Added reading of Doom WAD files in Zig

4 files changed, 19 insertions, 0 deletions

diff --git a/README.md b/README.md
index 8fad2cc..0fe7b3a 100644
--- a/README.md
+++ b/README.md
@@ -24,3 +24,4 @@ running it.
 | [zig-http](./zig-http)           | Basic example of a HTTP 1.1 server without any routing etc.    |
 | [zig-x11-box](./zig-x11-box)     | Move a box around with arrow keys with Xlib and Zig.           |
 | [zig-kv-store](./zig-kv-store)   | Simple Key-value store that mimics memcached written in Zig.   |
+| [zig-wad](./zig-wad)             | Reads doom.wad and extracts the identification header.         |
diff --git a/zig-wad/Makefile b/zig-wad/Makefile
new file mode 100644
index 0000000..b962fd1
--- /dev/null
+++ b/zig-wad/Makefile
@@ -0,0 +1,2 @@
+default:
+	zig run main.zig
diff --git a/zig-wad/doom.wad b/zig-wad/doom.wad
new file mode 100644
index 0000000..27b28af
--- /dev/null
+++ b/zig-wad/doom.wad
diff --git a/zig-wad/main.zig b/zig-wad/main.zig
new file mode 100644
index 0000000..4d1364e
--- /dev/null
+++ b/zig-wad/main.zig
@@ -0,0 +1,16 @@
+const std = @import("std");
+
+const WADHeader = struct { identification: [4]u8 };
+
+pub fn main() !void {
+    var file = try std.fs.cwd().openFile("doom.wad", .{});
+    defer file.close();
+
+    var buffer = try std.heap.page_allocator.alignedAlloc(u8, @alignOf(WADHeader), @sizeOf(WADHeader));
+    defer std.heap.page_allocator.free(buffer);
+
+    _ = try file.read(buffer);
+
+    var header: *const WADHeader = @as(*const WADHeader, @ptrCast(buffer.ptr));
+    std.debug.print("WAD Type: {s}\n", .{header.identification});
+}