Geyser/connector/src/main/java/org/geysermc/connector/network/translators/inventory/action/InventoryActionDataTranslat...

339 lines
18 KiB
Java

/*
* Copyright (c) 2019-2021 GeyserMC. http://geysermc.org
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @author GeyserMC
* @link https://github.com/GeyserMC/Geyser
*/
package org.geysermc.connector.network.translators.inventory.action;
import com.github.steveice10.mc.protocol.data.game.entity.metadata.ItemStack;
import com.github.steveice10.mc.protocol.data.game.entity.metadata.Position;
import com.github.steveice10.mc.protocol.data.game.entity.player.PlayerAction;
import com.github.steveice10.mc.protocol.data.game.window.*;
import com.github.steveice10.mc.protocol.data.game.world.block.BlockFace;
import com.github.steveice10.mc.protocol.packet.ingame.client.player.ClientPlayerActionPacket;
import com.github.steveice10.mc.protocol.packet.ingame.client.window.ClientWindowActionPacket;
import com.nukkitx.protocol.bedrock.data.inventory.ContainerId;
import com.nukkitx.protocol.bedrock.data.inventory.InventoryActionData;
import com.nukkitx.protocol.bedrock.data.inventory.InventorySource;
import com.nukkitx.protocol.bedrock.data.inventory.ItemData;
import org.geysermc.connector.inventory.Inventory;
import org.geysermc.connector.network.session.GeyserSession;
import org.geysermc.connector.network.translators.inventory.InventoryTranslator;
import org.geysermc.connector.network.translators.inventory.SlotType;
import org.geysermc.connector.network.translators.item.ItemTranslator;
import org.geysermc.connector.utils.InventoryUtils;
import java.util.*;
public class InventoryActionDataTranslator {
public static void translate(InventoryTranslator translator, GeyserSession session, Inventory inventory, List<InventoryActionData> actions) {
if (actions.size() != 2)
return;
InventoryActionData worldAction = null;
InventoryActionData cursorAction = null;
InventoryActionData containerAction = null;
boolean refresh = false;
for (InventoryActionData action : actions) {
if (action.getSource().getContainerId() == ContainerId.CRAFTING_USE_INGREDIENT) {
return;
} else if (action.getSource().getType() == InventorySource.Type.WORLD_INTERACTION) {
worldAction = action;
} else if (action.getSource().getContainerId() == ContainerId.UI && action.getSlot() == 0) {
cursorAction = action;
ItemData translatedCursor = ItemTranslator.translateToBedrock(session, session.getInventory().getCursor());
if (!translatedCursor.equals(action.getFromItem())) {
refresh = true;
}
} else {
containerAction = action;
ItemData translatedItem = ItemTranslator.translateToBedrock(session, inventory.getItem(translator.bedrockSlotToJava(action)));
if (!translatedItem.equals(action.getFromItem())) {
refresh = true;
}
}
}
final int craftSlot = session.getCraftSlot();
session.setCraftSlot(0);
if (worldAction != null) {
InventoryActionData sourceAction;
if (cursorAction != null) {
sourceAction = cursorAction;
} else {
sourceAction = containerAction;
}
if (sourceAction != null) {
if (worldAction.getSource().getFlag() == InventorySource.Flag.DROP_ITEM) {
//quick dropping from hotbar?
if (session.getInventoryCache().getOpenInventory() == null && sourceAction.getSource().getContainerId() == ContainerId.INVENTORY) {
int heldSlot = session.getInventory().getHeldItemSlot();
if (sourceAction.getSlot() == heldSlot) {
ClientPlayerActionPacket actionPacket = new ClientPlayerActionPacket(
sourceAction.getToItem().getCount() == 0 ? PlayerAction.DROP_ITEM_STACK : PlayerAction.DROP_ITEM,
new Position(0, 0, 0), BlockFace.DOWN);
session.sendDownstreamPacket(actionPacket);
ItemStack item = session.getInventory().getItem(heldSlot);
if (item != null) {
session.getInventory().setItem(heldSlot, new ItemStack(item.getId(), item.getAmount() - 1, item.getNbt()));
}
return;
}
}
int dropAmount = sourceAction.getFromItem().getCount() - sourceAction.getToItem().getCount();
if (sourceAction != cursorAction) { //dropping directly from inventory
int javaSlot = translator.bedrockSlotToJava(sourceAction);
if (dropAmount == sourceAction.getFromItem().getCount()) {
ClientWindowActionPacket dropPacket = new ClientWindowActionPacket(inventory.getId(),
