This commit is contained in:
xsmeths 2023-12-07 19:59:08 +00:00
parent 3c9ac05f72
commit 5f7aa188c1
9 changed files with 368 additions and 0 deletions

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@ -64,6 +64,10 @@
<groupId>de.epiceric</groupId>
<artifactId>shopchest-nms-v1_20_R2</artifactId>
</dependency>
<dependency>
<groupId>de.epiceric</groupId>
<artifactId>shopchest-nms-v1_20_R3</artifactId>
</dependency>
</dependencies>
<build>

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@ -25,6 +25,7 @@
<module>v1_19_R3</module>
<module>v1_20_R1</module>
<module>v1_20_R2</module>
<module>v1_20_R3</module>
<module>all</module>
</modules>
@ -104,6 +105,12 @@
<version>1.0.0</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>de.epiceric</groupId>
<artifactId>shopchest-nms-v1_20_R3</artifactId>
<version>1.0.0</version>
<scope>provided</scope>
</dependency>
</dependencies>
</dependencyManagement>

41
nms/v1_20_R3/pom.xml Normal file
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@ -0,0 +1,41 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<parent>
<artifactId>shopchest-nms</artifactId>
<groupId>de.epiceric</groupId>
<version>1.0.1</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<artifactId>shopchest-nms-v1_20_R3</artifactId>
<version>1.0.0</version>
<properties>
<spigot.version>1.20.3-R0.1-SNAPSHOT</spigot.version>
</properties>
<dependencies>
<dependency>
<groupId>org.spigotmc</groupId>
<artifactId>spigot</artifactId>
<classifier>remapped-mojang</classifier>
</dependency>
<dependency>
<groupId>de.epiceric</groupId>
<artifactId>shopchest-nms-interface</artifactId>
<scope>provided</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>net.md-5</groupId>
<artifactId>specialsource-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>

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@ -0,0 +1,99 @@
package de.epiceric.shopchest.nms.v1_20_R3;
import de.epiceric.shopchest.nms.FakeArmorStand;
import io.netty.buffer.Unpooled;
import net.md_5.bungee.api.chat.TextComponent;
import net.md_5.bungee.chat.ComponentSerializer;
import net.minecraft.network.FriendlyByteBuf;
import net.minecraft.network.chat.Component;
import net.minecraft.network.protocol.game.ClientboundTeleportEntityPacket;
import net.minecraft.network.syncher.EntityDataAccessor;
import net.minecraft.network.syncher.SynchedEntityData;
import net.minecraft.world.entity.Entity;
import net.minecraft.world.entity.EntityType;
import net.minecraft.world.entity.decoration.ArmorStand;
import org.bukkit.Location;
import org.bukkit.entity.Player;
import java.lang.reflect.Field;
import java.util.List;
import java.util.Optional;
public class FakeArmorStandImpl extends FakeEntityImpl<String> implements FakeArmorStand {
private final static byte INVISIBLE_FLAG = 0b100000;
private final static byte MARKER_FLAG = 0b10000;
private final static EntityDataAccessor<Byte> DATA_SHARED_FLAGS_ID;
private final static EntityDataAccessor<Optional<Component>> DATA_CUSTOM_NAME;
private final static EntityDataAccessor<Boolean> DATA_CUSTOM_NAME_VISIBLE;
private final static float MARKER_ARMOR_STAND_OFFSET = 1.975f;
static {
try {
final Field dataSharedFlagsId = Entity.class.getDeclaredField("ao"); // DATA_SHARED_FLAGS_ID
dataSharedFlagsId.setAccessible(true);
DATA_SHARED_FLAGS_ID = forceCast(dataSharedFlagsId.get(null));
final Field dataCustomNameField = Entity.class.getDeclaredField("aU"); // DATA_CUSTOM_NAME
dataCustomNameField.setAccessible(true);
DATA_CUSTOM_NAME = forceCast(dataCustomNameField.get(null));
final Field dataCustomNameVisibleField = Entity.class.getDeclaredField("aV"); // DATA_CUSTOM_NAME_VISIBLE
dataCustomNameVisibleField.setAccessible(true);
DATA_CUSTOM_NAME_VISIBLE = forceCast(dataCustomNameVisibleField.get(null));
} catch (ReflectiveOperationException e) {
throw new RuntimeException(e);
}
}
public FakeArmorStandImpl() {
super();
}
@Override
public void sendData(String name, Iterable<Player> receivers) {
sendData(receivers, name);
}
@Override
protected EntityType<?> getEntityType() {
return EntityType.ARMOR_STAND;
}
@Override
protected float getSpawnOffSet() {
return MARKER_ARMOR_STAND_OFFSET;
}
@Override
protected int getDataItemCount() {
return 4;
}
@Override
protected void addSpecificData(List<SynchedEntityData.DataValue<?>> packedItems, String name) {
packedItems.add(SynchedEntityData.DataValue.create(DATA_SHARED_FLAGS_ID, INVISIBLE_FLAG));
packedItems.add(SynchedEntityData.DataValue.create(DATA_CUSTOM_NAME, Optional.ofNullable(
Component.Serializer.fromJson(
ComponentSerializer.toString(
TextComponent.fromLegacyText(name)
)
)
)));
packedItems.add(SynchedEntityData.DataValue.create(DATA_CUSTOM_NAME_VISIBLE, true));
packedItems.add(SynchedEntityData.DataValue.create(ArmorStand.DATA_CLIENT_FLAGS, MARKER_FLAG));
}
@Override
public void setLocation(Location location, Iterable<Player> receivers) {
final FriendlyByteBuf buffer = new FriendlyByteBuf(Unpooled.buffer());
buffer.writeVarInt(entityId);
buffer.writeDouble(location.getX());
buffer.writeDouble(location.getY() + MARKER_ARMOR_STAND_OFFSET);
buffer.writeDouble(location.getZ());
buffer.writeByte(0);
buffer.writeByte(0);
buffer.writeBoolean(false);
final ClientboundTeleportEntityPacket positionPacket = new ClientboundTeleportEntityPacket(buffer);
sendPacket(positionPacket, receivers);
}
}

