/**
 * Cesium - https://github.com/CesiumGS/cesium
 *
 * Copyright 2011-2020 Cesium Contributors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * Columbus View (Pat. Pend.)
 *
 * Portions licensed separately.
 * See https://github.com/CesiumGS/cesium/blob/master/LICENSE.md for full licensing details.
 */
define(["./when-a55a8a4c","./Check-bc1d37d9","./RuntimeError-7c184ac0","./createTaskProcessorWorker"],function(i,e,S,t){"use strict";var h=1953029805,c=2917034100;function b(e,t){if(b.passThroughDataForTesting)return t;var i=e.byteLength;if(0===i||i%4!=0)throw new S.RuntimeError("The length of key must be greater than 0 and a multiple of 4.");var n=new DataView(t),r=n.getUint32(0,!0);if(r===h||r===c)return t;for(var a,o=new DataView(e),s=0,f=t.byteLength,l=f-f%8,u=i,d=8;s<l;)for(a=d=(d+8)%24;s<l&&a<u;)n.setUint32(s,n.getUint32(s,!0)^o.getUint32(a,!0),!0),n.setUint32(s+4,n.getUint32(s+4,!0)^o.getUint32(a+4,!0),!0),s+=8,a+=24;if(s<f)for(u<=a&&(a=d=(d+8)%24);s<f;)n.setUint8(s,n.getUint8(s)^o.getUint8(a)),s++,a++}function n(e,t){return 0!=(e&t)}b.passThroughDataForTesting=!1;var r=[1,2,4,8];function T(e,t,i,n,r,a){this._bits=e,this.cnodeVersion=t,this.imageryVersion=i,this.terrainVersion=n,this.imageryProvider=r,this.terrainProvider=a,this.ancestorHasTerrain=!1,this.terrainState=void 0}T.clone=function(e,t){return i.defined(t)?(t._bits=e._bits,t.cnodeVersion=e.cnodeVersion,t.imageryVersion=e.imageryVersion,t.terrainVersion=e.terrainVersion,t.imageryProvider=e.imageryProvider,t.terrainProvider=e.terrainProvider):t=new T(e._bits,e.cnodeVersion,e.imageryVersion,e.terrainVersion,e.imageryProvider,e.terrainProvider),t.ancestorHasTerrain=e.ancestorHasTerrain,t.terrainState=e.terrainState,t},T.prototype.setParent=function(e){this.ancestorHasTerrain=e.ancestorHasTerrain||this.hasTerrain()},T.prototype.hasSubtree=function(){return n(this._bits,16)},T.prototype.hasImagery=function(){return n(this._bits,64)},T.prototype.hasTerrain=function(){return n(this._bits,128)},T.prototype.hasChildren=function(){return n(this._bits,15)},T.prototype.hasChild=function(e){return n(this._bits,r[e])},T.prototype.getChildBitmask=function(){return 15&this._bits};var s=function a(o,s,f){function l(i,e){if(!s[i]){if(!o[i]){var t="function"==typeof require&&require;if(!e&&t)return 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t,i,n,r,a,o=e.length,s=0;for(r=0;r<o;r++)55296==(64512&(i=e.charCodeAt(r)))&&r+1<o&&56320==(64512&(n=e.charCodeAt(r+1)))&&(i=65536+(i-55296<<10)+(n-56320),r++),s+=i<128?1:i<2048?2:i<65536?3:4;for(t=new f.Buf8(s),r=a=0;a<s;r++)55296==(64512&(i=e.charCodeAt(r)))&&r+1<o&&56320==(64512&(n=e.charCodeAt(r+1)))&&(i=65536+(i-55296<<10)+(n-56320),r++),i<128?t[a++]=i:(i<2048?t[a++]=192|i>>>6:(i<65536?t[a++]=224|i>>>12:(t[a++]=240|i>>>18,t[a++]=128|i>>>12&63),t[a++]=128|i>>>6&63),t[a++]=128|63&i);return