@gltf-transform/functions - npm Package Compare versions

Comparing version 0.12.1 to 0.12.2

dist/functions.js

@@ -1,2 +0,2 @@
-var e=require("@gltf-transform/core"),t=require("ndarray-pixels"),r=require("@gltf-transform/extensions"),n=require("ndarray"),i=require("ndarray-lanczos");function o(e){return e&&"object"==typeof e&&"default"in e?e:{default:e}}var a=o(n);function s(){return(s=Object.assign||function(e){for(var t=1;t<arguments.length;t++){var r=arguments[t];for(var n in r)Object.prototype.hasOwnProperty.call(r,n)&&(e[n]=r[n])}return e}).apply(this,arguments)}function u(e,t){(null==t||t>e.length)&&(t=e.length);for(var r=0,n=new Array(t);r<t;r++)n[r]=e[r];return n}function l(e,t){var r;if("undefined"==typeof Symbol||null==e[Symbol.iterator]){if(Array.isArray(e)||(r=function(e,t){if(e){if("string"==typeof e)return u(e,t);var r=Object.prototype.toString.call(e).slice(8,-1);return"Object"===r&&e.constructor&&(r=e.constructor.name),"Map"===r||"Set"===r?Array.from(e):"Arguments"===r||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(r)?u(e,t):void 0}}(e))||t&&e&&"number"==typeof e.length){r&&(e=r);var n=0;return function(){return n>=e.length?{done:!0}:{done:!1,value:e[n++]}}}throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}return(r=e[Symbol.iterator]()).next.bind(r)}var f="center",c={pivot:"center"},g={propertyTypes:[e.PropertyType.ACCESSOR,e.PropertyType.MESH,e.PropertyType.TEXTURE]},p=function(e,r,n){try{if(!e)return Promise.resolve(null);var i=e.getImage();return i?Promise.resolve(t.getPixels(new Uint8Array(i),e.getMimeType())).then(function(e){for(var i=0;i<e.shape[0];++i)for(var o=0;o<e.shape[1];++o)n(e,i,o);return Promise.resolve(t.savePixels(e,"image/png")).then(function(e){return r.setImage(e.buffer).setMimeType("image/png")})}):Promise.resolve(null)}catch(e){return Promise.reject(e)}};function d(t){var r=t.getIndices(),n=t.getAttribute("POSITION");switch(t.getMode()){case e.Primitive.Mode.POINTS:return n.getCount();case e.Primitive.Mode.LINES:return r?r.getCount()/2:n.getCount()/2;case e.Primitive.Mode.LINE_LOOP:return n.getCount();case e.Primitive.Mode.LINE_STRIP:return n.getCount()-1;case e.Primitive.Mode.TRIANGLES:return r?r.getCount()/3:n.getCount()/3;case e.Primitive.Mode.TRIANGLE_STRIP:case e.Primitive.Mode.TRIANGLE_FAN:return n.getCount()-2;default:throw new Error("Unexpected mode: "+t.getMode())}}function v(t){return{properties:t.getRoot().listScenes().map(function(t){var r=t.listChildren()[0],n=e.bounds(t);return{name:t.getName(),rootName:r?r.getName():"",bboxMin:S(n.min),bboxMax:S(n.max)}})}}function m(e){return{properties:e.getRoot().listMeshes().map(function(e){var t=e.listParents().filter(function(e){return"Root"!==e.propertyType}).length,r=0,n=0,i=new Set,o=new Set,a=new Set;e.listPrimitives().forEach(function(e){for(var t,s=l(e.listSemantics());!(t=s()).done;){var u=t.value,f=e.getAttribute(u);i.add(u+":"+T(f.getArray())),a.add(f)}for(var c,g=l(e.listTargets());!(c=g()).done;)c.value.listAttributes().forEach(function(e){return a.add(e)});var p=e.getIndices();p&&(o.add(T(p.getArray())),a.add(p)),n+=e.listAttributes()[0].getCount(),r+=d(e)});var s=0;Array.from(a).forEach(function(e){return s+=e.getArray().byteLength});var u=e.listPrimitives().map(function(e){return b[e.getMode()]});return{name:e.getName(),mode:Array.from(new Set(u)),primitives:e.listPrimitives().length,glPrimitives:r,vertices:n,indices:Array.from(o).sort(),attributes:Array.from(i).sort(),instances:t,size:s}})}}function h(t){return{properties:t.getRoot().listMaterials().map(function(r){var n=r.listParents().filter(function(e){return"Root"!==e.propertyType}).length,i=new Set(r.listExtensions()),o=t.getGraph().getLinks().filter(function(t){var n=t.getChild(),o=t.getParent();return n instanceof e.Texture&&o===r||!!(n instanceof e.Texture&&o instanceof e.ExtensionProperty&&i.has(o))}).map(function(e){return e.getName()});return{name:r.getName(),instances:n,textures:o,alphaMode:r.getAlphaMode(),doubleSided:r.getDoubleSided()}})}}function y(t){return{properties:t.getRoot().listTextures().map(function(r){var n=r.listParents().filter(function(e){return"Root"!==e.propertyType}).length,i=t.getGraph().listParentLinks(r).map(function(e){return e.getName()}).filter(function(e){return"texture"!==e}),o=e.ImageUtils.getSize(r.getImage(),r.getMimeType());return{name:r.getName(),uri:r.getURI(),slots:Array.from(new Set(i)),instances:n,mimeType:r.getMimeType(),resolution:o?o.join("x"):"",size:r.getImage().byteLength,gpuSize:e.ImageUtils.getMemSize(r.getImage(),r.getMimeType())}})}}function A(e){return{properties:e.getRoot().listAnimations().map(function(e){var t=Infinity,r=-Infinity;e.listSamplers().forEach(function(e){var n=e.getInput();n&&(t=Math.min(t,n.getMin([])[0]),r=Math.max(r,n.getMax([])[0]))});var n=0,i=0,o=new Set;return e.listSamplers().forEach(function(e){var t=e.getInput(),r=e.getOutput();t&&(i+=t.getCount(),o.add(t),r&&o.add(r))}),Array.from(o).forEach(function(e){n+=e.getArray().byteLength}),{name:e.getName(),channels:e.listChannels().length,samplers:e.listSamplers().length,duration:Math.round(1e3*(r-t))/1e3,keyframes:i,size:n}})}}var b=["POINTS","LINES","LINE_LOOP","LINE_STRIP","TRIANGLES","TRIANGLE_STRIP","TRIANGLE_FAN"];function S(e){for(var t=0;t<e.length;t++)e[t].toFixed&&(e[t]=Number(e[t].toFixed(5)));return e}function T(e){return e.constructor.name.replace("Array","").toLowerCase()}var E="instance",I={};function w(t,r){for(var n,i=0;n=t.pop();)if(!(n.listChildren().length||n.getCamera()||n.getMesh()||n.getSkin()||n.listExtensions().length)){var o=n.getParent();o instanceof e.Node&&t.push(o),n.dispose(),i++}r.debug(E+": Removed "+i+" unused nodes.")}function R(e,t,r,n){var i=r.listPrimitives()[0].getAttribute("POSITION").getBuffer(),o=e.createAccessor().setType("VEC3").setArray(new Float32Array(3*n)).setBuffer(i),a=e.createAccessor().setType("VEC4").setArray(new Float32Array(4*n)).setBuffer(i),s=e.createAccessor().setType("VEC3").setArray(new Float32Array(3*n)).setBuffer(i);return t.createInstancedMesh().setAttribute("TRANSLATION",o).setAttribute("ROTATION",a).setAttribute("SCALE",s)}var N="undefined"!=typeof Symbol?Symbol.iterator||(Symbol.iterator=Symbol("Symbol.iterator")):"@@iterator";function P(e,t,r){if(!e.s){if(r instanceof M){if(!r.s)return void(r.o=P.bind(null,e,t));1&t&&(t=r.s),r=r.v}if(r&&r.then)return void r.then(P.bind(null,e,t),P.bind(null,e,2));e.s=t,e.v=r;var n=e.o;n&&n(e)}}var M=function(){function e(){}return e.prototype.then=function(t,r){var n=new e,i=this.s;if(i){var o=1&i?t:r;if(o){try{P(n,1,o(this.v))}catch(e){P(n,2,e)}return n}return this}return this.o=function(e){try{var i=e.v;1&e.s?P(n,1,t?t(i):i):r?P(n,1,r(i)):P(n,2,i)}catch(e){P(n,2,e)}},n},e}();function x(e){return e instanceof M&&1&e.s}var C={},O="partition",z={animations:!0,meshes:!0};function L(e,t){for(var r=e+".bin",n=1;t.has(r);)r=e+"_"+n+++".bin";return r}var U={},F="quantize",_=[Int8Array,Int16Array,Int32Array],k={excludeAttributes:[],quantizationVolume:"mesh",quantizePosition:14,quantizeNormal:10,quantizeTexcoord:12,quantizeColor:8,quantizeWeight:8,quantizeGeneric:12};function q(t,r,n,i){for(var o,a=t.getRoot(),s=t.getLogger(),u=n?n.nodeRemap:null,f=l(r.listSemantics());!(o=f()).done;){var c=o.value;if(!i.excludeAttributes.includes(c)){var g=r.getAttribute(c),p=V(c,g,s,i),d=p.bits,v=p.ctor;if(v){if(d<8||d>16)throw new Error(F+": Requires bits = 8–16.");if(!(g.getComponentSize()<=d/8)){var m=t.getGraph().listParentLinks(g).filter(function(e){return e.getParent()!==a}).map(function(e){return e.getName()});if(new Set(m).size>1)s.warn(F+": Skipping "+c+"; attribute usage conflict.");else{if("POSITION"===c){if(!u)throw new Error(F+": Failed precondition; missing node transform.");for(var h=0,y=[0,0,0],A=g.getCount();h<A;h++)g.setElement(h,u(g.getElement(h,y)))}j(g,v,d),g.setNormalized(!0)}}}}}if(r instanceof e.Primitive&&r.getIndices()&&r.listAttributes().length&&r.listAttributes()[0].getCount()<65535){var b=r.getIndices();b.setArray(new Uint16Array(b.getArray()))}}function G(e,t){var r=e.listPrimitives().map(function(e){return e.getAttribute("POSITION")});if(!r.some(function(e){return!!e}))return null;var n=[Infinity,Infinity,Infinity],i=[-Infinity,-Infinity,-Infinity];return t?(n=[].concat(t.min),i=[].concat(t.max)):function(e,t,r){for(var n=r[0].getElementSize(),i=0;i<n;i++)e[i]=Infinity;for(var o=0;o<n;o++)t[o]=-Infinity;for(var a,s=[],u=[],f=l(r);!(a=f()).done;){var c=a.value;c.getMinNormalized(s),c.getMaxNormalized(u);for(var g=0;g<n;g++)e[g]=Math.min(e[g],s[g]),t[g]=Math.max(t[g],u[g])}}(n,i,r),{nodeRemap:function(e){return[2*(e[0]-n[0])/(i[0]-n[0])-1,2*(e[1]-n[1])/(i[1]-n[1])-1,2*(e[2]-n[2])/(i[2]-n[2])-1]},nodeOffset:[n[0]+(i[0]-n[0])/2,n[1]+(i[1]-n[1])/2,n[2]+(i[2]-n[2])/2],nodeScale:[(i[0]-n[0])/2,(i[1]-n[1])/2,(i[2]-n[2])/2]}}function B(t,r,n){for(var i,o=n.nodeOffset||[0,0,0],a=n.nodeScale||[1,1,1],s=l(r.listParents());!(i=s()).done;){var u=i.value;if(u instanceof e.Node){var f=u.listChildren().length>0,c=!!u.listParents().find(function(t){return t instanceof e.Animation}),g=void 0;f||c?(g=t.createNode("").setMesh(r),u.addChild(g).setMesh(null)):g=u;var p=g.getTranslation(),d=g.getScale();g.setTranslation([p[0]+o[0],p[1]+o[1],p[2]+o[2]]).setScale([d[0]*a[0],d[1]*a[1],d[2]*a[2]])}}}function j(e,t,r){for(var n=new t(e.getArray().length),i=_.includes(t)?1:0,o=r-i,a=8*t.BYTES_PER_ELEMENT-i,s=Math.pow(2,o)-1,u=a-o,l=2*o-a,f=0,c=0,g=[];f<e.getCount();f++){e.getElement(f,g);for(var p=0;p<g.length;p++){var d=Math.round(Math.abs(g[p])*s);n[c++]=(d=d<<u|d>>l)*Math.sign(g[p])}}e.setArray(n)}function V(e,t,r,n){var i,o,a=t.getMinNormalized([]),s=t.getMinNormalized([]);if("POSITION"===e)o=(i=n.quantizePosition)<=8?Int8Array:Int16Array;else if("NORMAL"===e||"TANGENT"===e)o=(i=n.quantizeNormal)<=8?Int8Array:Int16Array;else if(e.startsWith("COLOR_"))o=(i=n.quantizeColor)<=8?Uint8Array:Uint16Array;else if(e.startsWith("TEXCOORD_")){if(a.some(function(e){return e<0})||s.some(function(e){return e>1}))return r.warn(F+": Skipping "+e+"; out of supported range."),{bits:-1};o=(i=n.quantizeTexcoord)<=8?Uint8Array:Uint16Array}else{if(e.startsWith("JOINTS_"))return o=(i=Math.max.apply(Math,t.getMax([]))<=255?8:16)<=8?Uint8Array:Uint16Array,t.getComponentSize()>i/8&&t.setArray(new o(t.getArray())),{bits:-1};if(e.startsWith("WEIGHTS_")){if(a.some(function(e){return e<0})||s.some(function(e){return e>1}))return r.warn(F+": Skipping "+e+"; out of supported range."),{bits:-1};o=(i=n.quantizeWeight)<=8?Uint8Array:Uint16Array}else{if(!e.startsWith("_"))throw new Error(F+': Unexpected semantic, "'+e+'".');if(a.some(function(e){return e<-1})||s.some(function(e){return e>1}))return r.warn(F+": Skipping "+e+"; out of supported range."),{bits:-1};i=n.quantizeGeneric,o=o=a.some(function(e){return e<0})?i<=8?Int8Array:Int16Array:i<=8?Uint8Array:Uint16Array}}return{bits:i,ctor:o}}var W={tolerance:1e-4};function D(e,t){if(["STEP","LINEAR"].includes(e.getInterpolation())){for(var r,n=e.getInput().clone(),i=e.getOutput().clone(),o=t.tolerance,a=n.getCount()-1,s=[],u=1,l=1;l<a;++l){var f=n.getScalar(l),c=n.getScalar(l-1),g=n.getScalar(l+1),p=(f-c)/(g-c),d=!1;if(f!==g&&(1!==l||f!==n.getScalar(0)))for(var v=0;v<i.getElementSize();v++){var m=i.getElement(l,s)[v],h=i.getElement(l-1,s)[v],y=i.getElement(l+1,s)[v];if("LINEAR"===e.getInterpolation()){if(Math.abs(m-(h*(1-(r=p))+y*r))>o){d=!0;break}}else if("STEP"===e.getInterpolation()&&(m!==h||m!==y)){d=!0;break}}d&&(l!==u&&(n.setScalar(u,n.getScalar(l)),i.setElement(u,i.getElement(l,s))),u++)}a>0&&(n.setScalar(u,n.getScalar(a)),i.setElement(u,i.getElement(a,s)),u++),u!==n.getCount()?(n.setArray(n.getArray().slice(0,u)),i.setArray(i.getArray().slice(0,u*i.getElementSize())),e.setInput(n),e.setOutput(i)):(n.dispose(),i.dispose())}}var X={name:"",fps:10,pattern:/.*/,sort:!0},H="tangents",Z={overwrite:!1};function K(t,r,n,i,o){return t.getMode()===e.Primitive.Mode.TRIANGLES&&t.getAttribute("POSITION")&&t.getAttribute("NORMAL")&&t.getAttribute("TEXCOORD_0")?t.getAttribute("TANGENT")&&!o?(r.debug(H+": Skipping primitive "+i+' of mesh "'+n+'": TANGENT found.'),!1):!t.getIndices()||(r.warn(H+": Skipping primitive "+i+' of mesh "'+n+'": primitives must be unwelded.'),!1):(r.debug(H+": Skipping primitive "+i+' of mesh "'+n+'": primitives must have attributes=[POSITION, NORMAL, TEXCOORD_0] and mode=TRIANGLES.'),!1)}var Q="undefined"!=typeof Symbol?Symbol.iterator||(Symbol.iterator=Symbol("Symbol.iterator")):"@@iterator";function J(e,t,r){if(!e.s){if(r instanceof Y){if(!r.s)return void(r.o=J.bind(null,e,t));1&t&&(t=r.s),r=r.v}if(r&&r.then)return void r.then(J.bind(null,e,t),J.bind(null,e,2));e.s=t,e.v=r;var n=e.o;n&&n(e)}}var Y=function(){function e(){}return e.prototype.then=function(t,r){var n=new e,i=this.s;if(i){var o=1&i?t:r;if(o){try{J(n,1,o(this.v))}catch(e){J(n,2,e)}return n}return this}return this.o=function(e){try{var i=e.v;1&e.s?J(n,1,t?t(i):i):r?J(n,1,r(i)):J(n,2,i)}catch(e){J(n,2,e)}},n},e}();function $(e){return e instanceof Y&&1&e.s}var ee,te="textureResize";(ee=exports.TextureResizeFilter||(exports.TextureResizeFilter={})).LANCZOS3="lanczos3",ee.LANCZOS2="lanczos2";var re={size:[2048,2048],filter:exports.TextureResizeFilter.LANCZOS3,pattern:null},ne={};function ie(e,t,r,n){if(n.has(e)&&n.get(e).has(t))return r.debug('unweld: Cache hit for reused attribute, "'+e.getName()+'".'),n.get(e).get(t);var i=e.clone(),o=e.getArray().constructor;i.setArray(new o(t.getCount()*e.getElementSize()));for(var a=[],s=0;s<t.getCount();s++)i.setElement(s,e.getElement(t.getScalar(s),a));return n.has(e)||n.set(e,new Map),n.get(e).set(t,i),i}var oe={tolerance:1e-4};function ae(t,r){if(!r.getIndices()){for(var n=r.listAttributes()[0].getBuffer(),i=t.createAccessor().setBuffer(n).setType(e.Accessor.Type.SCALAR).setArray(new Uint32Array(3*d(r))),o=0;o<i.getCount();o++)i.setScalar(o,o);r.setIndices(i)}}function se(e,t,r){var n=Math.max(r.tolerance,Number.EPSILON),i=Math.log10(1/n),o=Math.pow(10,i),a={},s=t.getIndices(),u=s?s.getCount():t.listAttributes()[0].getCount(),f=new Map;t.listAttributes().forEach(function(e){return f.set(e,[])}),t.listTargets().forEach(function(e){e.listAttributes().forEach(function(e){return f.set(e,[])})});for(var c=[],g=0,p=0;p<u;p++){for(var d,v=s?s.getScalar(p):p,m=[],h=[],y=l(t.listAttributes());!(d=y()).done;)for(var A=d.value,b=0;b<A.getElementSize();b++)m.push(~~(A.getElement(v,h)[b]*o));var S=m.join("|");if(S in a)c.push(a[S]);else{for(var T,E=l(t.listAttributes());!(T=E()).done;){var I=T.value;f.get(I).push(I.getElement(v,[]))}for(var w,R=l(t.listTargets());!(w=R()).done;)for(var N,P=l(w.value.listAttributes());!(N=P()).done;){var M=N.value;f.get(M).push(M.getElement(v,[]))}a[S]=g,c.push(g),g++}}var x=t.listAttributes()[0].getCount(),C=f.get(t.getAttribute("POSITION")).length;e.getLogger().debug("weld: "+x+" → "+C+" vertices.");for(var O,z=l(t.listAttributes());!(O=z()).done;){var L=O.value;le(t,L,f.get(L)),1===L.listParents().length&&L.dispose()}for(var U,F=l(t.listTargets());!(U=F()).done;)for(var _,k=U.value,q=l(k.listAttributes());!(_=q()).done;){var G=_.value;le(k,G,f.get(G)),1===G.listParents().length&&G.dispose()}if(s){var B=ue(s.getArray(),c.length);B.set(c),t.setIndices(s.clone().setArray(B)),1===s.listParents().length&&s.dispose()}else t.setIndices(e.createAccessor().setArray(new Uint32Array(c)))}function ue(e,t){return new(0,e.constructor)(t)}function le(e,t,r){for(var n=r.length*t.getElementSize(),i=ue(t.getArray(),n),o=t.clone().setArray(i),a=0;a<r.length;a++)o.setElement(a,r[a]);e.swap(t,o)}Object.defineProperty(exports,"bounds",{enumerable:!0,get:function(){return e.bounds}}),exports.QUANTIZE_DEFAULTS=k,exports.TEXTURE_RESIZE_DEFAULTS=re,exports.center=function(t){void 0===t&&(t=c);var r=s({},c,t);return function(t){var n=t.getLogger(),i=t.getRoot(),o=i.listAnimations().length>0||i.listSkins().length>0;t.getRoot().listScenes().forEach(function(a,s){var u;if(n.debug(f+": Scene "+(s+1)+" / "+i.listScenes().length+"."),"string"==typeof r.pivot){var l=e.bounds(a);u=[(l.max[0]-l.min[0])/2+l.min[0],(l.max[1]-l.min[1])/2+l.min[1],(l.max[2]-l.min[2])/2+l.min[2]],"above"===r.pivot&&(u[1]=l.max[1]),"below"===r.pivot&&(u[1]=l.min[1])}else u=r.pivot;n.debug(f+': Pivot "'+u.join(", ")+'".');var c=[-1*u[0],-1*u[1],-1*u[2]];if(o){n.debug(f+": Model contains animation or skin. Adding a wrapper node.");var g=t.createNode("Pivot").setTranslation(c);a.listChildren().forEach(function(e){return g.addChild(e)}),a.addChild(g)}else n.debug(f+": Skipping wrapper, offsetting all root nodes."),a.listChildren().forEach(function(e){var t=e.getTranslation();e.setTranslation([t[0]+c[0],t[1]+c[1],t[2]+c[2]])})}),n.debug(f+": Complete.")}},exports.colorspace=function(e){return function(t){var r=t.getLogger();if("linear"!==e.inputEncoding)if("sRGB"===e.inputEncoding){var n=new Set;t.getRoot().listMeshes().forEach(function(e){return e.listPrimitives().forEach(o)}),r.debug("colorspace: Complete.")