From db6b5fdc7439df61a574af273bdc5e8a43dda67b Mon Sep 17 00:00:00 2001
From: OPNA2608 <opna2608@protonmail.com>
Date: Mon, 29 Apr 2024 16:08:25 +0200
Subject: [PATCH] ueviewer: init at 0-unstable-2024-02-23

---
 pkgs/by-name/ue/ueviewer/package.nix | 97 ++++++++++++++++++++++++++++
 1 file changed, 97 insertions(+)
 create mode 100644 pkgs/by-name/ue/ueviewer/package.nix

diff --git a/pkgs/by-name/ue/ueviewer/package.nix b/pkgs/by-name/ue/ueviewer/package.nix
new file mode 100644
index 000000000000..7ce9fc3d18da
--- /dev/null
+++ b/pkgs/by-name/ue/ueviewer/package.nix
@@ -0,0 +1,97 @@
+{ gccStdenv
+, lib
+, fetchFromGitHub
+, fetchpatch
+, unstableGitUpdater
+, libpng
+, perl
+, SDL2
+, zlib
+}:
+
+gccStdenv.mkDerivation (finalAttrs: {
+  pname = "ueviewer";
+  version = "0-unstable-2024-02-23";
+
+  src = fetchFromGitHub {
+    owner = "gildor2";
+    repo = "UEViewer";
+    rev = "a0bfb468d42be831b126632fd8a0ae6b3614f981";
+    hash = "sha256-Cz4jK2jJMzz57/RcEzjIjD611vCy7l3xQ0pQZjneTFQ=";
+  };
+
+  patches = [
+    # Fix compilation on Darwin
+    # Remove when https://github.com/gildor2/UEViewer/pull/319 merged
+    (fetchpatch {
+      name = "0001-ueviewer-Dont-use-c++2a-standard.patch";
+      url = "https://github.com/gildor2/UEViewer/commit/d44bef038abca99c84d7f418aedcbcb761de58aa.patch";
+      hash = "sha256-v68yoBLz0dUB3evlKApKuajKQiOwbJczVeW5oxYaVyw=";
+    })
+  ];
+
+  postPatch = ''
+    patchShebangs build.sh Unreal/Shaders/make.pl Tools/genmake
+
+    # Enable more verbose build output
+    # Unify -j arguments on make calls
+    # Show what's being run
+    substituteInPlace build.sh \
+      --replace-fail '#	echo ">> Debug: $*"' '	echo ">> Debug: $*"' \
+      --replace-fail 'make -j 4 -f $makefile' 'make -f $makefile' \
+      --replace-fail 'make -f $makefile' "make ''${enableParallelBuilding:+-j''${NIX_BUILD_CORES}} -f \$makefile SHELL='sh -x'"
+
+    # - Use correct compiler from stdenv
+    # - Use C++ compiler instead of relying on leniency
+    # -pipe breaks GCC on Darwin: clang-16: error: no input files
+    substituteInPlace Tools/genmake \
+      --replace-fail 'my $platf = "gcc";' "my \$platf = \"$CXX\";" \
+      --replace-fail '-pipe' ""
+  '';
+
+  strictDeps = true;
+
+  nativeBuildInputs = [
+    perl
+  ];
+
+  buildInputs = [
+    libpng
+    zlib
+  ] ++ lib.optionals (!gccStdenv.hostPlatform.isDarwin) [
+    SDL2
+  ];
+
+  enableParallelBuilding = true;
+
+  buildPhase = ''
+    runHook preBuild
+
+    ./build.sh
+
+    runHook postBuild
+  '';
+
+  installPhase = ''
+    runHook preInstall
+
+    install -Dm755 umodel $out/bin/umodel
+
+    runHook postInstall
+  '';
+
+  passthru.updateScript = unstableGitUpdater {
+    # Tags represent various milestones, nothing that can be mapped to a numerical version number
+    hardcodeZeroVersion = true;
+  };
+
+  meta = with lib; {
+    description = "Viewer and exporter for Unreal Engine 1-4 assets (aka umodel)";
+    homepage = "https://www.gildor.org/en/projects/umodel";
+    license = licenses.mit;
+    mainProgram = "umodel";
+    maintainers = with maintainers; [ OPNA2608 ];
+    # Hardcoded usage of SSE2
+    platforms = platforms.x86;
+  };
+})