What a clusterfuck

packages/hlsdk/default.nix

@@ -0,0 +1,52 @@
+{ lib
+, pkgs
+, stdenv
+, fetchFromGitHub
+, gamedir ? "valve"
+, enableGoldsourceSupport ? true
+, enableVgui ? false
+, enableVoicemgr ? false
+, enableBugfixes ? false
+, enableCrowbarIdleAnim ? false
+}:
+
+stdenv.mkDerivation {
+  pname = "fwgs-hlsdk";
+  version = "2023-03-01";
+
+  nativeBuildInputs = with pkgs; [cmake];
+
+  src = fetchFromGitHub {
+    owner = "FWGS";
+    repo = "hlsdk-portable";
+    rev = "d11f853464ee5d951e25ce9d0eea001780b92196";
+    sha256 = if enableVgui then "sha256-Qd+SUie+jlfxo6aefordYw665ZaNaR3TxufntfIaoCo=" else "sha256-WU+I+mmoyXvW1pvqJLddPaA8/tod3TtvqzVPYJRbGz4=";
+    fetchSubmodules = enableVgui;
+  };
+
+  cmakeFlags = let
+    optionals = lib.optionals;
+    optional = (cond: val: optionals cond [val]);
+    cmakeBool = (x: if x then "ON" else "OFF");
+  in [
+    "-DUSE_VGUI=${cmakeBool enableVgui}"
+    "-DGOLDSOURCE_SUPPORT=${cmakeBool enableGoldsourceSupport}"
+    "-DUSE_VOICEMGR=${cmakeBool enableVoicemgr}"
+    "-DBARNACLE_FIX_VISIBILITY=${cmakeBool enableBugfixes}"
+    "-DCROWBAR_DELAY_FIX=${cmakeBool enableBugfixes}"
+    "-DCROWBAR_FIX_RAPID_CROWBAR=${cmakeBool enableBugfixes}"
+    "-DGAUSS_OVERCHARGE_FIX=${cmakeBool enableBugfixes}"
+    "-DTRIPMINE_BEAM_DUPLICATION_FIX=${cmakeBool enableBugfixes}"
+    "-DHANDGRENADE_DEPLOY_FIX=${cmakeBool enableBugfixes}"
+    "-DWEAPONS_ANIMATION_TIMES_FIX=${cmakeBool enableBugfixes}"
+    "-DCROWBAR_IDLE_ANIM=${cmakeBool enableCrowbarIdleAnim}"
+  ] ++ (optional (gamedir != "valve") "-DGAMEDIR=${gamedir}")
+    ++ (optional stdenv.is64bit "-D64BIT=ON");
+
+  meta = with lib; {
+    description = "Portable Half-Life SDK. GoldSource and Xash3D. Crossplatform.";
+    homepage = "https://github.com/FWGS/hlsdk-portable";
+    license = with licenses; [ unfree ];
+    # maintainers = with maintainers; [ chayleaf ];
+  };
+}