Allow enabling sand duping (#10191)

Because this exploit has been widely known for years and has not been fixed by Mojang, we decided that it was worth allowing people to toggle it on/off due to how easy it is to make it configurable.

It should be noted that this decision does not promise all future exploits will be configurable.
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Owen 2024-03-03 17:05:34 -05:00 committed by GitHub
parent b21eb4d9a4
commit 89d51d5f29
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673 changed files with 157 additions and 189 deletions

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@ -0,0 +1,27 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: ruViolence <78062896+ruViolence@users.noreply.github.com>
Date: Tue, 27 Jun 2023 15:38:18 +0800
Subject: [PATCH] Configurable entity tracking range by Y coordinate
Options to configure entity tracking by Y coordinate, also for each entity category.
diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
index ca24463405f138deb882f319bf84696f52a1f606..aed4f4ac21b8ddc9c9ee7ce5151bbfc8bb6cf7f5 100644
--- a/src/main/java/net/minecraft/server/level/ChunkMap.java
+++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
@@ -1741,6 +1741,15 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
double d1 = vec3d.x * vec3d.x + vec3d.z * vec3d.z;
double d2 = d0 * d0;
boolean flag = d1 <= d2 && this.entity.broadcastToPlayer(player) && ChunkMap.this.isChunkTracked(player, this.entity.chunkPosition().x, this.entity.chunkPosition().z);
+ // Paper start - Configurable entity tracking range by Y
+ if (flag && level.paperConfig().entities.trackingRangeY.enabled) {
+ double rangeY = level.paperConfig().entities.trackingRangeY.get(this.entity, -1);
+ if (rangeY != -1) {
+ double vec3d_dy = player.getY() - this.entity.getY();
+ flag = vec3d_dy * vec3d_dy <= rangeY * rangeY;
+ }
+ }
+ // Paper end - Configurable entity tracking range by Y
// CraftBukkit start - respect vanish API
if (!player.getBukkitEntity().canSee(this.entity.getBukkitEntity())) {