X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fpiece.cpp;h=a9adf57366e7ae5b731718524fa942399d048db5;hb=358ccf206ba142a68c7b5b3622a79cc309107f6d;hp=84d12af107563c2809403c62b5d1ce16b031997d;hpb=df4b106716f0fb0a5f5887b1cffeb544174008f7;p=stockfish
diff --git a/src/piece.cpp b/src/piece.cpp
index 84d12af1..a9adf573 100644
--- a/src/piece.cpp
+++ b/src/piece.cpp
@@ -17,60 +17,23 @@
along with this program. If not, see .
*/
-
-////
-//// Includes
-////
-
#include
#include "piece.h"
-using namespace std;
-
-// Tables indexed by Piece
-
-const Value PieceValueMidgame[17] = {
- VALUE_ZERO,
- PawnValueMidgame, KnightValueMidgame, BishopValueMidgame,
- RookValueMidgame, QueenValueMidgame,
- VALUE_ZERO, VALUE_ZERO, VALUE_ZERO,
- PawnValueMidgame, KnightValueMidgame, BishopValueMidgame,
- RookValueMidgame, QueenValueMidgame,
- VALUE_ZERO, VALUE_ZERO, VALUE_ZERO
-};
+static const std::string PieceChars(" pnbrqk PNBRQK");
-const Value PieceValueEndgame[17] = {
- VALUE_ZERO,
- PawnValueEndgame, KnightValueEndgame, BishopValueEndgame,
- RookValueEndgame, QueenValueEndgame,
- VALUE_ZERO, VALUE_ZERO, VALUE_ZERO,
- PawnValueEndgame, KnightValueEndgame, BishopValueEndgame,
- RookValueEndgame, QueenValueEndgame,
- VALUE_ZERO, VALUE_ZERO, VALUE_ZERO
-};
-
-const int SlidingArray[18] = {
- 0, 0, 0, 1, 2, 3, 0, 0, 0, 0, 0, 1, 2, 3, 0, 0, 0, 0
-};
-
-
-////
-//// Functions
-////
/// Translating piece types to/from English piece letters
-static const string PieceChars(" pnbrqk PNBRQK");
-
char piece_type_to_char(PieceType pt, bool upcase) {
- return PieceChars[pt + int(upcase) * 7];
+ return PieceChars[pt + (upcase ? 7 : 0)];
}
PieceType piece_type_from_char(char c) {
size_t idx = PieceChars.find(c);
- return idx != string::npos ? PieceType(idx % 7) : PIECE_TYPE_NONE;
+ return idx != std::string::npos ? PieceType(idx % 7) : PIECE_TYPE_NONE;
}