From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: Nassim Jahnke 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 31eb77e4e5f07b120708edeca497ef2eef1fcf13..ed6fd20ff608e764d6b0f517f6c9c85c533f1646 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))); }