Initial project import

node_modules/three/examples/jsm/lighting/DynamicLighting.js

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+import { Lighting, LightsNode } from 'three/webgpu';
+import DynamicLightsNode from '../tsl/lighting/DynamicLightsNode.js';
+
+const _defaultLights = /*@__PURE__*/ new LightsNode();
+
+/**
+ * A custom lighting implementation that batches supported analytic lights into
+ * uniform arrays so light count changes do not recompile materials.
+ *
+ * ```js
+ * const lighting = new DynamicLighting( { maxPointLights: 64 } );
+ * renderer.lighting = lighting;
+ * ```
+ *
+ * @augments Lighting
+ * @three_import import { DynamicLighting } from 'three/addons/lighting/DynamicLighting.js';
+ */
+export class DynamicLighting extends Lighting {
+
+	/**
+	 * Constructs a new dynamic lighting system.
+	 *
+	 * @param {Object} [options={}] - Dynamic lighting configuration.
+	 * @param {number} [options.maxDirectionalLights=8] - Maximum number of batched directional lights.
+	 * @param {number} [options.maxPointLights=16] - Maximum number of batched point lights.
+	 * @param {number} [options.maxSpotLights=16] - Maximum number of batched spot lights.
+	 * @param {number} [options.maxHemisphereLights=4] - Maximum number of batched hemisphere lights.
+	 */
+	constructor( options = {} ) {
+
+		super();
+
+		this.options = {
+			maxDirectionalLights: 8,
+			maxPointLights: 16,
+			maxSpotLights: 16,
+			maxHemisphereLights: 4,
+			...options
+		};
+
+		this._nodes = new WeakMap();
+
+	}
+
+	/**
+	 * Creates a new dynamic lights node for the given array of lights.
+	 *
+	 * @param {Array<Light>} lights - The lights to bind to the node.
+	 * @return {DynamicLightsNode} The dynamic lights node.
+	 */
+	createNode( lights = [] ) {
+
+		return new DynamicLightsNode( this.options ).setLights( lights );
+
+	}
+
+	/**
+	 * Returns a lights node for the given scene.
+	 *
+	 * @param {Scene} scene - The scene.
+	 * @return {LightsNode} The lights node.
+	 */
+	getNode( scene ) {
+
+		if ( scene.isQuadMesh ) return _defaultLights;
+
+		let node = this._nodes.get( scene );
+
+		if ( node === undefined ) {
+
+			node = this.createNode();
+			this._nodes.set( scene, node );
+
+		}
+
+		return node;
+
+	}
+
+}
+
+export default DynamicLighting;