PaperMC/patches/server/0123-Firework-API-s.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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Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Wed, 28 Dec 2016 07:18:33 +0100
Subject: [PATCH] Firework API's
diff --git a/src/main/java/net/minecraft/world/entity/projectile/FireworkRocketEntity.java b/src/main/java/net/minecraft/world/entity/projectile/FireworkRocketEntity.java
index ba13507263d78d34eb8d3038c437229c0469d476..61252ef8a79bac0ea2d3d231ec6b12166f39d072 100644
--- a/src/main/java/net/minecraft/world/entity/projectile/FireworkRocketEntity.java
+++ b/src/main/java/net/minecraft/world/entity/projectile/FireworkRocketEntity.java
@@ -39,6 +39,7 @@ public class FireworkRocketEntity extends Projectile implements ItemSupplier {
public int lifetime;
@Nullable
public LivingEntity attachedToEntity; // PAIL private -> public
+ public java.util.UUID spawningEntity; // Paper
public FireworkRocketEntity(EntityType<? extends FireworkRocketEntity> type, Level world) {
super(type, world);
@@ -318,6 +319,11 @@ public class FireworkRocketEntity extends Projectile implements ItemSupplier {
}
nbt.putBoolean("ShotAtAngle", (Boolean) this.entityData.get(FireworkRocketEntity.DATA_SHOT_AT_ANGLE));
+ // Paper start
+ if (this.spawningEntity != null) {
+ nbt.putUUID("SpawningEntity", this.spawningEntity);
+ }
+ // Paper end
}
@Override
@@ -334,7 +340,11 @@ public class FireworkRocketEntity extends Projectile implements ItemSupplier {
if (nbt.contains("ShotAtAngle")) {
this.entityData.set(FireworkRocketEntity.DATA_SHOT_AT_ANGLE, nbt.getBoolean("ShotAtAngle"));
}
-
+ // Paper start
+ if (nbt.hasUUID("SpawningEntity")) {
+ this.spawningEntity = nbt.getUUID("SpawningEntity");
+ }
+ // Paper end
}
@Override
diff --git a/src/main/java/net/minecraft/world/item/CrossbowItem.java b/src/main/java/net/minecraft/world/item/CrossbowItem.java
index 17b797a036ac0f58b58f627dc61ac503c8f321db..d86ec8c4c1c3e7974463a545d80ed9744de0fbbb 100644
--- a/src/main/java/net/minecraft/world/item/CrossbowItem.java
+++ b/src/main/java/net/minecraft/world/item/CrossbowItem.java
@@ -220,6 +220,7 @@ public class CrossbowItem extends ProjectileWeaponItem implements Vanishable {
if (flag1) {
object = new FireworkRocketEntity(world, projectile, shooter, shooter.getX(), shooter.getEyeY() - 0.15000000596046448D, shooter.getZ(), true);
+ ((FireworkRocketEntity) object).spawningEntity = shooter.getUUID(); // Paper
} else {
object = CrossbowItem.getArrow(world, shooter, crossbow, projectile);
if (creative || simulated != 0.0F) {
diff --git a/src/main/java/net/minecraft/world/item/FireworkRocketItem.java b/src/main/java/net/minecraft/world/item/FireworkRocketItem.java
index cdf35c5873f68245891241c0efa3bcf5658c3f6d..766af1f45b14654d3655a06ae0bfb0d4cfbdff7a 100644
--- a/src/main/java/net/minecraft/world/item/FireworkRocketItem.java
+++ b/src/main/java/net/minecraft/world/item/FireworkRocketItem.java
@@ -44,6 +44,7 @@ public class FireworkRocketItem extends Item {
Vec3 vec3 = context.getClickLocation();
Direction direction = context.getClickedFace();
FireworkRocketEntity fireworkRocketEntity = new FireworkRocketEntity(level, context.getPlayer(), vec3.x + (double)direction.getStepX() * 0.15D, vec3.y + (double)direction.getStepY() * 0.15D, vec3.z + (double)direction.getStepZ() * 0.15D, itemStack);
+ fireworkRocketEntity.spawningEntity = context.getPlayer() == null ? null : context.getPlayer().getUUID(); // Paper
level.addFreshEntity(fireworkRocketEntity);
itemStack.shrink(1);
}
@@ -57,6 +58,7 @@ public class FireworkRocketItem extends Item {
ItemStack itemStack = user.getItemInHand(hand);
if (!world.isClientSide) {
FireworkRocketEntity fireworkRocketEntity = new FireworkRocketEntity(world, itemStack, user);
+ fireworkRocketEntity.spawningEntity = user.getUUID(); // Paper
world.addFreshEntity(fireworkRocketEntity);
if (!user.getAbilities().instabuild) {
itemStack.shrink(1);
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftFirework.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftFirework.java
index 59d5c314711b4ec239e5bcb4272b11ed72705c5a..c242f654c88ca1773429348939d3bb2ffae3768c 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftFirework.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftFirework.java
@@ -135,4 +135,11 @@ public class CraftFirework extends CraftProjectile implements Firework {
public void setShotAtAngle(boolean shotAtAngle) {
this.getHandle().getEntityData().set(FireworkRocketEntity.DATA_SHOT_AT_ANGLE, shotAtAngle);
}
+
+ // Paper start
+ @Override
+ public java.util.UUID getSpawningEntity() {
+ return getHandle().spawningEntity;
+ }
+ // Paper end
}