/*
* 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.client.model;
import net.minecraftforge.common.model.IModelPart;
import net.minecraftforge.common.model.IModelState;
import net.minecraftforge.common.model.TRSRTransformation;
import com.google.common.base.Optional;
import com.google.common.collect.ImmutableMap;
/*
* Simple implementation of IModelState via a map and a default value.
*/
public final class SimpleModelState implements IModelState
{
private final ImmutableMap<? extends IModelPart, TRSRTransformation> map;
private final Optional<TRSRTransformation> def;
public SimpleModelState(ImmutableMap<? extends IModelPart, TRSRTransformation> map)
{
this(map, Optional.<TRSRTransformation>absent());
}
public SimpleModelState(ImmutableMap<? extends IModelPart, TRSRTransformation> map, Optional<TRSRTransformation> def)
{
this.map = map;
this.def = def;
}
public Optional<TRSRTransformation> apply(Optional<? extends IModelPart> part)
{
if(!part.isPresent())
{
return def;
}
if(!map.containsKey(part.get()))
{
return Optional.absent();
}
return Optional.fromNullable(map.get(part.get()));
}
}