){if(!t.hasAttribute(n))throw new Error(`THREE.BatchedMesh: Added geometry missing "${n}". All geometries must have consistent attributes.`);let i=t.getAttribute(n),r=e.getAttribute(n);if(i.itemSize!==r.itemSize||i.normalized!==r.normalized)throw new Error("THREE.BatchedMesh: All attributes must have a consistent itemSize and normalized value.")}}validateInstanceId(t){let e=this._instanceInfo;if(t<0||t>=e.length||e[t].active===!1)throw new Error(`THREE.BatchedMesh: Invalid instanceId ${t}. Instance is either out of range or has been deleted.`)}validateGeometryId(t){let e=this._geometryInfo;if(t<0||t>=e.length||e[t].active===!1)throw new Error(`THREE.BatchedMesh: Invalid geometryId ${t}. Geometry is either out of range or has been deleted.`)}setCustomSort(t){return this.customSort=t,this}computeBoundingBox(){this.boundingBox===null&&(this.boundingBox=new Ue);let t=this.boundingBox,e=this._instanceInfo;t.makeEmpty();for(let n=0,i=e.length;n=this.maxInstanceCount&&this._availableInstanceIds.length===0)throw new Error("THREE.BatchedMesh: Maximum item count reached.");let n={visible:!0,active:!0,geometryIndex:t},i=null;this._availableInstanceIds.length>0?(this._availableInstanceIds.sort(Hc),i=this._availableInstanceIds.shift(),this._instanceInfo[i]=n):(i=this._instanceInfo.length,this._instanceInfo.push(n));let r=this._matricesTexture;Ke.identity().toArray(r.image.data,i*16),r.needsUpdate=!0;let a=this._colorsTexture;return a&&($g.toArray(a.image.data,i*4),a.needsUpdate=!0),this._visibilityChanged=!0,i}addGeometry(t,e=-1,n=-1){this._initializeGeometry(t),this._validateGeometry(t);let i={vertexStart:-1,vertexCount:-1,reservedVertexCount:-1,indexStart:-1,indexCount:-1,reservedIndexCount:-1,start:-1,count:-1,boundingBox:null,boundingSphere:null,active:!0},r=this._geometryInfo;i.vertexStart=this._nextVertexStart,i.reservedVertexCount=e===-1?t.getAttribute("position").count:e;let a=t.getIndex();if(a!==null&&(i.indexStart=this._nextIndexStart,i.reservedIndexCount=n===-1?a.count:n),i.indexStart!==-1&&i.indexStart+i.reservedIndexCount>this._maxIndexCount||i.vertexStart+i.reservedVertexCount>this._maxVertexCount)throw new Error("THREE.BatchedMesh: Reserved space request exceeds the maximum buffer size.");let l;return this._availableGeometryIds.length>0?(this._availableGeometryIds.sort(Hc),l=this._availableGeometryIds.shift(),r[l]=i):(l=this._geometryCount,this._geometryCount++,r.push(i)),this.setGeometryAt(l,t),this._nextIndexStart=i.indexStart+i.reservedIndexCount,this._nextVertexStart=i.vertexStart+i.reservedVertexCount,l}setGeometryAt(t,e){if(t>=this._geometryCount)throw new Error("THREE.BatchedMesh: Maximum geometry count reached.");this._validateGeometry(e);let n=this.geometry,i=n.getIndex()!==null,r=n.getIndex(),a=e.getIndex(),o=this._geometryInfo[t];if(i&&a.count>o.reservedIndexCount||e.attributes.position.count>o.reservedVertexCount)throw new Error("THREE.BatchedMesh: Reserved space not large enough for provided geometry.");let l=o.vertexStart,c=o.reservedVertexCount;o.vertexCount=e.getAttribute("position").count;for(let h in n.attributes){let d=e.getAttribute(h),u=n.getAttribute(h);t_(d,u,l);let f=d.itemSize;for(let p=d.count,_=c;p<_;p++){let g=l+p;for(let m=0;m=e.length||e[t].active===!1)return this;let n=this._instanceInfo;for(let i=0,r=n.length;io).sort((a,o)=>n[a].vertexStart-n[o].vertexStart),r=this.geometry;for(let a=0,o=n.length;a