t},i.buf2binstring=function(e){return u(e,e.length)},i.binstring2buf=function(e){for(var t=new f.Buf8(e.length),i=0,n=t.length;i<n;i++)t[i]=e.charCodeAt(i);return t},i.buf2string=function(e,t){var i,n,r,a,o=t||e.length,s=new Array(2*o);for(i=n=0;i<o;)if((r=e[i++])<128)s[n++]=r;else if(4<(a=l[r]))s[n++]=65533,i+=a-1;else{for(r&=2===a?31:3===a?15:7;1<a&&i<o;)r=r<<6|63&e[i++],a--;1<a?s[n++]=65533:r<65536?s[n++]=r:(r-=65536,s[n++]=55296|r>>10&1023,s[n++]=56320|1023&r)}return u(s,n)},i.utf8border=function(e,t){var i;for((t=t||e.length)>e.length&&(t=e.length),i=t-1;0<=i&&128==(192&e[i]);)i--;return!(i<0)&&0!==i&&i+l[e[i]]>t?i:t}},{"./common":1}],3:[function(e,t,i){t.exports=function(e,t,i,n){var r=65535&e|0,a=e>>>16&65535|0,o=0;for(;0!==i;){for(i-=o=2e3<i?2e3:i;r=r+t[n++]|0,a=a+r|0,--o;);r%=65521,a%=65521}return r|a<<16|0}},{}],4:[function(e,t,i){t.exports={Z_NO_FLUSH:0,Z_PARTIAL_FLUSH:1,Z_SYNC_FLUSH:2,Z_FULL_FLUSH:3,Z_FINISH:4,Z_BLOCK:5,Z_TREES:6,Z_OK:0,Z_STREAM_END:1,Z_NEED_DICT:2,Z_ERRNO:-1,Z_STREAM_ERROR:-2,Z_DATA_ERROR:-3,Z_BUF_ERROR:-5,Z_NO_COMPRESSION:0,Z_BEST_SPEED:1,Z_BEST_COMPRESSION:9,Z_DEFAULT_COMPRESSION:-1,Z_FILTERED:1,Z_HUFFMAN_ONLY:2,Z_RLE:3,Z_FIXED:4,Z_DEFAULT_STRATEGY:0,Z_BINARY:0,Z_TEXT:1,Z_UNKNOWN:2,Z_DEFLATED:8}},{}],5:[function(e,t,i){var s=function(){for(var e,t=[],i=0;i<256;i++){e=i;for(var n=0;n<8;n++)e=1&e?3988292384^e>>>1:e>>>1;t[i]=e}return t}();t.exports=function(e,t,i,n){var r=s,a=n+i;e^=-1;for(var o=n;o<a;o++)e=e>>>8^r[255&(e^t[o])];return-1^e}},{}],6:[function(e,t,i){t.exports=function(){this.text=0,this.time=0,this.xflags=0,this.os=0,this.extra=null,this.extra_len=0,this.name="",this.comment="",this.hcrc=0,this.done=!1}},{}],7:[function(e,t,i){t.exports=function(e,t){var i,n,r,a,o,s,f,l,u,d,h,c,b,m,w,g,v,k,_,p,y,x,E,S,T;i=e.state,n=e.next_in,S=e.input,r=n+(e.avail_in-5),a=e.next_out,T=e.output,o=a-(t-e.avail_out),s=a+(e.avail_out-257),f=i.dmax,l=i.wsize,u=i.whave,d=i.wnext,h=i.window,c=i.hold,b=i.bits,m=i.lencode,w=i.distcode,g=(1<<i.lenbits)-1,v=(1<<i.distbits)-1;e:do{b<15&&(c+=S[n++]<<b,b+=8,c+=S[n++]<<b,b+=8),k=m[c&g];t:for(;;){if(c>>>=_=k>>>24,b-=_,0===(_=k>>>16&255))T[a++]=65535&k;else{if(!(16&_)){if(0==(64&_)){k=m[(65535&k)+(c&(1<<_)-1)];continue t}if(32&_){i.mode=12;break e}e.msg="invalid literal/length code",i.mode=30;break e}p=65535&k,(_&=15)&&(b<_&&(c+=S[n++]<<b,b+=8),p+=c&(1<<_)-1,c>>>=_,b-=_),b<15&&(c+=S[n++]<<b,b+=8,c+=S[n++]<<b,b+=8),k=w[c&v];i:for(;;){if(c>>>=_=k>>>24,b-=_,!