Undertale Yellow script viewer

draw_set_color(c_black);

draw_set_alpha(draw_alpha);

draw_rectangle(0, 0, room_width, room_height, false);

draw_set_alpha(1);

if (instance_exists(obj_player_npc))

{

    shader_set(sh_yellow);

    draw_set_alpha(draw_clover_yellow_alpha);

    draw_sprite(obj_player_npc.sprite_index, obj_player_npc.image_index, obj_player_npc.x, obj_player_npc.y);

    draw_set_alpha(1);

    shader_reset();

}