411 lines
15 KiB
JavaScript
411 lines
15 KiB
JavaScript
// Spine 4.2 逻辑适配器 (基于 V30 + 全局配置 + Timeline + DebugDraw)
|
|
window.startSpine42 = async function(canvas, files) {
|
|
console.log("启动 Spine 4.2 引擎...");
|
|
|
|
// =============================================================
|
|
// 动态增强 UI
|
|
// =============================================================
|
|
const uiPanel = document.getElementById('ui');
|
|
|
|
// 适配新版 UI：绑定现有的 PMA checkbox
|
|
const chkPma = document.getElementById('chk-pma');
|
|
if (chkPma) {
|
|
chkPma.onchange = (e) => {
|
|
// 4.2 可能需要特定的处理，或者只是重绘
|
|
// 这里假设 render loop 会读取 global pma setting
|
|
window.viewerConfig.pmaEnabled = e.target.checked;
|
|
};
|
|
}
|
|
|
|
// 物理重置按钮保留，但样式微调
|
|
if (!document.getElementById('btn-reset-phy')) {
|
|
const btn = document.createElement('button');
|
|
btn.id = 'btn-reset-phy';
|
|
btn.innerText = "💥 重置物理";
|
|
btn.className = 'btn-export'; // 复用导出按钮的样式
|
|
btn.style.marginTop = '15px';
|
|
btn.style.background = '#880000'; // 特殊颜色
|
|
btn.onclick = () => resetPhysics();
|
|
uiPanel.appendChild(btn);
|
|
}
|
|
|
|
// =============================================================
|
|
// 核心变量
|
|
// =============================================================
|
|
const ui = {
|
|
log: (msg, type) => {
|
|
console.log(msg);
|
|
const box = document.getElementById('log');
|
|
if(box) box.innerText = msg;
|
|
},
|
|
updateSliders: () => {
|
|
const sx = document.getElementById('posX');
|
|
const sy = document.getElementById('posY');
|
|
if(sx) sx.value = cam.x;
|
|
if(sy) sy.value = cam.y;
|
|
}
|
|
};
|
|
|
|
const Mat4 = {
|
|
create: () => new Float32Array([1,0,0,0, 0,1,0,0, 0,0,1,0, 0,0,0,1]),
|
|
ortho: (out, l, r, b, t, n, f) => {
|
|
const lr = 1/(l-r), bt = 1/(b-t), nf = 1/(n-f);
|
|
out[0]=-2*lr; out[5]=-2*bt; out[10]=2*nf; out[12]=(l+r)*lr; out[13]=(t+b)*bt; out[14]=(f+n)*nf; out[15]=1;
|
|
}
|
|
};
|
|
|
|
let gl, shader, batcher, renderer;
|
|
let skeleton, state, mvp = Mat4.create();
|
|
let lastTime = Date.now();
|
|
let cam = {x:0, y:0, zoom:1.0};
|
|
window.cam42 = cam; // 暴露给导出脚本使用
|
|
let globalTexture = null;
|
|
const Physics = { None: 0, Update: 1, Reset: 2 };
|
|
|
|
// =============================================================
|
|
// 初始化 WebGL
|
|
// =============================================================
|
|
try {
|
|
// 关键修复：添加 premultipliedAlpha: false，解决半透明黑边问题
|
|
gl = canvas.getContext('webgl', { alpha: true, preserveDrawingBuffer: true, premultipliedAlpha: false });
|
|
if(!gl) throw "WebGL 不可用";
|
|
|
|
// 确保 WebGL 不自动预乘 (因为 PMA 图片本身已经是预乘过的)
|
|
gl.pixelStorei(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, false);
|
|
|
|
shader = spine.Shader.newTwoColoredTextured(gl);
|
|
batcher = new spine.PolygonBatcher(gl, true);
|
|
renderer = new spine.SkeletonRenderer(gl);
|
|
renderer.twoColor = true;
|
|
renderer.premultipliedAlpha = true;
|
|
|
|
bindInput();
|
|
|
|
// 开始处理文件
|
|
handleFiles(files);
|
|
|
|
// 启动循环
|
|
requestAnimationFrame(loop);
|
|
|
|
} catch(e) { ui.log("初始化失败: " + e, 'err'); }
|
|
|
|
// =============================================================
