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Entity#getEntitySpawnReason

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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.
This commit is contained in:
Aikar 2019-03-24 01:00:55 -04:00
parent 81ff6e67f5
commit e58c65bb37
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GPG Key ID: 401ADFC9891FAAFE
2 changed files with 119 additions and 0 deletions
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30
Spigot-API-Patches/0174-Entity-getEntitySpawnReason.patch Normal file
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@ -0,0 +1,30 @@
From 36b77e861dc654f330fea9b1ea3e1cb426e2eebf Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sun, 24 Mar 2019 00:21:23 -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/org/bukkit/entity/Entity.java b/src/main/java/org/bukkit/entity/Entity.java
index 73b75ffda..161518643 100644
--- a/src/main/java/org/bukkit/entity/Entity.java
+++ b/src/main/java/org/bukkit/entity/Entity.java
@@ -632,5 +632,11 @@ public interface Entity extends Metadatable, CommandSender, Nameable {
*/
@NotNull
Chunk getChunk();
+
+ /**
+ * @return The {@link org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason} that spawned this entity.
+ */
+ @NotNull
+ org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason getEntitySpawnReason();
// Paper end
}
--
2.21.0

89
Spigot-Server-Patches/0423-Entity-getEntitySpawnReason.patch Normal file
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@ -0,0 +1,89 @@
From ec5ec4fe48cee79e40cd54657e888b273607e223 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/Entity.java b/src/main/java/net/minecraft/server/Entity.java
index 3c2e79b14f..0c58a4766a 100644
--- a/src/main/java/net/minecraft/server/Entity.java
+++ b/src/main/java/net/minecraft/server/Entity.java
@@ -63,6 +63,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
}
};
List<Entity> entitySlice = null;
+ public org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason spawnReason;
// Paper end
static boolean isLevelAtLeast(NBTTagCompound tag, int level) {
return tag.hasKey("Bukkit.updateLevel") && tag.getInt("Bukkit.updateLevel") >= level;
@@ -1671,6 +1672,9 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
if (origin != null) {
nbttagcompound.set("Paper.Origin", this.createList(origin.getX(), origin.getY(), origin.getZ()));
}
+ if (spawnReason != null) {
+ nbttagcompound.setString("Paper.SpawnReason", spawnReason.name());
+ }
// Save entity's from mob spawner status
if (spawnedViaMobSpawner) {
nbttagcompound.setBoolean("Paper.FromMobSpawner", true);
@@ -1824,6 +1828,26 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
}
spawnedViaMobSpawner = nbttagcompound.getBoolean("Paper.FromMobSpawner"); // Restore entity's from mob spawner status
+ if (nbttagcompound.hasKey("Paper.SpawnReason")) {
+ String spawnReasonName = nbttagcompound.getString("Paper.SpawnReason");
+ try {
+ spawnReason = org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.valueOf(spawnReasonName);
+ } catch (Exception ignored) {
+ LogManager.getLogger().error("Unknown SpawnReason " + spawnReasonName + " for " + this);
+ }
+ }
+ if (spawnReason == null) {
+ if (spawnedViaMobSpawner) {
+ spawnReason = org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.SPAWNER;
+ } else if (this instanceof EntityInsentient && this instanceof IAnimal && !((EntityInsentient) this).isTypeNotPersistent()) {
+ if (!nbttagcompound.getBoolean("PersistenceRequired")) {
+ spawnReason = org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.NATURAL;
+ }
+ }
+ }
+ if (spawnReason == null) {
+ spawnReason = org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.DEFAULT;
+ }
// Paper end
} catch (Throwable throwable) {
diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
index 0624848ccd..9faed93039 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -1084,6 +1084,7 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
public boolean addEntity(Entity entity, SpawnReason spawnReason) { // Changed signature, added SpawnReason
// Paper start
+ if (entity.spawnReason == null) entity.spawnReason = spawnReason;
if (regionLimited != null) {
return regionLimited.addEntity(entity, spawnReason);
}
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
index d4a8fb16b8..51f70c5eec 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
@@ -845,5 +845,9 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
public boolean fromMobSpawner() {
return getHandle().spawnedViaMobSpawner;
}
+
+ public org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason getEntitySpawnReason() {
+ return getHandle().spawnReason;
+ }
// Paper end
}
--
2.21.0