Groundwork support to export shaders

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@shaderfrog/core",
-  "version": "3.2.0",
+  "version": "4.0.0",
   "description": "Shaderfrog core",
   "type": "module",
   "files": [
@@ -37,8 +37,10 @@
     "@shaderfrog/glsl-parser": "^7.0.1",
     "@swc/core": "^1.6.7",
     "@types/lodash.groupby": "^4.6.7",
+    "@types/node": "^20.1.2",
     "@types/three": "^0.169.0",
     "babylonjs": "^6.2.0",
+    "playcanvas": "^1.65.3",
     "prettier": "^3.3.2",
     "three": "^0.169.0",
     "typescript": "^5.5.3",

src/engine.ts

@@ -31,23 +31,23 @@ export type PhongNodeConstructor = (
   name: string,
   position: NodePosition,
   uniforms: UniformDataType[],
-  stage: ShaderStage | undefined
+  stage: ShaderStage | undefined,
 ) => CodeNode;
 
 export type PhysicalNodeConstructor = (
   id: string,
   name: string,
   position: NodePosition,
   uniforms: UniformDataType[],
-  stage: ShaderStage | undefined
+  stage: ShaderStage | undefined,
 ) => CodeNode;
 
 export type ToonNodeConstructor = (
   id: string,
   name: string,
   position: NodePosition,
   uniforms: UniformDataType[],
-  stage: ShaderStage | undefined
+  stage: ShaderStage | undefined,
 ) => CodeNode;
 
 export interface Engine {
@@ -90,18 +90,12 @@ export type EngineContext<T = any> = {
   engine: string;
   nodes: Record<string, NodeContext>;
   runtime: T;
-  debuggingNonsense: {
-    vertexSource?: string;
-    vertexPreprocessed?: string;
-    fragmentPreprocessed?: string;
-    fragmentSource?: string;
-  };
 };
 
 export const extendNodeContext = (
   context: EngineContext,
   nodeId: string,
-  nodeContext: Partial<NodeContext>
+  nodeContext: Partial<NodeContext>,
 ) => ({
   ...context,
   nodes: {
@@ -114,7 +108,7 @@ export const extendNodeContext = (
 });
 export const extendNodesContext = (
   context: EngineContext,
-  nodesContext: NodeContexts
+  nodesContext: NodeContexts,
 ) => ({
   ...context,
   nodes: {
@@ -128,7 +122,7 @@ export type EngineImporter = {
     ast: Program,
     options?: Record<string, unknown> & {
       type?: ShaderStage;
-    }
+    },
   ): void;
   nodeInputMap: Partial<Record<EngineNodeType, Record<string, string | null>>>;
   edgeMap: { [oldInput: string]: string };
@@ -143,7 +137,7 @@ export type EngineImporters = {
 
 export const convertNode = (
   node: SourceNode,
-  converter: EngineImporter
+  converter: EngineImporter,
 ): SourceNode => {
   log(`Converting ${node.name} (${node.id})`);
   const preprocessed = preprocess(node.source, {
@@ -166,12 +160,12 @@ export const convertNode = (
 export const convertToEngine = (
   oldEngine: Engine,
   newEngine: Engine,
-  graph: Graph
+  graph: Graph,
 ): Graph => {
   const converter = newEngine.importers[oldEngine.name];
   if (!converter) {
     throw new Error(
-      `The engine ${newEngine.name} has no importer for ${oldEngine.name}`
+      `The engine ${newEngine.name} has no importer for ${oldEngine.name}`,
     );
   }
 
@@ -194,12 +188,12 @@ export const convertToEngine = (
             source.name,
             source.position,
             source.config.uniforms,
-            source.stage
+            source.stage,
           );
         // Bail if no conversion
       } else {
         throw new Error(
-          `Can't convert ${oldEngine.name} to ${newEngine.name} because ${newEngine.name} does not have a "${node.type}" constructor`
+          `Can't convert ${oldEngine.name} to ${newEngine.name} because ${newEngine.name} does not have a "${node.type}" constructor`,
         );
       }
     } else if (NodeType.SOURCE === node.type) {
@@ -224,7 +218,7 @@ export const convertToEngine = (
             edge.input,
             'as there is no edge mapping in the',
             newEngine.name,
-            'importer'
+            'importer',
           );
           edgeUpdates[edge.id] = null;
         }
@@ -277,7 +271,7 @@ export type DefaultPropertySetter = (p: NodeProperty) => any;
 export const collectInitialEvaluatedGraphProperties = (
   engine: Engine,
   graph: Graph,
-  defaultPropertySetting: DefaultPropertySetter
+  defaultPropertySetting: DefaultPropertySetter,
 ) => {
   const graphProperties: Record<string, any> = {};
 
@@ -294,7 +288,7 @@ export const collectInitialEvaluatedGraphProperties = (
       // predicate search enforces
       const input = i as NodeInput & { property: string };
       const edge = graph.edges.find(
-        ({ to, input: i }) => to === node.id && i === input.id
+        ({ to, input: i }) => to === node.id && i === input.id,
       );
       // In the case where a node has been deleted from the graph,
       // dataInputs won't have been udpated until a recompile completes
@@ -306,7 +300,7 @@ export const collectInitialEvaluatedGraphProperties = (
           // Find the corresponding property on the node and get the default
           // setting
           const property = (node.config.properties || []).find(
-            (p) => p.property === input.property
+            (p) => p.property === input.property,
           );
           if (property) {
             graphProperties[input.property] = defaultPropertySetting(property);
@@ -320,7 +314,7 @@ export const collectInitialEvaluatedGraphProperties = (
             graphProperties[input.property] = evaluateNode(
               engine,
               graph,
-              fromNode
+              fromNode,
             );
           } catch (err) {
             console.error('Tried to evaluate a non-data node!', {

src/graph/graph.test.ts

@@ -179,7 +179,6 @@ void main() {
     engine: 'three',
     nodes: {},
     runtime: {},
-    debuggingNonsense: {},
   };
 
   const result = await compileSource(graph, engine, engineContext);
@@ -236,7 +235,6 @@ void main() {
     engine: 'three',
     nodes: {},
     runtime: {},
-    debuggingNonsense: {},
   };
 
   const result = await compileSource(graph, engine, engineContext);
@@ -313,7 +311,6 @@ void main() {
     engine: 'three',
     nodes: {},
     runtime: {},
-    debuggingNonsense: {},
   };
   const preserver = { ...engine, preserve: new Set<string>(['vUv']) };
 
@@ -388,7 +385,6 @@ void main() {
     engine: 'three',
     nodes: {},
     runtime: {},
-    debuggingNonsense: {},
   };
 
   const result = await compileSource(graph, engine, engineContext);
@@ -449,7 +445,6 @@ void main() {
     engine: 'three',
     nodes: {},
     runtime: {},
-    debuggingNonsense: {},
   };
 
   const result = await compileSource(graph, engine, engineContext);
@@ -503,7 +498,6 @@ void main() {
     engine: 'three',
     nodes: {},
     runtime: {},
-    debuggingNonsense: {},
   };
 
   const result = await compileSource(graph, engine, engineContext);
@@ -546,7 +540,6 @@ void main() {
     engine: 'three',
     nodes: {},
     runtime: {},
-    debuggingNonsense: {},
   };
 
   const result = await compileSource(graph, engine, engineContext);