MapReflectionAPI/src/main/java/tech/sbdevelopment/mapreflectionapi/api/MapWrapper.java
2022-07-01 12:54:19 +02:00

299 lines
12 KiB
Java

/*
* This file is part of MapReflectionAPI.
* Copyright (c) 2022 inventivetalent / SBDevelopment - All Rights Reserved
*
* 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.
*/
package tech.sbdevelopment.mapreflectionapi.api;
import org.bukkit.*;
import org.bukkit.entity.ItemFrame;
import org.bukkit.entity.Player;
import org.bukkit.inventory.ItemStack;
import org.bukkit.inventory.meta.ItemMeta;
import org.bukkit.metadata.FixedMetadataValue;
import tech.sbdevelopment.mapreflectionapi.MapReflectionAPI;
import tech.sbdevelopment.mapreflectionapi.api.exceptions.MapLimitExceededException;
import tech.sbdevelopment.mapreflectionapi.utils.ReflectionUtil;
import tech.sbdevelopment.mapreflectionapi.utils.ReflectionUtils;
import java.util.*;
public class MapWrapper {
protected ArrayImage content;
/**
* Construct a new {@link MapWrapper}
*
* @param image The {@link ArrayImage} to wrap
*/
public MapWrapper(ArrayImage image) {
this.content = image;
}
private static final Class<?> craftStackClass = ReflectionUtils.getCraftClass("CraftItemStack");
private static final Class<?> setSlotPacketClass = ReflectionUtils.getNMSClass("network.protocol.game", "PacketPlayOutSetSlot");
private static final Class<?> tagCompoundClass = ReflectionUtils.getCraftClass("NBTTagCompound");
private static final Class<?> entityClass = ReflectionUtils.getNMSClass("world.entity", "Entity");
private static final Class<?> dataWatcherClass = ReflectionUtils.getNMSClass("network.syncher", "DataWatcher");
private static final Class<?> entityMetadataPacketClass = ReflectionUtils.getNMSClass("network.protocol.game", "PacketPlayOutEntityMetadata");
private static final Class<?> entityItemFrameClass = ReflectionUtils.getNMSClass("world.entity.decoration", "EntityItemFrame");
private static final Class<?> dataWatcherItemClass = ReflectionUtils.getNMSClass("network.syncher", "DataWatcher$Item");
protected MapController controller = new MapController() {
private final Map<UUID, Integer> viewers = new HashMap<>();
@Override
public void addViewer(Player player) throws MapLimitExceededException {
if (!isViewing(player)) {
viewers.put(player.getUniqueId(), MapReflectionAPI.getMapManager().getNextFreeIdFor(player));
}
}
@Override
public void removeViewer(OfflinePlayer player) {
viewers.remove(player.getUniqueId());
}
@Override
public void clearViewers() {
for (UUID uuid : viewers.keySet()) {
viewers.remove(uuid);
}
}
@Override
public boolean isViewing(OfflinePlayer player) {
if (player == null) return false;
return viewers.containsKey(player.getUniqueId());
}
@Override
public int getMapId(OfflinePlayer player) {
if (isViewing(player)) {
return viewers.get(player.getUniqueId());
}
return -1;
}
@Override
public void update(ArrayImage content) {
MapWrapper duplicate = MapReflectionAPI.getMapManager().getDuplicate(content);
if (duplicate != null) {
MapWrapper.this.content = duplicate.getContent();
return;
}
MapWrapper.this.content = content;
for (UUID id : viewers.keySet()) {
sendContent(Bukkit.getPlayer(id));
}
}
@Override
public ArrayImage getContent() {
return MapWrapper.this.getContent();
}
@Override
public void sendContent(Player player) {
sendContent(player, false);
}
@Override
public void sendContent(Player player, boolean withoutQueue) {
if (!isViewing(player)) return;
int id = getMapId(player);
if (withoutQueue) {
MapSender.sendMap(id, MapWrapper.this.content, player);
} else {
MapSender.addToQueue(id, MapWrapper.this.content, player);
}
}
@Override
public void showInInventory(Player player, int slot, boolean force) {
if (!isViewing(player)) return;
if (player.getGameMode() == GameMode.CREATIVE && !force) return;
if (slot < 9) {
slot += 36;
} else if (slot > 35 && slot != 45) {
slot = 8 - (slot - 36);
}
Object playerHandle = ReflectionUtils.getHandle(player);
Object inventoryMenu = ReflectionUtil.getField(playerHandle, ReflectionUtils.supports(19) ? "bT" : ReflectionUtils.supports(17) ? "bU" : "defaultContainer");
int windowId = (int) ReflectionUtil.getField(inventoryMenu, ReflectionUtils.supports(17) ? "j" : "windowId");
ItemStack stack = new ItemStack(ReflectionUtils.supports(13) ? Material.FILLED_MAP : Material.MAP, 1);
Object nmsStack = ReflectionUtil.callMethod(craftStackClass, "asNMSCopy", stack);
