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 14f6c163c4f3cb5b096db1b9111041b4573bfef6..fb6cbcc4839aef7dc4bd4a49613f892b07aab353 100644
--- a/src/main/java/net/minecraft/server/level/ChunkMap.java
+++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
@@ -1557,6 +1557,15 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
double d1 = vec3d_dx * vec3d_dx + vec3d_dz * vec3d_dz; // Paper
double d2 = d0 * d0;
boolean flag = d1 <= d2 && this.entity.broadcastToPlayer(player);
+ // Paper start - check 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 - check Y
// CraftBukkit start - respect vanish API
if (!player.getBukkitEntity().canSee(this.entity.getBukkitEntity())) {