440 lines
13 KiB
JavaScript
440 lines
13 KiB
JavaScript
// ============================================================
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// SpineMgr —— Spine 动画管理器（独立文件）
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// 集成到 gameabc Canvas 2D 绘制循环，零侵入 gamemain.js
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// 在 index.html 中置于 gameabc.min.js 之后、gamemain.js 之前加载
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// ============================================================
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(function(){
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var SpineMgr = {
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// --- 内部状态 ---
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_entries: {}, // {id: EntryObject}
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_assetManager: null,
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_renderer: null, // spine.SkeletonRenderer (Canvas 2D)
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_lastTime: 0, // 上一帧时间戳(ms)
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_inited: false,
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_loadedPaths: {}, // 已请求加载的资源路径，避免重复请求
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_pendingCmds: {}, // {id: [{method, args}]} 等待实例就绪后执行的命令队列
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// 默认资源根路径（可通过 init 覆盖）
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_basePath: "assets/spine/",
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// ----------------------------------------------------------
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// init(basePath) 手动初始化（可选）
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// 如不调用，load 时会自动以默认路径 "assets/spine/" 初始化
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// ----------------------------------------------------------
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init: function(basePath) {
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if (!window.spine) {
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logmessage("[SpineMgr] spine-canvas.js 未加载，请检查引用");
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return;
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}
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this._basePath = basePath || this._basePath;
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this._assetManager = new spine.AssetManager(this._basePath);
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this._lastTime = Date.now();
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this._inited = true;
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},
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// (内部) 确保已初始化
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_ensureInit: function() {
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if (!this._inited) {
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this.init(this._basePath);
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}
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},
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// (内部) 自动加载：根据 id 约定文件名 id.json / id.atlas
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_autoLoad: function(id) {
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if (this._entries[id]) return;
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this.load(id, id + ".json", id + ".atlas", {});
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},
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// (内部) 将命令加入等待队列
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_queueCmd: function(id, method, args) {
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if (!this._pendingCmds[id]) this._pendingCmds[id] = [];
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this._pendingCmds[id].push({method: method, args: args});
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},
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// (内部) 实例就绪后执行队列中的命令
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_flushCmds: function(id) {
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var cmds = this._pendingCmds[id];
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if (!cmds || cmds.length === 0) return;
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delete this._pendingCmds[id];
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for (var i = 0; i < cmds.length; i++) {
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var cmd = cmds[i];
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this[cmd.method].apply(this, [id].concat(cmd.args));
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}
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},
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// ----------------------------------------------------------
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// load(id, jsonFile, atlasFile, option)
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// 加载一组 Spine 资源, id 为自定义标识
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// option: {x, y, scale, skin, animation, loop, mixDuration}
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// ----------------------------------------------------------
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load: function(id, jsonFile, atlasFile, option) {
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this._ensureInit();
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if (!this._inited) return;
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var opt = option || {};
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// 只加载尚未请求过的资源（预加载过的会跳过）
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if (!this._loadedPaths[jsonFile]) {
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this._assetManager.loadText(jsonFile);
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this._loadedPaths[jsonFile] = true;
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}
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if (!this._loadedPaths[atlasFile]) {
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this._assetManager.loadTextureAtlas(atlasFile);
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this._loadedPaths[atlasFile] = true;
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}
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this._entries[id] = {
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jsonFile: jsonFile,
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atlasFile: atlasFile,
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skeleton: null,
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state: null,
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x: opt.x || 0,
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y: opt.y || 0,
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scale: opt.scale || 1,
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skin: opt.skin || "default",
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defAnim: opt.animation || null,
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defLoop: opt.loop !== undefined ? opt.loop : true,
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mixDur: opt.mixDuration || 0.2,
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visible: true,
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ready: false,
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_hideOnComplete: false, // 播放完成后是否自动隐藏
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_hideAfterCompletes: 0 // 剩余多少次 complete 后触发隐藏
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};
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},
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// ----------------------------------------------------------
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// (内部) 资源加载完成后实例化骨骼
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// ----------------------------------------------------------
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_buildEntry: function(entry) {
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var atlas = this._assetManager.require(entry.atlasFile);
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var loader = new spine.AtlasAttachmentLoader(atlas);
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var skelJson = new spine.SkeletonJson(loader);
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skelJson.scale = entry.scale;
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var skelData = skelJson.readSkeletonData(
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this._assetManager.require(entry.jsonFile)
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);
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entry.skeleton = new spine.Skeleton(skelData);
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// 设置皮肤
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if (entry.skin && entry.skin !== "default") {
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entry.skeleton.setSkinByName(entry.skin);
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}
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entry.skeleton.setToSetupPose();
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// AnimationState
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var stateData = new spine.AnimationStateData(skelData);
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stateData.defaultMix = entry.mixDur;
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entry.state = new spine.AnimationState(stateData);
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// 绑定事件回调 —— 转发到 Spine_Event.js
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entry.state.addListener({
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complete: function(trackEntry) {
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// 自动隐藏：playOnce / playQueue 设置的计数器
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if (entry._hideOnComplete && !trackEntry.loop) {
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entry._hideAfterCompletes--;
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if (entry._hideAfterCompletes <= 0) {
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entry.visible = false;
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entry._hideOnComplete = false;
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}
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}
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if (gameabc_face.spine_onComplete) {
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gameabc_face.spine_onComplete(entry._id, trackEntry.animation.name, trackEntry.trackIndex);
