添加关照、全局等高线、修改图层问题
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										152
									
								
								dist/electron/static/sdk/three/jsm/nodes/parsers/GLSLNodeFunction.js
									
									
									
									
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										152
									
								
								dist/electron/static/sdk/three/jsm/nodes/parsers/GLSLNodeFunction.js
									
									
									
									
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import NodeFunction from '../core/NodeFunction.js';
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import NodeFunctionInput from '../core/NodeFunctionInput.js';
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const declarationRegexp = /^\s*(highp|mediump|lowp)?\s*([a-z_0-9]+)\s*([a-z_0-9]+)?\s*\(([\s\S]*?)\)/i;
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const propertiesRegexp = /[a-z_0-9]+/ig;
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const pragmaMain = '#pragma main';
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const parse = ( source ) => {
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	source = source.trim();
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	const pragmaMainIndex = source.indexOf( pragmaMain );
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	const mainCode = pragmaMainIndex !== - 1 ? source.slice( pragmaMainIndex + pragmaMain.length ) : source;
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	const declaration = mainCode.match( declarationRegexp );
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	if ( declaration !== null && declaration.length === 5 ) {
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		// tokenizer
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		const inputsCode = declaration[ 4 ];
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		const propsMatches = [];
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		let nameMatch = null;
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		while ( ( nameMatch = propertiesRegexp.exec( inputsCode ) ) !== null ) {
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			propsMatches.push( nameMatch );
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		}
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		// parser
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		const inputs = [];
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		let i = 0;
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		while ( i < propsMatches.length ) {
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			const isConst = propsMatches[ i ][ 0 ] === 'const';
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			if ( isConst === true ) {
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				i ++;
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			}
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			let qualifier = propsMatches[ i ][ 0 ];
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			if ( qualifier === 'in' || qualifier === 'out' || qualifier === 'inout' ) {
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				i ++;
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			} else {
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				qualifier = '';
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			}
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			const type = propsMatches[ i ++ ][ 0 ];
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			let count = Number.parseInt( propsMatches[ i ][ 0 ] );
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			if ( Number.isNaN( count ) === false ) i ++;
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			else count = null;
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			const name = propsMatches[ i ++ ][ 0 ];
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			inputs.push( new NodeFunctionInput( type, name, count, qualifier, isConst ) );
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		}
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		//
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		const blockCode = mainCode.substring( declaration[ 0 ].length );
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		const name = declaration[ 3 ] !== undefined ? declaration[ 3 ] : '';
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		const type = declaration[ 2 ];
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		const presicion = declaration[ 1 ] !== undefined ? declaration[ 1 ] : '';
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		const headerCode = pragmaMainIndex !== - 1 ? source.slice( 0, pragmaMainIndex ) : '';
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		return {
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			type,
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			inputs,
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			name,
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			presicion,
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			inputsCode,
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			blockCode,
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			headerCode
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		};
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	} else {
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		throw new Error( 'FunctionNode: Function is not a GLSL code.' );
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	}
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};
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class GLSLNodeFunction extends NodeFunction {
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	constructor( source ) {
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		const { type, inputs, name, presicion, inputsCode, blockCode, headerCode } = parse( source );
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		super( type, inputs, name, presicion );
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		this.inputsCode = inputsCode;
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		this.blockCode = blockCode;
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		this.headerCode = headerCode;
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	}
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	getCode( name = this.name ) {
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		let code;
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		const blockCode = this.blockCode;
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		if ( blockCode !== '' ) {
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			const { type, inputsCode, headerCode, presicion } = this;
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			let declarationCode = `${ type } ${ name } ( ${ inputsCode.trim() } )`;
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			if ( presicion !== '' ) {
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				declarationCode = `${ presicion } ${ declarationCode }`;
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			}
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			code = headerCode + declarationCode + blockCode;
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		} else {
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			// interface function
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			code = '';
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		}
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		return code;
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	}
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}
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export default GLSLNodeFunction;
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										14
									
								
								dist/electron/static/sdk/three/jsm/nodes/parsers/GLSLNodeParser.js
									
									
									
									
										vendored
									
									
										Normal file
									
								
							
							
						
						
									
										14
									
								
								dist/electron/static/sdk/three/jsm/nodes/parsers/GLSLNodeParser.js
									
									
									
									
										vendored
									
									
										Normal file
									
								
							@ -0,0 +1,14 @@
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import NodeParser from '../core/NodeParser.js';
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import GLSLNodeFunction from './GLSLNodeFunction.js';
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class GLSLNodeParser extends NodeParser {
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	parseFunction( source ) {
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		return new GLSLNodeFunction( source );
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	}
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}
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export default GLSLNodeParser;
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