(16&(_=k>>>16&255))){if(0==(64&_)){k=w[(65535&k)+(c&(1<<_)-1)];continue i}e.msg="invalid distance code",i.mode=30;break e}if(y=65535&k,b<(_&=15)&&(c+=S[n++]<<b,(b+=8)<_&&(c+=S[n++]<<b,b+=8)),f<(y+=c&(1<<_)-1)){e.msg="invalid distance too far back",i.mode=30;break e}if(c>>>=_,b-=_,(_=a-o)<y){if(u<(_=y-_)&&i.sane){e.msg="invalid distance too far back",i.mode=30;break e}if(E=h,(x=0)===d){if(x+=l-_,_<p){for(p-=_;T[a++]=h[x++],--_;);x=a-y,E=T}}else if(d<_){if(x+=l+d-_,(_-=d)<p){for(p-=_;T[a++]=h[x++],--_;);if(x=0,d<p){for(p-=_=d;T[a++]=h[x++],--_;);x=a-y,E=T}}}else 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a(){this.mode=0,this.last=!1,this.wrap=0,this.havedict=!1,this.flags=0,this.dmax=0,this.check=0,this.total=0,this.head=null,this.wbits=0,this.wsize=0,this.whave=0,this.wnext=0,this.window=null,this.hold=0,this.bits=0,this.length=0,this.offset=0,this.extra=0,this.lencode=null,this.distcode=null,this.lenbits=0,this.distbits=0,this.ncode=0,this.nlen=0,this.ndist=0,this.have=0,this.next=null,this.lens=new B.Buf16(320),this.work=new B.Buf16(288),this.lendyn=null,this.distdyn=null,this.sane=0,this.back=0,this.was=0}function o(e){var t;return e&&e.state?(t=e.state,e.total_in=e.total_out=t.total=0,e.msg="",t.wrap&&(e.adler=1&t.wrap),t.mode=F,t.last=0,t.havedict=0,t.dmax=32768,t.head=null,t.hold=0,t.bits=0,t.lencode=t.lendyn=new B.Buf32(n),t.distcode=t.distdyn=new B.Buf32(r),t.sane=1,t.back=-1,z):C}function s(e){var t;return e&&e.state?((t=e.state).wsize=0,t.whave=0,t.wnext=0,o(e)):C}function f(e,t){var i,n;return 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e;s--,l+=n[a++]<<u,u+=8}i.head&&(i.head.time=l),512&i.flags&&(R[0]=255&l,R[1]=l>>>8&255,R[2]=l>>>16&255,R[3]=l>>>24&255,i.check=Z(i.check,R,4,0)),u=l=0,i.mode=4;case 4:for(;u<16;){if(0===s)break e;s--,l+=n[a++]<<u,u+=8}i.head&&(i.head.xflags=255&l,i.head.os=l>>8),512&i.flags&&(R[0]=255&l,R[1]=l>>>8&255,i.check=Z(i.check,R,2,0)),u=l=0,i.mode=5;case 5:if(1024&i.flags){for(;u<16;){if(0===s)break e;s--,l+=n[a++]<<u,u+=8}i.length=l,i.head&&(i.head.extra_len=l),512&i.flags&&(R[0]=255&l,R[1]=l>>>8&255,i.check=Z(i.check,R,2,0)),u=l=0}else i.head&&(i.head.extra=null);i.mode=6;case 6:if(1024&i.flags&&(c=i.length,s<c&&(c=s),c&&(i.head&&(y=i.head.extra_len-i.length,i.head.extra||(i.head.extra=new Array(i.head.extra_len)),B.arraySet(i.head.extra,n,a,c,y)),512&i.flags&&(i.check=Z(i.check,n,c,a)),s-=c,a+=c,i.length-=c),i.length))break e;i.length=0,i.mode=7;case 7:if(2048&i.flags){if(0===s)break e;for(c=0;y=n[a+c++],i.head&&y&&i.length<65536&&(i.head.name+=String.fromCharCode(y)),y&&c<s;);if(512&i.flags&&(i.check=Z(i.check,n,c,a)),s-=c,a+=c,y)break e}else i.head&&(i.head.name=null);i.length=0,i.mode=8;case 8:if(4096&i.flags){if(0===s)break e;for(c=0;y=n[a+c++],i.head&&y&&i.length<65536&&(i.head.comment+=String.fromCharCode(y)),y&&c<s;);if(512&i.flags&&(i.check=Z(i.check,n,c,a)),s-=c,a+=c,y)break e}else i.head&&(i.head.comment=null);i.mode=9;case 9:if(512&i.flags){for(;u<16;){if(0===s)break e;s--,l+=n[a++]<<u,u+=8}if(l!