3 lines
10 KiB
JavaScript
3 lines
10 KiB
JavaScript
import{s as f,z as D,bb as S}from"./index-b5c8f851.js";import{e as U}from"./VertexAttribute-0e674613.js";const d=!0,m={identifierOffset:0,identifierLength:10,versionOffset:10,checksumOffset:12,byteCount:16};function L(t,e,r){return{identifier:String.fromCharCode.apply(null,new Uint8Array(t,r+m.identifierOffset,m.identifierLength)),version:e.getUint16(r+m.versionOffset,d),checksum:e.getUint32(r+m.checksumOffset,d)}}const w={sizeLo:0,sizeHi:4,minX:8,minY:16,minZ:24,maxX:32,maxY:40,maxZ:48,errorX:56,errorY:64,errorZ:72,count:80,reserved:84,byteCount:88};function k(t,e){return{sizeLo:t.getUint32(e+w.sizeLo,d),sizeHi:t.getUint32(e+w.sizeHi,d),minX:t.getFloat64(e+w.minX,d),minY:t.getFloat64(e+w.minY,d),minZ:t.getFloat64(e+w.minZ,d),maxX:t.getFloat64(e+w.maxX,d),maxY:t.getFloat64(e+w.maxY,d),maxZ:t.getFloat64(e+w.maxZ,d),errorX:t.getFloat64(e+w.errorX,d),errorY:t.getFloat64(e+w.errorY,d),errorZ:t.getFloat64(e+w.errorZ,d),count:t.getUint32(e+w.count,d),reserved:t.getUint32(e+w.reserved,d)}}function q(t){const e=new DataView(t,0);let r=0;const{identifier:c,version:o}=L(t,e,r);if(r+=m.byteCount,c!=="LEPCC ")throw new f("lepcc-decode-error","Bad identifier");if(o>1)throw new f("lepcc-decode-error","Unknown version");const n=k(e,r);if(r+=w.byteCount,n.sizeHi*2**32+n.sizeLo!==t.byteLength)throw new f("lepcc-decode-error","Bad size");const s=new Float64Array(3*n.count),a=[],i=[],u=[],l=[];if(r=I(t,r,a),r=I(t,r,i),r=I(t,r,u),r=I(t,r,l),r!==t.byteLength)throw new f("lepcc-decode-error","Bad length");let g=0,y=0;for(let b=0;b<a.length;b++){y+=a[b];let v=0;for(let C=0;C<i[b];C++){v+=u[g];const P=l[g];s[3*g]=Math.min(n.maxX,n.minX+2*n.errorX*v),s[3*g+1]=Math.min(n.maxY,n.minY+2*n.errorY*y),s[3*g+2]=Math.min(n.maxZ,n.minZ+2*n.errorZ*P),g++}}return{errorX:n.errorX,errorY:n.errorY,errorZ:n.errorZ,result:s}}function I(t,e,r){const c=[];e=z(t,e,c);const o=[];for(let n=0;n<c.length;n++){o.length=0,e=z(t,e,o);for(let s=0;s<o.length;s++)r.push(o[s]+c[n])}return e}function z(t,e,r){const c=new DataView(t,e),o=c.getUint8(0),n=31&o,s=!!(32&o),a=(192&o)>>6;let i=0;if(a===0)i=c.getUint32(1,d),e+=5;else if(a===1)i=c.getUint16(1,d),e+=3;else{if(a!==2)throw new f("lepcc-decode-error","Bad count type");i=c.getUint8(1),e+=2}if(s)throw new f("lepcc-decode-error","LUT not implemented");const u=Math.ceil(i*n/8),l=new Uint8Array(t,e,u);let g=0,y=0,b=0;const v=-1>>>32-n;for(let C=0;C<i;C++){for(;y<n;)g|=l[b]<<y,y+=8,b+=1;r[C]=g&v,g>>>=n,y-=n,y+n>32&&(g|=l[b-1]>>8-y)}return e+b}const h={sizeLo:0,sizeHi:4,count:8,colorMapCount:12,lookupMethod:14,compressionMethod:15,byteCount:16};function Y(t,e){return{sizeLo:t.getUint32(e+h.sizeLo,d),sizeHi:t.getUint32(e+h.sizeHi,d),count:t.getUint32(e+h.count,d),colorMapCount:t.getUint16(e+h.colorMapCount,d),lookupMethod:t.getUint8(e+h.lookupMethod),compressionMethod:t.getUint8(e+h.compressionMethod)}}function V(t){const e=new DataView(t,0);let r=0;const{identifier:c,version:o}=L(t,e,r);if(r+=m.byteCount,c!