4jcraft/Minecraft.World/Containers/AbstractContainerMenu.cpp
2026-03-13 17:06:56 -05:00

457 lines
17 KiB
C++

#include "../Platform/stdafx.h"
#include "../Headers/net.minecraft.world.entity.player.h"
#include "../Headers/net.minecraft.world.item.h"
#include "Slot.h"
#include "AbstractContainerMenu.h"
// 4J Stu - The java does not have ctor here (being an abstract) but we need one
// to initialise the member variables
// TODO Make sure all derived classes also call this
AbstractContainerMenu::AbstractContainerMenu() {
lastSlots = new std::vector<std::shared_ptr<ItemInstance> >();
slots = new std::vector<Slot*>();
containerId = 0;
changeUid = 0;
m_bNeedsRendered = false;
containerListeners = new std::vector<ContainerListener*>();
}
AbstractContainerMenu::~AbstractContainerMenu() {
delete lastSlots;
for (unsigned int i = 0; i < slots->size(); i++) {
delete slots->at(i);
}
delete slots;
delete containerListeners;
}
Slot* AbstractContainerMenu::addSlot(Slot* slot) {
slot->index = (int)slots->size();
slots->push_back(slot);
lastSlots->push_back(nullptr);
return slot;
}
void AbstractContainerMenu::addSlotListener(ContainerListener* listener) {
// TODO 4J Add exceptions
/*
if (containerListeners->contains(listener)) {
throw new IllegalArgumentException("Listener already listening");
}
*/
containerListeners->push_back(listener);
std::vector<std::shared_ptr<ItemInstance> >* items = getItems();
listener->refreshContainer(this, items);
delete items;
broadcastChanges();
}
std::vector<std::shared_ptr<ItemInstance> >* AbstractContainerMenu::getItems() {
std::vector<std::shared_ptr<ItemInstance> >* items =
new std::vector<std::shared_ptr<ItemInstance> >();
AUTO_VAR(itEnd, slots->end());
for (AUTO_VAR(it, slots->begin()); it != itEnd; it++) {
items->push_back((*it)->getItem());
}
return items;
}
void AbstractContainerMenu::sendData(int id, int value) {
AUTO_VAR(itEnd, containerListeners->end());
for (AUTO_VAR(it, containerListeners->begin()); it != itEnd; it++) {
(*it)->setContainerData(this, id, value);
}
}
void AbstractContainerMenu::broadcastChanges() {
for (unsigned int i = 0; i < slots->size(); i++) {
std::shared_ptr<ItemInstance> current = slots->at(i)->getItem();
std::shared_ptr<ItemInstance> expected = lastSlots->at(i);
if (!ItemInstance::matches(expected, current)) {
expected = current == NULL ? nullptr : current->copy();
(*lastSlots)[i] = expected;
m_bNeedsRendered = true;
AUTO_VAR(itEnd, containerListeners->end());
for (AUTO_VAR(it, containerListeners->begin()); it != itEnd; it++) {
(*it)->slotChanged(this, i, expected);
}
}
}
}
bool AbstractContainerMenu::needsRendered() {
bool needsRendered = m_bNeedsRendered;
m_bNeedsRendered = false;
for (unsigned int i = 0; i < slots->size(); i++) {
std::shared_ptr<ItemInstance> current = slots->at(i)->getItem();
std::shared_ptr<ItemInstance> expected = lastSlots->at(i);
if (!ItemInstance::matches(expected, current)) {
expected = current == NULL ? nullptr : current->copy();
(*lastSlots)[i] = expected;
needsRendered = true;
}
}
return needsRendered;
}
bool AbstractContainerMenu::clickMenuButton(std::shared_ptr<Player> player,
int buttonId) {
return false;
}
Slot* AbstractContainerMenu::getSlotFor(std::shared_ptr<Container> c,
int index) {
AUTO_VAR(itEnd, slots->end());
for (AUTO_VAR(it, slots->begin()); it != itEnd; it++) {
Slot* slot = *it; // slots->at(i);
if (slot->isAt(c, index)) {
return slot;
}
}
return NULL;
}
Slot* AbstractContainerMenu::getSlot(int index) { return slots->at(index); }
std::shared_ptr<ItemInstance> AbstractContainerMenu::quickMoveStack(
std::shared_ptr<Player> player, int slotIndex) {
Slot* slot = slots->at(slotIndex);
if (slot != NULL) {
return slot->getItem();
}
return nullptr;
}
std::shared_ptr<ItemInstance> AbstractContainerMenu::clicked(
int slotIndex, int buttonNum, int clickType,
std::shared_ptr<Player> player) {
std::shared_ptr<ItemInstance> clickedEntity = nullptr;
std::shared_ptr<Inventory> inventory = player->inventory;
if ((clickType == CLICK_PICKUP || clickType == CLICK_QUICK_MOVE) &&
(buttonNum == 0 || buttonNum == 1)) {
if (slotIndex == CLICKED_OUTSIDE) {
