137 lines
4.6 KiB
PHP
137 lines
4.6 KiB
PHP
<?php
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namespace Game\System;
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use Game\Event\Event;
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use Game\Event\EventListenerInterface;
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use Game\Event\EventDispatcher;
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use Game\Model\NPC;
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use Symfony\Component\Console\Input\InputInterface;
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use Symfony\Component\Console\Output\OutputInterface;
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use Symfony\Component\Console\Helper\QuestionHelper;
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use Symfony\Component\Console\Question\Question;
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/**
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* InteractionSystem: 负责处理玩家与 NPC 的对话和交互流程。
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*/
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class InteractionSystem implements EventListenerInterface {
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private EventDispatcher $dispatcher;
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private StateManager $stateManager;
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// 输入依赖
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private InputInterface $input;
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private OutputInterface $output;
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private QuestionHelper $helper;
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public function __construct(EventDispatcher $dispatcher, StateManager $stateManager, InputInterface $input, OutputInterface $output, QuestionHelper $helper) {
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$this->dispatcher = $dispatcher;
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$this->stateManager = $stateManager;
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$this->input = $input;
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$this->output = $output;
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$this->helper = $helper;
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}
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public function handleEvent(Event $event): void {
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switch ($event->getType()) {
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case 'AttemptInteractEvent':
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// 假设 MapSystem 会提供当前 Tile 上的 NPC ID
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$npcId = $event->getPayload()['npcId'];
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$this->startInteraction($npcId);
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break;
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}
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}
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/**
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* 1. 初始化 NPC 交互
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*/
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private function startInteraction(string $npcId): void {
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$npc = $this->loadNPC($npcId);
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if (!$npc) {
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$this->dispatcher->dispatch(new Event('SystemMessage', ['message' => "这里没有人可以交谈。"]));
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return;
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}
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$this->dispatcher->dispatch(new Event('SystemMessage', [
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'message' => "👤 你走近了 <fg=cyan;options=bold>{$npc->getName()}</>。"
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]));
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// 启动对话流程
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$this->dialogueLoop($npc);
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// 交互结束后，重新打印主菜单请求
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$this->dispatcher->dispatch(new Event('ShowMenuEvent'));
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}
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/**
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* 2. 核心对话循环
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*/
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private function dialogueLoop(NPC $npc): void {
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$currentDialogueKey = 'greeting';
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$running = true;
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while ($running) {
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// 打印 NPC 对话
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$text = $npc->getDialogueText($currentDialogueKey);
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$this->dispatcher->dispatch(new Event('SystemMessage', [
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'message' => "<fg=cyan>{$npc->getName()}</>：<fg=white>{$text}</>"
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]));
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// 检查交互类型并获取玩家选择
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$choice = $this->promptPlayerChoice();
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switch ($choice) {
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case 'T': // 触发任务/特殊事件
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$this->dispatcher->dispatch(new Event('QuestCheckEvent', ['npcId' => $npc->id]));
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$currentDialogueKey = 'quest_response';
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break;
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case 'S': // 触发商店
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$this->dispatcher->dispatch(new Event('OpenShopEvent', ['npcId' => $npc->id]));
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$currentDialogueKey = 'shop_response';
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break;
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case 'E': // 结束对话
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$running = false;
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$this->dispatcher->dispatch(new Event('SystemMessage', ['message' => "🤝 你结束了与 {$npc->getName()} 的对话。"]));
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break;
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default:
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$this->dispatcher->dispatch(new Event('SystemMessage', ['message' => '无效的交互指令。']));
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}
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}
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}
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/**
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* 获取玩家交互指令
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*/
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private function promptPlayerChoice(): string {
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$this->dispatcher->dispatch(new Event('SystemMessage', [
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'message' => "\n--- 交互菜单 --- [T] 任务 | [S] 商店 | [E] 结束"
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]));
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$question = new Question("> 请选择指令 (T/S/E)：");
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$choice = strtoupper($this->helper->ask($this->input, $this->output, $question) ?? '');
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return $choice;
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}
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/**
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* 模拟从配置中加载 NPC 数据
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*/
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private function loadNPC(string $id): ?NPC {
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$data = match ($id) {
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'VILLAGER_1' => [
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'name' => '老村长',
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'dialogue' => [
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'greeting' => '你好，旅行者。你看起来很强大。',
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'quest_response' => '你想要帮忙吗？我们的地窖里有老鼠。',
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'shop_response' => '我现在没有东西卖给你。',
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]
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],
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default => null,
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};
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if ($data) {
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return new NPC($id, $data['name'], $data['dialogue']);
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}
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return null;
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}
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} |