Checkmate/Output.cpp at master · peterellisjones/Checkmate · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
/*
 * File:   Output.cpp
 * Author: pj
 *
 * Created on January 7, 2013, 11:38 PM
 */

#include "Output.h"
#include "MoveList.h"

string Output::board(Board board){
    stringstream ss;
    ss << "  ABCDEFGH  " << endl;
    for(int row = 7; row >= 0; row--){
        ss << row + 1 << '|';
        for(int col = 0; col <= 7; col++){
            int square = (row << 3) | col;
            ss << Output::piece(board[square]);
        }
        ss << '|' << row + 1 << endl;;
    }
    ss << " ABCDEFGH  " << endl;
    return ss.str();
}

string Output::bitboard(U64 bb){
    stringstream ss;
    ss << "  ABCDEFGH  " << endl;
    for(int row = 7; row >= 0; row--){
        ss << row + 1 << '|';
        for(int col = 0; col <= 7; col++){
            int square = (row << 3) | col;
            ss << (bb & (1ULL << square) ? 'X' : ' ');
        }
        ss << '|' << row + 1 << endl;;
    }
    ss << "  ABCDEFGH  " << endl;
    return ss.str();
}

string Output::piece(U8 piece){
    stringstream ss;
    ss << PIECE_CHARS[piece];
    return ss.str();
}

string Output::square(U8 square){
    const string ROWS = "12345678";
    const string FILES = "abcdefgh";
    stringstream ss;
    ss << FILES[square & 7] << ROWS[square >> 3];
    return ss.str();
}

string Output::move(U32 move, const class Board &board){
    stringstream ss;
    if(is_castle(move)){
        if(move == KING_CASTLE) ss << "0-0";
        else ss << "0-0-0";
        return ss.str();
    }
    U8 from = move_from(move);
    ss << Output::piece(board[from]&(~1));
    ss << Output::square(from);
    if(is_capture(move)){
        ss << 'x' << Output::piece(move_captured(move)&(~1));
    }
    ss << Output::square(move_to(move));
    if(is_ep_capture(move)){
        ss << "ep";
    }
    if(is_promotion(move)){
        ss << "(" << Output::piece(move_promote_to(move)&(~1)) << ")";
    }
    return ss.str();
}


string Output::movelist(const class MoveList &list, const class Board &board){
    stringstream ss;
    if(list.length() == 0){
        ss << "NO MOVES";
        return ss.str();
    }
    for(int i = 0; i < list.length(); i++){
        ss << Output::move(list[i], board) << ", ";
        if (i % 8 == 7 || i == list.length()-1){
            ss << endl;
        }
    }
    return ss.str();
}