}else r.error('colorspace: Unknown input encoding "'+e.inputEncoding+'" – should be "sRGB" or "linear". Skipping conversion.');else r.info("colorspace: Vertex colors already linear. Skipping conversion.");function i(e){return e<.04045?.0773993808*e:Math.pow(.9478672986*e+.0521327014,2.4)}function o(e){for(var t,r=[0,0,0],o=0;t=e.getAttribute("COLOR_"+o);o++)if(!n.has(t)){for(var a=0;a<t.getCount();a++)t.getElement(a,r),r[0]=i(r[0]),r[1]=i(r[1]),r[2]=i(r[2]),t.setElement(a,r);n.add(t)}}}},exports.dedup=function(t){void 0===t&&(t=g);for(var r,n=s({},g,t),i=new Set(n.propertyTypes),o=l(n.propertyTypes);!(r=o()).done;){var a=r.value;if(!g.propertyTypes.includes(a))throw new Error('dedup: Unsupported deduplication on type "'+a+'".')}return function(t){var r=t.getLogger();i.has(e.PropertyType.ACCESSOR)&&function(t,r){var n=new Set,i=new Set,o=r.getRoot().listMeshes();function a(t){for(var r=new Map,n=0;n<t.length;n++){var i=t[n],o=i.getArray().slice().buffer;if(!r.has(i))for(var a=0;a<t.length;a++){var s=t[a];i!==s&&(r.has(s)||i.getType()===s.getType()&&i.getComponentType()===s.getComponentType()&&i.getCount()===s.getCount()&&i.getNormalized()===s.getNormalized()&&e.BufferUtils.equals(o,s.getArray().slice().buffer)&&r.set(s,i))}}return r}o.forEach(function(e){e.listPrimitives().forEach(function(e){e.listAttributes().forEach(function(e){return i.add(e)});var t=e.getIndices();t&&n.add(t)})});var s=a(Array.from(n));t.debug("dedup: Found "+s.size+" duplicates among "+n.size+" indices.");var u=a(Array.from(i));t.debug("dedup: Found "+u.size+" duplicates among "+i.size+" attributes."),o.forEach(function(e){e.listPrimitives().forEach(function(e){e.listAttributes().forEach(function(t){u.has(t)&&e.swap(t,u.get(t))});var t=e.getIndices();t&&s.has(t)&&e.swap(t,s.get(t))})}),Array.from(s.keys()).forEach(function(e){return e.dispose()}),Array.from(u.keys()).forEach(function(e){return e.dispose()})}(r,t),i.has(e.PropertyType.MESH)&&function(t,r){var n=r.getRoot(),i=new Map;n.listAccessors().forEach(function(e,t){i.set(e,t)});for(var o,a=n.listMeshes().length,s=new Map,u=function(){for(var t,r=o.value,n=[],a=l(r.listPrimitives());!(t=a()).done;){for(var u,f=t.value,c=[],g=l(f.listSemantics());!(u=g()).done;){var p=u.value,d=f.getAttribute(p);c.push(p+":"+i.get(d))}var v=f.getIndices();v&&c.push("indices:"+i.get(v)),n.push(c.join(","))}var m=n.join(";");if(s.has(m)){var h=s.get(m);r.listParents().forEach(function(t){t.propertyType!==e.PropertyType.ROOT&&t.swap(r,h)}),r.dispose()}else s.set(m,r)},f=l(n.listMeshes());!(o=f()).done;)u();t.debug("dedup: Found "+(a-s.size)+" duplicates among "+a+" meshes.")}(r,t),i.has(e.PropertyType.TEXTURE)&&function(t,r){for(var n=r.getRoot(),i=n.listTextures(),o=new Map,a=0;a<i.length;a++){var s=i[a],u=s.getImage();if(!o.has(s))for(var l=0;l<i.length;l++){var f=i[l],c=f.getImage();if(s!==f&&!o.has(f)&&s.getMimeType()===f.getMimeType()){var g=s.getSize(),p=f.getSize();g&&p&&g[0]===p[0]&&g[1]===p[1]&&u&&c&&e.BufferUtils.equals(u,c)&&o.set(f,s)}}}t.debug("dedup: Found "+o.size+" duplicates among "+n.listTextures().length+" textures."),Array.from(o.entries()).forEach(function(t){var r=t[0],n=t[1];r.listParents().forEach(function(t){t instanceof e.Material&&t.swap(r,n)}),r.dispose()})}(r,t),r.debug("dedup: Complete.")}},exports.inspect=function(e){return{scenes:v(e),meshes:m(e),materials:h(e),textures:y(e),animations:A(e)}},exports.instance=function(t){return void 0===t&&(t=I),s({},I,t),function(t){var n=t.getLogger(),i=t.getRoot(),o=t.createExtension(r.MeshGPUInstancing);if(i.listAnimations().length)throw new Error(E+": Instancing is not currently supported for animated models.");for(var a,s=0,u=0,f=function(){var r=a.value,i=new Map;r.traverse(function(e){var t=e.getMesh();t&&i.set(t,(i.get(t)||new Set).add(e))});for(var l=[],f=0,c=Array.from(i.keys());f<c.length;f++){var g=c[f],p=Array.from(i.get(g));if(!(p.length<2||p.some(function(e){return e.getSkin()}))){var d=R(t,o,g,p.length),v=d.getAttribute("TRANSLATION"),m=d.getAttribute("ROTATION"),h=d.getAttribute("SCALE"),y=t.createNode().setMesh(g).setExtension("EXT_mesh_gpu_instancing",d);r.addChild(y);for(var A=!1,b=!1,S=!1,T=0;T<p.length;T++){var E,I,N,P=p[T];v.setElement(T,E=P.getWorldTranslation()),m.setElement(T,I=P.getWorldRotation()),h.setElement(T,N=P.getWorldScale()),e.MathUtils.eq(E,[0,0,0])||(A=!0),e.MathUtils.eq(I,[0,0,0,1])||(b=!0),e.MathUtils.eq(N,[1,1,1])||(S=!0),P.setMesh(null),l.push(P)}A||v.dispose(),b||m.dispose(),S||h.dispose(),w(l,n),s++,u+=p.length}}},c=l(i.listScenes());!(a=c()).done;)f();s>0?n.info(E+": Created "+s+" batches, with "+u+" total instances."):(n.info(E+": No meshes with multiple parent nodes were found."),o.dispose()),n.debug(E+": Complete.")}},exports.metalRough=function(e){return void 0===e&&(e=C),s({},C,e),function(e){try{var t=function(){s.dispose();for(var e,t=l(u);!(e=t()).done;){var r=e.value;r&&1===r.listParents().length&&r.dispose()}n.debug("metalRough: Complete.")},n=e.getLogger(),i=r.MaterialsPBRSpecularGlossiness.EXTENSION_NAME;if(!e.getRoot().listExtensionsUsed().map(function(e){return e.extensionName}).includes(i))return n.warn("metalRough: Extension "+i+" not found on given document."),Promise.resolve();var o=e.createExtension(r.MaterialsIOR),a=e.createExtension(r.MaterialsSpecular),s=e.createExtension(r.MaterialsPBRSpecularGlossiness),u=new Set,f=function(e,t,r){if("function"==typeof e[N]){var n,i,o,a=e[N]();if(function e(r){try{for(;!(n=a.next()).done;)if((r=t(n.value))&&r.then){if(!x(r))return void r.then(e,o||(o=P.bind(null,i=new M,2)));r=r.v}i?P(i,1,r):i=r}catch(e){P(i||(i=new M),2,e)}}(),a.return){var s=function(e){try{n.done||a.return()}catch(e){}return e};if(i&&i.then)return i.then(s,function(e){throw s(e)});s()}return i}if(!("length"in e))throw new TypeError("Object is not iterable");for(var u=[],l=0;l<e.length;l++)u.push(e[l]);return function(e,t,r){var n,i,o=-1;return function r(a){try{for(;++o<e.length;)if((a=t(o))&&a.then){if(!x(a))return void a.then(r,i||(i=P.bind(null,n=new M,2)));a=a.v}n?P(n,1,a):n=a}catch(e){P(n||(n=new M),2,e)}}(),n}(u,function(e){return t(u[e])})}(e.getRoot().listMaterials(),function(t){function r(){t.setExtension("KHR_materials_pbrSpecularGlossiness",null)}var n=t.getExtension("KHR_materials_pbrSpecularGlossiness");if(n){var i=a.createSpecular().setSpecularFactor(1).setSpecularColorFactor(n.getSpecularFactor());u.add(n.getSpecularGlossinessTexture()),u.add(t.getBaseColorTexture()),u.add(t.getMetallicRoughnessTexture()),t.setBaseColorFactor(n.getDiffuseFactor()).setMetallicFactor(0).setRoughnessFactor(1).setExtension("KHR_materials_ior",o.createIOR().setIOR(1e3)).setExtension("KHR_materials_specular",i);var s=n.getDiffuseTexture();s&&(t.setBaseColorTexture(s),t.getBaseColorTextureInfo().copy(n.getDiffuseTextureInfo()));var l=n.getSpecularGlossinessTexture(),f=function(){if(l){var r=n.getSpecularGlossinessTextureInfo(),o=e.createTexture();return Promise.resolve(p(l,o,function(e,t,r){e.set(t,r,3,255)})).then(function(){i.setSpecularTexture(o),i.getSpecularTextureInfo().copy(r);var a=n.getGlossinessFactor(),s=e.createTexture();return Promise.resolve(p(l,s,function(e,t,r){var n=255-Math.round(e.get(t,r,3)*a);e.set(t,r,0,0),e.set(t,r,1,n),e.set(t,r,2,0),e.set(t,r,3,255)})).then(function(){t.setMetallicRoughnessTexture(s),t.getMetallicRoughnessTextureInfo().copy(r)})})}i.setSpecularColorFactor(n.getSpecularFactor()),t.setRoughnessFactor(1-n.getGlossinessFactor())}();return f&&f.then?f.then(r):r()}});return Promise.resolve(f&&f.then?f.then(t):t())}catch(e){return Promise.reject(e)}}},exports.partition=function(e){void 0===e&&(e=z);var t=s({},z,e);return function(e){var r=e.getLogger();!1!==t.meshes&&function(e,t,r){var n=new Set(e.getRoot().listBuffers().map(function(e){return e.getURI()}));e.getRoot().listMeshes().forEach(function(i,o){if(!Array.isArray(r.meshes)||r.meshes.includes(i.getName())){t.debug(O+': Creating buffer for mesh "'+i.getName()+'".');var a=e.createBuffer(i.getName()).setURI(L(i.getName()||"mesh",n));i.listPrimitives().forEach(function(e){var t=e.getIndices();t&&t.setBuffer(a),e.listAttributes().forEach(function(e){return e.setBuffer(a)}),e.listTargets().forEach(function(e){e.listAttributes().forEach(function(e){return e.setBuffer(a)})})})}else t.debug(O+": Skipping mesh #"+o+' with name "'+i.getName()+'".')})}(e,r,t),!1!==t.animations&&function(e,t,r){var n=new Set(e.getRoot().listBuffers().map(function(e){return e.getURI()}));e.getRoot().listAnimations().forEach(function(i,o){if(!Array.isArray(r.animations)||r.animations.includes(i.getName())){t.debug(O+': Creating buffer for animation "'+i.getName()+'".');var a=e.createBuffer(i.getName()).setURI(L(i.getName()||"animation",n));i.listSamplers().forEach(function(e){var t=e.getInput(),r=e.getOutput();t&&t.setBuffer(a),r&&r.setBuffer(a)})}else t.debug(O+": Skipping animation #"+o+' with name "'+i.getName()+'".')})}(e,r,t),t.meshes||t.animations||r.warn(O+": Select animations or meshes to create a partition."),r.debug(O+": Complete.")}},exports.prune=function(t){return void 0===t&&(t=U),s({},U,t),function(t){var r=t.getLogger(),n=t.getRoot(),i=t.getGraph(),o={};n.listNodes().forEach(v),n.listSkins().forEach(v),n.listMeshes().forEach(v),n.listCameras().forEach(v),m(i,e.PropertyType.PRIMITIVE),m(i,e.PropertyType.PRIMITIVE_TARGET);for(var a,s=l(n.listAnimations());!(a=s()).done;){for(var u,f=a.value,c=l(f.listChannels());!(u=c()).done;){var g=u.value;g.getTargetNode()||(g.dispose(),h(g))}if(f.listChannels().length)f.listSamplers().forEach(v);else{var p=f.listSamplers();v(f),p.forEach(v)}}if(n.listMaterials().forEach(v),n.listTextures().forEach(v),n.listAccessors().forEach(v),n.listBuffers().forEach(v),Object.keys(o).length){var d=Object.keys(o).map(function(e){return e+" ("+o[e]+")"}).join(", ");r.info("prune: Removed types... "+d)}else r.info("prune: No unused properties found.");function v(t){t.listParents().filter(function(t){return!(t instanceof e.Root||t instanceof e.AnimationChannel)}).length||(t.dispose(),h(t))}function m(e,t){e.getLinks().map(function(e){return e.getParent()}).filter(function(e){return e.propertyType===t}).forEach(v)}function h(e){o[e.propertyType]=o[e.propertyType]||0,o[e.propertyType]++}r.debug("prune: Complete.")}},exports.quantize=function(t){void 0===t&&(t=k);var n=s({},k,t);return function(t){var i=t.getLogger(),o=t.getRoot();t.createExtension(r.MeshQuantization).setRequired(!0);var a=void 0;"scene"===n.quantizationVolume&&(1!==o.listScenes().length?i.warn("[quantize]: quantizationVolume=scene requires exactly 1 scene."):a=e.bounds(o.listScenes().pop()));for(var s,u=l(t.getRoot().listMeshes());!(s=u()).done;){var f=s.value;if(f.listPrimitives().some(function(e){return e.getAttribute("JOINTS_0")}))i.warn(F+": Quantization for skinned mesh not yet implemented.");else{var c=G(f,a);c&&B(t,f,c);for(var g,p=l(f.listPrimitives());!(g=p()).done;){var d=g.value;q(t,d,c,n);for(var v,m=l(d.listTargets());!(v=m()).done;)q(t,v.value,c,n)}}}i.debug(F+": Complete.")}},exports.resample=function(t){void 0===t&&(t=W);var r=s({},W,t);return function(t){for(var n,i=new Set,o=t.getRoot().listAccessors().length,a=t.getLogger(),s=l(t.getRoot().listAnimations());!(n=s()).done;)for(var u,f=l(n.value.listSamplers());!(u=f()).done;){var c=u.value;"STEP"!==c.getInterpolation()&&"LINEAR"!==c.getInterpolation()||(i.add(c.getInput()),i.add(c.getOutput()),D(c,r))}for(var g=0,p=Array.from(i.values());g<p.length;g++){var d=p[g];d.listParents().find(function(t){return!(t instanceof e.Root)})||d.dispose()}t.getRoot().listAccessors().length>o&&a.warn('resample: Resampling required copying accessors, some of which may be duplicates. Consider using "dedup" to consolidate any duplicates.'),a.debug("resample: Complete.")}},exports.sequence=function(t){void 0===t&&(t=X);var r=s({},X,t);return function(t){var n=t.getLogger(),i=t.getRoot(),o=r.fps,a=i.listNodes().filter(function(e){return e.getName().match(r.pattern)});r.sort&&a.sort(function(e,t){return e.getName()>t.getName()?1:-1});var s=t.createAnimation(r.name),u=i.listBuffers()[0];a.forEach(function(r,n){var i,l;0===n?(i=[n/o,(n+1)/o],l=[1,1,1,0,0,0]):n===a.length-1?(i=[(n-1)/o,n/o],l=[0,0,0,1,1,1]):(i=[(n-1)/o,n/o,(n+1)/o],l=[0,0,0,1,1,1,0,0,0]);var f=t.createAccessor().setArray(new Float32Array(i)).setBuffer(u),c=t.createAccessor().setArray(new Float32Array(l)).setBuffer(u).setType(e.Accessor.Type.VEC3),g=t.createAnimationSampler().setInterpolation(e.AnimationSampler.Interpolation.STEP).setInput(f).setOutput(c),p=t.createAnimationChannel().setTargetNode(r).setTargetPath(e.AnimationChannel.TargetPath.SCALE).setSampler(g);s.addSampler(g).addChannel(p)}),n.debug("sequence: Complete.")}},exports.tangents=function(t){if(void 0===t&&(t=Z),!t.generateTangents)throw new Error(H+': generateTangents callback required — install "mikktspace".');var r=s({},Z,t);return function(t){for(var n,i=t.getLogger(),o=new Map,a=new Map,s=0,u=l(t.getRoot().listMeshes());!(n=u()).done;)for(var f=n.value,c=f.getName(),g=f.listPrimitives(),p=0;p<g.length;p++){var d=g[p];if(K(d,i,c,p,r.overwrite)){var v=d.getAttribute("POSITION").getArray(),m=d.getAttribute("NORMAL").getArray(),h=d.getAttribute("TEXCOORD_0").getArray(),y=o.get(v)||e.uuid();o.set(v,y);var A=o.get(m)||e.uuid();o.set(m,A);var b=o.get(h)||e.uuid();o.set(h,b);var S=d.getAttribute("TANGENT");S&&2===S.listParents().length&&S.dispose();var T=y+"|"+A+"|"+b,E=a.get(T);if(E)i.debug(H+": Found cache for primitive "+p+' of mesh "'+c+'".'),d.setAttribute("TANGENT",E),s++;else{i.debug(H+": Generating for primitive "+p+' of mesh "'+c+'".');for(var I=d.getAttribute("POSITION").getBuffer(),w=r.generateTangents(v instanceof Float32Array?v:new Float32Array(v),m instanceof Float32Array?m:new Float32Array(m),h instanceof Float32Array?h:new Float32Array(h)),R=3;R<w.length;R+=4)w[R]*=-1;E=t.createAccessor().setBuffer(I).setArray(w).setType("VEC4"),d.setAttribute("TANGENT",E),a.set(T,E),s++}}}s?i.debug(H+": Complete."):i.warn(H+": No qualifying primitives found. See debug output.")}},exports.textureResize=function(e){void 0===e&&(e=re);var r=s({},re,e);return function(e){try{var n=function(){o.debug(te+": Complete.")},o=e.getLogger(),s=function(e,t,r){if("function"==typeof e[Q]){var n,i,o,a=e[Q]();if(function e(r){try{for(;!(n=a.next()).done;)if((r=t(n.value))&&r.then){if(!$(r))return void r.then(e,o||(o=J.bind(null,i=new Y,2)));r=r.v}i?J(i,1,r):i=r}catch(e){J(i||(i=new Y),2,e)}}(),a.return){var s=function(e){try{n.done||a.return()}catch(e){}return e};if(i&&i.then)return i.then(s,function(e){throw s(e)});s()}return i}if(!("length"in e))throw new TypeError("Object is not iterable");for(var u=[],l=0;l<e.length;l++)u.push(e[l]);return function(e,t,r){var n,i,o=-1;return function r(a){try{for(;++o<e.length;)if((a=t(o))&&a.then){if(!$(a))return void a.then(r,i||(i=J.bind(null,n=new Y,2)));a=a.v}n?J(n,1,a):n=a}catch(e){J(n||(n=new Y),2,e)}}(),n}(u,function(e){return t(u[e])})}(e.getRoot().listTextures(),function(e){var n=e.getName(),s=e.getURI();if(!r.pattern||r.pattern.test(n)||r.pattern.test(s))if("image/png"===e.getMimeType()||"image/jpeg"===e.getMimeType()){var u=r.size,l=u[0],f=u[1],c=e.getSize(),g=c[0],p=c[1];if(!(g<=l&&p<=f)){var d=g,v=p;d>l&&(d=l,v=Math.floor(v*(d/g))),v>f&&(v=f,d=Math.floor(d*(v/p)));var m=new Uint8Array(e.getImage());return Promise.resolve(t.getPixels(m,e.getMimeType())).then(function(u){var l=a.default(new Uint8Array(d*v*4),[d,v,4]);o.debug(te+': Resizing "'+(s||n)+'", '+u.shape+" → "+l.shape+"...");try{r.filter===exports.TextureResizeFilter.LANCZOS3?i.lanczos3(u,l):i.lanczos2(u,l)}catch(e){return void o.warn(te+': Failed to resize "'+(s||n)+'": "'+e.message+'".')}var f=e.setImage;return Promise.resolve(t.savePixels(l,e.getMimeType())).then(function(t){f.call(e,t.buffer)})})}o.debug(te+': Skipping "'+(s||n)+'", within size range.')}else o.warn('Skipping unsupported texture type, "'+e.getMimeType()+'".')});return Promise.resolve(s&&s.then?s.then(n):n())}catch(e){return Promise.reject(e)}}},exports.unweld=function(e){return void 0===e&&(e=ne),s({},ne,e),function(e){for(var t,r=e.getLogger(),n=new Map,i=l(e.getRoot().listMeshes());!(t=i()).done;)for(var o,a=l(t.value.listPrimitives());!(o=a()).done;){var s=o.value,u=s.getIndices();if(u){for(var f,c=l(s.listAttributes());!(f=c()).done;){var g=f.value;s.swap(g,ie(g,u,r,n)),1===g.listParents().length&&g.dispose()}for(var p,d=l(s.listTargets());!(p=d()).done;)for(var v,m=p.value,h=l(m.listAttributes());!(v=h()).done;){var y=v.value;m.swap(y,ie(y,u,r,n)),1===y.listParents().length&&y.dispose()}s.setIndices(null),1===u.listParents().length&&u.dispose()}}r.debug("unweld: Complete.")}},exports.weld=function(e){void 0===e&&(e=oe);var t=s({},oe,e);return function(e){for(var r,n=e.getLogger(),i=l(e.getRoot().listMeshes());!(r=i()).done;)for(var o,a=l(r.value.listPrimitives());!(o=a()).done;){var s=o.value;0===t.tolerance?ae(e,s):se(e,s,t)}n.debug("weld: Complete.")}};
