module;
#include <wrl/client.h>

export module Steve;

import GameObject;
import Input;

export struct Steve : GameObject
{
    static constexpr const float ground_height = 50;
    static constexpr const float x_pos = 100;
    float a, v, h;
    bool jumping = false;
    float time = 0.0f;

    static constexpr Rect IdleRect = { 76, 2, 164, 96 };
    static constexpr Rect NormalRect = { 1678, 2, 1766, 96 };
    static constexpr Rect CloseEyeRect = { 1766, 2, 1854, 96 };
    static constexpr Rect RightRect = { 1854, 2, 1942, 96 };
    static constexpr Rect LeftRect = { 1942, 2, 2030, 96 };
    static constexpr Rect BigEyeRect = { 2030, 2, 2118, 96 };
    static constexpr Rect DeadRect = { 2122, 2, 2202, 96 };
    static constexpr Rect CrawlingRightRect = { 2203, 2, 2321, 96 };
    static constexpr Rect CrawlingLeftRect = { 2321, 2, 2439, 96 };

    enum Status { Idle, Running, Jumping, Freefall, Crawling, Dead } status;

    virtual void OnStartUp() override
    {
        imge.rect = IdleRect;

        Anch = { 0.5f,0 };
        Posi = { x_pos, ground_height };
        Size = imge.rect.size();

        a = v = h = 0.0f;
    }
    virtual void OnCleanUp() override
    {
        imge.bitmap = nullptr;
    }
    virtual void OnUpdate(float delta) override
    {
        if (isPaused) return;
        time += delta;
        switch (status)
        {
        case Steve::Idle:
            if (KeyBoard::GetKey(VK_SPACE)) status = Running;
            imge.rect = IdleRect;
            Size = imge.rect.size();
            break;
        case Steve::Running:
            if (KeyBoard::GetKey(VK_SPACE))
            {
                status = Jumping;
                break;
            }
            if (KeyBoard::GetKey(VK_DOWN))
            {
                status = Crawling;
                break;
            }
            imge.rect = (int)(time / 0.1) % 2 ? LeftRect : RightRect;
            Size = imge.rect.size();
            break;
        case Steve::Jumping:
            imge.rect = NormalRect;
            Size = imge.rect.size();
            if ((h < 75 || KeyBoard::GetKey(VK_SPACE)) && h < 150.f)
            {
                v = 1000.f;
                h += v * delta;
                Posi.y = ground_height + h;
            }
            else
            {
                status = Freefall;
            }
            break;
        case Steve::Freefall:
            a = -8000.f;
            v += a * delta;
            if (v < -1200) v = -1200;
            h += v * delta;
            Posi.y = ground_height + h;
            if (Posi.y <= ground_height)
            {
                status = Running;
                Posi.y = ground_height;
            }
            break;
        case Steve::Crawling:
            if (KeyBoard::GetKey(VK_DOWN))
            {
                imge.rect = (int)(time / 0.1) % 2 ? CrawlingLeftRect : CrawlingRightRect;
                Size = imge.rect.size();
            }
            else
            {
                status = Running;
            }
            break;
        default:
            break;
        }
    }
    virtual void OnLaterUpdate(float delta) override
    {
        if (isPaused) return;
    }
    virtual void OnReset() override
    {
        imge.rect = IdleRect;
        status = Idle;

        Anch = { 0.5f,0 };
        Posi = { x_pos, ground_height };
        Size = imge.rect.size();

        a = v = h = 0.0f;
    }
};