/*
* 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.vehicle;
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.vanilla.component.entity.misc.DeathDrops;
import org.spout.vanilla.component.entity.misc.MetadataComponent;
import org.spout.vanilla.component.entity.substance.Item;
import org.spout.vanilla.component.entity.substance.Substance;
import org.spout.vanilla.data.Metadata;
import org.spout.vanilla.data.VanillaData;
import org.spout.vanilla.event.entity.network.EntityStatusEvent;
import org.spout.vanilla.protocol.msg.entity.EntityStatusMessage;
/**
* A destroyable vehicle substance that can take damage. Instead of losing health, it loses durability. Durability is recovered at a fixed rate over time.
*/
public class VehicleSubstance extends Substance {
@Override
public void onAttached() {
super.onAttached();
// Set initial durability to the maximum
getOwner().getData().put(VanillaData.DURABILITY, getMaxDurability());
// Add metadata for damage taken
getOwner().add(MetadataComponent.class).addMeta(new Metadata<Float>(Metadata.TYPE_FLOAT, 19) {
@Override
public Float getValue() {
return getMaxDurability() - getDurability();
}
@Override
public void setValue(Float value) {
setDurability(getMaxDurability() - value);
}
});
}
@Override
public void onTick(float dt) {
super.onTick(dt);
// Regenerate durability
float durability = getDurability();
if (durability < getMaxDurability()) {
setDurability(durability + getDurabilityRestoreRate() * dt);
}
}
public float getMaxDurability() {
return 40.0f;
}
/**
* Gets the rate in durability/second that durability is restored
*
* @return Durability restore rate
*/
public float getDurabilityRestoreRate() {
return 20.0f;
}
@Override
public void onInteract(final EntityInteractEvent<?> event) {
if (event instanceof PlayerInteractEntityEvent) {
final PlayerInteractEntityEvent pie = (PlayerInteractEntityEvent) event;
switch (pie.getAction()) {
case LEFT_CLICK:
damage(10.0f);
if (getDurability() == 0.0f) {
onDestroy();
getOwner().remove();
}
break;
}
}
}
protected void onDestroy() {
// Spawn drops (if applicable)
DeathDrops deathDropsComp = getOwner().get(DeathDrops.class);
if (deathDropsComp == null) {
return;
}
List<ItemStack> drops = deathDropsComp.getDrops();
Point entityPosition = getOwner().getPhysics().getPosition();
for (ItemStack stack : drops) {
if (stack != null) {
Item.dropNaturally(entityPosition, stack);
}
}
}
public void damage(float damage) {
setDurability(getDurability() - damage);
if (damage > 0.0f) {
getOwner().getNetwork().callProtocolEvent(new EntityStatusEvent(getOwner(), EntityStatusMessage.ENTITY_HURT));
}
}
public float getDurability() {
return getOwner().getData().get(VanillaData.DURABILITY);
}
public void setDurability(float durability) {
//TODO: Add a Float-based clamp function to GenericMath
float clampDurability = durability;
if (durability < 0) {
clampDurability = 0.0f;
} else if (durability > getMaxDurability()) {
clampDurability = getMaxDurability();
}
getOwner().getData().put(VanillaData.DURABILITY, clampDurability);
}
}