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Item frame optimization and block picking support (#2203) 

Geyser now supports block picking for item frames. It checks to see if the item frame has an item in it - if so, it attempts the same block picking process with the item inside (NBT included). Otherwise, it attempts to pick for an item frame item.

This commit also improves item frames by having the internal map store the entity and not the ID - in many situations, this prevents two maps from having to be searched. Additionally, item frames are no longer despawned if an item is placed on them - rather, it waits until the server tells us to despawn the entity.
This commit is contained in:
Camotoy 2021-05-09 15:44:41 -04:00 committed by GitHub
parent 51aa96de2e
commit 0691bb67b4
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GPG Key ID: 4AEE18F83AFDEB23
9 changed files with 137 additions and 65 deletions
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31
connector/src/main/java/org/geysermc/connector/entity/ItemFrameEntity.java
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@ -35,6 +35,7 @@ import com.nukkitx.nbt.NbtMapBuilder;
import com.nukkitx.protocol.bedrock.data.inventory.ItemData;
import com.nukkitx.protocol.bedrock.packet.BlockEntityDataPacket;
import com.nukkitx.protocol.bedrock.packet.UpdateBlockPacket;
import lombok.Getter;
import org.geysermc.connector.entity.type.EntityType;
import org.geysermc.connector.network.session.GeyserSession;
import org.geysermc.connector.network.translators.item.ItemEntry;
@ -69,6 +70,11 @@ public class ItemFrameEntity extends Entity {
* Cached item frame's Bedrock compound tag.
*/
private NbtMap cachedTag;
/**
* The item currently in the item frame. Used for block picking.
*/
@Getter
private ItemStack heldItem = null;
public ItemFrameEntity(long entityId, long geyserId, EntityType entityType, Vector3f position, Vector3f motion, Vector3f rotation, HangingDirection direction) {
super(entityId, geyserId, entityType, position, motion, rotation);
@ -87,7 +93,8 @@ public class ItemFrameEntity extends Entity {
bedrockRuntimeId = session.getBlockTranslator().getItemFrame(blockBuilder.build());
bedrockPosition = Vector3i.from(position.getFloorX(), position.getFloorY(), position.getFloorZ());
session.getItemFrameCache().put(bedrockPosition, entityId);
session.getItemFrameCache().put(bedrockPosition, this);
// Delay is required, or else loading in frames on chunk load is sketchy at best
session.getConnector().getGeneralThreadPool().schedule(() -> {
updateBlock(session);
@ -99,13 +106,14 @@ public class ItemFrameEntity extends Entity {
@Override
public void updateBedrockMetadata(EntityMetadata entityMetadata, GeyserSession session) {
if (entityMetadata.getId() == 7 && entityMetadata.getValue() != null) {
ItemData itemData = ItemTranslator.translateToBedrock(session, (ItemStack) entityMetadata.getValue());
this.heldItem = (ItemStack) entityMetadata.getValue();
ItemData itemData = ItemTranslator.translateToBedrock(session, heldItem);
ItemEntry itemEntry = ItemRegistry.getItem((ItemStack) entityMetadata.getValue());
NbtMapBuilder builder = NbtMap.builder();
builder.putByte("Count", (byte) itemData.getCount());
if (itemData.getTag() != null) {
builder.put("tag", itemData.getTag().toBuilder().build());
builder.put("tag", itemData.getTag());
}
builder.putShort("Damage", (short) itemData.getDamage());
builder.putString("Name", itemEntry.getBedrockIdentifier());
@ -146,7 +154,9 @@ public class ItemFrameEntity extends Entity {
updateBlockPacket.getFlags().add(UpdateBlockPacket.Flag.NETWORK);
updateBlockPacket.getFlags().add(UpdateBlockPacket.Flag.NEIGHBORS);
session.sendUpstreamPacket(updateBlockPacket);
session.getItemFrameCache().remove(position, entityId);
session.getItemFrameCache().remove(bedrockPosition, this);
valid = false;
return true;
}
@ -192,16 +202,7 @@ public class ItemFrameEntity extends Entity {
* @param session GeyserSession.
* @return Java entity ID or -1 if not found.
*/
public static long getItemFrameEntityId(GeyserSession session, Vector3i position) {
return session.getItemFrameCache().getOrDefault(position, -1);
}
/**
* Force-remove from the position-to-ID map so it doesn't cause conflicts.
* @param session GeyserSession.
* @param position position of the removed item frame.
*/
public static void removePosition(GeyserSession session, Vector3i position) {
session.getItemFrameCache().remove(position);
public static ItemFrameEntity getItemFrameEntity(GeyserSession session, Vector3i position) {
return session.getItemFrameCache().get(position);
}
}

