@arcgis/core/views/3d/webgl-engine/materials/PatternMaterial.js

ArcGIS Maps SDK for JavaScript: A complete 2D and 3D mapping and data visualization API

/* COPYRIGHT Esri - https://js.arcgis.com/5.0.8/LICENSE.txt */
import{IDENTITY as e}from"../../../../core/libs/gl-matrix-2/factories/mat4f64.js";import{fromValues as t}from"../../../../core/libs/gl-matrix-2/factories/vec4f64.js";import{BufferViewVec4f as r,BufferViewUint32 as s,BufferViewMat3f as i,BufferViewVec4u8 as o,BufferViewFloat as n}from"../../../../geometry/support/buffer/BufferView.js";import{isHighlightOrOLID as a,isColor as u,isDepth as l,isColorHighlightOrOLID as f}from"../core/shaderLibrary/ShaderOutput.js";import c from"../lib/GLMaterial.js";import{assert as h}from"../lib/Util.js";import{DefaultBufferWriter as p}from"./DefaultBufferWriter.js";import{TriangleMaterial as m}from"./TriangleMaterial.js";import{VisualVariablePassParameters as g}from"./VisualVariablePassParameters.js";import{writeAttributes as d,writeBufferVec4 as b,writeColor as x,writeVVFeatureAttribute as y}from"./internal/bufferWriterUtils.js";import{getLayout as j,getTextureLayout as _}from"../shaders/PatternLayouts.js";import{PatternTechnique as v}from"../shaders/PatternTechnique.js";import{PatternTechniqueConfiguration as C}from"../shaders/PatternTechniqueConfiguration.js";import{alphaCutoff as w}from"../../../../webscene/support/AlphaCutoff.js";class B extends m{constructor(e){super(e,V),this._configuration=new C,this.supportsEdges=!0,this.produces=new Map([[2,e=>a(e)],[4,e=>u(e)],[5,e=>l(e)],[20,e=>this.parameters.draped&&f(e)]])}getConfiguration(e,t){return super.getConfiguration(e,t,this._configuration),this._configuration.cullFace=this.parameters.cullFace,this._configuration.hasVertexColors=this.parameters.hasVertexColors&&!this.parameters.vvColor,this._configuration.hasSlicePlane=this.parameters.hasSlicePlane,this._configuration.polygonOffset=this.parameters.polygonOffset,this._configuration.style=this.parameters.style,this._configuration.draped=this.parameters.draped,this._configuration.enableOffset=t.enableOffset,this._configuration.terrainDepthTest=t.terrainDepthTest&&u(e),this._configuration.cullAboveTerrain=t.cullAboveTerrain,this._configuration.hasVVColor=!!this.parameters.vvColor,this._configuration}get visible(){return this.parameters.color[3]>=w}createGLMaterial(e){return new F(e)}createBufferWriter(){return new T(j(this.parameters),_(this.parameters))}}class F extends c{beginSlot(e){return this.getTechnique(v,e)}}class T extends p{constructor(e,t){super(e),this.textureBufferLayout=t}elementCountTextureBuffer(e){return e.get("boundingRect")?.indices.length??0}write(e,t,i,o,n,a,u){const l=d(i,o,this.layout,e,t,n,a);for(const s of this.layout.fields.keys()){const e=i.get(s),t=e?.indices;if(e&&t)switch(s){case"uvMapSpace":{h(4===e.size);const t=n.getField(s,r);t&&b(e,t,a);break}}}const{textureBufferLayout:f}=this;if(null==f)return l;h(null!=u,"Using a texture layout, but the texture range for this instance was not provided");const c=u.from;h(1===u.numElements,"Provided more than one texture buffer element per polygon");const p=n.getField("textureElementIndex",s);h(null!=p,"Missing component index field");const m=i.get("position")?.indices.length??0;for(let r=0;r<m;++r)p.set(a+r,c);return l}writeTextureBuffer(t,r,s,a,u){const{textureBufferLayout:l}=this;if(null==l)return;const f=a.getField("boundingRect",i),c=s.get("boundingRect");f&&c&&(h(9===c.size),P(c,t??e,f,u));const p=a.getField("color",o),m=s.get("color");p&&m&&(h(3===m.size||4===m.size),x(m,m.size,p,u));const g=a.getField("colorFeatureAttribute",n),d=s.get("colorFeatureAttribute");g&&d&&(h(1===d.size),y(d,g,u))}}function P(e,t,r,s){const{data:i,indices:o}=e,n=t,a=r.typedBuffer,u=r.typedBufferStride,l=o.length;s*=u;for(let f=0;f<l;++f){const e=9*o[f],t=i[e],r=i[e+1],l=i[e+2];a[s]=n[0]*t+n[4]*r+n[8]*l+n[12],a[s+1]=n[1]*t+n[5]*r+n[9]*l+n[13],a[s+2]=n[2]*t+n[6]*r+n[10]*l+n[14];for(let o=3;o<9;++o)a[s+o]=i[e+o];s+=u}}class V extends g{constructor(){super(...arguments),this.color=t(1,1,1,1),this.hasVertexColors=!1,this.polygonOffset=!1,this.hasSlicePlane=!1,this.cullFace=0,this.hasOccludees=!1,this.style=2,this.draped=!0}}export{V as Parameters,B as PatternMaterial};