mirror of
https://github.com/tengge1/ShadowEditor.git
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104 lines
2.5 KiB
JavaScript
104 lines
2.5 KiB
JavaScript
/**
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* @author sunag / http://www.sunag.com.br/
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*/
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import { InputNode } from '../core/InputNode.js';
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import { UVNode } from '../accessors/UVNode.js';
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import { ColorSpaceNode } from '../utils/ColorSpaceNode.js';
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function TextureNode( value, uv, bias, project ) {
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InputNode.call( this, 'v4', { shared: true } );
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this.value = value;
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this.uv = uv || new UVNode();
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this.bias = bias;
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this.project = project !== undefined ? project : false;
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}
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TextureNode.prototype = Object.create( InputNode.prototype );
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TextureNode.prototype.constructor = TextureNode;
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TextureNode.prototype.nodeType = "Texture";
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TextureNode.prototype.getTexture = function ( builder, output ) {
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return InputNode.prototype.generate.call( this, builder, output, this.value.uuid, 't' );
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};
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TextureNode.prototype.generate = function ( builder, output ) {
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if ( output === 'sampler2D' ) {
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return this.getTexture( builder, output );
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}
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var tex = this.getTexture( builder, output ),
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uv = this.uv.build( builder, this.project ? 'v4' : 'v2' ),
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bias = this.bias ? this.bias.build( builder, 'f' ) : undefined;
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if ( bias == undefined && builder.context.bias ) {
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bias = new builder.context.bias( this ).build( builder, 'f' );
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}
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var method, code;
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if ( this.project ) method = 'texture2DProj';
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else method = bias ? 'tex2DBias' : 'tex2D';
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if ( bias ) code = method + '( ' + tex + ', ' + uv + ', ' + bias + ' )';
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else code = method + '( ' + tex + ', ' + uv + ' )';
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// add this context to replace ColorSpaceNode.input to code
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builder.addContext( { input: code, encoding: builder.getTextureEncodingFromMap( this.value ), include: builder.isShader( 'vertex' ) } );
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this.colorSpace = this.colorSpace || new ColorSpaceNode( this );
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code = this.colorSpace.build( builder, this.type );
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builder.removeContext();
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return builder.format( code, this.type, output );
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};
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TextureNode.prototype.copy = function ( source ) {
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InputNode.prototype.copy.call( this, source );
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if ( source.value ) this.value = source.value;
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this.uv = source.uv;
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if ( source.bias ) this.bias = source.bias;
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if ( source.project !== undefined ) this.project = source.project;
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};
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TextureNode.prototype.toJSON = function ( meta ) {
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var data = this.getJSONNode( meta );
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if ( ! data ) {
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data = this.createJSONNode( meta );
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if ( this.value ) data.value = this.value.uuid;
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data.uv = this.uv.toJSON( meta ).uuid;
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data.project = this.project;
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if ( this.bias ) data.bias = this.bias.toJSON( meta ).uuid;
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}
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return data;
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};
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export { TextureNode };
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