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 * OpenSpace                                                                             *
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 * Copyright (c) 2014-2025                                                               *
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#include <modules/base/scale/multiscale.h>

#include <openspace/documentation/documentation.h>
#include <openspace/documentation/verifier.h>
#include <openspace/util/time.h>
#include <openspace/util/updatestructures.h>
#include <optional>

namespace {
    // This Scale type combines multiple individual scale operations that are applied one
    // after the other.
    struct [[codegen::Dictionary(MultiScale)]] Parameters {
        // The list of scales that are applied one after the other
        std::vector<ghoul::Dictionary> scales
            [[codegen::reference("core_transform_scale")]];
    };
#include "multiscale_codegen.cpp"
} // namespace

namespace openspace {

documentation::Documentation MultiScale::Documentation() {
    return codegen::doc<Parameters>("base_transform_scale_multi");
}

MultiScale::MultiScale(const ghoul::Dictionary& dictionary)
    : Scale(dictionary)
{
    const Parameters p = codegen::bake<Parameters>(dictionary);

    int i = 0;
    for (const ghoul::Dictionary& s : p.scales) {
        ghoul::mm_unique_ptr<Scale> scale = Scale::createFromDictionary(s);
        scale->setGuiName(std::format("{}: {}", i, scale->guiName()));
        scale->setIdentifier(std::format("{}_{}", i, scale->identifier()));
        addPropertySubOwner(scale.get());
        _scales.push_back(std::move(scale));
        i++;
    }
}

void MultiScale::initialize() {
    Scale::initialize();
    for (const ghoul::mm_unique_ptr<Scale>& scale : _scales) {
        scale->initialize();
    }
}

void MultiScale::update(const UpdateData& data) {
    for (const ghoul::mm_unique_ptr<Scale>& scale : _scales) {
        scale->update(data);
    }
}

glm::dvec3 MultiScale::scaleValue(const UpdateData& data) const {
    glm::dvec3 res = glm::dvec3(1.0);
    for (const ghoul::mm_unique_ptr<Scale>& scale : _scales) {
        res *= scale->scaleValue(data);
    }
    return res;
}

} // namespace openspace