+var e=require("@gltf-transform/core"),t=require("ndarray-pixels"),r=require("@gltf-transform/extensions"),n=require("ndarray"),i=require("ndarray-lanczos");function o(e){return e&&"object"==typeof e&&"default"in e?e:{default:e}}var a=o(n);function s(){return(s=Object.assign||function(e){for(var t=1;t<arguments.length;t++){var r=arguments[t];for(var n in r)Object.prototype.hasOwnProperty.call(r,n)&&(e[n]=r[n])}return e}).apply(this,arguments)}function u(e,t){(null==t||t>e.length)&&(t=e.length);for(var r=0,n=new Array(t);r<t;r++)n[r]=e[r];return n}function l(e,t){var r;if("undefined"==typeof Symbol||null==e[Symbol.iterator]){if(Array.isArray(e)||(r=function(e,t){if(e){if("string"==typeof e)return u(e,t);var r=Object.prototype.toString.call(e).slice(8,-1);return"Object"===r&&e.constructor&&(r=e.constructor.name),"Map"===r||"Set"===r?Array.from(e):"Arguments"===r||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(r)?u(e,t):void 0}}(e))||t&&e&&"number"==typeof e.length){r&&(e=r);var n=0;return function(){return n>=e.length?{done:!0}:{done:!1,value:e[n++]}}}throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}return(r=e[Symbol.iterator]()).next.bind(r)}var f="center",c={pivot:"center"},g={propertyTypes:[e.PropertyType.ACCESSOR,e.PropertyType.MESH,e.PropertyType.TEXTURE]},p=function(e,r,n){try{if(!e)return Promise.resolve(null);var i=e.getImage();return i?Promise.resolve(t.getPixels(new Uint8Array(i),e.getMimeType())).then(function(e){for(var i=0;i<e.shape[0];++i)for(var o=0;o<e.shape[1];++o)n(e,i,o);return Promise.resolve(t.savePixels(e,"image/png")).then(function(e){return r.setImage(e.buffer).setMimeType("image/png")})}):Promise.resolve(null)}catch(e){return Promise.reject(e)}};function d(t){var r=t.getIndices(),n=t.getAttribute("POSITION");switch(t.getMode()){case e.Primitive.Mode.POINTS:return n.getCount();case e.Primitive.Mode.LINES:return r?r.getCount()/2:n.getCount()/2;case e.Primitive.Mode.LINE_LOOP:return n.getCount();case e.Primitive.Mode.LINE_STRIP:return n.getCount()-1;case e.Primitive.Mode.TRIANGLES:return r?r.getCount()/3:n.getCount()/3;case e.Primitive.Mode.TRIANGLE_STRIP:case e.Primitive.Mode.TRIANGLE_FAN:return n.getCount()-2;default:throw new Error("Unexpected mode: "+t.getMode())}}function v(t){return{properties:t.getRoot().listScenes().map(function(t){var r=t.listChildren()[0],n=e.bounds(t);return{name:t.getName(),rootName:r?r.getName():"",bboxMin:S(n.min),bboxMax:S(n.max)}})}}function m(e){return{properties:e.getRoot().listMeshes().map(function(e){var t=e.listParents().filter(function(e){return"Root"!==e.propertyType}).length,r=0,n=0,i=new Set,o=new Set,a=new Set;e.listPrimitives().forEach(function(e){for(var t,s=l(e.listSemantics());!(t=s()).done;){var u=t.value,f=e.getAttribute(u);i.add(u+":"+T(f.getArray())),a.add(f)}for(var c,g=l(e.listTargets());!(c=g()).done;)c.value.listAttributes().forEach(function(e){return a.add(e)});var p=e.getIndices();p&&(o.add(T(p.getArray())),a.add(p)),n+=e.listAttributes()[0].getCount(),r+=d(e)});var s=0;Array.from(a).forEach(function(e){return s+=e.getArray().byteLength});var u=e.listPrimitives().map(function(e){return b[e.getMode()]});return{name:e.getName(),mode:Array.from(new Set(u)),primitives:e.listPrimitives().length,glPrimitives:r,vertices:n,indices:Array.from(o).sort(),attributes:Array.from(i).sort(),instances:t,size:s}})}}function h(t){return{properties:t.getRoot().listMaterials().map(function(r){var n=r.listParents().filter(function(e){return"Root"!==e.propertyType}).length,i=new Set(r.listExtensions()),o=t.getGraph().getLinks().filter(function(t){var n=t.getChild(),o=t.getParent();return n instanceof e.Texture&&o===r||!!(n instanceof e.Texture&&o instanceof e.ExtensionProperty&&i.has(o))}).map(function(e){return e.getName()});return{name:r.getName(),instances:n,textures:o,alphaMode:r.getAlphaMode(),doubleSided:r.getDoubleSided()}})}}function y(t){return{properties:t.getRoot().listTextures().map(function(r){var n=r.listParents().filter(function(e){return"Root"!==e.propertyType}).length,i=t.getGraph().listParentLinks(r).map(function(e){return e.getName()}).filter(function(e){return"texture"!==e}),o=e.ImageUtils.getSize(r.getImage(),r.getMimeType());return{name:r.getName(),uri:r.getURI(),slots:Array.from(new Set(i)),instances:n,mimeType:r.getMimeType(),resolution:o?o.join("x"):"",size:r.getImage().byteLength,gpuSize:e.ImageUtils.getMemSize(r.getImage(),r.getMimeType())}})}}function A(e){return{properties:e.getRoot().listAnimations().map(function(e){var t=Infinity,r=-Infinity;e.listSamplers().forEach(function(e){var n=e.getInput();n&&(t=Math.min(t,n.getMin([])[0]),r=Math.max(r,n.getMax([])[0]))});var n=0,i=0,o=new Set;return e.listSamplers().forEach(function(e){var t=e.getInput(),r=e.getOutput();t&&(i+=t.getCount(),o.add(t),r&&o.add(r))}),Array.from(o).forEach(function(e){n+=e.getArray().byteLength}),{name:e.getName(),channels:e.listChannels().length,samplers:e.listSamplers().length,duration:Math.round(1e3*(r-t))/1e3,keyframes:i,size:n}})}}var b=["POINTS","LINES","LINE_LOOP","LINE_STRIP","TRIANGLES","TRIANGLE_STRIP","TRIANGLE_FAN"];function S(e){for(var t=0;t<e.length;t++)e[t].toFixed&&(e[t]=Number(e[t].toFixed(5)));return e}function T(e){return e.constructor.name.replace("Array","").toLowerCase()}var E="instance",I={};function w(t,r){for(var n,i=0;n=t.pop();)if(!(n.listChildren().length||n.getCamera()||n.getMesh()||n.getSkin()||n.listExtensions().length)){var o=n.getParent();o instanceof e.Node&&t.push(o),n.dispose(),i++}r.debug(E+": Removed "+i+" unused nodes.")}function R(e,t,r,n){var i=r.listPrimitives()[0].getAttribute("POSITION").getBuffer(),o=e.createAccessor().setType("VEC3").setArray(new Float32Array(3*n)).setBuffer(i),a=e.createAccessor().setType("VEC4").setArray(new Float32Array(4*n)).setBuffer(i),s=e.createAccessor().setType("VEC3").setArray(new Float32Array(3*n)).setBuffer(i);return t.createInstancedMesh().setAttribute("TRANSLATION",o).setAttribute("ROTATION",a).setAttribute("SCALE",s)}var N="undefined"!=typeof Symbol?Symbol.iterator||(Symbol.iterator=Symbol("Symbol.iterator")):"@@iterator";function P(e,t,r){if(!e.s){if(r instanceof M){if(!r.s)return void(r.o=P.bind(null,e,t));1&t&&(t=r.s),r=r.v}if(r&&r.then)return void r.then(P.bind(null,e,t),P.bind(null,e,2));e.s=t,e.v=r;var n=e.o;n&&n(e)}}var M=function(){function e(){}return e.prototype.then=function(t,r){var n=new e,i=this.s;if(i){var o=1&i?t:r;if(o){try{P(n,1,o(this.v))}catch(e){P(n,2,e)}return n}return this}return this.o=function(e){try{var i=e.v;1&e.s?P(n,1,t?t(i):i):r?P(n,1,r(i)):P(n,2,i)}catch(e){P(n,2,e)}},n},e}();function x(e){return e instanceof M&&1&e.s}var C={},O="partition",z={animations:!0,meshes:!0};function L(e,t){for(var r=e+".bin",n=1;t.has(r);)r=e+"_"+n+++".bin";return r}var U={},F="quantize",_=[Int8Array,Int16Array,Int32Array],k={excludeAttributes:[],quantizationVolume:"mesh",quantizePosition:14,quantizeNormal:10,quantizeTexcoord:12,quantizeColor:8,quantizeWeight:8,quantizeGeneric:12};function q(t,r,n,i){for(var o,a=t.getRoot(),s=t.getLogger(),u=n?n.nodeRemap:null,f=l(r.listSemantics());!(o=f()).done;){var c=o.value;if(!i.excludeAttributes.includes(c)){var g=r.getAttribute(c),p=V(c,g,s,i),d=p.bits,v=p.ctor;if(v){if(d<8||d>16)throw new Error(F+": Requires bits = 8–16.");if(!(g.getComponentSize()<=d/8)){var m=t.getGraph().listParentLinks(g).filter(function(e){return e.getParent()!==a}).map(function(e){return e.getName()});if(new Set(m).size>1)s.warn(F+": Skipping "+c+"; attribute usage conflict.");else{if("POSITION"===c){if(!u)throw new Error(F+": Failed precondition; missing node transform.");for(var h=0,y=[0,0,0],A=g.getCount();h<A;h++)g.setElement(h,u(g.getElement(h,y)))}j(g,v,d),g.setNormalized(!0)}}}}}if(r instanceof e.Primitive&&r.getIndices()&&r.listAttributes().length&&r.listAttributes()[0].getCount()<65535){var b=r.getIndices();b.setArray(new Uint16Array(b.getArray()))}}function G(e,t){var r=e.listPrimitives().map(function(e){return e.getAttribute("POSITION")});if(!r.some(function(e){return!!e}))return null;var n=[Infinity,Infinity,Infinity],i=[-Infinity,-Infinity,-Infinity];return t?(n=[].concat(t.min),i=[].concat(t.max)):function(e,t,r){for(var n=r[0].getElementSize(),i=0;i<n;i++)e[i]=Infinity;for(var o=0;o<n;o++)t[o]=-Infinity;for(var a,s=[],u=[],f=l(r);!(a=f()).done;){var c=a.value;c.getMinNormalized(s),c.getMaxNormalized(u);for(var g=0;g<n;g++)e[g]=Math.min(e[g],s[g]),t[g]=Math.max(t[g],u[g])}}(n,i,r),{nodeRemap:function(e){return[2*(e[0]-n[0])/(i[0]-n[0])-1,2*(e[1]-n[1])/(i[1]-n[1])-1,2*(e[2]-n[2])/(i[2]-n[2])-1]},nodeOffset:[n[0]+(i[0]-n[0])/2,n[1]+(i[1]-n[1])/2,n[2]+(i[2]-n[2])/2],nodeScale:[(i[0]-n[0])/2,(i[1]-n[1])/2,(i[2]-n[2])/2]}}function B(t,r,n){for(var i,o=n.nodeOffset||[0,0,0],a=n.nodeScale||[1,1,1],s=l(r.listParents());!(i=s()).done;){var u=i.value;if(u instanceof e.Node){var f=u.listChildren().length>0,c=!!u.listParents().find(function(t){return t instanceof e.Animation}),g=void 0;f||c?(g=t.createNode("").setMesh(r),u.addChild(g).setMesh(null)):g=u;var p=g.getTranslation(),d=g.getScale();g.setTranslation([p[0]+o[0],p[1]+o[1],p[2]+o[2]]).setScale([d[0]*a[0],d[1]*a[1],d[2]*a[2]])}}}function j(e,t,r){for(var n=new t(e.getArray().length),i=_.includes(t)?1:0,o=r-i,a=8*t.BYTES_PER_ELEMENT-i,s=Math.pow(2,o)-1,u=a-o,l=2*o-a,f=0,c=0,g=[];f<e.getCount();f++){e.getElement(f,g);for(var p=0;p<g.length;p++){var d=Math.round(Math.abs(g[p])*s);n[c++]=(d=d<<u|d>>l)*Math.sign(g[p])}}e.setArray(n)}function V(e,t,r,n){var i,o,a=t.getMinNormalized([]),s=t.getMinNormalized([]);if("POSITION"===e)o=(i=n.quantizePosition)<=8?Int8Array:Int16Array;else if("NORMAL"===e||"TANGENT"===e)o=(i=n.quantizeNormal)<=8?Int8Array:Int16Array;else if(e.startsWith("COLOR_"))o=(i=n.quantizeColor)<=8?Uint8Array:Uint16Array;else if(e.startsWith("TEXCOORD_")){if(a.some(function(e){return e<0})||s.some(function(e){return e>1}))return r.warn(F+": Skipping "+e+"; out of supported range."),{bits:-1};o=(i=n.quantizeTexcoord)<=8?Uint8Array:Uint16Array}else{if(e.startsWith("JOINTS_"))return o=(i=Math.max.apply(Math,t.getMax([]))<=255?8:16)<=8?Uint8Array:Uint16Array,t.getComponentSize()>i/8&&t.setArray(new o(t.getArray())),{bits:-1};if(e.startsWith("WEIGHTS_")){if(a.some(function(e){return e<0})||s.some(function(e){return e>1}))return r.warn(F+": Skipping "+e+"; out of supported range."),{bits:-1};o=(i=n.quantizeWeight)<=8?Uint8Array:Uint16Array}else{if(!e.startsWith("_"))throw new Error(F+': Unexpected semantic, "'+e+'".');if(a.some(function(e){return e<-1})||s.some(function(e){return e>1}))return r.warn(F+": Skipping "+e+"; out of supported range."),{bits:-1};i=n.quantizeGeneric,o=o=a.some(function(e){return e<0})?i<=8?Int8Array:Int16Array:i<=8?Uint8Array:Uint16Array}}return{bits:i,ctor:o}}var W={tolerance:1e-4};function D(e,t){if(["STEP","LINEAR"].includes(e.getInterpolation())){for(var r,n=e.getInput().clone(),i=e.getOutput().clone(),o=t.tolerance,a=n.getCount()-1,s=[],u=1,l=1;l<a;++l){var f=n.getScalar(l),c=n.getScalar(l-1),g=n.getScalar(l+1),p=(f-c)/(g-c),d=!1;if(f!==g&&(1!==l||f!==n.getScalar(0)))for(var v=0;v<i.getElementSize();v++){var m=i.getElement(l,s)[v],h=i.getElement(l-1,s)[v],y=i.getElement(l+1,s)[v];if("LINEAR"===e.getInterpolation()){if(Math.abs(m-(h*(1-(r=p))+y*r))>o){d=!0;break}}else if("STEP"===e.getInterpolation()&&(m!==h||m!==y)){d=!0;break}}d&&(l!==u&&(n.setScalar(u,n.getScalar(l)),i.setElement(u,i.getElement(l,s))),u++)}a>0&&(n.setScalar(u,n.getScalar(a)),i.setElement(u,i.getElement(a,s)),u++),u!==n.getCount()?(n.setArray(n.getArray().slice(0,u)),i.setArray(i.getArray().slice(0,u*i.getElementSize())),e.setInput(n),e.setOutput(i)):(n.dispose(),i.dispose())}}var X={name:"",fps:10,pattern:/.*/,sort:!0},H="tangents",Z={overwrite:!1};function K(t,r,n,i,o){return t.getMode()===e.Primitive.Mode.TRIANGLES&&t.getAttribute("POSITION")&&t.getAttribute("NORMAL")&&t.getAttribute("TEXCOORD_0")?t.getAttribute("TANGENT")&&!o?(r.debug(H+": Skipping primitive "+i+' of mesh "'+n+'": TANGENT found.'),!1):!t.getIndices()||(r.warn(H+": Skipping primitive "+i+' of mesh "'+n+'": primitives must be unwelded.'),!1):(r.debug(H+": Skipping primitive "+i+' of mesh "'+n+'": primitives must have attributes=[POSITION, NORMAL, TEXCOORD_0] and mode=TRIANGLES.'),!1)}var Q="undefined"!=typeof Symbol?Symbol.iterator||(Symbol.iterator=Symbol("Symbol.iterator")):"@@iterator";function J(e,t,r){if(!e.s){if(r instanceof Y){if(!r.s)return void(r.o=J.bind(null,e,t));1&t&&(t=r.s),r=r.v}if(r&&r.then)return void r.then(J.bind(null,e,t),J.bind(null,e,2));e.s=t,e.v=r;var n=e.o;n&&n(e)}}var Y=function(){function e(){}return e.prototype.then=function(t,r){var n=new e,i=this.s;if(i){var o=1&i?t:r;if(o){try{J(n,1,o(this.v))}catch(e){J(n,2,e)}return n}return this}return this.o=function(e){try{var i=e.v;1&e.s?J(n,1,t?t(i):i):r?J(n,1,r(i)):J(n,2,i)}catch(e){J(n,2,e)}},n},e}();function $(e){return e instanceof Y&&1&e.s}var ee,te="textureResize";(ee=exports.TextureResizeFilter||(exports.TextureResizeFilter={})).LANCZOS3="lanczos3",ee.LANCZOS2="lanczos2";var re={size:[2048,2048],filter:exports.TextureResizeFilter.LANCZOS3,pattern:null},ne={};function ie(e,t,r,n){if(n.has(e)&&n.get(e).has(t))return r.debug('unweld: Cache hit for reused attribute, "'+e.getName()+'".'),n.get(e).get(t);var i=e.clone(),o=e.getArray().constructor;i.setArray(new o(t.getCount()*e.getElementSize()));for(var a=[],s=0;s<t.getCount();s++)i.setElement(s,e.getElement(t.getScalar(s),a));return n.has(e)||n.set(e,new Map),n.get(e).set(t,i),i}var oe={tolerance:1e-4};function ae(t,r){if(!r.getIndices()){for(var n=r.listAttributes()[0],i=n.getCount(),o=n.getBuffer(),a=i<=65534?new Uint16Array(3*d(r)):new Uint32Array(3*d(r)),s=t.createAccessor().setBuffer(o).setType(e.Accessor.Type.SCALAR).setArray(a),u=0;u<s.getCount();u++)s.setScalar(u,u);r.setIndices(s)}}function se(e,t,r){var n=Math.max(r.tolerance,Number.EPSILON),i=Math.log10(1/n),o=Math.pow(10,i),a={},s=t.getIndices(),u=s?s.getCount():t.listAttributes()[0].getCount(),f=new Map;t.listAttributes().forEach(function(e){return f.set(e,[])}),t.listTargets().forEach(function(e){e.listAttributes().forEach(function(e){return f.set(e,[])})});for(var c=[],g=0,p=0;p<u;p++){for(var d,v=s?s.getScalar(p):p,m=[],h=[],y=l(t.listAttributes());!(d=y()).done;)for(var A=d.value,b=0;b<A.getElementSize();b++)m.push(~~(A.getElement(v,h)[b]*o));var S=m.join("|");if(S in a)c.push(a[S]);else{for(var T,E=l(t.listAttributes());!(T=E()).done;){var I=T.value;f.get(I).push(I.getElement(v,[]))}for(var w,R=l(t.listTargets());!(w=R()).done;)for(var N,P=l(w.value.listAttributes());!(N=P()).done;){var M=N.value;f.get(M).push(M.getElement(v,[]))}a[S]=g,c.push(g),g++}}var x=t.listAttributes()[0].getCount(),C=f.get(t.getAttribute("POSITION")).length;e.getLogger().debug("weld: "+x+" → "+C+" vertices.");for(var O,z=l(t.listAttributes());!(O=z()).done;){var L=O.value;le(t,L,f.get(L)),1===L.listParents().length&&L.dispose()}for(var U,F=l(t.listTargets());!(U=F()).done;)for(var _,k=U.value,q=l(k.listAttributes());!(_=q()).done;){var G=_.value;le(k,G,f.get(G)),1===G.listParents().length&&G.dispose()}if(s){var B=ue(s.getArray(),c.length);B.set(c),t.setIndices(s.clone().setArray(B)),1===s.listParents().length&&s.dispose()}else{var j=x<=65534?new Uint16Array(c):new Uint32Array(c);t.setIndices(e.createAccessor().setArray(j))}}function ue(e,t){return new(0,e.constructor)(t)}function le(e,t,r){for(var n=r.length*t.getElementSize(),i=ue(t.getArray(),n),o=t.clone().setArray(i),a=0;a<r.length;a++)o.setElement(a,r[a]);e.swap(t,o)}Object.defineProperty(exports,"bounds",{enumerable:!0,get:function(){return e.bounds}}),exports.QUANTIZE_DEFAULTS=k,exports.TEXTURE_RESIZE_DEFAULTS=re,exports.center=function(t){void 0===t&&(t=c);var r=s({},c,t);return function(t){var n=t.getLogger(),i=t.getRoot(),o=i.listAnimations().length>0||i.listSkins().length>0;t.getRoot().listScenes().forEach(function(a,s){var u;if(n.debug(f+": Scene "+(s+1)+" / "+i.listScenes().length+"."),"string"==typeof r.pivot){var l=e.bounds(a);u=[(l.max[0]-l.min[0])/2+l.min[0],(l.max[1]-l.min[1])/2+l.min[1],(l.max[2]-l.min[2])/2+l.min[2]],"above"===r.pivot&&(u[1]=l.max[1]),"below"===r.pivot&&(u[1]=l.min[1])}else u=r.pivot;n.debug(f+': Pivot "'+u.join(", ")+'".');var c=[-1*u[0],-1*u[1],-1*u[2]];if(o){n.debug(f+": Model contains animation or skin. Adding a wrapper node.");var g=t.createNode("Pivot").setTranslation(c);a.listChildren().forEach(function(e){return g.addChild(e)}),a.addChild(g)}else n.debug(f+": Skipping wrapper, offsetting all root nodes."),a.listChildren().forEach(function(e){var t=e.getTranslation();e.setTranslation([t[0]+c[0],t[1]+c[1],t[2]+c[2]])})}),n.debug(f+": Complete.")}},exports.colorspace=function(e){return function(t){var r=t.getLogger();if("linear"!==e.inputEncoding)if("sRGB"===e.inputEncoding){var n=new Set;t.getRoot().listMeshes().forEach(function(e){return e.listPrimitives().forEach(o)}),r.debug("colorspace: Complete.")