10
connector/src/main/java/org/geysermc/connector/network/session/GeyserSession.java
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@ -66,10 +66,7 @@ import it.unimi.dsi.fastutil.ints.IntList;
import it.unimi.dsi.fastutil.longs.Long2ObjectMap;
import it.unimi.dsi.fastutil.longs.Long2ObjectMaps;
import it.unimi.dsi.fastutil.longs.Long2ObjectOpenHashMap;
import it.unimi.dsi.fastutil.objects.Object2LongMap;
import it.unimi.dsi.fastutil.objects.Object2LongOpenHashMap;
import it.unimi.dsi.fastutil.objects.ObjectIterator;
import it.unimi.dsi.fastutil.objects.ObjectOpenHashSet;
import it.unimi.dsi.fastutil.objects.*;
import lombok.AccessLevel;
import lombok.Getter;
import lombok.NonNull;
@ -81,6 +78,7 @@ import org.geysermc.connector.command.CommandSender;
import org.geysermc.connector.common.AuthType;
import org.geysermc.connector.configuration.EmoteOffhandWorkaroundOption;
import org.geysermc.connector.entity.Entity;
import org.geysermc.connector.entity.ItemFrameEntity;
import org.geysermc.connector.entity.Tickable;
import org.geysermc.connector.entity.attribute.Attribute;
import org.geysermc.connector.entity.attribute.AttributeType;
@ -189,10 +187,10 @@ public class GeyserSession implements CommandSender {
private final Long2ObjectMap<ClientboundMapItemDataPacket> storedMaps = Long2ObjectMaps.synchronize(new Long2ObjectOpenHashMap<>());
/**
* A map of Vector3i positions to Java entity IDs.
* A map of Vector3i positions to Java entities.
* Used for translating Bedrock block actions to Java entity actions.
*/
private final Object2LongMap<Vector3i> itemFrameCache = new Object2LongOpenHashMap<>();
private final Map<Vector3i, ItemFrameEntity> itemFrameCache = new Object2ObjectOpenHashMap<>();
/**
* Stores a list of all lectern locations and their block entity tags.

13
connector/src/main/java/org/geysermc/connector/network/translators/bedrock/BedrockBlockPickRequestTranslator.java
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@ -27,6 +27,7 @@ package org.geysermc.connector.network.translators.bedrock;
import com.nukkitx.math.vector.Vector3i;
import com.nukkitx.protocol.bedrock.packet.BlockPickRequestPacket;
import org.geysermc.connector.entity.ItemFrameEntity;
import org.geysermc.connector.network.session.GeyserSession;
import org.geysermc.connector.network.translators.PacketTranslator;
import org.geysermc.connector.network.translators.Translator;
@ -43,6 +44,18 @@ public class BedrockBlockPickRequestTranslator extends PacketTranslator<BlockPic
// Block is air - chunk caching is probably off
if (blockToPick == BlockTranslator.JAVA_AIR_ID) {
// Check for an item frame since the client thinks that's a block when it's an entity in Java
ItemFrameEntity entity = ItemFrameEntity.getItemFrameEntity(session, packet.getBlockPosition());
if (entity != null) {
// Check to see if the item frame has an item in it first
if (entity.getHeldItem() != null && entity.getHeldItem().getId() != 0) {
// Grab the item in the frame
InventoryUtils.findOrCreateItem(session, entity.getHeldItem());
} else {
// Grab the frame as the item
InventoryUtils.findOrCreateItem(session, "minecraft:item_frame");
}
}
return;
}

