build: migrate from Make to Zig build system + Just

Signed-off-by: NotAShelf <raf@notashelf.dev>
Change-Id: I7585121a5ec8e797adc43ba8e30d4ac86a6a6964

nix/package.nix

@@ -1,6 +1,12 @@
-{stdenv}:
+{
+  lib,
+  stdenv,
+  zig,
+  raylib,
+  pkg-config,
+}:
 stdenv.mkDerivation (finalAttrs: {
-  pname = "sample-c-cpp";
+  pname = "rogged";
   version = "0.0.1";
 
   src = builtins.path {
@@ -8,5 +14,32 @@ stdenv.mkDerivation (finalAttrs: {
     name = finalAttrs.pname;
   };
 
-  makeFlags = ["PREFIX=$(out)"];
+  nativeBuildInputs = [
+    zig
+    pkg-config
+  ];
+
+  buildInputs = [raylib];
+
+  dontConfigure = true;
+
+  buildPhase = ''
+    runHook preBuild
+    export ZIG_GLOBAL_CACHE_DIR="$TMPDIR/zig-cache"
+    zig build --release=fast
+    runHook postBuild
+  '';
+
+  installPhase = ''
+    runHook preInstall
+    mkdir -p $out/bin
+    cp zig-out/bin/roguelike $out/bin/
+    runHook postInstall
+  '';
+
+  meta = {
+    description = "A turn-based roguelike game";
+    license = lib.licenses.mit;
+    mainProgram = "roguelike";
+  };
 })