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Board.cpp
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#pragma clang diagnostic push
#pragma ide diagnostic ignored "hicpp-signed-bitwise"
//
// Created by Brazhenko Andrew on 19.01.2021.
//
#include "Board.h"
#include <vector>
#include "PGNGame.h"
#include <algorithm>
#include <sstream>
//#include <iostream>
const std::unordered_map<Gomoku::Board::pcell, Gomoku::Board::pcell, Gomoku::Board::PairHash> Gomoku::Board::_cToVerticles = [](){
std::unordered_map<Gomoku::Board::pcell, Gomoku::Board::pcell, PairHash> ret;
for (int j = 0; j < cells_in_line; j++)
for (int i = 0; i < cells_in_line; i++)
ret.insert({{i, j}, {j, i}});
return ret;
}();
const std::unordered_map<Gomoku::Board::pcell, Gomoku::Board::pcell, Gomoku::Board::PairHash> Gomoku::Board::_cToUpLines = [](){
std::unordered_map<Gomoku::Board::pcell, Gomoku::Board::pcell, PairHash> ret;
constexpr int diagonal_count = cells_in_line * 2 - 1;
for (int line = 1; line <= diagonal_count; line++)
{
int start_col = std::max(0, line - cells_in_line);
int count = std::min(line, std::min((cells_in_line - start_col), cells_in_line));
for (int j = 0; j < count; j++)
ret.insert({{(std::min(cells_in_line, line)-j-1), (start_col+j)}, {(line - 1), j}});
}
return ret;
}();
const std::unordered_map<Gomoku::Board::pcell, Gomoku::Board::pcell, Gomoku::Board::PairHash> Gomoku::Board::_cToDownLines = [](){
std::unordered_map<Gomoku::Board::pcell, Gomoku::Board::pcell, PairHash> ret;
constexpr int diagonal_count = cells_in_line * 2 - 1;
for (int line = 1; line <= diagonal_count; line++)
{
int start_col = std::max(0, line - cells_in_line);
int count = std::min(line, std::min((cells_in_line - start_col), cells_in_line));
for (int j = 0; j < count; j++)
ret.insert({{(std::min(cells_in_line, line)-j-1), (cells_in_line - 1 - (start_col + j))}, {(line - 1), j}});
}
return ret;
}();
Gomoku::Board::Board()
{
// fast generation of available moves, GenerateAvailableMovesInternal() could be called instead
for (int i = 0; i < cells_in_line; i++)
for (int j = 0; j < cells_in_line; j++)
this->availableMoves_.emplace_back(i, j);
}
Gomoku::Board::Board(const std::vector<Gomoku::Board::pcell> &moves)
// Construct default board
: Board()
{
auto t1 = std::chrono::high_resolution_clock::now();
for (const auto &move : moves)
{
if (std::find(GetAvailableMoves().begin(), GetAvailableMoves().end(), move) == GetAvailableMoves().end()) // if move is not available
{
std::stringstream ss;
ss << "Trying to construct board with wrong move: " << Board::MoveToString(move);
throw std::runtime_error(ss.str());
}
this->MakeMove(move);
}
}
bool Gomoku::Board::IsMoveCapture(pcell cell, Gomoku::Board::board_line mvPtrn) const
{
const int& row = cell.first;
const int& col = cell.second;
return
(row + 3 < 19
&& int(this->At(row + 1, col)) == (mvPtrn.to_ulong() ^ 0b11U)
&& int(this->At(row + 2, col)) == (mvPtrn.to_ulong() ^ 0b11U)
&& int(this->At(row + 3, col)) == (mvPtrn.to_ulong())
)
|| (row + 3 < 19
&& col + 3 < 19
&& int(this->At(row + 1, col + 1)) == (mvPtrn.to_ulong() ^ 0b11U)
&& int(this->At(row + 2, col + 2)) == (mvPtrn.to_ulong() ^ 0b11U)
&& int(this->At(row + 3, col + 3)) == (mvPtrn.to_ulong())
)
|| (col + 3 < 19
&& int(this->At(row, col + 1)) == (mvPtrn.to_ulong() ^ 0b11U)
&& int(this->At(row, col + 2)) == (mvPtrn.to_ulong() ^ 0b11U)
&& int(this->At(row, col + 3)) == (mvPtrn.to_ulong())
)
|| (row - 3 >= 0
&& col + 3 < 19
&& int(this->At(row - 1, col + 1)) == (mvPtrn.to_ulong() ^ 0b11U)
&& int(this->At(row - 2, col + 2)) == (mvPtrn.to_ulong() ^ 0b11U)
&& int(this->At(row - 3, col + 3)) == (mvPtrn.to_ulong())
)
|| (row - 3 >= 0
&& int(this->At(row - 1, col)) == (mvPtrn.to_ulong() ^ 0b11U)
&& int(this->At(row - 2, col)) == (mvPtrn.to_ulong() ^ 0b11U)
&& int(this->At(row - 3, col)) == (mvPtrn.to_ulong())
)
|| (row - 3 >= 0
&& col - 3 >= 0
&& int(this->At(row - 1, col - 1)) == (mvPtrn.to_ulong() ^ 0b11U)
&& int(this->At(row - 2, col - 2)) == (mvPtrn.to_ulong() ^ 0b11U)
&& int(this->At(row - 3, col - 3)) == (mvPtrn.to_ulong())
)
|| (col - 3 >= 0
&& int(this->At(row, col - 1)) == (mvPtrn.to_ulong() ^ 0b11U)
