// Serializes the profiles to disk.
void ProfileManager::SaveCache()
{
    String path = GetProfilePath(true);
 
    Lock::Locker lockScope(&ProfileLock);

    // TODO: Since there is only a single device type now, a full tree overwrite
    // is sufficient but in the future a selective device branch replacement will
    // be necessary

    Ptr<JSON> root = *JSON::CreateObject();
    root->AddNumberItem("Oculus Profile Version", PROFILE_VERSION);
    root->AddStringItem("CurrentProfile", DefaultProfile);
    root->AddNumberItem("ProfileCount", (double) ProfileCache.GetSize());

    // Generate a JSON subtree for each profile
    for (unsigned int i=0; i<ProfileCache.GetSize(); i++)
    {
        Profile* profile = ProfileCache[i];

        JSON* json_profile = JSON::CreateObject();
        json_profile->Name = "Profile";
        json_profile->AddStringItem("Name", profile->Name);
        const char* gender;
        switch (profile->GetGender())
        {
            case Profile::Gender_Male:   gender = "Male"; break;
            case Profile::Gender_Female: gender = "Female"; break;
            default: gender = "Unspecified";
        }
        json_profile->AddStringItem("Gender", gender);
        json_profile->AddNumberItem("PlayerHeight", profile->PlayerHeight);
        json_profile->AddNumberItem("IPD", profile->IPD);

        if (profile->Type == Profile_RiftDK1)
        {
            RiftDK1Profile* riftdk1 = (RiftDK1Profile*)profile;
            JSON* json_riftdk1 = JSON::CreateObject();
            json_profile->AddItem("RiftDK1", json_riftdk1);

            const char* eyecup = "A";
            switch (riftdk1->EyeCups)
            {
                case RiftDK1Profile::EyeCup_A: eyecup = "A"; break;
                case RiftDK1Profile::EyeCup_B: eyecup = "B"; break;
                case RiftDK1Profile::EyeCup_C: eyecup = "C"; break;
            }
            json_riftdk1->AddStringItem("EyeCup", eyecup);
            json_riftdk1->AddNumberItem("LL", riftdk1->LL);
            json_riftdk1->AddNumberItem("LR", riftdk1->LR);
            json_riftdk1->AddNumberItem("RL", riftdk1->RL);
            json_riftdk1->AddNumberItem("RR", riftdk1->RR);
        }

        root->AddItem("Profile", json_profile);
    }

    root->Save(path);
}
Exemple #2
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// Serializes the profiles to disk.
void ProfileManager::SaveCache()
{
    String path = GetProfilePath(true);
 
    Lock::Locker lockScope(&ProfileLock);

    Ptr<JSON> oldroot = *JSON::Load(path);
    if (oldroot)
    {
        if (oldroot->GetItemCount() >= 3)
        {
            JSON* item0 = oldroot->GetFirstItem();
            JSON* item1 = oldroot->GetNextItem(item0);
            oldroot->GetNextItem(item1);

            if (item0->Name == "Oculus Profile Version")
            {
                int major = atoi(item0->Value.ToCStr());
                if (major > MAX_PROFILE_MAJOR_VERSION)
                    oldroot.Clear();   // don't use the file on unsupported major version number
            }
            else
            {
                oldroot.Clear(); 
            }
        }
        else
        {
            oldroot.Clear();
        }
    }
    
    // Create a new json root
    Ptr<JSON> root = *JSON::CreateObject();
    root->AddNumberItem("Oculus Profile Version", PROFILE_VERSION);
    root->AddStringItem("CurrentProfile", DefaultProfile);
    root->AddNumberItem("ProfileCount", (double) ProfileCache.GetSize());

    // Generate a JSON subtree for each profile
    for (unsigned int i=0; i<ProfileCache.GetSize(); i++)
    {
        Profile* profile = ProfileCache[i];

        // Write the base profile information
        JSON* json_profile = JSON::CreateObject();
        json_profile->Name = "Profile";
        json_profile->AddStringItem("Name", profile->Name);
        const char* gender;
        switch (profile->GetGender())
        {
            case Profile::Gender_Male:   gender = "Male"; break;
            case Profile::Gender_Female: gender = "Female"; break;
            default: gender = "Unspecified";
        }
        json_profile->AddStringItem("Gender", gender);
        json_profile->AddNumberItem("PlayerHeight", profile->PlayerHeight);
        json_profile->AddNumberItem("IPD", profile->IPD);

        const char* device_name = NULL;
        // Create a device-specific subtree for the cached device
        if (profile->Type == Profile_RiftDK1)
        {
            device_name = "RiftDK1";
            
            RiftDK1Profile* rift = (RiftDK1Profile*)profile;
            JSON* json_rift = JSON::CreateObject();
            json_profile->AddItem(device_name, json_rift);

            const char* eyecup = "A";
            switch (rift->EyeCups)
            {
                case EyeCup_A: eyecup = "A"; break;
                case EyeCup_B: eyecup = "B"; break;
                case EyeCup_C: eyecup = "C"; break;
            }
            json_rift->AddStringItem("EyeCup", eyecup);
            json_rift->AddNumberItem("LL", rift->LL);
            json_rift->AddNumberItem("LR", rift->LR);
            json_rift->AddNumberItem("RL", rift->RL);
            json_rift->AddNumberItem("RR", rift->RR);
        }
        else if (profile->Type == Profile_RiftDKHD)
        {
            device_name = "RiftDKHD";
            
            RiftDKHDProfile* rift = (RiftDKHDProfile*)profile;
            JSON* json_rift = JSON::CreateObject();
            json_profile->AddItem(device_name, json_rift);

            const char* eyecup = "A";
            switch (rift->EyeCups)
            {
                case EyeCup_A: eyecup = "A"; break;
                case EyeCup_B: eyecup = "B"; break;
                case EyeCup_C: eyecup = "C"; break;
            }
            json_rift->AddStringItem("EyeCup", eyecup);
            //json_rift->AddNumberItem("LL", rift->LL);
            //json_rift->AddNumberItem("LR", rift->LR);
            //json_rift->AddNumberItem("RL", rift->RL);
            //json_rift->AddNumberItem("RR", rift->RR);
        }

        // There may be multiple devices stored per user, but only a single
        // device is represented by this root.  We don't want to overwrite
        // the other devices so we need to examine the older root 
        // and merge previous devices into new json root
        if (oldroot)
        {
            JSON* old_profile = oldroot->GetFirstItem();
            while (old_profile)
            {
                if (old_profile->Name == "Profile")
                {
                    JSON* profile_name = old_profile->GetItemByName("Name");
                    if (profile_name && OVR_strcmp(profile->Name, profile_name->Value) == 0)
                    {   // Now that we found the user in the older root, add all the 
                        // object children to the new root - except for the one for the
                        // current device
                        JSON* old_item = old_profile->GetFirstItem();
                        while (old_item)
                        {
                            if (old_item->Type == JSON_Object 
                                && (device_name == NULL || OVR_strcmp(old_item->Name, device_name) != 0))
                            {
                                JSON* old_device = old_item;
                                old_item = old_profile->GetNextItem(old_item);

                                // remove the node from the older root to avoid multiple reference
                                old_device->RemoveNode();
                                // add the node pointer to the new root
                                json_profile->AddItem(old_device->Name, old_device);
                            }
                            else
                            {
                                old_item = old_profile->GetNextItem(old_item);
                            }
                        }

                        break;
                    }
                }

                old_profile = oldroot->GetNextItem(old_profile);
            }
        }

        // Add the completed user profile to the new root
        root->AddItem("Profile", json_profile);
    }

    // Save the profile to disk
    root->Save(path);
}