@babylonjs/viewer/dist/chunks/thinInstanceMesh-DOdJ7Zhn.esm.min.js

The Babylon Viewer aims to simplify a specific but common Babylon.js use case: loading, viewing, and interacting with a 3D model.

import{aV as t,y as e,M as n,a7 as a,bk as s,bl as r,T as i,V as o}from"./index-BPURObVq.esm.min.js";const h="bakedVertexAnimationSettingsInstanced";function f(t){const e=t.bakedVertexAnimationManager?.texture?.getInternalTexture()?._bufferView;return e instanceof Float32Array||e instanceof Uint16Array}function u(t,e,n,a){n.setAll(Number.POSITIVE_INFINITY),a.setAll(Number.NEGATIVE_INFINITY);for(let s=0;s<3*e;s+=3){const e=t[s],r=t[s+1],i=t[s+2];e<n.x&&(n.x=e),r<n.y&&(n.y=r),i<n.z&&(n.z=i),e>a.x&&(a.x=e),r>a.y&&(a.y=r),i>a.z&&(a.z=i)}}function c(t,e,n){n&&(t.x-=t.x*n.x+n.y,t.y-=t.y*n.x+n.y,t.z-=t.z*n.x+n.y,e.x+=e.x*n.x+n.y,e.y+=e.y*n.x+n.y,e.z+=e.z*n.x+n.y)}function I(t,e,n,a,s){const r=i.Vector3[7],h=i.Vector3[8];for(let i=0;i<2;++i)for(let f=0;f<2;++f)for(let u=0;u<2;++u)r.set(i?e.x:t.x,f?e.y:t.y,u?e.z:t.z),o.TransformCoordinatesToRef(r,n,h),a.minimizeInPlace(h),s.maximizeInPlace(h)}function g(t,e,n,a,s){const r=i.Vector3[7];for(let i=0;i<3*e;i+=3)o.TransformCoordinatesFromFloatsToRef(t[i],t[i+1],t[i+2],n,r),a.minimizeInPlace(r),s.maximizeInPlace(r)}let _=!1;_||(_=!0,t.prototype.thinInstanceAdd=function(t,n=!0){if(!this.getScene().getEngine().getCaps().instancedArrays)return e.Error("Thin Instances are not supported on this device as Instanced Array extension not supported"),-1;this._thinInstanceUpdateBufferSize("matrix",Array.isArray(t)?t.length:1);const a=this._thinInstanceDataStorage.instancesCount;if(Array.isArray(t))for(let e=0;e<t.length;++e)this.thinInstanceSetMatrixAt(this._thinInstanceDataStorage.instancesCount++,t[e],e===t.length-1&&n);else this.thinInstanceSetMatrixAt(this._thinInstanceDataStorage.instancesCount++,t,n);return a},t.prototype.thinInstanceAddSelf=function(t=!0){return this.thinInstanceAdd(n.IdentityReadOnly,t)},t.prototype.thinInstanceRegisterAttribute=function(t,e){t===a.ColorKind&&(t=a.ColorInstanceKind),this.removeVerticesData(t),this._thinInstanceInitializeUserStorage(),this._userThinInstanceBuffersStorage.strides[t]=e,this._userThinInstanceBuffersStorage.sizes[t]=e*Math.max(32,this._thinInstanceDataStorage.instancesCount),this._userThinInstanceBuffersStorage.data[t]=new Float32Array(this._userThinInstanceBuffersStorage.sizes[t]),this._userThinInstanceBuffersStorage.vertexBuffers[t]=new a(this.getEngine(),this._userThinInstanceBuffersStorage.data[t],t,!0,!1,e,!0),this.setVerticesBuffer(this._userThinInstanceBuffersStorage.vertexBuffers[t])},t.prototype.thinInstanceSetMatrixAt=function(t,e,n=!0){if(!this._thinInstanceDataStorage.matrixData||t>=this._thinInstanceDataStorage.instancesCount)return!1;const a=this._thinInstanceDataStorage.matrixData;return e.copyToArray(a,16*t),this._thinInstanceDataStorage.worldMatrices&&(this._thinInstanceDataStorage.worldMatrices[t]=e),n&&(this.thinInstanceBufferUpdated("matrix"),this.doNotSyncBoundingInfo||this.thinInstanceRefreshBoundingInfo(!1)),!0},t.prototype.thinInstanceSetAttributeAt=function(t,e,n,s=!0){return t===a.ColorKind&&(t=a.ColorInstanceKind),!