@arcgis/core/views/3d/state/helpers/SceneIntersectionHelper.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 e from"../../../../core/PooledArray.js";import{castRenderScreenPointArray3 as t,createRenderScreenPointArray3 as r}from"../../../../core/screenUtils.js";import{getMetersPerVerticalUnitForSR as i}from"../../../../core/units.js";import{add as n,normalize as s,dot as o}from"../../../../core/libs/gl-matrix-2/math/vec3.js";import{create as l}from"../../../../core/libs/gl-matrix-2/factories/vec3f64.js";import{create as a,copy as c,negativeInfinity as u,width as h,height as d,expandPointInPlace as p}from"../../../../geometry/support/aaBoundingRect.js";import{create as m}from"../../../../geometry/support/ray.js";import{sv3d as y}from"../../../../geometry/support/vectorStacks.js";import{getElevationOffsetInMeters as f}from"../../../../support/elevationInfoUtils.js";import{computeMapPointFromVec3d as g}from"../../support/hitTest.js";import{fromRenderAtEye as _,fromScreen as b}from"../../support/geometryUtils/ray.js";import{defaultTolerance as w,Intersector as R}from"../../webgl-engine/lib/Intersector.js";import{isValidIntersectorResult as v}from"../../webgl-engine/lib/IntersectorResult.js";import{sliceFilterPredicate as P}from"../../webgl-engine/lib/intersectorUtils.js";import{HUDMaterial as I}from"../../webgl-engine/materials/HUDMaterial.js";class x{constructor(t,r,i){this.viewingMode=t,this._forEachLayer=r,this._view=i,this._externalIntersectionHandlers=new e,this._tolerance=w,this._tmpRay=m(),this._tmpRegion=a(),this._validateHUDIntersector=new R(this.viewingMode),this._validateHUDIntersector.options.hud=!1}destroy(){this._externalIntersectionHandlers.prune()}intersectScreen(e,t,r){return this.intersectRay(this._getPickRay(e,this._tmpRay),L(this.viewingMode),t,r)}intersectScreenFreePointFallback(e,t,r){return this.intersectRayFreePointFallback(this._getPickRay(e,this._tmpRay),t,r)}intersectRayFreePointFallback(e,t,r){return this.intersectRay(e,L(this.viewingMode),t,r)||this._intersectRayFreePointLocal(e,t)}intersectRay(e,t,r,i){return t.options.selectionMode=!1,t.options.store=0,this.computeIntersection(e,t,!1,i),!!t.results.min&&t.results.min.getIntersectionPoint(r)}getCenterRayWithSubpixelOffset(e,t,r=.5,i=.5){return e.getRenderCenter(T,r,i),T[0]+=.0466,T[1]-=.0123,_(e,T,t)}intersectIntersectorScreen(e,t,r){this.computeIntersection(this._getPickRay(e,this._tmpRay),t,!1,r)}intersectToolIntersectorScreen(e,t,r){const i=this._getPickRay(e,this._tmpRay);this.intersectToolIntersectorRay(i,t,r)}intersectToolIntersectorRay(e,t,r){t.options.selectionMode=!0,this.computeIntersection(e,t,!1,r);const i=t.results.min;!!this._view.basemapTerrain&&this._view.basemapTerrain.opaque||v(i)&&7!==i.intersector||(t.options.selectionMode=!1,this.computeIntersection(e,t,!1,r))}setTolerance(e=w){this._tolerance=e}addIntersectionHandler(e){this._externalIntersectionHandlers.push(e),this._externalIntersectionHandlers.sort((e,t)=>7===e.type?1:7===t.type?-1:0)}removeIntersectionHandler(e){null!=this._externalIntersectionHandlers.removeUnordered(e)&&this._externalIntersectionHandlers.sort((e,t)=>7===e.type?1:7===t.type?-1:0)}_getPickRay(e,t){const r=this._view.state.camera;return b(r,e,t)}_intersectRayFreePointLocal(e,t){return 2!==this.viewingMode||null==e||n(t,e.origin,s(y.get(),e.direction)),!1}intersectElevationFromScreen(e,t,r=0,i=null){return this._intersectElevation(this._getPickRay(e,this._tmpRay),t,r,i)}_intersectElevation(e,r,l=0,a=null){if(null==e)return null;const c=this._view,{renderCoordsHelper:u}=c,h=i(c.spatialReference),d=null!=r?r.mode:"absolute-height",p=f(r)/h,m=("on-the-ground"!==d?p+l:0)*h/u.unitInMeters,{camera:_}=c.state;if("absolute-height"===d){const t=u?.getAltitude(_.eye),r=o(s(E,e.direction),u.worldUpAtPosition(_.eye,F));if(t<m&&r<0||t>=m&&r>0)return null;if(u.intersectInfiniteManifold(e,m,E)){const e=g(c,E);return e.z??=0,e.z-=p,e}return null}const b=_.projectToRenderScreen(e.origin,t(y.get())),w=new V(null,this._forEachLayer),v=c.slice.plane,I=v?P(v):null,x=new R(this.viewingMode);x.options.store=0,x.options.verticalOffset=m,x.options.normalRequired=!1;const j=e.origin,M=n(y.get(),j,e.direction);x.reset(j,M,_),x.point=b;let U=null;if(a&&"type"in a&&"graphics"===a.type){const e=c.allLayerViews.find(e=>e.layer===a)?.uid;U=e?t=>t.layerViewUid===e:null}else a&&(U=e=>e.graphicUid!