define(["./AttributeCompression-3961575e","./Transforms-b51fdb37","./Rectangle-82621db8","./when-54335d57","./TerrainEncoding-fd160782","./IndexDatatype-edb2f4d6","./Check-24483042","./Math-7a8129d6","./OrientedBoundingBox-108c8b47","./createTaskProcessorWorker","./RuntimeError-88a32665","./PixelFormat-d198afce","./WebGLConstants-95ceb4e9","./ComponentDatatype-1a100acd","./EllipsoidTangentPlane-3e9e5847","./IntersectionTests-afc06c64","./Plane-fd9e13db"],function(s,ce,ge,w,me,xe,e,ve,we,t,i,n,r,h,u,o,a){"use strict";var Ce={clipTriangleAtAxisAlignedThreshold:function(e,t,i,n,s,r){var h,u,o;w.defined(r)?r.length=0:r=[],o=t?(h=i<e,u=n<e,s<e):(h=e<i,u=e<n,e<s);var a,d,p,f,l,c,g=h+u+o;return 1===g?h?(a=(e-i)/(n-i),d=(e-i)/(s-i),r.push(1),r.push(2),1!==d&&(r.push(-1),r.push(0),r.push(2),r.push(d)),1!==a&&(r.push(-1),r.push(0),r.push(1),r.push(a))):u?(p=(e-n)/(s-n),f=(e-n)/(i-n),r.push(2),r.push(0),1!==f&&(r.push(-1),r.push(1),r.push(0),r.push(f)),1!==p&&(r.push(-1),r.push(1),r.push(2),r.push(p))):o&&(l=(e-s)/(i-s),c=(e-s)/(n-s),r.push(0),r.push(1),1!==c&&(r.push(-1),r.push(2),r.push(1),r.push(c)),1!==l&&(r.push(-1),r.push(2),r.push(0),r.push(l))):2===g?h||i===e?u||n===e?o||s===e||(d=(e-i)/(s-i),p=(e-n)/(s-n),r.push(2),r.push(-1),r.push(0),r.push(2),r.push(d),r.push(-1),r.push(1),r.push(2),r.push(p)):(c=(e-s)/(n-s),a=(e-i)/(n-i),r.push(1),r.push(-1),r.push(2),r.push(1),r.push(c),r.push(-1),r.push(0),r.push(1),r.push(a)):(f=(e-n)/(i-n),l=(e-s)/(i-s),r.push(0),r.push(-1),r.push(1),r.push(0),r.push(f),r.push(-1),r.push(2),r.push(0),r.push(l)):3!==g&&(r.push(0),r.push(1),r.push(2)),r},computeBarycentricCoordinates:function(e,t,i,n,s,r,h,u,o){var a=i-h,d=h-s,p=r-u,f=n-u,l=1/(p*a+d*f),c=t-u,g=e-h,m=(p*g+d*c)*l,x=(-f*g+a*c)*l,v=1-m-x;return w.defined(o)?(o.x=m,o.y=x,o.z=v,o):new ge.Cartesian3(m,x,v)},computeLineSegmentLineSegmentIntersection:function(e,t,i,n,s,r,h,u,o){var a=(u-r)*(i-e)-(h-s)*(n-t);if(0!==a){var d=((h-s)*(t-r)-(u-r)*(e-s))/a,p=((i-e)*(t-r)-(n-t)*(e-s))/a;return 0<=d&&d<=1&&0<=p&&p<=1?(w.defined(o)||(o=new ge.Cartesian2),o.x=e+d*(i-e),o.y=t+d*(n-t),o):void 0}}},ye=32767,Be=16383,Ie=[],Ae=[],be=[],Te=new ge.Cartographic,ze=new ge.Cartesian3,Me=[],Ne=[],Ve=[],Ee=[],Re=[],He=new ge.Cartesian3,Oe=new ce.BoundingSphere,Fe=new we.OrientedBoundingBox,Pe=new ge.Cartesian2,Se=new ge.Cartesian3;function Ue(){this.vertexBuffer=void 0,this.index=void 0,this.first=void 0,this.second=void 0,this.ratio=void 0}Ue.prototype.clone=function(e){return w.defined(e)||(e=new Ue),e.uBuffer=this.uBuffer,e.vBuffer=this.vBuffer,e.heightBuffer=this.heightBuffer,e.normalBuffer=this.normalBuffer,e.index=this.index,e.first=this.first,e.second=this.second,e.ratio=this.ratio,e},Ue.prototype.initializeIndexed=function(e,t,i,n,s){this.uBuffer=e,this.vBuffer=t,this.heightBuffer=i,this.normalBuffer=n,this.index=s,this.first=void 0,this.second=void 0,this.ratio=void 0},Ue.prototype.initializeFromClipResult=function(e,t,i){var n=t+1;return-1!