(!this._userThinInstanceBuffersStorage||!this._userThinInstanceBuffersStorage.data[t]||e>=this._thinInstanceDataStorage.instancesCount||(this._thinInstanceUpdateBufferSize(t,0),this._userThinInstanceBuffersStorage.data[t].set(n,e*this._userThinInstanceBuffersStorage.strides[t]),s&&this.thinInstanceBufferUpdated(t),0))},Object.defineProperty(t.prototype,"thinInstanceCount",{get:function(){return this._thinInstanceDataStorage.instancesCount},set:function(t){const e=this._thinInstanceDataStorage.matrixData??this.source?._thinInstanceDataStorage.matrixData;t<=(e?e.length/16:0)&&(this._thinInstanceDataStorage.instancesCount=t)},enumerable:!0,configurable:!0}),t.prototype._thinInstanceCreateMatrixBuffer=function(t,e,n=!0){const a=new s(this.getEngine(),e,!n,16,!1,!0);for(let e=0;e<4;e++)this.setVerticesBuffer(a.createVertexBuffer(t+e,4*e,4));return a},t.prototype.thinInstanceSetBuffer=function(t,e,n=0,r=!0){if(n=n||16,"matrix"===t)this._thinInstanceDataStorage.matrixBuffer?.dispose(),this._thinInstanceDataStorage.matrixBuffer=null,this._thinInstanceDataStorage.matrixBufferSize=e?e.length:32*n,this._thinInstanceDataStorage.matrixData=e,this._thinInstanceDataStorage.worldMatrices=null,null!==e?(this._thinInstanceDataStorage.instancesCount=e.length/n,this._thinInstanceDataStorage.matrixBuffer=this._thinInstanceCreateMatrixBuffer("world",e,r),this.doNotSyncBoundingInfo||this.thinInstanceRefreshBoundingInfo(!1)):(this._thinInstanceDataStorage.instancesCount=0,this.doNotSyncBoundingInfo||this.refreshBoundingInfo());else if("previousMatrix"===t)this._thinInstanceDataStorage.previousMatrixBuffer?.dispose(),this._thinInstanceDataStorage.previousMatrixBuffer=null,this._thinInstanceDataStorage.previousMatrixData=e,null!==e&&(this._thinInstanceDataStorage.previousMatrixBuffer=this._thinInstanceCreateMatrixBuffer("previousWorld",e,r));else if("splatIndex"===t&&e){this._thinInstanceInitializeUserStorage(),this._thinInstanceDataStorage.instancesCount=e.length/n,this._userThinInstanceBuffersStorage.data[t]=e,this._userThinInstanceBuffersStorage.strides[t]=n,this._userThinInstanceBuffersStorage.sizes[t]=e.length;const a=new s(this.getEngine(),e,!0,16,!1,!0);this._thinInstanceDataStorage.matrixBuffer=a;for(let e=0;e<4;e++)this.setVerticesBuffer(a.createVertexBuffer(t+e,4*e,4))}else t===a.ColorKind&&(t=a.ColorInstanceKind),null===e?this._userThinInstanceBuffersStorage?.data[t]&&(this.removeVerticesData(t),delete this._userThinInstanceBuffersStorage.data[t],delete this._userThinInstanceBuffersStorage.strides[t],delete this._userThinInstanceBuffersStorage.sizes[t],delete this._userThinInstanceBuffersStorage.vertexBuffers[t]):(this._thinInstanceInitializeUserStorage(),this._userThinInstanceBuffersStorage.data[t]=e,this._userThinInstanceBuffersStorage.strides[t]=n,this._userThinInstanceBuffersStorage.sizes[t]=e.length,this._userThinInstanceBuffersStorage.vertexBuffers[t]=new a(this.getEngine(),e,t,!r,!1,n,!0),this.setVerticesBuffer(this._userThinInstanceBuffersStorage.vertexBuffers[t]))},t.prototype.thinInstanceBufferUpdated=function(t){"matrix"===t?(this.thinInstanceAllowAutomaticStaticBufferRecreation&&this._thinInstanceDataStorage.matrixBuffer&&!this._thinInstanceDataStorage.matrixBuffer.isUpdatable()&&this._thinInstanceRecreateBuffer(t),this._thinInstanceDataStorage.matrixBuffer?.updateDirectly(this._thinInstanceDataStorage.matrixData,0,this._thinInstanceDataStorage.instancesCount)):"previousMatrix"===t?(this.thinInstanceAllowAutomaticStaticBufferRecreation&&this._thinInstanceDataStorage.previousMatrixBuffer&&!this._thinInstanceDataStorage.previousMatrixBuffer.isUpdatable()&&this._thinInstanceRecreateBuffer(t),this._thinInstanceDataStorage.previousMatrixBuffer?.updateDirectly(this._thinInstanceDataStorage.previousMatrixData,0,this._thinInstanceDataStorage.instancesCount)):"splatIndex"===t?this._thinInstanceDataStorage.matrixBuffer?.updateDirectly(this._userThinInstanceBuffersStorage.data[t],0,this._thinInstanceDataStorage.instancesCount):(t===a.ColorKind&&(t=a.ColorInstanceKind),this._userThinInstanceBuffersStorage?.vertexBuffers[t]&&(this.thinInstanceAllowAutomaticStaticBufferRecreation&&!this._userThinInstanceBuffersStorage.vertexBuffers[t].isUpdatable()&&this._thinInstanceRecreateBuffer(t),this._userThinInstanceBuffersStorage.vertexBuffers[t].updateDirectly(this._userThinInstanceBuffersStorage.data[t],0)))},t.prototype.thinInstancePartialBufferUpdate=function(t,e,n){if("matrix"===t)this._thinInstanceDataStorage.matrixBuffer&&("number"==typeof