&& int(this->At(row, col - 2)) == (mvPtrn.to_ulong() ^ 0b11U)
&& int(this->At(row, col - 3)) == (mvPtrn.to_ulong())
)
|| (row + 3 < 19
&& col - 3 >= 0
&& int(this->At(row + 1, col - 1)) == (mvPtrn.to_ulong() ^ 0b11U)
&& int(this->At(row + 2, col - 2)) == (mvPtrn.to_ulong() ^ 0b11U)
&& int(this->At(row + 3, col - 3)) == (mvPtrn.to_ulong())
);
}
int Gomoku::Board::CountFreeThreesLastMove(Gomoku::Board::Side side, Gomoku::Board::pcell lastMove) const
{
int freeThreesCount = 0;
const auto& row = lastMove.first;
const auto& col = lastMove.second;
const auto &upC = _cToUpLines.at({row, col});
const auto &downC = _cToDownLines.at({row, col});
int accHorizon = 0;
for (int i = std::max(col - 2, 0); i < std::min(col + 3, cells_in_line); i++)
accHorizon += (At(row, i) == side);
int accVertical = 0;
for (int i = std::max(row - 2, 0); i < std::min(row + 3, cells_in_line); i++)
accVertical += (At(i, col) == side);
int accUplines = 0;
for (int i = std::max(upC.second - 2, 0); i < std::min(upC.second + 3, cells_in_line); i++)
accUplines += ((Side((upLines_[upC.first] >> (i * bits_per_cell) & board_line {0b11}).to_ulong()) == side));
int accDownlines = 0;
for (int i = std::max(downC.second - 2, 0); i < std::min(downC.second + 3, cells_in_line); i++)
accDownlines += ((Side((downLines_[downC.first] >> (i * bits_per_cell) & board_line {0b11}).to_ulong()) == side));
if (Board::Side::White == side)
{
if (accHorizon > 1)
{
freeThreesCount += CountFiguresPoints(board_, figure_free_three2_w, row, col);
freeThreesCount += CountFiguresPoints(board_, figure_free_three3_w, row, col);
freeThreesCount -= CountFiguresPoints(board_, figure_free_three1_w, row, col);
freeThreesCount += CountFiguresPoints(board_, figure_free_three4_w, row, col);
freeThreesCount += CountFiguresPoints(board_, figure_free_three5_w, row, col);
}
if (accVertical > 1)
{
freeThreesCount += CountFiguresPoints(vertical_, figure_free_three2_w, col, row);
freeThreesCount += CountFiguresPoints(vertical_, figure_free_three3_w, col, row);
freeThreesCount -= CountFiguresPoints(vertical_, figure_free_three1_w, col, row);
freeThreesCount += CountFiguresPoints(vertical_, figure_free_three4_w, col, row);
freeThreesCount += CountFiguresPoints(vertical_, figure_free_three5_w, col, row);
}
if (accUplines > 1)
{
freeThreesCount += CountFiguresPoints(upLines_, figure_free_three2_w, upC.first, upC.second);
freeThreesCount += CountFiguresPoints(upLines_, figure_free_three3_w, upC.first, upC.second);
freeThreesCount -= CountFiguresPoints(upLines_, figure_free_three1_w, upC.first, upC.second);
freeThreesCount += CountFiguresPoints(upLines_, figure_free_three4_w, upC.first, upC.second);
freeThreesCount += CountFiguresPoints(upLines_, figure_free_three5_w, upC.first, upC.second);
}
if (accDownlines > 1)
{
freeThreesCount += CountFiguresPoints(downLines_, figure_free_three2_w, downC.first, downC.second);
freeThreesCount += CountFiguresPoints(downLines_, figure_free_three3_w, downC.first, downC.second);
freeThreesCount -= CountFiguresPoints(downLines_, figure_free_three1_w, downC.first, downC.second);
freeThreesCount += CountFiguresPoints(downLines_, figure_free_three4_w, downC.first, downC.second);
freeThreesCount += CountFiguresPoints(downLines_, figure_free_three5_w, downC.first, downC.second);
}
}
else if (Board::Side::Black == side)
{
if (accHorizon > 1)
{
freeThreesCount += CountFiguresPoints(board_, figure_free_three2_b, row, col);
freeThreesCount += CountFiguresPoints(board_, figure_free_three3_b, row, col);
freeThreesCount -= CountFiguresPoints(board_, figure_free_three1_b, row, col);
freeThreesCount += CountFiguresPoints(board_, figure_free_three4_b, row, col);
freeThreesCount += CountFiguresPoints(board_, figure_free_three5_b, row, col);
}
if (accVertical > 1)
{
freeThreesCount += CountFiguresPoints(vertical_, figure_free_three2_b, col, row);
freeThreesCount += CountFiguresPoints(vertical_, figure_free_three3_b, col, row);
freeThreesCount -= CountFiguresPoints(vertical_, figure_free_three1_b, col, row);
freeThreesCount += CountFiguresPoints(vertical_, figure_free_three4_b, col, row);
