Adding Rigs of Rods.

Basically it builds, but I still don't know how to run it. I imagine the
installPhase is still too poor, but it's better than nothing.

I also added two mygui versions. That stable, and that required by Rigs of Roads (svn).

svn path=/nixpkgs/trunk/; revision=26618

pkgs/games/rigsofrods/default.nix

@@ -0,0 +1,45 @@
+{ fetchsvn, stdenv, wxGTK28, freeimage, cmake, zziplib, mesa, boost, pkgconfig,
+  libuuid, lua5, openal, ogre, ois, curl, gtk, pixman, mygui }:
+
+stdenv.mkDerivation rec {
+  version = "1780";
+  name = "rigsofroads-svn-${version}";
+
+  src = fetchsvn {
+    url = https://rigsofrods.svn.sourceforge.net/svnroot/rigsofrods/trunk;
+    rev = version;
+    sha256 = "1i557jc79jpg79kg0gk5a7zsd2m42x89v9q83kzywrzzp1x5imp3";
+  };
+
+  enableParallelBuilding = true;
+
+  cmakeFlags = [
+    "-DROR_USE_LUA=TRUE" "-DLUA_LIBRARIES=${lua5}/lib/liblua.a"
+    "-DROR_USE_CURL=TRUE"
+    "-DROR_USE_MYGUI=TRUE"
+    # "-DROR_USE_OPNEAL=TRUE"
+    # "-DROR_USE_MOFILEREADER=TRUE"
+    # "-DROR_USE_CAELUM=TRUE"
+    # "-DROR_USE_PAGED=TRUE"
+    # "-DROR_USE_ANGELSCRIPT=TRUE"
+    # "-DROR_USE_SOCKETW=TRUE"
+  ];
+
+  installPhase = ''
+    ensureDir $out/bin
+    cp ../bin/RoR ../bin/rorconfig $out/bin
+  '';
+
+  patches = [ ./wx.patch ];
+
+  buildInputs = [ wxGTK28 freeimage cmake zziplib mesa boost pkgconfig
+    libuuid lua5 openal ogre ois curl gtk mygui ];
+
+  meta = {
+    description = "3D simulator game where you can drive, fly and sail various vehicles";
+    homepage = http://rigsofrods.sourceforge.net/;
+    license = "GPLv3";
+    maintainers = with stdenv.lib.maintainers; [viric];
+    platforms = with stdenv.lib.platforms; linux;
+  };
+}

pkgs/games/rigsofrods/wx.patch

@@ -0,0 +1,13 @@
+diff --git a/source/configurator/configurator.cpp b/source/configurator/configurator.cpp
+index c058820..5a4b316 100644
+--- a/source/configurator/configurator.cpp
++++ b/source/configurator/configurator.cpp
+@@ -2155,7 +2155,7 @@ void MyDialog::OnsightrangesliderScroll(wxScrollEvent &e)
+ 	int v = sightRange->GetValue();
+ 	if(v == sightRange->GetMax())
+ 	{
+-		s = "Unlimited";
++		s = _("Unlimited");
+ 	} else
+ 	{
+ 		s.Printf(wxT("%i m"), v);