buy/combine from vbox wip

server/src/vbox.rs

@@ -142,10 +142,16 @@ impl Vbox {
         Ok(self)
     }
 
-    pub fn combine(&mut self, mut inv_indices: Vec<usize>, mut vbox_indicies: Vec<Vec<usize>>) -> Result<&mut Vbox, Error> {
+    pub fn combine(&mut self, mut inv_indices: Vec<usize>, vbox_indicies: Vec<Vec<usize>>) -> Result<&mut Vbox, Error> {
         if !inv_indices.iter().all(|i| self.bound.get(*i).is_some()) {
             return Err(err_msg("item missing index"));
         }
+        // try to buy up the vbox indicies and add them to the inventory indicies for combining
+        for vi in vbox_indicies.iter() {
+            inv_indices.push(self.bound.len());
+            self.accept(vi[0], vi[1], Some(Uuid::nil()))?;
+        } 
+
         // have to sort the indices and keep track of the iteration
         // because when removing the elements the array shifts
         inv_indices.sort_unstable();