e?this._thinInstanceDataStorage.matrixBuffer.updateDirectly(new Float32Array(this._thinInstanceDataStorage.matrixData.buffer,this._thinInstanceDataStorage.matrixData.byteOffset+16*n*Float32Array.BYTES_PER_ELEMENT,16*e),16*n):this._thinInstanceDataStorage.matrixBuffer.updateDirectly(e,n));else if(t===a.ColorKind&&(t=a.ColorInstanceKind),this._userThinInstanceBuffersStorage?.vertexBuffers[t]){const a=this._userThinInstanceBuffersStorage.vertexBuffers[t];if("number"==typeof e){const a=new Float32Array(this._userThinInstanceBuffersStorage.data[t].buffer,this._userThinInstanceBuffersStorage.data[t].byteOffset+n*this._userThinInstanceBuffersStorage.strides[t]*Float32Array.BYTES_PER_ELEMENT,e*this._userThinInstanceBuffersStorage.strides[t]);this._userThinInstanceBuffersStorage.vertexBuffers[t].updateDirectly(a,n*this._userThinInstanceBuffersStorage.strides[t])}else a.updateDirectly(e,n)}},t.prototype.thinInstanceGetWorldMatrices=function(){if(!this._thinInstanceDataStorage.matrixData||!this._thinInstanceDataStorage.matrixBuffer)return[];const t=this._thinInstanceDataStorage.matrixData;if(!this._thinInstanceDataStorage.worldMatrices){this._thinInstanceDataStorage.worldMatrices=[];for(let e=0;e<this._thinInstanceDataStorage.instancesCount;++e)this._thinInstanceDataStorage.worldMatrices[e]=n.FromArray(t,16*e)}return this._thinInstanceDataStorage.worldMatrices},t.prototype.thinInstanceRefreshBoundingInfo=function(t=!1,e=!1,s=!1,_=!1){if(!this._thinInstanceDataStorage.matrixData||!this._thinInstanceDataStorage.matrixBuffer)return;const S=this._thinInstanceDataStorage.boundingVectors;if(t||!this.rawBoundingInfo){if(S.length=0,_&&function(t,e,s){const o=t._userThinInstanceBuffersStorage,_=o?.data[h],S=o?.strides[h];if(!_||!S||S<4||!f(t))return!1;const l=t._thinInstanceDataStorage.matrixData;if(!l)return!1;const B={},d=i.Vector4[0],x=i.Vector3[1],D=i.Vector3[2],p=i.Vector3[3],m=i.Vector3[4],T=i.Vector3[5],y=i.Vector3[6],A=i.Matrix[2],M=t.geometry?t.geometry.boundingBias:null,v=t.getTotalVertices();x.setAll(Number.POSITIVE_INFINITY),D.setAll(Number.NEGATIVE_INFINITY),p.setAll(Number.POSITIVE_INFINITY),m.setAll(Number.NEGATIVE_INFINITY);for(let e=0;e<t._thinInstanceDataStorage.instancesCount;++e){const r=e*S;d.set(_[r],_[r+1],_[r+2],_[r+3]);const i=t._getData({applyMorph:s,applyBakedVertexAnimation:!0,bakedVertexAnimationSettings:d,updatePositionsArray:!1,cache:B},null,a.PositionKind);if(!i)return!1;u(i,v,T,y),c(T,y,M),x.minimizeInPlace(T),D.maximizeInPlace(y),n.FromArrayToRef(l,16*e,A),M?I(T,y,A,p,m):g(i,v,A,p,m)}return!(!isFinite(x.x)||!isFinite(p.x)||(t.getBoundingInfo().reConstruct(p,m),t.rawBoundingInfo=new r(x,D),function(t,e){t.length=0;for(let n=0;n<e.boundingBox.vectors.length;++n)t.push(e.boundingBox.vectors[n].clone())}(e,t.rawBoundingInfo),t._updateBoundingInfo(),0))}(this,S,s))return;_&&this.bakedVertexAnimationManager?.isEnabled&&f(this)?this.refreshBoundingInfo({applySkeleton:e,applyMorph:s,applyBakedVertexAnimation:!0,updatePositionsArray:!1}):this.refreshBoundingInfo(e,s);const t=this.getBoundingInfo();this.rawBoundingInfo=new r(t.minimum,t.maximum)}const l=this.getBoundingInfo(),B=this._thinInstanceDataStorage.matrixData;if(0===S.length)for(let