Create nix flake for compiling and developing

.gitignore

@@ -128,6 +128,9 @@ compile_commands.json
 .cache/
 dbc_extract3/cache/live/DBCache.bin
 dbc_extract3/cache/ptr/DBCache.bin
+.direnv
+.envrc
+result
 
 apikey.txt
 

flake.nix

@@ -0,0 +1,91 @@
+{
+  description = "simulationcraft";
+
+  inputs = {
+    flake-utils.url = "github:numtide/flake-utils";
+    nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
+  };
+
+  outputs =
+    {
+      flake-utils,
+      nixpkgs,
+      self,
+      ...
+    }:
+    flake-utils.lib.eachDefaultSystem (
+      system:
+      let
+        pkgs = import nixpkgs { inherit system; };
+        llvm = pkgs.llvmPackages_latest;
+
+        packages = with pkgs; [
+          clang-tools
+          llvm.clang
+          llvm.lldb
+        ];
+
+        qtPackages =
+          with pkgs;
+          [
+            qt6.qtbase
+            qt6.qtwebengine
+          ]
+          ++ packages;
+
+        nbi = with pkgs; [
+          curlFull
+          cmake
+          pkg-config
+        ];
+
+        qtNbi = with pkgs; [ qt6.wrapQtAppsHook ] ++ nbi;
+
+        rev = self.rev or "dirty";
+        version = pkgs.runCommand "version" { } ''
+          SC_MAJOR_VERSION=$(cat ${self}/engine/config.hpp | grep "#define SC_MAJOR_VERSION" | awk '{ print $3 }' | tr -d '"')
+          SC_MINOR_VERSION=$(cat ${self}/engine/config.hpp | grep "#define SC_MINOR_VERSION" | awk '{ print $3 }' | tr -d '"')
+          echo "$SC_MAJOR_VERSION"-"$SC_MINOR_VERSION" >> $out
+        '';
+      in
+      {
+        devShells = {
+          default = self.devShells.${system}.simc;
+          simc = pkgs.mkShell {
+            nativeBuildInputs = nbi;
+            packages = packages;
+          };
+
+          simcqt = pkgs.mkShell {
+            nativeBuildInputs = qtNbi;
+            packages = qtPackages;
+          };
+        };
+
+        packages = {
+          default = self.packages.${system}.simc;
+          simc = llvm.stdenv.mkDerivation {
+            pname = "simc";
+            version = "${builtins.readFile version}${rev}";
+            src = self;
+            nativeBuildInputs = nbi;
+            buildInputs = packages;
+            sconsFlags = "";
+            enableParallelBuilding = true;
+            cmakeFlags = [ "-DBUILD_GUI=OFF" ];
+          };
+
+          simcqt = llvm.stdenv.mkDerivation {
+            pname = "simcqt";
+            version = "${builtins.readFile version}${rev}";
+            src = self;
+            nativeBuildInputs = qtNbi;
+            buildInputs = qtPackages;
+            sconsFlags = "";
+            enableParallelBuilding = true;
+            cmakeFlags = [ "-DCMAKE_PREFIX_PATH=${pkgs.qt6.qtbase}/lib/cmake" ];
+          };
+        };
+      }
+    );
+}