ue4demos: new package

Closes #4082

pkgs/games/ue4demos/default.nix

@@ -0,0 +1,192 @@
+{ stdenv, fetchurl, unzip, patchelf, xlibs, openal }:
+
+assert stdenv.isLinux;
+assert stdenv.isx86_64;
+
+let
+  buildDemo = { name, src }:
+    stdenv.mkDerivation rec {
+      inherit name src;
+
+      buildInputs = [ unzip patchelf ];
+
+      rtdeps = stdenv.lib.makeLibraryPath
+        [ xlibs.libXxf86vm xlibs.libXext openal ]
+        + ":" + stdenv.lib.makeSearchPath "lib64" [ stdenv.gcc.gcc ];
+
+      buildCommand =
+      ''
+        mkdir -p "$out"
+        cd $out
+        unzip $src
+
+        interpreter=$(echo ${stdenv.glibc}/lib/ld-linux*.so.2)
+        binary=$(find . -executable -type f)
+        patchelf \
+          --set-interpreter $interpreter \
+          --set-rpath ${rtdeps} \
+          "$binary"
+
+        # Workaround on
+        # LogLinuxPlatformFile:Warning: open('/nix/store/hash-ue4demos-demo/demo/demo/Saved/Config/CleanSourceConfigs/Engine.ini', Flags=0x00080241) failed: errno=2 (No such file or directory)
+        # for Vehicle, Shooter and Strategy games.
+        ls | grep ' ' && $(
+          haxname=$(ls | grep ' ' | sed 's/ //g'); \
+          haxpath=$(ls | grep ' ')/$haxname/Saved; \
+          mkdir -p "$haxpath"/Config/CleanSourceConfigs; \
+          ln -s /dev/null "$haxpath"/Config/CleanSourceConfigs/Engine.ini; \
+          mkdir -p "$haxpath"/Logs; \
+          ln -s /dev/null "$haxpath"/Logs/$haxname.log)
+
+        # Executables are buried under a varied paths across demos.
+        mkdir bin
+        cd bin
+        ln -s "$out/$binary" $(basename "$out/$binary")
+      '';
+
+      meta = {
+        description = "Unreal Engine 4 Linux demos";
+        homepage = https://wiki.unrealengine.com/Linux_Demos;
+        platforms = stdenv.lib.platforms.linux;
+        license = stdenv.lib.licenses.unfree;
+      };
+    };
+
+in {
+  tappy_chicken = buildDemo rec {
+    name = "ue4demos-tappy_chicken";
+    src = fetchurl {
+      url = "http://ue4linux.raxxy.com/tappy_chicken.zip";
+      sha256 = "0lwhvk3lpb2r5ng2cnzk7fpjj5lwhy2sch1a8v154x1xfhfb3h4v";
+    };
+  };
+
+  swing_ninja = buildDemo rec {
+    name = "ue4demos-swing_ninja";
+    src = fetchurl {
+      url = "http://ue4linux.raxxy.com/swing_ninja.zip";
+      sha256 = "1bmgqqk3lda5h7nnqi59jgyrsn0clr3xs0k1jclnqf9fk0m8hjcv";
+    };
+  };
+
+  card_game = buildDemo rec {
+    name = "ue4demos-card_game";
+    src = fetchurl {
+      url = "http://ue4linux.raxxy.com/card_game.zip";
+      sha256 = "154baqias5q7kad0c89k35jbmnmlm865sll02mi7bk1yllcckz5z";
+    };
+  };
+
+  vehicle_game = buildDemo rec {
+    name = "ue4demos-vehicle_game";
+    src = fetchurl {
+      url = "http://ue4linux.raxxy.com/vehicle_game.zip";
+      sha256 = "03dlacf1iv7sgn7pl3sx9r6243wy8fsi2kd858syfm9slg0190bs";
+    };
+  };
+
+  shooter_game = buildDemo rec {
+    name = "ue4demos-shooter_game";
+    src = fetchurl {
+      url = "http://ue4linux.raxxy.com/shooter_game.zip";
+      sha256 = "1bk32k349iqbqk8x8jffnqq0pjiqmvrvv675xxmlvkkr8qrlhz98";
+    };
+  };
+
+  strategy_game = buildDemo rec {
+    name = "ue4demos-strategy_game";
+    src = fetchurl {