==(65535&i.check)){e.msg="header crc mismatch",i.mode=30;break}u=l=0}i.head&&(i.head.hcrc=i.flags>>9&1,i.head.done=!0),e.adler=i.check=0,i.mode=12;break;case 10:for(;u<32;){if(0===s)break e;s--,l+=n[a++]<<u,u+=8}e.adler=i.check=L(l),u=l=0,i.mode=11;case 11:if(0===i.havedict)return e.next_out=o,e.avail_out=f,e.next_in=a,e.avail_in=s,i.hold=l,i.bits=u,2;e.adler=i.check=1,i.mode=12;case 12:if(5===t||6===t)break e;case 13:if(i.last){l>>>=7&u,u-=7&u,i.mode=27;break}for(;u<3;){if(0===s)break e;s--,l+=n[a++]<<u,u+=8}switch(i.last=1&l,--u,3&(l>>>=1)){case 0:i.mode=14;break;case 1:if(H(i),i.mode=20,6!==t)break;l>>>=2,u-=2;break e;case 2:i.mode=17;break;case 3:e.msg="invalid block type",i.mode=30}l>>>=2,u-=2;break;case 14:for(l>>>=7&u,u-=7&u;u<32;){if(0===s)break e;s--,l+=n[a++]<<u,u+=8}if((65535&l)!=(l>>>16^65535)){e.msg="invalid stored block lengths",i.mode=30;break}if(i.length=65535&l,u=l=0,i.mode=15,6===t)break e;case 15:i.mode=16;case 16:if(c=i.length){if(s<c&&(c=s),f<c&&(c=f),0===c)break e;B.arraySet(r,n,a,c,o),s-=c,a+=c,f-=c,o+=c,i.length-=c;break}i.mode=12;break;case 17:for(;u<14;){if(0===s)break e;s--,l+=n[a++]<<u,u+=8}if(i.nlen=257+(31&l),l>>>=5,u-=5,i.ndist=1+(31&l),l>>>=5,u-=5,i.ncode=4+(15&l),l>>>=4,u-=4,286<i.nlen||30<i.ndist){e.msg="too many length or distance symbols",i.mode=30;break}i.have=0,i.mode=18;case 18:for(;i.have<i.ncode;){for(;u<3;){if(0===s)break e;s--,l+=n[a++]<<u,u+=8}i.lens[A[i.have++]]=7&l,l>>>=3,u-=3}for(;i.have<19;)i.lens[A[i.have++]]=0;if(i.lencode=i.lendyn,i.lenbits=7,E={bits:i.lenbits},x=D(0,i.lens,0,19,i.lencode,0,i.work,E),i.lenbits=E.bits,x){e.msg="invalid code lengths set",i.mode=30;break}i.have=0,i.mode=19;case 19:for(;i.have<i.nlen+i.ndist;){for(;T=i.lencode[l&(1<<i.lenbits)-1],g=T>>>16&255,v=65535&T,!((w=T>>>24)<=u);){if(0===s)break e;s--,l+=n[a++]<<u,u+=8}if(v<16)l>>>=w,u-=w,i.lens[i.have++]=v;else{if(16===v){for(S=w+2;u<S;){if(0===s)break e;s--,l+=n[a++]<<u,u+=8}if(l>>>=w,u-=w,0===i.have){e.msg="invalid bit length repeat",i.mode=30;break}y=i.lens[i.have-1],c=3+(3&l),l>>>=2,u-=2}else if(17===v){for(S=w+3;u<S;){if(0===s)break e;s--,l+=n[a++]<<u,u+=8}u-=w,y=0,c=3+(7&(l>>>=w)),l>>>=3,u-=3}else{for(S=w+7;u<S;){if(0===s)break e;s--,l+=n[a++]<<u,u+=8}u-=w,y=0,c=11+(127&(l>>>=w)),l>>>=7,u-=7}if(i.have+c>i.nlen+i.ndist){e.msg="invalid bit length repeat",i.mode=30;break}for(;c--;)i.lens[i.have++]=y}}if(30===i.mode)break;if(0===i.lens[256]){e.msg="invalid code -- missing