From 218f14351463ed26809479410600f2ef136d05b4 Mon Sep 17 00:00:00 2001
From: Francesco Gazzetta <fgaz@fgaz.me>
Date: Sun, 21 Nov 2021 12:26:56 +0100
Subject: [PATCH] vengi-tools: init at 0.0.14

---
 .../graphics/vengi-tools/default.nix          | 117 ++++++++++++++++++
 .../vengi-tools/test-voxconvert-roundtrip.nix |  15 +++
 pkgs/top-level/all-packages.nix               |   4 +
 3 files changed, 136 insertions(+)
 create mode 100644 pkgs/applications/graphics/vengi-tools/default.nix
 create mode 100644 pkgs/applications/graphics/vengi-tools/test-voxconvert-roundtrip.nix

diff --git a/pkgs/applications/graphics/vengi-tools/default.nix b/pkgs/applications/graphics/vengi-tools/default.nix
new file mode 100644
index 000000000000..3ddbea105b53
--- /dev/null
+++ b/pkgs/applications/graphics/vengi-tools/default.nix
@@ -0,0 +1,117 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+, fetchurl
+
+, cmake
+, pkg-config
+, ninja
+, python3
+, makeWrapper
+
+, glm
+, lua5_4
+, SDL2
+, SDL2_mixer
+, enet
+, libuv
+, libuuid
+, wayland-protocols
+, Carbon
+# optionals
+, opencl-headers
+, OpenCL
+
+, callPackage
+}:
+
+# cmake 3.21 inserts invalid `ldd` and `-Wl,--no-as-needed` calls, apparently
+# related to
+# https://cmake.org/cmake/help/v3.21/prop_tgt/LINK_WHAT_YOU_USE.html
+let cmake3_22 = cmake.overrideAttrs (old: {
+  version = "3.22.0";
+  src = fetchurl {
+    url = "https://cmake.org/files/v3.22/cmake-3.22.0.tar.gz";
+    sha256 = "sha256-mYx7o0d40t/bPfimlUaeJLEeK/oh++QbNho/ReHJNF4=";
+  };
+});
+
+in stdenv.mkDerivation rec {
+  pname = "vengi-tools";
+  version = "0.0.14";
+
+  src = fetchFromGitHub {
+    owner = "mgerhardy";
+    repo = "engine";
+    rev = "v${version}";
+    sha256 = "sha256-v82hKskTSwM0NDgLVHpHZNRQW6tWug4pPIt91MrUwUo=";
+  };
+
+  nativeBuildInputs = [
+    cmake3_22
+    pkg-config
+    ninja
+    python3
+    makeWrapper
+  ];
+
+  buildInputs = [
+    glm
+    lua5_4
+    SDL2
+    SDL2_mixer
+    enet
+    libuv
+    libuuid
+    # Only needed for the game
+    #postgresql
+    #libpqxx
+    #mosquitto
+  ] ++ lib.optional stdenv.isLinux wayland-protocols
+    ++ lib.optionals stdenv.isDarwin [ Carbon OpenCL ]
+    ++ lib.optional (!stdenv.isDarwin) opencl-headers;
+
+  cmakeFlags = [
+    # Disable tests due to a problem in linking gtest:
+    # ld: /build/vengi-tests-core.LDHlV1.ltrans0.ltrans.o: in function `main':
+    # <artificial>:(.text.startup+0x3f): undefined reference to `testing::InitGoogleMock(int*, char**)'
+    "-DUNITTESTS=OFF"
+    "-DVISUALTESTS=OFF"
+    # We're only interested in the generic tools
+    "-DGAMES=OFF"
+    "-DMAPVIEW=OFF"
+    "-DAIDEBUG=OFF"
+  ];
+
+  # Set the data directory for each executable. We cannot set it at build time
+  # with the PKGDATADIR cmake variable because each executable needs a specific
+  # one.
+  # This is not needed on darwin, since on that platform data files are saved
+  # in *.app/Contents/Resources/ too, and are picked up automatically.
+  postInstall = lib.optionalString (!stdenv.isDarwin) ''
+    for prog in $out/bin/*; do
+      wrapProgram "$prog" \
+        --set CORE_PATH $out/share/$(basename "$prog")/
+    done
+  '';
+
+  passthru.tests = {
+    voxconvert-roundtrip = callPackage ./test-voxconvert-roundtrip.nix {};
+  };
+
+  meta = with lib; {
+    description = "Tools from the vengi voxel engine, including a thumbnailer, a converter, and the VoxEdit voxel editor";
+    longDescription = ''
+      Tools from the vengi C++ voxel game engine. It includes a voxel editor
+      with character animation support and loading/saving into a lot of voxel
+      volume formats. There are other tools like e.g. a thumbnailer for your
+      filemanager and a command line tool to convert between several voxel
+      formats.
+    '';
+    homepage = "https://mgerhardy.github.io/engine/";
+    downloadPage = "https://github.com/mgerhardy/engine/releases";
+    license = [ licenses.mit licenses.cc-by-sa-30 ];
+    maintainers = with maintainers; [ fgaz ];
+    platforms = platforms.all;
+  };
+}
diff --git a/pkgs/applications/graphics/vengi-tools/test-voxconvert-roundtrip.nix b/pkgs/applications/graphics/vengi-tools/test-voxconvert-roundtrip.nix
new file mode 100644
index 000000000000..27b0305615a8
--- /dev/null
+++ b/pkgs/applications/graphics/vengi-tools/test-voxconvert-roundtrip.nix
@@ -0,0 +1,15 @@
+{ stdenv
+, vengi-tools
+}:
+
+stdenv.mkDerivation {
+  name = "vengi-tools-test-voxconvert-roundtrip";
+  meta.timeout = 10;
+  buildCommand = ''
+    ${vengi-tools}/bin/vengi-voxconvert ${vengi-tools}/share/vengi-voxedit/chr_knight.qb chr_knight.vox
+    ${vengi-tools}/bin/vengi-voxconvert chr_knight.vox chr_knight.qb
+    ${vengi-tools}/bin/vengi-voxconvert chr_knight.qb chr_knight1.vox
+    diff chr_knight.vox chr_knight1.vox
+    touch $out
+  '';
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 60762177c3e9..4c698e6587d0 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -28750,6 +28750,10 @@ with pkgs;
 
   vdpauinfo = callPackage ../tools/X11/vdpauinfo { };
 
+  vengi-tools = callPackage ../applications/graphics/vengi-tools {
+    inherit (darwin.apple_sdk.frameworks) Carbon OpenCL;
+  };
+
   verbiste = callPackage ../applications/misc/verbiste {
     inherit (gnome2) libgnomeui;
   };