652 lines
20 KiB
JavaScript
652 lines
20 KiB
JavaScript
/**
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* 故事播放场景 - 视觉小说风格
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*/
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import BaseScene from './BaseScene';
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export default class StoryScene extends BaseScene {
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constructor(main, params) {
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super(main, params);
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this.storyId = params.storyId;
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this.aiContent = params.aiContent || null; // AI改写内容
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this.story = null;
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this.currentNode = null;
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this.displayText = '';
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this.targetText = '';
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this.charIndex = 0;
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this.typewriterSpeed = 40;
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this.lastTypeTime = 0;
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this.isTyping = false;
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this.showChoices = false;
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this.waitingForClick = false;
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this.selectedChoice = -1;
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this.fadeAlpha = 0;
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this.isFading = false;
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// 滚动相关
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this.textScrollY = 0;
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this.maxScrollY = 0;
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this.isDragging = false;
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this.lastTouchY = 0;
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// 场景图相关
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this.sceneImage = null;
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this.sceneColors = this.generateSceneColors();
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}
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// 根据场景生成氛围色
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generateSceneColors() {
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const themes = [
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{ bg1: '#1a0a2e', bg2: '#16213e', accent: '#ff6b9d' }, // 浪漫
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{ bg1: '#0d1b2a', bg2: '#1b263b', accent: '#778da9' }, // 悬疑
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{ bg1: '#2d132c', bg2: '#801336', accent: '#ffd700' }, // 古风
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{ bg1: '#1a1a2e', bg2: '#0f3460', accent: '#00fff5' }, // 科幻
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{ bg1: '#0b1215', bg2: '#1e3a3a', accent: '#4ecca3' }, // 校园
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];
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return themes[Math.floor(Math.random() * themes.length)];
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}
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async init() {
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// 如果是AI改写内容，直接播放
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if (this.aiContent) {
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this.story = this.main.storyManager.currentStory;
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if (this.story) {
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this.setThemeByCategory(this.story.category);
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}
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this.currentNode = this.aiContent;
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this.startTypewriter(this.aiContent.content);
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return;
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}
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// 检查是否是重新开始（已有故事数据）
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const existingStory = this.main.storyManager.currentStory;
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if (existingStory && existingStory.id === this.storyId) {
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// 重新开始，使用已有数据
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this.story = existingStory;
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this.setThemeByCategory(this.story.category);
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this.currentNode = this.main.storyManager.getCurrentNode();
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if (this.currentNode) {
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this.startTypewriter(this.currentNode.content);
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}
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return;
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}
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// 首次加载故事
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this.main.showLoading('加载故事中...');
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this.story = await this.main.storyManager.loadStoryDetail(this.storyId);
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if (!this.story) {
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this.main.showError('故事加载失败');
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this.main.sceneManager.switchScene('home');
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return;
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}
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// 根据故事分类设置氛围
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this.setThemeByCategory(this.story.category);
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this.main.hideLoading();
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this.currentNode = this.main.storyManager.getCurrentNode();
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if (this.currentNode) {
