SuspectAI.ts•8.15 kB
import { OllamaClient } from '../ollama/OllamaClient';
import { PersonalityManager } from './PersonalityManager';
import {
SuspectBackground,
SuspectStatus,
GamePhase,
GameContext,
QuestionType,
SuspectSpecialAction
} from '../types/GameTypes';
export class SuspectAI {
private background: SuspectBackground;
private status: SuspectStatus;
private currentPhase: GamePhase;
private ollamaClient: OllamaClient;
private conversationHistory: GameContext['conversationHistory'];
private secretsRevealed: string[];
private specialActions: SuspectSpecialAction[];
constructor(ollamaModel: string = 'qwen2.5:7b') {
this.background = this.generateRandomSuspect();
this.status = this.initializeStatus();
this.currentPhase = GamePhase.PHASE1_CONFIDENT;
this.ollamaClient = new OllamaClient(ollamaModel);
this.conversationHistory = [];
this.secretsRevealed = [];
this.specialActions = PersonalityManager.generateSpecialActions(this.background);
}
/**
* ランダムな容疑者を生成
*/
private generateRandomSuspect(): SuspectBackground {
const names = ['田中太郎', '佐藤花子', '鈴木一郎', '高橋美咲', '渡辺健二'];
const occupations = ['会社員', '教師', '医師', '店員', 'フリーランス'];
const crimes = ['窃盗', '詐欺', '横領', '暴行', '器物損壊'];
const motives = [
'借金返済のため',
'家族を守るため',
'復讐のため',
'金銭的な困窮',
'衝動的な行動'
];
const personalities = ['冷静', '感情的', '頑固', '狡猾', '臆病'];
const weaknesses = [
'家族への愛情',
'罪悪感',
'証拠の存在',
'共犯者の裏切り',
'過去のトラウマ'
];
const suspect: SuspectBackground = {
name: names[Math.floor(Math.random() * names.length)] || '名無し',
age: 25 + Math.floor(Math.random() * 30),
occupation: occupations[Math.floor(Math.random() * occupations.length)] || '無職',
crime: crimes[Math.floor(Math.random() * crimes.length)] || '不明',
motive: motives[Math.floor(Math.random() * motives.length)] || '不明',
personality: personalities[Math.floor(Math.random() * personalities.length)] || '冷静',
secretWeakness: weaknesses[Math.floor(Math.random() * weaknesses.length)] || '不明',
hiddenTruths: this.generateHiddenTruths()
};
return suspect;
}
/**
* 隠された真実を生成
*/
private generateHiddenTruths(): string[] {
return [
'アリバイは嘘だった',
'共犯者がいる',
'証拠を隠している場所がある',
'本当の動機は別にある',
'被害者との関係を隠している'
].sort(() => Math.random() - 0.5).slice(0, 3);
}
/**
* 初期ステータス設定
*/
private initializeStatus(): SuspectStatus {
return {
mentalLife: 100,
alertLevel: 10,
trustLevel: 20,
confessionRate: 0
};
}
/**
* 質問タイプを検出
*/
detectQuestionType(question: string): QuestionType {
return this.ollamaClient.detectQuestionType(question);
}
/**
* 質問に対する応答を生成
*/
async generateResponse(playerQuestion: string): Promise<{
response: string;
emotion: string;
innerThought?: string;
specialAction?: SuspectSpecialAction;
}> {
// 質問タイプ検出
const questionType = this.ollamaClient.detectQuestionType(playerQuestion);
// 会話履歴に追加
this.conversationHistory.push({
role: 'player',
message: playerQuestion,
questionType
});
// ゲームコンテキスト作成
const gameContext: GameContext = {
suspect: this.background,
currentStatus: this.status,
currentPhase: this.currentPhase,
conversationHistory: this.conversationHistory,
turnNumber: this.conversationHistory.length,
secretsRevealed: this.secretsRevealed
};
// AI応答生成
let response = await this.ollamaClient.generateResponse(
gameContext,
