@gltf-transform/functions - npm Package Compare versions

Comparing version 0.12.8 to 0.12.9

dist/functions.js

@@ -1,2 +0,2 @@
-var e=require("@gltf-transform/core"),t=require("ndarray-pixels"),r=require("@gltf-transform/extensions"),n=require("gl-matrix/mat4"),i=require("ndarray"),o=require("ndarray-lanczos");function a(e){return e&&"object"==typeof e&&"default"in e?e:{default:e}}var s=a(i);function u(){return(u=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 l(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 f(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 l(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)?l(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 c="center",g={pivot:"center"},p={propertyTypes:[e.PropertyType.ACCESSOR,e.PropertyType.MESH,e.PropertyType.TEXTURE]},d=function(t){void 0===t&&(t=p);for(var r,n=u({},p,t),i=new Set(n.propertyTypes),o=f(n.propertyTypes);!(r=o()).done;){var a=r.value;if(!p.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=f(r.listPrimitives());!(t=a()).done;){for(var u,l=t.value,c=[],g=f(l.listSemantics());!(u=g()).done;){var p=u.value,d=l.getAttribute(p);c.push(p+":"+i.get(d))}var v=l.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)},l=f(n.listMeshes());!(o=l()).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.Root||t.swap(r,n)}),r.dispose()})}(r,t),r.debug("dedup: Complete.")}},v=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 m(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())}}var h=function(){function e(){this._map=new Map}var t,r=e.prototype;return r.has=function(e){return this._map.has(e)},r.add=function(e,t){var r=this._map.get(e);return r||(r=new Set,this._map.set(e,r)),r.add(t),this},r.get=function(e){return this._map.get(e)||new Set},r.keys=function(){return this._map.keys()},(t=[{key:"size",get:function(){return this._map.size}}])&&function(e,t){for(var r=0;r<t.length;r++){var n=t[r];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(e,n.key,n)}}(e.prototype,t),e}();function y(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:I(n.min),bboxMax:I(n.max)}})}}function A(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=f(e.listSemantics());!(t=s()).done;){var u=t.value,l=e.getAttribute(u);i.add(u+":"+P(l.getArray())),a.add(l)}for(var c,g=f(e.listTargets());!(c=g()).done;)c.value.listAttributes().forEach(function(e){return a.add(e)});var p=e.getIndices();p&&(o.add(P(p.getArray())),a.add(p)),n+=e.listAttributes()[0].getCount(),r+=m(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 T(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 E(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 S(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 I(e){for(var t=0;t<e.length;t++)e[t].toFixed&&(e[t]=Number(e[t].toFixed(5)));return e}function P(e){return e.constructor.name.replace("Array","").toLowerCase()}var w="instance",M={};function R(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(w+": Removed "+i+" unused nodes.")}function N(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 C="undefined"!=typeof Symbol?Symbol.iterator||(Symbol.iterator=Symbol("Symbol.iterator")):"@@iterator";function x(e,t,r){if(!e.s){if(r instanceof O){if(!r.s)return void(r.o=x.bind(null,e,t));1&t&&(t=r.s),r=r.v}if(r&&r.then)return void r.then(x.bind(null,e,t),x.bind(null,e,2));e.s=t,e.v=r;var n=e.o;n&&n(e)}}var O=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{x(n,1,o(this.v))}catch(e){x(n,2,e)}return n}return this}return this.o=function(e){try{var i=e.v;1&e.s?x(n,1,t?t(i):i):r?x(n,1,r(i)):x(n,2,i)}catch(e){x(n,2,e)}},n},e}();function z(e){return e instanceof O&&1&e.s}var L={},U={propertyTypes:[e.PropertyType.NODE,e.PropertyType.SKIN,e.PropertyType.MESH,e.PropertyType.CAMERA,e.PropertyType.PRIMITIVE,e.PropertyType.PRIMITIVE_TARGET,e.PropertyType.ANIMATION,e.PropertyType.MATERIAL,e.PropertyType.TEXTURE,e.PropertyType.ACCESSOR,e.PropertyType.BUFFER]},F=function(t){void 0===t&&(t=U);var r=u({},U,t).propertyTypes;return function(t){var n=t.getLogger(),i=t.getRoot(),o=t.getGraph(),a={};if(r.includes(e.PropertyType.NODE)&&i.listNodes().forEach(m),r.includes(e.PropertyType.SKIN)&&i.listSkins().forEach(m),r.includes(e.PropertyType.MESH)&&i.listMeshes().forEach(m),r.includes(e.PropertyType.CAMERA)&&i.listCameras().forEach(m),r.includes(e.PropertyType.PRIMITIVE)&&h(o,e.PropertyType.PRIMITIVE),r.includes(e.PropertyType.PRIMITIVE_TARGET)&&h(o,e.PropertyType.PRIMITIVE_TARGET),r.includes(e.PropertyType.ANIMATION))for(var s,u=f(i.listAnimations());!(s=u()).done;){for(var l,c=s.value,g=f(c.listChannels());!(l=g()).done;){var p=l.value;p.getTargetNode()||(p.dispose(),y(p))}if(c.listChannels().length)c.listSamplers().forEach(m);else{var d=c.listSamplers();m(c),d.forEach(m)}}if(r.includes(e.PropertyType.MATERIAL)&&i.listMaterials().forEach(m),r.includes(e.PropertyType.TEXTURE)&&i.listTextures().forEach(m),r.includes(e.PropertyType.ACCESSOR)&&i.listAccessors().forEach(m),r.includes(e.PropertyType.BUFFER)&&i.listBuffers().forEach(m),Object.keys(a).length){var v=Object.keys(a).map(function(e){return e+" ("+a[e]+")"}).join(", ");n.info("prune: Removed types... "+v)}else n.info("prune: No unused properties found.");function m(t){t.listParents().filter(function(t){return!(t instanceof e.Root||t instanceof e.AnimationChannel)}).length||(t.dispose(),y(t))}function h(e,t){e.getLinks().map(function(e){return e.getParent()}).filter(function(e){return e.propertyType===t}).forEach(m)}function y(e){a[e.propertyType]=a[e.propertyType]||0,a[e.propertyType]++}n.debug("prune: Complete.")}},_="partition",k={animations:!0,meshes:!0};function B(e,t){for(var r=e+".bin",n=1;t.has(r);)r=e+"_"+n+++".bin";return r}var G="quantize",q=[Int8Array,Int16Array,Int32Array],j={excludeAttributes:[],quantizationVolume:"mesh",quantizePosition:14,quantizeNormal:10,quantizeTexcoord:12,quantizeColor:8,quantizeWeight:8,quantizeGeneric:12};function V(t,r,n,i){for(var o,a=t.getLogger(),s=f(r.listSemantics());!(o=s()).done;){var u=o.value;if(!i.excludeAttributes.includes(u)){var l=r.getAttribute(u),c=Q(u,l,a,i),g=c.bits,p=c.ctor;if(p){if(g<8||g>16)throw new Error(G+": Requires bits = 8–16.");if(!(l.getComponentSize()<=g/8)){var d=l.clone();if("POSITION"===u)for(var v=0,m=[0,0,0],h=d.getCount();v<h;v++)d.setElement(v,n.remap(d.getElement(v,m)));Z(d,p,g),r.swap(l,d)}}}}if(r instanceof e.Primitive&&r.getIndices()&&r.listAttributes().length&&r.listAttributes()[0].getCount()<65535){var y=r.getIndices();y.setArray(new Uint16Array(y.getArray()))}}function D(e,t){for(var r,n=new Array(t).fill(Infinity),i=new Array(t).fill(-Infinity),o=[],a=[],s=f(e);!(r=s()).done;){var u=r.value;u.getMinNormalized(o),u.getMaxNormalized(a);for(var l=0;l<t;l++)n[l]=Math.min(n[l],o[l]),i[l]=Math.max(i[l],a[l])}return{min:n,max:i}}function W(e){var t=e.min,r=e.max,n=Math.max((r[0]-t[0])/2,(r[1]-t[1])/2,(r[2]-t[2])/2),i=[t[0]+(r[0]-t[0])/2,t[1]+(r[1]-t[1])/2,t[2]+(r[2]-t[2])/2];return{remap:function(e){return[(e[0]-i[0])/n,(e[1]-i[1])/n,(e[2]-i[2])/n]},offset:i,scale:n}}function X(e){for(var t,r=[],n=f(e.listPrimitives());!(t=n()).done;){var i=t.value,o=i.getAttribute("POSITION");o&&r.push(o);for(var a,s=f(i.listTargets());!(a=s()).done;){var u=a.value.getAttribute("POSITION");u&&r.push(u)}}if(0===r.length)throw new Error(G+': Missing "POSITION" attribute.');return r}function H(t,r,i){for(var o,a=J(i),s=f(r.listParents());!(o=s()).done;){var u=o.value;if(u instanceof e.Node){var l=u.listChildren().length>0,c=!!u.listParents().find(function(t){return t instanceof e.Animation});if(u.getSkin()){u.setSkin(K(u.getSkin(),i));continue}var g=void 0;l||c?(g=t.createNode("").setMesh(r),u.addChild(g).setMesh(null)):g=u;var p=g.getMatrix();n.multiply(p,p,a),g.setMatrix(p)}}}function K(e,t){e=e.clone();for(var r=J(t),i=e.getInverseBindMatrices().clone(),o=[],a=0,s=i.getCount();a<s;a++)i.getElement(a,o),n.multiply(o,o,r),i.setElement(a,o);return e.setInverseBindMatrices(i)}function Z(e,t,r){for(var n=new t(e.getArray().length),i=q.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).setNormalized(!0)}function Q(e,t,r,n){var i,o,a=t.getMinNormalized([]),s=t.getMaxNormalized([]);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(G+": Skipping "+e+"; out of [0,1] 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(G+": Skipping "+e+"; out of [0,1] range."),{bits:-1};o=(i=n.quantizeWeight)<=8?Uint8Array:Uint16Array}else{if(!e.startsWith("_"))throw new Error(G+': Unexpected semantic, "'+e+'".');if(a.some(function(e){return e<-1})||s.some(function(e){return e>1}))return r.warn(G+": Skipping "+e+"; out of [-1,1] 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}}function J(e){return n.fromRotationTranslationScale([],[0,0,0,1],e.offset,[e.scale,e.scale,e.scale])}var Y={tolerance:1e-4};function $(e,t){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 ee={target:"size"};function te(e,t,r){for(var n=e.getElementSize(),i=e.getCount(),o=e.getArray(),a=o.slice(0,r*n),s=0;s<i;s++)for(var u=0;u<n;u++)a[t[s]*n+u]=o[s*n+u];e.setArray(a)}function re(e){for(var t,r=[],n=f(e.listAttributes());!(t=n()).done;)r.push(t.value);for(var i,o=f(e.listTargets());!(i=o()).done;)for(var a,s=f(i.value.listAttributes());!(a=s()).done;)r.push(a.value);return Array.from(new Set(r))}var ne={name:"",fps:10,pattern:/.*/,sort:!0},ie="tangents",oe={overwrite:!1};function ae(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(ie+": Skipping primitive "+i+' of mesh "'+n+'": TANGENT found.'),!1):!t.getIndices()||(r.warn(ie+": Skipping primitive "+i+' of mesh "'+n+'": primitives must be unwelded.'),!1):(r.debug(ie+": Skipping primitive "+i+' of mesh "'+n+'": primitives must have attributes=[POSITION, NORMAL, TEXCOORD_0] and mode=TRIANGLES.'),!1)}var se="undefined"!=typeof Symbol?Symbol.iterator||(Symbol.iterator=Symbol("Symbol.iterator")):"@@iterator";function ue(e,t,r){if(!e.s){if(r instanceof le){if(!r.s)return void(r.o=ue.bind(null,e,t));1&t&&(t=r.s),r=r.v}if(r&&r.then)return void r.then(ue.bind(null,e,t),ue.bind(null,e,2));e.s=t,e.v=r;var n=e.o;n&&n(e)}}var le=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{ue(n,1,o(this.v))}catch(e){ue(n,2,e)}return n}return this}return this.o=function(e){try{var i=e.v;1&e.s?ue(n,1,t?t(i):i):r?ue(n,1,r(i)):ue(n,2,i)}catch(e){ue(n,2,e)}},n},e}();function fe(e){return e instanceof le&&1&e.s}var ce,ge="textureResize";(ce=exports.TextureResizeFilter||(exports.TextureResizeFilter={})).LANCZOS3="lanczos3",ce.LANCZOS2="lanczos2";var pe={size:[2048,2048],filter:exports.TextureResizeFilter.LANCZOS3,pattern:null},de={};function ve(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 me={tolerance:1e-4};function he(t,r){if(!r.getIndices()){for(var n=r.listAttributes()[0],i=n.getCount(),o=n.getBuffer(),a=i<=65534?new Uint16Array(3*m(r)):new Uint32Array(3*m(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 ye(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(),l=new Map;t.listAttributes().forEach(function(e){return l.set(e,[])}),t.listTargets().forEach(function(e){e.listAttributes().forEach(function(e){return l.set(e,[])})});for(var c=[],g=0,p=0;p<u;p++){for(var d,v=s?s.getScalar(p):p,m=[],h=[],y=f(t.listAttributes());!(d=y()).done;)for(var A=d.value,T=0;T<A.getElementSize();T++)m.push(~~(A.getElement(v,h)[T]*o));var E=m.join("|");if(E in a)c.push(a[E]);else{for(var S,b=f(t.listAttributes());!(S=b()).done;){var I=S.value;l.get(I).push(I.getElement(v,[]))}for(var P,w=f(t.listTargets());!(P=w()).done;)for(var M,R=f(P.value.listAttributes());!(M=R()).done;){var N=M.value;l.get(N).push(N.getElement(v,[]))}a[E]=g,c.push(g),g++}}var C=t.listAttributes()[0].getCount(),x=l.get(t.getAttribute("POSITION")).length;e.getLogger().debug("weld: "+C+" → "+x+" vertices.");for(var O,z=f(t.listAttributes());!(O=z()).done;){var L=O.value;Te(t,L,l.get(L)),1===L.listParents().length&&L.dispose()}for(var U,F=f(t.listTargets());!(U=F()).done;)for(var _,k=U.value,B=f(k.listAttributes());!(_=B()).done;){var G=_.value;Te(k,G,l.get(G)),1===G.listParents().length&&G.dispose()}if(s){var q=Ae(s.getArray(),c.length);q.set(c),t.setIndices(s.clone().setArray(q)),1===s.listParents().length&&s.dispose()}else{var j=C<=65534?new Uint16Array(c):new Uint32Array(c);t.setIndices(e.createAccessor().setArray(j))}}function Ae(e,t){return new(0,e.constructor)(t)}function Te(e,t,r){for(var n=r.length*t.getElementSize(),i=Ae(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=j,exports.TEXTURE_RESIZE_DEFAULTS=pe,exports.center=function(t){void 0===t&&(t=g);var r=u({},g,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(c+": 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(c+': Pivot "'+u.join(", ")+'".');var f=[-1*u[0],-1*u[1],-1*u[2]];if(o){n.debug(c+": Model contains animation or skin. Adding a wrapper node.");var g=t.createNode("Pivot").setTranslation(f);a.listChildren().forEach(function(e){return g.addChild(e)}),a.addChild(g)}else n.debug(c+": Skipping wrapper, offsetting all root nodes."),a.listChildren().forEach(function(e){var t=e.getTranslation();e.setTranslation([t[0]+f[0],t[1]+f[1],t[2]+f[2]])})}),n.debug(c+": 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=d,exports.inspect=function(e){return{scenes:y(e),meshes:A(e),materials:T(e),textures:E(e),animations:S(e)}},exports.instance=function(t){return void 0===t&&(t=M),u({},M,t),function(t){var n=t.getLogger(),i=t.getRoot(),o=t.createExtension(r.MeshGPUInstancing);if(i.listAnimations().length)throw new Error(w+": Instancing is not currently supported for animated models.");for(var a,s=0,u=0,l=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=N(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,T=!1,E=!1,S=0;S<p.length;S++){var b,I,P,w=p[S];v.setElement(S,b=w.getWorldTranslation()),m.setElement(S,I=w.getWorldRotation()),h.setElement(S,P=w.getWorldScale()),e.MathUtils.eq(b,[0,0,0])||(A=!0),e.MathUtils.eq(I,[0,0,0,1])||(T=!0),e.MathUtils.eq(P,[1,1,1])||(E=!0),w.setMesh(null),l.push(w)}A||v.dispose(),T||m.dispose(),E||h.dispose(),R(l,n),s++,u+=p.length}}},c=f(i.listScenes());!