import core::raylib;
استورد أساسي::رايليب.

fn start_main() -> i64 {
    // Layout and measurement need no display. Text stays in logical order.
    let loaded_font = raylib::GetFontDefault();
    if not loaded_font::ok { print(loaded_font::error::message); return 1; }
    let options = raylib::TextOptions {
        font_size: 32.0, direction: raylib::TEXT_DIRECTION_AUTO,
        has_width: true, width: 430.0, alignment: raylib::TEXT_ALIGNMENT_START,
        line_spacing: 4.0
    };
    let prepared = رايليب::أنشئ_تخطيط_نص(loaded_font::value, "سلام ASPL 123\nبَِّ Hello", options);
    if not prepared::ok { print(prepared::error::message); return 2; }
    let layout = prepared::value;
    let measured = raylib::MeasureTextLayout(layout);
    if not measured::ok { print(measured::error::message); return 3; }
    let audio = رايليب::هيئ_جهاز_الصوت();
    if not audio::ok { print(audio::error::message); return 4; }
    let loaded_music = raylib::LoadMusicStream("docs/examples/assets/raylib-tone.ogg");
    if not loaded_music::ok { print(loaded_music::error::message); return 5; }
    let music = loaded_music::value;
    if not raylib::SetMusicLooping(music, true)::ok or not raylib::PlayMusicStream(music)::ok { return 6; }
    let opened = raylib::InitWindow(500, 300, "Shaped text / نص مشكل");
    if not opened::ok { print(opened::error::message); return 7; }
    if not raylib::SetTargetFPS(60)::ok { return 8; }
    var frame: i32 = 0;
    while frame < 60 {
        let closing = raylib::WindowShouldClose();
        if not closing::ok { return 9; }
        if closing::value { return 0; }
        // Streaming advances only when the application calls UpdateMusicStream.
        if not raylib::UpdateMusicStream(music)::ok { return 10; }
        if not raylib::BeginDrawing()::ok or not raylib::ClearBackground(raylib::RAYWHITE)::ok { return 11; }
        let size = measured::value::size;
        let ink = measured::value::ink;
        let box = raylib::Rectangle { x: 30.0, y: 30.0, width: size::x, height: size::y };
        if not raylib::DrawRectangleLinesEx(box, 1.0, raylib::GRAY)::ok { return 12; }
        let ink_box = raylib::Rectangle { x: 30.0 + ink::x, y: 30.0 + ink::y, width: ink::width, height: ink::height };
        if not raylib::DrawRectangleLinesEx(ink_box, 1.0, raylib::RED)::ok { return 13; }
        if not رايليب::ارسم_تخطيط_النص(layout, raylib::Vector2 { x: 30.0, y: 30.0 }, raylib::BLACK)::ok { return 14; }
        if not raylib::EndDrawing()::ok { return 15; }
        frame = frame + 1;
    }
    if not raylib::UnloadMusicStream(music)::ok or not raylib::CloseAudioDevice()::ok { return 16; }
    if not raylib::CloseWindow()::ok or not raylib::UnloadTextLayout(layout)::ok { return 17; }
    print("shaped text and explicit music updates complete\n");
    return 0;
}