;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2013 David Thompson <dthompson2@worcester.edu>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.

(define-module (gnu packages sdl)
  #:use-module (gnu packages)
  #:use-module (guix licenses)
  #:use-module (guix packages)
  #:use-module (guix download)
  #:use-module (guix build-system gnu)
  #:use-module (guix build-system trivial)
  #:use-module ((gnu packages fontutils) #:prefix font:)
  #:use-module (gnu packages guile)
  #:use-module (gnu packages image)
  #:use-module (gnu packages linux)
  #:use-module (gnu packages mp3)
  #:use-module (gnu packages pkg-config)
  #:use-module (gnu packages pulseaudio)
  #:use-module (gnu packages gl)
  #:use-module (gnu packages xiph)
  #:use-module (gnu packages xorg)
  #:export (sdl
            sdl2
            libmikmod
            sdl-gfx
            sdl-image
            sdl-mixer
            sdl-net
            sdl-ttf))

(define sdl
  (package
    (name "sdl")
    (version "1.2.15")
    (source (origin
             (method url-fetch)
             (uri
              (string-append "http://libsdl.org/release/SDL-"
                             version ".tar.gz"))
             (sha256
              (base32
               "005d993xcac8236fpvd1iawkz4wqjybkpn8dbwaliqz5jfkidlyn"))))
    (build-system gnu-build-system)
    (arguments
     '(;; Explicitly link against Xext because SDL tries to dlopen it and
       ;; doesn't go very far otherwise (see
       ;; <https://lists.gnu.org/archive/html/guix-devel/2013-11/msg00088.html>
       ;; for details.)
       #:configure-flags '("LDFLAGS=-lXext")

       #:tests? #f)) ; no check target
    (propagated-inputs
     ;; SDL headers include X11 headers.
     `(("libx11" ,libx11)))
    (native-inputs `(("pkg-config" ,pkg-config)))
    (inputs `(("libxrandr" ,libxrandr)
              ("mesa" ,mesa)
              ("alsa-lib" ,alsa-lib)
              ("pulseaudio" ,pulseaudio)))
    (synopsis "Cross platform game development library")
    (description "Simple DirectMedia Layer is a cross-platform development
library designed to provide low level access to audio, keyboard, mouse,
joystick, and graphics hardware.")
    (home-page "http://libsdl.org/")
    (license lgpl2.1)))

(define sdl2
  (package (inherit sdl)
    (name "sdl2")
    (version "2.0.0")
    (source (origin
             (method url-fetch)
             (uri
              (string-append "http://libsdl.org/release/SDL2-"
                             version ".tar.gz"))
             (sha256
              (base32
               "0y3in99brki7vc2mb4c0w39v70mf4h341mblhh8nmq4h7lawhskg"))))
    (license bsd-3)))

(define libmikmod
  (package
    (name "libmikmod")
    (version "3.3.3")
    (source (origin
             (method url-fetch)
             (uri (string-append "mirror://sourceforge/mikmod/libmikmod/"
                                 version "/libmikmod-" version ".tar.gz"))
             (sha256
              (base32
               "0dr4kgvhq9wf2riibh178c2al996spwwak6zffpv5n5bqmw29w3r"))))
    (build-system gnu-build-system)
    (inputs `(("alsa-lib" ,alsa-lib)
              ("libx11" ,libx11)))
    (synopsis "Library for module sound formats")
    (description
     "MikMod is able to play a wide range of module formats, as well as
digital sound files.  It can take advantage of particular features of your
system, such as sound redirection over the network.")
    (license lgpl2.1)
    (home-page "http://mikmod.sourceforge.net/")))

(define sdl-gfx
  (package
    (name "sdl-gfx")
    (version "2.0.24")
    (source (origin
              (method url-fetch)
              (uri
               (string-append "http://www.ferzkopp.net/Software/SDL_gfx-2.0/SDL_gfx-"
                              version ".tar.gz"))
              (sha256
               (base32
                "064islldm4r42lgj9fr4kbk66r7jmmakk9745hhyb1kmw71kib9h"))))
    (build-system gnu-build-system)
    (propagated-inputs `(("sdl" ,sdl)))
    (synopsis "SDL graphics primitives library")
    (description "SDL_gfx provides graphics drawing primitives, rotozoom and
other supporting functions for SDL.")
    (home-page "http://www.ferzkopp.net/joomla/software-mainmenu-14/4-ferzkopps-linux-software/19-sdlgfx")
    (license zlib)

