1] = true;
      current_piece.piece[0][2] = true;

      current_piece.piece[1][0] = true;
      current_piece.piece[1][1] = true;
      current_piece.piece[1][2] = false;
 
      current_piece.piece[2][0] = false;
      current_piece.piece[2][1] = false;
      current_piece.piece[2][2] = false;

      break;

    case T_PIECE:
      current_piece.width = 3;
      current_piece.height = 3;
  
      current_piece.piece[0][0] = false;
      current_piece.piece[0][1] = true;
      current_piece.piece[0][2] = false;
      
      current_piece.piece[1][0] = true;
      current_piece.piece[1][1] = true;
      current_piece.piece[1][2] = true;
      
      current_piece.piece[2][0] = false;
      current_piece.piece[2][1] = false;
      current_piece.piece[2][2] = false;

      break;
    case Z_PIECE:
      current_piece.width = 3;
      current_piece.height = 3;
  
      current_piece.piece[0][0] = true;
      current_piece.piece[0][1] = true;
      current_piece.piece[0][2] = false;

      current_piece.piece[1][0] = false;
      current_piece.piece[1][1] = true;
      current_piece.piece[1][2] = true;

      current_piece.piece[2][0] = false;
      current_piece.piece[2][1] = false;
      current_piece.piece[2][2] = false;

      break;
    default:
      perror("Fuck you\n");
      break;
  }

  current_piece.x = (FIELD_WIDTH >> 1) - (current_piece.width >> 1) + BORDER_WIDTH;
  current_piece.y = TOP_GAP;
  current_piece.rotation = TOP;

  return current_piece;
}

coord find_direction(piece current_piece, uint8_t x, uint8_t y) {

  coord points = {
    x,
    y
  };

  switch (current_piece.rotation) {
    case TOP:
      /*
      x = k;
      y = j;
      */
      break;
    case RIGHT:
      points.x = y;
      points.y = current_piece.width - (x + 1);
      break;
    case BOTTOM:
      points.x = current_piece.width - (x + 1);
      points.y = current_piece.height - (y + 1);
      break;
    case LEFT:
      points.x = current_piece.height - (y + 1);
      points.y = x;
      break;
  }