=="ClusterRGB")throw new f("lepcc-decode-error","Bad identifier");if(o>1)throw new f("lepcc-decode-error","Unknown version");const n=Y(e,r);if(r+=h.byteCount,n.sizeHi*2**32+n.sizeLo!==t.byteLength)throw new f("lepcc-decode-error","Bad size");if((n.lookupMethod===2||n.lookupMethod===1)&&n.compressionMethod===0){if(3*n.colorMapCount+n.count+r!==t.byteLength||n.colorMapCount>256)throw new f("lepcc-decode-error","Bad count");const s=new Uint8Array(t,r,3*n.colorMapCount),a=new Uint8Array(t,r+3*n.colorMapCount,n.count),i=new Uint8Array(3*n.count);for(let u=0;u<n.count;u++){const l=a[u];i[3*u]=s[3*l],i[3*u+1]=s[3*l+1],i[3*u+2]=s[3*l+2]}return i}if(n.lookupMethod===0&&n.compressionMethod===0){if(3*n.count+r!==t.byteLength||n.colorMapCount!==0)throw new f("lepcc-decode-error","Bad count");return new Uint8Array(t,r).slice()}if(n.lookupMethod<=2&&n.compressionMethod===1){if(r+3!==t.byteLength||n.colorMapCount!==1)throw new f("lepcc-decode-error","Bad count");const s=e.getUint8(r),a=e.getUint8(r+1),i=e.getUint8(r+2),u=new Uint8Array(3*n.count);for(let l=0;l<n.count;l++)u[3*l]=s,u[3*l+1]=a,u[3*l+2]=i;return u}throw new f("lepcc-decode-error","Bad method "+n.lookupMethod+","+n.compressionMethod)}const p={sizeLo:0,sizeHi:4,count:8,scaleFactor:12,bitsPerPoint:14,reserved:15,byteCount:16};function $(t,e){return{sizeLo:t.getUint32(e+p.sizeLo,d),sizeHi:t.getUint32(e+p.sizeHi,d),count:t.getUint32(e+p.count,d),scaleFactor:t.getUint16(e+p.scaleFactor,d),bitsPerPoint:t.getUint8(e+p.bitsPerPoint),reserved:t.getUint8(e+p.reserved)}}function X(t){const e=new DataView(t,0);let r=0;const{identifier:c,version:o}=L(t,e,r);if(r+=m.byteCount,c!=="Intensity ")throw new f("lepcc-decode-error","Bad identifier");if(o>1)throw new f("lepcc-decode-error","Unknown version");const n=$(e,r);if(r+=p.byteCount,n.sizeHi*2**32+n.sizeLo!==t.byteLength)throw new f("lepcc-decode-error","Bad size");const s=new Uint16Array(n.count);if(n.bitsPerPoint===8){if(n.count+r!==t.byteLength)throw new f("lepcc-decode-error","Bad size");const a=new Uint8Array(t,r,n.count);for(let i=0;i<n.count;i++)s[i]=a[i]*n.scaleFactor}else if(n.bitsPerPoint===16){if(2*n.count+r!==t.byteLength)throw new f("lepcc-decode-error","Bad size");const a=new Uint16Array(t,r,n.count);for(let i=0;i<n.count;i++)s[i]=a[i]*n.scaleFactor}else{const a=[];if(z(t,r,a)!