X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fpiece.h;h=df81e5ff47e53c47161fe26ef0be0c77c46213c4;hb=d2d953713f053c6add74a7c1f7c2a66440a99f50;hp=6592de1a8bbf1d2b04a34b51f9a24c706ef673c1;hpb=a5ae7fe26030bdd73a95fde3ebe841abfe84ec5e;p=stockfish

diff --git a/src/piece.h b/src/piece.h
index 6592de1a..df81e5ff 100644
--- a/src/piece.h
+++ b/src/piece.h
@@ -27,6 +27,7 @@
 
 #include "color.h"
 #include "square.h"
+#include "value.h"
 
 
 ////
@@ -51,9 +52,22 @@ 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);
 
 
 ////
@@ -72,10 +86,6 @@ inline Piece piece_of_color_and_type(Color c, PieceType pt) {
   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);
 }