2
connector/src/main/java/org/geysermc/connector/network/translators/bedrock/BedrockEntityPickRequestTranslator.java
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@ -94,7 +94,7 @@ public class BedrockEntityPickRequestTranslator extends PacketTranslator<EntityP
break;
case ARMOR_STAND:
case END_CRYSTAL:
case ITEM_FRAME:
//case ITEM_FRAME: Not an entity in Bedrock Edition
case MINECART:
case PAINTING:
// No spawn egg, just an item

30
connector/src/main/java/org/geysermc/connector/network/translators/bedrock/BedrockInventoryTransactionTranslator.java
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@ -126,16 +126,19 @@ public class BedrockInventoryTransactionTranslator extends PacketTranslator<Inve
}
// Bedrock sends block interact code for a Java entity so we send entity code back to Java
if (session.getBlockTranslator().isItemFrame(packet.getBlockRuntimeId()) &&
session.getEntityCache().getEntityByJavaId(ItemFrameEntity.getItemFrameEntityId(session, packet.getBlockPosition())) != null) {
Vector3f vector = packet.getClickPosition();
ClientPlayerInteractEntityPacket interactPacket = new ClientPlayerInteractEntityPacket((int) ItemFrameEntity.getItemFrameEntityId(session, packet.getBlockPosition()),
InteractAction.INTERACT, Hand.MAIN_HAND, session.isSneaking());
ClientPlayerInteractEntityPacket interactAtPacket = new ClientPlayerInteractEntityPacket((int) ItemFrameEntity.getItemFrameEntityId(session, packet.getBlockPosition()),
InteractAction.INTERACT_AT, vector.getX(), vector.getY(), vector.getZ(), Hand.MAIN_HAND, session.isSneaking());
session.sendDownstreamPacket(interactPacket);
session.sendDownstreamPacket(interactAtPacket);
break;
if (session.getBlockTranslator().isItemFrame(packet.getBlockRuntimeId())) {
Entity itemFrameEntity = ItemFrameEntity.getItemFrameEntity(session, packet.getBlockPosition());
if (itemFrameEntity != null) {
int entityId = (int) itemFrameEntity.getEntityId();
Vector3f vector = packet.getClickPosition();
ClientPlayerInteractEntityPacket interactPacket = new ClientPlayerInteractEntityPacket(entityId,
InteractAction.INTERACT, Hand.MAIN_HAND, session.isSneaking());
ClientPlayerInteractEntityPacket interactAtPacket = new ClientPlayerInteractEntityPacket(entityId,
InteractAction.INTERACT_AT, vector.getX(), vector.getY(), vector.getZ(), Hand.MAIN_HAND, session.isSneaking());
session.sendDownstreamPacket(interactPacket);
session.sendDownstreamPacket(interactAtPacket);
break;
}
}
Vector3i blockPos = BlockUtils.getBlockPosition(packet.getBlockPosition(), packet.getBlockFace());
@ -288,9 +291,10 @@ public class BedrockInventoryTransactionTranslator extends PacketTranslator<Inve
session.sendUpstreamPacket(blockBreakPacket);
session.setBreakingBlock(BlockTranslator.JAVA_AIR_ID);
long frameEntityId = ItemFrameEntity.getItemFrameEntityId(session, packet.getBlockPosition());
if (frameEntityId != -1 && session.getEntityCache().getEntityByJavaId(frameEntityId) != null) {
ClientPlayerInteractEntityPacket attackPacket = new ClientPlayerInteractEntityPacket((int) frameEntityId, InteractAction.ATTACK, session.isSneaking());
Entity itemFrameEntity = ItemFrameEntity.getItemFrameEntity(session, packet.getBlockPosition());
if (itemFrameEntity != null) {
ClientPlayerInteractEntityPacket attackPacket = new ClientPlayerInteractEntityPacket((int) itemFrameEntity.getEntityId(),
InteractAction.ATTACK, session.isSneaking());
session.sendDownstreamPacket(attackPacket);
break;
}