}else r.error('colorspace: Unknown input encoding "'+e.inputEncoding+'" – should be "sRGB" or "linear". Skipping conversion.');else r.info("colorspace: Vertex colors already linear. Skipping conversion.");function i(e){return e<.04045?.0773993808*e:Math.pow(.9478672986*e+.0521327014,2.4)}function o(e){for(var t,r=[0,0,0],o=0;t=e.getAttribute("COLOR_"+o);o++)if(!n.has(t)){for(var a=0;a<t.getCount();a++)t.getElement(a,r),r[0]=i(r[0]),r[1]=i(r[1]),r[2]=i(r[2]),t.setElement(a,r);n.add(t)}}}},exports.dedup=function(t){void 0===t&&(t=g);for(var r,n=s({},g,t),i=new Set(n.propertyTypes),o=l(n.propertyTypes);!(r=o()).done;){var a=r.value;if(!g.propertyTypes.includes(a))throw new Error('dedup: Unsupported deduplication on type "'+a+'".')}return function(t){var r=t.getLogger();i.has(e.PropertyType.ACCESSOR)&&function(t,r){var n=new Set,i=new Set,o=r.getRoot().listMeshes();function a(t){for(var r=new Map,n=0;n<t.length;n++){var i=t[n],o=i.getArray().slice().buffer;if(!r.has(i))for(var a=0;a<t.length;a++){var s=t[a];i!==s&&(r.has(s)||i.getType()===s.getType()&&i.getComponentType()===s.getComponentType()&&i.getCount()===s.getCount()&&i.getNormalized()===s.getNormalized()&&e.BufferUtils.equals(o,s.getArray().slice().buffer)&&r.set(s,i))}}return r}o.forEach(function(e){e.listPrimitives().forEach(function(e){e.listAttributes().forEach(function(e){return i.add(e)});var t=e.getIndices();t&&n.add(t)})});var s=a(Array.from(n));t.debug("dedup: Found "+s.size+" duplicates among "+n.size+" indices.");var u=a(Array.from(i));t.debug("dedup: Found "+u.size+" duplicates among "+i.size+" attributes."),o.forEach(function(e){e.listPrimitives().forEach(function(e){e.listAttributes().forEach(function(t){u.has(t)&&e.swap(t,u.get(t))});var t=e.getIndices();t&&s.has(t)&&e.swap(t,s.get(t))})}),Array.from(s.keys()).forEach(function(e){return e.dispose()}),Array.from(u.keys()).forEach(function(e){return e.dispose()})}(r,t),i.has(e.PropertyType.MESH)&&function(t,r){var n=r.getRoot(),i=new Map;n.listAccessors().forEach(function(e,t){i.set(e,t)});for(var o,a=n.listMeshes().length,s=new Map,u=function(){for(var t,r=o.value,n=[],a=l(r.listPrimitives());!(t=a()).done;){for(var u,f=t.value,c=[],g=l(f.listSemantics());!(u=g()).done;){var p=u.value,d=f.getAttribute(p);c.push(p+":"+i.get(d))}var v=f.getIndices();v&&c.push("indices:"+i.get(v)),n.push(c.join(","))}var m=n.join(";");if(s.has(m)){var h=s.get(m);r.listParents().forEach(function(t){t.propertyType!==e.PropertyType.ROOT&&t.swap(r,h)}),r.dispose()}else s.set(m,r)},f=l(n.listMeshes());!(o=f()).done;)u();t.debug("dedup: Found "+(a-s.size)+" duplicates among "+a+" meshes.")}(r,t),i.has(e.PropertyType.TEXTURE)&&function(t,r){for(var n=r.getRoot(),i=n.listTextures(),o=new Map,a=0;a<i.length;a++){var s=i[a],u=s.getImage();if(!o.has(s))for(var l=0;l<i.length;l++){var f=i[l],c=f.getImage();if(s!==f&&!o.has(f)&&s.getMimeType()===f.getMimeType()){var g=s.getSize(),p=f.getSize();g&&p&&g[0]===p[0]&&g[1]===p[1]&&u&&c&&e.BufferUtils.equals(u,c)&&o.set(f,s)}}}t.debug("dedup: Found "+o.size+" duplicates among "+n.listTextures().length+" textures."),Array.from(o.entries()).forEach(function(t){var r=t[0],n=t[1];r.listParents().forEach(function(t){t instanceof e.Material&&t.swap(r,n)}),r.dispose()})}(r,t),r.debug("dedup: Complete.")}},exports.inspect=function(e){return{scenes:v(e),meshes:m(e),materials:h(e),textures:y(e),animations:A(e)}},exports.instance=function(t){return void 0===t&&(t=I),s({},I,t),function(t){var n=t.getLogger(),i=t.getRoot(),o=t.createExtension(r.MeshGPUInstancing);if(i.listAnimations().length)throw new Error(E+": Instancing is not currently supported for animated models.");for(var a,s=0,u=0,f=function(){var r=a.value,i=new Map;r.traverse(function(e){var t=e.getMesh();t&&i.set(t,(i.get(t)||new Set).add(e))});for(var l=[],f=0,c=Array.from(i.keys());f<c.length;f++){var g=c[f],p=Array.from(i.get(g));if(!(p.length<2||p.some(function(e){return e.getSkin()}))){var d=R(t,o,g,p.length),v=d.getAttribute("TRANSLATION"),m=d.getAttribute("ROTATION"),h=d.getAttribute("SCALE"),y=t.createNode().setMesh(g).setExtension("EXT_mesh_gpu_instancing",d);r.addChild(y);for(var A=!1,b=!1,S=!1,T=0;T<p.length;T++){var E,I,N,P=p[T];v.setElement(T,E=P.getWorldTranslation()),m.setElement(T,I=P.getWorldRotation()),h.setElement(T,N=P.getWorldScale()),e.MathUtils.eq(E,[0,0,0])||(A=!0),e.MathUtils.eq(I,[0,0,0,1])||(b=!0),e.MathUtils.eq(N,[1,1,1])||(S=!0),P.setMesh(null),l.push(P)}A||v.dispose(),b||m.dispose(),S||h.dispose(),w(l,n),s++,u+=p.length}}},c=l(i.listScenes());!(a=c()).done;)f();s>0?n.info(E+": Created "+s+" batches, with "+u+" total instances."):(n.info(E+": No meshes with multiple parent nodes were found."),o.dispose()),n.debug(E+": Complete.")}},exports.metalRough=function(e){return void 0===e&&(e=C),s({},C,e),function(e){try{var t=function(){s.dispose();for(var e,t=l(u);!(e=t()).done;){var r=e.value;r&&1===r.listParents().length&&r.dispose()}n.debug("metalRough: Complete.")},n=e.getLogger(),i=r.MaterialsPBRSpecularGlossiness.EXTENSION_NAME;if(!e.getRoot().listExtensionsUsed().map(function(e){return e.extensionName}).includes(i))return n.warn("metalRough: Extension "+i+" not found on given document."),Promise.resolve();var o=e.createExtension(r.MaterialsIOR),a=e.createExtension(r.MaterialsSpecular),s=e.createExtension(r.MaterialsPBRSpecularGlossiness),u=new Set,f=function(e,t,r){if("function"==typeof e[N]){var n,i,o,a=e[N]();if(function e(r){try{for(;!(n=a.next()).done;)if((r=t(n.value))&&r.then){if(!x(r))return void r.then(e,o||(o=P.bind(null,i=new M,2)));r=r.v}i?P(i,1,r):i=r}catch(e){P(i||(i=new M),2,e)}}(),a.return){var s=function(e){try{n.done||a.return()}catch(e){}return e};if(i&&i.then)return i.then(s,function(e){throw s(e)});s()}return i}if(!("length"in e))throw new TypeError("Object is not iterable");for(var u=[],l=0;l<e.length;l++)u.push(e[l]);return function(e,t,r){var n,i,o=-1;return function r(a){try{for(;++o<e.length;)if((a=t(o))&&a.then){if(!x(a))return void a.then(r,i||(i=P.bind(null,n=new M,2)));a=a.v}n?P(n,1,a):n=a}catch(e){P(n||(n=new M),2,e)}}(),n}(u,function(e){return t(u[e])})}(e.getRoot().listMaterials(),function(t){function r(){t.setExtension("KHR_materials_pbrSpecularGlossiness",null)}var n=t.getExtension("KHR_materials_pbrSpecularGlossiness");if(n){var i=a.createSpecular().setSpecularFactor(1).setSpecularColorFactor(n.getSpecularFactor());u.add(n.getSpecularGlossinessTexture()),u.add(t.getBaseColorTexture()),u.add(t.getMetallicRoughnessTexture()),t.setBaseColorFactor(n.getDiffuseFactor()).setMetallicFactor(0).setRoughnessFactor(1).setExtension("KHR_materials_ior",o.createIOR().setIOR(1e3)).setExtension("KHR_materials_specular",i);var s=n.getDiffuseTexture();s&&(t.setBaseColorTexture(s),t.getBaseColorTextureInfo().copy(n.getDiffuseTextureInfo()));var l=n.getSpecularGlossinessTexture(),f=function(){if(l){var r=n.getSpecularGlossinessTextureInfo(),o=e.createTexture();return Promise.resolve(p(l,o,function(e,t,r){e.set(t,r,3,255)})).then(function(){i.setSpecularTexture(o),i.getSpecularTextureInfo().copy(r);var a=n.getGlossinessFactor(),s=e.createTexture();return Promise.resolve(p(l,s,function(e,t,r){var n=255-Math.round(e.get(t,r,3)*a);e.set(t,r,0,0),e.set(t,r,1,n),e.set(t,r,2,0),e.set(t,r,3,255)})).then(function(){t.setMetallicRoughnessTexture(s),t.getMetallicRoughnessTextureInfo().copy(r)})})}i.setSpecularColorFactor(n.getSpecularFactor()),t.setRoughnessFactor(1-n.getGlossinessFactor())}();return f&&f.then?f.then(r):r()}});return Promise.resolve(f&&f.then?f.then(t):t())}catch(e){return Promise.reject(e)}}},exports.partition=function(e){void 0===e&&(e=z);var t=s({},z,e);return function(e){var r=e.getLogger();!1!==t.meshes&&function(e,t,r){var n=new Set(e.getRoot().listBuffers().map(function(e){return e.getURI()}));e.getRoot().listMeshes().forEach(function(i,o){if(!Array.isArray(r.meshes)||r.meshes.includes(i.getName())){t.debug(O+': Creating buffer for mesh "'+i.getName()+'".');var a=e.createBuffer(i.getName()).setURI(L(i.getName()||"mesh",n));i.listPrimitives().forEach(function(e){var t=e.getIndices();t&&t.setBuffer(a),e.listAttributes().forEach(function(e){return e.setBuffer(a)}),e.listTargets().forEach(function(e){e.listAttributes().forEach(function(e){return e.setBuffer(a)})})})}else t.debug(O+": Skipping mesh #"+o+' with name "'+i.getName()+'".')})}(e,r,t),!1!==t.animations&&function(e,t,r){var n=new Set(e.getRoot().listBuffers().map(function(e){return e.getURI()}));e.getRoot().listAnimations().forEach(function(i,o){if(!Array.isArray(r.animations)||r.animations.includes(i.getName())){t.debug(O+': Creating buffer for animation "'+i.getName()+'".');var a=e.createBuffer(i.getName()).setURI(L(i.getName()||"animation",n));i.listSamplers().forEach(function(e){var t=e.getInput(),r=e.getOutput();t&&t.setBuffer(a),r&&r.setBuffer(a)})}else t.debug(O+": Skipping animation #"+o+' with name "'+i.getName()+'".')})}(e,r,t),t.meshes||t.animations||r.warn(O+": Select animations or meshes to create a partition."),r.debug(O+": Complete.")}},exports.prune=function(t){return void 0===t&&(t=U),s({},U,t),function(t){var r=t.getLogger(),n=t.getRoot(),i=t.getGraph(),o={};n.listNodes().forEach(v),n.listSkins().forEach(v),n.listMeshes().forEach(v),n.listCameras().forEach(v),m(i,e.PropertyType.PRIMITIVE),m(i,e.PropertyType.PRIMITIVE_TARGET);for(var a,s=l(n.listAnimations());!(a=s()).done;){for(var u,f=a.value,c=l(f.listChannels());!(u=c()).done;){var g=u.value;g.getTargetNode()||(g.dispose(),h(g))}if(f.listChannels().length)f.listSamplers().forEach(v);else{var p=f.listSamplers();v(f),p.forEach(v)}}if(n.listMaterials().forEach(v),n.listTextures().forEach(v),n.listAccessors().forEach(v),n.listBuffers().forEach(v),Object.keys(o).length){var d=Object.keys(o).map(function(e){return e+" ("+o[e]+")"}).join(", ");r.info("prune: Removed types... "+d)}else r.info("prune: No unused properties found.");function v(t){t.listParents().filter(function(t){return!(t instanceof e.Root||t instanceof e.AnimationChannel)}).length||(t.dispose(),h(t))}function m(e,t){e.getLinks().map(function(e){return e.getParent()}).filter(function(e){return e.propertyType===t}).forEach(v)}function h(e){o[e.propertyType]=o[e.propertyType]||0,o[e.propertyType]++}r.debug("prune: Complete.")}},exports.quantize=function(t){void 0===t&&(t=k);var n=s({},k,t);return function(t){var i=t.getLogger(),o=t.getRoot();t.createExtension(r.MeshQuantization).setRequired(!0);var a=void 0;"scene"===n.quantizationVolume&&(1!==o.listScenes().length?i.warn("[quantize]: quantizationVolume=scene requires exactly 1 scene."):a=e.bounds(o.listScenes().pop()));for(var s,u=l(t.getRoot().listMeshes());!(s=u()).done;){var f=s.value;if(f.listPrimitives().some(function(e){return e.getAttribute("JOINTS_0")}))i.warn(F+": Quantization for skinned mesh not yet implemented.");else{var c=G(f,a);c&&B(t,f,c);for(var g,p=l(f.listPrimitives());!(g=p()).done;){var d=g.value;q(t,d,c,n);for(var v,m=l(d.listTargets());!(v=m()).done;)q(t,v.value,c,n)}}}i.debug(F+": Complete.")}},exports.resample=function(t){void 0===t&&(t=W);var r=s({},W,t);return function(t){for(var n,i=new Set,o=t.getRoot().listAccessors().length,a=t.getLogger(),s=l(t.getRoot().listAnimations());!(n=s()).done;)for(var u,f=l(n.value.listSamplers());!(u=f()).done;){var c=u.value;"STEP"!==c.getInterpolation()&&"LINEAR"!==c.getInterpolation()||(i.add(c.getInput()),i.add(c.getOutput()),D(c,r))}for(var g=0,p=Array.from(i.values());g<p.length;g++){var d=p[g];d.listParents().find(function(t){return!(t instanceof e.Root)})||d.dispose()}t.getRoot().listAccessors().length>o&&a.warn('resample: Resampling required copying accessors, some of which may be duplicates. Consider using "dedup" to consolidate any duplicates.'),a.debug("resample: Complete.")}},exports.sequence=function(t){void 0===t&&(t=X);var r=s({},X,t);return function(t){var n=t.getLogger(),i=t.getRoot(),o=r.fps,a=i.listNodes().filter(function(e){return e.getName().match(r.pattern)});r.sort&&a.sort(function(e,t){return e.getName()>t.getName()?1:-1});var s=t.createAnimation(r.name),u=i.listBuffers()[0];a.forEach(function(r,n){var i,l;0===n?(i=[n/o,(n+1)/o],l=[1,1,1,0,0,0]):n===a.length-1?(i=[(n-1)/o,n/o],l=[0,0,0,1,1,1]):(i=[(n-1)/o,n/o,(n+1)/o],l=[0,0,0,1,1,1,0,0,0]);var f=t.createAccessor().setArray(new Float32Array(i)).setBuffer(u),c=t.createAccessor().setArray(new Float32Array(l)).setBuffer(u).setType(e.Accessor.Type.VEC3),g=t.createAnimationSampler().setInterpolation(e.AnimationSampler.Interpolation.STEP).setInput(f).setOutput(c),p=t.createAnimationChannel().setTargetNode(r).setTargetPath(e.AnimationChannel.TargetPath.SCALE).setSampler(g);s.addSampler(g).addChannel(p)}),n.debug("sequence: Complete.")}},exports.tangents=function(t){if(void 0===t&&(t=Z),!t.generateTangents)throw new Error(H+': generateTangents callback required — install "mikktspace".');var r=s({},Z,t);return function(t){for(var n,i=t.getLogger(),o=new Map,a=new Map,s=0,u=l(t.getRoot().listMeshes());!(n=u()).done;)for(var f=n.value,c=f.getName(),g=f.listPrimitives(),p=0;p<g.length;p++){var d=g[p];if(K(d,i,c,p,r.overwrite)){var v=d.getAttribute("POSITION").getArray(),m=d.getAttribute("NORMAL").getArray(),h=d.getAttribute("TEXCOORD_0").getArray(),y=o.get(v)||e.uuid();o.set(v,y);var A=o.get(m)||e.uuid();o.set(m,A);var b=o.get(h)||e.uuid();o.set(h,b);var S=d.getAttribute("TANGENT");S&&2===S.listParents().length&&S.dispose();var T=y+"|"+A+"|"+b,E=a.get(T);if(E)i.debug(H+": Found cache for primitive "+p+' of mesh "'+c+'".'),d.setAttribute("TANGENT",E),s++;else{i.debug(H+": Generating for primitive "+p+' of mesh "'+c+'".');for(var I=d.getAttribute("POSITION").getBuffer(),w=r.generateTangents(v instanceof Float32Array?v:new Float32Array(v),m instanceof Float32Array?m:new Float32Array(m),h instanceof Float32Array?h:new Float32Array(h)),R=3;R<w.length;R+=4)w[R]*=-1;E=t.createAccessor().setBuffer(I).setArray(w).setType("VEC4"),d.setAttribute("TANGENT",E),a.set(T,E),s++}}}s?i.debug(H+": Complete."):i.warn(H+": No qualifying primitives found. See debug output.")}},exports.textureResize=function(e){void 0===e&&(e=re);var r=s({},re,e);return function(e){try{var n=function(){o.debug(te+": Complete.")},o=e.getLogger(),s=function(e,t,r){if("function"==typeof e[Q]){var n,i,o,a=e[Q]();if(function e(r){try{for(;!(n=a.next()).done;)if((r=t(n.value))&&r.then){if(!$(r))return void r.then(e,o||(o=J.bind(null,i=new Y,2)));r=r.v}i?J(i,1,r):i=r}catch(e){J(i||(i=new Y),2,e)}}(),a.return){var s=function(e){try{n.done||a.return()}catch(e){}return e};if(i&&i.then)return i.then(s,function(e){throw s(e)});s()}return i}if(!("length"in e))throw new TypeError("Object is not iterable");for(var u=[],l=0;l<e.length;l++)u.push(e[l]);return function(e,t,r){var n,i,o=-1;return function r(a){try{for(;++o<e.length;)if((a=t(o))&&a.then){if(!$(a))return void a.then(r,i||(i=J.bind(null,n=new Y,2)));a=a.v}n?J(n,1,a):n=a}catch(e){J(n||(n=new Y),2,e)}}(),n}(u,function(e){return t(u[e])})}(e.getRoot().listTextures(),function(e){var n=e.getName(),s=e.getURI();if(!r.pattern||r.pattern.test(n)||r.pattern.test(s))if("image/png"===e.getMimeType()||"image/jpeg"===e.getMimeType()){var u=r.size,l=u[0],f=u[1],c=e.getSize(),g=c[0],p=c[1];if(!(g<=l&&p<=f)){var d=g,v=p;d>l&&(d=l,v=Math.floor(v*(d/g))),v>f&&(v=f,d=Math.floor(d*(v/p)));var m=new Uint8Array(e.getImage());return Promise.resolve(t.getPixels(m,e.getMimeType())).then(function(u){var l=a.default(new Uint8Array(d*v*4),[d,v,4]);o.debug(te+': Resizing "'+(s||n)+'", '+u.shape+" → "+l.shape+"...");try{r.filter===exports.TextureResizeFilter.LANCZOS3?i.lanczos3(u,l):i.lanczos2(u,l)}catch(e){return void o.warn(te+': Failed to resize "'+(s||n)+'": "'+e.message+'".')}var f=e.setImage;return Promise.resolve(t.savePixels(l,e.getMimeType())).then(function(t){f.call(e,t.buffer)})})}o.debug(te+': Skipping "'+(s||n)+'", within size range.')}else o.warn('Skipping unsupported texture type, "'+e.getMimeType()+'".')});return Promise.resolve(s&&s.then?s.then(n):n())}catch(e){return Promise.reject(e)}}},exports.unweld=function(e){return void 0===e&&(e=ne),s({},ne,e),function(e){for(var t,r=e.getLogger(),n=new Map,i=l(e.getRoot().listMeshes());!(t=i()).done;)for(var o,a=l(t.value.listPrimitives());!(o=a()).done;){var s=o.value,u=s.getIndices();if(u){for(var f,c=l(s.listAttributes());!(f=c()).done;){var g=f.value;s.swap(g,ie(g,u,r,n)),1===g.listParents().length&&g.dispose()}for(var p,d=l(s.listTargets());!(p=d()).done;)for(var v,m=p.value,h=l(m.listAttributes());!(v=h()).done;){var y=v.value;m.swap(y,ie(y,u,r,n)),1===y.listParents().length&&y.dispose()}s.setIndices(null),1===u.listParents().length&&u.dispose()}}r.debug("unweld: Complete.")}},exports.weld=function(e){void 0===e&&(e=oe);var t=s({},oe,e);return function(e){for(var r,n=e.getLogger(),i=l(e.getRoot().listMeshes());!(r=i()).done;)for(var o,a=l(r.value.listPrimitives());!(o=a()).done;){var s=o.value;0===t.tolerance?ae(e,s):se(e,s,t)}n.debug("weld: Complete.")}};
 //# sourceMappingURL=functions.js.map

