{"ast":null,"code":"import { RegisterClass } from \"../../../Misc/typeStore.js\";\nimport { TriPlanarBlock } from \"./triPlanarBlock.js\";\nimport { NodeMaterialBlockConnectionPointTypes } from \"../Enums/nodeMaterialBlockConnectionPointTypes.js\";\n\n/**\n * Block used to read a texture with triplanar mapping (see https://iquilezles.org/articles/biplanar/)\n */\nexport class BiPlanarBlock extends TriPlanarBlock {\n  /**\n   * Create a new BiPlanarBlock\n   * @param name defines the block name\n   */\n  constructor(name) {\n    super(name, true);\n  }\n  /**\n   * Gets the current class name\n   * @returns the class name\n   */\n  getClassName() {\n    return \"BiPlanarBlock\";\n  }\n  _declareLocalVarAsVec3I(name, state) {\n    if (state.shaderLanguage === 1 /* ShaderLanguage.WGSL */) {\n      return `var ${name}: vec3<i32>`;\n    } else {\n      return `ivec3 ${name}`;\n    }\n  }\n  _getTextureGrad(state, samplerName) {\n    if (state.shaderLanguage === 1 /* ShaderLanguage.WGSL */) {\n      return `textureSampleGrad(${samplerName},${samplerName + `Sampler`}`;\n    }\n    return `textureGrad(${samplerName}`;\n  }\n  _generateTextureLookup(state) {\n    var _this$samplerYName;\n    const samplerName = this.samplerName;\n    const samplerYName = (_this$samplerYName = this.samplerYName) !== null && _this$samplerYName !== void 0 ? _this$samplerYName : this.samplerName;\n    const sharpness = this.sharpness.isConnected ? this.sharpness.associatedVariableName : \"1.0\";\n    const dpdx = state._getFreeVariableName(\"dxValue\");\n    const dpdy = state._getFreeVariableName(\"dyValue\");\n    const n = state._getFreeVariableName(\"n\");\n    const ma = state._getFreeVariableName(\"ma\");\n    const mi = state._getFreeVariableName(\"mi\");\n    const me = state._getFreeVariableName(\"me\");\n    const x = state._getFreeVariableName(\"x\");\n    const y = state._getFreeVariableName(\"y\");\n    const w = state._getFreeVariableName(\"w\");\n    let ivec3 = \"ivec3\";\n    let dpdxFunc = \"dFdx\";\n    let dpdyFunc = \"dFdy\";\n    const suffix = state.fSuffix;\n    if (state.shaderLanguage === 1 /* ShaderLanguage.WGSL */) {\n      ivec3 = \"vec3<i32>\";\n      dpdxFunc = \"dpdx\";\n      dpdyFunc = \"dpdy\";\n    }\n    state.compilationString += `\n            // grab coord derivatives for texturing\n            ${state._declareLocalVar(dpdx, NodeMaterialBlockConnectionPointTypes.Vector3)} = ${dpdxFunc}(${this.position.associatedVariableName}.xyz);\n            ${state._declareLocalVar(dpdy, NodeMaterialBlockConnectionPointTypes.Vector3)} = ${dpdyFunc}(${this.position.associatedVariableName}.xyz);\n            ${state._declareLocalVar(n, NodeMaterialBlockConnectionPointTypes.Vector3)} = abs(${this.normal.associatedVariableName}.xyz);\n        \n            // determine major axis (in x; yz are following axis)\n            ${this._declareLocalVarAsVec3I(ma, state)} = ${state._generateTernary(`${ivec3}(0,1,2)`, `${state._generateTernary(`${ivec3}(1,2,0)`, `${ivec3}(2,0,1)`, `(${n}.y>${n}.z)`)}`, `(${n}.x>${n}.y && ${n}.x>${n}.z)`)};                    \n\n            // determine minor axis (in x; yz are following axis)\n            ${this._declareLocalVarAsVec3I(mi, state)} =  ${state._generateTernary(`${ivec3}(0,1,2)`, `${state._generateTernary(`${ivec3}(1,2,0)`, `${ivec3}(2,0,1)`, `(${n}.y<${n}.z)`)}`, `(${n}.x<${n}.y && ${n}.x<${n}.z)`)};  \n                              \n            // determine median axis (in x;  yz are following axis)\n            ${this._declareLocalVarAsVec3I(me, state)} = ${ivec3}(3) - ${mi} - ${ma};\n            \n            // project+fetch\n            ${state._declareLocalVar(x, NodeMaterialBlockConnectionPointTypes.Vector4)} = ${this._getTextureGrad(state, samplerName)}, vec2${suffix}(${this.position.associatedVariableName}[${ma}.y], ${this.position.associatedVariableName}[${ma}.z]), \n                                    vec2${suffix}(${dpdx}[${ma}.y],${dpdx}[${ma}.z]), \n                                    vec2${suffix}(${dpdy}[${ma}.y],${dpdy}[${ma}.z]));\n            ${state._declareLocalVar(y, NodeMaterialBlockConnectionPointTypes.Vector4)} = ${this._getTextureGrad(state, samplerYName)}, vec2${suffix}(${this.position.associatedVariableName}[${me}.y], ${this.position.associatedVariableName}[${me}.z]), \n                                    vec2${suffix}(${dpdx}[${me}.y],${dpdx}[${me}.z]),\n                                    vec2${suffix}(${dpdy}[${me}.y],${dpdy}[${me}.z]));\n            \n            // blend factors\n            ${state._declareLocalVar(w, NodeMaterialBlockConnectionPointTypes.Vector2)} = vec2${suffix}(${n}[${ma}.x],${n}[${me}.x]);\n            // make local support\n            ${w} = clamp( (${w}-0.5773)/(1.0-0.5773), vec2${suffix}(0.0), vec2${suffix}(1.0) );\n            // shape transition\n            ${w} = pow( ${w}, vec2${suffix}(${sharpness}/8.0) );\n            // blend and return\n            ${state._declareLocalVar(this._tempTextureRead, NodeMaterialBlockConnectionPointTypes.Vector4)} = (${x}*${w}.x + ${y}*${w}.y) / (${w}.x + ${w}.y);\n        `;\n  }\n}\nRegisterClass(\"BABYLON.BiPlanarBlock\", BiPlanarBlock);","map":{"version":3,"names":["RegisterClass","TriPlanarBlock","NodeMaterialBlockConnectionPointTypes","BiPlanarBlock","constructor","name","getClassName","_declareLocalVarAsVec3I","state","shaderLanguage","_getTextureGrad","samplerName","_generateTextureLookup","_this$samplerYName","samplerYName","sharpness","isConnected","associatedVariableName","dpdx","_getFreeVariableName","dpdy","n","ma","mi","me","x","y","w","ivec3","dpdxFunc","dpdyFunc","suffix","fSuffix","compilationString","_declareLocalVar","Vector3","position","normal","_generateTernary","Vector4","Vector2","_tempTextureRead"],"sources":["F:/workspace/202226701027/huinongbao-app/node_modules/@babylonjs/core/Materials/Node/Blocks/biPlanarBlock.js"],"sourcesContent":["import { RegisterClass } from \"../../../Misc/typeStore.js\";\nimport { TriPlanarBlock } from \"./triPlanarBlock.js\";\nimport { NodeMaterialBlockConnectionPointTypes } from \"../Enums/nodeMaterialBlockConnectionPointTypes.js\";\n\n/**\n * Block used to read a texture with triplanar mapping (see https://iquilezles.org/articles/biplanar/)\n */\nexport class BiPlanarBlock extends TriPlanarBlock {\n    /**\n     * Create a new BiPlanarBlock\n     * @param name defines the block name\n     */\n    constructor(name) {\n        super(name, true);\n    }\n    /**\n     * Gets the current class name\n     * @returns the class name\n     */\n    getClassName() {\n        return \"BiPlanarBlock\";\n    }\n    _declareLocalVarAsVec3I(name, state) {\n        if (state.shaderLanguage === 1 /* ShaderLanguage.WGSL */) {\n            return `var ${name}: vec3<i32>`;\n        }\n        else {\n            return `ivec3 ${name}`;\n        }\n    }\n    _getTextureGrad(state, samplerName) {\n        if (state.shaderLanguage === 1 /* ShaderLanguage.WGSL */) {\n            return `textureSampleGrad(${samplerName},${samplerName + `Sampler`}`;\n        }\n        return `textureGrad(${samplerName}`;\n    }\n    _generateTextureLookup(state) {\n        const samplerName = this.samplerName;\n        const samplerYName = this.samplerYName ?? this.samplerName;\n        const sharpness = this.sharpness.isConnected ? this.sharpness.associatedVariableName : \"1.0\";\n        const dpdx = state._getFreeVariableName(\"dxValue\");\n        const dpdy = state._getFreeVariableName(\"dyValue\");\n        