Implement reading dynamic

source/ActorImage.js

@@ -1,9 +1,8 @@
 import ActorSkinnable from "./ActorSkinnable.js";
 import ActorDrawable from "./ActorDrawable.js";
-import {vec2, mat2d} from "gl-matrix";
+import {vec2} from "gl-matrix";
 import Graphics from "./Graphics.js";
 
-const White = [1.0, 1.0, 1.0, 1.0];
 export default class ActorImage extends ActorSkinnable(ActorDrawable)
 {
 	constructor()
@@ -12,6 +11,7 @@ export default class ActorImage extends ActorSkinnable(ActorDrawable)
 		this._AtlasIndex = -1;
 		this._NumVertices = 0;
 		this._Vertices = null;
+		this._DynamicUV = null;
 		this._Triangles = null;
 		this._IsInstance = false;
 
@@ -57,7 +57,7 @@ export default class ActorImage extends ActorSkinnable(ActorDrawable)
 		{
 			let v = worldVertices[i];
 			let x = v[0];
-			let y = v[1]
+			let y = v[1];
 			if(x < min_x)
 			{
 				min_x = x;
@@ -314,6 +314,7 @@ export default class ActorImage extends ActorSkinnable(ActorDrawable)
 		this._VertexStride = node._VertexStride;
 		this._Vertices = node._Vertices;
 		this._Triangles = node._Triangles;
+		this._DynamicUV = node._DynamicUV;
 		// N.B. actor.initialize must've been called before instancing.
 		this._VertexBuffer = node._VertexBuffer;
 		this._IndexBuffer = node._IndexBuffer;

source/ActorLoader.js

@@ -1377,6 +1377,18 @@ function _ReadActorImage(version, reader, component)
 		component._VertexStride = vertexStride;
 		component._Vertices = new Float32Array(numVertices * vertexStride);
 		reader.readFloat32Array(component._Vertices, "vertices");
+
+		// Version 24 includes packing the original UV coords if the
+		// image was marked for dynamic runtime swapping.
+		if (version >= 24) 
+		{
+			const isDynamic = reader.readBool("isDynamic");
+			if (isDynamic) 
+			{
+				component._DynamicUV = new Float32Array(numVertices*2);
+				reader.readFloat32Array(component._DynamicUV, "uv");
+			}
+		}
 
 		const numTris = reader.readUint32("numTriangles");
 		component._Triangles = new Uint16Array(numTris * 3);