freeThreesCount += CountFiguresPoints(vertical_, figure_free_three5_b, col, row);
}
if (accUplines > 1)
{
freeThreesCount += CountFiguresPoints(upLines_, figure_free_three2_b, upC.first, upC.second);
freeThreesCount += CountFiguresPoints(upLines_, figure_free_three3_b, upC.first, upC.second);
freeThreesCount -= CountFiguresPoints(upLines_, figure_free_three1_b, upC.first, upC.second);
freeThreesCount += CountFiguresPoints(upLines_, figure_free_three4_b, upC.first, upC.second);
freeThreesCount += CountFiguresPoints(upLines_, figure_free_three5_b, upC.first, upC.second);
}
if (accDownlines > 1)
{
freeThreesCount += CountFiguresPoints(downLines_, figure_free_three2_b, downC.first, downC.second);
freeThreesCount += CountFiguresPoints(downLines_, figure_free_three3_b, downC.first, downC.second);
freeThreesCount -= CountFiguresPoints(downLines_, figure_free_three1_b, downC.first, downC.second);
freeThreesCount += CountFiguresPoints(downLines_, figure_free_three4_b, downC.first, downC.second);
freeThreesCount += CountFiguresPoints(downLines_, figure_free_three5_b, downC.first, downC.second);
}
}
return freeThreesCount;
}
void Gomoku::Board::FindMovesBreaksFifthInternal()
{
for (int i = 0; i < cells_in_line; i++)
for (int j = 0; j < cells_in_line; j++)
{
// Valid move is an empty cell
if (Side::None != At(i, j))
continue;
// Valid move can be only a capture one
if (!IsMoveCapture({i, j}, movePattern_))
continue;
// Pretending capture
auto captured = MakeCaptureInternal({i, j}, Side(movePattern_.to_ulong()));
if (captured.empty())
continue;
int fifthCount = 0;
if (!WhiteMove())
{
fifthCount += CountFigures(board_, figure_five_w);
fifthCount += CountFigures(vertical_, figure_five_w);
fifthCount += CountFigures(upLines_, figure_five_w, true);
fifthCount += CountFigures(downLines_, figure_five_w, true);
BlackCapturePoints_ -= (int(captured.size()) / 2);
}
else
{
fifthCount += CountFigures(board_, figure_five_b);
fifthCount += CountFigures(vertical_, figure_five_b);
fifthCount += CountFigures(upLines_, figure_five_b, true);
fifthCount += CountFigures(downLines_, figure_five_b, true);
WhiteCapturePoints_ -= (int(captured.size()) / 2);
}
// Capture destroys five => add it to available moves list
if (fifthCount == 0)
availableMoves_.emplace_back(i, j);
// Return all `captured` stones back
for (const auto &c : captured)
SetStoneInternal(c.first, c.second, Side(movePattern_.to_ulong() ^ 0b11U));
}
}
std::vector<Gomoku::Board::pcell> Gomoku::Board::MakeCaptureInternal(pcell move, Side side)
{
std::vector<pcell> capturedStones;
const int row = move.first, col = move.second;
const int centerStone = int(side);
// capture pair up
if (row + 3 < 19
&& int(this->At(row + 1, col)) == (centerStone ^ 0b11U)
&& int(this->At(row + 2, col)) == (centerStone ^ 0b11U)
&& int(this->At(row + 3, col)) == centerStone
) {
SetStoneInternal(row + 1, col, Side::None);
capturedStones.emplace_back(row + 1, col);
SetStoneInternal(row + 2, col, Side::None);
capturedStones.emplace_back(row + 2, col);
if (WhiteMove())
WhiteCapturePoints_++;
else
BlackCapturePoints_++;
}
// capture pair up right
if (row + 3 < 19
&& col + 3 < 19
&& int(this->At(row + 1, col + 1)) == (centerStone ^ 0b11U)
&& int(this->At(row + 2, col + 2)) == (centerStone ^ 0b11U)
&& int(this->At(row + 3, col + 3)) == centerStone
) {
SetStoneInternal(row + 1, col + 1, Side::None);
capturedStones.emplace_back(row + 1, col + 1);
SetStoneInternal(row + 2, col + 2, Side::None);
capturedStones.emplace_back(row + 2, col + 2);
if (WhiteMove())
WhiteCapturePoints_++;
else
BlackCapturePoints_++;
}
// capture pair right
if (col + 3 < 19
&& int(this->At(row, col + 1)) == (centerStone ^ 0b11U)
&& int(this->At(row, col + 2)) == (centerStone ^ 0b11U)
&& int(this->At(row, col + 3)) == (centerStone))
{
SetStoneInternal(row, col + 1, Side::None);
capturedStones.emplace_back(row, col + 1);
SetStoneInternal(row, col + 2, Side::None);
capturedStones.emplace_back(row, col + 2);
if (WhiteMove())
WhiteCapturePoints_++;
else
BlackCapturePoints_++;
}
// capture pair down right
if (row - 3 >= 0
&& col + 3 < 19
