X-Git-Url: http://winboard.nl/cgi-bin?p=polyglot.git;a=blobdiff_plain;f=piece.c;h=f5facf998c986e193c4ea44b248e0f9bd0b03090;hp=82ed76a7a7d4eb34f0666451f822fd81c323d9a4;hb=ae338a820ef1c16d4399958613bbc0b908904b91;hpb=e516b96c20d27e7d86d3485b010d6d48cecec9f1

diff --git a/piece.c b/piece.c
index 82ed76a..f5facf9 100644
--- a/piece.c
+++ b/piece.c
@@ -1,203 +1,203 @@
-
-// piece.c
-
-// includes
-
-#include <string.h>
-
-#include "colour.h"
-#include "piece.h"
-#include "util.h"
-
-// "constants"
-
-static const uint8 MakePawn[ColourNb] = { PieceNone256, BlackPawn256, WhitePawn256 }; // -BW
-
-static const uint8 PieceFrom12[12] = {
-   BlackPawn256,   WhitePawn256,
-   BlackKnight256, WhiteKnight256,
-   BlackBishop256, WhiteBishop256,
-   BlackRook256,   WhiteRook256,
-   BlackQueen256,  WhiteQueen256,
-   BlackKing256,   WhiteKing256,
-};
-
-static const char PieceString[12+1] = "pPnNbBrRqQkK";
-
-// variables
-
-static sint8 PieceTo12[256];
-
-// functions
-
-// piece_init()
-
-void piece_init() {
-
-   int piece;
-
-   for (piece = 0; piece < 256; piece++) PieceTo12[piece] = -1;
-
-   for (piece = 0; piece < 12; piece++) {
-      PieceTo12[PieceFrom12[piece]] = piece;
-   }
-}
-
-// piece_is_ok()
-
-bool piece_is_ok(int piece) {
-
-   if (piece < 0 || piece >= 256) return FALSE;
-
-   if (PieceTo12[piece] < 0) return FALSE;
-
-   return TRUE;
-}
-
-// piece_make_pawn()
-
-int piece_make_pawn(int colour) {
-
-   ASSERT(colour_is_ok(colour));
-
-   return MakePawn[colour];
-}
-
-// piece_pawn_opp()
-
-int piece_pawn_opp(int piece) {
-
-   ASSERT(piece==BlackPawn256||piece==WhitePawn256);
-
-   return piece ^ 15;
-}
-
-// piece_colour()
-
-int piece_colour(int piece) {
-
-   ASSERT(piece_is_ok(piece));
-
-   return piece & 3;
-}
-
-// piece_type()
-
-int piece_type(int piece) {
-
-   ASSERT(piece_is_ok(piece));
-
-   return piece & ~3;
-}
-
-// piece_is_pawn()
-
-bool piece_is_pawn(int piece) {
-
-   ASSERT(piece_is_ok(piece));
-
-   return (piece & PawnFlags) != 0;
-}
-
-// piece_is_knight()
-
-bool piece_is_knight(int piece) {
-
-   ASSERT(piece_is_ok(piece));
-
-   return (piece & KnightFlag) != 0;
-}
-
-// piece_is_bishop()
-
-bool piece_is_bishop(int piece) {
-
-   ASSERT(piece_is_ok(piece));
-
-   return (piece & QueenFlags) == BishopFlag;
-}
-
-// piece_is_rook()
-
-bool piece_is_rook(int piece) {
-
-   ASSERT(piece_is_ok(piece));
-
-   return (piece & QueenFlags) == RookFlag;
-}
-
-// piece_is_queen()
-
-bool piece_is_queen(int piece) {
-
-   ASSERT(piece_is_ok(piece));
-
-   return (piece & QueenFlags) == QueenFlags;
-}
-
-// piece_is_king()
-
-bool piece_is_king(int piece) {
-
-   ASSERT(piece_is_ok(piece));
-
-   return (piece & KingFlag) != 0;
-}
-
-// piece_is_slider()
-
-bool piece_is_slider(int piece) {
-
-   ASSERT(piece_is_ok(piece));
-
-   return (piece & QueenFlags) != 0;
-}
-
-// piece_to_12()
-
-int piece_to_12(int piece) {
-
-   ASSERT(piece_is_ok(piece));
-
-   return PieceTo12[piece];
-}
-
-// piece_from_12()
-
-int piece_from_12(int piece) {
-
-   ASSERT(piece>=0&&piece<12);
-
-   return PieceFrom12[piece];
-}
-
-// piece_to_char()
-
-int piece_to_char(int piece) {
-
-   ASSERT(piece_is_ok(piece));
-
-   return PieceString[piece_to_12(piece)];
-}
-
-// piece_from_char()
-
-int piece_from_char(int c) {
-
-   const char * ptr;
-
-   ptr = strchr(PieceString,c);
-   if (ptr == NULL) return PieceNone256;
