private static boolean canMergeItems(ItemStack itemstack, ItemStack itemstack1) {
return itemstack.getItem() != itemstack1.getItem()
? false
: (itemstack.getData() != itemstack1.getData()
? false
: (itemstack.count > itemstack.getMaxStackSize()
? false
: ItemStack.equals(itemstack, itemstack1)));
}
public void a(Packet102WindowClick packet102windowclick) {
// CraftBukkit start
if (this.player.dead) {
return;
}
// CraftBukkit end
if (this.player.activeContainer.f == packet102windowclick.a
&& this.player.activeContainer.c(this.player)) {
ItemStack itemstack =
this.player.activeContainer.a(
packet102windowclick.b, packet102windowclick.c, packet102windowclick.f, this.player);
if (ItemStack.equals(packet102windowclick.e, itemstack)) {
this.player.netServerHandler.sendPacket(
new Packet106Transaction(packet102windowclick.a, packet102windowclick.d, true));
this.player.h = true;
this.player.activeContainer.a();
this.player.y();
this.player.h = false;
} else {
this.n.put(
Integer.valueOf(this.player.activeContainer.f), Short.valueOf(packet102windowclick.d));
this.player.netServerHandler.sendPacket(
new Packet106Transaction(packet102windowclick.a, packet102windowclick.d, false));
this.player.activeContainer.a(this.player, false);
ArrayList arraylist = new ArrayList();
for (int i = 0; i < this.player.activeContainer.e.size(); ++i) {
arraylist.add(((Slot) this.player.activeContainer.e.get(i)).getItem());
}
this.player.a(this.player.activeContainer, arraylist);
}
}
}
public void a(Packet15Place packet15place) {
WorldServer worldserver = this.minecraftServer.a(this.player.dimension);
// CraftBukkit start
if (this.player.dead) {
return;
}
// This is b horrible hack needed because the client sends 2 packets on 'right mouse click'
// aimed at b block. We shouldn't need to get the second packet if the data is handled
// but we cannot know what the client will do, so we might still get it
//
// If the time between packets is small enough, and the 'signature' similar, we discard the
// second one. This sadly has to remain until Mojang makes their packets saner. :(
// -- Grum
if (packet15place.face == 255) {
if (packet15place.itemstack != null
&& packet15place.itemstack.id == lastMaterial
&& lastPacket != null
&& packet15place.timestamp - lastPacket < 100) {
lastPacket = null;
return;
}
} else {
lastMaterial = packet15place.itemstack == null ? -1 : packet15place.itemstack.id;
lastPacket = packet15place.timestamp;
}
// CraftBukkit - if rightclick decremented the item, always send the update packet.
// this is not here for CraftBukkit's own functionality; rather it is to fix
// b notch bug where the item doesn't update correctly.
boolean always = false;
// CraftBukkit end
ItemStack itemstack = this.player.inventory.getItemInHand();
boolean flag =
worldserver.weirdIsOpCache =
worldserver.worldProvider.dimension != 0
|| this.minecraftServer.serverConfigurationManager.isOp(this.player.name);
if (packet15place.face == 255) {
if (itemstack == null) {
return;
}
// CraftBukkit start
int itemstackAmount = itemstack.count;
PlayerInteractEvent event =
CraftEventFactory.callPlayerInteractEvent(this.player, Action.RIGHT_CLICK_AIR, itemstack);
if (event.useItemInHand() != Event.Result.DENY) {
this.player.itemInWorldManager.useItem(this.player, this.player.world, itemstack);
}
// CraftBukkit - notch decrements the counter by 1 in the above method with food,
// snowballs and so forth, but he does it in b place that doesn't cause the
// inventory update packet to get sent
always = (itemstack.count != itemstackAmount);
// CraftBukkit end
} else {
int i = packet15place.a;
int j = packet15place.b;
int k = packet15place.c;
int l = packet15place.face;
ChunkCoordinates chunkcoordinates = worldserver.getSpawn();
int i1 = (int) MathHelper.abs((float) (i - chunkcoordinates.x));
int j1 = (int) MathHelper.abs((float) (k - chunkcoordinates.z));
if (i1 > j1) {
j1 = i1;
}
// CraftBukkit start - Check if we can actually do something over this large a distance
Location eyeLoc = getPlayer().getEyeLocation();
if (Math.pow(eyeLoc.getX() - i, 2)
+ Math.pow(eyeLoc.getY() - j, 2)
+ Math.pow(eyeLoc.getZ() - k, 2)
> PLACE_DISTANCE_SQUARED) {
return;
}
flag = true; // spawn protection moved to ItemBlock!!!