dist/functions.modern.js

@@ -1,2 +0,2 @@
-import{bounds as e,PropertyType as t,BufferUtils as n,Material as s,Primitive as o,Texture as r,ExtensionProperty as i,ImageUtils as a,MathUtils as c,Node as l,Root as g,AnimationChannel as u,Animation as f,Accessor as p,AnimationSampler as m,uuid as d}from"@gltf-transform/core";export{bounds}from"@gltf-transform/core";import{getPixels as h,savePixels as A}from"ndarray-pixels";import{MeshGPUInstancing as y,MaterialsIOR as E,MaterialsSpecular as S,MaterialsPBRSpecularGlossiness as T,MeshQuantization as b}from"@gltf-transform/extensions";import I from"ndarray";import{lanczos3 as N,lanczos2 as w}from"ndarray-lanczos";function R(){return(R=Object.assign||function(e){for(var t=1;t<arguments.length;t++){var n=arguments[t];for(var s in n)Object.prototype.hasOwnProperty.call(n,s)&&(e[s]=n[s])}return e}).apply(this,arguments)}const M={pivot:"center"};function C(t=M){const n=R({},M,t);return t=>{const s=t.getLogger(),o=t.getRoot(),r=o.listAnimations().length>0||o.listSkins().length>0;t.getRoot().listScenes().forEach((i,a)=>{let c;if(s.debug(`center: Scene ${a+1} / ${o.listScenes().length}.`),"string"==typeof n.pivot){const t=e(i);c=[(t.max[0]-t.min[0])/2+t.min[0],(t.max[1]-t.min[1])/2+t.min[1],(t.max[2]-t.min[2])/2+t.min[2]],"above"===n.pivot&&(c[1]=t.max[1]),"below"===n.pivot&&(c[1]=t.min[1])}else c=n.pivot;s.debug(`center: Pivot "${c.join(", ")}".`);const l=[-1*c[0],-1*c[1],-1*c[2]];if(r){s.debug("center: Model contains animation or skin. Adding a wrapper node.");const e=t.createNode("Pivot").setTranslation(l);i.listChildren().forEach(t=>e.addChild(t)),i.addChild(e)}else s.debug("center: Skipping wrapper, offsetting all root nodes."),i.listChildren().forEach(e=>{const t=e.getTranslation();e.setTranslation([t[0]+l[0],t[1]+l[1],t[2]+l[2]])})}),s.debug("center: Complete.")}}function O(e){return t=>{const n=t.getLogger();if("linear"===e.inputEncoding)return void n.info("colorspace: Vertex colors already linear. Skipping conversion.");if("sRGB"!==e.inputEncoding)return void n.error(`colorspace: Unknown input encoding "${e.inputEncoding}" – should be "sRGB" or "linear". Skipping conversion.`);const s=new Set;function o(e){return e<.04045?.0773993808*e:Math.pow(.9478672986*e+.0521327014,2.4)}function r(e){const t=[0,0,0];let n;for(let r=0;n=e.getAttribute(`COLOR_${r}`);r++)if(!s.has(n)){for(let e=0;e<n.getCount();e++)n.getElement(e,t),t[0]=o(t[0]),t[1]=o(t[1]),t[2]=o(t[2]),n.setElement(e,t);s.add(n)}}t.getRoot().listMeshes().forEach(e=>e.listPrimitives().forEach(r)),n.debug("colorspace: Complete.")}}const x={propertyTypes:[t.ACCESSOR,t.MESH,t.TEXTURE]},P=function(e=x){const o=R({},x,e),r=new Set(o.propertyTypes);for(const e of o.propertyTypes)if(!x.propertyTypes.includes(e))throw new Error(`dedup: Unsupported deduplication on type "${e}".`);return e=>{const o=e.getLogger();r.has(t.ACCESSOR)&&function(e,t){const s=new Set,o=new Set,r=t.getRoot().listMeshes();function i(e){const t=new Map;for(let s=0;s<e.length;s++){const o=e[s],r=o.getArray().slice().buffer;if(!t.has(o))for(let s=0;s<e.length;s++){const i=e[s];o!==i&&(t.has(i)||o.getType()===i.getType()&&o.getComponentType()===i.getComponentType()&&o.getCount()===i.getCount()&&o.getNormalized()===i.getNormalized()&&n.equals(r,i.getArray().slice().buffer)&&t.set(i,o))}}return t}r.forEach(e=>{e.listPrimitives().forEach(e=>{e.listAttributes().forEach(e=>o.add(e));const t=e.getIndices();t&&s.add(t)})});const a=i(Array.from(s));e.debug(`dedup: Found ${a.size} duplicates among ${s.size} indices.`);const c=i(Array.from(o));e.debug(`dedup: Found ${c.size} duplicates among ${o.size} attributes.`),r.forEach(e=>{e.listPrimitives().forEach(e=>{e.listAttributes().forEach(t=>{c.has(t)&&e.swap(t,c.get(t))});const t=e.getIndices();t&&a.has(t)&&e.swap(t,a.get(t))})}),Array.from(a.keys()).forEach(e=>e.dispose()),Array.from(c.keys()).forEach(e=>e.dispose())}(o,e),r.has(t.MESH)&&function(e,n){const s=n.getRoot(),o=new Map;s.listAccessors().forEach((e,t)=>{o.set(e,t)});const r=s.listMeshes().length,i=new Map;for(const e of s.listMeshes()){const n=[];for(const t of e.listPrimitives()){const e=[];for(const n of t.listSemantics()){const s=t.getAttribute(n);e.push(n+":"+o.get(s))}const s=t.getIndices();s&&e.push("indices:"+o.get(s)),n.push(e.join(","))}const s=n.join(";");if(i.has(s)){const n=i.get(s);e.listParents().forEach(s=>{s.propertyType!==t.ROOT&&s.swap(e,n)}),e.dispose()}else i.set(s,e)}e.debug(`dedup: Found ${r-i.size} duplicates among ${r} meshes.`)}(o,e),r.has(t.TEXTURE)&&function(e,t){const o=t.getRoot(),r=o.listTextures(),i=new Map;for(let e=0;e<r.length;e++){const t=r[e],s=t.getImage();if(!i.has(t))for(let e=0;e<r.length;e++){const o=r[e],a=o.getImage();if(t===o)continue;if(i.has(o))continue;if(t.getMimeType()!==o.getMimeType())continue;const c=t.getSize(),l=o.getSize();c&&l&&c[0]===l[0]&&c[1]===l[1]&&s&&a&&n.equals(s,a)&&i.set(o,t)}}e.debug(`dedup: Found ${i.size} duplicates among ${o.listTextures().length} textures.`),Array.from(i.entries()).forEach(([e,t])=>{e.listParents().forEach(n=>{n instanceof s&&n.swap(e,t)}),e.dispose()})}(o,e),o.debug("dedup: Complete.")}};async function z(e,t,n){if(!e)return null;const s=e.getImage();if(!s)return null;const o=await h(new Uint8Array(s),e.getMimeType());for(let e=0;e<o.shape[0];++e)for(let t=0;t<o.shape[1];++t)n(o,e,t);const r=(await A(o,"image/png")).buffer;return t.setImage(r).setMimeType("image/png")}function $(e){const t=e.getIndices(),n=e.getAttribute("POSITION");switch(e.getMode()){case o.Mode.POINTS:return n.getCount();case o.Mode.LINES:return t?t.getCount()/2:n.getCount()/2;case o.Mode.LINE_LOOP:return n.getCount();case o.Mode.LINE_STRIP:return n.getCount()-1;case o.Mode.TRIANGLES:return t?t.getCount()/3:n.getCount()/3;case o.Mode.TRIANGLE_STRIP:case o.Mode.TRIANGLE_FAN:return n.getCount()-2;default:throw new Error("Unexpected mode: "+e.getMode())}}function L(e){return{scenes:v(e),meshes:q(e),materials:k(e),textures:F(e),animations:_(e)}}function v(t){return{properties:t.getRoot().listScenes().map(t=>{const n=t.listChildren()[0],s=e(t);return{name:t.getName(),rootName:n?n.getName():"",bboxMin:U(s.min),bboxMax:U(s.max)}})}}function q(e){return{properties:e.getRoot().listMeshes().map(e=>{const t=e.listParents().filter(e=>"Root"!==e.propertyType).length;let n=0,s=0;const o=new Set,r=new Set,i=new Set;e.listPrimitives().forEach(e=>{for(const t of e.listSemantics()){const n=e.getAttribute(t);o.add(t+":"+B(n.getArray())),i.add(n)}for(const t of e.listTargets())t.listAttributes().forEach(e=>i.add(e));const t=e.getIndices();t&&(r.add(B(t.getArray())),i.add(t)),s+=e.listAttributes()[0].getCount(),n+=$(e)});let a=0;Array.from(i).forEach(e=>a+=e.getArray().byteLength);const c=e.listPrimitives().map(e=>G[e.getMode()]);return{name:e.getName(),mode:Array.from(new Set(c)),primitives:e.listPrimitives().length,glPrimitives:n,vertices:s,indices:Array.from(r).sort(),attributes:Array.from(o).sort(),instances:t,size:a}})}}function k(e){return{properties:e.getRoot().listMaterials().map(t=>{const n=t.listParents().filter(e=>"Root"!==e.propertyType).length,s=new Set(t.listExtensions()),o=e.getGraph().getLinks().filter(e=>{const n=e.getChild(),o=e.getParent();return n instanceof r&&o===t||!!(n instanceof r&&o instanceof i&&s.has(o))}).map(e=>e.getName());return{name:t.getName(),instances:n,textures:o,alphaMode:t.getAlphaMode(),doubleSided:t.getDoubleSided()}})}}function F(e){return{properties:e.getRoot().listTextures().map(t=>{const n=t.listParents().filter(e=>"Root"!==e.propertyType).length,s=e.getGraph().listParentLinks(t).map(e=>e.getName()).filter(e=>"texture"!==e),o=a.getSize(t.getImage(),t.getMimeType());return{name:t.getName(),uri:t.getURI(),slots:Array.from(new Set(s)),instances:n,mimeType:t.getMimeType(),resolution:o?o.join("x"):"",size:t.getImage().byteLength,gpuSize:a.getMemSize(t.getImage(),t.getMimeType())}})}}function _(e){return{properties:e.getRoot().listAnimations().map(e=>{let t=Infinity,n=-Infinity;e.listSamplers().forEach(e=>{const s=e.getInput();s&&(t=Math.min(t,s.getMin([])[0]),n=Math.max(n,s.getMax([])[0]))});let s=0,o=0;const r=new Set;return e.listSamplers().forEach(e=>{const t=e.getInput(),n=e.getOutput();t&&(o+=t.getCount(),r.add(t),n&&r.add(n))}),Array.from(r).forEach(e=>{s+=e.getArray().byteLength}),{name:e.getName(),channels:e.listChannels().length,samplers:e.listSamplers().length,duration:Math.round(1e3*(n-t))/1e3,keyframes:o,size:s}})}}const G=["POINTS","LINES","LINE_LOOP","LINE_STRIP","TRIANGLES","TRIANGLE_STRIP","TRIANGLE_FAN"];function U(e){for(let t=0;t<e.length;t++)e[t].toFixed&&(e[t]=Number(e[t].toFixed(5)));return e}function B(e){return e.constructor.name.replace("Array","").toLowerCase()}const j={};function V(e=j){return R({},j,e),e=>{const t=e.getLogger(),n=e.getRoot(),s=e.createExtension(y);if(n.listAnimations().length)throw new Error("instance: Instancing is not currently supported for animated models.");let o=0,r=0;for(const i of n.listScenes()){const n=new Map;i.traverse(e=>{const t=e.getMesh();t&&n.set(t,(n.get(t)||new Set).add(e))});const a=[];for(const l of Array.from(n.keys())){const g=Array.from(n.get(l));if(g.length<2)continue;if(g.some(e=>e.getSkin()))continue;const u=D(e,s,l,g.length),f=u.getAttribute("TRANSLATION"),p=u.getAttribute("ROTATION"),m=u.getAttribute("SCALE"),d=e.createNode().setMesh(l).setExtension("EXT_mesh_gpu_instancing",u);i.addChild(d);let h=!1,A=!1,y=!1;for(let e=0;e<g.length;e++){let t,n,s;const o=g[e];f.setElement(e,t=o.getWorldTranslation()),p.setElement(e,n=o.getWorldRotation()),m.setElement(e,s=o.getWorldScale()),c.eq(t,[0,0,0])||(h=!0),c.eq(n,[0,0,0,1])||(A=!0),c.eq(s,[1,1,1])||(y=!0),o.setMesh(null),a.push(o)}h||f.dispose(),A||p.dispose(),y||m.dispose(),W(a,t),o++,r+=g.length}}o>0?t.info(`instance: Created ${o} batches, with ${r} total instances.`):(t.info("instance: No meshes with multiple parent nodes were found."),s.dispose()),t.debug("instance: Complete.")}}function W(e,t){let n,s=0;for(;n=e.pop();){if(n.listChildren().length||n.getCamera()||n.getMesh()||n.getSkin()||n.listExtensions().length)continue;const t=n.getParent();t instanceof l&&e.push(t),n.dispose(),s++}t.debug(`instance: Removed ${s} unused nodes.`)}function D(e,t,n,s){const o=n.listPrimitives()[0].getAttribute("POSITION").getBuffer(),r=e.createAccessor().setType("VEC3").setArray(new Float32Array(3*s)).setBuffer(o),i=e.createAccessor().setType("VEC4").setArray(new Float32Array(4*s)).setBuffer(o),a=e.createAccessor().setType("VEC3").setArray(new Float32Array(3*s)).setBuffer(o);return t.createInstancedMesh().setAttribute("TRANSLATION",r).setAttribute("ROTATION",i).setAttribute("SCALE",a)}const X={};function H(e=X){return R({},X,e),async e=>{const t=e.getLogger(),n=T.EXTENSION_NAME;if(!e.getRoot().listExtensionsUsed().map(e=>e.extensionName).includes(n))return void t.warn(`metalRough: Extension ${n} not found on given document.`);const s=e.createExtension(E),o=e.createExtension(S),r=e.createExtension(T),i=new Set;for(const t of e.getRoot().listMaterials()){const n=t.getExtension("KHR_materials_pbrSpecularGlossiness");if(!n)continue;const r=o.createSpecular().setSpecularFactor(1).setSpecularColorFactor(n.getSpecularFactor());i.add(n.getSpecularGlossinessTexture()),i.add(t.getBaseColorTexture()),i.add(t.getMetallicRoughnessTexture()),t.setBaseColorFactor(n.getDiffuseFactor()).setMetallicFactor(0).setRoughnessFactor(1).setExtension("KHR_materials_ior",s.createIOR().setIOR(1e3)).setExtension("KHR_materials_specular",r);const a=n.getDiffuseTexture();a&&(t.setBaseColorTexture(a),t.getBaseColorTextureInfo().copy(n.getDiffuseTextureInfo()));const c=n.getSpecularGlossinessTexture();if(c){const s=n.getSpecularGlossinessTextureInfo(),o=e.createTexture();await z(c,o,(e,t,n)=>{e.set(t,n,3,255)}),r.setSpecularTexture(o),r.getSpecularTextureInfo().copy(s);const i=n.getGlossinessFactor(),a=e.createTexture();await z(c,a,(e,t,n)=>{const s=255-Math.round(e.get(t,n,3)*i);e.set(t,n,0,0),e.set(t,n,1,s),e.set(t,n,2,0),e.set(t,n,3,255)}),t.setMetallicRoughnessTexture(a),t.getMetallicRoughnessTextureInfo().copy(s)}else r.setSpecularColorFactor(n.getSpecularFactor()),t.setRoughnessFactor(1-n.getGlossinessFactor());t.setExtension("KHR_materials_pbrSpecularGlossiness",null)}r.dispose();for(const e of i)e&&1===e.listParents().length&&e.dispose();t.debug("metalRough: Complete.")}}const K={animations:!0,meshes:!0},Z=(e=K)=>{const t=R({},K,e);return e=>{const n=e.getLogger();!1!==t.meshes&&function(e,t,n){const s=new Set(e.getRoot().listBuffers().map(e=>e.getURI()));e.getRoot().listMeshes().forEach((o,r)=>{if(Array.isArray(n.meshes)&&!n.meshes.includes(o.getName()))return void t.debug(`partition: Skipping mesh #${r} with name "${o.getName()}".`);t.debug(`partition: Creating buffer for mesh "${o.getName()}".`);const i=e.createBuffer(o.getName()).setURI(J(o.getName()||"mesh",s));o.listPrimitives().forEach(e=>{const t=e.getIndices();t&&t.setBuffer(i),e.listAttributes().forEach(e=>e.setBuffer(i)),e.listTargets().forEach(e=>{e.listAttributes().forEach(e=>e.setBuffer(i))})})})}(e,n,t),!1!==t.animations&&function(e,t,n){const s=new Set(e.getRoot().listBuffers().map(e=>e.getURI()));e.getRoot().listAnimations().forEach((o,r)=>{if(Array.isArray(n.animations)&&!n.animations.includes(o.getName()))return void t.debug(`partition: Skipping animation #${r} with name "${o.getName()}".`);t.debug(`partition: Creating buffer for animation "${o.getName()}".`);const i=e.createBuffer(o.getName()).setURI(J(o.getName()||"animation",s));o.listSamplers().forEach(e=>{const t=e.getInput(),n=e.getOutput();t&&t.setBuffer(i),n&&n.setBuffer(i)})})}(e,n,t),t.meshes||t.animations||n.warn("partition: Select animations or meshes to create a partition."),n.debug("partition: Complete.")}};function J(e,t){let n=`${e}.bin`,s=1;for(;t.has(n);)n=`${e}_${s++}.bin`;return n}const Q={},Y=function(e=Q){return R({},Q,e),e=>{const n=e.getLogger(),s=e.getRoot(),o=e.getGraph(),r={};s.listNodes().forEach(i),s.listSkins().forEach(i),s.listMeshes().forEach(i),s.listCameras().forEach(i),a(o,t.PRIMITIVE),a(o,t.PRIMITIVE_TARGET);for(const e of s.listAnimations()){for(const t of e.listChannels())t.getTargetNode()||(t.dispose(),c(t));if(e.listChannels().length)e.listSamplers().forEach(i);else{const t=e.listSamplers();i(e),t.forEach(i)}}if(s.listMaterials().forEach(i),s.listTextures().forEach(i),s.listAccessors().forEach(i),s.listBuffers().forEach(i),Object.keys(r).length){const e=Object.keys(r).map(e=>`${e} (${r[e]})`).join(", ");n.info(`prune: Removed types... ${e}`)}else n.info("prune: No unused properties found.");function i(e){e.listParents().filter(e=>!(e instanceof g||e instanceof u)).length||(e.dispose(),c(e))}function a(e,t){e.getLinks().map(e=>e.getParent()).filter(e=>e.propertyType===t).forEach(i)}function c(e){r[e.propertyType]=r[e.propertyType]||0,r[e.propertyType]++}n.debug("prune: Complete.")}},ee=[Int8Array,Int16Array,Int32Array],te={excludeAttributes:[],quantizationVolume:"mesh",quantizePosition:14,quantizeNormal:10,quantizeTexcoord:12,quantizeColor:8,quantizeWeight:8,quantizeGeneric:12},ne=(t=te)=>{const n=R({},te,t);return t=>{const s=t.getLogger(),o=t.getRoot();let r;t.createExtension(b).setRequired(!0),"scene"===n.quantizationVolume&&(1!==o.listScenes().length?s.warn("[quantize]: quantizationVolume=scene requires exactly 1 scene."):r=e(o.listScenes().pop()));for(const e of t.getRoot().listMeshes()){if(e.listPrimitives().some(e=>e.getAttribute("JOINTS_0"))){s.warn("quantize: Quantization for skinned mesh not yet implemented.");continue}const o=oe(e,r);o&&re(t,e,o);for(const s of e.listPrimitives()){se(t,s,o,n);for(const e of s.listTargets())se(t,e,o,n)}}s.debug("quantize: Complete.")}};function se(e,t,n,s){const r=e.getRoot(),i=e.getLogger(),a=n?n.nodeRemap:null;for(const n of t.listSemantics()){if(s.excludeAttributes.includes(n))continue;const o=t.getAttribute(n),{bits:c,ctor:l}=ae(n,o,i,s);if(!l)continue;if(c<8||c>16)throw new Error("quantize: Requires bits = 8–16.");if(o.getComponentSize()<=c/8)continue;const g=e.getGraph().listParentLinks(o).filter(e=>e.getParent()!==r).map(e=>e.getName());if(new Set(g).size>1)i.warn(`quantize: Skipping ${n}; attribute usage conflict.`);else{if("POSITION"===n){if(!a)throw new Error("quantize: Failed precondition; missing node transform.");for(let e=0,t=[0,0,0],n=o.getCount();e<n;e++)o.setElement(e,a(o.getElement(e,t)))}ie(o,l,c),o.setNormalized(!0)}}if(t instanceof o&&t.getIndices()&&t.listAttributes().length&&t.listAttributes()[0].getCount()<65535){const e=t.getIndices();e.setArray(new Uint16Array(e.getArray()))}}function oe(e,t){const n=e.listPrimitives().map(e=>e.getAttribute("POSITION"));if(!n.some(e=>!!e))return null;let s=[Infinity,Infinity,Infinity],o=[-Infinity,-Infinity,-Infinity];return t?(s=[...t.min],o=[...t.max]):function(e,t,n){const s=n[0].getElementSize();for(let t=0;t<s;t++)e[t]=Infinity;for(let e=0;e<s;e++)t[e]=-Infinity;const o=[],r=[];for(const i of n){i.getMinNormalized(o),i.getMaxNormalized(r);for(let n=0;n<s;n++)e[n]=Math.min(e[n],o[n]),t[n]=Math.max(t[n],r[n])}}(s,o,n),{nodeRemap:e=>[2*(e[0]-s[0])/(o[0]-s[0])-1,2*(e[1]-s[1])/(o[1]-s[1])-1,2*(e[2]-s[2])/(o[2]-s[2])-1],nodeOffset:[s[0]+(o[0]-s[0])/2,s[1]+(o[1]-s[1])/2,s[2]+(o[2]-s[2])/2],nodeScale:[(o[0]-s[0])/2,(o[1]-s[1])/2,(o[2]-s[2])/2]}}function re(e,t,n){const s=n.nodeOffset||[0,0,0],o=n.nodeScale||[1,1,1];for(const n of t.listParents())if(n instanceof l){const r=n.listChildren().length>0,i=!!n.listParents().find(e=>e instanceof f);let a;r||i?(a=e.createNode("").setMesh(t),n.addChild(a).setMesh(null)):a=n;const c=a.getTranslation(),l=a.getScale();a.setTranslation([c[0]+s[0],c[1]+s[1],c[2]+s[2]]).setScale([l[0]*o[0],l[1]*o[1],l[2]*o[2]])}}function ie(e,t,n){const s=new t(e.getArray().length),o=ee.includes(t)?1:0,r=n-o,i=8*t.BYTES_PER_ELEMENT-o,a=Math.pow(2,r)-1,c=i-r,l=2*r-i;for(let t=0,n=0,o=[];t<e.getCount();t++){e.getElement(t,o);for(let e=0;e<o.length;e++){let t=Math.round(Math.abs(o[e])*a);t=t<<c|t>>l,s[n++]=t*Math.sign(o[e])}}e.setArray(s)}function ae(e,t,n,s){const o=t.getMinNormalized([]),r=t.getMinNormalized([]);let i,a;if("POSITION"===e)i=s.quantizePosition,a=i<=8?Int8Array:Int16Array;else if("NORMAL"===e||"TANGENT"===e)i=s.quantizeNormal,a=i<=8?Int8Array:Int16Array;else if(e.startsWith("COLOR_"))i=s.quantizeColor,a=i<=8?Uint8Array:Uint16Array;else if(e.startsWith("TEXCOORD_")){if(o.some(e=>e<0)||r.some(e=>e>1))return n.warn(`quantize: Skipping ${e}; out of supported range.