==e[t]?i[e[t]].clone(this):(this.vertexBuffer=void 0,this.index=void 0,this.first=i[e[n]],++n,this.second=i[e[n]],++n,this.ratio=e[n],++n),n},Ue.prototype.getKey=function(){return this.isIndexed()?this.index:JSON.stringify({first:this.first.getKey(),second:this.second.getKey(),ratio:this.ratio})},Ue.prototype.isIndexed=function(){return w.defined(this.index)},Ue.prototype.getH=function(){return w.defined(this.index)?this.heightBuffer[this.index]:ve.CesiumMath.lerp(this.first.getH(),this.second.getH(),this.ratio)},Ue.prototype.getU=function(){return w.defined(this.index)?this.uBuffer[this.index]:ve.CesiumMath.lerp(this.first.getU(),this.second.getU(),this.ratio)},Ue.prototype.getV=function(){return w.defined(this.index)?this.vBuffer[this.index]:ve.CesiumMath.lerp(this.first.getV(),this.second.getV(),this.ratio)};var d=new ge.Cartesian2,p=-1,f=[new ge.Cartesian3,new ge.Cartesian3],l=[new ge.Cartesian3,new ge.Cartesian3];function c(e,t){var i=f[++p],n=l[p];return i=s.AttributeCompression.octDecode(e.first.getNormalX(),e.first.getNormalY(),i),n=s.AttributeCompression.octDecode(e.second.getNormalX(),e.second.getNormalY(),n),ze=ge.Cartesian3.lerp(i,n,e.ratio,ze),ge.Cartesian3.normalize(ze,ze),s.AttributeCompression.octEncode(ze,t),--p,t}Ue.prototype.getNormalX=function(){return w.defined(this.index)?this.normalBuffer[2*this.index]:(d=c(this,d)).x},Ue.prototype.getNormalY=function(){return w.defined(this.index)?this.normalBuffer[2*this.index+1]:(d=c(this,d)).y};var g=[];function ke(e,t,i,n,s,r,h,u,o){if(0!==h.length){for(var a=0,d=0;d<h.length;)d=g[a++].initializeFromClipResult(h,d,u);for(var p=0;p<a;++p){var f=g[p];if(f.isIndexed())f.newIndex=r[f.index],f.uBuffer=e,f.vBuffer=t,f.heightBuffer=i,o&&(f.normalBuffer=n);else{var l=f.getKey();if(w.defined(r[l]))f.newIndex=r[l];else{var c=e.length;e.push(f.getU()),t.push(f.getV()),i.push(f.getH()),o&&(n.push(f.getNormalX()),n.push(f.getNormalY())),f.newIndex=c,r[l]=c}}}3===a?(s.push(g[0].newIndex),s.push(g[1].newIndex),s.push(g[2].newIndex)):4===a&&(s.push(g[0].newIndex),s.push(g[1].newIndex),s.push(g[2].newIndex),s.push(g[0].newIndex),s.push(g[2].newIndex),s.push(g[3].newIndex))}}return g.push(new Ue),g.push(new Ue),g.push(new Ue),g.push(new Ue),t(function(e,t){var i=e.isEastChild,n=e.isNorthChild,s=i?Be:0,r=i?ye:Be,h=n?Be:0,u=n?ye:Be,o=Me,a=Ne,d=Ve,p=Re;o.length=0,a.length=0,d.length=0,p.length=0;var f=Ee;f.length=0;var l={},c=e.vertices,g=e.indices;g=g.subarray(0,e.indexCountWithoutSkirts);var m,x,v,w,C,y=me.TerrainEncoding.clone(e.encoding),B=y.hasVertexNormals,I=e.exaggeration,A=0,b=e.vertexCountWithoutSkirts,T=e.minimumHeight,z=e.maximumHeight,M=new