if (inventory->getCarried() != NULL) {
if (slotIndex == CLICKED_OUTSIDE) {
if (buttonNum == 0) {
player->drop(inventory->getCarried());
inventory->setCarried(nullptr);
}
if (buttonNum == 1) {
player->drop(inventory->getCarried()->remove(1));
if (inventory->getCarried()->count == 0)
inventory->setCarried(nullptr);
}
}
}
} else if (clickType == CLICK_QUICK_MOVE) {
Slot* slot = slots->at(slotIndex);
if (slot != NULL && slot->mayPickup(player)) {
std::shared_ptr<ItemInstance> piiClicked =
quickMoveStack(player, slotIndex);
if (piiClicked != NULL) {
// int oldSize = piiClicked->count; // 4J - Commented 1.8.2
// and replaced with below
int oldType = piiClicked->id;
clickedEntity = piiClicked->copy();
if (slot != NULL) {
if (slot->getItem() != NULL &&
slot->getItem()->id == oldType) {
// 4J Stu - Brought forward loopClick from 1.2 to
// fix infinite recursion bug in creative
loopClick(slotIndex, buttonNum, true, player);
}
}
}
}
} else {
if (slotIndex < 0) return nullptr;
Slot* slot = slots->at(slotIndex);
if (slot != NULL) {
std::shared_ptr<ItemInstance> clicked = slot->getItem();
std::shared_ptr<ItemInstance> carried = inventory->getCarried();
if (clicked != NULL) {
clickedEntity = clicked->copy();
}
if (clicked == NULL) {
if (carried != NULL && slot->mayPlace(carried)) {
int c = buttonNum == 0 ? carried->count : 1;
if (c > slot->getMaxStackSize()) {
c = slot->getMaxStackSize();
}
slot->set(carried->remove(c));
if (carried->count == 0) {
inventory->setCarried(nullptr);
}
}
}
// 4J Added for dyable armour and combinining damaged items
else if (buttonNum == 1 && mayCombine(slot, carried)) {
std::shared_ptr<ItemInstance> combined =
slot->combine(carried);
if (combined != NULL) {
slot->set(combined);
if (!player->abilities.instabuild) carried->remove(1);
if (carried->count == 0) {
inventory->setCarried(nullptr);
}
}
} else if (slot->mayPickup(player)) {
if (carried == NULL) {
// pick up to empty hand
int c = buttonNum == 0 ? clicked->count
: (clicked->count + 1) / 2;
std::shared_ptr<ItemInstance> removed = slot->remove(c);
inventory->setCarried(removed);
if (clicked->count == 0) {
slot->set(nullptr);
}
slot->onTake(player, inventory->getCarried());
} else if (slot->mayPlace(carried)) {
// put down and/or pick up
if (clicked->id != carried->id ||
clicked->getAuxValue() != carried->getAuxValue() ||
!ItemInstance::tagMatches(clicked, carried)) {
// no match, replace
if (carried->count <= slot->getMaxStackSize()) {
slot->set(carried);
inventory->setCarried(clicked);
}
} else {
// match, attempt to fill slot
int c = buttonNum == 0 ? carried->count : 1;
if (c > slot->getMaxStackSize() - clicked->count) {
c = slot->getMaxStackSize() - clicked->count;
}
if (c >
carried->getMaxStackSize() - clicked->count) {
c = carried->getMaxStackSize() - clicked->count;
}
carried->remove(c);
if (carried->count == 0) {
inventory->setCarried(nullptr);
}
clicked->count += c;
}
} else {
// pick up to non-empty hand
if (clicked->id == carried->id &&
carried->getMaxStackSize() > 1 &&
(!clicked->isStackedByData() ||
clicked->getAuxValue() ==
carried->getAuxValue()) &&
ItemInstance::tagMatches(clicked, carried)) {
int c = clicked->count;
if (c > 0 && c + carried->count <=
carried->getMaxStackSize()) {
carried->count += c;
clicked = slot->remove(c);
if (clicked->count == 0) slot->set(nullptr);
slot->onTake(player, inventory->getCarried());
}
}
}
}
slot->setChanged();
}
}
} else if (clickType == CLICK_SWAP && buttonNum >= 0 && buttonNum < 9) {
Slot* slot = slots->at(slotIndex);
if (slot->mayPickup(player)) {
std::shared_ptr<ItemInstance> current =
inventory->getItem(buttonNum);
bool canMove = current == NULL || (slot->container == inventory &&
slot->mayPlace(current));
int freeSlot = -1;
if (!canMove) {
freeSlot = inventory->getFreeSlot();
canMove |= freeSlot > -1;
}
if (slot->hasItem() && canMove) {
std::shared_ptr<ItemInstance> taking = slot->getItem();
inventory->setItem(buttonNum, taking);
if ((slot->container == inventory && slot->mayPlace(current)) ||
current == NULL) {
slot->remove(taking->count);
slot->set(current);
slot->onTake(player, taking);
} else if (freeSlot > -1) {
