fix stack printing

src/main.lua

@@ -883,6 +883,7 @@ while true do
         else
             local buf,dimensions = load(name)
             local stacks = VP_createstack(buf, dimensions)
+            local height = stacks["height"]
             print("Stacks created.")
             local code = randomstr(5)
             print("Pair code: '"..code.."'")
@@ -939,7 +940,12 @@ while true do
                 rednet.send(v, {}, "HB_vprint_begin")
             end
 
-            VP_printstack(stacks[expam+1],dimensions, 1,1,1,0)
+            local ownstack = {
+                stacks=stacks[expam+1],
+                dimensions=dimensions,
+                height=height
+            }
+            VP_printstack(ownstack,dimensions, 1,1,1,0)
         end
     end
     if action == 4 then
@@ -952,6 +958,7 @@ while true do
         local masterid = 0
         local buf = {}
         local dimensions = {}
+        local height = 0
         local cx,cz = 0,0
 
         while true do -- await pairing request and respond
@@ -970,6 +977,7 @@ while true do
                 until id == masterid
                 buf = msg["stack"]
                 dimensions = msg["dimensions"]
+                height = msg["height"]
                 break
             end
         end
@@ -983,7 +991,13 @@ while true do
         repeat -- wait until we can begin
             id = rednet.receive("HB_vprint_begin")
         until id == masterid
-        VP_printstack(buf,dimensions, cx,1,cz,0)
+
+        local ownstack = {
+            stacks=buf,
+            dimensions=dimensions,
+            height=height
+        }
+        VP_printstack(ownstack,dimensions, cx,1,cz,0)
     end
     if action == 5 then
         shell.run("rm", "main.lua")