Array(b),N=new Array(b),V=new Array(b),E=B?new Array(2*b):void 0;for(v=x=0;x<b;++x,v+=2){var R=y.decodeTextureCoordinates(c,x,Pe);if(m=y.decodeHeight(c,x)/I,w=ve.CesiumMath.clamp(R.x*ye|0,0,ye),C=ve.CesiumMath.clamp(R.y*ye|0,0,ye),V[x]=ve.CesiumMath.clamp((m-T)/(z-T)*ye|0,0,ye),w<20&&(w=0),C<20&&(C=0),ye-w<20&&(w=ye),ye-C<20&&(C=ye),M[x]=w,N[x]=C,B){var H=y.getOctEncodedNormal(c,x,Se);E[v]=H.x,E[v+1]=H.y}(i&&Be<=w||!i&&w<=Be)&&(n&&Be<=C||!n&&C<=Be)&&(l[x]=A,o.push(w),a.push(C),d.push(V[x]),B&&(p.push(E[v]),p.push(E[v+1])),++A)}var O=[];O.push(new Ue),O.push(new Ue),O.push(new Ue);var F,P=[];for(P.push(new Ue),P.push(new Ue),P.push(new Ue),x=0;x<g.length;x+=3){var S=g[x],U=g[x+1],k=g[x+2],D=M[S],W=M[U],X=M[k];O[0].initializeIndexed(M,N,V,E,S),O[1].initializeIndexed(M,N,V,E,U),O[2].initializeIndexed(M,N,V,E,k);var K=Ce.clipTriangleAtAxisAlignedThreshold(Be,i,D,W,X,Ie);(F=0)>=K.length||(F=P[0].initializeFromClipResult(K,F,O))>=K.length||(F=P[1].initializeFromClipResult(K,F,O))>=K.length||(F=P[2].initializeFromClipResult(K,F,O),ke(o,a,d,p,f,l,Ce.clipTriangleAtAxisAlignedThreshold(Be,n,P[0].getV(),P[1].getV(),P[2].getV(),Ae),P,B),F<K.length&&(P[2].clone(P[1]),P[2].initializeFromClipResult(K,F,O),ke(o,a,d,p,f,l,Ce.clipTriangleAtAxisAlignedThreshold(Be,n,P[0].getV(),P[1].getV(),P[2].getV(),Ae),P,B)))}var L=i?-ye:0,Y=n?-ye:0,_=[],G=[],J=[],Z=[],j=Number.MAX_VALUE,q=-j,Q=be;Q.length=0;var $=ge.Ellipsoid.clone(e.ellipsoid),ee=ge.Rectangle.clone(e.childRectangle),te=ee.north,ie=ee.south,ne=ee.east,se=ee.west;for(ne<se&&(ne+=ve.CesiumMath.TWO_PI),x=0;x<o.length;++x)w=(w=Math.round(o[x]))<=s?(_.push(x),0):r<=w?(J.push(x),ye):2*w+L,o[x]=w,C=(C=Math.round(a[x]))<=h?(G.push(x),0):u<=C?(Z.push(x),ye):2*C+Y,a[x]=C,(m=ve.CesiumMath.lerp(T,z,d[x]/ye))<j&&(j=m),q<m&&(q=m),d[x]=m,Te.longitude=ve.CesiumMath.lerp(se,ne,w/ye),Te.latitude=ve.CesiumMath.lerp(ie,te,C/ye),Te.height=m,$.cartographicToCartesian(Te,ze),Q.push(ze.x),Q.push(ze.y),Q.push(ze.z);var re=ce.BoundingSphere.fromVertices(Q,ge.Cartesian3.ZERO,3,Oe),he=we.OrientedBoundingBox.fromRectangle(ee,j,q,$,Fe),ue=new me.EllipsoidalOccluder($).computeHorizonCullingPointFromVerticesPossiblyUnderEllipsoid(re.center,Q,3,re.center,j,He),oe=q-j,ae=new Uint16Array(o.length+a.length+d.length);for(x=0;x<o.length;++x)ae[x]=o[x];var de=o.length;for(x=0;x<a.length;++x)ae[de+x]=a[x];for(de+=a.length,x=0;x<d.length;++x)ae[de+x]=ye*(d[x]-j)/oe;var pe,fe=xe.IndexDatatype.createTypedArray(o.length,f);if(B){var le=new Uint8Array(p);t.push(ae.buffer,fe.buffer,le.buffer),pe=le.buffer}else t.push(ae.buffer,fe.buffer);return{vertices:ae.buffer,encodedNormals:pe,indices:fe.buffer,minimumHeight:j,maximumHeight:q,westIndices:_,southIndices:G,eastIndices:J,northIndices:Z,boundingSphere:re,orientedBoundingBox:he,horizonOcclusionPoint:ue}})});