`),{bits:-1};i=s.quantizeTexcoord,a=i<=8?Uint8Array:Uint16Array}else{if(e.startsWith("JOINTS_"))return i=Math.max(...t.getMax([]))<=255?8:16,a=i<=8?Uint8Array:Uint16Array,t.getComponentSize()>i/8&&t.setArray(new a(t.getArray())),{bits:-1};if(e.startsWith("WEIGHTS_")){if(o.some(e=>e<0)||r.some(e=>e>1))return n.warn(`quantize: Skipping ${e}; out of supported range.`),{bits:-1};i=s.quantizeWeight,a=i<=8?Uint8Array:Uint16Array}else{if(!e.startsWith("_"))throw new Error(`quantize: Unexpected semantic, "${e}".`);if(o.some(e=>e<-1)||r.some(e=>e>1))return n.warn(`quantize: Skipping ${e}; out of supported range.`),{bits:-1};i=s.quantizeGeneric,a=a=o.some(e=>e<0)?i<=8?Int8Array:Int16Array:i<=8?Uint8Array:Uint16Array}}return{bits:i,ctor:a}}const ce={tolerance:1e-4},le=(e=ce)=>{const t=R({},ce,e);return e=>{const n=new Set,s=e.getRoot().listAccessors().length,o=e.getLogger();for(const s of e.getRoot().listAnimations())for(const e of s.listSamplers())"STEP"!==e.getInterpolation()&&"LINEAR"!==e.getInterpolation()||(n.add(e.getInput()),n.add(e.getOutput()),ge(e,t));for(const e of Array.from(n.values()))e.listParents().find(e=>!(e instanceof g))||e.dispose();e.getRoot().listAccessors().length>s&&o.warn('resample: Resampling required copying accessors, some of which may be duplicates. Consider using "dedup" to consolidate any duplicates.'),o.debug("resample: Complete.")}};function ge(e,t){if(!["STEP","LINEAR"].includes(e.getInterpolation()))return;const n=e.getInput().clone(),s=e.getOutput().clone(),o=t.tolerance,r=n.getCount()-1,i=[];let a=1;for(let t=1;t<r;++t){const r=n.getScalar(t),l=n.getScalar(t-1),g=n.getScalar(t+1),u=(r-l)/(g-l);let f=!1;if(r!==g&&(1!==t||r!==n.getScalar(0)))for(let n=0;n<s.getElementSize();n++){const r=s.getElement(t,i)[n],a=s.getElement(t-1,i)[n],l=s.getElement(t+1,i)[n];if("LINEAR"===e.getInterpolation()){if(Math.abs(r-(a*(1-(c=u))+l*c))>o){f=!0;break}}else if("STEP"===e.getInterpolation()&&(r!==a||r!==l)){f=!0;break}}f&&(t!==a&&(n.setScalar(a,n.getScalar(t)),s.setElement(a,s.getElement(t,i))),a++)}var c;r>0&&(n.setScalar(a,n.getScalar(r)),s.setElement(a,s.getElement(r,i)),a++),a!==n.getCount()?(n.setArray(n.getArray().slice(0,a)),s.setArray(s.getArray().slice(0,a*s.getElementSize())),e.setInput(n),e.setOutput(s)):(n.dispose(),s.dispose())}const ue={name:"",fps:10,pattern:/.*/,sort:!0};function fe(e=ue){const t=R({},ue,e);return e=>{const n=e.getLogger(),s=e.getRoot(),o=t.fps,r=s.listNodes().filter(e=>e.getName().match(t.pattern));t.sort&&r.sort((e,t)=>e.getName()>t.getName()?1:-1);const i=e.createAnimation(t.name),a=s.listBuffers()[0];r.forEach((t,n)=>{let s,c;0===n?(s=[n/o,(n+1)/o],c=[1,1,1,0,0,0]):n===r.length-1?(s=[(n-1)/o,n/o],c=[0,0,0,1,1,1]):(s=[(n-1)/o,n/o,(n+1)/o],c=[0,0,0,1,1,1,0,0,0]);const l=e.createAccessor().setArray(new Float32Array(s)).setBuffer(a),g=e.createAccessor().setArray(new Float32Array(c)).setBuffer(a).setType(p.Type.VEC3),f=e.createAnimationSampler().setInterpolation(m.Interpolation.STEP).setInput(l).setOutput(g),d=e.createAnimationChannel().setTargetNode(t).setTargetPath(u.TargetPath.SCALE).setSampler(f);i.addSampler(f).addChannel(d)}),n.debug("sequence: Complete.")}}const pe={overwrite:!1};function me(e=pe){if(!e.generateTangents)throw new Error('tangents: generateTangents callback required — install "mikktspace".');const t=R({},pe,e);return e=>{const n=e.getLogger(),s=new Map,o=new Map;let r=0;for(const i of e.getRoot().listMeshes()){const a=i.getName(),c=i.listPrimitives();for(let i=0;i<c.length;i++){const l=c[i];if(!de(l,n,a,i,t.overwrite))continue;const g=l.getAttribute("POSITION").getArray(),u=l.getAttribute("NORMAL").getArray(),f=l.getAttribute("TEXCOORD_0").getArray(),p=s.get(g)||d();s.set(g,p);const m=s.get(u)||d();s.set(u,m);const h=s.get(f)||d();s.set(f,h);const A=l.getAttribute("TANGENT");A&&2===A.listParents().length&&A.dispose();const y=`${p}|${m}|${h}`;let E=o.get(y);if(E){n.debug(`tangents: Found cache for primitive ${i} of mesh "${a}".`),l.setAttribute("TANGENT",E),r++;continue}n.debug(`tangents: Generating for primitive ${i} of mesh "${a}".`);const S=l.getAttribute("POSITION").getBuffer(),T=t.generateTangents(g instanceof Float32Array?g:new Float32Array(g),u instanceof Float32Array?u:new Float32Array(u),f instanceof Float32Array?f:new Float32Array(f));for(let e=3;e<T.length;e+=4)T[e]*=-1;E=e.createAccessor().setBuffer(S).setArray(T).setType("VEC4"),l.setAttribute("TANGENT",E),o.set(y,E),r++}}r?n.debug("tangents: Complete."):n.warn("tangents: No qualifying primitives found. See debug output.")}}function de(e,t,n,s,r){return e.getMode()===o.Mode.TRIANGLES&&e.getAttribute("POSITION")&&e.getAttribute("NORMAL")&&e.getAttribute("TEXCOORD_0")?e.getAttribute("TANGENT")&&!r?(t.debug(`tangents: Skipping primitive ${s} of mesh "${n}": TANGENT found.`),!1):!e.getIndices()||(t.warn(`tangents: Skipping primitive ${s} of mesh "${n}": primitives must be unwelded.`),!1):(t.debug(`tangents: Skipping primitive ${s} of mesh "${n}": primitives must have attributes=[POSITION, NORMAL, TEXCOORD_0] and mode=TRIANGLES.`),!1)}const he="textureResize";var Ae;!function(e){e.LANCZOS3="lanczos3",e.LANCZOS2="lanczos2"}(Ae||(Ae={}));const ye={size:[2048,2048],filter:Ae.LANCZOS3,pattern:null};function Ee(e=ye){const t=R({},ye,e);return async e=>{const n=e.getLogger();for(const s of e.getRoot().listTextures()){const e=s.getName(),o=s.getURI();if(t.pattern&&!t.pattern.test(e)&&!t.pattern.test(o))continue;if("image/png"!==s.getMimeType()&&"image/jpeg"!==s.getMimeType()){n.warn(`Skipping unsupported texture type, "${s.getMimeType()}".`);continue}const[r,i]=t.size,[a,c]=s.getSize();if(a<=r&&c<=i){n.debug(`${he}: Skipping "${o||e}", within size range.`);continue}let l=a,g=c;l>r&&(l=r,g=Math.floor(g*(l/a))),g>i&&(g=i,l=Math.floor(l*(g/c)));const u=new Uint8Array(s.getImage()),f=await h(u,s.getMimeType()),p=I(new Uint8Array(l*g*4),[l,g,4]);n.debug(`${he}: Resizing "${o||e}", ${f.shape} → ${p.shape}...`);try{t.filter===Ae.LANCZOS3?N(f,p):w(f,p)}catch(t){n.warn(`${he}: Failed to resize "${o||e}": "${t.message}".`);continue}s.setImage((await A(p,s.getMimeType())).buffer)}n.debug(`${he}: Complete.`)}}const Se={};function Te(e=Se){return R({},Se,e),e=>{const t=e.getLogger(),n=new Map;for(const s of e.getRoot().listMeshes())for(const e of s.listPrimitives()){const s=e.getIndices();if(s){for(const o of e.listAttributes())e.swap(o,be(o,s,t,n)),1===o.listParents().length&&o.dispose();for(const o of e.listTargets())for(const e of o.listAttributes())o.swap(e,be(e,s,t,n)),1===e.listParents().length&&e.dispose();e.setIndices(null),1===s.listParents().length&&s.dispose()}}t.debug("unweld: Complete.")}}function be(e,t,n,s){if(s.has(e)&&s.get(e).has(t))return n.debug(`unweld: Cache hit for reused attribute, "${e.getName()}".`),s.get(e).get(t);const o=e.clone(),r=e.getArray().constructor;o.setArray(new r(t.getCount()*e.getElementSize()));const i=[];for(let n=0;n<t.getCount();n++)o.setElement(n,e.getElement(t.getScalar(n),i));return s.has(e)||s.set(e,new Map),s.get(e).set(t,o),o}const Ie={tolerance:1e-4};function Ne(e=Ie){const t=R({},Ie,e);return e=>{const n=e.getLogger();for(const n of e.getRoot().listMeshes())for(const s of n.listPrimitives())0===t.tolerance?we(e,s):Re(e,s,t);n.debug("weld: Complete.")}}function we(e,t){if(t.getIndices())return;const n=t.listAttributes()[0].getBuffer(),s=e.createAccessor().setBuffer(n).setType(p.Type.SCALAR).setArray(new Uint32Array(3*$(t)));for(let e=0;e<s.getCount();e++)s.setScalar(e,e);t.setIndices(s)}function Re(e,t,n){const s=Math.max(n.tolerance,Number.EPSILON),o=Math.log10(1/s),r=Math.pow(10,o),i={},a=t.getIndices(),c=a?a.getCount():t.listAttributes()[0].getCount(),l=new Map;t.listAttributes().forEach(e=>l.set(e,[])),t.listTargets().forEach(e=>{e.listAttributes().forEach(e=>l.set(e,[]))});const g=[];let u=0;for(let e=0;e<c;e++){const n=a?a.getScalar(e):e,s=[],o=[];for(const e of t.listAttributes())for(let t=0;t<e.getElementSize();t++)s.push(~~(e.getElement(n,o)[t]*r));const c=s.join("|");if(c in i)g.push(i[c]);else{for(const e of t.listAttributes())l.get(e).push(e.getElement(n,[]));for(const e of t.listTargets())for(const t of e.listAttributes())l.get(t).push(t.getElement(n,[]));i[c]=u,g.push(u),u++}}const f=t.listAttributes()[0].getCount(),p=l.get(t.getAttribute("POSITION")).length;e.getLogger().debug(`weld: ${f} → ${p} vertices.`);for(const e of t.listAttributes())Ce(t,e,l.get(e)),1===e.listParents().length&&e.dispose();for(const e of t.listTargets())for(const t of e.listAttributes())Ce(e,t,l.get(t)),1===t.listParents().length&&t.dispose();if(a){const e=Me(a.getArray(),g.length);e.set(g),t.setIndices(a.clone().setArray(e)),1===a.listParents().length&&a.dispose()}else t.setIndices(e.createAccessor().setArray(new Uint32Array(g)))}function Me(e,t){return new(0,e.constructor)(t)}function Ce(e,t,n){const s=n.length*t.getElementSize(),o=Me(t.getArray(),s),r=t.clone().setArray(o);for(let e=0;e<n.length;e++)r.setElement(e,n[e]);e.swap(t,r)}export{te as QUANTIZE_DEFAULTS,ye as TEXTURE_RESIZE_DEFAULTS,Ae as TextureResizeFilter,C as center,O as colorspace,P as dedup,L as inspect,V as instance,H as metalRough,Z as partition,Y as prune,ne as quantize,le as resample,fe as sequence,me as tangents,Ee as textureResize,Te as unweld,Ne as weld};
+import{bounds as e,PropertyType as t,BufferUtils as n,Material as s,Primitive as o,Texture as r,ExtensionProperty as i,ImageUtils as a,MathUtils as c,Node as l,Root as g,AnimationChannel as u,Animation as f,Accessor as p,AnimationSampler as m,uuid as d}from"@gltf-transform/core";export{bounds}from"@gltf-transform/core";import{getPixels as h,savePixels as A}from"ndarray-pixels";import{MeshGPUInstancing as y,MaterialsIOR as E,MaterialsSpecular as S,MaterialsPBRSpecularGlossiness as T,MeshQuantization as b}from"@gltf-transform/extensions";import I from"ndarray";import{lanczos3 as N,lanczos2 as w}from"ndarray-lanczos";function R(){return(R=Object.assign||function(e){for(var t=1;t<arguments.length;t++){var n=arguments[t];for(var s in n)Object.prototype.hasOwnProperty.call(n,s)&&(e[s]=n[s])}return e}).apply(this,arguments)}const M={pivot:"center"};function C(t=M){const n=R({},M,t);return t=>{const s=t.getLogger(),o=t.getRoot(),r=o.listAnimations().length>0||o.listSkins().length>0;t.getRoot().listScenes().forEach((i,a)=>{let c;if(s.debug(`center: Scene ${a+1} / ${o.listScenes().length}.`),"string"==typeof n.pivot){const t=e(i);c=[(t.max[0]-t.min[0])/2+t.min[0],(t.max[1]-t.min[1])/2+t.min[1],(t.max[2]-t.min[2])/2+t.min[2]],"above"===n.pivot&&(c[1]=t.max[1]),"below"===n.pivot&&(c[1]=t.min[1])}else c=n.pivot;s.debug(`center: Pivot "${c.join(", ")}".`);const l=[-1*c[0],-1*c[1],-1*c[2]];if(r){s.debug("center: Model contains animation or skin. Adding a wrapper node.");const e=t.createNode("Pivot").setTranslation(l);i.listChildren().forEach(t=>e.addChild(t)),i.addChild(e)}else s.debug("center: Skipping wrapper, offsetting all root nodes."),i.listChildren().forEach(e=>{const t=e.getTranslation();e.setTranslation([t[0]+l[0],t[1]+l[1],t[2]+l[2]])})}),s.debug("center: Complete.")}}function O(e){return t=>{const n=t.getLogger();if("linear"===e.inputEncoding)return void n.info("colorspace: Vertex colors already linear. Skipping conversion.");if("sRGB"!==e.inputEncoding)return void n.error(`colorspace: Unknown input encoding "${e.inputEncoding}" – should be "sRGB" or "linear". Skipping conversion.`);const s=new Set;function o(e){return e<.04045?.0773993808*e:Math.pow(.9478672986*e+.0521327014,2.4)}function r(e){const t=[0,0,0];let n;for(let r=0;n=e.getAttribute(`COLOR_${r}`);r++)if(!s.has(n)){for(let e=0;e<n.getCount();e++)n.getElement(e,t),t[0]=o(t[0]),t[1]=o(t[1]),t[2]=o(t[2]),n.setElement(e,t);s.add(n)}}t.getRoot().listMeshes().forEach(e=>e.listPrimitives().forEach(r)),n.debug("colorspace: Complete.")}}const x={propertyTypes:[t.ACCESSOR,t.MESH,t.TEXTURE]},P=function(e=x){const o=R({},x,e),r=new Set(o.propertyTypes);for(const e of o.propertyTypes)if(!x.propertyTypes.includes(e))throw new Error(`dedup: Unsupported deduplication on type "${e}".`);return e=>{const o=e.getLogger();r.has(t.ACCESSOR)&&function(e,t){const s=new Set,o=new Set,r=t.getRoot().listMeshes();function i(e){const t=new Map;for(let s=0;s<e.length;s++){const o=e[s],r=o.getArray().slice().buffer;if(!t.has(o))for(let s=0;s<e.length;s++){const i=e[s];o!==i&&(t.has(i)||o.getType()===i.getType()&&o.getComponentType()===i.getComponentType()&&o.getCount()===i.getCount()&&o.getNormalized()===i.getNormalized()&&n.equals(r,i.getArray().slice().buffer)&&t.set(i,o))}}return t}r.forEach(e=>{e.listPrimitives().forEach(e=>{e.listAttributes().forEach(e=>o.add(e));const t=e.getIndices();t&&s.add(t)})});const a=i(Array.from(s));e.debug(`dedup: Found ${a.size} duplicates among ${s.size} indices.`);const c=i(Array.from(o));e.debug(`dedup: Found ${c.size} duplicates among ${o.size} attributes.`),r.forEach(e=>{e.listPrimitives().forEach(e=>{e.listAttributes().forEach(t=>{c.has(t)&&e.swap(t,c.get(t))});const t=e.getIndices();t&&a.has(t)&&e.swap(t,a.get(t))})}),Array.from(a.keys()).forEach(e=>e.dispose()),Array.from(c.keys()).forEach(e=>e.dispose())}(o,e),r.has(t.MESH)&&function(e,n){const s=n.getRoot(),o=new Map;s.listAccessors().forEach((e,t)=>{o.set(e,t)});const r=s.listMeshes().length,i=new Map;for(const e of s.listMeshes()){const n=[];for(const t of e.listPrimitives()){const e=[];for(const n of t.listSemantics()){const s=t.getAttribute(n);e.push(n+":"+o.get(s))}const s=t.getIndices();s&&e.push("indices:"+o.get(s)),n.push(e.join(","))}const s=n.join(";");if(i.has(s)){const n=i.get(s);e.listParents().forEach(s=>{s.propertyType!==t.ROOT&&s.swap(e,n)}),e.dispose()}else i.set(s,e)}e.debug(`dedup: Found ${r-i.size} duplicates among ${r} meshes.`)}(o,e),r.has(t.TEXTURE)&&function(e,t){const o=t.getRoot(),r=o.listTextures(),i=new Map;for(let e=0;e<r.length;e++){const t=r[e],s=t.getImage();if(!i.has(t))for(let e=0;e<r.length;e++){const o=r[e],a=o.getImage();if(t===o)continue;if(i.has(o))continue;if(t.getMimeType()!==o.getMimeType())continue;const c=t.getSize(),l=o.getSize();c&&l&&c[0]===l[0]&&c[1]===l[1]&&s&&a&&n.equals(s,a)&&i.set(o,t)}}e.debug(`dedup: Found ${i.size} duplicates among ${o.listTextures().length} textures.`),Array.from(i.entries()).forEach(([e,t])=>{e.listParents().forEach(n=>{n instanceof s&&n.swap(e,t)}),e.dispose()})}(o,e),o.debug("dedup: Complete.")}};async function z(e,t,n){if(!e)return null;const s=e.getImage();if(!s)return null;const o=await h(new Uint8Array(s),e.getMimeType());for(let e=0;e<o.shape[0];++e)for(let t=0;t<o.shape[1];++t)n(o,e,t);const r=(await A(o,"image/png")).buffer;return t.setImage(r).setMimeType("image/png")}function $(e){const t=e.getIndices(),n=e.getAttribute("POSITION");switch(e.getMode()){case o.Mode.POINTS:return n.getCount();case o.Mode.LINES:return t?t.getCount()/2:n.getCount()/2;case o.Mode.LINE_LOOP:return n.getCount();case o.Mode.LINE_STRIP:return n.getCount()-1;case o.Mode.TRIANGLES:return t?t.getCount()/3:n.getCount()/3;case o.Mode.TRIANGLE_STRIP:case o.Mode.TRIANGLE_FAN:return n.getCount()-2;default:throw new Error("Unexpected mode: "+e.getMode())}}function L(e){return{scenes:v(e),meshes:q(e),materials:k(e),textures:F(e),animations:_(e)}}function v(t){return{properties:t.getRoot().listScenes().map(t=>{const n=t.listChildren()[0],s=e(t);return{name:t.getName(),rootName:n?n.getName():"",bboxMin:U(s.min),bboxMax:U(s.max)}})}}function q(e){return{properties:e.getRoot().listMeshes().map(e=>{const t=e.listParents().filter(e=>"Root"!==e.propertyType).length;let n=0,s=0;const o=new Set,r=new Set,i=new Set;e.listPrimitives().forEach(e=>{for(const t of e.listSemantics()){const n=e.getAttribute(t);o.add(t+":"+B(n.getArray())),i.add(n)}for(const t of e.listTargets())t.listAttributes().forEach(e=>i.add(e));const t=e.getIndices();t&&(r.add(B(t.getArray())),i.add(t)),s+=e.listAttributes()[0].getCount(),n+=$(e)});let a=0;Array.from(i).forEach(e=>a+=e.getArray().byteLength);const c=e.listPrimitives().map(e=>G[e.getMode()]);return{name:e.getName(),mode:Array.from(new Set(c)),primitives:e.listPrimitives().length,glPrimitives:n,vertices:s,indices:Array.from(r).sort(),attributes:Array.from(o).sort(),instances:t,size:a}})}}function k(e){return{properties:e.getRoot().listMaterials().map(t=>{const n=t.listParents().filter(e=>"Root"!==e.propertyType).length,s=new Set(t.listExtensions()),o=e.getGraph().getLinks().filter(e=>{const n=e.getChild(),o=e.getParent();return n instanceof r&&o===t||!!(n instanceof r&&o instanceof i&&s.has(o))}).map(e=>e.getName());return{name:t.getName(),instances:n,textures:o,alphaMode:t.getAlphaMode(),doubleSided:t.getDoubleSided()}})}}function F(e){return{properties:e.getRoot().listTextures().map(t=>{const n=t.listParents().filter(e=>"Root"!==e.propertyType).length,s=e.getGraph().listParentLinks(t).map(e=>e.getName()).filter(e=>"texture"!==e),o=a.getSize(t.getImage(),t.getMimeType());return{name:t.getName(),uri:t.getURI(),slots:Array.from(new Set(s)),instances:n,mimeType:t.getMimeType(),resolution:o?o.join("x"):"",size:t.getImage().byteLength,gpuSize:a.getMemSize(t.getImage(),t.getMimeType())}})}}function _(e){return{properties:e.getRoot().listAnimations().map(e=>{let t=Infinity,n=-Infinity;e.listSamplers().forEach(e=>{const s=e.getInput();s&&(t=Math.min(t,s.getMin([])[0]),n=Math.max(n,s.getMax([])[0]))});let s=0,o=0;const r=new Set;return e.listSamplers().forEach(e=>{const t=e.getInput(),n=e.getOutput();t&&(o+=t.getCount(),r.add(t),n&&r.add(n))}),Array.from(r).forEach(e=>{s+=e.getArray().byteLength}),{name:e.getName(),channels:e.listChannels().length,samplers:e.listSamplers().length,duration:Math.round(1e3*(n-t))/1e3,keyframes:o,size:s}})}}const G=["POINTS","LINES","LINE_LOOP","LINE_STRIP","TRIANGLES","TRIANGLE_STRIP","TRIANGLE_FAN"];function U(e){for(let t=0;t<e.length;t++)e[t].toFixed&&(e[t]=Number(e[t].toFixed(5)));return e}function B(e){return e.constructor.name.replace("Array","").toLowerCase()}const j={};function V(e=j){return R({},j,e),e=>{const t=e.getLogger(),n=e.getRoot(),s=e.createExtension(y);if(n.listAnimations().length)throw new Error("instance: Instancing is not currently supported for animated models.");let o=0,r=0;for(const i of n.listScenes()){const n=new Map;i.traverse(e=>{const t=e.getMesh();t&&n.set(t,(n.get(t)||new Set).add(e))});const a=[];for(const l of Array.from(n.keys())){const g=Array.from(n.get(l));if(g.length<2)continue;if(g.some(e=>e.getSkin()))continue;const u=D(e,s,l,g.length),f=u.getAttribute("TRANSLATION"),p=u.getAttribute("ROTATION"),m=u.getAttribute("SCALE"),d=e.createNode().setMesh(l).setExtension("EXT_mesh_gpu_instancing",u);i.addChild(d);let h=!1,A=!1,y=!1;for(let e=0;e<g.length;e++){let t,n,s;const o=g[e];f.setElement(e,t=o.getWorldTranslation()),p.setElement(e,n=o.getWorldRotation()),m.setElement(e,s=o.getWorldScale()),c.eq(t,[0,0,0])||(h=!0),c.eq(n,[0,0,0,1])||(A=!0),c.eq(s,[1,1,1])||(y=!0),o.setMesh(null),a.push(o)}h||f.dispose(),A||p.dispose(),y||m.dispose(),W(a,t),o++,r+=g.length}}o>0?t.info(`instance: Created ${o} batches, with ${r} total instances.