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https://github.com/PaperMC/Paper.git
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This code could get hit by many threads at once, causing multiple chunk loads to convert legacy data, leading to all sorts of fun. Additionally, go ahead and preload it async on world load.
129 lines
6.7 KiB
Diff
129 lines
6.7 KiB
Diff
From 1dbf386fc08f6efe1e5dcdea5c9df5bf427cd8b5 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Sun, 24 Mar 2019 00:24:52 -0400
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Subject: [PATCH] Entity#getEntitySpawnReason
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Allows you to return the SpawnReason for why an Entity Spawned
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Pre existing entities will return NATURAL if it was a non
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persistenting Living Entity, SPAWNER for spawners,
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or DEFAULT since data was not stored.
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diff --git a/src/main/java/net/minecraft/server/ChunkRegionLoader.java b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
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index 7734712af..dce52ac0f 100644
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--- a/src/main/java/net/minecraft/server/ChunkRegionLoader.java
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+++ b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
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@@ -1134,7 +1134,7 @@ public class ChunkRegionLoader implements IChunkLoader, IAsyncChunkSaver {
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while (iterator.hasNext()) {
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Entity entity1 = (Entity) iterator.next();
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- a(entity1, generatoraccess);
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+ a(entity1, generatoraccess, reason); // Paper
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}
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}
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diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
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index 3c2e79b14..0c58a4766 100644
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--- a/src/main/java/net/minecraft/server/Entity.java
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+++ b/src/main/java/net/minecraft/server/Entity.java
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@@ -63,6 +63,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
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}
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};
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List<Entity> entitySlice = null;
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+ public org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason spawnReason;
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// Paper end
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static boolean isLevelAtLeast(NBTTagCompound tag, int level) {
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return tag.hasKey("Bukkit.updateLevel") && tag.getInt("Bukkit.updateLevel") >= level;
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@@ -1671,6 +1672,9 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
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if (origin != null) {
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nbttagcompound.set("Paper.Origin", this.createList(origin.getX(), origin.getY(), origin.getZ()));
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}
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+ if (spawnReason != null) {
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+ nbttagcompound.setString("Paper.SpawnReason", spawnReason.name());
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+ }
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// Save entity's from mob spawner status
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if (spawnedViaMobSpawner) {
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nbttagcompound.setBoolean("Paper.FromMobSpawner", true);
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@@ -1824,6 +1828,26 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
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}
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spawnedViaMobSpawner = nbttagcompound.getBoolean("Paper.FromMobSpawner"); // Restore entity's from mob spawner status
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+ if (nbttagcompound.hasKey("Paper.SpawnReason")) {
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+ String spawnReasonName = nbttagcompound.getString("Paper.SpawnReason");
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+ try {
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+ spawnReason = org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.valueOf(spawnReasonName);
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+ } catch (Exception ignored) {
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+ LogManager.getLogger().error("Unknown SpawnReason " + spawnReasonName + " for " + this);
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+ }
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+ }
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+ if (spawnReason == null) {
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+ if (spawnedViaMobSpawner) {
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+ spawnReason = org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.SPAWNER;
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+ } else if (this instanceof EntityInsentient && this instanceof IAnimal && !((EntityInsentient) this).isTypeNotPersistent()) {
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+ if (!nbttagcompound.getBoolean("PersistenceRequired")) {
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+ spawnReason = org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.NATURAL;
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+ }
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+ }
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+ }
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+ if (spawnReason == null) {
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+ spawnReason = org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.DEFAULT;
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+ }
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// Paper end
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} catch (Throwable throwable) {
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diff --git a/src/main/java/net/minecraft/server/MobSpawnerAbstract.java b/src/main/java/net/minecraft/server/MobSpawnerAbstract.java
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index b2d2de7f8..af38e5396 100644
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--- a/src/main/java/net/minecraft/server/MobSpawnerAbstract.java
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+++ b/src/main/java/net/minecraft/server/MobSpawnerAbstract.java
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@@ -117,7 +117,7 @@ public abstract class MobSpawnerAbstract {
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}
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}
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// Paper end
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- Entity entity = ChunkRegionLoader.a(nbttagcompound, world, d3, d4, d5, false);
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+ Entity entity = ChunkRegionLoader.spawnEntity(nbttagcompound, world, d3, d4, d5, false, org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.SPAWNER); // Paper
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if (entity == null) {
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this.i();
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diff --git a/src/main/java/net/minecraft/server/PlayerList.java b/src/main/java/net/minecraft/server/PlayerList.java
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index b1630137e..df416e3b5 100644
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--- a/src/main/java/net/minecraft/server/PlayerList.java
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+++ b/src/main/java/net/minecraft/server/PlayerList.java
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@@ -196,7 +196,7 @@ public abstract class PlayerList {
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if (nbttagcompound != null && nbttagcompound.hasKeyOfType("RootVehicle", 10)) {
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NBTTagCompound nbttagcompound1 = nbttagcompound.getCompound("RootVehicle");
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- Entity entity = ChunkRegionLoader.a(nbttagcompound1.getCompound("Entity"), worldserver, true);
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+ Entity entity = ChunkRegionLoader.spawnEntity(nbttagcompound1.getCompound("Entity"), worldserver, true, org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.MOUNT); // Paper
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if (entity != null) {
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UUID uuid = nbttagcompound1.a("Attach");
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diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
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index 5b4bce464..2d436feab 100644
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--- a/src/main/java/net/minecraft/server/World.java
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+++ b/src/main/java/net/minecraft/server/World.java
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@@ -1084,6 +1084,7 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
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public boolean addEntity(Entity entity, SpawnReason spawnReason) { // Changed signature, added SpawnReason
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// Paper start
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+ if (entity.spawnReason == null) entity.spawnReason = spawnReason;
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if (regionLimited != null) {
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return regionLimited.addEntity(entity, spawnReason);
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}
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diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
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index d4a8fb16b..51f70c5ee 100644
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--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
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+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
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@@ -845,5 +845,9 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
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public boolean fromMobSpawner() {
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return getHandle().spawnedViaMobSpawner;
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}
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+
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+ public org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason getEntitySpawnReason() {
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+ return getHandle().spawnReason;
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+ }
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// Paper end
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}
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--
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2.21.0
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