123 lines
2.2 KiB
C
123 lines
2.2 KiB
C
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#include <locale.h>
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#include <string.h>
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#include <wchar.h>
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#include <stdio.h>
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#include <stdlib.h>
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#define E 0 /* empty */
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#define K 1 /* king */
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#define Q 2 /* queen */
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#define R 3 /* rook */
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#define B 4 /* bishop */
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#define N 5 /* knight */
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#define P 6 /* pawn */
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#define WHITE 1
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#define BLACK -1
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void print_board(int* board);
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void init_board(int* board);
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/*
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* main
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*/
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int main(){
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setlocale(LC_ALL, "C.UTF-8");
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int *board;
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init_board(board);
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print_board(board);
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return 0;
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}
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/*
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* Prints an escape char to set the font style
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*/
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void setcolor(int col){
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printf("\033[%im", col);
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};
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/*
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* Prints the board
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*/
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void print_board(int* board){
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wchar_t piece;
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/*
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The loop checks if the tile is empty and prints ' ' if so.
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Otherwise the foreground color is set to match the player
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and the unicode symbol for the piece is printed.
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The unicode value for a fullcolor chess king is 0x2654
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the following unicode 5 unicode characters are the
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other white chess pieces. (matches macro definitions)
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(https://en.wikipedia.org/wiki/Chess_symbols_in_Unicode)
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The unicode symbol is calculated from adding 0x2653 and the
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piece value.
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*/
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for(int i=0; i<8; i++){
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printf("\n %i ", 8-i); // number coordinates
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for(int j=0; j<8; j++){
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int p = board[i*8+j];
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// Make tiles black and white
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if((i+j) % 2)
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setcolor(100); // white
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else
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setcolor(107); // black
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// Print empty space and do nothing if tile is empty
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if(p == E){
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printf(" ");
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continue;
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}
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// Set piece color
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if(p > 0){
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setcolor(37); // white foreground
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}else{
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setcolor(30);
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p *= -1;
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}
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printf("%lc ", 0x2659 + p);
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}
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setcolor(0); // reset text attributes
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}
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// Print horizontal letter coordinates
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printf("\n ");
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for(int i=0; i<8; i++) printf(" %c", 'a'+i);
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}
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/*
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* Resets/inits the board
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*/
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void init_board(int *board){
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// black pieces are prefixed by a minus (-)
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const int start[] = {
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-R,-N,-B,-Q,-K,-B,-N,-R,
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-P,-P,-P,-P,-P,-P,-P,-P,
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E, E, E, E, E, E, E, E,
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E, E, E, E, E, E, E, E,
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E, E, E, E, E, E, E, E,
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E, E, E, E, E, E, E, E,
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P, P, P, P, P, P, P, P,
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R, N, B, Q, K, B, N, R
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};
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memcpy(board, start, sizeof(start));
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}
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