improved unixy urls

buildroot-v86/board/v86/rootfs_overlay/root/.profile

@@ -31,7 +31,7 @@ test -f /root/.boot || {
  
   touch /root/.boot # make sure we run below once
 
-  # add menu items
+  # add menu items https://xrsh.isvery.ninja/#Launcher%20menu
   find /root/.config/launcher -type f | while read item; do 
     js '
       let term = document.querySelector("[isoterminal]").components.isoterminal.term
@@ -59,5 +59,7 @@ test -f /root/.boot || {
   # uncomment to set location (3D scene file [with XR Fragments] ) 
   #require https://xrfragment.org/index.glb 
   #require https://coderofsalvation.github.io/xrsh-media/assets/background.glb
-  #
 }
+
+# auto-load /mnt/.env (if passed via AFRAME's isoterminal="overlayfs: boot.sh" e.g.
+test -f /mnt/.env && source /mnt/.env

buildroot-v86/board/v86/rootfs_overlay/root/bin/save

@@ -1,14 +1,53 @@
 #!/bin/sh
 source /etc/profile.sh
 
-javascript='
-  const isoterminal = document.querySelector("[isoterminal]").components.isoterminal.term
-  isoterminal.save()
-  return "[OK] xrsh state saved\n"
-'
+state(){
+  javascript='
+    const isoterminal = document.querySelector("[isoterminal]").components.isoterminal.term
+    isoterminal.save()
+    return "[OK] xrsh state saved\n"
+  '
+  
+  echo "[i] triggering ~/hook.d/save/* scripts"
+  hook save
+  echo "[i] warning: do not resize the browserwindow"
+  echo "[i] please wait.."
+  js "$javascript"
+  exit
+}
 
-echo "[i] triggering ~/hook.d/save/* scripts"
-hook save
-echo "[i] warning: do not resize the browserwindow"
-echo "[i] please wait.."
-js "$javascript"
+file(){
+  javascript='
+
+    filename='$1'
+
+    function saveUint8Array(uint8Array, filename = 'download.bin', mimeType = 'application/octet-stream') {
+      const blob = new Blob([uint8Array], { type: mimeType });
+      const url = URL.createObjectURL(blob);
+
+      const a = document.createElement('a');
+      a.href = url;
+      a.download = filename;
+
+      // Programmatically trigger the click event
+      document.body.appendChild(a);
+      a.click();
+      document.body.removeChild(a);
+
+      // Clean up the URL object
+      URL.revokeObjectURL(url);
+    }
+
+    let term = document.querySelector("[isoterminal]")
+    term.emit("read_file", [filename, (str,buf) > saveUint8Array(buf, filename) )
+  
+    return ""
+  '
+  hook save
+  js "$javascript"
+  exit
+}
+
+test -z "$1" && state
+test -n "$1" && file
+echo "Usage: save [file]      # pass no argument to save VM state to localStorage"

buildroot-v86/board/v86/rootfs_overlay/root/scene1/.env

@@ -1,2 +1,4 @@
+#!/bin/sh
+cd $(dirname $(readlink -f $0))
 echo "loading AFRAME glTF scene"
 cp index.html /root/index.html

buildroot-v86/board/v86/rootfs_overlay/root/scene1/.env.leave

@@ -0,0 +1 @@
+echo "" > /root/index.html # cleanup

buildroot-v86/board/v86/rootfs_overlay/root/scene2/.env

@@ -1,3 +1,5 @@
+#!/bin/sh
+cd $(dirname $(readlink -f $0))
 echo "loading THREE.js scene"
 echo "" > /root/index.html # empty scene
 cp index.js /root/index.js

buildroot-v86/board/v86/rootfs_overlay/root/scene2/.env.leave

@@ -0,0 +1,2 @@
+echo "" > /root/index.html # empty scene
+cp cleanup.js /root/index.js

buildroot-v86/board/v86/rootfs_overlay/root/scene2/cleanup.js

@@ -0,0 +1,3 @@
+const ascene = AFRAME.scenes[0]
+const scene  = ascene.object3D
+scene.getObjectByName("cube").remove()

buildroot-v86/board/v86/rootfs_overlay/root/scene2/index.js

@@ -4,6 +4,7 @@ const object = new THREE.Mesh(
 	new THREE.BoxGeometry(1, 1, 1),
 	new THREE.MeshBasicMaterial({ color: 0xff0000 })
 );
+object.name = "cube"
 object.position.set(0.3, 1.4, -0.4)
 object.scale.set(0.2,0.2,0.2)
 

buildroot-v86/board/v86/rootfs_overlay/root/scene3/.env

@@ -1,2 +1,4 @@
+#!/bin/sh
+cd $(dirname $(readlink -f $0))
 echo "loading AFRAME demo scene"
 cp index.html /root/index.html

buildroot-v86/board/v86/rootfs_overlay/root/scene3/.env.leave

@@ -0,0 +1 @@
+echo "" > /root/index.html # cleanup