|
|
// 输入绑定
|
|
// =============================================================
|
|
function bindInput() {
|
|
// 鼠标/滚轮控制
|
|
canvas.onwheel = e => {
|
|
cam.zoom *= (e.deltaY>0 ? 0.9 : 1.1);
|
|
if(cam.zoom < 0.1) cam.zoom = 0.1;
|
|
if(cam.zoom > 10) cam.zoom = 10;
|
|
};
|
|
|
|
let drag=false, lx, ly, isRight=false;
|
|
|
|
canvas.oncontextmenu = e => e.preventDefault();
|
|
canvas.onmousedown = e => {
|
|
drag=true;
|
|
isRight = (e.button === 2);
|
|
lx=e.clientX; ly=e.clientY;
|
|
};
|
|
window.onmouseup = () => drag=false;
|
|
|
|
window.onmousemove = e => {
|
|
if(drag) {
|
|
let dx = e.clientX - lx;
|
|
let dy = e.clientY - ly;
|
|
|
|
if(isRight) {
|
|
let newZoom = cam.zoom * (1 + dy * 0.005);
|
|
if(newZoom > 0.1 && newZoom < 10) cam.zoom = newZoom;
|
|
} else {
|
|
cam.x -= dx / cam.zoom;
|
|
cam.y += dy / cam.zoom;
|
|
|
|
// 物理惯性
|
|
if (skeleton) {
|
|
skeleton.x += dx / cam.zoom;
|
|
skeleton.y -= dy / cam.zoom;
|
|
}
|
|
ui.updateSliders();
|
|
}
|
|
lx = e.clientX; ly = e.clientY;
|
|
}
|
|
};
|
|
|
|
const sx = document.getElementById('posX');
|
|
const sy = document.getElementById('posY');
|
|
if(sx) sx.oninput = () => cam.x = parseFloat(sx.value);
|
|
if(sy) sy.oninput = () => cam.y = parseFloat(sy.value);
|
|
|
|
// 绑定全局归位函数
|
|
window.resetView = function() {
|
|
if(skeleton) {
|
|
// 4.2 需要同时重置摄像机和骨骼位置(如果有物理惯性)
|
|
cam.x = 0;
|
|
cam.y = -200; // 4.2 默认稍微向下偏移一点
|
|
cam.zoom = 1.0;
|
|
|
|
// 重置滑块
|
|
if(sx) sx.value = 0;
|
|
if(sy) sy.value = -200;
|
|
|
|
ui.log("视图已重置");
|
|
}
|
|
};
|
|
}
|
|
|
|
function resetPhysics() {
|
|
if(skeleton && spine.Physics) {
|
|
skeleton.updateWorldTransform(spine.Physics.reset);
|
|
ui.log("物理已重置");
|
|
}
|
|
}
|
|
|
|
// =============================================================
|
|
// 文件处理
|
|
// =============================================================
|
|
async function handleFiles(fileList) {
|
|
let map = {};
|
|
for(let f of fileList) {
|
|
let n = f.name.toLowerCase();
|
|
if(n.includes('.atlas')) map.atlas = f;
|
|
else if(n.includes('.png') || n.includes('.jpg') || n.includes('.webp')) map.png = f;
|
|
else if(n.includes('.skel') || n.includes('.json')) map.main = f;
|
|
}
|
|
|
|
if(!map.atlas || !map.png || !map.main) {
|
|
ui.log("文件缺失: 需要 .json/.skel + .atlas + .png", 'err');
|
|
return;
|
|
}
|
|
|
|
try {
|
|
const imgBlob = URL.createObjectURL(map.png);
|
|
const img = new Image();
|
|
img.onload = () => processSpine(map, img);
|
|
img.src = imgBlob;
|
|
} catch(e) { ui.log(e, 'err'); }
|
|
}
|
|
|
|
async function processSpine(map, img) {
|
|
try {
|
|
ui.log("正在加载 (Spine 4.2)...");
|
|
const atlasText = await readFile(map.atlas, 'text');
|
|
|
|
globalTexture = new spine.GLTexture(gl, img, false);
|
|
globalTexture.setFilters(gl.LINEAR, gl.LINEAR);
|
|
globalTexture.setWraps(gl.CLAMP_TO_EDGE, gl.CLAMP_TO_EDGE);
|
|
|
|
const atlas = new spine.TextureAtlas(atlasText, path => globalTexture);
|
|
// 强制修正 Atlas 尺寸
|
|
for(let page of atlas.pages) { page.width = img.width; page.height = img.height; }
|
|
|
|
const loader = new spine.AtlasAttachmentLoader(atlas);
