/*
* This file is part of Skript.
*
* Skript is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Skript 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Skript. If not, see <http://www.gnu.org/licenses/>.
*
*
* Copyright 2011-2014 Peter Güttinger
*
*/
package ch.njol.skript.expressions;
import org.bukkit.entity.LivingEntity;
import org.bukkit.entity.Player;
import org.bukkit.event.Event;
import org.bukkit.event.player.PlayerBucketEmptyEvent;
import org.bukkit.event.player.PlayerBucketEvent;
import org.bukkit.event.player.PlayerBucketFillEvent;
import org.bukkit.event.player.PlayerItemHeldEvent;
import org.bukkit.inventory.EntityEquipment;
import org.bukkit.inventory.ItemStack;
import org.bukkit.inventory.PlayerInventory;
import org.eclipse.jdt.annotation.Nullable;
import ch.njol.skript.Skript;
import ch.njol.skript.doc.Description;
import ch.njol.skript.doc.Examples;
import ch.njol.skript.doc.Name;
import ch.njol.skript.doc.Since;
import ch.njol.skript.effects.Delay;
import ch.njol.skript.expressions.base.PropertyExpression;
import ch.njol.skript.lang.Expression;
import ch.njol.skript.lang.ExpressionType;
import ch.njol.skript.lang.SkriptParser.ParseResult;
import ch.njol.skript.registrations.Classes;
import ch.njol.skript.util.EquipmentSlot;
import ch.njol.skript.util.Getter;
import ch.njol.skript.util.InventorySlot;
import ch.njol.skript.util.Slot;
import ch.njol.util.Kleenean;
/**
* @author Peter Güttinger
*/
@Name("Tool")
@Description("The item a player is holding.")
@Examples({"player is holding a pickaxe",
"# is the same as",
"player's tool is a pickaxe"})
@Since("1.0")
public class ExprTool extends PropertyExpression<LivingEntity, Slot> {
static {
Skript.registerExpression(ExprTool.class, Slot.class, ExpressionType.PROPERTY, "[the] (tool|held item|weapon) [of %livingentities%]", "%livingentities%'[s] (tool|held item|weapon)");
}
@SuppressWarnings({"unchecked", "null"})
@Override
public boolean init(final Expression<?>[] exprs, final int matchedPattern, final Kleenean isDelayed, final ParseResult parser) {
setExpr((Expression<Player>) exprs[0]);
return true;
}
@Override
protected Slot[] get(final Event e, final LivingEntity[] source) {
final boolean delayed = Delay.isDelayed(e);
return get(source, new Getter<Slot, LivingEntity>() {
@Override
@Nullable
public Slot get(final LivingEntity p) {
if (!delayed) {
if (e instanceof PlayerItemHeldEvent && ((PlayerItemHeldEvent) e).getPlayer() == p) {
final PlayerInventory i = ((PlayerItemHeldEvent) e).getPlayer().getInventory();
assert i != null;
return new InventorySlot(i, getTime() >= 0 ? ((PlayerItemHeldEvent) e).getNewSlot() : ((PlayerItemHeldEvent) e).getPreviousSlot());
} else if (e instanceof PlayerBucketEvent && ((PlayerBucketEvent) e).getPlayer() == p) {
final PlayerInventory i = ((PlayerBucketEvent) e).getPlayer().getInventory();
assert i != null;
return new InventorySlot(i, ((PlayerBucketEvent) e).getPlayer().getInventory().getHeldItemSlot()) {
@Override
@Nullable
public ItemStack getItem() {
return getTime() <= 0 ? super.getItem() : ((PlayerBucketEvent) e).getItemStack();
}
@Override
public void setItem(final @Nullable ItemStack item) {
if (getTime() >= 0) {
((PlayerBucketEvent) e).setItemStack(item);
} else {
super.setItem(item);
}
}
};
}
}
final EntityEquipment e = p.getEquipment();
if (e == null)
return null;
return new EquipmentSlot(e, EquipmentSlot.EquipSlot.TOOL) {
@Override
public String toString_i() {
return "the " + (getTime() == 1 ? "future " : getTime() == -1 ? "former " : "") + super.toString_i();
}
};
}
});
}
@Override
public Class<Slot> getReturnType() {
return Slot.class;
}
@Override
public String toString(final @Nullable Event e, final boolean debug) {
if (e == null)
return "the " + (getTime() == 1 ? "future " : getTime() == -1 ? "former " : "") + "tool of " + getExpr().toString(e, debug);
return Classes.getDebugMessage(getSingle(e));
}
@SuppressWarnings("unchecked")
@Override
public boolean setTime(final int time) {
return super.setTime(time, getExpr(), PlayerItemHeldEvent.class, PlayerBucketFillEvent.class, PlayerBucketEmptyEvent.class);
}
}