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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.
20 lines
1.2 KiB
Diff
20 lines
1.2 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Nassim Jahnke <nassim@njahnke.dev>
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Date: Thu, 16 Dec 2021 09:40:39 +0100
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Subject: [PATCH] Configurable max block light for monster spawning
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diff --git a/src/main/java/net/minecraft/world/entity/monster/Monster.java b/src/main/java/net/minecraft/world/entity/monster/Monster.java
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index f73604d762efbac400d40f536ec1782fca584efa..e7bfce0534c7ef3a1480a1082ae8514caf78778b 100644
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--- a/src/main/java/net/minecraft/world/entity/monster/Monster.java
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+++ b/src/main/java/net/minecraft/world/entity/monster/Monster.java
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@@ -91,7 +91,7 @@ public abstract class Monster extends PathfinderMob implements Enemy {
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return false;
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} else {
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DimensionType dimensionType = world.dimensionType();
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- int i = dimensionType.monsterSpawnBlockLightLimit();
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+ int i = world.getLevel().paperConfig().entities.spawning.monsterSpawnMaxLightLevel.or(dimensionType.monsterSpawnBlockLightLimit()); // Paper - Configurable max block light for monster spawning
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if (i < 15 && world.getBrightness(LightLayer.BLOCK, pos) > i) {
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return false;
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} else {
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