(a=c()).done;)l();s>0?n.info(w+": Created "+s+" batches, with "+u+" total instances."):(n.info(w+": No meshes with multiple parent nodes were found."),o.dispose()),n.debug(w+": Complete.")}},exports.metalRough=function(e){return void 0===e&&(e=L),u({},L,e),function(e){try{var t=function(){s.dispose();for(var e,t=f(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,l=function(e,t,r){if("function"==typeof e[C]){var n,i,o,a=e[C]();if(function e(r){try{for(;!(n=a.next()).done;)if((r=t(n.value))&&r.then){if(!z(r))return void r.then(e,o||(o=x.bind(null,i=new O,2)));r=r.v}i?x(i,1,r):i=r}catch(e){x(i||(i=new O),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(!z(a))return void a.then(r,i||(i=x.bind(null,n=new O,2)));a=a.v}n?x(n,1,a):n=a}catch(e){x(n||(n=new O),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(v(l,o,function(e,t,r){e.set(t,r,3,255)})).then(function(){i.setSpecularTexture(o),i.setSpecularColorTexture(o),i.getSpecularTextureInfo().copy(r),i.getSpecularColorTextureInfo().copy(r);var a=n.getGlossinessFactor(),s=e.createTexture();return Promise.resolve(v(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(l&&l.then?l.then(t):t())}catch(e){return Promise.reject(e)}}},exports.partition=function(t){void 0===t&&(t=k);var r=u({},k,t);return function(t){try{var n=t.getLogger();return!1!==r.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(_+': Creating buffer for mesh "'+i.getName()+'".');var a=e.createBuffer(i.getName()).setURI(B(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(_+": Skipping mesh #"+o+' with name "'+i.getName()+'".')})}(t,n,r),!1!==r.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(_+': Creating buffer for animation "'+i.getName()+'".');var a=e.createBuffer(i.getName()).setURI(B(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(_+": Skipping animation #"+o+' with name "'+i.getName()+'".')})}(t,n,r),r.meshes||r.animations||n.warn(_+": Select animations or meshes to create a partition."),Promise.resolve(t.transform(F({propertyTypes:[e.PropertyType.BUFFER]}))).then(function(){n.debug(_+": Complete.")})}catch(e){return Promise.reject(e)}}},exports.prune=F,exports.quantize=function(t){void 0===t&&(t=j);var n=u({},j,t);return function(t){try{var i=t.getLogger(),o=t.getRoot();t.createExtension(r.MeshQuantization).setRequired(!0);var a=void 0;if("scene"===n.quantizationVolume){for(var s,u=[],l=f(o.listMeshes());!(s=l()).done;)u.push.apply(u,X(s.value));a=W(D(u,3))}for(var c,g=f(t.getRoot().listMeshes());!(c=g()).done;){var p=c.value;"mesh"===n.quantizationVolume&&(a=W(D(X(p),3))),a&&!n.excludeAttributes.includes("POSITION")&&H(t,p,a);for(var v,m=f(p.listPrimitives());!(v=m()).done;){var h=v.value;V(t,h,a,n);for(var y,A=f(h.listTargets());!(y=A()).done;)V(t,y.value,a,n)}}return Promise.resolve(t.transform(F({propertyTypes:[e.PropertyType.ACCESSOR,e.PropertyType.SKIN]}),d({propertyTypes:[e.PropertyType.ACCESSOR]}))).then(function(){i.debug(G+": Complete.")})}catch(e){return Promise.reject(e)}}},exports.reorder=function(t){void 0===t&&(t=ee);var r=u({},ee,t),n=r.encoder;return function(t){try{var i=t.getLogger();return Promise.resolve(n.ready).then(function(){for(var o,a=function(e){for(var t,r=new h,n=new Map,i=new h,o=f(e.getRoot().listMeshes());!(t=o()).done;)for(var a,s=f(t.value.listPrimitives());!(a=s()).done;){var u=a.value,l=u.getIndices();if(l){n.set(l,u.getMode());for(var c,g=f(re(u));!(c=g()).done;){var p=c.value;r.add(l,p),i.add(p,u)}}}return{indicesToAttributes:r,indicesToMode:n,attributesToPrimitives:i}}(t),s=f(a.indicesToAttributes.keys());!(o=s()).done;){var u=o.value,l=u.clone(),c=l.getArray().slice();c instanceof Uint32Array||(c=new Uint32Array(c));var g=n.reorderMesh(c,a.indicesToMode.get(u)===e.Primitive.Mode.TRIANGLES,"size"===r.target),p=g[0],d=g[1];l.setArray(d<=65534?new Uint16Array(c):c);for(var v,m=f(a.indicesToAttributes.get(u));!(v=m()).done;){var y=v.value,A=y.clone();te(A,p,d);for(var T,E=f(a.attributesToPrimitives.get(y));!(T=E()).done;){var S=T.value;if(S.getIndices()===u&&S.swap(u,l),S.getIndices()===l){S.swap(y,A);for(var b,I=f(S.listTargets());!(b=I()).done;)b.value.swap(y,A)}}}}return Promise.resolve(t.transform(F({propertyTypes:[e.PropertyType.ACCESSOR]}))).then(function(){a.indicesToAttributes.size?i.debug("reorder: Complete."):i.warn("reorder: No qualifying primitives found; may need to weld first.")})})}catch(e){return Promise.reject(e)}}},exports.resample=function(t){void 0===t&&(t=Y);var r=u({},Y,t);return function(t){for(var n,i=new Set,o=t.getRoot().listAccessors().length,a=t.getLogger(),s=!1,u=f(t.getRoot().listAnimations());!(n=u()).done;){for(var l,c=n.value,g=new Set,p=f(c.listChannels());!(l=p()).done;){var d=l.value;d.getSampler()&&"weights"===d.getTargetPath()&&g.add(d.getSampler())}for(var v,m=f(c.listSamplers());!(v=m()).done;){var h=v.value;g.has(h)?s=!0:"STEP"!==h.getInterpolation()&&"LINEAR"!==h.getInterpolation()||(i.add(h.getInput()),i.add(h.getOutput()),$(h,r))}}for(var y=0,A=Array.from(i.values());y<A.length;y++){var T=A[y];T.listParents().some(function(t){return!(t instanceof e.Root)})||T.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.'),s&&a.warn("resample: Skipped optimizing morph target keyframes, not yet supported."),a.debug("resample: Complete.")}},exports.sequence=function(t){void 0===t&&(t=ne);var r=u({},ne,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=oe),!t.generateTangents)throw new Error(ie+': generateTangents callback required — install "mikktspace".');var r=u({},oe,t);return function(t){for(var n,i=t.getLogger(),o=new Map,a=new Map,s=0,u=f(t.getRoot().listMeshes());!(n=u()).done;)for(var l=n.value,c=l.getName(),g=l.listPrimitives(),p=0;p<g.length;p++){var d=g[p];if(ae(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 T=o.get(h)||e.uuid();o.set(h,T);var E=d.getAttribute("TANGENT");E&&2===E.listParents().length&&E.dispose();var S=y+"|"+A+"|"+T,b=a.get(S);if(b)i.debug(ie+": Found cache for primitive "+p+' of mesh "'+c+'".'),d.setAttribute("TANGENT",b),s++;else{i.debug(ie+": Generating for primitive "+p+' of mesh "'+c+'".');for(var I=d.getAttribute("POSITION").getBuffer(),P=r.generateTangents(v instanceof Float32Array?v:new Float32Array(v),m instanceof Float32Array?m:new Float32Array(m),h instanceof Float32Array?h:new Float32Array(h)),w=3;w<P.length;w+=4)P[w]*=-1;b=t.createAccessor().setBuffer(I).setArray(P).setType("VEC4"),d.setAttribute("TANGENT",b),a.set(S,b),s++}}}s?i.debug(ie+": Complete."):i.warn(ie+": No qualifying primitives found. See debug output.")}},exports.textureResize=function(e){void 0===e&&(e=pe);var r=u({},pe,e);return function(e){try{var n=function(){i.debug(ge+": Complete.")},i=e.getLogger(),a=function(e,t,r){if("function"==typeof e[se]){var n,i,o,a=e[se]();if(function e(r){try{for(;!(n=a.next()).done;)if((r=t(n.value))&&r.then){if(!fe(r))return void r.then(e,o||(o=ue.bind(null,i=new le,2)));r=r.v}i?ue(i,1,r):i=r}catch(e){ue(i||(i=new le),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(!fe(a))return void a.then(r,i||(i=ue.bind(null,n=new le,2)));a=a.v}n?ue(n,1,a):n=a}catch(e){ue(n||(n=new le),2,e)}}(),n}(u,function(e){return t(u[e])})}(e.getRoot().listTextures(),function(e){var n=e.getName(),a=e.getURI();if(!r.pattern||r.pattern.test(n)||r.pattern.test(a))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=s.default(new Uint8Array(d*v*4),[d,v,4]);i.debug(ge+': Resizing "'+(a||n)+'", '+u.shape+" → "+l.shape+"...");try{r.filter===exports.TextureResizeFilter.LANCZOS3?o.lanczos3(u,l):o.lanczos2(u,l)}catch(e){return void i.warn(ge+': Failed to resize "'+(a||n)+'": "'+e.message+'".')}var f=e.setImage;return Promise.resolve(t.savePixels(l,e.getMimeType())).then(function(t){f.call(e,t.buffer)})})}i.debug(ge+': Skipping "'+(a||n)+'", within size range.')}else i.warn('Skipping unsupported texture type, "'+e.getMimeType()+'".')});return Promise.resolve(a&&a.then?a.then(n):n())}catch(e){return Promise.reject(e)}}},exports.unweld=function(e){return void 0===e&&(e=de),u({},de,e),function(e){for(var t,r=e.getLogger(),n=new Map,i=f(e.getRoot().listMeshes());!(t=i()).done;)for(var o,a=f(t.value.listPrimitives());!(o=a()).done;){var s=o.value,u=s.getIndices();if(u){for(var l,c=f(s.listAttributes());!(l=c()).done;){var g=l.value;s.swap(g,ve(g,u,r,n)),1===g.listParents().length&&g.dispose()}for(var p,d=f(s.listTargets());!(p=d()).done;)for(var v,m=p.value,h=f(m.listAttributes());!(v=h()).done;){var y=v.value;m.swap(y,ve(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=me);var t=u({},me,e);return function(e){for(var r,n=e.getLogger(),i=f(e.getRoot().listMeshes());!(r=i()).done;)for(var o,a=f(r.value.listPrimitives());!(o=a()).done;){var s=o.value;0===t.tolerance?he(e,s):ye(e,s,t)}n.debug("weld: Complete.")}};
+var e=require("@gltf-transform/core"),t=require("ndarray-pixels"),r=require("@gltf-transform/extensions"),n=require("gl-matrix/mat4"),i=require("gl-matrix/vec3"),o=require("ndarray"),a=require("ndarray-lanczos");function s(e){return e&&"object"==typeof e&&"default"in e?e:{default:e}}var u=s(o);function l(){return(l=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 f(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 c(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 f(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)?f(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 g="center",p={pivot:"center"},v={propertyTypes:[e.PropertyType.ACCESSOR,e.PropertyType.MESH,e.PropertyType.TEXTURE]},d=function(t){void 0===t&&(t=v);for(var r,n=l({},v,t),i=new Set(n.propertyTypes),o=c(n.propertyTypes);!(r=o()).done;){var a=r.value;if(!v.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=c(r.listPrimitives());!(t=a()).done;){for(var u,l=t.value,f=[],g=c(l.listSemantics());!(u=g()).done;){var p=u.value,v=l.getAttribute(p);f.push(p+":"+i.get(v))}var d=l.getIndices();d&&f.push("indices:"+i.get(d)),n.push(f.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)},l=c(n.listMeshes());!(o=l()).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.Root||t.swap(r,n)}),r.dispose()})}(r,t),r.debug("dedup: Complete.")}},m=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 h(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())}}var y=function(){function e(){this._map=new Map}var t,r=e.prototype;return r.has=function(e){return this._map.has(e)},r.add=function(e,t){var r=this._map.get(e);return r||(r=new Set,this._map.set(e,r)),r.add(t),this},r.get=function(e){return this._map.get(e)||new Set},r.keys=function(){return this._map.keys()},(t=[{key:"size",get:function(){return this._map.size}}])&&function(e,t){for(var r=0;r<t.length;r++){var n=t[r];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(e,n.key,n)}}(e.prototype,t),e}();function A(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:P(n.min),bboxMax:P(n.max)}})}}function T(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=c(e.listSemantics());!(t=s()).done;){var u=t.value,l=e.getAttribute(u);i.add(u+":"+w(l.getArray())),a.add(l)}for(var f,g=c(e.listTargets());!(f=g()).done;)f.value.listAttributes().forEach(function(e){return a.add(e)});var p=e.getIndices();p&&(o.add(w(p.getArray())),a.add(p)),n+=e.listAttributes()[0].getCount(),r+=h(e)});var s=0;Array.from(a).forEach(function(e){return s+=e.getArray().byteLength});var u=e.listPrimitives().map(function(e){return I[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 S(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 E(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 b(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 I=["POINTS","LINES","LINE_LOOP","LINE_STRIP","TRIANGLES","TRIANGLE_STRIP","TRIANGLE_FAN"];function P(e){for(var t=0;t<e.length;t++)e[t].toFixed&&(e[t]=Number(e[t].toFixed(5)));return e}function w(e){return e.constructor.name.replace("Array","").toLowerCase()}var M="instance",R={};function x(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(M+": Removed "+i+" unused nodes.")}function N(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 C="undefined"!=typeof Symbol?Symbol.iterator||(Symbol.iterator=Symbol("Symbol.iterator")):"@@iterator";function O(e,t,r){if(!e.s){if(r instanceof z){if(!r.s)return void(r.o=O.bind(null,e,t));1&t&&(t=r.s),r=r.v}if(r&&r.then)return void r.then(O.bind(null,e,t),O.bind(null,e,2));e.s=t,e.v=r;var n=e.o;n&&n(e)}}var z=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{O(n,1,o(this.v))}catch(e){O(n,2,e)}return n}return this}return this.o=function(e){try{var i=e.v;1&e.s?O(n,1,t?t(i):i):r?O(n,1,r(i)):O(n,2,i)}catch(e){O(n,2,e)}},n},e}();function L(e){return e instanceof z&&1&e.s}var U={},F={propertyTypes:[e.PropertyType.NODE,e.PropertyType.SKIN,e.PropertyType.MESH,e.PropertyType.CAMERA,e.PropertyType.PRIMITIVE,e.PropertyType.PRIMITIVE_TARGET,e.PropertyType.ANIMATION,e.PropertyType.MATERIAL,e.PropertyType.TEXTURE,e.PropertyType.ACCESSOR,e.PropertyType.BUFFER]},_=function(t){void 0===t&&(t=F);var r=l({},F,t).propertyTypes;return function(t){var n=t.getLogger(),i=t.getRoot(),o=t.getGraph(),a={};if(r.includes(e.PropertyType.NODE)&&i.listNodes().forEach(m),r.includes(e.PropertyType.SKIN)&&i.listSkins().forEach(m),r.includes(e.PropertyType.MESH)&&i.listMeshes().forEach(m),r.includes(e.PropertyType.CAMERA)&&i.listCameras().forEach(m),r.includes(e.PropertyType.PRIMITIVE)&&h(o,e.PropertyType.PRIMITIVE),r.includes(e.PropertyType.PRIMITIVE_TARGET)&&h(o,e.PropertyType.PRIMITIVE_TARGET),r.includes(e.PropertyType.ANIMATION))for(var s,u=c(i.listAnimations());!(s=u()).done;){for(var l,f=s.value,g=c(f.listChannels());!(l=g()).done;){var p=l.value;p.getTargetNode()||(p.dispose(),y(p))}if(f.listChannels().length)f.listSamplers().forEach(m);else{var v=f.listSamplers();m(f),v.forEach(m)}}if(r.includes(e.PropertyType.MATERIAL)&&i.listMaterials().forEach(m),r.includes(e.PropertyType.TEXTURE)&&i.listTextures().forEach(m),r.includes(e.PropertyType.ACCESSOR)&&i.listAccessors().forEach(m),r.includes(e.PropertyType.BUFFER)&&i.listBuffers().forEach(m),Object.keys(a).length){var d=Object.keys(a).map(function(e){return e+" ("+a[e]+")"}).join(", ");n.info("prune: Removed types... "+d)}else n.info("prune: No unused properties found.");function m(t){t.listParents().filter(function(t){return!