Paper/patches/server/0661-Prevent-excessive-velocity-through-repeated-crits.patch

38 lines
1.9 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Nassim Jahnke <nassim@njahnke.dev>
Date: Thu, 25 Nov 2021 10:25:09 +0100
Subject: [PATCH] Prevent excessive velocity through repeated crits
diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
index 18804ea960f8423d172d9119c0739226a18d4d56..d4abce0b715d5eda99505fa0e29eeab20b538fd9 100644
--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
@@ -2697,13 +2697,26 @@ public abstract class LivingEntity extends Entity implements Attackable {
return this.hasEffect(MobEffects.JUMP) ? 0.1F * ((float) this.getEffect(MobEffects.JUMP).getAmplifier() + 1.0F) : 0.0F;
}
+ protected long lastJumpTime = 0L; // Paper - Prevent excessive velocity through repeated crits
protected void jumpFromGround() {
Vec3 vec3d = this.getDeltaMovement();
+ // Paper start - Prevent excessive velocity through repeated crits
+ long time = System.nanoTime();
+ boolean canCrit = true;
+ if (this instanceof net.minecraft.world.entity.player.Player) {
+ canCrit = false;
+ if (time - this.lastJumpTime > (long)(0.250e9)) {
+ this.lastJumpTime = time;
+ canCrit = true;
+ }
+ }
+ // Paper end - Prevent excessive velocity through repeated crits
this.setDeltaMovement(vec3d.x, (double) this.getJumpPower(), vec3d.z);
if (this.isSprinting()) {
float f = this.getYRot() * 0.017453292F;
+ if (canCrit) // Paper - Prevent excessive velocity through repeated crits
this.setDeltaMovement(this.getDeltaMovement().add((double) (-Mth.sin(f) * 0.2F), 0.0D, (double) (Mth.cos(f) * 0.2F)));
}