Update Zig to 0.16.0

it complains about its own generated code with ReleaseSafe
optimize option, therefore we use ReleaseFast -- YOLO

Author: Gatsik

.github/workflows/release.yml

@@ -11,7 +11,7 @@ env:
   ICE_ADAPTER_VERSION: 3.3.12
   BUILD_VERSION: ${{ github.event.inputs.version }}
   PYTHON_VERSION: 3.14
-  ZIG_VERSION: 0.15.2
+  ZIG_VERSION: 0.16.0
   JAVA_DISTRIBUTION: "oracle"
   JAVA_VERSION: 25
 
@@ -67,7 +67,7 @@ jobs:
           Write-Host "LIBPY=$LIBPY"
           $INCLUDEPY = $(python -c "import sysconfig; print(sysconfig.get_config_var('INCLUDEPY'))")
           Write-Host "INCLUDEPY=$INCLUDEPY"
-          zig build-lib -dynamic -lc -lpython3 -I"$INCLUDEPY" -L"$LIBPY" -O ReleaseSafe --name zigfafreplay src/replays/zigparser/zigfafreplay.zig
+          zig build-lib -dynamic -lc -lpython3 -I"$INCLUDEPY" -L"$LIBPY" -O ReleaseFast --name zigfafreplay src/replays/zigparser/zigfafreplay.zig
           move zigfafreplay.dll zigfafreplay.pyd
 
 
@@ -167,7 +167,7 @@ jobs:
           echo "LIBPY=$LIBPY"
           INCLUDEPY=$(python3 -c "import sysconfig; print(sysconfig.get_config_var('INCLUDEPY'))")
           echo "INCLUDEPY=$INCLUDEPY"
-          zig build-lib -dynamic -lc -lpython$PYTHON_VERSION -I$INCLUDEPY -L$LIBPY -O ReleaseSafe --name zigfafreplay src/replays/zigparser/zigfafreplay.zig
+          zig build-lib -dynamic -lc -lpython$PYTHON_VERSION -I$INCLUDEPY -L$LIBPY -O ReleaseFast --name zigfafreplay src/replays/zigparser/zigfafreplay.zig
           mv libzigfafreplay.so zigfafreplay.so
 
       - name: Shrink scipy dependency

src/replays/zigparser/decompressor.zig

@@ -33,8 +33,8 @@ pub fn decompress(compressed: []u8, allocator: Allocator) !structs.Preprocessed
     return .{ .metadata = metadata, .data = data };
 }
 
-pub fn decompress_file(path: []const u8, allocator: Allocator) !structs.Preprocessed {
-    const replay = try std.fs.cwd().readFileAlloc(allocator, path, 0x20000000);
+pub fn decompress_file(io: std.Io, path: []const u8, allocator: Allocator) !structs.Preprocessed {
+    const replay = try std.Io.Dir.cwd().readFileAlloc(io, path, allocator, .limited(0x20000000));
     defer allocator.free(replay);
     return try decompress(replay, allocator);
 }

src/replays/zigparser/zigfafreplay.zig

@@ -6,6 +6,9 @@ const decompressor = @import("decompressor.zig");
 const parser = @import("parser.zig");
 const structs = @import("structs.zig");
 
+var threaded: std.Io.Threaded = .init_single_threaded;
+const io = threaded.io();
+
 fn parse_replaydata(_: [*c]py.PyObject, args: [*c]py.PyObject) callconv(.c) [*c]py.PyObject {
     var buf: py.Py_buffer = undefined;
     if (py.PyArg_ParseTuple(args, "y*", &buf) == 0) {
@@ -74,7 +77,7 @@ fn parse_file(_: [*c]py.PyObject, args: [*c]py.PyObject) callconv(.c) [*c]py.PyO
     const size: usize = @intCast(buf.len);
     const path: []u8 = @as([*]u8, @ptrCast(buf.buf))[0..size];
 
-    const preprocessed = decompressor.decompress_file(path, allocator) catch return py.Py_BuildValue("");
+    const preprocessed = decompressor.decompress_file(io, path, allocator) catch return py.Py_BuildValue("");
     defer preprocessed.deinit(allocator);
 
     var replay_parser = parser.parse(preprocessed.data, allocator) catch |err| {