  return points;
}

1	#include <stdio.h>
2	#include <stdint.h>
3	#include <stdbool.h>
4	#include <stdlib.h>
5
6	#include <termios.h>
7	#include <sys/ioctl.h>
8	#include <sys/stat.h>
9
10	#include <time.h>
11	#include <unistd.h>
12
13	#include <errno.h>
14
15
16	/* TETRIS */
17
18	#define FIELD_WIDTH 10
19	#define FIELD_HEIGHT 20
20
21	#define BORDER_WIDTH 2
22	#define TOP_GAP 1
23
24	#define FULL_WIDTH (FIELD_WIDTH + BORDER_WIDTH * 2)
25	#define FULL_HEIGHT (FIELD_HEIGHT + BORDER_WIDTH + TOP_GAP)
26
27	typedef enum {
28	EMPTY, I_PIECE, J_PIECE, L_PIECE, O_PIECE, S_PIECE, T_PIECE, Z_PIECE, TETRIS
29	} tetromino;
30
31	typedef enum {
32	TOP, RIGHT, BOTTOM, LEFT
33	} direction;
34
35	typedef struct {
36	tetromino name;
37	bool piece[4][4];
38	int8_t x;
39	int8_t y;
40	uint8_t width;
41	uint8_t height;
42	direction rotation;
43	} piece;
44
45	typedef struct {
46	int8_t x;
47	int8_t y;
48	} coord;
49
50	tetromino playfield[FULL_HEIGHT][FULL_WIDTH] = {};
51
52
53	void init_field();
54
55	void draw_board(piece current_piece, int8_t blink, bool is_piece);
56
57	piece init_piece(tetromino new_piece);
58
59	coord find_direction(piece current_piece, uint8_t x, uint8_t y);
60
61
62	int main () {
63
64
65	/* Setting up the seed */
66
67	srand(time(NULL));
68
69
70	/* Setting up terminal with termios */
71
72	struct termios old, new;
73
74	tcgetattr(STDIN_FILENO, &old);
75	new = old;
76
77	new.c_lflag &= ~(ECHO \| ICANON);
78	new.c_cc[VMIN] = 0;
79	new.c_cc[VTIME] = 0;
80
81	tcsetattr(STDIN_FILENO, TCSANOW, &new);
82
83	struct winsize init_size, current_size;
84	ioctl(STDOUT_FILENO, TIOCGWINSZ, &init_size);
85	current_size = init_size;
86
87	printf("\033[?25l\033[?1049h");
88
89	/* Init */
90
91	init_field();
92
93
94	/* Init the first piece */
95
96	bool is_piece = true;
97
98	piece current_piece = init_piece((rand() % Z_PIECE) + 1);
99
100
101	uint16_t i;
102
103	for (i = 0;; i = (i + 1) % 20) {
104
105	int8_t move = 0;
106	bool down = false;
107	bool draw = false;
108	bool rotate = false;
109
110	int8_t j, k;
111
112	if (!is_piece) {
113	current_piece = init_piece((rand() % Z_PIECE) + 1);
114	current_piece.rotation = rand() % (LEFT + 1);
115	is_piece = true;
116	draw = true;
117	}
118
119
120	/* Take care of the input */
121
122
123	char buf[10] = {};
124
125	if (read(STDIN_FILENO, buf, sizeof(buf)) > 0) {
126	if (buf[0] == 'q') {
127	break;
128	}
129
130	if (buf[0] == '\033' && buf[1] == '[') {
131
132	switch (buf[2]) {
133	case 'A':
134	rotate = true;
135	break;
136	case 'B':
137	down = true;
138	break;
139	case 'C':
140	move = 1;
141	break;
142	case 'D':
143	move = -1;
144	break;
145	default:
146	break;
147	}
148	}
149	}
150
151
152	/* Move piece */
153
154	if (move != 0) {
155	if (
156	current_piece.x + move >= 0 &&
157	current_piece.x + move + ((current_piece.rotation % 2) ? current_piece.height : current_piece.width) <= FULL_WIDTH
158	) {
159
160	bool is_valid = true;
161
162
163	for (j = 0; j < current_piece.height; j++) {
164	for (k = 0; k < current_piece.width; k++) {
165
166	coord points = find_direction(current_piece, k, j);
167
168	if (
169	current_piece.piece[j][k] &&
170	playfield[current_piece.y + points.y][current_piece.x + points.x + move] != EMPTY
171	) {
172	is_valid = false;
173	}
174	}
175	}
176
177	if (is_valid) {
178	current_piece.x += move;
179	draw = true;
180	}
181	}
182	}
183
184	/* Piece rotates */
185
186	/*
187	if (rotate) {
188
189	direction new_direction = (current_piece.rotation + 1) % (LEFT + 1);
190
191	uint8_t actual_width = (new_direction % 2) ? current_piece.height : current_piece.width;
192	uint8_t actual_height = (new_direction % 2) ? current_piece.width : current_piece.height;
193
194	coord new_position = {
195
196	}
197	}
198	*/
199
200	/* Piece falls */
201
202	if (i == 0 \|\| down) {
203	current_piece.y++;
204	i = 1;
205	draw = true;
206	}
207
208
209	/* When a piece is stuck */
210
211	for(j = 0; j < current_piece.height; j++) {
212	for (k = 0; k < current_piece.width; k++) {
213
214	coord points = find_direction(current_piece, k, j);
215
216	uint8_t x = current_piece.x + points.x;
217	uint8_t y = current_piece.y + points.y;
