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Move constants from piece.cpp to piece.h

Browse source 
Leave in piece.cpp only a couple of functions that
need #include <cstring>

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba 2009-02-04 17:42:28 +01:00
parent 225d89c51b
commit f0858cd229
2 changed files with 42 additions and 58 deletions
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54
src/piece.cpp
View file

@ -27,48 +27,11 @@
#include "piece.h"
////
//// Constants and variables
////
const int SlidingArray[18] = {
0, 0, 0, 1, 2, 3, 0, 0, 0, 0, 0, 1, 2, 3, 0, 0, 0, 0
};
const SquareDelta Directions[16][16] = {
{DELTA_ZERO},
{DELTA_NW, DELTA_NE, DELTA_ZERO},
{DELTA_SSW, DELTA_SSE, DELTA_SWW, DELTA_SEE,
DELTA_NWW, DELTA_NEE, DELTA_NNW, DELTA_NNE, DELTA_ZERO},
{DELTA_SE, DELTA_SW, DELTA_NE, DELTA_NW, DELTA_ZERO},
{DELTA_S, DELTA_E, DELTA_W, DELTA_N, DELTA_ZERO},
{DELTA_S, DELTA_E, DELTA_W, DELTA_N,
DELTA_SE, DELTA_SW, DELTA_NE, DELTA_NW, DELTA_ZERO},
{DELTA_S, DELTA_E, DELTA_W, DELTA_N,
DELTA_SE, DELTA_SW, DELTA_NE, DELTA_NW, DELTA_ZERO},
{DELTA_ZERO},
{DELTA_ZERO},
{DELTA_SW, DELTA_SE, DELTA_ZERO},
{DELTA_SSW, DELTA_SSE, DELTA_SWW, DELTA_SEE,
DELTA_NWW, DELTA_NEE, DELTA_NNW, DELTA_NNE, DELTA_ZERO},
{DELTA_SE, DELTA_SW, DELTA_NE, DELTA_NW, DELTA_ZERO},
{DELTA_S, DELTA_E, DELTA_W, DELTA_N, DELTA_ZERO},
{DELTA_S, DELTA_E, DELTA_W, DELTA_N,
DELTA_SE, DELTA_SW, DELTA_NE, DELTA_NW, DELTA_ZERO},
{DELTA_S, DELTA_E, DELTA_W, DELTA_N,
DELTA_SE, DELTA_SW, DELTA_NE, DELTA_NW, DELTA_ZERO},
};
const SquareDelta PawnPush[2] = {
DELTA_N, DELTA_S
};
////
//// Functions
////
/// Translating piece types to/from English piece letters:
/// Translating piece types to/from English piece letters
static const char PieceChars[] = " pnbrqk";
@ -77,19 +40,6 @@ char piece_type_to_char(PieceType pt, bool upcase) {
}
PieceType piece_type_from_char(char c) {
const char *ch = strchr(PieceChars, tolower(c));
const char* ch = strchr(PieceChars, tolower(c));
return ch? PieceType(ch - PieceChars) : NO_PIECE_TYPE;
}
/// piece_is_ok() and piece_type_is_ok(), for debugging:
bool piece_is_ok(Piece pc) {
return
piece_type_is_ok(type_of_piece(pc)) &&
color_is_ok(color_of_piece(pc));
}
bool piece_type_is_ok(PieceType pc) {
return pc >= PAWN && pc <= KING;
}

46
src/piece.h
View file

@ -47,15 +47,43 @@ enum Piece {
////
//// Constants and variables
//// Constants
////
const PieceType PieceTypeMin = PAWN;
const PieceType PieceTypeMax = KING;
extern const int SlidingArray[18];
extern const SquareDelta Directions[16][16];
extern const SquareDelta PawnPush[2];
const int SlidingArray[18] = {
0, 0, 0, 1, 2, 3, 0, 0, 0, 0, 0, 1, 2, 3, 0, 0, 0, 0
};
const SquareDelta Directions[16][16] = {
{DELTA_ZERO},
{DELTA_NW, DELTA_NE, DELTA_ZERO},
{DELTA_SSW, DELTA_SSE, DELTA_SWW, DELTA_SEE,
DELTA_NWW, DELTA_NEE, DELTA_NNW, DELTA_NNE, DELTA_ZERO},
{DELTA_SE, DELTA_SW, DELTA_NE, DELTA_NW, DELTA_ZERO},
{DELTA_S, DELTA_E, DELTA_W, DELTA_N, DELTA_ZERO},
{DELTA_S, DELTA_E, DELTA_W, DELTA_N,
DELTA_SE, DELTA_SW, DELTA_NE, DELTA_NW, DELTA_ZERO},
{DELTA_S, DELTA_E, DELTA_W, DELTA_N,
DELTA_SE, DELTA_SW, DELTA_NE, DELTA_NW, DELTA_ZERO},
{DELTA_ZERO},
{DELTA_ZERO},
{DELTA_SW, DELTA_SE, DELTA_ZERO},
{DELTA_SSW, DELTA_SSE, DELTA_SWW, DELTA_SEE,
DELTA_NWW, DELTA_NEE, DELTA_NNW, DELTA_NNE, DELTA_ZERO},
{DELTA_SE, DELTA_SW, DELTA_NE, DELTA_NW, DELTA_ZERO},
{DELTA_S, DELTA_E, DELTA_W, DELTA_N, DELTA_ZERO},
{DELTA_S, DELTA_E, DELTA_W, DELTA_N,
DELTA_SE, DELTA_SW, DELTA_NE, DELTA_NW, DELTA_ZERO},
{DELTA_S, DELTA_E, DELTA_W, DELTA_N,
DELTA_SE, DELTA_SW, DELTA_NE, DELTA_NW, DELTA_ZERO},
};
const SquareDelta PawnPush[2] = {
DELTA_N, DELTA_S
};
////
@ -119,6 +147,14 @@ inline SquareDelta pawn_push(Color c) {
return PawnPush[c];
}
inline bool piece_type_is_ok(PieceType pc) {
return pc >= PAWN && pc <= KING;
}
inline bool piece_is_ok(Piece pc) {
return piece_type_is_ok(type_of_piece(pc)) && color_is_ok(color_of_piece(pc));
}
////
//// Prototypes
@ -126,8 +162,6 @@ inline SquareDelta pawn_push(Color c) {
extern char piece_type_to_char(PieceType pt, bool upcase = false);
extern PieceType piece_type_from_char(char c);
extern bool piece_is_ok(Piece pc);
extern bool piece_type_is_ok(PieceType pt);
#endif // !defined(PIECE_H_INCLUDED)