==t.byteLength)throw new f("lepcc-decode-error","Bad size");for(let i=0;i<n.count;i++)s[i]=a[i]*n.scaleFactor}return s}const M=D.getLogger("esri.views.3d.layers.i3s.I3SBinaryReader");function Z(t,e,r){let c="",o=0;for(;o<r;){const n=t[e+o];if(n<128)c+=String.fromCharCode(n),o++;else if(n>=192&&n<224){if(o+1>=r)throw new f("utf8-decode-error","UTF-8 Decode failed. Two byte character was truncated.");const s=(31&n)<<6|63&t[e+o+1];c+=String.fromCharCode(s),o+=2}else if(n>=224&&n<240){if(o+2>=r)throw new f("utf8-decode-error","UTF-8 Decode failed. Multi byte character was truncated.");const s=(15&n)<<12|(63&t[e+o+1])<<6|63&t[e+o+2];c+=String.fromCharCode(s),o+=3}else{if(!(n>=240&&n<248))throw new f("utf8-decode-error","UTF-8 Decode failed. Invalid multi byte sequence.");{if(o+3>=r)throw new f("utf8-decode-error","UTF-8 Decode failed. Multi byte character was truncated.");const s=(7&n)<<18|(63&t[e+o+1])<<12|(63&t[e+o+2])<<6|63&t[e+o+3];if(s>=65536){const a=55296+(s-65536>>10),i=56320+(1023&s);c+=String.fromCharCode(a,i)}else c+=String.fromCharCode(s);o+=4}}}return c}function B(t,e){const r={byteOffset:0,byteCount:0,fields:Object.create(null)};let c=0;for(let o=0;o<e.length;o++){const n=e[o],s=n.valueType||n.type,a=_[s];r.fields[n.property]=a(t,c),c+=O[s].BYTES_PER_ELEMENT}return r.byteCount=c,r}function H(t,e,r){return T(t,e,r).map(c=>{const o=c?Date.parse(c):null;return o&&!Number.isNaN(o)?o:null})}function T(t,e,r){const c=[];let o,n,s=0;for(n=0;n<t;n+=1){if(o=e[n],o>0){if(c.push(Z(r,s,o-1)),r[s+o-1]!==0)throw new f("string-array-error","Invalid string array: missing null termination.")}else c.push(null);s+=o}return c}function F(t,e){return new O[e.valueType](t,e.byteOffset,e.count*e.valuesPerElement)}function N(t,e){return new Uint8Array(t,e.byteOffset,e.byteCount)}function j(t,e,r){const c=e.header!=null?B(t,e.header):{byteOffset:0,byteCount:0,fields:{count:r}},o={header:c,byteOffset:c.byteCount,byteCount:0,entries:Object.create(null)};let n=c.byteCount;for(let s=0;s<e.ordering.length;s++){const a=e.ordering[s],i=S(e[a]);if(i.count=c.fields.count??0,i.valueType==="String"){if(i.byteOffset=n,i.byteCount=c.fields[a+"ByteCount"],i.encoding!=="UTF-8")throw new f("unsupported-encoding","Unsupported String encoding.",{encoding:i.encoding});if(i.timeEncoding&&i.timeEncoding!=="ECMA_ISO8601")throw new f("unsupported-time-encoding","Unsupported time encoding.",{timeEncoding:i.timeEncoding})}else{if(!x(i.valueType))throw new f("unsupported-value-type","Unsupported binary valueType",{valueType:i.valueType});{const u=A(i.valueType);n+=n%u!=0?u-n%u:0,i.byteOffset=n,i.byteCount=u*i.valuesPerElement*i.count}}n+=i.byteCount??0,o.entries[a]=i}return o.byteCount=n-o.byteOffset,o}function E(t,e,r){if(e!==t&&M.error(`Invalid ${r} buffer size
