/*
* Copyright 2014 MovingBlocks
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.terasology.logic.inventory.block;
import org.terasology.entitySystem.entity.EntityManager;
import org.terasology.entitySystem.entity.EntityRef;
import org.terasology.entitySystem.event.ReceiveEvent;
import org.terasology.entitySystem.systems.BaseComponentSystem;
import org.terasology.entitySystem.systems.RegisterMode;
import org.terasology.entitySystem.systems.RegisterSystem;
import org.terasology.logic.health.DoDestroyEvent;
import org.terasology.logic.inventory.InventoryComponent;
import org.terasology.logic.inventory.InventoryManager;
import org.terasology.logic.inventory.InventoryUtils;
import org.terasology.logic.inventory.ItemComponent;
import org.terasology.logic.inventory.PickupBuilder;
import org.terasology.logic.location.LocationComponent;
import org.terasology.physics.events.ImpulseEvent;
import org.terasology.registry.In;
import org.terasology.utilities.random.FastRandom;
import org.terasology.world.block.items.BlockItemComponent;
import org.terasology.world.block.items.OnBlockItemPlaced;
import org.terasology.world.block.items.OnBlockToItem;
import javax.vecmath.Vector3f;
/**
* @author Immortius
*/
@RegisterSystem(RegisterMode.AUTHORITY)
public class BlockInventorySystem extends BaseComponentSystem {
@In
private EntityManager entityManager;
@In
private InventoryManager inventoryManager;
private PickupBuilder pickupBuilder;
@Override
public void initialise() {
pickupBuilder = new PickupBuilder(entityManager);
}
@ReceiveEvent(components = {InventoryComponent.class, RetainBlockInventoryComponent.class})
public void copyBlockInventory(OnBlockToItem event, EntityRef blockEntity) {
EntityRef inventoryItem = event.getItem();
int slotCount = InventoryUtils.getSlotCount(blockEntity);
inventoryItem.addComponent(new InventoryComponent(slotCount));
for (int i = 0; i < slotCount; i++) {
inventoryManager.switchItem(blockEntity, blockEntity, i, inventoryItem, i);
}
ItemComponent itemComponent = inventoryItem.getComponent(ItemComponent.class);
if (itemComponent != null && !itemComponent.stackId.isEmpty()) {
itemComponent.stackId = "";
inventoryItem.saveComponent(itemComponent);
}
}
@ReceiveEvent(components = {InventoryComponent.class, BlockItemComponent.class})
public void onPlaced(OnBlockItemPlaced event, EntityRef itemEntity) {
int slotCount = InventoryUtils.getSlotCount(itemEntity);
for (int i = 0; i < slotCount; i++) {
inventoryManager.switchItem(event.getPlacedBlock(), itemEntity, i, itemEntity, i);
}
}
@ReceiveEvent(components = {InventoryComponent.class, DropBlockInventoryComponent.class, LocationComponent.class})
public void dropContentsOfInventory(DoDestroyEvent event, EntityRef entity) {
Vector3f position = entity.getComponent(LocationComponent.class).getWorldPosition();
FastRandom random = new FastRandom();
int slotCount = InventoryUtils.getSlotCount(entity);
for (int i = 0; i < slotCount; i++) {
EntityRef itemInSlot = InventoryUtils.getItemAt(entity, i);
if (itemInSlot.exists()) {
EntityRef pickup = pickupBuilder.createPickupFor(itemInSlot, position, 60, true);
pickup.send(new ImpulseEvent(random.nextVector3f(30.0f)));
}
}
}
}