(t instanceof e.Root||t instanceof e.AnimationChannel)}).length||(t.dispose(),y(t))}function h(e,t){e.getLinks().map(function(e){return e.getParent()}).filter(function(e){return e.propertyType===t}).forEach(m)}function y(e){a[e.propertyType]=a[e.propertyType]||0,a[e.propertyType]++}n.debug("prune: Complete.")}},k="partition",q={animations:!0,meshes:!0};function B(e,t){for(var r=e+".bin",n=1;t.has(r);)r=e+"_"+n+++".bin";return r}var G="quantize",j=[Int8Array,Int16Array,Int32Array],V={excludeAttributes:[],quantizationVolume:"mesh",quantizePosition:14,quantizeNormal:10,quantizeTexcoord:12,quantizeColor:8,quantizeWeight:8,quantizeGeneric:12};function D(t,r,o,a){for(var s,u=t.getLogger(),l=c(r.listSemantics());!(s=l()).done;){var f=s.value;if(!a.excludeAttributes.includes(f)){var g=r.getAttribute(f),p=Z(f,g,u,a),v=p.bits,d=p.ctor;if(d){if(v<8||v>16)throw new Error(G+": Requires bits = 8–16.");if(!(g.getComponentSize()<=v/8)){var m=g.clone();if("POSITION"===f){var h=o.scale,y=[];r instanceof e.Primitive?n.invert(y,Y(o)):n.fromScaling(y,[1/h,1/h,1/h]);for(var A=0,T=[0,0,0],S=m.getCount();A<S;A++)m.getElement(A,T),m.setElement(A,i.transformMat4(T,T,y))}K(m,d,v),r.swap(g,m)}}}}if(r instanceof e.Primitive&&r.getIndices()&&r.listAttributes().length&&r.listAttributes()[0].getCount()<65535){var E=r.getIndices();E.setArray(new Uint16Array(E.getArray()))}}function W(e){var t=e.min,r=e.max,n=Math.max((r[0]-t[0])/2,(r[1]-t[1])/2,(r[2]-t[2])/2);return{offset:[t[0]+(r[0]-t[0])/2,t[1]+(r[1]-t[1])/2,t[2]+(r[2]-t[2])/2],scale:n}}function X(t,r,i){for(var o,a=Y(i),s=c(r.listParents());!(o=s()).done;){var u=o.value;if(u instanceof e.Node){var l=u.listChildren().length>0,f=!!u.listParents().find(function(t){return t instanceof e.Animation});if(u.getSkin()){u.setSkin(H(u.getSkin(),i));continue}var g=void 0;l||f?(g=t.createNode("").setMesh(r),u.addChild(g).setMesh(null)):g=u;var p=g.getMatrix();n.multiply(p,p,a),g.setMatrix(p)}}}function H(e,t){e=e.clone();for(var r=Y(t),i=e.getInverseBindMatrices().clone(),o=[],a=0,s=i.getCount();a<s;a++)i.getElement(a,o),n.multiply(o,o,r),i.setElement(a,o);return e.setInverseBindMatrices(i)}function K(e,t,r){for(var n=new t(e.getArray().length),i=j.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 v=Math.round(Math.abs(g[p])*s);n[c++]=(v=v<<u|v>>l)*Math.sign(g[p])}}e.setArray(n).setNormalized(!0)}function Z(e,t,r,n){var i,o,a=t.getMinNormalized([]),s=t.getMaxNormalized([]);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(G+": Skipping "+e+"; out of [0,1] 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(G+": Skipping "+e+"; out of [0,1] range."),{bits:-1};o=(i=n.quantizeWeight)<=8?Uint8Array:Uint16Array}else{if(!e.startsWith("_"))throw new Error(G+': Unexpected semantic, "'+e+'".');if(a.some(function(e){return e<-1})||s.some(function(e){return e>1}))return r.warn(G+": Skipping "+e+"; out of [-1,1] 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}}function Q(e){for(var t,r=[],n=[],o=c(e.listPrimitives());!(t=o()).done;){var a=t.value,s=a.getAttribute("POSITION");s&&r.push(s);for(var u,l=c(a.listTargets());!(u=l()).done;){var f=u.value.getAttribute("POSITION");f&&n.push(f)}}if(0===r.length)throw new Error(G+': Missing "POSITION" attribute.');var g=J(r,3);if(n.length>0){var p=J(n,3),v=p.min,d=p.max;i.min(g.min,g.min,i.min(v,i.scale(v,v,2),[0,0,0])),i.max(g.max,g.max,i.max(d,i.scale(d,d,2),[0,0,0]))}return g}function J(e,t){for(var r,n=new Array(t).fill(Infinity),i=new Array(t).fill(-Infinity),o=[],a=[],s=c(e);!(r=s()).done;){var u=r.value;u.getMinNormalized(o),u.getMaxNormalized(a);for(var l=0;l<t;l++)n[l]=Math.min(n[l],o[l]),i[l]=Math.max(i[l],a[l])}return{min:n,max:i}}function Y(e){return n.fromRotationTranslationScale([],[0,0,0,1],e.offset,[e.scale,e.scale,e.scale])}var $={tolerance:1e-4};function ee(e,t){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),v=!1;if(f!==g&&(1!==l||f!==n.getScalar(0)))for(var d=0;d<i.getElementSize();d++){var m=i.getElement(l,s)[d],h=i.getElement(l-1,s)[d],y=i.getElement(l+1,s)[d];if("LINEAR"===e.getInterpolation()){if(Math.abs(m-(h*(1-(r=p))+y*r))>o){v=!0;break}}else if("STEP"===e.getInterpolation()&&(m!==h||m!==y)){v=!0;break}}v&&(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 te={target:"size"};function re(e,t,r){for(var n=e.getElementSize(),i=e.getCount(),o=e.getArray(),a=o.slice(0,r*n),s=0;s<i;s++)for(var u=0;u<n;u++)a[t[s]*n+u]=o[s*n+u];e.setArray(a)}function ne(e){for(var t,r=[],n=c(e.listAttributes());!(t=n()).done;)r.push(t.value);for(var i,o=c(e.listTargets());!(i=o()).done;)for(var a,s=c(i.value.listAttributes());!(a=s()).done;)r.push(a.value);return Array.from(new Set(r))}var ie={name:"",fps:10,pattern:/.*/,sort:!0},oe="tangents",ae={overwrite:!1};function se(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(oe+": Skipping primitive "+i+' of mesh "'+n+'": TANGENT found.'),!1):!t.getIndices()||(r.warn(oe+": Skipping primitive "+i+' of mesh "'+n+'": primitives must be unwelded.'),!1):(r.debug(oe+": Skipping primitive "+i+' of mesh "'+n+'": primitives must have attributes=[POSITION, NORMAL, TEXCOORD_0] and mode=TRIANGLES.'),!1)}var ue="undefined"!=typeof Symbol?Symbol.iterator||(Symbol.iterator=Symbol("Symbol.iterator")):"@@iterator";function le(e,t,r){if(!e.s){if(r instanceof fe){if(!r.s)return void(r.o=le.bind(null,e,t));1&t&&(t=r.s),r=r.v}if(r&&r.then)return void r.then(le.bind(null,e,t),le.bind(null,e,2));e.s=t,e.v=r;var n=e.o;n&&n(e)}}var fe=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{le(n,1,o(this.v))}catch(e){le(n,2,e)}return n}return this}return this.o=function(e){try{var i=e.v;1&e.s?le(n,1,t?t(i):i):r?le(n,1,r(i)):le(n,2,i)}catch(e){le(n,2,e)}},n},e}();function ce(e){return e instanceof fe&&1&e.s}var ge,pe="textureResize";(ge=exports.TextureResizeFilter||(exports.TextureResizeFilter={})).LANCZOS3="lanczos3",ge.LANCZOS2="lanczos2";var ve={size:[2048,2048],filter:exports.TextureResizeFilter.LANCZOS3,pattern:null},de={};function me(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 he={tolerance:1e-4};function ye(t,r){if(!r.getIndices()){for(var n=r.listAttributes()[0],i=n.getCount(),o=n.getBuffer(),a=i<=65534?new Uint16Array(3*h(r)):new Uint32Array(3*h(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 Ae(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(),l=new Map;t.listAttributes().forEach(function(e){return l.set(e,[])}),t.listTargets().forEach(function(e){e.listAttributes().forEach(function(e){return l.set(e,[])})});for(var f=[],g=0,p=0;p<u;p++){for(var v,d=s?s.getScalar(p):p,m=[],h=[],y=c(t.listAttributes());!(v=y()).done;)for(var A=v.value,T=0;T<A.getElementSize();T++)m.push(~~(A.getElement(d,h)[T]*o));var S=m.join("|");if(S in a)f.push(a[S]);else{for(var E,b=c(t.listAttributes());!(E=b()).done;){var I=E.value;l.get(I).push(I.getElement(d,[]))}for(var P,w=c(t.listTargets());!(P=w()).done;)for(var M,R=c(P.value.listAttributes());!(M=R()).done;){var x=M.value;l.get(x).push(x.getElement(d,[]))}a[S]=g,f.push(g),g++}}var N=t.listAttributes()[0].getCount(),C=l.get(t.getAttribute("POSITION")).length;e.getLogger().debug("weld: "+N+" → "+C+" vertices.");for(var O,z=c(t.listAttributes());!(O=z()).done;){var L=O.value;Se(t,L,l.get(L)),1===L.listParents().length&&L.dispose()}for(var U,F=c(t.listTargets());!(U=F()).done;)for(var _,k=U.value,q=c(k.listAttributes());!(_=q()).done;){var B=_.value;Se(k,B,l.get(B)),1===B.listParents().length&&B.dispose()}if(s){var G=Te(s.getArray(),f.length);G.set(f),t.setIndices(s.clone().setArray(G)),1===s.listParents().length&&s.dispose()}else{var j=N<=65534?new Uint16Array(f):new Uint32Array(f);t.setIndices(e.createAccessor().setArray(j))}}function Te(e,t){return new(0,e.constructor)(t)}function Se(e,t,r){for(var n=r.length*t.getElementSize(),i=Te(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=V,exports.TEXTURE_RESIZE_DEFAULTS=ve,exports.center=function(t){void 0===t&&(t=p);var r=l({},p,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(g+": 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(g+': Pivot "'+u.join(", ")+'".');var f=[-1*u[0],-1*u[1],-1*u[2]];if(o){n.debug(g+": Model contains animation or skin. Adding a wrapper node.");var c=t.createNode("Pivot").setTranslation(f);a.listChildren().forEach(function(e){return c.addChild(e)}),a.addChild(c)}else n.debug(g+": Skipping wrapper, offsetting all root nodes."),a.listChildren().forEach(function(e){var t=e.getTranslation();e.setTranslation([t[0]+f[0],t[1]+f[1],t[2]+f[2]])})}),n.debug(g+": 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=d,exports.inspect=function(e){return{scenes:A(e),meshes:T(e),materials:S(e),textures:E(e),animations:b(e)}},exports.instance=function(t){return void 0===t&&(t=R),l({},R,t),function(t){var n=t.getLogger(),i=t.getRoot(),o=t.createExtension(r.MeshGPUInstancing);if(i.listAnimations().length)throw new Error(M+": Instancing is not currently supported for animated models.");for(var a,s=0,u=0,l=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 v=N(t,o,g,p.length),d=v.getAttribute("TRANSLATION"),m=v.getAttribute("ROTATION"),h=v.getAttribute("SCALE"),y=t.createNode().setMesh(g).setExtension("EXT_mesh_gpu_instancing",v);r.addChild(y);for(var A=!1,T=!1,S=!1,E=0;E<p.length;E++){var b,I,P,w=p[E];d.setElement(E,b=w.getWorldTranslation()),m.setElement(E,I=w.getWorldRotation()),h.setElement(E,P=w.getWorldScale()),e.MathUtils.eq(b,[0,0,0])||(A=!0),e.MathUtils.eq(I,[0,0,0,1])||(T=!0),e.MathUtils.eq(P,[1,1,1])||(S=!0),w.setMesh(null),l.push(w)}A||d.dispose(),T||m.dispose(),S||h.dispose(),x(l,n),s++,u+=p.length}}},f=c(i.listScenes());!(a=f()).done;)l();s>0?n.info(M+": Created "+s+" batches, with "+u+" total instances."):(n.info(M+": No meshes with multiple parent nodes were found."),o.dispose()),n.debug(M+": Complete.")}},exports.metalRough=function(e){return void 0===e&&(e=U),l({},U,e),function(e){try{var t=function(){s.dispose();for(var e,t=c(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,l=function(e,t,r){if("function"==typeof e[C]){var n,i,o,a=e[C]();if(function e(r){try{for(;!(n=a.next()).done;)if((r=t(n.value))&&r.then){if(!L(r))return void r.then(e,o||(o=O.bind(null,i=new z,2)));r=r.v}i?O(i,1,r):i=r}catch(e){O(i||(i=new z),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(!L(a))return void a.then(r,i||(i=O.bind(null,n=new z,2)));a=a.v}n?O(n,1,a):n=a}catch(e){O(n||(n=new z),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(m(l,o,function(e,t,r){e.set(t,r,3,255)})).then(function(){i.setSpecularTexture(o),i.setSpecularColorTexture(o),i.getSpecularTextureInfo().copy(r),i.getSpecularColorTextureInfo().copy(r);var a=n.getGlossinessFactor(),s=e.createTexture();return Promise.resolve(m(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(l&&l.then?l.then(t):t())}catch(e){return Promise.reject(e)}}},exports.partition=function(t){void 0===t&&(t=q);var r=l({},q,t);return function(t){try{var n=t.getLogger();return!1!==r.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(k+': Creating buffer for mesh "'+i.getName()+'".');var a=e.createBuffer(i.getName()).setURI(B(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(k+": Skipping mesh #"+o+' with name "'+i.getName()+'".')})}(t,n,r),!1!==r.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(k+': Creating buffer for animation "'+i.getName()+'".');var a=e.createBuffer(i.getName()).setURI(B(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(k+": Skipping animation #"+o+' with name "'+i.getName()+'".')})}(t,n,r),r.meshes||r.animations||n.warn(k+": Select animations or meshes to create a partition."),Promise.resolve(t.transform(_({propertyTypes:[e.PropertyType.BUFFER]}))).then(function(){n.debug(k+": Complete.")})}catch(e){return Promise.reject(e)}}},exports.prune=_,exports.quantize=function(t){void 0===t&&(t=V);var n=l({},V,t);return function(t){try{var o=t.getLogger(),a=t.getRoot();t.createExtension(r.MeshQuantization).setRequired(!0);var s=void 0;"scene"===n.quantizationVolume&&(s=W(function(e){for(var t,r=e[0],n=c(e);!(t=n()).done;){var o=t.value;i.min(r.min,r.min,o.min),i.max(r.max,r.max,o.max)}return r}(a.listMeshes().map(Q))));for(var u,l=c(t.getRoot().listMeshes());!(u=l()).done;){var f=u.value;"mesh"===n.quantizationVolume&&(s=W(Q(f))),s&&!n.excludeAttributes.includes("POSITION")&&X(t,f,s);for(var g,p=c(f.listPrimitives());!(g=p()).done;){var v=g.value;D(t,v,s,n);for(var m,h=c(v.listTargets());!(m=h()).done;)D(t,m.value,s,n)}}return Promise.resolve(t.transform(_({propertyTypes:[e.PropertyType.ACCESSOR,e.PropertyType.SKIN]}),d({propertyTypes:[e.PropertyType.ACCESSOR]}))).then(function(){o.debug(G+": Complete.")})}catch(e){return Promise.reject(e)}}},exports.reorder=function(t){void 0===t&&(t=te);var r=l({},te,t),n=r.encoder;return function(t){try{var i=t.getLogger();return Promise.resolve(n.ready).then(function(){for(var o,a=function(e){for(var t,r=new y,n=new Map,i=new y,o=c(e.getRoot().listMeshes());!(t=o()).done;)for(var a,s=c(t.value.listPrimitives());!(a=s()).done;){var u=a.value,l=u.getIndices();if(l){n.set(l,u.getMode());for(var f,g=c(ne(u));!(f=g()).done;){var p=f.value;r.add(l,p),i.add(p,u)}}}return{indicesToAttributes:r,indicesToMode:n,attributesToPrimitives:i}}(t),s=c(a.indicesToAttributes.keys());!(o=s()).done;){var u=o.value,l=u.clone(),f=l.getArray().slice();f instanceof Uint32Array||(f=new Uint32Array(f));var g=n.reorderMesh(f,a.indicesToMode.get(u)===e.Primitive.Mode.TRIANGLES,"size"===r.target),p=g[0],v=g[1];l.setArray(v<=65534?new Uint16Array(f):f);for(var d,m=c(a.indicesToAttributes.get(u));!(d=m()).done;){var h=d.value,A=h.clone();re(A,p,v);for(var T,S=c(a.attributesToPrimitives.get(h));!(T=S()).done;){var E=T.value;if(E.getIndices()===u&&E.swap(u,l),E.getIndices()===l){E.swap(h,A);for(var b,I=c(E.listTargets());!