Support functions in extraUniforms and extraDefines in MaterialExtension, package update.

package-lock.json

 {
   "name": "threepipe",
-  "version": "0.0.9",
+  "version": "0.0.9-dev.1",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "threepipe",
-      "version": "0.0.9",
+      "version": "0.0.9-dev.1",
       "license": "Apache-2.0",
       "dependencies": {
         "@types/three": "https://github.com/repalash/three-ts-types/releases/download/v0.152.1011/package.tgz",
         "@types/webxr": "^0.5.1",
         "@types/wicg-file-system-access": "^2020.9.5",
-        "ts-browser-helpers": "^0.7.0"
+        "ts-browser-helpers": "^0.8.0"
       },
       "devDependencies": {
         "@rollup/plugin-commonjs": "^25.0.0",
       }
     },
     "node_modules/ts-browser-helpers": {
-      "version": "0.7.0",
-      "resolved": "https://registry.npmjs.org/ts-browser-helpers/-/ts-browser-helpers-0.7.0.tgz",
-      "integrity": "sha512-QCqBNN4PUfe6OkmdWbpBLg9MFqQds3eMwFnIStHxDPdeqTUiAeuMwCK5UpWXTqdTWY/8OvDBQEAbnzeYRl4kCA==",
+      "version": "0.8.0",
+      "resolved": "https://registry.npmjs.org/ts-browser-helpers/-/ts-browser-helpers-0.8.0.tgz",
+      "integrity": "sha512-r7k6udt+tS/FZLwTUbzSgHdHQ56R/MD1oS2rFcEk8O4jKUTzuDVqlUoLX1EjJQYEBGMBI8TEyySTkuomxewZEw==",
       "dependencies": {
         "@types/wicg-file-system-access": "^2020.9.5"
       }
       "dev": true
     },
     "ts-browser-helpers": {
-      "version": "0.7.0",
-      "resolved": "https://registry.npmjs.org/ts-browser-helpers/-/ts-browser-helpers-0.7.0.tgz",
-      "integrity": "sha512-QCqBNN4PUfe6OkmdWbpBLg9MFqQds3eMwFnIStHxDPdeqTUiAeuMwCK5UpWXTqdTWY/8OvDBQEAbnzeYRl4kCA==",
+      "version": "0.8.0",
+      "resolved": "https://registry.npmjs.org/ts-browser-helpers/-/ts-browser-helpers-0.8.0.tgz",
+      "integrity": "sha512-r7k6udt+tS/FZLwTUbzSgHdHQ56R/MD1oS2rFcEk8O4jKUTzuDVqlUoLX1EjJQYEBGMBI8TEyySTkuomxewZEw==",
       "requires": {
         "@types/wicg-file-system-access": "^2020.9.5"
       }

package.json

     "@types/three": "https://github.com/repalash/three-ts-types/releases/download/v0.152.1011/package.tgz",
     "@types/webxr": "^0.5.1",
     "@types/wicg-file-system-access": "^2020.9.5",
-    "ts-browser-helpers": "^0.7.0"
+    "ts-browser-helpers": "^0.8.0"
   },
   "//": {
     "dependencies": {
       "uiconfig.js": "^0.0.6",
-      "ts-browser-helpers": "^0.7.0",
+      "ts-browser-helpers": "^0.8.0",
       "three": "https://github.com/repalash/three.js-modded/releases/download/v0.152.2012/package.tgz",
       "three-f": "https://github.com/repalash/three.js-modded/archive/refs/tags/v0.152.2012.tar.gz",
       "@types/three": "https://github.com/repalash/three-ts-types/releases/download/v0.152.1011/package.tgz",

