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Add NMSUtils_v1_20_R1 for Minecraft 1.20.1
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@EverNife
EverNife committed Sep 7, 2024
1 parent 5f85e6a commit 8b49bff
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1 change: 1 addition & 0 deletions build.gradle
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Expand Up @@ -101,6 +101,7 @@ dependencies {
compileOnly name: "craftbukkit1710" //Thats on you to find out
compileOnly name: "craftbukkit1122" //Thats on you to find out
compileOnly name: "craftbukkit1165" //Thats on you to find out
compileOnly name: "craftbukkit1201" //Thats on you to find out
compileOnly name: "craftbukkit1202" //Thats on you to find out
compileOnly group: 'commons-io', name: 'commons-io', version: '2.6' //Necessary for ReflectionUtils

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256 changes: 256 additions & 0 deletions src/main/java/br/com/finalcraft/evernifecore/nms/util/v1_20_R1/NMSUtils_v1_20_R1.java
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package br.com.finalcraft.evernifecore.nms.util.v1_20_R1;

import br.com.finalcraft.evernifecore.EverNifeCore;
import br.com.finalcraft.evernifecore.nms.util.INMSUtils;
import br.com.finalcraft.evernifecore.version.ServerType;
import net.minecraft.core.registries.BuiltInRegistries;
import net.minecraft.nbt.MojangsonParser;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.network.protocol.game.PacketPlayInClientCommand;
import net.minecraft.resources.MinecraftKey;
import net.minecraft.server.level.EntityPlayer;
import net.minecraft.world.entity.EnumItemSlot;
import net.minecraft.world.item.*;
import org.apache.commons.lang3.Validate;
import org.bukkit.craftbukkit.v1_20_R1.entity.CraftEntity;
import org.bukkit.craftbukkit.v1_20_R1.entity.CraftPlayer;
import org.bukkit.craftbukkit.v1_20_R1.inventory.CraftItemStack;
import org.bukkit.craftbukkit.v1_20_R1.util.CraftMagicNumbers;
import org.bukkit.entity.Entity;
import org.bukkit.entity.Player;

import java.lang.reflect.Field;

public class NMSUtils_v1_20_R1 implements INMSUtils {

public static NMSUtils_v1_20_R1 instance;

private Class fakePlayerClass = null; // net.minecraftforge.common.util.FakePlayer
private Field handle_field = null; // CraftItemStack.handle
private Field tag_field = null; // ItemStack.tag

public NMSUtils_v1_20_R1() {
instance = this;
try {
if (ServerType.isModdedServer()){
fakePlayerClass = Class.forName("net.minecraftforge.common.util.FakePlayer");
}
}catch (Exception e){
EverNifeCore.info("Failed to find FakePlayer Forge's class... We are probably not on a forge server :D");
}

try {
if (handle_field == null){
handle_field = CraftItemStack.class.getDeclaredField("handle");
handle_field.setAccessible(true);
}
}catch (Exception e){
throw new RuntimeException("Failed to check HandleField from CraftItemStack");
}

try {
if (tag_field == null){
tag_field = ItemStack.class.getDeclaredField("v");
tag_field.setAccessible(true);
}
}catch (Exception e){
throw new RuntimeException("Failed to check NBTTagCompoundField from MCItemStack");
}
}

@Override
public String getLocalizedName(org.bukkit.inventory.ItemStack itemStack) {
ItemStack nmsItem = CraftItemStack.asNMSCopy(itemStack);
String localizedName = nmsItem.d().h(nmsItem).map(tooltipComponent -> tooltipComponent.toString()).orElse("null");
EnumItemRarity itemRarity = nmsItem.C();
String prefixColor = itemRarity == EnumItemRarity.a ? "" : itemRarity.e.toString();
return prefixColor + localizedName;
}

@Override
public org.bukkit.inventory.ItemStack asBukkitItemStack(Object mcItemStack){
return CraftItemStack.asBukkitCopy((ItemStack) mcItemStack);
}

@Override
public Object asMinecraftItemStack(org.bukkit.inventory.ItemStack itemStack) {
return CraftItemStack.asNMSCopy(itemStack);
}

@Override
public String serializeItemStack(org.bukkit.inventory.ItemStack itemStack) {
ItemStack nmsItem = CraftItemStack.asNMSCopy(itemStack);
NBTTagCompound nbtTagCompound = new NBTTagCompound();
nmsItem.b(nbtTagCompound);
return nbtTagCompound.toString();
}

@Override
public void autoRespawnOnDeath(Player player){
CraftPlayer craftPlayer = (CraftPlayer) player;
PacketPlayInClientCommand playInClientCommand = new PacketPlayInClientCommand(PacketPlayInClientCommand.EnumClientCommand.a);
craftPlayer.getHandle().c.a(playInClientCommand);
}

@Override
public boolean isTool(org.bukkit.inventory.ItemStack itemStack) {
ItemStack mcItemStack = getHandle(itemStack);
return mcItemStack.d() instanceof ItemTool;
}

@Override
public boolean isSword(org.bukkit.inventory.ItemStack itemStack) {
ItemStack mcItemStack = getHandle(itemStack);
return mcItemStack.d() instanceof ItemSword;
}

@Override
public boolean isArmor(org.bukkit.inventory.ItemStack itemStack) {
ItemStack mcItemStack = getHandle(itemStack);
return mcItemStack.d() instanceof ItemArmor;
}

