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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.
55 lines
3.1 KiB
Diff
55 lines
3.1 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Jake Potrebic <jake.m.potrebic@gmail.com>
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Date: Sat, 10 Dec 2022 17:52:38 -0800
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Subject: [PATCH] Deprecate and replace methods with old StructureType
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diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
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index b5af662ae3c3216b5dc30df5619d0c74db10d119..733bd5c4951426fc9471a18d4b71cb4fa1532ec2 100644
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--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
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+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
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@@ -2001,6 +2001,11 @@ public final class CraftServer implements Server {
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ServerLevel worldServer = ((CraftWorld) world).getHandle();
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Location structureLocation = world.locateNearestStructure(location, structureType, radius, findUnexplored);
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+ // Paper start - don't throw NPE
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+ if (structureLocation == null) {
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+ throw new IllegalStateException("Could not find a structure for " + structureType);
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+ }
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+ // Paper end
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BlockPos structurePosition = CraftLocation.toBlockPosition(structureLocation);
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// Create map with trackPlayer = true, unlimitedTracking = true
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@@ -2011,6 +2016,31 @@ public final class CraftServer implements Server {
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return CraftItemStack.asBukkitCopy(stack);
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}
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+ // Paper start - copied from above (uses un-deprecated StructureType type)
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+ @Override
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+ public ItemStack createExplorerMap(World world, Location location, org.bukkit.generator.structure.StructureType structureType, org.bukkit.map.MapCursor.Type mapIcon, int radius, boolean findUnexplored) {
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+ Preconditions.checkArgument(world != null, "World cannot be null");
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+ Preconditions.checkArgument(location != null, "Location cannot be null");
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+ Preconditions.checkArgument(structureType != null, "StructureType cannot be null");
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+ Preconditions.checkArgument(mapIcon != null, "mapIcon cannot be null");
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+
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+ ServerLevel worldServer = ((CraftWorld) world).getHandle();
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+ final org.bukkit.util.StructureSearchResult structureSearchResult = world.locateNearestStructure(location, structureType, radius, findUnexplored);
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+ if (structureSearchResult == null) {
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+ return null;
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+ }
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+ Location structureLocation = structureSearchResult.getLocation();
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+ BlockPos structurePosition = new BlockPos(structureLocation.getBlockX(), structureLocation.getBlockY(), structureLocation.getBlockZ());
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+
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+ // Create map with showIcons = true, unlimitedTracking = true
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+ net.minecraft.world.item.ItemStack stack = MapItem.create(worldServer, structurePosition.getX(), structurePosition.getZ(), MapView.Scale.NORMAL.getValue(), true, true);
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+ MapItem.renderBiomePreviewMap(worldServer, stack);
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+ // "+" map ID taken from VillagerTrades$TreasureMapForEmeralds
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+ MapItem.getSavedData(stack, worldServer).addTargetDecoration(stack, structurePosition, "+", CraftMapCursor.CraftType.bukkitToMinecraftHolder(mapIcon));
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+
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+ return CraftItemStack.asBukkitCopy(stack);
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+ }
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+ // Paper end
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@Override
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public void shutdown() {
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