fix sound in minecraft for pulseaudio users

pkgs/games/minecraft/default.nix

@@ -1,5 +1,5 @@
 { stdenv, fetchurl, jre, libX11, libXext, libXcursor, libXrandr, libXxf86vm
-, mesa, openal, alsaOss }:
+, mesa, openal, alsaOss, pulseaudioSupport ? false, pulseaudio }:
 
 assert jre ? architecture;
 
@@ -23,7 +23,8 @@ stdenv.mkDerivation {
 
     # wrapper for minecraft
     export LD_LIBRARY_PATH=\$LD_LIBRARY_PATH:${jre}/lib/${jre.architecture}/:${libX11}/lib/:${libXext}/lib/:${libXcursor}/lib/:${libXrandr}/lib/:${libXxf86vm}/lib/:${mesa}/lib/:${openal}/lib/
-    ${alsaOss}/bin/aoss ${jre}/bin/java -jar $out/minecraft.jar
+    ${if pulseaudioSupport then "${pulseaudio}/bin/padsp" else "${alsaOss}/bin/aoss" } \
+      ${jre}/bin/java -jar $out/minecraft.jar
     EOF
 
     chmod +x $out/bin/minecraft

pkgs/servers/pulseaudio/default.nix

@@ -3,7 +3,8 @@
 , bluez, sbc, udev, libcap, json_c
 , jackaudioSupport ? false, jack2 ? null
 , x11Support ? false, xlibs
-, useSystemd ? false, systemd ? null }:
+, useSystemd ? false, systemd ? null
+, ossWrapper ? false }:
 
 assert jackaudioSupport -> jack2 != null;
 
@@ -49,11 +50,13 @@ stdenv.mkDerivation rec {
     "--disable-solaris"
     "--disable-jack"
     "--disable-oss-output"
-    "--disable-oss-wrapper"
+  ] ++ stdenv.lib.optional (!ossWrapper) "--disable-oss-wrapper" ++
+  [
     "--localstatedir=/var"
     "--sysconfdir=/etc"
     "--with-access-group=audio"
-  ] ++ stdenv.lib.optional jackaudioSupport "--enable-jack"
+  ]
+    ++ stdenv.lib.optional jackaudioSupport "--enable-jack"
     ++ stdenv.lib.optional stdenv.isDarwin "--with-mac-sysroot=/";
 
   enableParallelBuilding = true;

pkgs/top-level/all-packages.nix

@@ -1628,7 +1628,10 @@ let
 
   mfoc = callPackage ../tools/security/mfoc { };
 
-  minecraft = callPackage ../games/minecraft { };
+  minecraft = callPackage ../games/minecraft {
+    pulseaudioSupport = config.pulseaudio or true;
+    pulseaudio = pulseaudio.override { ossWrapper = true; };
+  };
 
   minecraft-server = callPackage ../games/minecraft-server { };