&& int(this->At(row - 1, col + 1)) == (centerStone ^ 0b11U)
&& int(this->At(row - 2, col + 2)) == (centerStone ^ 0b11U)
&& int(this->At(row - 3, col + 3)) == (centerStone))
{
SetStoneInternal(row - 1, col + 1, Side::None);
capturedStones.emplace_back(row - 1, col + 1);
SetStoneInternal(row - 2, col + 2, Side::None);
capturedStones.emplace_back(row - 2, col + 2);
if (WhiteMove())
WhiteCapturePoints_++;
else
BlackCapturePoints_++;
}
// capture pair down
if (row - 3 >= 0
&& int(this->At(row - 1, col)) == (centerStone ^ 0b11U)
&& int(this->At(row - 2, col)) == (centerStone ^ 0b11U)
&& int(this->At(row - 3, col)) == (centerStone)) {
SetStoneInternal(row - 1, col, Side::None);
capturedStones.emplace_back(row - 1, col);
SetStoneInternal(row - 2, col, Side::None);
capturedStones.emplace_back(row - 2, col);
if (WhiteMove())
WhiteCapturePoints_++;
else
BlackCapturePoints_++;
}
// capture pair down left
if (row - 3 >= 0
&& col - 3 >= 0
&& int(this->At(row - 1, col - 1)) == (centerStone ^ 0b11U)
&& int(this->At(row - 2, col - 2)) == (centerStone ^ 0b11U)
&& int(this->At(row - 3, col - 3)) == (centerStone))
{
SetStoneInternal(row - 1, col - 1, Side::None);
capturedStones.emplace_back(row - 1, col - 1);
SetStoneInternal(row - 2, col - 2, Side::None);
capturedStones.emplace_back(row - 2, col - 2);
if (WhiteMove())
WhiteCapturePoints_++;
else
BlackCapturePoints_++;
}
// capture pair left
if (col - 3 >= 0
&& int(this->At(row, col - 1)) == (centerStone ^ 0b11U)
&& int(this->At(row, col - 2)) == (centerStone ^ 0b11U)
&& int(this->At(row, col - 3)) == (centerStone))
{
SetStoneInternal(row, col - 1, Side::None);
capturedStones.emplace_back(row, col - 1);
SetStoneInternal(row, col - 2, Side::None);
capturedStones.emplace_back(row, col - 2);
if (WhiteMove())
WhiteCapturePoints_++;
else
BlackCapturePoints_++;
}
// capture pair up left
if (row + 3 < 19
&& col - 3 >= 0
&& int(this->At(row + 1, col - 1)) == (centerStone ^ 0b11U)
&& int(this->At(row + 2, col - 2)) == (centerStone ^ 0b11U)
&& int(this->At(row + 3, col - 3)) == (centerStone))
{
SetStoneInternal(row + 1, col - 1, Side::None);
capturedStones.emplace_back(row + 1, col - 1);
SetStoneInternal(row + 2, col - 2, Side::None);
capturedStones.emplace_back(row + 2, col - 2);
if (WhiteMove())
WhiteCapturePoints_++;
else
BlackCapturePoints_++;
}
return capturedStones;
}
Gomoku::Board::MoveResult Gomoku::Board::MakeMove(pcell move)
{
auto ret = MakeMoveInternal(move.first, move.second);
this->lastMoveResult_ = ret;
return ret;
}
Gomoku::Board::MoveResult Gomoku::Board::MakeMoveInternal(int row, int col)
{
if (std::find(availableMoves_.begin(), availableMoves_.end(), std::make_pair(row, col)) == availableMoves_.end())
return Board::MoveResult::WrongMove;
MoveResult ret = MoveResult::Default;
// Add to move history
moves_.emplace_back(row, col);
// Put stone on board
SetStoneInternal(row, col, Side(movePattern_.to_ulong()));
// Delete cell from available ones
// Make captures if exist
if (!MakeCaptureInternal({row, col}, Side(movePattern_.to_ulong())).empty())
ret = MoveResult::Capture;
availableMoves_ = {};
if (WhiteMove() && WhiteCapturePoints_ >= 5)
return MoveResult::WhiteWin;
if (!WhiteMove() && BlackCapturePoints_ >= 5)
return MoveResult::BlackWin;
int fivesCount = 0;
const auto &upC = _cToUpLines.at({row, col});
const auto &downC = _cToDownLines.at({row, col});
if (WhiteMove())
{
fivesCount += CountFiguresPoints(board_, figure_five_w, row, col);
fivesCount += CountFiguresPoints(vertical_, figure_five_w, col, row);
fivesCount += CountFiguresPoints(upLines_, figure_five_w, upC.first, upC.second);
fivesCount += CountFiguresPoints(downLines_, figure_five_w, downC.first, downC.second);
}
else
{
fivesCount += CountFiguresPoints(board_, figure_five_b, row, col);
fivesCount += CountFiguresPoints(vertical_, figure_five_b, col, row);
fivesCount += CountFiguresPoints(upLines_, figure_five_b, upC.first, upC.second);
fivesCount += CountFiguresPoints(downLines_, figure_five_b, downC.first, downC.second);
}
// Change move
movePattern_ ^= 0b11;
if (fivesCount > 0)
{
// Form avalable ending moves
FindMovesBreaksFifthInternal();
if (availableMoves_.empty())
