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 a5d3e5b402ca0a2e806a783304d43eac9dc142ad..d46886a658c5058ba2c622daff96f5daf15ef3f3 100644 --- a/src/main/java/net/minecraft/world/entity/LivingEntity.java +++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java @@ -2875,17 +2875,29 @@ 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 @VisibleForTesting public void jumpFromGround() { float f = this.getJumpPower(); if (f > 1.0E-5F) { 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, Math.max((double) f, vec3d.y), vec3d.z); if (this.isSprinting()) { float f1 = this.getYRot() * 0.017453292F; - + if (canCrit) // Paper - Prevent excessive velocity through repeated crits this.addDeltaMovement(new Vec3((double) (-Mth.sin(f1)) * 0.2D, 0.0D, (double) Mth.cos(f1) * 0.2D)); }