inventory->add(current);
slot->remove(taking->count);
slot->set(nullptr);
slot->onTake(player, taking);
}
} else if (!slot->hasItem() && current != NULL &&
slot->mayPlace(current)) {
inventory->setItem(buttonNum, nullptr);
slot->set(current);
}
}
} else if (clickType == CLICK_CLONE && player->abilities.instabuild &&
inventory->getCarried() == NULL && slotIndex >= 0) {
Slot* slot = slots->at(slotIndex);
if (slot != NULL && slot->hasItem()) {
std::shared_ptr<ItemInstance> copy = slot->getItem()->copy();
copy->count = copy->getMaxStackSize();
inventory->setCarried(copy);
}
}
return clickedEntity;
}
// 4J Stu - Brought forward from 1.2 to fix infinite recursion bug in creative
void AbstractContainerMenu::loopClick(int slotIndex, int buttonNum,
bool quickKeyHeld,
std::shared_ptr<Player> player) {
clicked(slotIndex, buttonNum, CLICK_QUICK_MOVE, player);
}
bool AbstractContainerMenu::mayCombine(Slot* slot,
std::shared_ptr<ItemInstance> item) {
return false;
}
void AbstractContainerMenu::removed(std::shared_ptr<Player> player) {
std::shared_ptr<Inventory> inventory = player->inventory;
if (inventory->getCarried() != NULL) {
player->drop(inventory->getCarried());
inventory->setCarried(nullptr);
}
}
void AbstractContainerMenu::
slotsChanged() // 4J used to take a std::shared_ptr<Container> but wasn't
// using it, so removed to simplify things
{
broadcastChanges();
}
bool AbstractContainerMenu::isPauseScreen() { return false; }
void AbstractContainerMenu::setItem(unsigned int slot,
std::shared_ptr<ItemInstance> item) {
getSlot(slot)->set(item);
}
void AbstractContainerMenu::setAll(ItemInstanceArray* items) {
for (unsigned int i = 0; i < items->length; i++) {
getSlot(i)->set((*items)[i]);
}
}
void AbstractContainerMenu::setData(int id, int value) {}
short AbstractContainerMenu::backup(std::shared_ptr<Inventory> inventory) {
changeUid++;
return changeUid;
}
bool AbstractContainerMenu::isSynched(std::shared_ptr<Player> player) {
return !(unSynchedPlayers.find(player) != unSynchedPlayers.end());
}
void AbstractContainerMenu::setSynched(std::shared_ptr<Player> player,
bool synched) {
if (synched) {
AUTO_VAR(it, unSynchedPlayers.find(player));
if (it != unSynchedPlayers.end()) unSynchedPlayers.erase(it);
} else {
unSynchedPlayers.insert(player);
}
}
// 4J Stu - Brought a few changes in this function forward from 1.2 to make it
// return a bool
bool AbstractContainerMenu::moveItemStackTo(
std::shared_ptr<ItemInstance> itemStack, int startSlot, int endSlot,
bool backwards) {
bool anythingChanged = false;
int destSlot = startSlot;
if (backwards) {
destSlot = endSlot - 1;
}
// find stackable slots first
if (itemStack->isStackable()) {
while (itemStack->count > 0 && ((!backwards && destSlot < endSlot) ||
(backwards && destSlot >= startSlot))) {
Slot* slot = slots->at(destSlot);
std::shared_ptr<ItemInstance> target = slot->getItem();
if (target != NULL && target->id == itemStack->id &&
(!itemStack->isStackedByData() ||
itemStack->getAuxValue() == target->getAuxValue()) &&
ItemInstance::tagMatches(itemStack, target)) {
int totalStack = target->count + itemStack->count;
if (totalStack <= itemStack->getMaxStackSize()) {
itemStack->count = 0;
target->count = totalStack;
slot->setChanged();
anythingChanged = true;
} else if (target->count < itemStack->getMaxStackSize()) {
itemStack->count -=
(itemStack->getMaxStackSize() - target->count);
target->count = itemStack->getMaxStackSize();
slot->setChanged();
anythingChanged = true;
}
}
if (backwards) {
destSlot--;
} else {
destSlot++;
}
}
}
// find empty slot
if (itemStack->count > 0) {
if (backwards) {
destSlot = endSlot - 1;
} else {
destSlot = startSlot;
}
while ((!backwards && destSlot < endSlot) ||
(backwards && destSlot >= startSlot)) {
Slot* slot = slots->at(destSlot);
std::shared_ptr<ItemInstance> target = slot->getItem();
if (target == NULL) {
slot->set(itemStack->copy());
slot->setChanged();
itemStack->count = 0;
anythingChanged = true;
break;
}
if (backwards) {
destSlot--;
} else {
destSlot++;
}
}
}
return anythingChanged;
}
bool AbstractContainerMenu::isOverrideResultClick(int slotNum, int buttonNum) {
return false;
}