Function SaveLightSettings

BakingLab/BakingLab.cpp:167–219

Save lighting settings to a file

// Save lighting settings to a file
static void SaveLightSettings(HWND parentWindow)
{
    wchar currDirectory[MAX_PATH] = { 0 };
    GetCurrentDirectory(ArraySize_(currDirectory), currDirectory);

    wchar filePath[MAX_PATH] = { 0 };

    OPENFILENAME ofn;
    ZeroMemory(&ofn , sizeof(ofn));
    ofn.lStructSize = sizeof(ofn);
    ofn.hwndOwner = parentWindow;
    ofn.lpstrFile = filePath;
    ofn.nMaxFile = ArraySize_(filePath);
    ofn.lpstrFilter = L"All Files (*.*)\0*.*\0Light Settings (*.lts)\0*.lts\0";
    ofn.nFilterIndex = 2;
    ofn.lpstrFileTitle = nullptr;
    ofn.nMaxFileTitle = 0;
    ofn.lpstrInitialDir = nullptr;
    ofn.lpstrTitle = L"Save Light Settings File As..";
    ofn.lpstrDefExt = L"lts";
    ofn.Flags = OFN_OVERWRITEPROMPT;
    bool succeeded = GetSaveFileName(&ofn) != 0;
    SetCurrentDirectory(currDirectory);

    if(succeeded)
    {
        try
        {
            std::vector<SettingInfo> settingInfo;
            settingInfo.resize(NumLightSettings);
            for(uint64 i = 0; i < NumLightSettings; ++i)
            {
                // Serialize some metadata so that we can skip out of date settings on load
                settingInfo[i].Name = LightSettings[i]->Name();
                settingInfo[i].DataSize = LightSettings[i]->SerializedValueSize();
                Assert_(settingInfo[i].DataSize > 0);
            }

            FileWriteSerializer serializer(filePath);
            SerializeItem(serializer, settingInfo);

            for(uint64 i = 0; i < NumLightSettings; ++i)
                LightSettings[i]->SerializeValue(serializer);
        }
        catch(Exception e)
        {
            std::wstring errorString = L"Error occured while saving light settings file:\n" + e.GetMessage();
            MessageBox(parentWindow, errorString.c_str(), L"Error", MB_OK | MB_ICONERROR);
        }
    }

    SetCurrentDirectory(currDirectory);
}

// Save a skydome texture as a DDS file
static void SaveEXRScreenshot(HWND parentWindow, ID3D11ShaderResourceView* screenSRV)