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c5a10665b8
Spigot still maintains some partial implementation of "tick skipping", a practice in which the MinecraftServer.currentTick field is updated not by an increment of one per actual tick, but instead set to System.currentTimeMillis() / 50. This behaviour means that the tracked tick may "skip" a tick value in case a previous tick took more than the expected 50ms. To compensate for this in important paths, spigot/craftbukkit implements "wall-time". Instead of incrementing/decrementing ticks on block entities/entities by one for each call to their tick() method, they instead increment/decrement important values, like an ItemEntity's age or pickupDelay, by the difference of `currentTick - lastTick`, where `lastTick` is the value of `currentTick` during the last tick() call. These "fixes" however do not play nicely with minecraft's simulation distance as entities/block entities implementing the above behaviour would "catch up" their values when moving from a non-ticking chunk to a ticking one as their `lastTick` value remains stuck on the last tick in a ticking chunk and hence lead to a large "catch up" once ticked again. Paper completely removes the "tick skipping" behaviour (See patch "Further-improve-server-tick-loop"), making the above precautions completely unnecessary, which also rids paper of the previous described incompatibility with non-ticking chunks.
50 lines
2.9 KiB
Diff
50 lines
2.9 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: William Blake Galbreath <Blake.Galbreath@GMail.com>
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Date: Fri, 7 Feb 2020 14:36:56 -0600
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Subject: [PATCH] Add option to nerf pigmen from nether portals
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diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
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index 9d56aff2766b684f0fb20e93d504de1a7a564b11..94242c19740ae6ab2c86e3949bab6cee631b938f 100644
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--- a/src/main/java/net/minecraft/world/entity/Entity.java
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+++ b/src/main/java/net/minecraft/world/entity/Entity.java
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@@ -403,6 +403,7 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess
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public void inactiveTick() { }
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// Spigot end
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protected int numCollisions = 0; // Paper - Cap entity collisions
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+ public boolean fromNetherPortal; // Paper - Add option to nerf pigmen from nether portals
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public boolean spawnedViaMobSpawner; // Paper - Yes this name is similar to above, upstream took the better one
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// Paper start - Entity origin API
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@javax.annotation.Nullable
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@@ -2282,6 +2283,9 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess
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if (spawnedViaMobSpawner) {
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nbttagcompound.putBoolean("Paper.FromMobSpawner", true);
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}
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+ if (fromNetherPortal) {
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+ nbttagcompound.putBoolean("Paper.FromNetherPortal", true);
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+ }
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// Paper end
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return nbttagcompound;
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} catch (Throwable throwable) {
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@@ -2424,6 +2428,7 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess
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}
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spawnedViaMobSpawner = nbt.getBoolean("Paper.FromMobSpawner"); // Restore entity's from mob spawner status
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+ fromNetherPortal = nbt.getBoolean("Paper.FromNetherPortal");
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if (nbt.contains("Paper.SpawnReason")) {
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String spawnReasonName = nbt.getString("Paper.SpawnReason");
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try {
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diff --git a/src/main/java/net/minecraft/world/level/block/NetherPortalBlock.java b/src/main/java/net/minecraft/world/level/block/NetherPortalBlock.java
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index 8072e67f7b2f5944670159d3de1b01090bd1019d..a4e1c878dc7677e8ccc7c568ab455e85513d86cb 100644
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--- a/src/main/java/net/minecraft/world/level/block/NetherPortalBlock.java
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+++ b/src/main/java/net/minecraft/world/level/block/NetherPortalBlock.java
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@@ -88,6 +88,8 @@ public class NetherPortalBlock extends Block implements Portal {
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if (entity != null) {
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entity.setPortalCooldown();
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+ entity.fromNetherPortal = true; // Paper - Add option to nerf pigmen from nether portals
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+ if (world.paperConfig().entities.behavior.nerfPigmenFromNetherPortals) ((net.minecraft.world.entity.Mob) entity).aware = false; // Paper - Add option to nerf pigmen from nether portals
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}
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}
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}
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