t=0;t<l.boundingBox.vectors.length;++t)S.push(l.boundingBox.vectors[t].clone());i.Vector3[0].setAll(Number.POSITIVE_INFINITY),i.Vector3[1].setAll(Number.NEGATIVE_INFINITY);for(let t=0;t<this._thinInstanceDataStorage.instancesCount;++t){n.FromArrayToRef(B,16*t,i.Matrix[0]);for(let t=0;t<S.length;++t)o.TransformCoordinatesToRef(S[t],i.Matrix[0],i.Vector3[2]),i.Vector3[0].minimizeInPlace(i.Vector3[2]),i.Vector3[1].maximizeInPlace(i.Vector3[2])}l.reConstruct(i.Vector3[0],i.Vector3[1]),this._updateBoundingInfo()},t.prototype._thinInstanceRecreateBuffer=function(t,e=!0){"matrix"===t?(this._thinInstanceDataStorage.matrixBuffer?.dispose(),this._thinInstanceDataStorage.matrixBuffer=this._thinInstanceCreateMatrixBuffer("world",this._thinInstanceDataStorage.matrixData,e)):"previousMatrix"===t?this._scene.needsPreviousWorldMatrices&&(this._thinInstanceDataStorage.previousMatrixBuffer?.dispose(),this._thinInstanceDataStorage.previousMatrixBuffer=this._thinInstanceCreateMatrixBuffer("previousWorld",this._thinInstanceDataStorage.previousMatrixData??this._thinInstanceDataStorage.matrixData,e)):(t===a.ColorKind&&(t=a.ColorInstanceKind),this._userThinInstanceBuffersStorage.vertexBuffers[t]?.dispose(),this._userThinInstanceBuffersStorage.vertexBuffers[t]=new a(this.getEngine(),this._userThinInstanceBuffersStorage.data[t],t,!e,!1,this._userThinInstanceBuffersStorage.strides[t],!0),this.setVerticesBuffer(this._userThinInstanceBuffersStorage.vertexBuffers[t]))},t.prototype._thinInstanceUpdateBufferSize=function(t,e=1){t===a.ColorKind&&(t=a.ColorInstanceKind);const n="matrix"===t;if(!(n||this._userThinInstanceBuffersStorage&&this._userThinInstanceBuffersStorage.strides[t]))return;const s=n?16:this._userThinInstanceBuffersStorage.strides[t],r=n?this._thinInstanceDataStorage.matrixBufferSize:this._userThinInstanceBuffersStorage.sizes[t];let i=n?this._thinInstanceDataStorage.matrixData:this._userThinInstanceBuffersStorage.data[t];const o=(this._thinInstanceDataStorage.instancesCount+e)*s;let h=r;for(;h<o;)h*=2;if(!i||r!=h){if(i){const t=new Float32Array(h);t.set(i,0),i=t}else i=new Float32Array(h);n?(this._thinInstanceDataStorage.matrixBuffer?.dispose(),this._thinInstanceDataStorage.matrixBuffer=this._thinInstanceCreateMatrixBuffer("world",i,!1),this._thinInstanceDataStorage.matrixData=i,this._thinInstanceDataStorage.matrixBufferSize=h,this._scene.needsPreviousWorldMatrices&&!this._thinInstanceDataStorage.previousMatrixData&&(this._thinInstanceDataStorage.previousMatrixBuffer?.dispose(),this._thinInstanceDataStorage.previousMatrixBuffer=this._thinInstanceCreateMatrixBuffer("previousWorld",i,!1))):(this._userThinInstanceBuffersStorage.vertexBuffers[t]?.dispose(),this._userThinInstanceBuffersStorage.data[t]=i,this._userThinInstanceBuffersStorage.sizes[t]=h,this._userThinInstanceBuffersStorage.vertexBuffers[t]=new a(this.getEngine(),i,t,!0,!1,s,!0),this.setVerticesBuffer(this._userThinInstanceBuffersStorage.vertexBuffers[t]))}},t.prototype._thinInstanceInitializeUserStorage=function(){this._userThinInstanceBuffersStorage||(this._userThinInstanceBuffersStorage={data:{},sizes:{},vertexBuffers:{},strides:{}})},t.prototype._disposeThinInstanceSpecificData=function(){this._thinInstanceDataStorage?.matrixBuffer&&(this._thinInstanceDataStorage.matrixBuffer.dispose(),this._thinInstanceDataStorage.matrixBuffer=null),this._thinInstanceDataStorage?.previousMatrixBuffer&&(this._thinInstanceDataStorage.previousMatrixBuffer.dispose(),this._thinInstanceDataStorage.previousMatrixBuffer=null)});
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