{
if (WhiteMove())
return MoveResult::BlackWin;
return MoveResult::WhiteWin;
}
return ret;
}
GenerateAvailableMovesInternal();
if (availableMoves_.empty())
return MoveResult::Draw;
return ret;
}
std::string Gomoku::Board::ToPgnString() const
{
std::stringstream ss;
pgn::TagList tl;
tl.insert(pgn::Tag("Game", "Gomoku"));
tl.insert(pgn::Tag("Variant", "42"));
pgn::MoveList ml;
pgn::GameResult gr;
const auto& moves = GetMovesList();
for (int i = 0; i < moves.size(); i += 2)
{
auto a = pgn::Move(
pgn::Ply(Gomoku::Board::MoveToString(moves[i])),
(i + 1 < moves.size()) ? pgn::Ply(Gomoku::Board::MoveToString(moves[i + 1])) : pgn::Ply(""),
(i/2) + 1);
ml.push_back(a);
}
ss << pgn::Game(tl, ml, gr) << std::endl;
return ss.str();
}
size_t Gomoku::Board::hash() const
{
std::size_t seed = board_.size();
for(const auto& i : board_)
seed ^= std::hash<board_line>{}(i);
return seed;
}
bool Gomoku::Board::TakeBackMove()
{
if (moves_.size() < 2) return false;
moves_.pop_back();
moves_.pop_back();
*this = Board(moves_);
return true;
}
void Gomoku::Board::Reset()
{
*this = Board();
}
void Gomoku::Board::SetStoneInternal(int row, int col, Gomoku::Board::Side s)
{
const auto &verticle = _cToVerticles.at({row, col});
const auto &upline = _cToUpLines.at({row, col});
const auto &downline = _cToDownLines.at({row, col});
board_[row][col * 2] = unsigned(s)&1U;
board_[row][col * 2 + 1] = (unsigned(s)>>1U)&1U;
vertical_[verticle.first][verticle.second * 2] = unsigned(s)&1U;
vertical_[verticle.first][verticle.second * 2 + 1] = (unsigned(s)>>1U)&1U;
upLines_[upline.first][upline.second * 2] = unsigned(s) & 1U;
upLines_[upline.first][upline.second * 2 + 1] = (unsigned(s) >> 1U) & 1U;
downLines_[downline.first][downline.second * 2] = unsigned(s) & 1U;
downLines_[downline.first][downline.second * 2 + 1] = (unsigned(s) >> 1U) & 1U;
}
Gomoku::Board::Side Gomoku::Board::At(pcell cell) const
{
const int row = cell.first;
const int col = cell.second;
switch (
int(board_[row][col * 2]) |
int(board_[row][col * 2 + 1] << 1)
) {
case 0:
return Side::None;
case 1:
return Side::White;
case 2:
return Side::Black;
}
throw std::runtime_error("Unknown stone on board");
}
Gomoku::Board::Side Gomoku::Board::At(int row, int col) const
{
return At(std::make_pair(row, col));
}
int Gomoku::Board::GetCapturePoints(Gomoku::Board::Side side) const
{
if (Side::White == side)
return WhiteCapturePoints_;
else if (Side::Black == side)
return BlackCapturePoints_;
return -1;
}
const std::vector<Gomoku::Board::pcell> &Gomoku::Board::GetAvailableMoves() const
{
return availableMoves_;
}
std::istream &Gomoku::operator>>(std::istream &is, Gomoku::Board &bs)
{
bs = Board();
int a, b;
is
>> bs.WhiteCapturePoints_
>> bs.BlackCapturePoints_
>> bs.movePattern_;
for (int i = Gomoku::Board::cells_in_line - 1; i > -1; i--)
{
for (int j = 0; j < Gomoku::Board::cells_in_line; j++) {
char kek;
is >> kek;
switch (kek) {
case '_':
bs.SetStoneInternal(i, j, Gomoku::Board::Side::None);
break;
case 'X':
bs.SetStoneInternal(i, j, Gomoku::Board::Side::White);
break;
case 'O':
bs.SetStoneInternal(i, j, Gomoku::Board::Side::Black);
break;
}
}
}
bs.GenerateAvailableMovesInternal();
return is;
}
std::ostream &Gomoku::operator<<(std::ostream &os, const Gomoku::Board &bs)
{
os
<< bs.GetCapturePoints(Gomoku::Board::Side::White)
<< " " << bs.GetCapturePoints(Gomoku::Board::Side::Black)
<< " " << bs.movePattern_ << std::endl;
for (int i = 18; i >= 0; i--)
{
for (int j = 0; j < 19; j++)
{
switch (bs.At(i, j)) {
case Gomoku::Board::Side::None:
os << "_";
break;
case Gomoku::Board::Side::White:
os << "X";
break;
case Gomoku::Board::Side::Black:
os << "O";
break;
}
}
os << std::endl;
}
return os;
}
bool Gomoku::Board::WhiteMove() const
{
return movePattern_ == 0b01;
}
const std::vector<Gomoku::Board::pcell> &Gomoku::Board::GetMovesList() const
{
return this->moves_;
}
Gomoku::Board::pcell Gomoku::Board::StringToMove(const std::string &s)
{
pcell ret;
ret.second = s[0] - 'a';
ret.first = std::stoi(s.c_str() + 1) - 1;
return ret;
}
std::string Gomoku::Board::MoveToString(const pcell &move)
{
std::stringstream ss;
