公共 API 参考（OmsiLaunch.Api）

public sealed record OmsiLaunchRuntimePaths(string PluginBuildDirectory, string NativeBridgePath, string? ReleaseManifestPath = null);
public sealed class OmsiLaunchService : IOmsiLaunch
{
    public OmsiLaunchService(IRuntimePlatform platform, OmsiLaunchRuntimePaths runtimePaths);
}

using OmsiLaunch.Api;
using OmsiLaunch.Core;
using OmsiLaunch.Process;

var package = AppContext.BaseDirectory;                       // directory that contains OmsiLaunch.exe
var plugins = Path.Combine(package, "plugins");
var manifest = Path.Combine(package, "release-manifest.json");
IOmsiLaunch launch = new OmsiLaunchService(
    new CurrentWindowsX64Platform(),
    new OmsiLaunchRuntimePaths(plugins, Path.Combine(plugins, "OmsiLaunch.Native.x86.dll"), File.Exists(manifest) ? manifest : null));

public interface IOmsiLaunch
{
    Task<SessionPlan> PlanSessionAsync(LaunchSpec spec, CancellationToken cancellationToken = default);
    Task<SessionHandle> StartSessionAsync(SessionPlan plan, CancellationToken cancellationToken = default);
    Task<SessionStatus> GetStatusAsync(SessionHandle session, CancellationToken cancellationToken = default);
    Task<SessionStatus> WaitForAsync(SessionHandle session, SessionState state, TimeSpan timeout, CancellationToken cancellationToken = default);
    Task StopAsync(SessionHandle session, CancellationToken cancellationToken = default);
    Task CloseAsync(SessionHandle session, CancellationToken cancellationToken = default);
    Task<RuntimeCommandResult> ExecuteRuntimeAsync(SessionHandle session, RuntimeCommand command, TimeSpan timeout, CancellationToken cancellationToken = default);
    Task<IReadOnlyList<Capability>> GetCapabilitiesAsync(InstallationSpec installation, CancellationToken cancellationToken = default);
    Task<IReadOnlyList<ContentIdentity>> DiscoverAsync(InstallationSpec installation, ContentQueryKind query, OptionalValue<string> scope = default, CancellationToken cancellationToken = default);
    Task<RecoveryStatus> RecoverPendingAsync(InstallationSpec installation, bool restore, CancellationToken cancellationToken = default);
}

var none = new Dictionary<string, OptionalValue<string>>();
var spec = new LaunchSpec(
    Installation: new InstallationSpec(@"C:\OMSI 2"),
    World: new WorldSpec(WorldMode.NewMap, OptionalValue<string>.Set(@"maps\Grundorf\global.cfg"), OptionalValue<string>.Unset, OptionalValue<int>.Set(1)),
    Date: new DateSpec(DateTimeMode.Unset, OptionalValue<SemanticDate>.Unset),
    Time: new TimeSpec(DateTimeMode.Unset, OptionalValue<SemanticTime>.Unset),
    PlayerVehicle: OptionalValue<PlayerVehicleSpec>.Unset,
    Environment: new EnvironmentSpec(none, none, none, none, none, none, none, none),
    Behavior: new LaunchBehaviorSpec());

var plan = await launch.PlanSessionAsync(spec);
if (!plan.IsRunnable) { foreach (var d in plan.Diagnostics) Console.WriteLine($"{d.Code}: {d.Message}"); return; }

var session = await launch.StartSessionAsync(plan);
try
{
    var status = await launch.WaitForAsync(session, SessionState.Running, TimeSpan.FromSeconds(plan.Spec.Behavior.StartupTimeoutSeconds + 5));
    if (status.State == SessionState.Running)
    {
        var time = await launch.ExecuteRuntimeAsync(session, new RuntimeCommand(session.SessionId, 1, "time.read"), TimeSpan.FromSeconds(5));
        Console.WriteLine(time.Succeeded ? $"{time.Values!["hour"]}:{time.Values["minute"]}" : time.ErrorCode);
        await launch.StopAsync(session);
    }
    var final = await launch.WaitForAsync(session, SessionState.Completed, Timeout.InfiniteTimeSpan);
    Console.WriteLine(final.State);                      // Completed, or Failed with diagnostics
}
finally
{
    await launch.CloseAsync(session);                    // always
}

var status = await launch.GetD3DStatusAsync(session, TimeSpan.FromSeconds(5));
if (status.State == D3DDeviceState.Ready)
{
    var texture = await launch.CreateD3DTextureAsync(session, 8, 8, D3DTextureFormat.A8R8G8B8);
    var pixels = new byte[8 * 8 * 4];
    await launch.UpdateD3DTextureAsync(session, texture.Handle, new D3DTextureUpdate(0, 0, 0, 8, 8, pixels));
    await launch.ReleaseD3DTextureAsync(session, texture.Handle);
}

var same = InstallationPaths.IdentityKey(@"C:\OMSI") == InstallationPaths.IdentityKey(@"c:\foo\..\OMSI\"); // true
InstallationPaths.TryGetContainedRelativePath(@"C:\OMSI", @"Sceneryobjects\\x\texture\a.tga", out var relative); // true, "Sceneryobjects\x\texture\a.tga"

static async Task<SessionPlan> PlanProfileAsync(IOmsiLaunch launch, LaunchSpec baseline, string installationRoot, string profileId)
{
    // baseline: a LaunchSpec for installationRoot with World.Mode = WorldMode.NewMap (see the complete example).
    var profile = SessionProfileCompiler.Load(installationRoot, profileId, presetIndex: 1);
    var spec = SessionProfileCompiler.Apply(profile, baseline, WorldMode.NewMap);
    return await launch.PlanSessionAsync(spec); // plan.Spec.SessionProfile carries the provenance
}