//// Includes
////
+#include <string>
+
#include "color.h"
#include "square.h"
+#include "value.h"
////
BP = 9, BN = 10, BB = 11, BR = 12, BQ = 13, BK = 14, PIECE_NONE = 16
};
-ENABLE_OPERATORS_ON(PieceType);
-ENABLE_OPERATORS_ON(Piece);
+ENABLE_OPERATORS_ON(PieceType)
+ENABLE_OPERATORS_ON(Piece)
////
//// Constants
////
-const int SlidingArray[18] = {
- 0, 0, 0, 1, 2, 3, 0, 0, 0, 0, 0, 1, 2, 3, 0, 0, 0, 0
-};
+/// Important: If the material values are changed, one must also
+/// adjust the piece square tables, and the method game_phase() in the
+/// Position class!
+///
+/// Values modified by Joona Kiiski
+
+const Value PawnValueMidgame = Value(0x0C6);
+const Value PawnValueEndgame = Value(0x102);
+const Value KnightValueMidgame = Value(0x331);
+const Value KnightValueEndgame = Value(0x34E);
+const Value BishopValueMidgame = Value(0x344);
+const Value BishopValueEndgame = Value(0x359);
+const Value RookValueMidgame = Value(0x4F6);
+const Value RookValueEndgame = Value(0x4FE);
+const Value QueenValueMidgame = Value(0x9D9);
+const Value QueenValueEndgame = Value(0x9FE);
////
return Piece((int(c) << 3) | int(pt));
}
-inline int piece_is_slider(Piece p) {
- return SlidingArray[int(p)];
-}
-
inline SquareDelta pawn_push(Color c) {
return (c == WHITE ? DELTA_N : DELTA_S);
}
-inline bool piece_type_is_ok(PieceType pc) {
- return pc >= PAWN && pc <= KING;
+inline bool piece_type_is_ok(PieceType pt) {
+ return pt >= PAWN && pt <= KING;
}
-inline bool piece_is_ok(Piece pc) {
- return piece_type_is_ok(type_of_piece(pc)) && color_is_ok(color_of_piece(pc));
+inline bool piece_is_ok(Piece p) {
+ return piece_type_is_ok(type_of_piece(p)) && color_is_ok(color_of_piece(p));
}
+inline char piece_type_to_char(PieceType pt) {
+ return std::string(" PNBRQK")[pt];
+}
-////
-//// Prototypes
-////
-
-extern char piece_type_to_char(PieceType pt, bool upcase = false);
-extern PieceType piece_type_from_char(char c);
-
+inline PieceType piece_type_from_char(char c) {
+ return PieceType(std::string(" PNBRQK").find(c));
+}
#endif // !defined(PIECE_H_INCLUDED)