usbloadergx/source/usbloader/GetMissingGameFiles.cpp

#include <stdio.h>
#include <string>
#include <vector>
#include "FileOperations/fileops.h"
#include "usbloader/GameList.h"
#include "wstring.hpp"
#include "gecko.h"

/**************************************************************************************
 * FindMissingFiles
 * Inputs:
 * path - Path to search in with. example "SD:/covers/"
 * fileext - the file extension. example ".png"
 * MissingFilesList - string vector where the IDs of missing game files will be put in.
 **************************************************************************************/
int GetMissingGameFiles(const char * path, const char * fileext, std::vector<std::string> & MissingFilesList)
{
    char gameID[7];
    char filepath[512];
    MissingFilesList.clear();
    wString oldFilter(gameList.GetCurrentFilter());

    //! make sure that all games are added to the gamelist
    gameList.LoadUnfiltered();

    for (int i = 0; i < gameList.size(); ++i)
    {
        struct discHdr* header = gameList[i];
        snprintf(gameID, sizeof(gameID), "%s", (char *) header->id);
        snprintf(filepath, sizeof(filepath), "%s/%s%s", path, gameID, fileext);

        if (CheckFile(filepath))
            continue;

        //! Not found. Try 4 ID path.
        gameID[4] = '\0';
        snprintf(filepath, sizeof(filepath), "%s/%s%s", path, gameID, fileext);

        if (CheckFile(filepath))
            continue;

        //! Not found. Try 3 ID path.
        gameID[3] = '\0';
        snprintf(filepath, sizeof(filepath), "%s/%s%s", path, gameID, fileext);

        if (CheckFile(filepath))
            continue;

        //! Not found add to missing list
        snprintf(gameID, sizeof(gameID), "%s", (char *) header->id);
        MissingFilesList.push_back(std::string(gameID));
    }

    //! Bring game list to the old state
    gameList.FilterList(oldFilter.c_str());

    gprintf(" = %i", MissingFilesList.size());

    return MissingFilesList.size();
}