if (gameState.turn > 60) { endGame("CPUの勝利！（ターン制限）"); return; } if (!gameState.isPlayerTurn) { setTimeout(executeCPUTurn, 2000); // 思考時間を2秒に変更 } } function evaluateMove(piece, fromRow, fromCol, toRow, toCol, depth = 0) { if (depth >= 3) return 0; // 最大深度3まで探索 let score = 0; // 基本スコア計算（変更なし） if (gameState.board[toRow][toCol]?.isPlayer) { switch (gameState.board[toRow][toCol].type) { case PIECES.PRIESTESS: score += 5000; break; case PIECES.DRAGON: score += 800; break; case PIECES.SAMURAI: score += 600; break; case PIECES.NINJA: score += 500; break; case PIECES.FOX: score += 400; break; } } // 神社との距離に基づく評価を追加 const distanceToShrine = Math.abs(toRow - 2) + Math.abs(toCol - 2); if (gameState.terrain[toRow][toCol] === 'shrine') { score += 50; // 神社マスへの移動 } else if (distanceToShrine === 1) { score += piece.type === PIECES.PRIESTESS ? 1000 : 100; // 1マス隣 } else if (distanceToShrine === 2) { score += piece.type === PIECES.PRIESTESS ? 100 : 50; // 2マス隣 } // 既存の評価ロジック（以下変更なし） if (depth === 0) { const boardBackup = JSON.parse(JSON.stringify(gameState.board)); gameState.board[toRow][toCol] = gameState.board[fromRow][fromCol]; gameState.board[fromRow][fromCol] = null; // 次の20手を評価（変更点） const nextMoves = getAllValidMoves(!piece.isPlayer) .sort((a, b) => { const scoreA = getQuickEvaluation(a); const scoreB = getQuickEvaluation(b); return scoreB - scoreA; }) .slice(0, 20); // 上位20手のみ評価（変更点） for (const move of nextMoves) { score += evaluateMove( gameState.board[move.fromRow][move.fromCol], move.fromRow, move.fromCol, move.toRow, move.toCol, depth + 1 ) * 0.8; } gameState.board = boardBackup; } // 既存の評価ロジック（変更なし） if (piece.type === PIECES.PRIESTESS) { if (isUnderThreat(toRow, toCol, true)) { score -= 5000; } if (gameState.terrain[toRow][toCol] === 'shrine') { score += 3500; // 神社への移動スコアを3500に増加 if (gameState.cpuPriestessInShrineTimer === 1) { score += 1500; } } if (isUnderThreat(fromRow, fromCol, true)) { score += 1500; } } return score; } // 簡易評価関数を追加 function getQuickEvaluation(move) { const piece = gameState.board[move.fromRow][move.fromCol]; let score = 0; // 駒の捕獲評価 if (gameState.board[move.toRow][move.toCol]) { score += piece.type === PIECES.PRIESTESS ? 1000 : 500; } // 巫女の安全性評価 if (piece.type === PIECES.PRIESTESS) { if (gameState.terrain[move.toRow][move.toCol] === 'shrine') { score += 800; } if (!isUnderThreat(move.toRow, move.toCol, !piece.isPlayer)) { score += 600; } } return score; } function executeCPUTurn() { let bestMove = null; let bestScore = -Infinity; // CPUの思考ロジックを強化 for (let row = 0; row < 5; row++) { for (let col = 0; col < 5; col++) { const piece = gameState.board[row][col]; if (piece && !piece.isPlayer) { const moves = getValidMoves(piece, row, col); moves.forEach(([toRow, toCol]) => { let score = evaluateMove(piece, row, col, toRow, toCol); if (score > bestScore) { bestScore = score; bestMove = { fromRow: row, fromCol: col, toRow: toRow, toCol: toCol }; } }); } } } if (!bestMove) { let validMoves = getAllValidMoves(false); if (validMoves.length > 0) { bestMove = validMoves[Math.floor(Math.random() * validMoves.length)]; } } if (bestMove) { movePiece(bestMove.fromRow, bestMove.fromCol, bestMove.toRow, bestMove.toCol); renderBoard(); } } function findCPUPriestess() { for (let row = 0; row < 5; row++) { for (let col = 0; col < 5; col++) { const piece = gameState.board[row][col]; if (piece && !piece.isPlayer && piece.type === PIECES.PRIESTESS) { return { row, col }; } } } return null; } function canProtectPriestess(row, col, priestessPos) { // 巫女の周囲1マスに位置するかチェック const dx = Math.abs(row - priestessPos.row); const dy = Math.abs(col - priestessPos.col); return dx <= 1 && dy <= 1; } function evaluatePosition(piece, row, col) { let score = 0; // 中央への接近を評価 const distanceToCenter = Math.abs(2 - row) + Math.abs(2 - col); score -= distanceToCenter * 50; // 相手の陣地への進出を評価 if (row < 2) { score += 100; } // 安全な位置の評価 if (!isUnderThreat(row, col, false)) { score += 200; } return score; } function isUnderThreat(row, col, isPlayer) { // 指定位置が相手の駒の攻撃範囲内かチェック for (let r = 0; r < 5; r++) { for (let c = 0; c < 5; c++) { const piece = gameState.board[r][c]; if (piece && piece.isPlayer === isPlayer) { const moves = getValidMoves(piece, r, c); if (moves.some(([moveRow, moveCol]) => moveRow === row && moveCol === col)) { return true; } } } } return false; } function getAllValidMoves(isPlayer) { let moves = []; for (let row = 0; row < 5; row++) { for (let col = 0; col < 5; col++) { const piece = gameState.board[row][col]; if (piece && piece.isPlayer === isPlayer) { getValidMoves(piece, row, col).forEach(([toRow, toCol]) => { moves.push({ fromRow: row, fromCol: col, toRow: toRow, toCol: toCol }); }); } } } return moves; } function endGame(message) { gameState.gameOver = true; document.getElementById('message').style.display = 'block'; document.getElementById('message').textContent = message; } function renderBoard() { const boardElement = document.getElementById('board'); boardElement.innerHTML = ''; for (let row = 0; row < 5; row++) { for (let col = 0; col < 5; col++) { const cell = document.createElement('div'); cell.className = `cell ${gameState.terrain[row][col]}`; const piece = gameState.board[row][col]; if (piece) { const pieceContainer = document.createElement('div'); pieceContainer.className = 'piece-container'; pieceContainer.textContent = piece.type; cell.appendChild(pieceContainer); cell.classList.add(piece.isPlayer ? 'player-piece' : 'cpu-piece'); } cell.addEventListener('click', () => handleCellClick(row, col)); boardElement.appendChild(cell); } } document.getElementById('turnAndPlayer').textContent = `ターン: ${gameState.turn}　手番: ${gameState.isPlayerTurn ? 'プレイヤー' : 'CPU'}`; } function handleCellClick(row, col) { if (!gameState.isPlayerTurn || gameState.gameOver) return; const piece = gameState.board[row][col]; if (gameState.selectedPiece) { const validMoves = getValidMoves( gameState.board[gameState.selectedPiece.row][gameState.selectedPiece.col], gameState.selectedPiece.row, gameState.selectedPiece.col ); const isValidMove = validMoves.some(([r, c]) => r === row && c === col); if (isValidMove) { movePiece( gameState.selectedPiece.row, gameState.selectedPiece.col, row, col ); gameState.selectedPiece = null; renderBoard(); } else { gameState.selectedPiece = null; renderBoard(); } } else if (piece && piece.isPlayer) { gameState.selectedPiece = { row, col }; renderBoard(); const validMoves = getValidMoves(piece, row, col); validMoves.forEach(([r, c]) => { const cell = document.querySelector(`.board > div:nth-child(${r * 5 + c + 1})`); cell.classList.add('movable'); }); } } document.getElementById('resetButton').addEventListener('click', () => { initializeGame(); document.getElementById('message').style.display = 'none'; }); initializeGame();

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