static const char *letters = "abcdefghijklmnopqrs";
ss << letters[move.second] << move.first + 1;
return ss.str();
}
int Gomoku::Board::CountFigureOverBoard(const Gomoku::Board::GomokuShape &shape) const
{
int ret = 0;
ret += CountFigures(board_, shape);
ret += CountFigures(vertical_, shape);
ret += CountFigures(upLines_, shape, true);
ret += CountFigures(downLines_, shape, true);
return ret;
}
bool Gomoku::Board::IsThereFigureOnBoard(const Gomoku::Board::GomokuShape &shape) const
{
int ret = 0;
ret += CountFigures(board_, shape);
if (ret) return true;
ret += CountFigures(vertical_, shape);
if (ret) return true;
ret += CountFigures(upLines_, shape, true);
if (ret) return true;
ret += CountFigures(downLines_, shape, true);
if (ret) return true;
return false;
}
bool Gomoku::operator==(const Gomoku::Board &left, const Gomoku::Board &right)
{
return left.board_ == right.board_
&& left.WhiteCapturePoints_ == right.WhiteCapturePoints_
&& left.WhiteCapturePoints_ == right.BlackCapturePoints_;
}
Gomoku::Board::MoveResult Gomoku::Board::GetLastMoveResult() const
{
return this->lastMoveResult_;
}
int Gomoku::Board::CountFreeThrees(Gomoku::Board::Side side) const
{
int freeThreesCount = 0;
if (side == Side::White)
{
freeThreesCount += CountFigures(board_, figure_free_three2_w);
freeThreesCount += CountFigures(vertical_, figure_free_three2_w);
freeThreesCount += CountFigures(upLines_, figure_free_three2_w, true);
freeThreesCount += CountFigures(downLines_, figure_free_three2_w, true);
freeThreesCount += CountFigures(board_, figure_free_three3_w);
freeThreesCount += CountFigures(vertical_, figure_free_three3_w);
freeThreesCount += CountFigures(upLines_, figure_free_three3_w, true);
freeThreesCount += CountFigures(downLines_, figure_free_three3_w, true);
freeThreesCount -= CountFigures(board_, figure_free_three1_w);
freeThreesCount -= CountFigures(vertical_, figure_free_three1_w);
freeThreesCount -= CountFigures(upLines_, figure_free_three1_w, true);
freeThreesCount -= CountFigures(downLines_, figure_free_three1_w, true);
freeThreesCount += CountFigures(board_, figure_free_three4_w);
freeThreesCount += CountFigures(vertical_, figure_free_three4_w);
freeThreesCount += CountFigures(upLines_, figure_free_three4_w, true);
freeThreesCount += CountFigures(downLines_, figure_free_three4_w, true);
freeThreesCount += CountFigures(board_, figure_free_three5_w);
freeThreesCount += CountFigures(vertical_, figure_free_three5_w);
freeThreesCount += CountFigures(upLines_, figure_free_three5_w, true);
freeThreesCount += CountFigures(downLines_, figure_free_three5_w, true);
}
else
{
freeThreesCount += CountFigures(board_, figure_free_three2_b);
freeThreesCount += CountFigures(vertical_, figure_free_three2_b);
freeThreesCount += CountFigures(upLines_, figure_free_three2_b, true);
freeThreesCount += CountFigures(downLines_, figure_free_three2_b, true);
freeThreesCount += CountFigures(board_, figure_free_three3_b);
freeThreesCount += CountFigures(vertical_, figure_free_three3_b);
freeThreesCount += CountFigures(upLines_, figure_free_three3_b, true);
freeThreesCount += CountFigures(downLines_, figure_free_three3_b, true);
freeThreesCount -= CountFigures(board_, figure_free_three1_b);
freeThreesCount -= CountFigures(vertical_, figure_free_three1_b);
freeThreesCount -= CountFigures(upLines_, figure_free_three1_b, true);
freeThreesCount -= CountFigures(downLines_, figure_free_three1_b, true);
freeThreesCount += CountFigures(board_, figure_free_three4_b);
freeThreesCount += CountFigures(vertical_, figure_free_three4_b);
freeThreesCount += CountFigures(upLines_, figure_free_three4_b, true);
freeThreesCount += CountFigures(downLines_, figure_free_three4_b, true);
freeThreesCount += CountFigures(board_, figure_free_three5_b);
freeThreesCount += CountFigures(vertical_, figure_free_three5_b);
freeThreesCount += CountFigures(upLines_, figure_free_three5_b, true);
freeThreesCount += CountFigures(downLines_, figure_free_three5_b, true);
}
return freeThreesCount;
}
int Gomoku::Board::CountHalfFreeFours(Gomoku::Board::Side side) const
{
// TODO прижатые к стенке четверки надо сделать.
