';
}).join("");
}
function openVideo(id, title, desc, url, author, cat) {
currentVideoUrl = url;
currentVideoTitle = title;
document.getElementById("videoModalTitle").textContent = title;
document.getElementById("videoModalDesc").textContent = desc;
document.getElementById("videoModalAuthor").innerHTML = author;
document.getElementById("videoModalCat").innerHTML = cat || "通用";
document.getElementById("videoLinkBtn").style.display = url ? "block" : "none";
document.getElementById("videoPlaceholderText").textContent = url ? "点击下方按钮查看完整课程视频" : "视频链接待补充";
var favBtn = document.getElementById("videoModalFav");
var vid = parseInt(id);
favBtn.textContent = (userFavorites.video[vid]) ? "★ 已收藏" : "☆ 收藏";
favBtn.dataset.vid = vid;
document.getElementById("videoModal").classList.add("show");
setAIContext("video", title);
recordHistory("video", vid, title, cat || "◎");
}
function closeVideo() { document.getElementById("videoModal").classList.remove("show"); }
function openVideoLink() { if (currentVideoUrl) window.open(currentVideoUrl, "_blank"); }
function toggleVideoFav() {
var btn = document.getElementById("videoModalFav");
var vid = parseInt(btn.dataset.vid);
var title = currentVideoTitle;
toggleFavorite("video", vid, title, "◎");
btn.textContent = (userFavorites.video[vid]) ? "★ 已收藏" : "☆ 收藏";
}
async function loadStoryData() {
try {
var resp = await fetch("/api/story");
var result = await resp.json();
if (result.code === 0) storyData = result.data;
} catch (e) { console.error("故事数据加载失败:", e); }
}
function loadVNSave() {
try { var s = localStorage.getItem("mathAppVNSave"); if (s) vnState = JSON.parse(s); } catch (e) {}
}
function saveVNState() {
localStorage.setItem("mathAppVNSave", JSON.stringify(vnState));
alert("进度已存档！");
}
function resetVNSave() {
var startNode = (storyData && storyData.start_node) || "ch1_start";
vnState = { currentNode: startNode, stats: { shuli: 10, xiayi: 10, xinzhi: 10 }, favorability: { "欧阳侠": 0, "Eddie侠": 0, "厚朴侠": 0, "三力思侠": 0, "溜溜侠": 0, "孔锝侠": 0, "星侠": 0, "甲亢侠": 0 } };
localStorage.removeItem("mathAppVNSave");
navigateVN(startNode);
}
function applyVNStats(effects) {
if (!effects) return;
if (effects.shuli) vnState.stats.shuli = (vnState.stats.shuli || 10) + effects.shuli;
if (effects.xiayi) vnState.stats.xiayi = (vnState.stats.xiayi || 10) + effects.xiayi;
if (effects.xinzhi) vnState.stats.xinzhi = (vnState.stats.xinzhi || 10) + effects.xinzhi;
if (effects.intelligence !== undefined) vnState.stats.shuli = (vnState.stats.shuli || 10) + effects.intelligence;
if (effects.charm !== undefined) vnState.stats.xiayi = (vnState.stats.xiayi || 10) + effects.charm;
if (effects.stress !== undefined) vnState.stats.xinzhi = (vnState.stats.xinzhi || 10) - effects.stress;
if (effects.favorability) {
if (!vnState.favorability) vnState.favorability = {};
for (var char in effects.favorability) {
vnState.favorability[char] = (vnState.favorability[char] || 0) + effects.favorability[char];
}
}
}
function startStoryEngine() {
setAIContext("story", "葫芦侠行");
var startNode = (storyData && storyData.start_node) || "ch1_start";
var savedNode = vnState.currentNode;
if (savedNode && storyData && storyData.nodes && storyData.nodes[savedNode]) {
navigateVN(savedNode);
} else {
vnState.currentNode = startNode;
navigateVN(startNode);
}
}
function navigateVN(nodeId) {
if (!storyData || !storyData.nodes || !storyData.nodes[nodeId]) {
document.getElementById("storyContainer").innerHTML = '
剧情加载失败
节点未找到
';
return;
}
var node = storyData.nodes[nodeId];
vnState.currentNode = nodeId;
var container = document.getElementById("storyContainer");
if (!container) return;
container.style.display = "block";
