Method CopyScene

Dependencies/assimp/code/Common/SceneCombiner.cpp:1017–1073

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// ------------------------------------------------------------------------------------------------
void SceneCombiner::CopyScene(aiScene **_dest, const aiScene *src, bool allocate) {
    if (nullptr == _dest || nullptr == src) {
        return;
    }

    if (allocate) {
        *_dest = new aiScene();
    }
    aiScene *dest = *_dest;
    ai_assert(nullptr != dest);

    // copy metadata
    if (nullptr != src->mMetaData) {
        dest->mMetaData = new aiMetadata(*src->mMetaData);
    }

    // copy animations
    dest->mNumAnimations = src->mNumAnimations;
    CopyPtrArray(dest->mAnimations, src->mAnimations,
            dest->mNumAnimations);

    // copy textures
    dest->mNumTextures = src->mNumTextures;
    CopyPtrArray(dest->mTextures, src->mTextures,
            dest->mNumTextures);

    // copy materials
    dest->mNumMaterials = src->mNumMaterials;
    CopyPtrArray(dest->mMaterials, src->mMaterials,
            dest->mNumMaterials);

    // copy lights
    dest->mNumLights = src->mNumLights;
    CopyPtrArray(dest->mLights, src->mLights,
            dest->mNumLights);

    // copy cameras
    dest->mNumCameras = src->mNumCameras;
    CopyPtrArray(dest->mCameras, src->mCameras,
            dest->mNumCameras);

    // copy meshes
    dest->mNumMeshes = src->mNumMeshes;
    CopyPtrArray(dest->mMeshes, src->mMeshes,
            dest->mNumMeshes);

    // now - copy the root node of the scene (deep copy, too)
    Copy(&dest->mRootNode, src->mRootNode);

    // and keep the flags ...
    dest->mFlags = src->mFlags;

    // source private data might be nullptr if the scene is user-allocated (i.e. for use with the export API)
    if (src->mPrivate != nullptr) {
        ScenePriv(dest)->mPPStepsApplied = ScenePriv(src) ? ScenePriv(src)->mPPStepsApplied : 0;
    }
}