int halfFreeFoursCount = 0;
if (side == Side::White)
{
halfFreeFoursCount += CountFigures(board_, figure_half_four1_w);
halfFreeFoursCount += CountFigures(vertical_, figure_half_four1_w);
halfFreeFoursCount += CountFigures(upLines_, figure_half_four1_w, true);
halfFreeFoursCount += CountFigures(downLines_, figure_half_four1_w, true);
halfFreeFoursCount += CountFigures(board_, figure_half_four2_w);
halfFreeFoursCount += CountFigures(vertical_, figure_half_four2_w);
halfFreeFoursCount += CountFigures(upLines_, figure_half_four2_w, true);
halfFreeFoursCount += CountFigures(downLines_, figure_half_four2_w, true);
halfFreeFoursCount += CountFigures(board_, figure_half_four3_w);
halfFreeFoursCount += CountFigures(vertical_, figure_half_four3_w);
halfFreeFoursCount += CountFigures(upLines_, figure_half_four3_w, true);
halfFreeFoursCount += CountFigures(downLines_, figure_half_four3_w, true);
halfFreeFoursCount += CountFigures(board_, figure_half_four4_w);
halfFreeFoursCount += CountFigures(vertical_, figure_half_four4_w);
halfFreeFoursCount += CountFigures(upLines_, figure_half_four4_w, true);
halfFreeFoursCount += CountFigures(downLines_, figure_half_four4_w, true);
halfFreeFoursCount += CountFigures(board_, figure_half_four5_w);
halfFreeFoursCount += CountFigures(vertical_, figure_half_four5_w);
halfFreeFoursCount += CountFigures(upLines_, figure_half_four5_w, true);
halfFreeFoursCount += CountFigures(downLines_, figure_half_four5_w, true);
halfFreeFoursCount += CountFiguresBeginRow(board_, figure_half_four6_special_w);
halfFreeFoursCount += CountFiguresBeginRow(vertical_, figure_half_four6_special_w);
halfFreeFoursCount += CountFiguresBeginRow(upLines_, figure_half_four6_special_w, true);
halfFreeFoursCount += CountFiguresBeginRow(downLines_, figure_half_four6_special_w, true);
halfFreeFoursCount += CountFiguresEndRow(board_, figure_half_four7_special_w);
halfFreeFoursCount += CountFiguresEndRow(vertical_, figure_half_four7_special_w);
halfFreeFoursCount += CountFiguresEndRow(upLines_, figure_half_four7_special_w, true);
halfFreeFoursCount += CountFiguresEndRow(downLines_, figure_half_four7_special_w, true);
}
else
{
halfFreeFoursCount += CountFigures(board_, figure_half_four1_b);
halfFreeFoursCount += CountFigures(vertical_, figure_half_four1_b);
halfFreeFoursCount += CountFigures(upLines_, figure_half_four1_b, true);
halfFreeFoursCount += CountFigures(downLines_, figure_half_four1_b, true);
halfFreeFoursCount += CountFigures(board_, figure_half_four2_b);
halfFreeFoursCount += CountFigures(vertical_, figure_half_four2_b);
halfFreeFoursCount += CountFigures(upLines_, figure_half_four2_b, true);
halfFreeFoursCount += CountFigures(downLines_, figure_half_four2_b, true);
halfFreeFoursCount += CountFigures(board_, figure_half_four3_b);
halfFreeFoursCount += CountFigures(vertical_, figure_half_four3_b);
halfFreeFoursCount += CountFigures(upLines_, figure_half_four3_b, true);
halfFreeFoursCount += CountFigures(downLines_, figure_half_four3_b, true);
halfFreeFoursCount += CountFigures(board_, figure_half_four4_b);
halfFreeFoursCount += CountFigures(vertical_, figure_half_four4_b);
halfFreeFoursCount += CountFigures(upLines_, figure_half_four4_b, true);
halfFreeFoursCount += CountFigures(downLines_, figure_half_four4_b, true);
halfFreeFoursCount += CountFigures(board_, figure_half_four5_b);
halfFreeFoursCount += CountFigures(vertical_, figure_half_four5_b);
halfFreeFoursCount += CountFigures(upLines_, figure_half_four5_b, true);
halfFreeFoursCount += CountFigures(downLines_, figure_half_four5_b, true);
halfFreeFoursCount += CountFiguresBeginRow(board_, figure_half_four6_special_b);
halfFreeFoursCount += CountFiguresBeginRow(vertical_, figure_half_four6_special_b);
halfFreeFoursCount += CountFiguresBeginRow(upLines_, figure_half_four6_special_b, true);
halfFreeFoursCount += CountFiguresBeginRow(downLines_, figure_half_four6_special_b, true);
halfFreeFoursCount += CountFiguresEndRow(board_, figure_half_four7_special_b);
halfFreeFoursCount += CountFiguresEndRow(vertical_, figure_half_four7_special_b);
halfFreeFoursCount += CountFiguresEndRow(upLines_, figure_half_four7_special_b, true);
halfFreeFoursCount += CountFiguresEndRow(downLines_, figure_half_four7_special_b, true);
}
return halfFreeFoursCount;
}
int Gomoku::Board::CountHalfFreeThrees(Gomoku::Board::Side side) const
{
// TODO прижатые к стенке четверки надо сделать.
