From b7d74c6c0b477b887db65d492af181901ffb1fab Mon Sep 17 00:00:00 2001
From: "Devin J. Pohly" <djpohly@gmail.com>
Date: Sun, 24 Mar 2013 00:01:40 -0400
Subject: [PATCH 1/3] Register MusicWheel as a Lua class.

Now Lua functions on MusicWheel actually exist.
---
 src/MusicWheel.cpp | 3 +++
 src/MusicWheel.h   | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/src/MusicWheel.cpp b/src/MusicWheel.cpp
index 64e7650185..5066e23311 100644
--- a/src/MusicWheel.cpp
+++ b/src/MusicWheel.cpp
@@ -1657,6 +1657,9 @@ public:
 	}
 };
 
+LUA_REGISTER_DERIVED_CLASS( MusicWheel, WheelBase )
+// lua end
+
 /*
  * (c) 2001-2004 Chris Danford, Chris Gomez, Glenn Maynard
  * All rights reserved.
diff --git a/src/MusicWheel.h b/src/MusicWheel.h
index bbe64c2b91..03c1dae0c6 100644
--- a/src/MusicWheel.h
+++ b/src/MusicWheel.h
@@ -50,6 +50,9 @@ public:
 	RString JumpToPrevGroup();
 	const MusicWheelItemData *GetCurWheelItemData( int i ) { return (const MusicWheelItemData *) m_CurWheelItemData[i]; }
 
+	// Lua
+	void PushSelf( lua_State *L );
+
 protected:
 	MusicWheelItem *MakeItem();
 

From 4c2bfd7dc9bc53647ffc70698706418d64fde422 Mon Sep 17 00:00:00 2001
From: "Devin J. Pohly" <djpohly@gmail.com>
Date: Sun, 24 Mar 2013 00:12:17 -0400
Subject: [PATCH 2/3] Add ChangeSort method to Lua MusicWheel

---
 Docs/Luadoc/LuaDocumentation.xml |  3 +++
 src/MusicWheel.cpp               | 11 +++++++++++
 2 files changed, 14 insertions(+)

diff --git a/Docs/Luadoc/LuaDocumentation.xml b/Docs/Luadoc/LuaDocumentation.xml
index 74cd2bb243..fab6b8e330 100644
--- a/Docs/Luadoc/LuaDocumentation.xml
+++ b/Docs/Luadoc/LuaDocumentation.xml
@@ -2610,6 +2610,9 @@ save yourself some time, copy this for undocumented things:
 	</Function>
 </Class>
 <Class name='MusicWheel'>
+	<Function name='ChangeSort' return='bool' arguments='SortOrder so'>
+		Changes the sort order of the wheel.  Returns <code>true</code> if the order was changed.
+	</Function>
 	<Function name='IsRouletting' return='bool' arguments=''>
 		Returns <code>true</code> if the MusicWheel is currently handling Roulette selection.
 	</Function>
diff --git a/src/MusicWheel.cpp b/src/MusicWheel.cpp
index 5066e23311..7c2999724c 100644
--- a/src/MusicWheel.cpp
+++ b/src/MusicWheel.cpp
@@ -1626,6 +1626,16 @@ void MusicWheel::FinishChangingSorts()
 class LunaMusicWheel: public Luna<MusicWheel>
 {
 public:
+	static int ChangeSort( T* p, lua_State *L )
+	{
+		if( lua_isnil(L,1) ) { lua_pushboolean( L, false ); }
+		else
+		{
+			SortOrder so = Enum::Check<SortOrder>(L, 1);
+			lua_pushboolean( L, p->ChangeSort( so ) );
+		}
+		return 1;
+	}
 	static int IsRouletting( T* p, lua_State *L ){ lua_pushboolean( L, p->IsRouletting() ); return 1; }
 	static int SelectSong( T* p, lua_State *L )
 	{
@@ -1651,6 +1661,7 @@ public:
 
 	LunaMusicWheel()
 	{
+		ADD_METHOD( ChangeSort );
 		ADD_METHOD( IsRouletting );
 		ADD_METHOD( SelectSong );
 		ADD_METHOD( SelectCourse );

From 2caf3890a3d4aad58db3fe1966892d91c575f144 Mon Sep 17 00:00:00 2001
From: "Devin J. Pohly" <djpohly@gmail.com>
Date: Sun, 24 Mar 2013 12:54:46 -0400
Subject: [PATCH 3/3] Mention MusicWheel.ChangeSort in changelog

---
 Docs/Changelog_sm5.txt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Docs/Changelog_sm5.txt b/Docs/Changelog_sm5.txt
index 3146997e4c..4e4ef035af 100644
--- a/Docs/Changelog_sm5.txt
+++ b/Docs/Changelog_sm5.txt
@@ -8,6 +8,11 @@ ________________________________________________________________________________
 StepMania 5.0 beta 2 | 20130???
 --------------------------------------------------------------------------------
 
+2013/03/24
+----------
+* [MusicWheel] Add the ChangeSort method to the Lua interface to allow the
+  theme to switch sorting methods.
+
 2013/02/04
 ----------
 * [Player] Add a "Column" parameter to the StepMessage to allow the theme or