build: migrate from Make to Zig build system + Just

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

.editorconfig

@@ -5,6 +5,8 @@ charset = utf-8
 end_of_line = lf
 insert_final_newline = true
 trim_trailing_whitespace = true
+indent_size = 2
+tab_width = 2
 
 [*.c]
 ident_style = space

.gitignore

@@ -1,6 +1,12 @@
-# ignore build artifacts
-result
+# Nix
+/.direnv/
+result*
+
+# Build artifacts
 build
 obj
 roguelike
+
+# Zig
 .zig-cache
+.zig-out

Justfile

@@ -0,0 +1,20 @@
+# Build the project
+build:
+  zig build
+
+# Build and run
+dev:
+  zig build run
+
+# Clean build artifacts
+clean:
+  rm -rf zig-out .zig-cache
+
+# Format all C source files
+fmt:
+  clang-format -i src/*.c src/*.h
+  zig fmt **/*.zig
+
+# Check formatting
+fmt-check:
+  clang-format --dry-run --Werror src/*.c src/*.h

Makefile

@@ -1,45 +0,0 @@
-# Makefile for Roguelike Game
-# Requires raylib, pkg-config
-
-CC := cc
-CFLAGS := -Wall -Wextra -O2 -std=c99 -Isrc
-LDFLAGS := -lraylib -lm -lpthread -ldl -lrt
-
-TARGET := roguelike
-SRCDIR := src
-OBJDIR := obj
-
-SOURCES := $(wildcard $(SRCDIR)/*.c)
-OBJECTS := $(patsubst $(SRCDIR)/%.c,$(OBJDIR)/%.o,$(SOURCES))
-
-.PHONY: all clean format format-check
-
-all: $(TARGET)
-
-$(TARGET): $(OBJECTS)
-	$(CC) $^ -o $@ $(LDFLAGS)
-
-$(OBJDIR)/%.o: $(SRCDIR)/%.c
-	@mkdir -p $(dir $@)
-	$(CC) $(CFLAGS) -c $< -o $@
-
-clean:
-	rm -rf $(OBJDIR) $(TARGET)
-
-# Alias for development
-dev: all
-	./$(TARGET)
-
-# Format all source files with clang-format
-fmt:
-	@command -v clang-format >/dev/null 2>&1 || { echo "Error: clang-format is missing"; exit 1; }
-	@echo "Formatting source files..."
-	@clang-format -i $(SOURCES) $(wildcard $(SRCDIR)/*.h)
-	@echo "Done formatting."
-
-# Check formatting without modifying files
-fmt-check:
-	@command -v clang-format >/dev/null 2>&1 || { echo "Error: clang-format is missing"; exit 1; }
-	@echo "Checking formatting..."
-	@clang-format --dry-run --Werror \
-		$(SOURCES) $(wildcard $(SRCDIR)/*.h) && echo "All files properly formatted." || { echo "Formatting issues found. Run 'make fmt' to fix."; exit 1; }

build.zig

@@ -0,0 +1,73 @@
+const std = @import("std");
+
+pub fn build(b: *std.Build) void {
+    const target = b.standardTargetOptions(.{});
+    const optimize = b.standardOptimizeOption(.{});
+
+    // Zig combat library
+    const combat_lib = b.addLibrary(.{
+        .name = "combat",
+        .root_module = b.createModule(.{
+            .root_source_file = b.path("libs/combat/combat.zig"),
+            .target = target,
+            .optimize = optimize,
+            .link_libc = true,
+        }),
+    });
+    combat_lib.addIncludePath(b.path("src"));
+
+    // C sources (everything except combat, which is now Zig)
+    const c_sources = [_][]const u8{
+        "src/audio.c",
+        "src/enemy.c",
+        "src/items.c",
+        "src/main.c",
+        "src/map.c",
+        "src/player.c",
+        "src/render.c",
+        "src/rng.c",
+        "src/settings.c",
+        "src/utils.c",
+    };
+
+    const c_flags = [_][]const u8{
+        "-std=c99",
+        "-Wall",
+        "-Wextra",
+        "-O2",
+    };
+
+    // Main executable
+    const exe = b.addExecutable(.{
+        .name = "roguelike",
+        .root_module = b.createModule(.{
+            .target = target,
+            .optimize = optimize,
+            .link_libc = true,
+        }),
+    });
+
+    exe.addCSourceFiles(.{
+        .files = &c_sources,
+        .flags = &c_flags,
+    });
+
+    exe.addIncludePath(b.path("src"));
+    exe.linkLibrary(combat_lib);
+    exe.linkSystemLibrary("raylib");
+    exe.linkSystemLibrary("m");
+    exe.linkSystemLibrary("pthread");
+    exe.linkSystemLibrary("dl");
+    exe.linkSystemLibrary("rt");
+
+    b.installArtifact(exe);
+
+    // Run step
+    const run_cmd = b.addRunArtifact(exe);
+    run_cmd.step.dependOn(b.getInstallStep());
+    if (b.args) |args| {
+        run_cmd.addArgs(args);
+    }
+    const run_step = b.step("run", "Build and run the roguelike");
+    run_step.dependOn(&run_cmd.step);
+}

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";
+  };
 })

nix/shell.nix

@@ -2,9 +2,10 @@
   mkShell,
   clang-tools,
   raylib,
-  gnumake,
   pkg-config,
+  just,
   zig,
+  zig-zlint,
 }:
 mkShell {
   strictDeps = true;
@@ -14,7 +15,9 @@ mkShell {
   nativeBuildInputs = [
     pkg-config
     clang-tools
-    gnumake
+    just
+
     zig
+    zig-zlint
   ];
 }