function scr_exportsprites(arg0)
{
    scr_debug_print("Sprite export called for: " + arg0);
    var spritesDumped = "";
    for (var i = 0; sprite_exists(i); i++)
    {
        if (!sprite_exists(i))
            break;
        var sprite_name = sprite_get_name(i);
        if (string_pos(arg0, sprite_name) > 0)
        {
            spritesDumped += (sprite_name + "\n");
            var spr = i;
            var imageindex_count = sprite_get_number(spr);
            var spritewidth = sprite_get_width(spr);
            var spriteheight = sprite_get_height(spr);
            var origin_x = sprite_get_xoffset(spr);
            var origin_y = sprite_get_yoffset(spr);
            var surf = surface_create(spritewidth * imageindex_count, spriteheight);
            surface_set_target(surf);
            draw_clear_alpha(c_white, 0);
            for (var j = 0; j < imageindex_count; j++)
                draw_sprite(spr, j, (j * spritewidth) + origin_x, origin_y);
            surface_reset_target();
            var ext = "";
            if (imageindex_count > 1)
                ext = "_strip" + string(imageindex_count);
            var file_name = working_directory + "/spriteDump/" + "chapter" + string(global.chapter) + "/" + arg0 + "/" + sprite_name + ext + ".png";
            surface_save(surf, file_name);
            surface_free(surf);
            show_debug_message("sprite sheet saved: " + sprite_name);
            show_debug_message_concat(spritesDumped);
            clipboard_set_text(spritesDumped);
        }
    }
}

function scr_exportsheets(arg0)
{
    show_debug_message_concat("Sprite export called for: ", arg0);
    var surfs = [];
    var mastersurfwidth = 0;
    var spritesdumped = "";
    for (var i = 0; sprite_exists(i); i++)
    {
        var sprite_name = sprite_get_name(i);
        if (string_pos(arg0, sprite_name) > 0)
        {
            spritesdumped += ("\n" + sprite_name);
            var spr = i;
            var imageindex_count = sprite_get_number(spr);
            var spritewidth = sprite_get_width(spr) + 12;
            var spriteheight = sprite_get_height(spr);
            var origin_x = sprite_get_xoffset(spr);
            var origin_y = sprite_get_yoffset(spr);
            var surf_width = max(spritewidth * imageindex_count, string_width(sprite_name) + 20);
            var surf_height = spriteheight + 48;
            var surf = surface_create(surf_width, surf_height);
            mastersurfwidth = max(mastersurfwidth, surf_width);
            surface_set_target(surf);
            draw_clear_alpha(c_white, 0);
            for (var j = 0; j < imageindex_count; j++)
            {
                if (imageindex_count > 1)
                {
                    draw_set_font(fnt_small);
                    draw_text_outline((j * spritewidth) + 1, 1, string(j));
                }
                draw_sprite(spr, j, (j * spritewidth) + origin_x + 10, origin_y);
            }
            draw_set_font(fnt_main);
            draw_text_outline(5, spriteheight + 2, sprite_get_name(i));
            surface_reset_target();
            array_push(surfs, surf);
        }
    }
    var maxsurfheight = 2500;
    var surfcount = array_length(surfs);
    if (surfcount == 0)
    {
        scr_debug_print("No sprites found to dump.");
        exit;
    }
    var mastersurfs = [];
    var mastersurf = -4;
    var drawy = 0;
    var sheet_index = 0;
    mastersurf = surface_create(mastersurfwidth, maxsurfheight);
    surface_set_target(mastersurf);
    draw_clear_alpha(c_white, 0);
    surface_reset_target();
    for (var i = 0; i < surfcount; i++)
    {
        var current_surf = surfs[i];
        var current_surf_height = surface_get_height(current_surf);
        if ((drawy + current_surf_height) > maxsurfheight)
        {
            array_push(mastersurfs, mastersurf);
            mastersurf = surface_create(mastersurfwidth, maxsurfheight);
            surface_set_target(mastersurf);
            draw_clear_alpha(c_white, 0);
            surface_reset_target();
            drawy = 0;
        }
        surface_set_target(mastersurf);
