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movegen: refator

This commit is contained in:
Calcitem 2020-08-30 22:36:32 +08:00
parent 75276915be
commit 216c9bfadb
1 changed files with 14 additions and 24 deletions
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38
src/movegen.cpp
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@ -20,11 +20,8 @@
#include <random> #include <random>
#include "movegen.h" #include "movegen.h"
#include "misc.h"
#include "option.h"
#include "types.h"
#include "search.h"
#include "position.h" #include "position.h"
#include "option.h"
void MoveList::create() void MoveList::create()
{ {
@ -285,30 +282,24 @@ void MoveList::shuffle()
} }
/// generate generates all the legal moves in the given position
/// generate<LEGAL> generates all the legal moves in the given position ExtMove *generate(Position *position, ExtMove *moveList)
//template<>
ExtMove *generate(/* TODO: const */ Position *position, ExtMove *moveList)
{ {
Square s; Square s;
Color us = position->sideToMove; Color us = position->side_to_move();
Color them = ~us; Color them = ~us;
const int MOVE_PRIORITY_TABLE_SIZE = FILE_NB * RANK_NB; const int MOVE_PRIORITY_TABLE_SIZE = FILE_NB * RANK_NB;
//moves.clear();
ExtMove *cur = moveList; ExtMove *cur = moveList;
switch (position->action) { switch (position->action) {
case ACTION_SELECT: case ACTION_SELECT:
case ACTION_PLACE: case ACTION_PLACE:
// 对于摆子阶段 if (position->phase & (PHASE_PLACING | PHASE_READY)) {
if (position->phase & (PHASE_PLACING | PHASE_READY)) { for (auto s : MoveList::movePriorityTable) {
for (Square i : MoveList::movePriorityTable) {
s = i;
if (position->board[s]) { if (position->board[s]) {
continue; continue;
} }
@ -317,14 +308,14 @@ ExtMove *generate(/* TODO: const */ Position *position, ExtMove *moveList)
moves.push_back((Move)s); moves.push_back((Move)s);
#else // MCTS_AI #else // MCTS_AI
if (position->phase != PHASE_READY) { if (position->phase != PHASE_READY) {
*cur++ = ((Move)s); *cur++ = (Move)s;
} else { } else {
#ifdef FIRST_MOVE_STAR_PREFERRED #ifdef FIRST_MOVE_STAR_PREFERRED
if (Position::is_star_square(s)) { if (Position::is_star_square(s)) {
moves.push_back((Move)s); moves.push_back((Move)s);
} }
#else #else
*cur++ = ((Move)s); *cur++ = (Move)s;
#endif #endif
} }
#endif // MCTS_AI #endif // MCTS_AI
@ -349,7 +340,7 @@ ExtMove *generate(/* TODO: const */ Position *position, ExtMove *moveList)
newSquare = static_cast<Square>(MoveList::moveTable[oldSquare][direction]); newSquare = static_cast<Square>(MoveList::moveTable[oldSquare][direction]);
if (newSquare && !position->board[newSquare]) { if (newSquare && !position->board[newSquare]) {
Move m = make_move(oldSquare, newSquare); Move m = make_move(oldSquare, newSquare);
*cur++ = ((Move)m); *cur++ = (Move)m;
} }
} }
} else { } else {
@ -357,7 +348,7 @@ ExtMove *generate(/* TODO: const */ Position *position, ExtMove *moveList)
for (newSquare = SQ_BEGIN; newSquare < SQ_END; newSquare = static_cast<Square>(newSquare + 1)) { for (newSquare = SQ_BEGIN; newSquare < SQ_END; newSquare = static_cast<Square>(newSquare + 1)) {
if (!position->board[newSquare]) { if (!position->board[newSquare]) {
Move m = make_move(oldSquare, newSquare); Move m = make_move(oldSquare, newSquare);
*cur++ = ((Move)m); *cur++ = (Move)m;
} }
} }
} }
@ -370,7 +361,7 @@ ExtMove *generate(/* TODO: const */ Position *position, ExtMove *moveList)
for (int i = MOVE_PRIORITY_TABLE_SIZE - 1; i >= 0; i--) { for (int i = MOVE_PRIORITY_TABLE_SIZE - 1; i >= 0; i--) {
s = MoveList::movePriorityTable[i]; s = MoveList::movePriorityTable[i];
if (position->board[s]& (them << PLAYER_SHIFT)) { if (position->board[s]& (them << PLAYER_SHIFT)) {
*cur++ = ((Move)-s); *cur++ = (Move)-s;
} }
} }
break; break;
@ -379,9 +370,9 @@ ExtMove *generate(/* TODO: const */ Position *position, ExtMove *moveList)
// not is all in mills // not is all in mills
for (int i = MOVE_PRIORITY_TABLE_SIZE - 1; i >= 0; i--) { for (int i = MOVE_PRIORITY_TABLE_SIZE - 1; i >= 0; i--) {
s = MoveList::movePriorityTable[i]; s = MoveList::movePriorityTable[i];
if (position->board[s]& (them << PLAYER_SHIFT)) { if (position->board[s] & (them << PLAYER_SHIFT)) {
if (rule.allowRemovePieceInMill || !position->in_how_many_mills(s, NOBODY)) { if (rule.allowRemovePieceInMill || !position->in_how_many_mills(s, NOBODY)) {
*cur++ = ((Move)-s); *cur++ = (Move)-s;
} }
} }
} }
@ -394,4 +385,3 @@ ExtMove *generate(/* TODO: const */ Position *position, ExtMove *moveList)
return cur; return cur;
} }