/*
* Minecraft Forge
* Copyright (c) 2016.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation version 2.1
* of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
package net.minecraftforge.common.model;
import com.google.common.base.Optional;
/*
* Represents the dynamic information associated with the model.
* Common use case is (possibly interpolated) animation frame.
*/
public interface IModelState
{
/*
* Returns the transformation that needs to be applied to the specific part of the model.
* Coordinate system is determined by the part type.
* if no part is provided, global model transformation is returned.
*/
Optional<TRSRTransformation> apply(Optional<? extends IModelPart> part);
}