end-of-block",i.mode=30;break}if(i.lenbits=9,E={bits:i.lenbits},x=D(N,i.lens,0,i.nlen,i.lencode,0,i.work,E),i.lenbits=E.bits,x){e.msg="invalid literal/lengths set",i.mode=30;break}if(i.distbits=6,i.distcode=i.distdyn,E={bits:i.distbits},x=D(O,i.lens,i.nlen,i.ndist,i.distcode,0,i.work,E),i.distbits=E.bits,x){e.msg="invalid distances set",i.mode=30;break}if(i.mode=20,6===t)break e;case 20:i.mode=21;case 21:if(6<=s&&258<=f){e.next_out=o,e.avail_out=f,e.next_in=a,e.avail_in=s,i.hold=l,i.bits=u,I(e,h),o=e.next_out,r=e.output,f=e.avail_out,a=e.next_in,n=e.input,s=e.avail_in,l=i.hold,u=i.bits,12===i.mode&&(i.back=-1);break}for(i.back=0;T=i.lencode[l&(1<<i.lenbits)-1],g=T>>>16&255,v=65535&T,!((w=T>>>24)<=u);){if(0===s)break e;s--,l+=n[a++]<<u,u+=8}if(g&&0==(240&g)){for(k=w,_=g,p=v;T=i.lencode[p+((l&(1<<k+_)-1)>>k)],g=T>>>16&255,v=65535&T,!(k+(w=T>>>24)<=u);){if(0===s)break e;s--,l+=n[a++]<<u,u+=8}l>>>=k,u-=k,i.back+=k}if(l>>>=w,u-=w,i.back+=w,i.length=v,0===g){i.mode=26;break}if(32&g){i.back=-1,i.mode=12;break}if(64&g){e.msg="invalid literal/length code",i.mode=30;break}i.extra=15&g,i.mode=22;case 22:if(i.extra){for(S=i.extra;u<S;){if(0===s)break e;s--,l+=n[a++]<<u,u+=8}i.length+=l&(1<<i.extra)-1,l>>>=i.extra,u-=i.extra,i.back+=i.extra}i.was=i.length,i.mode=23;case 23:for(;T=i.distcode[l&(1<<i.distbits)-1],g=T>>>16&255,v=65535&T,!((w=T>>>24)<=u);){if(0===s)break e;s--,l+=n[a++]<<u,u+=8}if(0==(240&g)){for(k=w,_=g,p=v;T=i.distcode[p+((l&(1<<k+_)-1)>>k)],g=T>>>16&255,v=65535&T,!(k+(w=T>>>24)<=u);){if(0===s)break e;s--,l+=n[a++]<<u,u+=8}l>>>=k,u-=k,i.back+=k}if(l>>>=w,u-=w,i.back+=w,64&g){e.msg="invalid distance code",i.mode=30;break}i.offset=v,i.extra=15&g,i.mode=24;case 24:if(i.extra){for(S=i.extra;u<S;){if(0===s)break e;s--,l+=n[a++]<<u,u+=8}i.offset+=l&(1<<i.extra)-1,l>>>=i.extra,u-=i.extra,i.back+=i.extra}if(i.offset>i.dmax){e.msg="invalid distance too far back",i.mode=30;break}i.mode=25;case 25:if(0===f)break e;if(c=h-f,i.offset>c){if((c=i.offset-c)>i.whave&&i.sane){e.msg="invalid distance too far back",i.mode=30;break}b=c>i.wnext?(c-=i.wnext,i.wsize-c):i.wnext-c,c>i.length&&(c=i.length),m=i.window}else m=r,b=o-i.offset,c=i.length;for(f<c&&(c=f),f-=c,i.length-=c;r[o++]=m[b++],--c;);0===i.length&&(i.mode=21);break;case 26:if(0===f)break e;r[o++]=i.length,f--,i.mode=21;break;case 27:if(i.wrap){for(;u<32;){if(0===s)break e;s--,l|=n[a++]<<u,u+=8}if(h-=f,e.total_out+=h,i.total+=h,h&&(e.adler=i.check=(i.flags?Z:U)(i.check,r,h,o-h)),h=f,(i.flags?l:L(l))!==i.check){e.msg="incorrect data check",i.mode=30;break}u=l=0}i.mode=28;case 28:if(i.wrap&&i.flags){for(;u<32;){if(0===s)break e;s--,l+=n[a++]<<u,u+=8}if(l!==(4294967295&i.total)){e.msg="incorrect length check",i.mode=30;break}u=l=0}i.mode=29;case 29:x=1;break e;case 30:x=-3;break e;case 31:return-4;case 32:default:return C}e.next_out=o,e.avail_out=f,e.next_in=a,e.avail_in=s,i.hold=l,i.bits=u,(i.wsize||h!