Niagara and Metasound nodes WIP

* Keep track of entities

* Fix renaming

* Niagara variables wip

* Several niagara decode and test

* Move nodeTemplate code to dedicated file, self node added

* Move node decoding functions to dedicated files

* Move pin decoding logic to dedicated files

* Accept space separated keys in objects

* Build

* Prevent a crash in case of incomplete object

* Avoid creating objects unnecessarily

* types formatting

* Initial metasound style

* Common pcg nodes colors

* Fix string serialization

* Metasound new styles and fixes

* More metasound styles and colors

* WIP

* Several fixes

* More tests and fixes

* Clean gitignore

js/input/common/Copy.js

@@ -1,5 +1,5 @@
-import IInput from "../IInput.js"
 import ObjectSerializer from "../../serialization/ObjectSerializer.js"
+import IInput from "../IInput.js"
 
 /**
  * @typedef {import("../IInput.js").Options & {
@@ -32,10 +32,15 @@ export default class Copy extends IInput {
     }
 
     getSerializedText() {
-        return this.blueprint
-            .getNodes(true)
-            .map(node => Copy.#serializer.write(node.entity, false))
-            .join("")
+        const allNodes = this.blueprint.getNodes(true).map(n => n.entity)
+        const exported = allNodes.filter(n => n.isExported).map(n => Copy.#serializer.write(n, false))
+        const result = allNodes.filter(n => !n.isExported).map(n => Copy.#serializer.write(n, false))
+        if (exported.length) {
+            this.blueprint.entity.ExportedNodes = btoa(exported.join(""))
+            result.splice(0, 0, Copy.#serializer.write(this.blueprint.entity, false))
+            delete this.blueprint.entity.ExportedNodes
+        }
+        return result.join("")
     }
 
     copied() {

js/input/common/Cut.js

@@ -1,5 +1,5 @@
-import IInput from "../IInput.js"
 import ObjectSerializer from "../../serialization/ObjectSerializer.js"
+import IInput from "../IInput.js"
 
 /**
  * @typedef {import("../IInput.js").Options & {

js/input/common/Paste.js

@@ -62,6 +62,6 @@ export default class Paste extends IInput {
             node.setSelected(true)
         })
         this.blueprint.addGraphElement(...nodes)
-        return true
+        return nodes
     }
 }