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this.startTypewriter(this.currentNode.content);
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}
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}
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setThemeByCategory(category) {
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const themes = {
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'都市言情': { bg1: '#1a0a2e', bg2: '#2d1b4e', accent: '#ff6b9d' },
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'悬疑推理': { bg1: '#0d1b2a', bg2: '#1b263b', accent: '#778da9' },
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'古风宫廷': { bg1: '#2d132c', bg2: '#4a1942', accent: '#ffd700' },
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'校园青春': { bg1: '#0a2540', bg2: '#1e5162', accent: '#4ecca3' },
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'修仙玄幻': { bg1: '#0f0f2d', bg2: '#1a1a4e', accent: '#a855f7' },
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'穿越重生': { bg1: '#1a0a2e', bg2: '#3d1a5c', accent: '#f472b6' },
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'职场商战': { bg1: '#0c1929', bg2: '#1e3a5f', accent: '#60a5fa' },
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'科幻未来': { bg1: '#0a1628', bg2: '#162033', accent: '#00fff5' },
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'恐怖惊悚': { bg1: '#0a0a0a', bg2: '#1a1a1a', accent: '#ef4444' },
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'搞笑轻喜': { bg1: '#1a1a2e', bg2: '#2d2d52', accent: '#fbbf24' }
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};
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this.sceneColors = themes[category] || this.sceneColors;
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}
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startTypewriter(text) {
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this.targetText = text || '';
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this.displayText = '';
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this.charIndex = 0;
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this.isTyping = true;
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this.showChoices = false;
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this.waitingForClick = false;
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this.lastTypeTime = Date.now();
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// 重置滚动
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this.textScrollY = 0;
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this.maxScrollY = 0;
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}
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update() {
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if (this.isTyping && this.charIndex < this.targetText.length) {
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const now = Date.now();
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if (now - this.lastTypeTime >= this.typewriterSpeed) {
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this.displayText += this.targetText[this.charIndex];
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this.charIndex++;
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this.lastTypeTime = now;
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}
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} else if (this.isTyping && this.charIndex >= this.targetText.length) {
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this.isTyping = false;
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// 打字完成，等待用户点击再显示选项
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this.waitingForClick = true;
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}
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if (this.isFading) {
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this.fadeAlpha = Math.min(1, this.fadeAlpha + 0.05);
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if (this.fadeAlpha >= 1) {
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this.isFading = false;
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this.fadeAlpha = 0;
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}
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}
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}
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render(ctx) {
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// 1. 绘制场景背景
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this.renderSceneBackground(ctx);
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// 2. 绘制场景装饰
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this.renderSceneDecoration(ctx);
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// 3. 绘制顶部UI
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this.renderHeader(ctx);
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// 4. 绘制对话框
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this.renderDialogBox(ctx);
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// 5. 绘制选项
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if (this.showChoices) {
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this.renderChoices(ctx);
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}
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// 6. 淡入淡出
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if (this.fadeAlpha > 0) {
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ctx.fillStyle = `rgba(0, 0, 0, ${this.fadeAlpha})`;
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ctx.fillRect(0, 0, this.screenWidth, this.screenHeight);
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}
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}
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renderSceneBackground(ctx) {
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// 场景区域（上方45%）
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const sceneHeight = this.screenHeight * 0.42;
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// 渐变背景
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const gradient = ctx.createLinearGradient(0, 0, 0, sceneHeight);
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gradient.addColorStop(0, this.sceneColors.bg1);
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gradient.addColorStop(1, this.sceneColors.bg2);
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ctx.fillStyle = gradient;
