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Stop large look changes from crashing the server (#8326)

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Jaren 2022-09-16 23:30:00 -04:00 committed by GitHub
parent 178f035aa7
commit 267dd180b6
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patches/server/0936-Stop-large-look-changes-from-crashing-the-server.patch Normal file
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: MWHunter <s0521458@student.rockvalleycollege.edu>
Date: Wed, 24 Aug 2022 09:54:11 -0400
Subject: [PATCH] Stop large look changes from crashing the server
Co-authored-by: Jaren Knodel <Jaren@Knodel.com>
diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
index cff7993bdafd2f69e46c9985c7601a69ae47f452..99f997e63620492de737a68904ec9e9929096bff 100644
--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
@@ -2986,37 +2986,15 @@ public abstract class LivingEntity extends Entity {
this.level.getProfiler().pop();
this.level.getProfiler().push("rangeChecks");
- while (this.getYRot() - this.yRotO < -180.0F) {
- this.yRotO -= 360.0F;
- }
-
- while (this.getYRot() - this.yRotO >= 180.0F) {
- this.yRotO += 360.0F;
- }
+ // Paper start - stop large pitch and yaw changes from crashing the server
+ this.yRotO += Math.round((this.getYRot() - this.yRotO) / 360.0F) * 360.0F;
- while (this.yBodyRot - this.yBodyRotO < -180.0F) {
- this.yBodyRotO -= 360.0F;
- }
+ this.yBodyRotO += Math.round((this.yBodyRot - this.yBodyRotO) / 360.0F) * 360.0F;
- while (this.yBodyRot - this.yBodyRotO >= 180.0F) {
- this.yBodyRotO += 360.0F;
- }
-
- while (this.getXRot() - this.xRotO < -180.0F) {
- this.xRotO -= 360.0F;
- }
+ this.xRotO += Math.round((this.getXRot() - this.xRotO) / 360.0F) * 360.0F;
- while (this.getXRot() - this.xRotO >= 180.0F) {
- this.xRotO += 360.0F;
- }
-
- while (this.yHeadRot - this.yHeadRotO < -180.0F) {
- this.yHeadRotO -= 360.0F;
- }
-
- while (this.yHeadRot - this.yHeadRotO >= 180.0F) {
- this.yHeadRotO += 360.0F;
- }
+ this.yHeadRotO += Math.round((this.yHeadRot - this.yHeadRotO) / 360.0F) * 360.0F;
+ // Paper end
this.level.getProfiler().pop();
this.animStep += f2;
diff --git a/src/main/java/net/minecraft/world/entity/projectile/Projectile.java b/src/main/java/net/minecraft/world/entity/projectile/Projectile.java
index 66c3f374a779cd3a4548393ba23e9219f1caf6d3..c61ed38d0a824fee9b45acfc862baf03c85fe54b 100644
--- a/src/main/java/net/minecraft/world/entity/projectile/Projectile.java
+++ b/src/main/java/net/minecraft/world/entity/projectile/Projectile.java
@@ -245,13 +245,7 @@ public abstract class Projectile extends Entity {
}
protected static float lerpRotation(float prevRot, float newRot) {
- while (newRot - prevRot < -180.0F) {
- prevRot -= 360.0F;
- }
-
- while (newRot - prevRot >= 180.0F) {
- prevRot += 360.0F;
- }
+ prevRot += Math.round((newRot - prevRot) / 360.0F) * 360.0F; // Paper - stop large look changes from crashing the server
return Mth.lerp(0.2F, prevRot, newRot);
}