plugins/tweakpane-editor/package-lock.json

 {
     "name": "@threepipe/plugin-tweakpane-editor",
-    "version": "0.1.0",
+    "version": "0.1.1",
     "lockfileVersion": 2,
     "requires": true,
     "packages": {
         "": {
             "name": "@threepipe/plugin-tweakpane-editor",
-            "version": "0.1.0",
+            "version": "0.1.1",
             "license": "Apache-2.0",
             "dependencies": {
                 "@threepipe/plugin-tweakpane": "file:./../tweakpane/src/",

plugins/tweakpane/package-lock.json

 {
     "name": "@threepipe/plugin-tweakpane",
-    "version": "0.1.0",
+    "version": "0.1.1",
     "lockfileVersion": 2,
     "requires": true,
     "packages": {
         "": {
             "name": "@threepipe/plugin-tweakpane",
-            "version": "0.1.0",
+            "version": "0.1.1",
             "license": "Apache-2.0",
             "dependencies": {
                 "threepipe": "file:./../../src/"

src/materials/MaterialExtender.ts

 import {IMaterial, IMaterialUserData} from '../core'
-import {getOrCall} from 'ts-browser-helpers'
+import {getOrCall, objectMap} from 'ts-browser-helpers'
 import {shaderReplaceString} from '../utils/shader-helpers'
 import {Object3D, Shader, WebGLRenderer} from 'three'
 import {MaterialExtension} from './MaterialExtension'
         }
         // Add extra uniforms
         if (materialExtension.extraUniforms) {
-            shader.uniforms = Object.assign(shader.uniforms, materialExtension.extraUniforms)
+            shader.uniforms = Object.assign(shader.uniforms, objectMap(materialExtension.extraUniforms, (v)=>getOrCall(v, shader) || {value: null}))
         }
         // Add extra defines and set needsUpdate to true if needed
         if (materialExtension.extraDefines)
     static CacheKeyForExtension(material: IMaterial, materialExtension: MaterialExtension): string {
         let r = ''
         if (materialExtension.computeCacheKey) r += getOrCall(materialExtension.computeCacheKey, material)
-        if (materialExtension.extraDefines) r += Object.values(materialExtension.extraDefines).join('')
+        if (materialExtension.extraDefines) r += Object.values(materialExtension.extraDefines).map(v=>getOrCall(v) ?? '').join('')
         return r
     }
 
     }
 }
 
-function updateMaterialDefines(defines: any, material: IMaterial) {
+function updateMaterialDefines(defines: MaterialExtension['extraDefines'], material: IMaterial) {
+    if (!defines) return
     if (!material.defines) {
         console.warn('Material does not have defines', material) // todo: check when material.defines is undefined
         material.defines = {}
     }
     let flag = false
     const entries = Object.entries(defines)
-    for (const [key, val] of entries) {
+    for (const [key, valF] of entries) {
+        const val = getOrCall(valF)
         if (val === undefined) {
             if (material.defines[key] !== undefined) {
                 delete material.defines[key]

src/materials/MaterialExtension.ts

 import {IUniform, Object3D, Shader, WebGLRenderer} from 'three'
 import {IMaterial} from '../core'
 import {UiObjectConfig} from 'uiconfig.js'
+import {ValOrFunc} from 'ts-browser-helpers'
 
 /**
  * Material extension interface
     /**
      * Extra uniforms to copy to material
      */
-    extraUniforms?: {[uniform: string]: IUniform};
+    extraUniforms?: {[uniform: string]: ValOrFunc<IUniform>};
 
     /**
      * Extra defines to copy to material
      */
-    extraDefines?: Record<string, number|string>;
+    extraDefines?: Record<string, ValOrFunc<number|string|undefined>>;
 
     /**
      * Custom callback to extend/modify/replace shader code and other shader properties

src/viewer/ThreeViewer.ts

         })
     }
 
+    /**
+     * Export the scene to a file (default: glb with viewer config) and return a blob
+     * @param options
+     */
     async exportScene(options?: ExportFileOptions): Promise<BlobExt | undefined> {
         return this.assetManager.exporter.exportObject(this._scene.modelRoot, options)
     }