// CraftBukkit end
if (j1 > 16 || flag) {
this.player.itemInWorldManager.interact(this.player, worldserver, itemstack, i, j, k, l);
}
this.player.netServerHandler.sendPacket(new Packet53BlockChange(i, j, k, worldserver));
if (l == 0) {
--j;
}
if (l == 1) {
++j;
}
if (l == 2) {
--k;
}
if (l == 3) {
++k;
}
if (l == 4) {
--i;
}
if (l == 5) {
++i;
}
this.player.netServerHandler.sendPacket(new Packet53BlockChange(i, j, k, worldserver));
}
itemstack = this.player.inventory.getItemInHand();
if (itemstack != null && itemstack.count == 0) {
this.player.inventory.items[this.player.inventory.itemInHandIndex] = null;
}
this.player.h = true;
this.player.inventory.items[this.player.inventory.itemInHandIndex] =
ItemStack.b(this.player.inventory.items[this.player.inventory.itemInHandIndex]);
Slot slot =
this.player.activeContainer.a(this.player.inventory, this.player.inventory.itemInHandIndex);
this.player.activeContainer.a();
this.player.h = false;
// CraftBukkit
if (!ItemStack.equals(this.player.inventory.getItemInHand(), packet15place.itemstack)
|| always) {
this.sendPacket(
new Packet103SetSlot(
this.player.activeContainer.f, slot.a, this.player.inventory.getItemInHand()));
}
worldserver.weirdIsOpCache = false;
}
public boolean handleInventoryClick(
Packet102WindowClick packet,
InventorySlotType type,
SpoutCraftItemStack slot,
SpoutCraftItemStack cursor,
Inventory inventory) {
InventoryClickEvent event = null;
Result result = Result.DEFAULT;
boolean success = false;
final int LEFT_CLICK = 0;
final int RIGHT_CLICK = 1;
int click = packet.c;
// clicked on bottom player inventory
if (!(this.player.activeContainer instanceof ContainerPlayer)
&& this.player.defaultContainer instanceof ContainerPlayer
&& packet.b >= inventory.getSize()) {
int activeSlot = packet.b - inventory.getSize() + 9;
if (activeSlot >= this.getPlayer().getInventory().getSize()) {
activeSlot -= this.getPlayer().getInventory().getSize();
}
type = getInventorySlotType(activeSlot);
event =
new InventoryPlayerClickEvent(
this.getPlayer(),
this.getPlayer().getInventory(),
type,
slot,
cursor,
activeSlot,
click == LEFT_CLICK,
packet.f,
activeLocation);
} else {
event =
new InventoryClickEvent(
this.getPlayer(),
inventory,
type,
slot,
cursor,
packet.b,
click == LEFT_CLICK,
packet.f,
activeLocation);
}
if (event != null) {
Bukkit.getServer().getPluginManager().callEvent(event);
result = event.getResult();
cursor = SpoutCraftItemStack.getCraftItemStack(event.getCursor());
slot = SpoutCraftItemStack.getCraftItemStack(event.getItem());
}
// initialize setup
ItemStack itemstack = slot != null ? slot.getHandle() : null;
ItemStack cursorstack = cursor != null ? cursor.getHandle() : null;
// NOTE: Successful means that its successful as-is; thus, only becomes true for default
// behaviour
switch (result) {
case DEFAULT:
itemstack = this.player.activeContainer.a(packet.b, packet.c, packet.f, this.player);
success = ItemStack.equals(packet.e, itemstack);
break;
case DENY:
if (packet.b != -999) { // Only swap if target is not OUTSIDE
if (itemstack != null) {
setActiveSlot(packet.b, itemstack);
setCursorSlot((ItemStack) null);
}
if (event.getCursor() != null) {
setActiveSlot(packet.b, itemstack);
setCursorSlot(cursorstack);
}
}
break;
case ALLOW: // Allow the placement unconditionally
if (packet.b == -999) { // Clicked outside, just defer to default
