From 7ed7e896e184a1cdec6bf7585a017d41b1dbd6a3 Mon Sep 17 00:00:00 2001
From: Ian Scott <ian@polpo.org>
Date: Tue, 20 Jan 2015 15:50:40 -0800
Subject: [PATCH] Handle cases where depths appear multiple times

---
 lib/handshake.js | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/lib/handshake.js b/lib/handshake.js
index 254837b..1abb9a4 100644
--- a/lib/handshake.js
+++ b/lib/handshake.js
@@ -46,7 +46,14 @@ function readDepths(bl, display, depths, n_depths, cb)
         var visuals = {};
         readVisuals(bl, visuals, n_visuals, function()
         {
-            depths[dep] = visuals;
+            if (dep in depths) {
+                for (var visual in visuals) {
+                    depths[dep][visual] = visuals[visual];
+                }
+                n_depths--;
+            } else {
+                depths[dep] = visuals;
+            }
             if (Object.keys(depths).length == n_depths)
                 cb();
             else