From 599da39add7dc804a35f79bd1033a33d9ab048ac Mon Sep 17 00:00:00 2001
From: Ash Tyndall <git@atyndall.net>
Date: Sat, 8 Oct 2011 15:01:40 +0800
Subject: [PATCH] Completed menu functionality, added two functions roundUp and
 makeSubmenuFromArray to assist with this

---
 scene.c | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/scene.c b/scene.c
index 602dc49..f9df3c8 100644
--- a/scene.c
+++ b/scene.c
@@ -246,6 +246,12 @@ void processLightEvents(int id) {
 
 }
 
+/**
+ * Rounds up numbers, from http://stackoverflow.com/questions/3407012/c-rounding-up-to-the-nearest-multiple-of-a-number
+ * @param numToRound Number to round
+ * @param multiple Multiple to round up to
+ * @return Rounded number
+ */
 int roundUp(int numToRound, int multiple) {
   if(multiple == 0) {
     return numToRound;
@@ -257,6 +263,14 @@ int roundUp(int numToRound, int multiple) {
   return numToRound + multiple - remainder;
 }
 
+/**
+ * Makes a submenu from an array of items, splitting the list into subsubmenus
+ * of only 10 items.
+ * @param menuEntries Array of menu items
+ * @param menuEntriesSize Size of menuEntries
+ * @param callback Callback function for this array of menu items
+ * @return Reference to menu created
+ */
 int makeSubmenuFromArray( const char *menuEntries[], unsigned int menuEntriesSize, void *callback ) {
   if ( menuEntriesSize == 0 ) return -1;
 
@@ -270,7 +284,7 @@ int makeSubmenuFromArray( const char *menuEntries[], unsigned int menuEntriesSiz
       if ( j == menuEntriesSize ) break; // Detect if we've reached the end of the array
       glutAddMenuEntry( menuEntries[j], j + 1 );
     }
-  }
+  } 
 
   int mainMenu = glutCreateMenu(callback);
   for ( int i = 0; i < menuNumber; i++ ) {
-- 
2.20.1