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@ -0,0 +1,115 @@
package de.epiceric.shopchest.nms.v1_20_R3;
import de.epiceric.shopchest.nms.FakeEntity;
import net.minecraft.network.protocol.Packet;
import net.minecraft.network.protocol.game.ClientboundAddEntityPacket;
import net.minecraft.network.protocol.game.ClientboundRemoveEntitiesPacket;
import net.minecraft.network.protocol.game.ClientboundSetEntityDataPacket;
import net.minecraft.network.syncher.EntityDataAccessor;
import net.minecraft.network.syncher.SynchedEntityData;
import net.minecraft.world.entity.Entity;
import net.minecraft.world.entity.EntityType;
import net.minecraft.world.phys.Vec3;
import org.bukkit.Location;
import org.bukkit.craftbukkit.v1_20_R3.entity.CraftPlayer;
import org.bukkit.entity.Player;
import java.lang.reflect.Field;
import java.util.LinkedList;
import java.util.List;
import java.util.UUID;
import java.util.concurrent.atomic.AtomicInteger;
public abstract class FakeEntityImpl<T> implements FakeEntity {
private final static AtomicInteger ENTITY_COUNTER;
private final static EntityDataAccessor<Boolean> DATA_NO_GRAVITY;
private final static EntityDataAccessor<Boolean> DATA_SILENT;
static {
try {
final Field entityCounterField = Entity.class.getDeclaredField("d"); // ENTITY_COUNTER
entityCounterField.setAccessible(true);
ENTITY_COUNTER = (AtomicInteger) entityCounterField.get(null);
final Field dataNoGravityField = Entity.class.getDeclaredField("aX"); // DATA_NO_GRAVITY
dataNoGravityField.setAccessible(true);
DATA_NO_GRAVITY = forceCast(dataNoGravityField.get(null));
final Field dataSilentField = Entity.class.getDeclaredField("aW"); // DATA_SILENT
dataSilentField.setAccessible(true);
DATA_SILENT = forceCast(dataSilentField.get(null));
} catch (ReflectiveOperationException e) {
throw new RuntimeException(e);
}
}
protected final int entityId;
public FakeEntityImpl() {
entityId = ENTITY_COUNTER.incrementAndGet();
}
@SuppressWarnings("unchecked")
protected static <T> T forceCast(Object o) {
return (T) o;
}
@Override
public int getEntityId() {
return entityId;
}
protected void sendPacket(Packet<?> packet, Iterable<Player> receivers) {
for (Player receiver : receivers) {
((CraftPlayer) receiver).getHandle().connection.send(packet);
}
}
@Override
public void spawn(UUID uuid, Location location, Iterable<Player> receivers) {
final ClientboundAddEntityPacket spawnPacket = new ClientboundAddEntityPacket(
entityId,
uuid,
location.getX(),
location.getY() + getSpawnOffSet(),
location.getZ(),
0f,
0f,
getEntityType(),
0,
Vec3.ZERO,
0d
);
sendPacket(spawnPacket, receivers);
}
@Override
public void remove(Iterable<Player> receivers) {
final ClientboundRemoveEntitiesPacket removePacket = new ClientboundRemoveEntitiesPacket(entityId);
sendPacket(removePacket, receivers);
}
protected void sendData(Iterable<Player> receivers, T data) {
// Create packet
final List<SynchedEntityData.DataValue<?>> packedItems = new LinkedList<>();
final ClientboundSetEntityDataPacket dataPacket = new ClientboundSetEntityDataPacket(entityId, packedItems);
// Setup data
packedItems.add(SynchedEntityData.DataValue.create(DATA_NO_GRAVITY, true));
packedItems.add(SynchedEntityData.DataValue.create(DATA_SILENT, true));
addSpecificData(packedItems, data);
// Send packet
sendPacket(dataPacket, receivers);
}
protected abstract EntityType<?> getEntityType();
protected float getSpawnOffSet() {
return 0f;
}
protected abstract int getDataItemCount();
protected abstract void addSpecificData(List<SynchedEntityData.DataValue<?>> packedItems, T data);
}

