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path: root/patch-remap/mache-vineflower-stripped/net/minecraft/server/level/ServerEntity.java.patch
blob: dbe60b2aa888c5c6d9dbdf7b59f36332c4639fd6 (plain)
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--- a/net/minecraft/server/level/ServerEntity.java
+++ b/net/minecraft/server/level/ServerEntity.java
@@ -40,6 +41,13 @@
 import net.minecraft.world.phys.Vec3;
 import org.slf4j.Logger;
 
+// CraftBukkit start
+import net.minecraft.server.network.ServerPlayerConnection;
+import net.minecraft.util.Mth;
+import org.bukkit.entity.Player;
+import org.bukkit.event.player.PlayerVelocityEvent;
+// CraftBukkit end
+
 public class ServerEntity {
     private static final Logger LOGGER = LogUtils.getLogger();
     private static final int TOLERANCE_LEVEL_ROTATION = 1;
@@ -63,10 +72,16 @@
     private boolean wasOnGround;
     @Nullable
     private List<SynchedEntityData.DataValue<?>> trackedDataValues;
+    // CraftBukkit start
+    private final Set<ServerPlayerConnection> trackedPlayers;
 
-    public ServerEntity(ServerLevel level, Entity entity, int updateInterval, boolean trackDelta, Consumer<Packet<?>> broadcast) {
-        this.level = level;
-        this.broadcast = broadcast;
+    public ServerEntity(ServerLevel worldserver, Entity entity, int i, boolean flag, Consumer<Packet<?>> consumer, Set<ServerPlayerConnection> trackedPlayers) {
+        this.trackedPlayers = trackedPlayers;
+        // CraftBukkit end
+        this.ap = Vec3.ZERO;
+        this.lastPassengers = Collections.emptyList();
+        this.level = worldserver;
+        this.broadcast = consumer;
         this.entity = entity;
         this.updateInterval = updateInterval;
         this.trackDelta = trackDelta;
@@ -79,32 +94,45 @@
     }
 
     public void sendChanges() {
-        List<Entity> passengers = this.entity.getPassengers();
-        if (!passengers.equals(this.lastPassengers)) {
-            this.broadcast.accept(new ClientboundSetPassengersPacket(this.entity));
-            removedPassengers(passengers, this.lastPassengers)
-                .forEach(
-                    entity -> {
-                        if (entity instanceof ServerPlayer serverPlayer1) {
-                            serverPlayer1.connection
-                                .teleport(serverPlayer1.getX(), serverPlayer1.getY(), serverPlayer1.getZ(), serverPlayer1.getYRot(), serverPlayer1.getXRot());
-                        }
-                    }
-                );
-            this.lastPassengers = passengers;
+        List<Entity> list = this.entity.getPassengers();
+
+        if (!list.equals(this.lastPassengers)) {
+            this.broadcastAndSend(new ClientboundSetPassengersPacket(this.entity)); // CraftBukkit
+            removedPassengers(list, this.lastPassengers).forEach((entity) -> {
+                if (entity instanceof ServerPlayer) {
+                    ServerPlayer entityplayer = (ServerPlayer) entity;
+
+                    entityplayer.connection.teleport(entityplayer.getX(), entityplayer.getY(), entityplayer.getZ(), entityplayer.getYRot(), entityplayer.getXRot());
+                }
+
+            });
+            this.lastPassengers = list;
         }
 
-        if (this.entity instanceof ItemFrame itemFrame && this.tickCount % 10 == 0) {
-            ItemStack item = itemFrame.getItem();
-            if (item.getItem() instanceof MapItem) {
-                Integer mapId = MapItem.getMapId(item);
-                MapItemSavedData savedData = MapItem.getSavedData(mapId, this.level);
-                if (savedData != null) {
-                    for (ServerPlayer serverPlayer : this.level.players()) {
-                        savedData.tickCarriedBy(serverPlayer, item);
-                        Packet<?> updatePacket = savedData.getUpdatePacket(mapId, serverPlayer);
-                        if (updatePacket != null) {
-                            serverPlayer.connection.send(updatePacket);
+        Entity entity = this.entity;
+
+        if (entity instanceof ItemFrame) {
+            ItemFrame entityitemframe = (ItemFrame) entity;
+
+            if (true || this.tickCount % 10 == 0) { // CraftBukkit - Moved below, should always enter this block
+                ItemStack itemstack = entityitemframe.getItem();
+
+                if (this.tickCount % 10 == 0 && itemstack.getItem() instanceof MapItem) { // CraftBukkit - Moved this.tickCounter % 10 logic here so item frames do not enter the other blocks
+                    Integer integer = MapItem.getMapId(itemstack);
+                    MapItemSavedData worldmap = MapItem.getSavedData(integer, this.level);
+
+                    if (worldmap != null) {
+                        Iterator<ServerPlayerConnection> iterator = this.trackedPlayers.iterator(); // CraftBukkit
+
+                        while (iterator.hasNext()) {
+                            ServerPlayer entityplayer = iterator.next().getPlayer(); // CraftBukkit
+
+                            worldmap.tickCarriedBy(entityplayer, itemstack);
+                            Packet<?> packet = worldmap.getUpdatePacket(integer, entityplayer);
+
+                            if (packet != null) {
+                                entityplayer.connection.send(packet);
+                            }
                         }
                     }
                 }
@@ -206,7 +238,27 @@
 