11
connector/src/main/java/org/geysermc/connector/network/translators/bedrock/BedrockItemFrameDropItemTranslator.java
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@ -29,6 +29,7 @@ import com.github.steveice10.mc.protocol.data.game.entity.player.Hand;
import com.github.steveice10.mc.protocol.data.game.entity.player.InteractAction;
import com.github.steveice10.mc.protocol.packet.ingame.client.player.ClientPlayerInteractEntityPacket;
import com.nukkitx.protocol.bedrock.packet.ItemFrameDropItemPacket;
import org.geysermc.connector.entity.Entity;
import org.geysermc.connector.entity.ItemFrameEntity;
import org.geysermc.connector.network.session.GeyserSession;
import org.geysermc.connector.network.translators.PacketTranslator;
@ -44,9 +45,11 @@ public class BedrockItemFrameDropItemTranslator extends PacketTranslator<ItemFra
@Override
public void translate(ItemFrameDropItemPacket packet, GeyserSession session) {
ClientPlayerInteractEntityPacket interactPacket = new ClientPlayerInteractEntityPacket((int) ItemFrameEntity.getItemFrameEntityId(session, packet.getBlockPosition()),
InteractAction.ATTACK, Hand.MAIN_HAND, session.isSneaking());
session.sendDownstreamPacket(interactPacket);
Entity entity = ItemFrameEntity.getItemFrameEntity(session, packet.getBlockPosition());
if (entity != null) {
ClientPlayerInteractEntityPacket interactPacket = new ClientPlayerInteractEntityPacket((int) entity.getEntityId(),
InteractAction.ATTACK, Hand.MAIN_HAND, session.isSneaking());
session.sendDownstreamPacket(interactPacket);
}
}
}

6
connector/src/main/java/org/geysermc/connector/network/translators/bedrock/entity/player/BedrockActionTranslator.java
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@ -216,9 +216,9 @@ public class BedrockActionTranslator extends PacketTranslator<PlayerActionPacket
if (session.getGameMode() != GameMode.CREATIVE) {
// As of 1.16.210: item frame items are taken out here.
// Survival also sends START_BREAK, but by attaching our process here adventure mode also works
long entityId = ItemFrameEntity.getItemFrameEntityId(session, packet.getBlockPosition());
if (entityId != -1) {
ClientPlayerInteractEntityPacket interactPacket = new ClientPlayerInteractEntityPacket((int) entityId,
Entity itemFrameEntity = ItemFrameEntity.getItemFrameEntity(session, packet.getBlockPosition());
if (itemFrameEntity != null) {
ClientPlayerInteractEntityPacket interactPacket = new ClientPlayerInteractEntityPacket((int) itemFrameEntity.getEntityId(),
InteractAction.ATTACK, Hand.MAIN_HAND, session.isSneaking());
session.sendDownstreamPacket(interactPacket);
break;

19
connector/src/main/java/org/geysermc/connector/utils/ChunkUtils.java
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@ -47,7 +47,6 @@ import it.unimi.dsi.fastutil.objects.Object2IntOpenHashMap;
import lombok.Data;
import lombok.experimental.UtilityClass;
import org.geysermc.connector.GeyserConnector;
import org.geysermc.connector.entity.Entity;
import org.geysermc.connector.entity.ItemFrameEntity;
import org.geysermc.connector.entity.player.SkullPlayerEntity;
import org.geysermc.connector.network.session.GeyserSession;
@ -329,21 +328,13 @@ public class ChunkUtils {
*/
public static void updateBlock(GeyserSession session, int blockState, Vector3i position) {
// Checks for item frames so they aren't tripped up and removed
long frameEntityId = ItemFrameEntity.getItemFrameEntityId(session, position);
if (frameEntityId != -1) {
// TODO: Very occasionally the item frame doesn't sync up when destroyed
Entity entity = session.getEntityCache().getEntityByJavaId(frameEntityId);
if (blockState == JAVA_AIR_ID && entity != null) { // Item frame is still present and no block overrides that; refresh it
((ItemFrameEntity) entity).updateBlock(session);
ItemFrameEntity itemFrameEntity = ItemFrameEntity.getItemFrameEntity(session, position);
if (itemFrameEntity != null) {
if (blockState == JAVA_AIR_ID) { // Item frame is still present and no block overrides that; refresh it
itemFrameEntity.updateBlock(session);
return;
}
// Otherwise the item frame is gone
if (entity != null) {
session.getEntityCache().removeEntity(entity, false);
} else {
ItemFrameEntity.removePosition(session, position);
}
// Otherwise, let's still store our reference to the item frame, but let the new block take precedence for now
}
SkullPlayerEntity skull = session.getSkullCache().get(position);

