Paper/Spigot-Server-Patches/0421-Lag-compensate-eating.patch
Aikar 36f34f01c0
Updated Upstream (Bukkit/CraftBukkit)
Upstream has released updates that appears to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
da9ef3c5 #496: Add methods to get/set ItemStacks in EquipmentSlots
3abebc9f #492: Let Tameable extend Animals rather than Entity
941111a0 #495: Expose ItemStack and hand used in PlayerShearEntityEvent
4fe19cae #494: InventoryView - Add missing Brewing FUEL_TIME

CraftBukkit Changes:
933e9094 #664: Add methods to get/set ItemStacks in EquipmentSlots
18722312 #662: Expose ItemStack and hand used in PlayerShearEntityEvent
2020-05-06 06:05:22 -04:00

85 lines
3.8 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Tue, 14 Jan 2020 15:28:28 -0800
Subject: [PATCH] Lag compensate eating
When the server is lagging, players will wait longer when eating.
Change to also use a time check instead if it passes.
diff --git a/src/main/java/net/minecraft/server/EntityLiving.java b/src/main/java/net/minecraft/server/EntityLiving.java
index aada8d3b08b437f81f68f8e988412c1071287d54..252b3c59294a75618622950286969f5e656da85a 100644
--- a/src/main/java/net/minecraft/server/EntityLiving.java
+++ b/src/main/java/net/minecraft/server/EntityLiving.java
@@ -113,7 +113,7 @@ public abstract class EntityLiving extends Entity {
private int jumpTicks;
private float bD;
public ItemStack activeItem; // Paper - public
- protected int bl;
+ protected int bl; protected final int getEatTimeTicks() { return this.bl; } protected final void setEatTimeTicks(int value) { this.bl = value; } // Paper - OBFHELPER
protected int bm;
private BlockPosition bE;
private DamageSource bF;
@@ -2847,6 +2847,10 @@ public abstract class EntityLiving extends Entity {
return ((Byte) this.datawatcher.get(EntityLiving.ao) & 2) > 0 ? EnumHand.OFF_HAND : EnumHand.MAIN_HAND;
}
+ // Paper start - lag compensate eating
+ protected long eatStartTime;
+ protected int totalEatTimeTicks;
+ // Paper end
private void o() {
if (this.isHandRaised()) {
if (ItemStack.d(this.b(this.getRaisedHand()), this.activeItem)) {
@@ -2855,7 +2859,14 @@ public abstract class EntityLiving extends Entity {
this.b(this.activeItem, 5);
}
- if (--this.bl == 0 && !this.world.isClientSide && !this.activeItem.m()) {
+
+ // Paper start - lag compensate eating
+ // we add 1 to the expected time to avoid lag compensating when we should not
+ boolean shouldLagCompensate
+ = this.activeItem.getItem().isFood() && this.eatStartTime != -1 && (System.nanoTime() - this.eatStartTime) > ((1 + this.totalEatTimeTicks) * 50 * (1000 * 1000));
+ if ((--this.bl == 0 || shouldLagCompensate) && !this.world.isClientSide && !this.activeItem.m()) {
+ this.setEatTimeTicks(0);
+ // Paper end
this.q();
}
} else {
@@ -2905,7 +2916,10 @@ public abstract class EntityLiving extends Entity {
if (!itemstack.isEmpty() && !this.isHandRaised() || forceUpdate) { // Paper use override flag
this.activeItem = itemstack;
- this.bl = itemstack.k();
+ // Paper start - lag compensate eating
+ this.bl = this.totalEatTimeTicks = itemstack.k();
+ this.eatStartTime = System.nanoTime();
+ // Paper end
if (!this.world.isClientSide) {
this.c(1, true);
this.c(2, enumhand == EnumHand.OFF_HAND);
@@ -2929,7 +2943,10 @@ public abstract class EntityLiving extends Entity {
}
} else if (!this.isHandRaised() && !this.activeItem.isEmpty()) {
this.activeItem = ItemStack.a;
- this.bl = 0;
+ // Paper start - lag compensate eating
+ this.bl = this.totalEatTimeTicks = 0;
+ this.eatStartTime = -1L;
+ // Paper end
}
}
@@ -3051,7 +3068,10 @@ public abstract class EntityLiving extends Entity {
}
this.activeItem = ItemStack.a;
- this.bl = 0;
+ // Paper start - lag compensate eating
+ this.bl = this.totalEatTimeTicks = 0;
+ this.eatStartTime = -1L;
+ // Paper end
}
public boolean isBlocking() {