xml.cpp

void Grapnel::SavePointers()
{
    std::wofstream fileStream;
    fileStream.open(L"./Resources/GameInit.txt");
    if (fileStream.fail() == true)
    {
        GAME_ENGINE->MessageBox(String("Failed to open file!"));
        return;
    }
    fileStream << String("//Gaetan, Thibaut, 1DAE10").C_str();
    fileStream << std::endl;

    //GroundEnemy
    for (int i = 0; i < m_GenGroundEnemyPtrArr.size(); i++)
    {
        fileStream << String("<GroundEnemy").C_str();
        fileStream << std::endl;

        fileStream << String("\tSpawnPos").C_str();
        fileStream << String("=").C_str();
        fileStream << String("\"").C_str();
        fileStream << String(m_GenGroundEnemyPtrArr[i]->GetStartPos().x).C_str();
        fileStream << String(",").C_str();
        fileStream << String(m_GenGroundEnemyPtrArr[i]->GetStartPos().y).C_str();
        fileStream << String("\"").C_str();
        fileStream << std::endl;

        fileStream << String("\tWalkDistance").C_str();
        fileStream << String("=").C_str();
        fileStream << String("\"").C_str();
        fileStream << String(m_GenGroundEnemyPtrArr[i]->GetMaxWalkDistance()).C_str();
        fileStream << String("\"").C_str();
        fileStream << std::endl;

        fileStream << String("\tBitmap").C_str();
        fileStream << String("=").C_str();
        fileStream << String("\"").C_str();
        fileStream << String("m_BmpGroundEnemyPtr").C_str();
        fileStream << String("\"").C_str();
        fileStream << std::endl;

        fileStream << String("/>").C_str();
        fileStream << std::endl;
    }

    //Coin's
    for (int i = 0; i < m_ConCoinPtrArr.size(); i++)
    {
        fileStream << String("<Coin").C_str();
        fileStream << std::endl;

        fileStream << String("\tSpawnPos").C_str();
        fileStream << String("=").C_str();
        fileStream << String("\"").C_str();
        fileStream << String(m_ConCoinPtrArr[i]->GetStartPos().x).C_str();
        fileStream << String(",").C_str();
        fileStream << String(m_ConCoinPtrArr[i]->GetStartPos().y).C_str();
        fileStream << String("\"").C_str();
        fileStream << std::endl;

        fileStream << String("\tBitmap").C_str();
        fileStream << String("=").C_str();
        fileStream << String("\"").C_str();
        fileStream << String("m_BmpCoinPtr").C_str();
        fileStream << String("\"").C_str();
        fileStream << std::endl;

        fileStream << String("/>").C_str();
        fileStream << std::endl;
    }
    //Platforms
    for (int i = 0; i < m_ConCoinPtrArr.size(); i++)
    {
        fileStream << String("<Platforms").C_str();
        fileStream << std::endl;

        fileStream << String("\tSpawnPos").C_str();
        fileStream << String("=").C_str();
        fileStream << String("\"").C_str();
        fileStream << String(m_PfmPlatformPtrArr[i]->GetStartPos().x).C_str();
        fileStream << String(",").C_str();
        fileStream << String(m_PfmPlatformPtrArr[i]->GetStartPos().y).C_str();
        fileStream << String("\"").C_str();
        fileStream << std::endl;

        //fileStream << String("\tBitmap").C_str();
        //fileStream << String("=").C_str();
        //fileStream << String("\"").C_str();
        //fileStream << String("m_BmpCoinPtr").C_str();
        //fileStream << String("\"").C_str();
        //fileStream << std::endl;

        fileStream << String("/>").C_str();
        fileStream << std::endl;
    }

    fileStream.close();
}

void Grapnel::LoadPointers()
{
    std::wifstream ifileStream;
    ifileStream.open(L"./Resources/GameInit.txt");
    if (ifileStream.fail() == true)
    {
        GAME_ENGINE->MessageBox(String("Failed to open file!"));
        return;
    }
    std::wstring extractedLine;
    std::wstringstream expressionStream;
    while (ifileStream.eof() == false)
    {
        std::getline(ifileStream, extractedLine); //Extract the line to the expression stream
        expressionStream << extractedLine; //Write the line to the expression stream

