[bug#35720] [PATCH] gnu: Add chocolate-doom.

["Jakob L. Kreuze" <zerodaysfordays@sdf.lonestar.org>]

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Patch adding a package for Chocolate Doom, which I felt was appropriate
as both Odamex and GZDoom are packaged in Guix.

Regards,
Jakob L. Kreuze

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From eff781c4829c76e17335caafeaec582ce7b6baf5 Mon Sep 17 00:00:00 2001
From: "Jakob L. Kreuze" <zerodaysfordays@sdf.lonestar.org>
Date: Mon, 13 May 2019 15:30:48 -0400
Subject: [PATCH] gnu: Add chocolate-doom.

* gnu/packages/games.scm (chocolate-doom): New variables.
---
 gnu/packages/games.scm | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/gnu/packages/games.scm b/gnu/packages/games.scm
index 0f05f3fdcf..ab1acfa3ab 100644
--- a/gnu/packages/games.scm
+++ b/gnu/packages/games.scm
@@ -5537,6 +5537,41 @@ allows players to easily join servers dedicated to playing Doom
 online.")
     (license license:gpl2+)))
 
+(define-public chocolate-doom
+  (package
+    (name "chocolate-doom")
+    (version "3.0.0")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "https://www.chocolate-doom.org/downloads/"
+                                  version
+                                  "/chocolate-doom-"
+                                  version
+                                  ".tar.gz"))
+              (sha256
+               (base32
+                "1f6sw6qa9z0a70dsjh5cs45fkyyxw68s7vkqlykihz8cjcisdbkk"))))
+    (build-system gnu-build-system)
+    (inputs `(("sdl2-net" ,sdl2-net)
+              ("sdl2-mixer" , sdl2-mixer)
+              ("sdl2" ,sdl2)))
+    (native-inputs
+     `(("pkg-config" ,pkg-config)))
+    (synopsis "Doom source port preserving the look, feel, and bugs of vanilla
+Doom")
+    (description
+     "Chocolate Doom takes a different approach to other source ports.  Its
+aim is to accurately reproduce the experience of playing Vanilla Doom.  It is
+a conservative, historically accurate Doom source port, which is compatible
+with the thousands of mods and levels that were made before the Doom source
+code was released.  Rather than flashy new graphics, Chocolate Doom's main
+features are its accurate reproduction of the game as it was played in the
+1990s.  The project is developed around a carefully-considered philosophy that
+intentionally restricts which features may be added (and rejects any that
+affect gameplay).")
+    (home-page "https://www.chocolate-doom.org/wiki/index.php/Chocolate_Doom")
+    (license license:gpl2)))
+
 (define-public fortune-mod
   (package
     (name "fortune-mod")
-- 
2.21.0

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