        draw_surface(current_surf, 0, drawy);
        surface_reset_target();
        drawy += current_surf_height;
    }
    if (mastersurf != -4)
        array_push(mastersurfs, mastersurf);
    var msurfcount = array_length(mastersurfs);
    for (var i = 0; i < msurfcount; i++)
    {
        var file_name = working_directory + "/spriteDump/" + arg0 + "_" + string(i) + ".png";
        surface_save(mastersurfs[i], file_name);
    }
    scr_debug_print("Exported " + string(msurfcount) + " sprite sheets.");
    for (var i = 0; i < surfcount; i++)
        surface_free(surfs[i]);
    for (var i = 0; i < msurfcount; i++)
        surface_free(mastersurfs[i]);
    show_debug_message_concat("all sprites dumped:", spritesdumped);
}

function scr_exportsheets_list(arg0, arg1 = [])
{
    show_debug_message_concat("Sprite export called for: ", arg0);
    var surfs = [];
    var mastersurfwidth = 0;
    var spritesdumped = "";
    for (var i = 0; i < array_length(arg1); i++)
    {
        if (sprite_exists(asset_get_index(arg1[i])))
        {
            var sprite_name = arg1[i];
            spritesdumped += ("\n" + arg1[i]);
            var spr = asset_get_index(arg1[i]);
            var imageindex_count = sprite_get_number(spr);
            var spritewidth = sprite_get_width(spr) + 12;
            var spriteheight = sprite_get_height(spr);
            var origin_x = sprite_get_xoffset(spr);
            var origin_y = sprite_get_yoffset(spr);
            var surf_width = max(spritewidth * imageindex_count, string_width(sprite_name) + 20);
            var surf_height = spriteheight + 48;
            var surf = surface_create(surf_width, surf_height);
            mastersurfwidth = max(mastersurfwidth, surf_width);
            surface_set_target(surf);
            draw_clear_alpha(c_white, 0);
            for (var j = 0; j < imageindex_count; j++)
            {
                if (imageindex_count > 1)
                {
                    draw_set_font(fnt_small);
                    draw_text_outline((j * spritewidth) + 1, 1, string(j));
                }
                draw_sprite(spr, j, (j * spritewidth) + origin_x + 10, origin_y);
            }
            draw_set_font(fnt_main);
            draw_text_outline(5, spriteheight + 2, sprite_name);
            surface_reset_target();
            array_push(surfs, surf);
        }
    }
    var maxsurfheight = 2500;
    var surfcount = array_length(surfs);
    if (surfcount == 0)
    {
        scr_debug_print("No sprites found to dump.");
        exit;
    }
    var mastersurfs = [];
    var mastersurf = -4;
    var drawy = 0;
    var sheet_index = 0;
    mastersurf = surface_create(mastersurfwidth, maxsurfheight);
    surface_set_target(mastersurf);
    draw_clear_alpha(c_white, 0);
    surface_reset_target();
    for (var i = 0; i < surfcount; i++)
    {
        var current_surf = surfs[i];
        var current_surf_height = surface_get_height(current_surf);
        if ((drawy + current_surf_height) > maxsurfheight)
        {
            array_push(mastersurfs, mastersurf);
            mastersurf = surface_create(mastersurfwidth, maxsurfheight);
            surface_set_target(mastersurf);
            draw_clear_alpha(c_white, 0);
            surface_reset_target();
            drawy = 0;
        }
        surface_set_target(mastersurf);
        draw_surface(current_surf, 0, drawy);
        surface_reset_target();
        drawy += current_surf_height;
    }
    if (mastersurf != -4)
        array_push(mastersurfs, mastersurf);
    var msurfcount = array_length(mastersurfs);
    for (var i = 0; i < msurfcount; i++)
    {
        var file_name = working_directory + "/spriteDump/" + arg0 + "_" + string(i) + ".png";
        surface_save(mastersurfs[i], file_name);
    }
    scr_debug_print("Exported " + string(msurfcount) + " sprite sheets.");
    for (var i = 0; i < surfcount; i++)
        surface_free(surfs[i]);
    for (var i = 0; i < msurfcount; i++)
        surface_free(mastersurfs[i]);
    show_debug_message_concat("all sprites dumped:", spritesdumped);
}