define(["./AxisAlignedBoundingBox-04c1a5e3","./Matrix2-7a8e9daf","./Matrix3-b2351961","./defaultValue-f6d5e6da","./TerrainEncoding-c5a10c4f","./IndexDatatype-a9b1bc18","./Math-355606c6","./Transforms-f17097e5","./WebMercatorProjection-db7467f4","./createTaskProcessorWorker","./RuntimeError-9b4ce3fb","./AttributeCompression-0b8f7b7d","./ComponentDatatype-ab629b88","./WebGLConstants-7f557f93","./combine-0c102d93"],(function(e,t,r,n,o,i,a,s,c,d,h,u,l,I,g){"use strict";function m(){s.DeveloperError.throwInstantiationError()}Object.defineProperties(m.prototype,{errorEvent:{get:s.DeveloperError.throwInstantiationError},credit:{get:s.DeveloperError.throwInstantiationError},tilingScheme:{get:s.DeveloperError.throwInstantiationError},ready:{get:s.DeveloperError.throwInstantiationError},readyPromise:{get:s.DeveloperError.throwInstantiationError},hasWaterMask:{get:s.DeveloperError.throwInstantiationError},hasVertexNormals:{get:s.DeveloperError.throwInstantiationError},availability:{get:s.DeveloperError.throwInstantiationError}});const T=[];m.getRegularGridIndices=function(e,t){let r=T[e];n.defined(r)||(T[e]=r=[]);let o=r[t];return n.defined(o)||(o=e*t<a.CesiumMath.SIXTY_FOUR_KILOBYTES?r[t]=new Uint16Array((e-1)*(t-1)*6):r[t]=new Uint32Array((e-1)*(t-1)*6),y(e,t,o,0)),o};const E=[];m.getRegularGridIndicesAndEdgeIndices=function(e,t){let r=E[e];n.defined(r)||(E[e]=r=[]);let o=r[t];if(!n.defined(o)){const n=m.getRegularGridIndices(e,t),i=f(e,t),a=i.westIndicesSouthToNorth,s=i.southIndicesEastToWest,c=i.eastIndicesNorthToSouth,d=i.northIndicesWestToEast;o=r[t]={indices:n,westIndicesSouthToNorth:a,southIndicesEastToWest:s,eastIndicesNorthToSouth:c,northIndicesWestToEast:d}}return o};const p=[];function f(e,t){const r=new Array(t),n=new Array(e),o=new Array(t),i=new Array(e);let a;for(a=0;a<e;++a)i[a]=a,n[a]=e*t-1-a;for(a=0;a<t;++a)o[a]=(a+1)*e-1,r[a]=(t-a-1)*e;return{westIndicesSouthToNorth:r,southIndicesEastToWest:n,eastIndicesNorthToSouth:o,northIndicesWestToEast:i}}function y(e,t,r,n){let o=0;for(let i=0;i<t-1;++i){for(let t=0;t<e-1;++t){const t=o,i=t+e,a=i+1,s=t+1;r[n++]=t,r[n++]=i,r[n++]=s,r[n++]=s,r[n++]=i,r[n++]=a,++o}++o}}function N(e,t,r,n){let o=e[0];const i=e.length;for(let a=1;a<i;++a){const i=e[a];r[n++]=o,r[n++]=i,r[n++]=t,r[n++]=t,r[n++]=i,r[n++]=t+1,o=i,++t}return n}m.getRegularGridAndSkirtIndicesAndEdgeIndices=function(e,t){let r=p[e];n.defined(r)||(p[e]=r=[]);let o=r[t];if(!n.defined(o)){const n=e*t,a=(e-1)*(t-1)*6,s=2*e+2*t,c=n+s,d=a+6*Math.max(0,s-4),h=f(e,t),u=h.westIndicesSouthToNorth,l=h.southIndicesEastToWest,I=h.eastIndicesNorthToSouth,g=h.northIndicesWestToEast,T=i.IndexDatatype.createTypedArray(c,d);y(e,t,T,0),m.addSkirtIndices(u,l,I,g,n,T,a),o=r[t]={indices:T,westIndicesSouthToNorth:u,southIndicesEastToWest:l,eastIndicesNorthToSouth:I,northIndicesWestToEast:g,indexCountWithoutSkirts:a}}return