(b=I()).done;)b.value.swap(h,A)}}}}return Promise.resolve(t.transform(_({propertyTypes:[e.PropertyType.ACCESSOR]}))).then(function(){a.indicesToAttributes.size?i.debug("reorder: Complete."):i.warn("reorder: No qualifying primitives found; may need to weld first.")})})}catch(e){return Promise.reject(e)}}},exports.resample=function(t){void 0===t&&(t=$);var r=l({},$,t);return function(t){for(var n,i=new Set,o=t.getRoot().listAccessors().length,a=t.getLogger(),s=!1,u=c(t.getRoot().listAnimations());!(n=u()).done;){for(var l,f=n.value,g=new Set,p=c(f.listChannels());!(l=p()).done;){var v=l.value;v.getSampler()&&"weights"===v.getTargetPath()&&g.add(v.getSampler())}for(var d,m=c(f.listSamplers());!(d=m()).done;){var h=d.value;g.has(h)?s=!0:"STEP"!==h.getInterpolation()&&"LINEAR"!==h.getInterpolation()||(i.add(h.getInput()),i.add(h.getOutput()),ee(h,r))}}for(var y=0,A=Array.from(i.values());y<A.length;y++){var T=A[y];T.listParents().some(function(t){return!(t instanceof e.Root)})||T.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.'),s&&a.warn("resample: Skipped optimizing morph target keyframes, not yet supported."),a.debug("resample: Complete.")}},exports.sequence=function(t){void 0===t&&(t=ie);var r=l({},ie,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=ae),!t.generateTangents)throw new Error(oe+': generateTangents callback required — install "mikktspace".');var r=l({},ae,t);return function(t){for(var n,i=t.getLogger(),o=new Map,a=new Map,s=0,u=c(t.getRoot().listMeshes());!(n=u()).done;)for(var l=n.value,f=l.getName(),g=l.listPrimitives(),p=0;p<g.length;p++){var v=g[p];if(se(v,i,f,p,r.overwrite)){var d=v.getAttribute("POSITION").getArray(),m=v.getAttribute("NORMAL").getArray(),h=v.getAttribute("TEXCOORD_0").getArray(),y=o.get(d)||e.uuid();o.set(d,y);var A=o.get(m)||e.uuid();o.set(m,A);var T=o.get(h)||e.uuid();o.set(h,T);var S=v.getAttribute("TANGENT");S&&2===S.listParents().length&&S.dispose();var E=y+"|"+A+"|"+T,b=a.get(E);if(b)i.debug(oe+": Found cache for primitive "+p+' of mesh "'+f+'".'),v.setAttribute("TANGENT",b),s++;else{i.debug(oe+": Generating for primitive "+p+' of mesh "'+f+'".');for(var I=v.getAttribute("POSITION").getBuffer(),P=r.generateTangents(d instanceof Float32Array?d:new Float32Array(d),m instanceof Float32Array?m:new Float32Array(m),h instanceof Float32Array?h:new Float32Array(h)),w=3;w<P.length;w+=4)P[w]*=-1;b=t.createAccessor().setBuffer(I).setArray(P).setType("VEC4"),v.setAttribute("TANGENT",b),a.set(E,b),s++}}}s?i.debug(oe+": Complete."):i.warn(oe+": No qualifying primitives found. See debug output.")}},exports.textureResize=function(e){void 0===e&&(e=ve);var r=l({},ve,e);return function(e){try{var n=function(){i.debug(pe+": Complete.")},i=e.getLogger(),o=function(e,t,r){if("function"==typeof e[ue]){var n,i,o,a=e[ue]();if(function e(r){try{for(;!(n=a.next()).done;)if((r=t(n.value))&&r.then){if(!ce(r))return void r.then(e,o||(o=le.bind(null,i=new fe,2)));r=r.v}i?le(i,1,r):i=r}catch(e){le(i||(i=new fe),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(!ce(a))return void a.then(r,i||(i=le.bind(null,n=new fe,2)));a=a.v}n?le(n,1,a):n=a}catch(e){le(n||(n=new fe),2,e)}}(),n}(u,function(e){return t(u[e])})}(e.getRoot().listTextures(),function(e){var n=e.getName(),o=e.getURI();if(!r.pattern||r.pattern.test(n)||r.pattern.test(o))if("image/png"===e.getMimeType()||"image/jpeg"===e.getMimeType()){var s=r.size,l=s[0],f=s[1],c=e.getSize(),g=c[0],p=c[1];if(!(g<=l&&p<=f)){var v=g,d=p;v>l&&(v=l,d=Math.floor(d*(v/g))),d>f&&(d=f,v=Math.floor(v*(d/p)));var m=new Uint8Array(e.getImage());return Promise.resolve(t.getPixels(m,e.getMimeType())).then(function(s){var l=u.default(new Uint8Array(v*d*4),[v,d,4]);i.debug(pe+': Resizing "'+(o||n)+'", '+s.shape+" → "+l.shape+"...");try{r.filter===exports.TextureResizeFilter.LANCZOS3?a.lanczos3(s,l):a.lanczos2(s,l)}catch(e){return void i.warn(pe+': Failed to resize "'+(o||n)+'": "'+e.message+'".')}var f=e.setImage;return Promise.resolve(t.savePixels(l,e.getMimeType())).then(function(t){f.call(e,t.buffer)})})}i.debug(pe+': Skipping "'+(o||n)+'", within size range.')}else i.warn('Skipping unsupported texture type, "'+e.getMimeType()+'".')});return Promise.resolve(o&&o.then?o.then(n):n())}catch(e){return Promise.reject(e)}}},exports.unweld=function(e){return void 0===e&&(e=de),l({},de,e),function(e){for(var t,r=e.getLogger(),n=new Map,i=c(e.getRoot().listMeshes());!(t=i()).done;)for(var o,a=c(t.value.listPrimitives());!(o=a()).done;){var s=o.value,u=s.getIndices();if(u){for(var l,f=c(s.listAttributes());!(l=f()).done;){var g=l.value;s.swap(g,me(g,u,r,n)),1===g.listParents().length&&g.dispose()}for(var p,v=c(s.listTargets());!(p=v()).done;)for(var d,m=p.value,h=c(m.listAttributes());!(d=h()).done;){var y=d.value;m.swap(y,me(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=he);var t=l({},he,e);return function(e){for(var r,n=e.getLogger(),i=c(e.getRoot().listMeshes());!(r=i()).done;)for(var o,a=c(r.value.listPrimitives());!(o=a()).done;){var s=o.value;0===t.tolerance?ye(e,s):Ae(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,Root as s,Primitive as r,Texture as o,ExtensionProperty as i,ImageUtils as a,MathUtils as c,Node as l,AnimationChannel as g,Animation as u,Accessor as f,AnimationSampler as p,uuid as m}from"@gltf-transform/core";export{bounds}from"@gltf-transform/core";import{getPixels as d,savePixels as h}from"ndarray-pixels";import{MeshGPUInstancing as A,MaterialsIOR as y,MaterialsSpecular as E,MaterialsPBRSpecularGlossiness as T,MeshQuantization as S}from"@gltf-transform/extensions";import{fromRotationTranslationScale as I,multiply as b}from"gl-matrix/mat4";import w from"ndarray";import{lanczos3 as M,lanczos2 as N}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 C={pivot:"center"};function O(t=C){const n=R({},C,t);return t=>{const s=t.getLogger(),r=t.getRoot(),o=r.listAnimations().length>0||r.listSkins().length>0;t.getRoot().listScenes().forEach((i,a)=>{let c;if(s.debug(`center: Scene ${a+1} / ${r.listScenes().length}.`),"string"==typeof n.pivot){const t=e(i);c=[(t.max[0]-t.min[0])/2+t.min[0],(t.max[1]-t.min[1])/2+t.min[1],(t.max[2]-t.min[2])/2+t.min[2]],"above"===n.pivot&&(c[1]=t.max[1]),"below"===n.pivot&&(c[1]=t.min[1])}else c=n.pivot;s.debug(`center: Pivot "${c.join(", ")}".`);const l=[-1*c[0],-1*c[1],-1*c[2]];if(o){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 x(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 "${e.inputEncoding}" – should be "sRGB" or "linear". Skipping conversion.`);const s=new Set;function r(e){return e<.04045?.0773993808*e:Math.pow(.9478672986*e+.0521327014,2.4)}function o(e){const t=[0,0,0];let n;for(let o=0;n=e.getAttribute(`COLOR_${o}`);o++)if(!s.has(n)){for(let e=0;e<n.getCount();e++)n.getElement(e,t),t[0]=r(t[0]),t[1]=r(t[1]),t[2]=r(t[2]),n.setElement(e,t);s.add(n)}}t.getRoot().listMeshes().forEach(e=>e.listPrimitives().forEach(o)),n.debug("colorspace: Complete.")}}const P={propertyTypes:[t.ACCESSOR,t.MESH,t.TEXTURE]},z=function(e=P){const r=R({},P,e),o=new Set(r.propertyTypes);for(const e of r.propertyTypes)if(!P.propertyTypes.includes(e))throw new Error(`dedup: Unsupported deduplication on type "${e}".`);return e=>{const r=e.getLogger();o.has(t.ACCESSOR)&&function(e,t){const s=new Set,r=new Set,o=t.getRoot().listMeshes();function i(e){const t=new Map;for(let s=0;s<e.length;s++){const r=e[s],o=r.getArray().slice().buffer;if(!t.has(r))for(let s=0;s<e.length;s++){const i=e[s];r!==i&&(t.has(i)||r.getType()===i.getType()&&r.getComponentType()===i.getComponentType()&&r.getCount()===i.getCount()&&r.getNormalized()===i.getNormalized()&&n.equals(o,i.getArray().slice().buffer)&&t.set(i,r))}}return t}o.forEach(e=>{e.listPrimitives().forEach(e=>{e.listAttributes().forEach(e=>r.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(r));e.debug(`dedup: Found ${c.size} duplicates among ${r.size} attributes.`),o.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())}(r,e),o.has(t.MESH)&&function(e,n){const s=n.getRoot(),r=new Map;s.listAccessors().forEach((e,t)=>{r.set(e,t)});const o=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+":"+r.get(s))}const s=t.getIndices();s&&e.push("indices:"+r.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 ${o-i.size} duplicates among ${o} meshes.`)}(r,e),o.has(t.TEXTURE)&&function(e,t){const r=t.getRoot(),o=r.listTextures(),i=new Map;for(let e=0;e<o.length;e++){const t=o[e],s=t.getImage();if(!i.has(t))for(let e=0;e<o.length;e++){const r=o[e],a=r.getImage();if(t===r)continue;if(i.has(r))continue;if(t.getMimeType()!==r.getMimeType())continue;const c=t.getSize(),l=r.getSize();c&&l&&c[0]===l[0]&&c[1]===l[1]&&s&&a&&n.equals(s,a)&&i.set(r,t)}}e.debug(`dedup: Found ${i.size} duplicates among ${r.listTextures().length} textures.`),Array.from(i.entries()).forEach(([e,t])=>{e.listParents().forEach(n=>{n instanceof s||n.swap(e,t)}),e.dispose()})}(r,e),r.debug("dedup: Complete.")}};async function L(e,t,n){if(!e)return null;const s=e.getImage();if(!s)return null;const r=await d(new Uint8Array(s),e.getMimeType());for(let e=0;e<r.shape[0];++e)for(let t=0;t<r.shape[1];++t)n(r,e,t);const o=(await h(r,"image/png")).buffer;return t.setImage(o).setMimeType("image/png")}function $(e){const t=e.getIndices(),n=e.getAttribute("POSITION");switch(e.getMode()){case r.Mode.POINTS:return n.getCount();case r.Mode.LINES:return t?t.getCount()/2:n.getCount()/2;case r.Mode.LINE_LOOP:return n.getCount();case r.Mode.LINE_STRIP:return n.getCount()-1;case r.Mode.TRIANGLES:return t?t.getCount()/3:n.getCount()/3;case r.Mode.TRIANGLE_STRIP:case r.Mode.TRIANGLE_FAN:return n.getCount()-2;default:throw new Error("Unexpected mode: "+e.getMode())}}class v{constructor(){this._map=new Map}get size(){return this._map.size}has(e){return this._map.has(e)}add(e,t){let n=this._map.get(e);return n||(n=new Set,this._map.set(e,n)),n.add(t),this}get(e){return this._map.get(e)||new Set}keys(){return this._map.keys()}}function _(e){return{scenes:k(e),meshes:F(e),materials:U(e),textures:q(e),animations:G(e)}}function k(t){return{properties:t.getRoot().listScenes().map(t=>{const n=t.listChildren()[0],s=e(t);return{name:t.getName(),rootName:n?n.getName():"",bboxMin:V(s.min),bboxMax:V(s.max)}})}}function F(e){return{properties:e.getRoot().listMeshes().map(e=>{const t=e.listParents().filter(e=>"Root"!==e.propertyType).length;let n=0,s=0;const r=new Set,o=new Set,i=new Set;e.listPrimitives().forEach(e=>{for(const t of e.listSemantics()){const n=e.getAttribute(t);r.add(t+":"+j(n.getArray())),i.add(n)}for(const t of e.listTargets())t.listAttributes().forEach(e=>i.add(e));const t=e.getIndices();t&&(o.add(j(t.getArray())),i.add(t)),s+=e.listAttributes()[0].getCount(),n+=$(e)});let a=0;Array.from(i).forEach(e=>a+=e.getArray().byteLength);const c=e.listPrimitives().map(e=>B[e.getMode()]);return{name:e.getName(),mode:Array.from(new Set(c)),primitives:e.listPrimitives().length,glPrimitives:n,vertices:s,indices:Array.from(o).sort(),attributes:Array.from(r).sort(),instances:t,size:a}})}}function U(e){return{properties:e.getRoot().listMaterials().map(t=>{const n=t.listParents().filter(e=>"Root"!==e.propertyType).length,s=new Set(t.listExtensions()),r=e.getGraph().getLinks().filter(e=>{const n=e.getChild(),r=e.getParent();return n instanceof o&&r===t||!!(n instanceof o&&r instanceof i&&s.has(r))}).map(e=>e.getName());return{name:t.getName(),instances:n,textures:r,alphaMode:t.getAlphaMode(),doubleSided:t.getDoubleSided()}})}}function q(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),r=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:r?r.join("x"):"",size:t.getImage().byteLength,gpuSize:a.getMemSize(t.getImage(),t.getMimeType())}})}}function G(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,r=0;const o=new Set;return e.listSamplers().forEach(e=>{const t=e.getInput(),n=e.getOutput();t&&(r+=t.getCount(),o.add(t),n&&o.add(n))}),Array.from(o).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:r,size:s}})}}const B=["POINTS","LINES","LINE_LOOP","LINE_STRIP","TRIANGLES","TRIANGLE_STRIP","TRIANGLE_FAN"];function V(e){for(let t=0;t<e.length;t++)e[t].toFixed&&(e[t]=Number(e[t].toFixed(5)));return e}function j(e){return e.constructor.name.replace("Array","").toLowerCase()}const W={};function D(e=W){return R({},W,e),e=>{const t=e.getLogger(),n=e.getRoot(),s=e.createExtension(A);if(n.listAnimations().length)throw new Error("instance: Instancing is not currently supported for animated models.");let r=0,o=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=H(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 r=g[e];f.setElement(e,t=r.getWorldTranslation()),p.setElement(e,n=r.getWorldRotation()),m.setElement(e,s=r.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),r.setMesh(null),a.push(r)}h||f.dispose(),A||p.dispose(),y||m.dispose(),X(a,t),r++,o+=g.length}}r>0?t.info(`instance: Created ${r} batches, with ${o} total instances.`):(t.info("instance: No meshes with multiple parent nodes were found."),s.dispose()),t.debug("instance: Complete.")}}function X(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 H(e,t,n,s){const r=n.listPrimitives()[0].getAttribute("POSITION").getBuffer(),o=e.createAccessor().setType("VEC3").setArray(new Float32Array(3*s)).setBuffer(r),i=e.createAccessor().setType("VEC4").setArray(new Float32Array(4*s)).setBuffer(r),a=e.createAccessor().setType("VEC3").setArray(new Float32Array(3*s)).setBuffer(r);return t.createInstancedMesh().setAttribute("TRANSLATION",o).setAttribute("ROTATION",i).setAttribute("SCALE",a)}const K={};function Z(e=K){return R({},K,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(y),r=e.createExtension(E),o=e.createExtension(T),i=new Set;for(const t of e.getRoot().listMaterials()){const n=t.getExtension("KHR_materials_pbrSpecularGlossiness");if(!n)continue;const o=r.