gnu: Add warsow-qfusion.

* gnu/packages/patches/warsow-qfusion-fix-bool-return-type.patch: New file.
* gnu/local.mk: Include patch.
* gnu/packages/game-development.scm (warsow-qfusion): New variable.

gnu/local.mk

@@ -1539,6 +1539,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/vsearch-unbundle-cityhash.patch		\
   %D%/packages/patches/vte-CVE-2012-2738-pt1.patch			\
   %D%/packages/patches/vte-CVE-2012-2738-pt2.patch			\
+  %D%/packages/patches/warsow-qfusion-fix-bool-return-type.patch	\
   %D%/packages/patches/weasyprint-library-paths.patch		\
   %D%/packages/patches/websocketpp-fix-for-boost-1.70.patch	\
   %D%/packages/patches/wicd-bitrate-none-fix.patch		\

gnu/packages/game-development.scm

@@ -38,6 +38,7 @@
 
 (define-module (gnu packages game-development)
   #:use-module (srfi srfi-1)
+  #:use-module (ice-9 match)
   #:use-module ((guix licenses) #:prefix license:)
   #:use-module (guix packages)
   #:use-module (guix download)
@@ -2225,3 +2226,83 @@ (define-public libtcod
 developers providing an advanced true color console, input, and lots of other
 utilities frequently used in roguelikes.")
     (license license:bsd-3)))
+
+(define-public warsow-qfusion
+  ;; As of 2020-04-09, the latest stable version 2.1.0 is deprecated.
+  ;; The 2.5 beta as published on the homepage is commit
+  ;; c4de15df559410aff0ca6643724e24cddb0ecbbd
+  (let ((commit "c4de15df559410aff0ca6643724e24cddb0ecbbd"))
+    (package
+      (name "warsow-qfusion")
+      (version (git-version "2.5" "1" commit)) ; 2.5-beta
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference
+                      (url "https://github.com/Warsow/qfusion/")
+                      (commit commit)
+                      (recursive? #t)))
+                (file-name (git-file-name name version))
+                (sha256
+                 (base32
+                  "0xv2yycr43p3xmq7lm6j6zb3cpcr6w00x7qg918faq0mw9j7v48g"))
+                ;; Issue reported here: https://github.com/Warsow/qfusion/issues/46
+                (patches (search-patches "warsow-qfusion-fix-bool-return-type.patch"))))
+      (build-system cmake-build-system)
+      (arguments
+       `(#:tests? #f                    ; No tests.
+         #:configure-flags '("-DQFUSION_GAME=Warsow")
+         #:modules
+         ((guix build utils)
+          (guix build cmake-build-system)
+          (ice-9 match))
+         #:phases
+         (modify-phases %standard-phases
+           (add-after 'unpack 'change-to-build-dir
+             (lambda _
+               (chdir "source")
+               #t))
+           (add-after 'install 'really-install
+             (lambda* (#:key outputs system #:allow-other-keys)
+               (let ((arch (match system
+                             ("x86_64-linux" "x86_64")
+                             ("i686-linux" "i386")))
+                     (out (assoc-ref outputs "out")))
+                 (install-file (string-append "../source/build/basewsw/libgame_"
+                                              arch ".so")
+                               (string-append out "/lib/"))
+                 (install-file (string-append "../source/build/libui_" arch ".so")
+                               (string-append out "/lib/"))
+                 (for-each
+                  (lambda (file)
+                    (install-file file (string-append out "/bin/")))
+                  (append (find-files "../source/build" "warsow")
+                          (find-files "../source/build" "wsw_server."))))
+               #t)))))
+      (inputs
+       `(("alsa-lib" ,alsa-lib)
+         ("curl" ,curl)
+         ("freetype" ,freetype)
+         ("ffmpeg" ,ffmpeg)
+         ("libjpeg" ,libjpeg)
+         ("libogg" ,libogg)
+         ("libpng" ,libpng)
+         ("libtheora" ,libtheora)
+         ("libvorbis" ,libvorbis)
+         ("mesa" ,mesa)
+         ("openal" ,openal)
+         ("pulseaudio" ,pulseaudio)
+         ("qtbase" ,qtbase)
+         ("qtdeclarative" ,qtdeclarative)
+         ("sdl2" ,sdl2)
+         ("uuid.h" ,util-linux)
+         ("zlib" ,zlib)))
+      (native-inputs
+       `(("pkg-config" ,pkg-config)))
+      (home-page "https://github.com/Warsow/qfusion")
+      (supported-systems '("i686-linux" "x86_64-linux"))
+      (synopsis "Warsow's fork of qfusion, the id Tech 2 derived game engine")
+      (description
+       "This package contains the game engine of Warsow, a first-person
+shooter video game.  The engine is based on qfusion, the id Tech 2 derived
+game engine.  id Tech 2 is the engine originally behind Quake 2.")
+      (license license:gpl2+))))

gnu/packages/patches/warsow-qfusion-fix-bool-return-type.patch

@@ -0,0 +1,22 @@
+diff --git a/source/ref_gl/r_imagelib.cpp b/source/ref_gl/r_imagelib.cpp
+index 418028a..f76916b 100644
+--- a/source/ref_gl/r_imagelib.cpp
++++ b/source/ref_gl/r_imagelib.cpp
+@@ -762,7 +762,7 @@ static void q_jpg_noop( j_decompress_ptr cinfo ) {
+
+ static boolean q_jpg_fill_input_buffer( j_decompress_ptr cinfo ) {
+ 	Com_DPrintf( "Premature end of jpeg file\n" );
+-	return 1;
++	return TRUE;
+ }
+
+ static void q_jpg_skip_input_data( j_decompress_ptr cinfo, long num_bytes ) {
+@@ -955,7 +955,7 @@ bool WriteJPG( const char *name, r_imginfo_t *info, int quality ) {
+ 	}
+
+ 	// start compression
+-	qjpeg_start_compress( &cinfo, true );
++	qjpeg_start_compress( &cinfo, TRUE );
+
+ 	// feed scanline data
+ 	w3 = cinfo.image_width * info->samples;