int halfFreeThreesCount = 0;
if (side == Side::White)
{
halfFreeThreesCount += CountFigures(board_, figure_half_three1_w);
halfFreeThreesCount += CountFigures(vertical_, figure_half_three1_w);
halfFreeThreesCount += CountFigures(upLines_, figure_half_three1_w, true);
halfFreeThreesCount += CountFigures(downLines_, figure_half_three1_w, true);
halfFreeThreesCount += CountFigures(board_, figure_half_three2_w);
halfFreeThreesCount += CountFigures(vertical_, figure_half_three2_w);
halfFreeThreesCount += CountFigures(upLines_, figure_half_three2_w, true);
halfFreeThreesCount += CountFigures(downLines_, figure_half_three2_w, true);
halfFreeThreesCount += CountFigures(board_, figure_half_three3_w);
halfFreeThreesCount += CountFigures(vertical_, figure_half_three3_w);
halfFreeThreesCount += CountFigures(upLines_, figure_half_three3_w, true);
halfFreeThreesCount += CountFigures(downLines_, figure_half_three3_w, true);
halfFreeThreesCount += CountFigures(board_, figure_half_three4_w);
halfFreeThreesCount += CountFigures(vertical_, figure_half_three4_w);
halfFreeThreesCount += CountFigures(upLines_, figure_half_three4_w, true);
halfFreeThreesCount += CountFigures(downLines_, figure_half_three4_w, true);
halfFreeThreesCount += CountFigures(board_, figure_half_three5_w);
halfFreeThreesCount += CountFigures(vertical_, figure_half_three5_w);
halfFreeThreesCount += CountFigures(upLines_, figure_half_three5_w, true);
halfFreeThreesCount += CountFigures(downLines_, figure_half_three5_w, true);
halfFreeThreesCount += CountFigures(board_, figure_half_three6_w);
halfFreeThreesCount += CountFigures(vertical_, figure_half_three6_w);
halfFreeThreesCount += CountFigures(upLines_, figure_half_three6_w, true);
halfFreeThreesCount += CountFigures(downLines_, figure_half_three6_w, true);
}
else
{
halfFreeThreesCount += CountFigures(board_, figure_half_three1_b);
halfFreeThreesCount += CountFigures(vertical_, figure_half_three1_b);
halfFreeThreesCount += CountFigures(upLines_, figure_half_three1_b, true);
halfFreeThreesCount += CountFigures(downLines_, figure_half_three1_b, true);
halfFreeThreesCount += CountFigures(board_, figure_half_three2_b);
halfFreeThreesCount += CountFigures(vertical_, figure_half_three2_b);
halfFreeThreesCount += CountFigures(upLines_, figure_half_three2_b, true);
halfFreeThreesCount += CountFigures(downLines_, figure_half_three2_b, true);
halfFreeThreesCount += CountFigures(board_, figure_half_three3_b);
halfFreeThreesCount += CountFigures(vertical_, figure_half_three3_b);
halfFreeThreesCount += CountFigures(upLines_, figure_half_three3_b, true);
halfFreeThreesCount += CountFigures(downLines_, figure_half_three3_b, true);
halfFreeThreesCount += CountFigures(board_, figure_half_three4_b);
halfFreeThreesCount += CountFigures(vertical_, figure_half_three4_b);
halfFreeThreesCount += CountFigures(upLines_, figure_half_three4_b, true);
halfFreeThreesCount += CountFigures(downLines_, figure_half_three4_b, true);
halfFreeThreesCount += CountFigures(board_, figure_half_three5_b);
halfFreeThreesCount += CountFigures(vertical_, figure_half_three5_b);
halfFreeThreesCount += CountFigures(upLines_, figure_half_three5_b, true);
halfFreeThreesCount += CountFigures(downLines_, figure_half_three5_b, true);
halfFreeThreesCount += CountFigures(board_, figure_half_three6_b);
halfFreeThreesCount += CountFigures(vertical_, figure_half_three6_b);
halfFreeThreesCount += CountFigures(upLines_, figure_half_three6_b, true);
halfFreeThreesCount += CountFigures(downLines_, figure_half_three6_b, true);
}
return halfFreeThreesCount;
}
void Gomoku::Board::GenerateAvailableMovesInternal()
{
availableMoves_.clear();
// Form available moves for next turn
for (int i = 0; i < cells_in_line; i++)
for (int j = 0; j < cells_in_line; j++)
{
if (Side::None != At(i, j))
continue;