    ;; The code apparently includes Intel assembly, which fails to build on
    ;; MIPS, at least.
    (supported-systems '("i686-linux" "x86_64-linux"))))

(define sdl-image
  (package
    (name "sdl-image")
    (version "1.2.12")
    (source (origin
             (method url-fetch)
             (uri
              (string-append "http://www.libsdl.org/projects/SDL_image/release/SDL_image-"
                             version ".tar.gz"))
             (sha256
              (base32
               "16an9slbb8ci7d89wakkmyfvp7c0cval8xw4hkg0842nhhlp540b"))))
    (build-system gnu-build-system)
    (native-inputs `(("pkg-config" ,pkg-config)))
    ;; FIXME: Add webp
    ;;
    ;; libjpeg, libpng, and libtiff are propagated inputs because the
    ;; SDL_image headers include the headers of these libraries.  SDL is a
    ;; propagated input because the pkg-config file refers to SDL's pkg-config
    ;; file.
    (propagated-inputs `(("sdl" ,sdl)
                         ("libjpeg" ,libjpeg)
                         ("libpng" ,libpng)
                         ("libtiff" ,libtiff)))
    (synopsis "SDL image loading library")
    (description "SDL_image is an image file loading library for SDL that
supports the following formats: BMP, GIF, JPEG, LBM, PCX, PNG, PNM, TGA, TIFF,
WEBP, XCF, XPM, and XV.")
    (home-page "http://www.libsdl.org/projects/SDL_image/")
    (license zlib)))

(define sdl-mixer
  (package
    (name "sdl-mixer")
    (version "1.2.12")
    (source (origin
              (method url-fetch)
              (uri
               (string-append "http://www.libsdl.org/projects/SDL_mixer/release/SDL_mixer-"
                              version ".tar.gz"))
              (sha256
               (base32
                "0alrhqgm40p4c92s26mimg9cm1y7rzr6m0p49687jxd9g6130i0n"))))
    (build-system gnu-build-system)
    ;; no check target
    ;; use libmad instead of smpeg
    (arguments `(#:tests? #f
                 #:configure-flags '("--enable-music-mp3-mad-gpl")))
    (inputs `(("libvorbis" ,libvorbis)
              ("libflac" ,flac)
              ("libmad" ,libmad)
              ("libmikmod" ,libmikmod)))
    ;; FIXME: Add libfluidsynth
    (propagated-inputs `(("sdl" ,sdl)))
    (synopsis "SDL multi-channel audio mixer library")
    (description "SDL_mixer is a multi-channel audio mixer library for SDL.
It supports any number of simultaneously playing channels of 16 bit stereo
audio, plus a single channel of music.  Supported format include FLAC, MOD,
MIDI, Ogg Vorbis, and MP3.")
    (home-page "http://www.libsdl.org/projects/SDL_mixer/")
    (license zlib)))

(define sdl-net
  (package
    (name "sdl-net")
    (version "1.2.8")
    (source (origin
              (method url-fetch)
              (uri
               (string-append "http://www.libsdl.org/projects/SDL_net/release/SDL_net-"
                              version ".tar.gz"))
              (sha256
               (base32
                "1d5c9xqlf4s1c01gzv6cxmg0r621pq9kfgxcg3197xw4p25pljjz"))))
    (build-system gnu-build-system)
    (propagated-inputs `(("sdl" ,sdl)))
    (native-inputs `(("pkg-config" ,pkg-config)))
    (synopsis "SDL networking library")
    (description "SDL_net is a small, cross-platform networking library for
SDL.")
    (home-page "http://www.libsdl.org/projects/SDL_net/")
    (license zlib)))

