void ONScripter::executeSystemEnd()
{
    if ( executeSystemYesNo( SYSTEM_END ) )
        endCommand();
    else
        leaveSystemCall();
}
bool ONScripter::executeSystemReset()
{
    if ( executeSystemYesNo( SYSTEM_RESET ) ){
        resetCommand();
        leaveSystemCall( false );
        
        return true;
    }

    leaveSystemCall();

    return false;
}
void PonscripterLabel::executeSystemCall()
{
    //printf("*****  executeSystemCall %d %d %d*****\n", system_menu_enter_flag, volatile_button_state.button, system_menu_mode );
    dirty_rect.fill(screen_width, screen_height);

    if (!system_menu_enter_flag) {
        enterSystemCall();
    }

    switch (system_menu_mode) {
    case SYSTEM_SKIP:
        executeSystemSkip();
        break;
    case SYSTEM_RESET:
        executeSystemReset();
        break;
    case SYSTEM_SAVE:
        executeSystemSave();
        break;
    case SYSTEM_YESNO:
        executeSystemYesNo();
        break;
    case SYSTEM_LOAD:
        executeSystemLoad();
        break;
    case SYSTEM_LOOKBACK:
        executeSystemLookback();
        break;
    case SYSTEM_WINDOWERASE:
        executeWindowErase();
        break;
    case SYSTEM_MENU:
        executeSystemMenu();
        break;
    case SYSTEM_AUTOMODE:
        executeSystemAutomode();
        break;
    case SYSTEM_END:
        executeSystemEnd();
        break;
    default:
        leaveSystemCall();
    }
}
void ONScripter::executeSystemSave()
{
    current_font = &menu_font;

    text_info.fill( 0, 0, 0, 0 );

    menu_font.num_xy[0] = (strlen(save_item_name)+1)/2+2+13;
    menu_font.num_xy[1] = num_save_file+2;
    menu_font.top_xy[0] = (screen_width * screen_ratio2 / screen_ratio1 - menu_font.num_xy[0] * menu_font.pitch_xy[0]) / 2;
    menu_font.top_xy[1] = (screen_height * screen_ratio2 / screen_ratio1  - menu_font.num_xy[1] * menu_font.pitch_xy[1]) / 2;
    menu_font.setXY((menu_font.num_xy[0] - strlen( save_menu_name ) / 2 ) / 2, 0);
    uchar3 color = {0xff, 0xff, 0xff};
    drawString( save_menu_name, color, &menu_font, true, accumulation_surface, NULL, &text_info );
    menu_font.newLine();
    menu_font.newLine();
        
    flush( refreshMode() );
        
    bool nofile_flag;
    char *buffer = new char[ strlen( save_item_name ) + 31 + 1 ];
    
    for ( unsigned int i=1 ; i<=num_save_file ; i++ ){
        SaveFileInfo save_file_info;
        searchSaveFile( save_file_info, i );
        menu_font.setXY( (menu_font.num_xy[0] - (strlen( save_item_name ) / 2 + 15) ) / 2 );

        if ( save_file_info.valid ){
            sprintf( buffer, MESSAGE_SAVE_EXIST,
                     save_item_name,
                     save_file_info.sjis_no,
                     save_file_info.sjis_month,
                     save_file_info.sjis_day,
                     save_file_info.sjis_hour,
                     save_file_info.sjis_minute );
            nofile_flag = false;
        }
        else{
            sprintf( buffer, MESSAGE_SAVE_EMPTY,
                     save_item_name,
                     save_file_info.sjis_no );
            nofile_flag = true;
        }
        ButtonLink *button = getSelectableSentence( buffer, &menu_font, false, nofile_flag );
        root_button_link.insert( button );
        button->no = i;
        flush( refreshMode() );
    }
    delete[] buffer;

    refreshMouseOverButton();

    event_mode = WAIT_BUTTON_MODE;
    do waitEventSub(-1);
    while (current_button_state.button == 0);

    deleteButtonLink();

    if ( current_button_state.button > 0 ){
        int file_no = current_button_state.button;
        if (executeSystemYesNo( SYSTEM_SAVE, file_no )){
            if (saveon_flag && internal_saveon_flag) saveSaveFile(-1);
            saveSaveFile( file_no );
            leaveSystemCall();
        }
        return;
    }

    leaveSystemCall();
}
bool ONScripter::executeSystemLoad()
{
    current_font = &menu_font;

    text_info.fill( 0, 0, 0, 0 );
        
    menu_font.num_xy[0] = (strlen(save_item_name)+1)/2+2+13;
    menu_font.num_xy[1] = num_save_file+2;
    menu_font.top_xy[0] = (screen_width * screen_ratio2 / screen_ratio1 - menu_font.num_xy[0] * menu_font.pitch_xy[0]) / 2;
    menu_font.top_xy[1] = (screen_height * screen_ratio2 / screen_ratio1  - menu_font.num_xy[1] * menu_font.pitch_xy[1]) / 2;
    menu_font.setXY( (menu_font.num_xy[0] - strlen( load_menu_name ) / 2) / 2, 0 );
    uchar3 color = {0xff, 0xff, 0xff};
    drawString( load_menu_name, color, &menu_font, true, accumulation_surface, NULL, &text_info );
    menu_font.newLine();
    menu_font.newLine();
        
    flush( refreshMode() );
        
    bool nofile_flag;
    char *buffer = new char[ strlen( save_item_name ) + 31 + 1 ];

