diff --git a/nms/all/pom.xml b/nms/all/pom.xml
index ca0237b..d7d5cc6 100644
--- a/nms/all/pom.xml
+++ b/nms/all/pom.xml
@@ -64,6 +64,10 @@
de.epiceric
shopchest-nms-v1_20_R2
+
+ de.epiceric
+ shopchest-nms-v1_20_R3
+
diff --git a/nms/pom.xml b/nms/pom.xml
index 7bd0394..a5762d3 100644
--- a/nms/pom.xml
+++ b/nms/pom.xml
@@ -25,6 +25,7 @@
v1_19_R3
v1_20_R1
v1_20_R2
+ v1_20_R3
all
@@ -104,6 +105,12 @@
1.0.0
provided
+
+ de.epiceric
+ shopchest-nms-v1_20_R3
+ 1.0.0
+ provided
+
diff --git a/nms/v1_20_R3/pom.xml b/nms/v1_20_R3/pom.xml
new file mode 100644
index 0000000..742e8c7
--- /dev/null
+++ b/nms/v1_20_R3/pom.xml
@@ -0,0 +1,41 @@
+
+
+
+ shopchest-nms
+ de.epiceric
+ 1.0.1
+
+ 4.0.0
+
+ shopchest-nms-v1_20_R3
+ 1.0.0
+
+
+ 1.20.3-R0.1-SNAPSHOT
+
+
+
+
+ org.spigotmc
+ spigot
+ remapped-mojang
+
+
+ de.epiceric
+ shopchest-nms-interface
+ provided
+
+
+
+
+
+
+ net.md-5
+ specialsource-maven-plugin
+
+
+
+
+
diff --git a/nms/v1_20_R3/src/main/java/de/epiceric/shopchest/nms/v1_20_R3/FakeArmorStandImpl.java b/nms/v1_20_R3/src/main/java/de/epiceric/shopchest/nms/v1_20_R3/FakeArmorStandImpl.java
new file mode 100644
index 0000000..4307092
--- /dev/null
+++ b/nms/v1_20_R3/src/main/java/de/epiceric/shopchest/nms/v1_20_R3/FakeArmorStandImpl.java
@@ -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 implements FakeArmorStand {
+
+ private final static byte INVISIBLE_FLAG = 0b100000;
+ private final static byte MARKER_FLAG = 0b10000;
+ private final static EntityDataAccessor DATA_SHARED_FLAGS_ID;
+ private final static EntityDataAccessor> DATA_CUSTOM_NAME;
+ private final static EntityDataAccessor 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 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> 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 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);
+ }
+
+}
diff --git a/nms/v1_20_R3/src/main/java/de/epiceric/shopchest/nms/v1_20_R3/FakeEntityImpl.java b/nms/v1_20_R3/src/main/java/de/epiceric/shopchest/nms/v1_20_R3/FakeEntityImpl.java
new file mode 100644
index 0000000..b5e6ca6
--- /dev/null
+++ b/nms/v1_20_R3/src/main/java/de/epiceric/shopchest/nms/v1_20_R3/FakeEntityImpl.java
@@ -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 implements FakeEntity {
+
+ private final static AtomicInteger ENTITY_COUNTER;
+ private final static EntityDataAccessor DATA_NO_GRAVITY;
+ private final static EntityDataAccessor 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 forceCast(Object o) {
+ return (T) o;
+ }
+
+ @Override
+ public int getEntityId() {
+ return entityId;
+ }
+
+ protected void sendPacket(Packet> packet, Iterable receivers) {
+ for (Player receiver : receivers) {
+ ((CraftPlayer) receiver).getHandle().connection.send(packet);
+ }
+ }
+
+ @Override
+ public void spawn(UUID uuid, Location location, Iterable 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 receivers) {
+ final ClientboundRemoveEntitiesPacket removePacket = new ClientboundRemoveEntitiesPacket(entityId);
+ sendPacket(removePacket, receivers);
+ }
+
+ protected void sendData(Iterable receivers, T data) {
+ // Create packet
+ final List> 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> packedItems, T data);
+
+}
diff --git a/nms/v1_20_R3/src/main/java/de/epiceric/shopchest/nms/v1_20_R3/FakeItemImpl.java b/nms/v1_20_R3/src/main/java/de/epiceric/shopchest/nms/v1_20_R3/FakeItemImpl.java
new file mode 100644
index 0000000..eac4205
--- /dev/null
+++ b/nms/v1_20_R3/src/main/java/de/epiceric/shopchest/nms/v1_20_R3/FakeItemImpl.java
@@ -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 implements FakeItem {
+
+ private final static EntityDataAccessor 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 receivers) {
+ sendData(receivers, item);
+ }
+
+ @Override
+ public void resetVelocity(Iterable 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> packedItems, ItemStack data) {
+ packedItems.add(SynchedEntityData.DataValue.create(DATA_ITEM, CraftItemStack.asNMSCopy(data)));
+ }
+}
diff --git a/nms/v1_20_R3/src/main/java/de/epiceric/shopchest/nms/v1_20_R3/PlatformImpl.java b/nms/v1_20_R3/src/main/java/de/epiceric/shopchest/nms/v1_20_R3/PlatformImpl.java
new file mode 100644
index 0000000..f63406b
--- /dev/null
+++ b/nms/v1_20_R3/src/main/java/de/epiceric/shopchest/nms/v1_20_R3/PlatformImpl.java
@@ -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();
+ }
+
+}
diff --git a/nms/v1_20_R3/src/main/java/de/epiceric/shopchest/nms/v1_20_R3/TextComponentHelperImpl.java b/nms/v1_20_R3/src/main/java/de/epiceric/shopchest/nms/v1_20_R3/TextComponentHelperImpl.java
new file mode 100644
index 0000000..2eeab60
--- /dev/null
+++ b/nms/v1_20_R3/src/main/java/de/epiceric/shopchest/nms/v1_20_R3/TextComponentHelperImpl.java
@@ -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();
+ }
+}
diff --git a/plugin/src/main/java/de/epiceric/shopchest/nms/PlatformLoader.java b/plugin/src/main/java/de/epiceric/shopchest/nms/PlatformLoader.java
index 9b3ea57..bad371b 100644
--- a/plugin/src/main/java/de/epiceric/shopchest/nms/PlatformLoader.java
+++ b/plugin/src/main/java/de/epiceric/shopchest/nms/PlatformLoader.java
@@ -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;
}