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}
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},
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event: function(trackEntry, event) {
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if (gameabc_face.spine_onEvent) {
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gameabc_face.spine_onEvent(entry._id, event.data.name, event.intValue, event.floatValue, event.stringValue);
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}
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}
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});
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// 默认动画
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if (entry.defAnim) {
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entry.state.setAnimation(0, entry.defAnim, entry.defLoop);
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}
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entry.ready = true;
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},
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// ----------------------------------------------------------
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// (内部) 每帧调用：确保所有资源就绪
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// ----------------------------------------------------------
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_tryBuild: function() {
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if (!this._assetManager.isLoadingComplete()) return false;
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for (var id in this._entries) {
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var e = this._entries[id];
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if (!e.ready) {
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e._id = id;
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try {
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this._buildEntry(e);
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logmessage("[SpineMgr] " + id + " 构建完成");
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this._flushCmds(id);
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} catch(err) {
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logmessage("[SpineMgr] " + id + " 构建失败: " + err.message);
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e.ready = false;
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}
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}
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}
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return true;
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},
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// ----------------------------------------------------------
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// updateAndDraw(ctx) 每帧自动调用
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// ctx: gameabc_face.dc (Canvas 2D Context)
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// ----------------------------------------------------------
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updateAndDraw: function(ctx) {
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if (!this._inited) return;
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this._tryBuild();
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var now = Date.now();
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var dt = (now - this._lastTime) / 1000;
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this._lastTime = now;
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if (dt <= 0 || dt > 0.5) dt = 1/30;
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if (!this._renderer) {
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this._renderer = new spine.SkeletonRenderer(ctx);
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this._renderer.triangleRendering = true; // ★ 启用三角形渲染以支持 Mesh 网格附件
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}
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// 确保 renderer 用的是当前 ctx (gameabc可能重建)
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this._renderer.ctx = ctx;
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for (var id in this._entries) {
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var e = this._entries[id];
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if (!e.ready || !e.visible) continue;
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e.state.update(dt);
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e.state.apply(e.skeleton);
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// 骨骼位置归零，由 ctx.translate 控制实际位置
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e.skeleton.x = 0;
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e.skeleton.y = 0;
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e.skeleton.updateWorldTransform(spine.Physics.update);
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ctx.save();
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ctx.translate(e.x, e.y);
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ctx.scale(1, -1); // ★ Spine Y-up → Canvas Y-down
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this._renderer.draw(e.skeleton);
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ctx.restore();
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}
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},
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// ==========================================================
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// 公开控制 API
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// ==========================================================
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setAnimation: function(id, animName, loop, track) {
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var e = this._entries[id];
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if (!e) {
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this._autoLoad(id);
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this._queueCmd(id, "setAnimation", [animName, loop, track]);
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return null;
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}
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if (!e.ready) {
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this._queueCmd(id, "setAnimation", [animName, loop, track]);
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return null;
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}
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return e.state.setAnimation(track || 0, animName, loop !== false);
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},
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addAnimation: function(id, animName, loop, delay, track) {
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var e = this._entries[id];
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if (!e) {
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this._autoLoad(id);
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this._queueCmd(id, "addAnimation", [animName, loop, delay, track]);
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return null;
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}
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if (!e.ready) {
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this._queueCmd(id, "addAnimation", [animName, loop, delay, track]);
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return null;
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}
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return e.state.addAnimation(track || 0, animName, loop !== false, delay || 0);
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},
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setPosition: function(id, x, y) {
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var e = this._entries[id];
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if (!e) {
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this._autoLoad(id);
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e = this._entries[id];
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}
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e.x = x; e.y = y;
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},
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setScale: function(id, sx, sy) {
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var e = this._entries[id];
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if (!e) {
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this._autoLoad(id);
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this._queueCmd(id, "setScale", [sx, sy]);
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return;
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}
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if (!e.skeleton) {
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this._queueCmd(id, "setScale", [sx, sy]);
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return;
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}
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e.skeleton.scaleX = sx;
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e.skeleton.scaleY = sy !== undefined ? sy : sx;
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},
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setFlip: function(id, flipX, flipY) {
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var e = this._entries[id];
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if (!e) {
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this._autoLoad(id);
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this._queueCmd(id, "setFlip", [flipX, flipY]);
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return;
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}
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if (!e.skeleton) {
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this._queueCmd(id, "setFlip", [flipX, flipY]);
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return;
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}
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e.skeleton.scaleX = Math.abs(e.skeleton.scaleX) * (flipX ? -1 : 1);
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e.skeleton.scaleY = Math.abs(e.skeleton.scaleY) * (flipY ? -1 : 1);
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},
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setVisible: function(id, visible) {
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var e = this._entries[id];
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if (!e) {
