Method setStateInformation

Source/PluginProcessor.cpp:1000–1097

}

void FireAudioProcessor::setStateInformation(const void* data, int sizeInBytes)
{
    // You should use this method to restore your parameters from this memory block,
    // whose contents will have been created by the getStateInformation() call.

    std::unique_ptr<juce::XmlElement> xmlState(getXmlFromBinary(data, sizeInBytes));
    if (xmlState.get() != nullptr && xmlState->hasTagName("state"))
    {
        int xmlIndex = 0;
        // 1. set treestate
        const auto xmlTreeState = xmlState->getChildElement(xmlIndex++);
        if (xmlTreeState != nullptr)
        {
            // Convert the XML to a ValueTree so we can inspect and modify it before loading.
            auto treeToLoad = juce::ValueTree::fromXml(*xmlTreeState);

            // This is the backward-compatibility logic.
            // We loop through each band to check if the SHAPE_BYPASS_ID exists.
            for (int i = 0; i < 4; ++i)
            {
                auto shapeBypassParamID = ParameterIDAndName::getIDString(SHAPE_BYPASS_ID, i);

                // If the ValueTree from the preset file does NOT have this property...
                if (! treeToLoad.hasProperty(shapeBypassParamID))
                {
                    // ...it means we are loading an old preset.
                    // To maintain the old sound, we must manually add the property
                    // and set its value to 'true' (enabled).
                    treeToLoad.setProperty(shapeBypassParamID, 1.0, nullptr);
                }
            }

            treeState.replaceState(juce::ValueTree::fromXml(*xmlTreeState));
        }

        // 2. set current preset ID
        const auto xmlCurrentState = xmlState->getChildElement(xmlIndex++);
        if (xmlCurrentState != nullptr)
        {
            // load preset
            presetId = xmlCurrentState->getIntAttribute("currentPresetID", 0);
            statePresets.setCurrentPresetId(presetId); // only set preset id not value
            // so it won't override the value you changed from the preset

            editorWidth = xmlCurrentState->getIntAttribute("editorWidth", INIT_WIDTH);
            editorHeight = xmlCurrentState->getIntAttribute("editorHeight", INIT_HEIGHT);
        }

        // 3. Load LFO Shapes
        if (auto* lfoState = xmlState->getChildByName("LFO_STATE"))
        {
            // First, clear all existing LFO data in a thread-safe way.
            lfoManager->clearAllLfoData();

            for (auto* lfoXml : lfoState->getChildIterator())
            {
                const int index = lfoXml->getIntAttribute("index", -1);
                if (juce::isPositiveAndBelow(index, 4)) // Use a fixed size for safety