        //When the extrexted line contains a full stop
        //then it contains the last piece of the expression
        if (extractedLine.find(L'/>') != std::wstring::npos)
        {
            std::wstring shapeString = expressionStream.str();
            CreateObject(shapeString);

            //clear the string in stringstream
            expressionStream.str(L"");
            std::wcout << std::endl;
        }
    }

    ifileStream.close();
}

void Grapnel::CreateObject(const std::wstring & pointerRef)
{
    if (pointerRef.find(L"GroundEnemy") != std::wstring::npos)
    {
        createGroundEnemy(pointerRef);
    }
    if (pointerRef.find(L"Coin") != std::wstring::npos)
    {
        createCoin(pointerRef);
    }
}

void Grapnel::createGroundEnemy(const std::wstring & pointerRef)
{
    std::wstring spawnPosString = GetValue(L"SpawnPos", pointerRef);
    DOUBLE2 spawnPos = StringToDOUBLE2(spawnPosString);

    std::wstring WalkDistanceString = GetValue(L"WalkDistance", pointerRef);
    double walkDistance = StringTodouble(WalkDistanceString);

    m_GenGroundEnemyPtrArr.push_back(new GroundEnemy(spawnPos, walkDistance, m_BmpGroundEnemyPtr));
}

void Grapnel::createCoin(const std::wstring & pointerRef)
{
    std::wstring spawnPosString = GetValue(L"SpawnPos", pointerRef);
    DOUBLE2 spawnPos = StringToDOUBLE2(spawnPosString);

    m_ConCoinPtrArr.push_back(new Coin(spawnPos, m_BmpCoinPtr));
}

void Grapnel::createPlatform(const std::wstring & pointerRef)
{
    std::wstring spawnPosString = GetValue(L"SpawnPos", pointerRef);
    DOUBLE2 spawnPos = StringToDOUBLE2(spawnPosString);

    m_PfmPlatformPtrArr.push_back(new Platform(spawnPos/*, m_BmpCoinPtr*/));
}

std::wstring Grapnel::GetValue(const std::wstring & nameRef, const std::wstring & shapeRef)
{
    //get the name and value out of the shapes.txt
    std::size_t idxFrom = shapeRef.find(nameRef);
    idxFrom = shapeRef.find(L"\"", idxFrom) + 1;
    std::size_t idxTill = shapeRef.find(L"\"", idxFrom);

    std::wstring timeString = shapeRef.substr(idxFrom, idxTill - idxFrom);
    return timeString;
}

DOUBLE2 Grapnel::StringToDOUBLE2(const std::wstring & DOUBLE2Ref)
{
    using namespace std;
    size_t idxFromdouble1 = DOUBLE2Ref.find(L"\"") + 1;
    size_t idxTilldouble1 = DOUBLE2Ref.find(L",", idxFromdouble1);
    wstring double1 = DOUBLE2Ref.substr(idxFromdouble1, idxTilldouble1 - idxFromdouble1);

    size_t idxFromdouble2 = DOUBLE2Ref.find(L",", idxTilldouble1) + 1;
    size_t idxTilldouble2 = DOUBLE2Ref.find(L"\"", idxFromdouble1);
    wstring double2 = DOUBLE2Ref.substr(idxFromdouble2, idxTilldouble2 - idxFromdouble2);

    double xdouble = stoi(double1);
    double ydouble = stoi(double2);

    return DOUBLE2(xdouble, ydouble);
}

double Grapnel::StringTodouble(const std::wstring & doubleRef)
{
    using namespace std;
    size_t idxFromdouble1 = doubleRef.find(L"\"") + 1;
    size_t idxTilldouble1 = doubleRef.find(L"\"", idxFromdouble1);
    wstring double1 = doubleRef.substr(idxFromdouble1, idxTilldouble1 - idxFromdouble1);

    double xdouble = stoi(double1);

    return double(xdouble);
}