218
219	if (
220	y >= FULL_HEIGHT \|\|
221	(playfield[y][x] != EMPTY && current_piece.piece[j][k])
222	) {
223
224	uint8_t l, m;
225
226	for (l = 0; l < current_piece.height; l++) {
227	for (m = 0; m < current_piece.width; m++) {
228
229	if (current_piece.piece[l][m]) {
230
231	coord solid = find_direction(current_piece, m, l);
232
233	playfield[current_piece.y - 1 + solid.y][current_piece.x + solid.x] = current_piece.name;
234	}
235	}
236	}
237	is_piece = false;
238	draw = true;
239	}
240	}
241	}
242
243	/* Looks if there is a tetris */
244
245	for (j = FIELD_HEIGHT + TOP_GAP - 1; j >= 0; j--) {
246
247	uint8_t is_tetris = 0;
248
249	for (k = 0; k < FIELD_WIDTH; k++) {
250	if (playfield[j][k + BORDER_WIDTH] != EMPTY)
251	is_tetris++;
252	}
253
254	if (is_tetris == 10) {
255
256	for (k = 0; k < 4; k++) {
257
258	draw_board(current_piece, (k % 2) ? -1 : j, is_piece);
259
260	usleep(300000);
261	}
262
263	for (k = j; k > 0; k--) {
264
265	int8_t l;
266
267	for (l = 0; l < FIELD_WIDTH; l++) {
268	playfield[k][l + BORDER_WIDTH] = playfield[k - 1][l + BORDER_WIDTH];
269	}
270	}
271
272	j++;
273	}
274	}
275
276
277	/* Looks for game over */
278
279	for (j = 0; j < FIELD_WIDTH; j++) {
280	if (playfield[TOP_GAP][j + BORDER_WIDTH] > 0) {
281	printf("\033[2J\033[H");
282	printf("HAHA LOSER\n");
283	sleep(3);
284	goto end;
285	}
286	}
287
288
289	if (draw)
290	draw_board(current_piece, -1, is_piece);
291	usleep(10000);
292	}
293
294	end:
295
296	printf("\033[?1049l\033[?25h");
297
298	tcsetattr(STDIN_FILENO, TCSANOW, &old);
299
300	return 0;
301	}
302
303
304
305	void init_field() {
306	uint8_t i, j;
307	for(i = 0; i < FULL_HEIGHT; i++) {
308	for (j = 0; j < FULL_WIDTH; j++) {
309
310	if (
311	j < BORDER_WIDTH \|\|
312	j >= FULL_WIDTH - BORDER_WIDTH \|\|
313	i >= FULL_HEIGHT - BORDER_WIDTH
314	) {
315	playfield[i][j] = TETRIS;
316	} else {
317	playfield[i][j] = EMPTY;
318	}
319	}
320	}
321	}
322
323
324
325	#define RED "\033[38;2;255;0;0m"
326	#define GREEN "\033[38;2;0;255;0m"
327	#define BLUE "\033[38;2;0;0;255m"
328	#define YELLOW "\033[38;2;255;255;0m"
329	#define MAGENTA "\033[38;2;255;0;255m"
330	#define TEAL "\033[38;2;0;255;255m"
331	#define PURPLE "\033[38;2;127;0;255m"
332	#define WHITE "\033[38;2;255;255;255m"
333
334	void draw_color (tetromino current_square) {
335	switch (current_square) {
336	case I_PIECE:
337	printf("%s", RED);
338	break;
339	case J_PIECE:
340	printf("%s", GREEN);
341	break;
342	case L_PIECE:
343	printf("%s", BLUE);
344	break;
345	case O_PIECE:
346	printf("%s", YELLOW);
347	break;
348	case S_PIECE:
349	printf("%s", MAGENTA);
350	break;
351	case T_PIECE:
352	printf("%s", TEAL);
353	break;
354	case Z_PIECE:
355	printf("%s", PURPLE);
356	break;
357	}
358	}
359
360
361	void draw_board(piece current_piece, int8_t blink, bool is_piece) {
362
363	uint8_t i, j;
364
365
366	printf("\033[2J\033[H");
367	printf("┏");
368	for (i = 0; i < FIELD_WIDTH; i++)
369	printf("━━");
370	printf("┓\n");
371
372
373	for (i = 0; i < FIELD_HEIGHT; i++) {
374
375	printf("┃");
376
377	for (j = 0; j < FIELD_WIDTH; j++) {
378
379	if (i + TOP_GAP == blink) {
380
381	printf("%s", WHITE);
382	} else {
383
384
385	tetromino current_square = current_square = playfield[i + TOP_GAP][j + BORDER_WIDTH];
386
387	if (is_piece) {
388
389	uint8_t k, l;
390
391	for (k = 0; k < current_piece.height; k++) {
392	for (l = 0; l < current_piece.width; l++) {
393
394	coord points = find_direction(current_piece, l, k);
395
396	if (
397	i == current_piece.y + points.y - TOP_GAP &&
398	j == current_piece.x + points.x - BORDER_WIDTH &&
399	current_piece.piece[k][l])
400	{
401	current_square = current_piece.name;
402	}
403	}
404	}
405	}
406
407	if (current_square <= EMPTY \|\| current_square > Z_PIECE) {
408	printf("· ");
409	continue;
410	}
411
412	draw_color(current_square);
413	}
414
415	printf("██\033[0m");
416	}
417	printf("┃\n");
418	}
419
420	printf("┗");
421	for (i = 0; i < FIELD_WIDTH; i++)
422	printf("━━");
423	printf("┛\n");
424
425	}
426
427
428	piece init_piece(tetromino new_piece) {
429
430	piece current_piece = {};
431
432	current_piece.name = new_piece;