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ctx.fillRect(0, 0, this.screenWidth, sceneHeight);
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// 底部渐变过渡到对话框
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const fadeGradient = ctx.createLinearGradient(0, sceneHeight - 60, 0, sceneHeight);
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fadeGradient.addColorStop(0, 'rgba(0,0,0,0)');
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fadeGradient.addColorStop(1, 'rgba(15,15,30,1)');
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ctx.fillStyle = fadeGradient;
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ctx.fillRect(0, sceneHeight - 60, this.screenWidth, 60);
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// 对话框区域背景
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ctx.fillStyle = '#0f0f1e';
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ctx.fillRect(0, sceneHeight, this.screenWidth, this.screenHeight - sceneHeight);
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}
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renderSceneDecoration(ctx) {
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const sceneHeight = this.screenHeight * 0.42;
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const centerX = this.screenWidth / 2;
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// 场景氛围光效
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const glowGradient = ctx.createRadialGradient(centerX, sceneHeight * 0.5, 0, centerX, sceneHeight * 0.5, 200);
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glowGradient.addColorStop(0, this.sceneColors.accent + '30');
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glowGradient.addColorStop(1, 'transparent');
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ctx.fillStyle = glowGradient;
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ctx.fillRect(0, 0, this.screenWidth, sceneHeight);
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// 装饰粒子
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ctx.fillStyle = this.sceneColors.accent + '40';
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const particles = [[50, 100], [120, 180], [200, 80], [280, 150], [320, 60], [80, 250], [250, 220]];
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particles.forEach(([x, y]) => {
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ctx.beginPath();
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ctx.arc(x, y, 2, 0, Math.PI * 2);
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ctx.fill();
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});
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// 场景提示文字（中央）
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ctx.fillStyle = 'rgba(255,255,255,0.15)';
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ctx.font = '14px sans-serif';
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ctx.textAlign = 'center';
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const sceneHint = this.getSceneHint();
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ctx.fillText(sceneHint, centerX, sceneHeight * 0.45);
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}
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getSceneHint() {
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if (!this.currentNode) return '故事开始...';
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const speaker = this.currentNode.speaker;
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if (speaker && speaker !== '旁白') {
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return `【${speaker}】`;
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}
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return '— 旁白 —';
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}
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renderHeader(ctx) {
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// 顶部渐变遮罩
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const headerGradient = ctx.createLinearGradient(0, 0, 0, 80);
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headerGradient.addColorStop(0, 'rgba(0,0,0,0.7)');
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headerGradient.addColorStop(1, 'rgba(0,0,0,0)');
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ctx.fillStyle = headerGradient;
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ctx.fillRect(0, 0, this.screenWidth, 80);
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// 返回按钮
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ctx.fillStyle = '#ffffff';
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ctx.font = '16px sans-serif';
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ctx.textAlign = 'left';
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ctx.fillText('‹ 返回', 15, 35);
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// 故事标题
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if (this.story) {
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ctx.textAlign = 'center';
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ctx.font = 'bold 15px sans-serif';
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ctx.fillStyle = this.sceneColors.accent;
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const title = this.story.title.length > 10 ? this.story.title.substring(0, 10) + '...' : this.story.title;
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ctx.fillText(title, this.screenWidth / 2, 35);
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}
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// 进度指示
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ctx.textAlign = 'right';
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ctx.font = '12px sans-serif';
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ctx.fillStyle = 'rgba(255,255,255,0.5)';
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const progress = this.main.storyManager.getProgress ? this.main.storyManager.getProgress() : '';
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ctx.fillText(progress, this.screenWidth - 15, 35);
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}
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renderDialogBox(ctx) {
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const boxY = this.screenHeight * 0.42;
