New package: mujoco (#27656)

var/spack/repos/builtin/packages/mujoco/package.py

@@ -0,0 +1,49 @@
+# Copyright 2013-2021 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+import platform
+
+from spack import *
+
+
+class Mujoco(Package):
+    """MuJoCo is a physics engine that aims to facilitate research and
+    development in robotics, biomechanics, graphics and animation, and
+    other areas where fast and accurate simulation is needed. """
+
+    homepage = "https://mujoco.org/"
+
+    mujoco_releases = {
+        '2.1.0': {
+            'Linux-x86_64':  'a436ca2f4144c38b837205635bbd60ffe1162d5b44c87df22232795978d7d012',
+            'Darwin-x86_64':  '50226f859d9d3742fa57e1a0a92d656197ec5786f75bfa50ae00eb80fae25e90',
+        }
+    }
+
+    for ver, packages in mujoco_releases.items():
+        key = "{0}-{1}".format(platform.system(), platform.machine())
+        pkg_sha256 = packages.get(key)
+        if pkg_sha256:
+            version(ver, sha256=pkg_sha256)
+
+    def url_for_version(self, version):
+
+        url = "https://mujoco.org/download/mujoco{0}-{1}-x86_64.tar.gz"
+
+        system_map = {
+            'Linux': 'linux',
+            'Darwin': 'macos',
+        }
+
+        return url.format(version.joined, system_map[platform.system()])
+
+    def install(self, spec, prefix):
+        copy_tree('.', prefix)
+
+    def setup_run_environment(self, env):
+        env.prepend_path('CPATH', prefix.include)
+        env.prepend_path('LD_LIBRARY_PATH', prefix.bin)
+        if platform.system() == 'Darwin':
+            env.prepend_path('DYLD_LIBRARY_PATH', prefix.bin)