         this.tickCount++;
         if (this.entity.hurtMarked) {
-            this.broadcastAndSend(new ClientboundSetEntityMotionPacket(this.entity));
+            // CraftBukkit start - Create PlayerVelocity event
+            boolean cancelled = false;
+
+            if (this.entity instanceof ServerPlayer) {
+                Player player = (Player) this.entity.getBukkitEntity();
+                org.bukkit.util.Vector velocity = player.getVelocity();
+
+                PlayerVelocityEvent event = new PlayerVelocityEvent(player, velocity.clone());
+                this.entity.level().getCraftServer().getPluginManager().callEvent(event);
+
+                if (event.isCancelled()) {
+                    cancelled = true;
+                } else if (!velocity.equals(event.getVelocity())) {
+                    player.setVelocity(event.getVelocity());
+                }
+            }
+
+            if (!cancelled) {
+                this.broadcastAndSend(new ClientboundSetEntityMotionPacket(this.entity));
+            }
+            // CraftBukkit end
             this.entity.hurtMarked = false;
         }
     }
@@ -229,7 +286,10 @@
 
     public void sendPairingData(ServerPlayer player, Consumer<Packet<ClientGamePacketListener>> consumer) {
         if (this.entity.isRemoved()) {
-            LOGGER.warn("Fetching packet for removed entity {}", this.entity);
+            // CraftBukkit start - Remove useless error spam, just return
+            // EntityTrackerEntry.LOGGER.warn("Fetching packet for removed entity {}", this.entity);
+            return;
+            // CraftBukkit end
         }
 
         Packet<ClientGamePacketListener> addEntityPacket = this.entity.getAddEntityPacket();
@@ -241,10 +303,13 @@
 
         boolean flag = this.trackDelta;
         if (this.entity instanceof LivingEntity) {
-            Collection<AttributeInstance> syncableAttributes = ((LivingEntity)this.entity).getAttributes().getSyncableAttributes();
-            if (!syncableAttributes.isEmpty()) {
-                consumer.accept(new ClientboundUpdateAttributesPacket(this.entity.getId(), syncableAttributes));
+            Collection<AttributeInstance> collection = ((LivingEntity) this.entity).getAttributes().getSyncableAttributes();
+
+            // CraftBukkit start - If sending own attributes send scaled health instead of current maximum health
+            if (this.entity.getId() == player.getId()) {
+                ((ServerPlayer) this.entity).getBukkitEntity().injectScaledMaxHealth(collection, false);
             }
+            // CraftBukkit end
 
             if (((LivingEntity)this.entity).isFallFlying()) {
                 flag = true;
@@ -269,8 +342,15 @@
             if (!list.isEmpty()) {
                 consumer.accept(new ClientboundSetEquipmentPacket(this.entity.getId(), list));
             }
+            ((LivingEntity) this.entity).detectEquipmentUpdatesPublic(); // CraftBukkit - SPIGOT-3789: sync again immediately after sending
         }
 
+        // CraftBukkit start - MC-109346: Fix for nonsensical head yaw
+        if (this.entity instanceof ServerPlayer) {
+            consumer.accept(new ClientboundRotateHeadPacket(this.entity, (byte) Mth.floor(this.entity.getYHeadRot() * 256.0F / 360.0F)));
+        }
+        // CraftBukkit end
+
         if (!this.entity.getPassengers().isEmpty()) {
             consumer.accept(new ClientboundSetPassengersPacket(this.entity));
         }
@@ -293,9 +381,15 @@
         }
 
         if (this.entity instanceof LivingEntity) {
-            Set<AttributeInstance> dirtyAttributes = ((LivingEntity)this.entity).getAttributes().getDirtyAttributes();
-            if (!dirtyAttributes.isEmpty()) {
-                this.broadcastAndSend(new ClientboundUpdateAttributesPacket(this.entity.getId(), dirtyAttributes));
+            Set<AttributeInstance> set = ((LivingEntity) this.entity).getAttributes().getDirtyAttributes();
+
+            if (!set.isEmpty()) {
+                // CraftBukkit start - Send scaled max health
+                if (this.entity instanceof ServerPlayer) {
+                    ((ServerPlayer) this.entity).getBukkitEntity().injectScaledMaxHealth(set, false);
+                }
+                // CraftBukkit end
+                this.broadcastAndSend(new ClientboundUpdateAttributesPacket(this.entity.getId(), set));
             }
 
             dirtyAttributes.clear();