inventory.getTransactionId().getAndIncrement(),
javaSlot, null, WindowAction.DROP_ITEM,
DropItemParam.DROP_SELECTED_STACK);
session.sendDownstreamPacket(dropPacket);
} else {
for (int i = 0; i < dropAmount; i++) {
ClientWindowActionPacket dropPacket = new ClientWindowActionPacket(inventory.getId(),
inventory.getTransactionId().getAndIncrement(),
javaSlot, null, WindowAction.DROP_ITEM,
DropItemParam.DROP_FROM_SELECTED);
session.sendDownstreamPacket(dropPacket);
}
}
ItemStack item = inventory.getItem(javaSlot);
if (item != null) {
inventory.setItem(javaSlot, new ItemStack(item.getId(), item.getAmount() - dropAmount, item.getNbt()));
}
return;
} else { //clicking outside of inventory
ClientWindowActionPacket dropPacket = new ClientWindowActionPacket(inventory.getId(), inventory.getTransactionId().getAndIncrement(),
-999, null, WindowAction.CLICK_ITEM,
dropAmount > 1 ? ClickItemParam.LEFT_CLICK : ClickItemParam.RIGHT_CLICK);
session.sendDownstreamPacket(dropPacket);
ItemStack cursor = session.getInventory().getCursor();
if (cursor != null) {
session.getInventory().setCursor(new ItemStack(cursor.getId(), dropAmount > 1 ? 0 : cursor.getAmount() - 1, cursor.getNbt()));
}
return;
}
}
}
} else if (cursorAction != null && containerAction != null) {
//left/right click
ClickPlan plan = new ClickPlan();
int javaSlot = translator.bedrockSlotToJava(containerAction);
if (cursorAction.getFromItem().equals(containerAction.getToItem())
&& containerAction.getFromItem().equals(cursorAction.getToItem())
&& !InventoryUtils.canStack(cursorAction.getFromItem(), containerAction.getFromItem())) { //simple swap
plan.add(Click.LEFT, javaSlot);
} else if (cursorAction.getFromItem().getCount() > cursorAction.getToItem().getCount()) { //release
if (cursorAction.getToItem().getCount() == 0) {
plan.add(Click.LEFT, javaSlot);
} else {
int difference = cursorAction.getFromItem().getCount() - cursorAction.getToItem().getCount();
for (int i = 0; i < difference; i++) {
plan.add(Click.RIGHT, javaSlot);
}
}
} else { //pickup
if (cursorAction.getFromItem().getCount() == 0) {
if (containerAction.getToItem().getCount() == 0) { //pickup all
plan.add(Click.LEFT, javaSlot);
} else { //pickup some
if (translator.getSlotType(javaSlot) == SlotType.FURNACE_OUTPUT
|| containerAction.getToItem().getCount() == containerAction.getFromItem().getCount() / 2) { //right click
plan.add(Click.RIGHT, javaSlot);
} else {
plan.add(Click.LEFT, javaSlot);
int difference = containerAction.getFromItem().getCount() - cursorAction.getToItem().getCount();
for (int i = 0; i < difference; i++) {
plan.add(Click.RIGHT, javaSlot);
}
}
}
} else { //pickup into non-empty cursor
if (translator.getSlotType(javaSlot) == SlotType.FURNACE_OUTPUT) {
if (containerAction.getToItem().getCount() == 0) {
plan.add(Click.LEFT, javaSlot);
} else {
ClientWindowActionPacket shiftClickPacket = new ClientWindowActionPacket(inventory.getId(),
inventory.getTransactionId().getAndIncrement(),
javaSlot, InventoryUtils.REFRESH_ITEM, WindowAction.SHIFT_CLICK_ITEM,
ShiftClickItemParam.LEFT_CLICK);
session.sendDownstreamPacket(shiftClickPacket);
translator.updateInventory(session, inventory);
return;
}
} else if (translator.getSlotType(javaSlot) == SlotType.OUTPUT) {
plan.add(Click.LEFT, javaSlot);
} else {
int cursorSlot = findTempSlot(inventory, session.getInventory().getCursor(), Collections.singletonList(javaSlot), false);
if (cursorSlot != -1) {
plan.add(Click.LEFT, cursorSlot);
} else {
translator.updateInventory(session, inventory);
InventoryUtils.updateCursor(session);
return;
}
plan.add(Click.LEFT, javaSlot);
int difference = cursorAction.getToItem().getCount() - cursorAction.getFromItem().getCount();
for (int i = 0; i < difference; i++) {
plan.add(Click.RIGHT, cursorSlot);
}
plan.add(Click.LEFT, javaSlot);
plan.add(Click.LEFT, cursorSlot);
}
}
}
plan.execute(session, translator, inventory, refresh);
return;
} else {
ClickPlan plan = new ClickPlan();
InventoryActionData fromAction;
InventoryActionData toAction;
if (actions.get(0).getFromItem().getCount() >= actions.get(0).getToItem().getCount()) {
fromAction = actions.get(0);
toAction = actions.get(1);