const n = state._getFreeVariableName(\"n\");\n        const ma = state._getFreeVariableName(\"ma\");\n        const mi = state._getFreeVariableName(\"mi\");\n        const me = state._getFreeVariableName(\"me\");\n        const x = state._getFreeVariableName(\"x\");\n        const y = state._getFreeVariableName(\"y\");\n        const w = state._getFreeVariableName(\"w\");\n        let ivec3 = \"ivec3\";\n        let dpdxFunc = \"dFdx\";\n        let dpdyFunc = \"dFdy\";\n        const suffix = state.fSuffix;\n        if (state.shaderLanguage === 1 /* ShaderLanguage.WGSL */) {\n            ivec3 = \"vec3<i32>\";\n            dpdxFunc = \"dpdx\";\n            dpdyFunc = \"dpdy\";\n        }\n        state.compilationString += `\r\n            // grab coord derivatives for texturing\r\n            ${state._declareLocalVar(dpdx, NodeMaterialBlockConnectionPointTypes.Vector3)} = ${dpdxFunc}(${this.position.associatedVariableName}.xyz);\r\n            ${state._declareLocalVar(dpdy, NodeMaterialBlockConnectionPointTypes.Vector3)} = ${dpdyFunc}(${this.position.associatedVariableName}.xyz);\r\n            ${state._declareLocalVar(n, NodeMaterialBlockConnectionPointTypes.Vector3)} = abs(${this.normal.associatedVariableName}.xyz);\r\n        \r\n            // determine major axis (in x; yz are following axis)\r\n            ${this._declareLocalVarAsVec3I(ma, state)} = ${state._generateTernary(`${ivec3}(0,1,2)`, `${state._generateTernary(`${ivec3}(1,2,0)`, `${ivec3}(2,0,1)`, `(${n}.y>${n}.z)`)}`, `(${n}.x>${n}.y && ${n}.x>${n}.z)`)};                    \r\n\r\n            // determine minor axis (in x; yz are following axis)\r\n            ${this._declareLocalVarAsVec3I(mi, state)} =  ${state._generateTernary(`${ivec3}(0,1,2)`, `${state._generateTernary(`${ivec3}(1,2,0)`, `${ivec3}(2,0,1)`, `(${n}.y<${n}.z)`)}`, `(${n}.x<${n}.y && ${n}.x<${n}.z)`)};  \r\n                              \r\n            // determine median axis (in x;  yz are following axis)\r\n            ${this._declareLocalVarAsVec3I(me, state)} = ${ivec3}(3) - ${mi} - ${ma};\r\n            \r\n            // project+fetch\r\n            ${state._declareLocalVar(x, NodeMaterialBlockConnectionPointTypes.Vector4)} = ${this._getTextureGrad(state, samplerName)}, vec2${suffix}(${this.position.associatedVariableName}[${ma}.y], ${this.position.associatedVariableName}[${ma}.z]), \r\n                                    vec2${suffix}(${dpdx}[${ma}.y],${dpdx}[${ma}.z]), \r\n                                    vec2${suffix}(${dpdy}[${ma}.y],${dpdy}[${ma}.z]));\r\n            ${state._declareLocalVar(y, NodeMaterialBlockConnectionPointTypes.Vector4)} = ${this._getTextureGrad(state, samplerYName)}, vec2${suffix}(${this.position.associatedVariableName}[${me}.y], ${this.position.associatedVariableName}[${me}.z]), \r\n                                    vec2${suffix}(${dpdx}[${me}.y],${dpdx}[${me}.z]),\r\n                                    vec2${suffix}(${dpdy}[${me}.y],${dpdy}[${me}.z]));\r\n            \r\n            // blend factors\r\n            ${state._declareLocalVar(w, NodeMaterialBlockConnectionPointTypes.Vector2)} = vec2${suffix}(${n}[${ma}.x],${n}[${me}.x]);\r\n            // make local support\r\n            ${w} = clamp( (${w}-0.5773)/(1.0-0.5773), vec2${suffix}(0.0), vec2${suffix}(1.0) );\r\n            // shape transition\r\n            ${w} = pow( ${w}, vec2${suffix}(${sharpness}/8.0) );\r\n            // blend and return\r\n            ${state._declareLocalVar(this._tempTextureRead, NodeMaterialBlockConnectionPointTypes.Vector4)} = (${x}*${w}.x + ${y}*${w}.y) / (${w}.x + ${w}.y);\r\n        `;\n    }\n}\nRegisterClass(\"BABYLON.BiPlanarBlock\", 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