#if !defined(PIECE_H_INCLUDED)
#define PIECE_H_INCLUDED
-#include "color.h"
#include "value.h"
enum PieceType {
BP = 9, BN = 10, BB = 11, BR = 12, BQ = 13, BK = 14, PIECE_NONE = 16
};
+enum Color {
+ WHITE, BLACK, COLOR_NONE
+};
+
ENABLE_OPERATORS_ON(PieceType)
ENABLE_OPERATORS_ON(Piece)
+ENABLE_OPERATORS_ON(Color)
/// Important: If the material values are changed, one must also
/// adjust the piece square tables, and the method game_phase() in the
return Color(int(p) >> 3);
}
+inline Color opposite_color(Color c) {
+ return Color(int(c) ^ 1);
+}
+
+inline bool color_is_ok(Color c) {
+ return c == WHITE || c == BLACK;
+}
+
inline bool piece_type_is_ok(PieceType pt) {
return pt >= PAWN && pt <= KING;
}