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const boxHeight = this.screenHeight * 0.58;
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const padding = 20;
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// 对话框背景
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ctx.fillStyle = 'rgba(20, 20, 40, 0.95)';
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ctx.fillRect(0, boxY, this.screenWidth, boxHeight);
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// 顶部装饰线
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const lineGradient = ctx.createLinearGradient(0, boxY, this.screenWidth, boxY);
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lineGradient.addColorStop(0, 'transparent');
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lineGradient.addColorStop(0.5, this.sceneColors.accent);
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lineGradient.addColorStop(1, 'transparent');
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ctx.strokeStyle = lineGradient;
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ctx.lineWidth = 2;
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ctx.beginPath();
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ctx.moveTo(0, boxY);
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ctx.lineTo(this.screenWidth, boxY);
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ctx.stroke();
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// 如果显示选项，不显示对话内容
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if (this.showChoices) return;
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// 角色名
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if (this.currentNode && this.currentNode.speaker && this.currentNode.speaker !== '旁白') {
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// 角色名背景
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ctx.font = 'bold 14px sans-serif';
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const nameWidth = ctx.measureText(this.currentNode.speaker).width + 30;
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ctx.fillStyle = this.sceneColors.accent;
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this.roundRect(ctx, padding, boxY + 15, nameWidth, 28, 14);
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ctx.fill();
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ctx.fillStyle = '#ffffff';
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ctx.textAlign = 'left';
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ctx.fillText(this.currentNode.speaker, padding + 15, boxY + 34);
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}
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// 对话内容
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const textY = boxY + 65;
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const lineHeight = 26;
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const maxWidth = this.screenWidth - padding * 2;
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const visibleHeight = boxHeight - 105; // 可见区域高度
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ctx.font = '15px sans-serif';
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const allLines = this.getWrappedLines(ctx, this.displayText, maxWidth);
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const totalTextHeight = allLines.length * lineHeight;
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// 计算最大滚动距离
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this.maxScrollY = Math.max(0, totalTextHeight - visibleHeight);
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// 自动滚动到最新内容（打字时）
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if (this.isTyping) {
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this.textScrollY = this.maxScrollY;
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}
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// 设置裁剪区域（从文字顶部开始）
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ctx.save();
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ctx.beginPath();
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ctx.rect(0, textY - 18, this.screenWidth, visibleHeight + 18);
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ctx.clip();
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// 绘制文字（带滚动偏移）
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ctx.fillStyle = '#ffffff';
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ctx.textAlign = 'left';
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allLines.forEach((line, i) => {
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const y = textY + i * lineHeight - this.textScrollY;
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ctx.fillText(line, padding, y);
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});
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ctx.restore();
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// 滚动指示器（如果可以滚动）
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if (this.maxScrollY > 0) {
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const scrollBarHeight = 40;
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const scrollBarY = boxY + 55 + (this.textScrollY / this.maxScrollY) * (visibleHeight - scrollBarHeight);
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ctx.fillStyle = 'rgba(255,255,255,0.2)';
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this.roundRect(ctx, this.screenWidth - 6, scrollBarY, 3, scrollBarHeight, 1.5);
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ctx.fill();
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}
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// 打字机光标
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if (this.isTyping) {
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const cursorBlink = Math.floor(Date.now() / 500) % 2 === 0;
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if (cursorBlink) {
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ctx.fillStyle = this.sceneColors.accent;
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ctx.font = '15px sans-serif';
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ctx.fillText('▌', padding + this.getTextEndX(ctx, this.displayText, maxWidth), textY + this.getTextEndY(this.displayText, maxWidth, lineHeight));
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}
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}