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",o);const a=n.getDiffuseTexture();a&&(t.setBaseColorTexture(a),t.getBaseColorTextureInfo().copy(n.getDiffuseTextureInfo()));const c=n.getSpecularGlossinessTexture();if(c){const s=n.getSpecularGlossinessTextureInfo(),r=e.createTexture();await L(c,r,(e,t,n)=>{e.set(t,n,3,255)}),o.setSpecularTexture(r),o.setSpecularColorTexture(r),o.getSpecularTextureInfo().copy(s),o.getSpecularColorTextureInfo().copy(s);const i=n.getGlossinessFactor(),a=e.createTexture();await L(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 o.setSpecularColorFactor(n.getSpecularFactor()),t.setRoughnessFactor(1-n.getGlossinessFactor());t.setExtension("KHR_materials_pbrSpecularGlossiness",null)}o.dispose();for(const e of i)e&&1===e.listParents().length&&e.dispose();t.debug("metalRough: Complete.")}}const J={propertyTypes:[t.NODE,t.SKIN,t.MESH,t.CAMERA,t.PRIMITIVE,t.PRIMITIVE_TARGET,t.ANIMATION,t.MATERIAL,t.TEXTURE,t.ACCESSOR,t.BUFFER]},Y=function(e=J){const n=R({},J,e).propertyTypes;return e=>{const r=e.getLogger(),o=e.getRoot(),i=e.getGraph(),a={};if(n.includes(t.NODE)&&o.listNodes().forEach(c),n.includes(t.SKIN)&&o.listSkins().forEach(c),n.includes(t.MESH)&&o.listMeshes().forEach(c),n.includes(t.CAMERA)&&o.listCameras().forEach(c),n.includes(t.PRIMITIVE)&&l(i,t.PRIMITIVE),n.includes(t.PRIMITIVE_TARGET)&&l(i,t.PRIMITIVE_TARGET),n.includes(t.ANIMATION))for(const e of o.listAnimations()){for(const t of e.listChannels())t.getTargetNode()||(t.dispose(),u(t));if(e.listChannels().length)e.listSamplers().forEach(c);else{const t=e.listSamplers();c(e),t.forEach(c)}}if(n.includes(t.MATERIAL)&&o.listMaterials().forEach(c),n.includes(t.TEXTURE)&&o.listTextures().forEach(c),n.includes(t.ACCESSOR)&&o.listAccessors().forEach(c),n.includes(t.BUFFER)&&o.listBuffers().forEach(c),Object.keys(a).length){const e=Object.keys(a).map(e=>`${e} (${a[e]})`).join(", ");r.info(`prune: Removed types... ${e}`)}else r.info("prune: No unused properties found.");function c(e){e.listParents().filter(e=>!(e instanceof s||e instanceof g)).length||(e.dispose(),u(e))}function l(e,t){e.getLinks().map(e=>e.getParent()).filter(e=>e.propertyType===t).forEach(c)}function u(e){a[e.propertyType]=a[e.propertyType]||0,a[e.propertyType]++}r.debug("prune: Complete.")}},Q={animations:!0,meshes:!0},ee=(e=Q)=>{const n=R({},Q,e);return async e=>{const s=e.getLogger();!1!==n.meshes&&function(e,t,n){const s=new Set(e.getRoot().listBuffers().map(e=>e.getURI()));e.getRoot().listMeshes().forEach((r,o)=>{if(Array.isArray(n.meshes)&&!n.meshes.includes(r.getName()))return void t.debug(`partition: Skipping mesh #${o} with name "${r.getName()}".`);t.debug(`partition: Creating buffer for mesh "${r.getName()}".`);const i=e.createBuffer(r.getName()).setURI(te(r.getName()||"mesh",s));r.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,s,n),!1!==n.animations&&function(e,t,n){const s=new Set(e.getRoot().listBuffers().map(e=>e.getURI()));e.getRoot().listAnimations().forEach((r,o)=>{if(Array.isArray(n.animations)&&!n.animations.includes(r.getName()))return void t.debug(`partition: Skipping animation #${o} with name "${r.getName()}".`);t.debug(`partition: Creating buffer for animation "${r.getName()}".`);const i=e.createBuffer(r.getName()).setURI(te(r.getName()||"animation",s));r.listSamplers().forEach(e=>{const t=e.getInput(),n=e.getOutput();t&&t.setBuffer(i),n&&n.setBuffer(i)})})}(e,s,n),n.meshes||n.animations||s.warn("partition: Select animations or meshes to create a partition."),await e.transform(Y({propertyTypes:[t.BUFFER]})),s.debug("partition: Complete.")}};function te(e,t){let n=`${e}.bin`,s=1;for(;t.has(n);)n=`${e}_${s++}.bin`;return n}const ne=[Int8Array,Int16Array,Int32Array],se={excludeAttributes:[],quantizationVolume:"mesh",quantizePosition:14,quantizeNormal:10,quantizeTexcoord:12,quantizeColor:8,quantizeWeight:8,quantizeGeneric:12},re=(e=se)=>{const n=R({},se,e);return async e=>{const s=e.getLogger(),r=e.getRoot();let o;if(e.createExtension(S).setRequired(!0),"scene"===n.quantizationVolume){const e=[];for(const t of r.listMeshes())e.push(...ce(t));o=ae(ie(e,3))}for(const t of e.getRoot().listMeshes()){"mesh"===n.quantizationVolume&&(o=ae(ie(ce(t),3))),o&&!n.excludeAttributes.includes("POSITION")&&le(e,t,o);for(const s of t.listPrimitives()){oe(e,s,o,n);for(const t of s.listTargets())oe(e,t,o,n)}}await e.transform(Y({propertyTypes:[t.ACCESSOR,t.SKIN]}),z({propertyTypes:[t.ACCESSOR]})),s.debug("quantize: Complete.")}};function oe(e,t,n,s){const o=e.getLogger();for(const e of t.listSemantics()){if(s.excludeAttributes.includes(e))continue;const r=t.getAttribute(e),{bits:i,ctor:a}=fe(e,r,o,s);if(!a)continue;if(i<8||i>16)throw new Error("quantize: Requires bits = 8–16.");if(r.getComponentSize()<=i/8)continue;const c=r.clone();if("POSITION"===e)for(let e=0,t=[0,0,0],s=c.getCount();e<s;e++)c.setElement(e,n.remap(c.getElement(e,t)));ue(c,a,i),t.swap(r,c)}if(t instanceof r&&t.getIndices()&&t.listAttributes().length&&t.listAttributes()[0].getCount()<65535){const e=t.getIndices();e.setArray(new Uint16Array(e.getArray()))}}function ie(e,t){const n=new Array(t).fill(Infinity),s=new Array(t).fill(-Infinity),r=[],o=[];for(const i of e){i.getMinNormalized(r),i.getMaxNormalized(o);for(let e=0;e<t;e++)n[e]=Math.min(n[e],r[e]),s[e]=Math.max(s[e],o[e])}return{min:n,max:s}}function ae(e){const{min:t,max:n}=e,s=Math.max((n[0]-t[0])/2,(n[1]-t[1])/2,(n[2]-t[2])/2),r=[t[0]+(n[0]-t[0])/2,t[1]+(n[1]-t[1])/2,t[2]+(n[2]-t[2])/2];return{remap:e=>[(e[0]-r[0])/s,(e[1]-r[1])/s,(e[2]-r[2])/s],offset:r,scale:s}}function ce(e){const t=[];for(const n of e.listPrimitives()){const e=n.getAttribute("POSITION");e&&t.push(e);for(const e of n.listTargets()){const n=e.getAttribute("POSITION");n&&t.push(n)}}if(0===t.length)throw new Error('quantize: Missing "POSITION" attribute.');return t}function le(e,t,n){const s=pe(n);for(const r of t.listParents())if(r instanceof l){const o=r.listChildren().length>0,i=!!r.listParents().find(e=>e instanceof u);if(r.getSkin()){r.setSkin(ge(r.getSkin(),n));continue}let a;o||i?(a=e.createNode("").setMesh(t),r.addChild(a).setMesh(null)):a=r;const c=a.getMatrix();b(c,c,s),a.setMatrix(c)}}function ge(e,t){e=e.clone();const n=pe(t),s=e.getInverseBindMatrices().clone(),r=[];for(let e=0,t=s.getCount();e<t;e++)s.getElement(e,r),b(r,r,n),s.setElement(e,r);return e.setInverseBindMatrices(s)}function ue(e,t,n){const s=new t(e.getArray().length),r=ne.includes(t)?1:0,o=n-r,i=8*t.BYTES_PER_ELEMENT-r,a=Math.pow(2,o)-1,c=i-o,l=2*o-i;for(let t=0,n=0,r=[];t<e.getCount();t++){e.getElement(t,r);for(let e=0;e<r.length;e++){let t=Math.round(Math.abs(r[e])*a);t=t<<c|t>>l,s[n++]=t*Math.sign(r[e])}}e.setArray(s).setNormalized(!0)}function fe(e,t,n,s){const r=t.getMinNormalized([]),o=t.getMaxNormalized([]);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(r.some(e=>e<0)||o.some(e=>e>1))return n.warn(`quantize: Skipping ${e}; out of [0,1] 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(r.some(e=>e<0)||o.some(e=>e>1))return n.warn(`quantize: Skipping ${e}; out of [0,1] range.`),{bits:-1};i=s.quantizeWeight,a=i<=8?Uint8Array:Uint16Array}else{if(!e.startsWith("_"))throw new Error(`quantize: Unexpected semantic, "${e}".`);if(r.some(e=>e<-1)||o.some(e=>e>1))return n.warn(`quantize: Skipping ${e}; out of [-1,1] range.`),{bits:-1};i=s.quantizeGeneric,a=a=r.some(e=>e<0)?i<=8?Int8Array:Int16Array:i<=8?Uint8Array:Uint16Array}}return{bits:i,ctor:a}}function pe(e){return I([],[0,0,0,1],e.offset,[e.scale,e.scale,e.scale])}const me={tolerance:1e-4},de=(e=me)=>{const t=R({},me,e);return e=>{const n=new Set,r=e.getRoot().listAccessors().length,o=e.getLogger();let i=!1;for(const s of e.getRoot().listAnimations()){const e=new Set;for(const t of s.listChannels())t.getSampler()&&"weights"===t.getTargetPath()&&e.add(t.getSampler());for(const r of s.listSamplers())e.has(r)?i=!0:"STEP"!==r.getInterpolation()&&"LINEAR"!==r.getInterpolation()||(n.add(r.getInput()),n.add(r.getOutput()),he(r,t))}for(const e of Array.from(n.values()))e.listParents().some(e=>!(e instanceof s))||e.dispose();e.getRoot().listAccessors().length>r&&o.warn('resample: Resampling required copying accessors, some of which may be duplicates. Consider using "dedup" to consolidate any duplicates.'),i&&o.warn("resample: Skipped optimizing morph target keyframes, not yet supported."),o.debug("resample: Complete.")}};function he(e,t){const n=e.getInput().clone(),s=e.getOutput().clone(),r=t.tolerance,o=n.getCount()-1,i=[];let a=1;for(let t=1;t<o;++t){const o=n.getScalar(t),l=n.getScalar(t-1),g=n.getScalar(t+1),u=(o-l)/(g-l);let f=!1;if(o!==g&&(1!==t||o!==n.getScalar(0)))for(let n=0;n<s.getElementSize();n++){const o=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(o-(a*(1-(c=u))+l*c))>r){f=!0;break}}else if("STEP"===e.getInterpolation()&&(o!==a||o!==l)){f=!0;break}}f&&(t!==a&&(n.setScalar(a,n.getScalar(t)),s.setElement(a,s.getElement(t,i))),a++)}var c;o>0&&(n.setScalar(a,n.getScalar(o)),s.setElement(a,s.getElement(o,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 Ae={target:"size"};function ye(e=Ae){const n=R({},Ae,e),s=n.encoder;return async e=>{const o=e.getLogger();await s.ready;const i=function(e){const t=new v,n=new Map,s=new v;for(const r of e.getRoot().listMeshes())for(const e of r.listPrimitives()){const r=e.getIndices();if(r){n.set(r,e.getMode());for(const n of Te(e))t.add(r,n),s.add(n,e)}}return{indicesToAttributes:t,indicesToMode:n,attributesToPrimitives:s}}(e);for(const e of i.indicesToAttributes.keys()){const t=e.clone();let o=t.getArray().slice();o instanceof Uint32Array||(o=new Uint32Array(o));const[a,c]=s.reorderMesh(o,i.indicesToMode.get(e)===r.Mode.TRIANGLES,"size"===n.target);t.setArray(c<=65534?new Uint16Array(o):o);for(const n of i.indicesToAttributes.get(e)){const s=n.clone();Ee(s,a,c);for(const r of i.attributesToPrimitives.get(n))if(r.getIndices()===e&&r.swap(e,t),r.getIndices()===t){r.swap(n,s);for(const e of r.listTargets())e.swap(n,s)}}}await e.transform(Y({propertyTypes:[t.ACCESSOR]})),i.indicesToAttributes.size?o.debug("reorder: Complete."):o.warn("reorder: No qualifying primitives found; may need to weld first.")}}function Ee(e,t,n){const s=e.getElementSize(),r=e.getCount(),o=e.getArray(),i=o.slice(0,n*s);for(let e=0;e<r;e++)for(let n=0;n<s;n++)i[t[e]*s+n]=o[e*s+n];e.setArray(i)}function Te(e){const t=[];for(const n of e.listAttributes())t.push(n);for(const n of e.listTargets())for(const e of n.listAttributes())t.push(e);return Array.from(new Set(t))}const Se={name:"",fps:10,pattern:/.*/,sort:!0};function Ie(e=Se){const t=R({},Se,e);return e=>{const n=e.getLogger(),s=e.getRoot(),r=t.fps,o=s.listNodes().filter(e=>e.getName().match(t.pattern));t.sort&&o.sort((e,t)=>e.getName()>t.getName()?1:-1);const i=e.createAnimation(t.name),a=s.listBuffers()[0];o.forEach((t,n)=>{let s,c;0===n?(s=[n/r,(n+1)/r],c=[1,1,1,0,0,0]):n===o.length-1?(s=[(n-1)/r,n/r],c=[0,0,0,1,1,1]):(s=[(n-1)/r,n/r,(n+1)/r],c=[0,0,0,1,1,1,0,0,0]);const l=e.createAccessor().setArray(new Float32Array(s)).setBuffer(a),u=e.createAccessor().setArray(new Float32Array(c)).setBuffer(a).setType(f.Type.VEC3),m=e.createAnimationSampler().setInterpolation(p.Interpolation.STEP).setInput(l).setOutput(u),d=e.createAnimationChannel().setTargetNode(t).setTargetPath(g.TargetPath.SCALE).setSampler(m);i.addSampler(m).addChannel(d)}),n.debug("sequence: Complete.")}}const be={overwrite:!1};function we(e=be){if(!e.generateTangents)throw new Error('tangents: generateTangents callback required — install "mikktspace".');const t=R({},be,e);return e=>{const n=e.getLogger(),s=new Map,r=new Map;let o=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(!Me(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)||m();s.set(g,p);const d=s.get(u)||m();s.set(u,d);const h=s.get(f)||m();s.set(f,h);const A=l.getAttribute("TANGENT");A&&2===A.listParents().length&&A.dispose();const y=`${p}|${d}|${h}`;let E=r.get(y);if(E){n.debug(`tangents: Found cache for primitive ${i} of mesh "${a}".`),l.setAttribute("TANGENT",E),o++;continue}n.debug(`tangents: Generating for primitive ${i} of mesh "${a}".`);const T=l.getAttribute("POSITION").getBuffer(),S=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<S.length;e+=4)S[e]*=-1;E=e.createAccessor().setBuffer(T).setArray(S).setType("VEC4"),l.setAttribute("TANGENT",E),r.set(y,E),o++}}o?n.debug("tangents: Complete."):n.warn("tangents: No qualifying primitives found. See debug output.")}}function Me(e,t,n,s,o){return e.getMode()===r.Mode.TRIANGLES&&e.getAttribute("POSITION")&&e.getAttribute("NORMAL")&&e.getAttribute("TEXCOORD_0")?e.getAttribute("TANGENT")&&!o?(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 Ne="textureResize";var Re;!function(e){e.LANCZOS3="lanczos3",e.LANCZOS2="lanczos2"}(Re||(Re={}));const Ce={size:[2048,2048],filter:Re.LANCZOS3,pattern:null};function Oe(e=Ce){const t=R({},Ce,e);return async e=>{const n=e.getLogger();for(const s of e.getRoot().listTextures()){const e=s.getName(),r=s.getURI();if(t.pattern&&!t.pattern.test(e)&&!t.pattern.test(r))continue;if("image/png"!==s.getMimeType()&&"image/jpeg"!==s.getMimeType()){n.warn(`Skipping unsupported texture type, "${s.getMimeType()}".`);continue}const[o,i]=t.size,[a,c]=s.getSize();if(a<=o&&c<=i){n.debug(`${Ne}: Skipping "${r||e}", within size range.`);continue}let l=a,g=c;l>o&&(l=o,g=Math.floor(g*(l/a))),g>i&&(g=i,l=Math.floor(l*(g/c)));const u=new Uint8Array(s.getImage()),f=await d(u,s.getMimeType()),p=w(new Uint8Array(l*g*4),[l,g,4]);n.debug(`${Ne}: Resizing "${r||e}", ${f.shape} → ${p.shape}...`);try{t.filter===Re.LANCZOS3?M(f,p):N(f,p)}catch(t){n.warn(`${Ne}: Failed to resize "${r||e}": "${t.message}".`);continue}s.setImage((await h(p,s.getMimeType())).buffer)}n.debug(`${Ne}: Complete.`)}}const xe={};function Pe(e=xe){return R({},xe,e),e=>{const t=e.getLogger(),n=new Map;for(const s of e.getRoot().listMeshes())for(const e of s.listPrimitives()){const s=e.getIndices();if(s){for(const r of e.listAttributes())e.swap(r,ze(r,s,t,n)),1===r.listParents().length&&r.dispose();for(const r of e.listTargets())for(const e of r.listAttributes())r.swap(e,ze(e,s,t,n)),1===e.listParents().length&&e.dispose();e.setIndices(null),1===s.listParents().length&&s.dispose()}}t.debug("unweld: Complete.")