/*
* This file is part of SpoutcraftPlugin.
*
* Copyright (c) 2011 SpoutcraftDev <http://spoutcraft.org//>
* SpoutcraftPlugin is licensed under the GNU Lesser General Public License.
*
* SpoutcraftPlugin 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.
*
* SpoutcraftPlugin 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
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.getspout.spoutapi.packet;
import java.io.IOException;
import java.util.UUID;
import org.bukkit.Bukkit;
import org.bukkit.inventory.ItemStack;
import org.getspout.spoutapi.SpoutManager;
import org.getspout.spoutapi.event.slot.SlotEvent;
import org.getspout.spoutapi.event.slot.SlotExchangeEvent;
import org.getspout.spoutapi.event.slot.SlotPutEvent;
import org.getspout.spoutapi.event.slot.SlotShiftClickEvent;
import org.getspout.spoutapi.event.slot.SlotTakeEvent;
import org.getspout.spoutapi.gui.InGameHUD;
import org.getspout.spoutapi.gui.PopupScreen;
import org.getspout.spoutapi.gui.Screen;
import org.getspout.spoutapi.gui.Slot;
import org.getspout.spoutapi.io.SpoutInputStream;
import org.getspout.spoutapi.io.SpoutOutputStream;
import org.getspout.spoutapi.player.SpoutPlayer;
public class PacketSlotClick implements SpoutPacket {
private UUID screen;
private UUID slot;
private int button;
private boolean holdingShift;
public PacketSlotClick() {
}
public PacketSlotClick(Slot slot, int button, boolean holdingShift) {
screen = slot.getScreen().getId();
this.slot = slot.getId();
this.button = button;
this.holdingShift = holdingShift;
}
public void readData(SpoutInputStream input) throws IOException {
long msb = input.readLong();
long lsb = input.readLong();
screen = new UUID(msb, lsb);
msb = input.readLong();
lsb = input.readLong();
slot = new UUID(msb, lsb);
button = input.read();
holdingShift = input.readBoolean();
}
public void writeData(SpoutOutputStream output) throws IOException {
output.writeLong(screen.getMostSignificantBits());
output.writeLong(screen.getLeastSignificantBits()); // 16
output.writeLong(slot.getMostSignificantBits());
output.writeLong(slot.getLeastSignificantBits()); // 32
output.write(button); // mouseClick will usually be 0 (left) or 1 (right) - so this is safe unless the mouse has... 257 buttons :P
output.writeBoolean(holdingShift);//34
}
public int getNumBytes() {
return 34;
}
public void run(int playerId) {
SpoutPlayer p = SpoutManager.getPlayerFromId(playerId);
InGameHUD mainScreen = p.getMainScreen();
PopupScreen popup = mainScreen.getActivePopup();
Screen current = p.getCurrentScreen();
Screen in = null;
if (mainScreen != null && screen.equals(mainScreen.getId())) {
in = mainScreen;
}
if (popup != null && screen.equals(popup.getId())) {
in = popup;
}
if (current != null && screen.equals(current.getId())) {
in = current;
}
if (in == null) {
return;
}
if (!in.containsWidget(slot)) {
return;
}
// Slot handling code goes here.
Slot slot = (Slot) in.getWidget(this.slot);
try {
ItemStack stackOnCursor = p.getItemOnCursor();
if (stackOnCursor == null) {
stackOnCursor = new ItemStack(0);
}
ItemStack stackInSlot = slot.getItem();
if ((stackOnCursor == null || stackOnCursor.getTypeId() == 0) && stackInSlot.getTypeId() == 0) {
return; // Nothing to do
}
if (stackOnCursor.getTypeId() == 0 && stackInSlot.getTypeId() != 0 && button == 1) { // Split item
int amountSlot = stackInSlot.getAmount() / 2;
int amountCursor = stackInSlot.getAmount() - amountSlot;
if (stackInSlot.getAmount() == 1) {
amountSlot = 0;
amountCursor = 1;
}
stackOnCursor = stackInSlot.clone();
stackOnCursor.setAmount(amountCursor);
stackInSlot.setAmount(amountSlot);
if (amountSlot == 0) {
stackInSlot = new ItemStack(0);
}
SlotEvent s = new SlotTakeEvent(p, slot, stackInSlot, !slot.onItemTake(stackOnCursor));
Bukkit.getPluginManager().callEvent(s);
if (!s.isCancelled()) {
slot.setItem(stackInSlot);
} else {
slot.setDirty(true); // We need to tell the client that the operation was denied.
return;
}
} else if (stackOnCursor != null && (stackInSlot.getTypeId() == 0 || (stackInSlot.getTypeId() == stackOnCursor.getTypeId() && stackInSlot.getDurability() == stackOnCursor.getDurability()))) { // Put item
ItemStack toPut = stackOnCursor.clone();
int putAmount = toPut.getAmount();
if (button == 1) {
putAmount = 1;
}
int amount = stackInSlot.getTypeId() == 0 ? 0 : stackInSlot.getAmount();
amount += putAmount;
int maxStackSize = toPut.getMaxStackSize();
if (maxStackSize == -1) {
maxStackSize = 64;
}
if (amount > maxStackSize) {
putAmount -= amount - maxStackSize;
amount = maxStackSize;
}
if (putAmount <= 0) {
return;
}
toPut.setAmount(putAmount);
SlotEvent s = new SlotPutEvent(p, slot, stackInSlot, !slot.onItemPut(toPut));
Bukkit.getPluginManager().callEvent(s);
if (!s.isCancelled()) {
stackOnCursor.setAmount(stackOnCursor.getAmount() - putAmount);
if (stackOnCursor.getAmount() == 0) {
stackOnCursor = new ItemStack(0);
}
ItemStack put = toPut.clone();
put.setAmount(amount);
slot.setItem(put);
} else {
slot.setDirty(true); // We need to tell the client that the operation was denied.
}
} else if (stackOnCursor == null || stackOnCursor.getTypeId() == 0) { //Take item or shift click
if (holdingShift) {
slot.onItemShiftClicked();
SlotEvent s = new SlotShiftClickEvent(p, slot);
Bukkit.getPluginManager().callEvent(s);
} else { // Take item
SlotEvent s = new SlotTakeEvent(p, slot, stackInSlot, !slot.onItemTake(stackInSlot));
Bukkit.getPluginManager().callEvent(s);
if (!s.isCancelled()) {
stackOnCursor = stackInSlot;
slot.setItem(new ItemStack(0));
} else {
slot.setDirty(true); // We need to tell the client that the operation was denied.
}
}
} else if (stackOnCursor.getTypeId() != stackInSlot.getTypeId() || stackOnCursor.getDurability() != stackInSlot.getDurability()) { // Exchange slot stack and cursor stack
SlotEvent s = new SlotExchangeEvent(p, slot, stackInSlot, stackOnCursor.clone(), !slot.onItemExchange(stackInSlot, stackOnCursor.clone()));
Bukkit.getPluginManager().callEvent(s);
if (!s.isCancelled()) {
slot.setItem(stackOnCursor.clone());
stackOnCursor = stackInSlot;
} else {
slot.setDirty(true); // We need to tell the client that the operation was denied.
}
}
if (stackOnCursor == null || stackOnCursor.getTypeId() == 0) {
p.setItemOnCursor(null);
} else {
p.setItemOnCursor(stackOnCursor);
}
} catch (Exception e) {
e.printStackTrace();
}
}
public void failure(int playerId) {
}
public PacketType getPacketType() {
return PacketType.PacketSlotClick;
}
public int getVersion() {
return 0;
}
}