From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: MrHua269 <novau233@163.com>
Date: Tue, 6 Feb 2024 04:21:05 +0000
Subject: [PATCH] Gale Skip entity move if movement is zero


diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index d1f31b991a2a10593fa0ae45d10d7761baffdd75..f7407665c286717456a2525ceea621f6f6db10b7 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -318,6 +318,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
     public float yRotO;
     public float xRotO;
     private AABB bb;
+    private boolean boundingBoxChanged = false; // Gale - VMP - skip entity move if movement is zero
     public boolean onGround;
     public boolean horizontalCollision;
     public boolean verticalCollision;
@@ -1089,6 +1090,11 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
     //Luminol end
 
     public void move(MoverType movementType, Vec3 movement) {
+        // Gale start - VMP - skip entity move if movement is zero
+        if (!this.boundingBoxChanged && movement.equals(Vec3.ZERO)) {
+            return;
+        }
+        // Gale end - VMP - skip entity move if movement is zero
         final Vec3 originalMovement = movement; // Paper - Expose pre-collision velocity
         // Paper start - detailed watchdog information
         io.papermc.paper.util.TickThread.ensureTickThread("Cannot move an entity off-main");
@@ -4935,6 +4941,11 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, S
     }
 
     public final void setBoundingBox(AABB boundingBox) {
+        // Gale start - VMP - skip entity move if movement is zero
+        if (!this.bb.equals(boundingBox)) {
+            this.boundingBoxChanged = true;
+        }
+        // Gale end - VMP - skip entity move if movement is zero
         // CraftBukkit start - block invalid bounding boxes
         double minX = boundingBox.minX,
                 minY = boundingBox.minY,