DroidFish: Implemented DTZ/WDL tablebase hints in the GUI when only syzygy tablebases are available.

DroidFish/jni/rtb/piece.hpp

@@ -0,0 +1,86 @@
+/*
+    Texel - A UCI chess engine.
+    Copyright (C) 2012-2013  Peter Österlund, peterosterlund2@gmail.com
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/*
+ * piece.hpp
+ *
+ *  Created on: Feb 25, 2012
+ *      Author: petero
+ */
+
+#ifndef PIECE_HPP_
+#define PIECE_HPP_
+
+/**
+ * Constants for different piece types.
+ */
+class Piece {
+public:
+    enum Type {
+      EMPTY = 0,
+      WKING = 1,
+      WQUEEN = 2,
+      WROOK = 3,
+      WBISHOP = 4,
+      WKNIGHT = 5,
+      WPAWN = 6,
+
+      BKING = 7,
+      BQUEEN = 8,
+      BROOK = 9,
+      BBISHOP = 10,
+      BKNIGHT = 11,
+      BPAWN = 12,
+
+      nPieceTypes = 13
+    };
+
+    /**
+     * Return true if p is a white piece, false otherwise.
+     * Note that if p is EMPTY, an unspecified value is returned.
+     */
+    static bool isWhite(int pType);
+};
+
+template <bool wtm> struct ColorTraits {
+};
+
+template<> struct ColorTraits<true> {
+    static const Piece::Type KING   = Piece::WKING;
+    static const Piece::Type QUEEN  = Piece::WQUEEN;
+    static const Piece::Type ROOK   = Piece::WROOK;
+    static const Piece::Type BISHOP = Piece::WBISHOP;
+    static const Piece::Type KNIGHT = Piece::WKNIGHT;
+    static const Piece::Type PAWN   = Piece::WPAWN;
+};
+
+template<> struct ColorTraits<false> {
+    static const Piece::Type KING   = Piece::BKING;
+    static const Piece::Type QUEEN  = Piece::BQUEEN;
+    static const Piece::Type ROOK   = Piece::BROOK;
+    static const Piece::Type BISHOP = Piece::BBISHOP;
+    static const Piece::Type KNIGHT = Piece::BKNIGHT;
+    static const Piece::Type PAWN   = Piece::BPAWN;
+};
+
+inline bool
+Piece::isWhite(int pType) {
+    return pType < BKING;
+}
+
+#endif /* PIECE_HPP_ */