} else {
fromAction = actions.get(1);
toAction = actions.get(0);
}
int fromSlot = translator.bedrockSlotToJava(fromAction);
int toSlot = translator.bedrockSlotToJava(toAction);
if (translator.getSlotType(fromSlot) == SlotType.OUTPUT) {
if ((craftSlot != 0 && craftSlot != -2) && (inventory.getItem(toSlot) == null
|| InventoryUtils.canStack(session.getInventory().getCursor(), inventory.getItem(toSlot)))) {
if (fromAction.getToItem().getCount() == 0) {
refresh = true;
plan.add(Click.LEFT, toSlot);
if (craftSlot != -1) {
plan.add(Click.LEFT, craftSlot);
}
} else {
int difference = toAction.getToItem().getCount() - toAction.getFromItem().getCount();
for (int i = 0; i < difference; i++) {
plan.add(Click.RIGHT, toSlot);
}
session.setCraftSlot(craftSlot);
}
plan.execute(session, translator, inventory, refresh);
return;
} else {
session.setCraftSlot(-2);
}
}
int cursorSlot = -1;
if (session.getInventory().getCursor() != null) { //move cursor contents to a temporary slot
cursorSlot = findTempSlot(inventory,
session.getInventory().getCursor(),
Arrays.asList(fromSlot, toSlot),
translator.getSlotType(fromSlot) == SlotType.OUTPUT);
if (cursorSlot != -1) {
plan.add(Click.LEFT, cursorSlot);
} else {
translator.updateInventory(session, inventory);
InventoryUtils.updateCursor(session);
return;
}
}
if ((fromAction.getFromItem().equals(toAction.getToItem()) && !InventoryUtils.canStack(fromAction.getFromItem(), toAction.getFromItem()))
|| fromAction.getToItem().getId() == 0) { //slot swap
plan.add(Click.LEFT, fromSlot);
plan.add(Click.LEFT, toSlot);
if (fromAction.getToItem().getId() != 0) {
plan.add(Click.LEFT, fromSlot);
}
} else if (InventoryUtils.canStack(fromAction.getFromItem(), toAction.getToItem())) { //partial item move
if (translator.getSlotType(fromSlot) == SlotType.FURNACE_OUTPUT) {
ClientWindowActionPacket shiftClickPacket = new ClientWindowActionPacket(inventory.getId(),
inventory.getTransactionId().getAndIncrement(),
fromSlot, InventoryUtils.REFRESH_ITEM, WindowAction.SHIFT_CLICK_ITEM,
ShiftClickItemParam.LEFT_CLICK);
session.sendDownstreamPacket(shiftClickPacket);
translator.updateInventory(session, inventory);
return;
} else if (translator.getSlotType(fromSlot) == SlotType.OUTPUT) {
session.setCraftSlot(cursorSlot);
plan.add(Click.LEFT, fromSlot);
int difference = toAction.getToItem().getCount() - toAction.getFromItem().getCount();
for (int i = 0; i < difference; i++) {
plan.add(Click.RIGHT, toSlot);
}
//client will send additional packets later to finish transferring crafting output
//translator will know how to handle this using the craftSlot variable
} else {
plan.add(Click.LEFT, fromSlot);
int difference = toAction.getToItem().getCount() - toAction.getFromItem().getCount();
for (int i = 0; i < difference; i++) {
plan.add(Click.RIGHT, toSlot);
}
plan.add(Click.LEFT, fromSlot);
}
}
if (cursorSlot != -1) {
plan.add(Click.LEFT, cursorSlot);
}
plan.execute(session, translator, inventory, refresh);
return;
}
translator.updateInventory(session, inventory);
InventoryUtils.updateCursor(session);
}
private static int findTempSlot(Inventory inventory, ItemStack item, List<Integer> slotBlacklist, boolean emptyOnly) {
/*try and find a slot that can temporarily store the given item
only look in the main inventory and hotbar
only slots that are empty or contain a different type of item are valid*/
int offset = inventory.getId() == 0 ? 1 : 0; //offhand is not a viable slot (some servers disable it)
List<ItemStack> itemBlacklist = new ArrayList<>(slotBlacklist.size() + 1);
itemBlacklist.add(item);
for (int slot : slotBlacklist) {
ItemStack blacklistItem = inventory.getItem(slot);
if (blacklistItem != null)
itemBlacklist.add(blacklistItem);
}
for (int i = inventory.getSize() - (36 + offset); i < inventory.getSize() - offset; i++) {
ItemStack testItem = inventory.getItem(i);
boolean acceptable = true;
if (testItem != null) {
if (emptyOnly) {
continue;
}
for (ItemStack blacklistItem : itemBlacklist) {
if (InventoryUtils.canStack(testItem, blacklistItem)) {
acceptable = false;
break;
}
}
}
if (acceptable && !slotBlacklist.contains(i))
return i;
}
//could not find a viable temp slot
return -1;
}
}