}}function ze(e,t,n,s){if(s.has(e)&&s.get(e).has(t))return n.debug(`unweld: Cache hit for reused attribute, "${e.getName()}".`),s.get(e).get(t);const r=e.clone(),o=e.getArray().constructor;r.setArray(new o(t.getCount()*e.getElementSize()));const i=[];for(let n=0;n<t.getCount();n++)r.setElement(n,e.getElement(t.getScalar(n),i));return s.has(e)||s.set(e,new Map),s.get(e).set(t,r),r}const Le={tolerance:1e-4};function $e(e=Le){const t=R({},Le,e);return e=>{const n=e.getLogger();for(const n of e.getRoot().listMeshes())for(const s of n.listPrimitives())0===t.tolerance?ve(e,s):_e(e,s,t);n.debug("weld: Complete.")}}function ve(e,t){if(t.getIndices())return;const n=t.listAttributes()[0],s=n.getCount(),r=n.getBuffer(),o=s<=65534?new Uint16Array(3*$(t)):new Uint32Array(3*$(t)),i=e.createAccessor().setBuffer(r).setType(f.Type.SCALAR).setArray(o);for(let e=0;e<i.getCount();e++)i.setScalar(e,e);t.setIndices(i)}function _e(e,t,n){const s=Math.max(n.tolerance,Number.EPSILON),r=Math.log10(1/s),o=Math.pow(10,r),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=[],r=[];for(const e of t.listAttributes())for(let t=0;t<e.getElementSize();t++)s.push(~~(e.getElement(n,r)[t]*o));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} → ${p} vertices.`);for(const e of t.listAttributes())Fe(t,e,l.get(e)),1===e.listParents().length&&e.dispose();for(const e of t.listTargets())for(const t of e.listAttributes())Fe(e,t,l.get(t)),1===t.listParents().length&&t.dispose();if(a){const e=ke(a.getArray(),g.length);e.set(g),t.setIndices(a.clone().setArray(e)),1===a.listParents().length&&a.dispose()}else{const n=f<=65534?new Uint16Array(g):new Uint32Array(g);t.setIndices(e.createAccessor().setArray(n))}}function ke(e,t){return new(0,e.constructor)(t)}function Fe(e,t,n){const s=n.length*t.getElementSize(),r=ke(t.getArray(),s),o=t.clone().setArray(r);for(let e=0;e<n.length;e++)o.setElement(e,n[e]);e.swap(t,o)}export{se as QUANTIZE_DEFAULTS,Ce as TEXTURE_RESIZE_DEFAULTS,Re as TextureResizeFilter,O as center,x as colorspace,z as dedup,_ as inspect,D as instance,Z as metalRough,ee as partition,Y as prune,re as quantize,ye as reorder,de as resample,Ie as sequence,we as tangents,Oe as textureResize,Pe as unweld,$e as weld};
+import{bounds as e,PropertyType as t,BufferUtils as n,Root as s,Primitive as r,Texture as o,ExtensionProperty as i,ImageUtils as a,MathUtils as c,Node as l,AnimationChannel as g,Animation as u,Accessor as f,AnimationSampler as p,uuid as m}from"@gltf-transform/core";export{bounds}from"@gltf-transform/core";import{getPixels as d,savePixels as h}from"ndarray-pixels";import{MeshGPUInstancing as A,MaterialsIOR as y,MaterialsSpecular as E,MaterialsPBRSpecularGlossiness as T,MeshQuantization as S}from"@gltf-transform/extensions";import{invert as I,fromRotationTranslationScale as b,fromScaling as w,multiply as M}from"gl-matrix/mat4";import{transformMat4 as N,min as R,scale as C,max as x}from"gl-matrix/vec3";import O from"ndarray";import{lanczos3 as P,lanczos2 as z}from"ndarray-lanczos";function L(){return(L=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 v={pivot:"center"};function $(t=v){const n=L({},v,t);return t=>{const s=t.getLogger(),r=t.getRoot(),o=r.listAnimations().length>0||r.listSkins().length>0;t.getRoot().listScenes().forEach((i,a)=>{let c;if(s.debug(`center: Scene ${a+1} / ${r.listScenes().length}.`),"string"==typeof n.pivot){const t=e(i);c=[(t.max[0]-t.min[0])/2+t.min[0],(t.max[1]-t.min[1])/2+t.min[1],(t.max[2]-t.min[2])/2+t.min[2]],"above"===n.pivot&&(c[1]=t.max[1]),"below"===n.pivot&&(c[1]=t.min[1])}else c=n.pivot;s.debug(`center: Pivot "${c.join(", ")}".`);const l=[-1*c[0],-1*c[1],-1*c[2]];if(o){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 _(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 "${e.inputEncoding}" – should be "sRGB" or "linear". Skipping conversion.`);const s=new Set;function r(e){return e<.04045?.0773993808*e:Math.pow(.9478672986*e+.0521327014,2.4)}function o(e){const t=[0,0,0];let n;for(let o=0;n=e.getAttribute(`COLOR_${o}`);o++)if(!s.has(n)){for(let e=0;e<n.getCount();e++)n.getElement(e,t),t[0]=r(t[0]),t[1]=r(t[1]),t[2]=r(t[2]),n.setElement(e,t);s.add(n)}}t.getRoot().listMeshes().forEach(e=>e.listPrimitives().forEach(o)),n.debug("colorspace: Complete.")}}const k={propertyTypes:[t.ACCESSOR,t.MESH,t.TEXTURE]},F=function(e=k){const r=L({},k,e),o=new Set(r.propertyTypes);for(const e of r.propertyTypes)if(!k.propertyTypes.includes(e))throw new Error(`dedup: Unsupported deduplication on type "${e}".`);return e=>{const r=e.getLogger();o.has(t.ACCESSOR)&&function(e,t){const s=new Set,r=new Set,o=t.getRoot().listMeshes();function i(e){const t=new Map;for(let s=0;s<e.length;s++){const r=e[s],o=r.getArray().slice().buffer;if(!t.has(r))for(let s=0;s<e.length;s++){const i=e[s];r!==i&&(t.has(i)||r.getType()===i.getType()&&r.getComponentType()===i.getComponentType()&&r.getCount()===i.getCount()&&r.getNormalized()===i.getNormalized()&&n.equals(o,i.getArray().slice().buffer)&&t.set(i,r))}}return t}o.forEach(e=>{e.listPrimitives().forEach(e=>{e.listAttributes().forEach(e=>r.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(r));e.debug(`dedup: Found ${c.size} duplicates among ${r.size} attributes.`),o.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())}(r,e),o.has(t.MESH)&&function(e,n){const s=n.getRoot(),r=new Map;s.listAccessors().forEach((e,t)=>{r.set(e,t)});const o=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+":"+r.get(s))}const s=t.getIndices();s&&e.push("indices:"+r.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 ${o-i.size} duplicates among ${o} meshes.`)}(r,e),o.has(t.TEXTURE)&&function(e,t){const r=t.getRoot(),o=r.listTextures(),i=new Map;for(let e=0;e<o.length;e++){const t=o[e],s=t.getImage();if(!i.has(t))for(let e=0;e<o.length;e++){const r=o[e],a=r.getImage();if(t===r)continue;if(i.has(r))continue;if(t.getMimeType()!==r.getMimeType())continue;const c=t.getSize(),l=r.getSize();c&&l&&c[0]===l[0]&&c[1]===l[1]&&s&&a&&n.equals(s,a)&&i.set(r,t)}}e.debug(`dedup: Found ${i.size} duplicates among ${r.listTextures().length} textures.`),Array.from(i.entries()).forEach(([e,t])=>{e.listParents().forEach(n=>{n instanceof s||n.swap(e,t)}),e.dispose()})}(r,e),r.debug("dedup: Complete.")}};async function U(e,t,n){if(!e)return null;const s=e.getImage();if(!s)return null;const r=await d(new Uint8Array(s),e.getMimeType());for(let e=0;e<r.shape[0];++e)for(let t=0;t<r.shape[1];++t)n(r,e,t);const o=(await h(r,"image/png")).buffer;return t.setImage(o).setMimeType("image/png")}function q(e){const t=e.getIndices(),n=e.getAttribute("POSITION");switch(e.getMode()){case r.Mode.POINTS:return n.getCount();case r.Mode.LINES:return t?t.getCount()/2:n.getCount()/2;case r.Mode.LINE_LOOP:return n.getCount();case r.Mode.LINE_STRIP:return n.getCount()-1;case r.Mode.TRIANGLES:return t?t.getCount()/3:n.getCount()/3;case r.Mode.TRIANGLE_STRIP:case r.Mode.TRIANGLE_FAN:return n.getCount()-2;default:throw new Error("Unexpected mode: "+e.getMode())}}class G{constructor(){this._map=new Map}get size(){return this._map.size}has(e){return this._map.has(e)}add(e,t){let n=this._map.get(e);return n||(n=new Set,this._map.set(e,n)),n.add(t),this}get(e){return this._map.get(e)||new Set}keys(){return this._map.keys()}}function B(e){return{scenes:V(e),meshes:j(e),materials:W(e),textures:D(e),animations:X(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:K(s.min),bboxMax:K(s.max)}})}}function j(e){return{properties:e.getRoot().listMeshes().map(e=>{const t=e.listParents().filter(e=>"Root"!==e.propertyType).length;let n=0,s=0;const r=new Set,o=new Set,i=new Set;e.listPrimitives().forEach(e=>{for(const t of e.listSemantics()){const n=e.getAttribute(t);r.add(t+":"+Z(n.getArray())),i.add(n)}for(const t of e.listTargets())t.listAttributes().forEach(e=>i.add(e));const t=e.getIndices();t&&(o.add(Z(t.getArray())),i.add(t)),s+=e.listAttributes()[0].getCount(),n+=q(e)});let a=0;Array.from(i).forEach(e=>a+=e.getArray().byteLength);const c=e.listPrimitives().map(e=>H[e.getMode()]);return{name:e.getName(),mode:Array.from(new Set(c)),primitives:e.listPrimitives().length,glPrimitives:n,vertices:s,indices:Array.from(o).sort(),attributes:Array.from(r).sort(),instances:t,size:a}})}}function W(e){return{properties:e.getRoot().listMaterials().map(t=>{const n=t.listParents().filter(e=>"Root"!==e.propertyType).length,s=new Set(t.listExtensions()),r=e.getGraph().getLinks().filter(e=>{const n=e.getChild(),r=e.getParent();return n instanceof o&&r===t||!!(n instanceof o&&r instanceof i&&s.has(r))}).map(e=>e.getName());return{name:t.getName(),instances:n,textures:r,alphaMode:t.getAlphaMode(),doubleSided:t.getDoubleSided()}})}}function D(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),r=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:r?r.join("x"):"",size:t.getImage().byteLength,gpuSize:a.getMemSize(t.getImage(),t.getMimeType())}})}}function X(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,r=0;const o=new Set;return e.listSamplers().forEach(e=>{const t=e.getInput(),n=e.getOutput();t&&(r+=t.getCount(),o.add(t),n&&o.add(n))}),Array.from(o).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:r,size:s}})}}const H=["POINTS","LINES","LINE_LOOP","LINE_STRIP","TRIANGLES","TRIANGLE_STRIP","TRIANGLE_FAN"];function K(e){for(let t=0;t<e.length;t++)e[t].toFixed&&(e[t]=Number(e[t].toFixed(5)));return e}function Z(e){return e.constructor.name.replace("Array","").toLowerCase()}const J={};function Y(e=J){return L({},J,e),e=>{const t=e.getLogger(),n=e.getRoot(),s=e.createExtension(A);if(n.listAnimations().length)throw new Error("instance: Instancing is not currently supported for animated models.");let r=0,o=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=ee(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 r=g[e];f.setElement(e,t=r.getWorldTranslation()),p.setElement(e,n=r.getWorldRotation()),m.setElement(e,s=r.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),r.setMesh(null),a.push(r)}h||f.dispose(),A||p.dispose(),y||m.dispose(),Q(a,t),r++,o+=g.length}}r>0?t.info(`instance: Created ${r} batches, with ${o} total instances.`):(t.info("instance: No meshes with multiple parent nodes were found."),s.dispose()),t.debug("instance: Complete.")}}function Q(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 ee(e,t,n,s){const r=n.listPrimitives()[0].getAttribute("POSITION").getBuffer(),o=e.createAccessor().setType("VEC3").setArray(new Float32Array(3*s)).setBuffer(r),i=e.createAccessor().setType("VEC4").setArray(new Float32Array(4*s)).setBuffer(r),a=e.createAccessor().setType("VEC3").setArray(new Float32Array(3*s)).setBuffer(r);return t.createInstancedMesh().setAttribute("TRANSLATION",o).setAttribute("ROTATION",i).setAttribute("SCALE",a)}const te={};function ne(e=te){return L({},te,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(y),r=e.createExtension(E),o=e.createExtension(T),i=new Set;for(const t of e.getRoot().listMaterials()){const n=t.getExtension("KHR_materials_pbrSpecularGlossiness");if(!n)continue;const o=r.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",o);const a=n.getDiffuseTexture();a&&(t.setBaseColorTexture(a),t.getBaseColorTextureInfo().copy(n.getDiffuseTextureInfo()));const c=n.getSpecularGlossinessTexture();if(c){const s=n.getSpecularGlossinessTextureInfo(),r=e.createTexture();await U(c,r,(e,t,n)=>{e.set(t,n,3,255)}),o.setSpecularTexture(r),o.setSpecularColorTexture(r),o.getSpecularTextureInfo().copy(s),o.getSpecularColorTextureInfo().copy(s);const i=n.getGlossinessFactor(),a=e.createTexture();await U(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 o.setSpecularColorFactor(n.getSpecularFactor()),t.setRoughnessFactor(1-n.getGlossinessFactor());t.setExtension("KHR_materials_pbrSpecularGlossiness",null)}o.dispose();for(const e of i)e&&1===e.listParents().length&&e.dispose();t.debug("metalRough: Complete.")}}const se={propertyTypes:[t.NODE,t.SKIN,t.MESH,t.CAMERA,t.PRIMITIVE,t.PRIMITIVE_TARGET,t.ANIMATION,t.MATERIAL,t.TEXTURE,t.ACCESSOR,t.BUFFER]},re=function(e=se){const n=L({},se,e).propertyTypes;return e=>{const r=e.getLogger(),o=e.getRoot(),i=e.getGraph(),a={};if(n.includes(t.NODE)&&o.listNodes().forEach(c),n.includes(t.SKIN)&&o.listSkins().forEach(c),n.includes(t.MESH)&&o.listMeshes().forEach(c),n.includes(t.CAMERA)&&o.listCameras().forEach(c),n.includes(t.PRIMITIVE)&&l(i,t.PRIMITIVE),n.includes(t.PRIMITIVE_TARGET)&&l(i,t.PRIMITIVE_TARGET),n.includes(t.ANIMATION))for(const e of o.listAnimations()){for(const t of e.listChannels())t.getTargetNode()||(t.dispose(),u(t));if(e.listChannels().length)e.listSamplers().forEach(c);else{const t=e.listSamplers();c(e),t.forEach(c)}}if(n.includes(t.MATERIAL)&&o.listMaterials().forEach(c),n.includes(t.TEXTURE)&&o.listTextures().forEach(c),n.includes(t.ACCESSOR)&&o.listAccessors().forEach(c),n.includes(t.BUFFER)&&o.listBuffers().forEach(c),Object.keys(a).length){const e=Object.keys(a).map(e=>`${e} (${a[e]})`).join(", ");r.info(`prune: Removed types... ${e}`)}else r.info("prune: No unused properties found.");function c(e){e.listParents().filter(e=>!(e instanceof s||e instanceof g)).length||(e.dispose(),u(e))}function l(e,t){e.getLinks().map(e=>e.getParent()).filter(e=>e.propertyType===t).forEach(c)}function u(e){a[e.propertyType]=a[e.propertyType]||0,a[e.propertyType]++}r.debug("prune: Complete.")}},oe={animations:!0,meshes:!0},ie=(e=oe)=>{const n=L({},oe,e);return async e=>{const s=e.getLogger();!1!==n.meshes&&function(e,t,n){const s=new Set(e.getRoot().listBuffers().map(e=>e.getURI()));e.getRoot().listMeshes().forEach((r,o)=>{if(Array.isArray(n.meshes)&&!n.meshes.includes(r.getName()))return void t.debug(`partition: Skipping mesh #${o} with name "${r.getName()}".`);t.debug(`partition: Creating buffer for mesh "${r.getName()}".