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expected: ${t}, actual: ${e})`),e<t)throw new f("buffer-too-small","Binary buffer is too small",{expectedSize:t,actualSize:e})}function J(t,e){const r=B(t,e&&e.header);let c=r.byteCount;const o={isDraco:!1,header:r,byteOffset:r.byteCount,byteCount:0,vertexAttributes:{}},n=r.fields,s=n.vertexCount!=null?n.vertexCount:n.count;for(const u of e.ordering){if(!e.vertexAttributes[u])continue;const l={...e.vertexAttributes[u],byteOffset:c,count:s},g=R[u]||"_"+u;o.vertexAttributes[g]=l,c+=A(l.valueType)*l.valuesPerElement*s}const a=n.faceCount;if(e.faces&&a){o.faces={};for(const u of e.ordering){if(!e.faces[u])continue;const l={...e.faces[u],byteOffset:c,count:a};o.faces[u]=l,c+=A(l.valueType)*l.valuesPerElement*a}}const i=n.featureCount;if(e.featureAttributes&&e.featureAttributeOrder&&i){o.featureAttributes={};for(const u of e.featureAttributeOrder){if(!e.featureAttributes[u])continue;const l={...e.featureAttributes[u],byteOffset:c,count:i};o.featureAttributes[u]=l,c+=(l.valueType==="UInt64"?8:A(l.valueType))*l.valuesPerElement*i}}return E(c,t.byteLength,"geometry"),o.byteCount=c-o.byteOffset,o}const R={position:U.POSITION,normal:U.NORMAL,color:U.COLOR,uv0:U.UV0,region:U.UVREGION};function K(t,e,r){if(t.encoding==="lepcc-rgb")return V(e);if(t.encoding==="lepcc-intensity")return X(e);if(t.encoding!=null&&t.encoding!=="")throw new f("unknown-attribute-storage-info-encoding","Unknown Attribute Storage Info Encoding");t["attributeByteCounts "]&&!t.attributeByteCounts&&(M.warn("Warning: Trailing space in 'attributeByteCounts '."),t.attributeByteCounts=t["attributeByteCounts "]),t.ordering[0]==="ObjectIds"&&t.hasOwnProperty("objectIds")&&(M.warn("Warning: Case error in objectIds"),t.ordering[0]="objectIds");const c=j(e,t,r);E(c.byteOffset+c.byteCount,e.byteLength,"attribute");const o=c.entries.attributeValues||c.entries.objectIds;if(o){if(o.valueType==="String"){const n=c.entries.attributeByteCounts,s=F(e,n),a=N(e,o);return o.timeEncoding?H(n.count,s,a):T(n.count,s,a)}return F(e,o)}throw new f("bad-attribute-storage-info","Bad attributeStorageInfo specification.")}const O={Float32:Float32Array,Float64:Float64Array,UInt8:Uint8Array,Int8:Int8Array,UInt16:Uint16Array,Int16:Int16Array,UInt32:Uint32Array,Int32:Int32Array},_={Float32:(t,e)=>new DataView(t,0).getFloat32(e,!0),Float64:(t,e)=>new DataView(t,0).getFloat64(e,!0),UInt8:(t,e)=>new DataView(t,0).getUint8(e),Int8:(t,e)=>new DataView(t,0).getInt8(e),UInt16:(t,e)=>new DataView(t,0).getUint16(e,!0),Int16:(t,e)=>new DataView(t,0).getInt16(e,!0),UInt32:(t,e)=>new DataView(t,0).getUint32(e,!0),Int32:(t,e)=>new DataView(t,0).getInt32(e,!0)};function x(t){return O.hasOwnProperty(t)}function A(t){return x(t)?O[t].BYTES_PER_ELEMENT:0}export{K as I,q as c,F as l,J as w};
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