433
434	switch (current_piece.name) {
435	case I_PIECE:
436	current_piece.width = 4;
437	current_piece.height = 4;
438
439	current_piece.piece[0][0] = false;
440	current_piece.piece[0][1] = false;
441	current_piece.piece[0][2] = false;
442	current_piece.piece[0][3] = false;
443
444	current_piece.piece[1][0] = true;
445	current_piece.piece[1][1] = true;
446	current_piece.piece[1][2] = true;
447	current_piece.piece[1][3] = true;
448
449	current_piece.piece[2][0] = false;
450	current_piece.piece[2][1] = false;
451	current_piece.piece[2][2] = false;
452	current_piece.piece[2][3] = false;
453
454	current_piece.piece[3][0] = false;
455	current_piece.piece[3][1] = false;
456	current_piece.piece[3][2] = false;
457	current_piece.piece[3][3] = false;
458
459	break;
460
461	case J_PIECE:
462	current_piece.width = 3;
463	current_piece.height = 3;
464
465	current_piece.piece[0][0] = true;
466	current_piece.piece[0][1] = false;
467	current_piece.piece[0][2] = false;
468
469	current_piece.piece[1][0] = true;
470	current_piece.piece[1][1] = true;
471	current_piece.piece[1][2] = true;
472
473	current_piece.piece[2][0] = false;
474	current_piece.piece[2][1] = false;
475	current_piece.piece[2][2] = false;
476
477	break;
478
479	case L_PIECE:
480	current_piece.width = 3;
481	current_piece.height = 3;
482
483	current_piece.piece[0][0] = false;
484	current_piece.piece[0][1] = false;
485	current_piece.piece[0][2] = true;
486
487	current_piece.piece[1][0] = true;
488	current_piece.piece[1][1] = true;
489	current_piece.piece[1][2] = true;
490
491	current_piece.piece[2][0] = false;
492	current_piece.piece[2][1] = false;
493	current_piece.piece[2][2] = false;
494
495	break;
496
497	case O_PIECE:
498	current_piece.width = 2;
499	current_piece.height = 2;
500
501	current_piece.piece[0][0] = true;
502	current_piece.piece[0][1] = true;
503
504	current_piece.piece[1][0] = true;
505	current_piece.piece[1][1] = true;
506
507	break;
508
509	case S_PIECE:
510	current_piece.width = 3;
511	current_piece.height = 3;
512
513	current_piece.piece[0][0] = false;
514	current_piece.piece[0][1] = true;
515	current_piece.piece[0][2] = true;
516
517	current_piece.piece[1][0] = true;
518	current_piece.piece[1][1] = true;
519	current_piece.piece[1][2] = false;
520
521	current_piece.piece[2][0] = false;
522	current_piece.piece[2][1] = false;
523	current_piece.piece[2][2] = false;
524
525	break;
526
527	case T_PIECE:
528	current_piece.width = 3;
529	current_piece.height = 3;
530
531	current_piece.piece[0][0] = false;
532	current_piece.piece[0][1] = true;
533	current_piece.piece[0][2] = false;
534
535	current_piece.piece[1][0] = true;
536	current_piece.piece[1][1] = true;
537	current_piece.piece[1][2] = true;
538
539	current_piece.piece[2][0] = false;
540	current_piece.piece[2][1] = false;
541	current_piece.piece[2][2] = false;
542
543	break;
544	case Z_PIECE:
545	current_piece.width = 3;
546	current_piece.height = 3;
547
548	current_piece.piece[0][0] = true;
549	current_piece.piece[0][1] = true;
550	current_piece.piece[0][2] = false;
551
552	current_piece.piece[1][0] = false;
553	current_piece.piece[1][1] = true;
554	current_piece.piece[1][2] = true;
555
556	current_piece.piece[2][0] = false;
557	current_piece.piece[2][1] = false;
558	current_piece.piece[2][2] = false;
559
560	break;
561	default:
562	perror("Fuck you\n");
563	break;
564	}
565
566	current_piece.x = (FIELD_WIDTH >> 1) - (current_piece.width >> 1) + BORDER_WIDTH;
567	current_piece.y = TOP_GAP;
568	current_piece.rotation = TOP;
569
570	return current_piece;
571	}
572
573	coord find_direction(piece current_piece, uint8_t x, uint8_t y) {
574
575	coord points = {
576	x,
577	y
578	};
579
580	switch (current_piece.rotation) {
581	case TOP:
582	/*
583	x = k;
584	y = j;
585	*/
586	break;
587	case RIGHT:
588	points.x = y;
589	points.y = current_piece.width - (x + 1);
590	break;
591	case BOTTOM:
592	points.x = current_piece.width - (x + 1);
593	points.y = current_piece.height - (y + 1);
594	break;
595	case LEFT:
596	points.x = current_piece.height - (y + 1);
597	points.y = x;
598	break;
599	}
600
601	return points;
602	}