playerQuestion,
questionType
);
// 真実の漏洩チェック
if (PersonalityManager.shouldRevealTruth(this.currentPhase, this.status.mentalLife)) {
const partialTruth = PersonalityManager.generatePartialTruth(
this.background.hiddenTruths.filter(t => !this.secretsRevealed.includes(t))
);
if (partialTruth) {
response += ` ${partialTruth}`;
}
}
// 自供モードチェック
if (this.currentPhase === GamePhase.PHASE4_BREAKDOWN && this.status.confessionRate > 80) {
if (Math.random() < 0.3) {
response = PersonalityManager.generateConfessionLine(this.background);
}
}
// 感情生成
const emotion = PersonalityManager.generateEmotion(this.currentPhase, this.status.mentalLife);
// 内部思考（デバッグ/演出用）
const innerThought = PersonalityManager.generateInnerThought(this.currentPhase, this.status);
// 特殊アクション判定
const specialAction = this.checkSpecialAction();
// 会話履歴に追加
this.conversationHistory.push({
role: 'suspect',
message: response
});
return {
response,
emotion,
innerThought,
specialAction
};
}
/**
* 特殊アクション判定
*/
private checkSpecialAction(): SuspectSpecialAction | undefined {
for (const action of this.specialActions) {
if (Math.random() < action.probability) {
// トリガー条件チェック（簡易実装）
if (this.evaluateTrigger(action.trigger)) {
return action;
}
}
}
return undefined;
}
/**
* トリガー条件評価
*/
private evaluateTrigger(trigger: string): boolean {
// 簡易的なトリガー評価
if (trigger.includes('alertLevel > 60')) {
return this.status.alertLevel > 60;
}
if (trigger.includes('Life < 30%')) {
return this.status.mentalLife < 30;
}
if (trigger.includes('Life < 20%')) {
return this.status.mentalLife < 20;
}
if (trigger === 'いつでも') {
return true;
}
return false;
}
/**
* ステータス更新
*/
updateStatus(changes: Partial<SuspectStatus>): void {
this.status = {
...this.status,
...changes
};
// フェーズ更新チェック
const newPhase = this.determinePhase();
if (newPhase !== this.currentPhase) {
this.currentPhase = newPhase;
}
}
/**
* フェーズ判定
*/
private determinePhase(): GamePhase {
if (this.status.mentalLife >= 70) return GamePhase.PHASE1_CONFIDENT;
if (this.status.mentalLife >= 40) return GamePhase.PHASE2_NERVOUS;
if (this.status.mentalLife >= 20) return GamePhase.PHASE3_CONFUSED;
return GamePhase.PHASE4_BREAKDOWN;
}
/**
* 秘密を暴露
*/
revealSecret(): string | null {
const unrevealed = this.background.hiddenTruths.filter(
t => !this.secretsRevealed.includes(t)
);
if (unrevealed.length === 0) return null;
const secret = unrevealed[Math.floor(Math.random() * unrevealed.length)];
if (secret) {
this.secretsRevealed.push(secret);
}
return secret ?? null;
}
/**
* ゲッター
*/
getBackground(): SuspectBackground {
return this.background;
}
getStatus(): SuspectStatus {
return this.status;
}
getCurrentPhase(): GamePhase {
return this.currentPhase;
}
getConversationHistory(): GameContext['conversationHistory'] {
return this.conversationHistory;
}
getSecretsRevealed(): string[] {
return this.secretsRevealed;
}
/**
* リセット
*/
reset(): void {
this.background = this.generateRandomSuspect();
this.status = this.initializeStatus();
this.currentPhase = GamePhase.PHASE1_CONFIDENT;
this.conversationHistory = [];
this.secretsRevealed = [];
this.specialActions = PersonalityManager.generateSpecialActions(this.background);
this.ollamaClient.resetContext();
}
}