From 72a1b85a6474a83316095da0c2cfe30cb1b365f5 Mon Sep 17 00:00:00 2001 From: Aikar Date: Mon, 17 Jun 2013 01:24:00 -0400 Subject: [PATCH] Entity Tracking Improvements If any part of a Vehicle/Passenger relationship is visible to a player, send all passenger/vehicles to the player in the chain. diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java index 1474209a1e..5e5c241669 100644 --- a/src/main/java/net/minecraft/server/Entity.java +++ b/src/main/java/net/minecraft/server/Entity.java @@ -72,6 +72,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke public com.destroystokyo.paper.loottable.PaperLootableInventoryData lootableData; // Paper protected CraftEntity bukkitEntity; + EntityTrackerEntry tracker; // Paper public CraftEntity getBukkitEntity() { if (bukkitEntity == null) { bukkitEntity = CraftEntity.getEntity(world.getServer(), this); diff --git a/src/main/java/net/minecraft/server/EntityTrackerEntry.java b/src/main/java/net/minecraft/server/EntityTrackerEntry.java index 6120c63a38..a9d51641c1 100644 --- a/src/main/java/net/minecraft/server/EntityTrackerEntry.java +++ b/src/main/java/net/minecraft/server/EntityTrackerEntry.java @@ -49,6 +49,7 @@ public class EntityTrackerEntry { // Paper end public EntityTrackerEntry(Entity entity, int i, int j, int k, boolean flag) { + entity.tracker = this; // Paper this.tracker = entity; this.e = i; this.f = j; @@ -446,17 +447,59 @@ public class EntityTrackerEntry { this.tracker.b(entityplayer); entityplayer.d(this.tracker); + updatePassengers(entityplayer); // Paper } } else if (this.trackedPlayers.contains(entityplayer)) { this.trackedPlayers.remove(entityplayer); this.tracker.c(entityplayer); entityplayer.c(this.tracker); + updatePassengers(entityplayer); // Paper } } } public boolean c(EntityPlayer entityplayer) { + // Paper start + if (tracker.isPassenger()) { + return isTrackedBy(tracker.getVehicle(), entityplayer); + } else if (hasPassengerInRange(tracker, entityplayer)) { + return true; + } + + return isInRangeOfPlayer(entityplayer); + } + private static boolean hasPassengerInRange(Entity entity, EntityPlayer entityplayer) { + if (!entity.isVehicle()) { + return false; + } + for (Entity passenger : entity.passengers) { + if (passenger.tracker != null && passenger.tracker.isInRangeOfPlayer(entityplayer)) { + return true; + } + if (passenger.isVehicle()) { + if (hasPassengerInRange(passenger, entityplayer)) { + return true; + } + } + } + return false; + } + private static boolean isTrackedBy(Entity entity, EntityPlayer entityplayer) { + return entity == entityplayer || entity.tracker != null && entity.tracker.trackedPlayers.contains(entityplayer); + } + private void updatePassengers(EntityPlayer player) { + if (tracker.isVehicle()) { + tracker.passengers.forEach((e) -> { + if (e.tracker != null) { + e.tracker.updatePlayer(player); + } + }); + player.playerConnection.sendPacket(new PacketPlayOutMount(this.tracker)); + } + } + private boolean isInRangeOfPlayer(EntityPlayer entityplayer) { + // Paper end double d0 = entityplayer.locX - (double) this.xLoc / 4096.0D; double d1 = entityplayer.locZ - (double) this.zLoc / 4096.0D; int i = Math.min(this.e, (entityplayer.getViewDistance() - 1) * 16); // Paper - Use player view distance API @@ -597,6 +640,7 @@ public class EntityTrackerEntry { this.trackedPlayers.remove(entityplayer); this.tracker.c(entityplayer); entityplayer.c(this.tracker); + updatePassengers(entityplayer); // Paper } } -- 2.19.0