(define sdl-ttf
  (package
    (name "sdl-ttf")
    (version "2.0.11")
    (source (origin
             (method url-fetch)
             (uri
              (string-append "http://www.libsdl.org/projects/SDL_ttf/release/SDL_ttf-"
                             version ".tar.gz"))
             (sha256
              (base32
               "1dydxd4f5kb1288i5n5568kdk2q7f8mqjr7i7sd33nplxjaxhk3j"))))
    (build-system gnu-build-system)
    (propagated-inputs `(("sdl" ,sdl)))
    (inputs `(("freetype" ,font:freetype)
              ("mesa" ,mesa)))
    (native-inputs `(("pkg-config" ,pkg-config)))
    (synopsis "SDL TrueType font library")
    (description "SDL_ttf is a TrueType font rendering library for SDL.")
    (home-page "http://www.libsdl.org/projects/SDL_ttf/")
    (license zlib)))

(define sdl-union
  (package
    (name "sdl-union")
    (version (package-version sdl))
    (source #f)
    (build-system trivial-build-system)
    (arguments
     '(#:modules ((guix build union))
       #:builder (begin
                   (use-modules (ice-9 match)
                                (guix build union))
                   (match %build-inputs
                     (((names . directories) ...)
                      (union-build (assoc-ref %outputs "out")
                                   directories))))))
    (inputs `(("sdl" ,sdl)
              ("sdl-gfx" ,sdl-gfx)
              ("sdl-image" ,sdl-image)
              ("sdl-mixer" ,sdl-mixer)
              ("sdl-ttf" ,sdl-ttf)))
    (synopsis "Union of all SDL libraries.")
    (description
     "A union of SDL and its extension libraries.  A union is required because
sdl-config assumes that all of the headers and libraries are in the same
directory.")
    (home-page (package-home-page sdl))
    (license (package-license sdl))))

(define-public guile-sdl
  (package
    (name "guile-sdl")
    (version "0.5.1")
    (source (origin
              (method url-fetch)
              (uri
               (string-append "mirror://gnu/guile-sdl/guile-sdl-"
                              version ".tar.xz"))
              (sha256
               (base32
                "126n4rd0ydh6i2s11ari5k85iivradlf12zq13b34shf9k1wn5am"))))
    (build-system gnu-build-system)
    (native-inputs
     `(("pkg-config" ,pkg-config)
       ;; Required by test suite.
       ("xorg-server" ,xorg-server)
       ("libjpeg" ,libjpeg)))
    (inputs
     `(("guile" ,guile-2.0)
       ("sdl-union" ,sdl-union)))
    (arguments
     '(#:configure-flags
       (list (string-append "--with-sdl-prefix="
                            (assoc-ref %build-inputs "sdl-union")))
       #:parallel-build? #f ; parallel build fails
       #:phases
       (alist-cons-before
        'configure 'fix-env-and-patch
        (lambda* (#:key inputs #:allow-other-keys)
          (setenv "GUILE_AUTO_COMPILE" "0")
          ;; SDL_image needs to dlopen libjpeg in the test suite.
          (setenv "LD_LIBRARY_PATH"
                  (string-append (assoc-ref inputs "libjpeg") "/lib"))
          ;; Change the site directory /site/2.0 like Guile expects.
          (substitute* "build-aux/guile-baux/re-prefixed-site-dirs"
            (("\"/site\"") "\"/site/2.0\"")))
        (alist-cons-before
         'check 'start-xorg-server
         (lambda* (#:key inputs #:allow-other-keys)
           ;; The test suite requires a running X server.
           (system (format #f "~a/bin/Xvfb :1 &"
                           (assoc-ref inputs "xorg-server")))
           (setenv "DISPLAY" ":1"))
         %standard-phases))))
    (synopsis "SDL bindings for GNU Guile.")
    (description "Guile-SDL is a set of modules that provide bindings for SDL
to enable Guile programmers to do all the nice things you can do with SDL.")
    (home-page "http://gnu.org/s/guile-sdl")
    (license gpl3+)))