|
|
let skelData;
|
|
|
|
if(map.main.name.includes('.skel')) {
|
|
ui.log("解析二进制文件...");
|
|
const buffer = await readFile(map.main, 'array');
|
|
skelData = new spine.SkeletonBinary(loader).readSkeletonData(new Uint8Array(buffer));
|
|
} else {
|
|
ui.log("解析 JSON 文件...");
|
|
const text = await readFile(map.main, 'text');
|
|
skelData = new spine.SkeletonJson(loader).readSkeletonData(JSON.parse(text));
|
|
}
|
|
|
|
ui.log(`版本: ${skelData.version}`);
|
|
|
|
skeleton = new spine.Skeleton(skelData);
|
|
window.skeleton = skeleton; // 暴露给导出脚本
|
|
|
|
// 自动注入纹理
|
|
let fixCount = 0;
|
|
for(let skin of skeleton.data.skins) {
|
|
let entries = skin.getAttachments ? skin.getAttachments() : skin.attachments;
|
|
for(let entry of entries) {
|
|
let att = entry ? entry.attachment : null;
|
|
if(att && att.region) {
|
|
att.region.texture = globalTexture;
|
|
att.region.renderObject = att.region;
|
|
fixCount++;
|
|
}
|
|
}
|
|
}
|
|
|
|
skeleton.setToSetupPose();
|
|
if(spine.Physics) skeleton.updateWorldTransform(spine.Physics.reset);
|
|
|
|
state = new spine.AnimationState(new spine.AnimationStateData(skelData));
|
|
|
|
setupUI(skelData);
|
|
|
|
// 预热两帧
|
|
state.update(0); state.apply(skeleton); skeleton.updateWorldTransform(spine.Physics.update);
|
|
state.update(0); state.apply(skeleton); skeleton.updateWorldTransform(spine.Physics.update);
|
|
|
|
// 自动对焦
|
|
const offset = new spine.Vector2(), size = new spine.Vector2();
|
|
skeleton.getBounds(offset, size, []);
|
|
if(size.x > 0) {
|
|
cam.x = offset.x + size.x/2;
|
|
cam.y = offset.y + size.y/2;
|
|
cam.zoom = Math.min(canvas.width/size.x, canvas.height/size.y) * 0.8;
|
|
} else {
|
|
cam.x = 0; cam.y = -200;
|
|
}
|
|
ui.updateSliders();
|
|
|
|
// 显示UI
|
|
document.getElementById('ui').style.display = 'block';
|
|
document.getElementById('controls').style.display = 'flex';
|
|
|
|
} catch(e) { ui.log(e.message, 'err'); }
|
|
}
|
|
|
|
function setupUI(data) {
|
|
const animSelect = document.getElementById('anim-select');
|
|
const skinSelect = document.getElementById('skin-select');
|
|
if(!animSelect || !skinSelect) return;
|
|
|
|
animSelect.innerHTML = "";
|
|
skinSelect.innerHTML = "";
|
|
|
|
data.animations.forEach(a => {
|
|
const opt = document.createElement('option');
|
|
opt.value = a.name; opt.text = a.name; animSelect.appendChild(opt);
|
|
});
|
|
|
|
if(data.animations.length > 0) {
|
|
state.setAnimation(0, data.animations[0].name, true);
|
|
}
|
|
|
|
data.skins.forEach(s => {
|
|
const opt = document.createElement('option');
|
|
opt.value = s.name; opt.text = s.name; skinSelect.appendChild(opt);
|
|
});
|
|
if(data.defaultSkin) skinSelect.value = data.defaultSkin.name;
|
|
|
|
animSelect.onchange = () => state.setAnimation(0, animSelect.value, true);
|
|
skinSelect.onchange = () => {
|
|
skeleton.setSkinByName(skinSelect.value);
|
|
skeleton.setSlotsToSetupPose();
|
|
skeleton.setToSetupPose();
|
|
if(spine.Physics) skeleton.updateWorldTransform(spine.Physics.reset);
|
|
};
|
|
}
|
|
|
|
function readFile(f, type) {
|
|
return new Promise(r => {
|
|