`);const i=e.createBuffer(r.getName()).setURI(ae(r.getName()||"mesh",s));r.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,s,n),!1!==n.animations&&function(e,t,n){const s=new Set(e.getRoot().listBuffers().map(e=>e.getURI()));e.getRoot().listAnimations().forEach((r,o)=>{if(Array.isArray(n.animations)&&!n.animations.includes(r.getName()))return void t.debug(`partition: Skipping animation #${o} with name "${r.getName()}".`);t.debug(`partition: Creating buffer for animation "${r.getName()}".`);const i=e.createBuffer(r.getName()).setURI(ae(r.getName()||"animation",s));r.listSamplers().forEach(e=>{const t=e.getInput(),n=e.getOutput();t&&t.setBuffer(i),n&&n.setBuffer(i)})})}(e,s,n),n.meshes||n.animations||s.warn("partition: Select animations or meshes to create a partition."),await e.transform(re({propertyTypes:[t.BUFFER]})),s.debug("partition: Complete.")}};function ae(e,t){let n=`${e}.bin`,s=1;for(;t.has(n);)n=`${e}_${s++}.bin`;return n}const ce=[Int8Array,Int16Array,Int32Array],le={excludeAttributes:[],quantizationVolume:"mesh",quantizePosition:14,quantizeNormal:10,quantizeTexcoord:12,quantizeColor:8,quantizeWeight:8,quantizeGeneric:12},ge=(e=le)=>{const n=L({},le,e);return async e=>{const s=e.getLogger(),r=e.getRoot();let o;e.createExtension(S).setRequired(!0),"scene"===n.quantizationVolume&&(o=fe(function(e){const t=e[0];for(const n of e)R(t.min,t.min,n.min),x(t.max,t.max,n.max);return t}(r.listMeshes().map(Ae))));for(const t of e.getRoot().listMeshes()){"mesh"===n.quantizationVolume&&(o=fe(Ae(t))),o&&!n.excludeAttributes.includes("POSITION")&&pe(e,t,o);for(const s of t.listPrimitives()){ue(e,s,o,n);for(const t of s.listTargets())ue(e,t,o,n)}}await e.transform(re({propertyTypes:[t.ACCESSOR,t.SKIN]}),F({propertyTypes:[t.ACCESSOR]})),s.debug("quantize: Complete.")}};function ue(e,t,n,s){const o=e.getLogger();for(const e of t.listSemantics()){if(s.excludeAttributes.includes(e))continue;const i=t.getAttribute(e),{bits:a,ctor:c}=he(e,i,o,s);if(!c)continue;if(a<8||a>16)throw new Error("quantize: Requires bits = 8–16.");if(i.getComponentSize()<=a/8)continue;const l=i.clone();if("POSITION"===e){const e=n.scale,s=[];t instanceof r?I(s,Ee(n)):w(s,[1/e,1/e,1/e]);for(let e=0,t=[0,0,0],n=l.getCount();e<n;e++)l.getElement(e,t),l.setElement(e,N(t,t,s))}de(l,c,a),t.swap(i,l)}if(t instanceof r&&t.getIndices()&&t.listAttributes().length&&t.listAttributes()[0].getCount()<65535){const e=t.getIndices();e.setArray(new Uint16Array(e.getArray()))}}function fe(e){const{min:t,max:n}=e,s=Math.max((n[0]-t[0])/2,(n[1]-t[1])/2,(n[2]-t[2])/2);return{offset:[t[0]+(n[0]-t[0])/2,t[1]+(n[1]-t[1])/2,t[2]+(n[2]-t[2])/2],scale:s}}function pe(e,t,n){const s=Ee(n);for(const r of t.listParents())if(r instanceof l){const o=r.listChildren().length>0,i=!!r.listParents().find(e=>e instanceof u);if(r.getSkin()){r.setSkin(me(r.getSkin(),n));continue}let a;o||i?(a=e.createNode("").setMesh(t),r.addChild(a).setMesh(null)):a=r;const c=a.getMatrix();M(c,c,s),a.setMatrix(c)}}function me(e,t){e=e.clone();const n=Ee(t),s=e.getInverseBindMatrices().clone(),r=[];for(let e=0,t=s.getCount();e<t;e++)s.getElement(e,r),M(r,r,n),s.setElement(e,r);return e.setInverseBindMatrices(s)}function de(e,t,n){const s=new t(e.getArray().length),r=ce.includes(t)?1:0,o=n-r,i=8*t.BYTES_PER_ELEMENT-r,a=Math.pow(2,o)-1,c=i-o,l=2*o-i;for(let t=0,n=0,r=[];t<e.getCount();t++){e.getElement(t,r);for(let e=0;e<r.length;e++){let t=Math.round(Math.abs(r[e])*a);t=t<<c|t>>l,s[n++]=t*Math.sign(r[e])}}e.setArray(s).setNormalized(!0)}function he(e,t,n,s){const r=t.getMinNormalized([]),o=t.getMaxNormalized([]);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(r.some(e=>e<0)||o.some(e=>e>1))return n.warn(`quantize: Skipping ${e}; out of [0,1] 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(r.some(e=>e<0)||o.some(e=>e>1))return n.warn(`quantize: Skipping ${e}; out of [0,1] range.`),{bits:-1};i=s.quantizeWeight,a=i<=8?Uint8Array:Uint16Array}else{if(!e.startsWith("_"))throw new Error(`quantize: Unexpected semantic, "${e}".`);if(r.some(e=>e<-1)||o.some(e=>e>1))return n.warn(`quantize: Skipping ${e}; out of [-1,1] range.`),{bits:-1};i=s.quantizeGeneric,a=a=r.some(e=>e<0)?i<=8?Int8Array:Int16Array:i<=8?Uint8Array:Uint16Array}}return{bits:i,ctor:a}}function Ae(e){const t=[],n=[];for(const s of e.listPrimitives()){const e=s.getAttribute("POSITION");e&&t.push(e);for(const e of s.listTargets()){const t=e.getAttribute("POSITION");t&&n.push(t)}}if(0===t.length)throw new Error('quantize: Missing "POSITION" attribute.');const s=ye(t,3);if(n.length>0){const{min:e,max:t}=ye(n,3);R(s.min,s.min,R(e,C(e,e,2),[0,0,0])),x(s.max,s.max,x(t,C(t,t,2),[0,0,0]))}return s}function ye(e,t){const n=new Array(t).fill(Infinity),s=new Array(t).fill(-Infinity),r=[],o=[];for(const i of e){i.getMinNormalized(r),i.getMaxNormalized(o);for(let e=0;e<t;e++)n[e]=Math.min(n[e],r[e]),s[e]=Math.max(s[e],o[e])}return{min:n,max:s}}function Ee(e){return b([],[0,0,0,1],e.offset,[e.scale,e.scale,e.scale])}const Te={tolerance:1e-4},Se=(e=Te)=>{const t=L({},Te,e);return e=>{const n=new Set,r=e.getRoot().listAccessors().length,o=e.getLogger();let i=!1;for(const s of e.getRoot().listAnimations()){const e=new Set;for(const t of s.listChannels())t.getSampler()&&"weights"===t.getTargetPath()&&e.add(t.getSampler());for(const r of s.listSamplers())e.has(r)?i=!0:"STEP"!==r.getInterpolation()&&"LINEAR"!==r.getInterpolation()||(n.add(r.getInput()),n.add(r.getOutput()),Ie(r,t))}for(const e of Array.from(n.values()))e.listParents().some(e=>!(e instanceof s))||e.dispose();e.getRoot().listAccessors().length>r&&o.warn('resample: Resampling required copying accessors, some of which may be duplicates. Consider using "dedup" to consolidate any duplicates.'),i&&o.warn("resample: Skipped optimizing morph target keyframes, not yet supported."),o.debug("resample: Complete.")}};function Ie(e,t){const n=e.getInput().clone(),s=e.getOutput().clone(),r=t.tolerance,o=n.getCount()-1,i=[];let a=1;for(let t=1;t<o;++t){const o=n.getScalar(t),l=n.getScalar(t-1),g=n.getScalar(t+1),u=(o-l)/(g-l);let f=!1;if(o!==g&&(1!==t||o!==n.getScalar(0)))for(let n=0;n<s.getElementSize();n++){const o=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(o-(a*(1-(c=u))+l*c))>r){f=!0;break}}else if("STEP"===e.getInterpolation()&&(o!==a||o!==l)){f=!0;break}}f&&(t!==a&&(n.setScalar(a,n.getScalar(t)),s.setElement(a,s.getElement(t,i))),a++)}var c;o>0&&(n.setScalar(a,n.getScalar(o)),s.setElement(a,s.getElement(o,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 be={target:"size"};function we(e=be){const n=L({},be,e),s=n.encoder;return async e=>{const o=e.getLogger();await s.ready;const i=function(e){const t=new G,n=new Map,s=new G;for(const r of e.getRoot().listMeshes())for(const e of r.listPrimitives()){const r=e.getIndices();if(r){n.set(r,e.getMode());for(const n of Ne(e))t.add(r,n),s.add(n,e)}}return{indicesToAttributes:t,indicesToMode:n,attributesToPrimitives:s}}(e);for(const e of i.indicesToAttributes.keys()){const t=e.clone();let o=t.getArray().slice();o instanceof Uint32Array||(o=new Uint32Array(o));const[a,c]=s.reorderMesh(o,i.indicesToMode.get(e)===r.Mode.TRIANGLES,"size"===n.target);t.setArray(c<=65534?new Uint16Array(o):o);for(const n of i.indicesToAttributes.get(e)){const s=n.clone();Me(s,a,c);for(const r of i.attributesToPrimitives.get(n))if(r.getIndices()===e&&r.swap(e,t),r.getIndices()===t){r.swap(n,s);for(const e of r.listTargets())e.swap(n,s)}}}await e.transform(re({propertyTypes:[t.ACCESSOR]})),i.indicesToAttributes.size?o.debug("reorder: Complete."):o.warn("reorder: No qualifying primitives found; may need to weld first.")}}function Me(e,t,n){const s=e.getElementSize(),r=e.getCount(),o=e.getArray(),i=o.slice(0,n*s);for(let e=0;e<r;e++)for(let n=0;n<s;n++)i[t[e]*s+n]=o[e*s+n];e.setArray(i)}function Ne(e){const t=[];for(const n of e.listAttributes())t.push(n);for(const n of e.listTargets())for(const e of n.listAttributes())t.push(e);return Array.from(new Set(t))}const Re={name:"",fps:10,pattern:/.*/,sort:!0};function Ce(e=Re){const t=L({},Re,e);return e=>{const n=e.getLogger(),s=e.getRoot(),r=t.fps,o=s.listNodes().filter(e=>e.getName().match(t.pattern));t.sort&&o.sort((e,t)=>e.getName()>t.getName()?1:-1);const i=e.createAnimation(t.name),a=s.listBuffers()[0];o.forEach((t,n)=>{let s,c;0===n?(s=[n/r,(n+1)/r],c=[1,1,1,0,0,0]):n===o.length-1?(s=[(n-1)/r,n/r],c=[0,0,0,1,1,1]):(s=[(n-1)/r,n/r,(n+1)/r],c=[0,0,0,1,1,1,0,0,0]);const l=e.createAccessor().setArray(new Float32Array(s)).setBuffer(a),u=e.createAccessor().setArray(new Float32Array(c)).setBuffer(a).setType(f.Type.VEC3),m=e.createAnimationSampler().setInterpolation(p.Interpolation.STEP).setInput(l).setOutput(u),d=e.createAnimationChannel().setTargetNode(t).setTargetPath(g.TargetPath.SCALE).setSampler(m);i.addSampler(m).addChannel(d)}),n.debug("sequence: Complete.")}}const xe={overwrite:!1};function Oe(e=xe){if(!e.generateTangents)throw new Error('tangents: generateTangents callback required — install "mikktspace".');const t=L({},xe,e);return e=>{const n=e.getLogger(),s=new Map,r=new Map;let o=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(!Pe(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)||m();s.set(g,p);const d=s.get(u)||m();s.set(u,d);const h=s.get(f)||m();s.set(f,h);const A=l.getAttribute("TANGENT");A&&2===A.listParents().length&&A.dispose();const y=`${p}|${d}|${h}`;let E=r.get(y);if(E){n.debug(`tangents: Found cache for primitive ${i} of mesh "${a}".`),l.setAttribute("TANGENT",E),o++;continue}n.debug(`tangents: Generating for primitive ${i} of mesh "${a}".`);const T=l.getAttribute("POSITION").getBuffer(),S=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<S.length;e+=4)S[e]*=-1;E=e.createAccessor().setBuffer(T).setArray(S).setType("VEC4"),l.setAttribute("TANGENT",E),r.set(y,E),o++}}o?n.debug("tangents: Complete."):n.warn("tangents: No qualifying primitives found. See debug output.")}}function Pe(e,t,n,s,o){return e.getMode()===r.Mode.TRIANGLES&&e.getAttribute("POSITION")&&e.getAttribute("NORMAL")&&e.getAttribute("TEXCOORD_0")?e.getAttribute("TANGENT")&&!o?(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 ze="textureResize";var Le;!function(e){e.LANCZOS3="lanczos3",e.LANCZOS2="lanczos2"}(Le||(Le={}));const ve={size:[2048,2048],filter:Le.LANCZOS3,pattern:null};function $e(e=ve){const t=L({},ve,e);return async e=>{const n=e.getLogger();for(const s of e.getRoot().listTextures()){const e=s.getName(),r=s.getURI();if(t.pattern&&!t.pattern.test(e)&&!t.pattern.test(r))continue;if("image/png"!==s.getMimeType()&&"image/jpeg"!==s.getMimeType()){n.warn(`Skipping unsupported texture type, "${s.getMimeType()}".`);continue}const[o,i]=t.size,[a,c]=s.getSize();if(a<=o&&c<=i){n.debug(`${ze}: Skipping "${r||e}", within size range.`);continue}let l=a,g=c;l>o&&(l=o,g=Math.floor(g*(l/a))),g>i&&(g=i,l=Math.floor(l*(g/c)));const u=new Uint8Array(s.getImage()),f=await d(u,s.getMimeType()),p=O(new Uint8Array(l*g*4),[l,g,4]);n.debug(`${ze}: Resizing "${r||e}", ${f.shape} → ${p.shape}...`);try{t.filter===Le.LANCZOS3?P(f,p):z(f,p)}catch(t){n.warn(`${ze}: Failed to resize "${r||e}": "${t.message}".`);continue}s.setImage((await h(p,s.getMimeType())).buffer)}n.debug(`${ze}: Complete.`)}}const _e={};function ke(e=_e){return L({},_e,e),e=>{const t=e.getLogger(),n=new Map;for(const s of e.getRoot().listMeshes())for(const e of s.listPrimitives()){const s=e.getIndices();if(s){for(const r of e.listAttributes())e.swap(r,Fe(r,s,t,n)),1===r.listParents().length&&r.dispose();for(const r of e.listTargets())for(const e of r.listAttributes())r.swap(e,Fe(e,s,t,n)),1===e.listParents().length&&e.dispose();e.setIndices(null),1===s.listParents().length&&s.dispose()}}t.debug("unweld: Complete.")}}function Fe(e,t,n,s){if(s.has(e)&&s.get(e).has(t))return n.debug(`unweld: Cache hit for reused attribute, "${e.getName()}".`),s.get(e).get(t);const r=e.clone(),o=e.getArray().constructor;r.setArray(new o(t.getCount()*e.getElementSize()));const i=[];for(let n=0;n<t.getCount();n++)r.setElement(n,e.getElement(t.getScalar(n),i));return s.has(e)||s.set(e,new Map),s.get(e).set(t,r),r}const Ue={tolerance:1e-4};function qe(e=Ue){const t=L({},Ue,e);return e=>{const n=e.getLogger();for(const n of e.getRoot().listMeshes())for(const s of n.listPrimitives())0===t.tolerance?Ge(e,s):Be(e,s,t);n.debug("weld: Complete.")}}function Ge(e,t){if(t.getIndices())return;const n=t.listAttributes()[0],s=n.getCount(),r=n.getBuffer(),o=s<=65534?new Uint16Array(3*q(t)):new Uint32Array(3*q(t)),i=e.createAccessor().setBuffer(r).setType(f.Type.SCALAR).setArray(o);for(let e=0;e<i.getCount();e++)i.setScalar(e,e);t.setIndices(i)}function Be(e,t,n){const s=Math.max(n.tolerance,Number.EPSILON),r=Math.log10(1/s),o=Math.pow(10,r),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=[],r=[];for(const e of t.listAttributes())for(let t=0;t<e.getElementSize();t++)s.push(~~(e.getElement(n,r)[t]*o));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} → ${p} vertices.`);for(const e of t.listAttributes())je(t,e,l.get(e)),1===e.listParents().length&&e.dispose();for(const e of t.listTargets())for(const t of e.listAttributes())je(e,t,l.get(t)),1===t.listParents().length&&t.dispose();if(a){const e=Ve(a.getArray(),g.length);e.set(g),t.setIndices(a.clone().setArray(e)),1===a.listParents().length&&a.dispose()}else{const n=f<=65534?new Uint16Array(g):new Uint32Array(g);t.setIndices(e.createAccessor().setArray(n))}}function Ve(e,t){return new(0,e.constructor)(t)}function je(e,t,n){const s=n.length*t.getElementSize(),r=Ve(t.getArray(),s),o=t.clone().setArray(r);for(let e=0;e<n.length;e++)o.setElement(e,n[e]);e.swap(t,o)}export{le as QUANTIZE_DEFAULTS,ve as TEXTURE_RESIZE_DEFAULTS,Le as TextureResizeFilter,$ as center,_ as colorspace,F as dedup,B as inspect,Y as instance,ne as metalRough,ie as partition,re as prune,ge as quantize,we as reorder,Se as resample,Ce as sequence,Oe as tangents,$e as textureResize,ke as unweld,qe as weld};
 //# sourceMappingURL=functions.modern.js.map