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@ -0,0 +1,60 @@
package de.epiceric.shopchest.nms.v1_20_R3;
import de.epiceric.shopchest.nms.FakeItem;
import net.minecraft.network.protocol.game.ClientboundSetEntityMotionPacket;
import net.minecraft.network.syncher.EntityDataAccessor;
import net.minecraft.network.syncher.SynchedEntityData;
import net.minecraft.world.entity.EntityType;
import net.minecraft.world.entity.item.ItemEntity;
import net.minecraft.world.phys.Vec3;
import org.bukkit.craftbukkit.v1_20_R3.inventory.CraftItemStack;
import org.bukkit.entity.Player;
import org.bukkit.inventory.ItemStack;
import java.lang.reflect.Field;
import java.util.List;
public class FakeItemImpl extends FakeEntityImpl<ItemStack> implements FakeItem {
private final static EntityDataAccessor<net.minecraft.world.item.ItemStack> DATA_ITEM;
static {
try {
final Field dataItemField = ItemEntity.class.getDeclaredField("c"); // DATA_ITEM
dataItemField.setAccessible(true);
DATA_ITEM = forceCast(dataItemField.get(null));
} catch (ReflectiveOperationException e) {
throw new RuntimeException(e);
}
}
public FakeItemImpl() {
super();
}
@Override
public void sendData(ItemStack item, Iterable<Player> receivers) {
sendData(receivers, item);
}
@Override
public void resetVelocity(Iterable<Player> receivers) {
final ClientboundSetEntityMotionPacket velocityPacket = new ClientboundSetEntityMotionPacket(entityId, Vec3.ZERO);
sendPacket(velocityPacket, receivers);
}
@Override
protected EntityType<?> getEntityType() {
return EntityType.ITEM;
}
@Override
protected int getDataItemCount() {
return 1;
}
@Override
protected void addSpecificData(List<SynchedEntityData.DataValue<?>> packedItems, ItemStack data) {
packedItems.add(SynchedEntityData.DataValue.create(DATA_ITEM, CraftItemStack.asNMSCopy(data)));
}
}

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@ -0,0 +1,25 @@
package de.epiceric.shopchest.nms.v1_20_R3;
import de.epiceric.shopchest.nms.FakeArmorStand;
import de.epiceric.shopchest.nms.FakeItem;
import de.epiceric.shopchest.nms.Platform;
import de.epiceric.shopchest.nms.TextComponentHelper;
public class PlatformImpl implements Platform {
@Override
public FakeArmorStand createFakeArmorStand() {
return new FakeArmorStandImpl();
}
@Override
public FakeItem createFakeItem() {
return new FakeItemImpl();
}
@Override
public TextComponentHelper getTextComponentHelper() {
return new TextComponentHelperImpl();
}
}

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@ -0,0 +1,15 @@
package de.epiceric.shopchest.nms.v1_20_R3;
import de.epiceric.shopchest.nms.TextComponentHelper;
import net.minecraft.nbt.CompoundTag;
import net.minecraft.nbt.Tag;
import org.bukkit.craftbukkit.v1_20_R3.inventory.CraftItemStack;
import org.bukkit.inventory.ItemStack;
public class TextComponentHelperImpl implements TextComponentHelper {
@Override
public String getNbt(ItemStack itemStack) {
final Tag tag = CraftItemStack.asNMSCopy(itemStack).save(new CompoundTag()).get("tag");
return tag == null ? null : tag.getAsString();
}
}

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@ -95,6 +95,8 @@ public class PlatformLoader {
return new de.epiceric.shopchest.nms.v1_20_R1.PlatformImpl();
case "3478a65bfd04b15b431fe107b3617dfc": //1.20.2
return new de.epiceric.shopchest.nms.v1_20_R2.PlatformImpl();
case "60a2bb6bf2684dc61c56b90d7c41bddc": //1.20.3
return new de.epiceric.shopchest.nms.v1_20_R3.PlatformImpl();
default:
return null;
}