o},m.addSkirtIndices=function(e,t,r,n,o,i,a){let s=o;a=N(e,s,i,a),s+=e.length,a=N(t,s,i,a),s+=t.length,a=N(r,s,i,a),s+=r.length,N(n,s,i,a)},m.heightmapTerrainQuality=.25,m.getEstimatedLevelZeroGeometricErrorForAHeightmap=function(e,t,r){return 2*e.maximumRadius*Math.PI*m.heightmapTerrainQuality/(t*r)},m.prototype.requestTileGeometry=s.DeveloperError.throwInstantiationError,m.prototype.getLevelMaximumGeometricError=s.DeveloperError.throwInstantiationError,m.prototype.getTileDataAvailable=s.DeveloperError.throwInstantiationError,m.prototype.loadTileDataAvailability=s.DeveloperError.throwInstantiationError;const w=32767,M=new r.Cartesian3,S=new r.Cartesian3,x=new r.Cartesian3,A=new r.Cartographic,C=new t.Cartesian2;function b(e,n,o,i,s,c,d,h,u){let l=Number.POSITIVE_INFINITY;const I=s.north,g=s.south;let m=s.east;const T=s.west;m<T&&(m+=a.CesiumMath.TWO_PI);const E=e.length;for(let s=0;s<E;++s){const E=e[s],p=o[E],f=i[E];A.longitude=a.CesiumMath.lerp(T,m,f.x),A.latitude=a.CesiumMath.lerp(g,I,f.y),A.height=p-n;const y=c.cartographicToCartesian(A,M);t.Matrix4.multiplyByPoint(d,y,y),r.Cartesian3.minimumByComponent(y,h,h),r.Cartesian3.maximumByComponent(y,u,u),l=Math.min(l,A.height)}return l}function W(e,t,r,o,i,s,d,h,u,l,I,g,m,T){const E=n.defined(d),p=u.north,f=u.south;let y=u.east;const N=u.west;y<N&&(y+=a.CesiumMath.TWO_PI);const w=r.length;for(let n=0;n<w;++n){const u=r[n],w=i[u],S=s[u];A.longitude=a.CesiumMath.lerp(N,y,S.x)+m,A.latitude=a.CesiumMath.lerp(f,p,S.y)+T,A.height=w-l;const x=h.cartographicToCartesian(A,M);if(E){const e=2*u;C.x=d[e],C.y=d[e+1]}let b,W;o.hasWebMercatorT&&(b=(c.WebMercatorProjection.geodeticLatitudeToMercatorAngle(A.latitude)-I)*g),o.hasGeodeticSurfaceNormals&&(W=h.geodeticSurfaceNormal(x)),t=o.encode(e,t,x,S,A.height,C,b,W)}}function v(e,t){let r;return"function"==typeof e.slice&&(r=e.slice(),"function"!=typeof r.sort&&(r=void 0)),n.defined(r)||(r=Array.prototype.slice.call(e)),r.sort(t),r}return d((function(d,h){const u=d.quantizedVertices,l=u.length/3,I=d.octEncodedNormals,g=d.westIndices.length+d.eastIndices.length+d.southIndices.length+d.northIndices.length,T=d.includeWebMercatorT,E=d.exaggeration,p=d.exaggerationRelativeHeight,f=1!==E,y=t.Rectangle.clone(d.rectangle),N=y.west,P=y.south,D=y.east,k=y.north,F=r.Ellipsoid.clone(d.ellipsoid),H=d.minimumHeight,_=d.maximumHeight,G=d.relativeToCenter,V=s.Transforms.eastNorthUpToFixedFrame(G,F),Y=t.Matrix4.inverseTransformation(V,new t.Matrix4);let O,B;T&&(O=c.WebMercatorProjection.geodeticLatitudeToMercatorAngle(P),B=1/(c.WebMercatorProjection.geodeticLatitudeToMercatorAngle(k)-O));const