Fantasizing about C API and plugins

src/assets/Textures.zig

@@ -141,7 +141,7 @@ pub fn deinit(self: *Textures, engine: *Engine, allocator: std.mem.Allocator) vo
 /// Get the ID of a texture given its filename (as a string) and usage. Returns
 /// `null` if such texture hasn't been loaded. When the filename is `null`,
 /// returns an empty texture ID appropriate for given usage.
-pub fn get(self: *const Textures, maybe_filename: []const u8, usage: Texture.Usage) ?Id {
+pub fn get(self: *const Textures, maybe_filename: ?[]const u8, usage: Texture.Usage) ?Id {
     if (maybe_filename) |filename| {
         return self.map.get(.{
             // If the atom doesn't exist, then the texture cannot possibly exist.

src/voxels.zig

@@ -51,14 +51,14 @@ pub const Orientation = enum(u3) {
 };
 
 pub const Transform = enum(u3) {
-    identity,
-    rotate_cw,
-    rotate_ccw,
-    rotate_180,
-    mirror,
-    mirror_rotate_cw,
-    mirror_rotate_ccw,
-    mirror_rotate_180,
+    identity = 0,
+    rotate_cw = 1,
+    rotate_ccw = 2,
+    rotate_180 = 3,
+    mirror = 4,
+    mirror_rotate_cw = 5,
+    mirror_rotate_ccw = 6,
+    mirror_rotate_180 = 7,
 };
 
 //  ┌──────────────────── x