dist/reorder.d.ts

@@ -21,3 +21,3 @@ import { Transform } from '@gltf-transform/core';
  * ```ts
- * import { MeshoptEncoder } from 'path/to/meshopt_encoder.module.js';
+ * import { MeshoptEncoder } from 'meshoptimizer';
  * import { reorder } from '@gltf-transform/functions';
@@ -24,0 +24,0 @@ *

package.json

 {
   "name": "@gltf-transform/functions",
-  "version": "0.12.8",
+  "version": "0.12.9",
   "repository": "github:donmccurdy/glTF-Transform",
@@ -27,4 +27,4 @@ "homepage": "https://gltf-transform.donmccurdy.com/functions.html",
   "dependencies": {
-    "@gltf-transform/core": "^0.12.8",
-    "@gltf-transform/extensions": "^0.12.8",
+    "@gltf-transform/core": "^0.12.9",
+    "@gltf-transform/extensions": "^0.12.9",
     "gl-matrix": "^3.3.0",
@@ -45,3 +45,3 @@ "ndarray": "^1.0.19",
   },
-  "gitHead": "bc16859dafe98c06b1171a088b1861c9f3a1ff05"
+  "gitHead": "f1746a34aaafa39ccbed30521d71f9ee1b647d6c"
 }

src/quantize.ts

@@ -1,5 +0,6 @@
-import { Accessor, Animation, Document, Logger, Mesh, Node, Primitive, PrimitiveTarget, Transform, vec3, mat4, Skin, bbox, PropertyType, vec2, vec4 } from '@gltf-transform/core';
+import { Accessor, Animation, bbox, Document, Logger, mat4, Mesh, Node, Primitive, PrimitiveTarget, PropertyType, Skin, Transform, vec2, vec3, vec4 } from '@gltf-transform/core';
+import { dedup } from './dedup';
+import { fromRotationTranslationScale, fromScaling, invert, multiply as multiplyMat4 } from 'gl-matrix/mat4';
+import { max, min, scale, transformMat4 } from 'gl-matrix/vec3';
 import { MeshQuantization } from '@gltf-transform/extensions';
-import { fromRotationTranslationScale, multiply as multiplyMat4 } from 'gl-matrix/mat4';
-import { dedup } from './dedup';
 import { prune } from './prune';
@@ -71,7 +72,5 @@
 		if (options.quantizationVolume === 'scene') {
-			const positions: Accessor[] = [];
-			for (const mesh of root.listMeshes()) {
-				positions.push(...listPositionAttributes(mesh));
-			}
-			nodeTransform = getNodeTransform(flatBounds(positions, 3));
+			nodeTransform = getNodeTransform(
+				expandBounds(root.listMeshes().map(getPositionQuantizationVolume))
+			);
 		}
@@ -82,3 +81,3 @@
 			if (options.quantizationVolume === 'mesh') {
-				nodeTransform = getNodeTransform(flatBounds(listPositionAttributes(mesh), 3));
+				nodeTransform = getNodeTransform(getPositionQuantizationVolume(mesh));
 			}
@@ -129,4 +128,11 @@
 		if (semantic === 'POSITION') {
+			const scale = nodeTransform.scale;
+			const transform: mat4 = [] as unknown as mat4;
+			// Morph targets are relative offsets, don't translate them.
+			prim instanceof Primitive
+				? invert(transform, fromTransform(nodeTransform))
+				: fromScaling(transform, [1 / scale, 1 / scale, 1 / scale]);
 			for (let i = 0, el: vec3 = [0, 0, 0], il = dstAttribute.getCount(); i < il; i++) {
-				dstAttribute.setElement(i, nodeTransform.remap(dstAttribute.getElement(i, el)));
+				dstAttribute.getElement(i, el);
+				dstAttribute.setElement(i, transformMat4(el, el, transform) as vec3);
 			}
@@ -149,28 +155,2 @@ }
 
-interface VectorTransform<T = vec2|vec3|vec4> {
-	remap: (v: number[]) => number[];
-	offset: T;
-	scale: number;
-}
-
-/** Computes total min and max of all Accessors in a list. */
-function flatBounds<T = vec2|vec3>(accessors: Accessor[], elementSize: number): ({min: T, max: T}) {
-	const min: number[] = new Array(elementSize).fill(Infinity);
-	const max: number[] = new Array(elementSize).fill(-Infinity);
-
-	const tmpMin: number[] = [];
-	const tmpMax: number[] = [];
-
-	for (const accessor of accessors) {
-		accessor.getMinNormalized(tmpMin);
-		accessor.getMaxNormalized(tmpMax);
-		for (let i = 0; i < elementSize; i++) {
-			min[i] = Math.min(min[i], tmpMin[i]);
-			max[i] = Math.max(max[i], tmpMax[i]);
-		}
-	}
-
-	return {min, max} as unknown as {min: T, max: T};
-}
-
 /** Computes node quantization transforms in local space. */
@@ -195,28 +175,5 @@ function getNodeTransform(volume: bbox): VectorTransform<vec3> {
 
-	// Transforms mesh vertices to a [-1,1] AABB centered at the origin.
-	const remap = (v: number[]) => [
-		(v[0] - offset[0]) / scale,
-		(v[1] - offset[1]) / scale,
-		(v[2] - offset[2]) / scale,
-	];
-
-	return {remap, offset, scale};
+	return {offset, scale};
 }
 
-function listPositionAttributes(mesh: Mesh): Accessor[] {
-	const positions: Accessor[] = [];
-	for (const prim of mesh.listPrimitives()) {
-		const attribute = prim.getAttribute('POSITION');
-		if (attribute) positions.push(attribute);
-		for (const target of prim.listTargets()) {
-			const attribute = target.getAttribute('POSITION');
-			if (attribute) positions.push(attribute);
-		}
-	}
-	if (positions.length === 0) {
-		throw new Error(`${NAME}: Missing "POSITION" attribute.`);
-	}
-	return positions;
-}
-
 /** Applies corrective scale and offset to nodes referencing a quantized Mesh. */
@@ -367,2 +324,67 @@ function transformMeshParents(
 
+function getPositionQuantizationVolume(mesh: Mesh): bbox {
+	const positions: Accessor[] = [];
+	const relativePositions: Accessor[] = [];
+	for (const prim of mesh.listPrimitives()) {
+		const attribute = prim.getAttribute('POSITION');
+		if (attribute) positions.push(attribute);
+		for (const target of prim.listTargets()) {
+			const attribute = target.getAttribute('POSITION');
+			if (attribute) relativePositions.push(attribute);
+		}
+	}
+
+	if (positions.length === 0) {
+		throw new Error(`${NAME}: Missing "POSITION" attribute.`);
+	}
+
+	const bbox = flatBounds<vec3>(positions, 3);
+
+	// Morph target quantization volume is computed differently. First, ensure that the origin
+	// <0, 0, 0> is in the quantization volume. Because we can't offset target positions (they're
+	// relative deltas), default remapping will only map to a [-2, 2] AABB. Double the bounding box
+	// to ensure scaling puts them within a [-1, 1] AABB instead.
+	if (relativePositions.length > 0) {
+		const {min: relMin, max: relMax} = flatBounds<vec3>(relativePositions, 3);
+		min(bbox.min, bbox.min, min(relMin, scale(relMin, relMin, 2), [0, 0, 0]));
+		max(bbox.max, bbox.max, max(relMax, scale(relMax, relMax, 2), [0, 0, 0]));
+	}
+
+	return bbox;
+}
+
+/** Computes total min and max of all Accessors in a list. */
+function flatBounds<T = vec2|vec3>(accessors: Accessor[], elementSize: number): ({min: T, max: T}) {
+	const min: number[] = new Array(elementSize).fill(Infinity);
+	const max: number[] = new Array(elementSize).fill(-Infinity);
+
+	const tmpMin: number[] = [];
+	const tmpMax: number[] = [];
+
+	for (const accessor of accessors) {
+		accessor.getMinNormalized(tmpMin);
+		accessor.getMaxNormalized(tmpMax);
+		for (let i = 0; i < elementSize; i++) {
+			min[i] = Math.min(min[i], tmpMin[i]);
+			max[i] = Math.max(max[i], tmpMax[i]);
+		}
+	}
+
+	return {min, max} as unknown as {min: T, max: T};
+}
+
+function expandBounds(bboxes: bbox[]): bbox {
+	const result = bboxes[0];
+	for (const bbox of bboxes) {
+		min(result.min, result.min, bbox.min);
+		max(result.max, result.max, bbox.max);
+	}
+	return result;
+}
+
+interface VectorTransform<T = vec2|vec3|vec4> {
+	offset: T;
+	scale: number;
+}
+
 function fromTransform(transform: VectorTransform<vec3>): mat4 {
@@ -369,0 +391,0 @@ return fromRotationTranslationScale(

src/reorder.ts

@@ -37,3 +37,3 @@ import { Accessor, Document, GLTF, Primitive, PropertyType, Transform } from '@gltf-transform/core';
  * ```ts
- * import { MeshoptEncoder } from 'path/to/meshopt_encoder.module.js';
+ * import { MeshoptEncoder } from 'meshoptimizer';
  * import { reorder } from '@gltf-transform/functions';
@@ -40,0 +40,0 @@ *

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

Improved metrics

Total package byte prevSize

432963

increased by1.1%

Lines of code

2897

increased by0.73%

Dependency changes

• Updated@gltf-transform/core@^0.12.9

• Updated@gltf-transform/extensions@^0.12.9