container.scrollIntoView({ behavior: "smooth" });
var ch = detectChapter(nodeId);
var chNames = ["","初入江湖","西部教习","数理论道","脑学初创","报国之路","暗流涌动","陋室修炼","真相之门"];
var chName = chNames[ch] || "";
var html = '';
html += '
';
html += '
第' + ch + '章 · ' + chName + '
';
html += '
';
html += '📐 数理根基: ' + (vnState.stats.shuli || 10) + '';
html += '⚔️ 侠义声望: ' + (vnState.stats.xiayi || 10) + '';
html += '🧘 心志韧性: ' + (vnState.stats.xinzhi || 10) + '';
html += '
';
html += '
';
html += '';
html += '';
html += '';
html += '
';
var bgKey = CHAPTER_BG[ch] || "紫金山";
var bgUrl = BG_MAP[bgKey] || "";
if (node.background) bgUrl = BG_MAP[node.background] || node.background || bgUrl;
var spriteUrl = "";
var characterName = node.character || "";
if (node.sprite) {
spriteUrl = node.sprite;
} else if (characterName) {
var names = characterName.split("&");
for (var ni = 0; ni < names.length; ni++) {
var n = names[ni].trim();
if (SPRITE_MAP[n]) { spriteUrl = SPRITE_MAP[n]; break; }
}
}
html += '
';
if (bgUrl) html += '';
if (spriteUrl) html += '';
html += '
';
if (characterName) html += '
' + esc(characterName) + '
';
html += '';
html += '
';
html += '';
container.innerHTML = html;
var sceneText = document.getElementById("sceneText");
var text = node.scene || "";
var i = 0;
function typeNext() {
if (i < text.length) {
sceneText.textContent += text.charAt(i);
i++;
setTimeout(typeNext, 25);
} else {
buildChoiceButtons(node.choices || []);
}
}
sceneText.textContent = "";
typeNext();
}
function buildChoiceButtons(choices) {
var area = document.getElementById("choicesArea");
if (!area) return;
area.innerHTML = "";
choices.forEach(function (c, idx) {
var btn = document.createElement("button");
btn.className = "choice-btn";
btn.style.animationDelay = (idx * 0.1) + "s";
var effectsHTML = "";
if (c.effects) {
var parts = [];
if (c.effects.shuli) parts.push("数理根基" + (c.effects.shuli > 0 ? "+" : "") + c.effects.shuli);
if (c.effects.xiayi) parts.push("侠义声望" + (c.effects.xiayi > 0 ? "+" : "") + c.effects.xiayi);
if (c.effects.xinzhi) parts.push("心志韧性" + (c.effects.xinzhi > 0 ? "+" : "") + c.effects.xinzhi);
if (c.effects.intelligence) parts.push("数理根基" + (c.effects.intelligence > 0 ? "+" : "") + c.effects.intelligence);
if (c.effects.charm) parts.push("侠义声望" + (c.effects.charm > 0 ? "+" : "") + c.effects.charm);
if (c.effects.stress) parts.push("心志韧性" + (c.effects.stress > 0 ? "+" : "") + c.effects.stress);
if (c.effects.favorability) {
for (var char in c.effects.favorability) {
var val = c.effects.favorability[char];
parts.push(char + "好感" + (val > 0 ? "+" : "") + val);
}
}
if (parts.length > 0) effectsHTML = '[' + parts.join(" | ") + ']';
}
btn.innerHTML = '' + esc(c.text) + '' + effectsHTML;
btn.onclick = (function (nextNode, effects) {
return function () {
applyVNStats(effects);
navigateVN(nextNode);
};
})(c.next, c.effects);
area.appendChild(btn);
});
}
function openChat() { document.getElementById("chatOverlay").classList.add("show"); document.getElementById("chatMessages").scrollTop = document.getElementById("chatMessages").scrollHeight; }
function closeChat() { document.getElementById("chatOverlay").classList.remove("show"); }
function quickAsk(q) { document.getElementById("chatInput").value = q; sendMessage(); }
async function sendMessage() {
var input = document.getElementById("chatInput");
var message = input.value.trim();
if (!message) return;
appendChat("user", message);
input.value = "";
var typingId = appendTyping();
try {
var resp = await fetch("/api/chat", {
method: "POST", headers: { "Content-Type": "application/json" },
body: JSON.stringify({ message: message, context: currentContext })
});
var result = await resp.json();
removeTyping(typingId);
