140 lines
2.3 KiB
C
140 lines
2.3 KiB
C
#include <stdio.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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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(tile_t *board, 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 tile_t on win, otherwise 0
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int checkWin(tile_t *board, int pos) {
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int result = checkLine(board, pos, ORIZONTAL);
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if (result) {
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return board[pos];
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}
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result = checkLine(board, pos, VERTICAL);
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if (result) {
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return board[pos];
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}
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result = checkLine(board, pos, DIAGONAL);
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if (result) {
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return board[pos];
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}
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result = checkLine(board, pos, DIAGONAL_INV);
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if (result) {
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return board[pos];
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}
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return 0;
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}
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int checkWinAll(tile_t *board){
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for (int i=0; i <_ROWS *_COLLUMS; i++) {
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if (checkWin(board, i) != EMPTY) {
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return checkWin(board, 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(tile_t *board) {
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for (int i=0; i < _ROWS; i++) {
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for (int j=0; j < _COLLUMS; j++) {
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printTile(board[getIndex(i, j)]);
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if (j != _COLLUMS - 1) {
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printf(" | ");
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} else {
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printf("\n");
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}
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}
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for (int j=0; i != _ROWS - 1 && j < _COLLUMS - 1; j++) {
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printf("----");
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}
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if (i < _ROWS - 1) {
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printf("---\n");
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}
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}
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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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int checkMove(tile_t *board, 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 insertCoin() {
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} |