==e.avail_out&&i.mode<30&&(i.mode<27||4!==t))&&P(e,e.output,e.next_out,h-e.avail_out);d-=e.avail_in,h-=e.avail_out,e.total_in+=d,e.total_out+=h,i.total+=h,i.wrap&&h&&(e.adler=i.check=(i.flags?Z:U)(i.check,r,h,e.next_out-h));e.data_type=i.bits+(i.last?64:0)+(12===i.mode?128:0)+(20===i.mode||15===i.mode?256:0),(0==d&&0===h||4===t)&&x===z&&(x=-5);return x},i.inflateEnd=function(e){if(!e||!e.state)return C;var t=e.state;t.window&&(t.window=null);return e.state=null,z},i.inflateGetHeader=function(e,t){var i;return e&&e.state&&0!=(2&(i=e.state).wrap)?((i.head=t).done=!1,z):C},i.inflateSetDictionary=function(e,t){var i,n=t.length;if(!e||!e.state)return C;if(0!==(i=e.state).wrap&&11!==i.mode)return C;if(11===i.mode&&U(1,t,n,0)!==i.check)return-3;if(P(e,t,n,n))return i.mode=31,-4;return i.havedict=1,z},i.inflateInfo="pako inflate (from Nodeca project)"},{"../utils/common":1,"./adler32":3,"./crc32":5,"./inffast":7,"./inftrees":9}],9:[function(e,t,i){var N=e("../utils/common"),O=[3,4,5,6,7,8,9,10,11,13,15,17,19,23,27,31,35,43,51,59,67,83,99,115,131,163,195,227,258,0,0],z=[16,16,16,16,16,16,16,16,17,17,17,17,18,18,18,18,19,19,19,19,20,20,20,20,21,21,21,21,16,72,78],C=[1,2,3,4,5,7,9,13,17,25,33,49,65,97,129,193,257,385,513,769,1025,1537,2049,3073,4097,6145,8193,12289,16385,24577,0,0],F=[16,16,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23,24,24,25,25,26,26,27,27,28,28,29,29,64,64];t.exports=function(e,t,i,n,r,a,o,s){var f,l,u,d,h,c,b,m,w,g=s.bits,v=0,k=0,_=0,p=0,y=0,x=0,E=0,S=0,T=0,R=0,A=null,B=0,U=new N.Buf16(16),Z=new N.Buf16(16),I=null,D=0;for(v=0;v<=15;v++)U[v]=0;for(k=0;k<n;k++)U[t[i+k]]++;for(y=g,p=15;1<=p&&0===U[p];p--);if(p<y&&(y=p),0===p)return r[a++]=20971520,r[a++]=20971520,s.bits=1,0;for(_=1;_<p&&0===U[_];_++);for(y<_&&(y=_),v=S=1;v<=15;v++)if(S<<=1,(S-=U[v])<0)return-1;if(0<S&&(0===e||1!==p))return-1;for(Z[1]=0,v=1;v<15;v++)Z[v+1]=Z[v]+U[v];for(k=0;k<n;k++)0!==t[i+k]&&(o[Z[t[i+k]]++]=k);if(c=0===e?(A=I=o,19):1===e?(A=O,B-=257,I=z,D-=257,256):(A=C,I=F,-1),v=_,h=a,E=k=R=0,u=-1,d=(T=1<<(x=y))-1,1===e&&852<T||2===e&&592<T)return 1;for(;;){for(b=v-E,w=o[k]<c?(m=0,o[k]):o[k]>c?(m=I[D+o[k]],A[B+o[k]]):(m=96,0),f=1<<v-E,_=l=1<<x;r[h+(R>>E)+(l-=f)]=b<<24|m<<16|w|0,0!==l;);for(f=1<<v-1;R&f;)f>>=1;if(0!==f?(R&=f-1,R+=f):R=0,k++,0==--U[v]){if(v===p)break;v=t[i+o[k]]}if(y<v&&(R&d)!==u){for(0===E&&(E=y),h+=_,S=1<<(x=v-E);x+E<p&&!((S-=U[x+E])<=0);)x++,S<<=1;if(T+=1<<x,1===e&&852<T||2===e&&592<T)return 1;r[u=R&d]=y<<24|x<<16|h-a|0}}return 0!