==a.uid);switch(d){case"relative-to-scene":{const e=e=>(!U||U(e))&&!!e.lastValidElevationBB;x.intersect(w.layers,b,this._tolerance,null,e),this._externalIntersectionHandlers.forAll(e=>{if(2===e.type||7===e.type||8===e.type){const t=e.slicePlaneEnabled?I:null;e.intersect(x,t,x.rayBegin,x.rayEnd,b,!1)}});break}case"on-the-ground":case"relative-to-ground":this._externalIntersectionHandlers.forAll(e=>{if(e.isGround){const t=e.slicePlaneEnabled?I:null;e.intersect(x,t,x.rayBegin,x.rayEnd,b,!1)}})}if(x.results.min.getIntersectionPoint(E)){const e=g(c,E);return e.z=l,e}return null}computeIntersection(e,r,i,s){if(null==e)return;const o=this._view.state.camera,l=o.projectToRenderScreen(e.origin,t(y.get())),a=new V(s,this._forEachLayer);r.options.selectOpaqueTerrainOnly=!s||!("include"in s||"exclude"in s);const c=e.origin,u=n(y.get(),e.origin,e.direction);r.reset(c,u,o),r.intersect(a.layers,l,this._tolerance);const h=this._view.slice.plane,d=null!=h?P(h):null;r.intersect(a.sliceableLayers,l,this._tolerance,d);const p=s&&(s.requiresGroundFeedback||s.enableDraped);this._externalIntersectionHandlers.forAll(e=>{const t=e.layerViewUid,n=e.sublayerId,s=Array.isArray(t),o=s?t:[t];s&&(r.options.filteredLayerViewUids=[]);let h=!1;for(const i of o)a.filterLayerViewUid(i,n)?h=!0:s&&r.options.filteredLayerViewUids.push(i);if(r.options.isFiltered=!h,e.isGround&&p||!r.options.isFiltered){const t=e.slicePlaneEnabled?d:null;e.intersect(r,t,c,u,l,i)}});const m=y.get(),f=this._view,g=f.basemapTerrain;if(s&&s.enableDraped&&null!=g.spatialReference&&r.results.ground.getIntersectionPoint(m)){const e=f.overlayManager.renderer,t=f.renderCoordsHelper.spatialReference,i=y.get();f.renderCoordsHelper.fromRenderCoords(m,i,g.spatialReference),i[2]=f.elevationProvider?.getElevation(m[0],m[1],m[2],t,"ground")??0,e.intersect(r,i,r.results.ground,e=>a.filterRenderGeometry(e))}r.sortResults(),this._processHUDResults(r)}_processHUDResults(e){const t=e.results.hud;c(this._tmpRegion,u);const r=this._view.state.camera,i=[],n=this._tmpRegion,s=e=>{const t=new U(e),s=t.result.target.object.geometries.every(e=>e.material instanceof I&&e.material.parameters.useVisibilityPixel);i.push({item:t,useVisibilityPixel:s}),s&&(r.projectToRenderScreen(e.target.center,t.screenPoint),t.screenPoint[0]=Math.floor(t.screenPoint[0]),t.screenPoint[1]=Math.floor(t.screenPoint[1]),p(n,t.screenPoint))};e.sortResults(t.all),null!=t.min.distance&&s(t.min);for(const c of t.all)t.min.target.object!==c.target.object&&t.max.target.object!==c.target.object&&s(c);if(null!=t.max.distance&&t.max.target.object!==t.min.target.object&&s(t.max),!i.length)return;n[0]===n[2]&&(n[2]+=1),n[1]===n[3]&&(n[3]+=1);const o=r.fullWidth,l=r.fullHeight,a=Math.max(0,n[0]-j),m=Math.max(0,n[1]-j),y=Math.min(h(n)+2*j,o-a),f=Math.min(d(n)+2*j,l-m),g=y>0&&f>0?new Uint8Array(y*f*4):null;g&&this._view.stage.renderer.readHUDVisibility(a,m,y,f,g);let _=!0;const b=null==e.results.max.distance;let w=0;for(const{item:c,useVisibilityPixel:u}of i){let t=!u;if(u&&g)for(const e of M){const r=4*(Math.min(c.screenPoint[0]+e[0],o)-n[0]+(Math.min(c.screenPoint[1]+e[1],l)-n[1])*y);if(r>=0&&r<g.length&&g[r]){t=!0;break}}t&&(_&&(e.results.min.copy(c.result),_=!1),b&&e.results.max.copy(c.result),2===e.options.store&&e.results.all.splice(w++,0,c.result))}}}const j=1,M=(()=>{const e=[],t=j;for(let r=-t;r<=t;r++)for(let i=-t;i<=t;i++)e.push([i+t,r+t]);return e})();class U{constructor(e){this.result=e,this.screenPoint=r()}}let H;function L(e){return H&&H.viewingMode===e||(H=new R(e)),H}class V{constructor(e,t){this.layers=new Array,this.sliceableLayers=new Array,this.include=e?.include,this.exclude=e?.exclude,t(e=>{e.pickable&&this.filterLayerViewUid(e.apiLayerViewUid)&&(e.sliceable?this.sliceableLayers:this.layers).push(e)})}filterLayerViewUid(e,t){const{include:r,exclude:i}=this;if(null==e)return null==r&&null==i;const n=r instanceof Map?r.get(e)??!1:r?.has(e),s=i instanceof Map?i.get(e)??!1:i?.has(e);return(null==n||("boolean"==typeof n?n:null!=t&&n.has(t)))&&(null==s||!("boolean"==typeof s?s:null!=t&&s.has(t)))}filterRenderGeometry(e){return this.filterLayerViewUid(e.layerViewUid)}}function k(e){return"object"==typeof e&&"intersect"in e}const E=l(),F=l(),T=r();export{x as SceneIntersectionHelper,k as isIntersectionHandler};