loaded = false;
border_fade_out = false;
border_fade_in = false;
border_alpha = 1;
border_fade_value = 0.025;
overlay_alpha = 1;
overlay_alpha_target = 1;
overlay_fade_speed = 0.025;
overlay_color = 0;
_border_image = border_lw_town;
_border_image_temp = _border_image;
_border_image_temp_alpha = 0;
_border_image_temp_alpha_amount = 0.025;
_border_image_layer = -4;
ww = window_get_width();
wh = window_get_height();
sw = surface_get_width(application_surface);
sh = surface_get_height(application_surface);
var scale_w = ww / sw;
var scale_h = wh / sh;
custom_effect = -1;
custom_effect_con = 0;
custom_effect_alpha = 0;
custom_effect_alpha_target = 0;
custom_effect_color = 0;
custom_effect_fade_speed = 0.2;
_border_image_siner = 0;
_border_image_alpha = 1;
_border_crossfade = false;
_border_frame_top_alpha = 0;
_border_frame_top_alpha_target = 0;
_border_frame_bottom_alpha = 0;
_border_frame_bottom_alpha_target = 0;
_border_red_active = false;
_border_red_alpha = 0;
_border_red_timer = 0;
_loaded = false;
_palette_index = 0;
_sky_palette = [38911, 4060703, 16731501, 672767, 14399608, 5235199, 12283391];
_dark_color = 7432120;
_sky_color = 16777215;
_sky_color_temp = 16777215;
_garden_frame_min_y_pos = 3226;
_garden_frame_max_y_pos = 4960;
_cliff_frame_min_y_pos = 1548;
u_strength = shader_get_uniform(shd_lut, "strength");
u_lut_tex = shader_get_sampler_index(shd_lut, "lut_tex");
_lut_tex = sprite_get_texture(spr_luts, UnknownEnum.Value_6);
_lut_tex_strength = 1;
_lut_tex_temp = _lut_tex;
_lut_tex_strength_temp = 0;
_custom_show = false;
_overlay_layers = [];
_vert_y = 0;
_is_cliff_border = false;
_is_cliff_border_prev = false;
_final_colour = 16777215;
_final_colour_temp = 16777215;
_cliff_cross_fade = false;
_cliff_cross_fade_alpha = 0;
_border_prev_surface = -4;
_border_prev_sprite = -4;
if (os_type == os_switch2 && wh == 1440)
    global.window_scale = 2.6666666666666665;
else if (scr_is_switch_os() && wh == 720)
    global.window_scale = 4/3;
else
    global.window_scale = floor(min(scale_w, scale_h));

is_border_simple = function()
{
    return global.screen_border_id == "Simple" || global.screen_border_id == "シンプル";
};

init_border = function()
{
    var room_id = room;
    var room_border = scr_get_border(room_id);
    _border_image_layer = -4;
    _palette_index = 0;
    if (i_ex(obj_parallax_cliffs))
        _palette_index = (obj_parallax_cliffs.sun_colour > 1) ? (obj_parallax_cliffs.sun_colour - 1) : _palette_index;
    _is_cliff_border_prev = _is_cliff_border;
    _is_cliff_border = scr_border_is_cliff_border(room_id);
    if (_is_cliff_border)
    {
        _sky_color_temp = _sky_color;
        _sky_color = _sky_palette[_palette_index];
        if (_sky_color_temp == 16777215)
        {
            _sky_color_temp = _sky_color;
            _final_colour_temp = _final_colour;
            _lut_tex_strength_temp = _lut_tex_strength;
        }
        _cliff_cross_fade = _sky_color != _sky_color_temp;
        _cliff_cross_fade_alpha = _cliff_cross_fade ? 1 : 0;
        _final_colour_temp = _cliff_cross_fade ? _final_colour : _final_colour_temp;
        _lut_tex_strength_temp = _cliff_cross_fade ? _lut_tex_strength : _lut_tex_strength_temp;
    }
    var tex_color = UnknownEnum.Value_6;
    switch (_sky_color)
    {
        case UnknownEnum.Value_4060703:
            tex_color = UnknownEnum.Value_4;
            break;
        case UnknownEnum.Value_14399608:
            tex_color = UnknownEnum.Value_5;
            break;
        case UnknownEnum.Value_38911:
            tex_color = UnknownEnum.Value_6;
            break;
        case UnknownEnum.Value_672767:
            tex_color = UnknownEnum.Value_6;
            break;
        case UnknownEnum.Value_5235199:
            tex_color = UnknownEnum.Value_8;
            break;
        case UnknownEnum.Value_16731501:
            tex_color = UnknownEnum.Value_9;
            break;
    }
    _lut_tex_temp = _lut_tex;
    _lut_tex = sprite_get_texture(spr_luts, tex_color);
    var border_id = global.screen_border_id;
    if (global.tempflag[95] == 1)
    {
        global.tempflag[95] = 0;
        var saveload_border = true;
        if (room_id == room_dw_garden_intro || room_id == room_dw_fcastle_post_party_jail || room_id == room_dw_fcastle_pinkroom)
            saveload_border = false;
        if (saveload_border)
        {
            set_border(room_border, 1);
            show_border(0.05);
        }
        else
        {
            overlay_alpha = 1;
            hide_border();
        }
    }
    else
    {
        set_border(room_border);
    }
    if (room_id == room_legend || room_id == 1550 || room_id == PLACE_MENU)
    {
        stop_custom_effect();
        if (scr_completed_chapter_any_slot(global.chapter))
        {
            set_border(border_dw_castletown, 1);
            show_border(0.08);
        }
        else
        {
            hide_border();
        }
    }
    else if (room_id == ROOM_INITIALIZE || room_id == room_gameover || room_id == PLACE_DOG || room_id == room_title_placeholder || room_id == room_intro_ch5 || room_id == PLACE_FAILURE)
    {
        hide_border();
        stop_custom_effect();
    }
    else if (room_id == room_insidecloset || room_id == room_cc_fountain)
    {
        hide_border(0.025);
    }
    else if (room_id == room_town_krisyard || room_id == room_town_school)
    {
        show_border();
    }
    if (room_id == PLACE_FAILURE || room_id == room_gameover)
    {
        overlay_alpha = 1;
        hide_border();
    }
    if (room_id == room_dw_cliff_sethaqua_battle)
    {
        overlay_alpha = 0;
    }
    else if (room_id == room_dw_fcastle_entrance)
    {
        _overlay_layers = [];
        if (global.plot < 405)
            hide_border();
    }
    else if (room_id == room_dw_fcastle_top_entrance)
    {
        show_border();
    }
    else if (room_id == room_dw_pink_encounter)
    {
        hide_border();
    }
    else if (room_id == room_shop_ch5)
    {
        hide_border();
    }
    else if (room_id == room_dw_fcastle_top_pinkdoor)
    {
        show_border();
    }
    else if (room_id == room_dw_fcastle_pinkshop || room_id == room_dw_post_flowery_battle)
    {
        hide_border();
    }
    else if (room_id == room_schooldoor)
    {
        _overlay_layers = [];
    }
    else if (room_id == room_dw_fcastle_flowerydash)
    {
        _overlay_layers = [];
    }
    else if (room_id == room_dw_fcastle_foyer)
    {
        _overlay_layers = [];
    }
    else if (room_id == room_dw_fcastle_ultradash || room_id == room_dw_fcastle_green_checkpoint || room_id == room_dw_fcastle_top_ascent || room_id == room_dw_fcastle_top_challenge || room_id == room_dw_garden_aquahole_left || room_id == room_dw_cliff_seth_miniboss)
    {
        show_border();
    }
    else if (room_id == room_dw_fcastle_pinkroom || room_id == room_man || room_id == room_dw_dogballoon)
    {
        hide_border(0.1);
    }
    if (global.darkzone == 0)
    {
        if (scr_sideb_active())
            hide_border(1);
    }
};

