fscomch--communication between multiple chess processes

1 files changed, 0 insertions, 154 deletions

diff --git a/chesshelpers.c b/chesshelpers.c
deleted file mode 100644
index b64a0f4..0000000
--- a/chesshelpers.c
+++ /dev/null
@@ -1,154 +0,0 @@
-#include <stdlib.h>
-#include <string.h>
-#include <stdio.h>
-#include "vector.h"
-#include "chesshelpers.h"
-
-board_t init_board(int** pieces) {
-	board_t board;
-	board.pieces = pieces;
-	board.whiteCanCastleKingside = 1;
-	board.whiteCanCastleQueenside = 1;
-	board.blackCanCastleKingside = 1;
-	board.blackCanCastleQueenside = 1;
-	board.lastPawnMove = -1;
-	return board;
-}
-//function applies side effects to board values like king move state
-board_t make_move(board_t board, vector_t origin, vector_t end) {
-	int piece = board.pieces[origin.mx][origin.my];
-	int captured = board.pieces[end.mx][end.my];
-	board.pieces[origin.mx][origin.my] = 0;
-	board.pieces[end.mx][end.my] = piece;
-	//white king moved
-	if(piece == king) {
-		board.whiteCanCastleQueenside = 0;
-		board.whiteCanCastleKingside = 0;
-		//if the king moved farther than it normally could, move must have been castling. move the rook as well
-		if(origin.mx == 4 && end.mx == 6) {
-			board = make_move(board, init_vector(7, 7), init_vector(5, 7));
-		}
-		else if(origin.mx == 4 && end.mx == 2) {
-			board = make_move(board, init_vector(0, 7), init_vector(3, 7));
-		}
-	}
-	//white kingside rook moved
-	else if(origin.mx == 7 && origin.my == 7) {
-		board.whiteCanCastleKingside = 0;
-	}
-	//white queenside rook moved
-	else if(origin.mx == 0 && origin.my == 7) {
-		board.whiteCanCastleQueenside = 0;
-	}
-	//black king moved
-	else if(piece == king + 6) {
-		board.blackCanCastleQueenside = 0;
-		board.blackCanCastleKingside = 0;
-		//if the king moved farther than it normally could, move must have been castling. move the rook as well
-		if(origin.mx == 4 && end.mx == 6) {
-			board = make_move(board, init_vector(7, 0), init_vector(5, 0));
-		}
-		else if(origin.mx == 4 && end.mx == 2) {
-			board = make_move(board, init_vector(0, 0), init_vector(3, 0));
-		}
-	}
-	//black kingside rook moved
-	else if(origin.mx == 7 && origin.my == 0) {
-		board.blackCanCastleKingside = 0;
-	}
-	//black queenside rook moved
-	else if(origin.mx == 0 && origin.my == 0) {
-		board.blackCanCastleQueenside = 0;
-	}
-	//this is not an else if! lastPawnMove must be reset
-	if(piece == pawn || piece == pawn + 6) {
-		board.lastPawnMove = origin.mx;
-		//check if move was an en passant capture
-		if(captured == 0 && origin.mx != end.mx) {
-			//kill the enemy pawn
-			board.pieces[end.mx][origin.my] = 0;
-		}
-	}
-	else {
-		//en passant no longer possible
-		board.lastPawnMove = -1;
-	}
-	return board;
-}
-board_t clone_board(board_t board) {
-	board_t newBoard = board;
-	int** pieces = malloc(8 * sizeof(int*));
-	for(int r = 0; r < 8; r++) {
-		pieces[r] = malloc(8 * sizeof(int));
-		for(int c = 0; c < 8; c++) {
-			pieces[r][c] = board.pieces[r][c];
-		}
-	}
-	newBoard.pieces = pieces;
-	return newBoard;
-}
-int in_board(vector_t position) {
-	return position.mx < 8 && position.mx >= 0 && position.my < 8 && position.my >= 0;
-}
-int is_empty(board_t board, vector_t position) {
-	return board.pieces[position.mx][position.my] == 0;
-}
-int is_color(board_t board, vector_t position, int color) {
-	if(color == 0) {
-		return board.pieces[position.mx][position.my] >= 1 && board.pieces[position.mx][position.my] <= 6;
-	}	
-	else {
-		return board.pieces[position.mx][position.my] >= 7;
-	}
-}
-//returns true if a pawn that moved two squares would have been here if it moved one square
-int would_have_been_pawn(board_t board, vector_t position, int color) {
-	if(board.lastPawnMove == position.mx) {
-		if((position.my == 6 && color == 0) || (position.my == 2 && color == 1)) {
-			return 1;
-		}
-	}
-	return 0;
-}
-//converts board coordinates into algebraic notation
-char* get_readable_coords(vector_t position) {
-	char* output = malloc(3 * sizeof(char));
-	output[0] = 'a' + position.mx;
-	output[1] = '8' - position.my;
-	output[2] = '\0';
-	return output;
-}
-//gets the proper algebraic notation for the move
-char* get_move_name(board_t board, vector_t origin, vector_t end) {
-	int piece = board.pieces[origin.mx][origin.my];
-	if(piece > 6) {
-		piece -= 6;
-	}
-	if(piece != 1) {
-		char cPiece = piece == pawn ? 'P' : piece == knight ? 'N' : piece == bishop ? 'B' : piece == rook ? 'R' : piece == queen ? 'Q' : 'K';
-		int isCapture = board.pieces[end.mx][end.my] != 0;
-		char* output = calloc(isCapture ? 5 : 4, sizeof(char));
-		output[0] = cPiece;
-		if(isCapture) {
-			output[1] = 'x';
-		}
-		char* rEnd = get_readable_coords(end);
-		strcat(output, rEnd);
-		free(rEnd);
-		output[isCapture ? 4 : 3] = '\0';
-		return output;
-	}
-	else {
-		int isCapture = board.pieces[end.mx][end.my] != 0;
-		char* output = calloc(isCapture ? 5 : 3, sizeof(char));
-		if(isCapture) {
-			output[0] = 'a' + origin.mx;
-			output[1] = 'x';
-		}
-		char* rEnd = get_readable_coords(end);
-		strcat(output, rEnd);
-		free(rEnd);
-		output[isCapture ? 4 : 2] = '\0';
-		return output;
-	}
-}