R=u.subarray(0,l),L=u.subarray(l,2*l),j=u.subarray(2*l,3*l),U=n.defined(I),z=new Array(l),q=new Array(l),Q=new Array(l),K=T?new Array(l):[],X=f?new Array(l):[],Z=S;Z.x=Number.POSITIVE_INFINITY,Z.y=Number.POSITIVE_INFINITY,Z.z=Number.POSITIVE_INFINITY;const J=x;J.x=Number.NEGATIVE_INFINITY,J.y=Number.NEGATIVE_INFINITY,J.z=Number.NEGATIVE_INFINITY;let $=Number.POSITIVE_INFINITY,ee=Number.NEGATIVE_INFINITY,te=Number.POSITIVE_INFINITY,re=Number.NEGATIVE_INFINITY;for(let e=0;e<l;++e){const n=R[e],o=L[e],i=n/w,s=o/w,d=a.CesiumMath.lerp(H,_,j[e]/w);A.longitude=a.CesiumMath.lerp(N,D,i),A.latitude=a.CesiumMath.lerp(P,k,s),A.height=d,$=Math.min(A.longitude,$),ee=Math.max(A.longitude,ee),te=Math.min(A.latitude,te),re=Math.max(A.latitude,re);const h=F.cartographicToCartesian(A);z[e]=new t.Cartesian2(i,s),q[e]=d,Q[e]=h,T&&(K[e]=(c.WebMercatorProjection.geodeticLatitudeToMercatorAngle(A.latitude)-O)*B),f&&(X[e]=F.geodeticSurfaceNormal(h)),t.Matrix4.multiplyByPoint(Y,h,M),r.Cartesian3.minimumByComponent(M,Z,Z),r.Cartesian3.maximumByComponent(M,J,J)}const ne=v(d.westIndices,(function(e,t){return z[e].y-z[t].y})),oe=v(d.eastIndices,(function(e,t){return z[t].y-z[e].y})),ie=v(d.southIndices,(function(e,t){return z[t].x-z[e].x})),ae=v(d.northIndices,(function(e,t){return z[e].x-z[t].x}));let se;if(H<0){se=new o.EllipsoidalOccluder(F).computeHorizonCullingPointPossiblyUnderEllipsoid(G,Q,H)}let ce=H;ce=Math.min(ce,b(d.westIndices,d.westSkirtHeight,q,z,y,F,Y,Z,J)),ce=Math.min(ce,b(d.southIndices,d.southSkirtHeight,q,z,y,F,Y,Z,J)),ce=Math.min(ce,b(d.eastIndices,d.eastSkirtHeight,q,z,y,F,Y,Z,J)),ce=Math.min(ce,b(d.northIndices,d.northSkirtHeight,q,z,y,F,Y,Z,J));const de=new e.AxisAlignedBoundingBox(Z,J,G),he=new o.TerrainEncoding(G,de,ce,_,V,U,T,f,E,p),ue=he.stride,le=new Float32Array(l*ue+g*ue);let Ie=0;for(let e=0;e<l;++e){if(U){const t=2*e;C.x=I[t],C.y=I[t+1]}Ie=he.encode(le,Ie,Q[e],z[e],q[e],C,K[e],X[e])}const ge=Math.max(0,2*(g-4)),me=d.indices.length+3*ge,Te=i.IndexDatatype.createTypedArray(l+g,me);Te.set(d.indices,0);const Ee=1e-4,pe=(ee-$)*Ee,fe=(re-te)*Ee,ye=-pe,Ne=pe,we=fe,Me=-fe;let Se=l*ue;return W(le,Se,ne,he,q,z,I,F,y,d.westSkirtHeight,O,B,ye,0),Se+=d.westIndices.length*ue,W(le,Se,ie,he,q,z,I,F,y,d.southSkirtHeight,O,B,0,Me),Se+=d.southIndices.length*ue,W(le,Se,oe,he,q,z,I,F,y,d.eastSkirtHeight,O,B,Ne,0),Se+=d.eastIndices.length*ue,W(le,Se,ae,he,q,z,I,F,y,d.northSkirtHeight,O,B,0,we),m.addSkirtIndices(ne,ie,oe,ae,l,Te,d.indices.length),h.push(le.buffer,Te.buffer),{vertices:le.buffer,indices:Te.buffer,westIndicesSouthToNorth:ne,southIndicesEastToWest:ie,eastIndicesNorthToSouth:oe,northIndicesWestToEast:ae,vertexStride:ue,center:G,minimumHeight:H,maximumHeight:_,occludeePointInScaledSpace:se,encoding:he,indexCountWithoutSkirts:d.indices.length}}))}));