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this._autoLoad(id);
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e = this._entries[id];
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}
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e.visible = !!visible;
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},
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setSkin: function(id, skinName) {
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var e = this._entries[id];
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if (!e) {
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this._autoLoad(id);
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this._queueCmd(id, "setSkin", [skinName]);
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return;
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}
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if (!e.ready) {
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this._queueCmd(id, "setSkin", [skinName]);
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return;
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}
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e.skeleton.setSkinByName(skinName);
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e.skeleton.setSlotsToSetupPose();
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},
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getAnimations: function(id) {
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var e = this._entries[id];
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if (!e) { this._autoLoad(id); return []; }
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if (!e.ready) return [];
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var anims = e.skeleton.data.animations;
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var names = [];
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for (var i = 0; i < anims.length; i++) names.push(anims[i].name);
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return names;
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},
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getSkins: function(id) {
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var e = this._entries[id];
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if (!e) { this._autoLoad(id); return []; }
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if (!e.ready) return [];
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var skins = e.skeleton.data.skins;
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var names = [];
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for (var i = 0; i < skins.length; i++) names.push(skins[i].name);
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return names;
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},
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playOnce: function(id, animName, track) {
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this.setVisible(id, true);
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this.setAnimation(id, animName, false, track);
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var e = this._entries[id];
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if (e) {
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e._hideOnComplete = true;
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e._hideAfterCompletes = 1;
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}
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},
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playQueue: function(id, animList, hideOnComplete) {
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if (!animList || animList.length === 0) return;
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this.setVisible(id, true);
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this.setAnimation(id, animList[0], false, 0);
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for (var i = 1; i < animList.length; i++) {
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this.addAnimation(id, animList[i], false, 0, 0);
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}
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var e = this._entries[id];
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if (e) {
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e._hideOnComplete = hideOnComplete !== false;
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e._hideAfterCompletes = animList.length;
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}
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},
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stop: function(id) {
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var e = this._entries[id];
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if (!e) return;
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e.visible = false;
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e._hideOnComplete = false;
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e._hideAfterCompletes = 0;
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delete this._pendingCmds[id];
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if (e.state) {
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e.state.clearTracks();
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}
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if (e.skeleton) {
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e.skeleton.setToSetupPose();
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}
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},
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stopAll: function() {
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for (var id in this._entries) {
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this.stop(id);
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}
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},
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remove: function(id) {
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delete this._entries[id];
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delete this._pendingCmds[id];
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},
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removeAll: function() {
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this._entries = {};
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this._pendingCmds = {};
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}
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};
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// 挂载到 gameabc_face 上
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gameabc_face.spineMgr = SpineMgr;
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// ★ 自动预加载：读取 gameabc_face.spineAssets 清单，在引擎启动前预加载所有 Spine 资源
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// 如果存在 spineTextData（嵌入文本数据），则通过 setRawDataURI 注入，
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// 彻底避免 file:// 协议下 XHR CORS 拦截问题
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if (gameabc_face.spineAssets && gameabc_face.spineAssets.length > 0) {
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SpineMgr._ensureInit();
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var list = gameabc_face.spineAssets;
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var textData = gameabc_face.spineTextData || {};
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for (var i = 0; i < list.length; i++) {
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var name = list[i];
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var jsonKey = name + ".json";
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var atlasKey = name + ".atlas";
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// 将嵌入文本数据注册为 rawDataURI，Spine Downloader 会优先从内存读取
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if (textData[jsonKey]) {
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SpineMgr._assetManager.setRawDataURI(jsonKey, "data:," + textData[jsonKey]);
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}
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if (textData[atlasKey]) {
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SpineMgr._assetManager.setRawDataURI(atlasKey, "data:," + textData[atlasKey]);
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}
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SpineMgr._assetManager.loadText(jsonKey);
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SpineMgr._loadedPaths[jsonKey] = true;
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SpineMgr._assetManager.loadTextureAtlas(atlasKey);
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SpineMgr._loadedPaths[atlasKey] = true;
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}
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logmessage("[SpineMgr] 预加载 " + list.length + " 组 Spine 资源" +
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(Object.keys(textData).length > 0 ? "（使用嵌入数据）" : "（使用网络请求）"));
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}
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// ★ 用 defineProperty 拦截 gameenddraw 赋值
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// 无论 gamemain.js 或其他代码如何定义 gameenddraw，
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// Spine 渲染都会自动追加在用户逻辑之后
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var _userEndDraw = gameabc_face.gameenddraw || null;
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var _wrappedEndDraw = function(gameid, spid, times, timelong) {
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if (typeof _userEndDraw === "function") {
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_userEndDraw(gameid, spid, times, timelong);
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}
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var ctx = gameabc_face.dc;
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if (ctx && SpineMgr._inited) {
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SpineMgr.updateAndDraw(ctx);
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}
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};
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Object.defineProperty(gameabc_face, "gameenddraw", {
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configurable: true,
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get: function() { return _wrappedEndDraw; },
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set: function(fn) { _userEndDraw = fn; }
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});
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})();
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