appendChat("assistant", result.code === 0 ? result.reply : "抱歉，AI 助教暂时无法回复。");
} catch (e) {
removeTyping(typingId);
appendChat("assistant", "网络异常，请稍后重试。");
}
}
function setAIContext(type, title) {
currentContext = { type: type, title: title || "" };
var hint = document.getElementById("chatContextHint");
if (!hint) {
hint = document.createElement("div");
hint.id = "chatContextHint";
hint.style.cssText = "padding:6px 12px;font-size:11px;color:var(--accent);background:var(--accent-light);text-align:center;";
var chatPanel = document.querySelector(".chat-panel");
var header = document.querySelector(".chat-header");
if (header && chatPanel) chatPanel.insertBefore(hint, header.nextSibling);
}
hint.textContent = currentContext.title ? "📍 当前：" + currentContext.title : "";
hint.style.display = currentContext.title ? "block" : "none";
}
function appendChat(role, text) {
var container = document.getElementById("chatMessages");
var div = document.createElement("div");
div.className = "chat-msg " + role;
div.innerHTML = '
' + esc(text) + "
";
container.appendChild(div);
container.scrollTop = container.scrollHeight;
}
function appendTyping() {
var container = document.getElementById("chatMessages");
var div = document.createElement("div");
div.className = "chat-msg assistant typing-msg";
div.innerHTML = '
';
container.appendChild(div);
container.scrollTop = container.scrollHeight;
return div;
}
function removeTyping(el) { if (el && el.parentNode) el.remove(); }
function switchLifeTab(tab) {
currentLifeTab = tab;
document.querySelectorAll(".life-sub-btn").forEach(function (b) { b.classList.toggle("active", b.dataset.life === tab); });
if (tab === "simulator") {
hide("storyContainer");
show("simulatorContainer");
setAIContext("simulator", "数学专业模拟器");
startSimulator();
} else {
hide("simulatorContainer");
show("storyContainer");
setAIContext("story", "葫芦侠行");
startStoryEngine();
}
}
async function loadSimulatorData() {
try {
var resp = await fetch("/api/simulator");
var result = await resp.json();
if (result.code === 0) simulatorData = result.data;
} catch (e) { console.error("模拟器数据加载失败:", e); }
}
async function loadSimSave() {
try {
var resp = await fetch("/api/simulator/save?user_id=" + userId);
var result = await resp.json();
if (result.code === 0 && result.data) {
simState = result.data;
}
} catch (e) {}
}
function saveSimState() {
simState.history.push(simState.currentNode);
fetch("/api/simulator/save", {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({ user_id: userId, state: simState })
}).catch(function () {});
}
function resetSimulator() {
simState = { currentNode: (simulatorData && simulatorData.start_node) || "y1_welcome", stats: { gpa: 10, interest: 10, skill: 10 }, history: [] };
saveSimState();
navigateSimulator(simState.currentNode);
}
async function startSimulator() {
if (!simulatorData) await loadSimulatorData();
await loadSimSave();
if (!simState.currentNode || !simulatorData || !simulatorData.nodes || !simulatorData.nodes[simState.currentNode]) {
resetSimulator();
} else {
navigateSimulator(simState.currentNode);
}
}
function navigateSimulator(nodeId) {
if (!simulatorData || !simulatorData.nodes || !simulatorData.nodes[nodeId]) {
document.getElementById("simulatorContainer").innerHTML = '
剧情加载失败
';
return;
}
var node = simulatorData.nodes[nodeId];
simState.currentNode = nodeId;
saveSimState();
var container = document.getElementById("simulatorContainer");
if (!container) return;
container.style.display = "block";
if (node.end) {
showEnding(node);
return;
}
container.scrollIntoView({ behavior: "smooth" });
var ch = (node.year || 1);
var stage = node.stage || "";
var html = '';
html += '