    SaveFileInfo save_file_info;
    for ( unsigned int i=1 ; i<=num_save_file ; i++ ){
        searchSaveFile( save_file_info, i );
        menu_font.setXY( (menu_font.num_xy[0] - (strlen( save_item_name ) / 2 + 15) ) / 2 );

        if ( save_file_info.valid ){
            sprintf( buffer, MESSAGE_SAVE_EXIST,
                     save_item_name,
                     save_file_info.sjis_no,
                     save_file_info.sjis_month,
                     save_file_info.sjis_day,
                     save_file_info.sjis_hour,
                     save_file_info.sjis_minute );
            nofile_flag = false;
        }
        else{
            sprintf( buffer, MESSAGE_SAVE_EMPTY,
                     save_item_name,
                     save_file_info.sjis_no );
            nofile_flag = true;
        }
        ButtonLink *button = getSelectableSentence( buffer, &menu_font, false, nofile_flag );
        root_button_link.insert( button );
        button->no = i;
        flush( refreshMode() );
    }
    delete[] buffer;

    refreshMouseOverButton();

    event_mode = WAIT_BUTTON_MODE;
    int file_no = 0;
    while(1){
        waitEventSub(-1);

        if ( current_button_state.button > 0 ){
            file_no = current_button_state.button;
            searchSaveFile( save_file_info, file_no );
            if ( !save_file_info.valid ) continue;
        }

        if (current_button_state.button != 0) break;
    }

    if ( current_button_state.button > 0 ){
        deleteButtonLink();

        if (executeSystemYesNo( SYSTEM_LOAD, file_no )){
            current_font = &sentence_font;
            system_menu_mode = NULL; // for fadeout in mp3stopCommand()
            if ( loadSaveFile( file_no ) )
                return false;

            leaveSystemCall( false );
            refreshSurface(backup_surface, NULL, REFRESH_NORMAL_MODE);
            saveon_flag = true;
            internal_saveon_flag = true;
            text_on_flag = false;
            indent_offset = 0;
            line_enter_status = 0;
            page_enter_status = 0;
            string_buffer_offset = 0;
            break_flag = false;

            flushEvent();

            if (loadgosub_label)
                gosubReal( loadgosub_label, script_h.getCurrent() );

            return true;
        }

        return false;
    }

    deleteButtonLink();
    leaveSystemCall();
    
    return false;
}
void ONScripterLabel::executeSystemSave()
{
    current_font = &menu_font;

    text_info.fill( 0, 0, 0, 0 );

    menu_font.num_xy[0] = (strlen(save_item_name)+1)/2+2+13;
    menu_font.num_xy[1] = num_save_file+2;
    menu_font.top_xy[0] = (ContractPos(screen_width) - menu_font.num_xy[0] * menu_font.pitch_xy[0]) / 2;
    menu_font.top_xy[1] = (ContractPos(screen_height) - menu_font.num_xy[1] * menu_font.pitch_xy[1]) / 2;
    menu_font.setXY((menu_font.num_xy[0] - (strlen( save_menu_name )+1) / 2 ) / 2, 0);
    //Mion: fixed the menu title bug noted in the past by Seung Park:
    // the menu title must be drawn close to last during refresh,
    // not in the textwindow, since there could be sprites above the
    // window if windowback is used.
    if (system_menu_title){
        dirty_rect.add( system_menu_title->pos );
        delete system_menu_title;
        system_menu_title = NULL;
    }
    system_menu_title = getSentence( save_menu_name, &menu_font, 1, false );
    menu_font.newLine();

    flush( refreshMode() );

    bool nofile_flag;
    int slen = strlen(save_item_name);
    char *buffer = new char[ slen + (slen % 2) + 30 + 3 ];

    for ( unsigned int i=1 ; i<=num_save_file ; i++ ){
        SaveFileInfo save_file_info;
        searchSaveFile( save_file_info, i );
        menu_font.setXY( (menu_font.num_xy[0] - ((strlen( save_item_name )+1) / 2 + 15) ) / 2 );

        if ( save_file_info.valid ){
            sprintf( buffer, getMessageString(MESSAGE_SAVE_EXIST),
                     save_item_name,
                     save_file_info.sjis_no,
                     save_file_info.sjis_month,
                     save_file_info.sjis_day,
                     save_file_info.sjis_hour,
                     save_file_info.sjis_minute );
            nofile_flag = false;
        }
        else{
            sprintf( buffer, getMessageString(MESSAGE_SAVE_EMPTY),
                     save_item_name,
                     save_file_info.sjis_no );
            nofile_flag = true;
        }
        ButtonLink *button = getSelectableSentence( buffer, &menu_font, false, nofile_flag );
        root_button_link.insert( button );
        button->no = i;
        flush( refreshMode() );
    }
    delete[] buffer;

    refreshMouseOverButton();

    event_mode = WAIT_BUTTON_MODE;
    do waitEventSub(-1);
    while (current_button_state.button == 0);

    deleteButtonLink();
    if (system_menu_title){
        dirty_rect.add( system_menu_title->pos );
        delete system_menu_title;
        system_menu_title = NULL;
    }

    if ( current_button_state.button > 0 ){
        int file_no = current_button_state.button;
        if (executeSystemYesNo( SYSTEM_SAVE, file_no )){
            saveSaveFile( file_no );
            leaveSystemCall();
        }
        return;
    }

    leaveSystemCall();
}