/*
* This file is part of Vanilla.
*
* Copyright (c) 2011 Spout LLC <http://www.spout.org/>
* Vanilla is licensed under the Spout License Version 1.
*
* Vanilla 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, either version 3 of the License, or (at your option)
* any later version.
*
* In addition, 180 days after any changes are published, you can use the
* software, incorporating those changes, under the terms of the MIT license,
* as described in the Spout License Version 1.
*
* Vanilla 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,
* the MIT license and the Spout License Version 1 along with this program.
* If not, see <http://www.gnu.org/licenses/> for the GNU Lesser General Public
* License and see <http://spout.in/licensev1> for the full license, including
* the MIT license.
*/
package org.spout.vanilla.component.entity.substance;
import java.util.ArrayList;
import java.util.List;
import org.spout.api.event.entity.EntityInteractEvent;
import org.spout.api.event.player.PlayerInteractEntityEvent;
import org.spout.api.geo.discrete.Point;
import org.spout.api.inventory.ItemStack;
import org.spout.api.inventory.Slot;
import org.spout.api.material.Material;
import org.spout.api.material.block.BlockFace;
import org.spout.api.util.Parameter;
import org.spout.vanilla.component.entity.misc.MetadataComponent;
import org.spout.vanilla.data.Metadata;
import org.spout.vanilla.event.entity.network.EntityMetaChangeEvent;
import org.spout.vanilla.material.VanillaMaterials;
import org.spout.vanilla.protocol.entity.object.ItemFrameProtocol;
import org.spout.vanilla.util.PlayerUtil;
public class ItemFrame extends Substance {
private Material material;
private BlockFace orientation;
@Override
public void onAttached() {
setEntityProtocol(new ItemFrameProtocol());
// Add metadata for the displayed item
getOwner().add(MetadataComponent.class).addMeta(new Metadata<ItemStack>(Metadata.TYPE_ITEM, 2) {
private ItemStack lastItem = null;
@Override
public ItemStack getValue() {
Material mat = getMaterial();
if (mat == null) {
return null;
}
// Re-use last item to avoid the creation of too many items
// If material changes, create a new item to break the reference
if (lastItem == null || !lastItem.isMaterial(mat)) {
lastItem = new ItemStack(mat, 1);
}
return lastItem;
}
@Override
public void setValue(ItemStack value) {
setMaterial(value == null ? null : value.getMaterial());
}
});
}
@Override
public void onInteract(final EntityInteractEvent event) {
if (event instanceof PlayerInteractEntityEvent) {
final PlayerInteractEntityEvent pie = (PlayerInteractEntityEvent) event;
switch (pie.getAction()) {
case LEFT_CLICK:
Point pos = getOwner().getPhysics().getPosition();
Item.dropNaturally(pos, new ItemStack(VanillaMaterials.ITEM_FRAME, 1));
if (material != null) {
Item.dropNaturally(pos, new ItemStack(material, 1));
}
getOwner().remove();
break;
case RIGHT_CLICK:
Slot slot = PlayerUtil.getHeldSlot(getOwner());
if (slot != null && slot.get() != null) {
setMaterial(slot.get().getMaterial());
slot.addAmount(-1);
}
break;
}
}
}
public void setMaterial(Material material) {
this.material = material;
List<Parameter<?>> params = new ArrayList<Parameter<?>>();
params.add(new Parameter<ItemStack>(Parameter.TYPE_ITEM, 2, material == null ? null : new ItemStack(material, 1)));
getOwner().getNetwork().callProtocolEvent(new EntityMetaChangeEvent(getOwner(), params));
}
public Material getMaterial() {
return material;
}
public void setOrientation(BlockFace orientation) {
if (orientation == BlockFace.BOTTOM || orientation == BlockFace.TOP || orientation == BlockFace.THIS) {
throw new IllegalArgumentException("Specified orientation must be NESW");
}
this.orientation = orientation;
}
public BlockFace getOrientation() {
return orientation;
}
}