From 26f347455410db42a958102f50d6d52ef7e74cab Mon Sep 17 00:00:00 2001 From: Mitja Felicijan Date: Wed, 18 Sep 2024 08:50:34 +0200 Subject: Added reading of Doom WAD files in Zig --- README.md | 1 + zig-wad/Makefile | 2 ++ zig-wad/doom.wad | Bin 0 -> 4196020 bytes zig-wad/main.zig | 16 ++++++++++++++++ 4 files changed, 19 insertions(+) create mode 100644 zig-wad/Makefile create mode 100644 zig-wad/doom.wad create mode 100644 zig-wad/main.zig 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 Binary files /dev/null and b/zig-wad/doom.wad differ 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}); +} -- cgit v1.2.3