testserver/patches/server/0789-Prevent-excessive-velo...

39 lines
1.7 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Nassim Jahnke <jahnke.nassim@gmail.com>
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 b6af4e6b146cc6ceb769a0d1e0d253f0b0f844d2..93cb4d6177cb7ea7a6e9ba5848176d9d74ade3e1 100644
--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
@@ -2626,14 +2626,27 @@ public abstract class LivingEntity extends Entity {
return this.hasEffect(MobEffects.JUMP) ? (double) (0.1F * (float) (this.getEffect(MobEffects.JUMP).getAmplifier() + 1)) : 0.0D;
}
+ protected long lastJumpTime = 0L; // Paper
protected void jumpFromGround() {
double d0 = (double) this.getJumpPower() + this.getJumpBoostPower();
Vec3 vec3d = this.getDeltaMovement();
+ // Paper start
+ 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
this.setDeltaMovement(vec3d.x, d0, vec3d.z);
if (this.isSprinting()) {
float f = this.getYRot() * 0.017453292F;
+ if (canCrit) // Paper
this.setDeltaMovement(this.getDeltaMovement().add((double) (-Mth.sin(f) * 0.2F), 0.0D, (double) (Mth.cos(f) * 0.2F)));
}