+      url = "http://ue4linux.raxxy.com/strategy_game.zip";
+      sha256 = "1p7i966v1ssm20y12g4wsccpgnky3szy19qyjlacynk7bgbk6lg7";
+    };
+  };
+
+  black_jack = buildDemo rec {
+    name = "ue4demos-black_jack";
+    src = fetchurl {
+      url = "http://ue4linux.raxxy.com/black_jack.zip";
+      sha256 = "0g52wkzn5isa3az32y25yx5b56wxks97pajqwkmm6gf4qpkfksxv";
+    };
+  };
+
+  landscape_mountains = buildDemo rec {
+    name = "ue4demos-landscape_mountains";
+    src = fetchurl {
+      url = "http://ue4linux.raxxy.com/landscape_mountains.zip";
+      sha256 = "14jzajhs3cpydvf3ag7lpj4hkpbjpwnn3xkdvdx92fi0pcl8cwym";
+    };
+  };
+
+  matinee_demo = buildDemo rec {
+    name = "ue4demos-matinee_demo";
+    src = fetchurl {
+      url = "http://ue4linux.raxxy.com/matinee_demo.zip";
+      sha256 = "0ib8k6fl15cxzdarar2sqq5v3g3c7p2jidkdjd00nym6cvkibb4d";
+    };
+  };
+
+  elemental_demo = buildDemo rec {
+    name = "ue4demos-elemental_demo";
+    src = fetchurl {
+      url = "http://ue4linux.raxxy.com/elemental_demo.zip";
+      sha256 = "1v4jdsy8jvv8wgc8dx17q17xigfrya5q0nfdzw4md7fzm3bg9z0v";
+    };
+  };
+
+  effects_cave_demo = buildDemo rec {
+    name = "ue4demos-effects_cave_demo";
+    src = fetchurl {
+      url = "http://ue4linux.raxxy.com/effects_cave_demo.zip";
+      sha256 = "0lvd3aaha2x9pnpkdmrzi6nf7hymr95834z3l8shygjf9kbbzsz4";
+    };
+  };
+
+  realistic_rendering = buildDemo rec {
+    name = "ue4demos-realistic_rendering";
+    src = fetchurl {
+      url = "http://ue4linux.raxxy.com/realistic_rendering_demo.zip";
+      sha256 = "0r16nznkv475hkw5rnngqsc69ch8vh86dppyyyr9nn43dkr2110a";
+    };
+  };
+
+  reflections_subway = buildDemo rec {
+    name = "ue4demos-reflections_subway";
+    src = fetchurl {
+      url = "http://ue4linux.raxxy.com/reflections_subway_demo.zip";
+      sha256 = "0dw5sm7405gxw9iqz0vpnhdprrb4wl5i14pvzl1381k973m8bd00";
+    };
+  };
+
+  scifi_hallway_demo = buildDemo rec {
+    name = "ue4demos-scifi_hallway_demo";
+    src = fetchurl {
+      url = "http://ue4linux.raxxy.com/sci-fi_hallway_demo.zip";
+      sha256 = "14qp9iwm47awn8d9j6ijh6cnds308x60xs4vi2fvz2666jlz1pq2";
+    };
+  };
+
+  mobile_temple_demo = buildDemo rec {
+    name = "ue4demos-mobile_temple_demo";
+    src = fetchurl {
+      url = "http://ue4linux.raxxy.com/mobile_temple_demo.zip";
+      sha256 = "12bz4h1b9lhmqglwsa6r8q48ijqbjdha9fql31540d01kigaka75";
+    };
+  };
+
+  stylized_demo = buildDemo rec {
+    name = "ue4demos-stylized_demo";
+    src = fetchurl {
+      url = "http://ue4linux.raxxy.com/stylized_demo.zip";
+      sha256 = "1676ridmj8rk4y4hbdscfnnka5l636av1xxl0qwvk236kq9j7v0l";
+    };
+  };
+
+  blueprint_examples_demo = buildDemo rec {
+    name = "ue4demos-blueprint_examples_demo";
+    src = fetchurl {
+      url = "http://ue4linux.raxxy.com/blueprint_examples_demo.zip";
+      sha256 = "076q33h2hy965fvr805hsprkpcmizf638lj2ik8k923v86b15nbv";
+    };
+  };
+}
+

pkgs/top-level/all-packages.nix

@@ -10927,6 +10927,8 @@ let
 
   urbanterror = callPackage ../games/urbanterror { };
 
+  ue4demos = recurseIntoAttrs (callPackage ../games/ue4demos { });
+
   ut2004demo = callPackage ../games/ut2004demo { };
 
   vdrift = callPackage ../games/vdrift { };