`):(t.info("instance: No meshes with multiple parent nodes were found."),s.dispose()),t.debug("instance: Complete.")}}function W(e,t){let n,s=0;for(;n=e.pop();){if(n.listChildren().length||n.getCamera()||n.getMesh()||n.getSkin()||n.listExtensions().length)continue;const t=n.getParent();t instanceof l&&e.push(t),n.dispose(),s++}t.debug(`instance: Removed ${s} unused nodes.`)}function D(e,t,n,s){const o=n.listPrimitives()[0].getAttribute("POSITION").getBuffer(),r=e.createAccessor().setType("VEC3").setArray(new Float32Array(3*s)).setBuffer(o),i=e.createAccessor().setType("VEC4").setArray(new Float32Array(4*s)).setBuffer(o),a=e.createAccessor().setType("VEC3").setArray(new Float32Array(3*s)).setBuffer(o);return t.createInstancedMesh().setAttribute("TRANSLATION",r).setAttribute("ROTATION",i).setAttribute("SCALE",a)}const X={};function H(e=X){return R({},X,e),async e=>{const t=e.getLogger(),n=T.EXTENSION_NAME;if(!e.getRoot().listExtensionsUsed().map(e=>e.extensionName).includes(n))return void t.warn(`metalRough: Extension ${n} not found on given document.`);const s=e.createExtension(E),o=e.createExtension(S),r=e.createExtension(T),i=new Set;for(const t of e.getRoot().listMaterials()){const n=t.getExtension("KHR_materials_pbrSpecularGlossiness");if(!n)continue;const r=o.createSpecular().setSpecularFactor(1).setSpecularColorFactor(n.getSpecularFactor());i.add(n.getSpecularGlossinessTexture()),i.add(t.getBaseColorTexture()),i.add(t.getMetallicRoughnessTexture()),t.setBaseColorFactor(n.getDiffuseFactor()).setMetallicFactor(0).setRoughnessFactor(1).setExtension("KHR_materials_ior",s.createIOR().setIOR(1e3)).setExtension("KHR_materials_specular",r);const a=n.getDiffuseTexture();a&&(t.setBaseColorTexture(a),t.getBaseColorTextureInfo().copy(n.getDiffuseTextureInfo()));const c=n.getSpecularGlossinessTexture();if(c){const s=n.getSpecularGlossinessTextureInfo(),o=e.createTexture();await z(c,o,(e,t,n)=>{e.set(t,n,3,255)}),r.setSpecularTexture(o),r.getSpecularTextureInfo().copy(s);const i=n.getGlossinessFactor(),a=e.createTexture();await z(c,a,(e,t,n)=>{const s=255-Math.round(e.get(t,n,3)*i);e.set(t,n,0,0),e.set(t,n,1,s),e.set(t,n,2,0),e.set(t,n,3,255)}),t.setMetallicRoughnessTexture(a),t.getMetallicRoughnessTextureInfo().copy(s)}else r.setSpecularColorFactor(n.getSpecularFactor()),t.setRoughnessFactor(1-n.getGlossinessFactor());t.setExtension("KHR_materials_pbrSpecularGlossiness",null)}r.dispose();for(const e of i)e&&1===e.listParents().length&&e.dispose();t.debug("metalRough: Complete.")}}const K={animations:!0,meshes:!0},Z=(e=K)=>{const t=R({},K,e);return e=>{const n=e.getLogger();!1!==t.meshes&&function(e,t,n){const s=new Set(e.getRoot().listBuffers().map(e=>e.getURI()));e.getRoot().listMeshes().forEach((o,r)=>{if(Array.isArray(n.meshes)&&!n.meshes.includes(o.getName()))return void t.debug(`partition: Skipping mesh #${r} with name "${o.getName()}".`);t.debug(`partition: Creating buffer for mesh "${o.getName()}".`);const i=e.createBuffer(o.getName()).setURI(J(o.getName()||"mesh",s));o.listPrimitives().forEach(e=>{const t=e.getIndices();t&&t.setBuffer(i),e.listAttributes().forEach(e=>e.setBuffer(i)),e.listTargets().forEach(e=>{e.listAttributes().forEach(e=>e.setBuffer(i))})})})}(e,n,t),!1!==t.animations&&function(e,t,n){const s=new Set(e.getRoot().listBuffers().map(e=>e.getURI()));e.getRoot().listAnimations().forEach((o,r)=>{if(Array.isArray(n.animations)&&!n.animations.includes(o.getName()))return void t.debug(`partition: Skipping animation #${r} with name "${o.getName()}".`);t.debug(`partition: Creating buffer for animation "${o.getName()}".`);const i=e.createBuffer(o.getName()).setURI(J(o.getName()||"animation",s));o.listSamplers().forEach(e=>{const t=e.getInput(),n=e.getOutput();t&&t.setBuffer(i),n&&n.setBuffer(i)})})}(e,n,t),t.meshes||t.animations||n.warn("partition: Select animations or meshes to create a partition."),n.debug("partition: Complete.")}};function J(e,t){let n=`${e}.bin`,s=1;for(;t.has(n);)n=`${e}_${s++}.bin`;return n}const Q={},Y=function(e=Q){return R({},Q,e),e=>{const n=e.getLogger(),s=e.getRoot(),o=e.getGraph(),r={};s.listNodes().forEach(i),s.listSkins().forEach(i),s.listMeshes().forEach(i),s.listCameras().forEach(i),a(o,t.PRIMITIVE),a(o,t.PRIMITIVE_TARGET);for(const e of s.listAnimations()){for(const t of e.listChannels())t.getTargetNode()||(t.dispose(),c(t));if(e.listChannels().length)e.listSamplers().forEach(i);else{const t=e.listSamplers();i(e),t.forEach(i)}}if(s.listMaterials().forEach(i),s.listTextures().forEach(i),s.listAccessors().forEach(i),s.listBuffers().forEach(i),Object.keys(r).length){const e=Object.keys(r).map(e=>`${e} (${r[e]})`).join(", ");n.info(`prune: Removed types... ${e}`)}else n.info("prune: No unused properties found.");function i(e){e.listParents().filter(e=>!(e instanceof g||e instanceof u)).length||(e.dispose(),c(e))}function a(e,t){e.getLinks().map(e=>e.getParent()).filter(e=>e.propertyType===t).forEach(i)}function c(e){r[e.propertyType]=r[e.propertyType]||0,r[e.propertyType]++}n.debug("prune: Complete.")}},ee=[Int8Array,Int16Array,Int32Array],te={excludeAttributes:[],quantizationVolume:"mesh",quantizePosition:14,quantizeNormal:10,quantizeTexcoord:12,quantizeColor:8,quantizeWeight:8,quantizeGeneric:12},ne=(t=te)=>{const n=R({},te,t);return t=>{const s=t.getLogger(),o=t.getRoot();let r;t.createExtension(b).setRequired(!0),"scene"===n.quantizationVolume&&(1!==o.listScenes().length?s.warn("[quantize]: quantizationVolume=scene requires exactly 1 scene."):r=e(o.listScenes().pop()));for(const e of t.getRoot().listMeshes()){if(e.listPrimitives().some(e=>e.getAttribute("JOINTS_0"))){s.warn("quantize: Quantization for skinned mesh not yet implemented.");continue}const o=oe(e,r);o&&re(t,e,o);for(const s of e.listPrimitives()){se(t,s,o,n);for(const e of s.listTargets())se(t,e,o,n)}}s.debug("quantize: Complete.")}};function se(e,t,n,s){const r=e.getRoot(),i=e.getLogger(),a=n?n.nodeRemap:null;for(const n of t.listSemantics()){if(s.excludeAttributes.includes(n))continue;const o=t.getAttribute(n),{bits:c,ctor:l}=ae(n,o,i,s);if(!l)continue;if(c<8||c>16)throw new Error("quantize: Requires bits = 8–16.");if(o.getComponentSize()<=c/8)continue;const g=e.getGraph().listParentLinks(o).filter(e=>e.getParent()!==r).map(e=>e.getName());if(new Set(g).size>1)i.warn(`quantize: Skipping ${n}; attribute usage conflict.`);else{if("POSITION"===n){if(!a)throw new Error("quantize: Failed precondition; missing node transform.");for(let e=0,t=[0,0,0],n=o.getCount();e<n;e++)o.setElement(e,a(o.getElement(e,t)))}ie(o,l,c),o.setNormalized(!0)}}if(t instanceof o&&t.getIndices()&&t.listAttributes().length&&t.listAttributes()[0].getCount()<65535){const e=t.getIndices();e.setArray(new Uint16Array(e.getArray()))}}function oe(e,t){const n=e.listPrimitives().map(e=>e.getAttribute("POSITION"));if(!n.some(e=>!!e))return null;let s=[Infinity,Infinity,Infinity],o=[-Infinity,-Infinity,-Infinity];return t?(s=[...t.min],o=[...t.max]):function(e,t,n){const s=n[0].getElementSize();for(let t=0;t<s;t++)e[t]=Infinity;for(let e=0;e<s;e++)t[e]=-Infinity;const o=[],r=[];for(const i of n){i.getMinNormalized(o),i.getMaxNormalized(r);for(let n=0;n<s;n++)e[n]=Math.min(e[n],o[n]),t[n]=Math.max(t[n],r[n])}}(s,o,n),{nodeRemap:e=>[2*(e[0]-s[0])/(o[0]-s[0])-1,2*(e[1]-s[1])/(o[1]-s[1])-1,2*(e[2]-s[2])/(o[2]-s[2])-1],nodeOffset:[s[0]+(o[0]-s[0])/2,s[1]+(o[1]-s[1])/2,s[2]+(o[2]-s[2])/2],nodeScale:[(o[0]-s[0])/2,(o[1]-s[1])/2,(o[2]-s[2])/2]}}function re(e,t,n){const s=n.nodeOffset||[0,0,0],o=n.nodeScale||[1,1,1];for(const n of t.listParents())if(n instanceof l){const r=n.listChildren().length>0,i=!!n.listParents().find(e=>e instanceof f);let a;r||i?(a=e.createNode("").setMesh(t),n.addChild(a).setMesh(null)):a=n;const c=a.getTranslation(),l=a.getScale();a.setTranslation([c[0]+s[0],c[1]+s[1],c[2]+s[2]]).setScale([l[0]*o[0],l[1]*o[1],l[2]*o[2]])}}function ie(e,t,n){const s=new t(e.getArray().length),o=ee.includes(t)?1:0,r=n-o,i=8*t.BYTES_PER_ELEMENT-o,a=Math.pow(2,r)-1,c=i-r,l=2*r-i;for(let t=0,n=0,o=[];t<e.getCount();t++){e.getElement(t,o);for(let e=0;e<o.length;e++){let t=Math.round(Math.abs(o[e])*a);t=t<<c|t>>l,s[n++]=t*Math.sign(o[e])}}e.setArray(s)}function ae(e,t,n,s){const o=t.getMinNormalized([]),r=t.getMinNormalized([]);let i,a;if("POSITION"===e)i=s.quantizePosition,a=i<=8?Int8Array:Int16Array;else if("NORMAL"===e||"TANGENT"===e)i=s.quantizeNormal,a=i<=8?Int8Array:Int16Array;else if(e.startsWith("COLOR_"))i=s.quantizeColor,a=i<=8?Uint8Array:Uint16Array;else if(e.startsWith("TEXCOORD_")){if(o.some(e=>e<0)||r.some(e=>e>1))return n.warn(`quantize: Skipping ${e}; out of supported range.`),{bits:-1};i=s.quantizeTexcoord,a=i<=8?Uint8Array:Uint16Array}else{if(e.startsWith("JOINTS_"))return i=Math.max(...t.getMax([]))<=255?8:16,a=i<=8?Uint8Array:Uint16Array,t.getComponentSize()>i/8&&t.setArray(new a(t.getArray())),{bits:-1};if(e.startsWith("WEIGHTS_")){if(o.some(e=>e<0)||r.some(e=>e>1))return n.warn(`quantize: Skipping ${e}; out of supported range.`),{bits:-1};i=s.quantizeWeight,a=i<=8?Uint8Array:Uint16Array}else{if(!e.startsWith("_"))throw new Error(`quantize: Unexpected semantic, "${e}".`);if(o.some(e=>e<-1)||r.some(e=>e>1))return n.warn(`quantize: Skipping ${e}; out of supported range.`),{bits:-1};i=s.quantizeGeneric,a=a=o.some(e=>e<0)?i<=8?Int8Array:Int16Array:i<=8?Uint8Array:Uint16Array}}return{bits:i,ctor:a}}const ce={tolerance:1e-4},le=(e=ce)=>{const t=R({},ce,e);return e=>{const n=new Set,s=e.getRoot().listAccessors().length,o=e.getLogger();for(const s of e.getRoot().listAnimations())for(const e of s.listSamplers())"STEP"!==e.getInterpolation()&&"LINEAR"!==e.getInterpolation()||(n.add(e.getInput()),n.add(e.getOutput()),ge(e,t));for(const e of Array.from(n.values()))e.listParents().find(e=>!(e instanceof g))||e.dispose();e.getRoot().listAccessors().length>s&&o.warn('resample: Resampling required copying accessors, some of which may be duplicates. Consider using "dedup" to consolidate any duplicates.'),o.debug("resample: Complete.")}};function ge(e,t){if(!["STEP","LINEAR"].includes(e.getInterpolation()))return;const n=e.getInput().clone(),s=e.getOutput().clone(),o=t.tolerance,r=n.getCount()-1,i=[];let a=1;for(let t=1;t<r;++t){const r=n.getScalar(t),l=n.getScalar(t-1),g=n.getScalar(t+1),u=(r-l)/(g-l);let f=!1;if(r!==g&&(1!==t||r!==n.getScalar(0)))for(let n=0;n<s.getElementSize();n++){const r=s.getElement(t,i)[n],a=s.getElement(t-1,i)[n],l=s.getElement(t+1,i)[n];if("LINEAR"===e.getInterpolation()){if(Math.abs(r-(a*(1-(c=u))+l*c))>o){f=!0;break}}else if("STEP"===e.getInterpolation()&&(r!==a||r!==l)){f=!0;break}}f&&(t!==a&&(n.setScalar(a,n.getScalar(t)),s.setElement(a,s.getElement(t,i))),a++)}var c;r>0&&(n.setScalar(a,n.getScalar(r)),s.setElement(a,s.getElement(r,i)),a++),a!==n.getCount()?(n.setArray(n.getArray().slice(0,a)),s.setArray(s.getArray().slice(0,a*s.getElementSize())),e.setInput(n),e.setOutput(s)):(n.dispose(),s.dispose())}const ue={name:"",fps:10,pattern:/.*/,sort:!0};function fe(e=ue){const t=R({},ue,e);return e=>{const n=e.getLogger(),s=e.getRoot(),o=t.fps,r=s.listNodes().filter(e=>e.getName().match(t.pattern));t.sort&&r.sort((e,t)=>e.getName()>t.getName()?1:-1);const i=e.createAnimation(t.name),a=s.listBuffers()[0];r.forEach((t,n)=>{let s,c;0===n?(s=[n/o,(n+1)/o],c=[1,1,1,0,0,0]):n===r.length-1?(s=[(n-1)/o,n/o],c=[0,0,0,1,1,1]):(s=[(n-1)/o,n/o,(n+1)/o],c=[0,0,0,1,1,1,0,0,0]);const l=e.createAccessor().setArray(new Float32Array(s)).setBuffer(a),g=e.createAccessor().setArray(new Float32Array(c)).setBuffer(a).setType(p.Type.VEC3),f=e.createAnimationSampler().setInterpolation(m.Interpolation.STEP).setInput(l).setOutput(g),d=e.createAnimationChannel().setTargetNode(t).setTargetPath(u.TargetPath.SCALE).setSampler(f);i.addSampler(f).addChannel(d)}),n.debug("sequence: Complete.")}}const pe={overwrite:!1};function me(e=pe){if(!e.generateTangents)throw new Error('tangents: generateTangents callback required — install "mikktspace".');const t=R({},pe,e);return e=>{const n=e.getLogger(),s=new Map,o=new Map;let r=0;for(const i of e.getRoot().listMeshes()){const a=i.getName(),c=i.listPrimitives();for(let i=0;i<c.length;i++){const l=c[i];if(!de(l,n,a,i,t.overwrite))continue;const g=l.getAttribute("POSITION").getArray(),u=l.getAttribute("NORMAL").getArray(),f=l.getAttribute("TEXCOORD_0").getArray(),p=s.get(g)||d();s.set(g,p);const m=s.get(u)||d();s.set(u,m);const h=s.get(f)||d();s.set(f,h);const A=l.getAttribute("TANGENT");A&&2===A.listParents().length&&A.dispose();const y=`${p}|${m}|${h}`;let E=o.get(y);if(E){n.debug(`tangents: Found cache for primitive ${i} of mesh "${a}".`),l.setAttribute("TANGENT",E),r++;continue}n.debug(`tangents: Generating for primitive ${i} of mesh "${a}".`);const S=l.getAttribute("POSITION").getBuffer(),T=t.generateTangents(g instanceof Float32Array?g:new Float32Array(g),u instanceof Float32Array?u:new Float32Array(u),f instanceof Float32Array?f:new Float32Array(f));for(let e=3;e<T.length;e+=4)T[e]*=-1;E=e.createAccessor().setBuffer(S).setArray(T).setType("VEC4"),l.setAttribute("TANGENT",E),o.set(y,E),r++}}r?n.debug("tangents: Complete."):n.warn("tangents: No qualifying primitives found. See debug output.")}}function de(e,t,n,s,r){return e.getMode()===o.Mode.TRIANGLES&&e.getAttribute("POSITION")&&e.getAttribute("NORMAL")&&e.getAttribute("TEXCOORD_0")?e.getAttribute("TANGENT")&&!r?(t.debug(`tangents: Skipping primitive ${s} of mesh "${n}": TANGENT found.`),!1):!e.getIndices()||(t.warn(`tangents: Skipping primitive ${s} of mesh "${n}": primitives must be unwelded.`),!1):(t.debug(`tangents: Skipping primitive ${s} of mesh "${n}": primitives must have attributes=[POSITION, NORMAL, TEXCOORD_0] and mode=TRIANGLES.`),!1)}const he="textureResize";var Ae;!function(e){e.LANCZOS3="lanczos3",e.LANCZOS2="lanczos2"}(Ae||(Ae={}));const ye={size:[2048,2048],filter:Ae.LANCZOS3,pattern:null};function Ee(e=ye){const t=R({},ye,e);return async e=>{const n=e.getLogger();for(const s of e.getRoot().listTextures()){const e=s.getName(),o=s.getURI();if(t.pattern&&!t.pattern.test(e)&&!t.pattern.test(o))continue;if("image/png"!==s.getMimeType()&&"image/jpeg"!==s.getMimeType()){n.warn(`Skipping unsupported texture type, "${s.getMimeType()}".`);continue}const[r,i]=t.size,[a,c]=s.getSize();if(a<=r&&c<=i){n.debug(`${he}: Skipping "${o||e}", within size range.`);continue}let l=a,g=c;l>r&&(l=r,g=Math.floor(g*(l/a))),g>i&&(g=i,l=Math.floor(l*(g/c)));const u=new Uint8Array(s.getImage()),f=await h(u,s.getMimeType()),p=I(new Uint8Array(l*g*4),[l,g,4]);n.debug(`${he}: Resizing "${o||e}", ${f.shape} → ${p.shape}...`);try{t.filter===Ae.LANCZOS3?N(f,p):w(f,p)}catch(t){n.warn(`${he}: Failed to resize "${o||e}": "${t.message}".`);continue}s.setImage((await A(p,s.getMimeType())).buffer)}n.debug(`${he}: Complete.`)}}const Se={};function Te(e=Se){return R({},Se,e),e=>{const t=e.getLogger(),n=new Map;for(const s of e.getRoot().listMeshes())for(const e of s.listPrimitives()){const s=e.getIndices();if(s){for(const o of e.listAttributes())e.swap(o,be(o,s,t,n)),1===o.listParents().length&&o.dispose();for(const o of e.listTargets())for(const e of o.listAttributes())o.swap(e,be(e,s,t,n)),1===e.listParents().length&&e.dispose();e.setIndices(null),1===s.listParents().length&&s.dispose()}}t.debug("unweld: Complete.")}}function be(e,t,n,s){if(s.has(e)&&s.get(e).has(t))return n.debug(`unweld: Cache hit for reused attribute, "${e.getName()}".`),s.get(e).get(t);const o=e.clone(),r=e.getArray().constructor;o.setArray(new r(t.getCount()*e.getElementSize()));const i=[];for(let n=0;n<t.getCount();n++)o.setElement(n,e.getElement(t.getScalar(n),i));return s.has(e)||s.set(e,new Map),s.get(e).set(t,o),o}const Ie={tolerance:1e-4};function Ne(e=Ie){const t=R({},Ie,e);return e=>{const n=e.getLogger();for(const n of e.getRoot().listMeshes())for(const s of n.listPrimitives())0===t.tolerance?we(e,s):Re(e,s,t);n.debug("weld: Complete.")}}function we(e,t){if(t.getIndices())return;const n=t.listAttributes()[0],s=n.getCount(),o=n.getBuffer(),r=s<=65534?new Uint16Array(3*$(t)):new Uint32Array(3*$(t)),i=e.createAccessor().setBuffer(o).setType(p.Type.SCALAR).setArray(r);for(let e=0;e<i.getCount();e++)i.setScalar(e,e);t.setIndices(i)}function Re(e,t,n){const s=Math.max(n.tolerance,Number.EPSILON),o=Math.log10(1/s),r=Math.pow(10,o),i={},a=t.getIndices(),c=a?a.getCount():t.listAttributes()[0].getCount(),l=new Map;t.listAttributes().forEach(e=>l.set(e,[])),t.listTargets().forEach(e=>{e.listAttributes().forEach(e=>l.set(e,[]))});const g=[];let u=0;for(let e=0;e<c;e++){const n=a?a.getScalar(e):e,s=[],o=[];for(const e of t.listAttributes())for(let t=0;t<e.getElementSize();t++)s.push(~~(e.getElement(n,o)[t]*r));const c=s.join("|");if(c in i)g.push(i[c]);else{for(const e of t.listAttributes())l.get(e).push(e.getElement(n,[]));for(const e of t.listTargets())for(const t of e.listAttributes())l.get(t).push(t.getElement(n,[]));i[c]=u,g.push(u),u++}}const f=t.listAttributes()[0].getCount(),p=l.get(t.getAttribute("POSITION")).length;e.getLogger().debug(`weld: ${f} → ${p} vertices.`);for(const e of t.listAttributes())Ce(t,e,l.get(e)),1===e.listParents().length&&e.dispose();for(const e of t.listTargets())for(const t of e.listAttributes())Ce(e,t,l.get(t)),1===t.listParents().length&&t.dispose();if(a){const e=Me(a.getArray(),g.length);e.set(g),t.setIndices(a.clone().setArray(e)),1===a.listParents().length&&a.dispose()}else{const n=f<=65534?new Uint16Array(g):new Uint32Array(g);t.setIndices(e.createAccessor().setArray(n))}}function Me(e,t){return new(0,e.constructor)(t)}function Ce(e,t,n){const s=n.length*t.getElementSize(),o=Me(t.getArray(),s),r=t.clone().setArray(o);for(let e=0;e<n.length;e++)r.setElement(e,n[e]);e.swap(t,r)}export{te as QUANTIZE_DEFAULTS,ye as TEXTURE_RESIZE_DEFAULTS,Ae as TextureResizeFilter,C as center,O as colorspace,P as dedup,L as inspect,V as instance,H as metalRough,Z as partition,Y as prune,ne as quantize,le as resample,fe as sequence,me as tangents,Ee as textureResize,Te as unweld,Ne as weld};
 //# sourceMappingURL=functions.modern.js.map

