From a8f2eb65876a5fadb851861f3ca6b97e6d983447 Mon Sep 17 00:00:00 2001
From: Hugh O'Brien <github@hughobrien.ie>
Date: Sat, 19 Aug 2023 10:34:09 -0400
Subject: [PATCH] fallout-ce: init at 1.0.0

---
 pkgs/games/fallout-ce/build.nix      | 77 ++++++++++++++++++++++++++++
 pkgs/games/fallout-ce/fallout-ce.nix | 20 ++++++++
 pkgs/top-level/all-packages.nix      |  2 +
 3 files changed, 99 insertions(+)
 create mode 100644 pkgs/games/fallout-ce/build.nix
 create mode 100644 pkgs/games/fallout-ce/fallout-ce.nix

diff --git a/pkgs/games/fallout-ce/build.nix b/pkgs/games/fallout-ce/build.nix
new file mode 100644
index 000000000000..c220895db08c
--- /dev/null
+++ b/pkgs/games/fallout-ce/build.nix
@@ -0,0 +1,77 @@
+{ cmake
+, fpattern
+, lib
+, SDL2
+, stdenv
+, writeShellScript
+
+, extraBuildInputs ? [ ]
+, extraMeta
+, pname
+, version
+, src
+}:
+
+let
+  launcher = writeShellScript "${pname}" ''
+    set -eu
+    assetDir="''${XDG_DATA_HOME:-$HOME/.local/share}/${pname}"
+    [ -d "$assetDir" ] || mkdir -p "$assetDir"
+    cd "$assetDir"
+
+    notice=0 fault=0
+    requiredFiles=(master.dat critter.dat)
+    for f in "''${requiredFiles[@]}"; do
+      if [ ! -f "$f" ]; then
+        echo "Required file $f not found in $PWD, note the files are case-sensitive"
+        notice=1 fault=1
+      fi
+    done
+
+    if [ ! -d "data/sound/music" ]; then
+      echo "data/sound/music directory not found in $PWD. This may prevent in-game music from functioning."
+      notice=1
+    fi
+
+    if [ $notice -ne 0 ]; then
+      echo "Please reference the installation instructions at https://github.com/alexbatalov/fallout2-ce"
+    fi
+
+    if [ $fault -ne 0 ]; then
+      exit $fault;
+    fi
+
+    exec @out@/libexec/${pname} "$@"
+  '';
+in
+stdenv.mkDerivation {
+  inherit pname version src;
+
+  nativeBuildInputs = [ cmake ];
+  buildInputs = [ SDL2 ] ++ extraBuildInputs;
+  hardeningDisable = [ "format" ];
+  cmakeBuildType = "RelWithDebInfo";
+
+  postPatch = ''
+    substituteInPlace third_party/fpattern/CMakeLists.txt \
+      --replace "FetchContent_Populate" "#FetchContent_Populate" \
+      --replace "{fpattern_SOURCE_DIR}" "${fpattern}/include" \
+      --replace "$/nix/" "/nix/"
+  '';
+
+  installPhase = ''
+    runHook preInstall
+
+    install -D ${pname} $out/libexec/${pname}
+    install -D ${launcher} $out/bin/${pname}
+    substituteInPlace $out/bin/${pname} --subst-var out
+
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    license = licenses.sustainableUse;
+    maintainers = with maintainers; [ hughobrien TheBrainScrambler ];
+    platforms = platforms.linux;
+  } // extraMeta;
+}
diff --git a/pkgs/games/fallout-ce/fallout-ce.nix b/pkgs/games/fallout-ce/fallout-ce.nix
new file mode 100644
index 000000000000..5f55743a674b
--- /dev/null
+++ b/pkgs/games/fallout-ce/fallout-ce.nix
@@ -0,0 +1,20 @@
+{ callPackage
+, fetchFromGitHub
+}:
+
+callPackage ./build.nix rec {
+  pname = "fallout-ce";
+  version = "1.0.0";
+
+  src = fetchFromGitHub {
+    owner = "alexbatalov";
+    repo = "fallout1-ce";
+    rev = "v${version}";
+    hash = "sha256-EvRkOlvtiVao63S0WRKKuHlhfkdTgc0m6GTyv4EfJFU=";
+  };
+
+  extraMeta = {
+    description = "A fully working re-implementation of Fallout, with the same original gameplay, engine bugfixes, and some quality of life improvements";
+    homepage = "https://github.com/alexbatalov/fallout1-ce";
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index c77c662369e9..9507121fdfe0 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -37522,6 +37522,8 @@ with pkgs;
 
   exult = callPackage ../games/exult { };
 
+  fallout-ce = callPackage ../games/fallout-ce/fallout-ce.nix { };
+
   flare = callPackage ../games/flare {
     inherit (darwin.apple_sdk.frameworks) Cocoa;
   };