set_border = function(arg0, arg1 = 0.1)
{
    if (arg0 == _border_image_temp && _border_image_temp_alpha_amount == arg1)
        exit;
    if (arg1 >= 1)
    {
        _border_image = arg0;
        _border_image_temp = arg0;
    }
    else
    {
        _border_crossfade = true;
        _border_image_temp = arg0;
        _border_image_temp_alpha_amount = arg1;
    }
};

hide_border = function(arg0 = 1, arg1 = 0)
{
    overlay_fade_speed = arg0;
    overlay_alpha_target = 1;
    overlay_color = arg1;
};

show_border = function(arg0 = 0.1)
{
    overlay_fade_speed = -arg0;
    overlay_alpha_target = 0;
};

set_custom_effect = function(arg0, arg1 = 0.02)
{
    custom_effect_con = 0;
    custom_effect = arg0;
    custom_effect_fade_speed = arg1;
    custom_effect_color = 0;
    custom_effect_alpha_target = 0.8;
    if (custom_effect == 1)
    {
        custom_effect_color = merge_color(c_black, c_navy, 0.5);
        custom_effect_alpha_target = 0.6;
    }
    if (custom_effect == 6)
        custom_effect_alpha_target = 0;
};

stop_custom_effect = function()
{
    scr_delay_var("custom_effect_con", 1, 15);
};

trigger_event = function(arg0)
{
};

fade_out_overlay_layer = function(arg0, arg1, arg2)
{
    for (var i = 0; i < array_length(_overlay_layers); i++)
    {
        var overlay = _overlay_layers[i];
        if (overlay.get_layer_index() != arg0)
            continue;
        overlay.update_fade(arg1, arg2);
    }
};

add_overlay_layer = function(arg0, arg1, arg2, arg3)
{
    var layer_index = array_length(_overlay_layers);
    var new_layer = new overlay_layer(arg0, arg1, arg2, arg3, layer_index);
    _overlay_layers[layer_index] = new_layer;
    return new_layer;
};

remove_overlay_layer = function(arg0)
{
    var adjusted_list = [];
    for (var i = 0; i < array_length(_overlay_layers); i++)
    {
        if (_overlay_layers[i].get_layer_index() == arg0)
            continue;
        adjusted_list[array_length(adjusted_list)] = _overlay_layers[i];
    }
    _overlay_layers = adjusted_list;
};

remove_overlay_layer_all = function()
{
    _overlay_layers = [];
};

clean_up = function()
{
    if (surface_exists(_border_prev_surface))
        surface_free(_border_prev_surface);
    if (sprite_exists(_border_prev_sprite))
        sprite_delete(_border_prev_sprite);
};

enum UnknownEnum
{
    Value_4 = 4,
    Value_5,
    Value_6,
    Value_8 = 8,
    Value_9,
    Value_38911 = 38911,
    Value_672767 = 672767,
    Value_4060703 = 4060703,
    Value_5235199 = 5235199,
    Value_14399608 = 14399608,
    Value_16731501 = 16731501
}