==R&&(r[h+R]=v-E<<24|64<<16|0),s.bits=y,0}},{"../utils/common":1}],10:[function(e,t,i){t.exports={2:"need dictionary",1:"stream end",0:"","-1":"file error","-2":"stream error","-3":"data error","-4":"insufficient memory","-5":"buffer error","-6":"incompatible version"}},{}],11:[function(e,t,i){t.exports=function(){this.input=null,this.next_in=0,this.avail_in=0,this.total_in=0,this.output=null,this.next_out=0,this.avail_out=0,this.total_out=0,this.msg="",this.state=null,this.data_type=2,this.adler=0}},{}],"/lib/inflate.js":[function(e,t,i){var h=e("./zlib/inflate"),c=e("./utils/common"),b=e("./utils/strings"),m=e("./zlib/constants"),n=e("./zlib/messages"),r=e("./zlib/zstream"),a=e("./zlib/gzheader"),w=Object.prototype.toString;function o(e){if(!(this instanceof o))return new o(e);this.options=c.assign({chunkSize:16384,windowBits:0,to:""},e||{});var t=this.options;t.raw&&0<=t.windowBits&&t.windowBits<16&&(t.windowBits=-t.windowBits,0===t.windowBits&&(t.windowBits=-15)),!(0<=t.windowBits&&t.windowBits<16)||e&&e.windowBits||(t.windowBits+=32),15<t.windowBits&&t.windowBits<48&&0==(15&t.windowBits)&&(t.windowBits|=15),this.err=0,this.msg="",this.ended=!1,this.chunks=[],this.strm=new r,this.strm.avail_out=0;var i=h.inflateInit2(this.strm,t.windowBits);if(i!==m.Z_OK)throw new Error(n[i]);this.header=new a,h.inflateGetHeader(this.strm,this.header)}function s(e,t){var i=new o(t);if(i.push(e,!0),i.err)throw i.msg||n[i.err];return i.result}o.prototype.push=function(e,t){var i,n,r,a,o,s,f=this.strm,l=this.options.chunkSize,u=this.options.dictionary,d=!1;if(this.ended)return!1;n=t===~~t?t:!0===t?m.Z_FINISH:m.Z_NO_FLUSH,"string"==typeof e?f.input=b.binstring2buf(e):"[object ArrayBuffer]"===w.call(e)?f.input=new Uint8Array(e):f.input=e,f.next_in=0,f.avail_in=f.input.length;do{if(0===f.avail_out&&(f.output=new c.Buf8(l),f.next_out=0,f.avail_out=l),(i=h.inflate(f,m.Z_NO_FLUSH))===m.Z_NEED_DICT&&u&&(s="string"==typeof u?b.string2buf(u):"[object ArrayBuffer]"===w.call(u)?new Uint8Array(u):u,i=h.inflateSetDictionary(this.strm,s)),i===m.Z_BUF_ERROR&&!0===d&&(i=m.Z_OK,d=!1),i!==m.Z_STREAM_END&&i!==m.Z_OK)return this.onEnd(i),!(this.ended=!0);f.next_out&&(0!==f.avail_out&&i!==m.Z_STREAM_END&&(0!==f.avail_in||n!==m.Z_FINISH&&n!==m.Z_SYNC_FLUSH)||("string"===this.options.to?(r=b.utf8border(f.output,f.next_out),a=f.next_out-r,o=b.buf2string(f.output,r),f.next_out=a,f.avail_out=l-a,a&&c.arraySet(f.output,f.output,r,a,0),this.onData(o)):this.onData(c.shrinkBuf(f.output,f.next_out)))),0===f.avail_in&&0===f.avail_out&&(d=!0)}while((0<f.avail_in||0===f.avail_out)&&i!==m.Z_STREAM_END);return i===m.Z_STREAM_END&&(n=m.Z_FINISH),n===m.Z_FINISH?(i=h.inflateEnd(this.strm),this.onEnd(i),this.ended=!0,i===m.Z_OK):n!==m.Z_SYNC_FLUSH||(this.onEnd(m.Z_OK),!