Formula for xu4 (Ultima 4 engine)

1 files changed, 87 insertions, 0 deletions

diff --git a/Library/Formula/xu4.rb b/Library/Formula/xu4.rb
new file mode 100644
index 000000000..c8e504824
--- /dev/null
+++ b/Library/Formula/xu4.rb
@@ -0,0 +1,87 @@
+require 'brewkit'
+
+# See src/doc/xu4MacOSXcvs.txt in the tarball for some explanation
+class Xu4 <Formula
+  url 'http://downloads.sourceforge.net/project/xu4/xu4/1.0beta3/xu4-1.0beta3.tar.gz'
+  homepage 'http://xu4.sourceforge.net/'
+  md5 'fa1abc27a2e77496109531bffc8cfe2b'
+  version '1.0beta3'
+  
+  depends_on 'sdl'
+  depends_on 'sdl_mixer'
+
+  def install
+    ENV.libpng
+    
+    # Download the resource zips
+    system "curl http://softlayer.dl.sourceforge.net/project/xu4/Ultima%20IV%20for%20DOS/1.01/ultima4-1.01.zip -O"
+    system "curl http://softlayer.dl.sourceforge.net/project/xu4/Ultima%204%20VGA%20Upgrade/1.3/u4upgrad.zip -O"
+    
+    Dir.chdir 'src' do
+      # Get the SDL prefix...
+      sdl_prefix=(`sdl-config --prefix`).strip
+
+      # ...so we can copy the ObjC main files.
+      `cp -R #{sdl_prefix}/libexec/* macosx`
+      
+      # Use whatever compilers we want...
+      inreplace "Makefile.macosx", "CC=gcc", ""
+      inreplace "Makefile.macosx", "CXX=g++", ""
+      
+      # ...but fix an error from gcc >= 4.1
+      inreplace "imagemgr.h", 
+        "SubImage *ImageMgr::getSubImage(const std::string &name);",
+        "SubImage *getSubImage(const std::string &name);"
+      
+      # Set our prefix
+      # I don't think this is actually used in the mac build --adamv
+      inreplace "Makefile", "prefix=/usr/local", "prefix=#{prefix}"
+      
+      # Use libpng from the system X11 folder
+      # These next 2 replaces are pointless but
+      # I don't want to break the syntax of the Makefile
+      # by leaving it with trailing \ continuations.
+      inreplace "Makefile.macosx",
+        "LIBPNGDIR=../../libpng", "LIBPNGDIR=/usr/X11/lib"
+        
+      inreplace "Makefile.macosx",
+        "-I$(LIBPNGDIR)", "-I/usr/X11/include"
+        
+      # Use X11 provided libpng
+      inreplace "Makefile.macosx",
+        "$(LIBPNGDIR)/libpng.a", "-lpng"
+      
+      # Too bad xu4 doesn't just do #include <SDL/SDL.h>
+      # Slot in the SDL include path
+      inreplace "Makefile.macosx",
+        "-I/Library/Frameworks/SDL.framework/Headers",
+        "-I#{sdl_prefix}/include/SDL"
+        
+      # Use "lib" versions of SDL, not Frameworks
+      inreplace "Makefile.macosx",
+        "-framework SDL", "-lSDL"
+        
+      inreplace "Makefile.macosx",
+        "-framework SDL_mixer", "-lSDL_mixer"
+
+      # Fix the u4 zip location
+      inreplace "Makefile.macosx", "../../ultima4.zip", "../ultima4-1.01.zip"
+      inreplace "Makefile.macosx", "../../u4upgrad.zip", "../u4upgrad.zip"
+      
+      # Build the .app right in the source tree; we've moving it later anyway
+      inreplace "Makefile.macosx",
+        "BUNDLE_CONTENTS=../../xu4.app/Contents",
+        "BUNDLE_CONTENTS=xu4.app/Contents"
+
+      system "make -f Makefile.macosx"
+      system "make -f Makefile.macosx install"
+      
+      # Move the completed app bundle
+      libexec.install "xu4.app"
+    end
+  end
+  
+  def caveats
+    "xu4.app installed to #{libexec}"
+  end
+end