From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sun, 24 Mar 2019 00:24:52 -0400
Subject: [PATCH] Entity#getEntitySpawnReason
Allows you to return the SpawnReason for why an Entity Spawned
Pre existing entities will return NATURAL if it was a non
persistenting Living Entity, SPAWNER for spawners,
or DEFAULT since data was not stored.
diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
index e46f18e342f2e682c4d5bbac22187a171df8eb33..58c1769ea15249df950a40e2f164e2ff7aeb05bd 100644
--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
@@ -1288,6 +1288,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
return true;
}
// Paper end
+ if (entity.spawnReason == null) entity.spawnReason = spawnReason; // Paper
if (entity.isRemoved()) {
// Paper start
if (DEBUG_ENTITIES) {
diff --git a/src/main/java/net/minecraft/server/players/PlayerList.java b/src/main/java/net/minecraft/server/players/PlayerList.java
index 9f855fcbc9be12f7542557e1c32248748fad14c3..e261521d526cb2192761a0432b28f82c83258540 100644
--- a/src/main/java/net/minecraft/server/players/PlayerList.java
+++ b/src/main/java/net/minecraft/server/players/PlayerList.java
@@ -226,6 +226,11 @@ public abstract class PlayerList {
worldserver1 = worldserver;
+ // Paper start
+ if (nbttagcompound == null) {
+ player.spawnReason = org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.DEFAULT; // set Player SpawnReason to DEFAULT on first login
+ }
+ // Paper end
player.setLevel(worldserver1);
String s1 = "local";
@@ -366,7 +371,7 @@ public abstract class PlayerList {
// CraftBukkit start
ServerLevel finalWorldServer = worldserver1;
Entity entity = EntityType.loadEntityRecursive(nbttagcompound1.getCompound("Entity"), finalWorldServer, (entity1) -> {
- return !finalWorldServer.addWithUUID(entity1) ? null : entity1;
+ return !finalWorldServer.addWithUUID(entity1, org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.MOUNT) ? null : entity1; // Paper
// CraftBukkit end
});
diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index 55658cdb2b5aca0bfebefc7fcec36aefe5f42e7b..7288d6d7f08b2e6b9696948d6c4451f479e419b6 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -234,6 +234,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
+ public org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason spawnReason; // Paper
public com.destroystokyo.paper.loottable.PaperLootableInventoryData lootableData; // Paper
private CraftEntity bukkitEntity;
@@ -2062,6 +2063,9 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
nbt.put("Paper.Origin", this.newDoubleList(origin.getX(), origin.getY(), origin.getZ()));
+ if (spawnReason != null) {
+ nbt.putString("Paper.SpawnReason", spawnReason.name());
// Save entity's from mob spawner status
if (spawnedViaMobSpawner) {
nbt.putBoolean("Paper.FromMobSpawner", true);
@@ -2208,6 +2212,26 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
spawnedViaMobSpawner = nbt.getBoolean("Paper.FromMobSpawner"); // Restore entity's from mob spawner status
+ if (nbt.contains("Paper.SpawnReason")) {
+ String spawnReasonName = nbt.getString("Paper.SpawnReason");
+ try {
+ spawnReason = org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.valueOf(spawnReasonName);
+ } catch (Exception ignored) {
+ LOGGER.error("Unknown SpawnReason " + spawnReasonName + " for " + this);
+ if (spawnReason == null) {
+ if (spawnedViaMobSpawner) {
+ spawnReason = org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.SPAWNER;
+ } else if (this instanceof Mob && (this instanceof net.minecraft.world.entity.animal.Animal || this instanceof net.minecraft.world.entity.animal.AbstractFish) && !((Mob) this).removeWhenFarAway(0.0)) {
+ if (!nbt.getBoolean("PersistenceRequired")) {
+ spawnReason = org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.NATURAL;
+ spawnReason = org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.DEFAULT;
} catch (Throwable throwable) {
diff --git a/src/main/java/net/minecraft/world/level/BaseSpawner.java b/src/main/java/net/minecraft/world/level/BaseSpawner.java
index 405f36e9e115ad44bb91aad885785761786204ca..091c72b95e3c4c3528812ace4aec64d451f25462 100644
--- a/src/main/java/net/minecraft/world/level/BaseSpawner.java
+++ b/src/main/java/net/minecraft/world/level/BaseSpawner.java
@@ -185,6 +185,7 @@ public abstract class BaseSpawner {
// Spigot End
entity.spawnedViaMobSpawner = true; // Paper
+ entity.spawnReason = org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.SPAWNER; // Paper
flag = true; // Paper
// Spigot Start
if (org.bukkit.craftbukkit.event.CraftEventFactory.callSpawnerSpawnEvent(entity, pos).isCancelled()) {
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
index c69f5192f11f8bf080d752971264a01bdb91a30f..02ef4c66b18edd2138a92b609f837664ec20a559 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
@@ -1303,5 +1303,10 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
public boolean fromMobSpawner() {
return getHandle().spawnedViaMobSpawner;
+
+ @Override
+ public org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason getEntitySpawnReason() {
+ return getHandle().spawnReason;