geforkt von Mirrors/Paper
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.
29 Zeilen
1.6 KiB
Diff
29 Zeilen
1.6 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: SoSeDiK <mrsosedik@gmail.com>
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Date: Tue, 11 Oct 2022 23:30:32 +0300
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Subject: [PATCH] Expose pre-collision moving velocity to
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VehicleBlockCollisionEvent
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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 303f3656be5e9049cd195030c457df9a7c718b66..34e175b28f7c9120b58fc8e2b65ca978c7f301b5 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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@@ -942,6 +942,7 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess
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}
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public void move(MoverType movementType, Vec3 movement) {
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+ final Vec3 originalMovement = movement; // Paper - Expose pre-collision velocity
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if (this.noPhysics) {
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this.setPos(this.getX() + movement.x, this.getY() + movement.y, this.getZ() + movement.z);
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} else {
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@@ -1026,7 +1027,7 @@ public abstract class Entity implements SyncedDataHolder, Nameable, EntityAccess
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}
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if (!bl.getType().isAir()) {
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- VehicleBlockCollisionEvent event = new VehicleBlockCollisionEvent(vehicle, bl);
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+ VehicleBlockCollisionEvent event = new VehicleBlockCollisionEvent(vehicle, bl, org.bukkit.craftbukkit.util.CraftVector.toBukkit(originalMovement)); // Paper - Expose pre-collision velocity
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this.level.getCraftServer().getPluginManager().callEvent(event);
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}
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}
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