package.json

 {
   "name": "@gltf-transform/functions",
-  "version": "0.12.1",
+  "version": "0.12.2",
   "repository": "github:donmccurdy/glTF-Transform",
@@ -27,4 +27,4 @@ "homepage": "https://gltf-transform.donmccurdy.com/functions.html",
   "dependencies": {
-    "@gltf-transform/core": "^0.12.1",
-    "@gltf-transform/extensions": "^0.12.1",
+    "@gltf-transform/core": "^0.12.2",
+    "@gltf-transform/extensions": "^0.12.2",
     "gl-matrix": "^3.3.0",
@@ -42,3 +42,3 @@ "ndarray": "^1.0.19",
   ],
-  "gitHead": "9786b58c9a984c8d73cc270e718be0fc5d2cf743",
+  "gitHead": "cc05ea715fe02fbf0f077f00795aae3bb9ac25c9",
   "publishConfig": {
@@ -45,0 +45,0 @@ "access": "public"

src/weld.ts

@@ -40,7 +40,12 @@ import { Accessor, Document, Primitive, PrimitiveTarget, Transform, TypedArray } from '@gltf-transform/core';
 	if (prim.getIndices()) return;
-	const buffer = prim.listAttributes()[0].getBuffer();
+	const attr = prim.listAttributes()[0];
+	const numVertices = attr.getCount();
+	const buffer = attr.getBuffer();
+	const indicesArray = numVertices <= 65534
+		? new Uint16Array(getGLPrimitiveCount(prim) * 3)
+		: new Uint32Array(getGLPrimitiveCount(prim) * 3);
 	const indices = doc.createAccessor()
 		.setBuffer(buffer)
 		.setType(Accessor.Type.SCALAR)
-		.setArray(new Uint32Array(getGLPrimitiveCount(prim) * 3));
+		.setArray(indicesArray);
 	for (let i = 0; i < indices.getCount(); i++) indices.setScalar(i, i);
@@ -135,3 +140,6 @@ prim.setIndices(indices);
 	} else {
-		prim.setIndices(doc.createAccessor().setArray(new Uint32Array(dstIndicesArray)));
+		const indicesArray = srcVertexCount <= 65534
+			? new Uint16Array(dstIndicesArray)
+			: new Uint32Array(dstIndicesArray);
+		prim.setIndices(doc.createAccessor().setArray(indicesArray));
 	}
@@ -138,0 +146,0 @@ }

New alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Fixed alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Worsened metrics

Total package byte prevSize

387418

decreased by-0.5%

Number of package files

41

decreased by-8.89%

Lines of code

2551

decreased by-3.04%

Dependency changes

• Updated@gltf-transform/core@^0.12.2

• Updated@gltf-transform/extensions@^0.12.2