const fr = new FileReader();
|
|
fr.onload = () => r(fr.result);
|
|
if(type==='text') fr.readAsText(f); else fr.readAsArrayBuffer(f);
|
|
});
|
|
}
|
|
|
|
// =============================================================
|
|
// 渲染循环
|
|
// =============================================================
|
|
function loop() {
|
|
requestAnimationFrame(loop);
|
|
|
|
const now = Date.now();
|
|
const targetFps = window.viewerConfig.targetFps || 30;
|
|
const interval = 1000 / targetFps;
|
|
const elapsed = now - lastTime;
|
|
|
|
if (elapsed < interval) return;
|
|
|
|
lastTime = now - (elapsed % interval);
|
|
let dt = elapsed / 1000;
|
|
|
|
// 应用倍速
|
|
const speed = window.viewerConfig.speed || 1.0;
|
|
dt *= speed;
|
|
|
|
// === 导出模式判断 ===
|
|
const isExporting = window.viewerConfig.isExporting;
|
|
|
|
if (!isExporting) {
|
|
if(canvas.width !== window.innerWidth) { canvas.width = window.innerWidth; canvas.height = window.innerHeight; }
|
|
}
|
|
|
|
gl.viewport(0, 0, canvas.width, canvas.height);
|
|
|
|
if (isExporting) {
|
|
gl.clearColor(0, 0, 0, 0); // 强制全透明
|
|
} else {
|
|
const bg = window.viewerConfig ? window.viewerConfig.bgColor : [0.2, 0.2, 0.2, 1];
|
|
gl.clearColor(bg[0], bg[1], bg[2], bg[3]);
|
|
}
|
|
gl.clear(gl.COLOR_BUFFER_BIT);
|
|
|
|
if(!skeleton || !state) return;
|
|
|
|
try {
|
|
// === 时间轴核心控制 ===
|
|
const ctrl = window.animControl;
|
|
let track = state.getCurrent(0);
|
|
|
|
if (track) {
|
|
if (ctrl) ctrl.updateUI(track.trackTime, track.animation.duration);
|
|
if (ctrl && ctrl.isScrubbing && ctrl.targetTime >= 0) {
|
|
track.trackTime = ctrl.targetTime;
|
|
}
|
|
else if (ctrl && !ctrl.isPlaying) {
|
|
if (skeleton.update) skeleton.update(0);
|
|
state.update(0);
|
|
}
|
|
else {
|
|
state.update(dt);
|
|
}
|
|
} else {
|
|
state.update(dt);
|
|
}
|
|
|
|
state.apply(skeleton);
|
|
|
|
// 物理更新逻辑
|
|
if(skeleton.update && (!ctrl || (ctrl.isPlaying && !ctrl.isScrubbing))) {
|
|
skeleton.update(dt);
|
|
}
|
|
if(spine.Physics) skeleton.updateWorldTransform(spine.Physics.update);
|
|
else skeleton.updateWorldTransform(1);
|
|
|
|
if(!Number.isFinite(cam.zoom)) cam.zoom=0.1;
|
|
const w = canvas.width, h = canvas.height;
|
|
Mat4.ortho(mvp, cam.x - w/cam.zoom/2, cam.x + w/cam.zoom/2, cam.y - h/cam.zoom/2, cam.y + h/cam.zoom/2, -2000, 2000);
|
|
|
|
shader.bind();
|
|
shader.setUniform4x4f(spine.Shader.MVP_MATRIX, mvp);
|
|
shader.setUniformi(spine.Shader.SAMPLER, 0);
|
|
|
|
// 从全局配置读取 PMA
|
|
const pma = window.viewerConfig ? window.viewerConfig.pmaEnabled : true;
|
|
|
|
gl.enable(gl.BLEND);
|
|
gl.blendFunc(pma ? gl.ONE : gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA);
|
|
|
|
batcher.begin(shader);
|
|
renderer.draw(batcher, skeleton);
|
|
batcher.end();
|
|
shader.unbind();
|
|
|
|
// === 绘制骨骼调试线 (导出时不绘制) ===
|
|
if(!isExporting) {
|
|
if(window.debugRenderer && window.viewerConfig.showBones) {
|
|
window.debugRenderer.drawBones(
|
|
skeleton,
|
|
cam.x,
|
|
cam.y,
|
|
cam.zoom,
|
|
h
|
|
);
|
|
} else if(window.debugRenderer) {
|
|
window.debugRenderer.drawBones(null, 0,0,1,0);
|
|
}
|
|
}
|
|
|
|
} catch(e) { }
|
|
}
|
|
};
|