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// 继续提示
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if (!this.isTyping && !this.main.storyManager.isEnding()) {
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ctx.fillStyle = 'rgba(255,255,255,0.4)';
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ctx.font = '13px sans-serif';
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ctx.textAlign = 'center';
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ctx.fillText('点击继续 ▼', this.screenWidth / 2, this.screenHeight - 25);
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}
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}
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getTextEndX(ctx, text, maxWidth) {
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const lines = this.getWrappedLines(ctx, text, maxWidth);
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if (lines.length === 0) return 0;
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return ctx.measureText(lines[lines.length - 1]).width;
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}
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getTextEndY(text, maxWidth, lineHeight) {
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const lines = text.split('\n');
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return (lines.length - 1) * lineHeight;
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}
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getWrappedLines(ctx, text, maxWidth) {
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const lines = [];
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const paragraphs = text.split('\n');
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paragraphs.forEach(para => {
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let line = '';
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for (let char of para) {
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const testLine = line + char;
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if (ctx.measureText(testLine).width > maxWidth) {
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lines.push(line);
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line = char;
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} else {
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line = testLine;
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}
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}
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lines.push(line);
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});
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return lines;
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}
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renderChoices(ctx) {
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if (!this.currentNode || !this.currentNode.choices) return;
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const choices = this.currentNode.choices;
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const choiceHeight = 50;
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const choiceMargin = 10;
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const padding = 20;
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const startY = this.screenHeight * 0.42 + 30;
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// 半透明遮罩
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ctx.fillStyle = 'rgba(0,0,0,0.5)';
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ctx.fillRect(0, this.screenHeight * 0.42, this.screenWidth, this.screenHeight * 0.58);
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// 提示文字
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ctx.fillStyle = '#ffffff';
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ctx.font = '14px sans-serif';
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ctx.textAlign = 'center';
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ctx.fillText('请做出选择', this.screenWidth / 2, startY);
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choices.forEach((choice, index) => {
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const y = startY + 25 + index * (choiceHeight + choiceMargin);
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const isSelected = index === this.selectedChoice;
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// 选项背景
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if (isSelected) {
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const gradient = ctx.createLinearGradient(padding, y, this.screenWidth - padding, y);
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gradient.addColorStop(0, this.sceneColors.accent);
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gradient.addColorStop(1, this.sceneColors.accent + 'aa');
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ctx.fillStyle = gradient;
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} else {
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ctx.fillStyle = 'rgba(255,255,255,0.1)';
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}
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this.roundRect(ctx, padding, y, this.screenWidth - padding * 2, choiceHeight, 25);
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ctx.fill();
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// 选项边框
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ctx.strokeStyle = isSelected ? this.sceneColors.accent : 'rgba(255,255,255,0.2)';
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ctx.lineWidth = 1.5;
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this.roundRect(ctx, padding, y, this.screenWidth - padding * 2, choiceHeight, 25);
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ctx.stroke();
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// 选项文本
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ctx.fillStyle = '#ffffff';
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ctx.font = '14px sans-serif';
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ctx.textAlign = 'center';
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ctx.fillText(choice.text, this.screenWidth / 2, y + 30);
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// 锁定图标
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if (choice.isLocked) {