itemstack = this.player.activeContainer.a(packet.b, packet.c, packet.f, this.player);
} else {
if (click == LEFT_CLICK
&& (itemstack != null
&& cursorstack != null
&& itemstack.doMaterialsMatch(cursorstack))) {
// Left-click full slot with full cursor of same item; merge stacks
itemstack.count += cursorstack.count;
cursorstack = null;
} else if (click == LEFT_CLICK
|| (itemstack != null
&& cursorstack != null
&& !itemstack.doMaterialsMatch(cursorstack))) {
// Either left-click, or right-click full slot with full cursor of different item; just
// swap contents
ItemStack temp = itemstack;
itemstack = cursorstack;
cursorstack = temp;
} else if (click == RIGHT_CLICK) { // Right-click with either slot or cursor empty
if (itemstack == null) { // Slot empty; drop one
if (cursorstack != null) {
itemstack = cursorstack.a(1);
if (cursorstack.count == 0) {
cursorstack = null;
}
}
} else if (cursorstack == null) { // Cursor empty; take half
cursorstack = itemstack.a((itemstack.count + 1) / 2);
} else { // Neither empty, but same item; drop one
ItemStack drop = cursorstack.a(1);
itemstack.count += drop.count;
if (cursorstack.count == 0) {
cursorstack = null;
}
}
}
// update the stacks
setActiveSlot(packet.b, itemstack);
setCursorSlot(cursorstack);
}
break;
}
return success;
}
protected boolean a(ItemStack itemstack, int i, int j, boolean flag) {
boolean flag1 = false;
int k = i;
if (flag) {
k = j - 1;
}
Slot slot;
ItemStack itemstack1;
if (itemstack.isStackable()) {
while (itemstack.count > 0 && (!flag && k < j || flag && k >= i)) {
slot = (Slot) this.c.get(k);
itemstack1 = slot.getItem();
if (itemstack1 != null
&& itemstack1.id == itemstack.id
&& (!itemstack.usesData() || itemstack.getData() == itemstack1.getData())
&& ItemStack.equals(itemstack, itemstack1)) {
int l = itemstack1.count + itemstack.count;
if (l <= itemstack.getMaxStackSize()) {
itemstack.count = 0;
itemstack1.count = l;
slot.e();
flag1 = true;
} else if (itemstack1.count < itemstack.getMaxStackSize()) {
itemstack.count -= itemstack.getMaxStackSize() - itemstack1.count;
itemstack1.count = itemstack.getMaxStackSize();
slot.e();
flag1 = true;
}
}
if (flag) {
--k;
} else {
++k;
}
}
}
if (itemstack.count > 0) {
if (flag) {
k = j - 1;
} else {
k = i;
}
while (!flag && k < j || flag && k >= i) {
slot = (Slot) this.c.get(k);
itemstack1 = slot.getItem();
if (itemstack1 == null) {
slot.set(itemstack.cloneItemStack());
slot.e();
itemstack.count = 0;
flag1 = true;
break;
}
if (flag) {
--k;
} else {
++k;
}
}
}
return flag1;
}
public ItemStack clickItem(int i, int j, int k, EntityHuman entityhuman) {
ItemStack itemstack = null;
PlayerInventory playerinventory = entityhuman.inventory;
Slot slot;
ItemStack itemstack1;
int l;
ItemStack itemstack2;
if ((k == 0 || k == 1) && (j == 0 || j == 1)) {
if (i == -999) {
if (playerinventory.getCarried() != null && i == -999) {
if (j == 0) {
entityhuman.drop(playerinventory.getCarried());
playerinventory.setCarried((ItemStack) null);
}
if (j == 1) {
// CraftBukkit start - store a reference
ItemStack itemstack3 = playerinventory.getCarried();
if (itemstack3.count > 0) {
entityhuman.drop(itemstack3.a(1));
}
if (itemstack3.count == 0) {
// CraftBukkit end
playerinventory.setCarried((ItemStack) null);
}
}
}
} else if (k == 1) {
slot = (Slot) this.c.get(i);
if (slot != null && slot.a(entityhuman)) {
itemstack1 = this.b(entityhuman, i);
