From 0f571e7940ea2a2ae07b8a2e67ca3ba86f517802 Mon Sep 17 00:00:00 2001
From: Christopher Baines <mail@cbaines.net>
Date: Mon, 27 Dec 2021 13:04:30 +0000
Subject: WIP

---
 gnu/packages/games.scm    | 22 +++++++++++++++++++++
 gnu/packages/graphics.scm | 50 +++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 72 insertions(+)

diff --git a/gnu/packages/games.scm b/gnu/packages/games.scm
index 781074ed7c..20559a4534 100644
--- a/gnu/packages/games.scm
+++ b/gnu/packages/games.scm
@@ -3855,6 +3855,28 @@ Protocol).")
     (home-page "https://www.gnu.org/software/gnugo/")
     (license license:gpl3+)))
 
+(define-public emptyepsilon
+  (package
+    (name "emptyepsilon")
+    (version "2021.11.27")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/daid/EmptyEpsilon")
+             (commit (string-append "EE-" version))))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32 "19vbijp9wmpmmmh3zv1ba77hw4s1306p982494sq5k71hrikrarm"))))
+    (build-system cmake-build-system)
+    (inputs
+     (list sfml))
+    (home-page "")
+    (synopsis "")
+    (description
+     "")
+    (license (list license:expat))))
+
 (define-public extremetuxracer
   (package
     (name "extremetuxracer")
diff --git a/gnu/packages/graphics.scm b/gnu/packages/graphics.scm
index 3be37d7841..1ed589e28c 100644
--- a/gnu/packages/graphics.scm
+++ b/gnu/packages/graphics.scm
@@ -1919,6 +1919,56 @@ Some feature highlights:
 @end itemize\n")
       (license license:gpl3+))))
 
+(define-public meshoptimizer
+    (package
+    (name "meshoptimizer")
+    (version "0.17")
+    (source
+      (origin
+        (method git-fetch)
+        (uri (git-reference
+               (url "https://github.com/coin3d/coin")
+               (commit (string-append "Coin-" version))
+               (recursive? #t)))
+        (file-name (git-file-name name version))
+        (sha256
+          (base32 "1ayg0hl8wanhadahm5xbghghxw1qjwqbrs3dl3ngnff027hsyf8p"))
+        (modules '((guix build utils)))
+        (snippet
+          '(begin
+             ;; Delete binaries
+             (for-each delete-file
+                       '("cfg/csubst.exe"
+                         "cfg/wrapmsvc.exe"))
+             ;; Delete references to packaging tool cpack. Otherwise the build
+             ;; fails with "add_subdirectory given source "cpack.d" which is not
+             ;; an existing directory."
+             (substitute* "CMakeLists.txt"
+               ((".*cpack.d.*") ""))
+             #t))))
+    (build-system cmake-build-system)
+    (native-inputs
+      (list doxygen graphviz))
+    (inputs
+      (list boost freeglut glew))
+    (arguments
+      `(#:configure-flags
+        (list
+          "-DCOIN_BUILD_DOCUMENTATION_MAN=ON"
+          (string-append "-DBOOST_ROOT="
+                         (assoc-ref %build-inputs "boost")))))
+    (home-page "https://github.com/coin3d/coin")
+    (synopsis
+      "High-level 3D visualization library with Open Inventor 2.1 API")
+    (description
+      "Coin is a 3D graphics library with an Application Programming Interface
+based on the Open Inventor 2.1 API.  For those who are not familiar with Open
+Inventor, it is a scene-graph based retain-mode rendering and model interaction
+library, written in C++, which has become the de facto standard graphics
+library for 3D visualization and visual simulation software in the scientific
+and engineering community.")
+      (license license:bsd-3)))
+
 (define-public monado
   (package
     (name "monado")
-- 
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