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ctx.fillStyle = '#ffd700';
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ctx.font = '12px sans-serif';
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ctx.textAlign = 'right';
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ctx.fillText('🔒 看广告解锁', this.screenWidth - padding - 15, y + 30);
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}
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});
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}
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// 文字换行
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wrapText(ctx, text, x, y, maxWidth, lineHeight) {
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if (!text) return;
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const lines = this.getWrappedLines(ctx, text, maxWidth);
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lines.forEach((line, i) => {
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ctx.fillText(line, x, y + i * lineHeight);
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});
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}
|
||
|
||
// 文字换行（限制行数）
|
||
wrapTextWithLimit(ctx, text, x, y, maxWidth, lineHeight, maxLines) {
|
||
if (!text) return;
|
||
let lines = this.getWrappedLines(ctx, text, maxWidth);
|
||
|
||
// 如果超出最大行数，只显示最后几行（滚动效果）
|
||
if (lines.length > maxLines) {
|
||
lines = lines.slice(lines.length - maxLines);
|
||
}
|
||
|
||
lines.forEach((line, i) => {
|
||
ctx.fillText(line, x, y + i * lineHeight);
|
||
});
|
||
}
|
||
|
||
// 把行数组分成多页
|
||
splitIntoPages(lines, linesPerPage) {
|
||
const pages = [];
|
||
for (let i = 0; i < lines.length; i += linesPerPage) {
|
||
pages.push(lines.slice(i, i + linesPerPage));
|
||
}
|
||
return pages.length > 0 ? pages : [[]];
|
||
}
|
||
|
||
onTouchStart(e) {
|
||
const touch = e.touches[0];
|
||
this.touchStartY = touch.clientY;
|
||
this.touchStartX = touch.clientX;
|
||
this.lastTouchY = touch.clientY;
|
||
this.hasMoved = false;
|
||
|
||
// 判断是否在对话框区域
|
||
const boxY = this.screenHeight * 0.42;
|
||
if (touch.clientY > boxY) {
|
||
this.isDragging = true;
|
||
}
|
||
}
|
||
|
||
onTouchMove(e) {
|
||
const touch = e.touches[0];
|
||
|
||
// 滑动对话框内容
|
||
if (this.isDragging && this.maxScrollY > 0) {
|
||
const deltaY = this.lastTouchY - touch.clientY;
|
||
if (Math.abs(deltaY) > 2) {
|
||
this.hasMoved = true;
|
||
}
|
||
this.textScrollY += deltaY;
|
||
this.textScrollY = Math.max(0, Math.min(this.textScrollY, this.maxScrollY));
|
||
this.lastTouchY = touch.clientY;
|
||
}
|
||
}
|
||
|
||
onTouchEnd(e) {
|
||
this.isDragging = false;
|
||
|
||
const touch = e.changedTouches[0];
|
||
const x = touch.clientX;
|
||
const y = touch.clientY;
|
||
|
||
// 如果滑动过，不处理点击
|
||
if (this.hasMoved) {
|
||
return;
|
||
}
|
||
|
||
// 返回按钮
|
||
if (y < 60 && x < 80) {
|
||
this.main.sceneManager.switchScene('home');
|
||
return;
|
||
}
|
||
|
||
// 加速打字
|
||
if (this.isTyping) {
|
||
this.displayText = this.targetText;
|
||
this.charIndex = this.targetText.length;
|
||
this.isTyping = false;
|
||
this.waitingForClick = true;
|
||
return;
|
||
}
|
||
|
||
// 等待点击后显示选项或结局
|
||
if (this.waitingForClick) {
|
||
this.waitingForClick = false;
|
||
|
||
// AI改写内容 - 直接跳转到新结局
|
||
if (this.aiContent && this.aiContent.is_ending) {
|
||
console.log('AI改写内容:', JSON.stringify(this.aiContent));
|
||
this.main.sceneManager.switchScene('ending', {
|
||
storyId: this.storyId,
|
||
ending: {
|
||
name: this.aiContent.ending_name,
|
||
type: this.aiContent.ending_type,
|
||
content: this.aiContent.content,
|
||
score: 100
|
||
}
|
||
});
|
||
return;
|
||
}
|
||
|
||
// 检查是否是结局
|
||
if (this.main.storyManager.isEnding()) {
|
||
this.main.sceneManager.switchScene('ending', {
|
||
storyId: this.storyId,
|
||
ending: this.main.storyManager.getEndingInfo()
|
||
});
|
||
return;
|
||
}
|
||
|
||
// 显示选项
|
||
if (this.currentNode && this.currentNode.choices && this.currentNode.choices.length > 0) {
|
||
this.showChoices = true;
|
||
}
|
||
return;
|
||
}
|
||
|
||
// 选项点击
|
||
if (this.showChoices && this.currentNode && this.currentNode.choices) {
|
||
const choices = this.currentNode.choices;
|
||
const choiceHeight = 50;
|
||
const choiceMargin = 10;
|
||
const padding = 20;
|
||
const startY = this.screenHeight * 0.42 + 55;
|
||
|
||
for (let i = 0; i < choices.length; i++) {
|
||
const choiceY = startY + i * (choiceHeight + choiceMargin);
|
||
if (y >= choiceY && y <= choiceY + choiceHeight && x >= padding && x <= this.screenWidth - padding) {
|
||
this.handleChoiceSelect(i);
|
||
return;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
handleChoiceSelect(index) {
|
||
const choice = this.currentNode.choices[index];
|
||
|
||
if (choice.isLocked) {
|
||
wx.showModal({
|
||
title: '解锁剧情',
|
||
content: '观看广告解锁隐藏剧情？',
|
||
success: (res) => {
|
||
if (res.confirm) {
|
||
this.unlockAndSelect(index);
|
||
}
|
||
}
|
||
});
|
||
return;
|
||
}
|
||
|
||
this.selectChoice(index);
|
||
}
|
||
|
||
unlockAndSelect(index) {
|
||
this.selectChoice(index);
|
||
}
|
||
|
||
selectChoice(index) {
|
||
this.isFading = true;
|
||
this.fadeAlpha = 0;
|
||
this.showChoices = false;
|
||
|
||
setTimeout(() => {
|
||
this.currentNode = this.main.storyManager.selectChoice(index);
|
||
if (this.currentNode) {
|
||
this.startTypewriter(this.currentNode.content);
|
||
}
|
||
}, 300);
|
||
}
|
||
|
||
// 圆角矩形
|
||
roundRect(ctx, x, y, width, height, radius) {
|
||
ctx.beginPath();
|
||
ctx.moveTo(x + radius, y);
|
||
ctx.lineTo(x + width - radius, y);
|
||
ctx.quadraticCurveTo(x + width, y, x + width, y + radius);
|
||
ctx.lineTo(x + width, y + height - radius);
|
||
ctx.quadraticCurveTo(x + width, y + height, x + width - radius, y + height);
|
||
ctx.lineTo(x + radius, y + height);
|
||
ctx.quadraticCurveTo(x, y + height, x, y + height - radius);
|
||
ctx.lineTo(x, y + radius);
|
||
ctx.quadraticCurveTo(x, y, x + radius, y);
|
||
ctx.closePath();
|
||
}
|
||
|
||
destroy() {
|
||
if (this.main.userManager.isLoggedIn && this.story) {
|
||
this.main.userManager.saveProgress(
|
||
this.storyId,
|
||
this.main.storyManager.currentNodeKey,
|
||
this.main.storyManager.isEnding(),
|
||
this.main.storyManager.isEnding() ? this.main.storyManager.getEndingInfo().name : ''
|
||
);
|
||
}
|
||
}
|
||
}
|