156 lines
2.6 KiB
C
156 lines
2.6 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <forza4.h>
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#include <errExit.h>
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#include <structures.h>
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tile_t *_BOARD;
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int _ROWS;
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int _COLLUMS;
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char _TOKEN1;
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char _TOKEN2;
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void setRows(int rows) {
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_ROWS = rows;
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}
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void setCollums(int collums) {
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_COLLUMS = collums;
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}
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void setDimension(int rows, int collums) {
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setRows(rows);
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setCollums(collums);
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}
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void setTokens(char t1, char t2) {
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_TOKEN1 = t1;
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_TOKEN2 = t2;
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}
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int getIndex(int i, int j) {
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return i * _COLLUMS + j;
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}
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int checkLine(int pos, int delta) {
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int count = 1, i;
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i = pos - delta;
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while (isValid(i) && _BOARD[pos] == _BOARD[i]) {
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count++;
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i -= delta;
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}
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i = pos + delta;
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while (isValid(i) && _BOARD[pos] == _BOARD[i]) {
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count++;
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i += delta;
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}
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return count >= 4;
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}
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// checks _BOARD for a win
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// returns player id on win, otherwise -1
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int checkWin(int pos) {
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int result = checkLine(pos, ORIZONTAL);
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if (result) {
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return _BOARD[pos] - 1;
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}
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result = checkLine(pos, VERTICAL);
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if (result) {
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return _BOARD[pos] - 1;
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}
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result = checkLine(pos, DIAGONAL);
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if (result) {
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return _BOARD[pos] - 1;
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}
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result = checkLine(pos, DIAGONAL_INV);
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if (result) {
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return _BOARD[pos] - 1;
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}
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return -1;
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}
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int checkWinAll(){
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for (int i=0; i <_ROWS *_COLLUMS; i++) {
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if (checkWin(i) != EMPTY) {
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return checkWin(i);
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}
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}
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return EMPTY;
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}
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void printBoard() {
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if (CLEAR) {
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system("clear");
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}
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for (int i=0; i < _ROWS; i++) {
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printf("|");
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for (int j=0; j < _COLLUMS; j++) {
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printf(" ");
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printTile(_BOARD[getIndex(i, j)]);
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printf(" ");
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}
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printf("|\n");
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}
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for (int i=0; i<_COLLUMS; i++) {
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printf("---");
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}
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printf("--\n");
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}
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void printTile(tile_t t) {
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switch(t) {
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case EMPTY:
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printf(" ");
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break;
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case PLAYER1:
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printf("\033[94m%c\033[39m", _TOKEN1);
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break;
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case PLAYER2:
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printf("\033[91m%c\033[39m", _TOKEN2);
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break;
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}
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}
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// ritorna la posizione in cui il giocatore potra iserire la sua mossa
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int checkMove(int collums) {
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if (collums < 0 || collums >= _COLLUMS) {
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char buf[100];
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sprintf(buf, "the collums must be between 1 and %d", _COLLUMS);
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warningMsg(buf);
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return -1;
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}
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if (_BOARD[collums] != EMPTY) {
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char buf[100];
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sprintf(buf, "the collum %d is full", collums + 1);
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warningMsg(buf);
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return -1;
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}
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int pos = collums;
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while (isValid(pos + VERTICAL) && _BOARD[pos + VERTICAL] == EMPTY) {
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pos += VERTICAL;
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}
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return pos;
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}
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void insertMove(int pos, int turn) {
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printf("playing %d in %d\n", (turn == 0) ? PLAYER1 : PLAYER2, pos);
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_BOARD[pos] = (turn == 0) ? PLAYER1 : PLAYER2;
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}
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int isValid(int pos) {
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return pos >= 0 && pos < _ROWS * _COLLUMS;
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} |