(f.avail_out=0))},o.prototype.onData=function(e){this.chunks.push(e)},o.prototype.onEnd=function(e){e===m.Z_OK&&("string"===this.options.to?this.result=this.chunks.join(""):this.result=c.flattenChunks(this.chunks)),this.chunks=[],this.err=e,this.msg=this.strm.msg},i.Inflate=o,i.inflate=s,i.inflateRaw=function(e,t){return(t=t||{}).raw=!0,s(e,t)},i.ungzip=s},{"./utils/common":1,"./utils/strings":2,"./zlib/constants":4,"./zlib/gzheader":6,"./zlib/inflate":8,"./zlib/messages":10,"./zlib/zstream":11}]},{},[])("/lib/inflate.js"),R=Uint16Array.BYTES_PER_ELEMENT,A=Int32Array.BYTES_PER_ELEMENT,B=Uint32Array.BYTES_PER_ELEMENT,o={METADATA:0,TERRAIN:1,DBROOT:2};o.fromString=function(e){return"Metadata"===e?o.METADATA:"Terrain"===e?o.TERRAIN:"DbRoot"===e?o.DBROOT:void 0};var U=32301;var f=1953029805,l=2917034100;return t(function(e,t){var i=o.fromString(e.type),n=e.buffer;b(e.key,n);var r=function(e){var t=new DataView(e),i=0,n=t.getUint32(i,!0);if(i+=B,n!==f&&n!==l)throw new S.RuntimeError("Invalid magic");var r=t.getUint32(i,n===f);i+=B;var a=new Uint8Array(e,i),o=s.inflate(a);if(o.length===r)return o;throw new S.RuntimeError("Size of packet doesn't match header")}(n);n=r.buffer;var a=r.length;switch(i){case o.METADATA:return function(e,t,i){var n=new DataView(e),r=0,a=n.getUint32(r,!0);if(r+=B,a!==U)throw new S.RuntimeError("Invalid magic");var o=n.getUint32(r,!0);if(r+=B,1!==o)throw new S.RuntimeError("Invalid data type. Must be 1 for QuadTreePacket");var s=n.getUint32(r,!0);if(r+=B,2!==s)throw new S.RuntimeError("Invalid QuadTreePacket version. Only version 2 is supported.");var f=n.getInt32(r,!0);r+=A;var l=n.getInt32(r,!0);if(r+=A,32!==l)throw new S.RuntimeError("Invalid instance size.");var u=n.getInt32(r,!0);r+=A;var d=n.getInt32(r,!0);r+=A;var h=n.getInt32(r,!0);if(u!==f*l+(r+=A))throw new S.RuntimeError("Invalid dataBufferOffset");if(u+d+h!==t)throw new S.RuntimeError("Invalid packet offsets");for(var c=[],b=0;b<f;++b){var m=n.getUint8(r);++r,++r;var w=n.getUint16(r,!0);r+=R;var g=n.getUint16(r,!0);r+=R;var v=n.getUint16(r,!0);r+=R,r+=R,r+=R,r+=A,r+=A,r+=8;var k=n.getUint8(r++),_=n.getUint8(r++);r+=R,c.push(new T(m,w,g,v,k,_))}var p=[],y=0;var x=0,E=c[y++];""===i?++x:p[i]=E;return function e(t,i,n){var r=!1;if(4===n){if(i.hasSubtree())return;r=!0}for(var a=0;a<4;++a){var o=t+a.toString();if(r)p[o]=null;else if(n<4)if(i.hasChild(a)){if(y===f)return void console.log("Incorrect number of instances");var s=c[y++];p[o]=s,e(o,s,n+1)}else p[o]=null}}(i,E,x),p}(n,a,e.quadKey);case o.TERRAIN:return function(e,t,i){var n=new DataView(e),r=0,a=[];for(;r<t;){for(var o=r,s=0;s<4;++s){var f=n.getUint32(r,!0);r+=B,r+=f}var l=e.slice(o,r);i.push(l),a.push(l)}return a}(n,a,t);case o.DBROOT:return t.push(n),{buffer:n}}})});