-
-   return piece_from_12(ptr-PieceString);
-}
-
-// char_is_piece()
-
-bool char_is_piece(int c) {
-
-   return strchr("PNBRQK",c) != NULL;
-}
-
-// end of piece.cpp
-
+
+// piece.c
+
+// includes
+
+#include <string.h>
+
+#include "colour.h"
+#include "piece.h"
+#include "util.h"
+
+// "constants"
+
+static const uint8 MakePawn[ColourNb] = { PieceNone256, BlackPawn256, WhitePawn256 }; // -BW
+
+static const uint8 PieceFrom12[12] = {
+   BlackPawn256,   WhitePawn256,
+   BlackKnight256, WhiteKnight256,
+   BlackBishop256, WhiteBishop256,
+   BlackRook256,   WhiteRook256,
+   BlackQueen256,  WhiteQueen256,
+   BlackKing256,   WhiteKing256,
+};
+
+static const char PieceString[12+1] = "pPnNbBrRqQkK";
+
+// variables
+
+static sint8 PieceTo12[256];
+
+// functions
+
+// piece_init()
+
+void piece_init() {
+
+   int piece;
+
+   for (piece = 0; piece < 256; piece++) PieceTo12[piece] = -1;
+
+   for (piece = 0; piece < 12; piece++) {
+      PieceTo12[PieceFrom12[piece]] = piece;
+   }
+}
+
+// piece_is_ok()
+
+bool piece_is_ok(int piece) {
+
+   if (piece < 0 || piece >= 256) return FALSE;
+
+   if (PieceTo12[piece] < 0) return FALSE;
+
+   return TRUE;
+}
+
+// piece_make_pawn()
+
+int piece_make_pawn(int colour) {
+
+   ASSERT(colour_is_ok(colour));
+
+   return MakePawn[colour];
+}
+
+// piece_pawn_opp()
+
+int piece_pawn_opp(int piece) {
+
+   ASSERT(piece==BlackPawn256||piece==WhitePawn256);
+
+   return piece ^ 15;
+}
+
+// piece_colour()
+
+int piece_colour(int piece) {
+
+   ASSERT(piece_is_ok(piece));
+
+   return piece & 3;
+}
+
+// piece_type()
+
+int piece_type(int piece) {
+
+   ASSERT(piece_is_ok(piece));
+
+   return piece & ~3;
+}
+
+// piece_is_pawn()
+
+bool piece_is_pawn(int piece) {
+
+   ASSERT(piece_is_ok(piece));
+
+   return (piece & PawnFlags) != 0;
+}
+
+// piece_is_knight()
+
+bool piece_is_knight(int piece) {
+
+   ASSERT(piece_is_ok(piece));
+
+   return (piece & KnightFlag) != 0;
+}
+
+// piece_is_bishop()
+
+bool piece_is_bishop(int piece) {
+
+   ASSERT(piece_is_ok(piece));
+
+   return (piece & QueenFlags) == BishopFlag;
+}
+
+// piece_is_rook()
+
+bool piece_is_rook(int piece) {
+
+   ASSERT(piece_is_ok(piece));
+
+   return (piece & QueenFlags) == RookFlag;
+}
+
+// piece_is_queen()
+
+bool piece_is_queen(int piece) {
+
+   ASSERT(piece_is_ok(piece));
+
+   return (piece & QueenFlags) == QueenFlags;
+}
+
+// piece_is_king()
+
+bool piece_is_king(int piece) {
+
+   ASSERT(piece_is_ok(piece));
+
+   return (piece & KingFlag) != 0;
+}
+
+// piece_is_slider()
+
+bool piece_is_slider(int piece) {
+
+   ASSERT(piece_is_ok(piece));
+
+   return (piece & QueenFlags) != 0;
+}
+
+// piece_to_12()
+
+int piece_to_12(int piece) {
+
+   ASSERT(piece_is_ok(piece));
+
+   return PieceTo12[piece];
+}
+
+// piece_from_12()
+
+int piece_from_12(int piece) {
+
+   ASSERT(piece>=0&&piece<12);
+
+   return PieceFrom12[piece];
+}
+
+// piece_to_char()
+
+int piece_to_char(int piece) {
+
+   ASSERT(piece_is_ok(piece));
+
+   return PieceString[piece_to_12(piece)];
+}
+
+// piece_from_char()
+
+int piece_from_char(int c) {
+
+   const char * ptr;
+
+   ptr = strchr(PieceString,c);
+   if (ptr == NULL) return PieceNone256;
+
+   return piece_from_12(ptr-PieceString);
+}
+
+// char_is_piece()
+
+bool char_is_piece(int c) {
+
+   return strchr("PNBRQK",c) != NULL;
+}
+
+// end of piece.cpp
+