From c588fe79c93c24a25ab1967a473f91a64e7aeb70 Mon Sep 17 00:00:00 2001
From: Sven Eberhardt <sven2@goldwipf.de>
Date: Sun, 30 Aug 2015 15:12:34 -0400
Subject: [PATCH] Unpack Music.ocg in Windows installer.

Currently, all music pieces are kept in memory to avoid random group access, which is a bit excessive for the larger music pack. This change will allow runtime music loads without too much delay.
---
 tools/install/oc.nsi | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tools/install/oc.nsi b/tools/install/oc.nsi
index db3515478..84c9938b9 100644
--- a/tools/install/oc.nsi
+++ b/tools/install/oc.nsi
@@ -234,6 +234,10 @@ Section
   ; Do this after the other installation tasks so everything is in order if the user cancels during downloading.
   Call MusicPackDownload
   Call MusicPackInstall
+  
+  ; Unpack Music.ocg for faster music switching (regardless if it's the regular or the extended pack)
+  DetailPrint "Unpacking Music file..."
+  ExecShell "open" "$INSTDIR\c4group.exe" "Music.ocg -u" SW_HIDE
 
 SectionEnd