103 lines
4 KiB
Diff
103 lines
4 KiB
Diff
From d603d2df6455409178a399ba768cdd684d3d8a1d Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Mon, 17 Jun 2013 01:24:00 -0400
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Subject: [PATCH] Entity Tracking Improvements
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If any part of a Vehicle/Passenger relationship is visible to a player,
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send all passenger/vehicles to the player in the chain.
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diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
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index 4b2f804..4a7ca49 100644
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--- a/src/main/java/net/minecraft/server/Entity.java
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+++ b/src/main/java/net/minecraft/server/Entity.java
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@@ -51,6 +51,7 @@ public abstract class Entity implements ICommandListener {
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protected CraftEntity bukkitEntity;
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+ EntityTrackerEntry tracker; // Paper
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public CraftEntity getBukkitEntity() {
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if (bukkitEntity == null) {
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bukkitEntity = CraftEntity.getEntity(world.getServer(), this);
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diff --git a/src/main/java/net/minecraft/server/EntityTrackerEntry.java b/src/main/java/net/minecraft/server/EntityTrackerEntry.java
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index f505e3c..c2113d7 100644
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--- a/src/main/java/net/minecraft/server/EntityTrackerEntry.java
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+++ b/src/main/java/net/minecraft/server/EntityTrackerEntry.java
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@@ -49,6 +49,7 @@ public class EntityTrackerEntry {
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// Paper end
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public EntityTrackerEntry(Entity entity, int i, int j, int k, boolean flag) {
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+ entity.tracker = this; // Paper
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this.tracker = entity;
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this.e = i;
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this.f = j;
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@@ -438,17 +439,59 @@ public class EntityTrackerEntry {
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this.tracker.b(entityplayer);
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entityplayer.d(this.tracker);
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+ updatePassengers(entityplayer); // Paper
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}
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} else if (this.trackedPlayers.contains(entityplayer)) {
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this.trackedPlayers.remove(entityplayer);
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this.tracker.c(entityplayer);
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entityplayer.c(this.tracker);
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+ updatePassengers(entityplayer); // Paper
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}
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}
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}
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public boolean c(EntityPlayer entityplayer) {
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+ // Paper start
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+ if (tracker.isPassenger()) {
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+ return isTrackedBy(tracker.getVehicle(), entityplayer);
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+ } else if (hasPassengerInRange(tracker, entityplayer)) {
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+ return true;
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+ }
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+
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+ return isInRangeOfPlayer(entityplayer);
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+ }
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+ private static boolean hasPassengerInRange(Entity entity, EntityPlayer entityplayer) {
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+ if (!entity.isVehicle()) {
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+ return false;
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+ }
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+ for (Entity passenger : entity.passengers) {
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+ if (passenger.tracker != null && passenger.tracker.isInRangeOfPlayer(entityplayer)) {
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+ return true;
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+ }
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+ if (passenger.isVehicle()) {
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+ if (hasPassengerInRange(passenger, entityplayer)) {
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+ return true;
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+ }
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+ }
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+ }
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+ return false;
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+ }
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+ private static boolean isTrackedBy(Entity entity, EntityPlayer entityplayer) {
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+ return entity == entityplayer || entity.tracker != null && entity.tracker.trackedPlayers.contains(entityplayer);
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+ }
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+ private void updatePassengers(EntityPlayer player) {
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+ if (tracker.isVehicle()) {
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+ tracker.passengers.forEach((e) -> {
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+ if (e.tracker != null) {
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+ e.tracker.updatePlayer(player);
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+ }
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+ });
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+ player.playerConnection.sendPacket(new PacketPlayOutMount(this.tracker));
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+ }
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+ }
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+ private boolean isInRangeOfPlayer(EntityPlayer entityplayer) {
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+ // Paper end
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double d0 = entityplayer.locX - (double) this.xLoc / 4096.0D;
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double d1 = entityplayer.locZ - (double) this.zLoc / 4096.0D;
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int i = Math.min(this.e, this.f);
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@@ -581,6 +624,7 @@ public class EntityTrackerEntry {
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this.trackedPlayers.remove(entityplayer);
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this.tracker.c(entityplayer);
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entityplayer.c(this.tracker);
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+ updatePassengers(entityplayer); // Paper
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}
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}
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--
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2.9.0
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