Paper/patches/server/0113-Add-source-to-PlayerExpChangeEvent.patch
Spottedleaf 01a13871de
Rewrite chunk system (#8177)
Patch documentation to come

Issues with the old system that are fixed now:
- World generation does not scale with cpu cores effectively.
- Relies on the main thread for scheduling and maintaining chunk state, dropping chunk load/generate rates at lower tps.
- Unreliable prioritisation of chunk gen/load calls that block the main thread.
- Shutdown logic is utterly unreliable, as it has to wait for all chunks to unload - is it guaranteed that the chunk system is in a state on shutdown that it can reliably do this? Watchdog shutdown also typically failed due to thread checks, which is now resolved.
- Saving of data is not unified (i.e can save chunk data without saving entity data, poses problems for desync if shutdown is really abnormal.
- Entities are not loaded with chunks. This caused quite a bit of headache for Chunk#getEntities API, but now the new chunk system loads entities with chunks so that they are ready whenever the chunk loads in. Effectively brings the behavior back to 1.16 era, but still storing entities in their own separate regionfiles.

The above list is not complete. The patch documentation will complete it.

New chunk system hard relies on starlight and dataconverter, and most importantly the new concurrent utilities in ConcurrentUtil.

Some of the old async chunk i/o interface (i.e the old file io thread reroutes _some_ calls to the new file io thread) is kept for plugin compat reasons. It will be removed in the next major version of minecraft.

The old legacy chunk system patches have been moved to the removed folder in case we need them again.
2022-09-26 01:02:51 -07:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: AlphaBlend <whizkid3000@hotmail.com>
Date: Thu, 8 Sep 2016 08:48:33 -0700
Subject: [PATCH] Add source to PlayerExpChangeEvent
diff --git a/src/main/java/net/minecraft/world/entity/ExperienceOrb.java b/src/main/java/net/minecraft/world/entity/ExperienceOrb.java
index dba0bc7dc8fd1993f45716a398b1ccf52d3d868b..b3433ce9c722bdab81848a6c2d121ca510c48509 100644
--- a/src/main/java/net/minecraft/world/entity/ExperienceOrb.java
+++ b/src/main/java/net/minecraft/world/entity/ExperienceOrb.java
@@ -247,7 +247,7 @@ public class ExperienceOrb extends Entity {
int i = this.repairPlayerItems(player, this.value);
if (i > 0) {
- player.giveExperiencePoints(CraftEventFactory.callPlayerExpChangeEvent(player, i).getAmount()); // CraftBukkit - this.value -> event.getAmount()
+ player.giveExperiencePoints(CraftEventFactory.callPlayerExpChangeEvent(player, this).getAmount()); // CraftBukkit - this.value -> event.getAmount() // Paper - supply experience orb object
}
--this.count;
diff --git a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
index a2e289ac5e3d0d04b65ec3bf03bebbaad585cc24..09a5c7a95f87e35c43d07974f5884e28833f9777 100644
--- a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
+++ b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
@@ -1112,6 +1112,17 @@ public class CraftEventFactory {
return event;
}
+ // Paper start - Add orb
+ public static PlayerExpChangeEvent callPlayerExpChangeEvent(net.minecraft.world.entity.player.Player entity, net.minecraft.world.entity.ExperienceOrb entityOrb) {
+ Player player = (Player) entity.getBukkitEntity();
+ ExperienceOrb source = (ExperienceOrb) entityOrb.getBukkitEntity();
+ int expAmount = source.getExperience();
+ PlayerExpChangeEvent event = new PlayerExpChangeEvent(player, source, expAmount);
+ Bukkit.getPluginManager().callEvent(event);
+ return event;
+ }
+ // Paper end
+
public static boolean handleBlockGrowEvent(Level world, BlockPos pos, net.minecraft.world.level.block.state.BlockState block) {
return CraftEventFactory.handleBlockGrowEvent(world, pos, block, 3);
}