Deltarune (Chapter 4) script viewer

if (!surface_exists(surf))

{

    var _cw = camera_get_view_width(view_camera[0]);

    var _ch = camera_get_view_height(view_camera[0]);

    surf = surface_create(_cw, _ch);

    surface_set_target(surf);

    draw_set_colour(c_black);

    draw_set_alpha(0);

    ossafe_fill_rectangle(0, 0, _cw, _cw, false);

    surface_reset_target();

}

else if (surface_exists(surf))

{

    var _cw = 640;

    var _ch = 480;

    var _cx = camerax();

    var _cy = cameray();

    surface_set_target(surf);

    draw_set_color(c_black);

    draw_set_alpha(darknesslevel);

    ossafe_fill_rectangle(0, 0, _cw, _ch, 0);

    gpu_set_blendmode(bm_subtract);

    with (obj_light_parent)

        draw_sprite_ext(sprite_index, image_index, x - _cx, y - _cy, image_xscale, image_yscale, image_angle, image_blend, image_alpha);

    gpu_set_blendmode(bm_normal);

    draw_set_alpha(1);

    surface_reset_target();

    draw_surface(surf, _cx, _cy);

}