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+/**
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+ * Copyright (c) 2018 mol* contributors, licensed under MIT, See LICENSE file for more info.
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+ *
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+ * @author Alexander Rose <alexander.rose@weirdbyte.de>
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+ */
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+
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+import { RuntimeContext } from 'mol-task'
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+import { RenderObject, MeshRenderObject, LinesRenderObject, PointsRenderObject, DirectVolumeRenderObject } from 'mol-gl/render-object'
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+import { PickingId } from '../mol-geo/geometry/picking';
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+import { Loci } from 'mol-model/loci';
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+import { MarkerAction } from '../mol-geo/geometry/marker-data';
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+import { ParamDefinition as PD } from 'mol-util/param-definition';
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+import { WebGLContext } from 'mol-gl/webgl/context';
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+import { Theme } from 'mol-theme/theme';
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+import { Mat4 } from 'mol-math/linear-algebra';
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+import { setTransformData } from 'mol-geo/geometry/transform-data';
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+import { calculateTransformBoundingSphere } from 'mol-gl/renderable/util';
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+import { Sphere3D } from 'mol-math/geometry';
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+import { ValueCell } from 'mol-util';
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+
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+export interface VisualContext {
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+ readonly runtime: RuntimeContext
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+ readonly webgl?: WebGLContext
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+}
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+// export type VisualFactory<D, P extends PD.Params> = (ctx: VisualContext) => Visual<D, P>
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+
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+type VisualRenderObject = MeshRenderObject | LinesRenderObject | PointsRenderObject | DirectVolumeRenderObject
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+
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+export { Visual }
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+interface Visual<D, P extends PD.Params> {
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+ /** Number of addressable groups in all instances of the visual */
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+ readonly groupCount: number
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+ readonly renderObject: RenderObject | undefined
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+ createOrUpdate: (ctx: VisualContext, theme: Theme, props?: Partial<PD.Values<P>>, data?: D) => Promise<void> | void
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+ getLoci: (pickingId: PickingId) => Loci
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+ mark: (loci: Loci, action: MarkerAction) => boolean
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+ setVisibility: (value: boolean) => void
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+ setPickable: (value: boolean) => void
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+ setTransform: (value: Mat4) => void
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+ destroy: () => void
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+}
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+namespace Visual {
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+ export function setVisibility(renderObject: VisualRenderObject | undefined, value: boolean) {
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+ if (renderObject) renderObject.state.visible = value
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+ }
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+
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+ export function setPickable(renderObject: VisualRenderObject | undefined, value: boolean) {
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+ if (renderObject) renderObject.state.pickable = value
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+ }
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+
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+ export function setTransform(renderObject: VisualRenderObject | undefined, value: Mat4) {
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+ if (renderObject) {
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+ const { values } = renderObject
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+ setTransformData(value, values)
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+ const boundingSphere = calculateTransformBoundingSphere(values.invariantBoundingSphere.ref.value, values.aTransform.ref.value, values.instanceCount.ref.value)
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+ if (!Sphere3D.equals(boundingSphere, values.boundingSphere.ref.value)) {
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+ ValueCell.update(values.boundingSphere, boundingSphere)
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+ }
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+ }
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+ }
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+}
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