using StereoKit;
using StereoKit.Framework;


namespace snake;

class Program
{
    static void Main(string[] args)
    {
        SK.AddStepper<PassthroughFBExt>();

        // Initialize StereoKit
        SKSettings settings = new SKSettings
        {
            appName = "snake",
            assetsFolder = "Assets",
            blendPreference = DisplayBlend.AnyTransparent,
            // overlayApp = true,
            // overlayPriority = 1,
            depthMode = DepthMode.D32,
            disableFlatscreenMRSim = true,
            renderScaling = 2,
            renderMultisample = 0,
        };

        if (!SK.Initialize(settings))
            return;

        Renderer.Scaling = 2;
        World.OcclusionEnabled = true;
        Device.DisplayBlend = DisplayBlend.AnyTransparent;
        Renderer.EnableSky = false;
        Renderer.ClearColor = new Color(0.0f, 0.0f, 0.0f, 0.0f);

        Rig.Init();
        Mono.Init();
        VFX.Init();
        Arts.Init();

        VCam.Init();

        // Core application loop
        SK.Run(() =>
        {
            Rig.Frame();
            Mono.Frame();

            // stepper
            // if (Time.Total > 3.0) return; // buffer app loading [!] relace with user prompt to start (spawn box in hand or something)

            if (!Mono.menu)
            {
                Mono.game_time += Time.Step;
                if (Mono.intro)
                {
                    Mono.step_time = Maths.min(Mono.step_time + Time.Step, Mono.step_step);
                    Mono.step_t = Maths.u_clamp(Maths.min(Mono.step_time, Mono.step_step) / Mono.step_step);
                    if (Rig.btn_select.delta == +1)
                    {
                        Mono.step_time = 0.0;
                        Mono.step_t = 0.0;

                        Mono.Step();
                        Arts.Step();

                        if (Mono.grow_buffer > 0)
                        {
                            Mono.intro = false;
                        }
                    }

                    if (Rig.btn_select.state)
                    {
                        Mono.intro_skip += Time.Step;
                        if (Mono.intro_skip >= 1.0)
                        {
                            Mono.intro = false;
                        }
                    }

                    if (Rig.btn_select.delta == -1)
                    {
                        Mono.intro_skip = 0.0;
                    }
                }
                else
                {
                    Mono.step_time = Maths.min(Mono.step_time + Time.Step, Mono.step_step);
                    Mono.step_t = Maths.u_clamp(Maths.min(Mono.step_time, Mono.step_step) / Mono.step_step);
                    if (Mono.step_time >= Mono.step_step)
                    {
                        Mono.step_time -= Mono.step_step;
                        Mono.step_t = 0.0;


                        Mono.Step();
                        Arts.Step();
                    }
                }

                VFX.Frame();
            }

            Arts.Frame();

            VCam.Frame();
        });
    }
}