External objects. Not quite right, customizations aren't being applied yet

objects/IKE020001_obj/IKEA-Arild_2_Seat_Sofa-3D.mtl

@@ -0,0 +1,28 @@
+# 3ds Max Wavefront OBJ Exporter v0.97b - (c)2007 guruware
+# ´´½¨µÄÎļş:12.01.2012 11:15:13
+
+newmtl Material__28
+	Ns 0.0000
+	Ni 1.5000
+	d 1.0000
+	Tr 0.0000
+	Tf 1.0000 1.0000 1.0000 
+	illum 2
+	Ka 0.0706 0.0706 0.0706
+	Kd 0.0706 0.0706 0.0706
+	Ks 0.1800 0.1800 0.1800
+	Ke 0.0071 0.0071 0.0071
+	map_Ka maps\Fabrics.Linen.jpg
+	map_Kd maps\Fabrics.Linen.jpg
+
+newmtl 02___Default
+	Ns 10.0000
+	Ni 1.5000
+	d 1.0000
+	Tr 0.0000
+	Tf 1.0000 1.0000 1.0000 
+	illum 2
+	Ka 0.6196 0.6196 0.6196
+	Kd 0.6196 0.6196 0.6196
+	Ks 1.1465 1.1465 1.1465
+	Ke 0.2169 0.2169 0.2169

protocols/schemas/shapes.prs

@@ -4,12 +4,13 @@ Sprite = <sprite @name string @shape Shape> .
 
 Shape = Mesh / Light / Scale / Move / Rotate / @many [Shape ...] / Texture / Color / Name / Floor / Nonphysical / Touchable / CSG / Skybox .
 
-Mesh = Sphere / Box / Ground / Plane .
+Mesh = Sphere / Box / Ground / Plane / External .
 
 Sphere = <sphere> .
 Box = <box> .
-Plane = <plane> .
 Ground = <ground @size Vector2> .
+Plane = <plane> .
+External = <external @path string> .
 
 Light = <hemispheric-light @v Vector3> .
 

scene/lobby.pr

@@ -66,6 +66,11 @@
      <color 0.5 0.5 0.0
       <box>>>>>>>
 
+<sprite "sofa"
+ <rotate <v -0.125 0.5 0.0>
+  <scale <v 0.01 0.01 0.01>
+   <external "objects/IKE020001_obj/IKEA-Arild_2_Seat_Sofa-3D.obj">>>>
+
 <sprite "x"
  <move <v 10.0 1.6 -5.0>
   <texture ["textures/oak-herringbone-5e80fb40b00c9-1200.jpg"

src/shapes.ts

@@ -11,6 +11,7 @@ import {
     PhotoDome,
     Quaternion,
     Scene,
+    SceneLoader,
     StandardMaterial,
     Texture,
     TransformNode,
@@ -178,7 +179,11 @@ function releaseTexture(entry: CachedTexture) {
     }
 }
 
-export function buildMesh(name: string, scene: Scene | null, meshSpec: Shapes.Mesh): Mesh {
+export function buildMesh(
+    name: string,
+    scene: Scene | null,
+    meshSpec: Shapes.Mesh,
+): Mesh {
     switch (meshSpec._variant) {
         case "Sphere": return MeshBuilder.CreateSphere(name, {}, scene);
         case "Box": return MeshBuilder.CreateBox(name, {}, scene);
@@ -187,6 +192,20 @@ export function buildMesh(name: string, scene: Scene | null, meshSpec: Shapes.Me
             return MeshBuilder.CreateGround(name, { width: v.x, height: v.y }, scene ?? void 0);
         }
         case "Plane": return MeshBuilder.CreatePlane(name, {}, scene);
+        case "External": {
+            const primary = new Mesh(name, scene);
+            SceneLoader.ImportMesh(
+                "",
+                meshSpec.value.path,
+                void 0,
+                scene,
+                meshes => meshes.forEach(m => {
+                    m.parent = primary;
+                    console.log('adding submesh');
+                }));
+            console.log('returning primary');
+            return primary;
+        }
     }
 }
 
@@ -325,16 +344,6 @@ export function build(name: string, scene: Scene, shape: Shapes.Shape, customize
     }
 }
 
-function emptyCSG(): CSG {
-    const c = new CSG();
-    c.matrix = Matrix.Identity();
-    c.position = Vector3.Zero();
-    c.rotation = Vector3.Zero();
-    c.scaling = Vector3.Zero();
-    c.rotationQuaternion = null;
-    return c;
-}
-
 export function buildCSG(expr: Shapes.CSGExpr): CSG {
     function walk(expr: Shapes.CSGExpr, matrix: Matrix): CSG {
         switch (expr._variant) {