Initial commit

node_modules/three/examples/jsm/nodes/accessors/CubeTextureNode.js

@@ -0,0 +1,118 @@
+import TextureNode from './TextureNode.js';
+import UniformNode from '../core/UniformNode.js';
+import { reflectVector } from './ReflectVectorNode.js';
+import { addNodeClass } from '../core/Node.js';
+import { colorSpaceToLinear } from '../display/ColorSpaceNode.js';
+import { expression } from '../code/ExpressionNode.js';
+import { addNodeElement, nodeProxy, vec3 } from '../shadernode/ShaderNode.js';
+
+class CubeTextureNode extends TextureNode {
+
+	constructor( value, uvNode = null, levelNode = null ) {
+
+		super( value, uvNode, levelNode );
+
+		this.isCubeTextureNode = true;
+
+	}
+
+	getInputType( /*builder*/ ) {
+
+		return 'cubeTexture';
+
+	}
+
+	getDefaultUV() {
+
+		return reflectVector;
+
+	}
+
+	setUpdateMatrix( /*updateMatrix*/ ) { } // Ignore .updateMatrix for CubeTextureNode
+
+	generate( builder, output ) {
+
+		const { uvNode, levelNode } = builder.getNodeProperties( this );
+
+		const texture = this.value;
+
+		if ( ! texture || texture.isCubeTexture !== true ) {
+
+			throw new Error( 'CubeTextureNode: Need a three.js cube texture.' );
+
+		}
+
+		const textureProperty = UniformNode.prototype.generate.call( this, builder, 'cubeTexture' );
+
+		if ( output === 'sampler' ) {
+
+			return textureProperty + '_sampler';
+
+		} else if ( builder.isReference( output ) ) {
+
+			return textureProperty;
+
+		} else {
+
+			const nodeData = builder.getDataFromNode( this );
+
+			let propertyName = nodeData.propertyName;
+
+			if ( propertyName === undefined ) {
+
+				const cubeUV = vec3( uvNode.x.negate(), uvNode.yz );
+				const uvSnippet = cubeUV.build( builder, 'vec3' );
+
+				const nodeVar = builder.getVarFromNode( this );
+
+				propertyName = builder.getPropertyName( nodeVar );
+
+				let snippet = null;
+
+				if ( levelNode && levelNode.isNode === true ) {
+
+					const levelSnippet = levelNode.build( builder, 'float' );
+
+					snippet = builder.getTextureLevel( this, textureProperty, uvSnippet, levelSnippet );
+
+				} else {
+
+					snippet = builder.getTexture( this, textureProperty, uvSnippet );
+
+				}
+
+				builder.addLineFlowCode( `${propertyName} = ${snippet}` );
+
+				if ( builder.context.tempWrite !== false ) {
+
+					nodeData.snippet = snippet;
+					nodeData.propertyName = propertyName;
+
+				}
+
+			}
+
+			let snippet = propertyName;
+			const nodeType = this.getNodeType( builder );
+
+			if ( builder.needsColorSpaceToLinear( this.value ) ) {
+
+				snippet = colorSpaceToLinear( expression( snippet, nodeType ), this.value.colorSpace ).setup( builder ).build( builder, nodeType );
+
+			}
+
+			return builder.format( snippet, nodeType, output );
+
+		}
+
+	}
+
+}
+
+export default CubeTextureNode;
+
+export const cubeTexture = nodeProxy( CubeTextureNode );
+
+addNodeElement( 'cubeTexture', cubeTexture );
+
+addNodeClass( 'CubeTextureNode', CubeTextureNode );