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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.
34 lines
2.4 KiB
Diff
34 lines
2.4 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Trigary <trigary0@gmail.com>
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Date: Mon, 25 Jan 2021 14:53:57 +0100
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Subject: [PATCH] Add DragonEggFormEvent
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diff --git a/src/main/java/net/minecraft/world/level/dimension/end/EndDragonFight.java b/src/main/java/net/minecraft/world/level/dimension/end/EndDragonFight.java
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index 4f3fdc6ea0cafd61f778edb6a967bd0eb00abdb9..460744ec3a1abe9a2d9d16c2ec521c52c7f8db95 100644
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--- a/src/main/java/net/minecraft/world/level/dimension/end/EndDragonFight.java
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+++ b/src/main/java/net/minecraft/world/level/dimension/end/EndDragonFight.java
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@@ -409,8 +409,22 @@ public class EndDragonFight {
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this.dragonEvent.setVisible(false);
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this.spawnExitPortal(true);
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this.spawnNewGateway();
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+ // Paper start - Add DragonEggFormEvent
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+ BlockPos eggPosition = this.level.getHeightmapPos(Heightmap.Types.MOTION_BLOCKING, EndPodiumFeature.getLocation(this.origin));
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+ org.bukkit.craftbukkit.block.CraftBlockState eggState = org.bukkit.craftbukkit.block.CraftBlockStates.getBlockState(this.level, eggPosition);
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+ eggState.setData(Blocks.DRAGON_EGG.defaultBlockState());
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+ io.papermc.paper.event.block.DragonEggFormEvent eggEvent = new io.papermc.paper.event.block.DragonEggFormEvent(org.bukkit.craftbukkit.block.CraftBlock.at(this.level, eggPosition), eggState,
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+ new org.bukkit.craftbukkit.boss.CraftDragonBattle(this));
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+ // Paper end - Add DragonEggFormEvent
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if (this.level.paperConfig().entities.behavior.enderDragonsDeathAlwaysPlacesDragonEgg || !this.previouslyKilled) { // Paper - Add toggle for always placing the dragon egg
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- this.level.setBlockAndUpdate(this.level.getHeightmapPos(Heightmap.Types.MOTION_BLOCKING, EndPodiumFeature.getLocation(this.origin)), Blocks.DRAGON_EGG.defaultBlockState());
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+ // Paper start - Add DragonEggFormEvent
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+ // this.level.setBlockAndUpdate(this.level.getHeightmapPos(Heightmap.Types.MOTION_BLOCKING, EndPodiumFeature.getLocation(this.origin)), Blocks.DRAGON_EGG.defaultBlockState());
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+ } else {
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+ eggEvent.setCancelled(true);
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+ }
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+ if (eggEvent.callEvent()) {
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+ eggEvent.getNewState().update(true);
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+ // Paper end - Add DragonEggFormEvent
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}
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this.previouslyKilled = true;
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