if (itemstack1 != null) {
int i1 = itemstack1.id;
itemstack = itemstack1.cloneItemStack();
if (slot != null && slot.getItem() != null && slot.getItem().id == i1) {
this.a(i, j, true, entityhuman);
}
}
}
} else {
if (i < 0) {
return null;
}
slot = (Slot) this.c.get(i);
if (slot != null) {
itemstack1 = slot.getItem();
ItemStack itemstack3 = playerinventory.getCarried();
if (itemstack1 != null) {
itemstack = itemstack1.cloneItemStack();
}
if (itemstack1 == null) {
if (itemstack3 != null && slot.isAllowed(itemstack3)) {
l = j == 0 ? itemstack3.count : 1;
if (l > slot.a()) {
l = slot.a();
}
// CraftBukkit start
if (itemstack3.count >= l) {
slot.set(itemstack3.a(l));
}
// CraftBukkit end
if (itemstack3.count == 0) {
playerinventory.setCarried((ItemStack) null);
}
}
} else if (slot.a(entityhuman)) {
if (itemstack3 == null) {
l = j == 0 ? itemstack1.count : (itemstack1.count + 1) / 2;
itemstack2 = slot.a(l);
playerinventory.setCarried(itemstack2);
if (itemstack1.count == 0) {
slot.set((ItemStack) null);
}
slot.a(entityhuman, playerinventory.getCarried());
} else if (slot.isAllowed(itemstack3)) {
if (itemstack1.id == itemstack3.id
&& (!itemstack1.usesData() || itemstack1.getData() == itemstack3.getData())
&& ItemStack.equals(itemstack1, itemstack3)) {
l = j == 0 ? itemstack3.count : 1;
if (l > slot.a() - itemstack1.count) {
l = slot.a() - itemstack1.count;
}
if (l > itemstack3.getMaxStackSize() - itemstack1.count) {
l = itemstack3.getMaxStackSize() - itemstack1.count;
}
itemstack3.a(l);
if (itemstack3.count == 0) {
playerinventory.setCarried((ItemStack) null);
}
itemstack1.count += l;
} else if (itemstack3.count <= slot.a()) {
slot.set(itemstack3);
playerinventory.setCarried(itemstack1);
}
} else if (itemstack1.id == itemstack3.id
&& itemstack3.getMaxStackSize() > 1
&& (!itemstack1.usesData() || itemstack1.getData() == itemstack3.getData())
&& ItemStack.equals(itemstack1, itemstack3)) {
l = itemstack1.count;
if (l > 0 && l + itemstack3.count <= itemstack3.getMaxStackSize()) {
itemstack3.count += l;
itemstack1 = slot.a(l);
if (itemstack1.count == 0) {
slot.set((ItemStack) null);
}
slot.a(entityhuman, playerinventory.getCarried());
}
}
}
slot.e();
}
}
} else if (k == 2 && j >= 0 && j < 9) {
slot = (Slot) this.c.get(i);
if (slot.a(entityhuman)) {
itemstack1 = playerinventory.getItem(j);
boolean flag =
itemstack1 == null || slot.inventory == playerinventory && slot.isAllowed(itemstack1);
l = -1;
if (!flag) {
l = playerinventory.i();
flag |= l > -1;
}
if (slot.d() && flag) {
itemstack2 = slot.getItem();
playerinventory.setItem(j, itemstack2);
if ((slot.inventory != playerinventory || !slot.isAllowed(itemstack1))
&& itemstack1 != null) {
if (l > -1) {
playerinventory.pickup(itemstack1);
slot.set((ItemStack) null);
slot.a(entityhuman, itemstack2);
}
} else {
slot.set(itemstack1);
slot.a(entityhuman, itemstack2);
}
} else if (!slot.d() && itemstack1 != null && slot.isAllowed(itemstack1)) {
playerinventory.setItem(j, (ItemStack) null);
slot.set(itemstack1);
}
}
} else if (k == 3
&& entityhuman.abilities.canInstantlyBuild
&& playerinventory.getCarried() == null
&& i >= 0) {
slot = (Slot) this.c.get(i);
if (slot != null && slot.d()) {
itemstack1 = slot.getItem().cloneItemStack();
itemstack1.count = itemstack1.getMaxStackSize();
playerinventory.setCarried(itemstack1);
}
}
return itemstack;
}