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 * OpenSpace                                                                             *
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#include <modules/base/rotation/multirotation.h>

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

namespace {
    // This Rotation type combines multiple individual rotations that are applied one
    // after the other. The rotations are applied in the order in which they are specified
    // in the `Rotations` key.
    struct [[codegen::Dictionary(MultiRotation)]] Parameters {
        // The list of rotations that are applied one after the other
        std::vector<ghoul::Dictionary> rotations
            [[codegen::reference("core_transform_rotation")]];
    };
#include "multirotation_codegen.cpp"
} // namespace

namespace openspace {

documentation::Documentation MultiRotation::Documentation() {
    return codegen::doc<Parameters>("base_transform_rotation_multi");
}

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

    int i = 0;
    for (const ghoul::Dictionary& rot : p.rotations) {
        ghoul::mm_unique_ptr<Rotation> rotation = Rotation::createFromDictionary(rot);
        rotation->setGuiName(std::format("{}: {}", i, rotation->guiName()));
        rotation->setIdentifier(std::format("{}_{}", i, rotation->identifier()));
        addPropertySubOwner(rotation.get());
        _rotations.push_back(std::move(rotation));
        i++;
    }
}

void MultiRotation::initialize() {
    Rotation::initialize();
    for (const ghoul::mm_unique_ptr<Rotation>& rot : _rotations) {
        rot->initialize();
    }
}

void MultiRotation::update(const UpdateData& data) {
    for (const ghoul::mm_unique_ptr<Rotation>& rot : _rotations) {
        rot->update(data);
    }
}

glm::dmat3 MultiRotation::matrix(const UpdateData& data) const {
    glm::dmat3 res = glm::dmat3(1.0);
    for (const ghoul::mm_unique_ptr<Rotation>& rot : _rotations) {
        res *= rot->matrix(data);
    }
    return res;
}

} // namespace openspace