80
connector/src/main/java/org/geysermc/connector/utils/InventoryUtils.java
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@ -170,6 +170,60 @@ public class InventoryUtils {
.tag(root.build()).build();
}
/**
* See {@link #findOrCreateItem(GeyserSession, String)}. This is for finding a specified {@link ItemStack}.
*
* @param session the Bedrock client's session
* @param itemStack the item to try to find a match for. NBT will also be accounted for.
*/
public static void findOrCreateItem(GeyserSession session, ItemStack itemStack) {
PlayerInventory inventory = session.getPlayerInventory();
if (itemStack == null || itemStack.getId() == 0) {
return;
}
// Check hotbar for item
for (int i = 36; i < 45; i++) {
GeyserItemStack geyserItem = inventory.getItem(i);
if (geyserItem.isEmpty()) {
continue;
}
// If this is the item we're looking for
if (geyserItem.getJavaId() == itemStack.getId() && Objects.equals(geyserItem.getNbt(), itemStack.getNbt())) {
setHotbarItem(session, i);
// Don't check inventory if item was in hotbar
return;
}
}
// Check inventory for item
for (int i = 9; i < 36; i++) {
GeyserItemStack geyserItem = inventory.getItem(i);
if (geyserItem.isEmpty()) {
continue;
}
// If this is the item we're looking for
if (geyserItem.getJavaId() == itemStack.getId() && Objects.equals(geyserItem.getNbt(), itemStack.getNbt())) {
ClientMoveItemToHotbarPacket packetToSend = new ClientMoveItemToHotbarPacket(i); // https://wiki.vg/Protocol#Pick_Item
session.sendDownstreamPacket(packetToSend);
return;
}
}
// If we still have not found the item, and we're in creative, ask for the item from the server.
if (session.getGameMode() == GameMode.CREATIVE) {
int slot = findEmptyHotbarSlot(inventory);
ClientCreativeInventoryActionPacket actionPacket = new ClientCreativeInventoryActionPacket(slot,
itemStack);
if ((slot - 36) != inventory.getHeldItemSlot()) {
setHotbarItem(session, slot);
}
session.sendDownstreamPacket(actionPacket);
}
}
/**
* Attempt to find the specified item name in the session's inventory.
* If it is found and in the hotbar, set the user's held item to that slot.
@ -223,15 +277,7 @@ public class InventoryUtils {
// If we still have not found the item, and we're in creative, ask for the item from the server.
if (session.getGameMode() == GameMode.CREATIVE) {
int slot = inventory.getHeldItemSlot() + 36;
if (!inventory.getItemInHand().isEmpty()) { // Otherwise we should just use the current slot
for (int i = 36; i < 45; i++) {
if (inventory.getItem(i).isEmpty()) {
slot = i;
break;
}
}
}
int slot = findEmptyHotbarSlot(inventory);
ItemEntry entry = ItemRegistry.getItemEntry(itemName);
if (entry != null) {
@ -247,6 +293,22 @@ public class InventoryUtils {
}
}
/**
* @return the first empty slot found in this inventory, or else the player's currently held slot.
*/
private static int findEmptyHotbarSlot(PlayerInventory inventory) {
int slot = inventory.getHeldItemSlot() + 36;
if (!inventory.getItemInHand().isEmpty()) { // Otherwise we should just use the current slot
for (int i = 36; i < 45; i++) {
if (inventory.getItem(i).isEmpty()) {
slot = i;
break;
}
}
}
return slot;
}
/**
* Changes the held item slot to the specified slot
* @param session GeyserSession