Object packet;
if (ReflectionUtils.supports(17)) { //1.17+
int stateId = (int) ReflectionUtil.callMethod(inventoryMenu, ReflectionUtils.supports(18) ? "j" : "getStateId");
packet = ReflectionUtil.callConstructor(setSlotPacketClass,
windowId,
stateId,
slot,
nmsStack
);
} else { //1.16-
packet = ReflectionUtil.callConstructor(setSlotPacketClass,
windowId,
slot,
nmsStack
);
}
ReflectionUtils.sendPacket(player, packet);
}
@Override
public void showInInventory(Player player, int slot) {
showInInventory(player, slot, false);
}
@Override
public void showInHand(Player player, boolean force) {
if (player.getInventory().getItemInMainHand().getType() != (ReflectionUtils.supports(13) ? Material.FILLED_MAP : Material.MAP) && !force)
return;
showInInventory(player, player.getInventory().getHeldItemSlot(), force);
}
@Override
public void showInHand(Player player) {
showInHand(player, false);
}
@Override
public void showInFrame(Player player, ItemFrame frame) {
showInFrame(player, frame, false);
}
@Override
public void showInFrame(Player player, ItemFrame frame, boolean force) {
if (frame.getItem().getType() != (ReflectionUtils.supports(13) ? Material.FILLED_MAP : Material.MAP) && !force)
return;
showInFrame(player, frame.getEntityId());
}
@Override
public void showInFrame(Player player, int entityId) {
showInFrame(player, entityId, null);
}
@Override
public void showInFrame(Player player, int entityId, String debugInfo) {
if (!isViewing(player)) return;
ItemStack stack = new ItemStack(ReflectionUtils.supports(13) ? Material.FILLED_MAP : Material.MAP, 1);
if (debugInfo != null) {
ItemMeta itemMeta = stack.getItemMeta();
itemMeta.setDisplayName(debugInfo);
stack.setItemMeta(itemMeta);
}
Bukkit.getScheduler().runTask(MapReflectionAPI.getInstance(), () -> {
ItemFrame frame = getItemFrameById(player.getWorld(), entityId);
if (frame != null) {
frame.removeMetadata("MAP_WRAPPER_REF", MapReflectionAPI.getInstance());
frame.setMetadata("MAP_WRAPPER_REF", new FixedMetadataValue(MapReflectionAPI.getInstance(), MapWrapper.this));
}
sendItemFramePacket(player, entityId, stack, getMapId(player));
});
}
@Override
public void clearFrame(Player player, int entityId) {
}
@Override
public void clearFrame(Player player, ItemFrame frame) {
}
@Override
public ItemFrame getItemFrameById(World world, int entityId) {
Object worldHandle = ReflectionUtils.getHandle(world);
Object nmsEntity = ReflectionUtil.callMethod(worldHandle, ReflectionUtils.supports(18) ? "a" : "getEntity");
if (nmsEntity == null) return null;
if (!ReflectionUtils.supports(17)) {
nmsEntity = ReflectionUtil.callMethod(nmsEntity, "getBukkitEntity");
}
if (nmsEntity instanceof ItemFrame) return (ItemFrame) nmsEntity;
return null;
}
private void sendItemFramePacket(Player player, int entityId, ItemStack stack, int mapId) {
Object nmsStack = ReflectionUtil.callMethod(craftStackClass, "asNMSCopy", stack);
Object nbtObject = ReflectionUtil.callMethod(nmsStack, ReflectionUtils.supports(19) ? "v" : ReflectionUtils.supports(18) ? "u" : ReflectionUtils.supports(13) ? "getOrCreateTag" : "getTag");
if (!ReflectionUtils.supports(13) && nbtObject == null) { //1.12 has no getOrCreate, call create if null!
Object tagCompound = ReflectionUtil.callConstructor(tagCompoundClass);
ReflectionUtil.callMethod(nbtObject, "setTag", tagCompound);
}
ReflectionUtil.callMethod(nbtObject, ReflectionUtils.supports(18) ? "a" : "setInt", "map", mapId);
Object dataWatcher = ReflectionUtil.callConstructor(dataWatcherClass, entityClass.cast(null));
Object packet = ReflectionUtil.callConstructor(entityMetadataPacketClass,
entityId,
dataWatcher, //dummy watcher!
true
);
List<Object> list = new ArrayList<>();
Object dataWatcherObject = ReflectionUtil.getDeclaredField(entityItemFrameClass, ReflectionUtils.supports(17) ? "ao" : ReflectionUtils.supports(14) ? "ITEM" : ReflectionUtils.supports(13) ? "e" : "c");
Object dataWatcherItem = ReflectionUtil.callConstructor(dataWatcherItemClass, dataWatcherObject, nmsStack);
list.add(dataWatcherItem);
ReflectionUtil.setDeclaredField(packet, "b", list);
ReflectionUtils.sendPacket(player, packet);
}
};
/**
* Get the content that is wrapped
*
* @return The {@link ArrayImage}
*/
public ArrayImage getContent() {
return content;
}
/**
* Get the controller of this wrapper
*
* @return The {@link MapController}
*/
public MapController getController() {
return controller;
}
}