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
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
|
#include <stdlib.h>
#include <stdio.h>
#include "board.h"
#include "piece.h"
static Board _setup_colors(Board b) {
short i, j;
for (i = 0; i < SIZE; i++)
for (j = 0; j < SIZE; j++)
if (i % 2) // Odd rows start with white
if (j % 2)
b[i][j].color = WHITE;
else
b[i][j].color = BLACK;
else
if (j % 2)
b[i][j].color = BLACK;
else
b[i][j].color = WHITE;
return b;
}
static Board _pawns(Board b) {
short white_pawns_row = 1, black_pawns_row = 6, i;
for (i = 0; i < SIZE; i++)
b[white_pawns_row][i].piece = new_piece(WHITE, PAWN);
for (i = 0; i < SIZE; i++)
b[black_pawns_row][i].piece = new_piece(BLACK, PAWN);
return b;
}
static Board _rocks(Board b) {
b[0][0].piece = new_piece(WHITE, ROCK);
b[0][7].piece = new_piece(WHITE, ROCK);
b[7][0].piece = new_piece(BLACK, ROCK);
b[7][7].piece = new_piece(BLACK, ROCK);
return b;
}
static Board _knights(Board b) {
b[0][1].piece = new_piece(WHITE, KNIGHT);
b[0][6].piece = new_piece(WHITE, KNIGHT);
b[7][1].piece = new_piece(BLACK, KNIGHT);
b[7][6].piece = new_piece(BLACK, KNIGHT);
return b;
}
static Board _bishops(Board b) {
b[0][2].piece = new_piece(WHITE, BISHOP);
b[0][5].piece = new_piece(WHITE, BISHOP);
b[7][2].piece = new_piece(BLACK, BISHOP);
b[7][5].piece = new_piece(BLACK, BISHOP);
return b;
}
static Board _queens(Board b) {
b[0][4].piece = new_piece(WHITE, QUEEN);
b[7][4].piece = new_piece(BLACK, QUEEN);
return b;
}
static Board _kings(Board b) {
b[0][3].piece = new_piece(WHITE, KING);
b[7][3].piece = new_piece(BLACK, KING);
return b;
}
static Board _setup_pieces(Board b) {
return _pawns(_rocks(_knights(_bishops(_queens(_kings(b)))))); // :-)
}
static Board _initial_setup(Board b) {
return _setup_pieces(_setup_colors(b));
}
Board board_init() {
int i, j;
Board b = malloc(sizeof(Square*) * SIZE);
for (i = 0; i < SIZE; i++) {
b[i] = malloc(sizeof(Square) * SIZE);
for (j = 0; j < SIZE; j++)
b[i][j].piece = NULL;
}
return _initial_setup(b);
}
int board_delete(Board b) {
short i, j;
for (i = 0; i < SIZE; i++) {
for (j = 0; j < SIZE; j++)
if (b[i][j].piece != NULL)
free(b[i][j].piece);
free(b[i]);
}
free(b);
return 0;
}
|