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https://github.com/PaperMC/Paper.git
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01a13871de
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.
100 lines
4.9 KiB
Diff
100 lines
4.9 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: William Blake Galbreath <blake.galbreath@gmail.com>
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Date: Fri, 19 Apr 2019 12:41:13 -0500
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Subject: [PATCH] Mob Spawner API Enhancements
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diff --git a/src/main/java/net/minecraft/world/level/BaseSpawner.java b/src/main/java/net/minecraft/world/level/BaseSpawner.java
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index c7e97263eee005fd673882e11c436542cb0ca62a..e3d8814cbad30da795632afddf8ebc87eff72106 100644
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--- a/src/main/java/net/minecraft/world/level/BaseSpawner.java
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+++ b/src/main/java/net/minecraft/world/level/BaseSpawner.java
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@@ -235,7 +235,13 @@ public abstract class BaseSpawner {
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}
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public void load(@Nullable Level world, BlockPos pos, CompoundTag nbt) {
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+ // Paper start - use larger int if set
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+ if (nbt.contains("Paper.Delay")) {
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+ this.spawnDelay = nbt.getInt("Paper.Delay");
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+ } else {
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this.spawnDelay = nbt.getShort("Delay");
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+ }
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+ // Paper end
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boolean flag = nbt.contains("SpawnPotentials", 9);
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boolean flag1 = nbt.contains("SpawnData", 10);
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@@ -271,9 +277,15 @@ public abstract class BaseSpawner {
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}
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}
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+ // Paper start - use ints if set
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+ if (nbt.contains("Paper.MinSpawnDelay", 99)) {
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+ this.minSpawnDelay = nbt.getInt("Paper.MinSpawnDelay");
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+ this.maxSpawnDelay = nbt.getInt("Paper.MaxSpawnDelay");
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+ this.spawnCount = nbt.getShort("SpawnCount");
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+ } else // Paper end
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if (nbt.contains("MinSpawnDelay", 99)) {
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- this.minSpawnDelay = nbt.getShort("MinSpawnDelay");
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- this.maxSpawnDelay = nbt.getShort("MaxSpawnDelay");
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+ this.minSpawnDelay = nbt.getInt("MinSpawnDelay"); // Paper - short -> int
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+ this.maxSpawnDelay = nbt.getInt("MaxSpawnDelay"); // Paper - short -> int
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this.spawnCount = nbt.getShort("SpawnCount");
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}
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@@ -290,9 +302,20 @@ public abstract class BaseSpawner {
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}
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public CompoundTag save(CompoundTag nbt) {
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- nbt.putShort("Delay", (short) this.spawnDelay);
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- nbt.putShort("MinSpawnDelay", (short) this.minSpawnDelay);
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- nbt.putShort("MaxSpawnDelay", (short) this.maxSpawnDelay);
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+ // Paper start
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+ if (spawnDelay > Short.MAX_VALUE) {
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+ nbt.putInt("Paper.Delay", this.spawnDelay);
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+ }
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+ nbt.putShort("Delay", (short) Math.min(Short.MAX_VALUE, this.spawnDelay));
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+
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+ if (minSpawnDelay > Short.MAX_VALUE || maxSpawnDelay > Short.MAX_VALUE) {
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+ nbt.putInt("Paper.MinSpawnDelay", this.minSpawnDelay);
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+ nbt.putInt("Paper.MaxSpawnDelay", this.maxSpawnDelay);
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+ }
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+
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+ nbt.putShort("MinSpawnDelay", (short) Math.min(Short.MAX_VALUE, this.minSpawnDelay));
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+ nbt.putShort("MaxSpawnDelay", (short) Math.min(Short.MAX_VALUE, this.maxSpawnDelay));
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+ // Paper nbt
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nbt.putShort("SpawnCount", (short) this.spawnCount);
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nbt.putShort("MaxNearbyEntities", (short) this.maxNearbyEntities);
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nbt.putShort("RequiredPlayerRange", (short) this.requiredPlayerRange);
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diff --git a/src/main/java/org/bukkit/craftbukkit/block/CraftCreatureSpawner.java b/src/main/java/org/bukkit/craftbukkit/block/CraftCreatureSpawner.java
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index 6c427b15f78970912bae881f5aba1cfae2a4ba53..0af969746b1984bd5de0510f815b54815c9322bf 100644
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--- a/src/main/java/org/bukkit/craftbukkit/block/CraftCreatureSpawner.java
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+++ b/src/main/java/org/bukkit/craftbukkit/block/CraftCreatureSpawner.java
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@@ -116,4 +116,28 @@ public class CraftCreatureSpawner extends CraftBlockEntityState<SpawnerBlockEnti
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public void setSpawnRange(int spawnRange) {
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this.getSnapshot().getSpawner().spawnRange = spawnRange;
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}
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+
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+ // Paper start
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+ @Override
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+ public boolean isActivated() {
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+ this.requirePlaced();
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+ return this.getSnapshot().getSpawner().isNearPlayer(this.world.getHandle(), this.getPosition());
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+ }
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+
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+ @Override
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+ public void resetTimer() {
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+ this.requirePlaced();
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+ this.getSnapshot().getSpawner().delay(this.world.getHandle(), this.getPosition());
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+ }
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+
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+ @Override
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+ public void setSpawnedItem(org.bukkit.inventory.ItemStack itemStack) {
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+ Preconditions.checkArgument(itemStack != null && !itemStack.getType().isAir(), "spawners cannot spawn air");
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+ net.minecraft.world.item.ItemStack item = org.bukkit.craftbukkit.inventory.CraftItemStack.asNMSCopy(itemStack);
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+ net.minecraft.nbt.CompoundTag entity = new net.minecraft.nbt.CompoundTag();
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+ entity.putString("id", net.minecraft.core.Registry.ENTITY_TYPE.getKey(net.minecraft.world.entity.EntityType.ITEM).toString());
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+ entity.put("Item", item.save(new net.minecraft.nbt.CompoundTag()));
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+ this.getSnapshot().getSpawner().setNextSpawnData(this.isPlaced() ? this.world.getHandle() : null, this.getPosition(), new net.minecraft.world.level.SpawnData(entity, java.util.Optional.empty()));
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+ }
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+ // Paper end
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}
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