@Override
public boolean isHelmet(org.bukkit.inventory.ItemStack itemStack) {
ItemStack mcItemStack = getHandle(itemStack);
if (mcItemStack.d() instanceof ItemArmor){
ItemArmor armor = (ItemArmor) mcItemStack.d();
return armor.g() == EnumItemSlot.f;
}
return false;
}

@Override
public boolean isChestplate(org.bukkit.inventory.ItemStack itemStack) {
ItemStack mcItemStack = getHandle(itemStack);
if (mcItemStack.d() instanceof ItemArmor){
ItemArmor armor = (ItemArmor) mcItemStack.d();
return armor.g() == EnumItemSlot.e;
}
return false;
}

@Override
public boolean isLeggings(org.bukkit.inventory.ItemStack itemStack) {
ItemStack mcItemStack = getHandle(itemStack);
if (mcItemStack.d() instanceof ItemArmor){
ItemArmor armor = (ItemArmor) mcItemStack.d();
return armor.g() == EnumItemSlot.d;
}
return false;
}

@Override
public boolean isBoots(org.bukkit.inventory.ItemStack itemStack) {
ItemStack mcItemStack = getHandle(itemStack);
if (mcItemStack.d() instanceof ItemArmor){
ItemArmor armor = (ItemArmor) mcItemStack.d();
return armor.g() == EnumItemSlot.c;
}
return false;
}

@Override
public boolean isFakePlayer(Player player) {
if (fakePlayerClass != null){
CraftPlayer craftPlayer = (CraftPlayer) player;
EntityPlayer entityPlayer = craftPlayer.getHandle();
return fakePlayerClass.isInstance(entityPlayer);
}
return false;
}

@Override
public Entity asBukkitEntity(Object minecraftEntity) {
return ((net.minecraft.server.v1_16_R3.Entity) minecraftEntity).getBukkitEntity();
}

@Override
public Object asMinecraftEntity(Entity entity) {
return ((CraftEntity) entity).getHandle();
}

@Override
public String getItemRegistryName(org.bukkit.inventory.ItemStack itemStack) {
ItemStack mcItemStack = getHandle(itemStack);
Item item = mcItemStack.d();
MinecraftKey minecraftKey = BuiltInRegistries.i.b(item);
return minecraftKey.toString();
}

@Override
public org.bukkit.inventory.ItemStack validateItemStackHandle(org.bukkit.inventory.ItemStack itemStack) {
if ( !(itemStack instanceof CraftItemStack) ){ //A fix for Dummy ItemStacks
itemStack = CraftItemStack.asCraftMirror(CraftItemStack.asNMSCopy(itemStack));
}
if (getHandle(itemStack) == null){
Item item = CraftMagicNumbers.getItem(itemStack.getType(), itemStack.getDurability());
ItemStack handle = new ItemStack(item);
setHandle(itemStack, handle);
}
return itemStack;
}

@Override
public org.bukkit.inventory.ItemStack getItemFromMinecraftIdentifier(String minecraftIdentifier) {
try {
String[] args = minecraftIdentifier.split(" ");
int count = args.length >= 2 ? Integer.parseInt(args[1]) : 1;
int meta = args.length >= 3 ? Integer.parseInt(args[2]) : 0;
Item item = BuiltInRegistries.i.a(new MinecraftKey(args[0]));
if (item instanceof ItemAir){
throw new RuntimeException("No Registry found for: \"" + args[0] + "\" in [" + minecraftIdentifier + "]");
}
ItemStack itemStack = new ItemStack(item, count);
if (args.length >= 4) {
StringBuilder stringBuilder = new StringBuilder();
for (int i = 3; i < args.length; i++) {
if (i > 3) {
stringBuilder.append(" ");
}
stringBuilder.append(args[i]);
}
NBTTagCompound nbtTagCompound = MojangsonParser.a(stringBuilder.toString());
itemStack.b(nbtTagCompound);
}
if (meta != 0){
itemStack.b(meta);
}
return CraftItemStack.asBukkitCopy(itemStack);
}catch (Exception e){
throw new RuntimeException(e);
}
}

private ItemStack getHandle(org.bukkit.inventory.ItemStack itemStack){
Validate.notNull(itemStack,"itemStack can not be null!");
try {
CraftItemStack craftItemStack = (CraftItemStack) itemStack;
ItemStack mcStack = (ItemStack) handle_field.get(craftItemStack);
return mcStack;
}catch (Exception e){
Class c = itemStack.getClass();
EverNifeCore.warning("Failed to get ItemStack Handle for:" +
"\n" +
"\nPackage: " + c.getPackage()+"" +
"\nClass: " + c.getSimpleName()+"" +
"\nFull Identifier: " + c.getName());
e.printStackTrace();
throw new RuntimeException(e);
}
}

private void setHandle(org.bukkit.inventory.ItemStack mcStack, ItemStack handle){
Validate.notNull(mcStack,"mcStack can not be null!");
Validate.notNull(handle,"handle can not be null!");
try {
CraftItemStack craftItemStack = (CraftItemStack) mcStack;
handle_field.set(craftItemStack, handle);
}catch (Exception e){
Class c = mcStack.getClass();
EverNifeCore.warning("ItemStack Class:\n\n Package: "+c.getPackage()+"\nClass: "+c.getSimpleName()+"\nFull Identifier: "+c.getName());
e.printStackTrace();
throw new RuntimeException(e);
}
}
}

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