| 1 |
- define(["./ComponentDatatype-93750d1a","./when-4bbc8319","./IndexDatatype-b7d979a6","./RuntimeError-346a3079","./createTaskProcessorWorker","./WebGLConstants-1c8239cc"],(function(e,t,r,n,a,o){"use strict";var i;function u(e,t){for(var n=e.num_points(),a=e.num_faces(),o=new i.DracoInt32Array,u=3*a,s=r.IndexDatatype.createTypedArray(n,u),d=0,c=0;c<a;++c)t.GetFaceFromMesh(e,c,o),s[d+0]=o.GetValue(0),s[d+1]=o.GetValue(1),s[d+2]=o.GetValue(2),d+=3;return i.destroy(o),{typedArray:s,numberOfIndices:u}}function s(r,n,a){var o,u=r.num_points(),s=a.num_components(),d=new i.AttributeQuantizationTransform;if(d.InitFromAttribute(a)){for(var c=new Array(s),f=0;f<s;++f)c[f]=d.min_value(f);o={quantizationBits:d.quantization_bits(),minValues:c,range:d.range(),octEncoded:!1}}i.destroy(d),(d=new i.AttributeOctahedronTransform).InitFromAttribute(a)&&(o={quantizationBits:d.quantization_bits(),octEncoded:!0}),i.destroy(d);var y,A=u*s;y=t.defined(o)?function(e,t,r,n,a){var o,u;n.quantizationBits<=8?(u=new i.DracoUInt8Array,o=new Uint8Array(a),t.GetAttributeUInt8ForAllPoints(e,r,u)):(u=new i.DracoUInt16Array,o=new Uint16Array(a),t.GetAttributeUInt16ForAllPoints(e,r,u));for(var s=0;s<a;++s)o[s]=u.GetValue(s);return i.destroy(u),o}(r,n,a,o,A):function(e,t,r,n){var a,o;switch(r.data_type()){case 1:case 11:o=new i.DracoInt8Array,a=new Int8Array(n),t.GetAttributeInt8ForAllPoints(e,r,o);break;case 2:o=new i.DracoUInt8Array,a=new Uint8Array(n),t.GetAttributeUInt8ForAllPoints(e,r,o);break;case 3:o=new i.DracoInt16Array,a=new Int16Array(n),t.GetAttributeInt16ForAllPoints(e,r,o);break;case 4:o=new i.DracoUInt16Array,a=new Uint16Array(n),t.GetAttributeUInt16ForAllPoints(e,r,o);break;case 5:case 7:o=new i.DracoInt32Array,a=new Int32Array(n),t.GetAttributeInt32ForAllPoints(e,r,o);break;case 6:case 8:o=new i.DracoUInt32Array,a=new Uint32Array(n),t.GetAttributeUInt32ForAllPoints(e,r,o);break;case 9:case 10:o=new i.DracoFloat32Array,a=new Float32Array(n),t.GetAttributeFloatForAllPoints(e,r,o)}for(var u=0;u<n;++u)a[u]=o.GetValue(u);return i.destroy(o),a}(r,n,a,A);var b=e.ComponentDatatype.fromTypedArray(y);return{array:y,data:{componentsPerAttribute:s,componentDatatype:b,byteOffset:a.byte_offset(),byteStride:e.ComponentDatatype.getSizeInBytes(b)*s,normalized:a.normalized(),quantization:o}}}function d(e){return t.defined(e.bufferView)?function(e){var r=new i.Decoder,a=["POSITION","NORMAL"],o=e.compressedAttributes;if(t.defined(o.COLOR_1)||a.push("COLOR"),t.defined(o.TEXCOORD_1)||a.push("TEX_COORD"),e.dequantizeInShader)for(var d=0;d<a.length;++d)r.SkipAttributeTransform(i[a[d]]);var c=e.bufferView,f=new i.DecoderBuffer;if(f.Init(e.array,c.byteLength),r.GetEncodedGeometryType(f)!==i.TRIANGULAR_MESH)throw new n.RuntimeError("Unsupported draco mesh geometry type.");var y=new i.Mesh,A=r.DecodeBufferToMesh(f,y);if(!A.ok()||0===y.ptr)throw new n.RuntimeError("Error decoding draco mesh geometry: "+A.error_msg());i.destroy(f);var b={};for(var l in o)if(o.hasOwnProperty(l)){var m,w=l;if("TEXCOORD_0"===l&&(w="TEX_COORD"),"COLOR_0"===l&&(w="COLOR"),a.includes(w)){var I=r.GetAttributeId(y,i[w]);m=r.GetAttribute(y,I)}else{var p=o[l];m=r.GetAttributeByUniqueId(y,p)}b[l]=s(y,r,m)}var O={indexArray:u(y,r),attributeData:b};return i.destroy(y),i.destroy(r),O}(e):function(e){var t=new i.Decoder;e.dequantizeInShader&&(t.SkipAttributeTransform(i.POSITION),t.SkipAttributeTransform(i.NORMAL));var r=new i.DecoderBuffer;if(r.Init(e.buffer,e.buffer.length),t.GetEncodedGeometryType(r)!==i.POINT_CLOUD)throw new n.RuntimeError("Draco geometry type must be POINT_CLOUD.");var a=new i.PointCloud,o=t.DecodeBufferToPointCloud(r,a);if(!o.ok()||0===a.ptr)throw new n.RuntimeError("Error decoding draco point cloud: "+o.error_msg());i.destroy(r);var u={},d=e.properties;for(var c in d)if(d.hasOwnProperty(c)){var f;if("POSITION"===c||"NORMAL"===c){var y=t.GetAttributeId(a,i[c]);f=t.GetAttribute(a,y)}else{var A=d[c];f=t.GetAttributeByUniqueId(a,A)}u[c]=s(a,t,f)}return i.destroy(a),i.destroy(t),u}(e)}function c(e){i=e,self.onmessage=a(d),self.postMessage(!0)}return function(e){var r=e.data.webAssemblyConfig;if(t.defined(r))return require([r.modulePath],(function(e){t.defined(r.wasmBinaryFile)?(t.defined(e)||(e=self.DracoDecoderModule),e(r).then((function(e){c(e)}))):c(e())}))}}));
|
