/*
* This file is part of LanternServer, licensed under the MIT License (MIT).
*
* Copyright (c) LanternPowered <https://www.lanternpowered.org>
* Copyright (c) SpongePowered <https://www.spongepowered.org>
* Copyright (c) contributors
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the Software), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED AS IS, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package org.lanternpowered.server.data.property.common;
import static com.google.common.base.Preconditions.checkNotNull;
import org.lanternpowered.server.block.LanternBlockType;
import org.lanternpowered.server.data.property.DirectionRelativePropertyStore;
import org.spongepowered.api.block.BlockState;
import org.spongepowered.api.block.BlockType;
import org.spongepowered.api.data.Property;
import org.spongepowered.api.data.property.PropertyHolder;
import org.spongepowered.api.item.ItemType;
import org.spongepowered.api.item.inventory.ItemStack;
import org.spongepowered.api.util.Direction;
import org.spongepowered.api.world.Location;
import org.spongepowered.api.world.World;
import java.util.Optional;
import javax.annotation.Nullable;
public abstract class AbstractBlockPropertyStore<T extends Property<?, ?>> extends AbstractLanternPropertyStore<T>
implements DirectionRelativePropertyStore<T> {
protected abstract Optional<T> getFor(BlockState blockState, @Nullable Location<World> location, @Nullable Direction direction);
@Override
public Optional<T> getFor(PropertyHolder propertyHolder) {
return this.getFor0(propertyHolder, null);
}
@Override
public Optional<T> getFor(PropertyHolder propertyHolder, Direction direction) {
return this.getFor0(propertyHolder, checkNotNull(direction, "direction"));
}
@Override
public Optional<T> getFor(Location<World> location, Direction direction) {
return this.getFor0(location, checkNotNull(direction, "direction"));
}
private Optional<T> getFor0(PropertyHolder propertyHolder, @Nullable Direction direction) {
checkNotNull(propertyHolder, "propertyHolder");
if (propertyHolder instanceof BlockState) {
return getFor((BlockState) propertyHolder, null, direction);
} else if (propertyHolder instanceof BlockType) {
return getFor(((BlockType) propertyHolder).getDefaultState(), null, direction);
} else if (propertyHolder instanceof Location) {
return getFor0((Location<World>) propertyHolder, direction);
} else if (propertyHolder instanceof ItemType) {
Optional<BlockType> type = ((ItemType) propertyHolder).getBlock();
if (type.isPresent()) {
return getFor(type.get().getDefaultState(), null, direction);
}
} else if (propertyHolder instanceof ItemStack) {
Optional<BlockType> type = ((ItemStack) propertyHolder).getItem().getBlock();
if (type.isPresent()) {
return getFor(((LanternBlockType) type.get()).getStateFromItemStack((ItemStack) propertyHolder), null, direction);
}
}
return Optional.empty();
}
private Optional<T> getFor0(Location<World> propertyHolder, @Nullable Direction direction) {
try {
return getFor(propertyHolder.getBlock(), propertyHolder, direction);
// Can be thrown if the extent is gc
} catch (IllegalStateException e) {
return Optional.empty();
}
}
}