Paper/patches/server/0314-Entity-getEntitySpawnReason.patch

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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
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index 043869948201c728bf168855d260b0dca42a0b3a..c64557c70122bff6ea0c8d0b34f62daf680e4334 100644
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--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
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@@ -1111,6 +1111,7 @@ public class ServerLevel extends net.minecraft.world.level.Level implements Worl
return true;
}
// Paper end
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+ if (entity.spawnReason == null) entity.spawnReason = spawnReason; // Paper
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if (entity.isRemoved()) {
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// Paper start
if (DEBUG_ENTITIES) {
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diff --git a/src/main/java/net/minecraft/server/players/PlayerList.java b/src/main/java/net/minecraft/server/players/PlayerList.java
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index ea336bdf2f15aabe74de82ef6c29b93573254e31..da3100d6577166e222164c174b28020541dd8e3a 100644
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--- a/src/main/java/net/minecraft/server/players/PlayerList.java
+++ b/src/main/java/net/minecraft/server/players/PlayerList.java
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@@ -335,7 +335,7 @@ public abstract class PlayerList {
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// CraftBukkit start
ServerLevel finalWorldServer = worldserver1;
Entity entity = EntityType.loadEntityRecursive(nbttagcompound1.getCompound("Entity"), finalWorldServer, (entity1) -> {
- return !finalWorldServer.addWithUUID(entity1) ? null : entity1;
+ return !finalWorldServer.addEntitySerialized(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
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index fcfee0f2b2b073b0c642684fddfb8d3c4eacf4f9..47503fa2feabf6615f250d13f25f080d19c2f560 100644
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--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
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@@ -67,6 +67,8 @@ import net.minecraft.world.InteractionHand;
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import net.minecraft.world.InteractionResult;
import net.minecraft.world.Nameable;
import net.minecraft.world.damagesource.DamageSource;
+import net.minecraft.world.entity.animal.AbstractFish;
+import net.minecraft.world.entity.animal.Animal;
import net.minecraft.world.entity.item.ItemEntity;
import net.minecraft.world.entity.player.Player;
import net.minecraft.world.entity.vehicle.Boat;
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@@ -166,6 +168,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, n
}
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}
};
+ public org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason spawnReason;
// Paper end
public com.destroystokyo.paper.loottable.PaperLootableInventoryData lootableData; // Paper
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@@ -1843,6 +1846,9 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, n
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nbt.setUUID("Paper.OriginWorld", origin.getWorld().getUID());
nbt.put("Paper.Origin", this.newDoubleList(origin.getX(), origin.getY(), origin.getZ()));
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}
+ if (spawnReason != null) {
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+ nbt.putString("Paper.SpawnReason", spawnReason.name());
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+ }
// Save entity's from mob spawner status
if (spawnedViaMobSpawner) {
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nbt.putBoolean("Paper.FromMobSpawner", true);
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@@ -1985,6 +1991,26 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, n
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}
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spawnedViaMobSpawner = nbt.getBoolean("Paper.FromMobSpawner"); // Restore entity's from mob spawner status
+ if (nbt.contains("Paper.SpawnReason")) {
+ String spawnReasonName = nbt.getString("Paper.SpawnReason");
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+ 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 Mob && (this instanceof Animal || this instanceof AbstractFish) && !((Mob) this).removeWhenFarAway(0.0)) {
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+ if (!nbt.getBoolean("PersistenceRequired")) {
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+ 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/world/level/BaseSpawner.java b/src/main/java/net/minecraft/world/level/BaseSpawner.java
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index cfb820636f819a7da56d0302d49f39cea1b5a93d..9a8af1867315840518533381e594fc50542cd72d 100644
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--- a/src/main/java/net/minecraft/world/level/BaseSpawner.java
+++ b/src/main/java/net/minecraft/world/level/BaseSpawner.java
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@@ -188,6 +188,7 @@ public abstract class BaseSpawner {
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// Spigot End
}
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entity.spawnedViaMobSpawner = true; // Paper
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+ 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()) {
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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
index d0774636b151e8dbd778f2e2f2e3de154ff18494..98d3818d38f487fc7e1302ee4af9e4898efec809 100644
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--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
@@ -1164,5 +1164,10 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
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public boolean fromMobSpawner() {
return getHandle().spawnedViaMobSpawner;
}
+
+ @Override
+ public org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason getEntitySpawnReason() {
+ return getHandle().spawnReason;
+ }
// Paper end
}