From b201817d1284e4d436776cbcad08af55a1e731db Mon Sep 17 00:00:00 2001
From: Fabien Freling <public@ffreling.com>
Date: Wed, 4 Oct 2023 14:20:49 +0200
Subject: [PATCH] call raylib from zig

---
 zig/build.zig    | 18 ++++++++----------
 zig/justfile     | 16 ++++++++++++++++
 zig/src/main.zig | 26 ++++++++++++++------------
 3 files changed, 38 insertions(+), 22 deletions(-)
 create mode 100644 zig/justfile

diff --git a/zig/build.zig b/zig/build.zig
index 93ff5e0..047fe53 100644
--- a/zig/build.zig
+++ b/zig/build.zig
@@ -4,26 +4,24 @@ const std = @import("std");
 // declaratively construct a build graph that will be executed by an external
 // runner.
 pub fn build(b: *std.Build) void {
-    // Standard target options allows the person running `zig build` to choose
-    // what target to build for. Here we do not override the defaults, which
-    // means any target is allowed, and the default is native. Other options
-    // for restricting supported target set are available.
     const target = b.standardTargetOptions(.{});
-
-    // Standard optimization options allow the person running `zig build` to select
-    // between Debug, ReleaseSafe, ReleaseFast, and ReleaseSmall. Here we do not
-    // set a preferred release mode, allowing the user to decide how to optimize.
     const optimize = b.standardOptimizeOption(.{});
 
     const exe = b.addExecutable(.{
         .name = "zig",
-        // In this case the main source file is merely a path, however, in more
-        // complicated build scripts, this could be a generated file.
         .root_source_file = .{ .path = "src/main.zig" },
         .target = target,
         .optimize = optimize,
     });
 
+    // We cannot directly use modules since v4.5 is not compatible with zig
+    // v0.11
+    const raylib_dep = b.anonymousDependency("3rd-party/raylib/", @import("3rd-party/raylib/build.zig"), .{
+        .target = target,
+        .optimize = optimize,
+    });
+    exe.linkLibrary(raylib_dep.artifact("raylib"));
+
     // This declares intent for the executable to be installed into the
     // standard location when the user invokes the "install" step (the default
     // step when running `zig build`).
diff --git a/zig/justfile b/zig/justfile
new file mode 100644
index 0000000..3abe747
--- /dev/null
+++ b/zig/justfile
@@ -0,0 +1,16 @@
+alias b := build
+alias r := run
+alias t := test
+alias fmt := format
+
+build:
+    zig build
+
+run:
+    nixGL zig build run
+
+test:
+    zig build test
+
+format:
+    fd -e zig -X zig fmt {}
diff --git a/zig/src/main.zig b/zig/src/main.zig
index c8a3f67..d9cff41 100644
--- a/zig/src/main.zig
+++ b/zig/src/main.zig
@@ -1,19 +1,21 @@
 const std = @import("std");
+const raylib = @cImport({
+    @cInclude("raylib.h");
+});
 
 pub fn main() !void {
-    // Prints to stderr (it's a shortcut based on `std.io.getStdErr()`)
-    std.debug.print("All your {s} are belong to us.\n", .{"codebase"});
+    const screen_width = 800;
+    const screen_height = 450;
+    raylib.InitWindow(screen_width, screen_height, "raylib [core] example - basic window");
+    raylib.SetTargetFPS(60);
+    while (!raylib.WindowShouldClose()) {
+        raylib.BeginDrawing();
+        defer raylib.EndDrawing();
 
-    // stdout is for the actual output of your application, for example if you
-    // are implementing gzip, then only the compressed bytes should be sent to
-    // stdout, not any debugging messages.
-    const stdout_file = std.io.getStdOut().writer();
-    var bw = std.io.bufferedWriter(stdout_file);
-    const stdout = bw.writer();
-
-    try stdout.print("Run `zig build test` to run the tests.\n", .{});
-
-    try bw.flush(); // don't forget to flush!
+        raylib.ClearBackground(raylib.RAYWHITE);
+        raylib.DrawText("Congrats! You created your first window!", 190, 200, 20, raylib.LIGHTGRAY);
+    }
+    raylib.CloseWindow();
 }
 
 test "simple test" {