fixed spawn reason for spawners (#4843)

Spigot-Server-Patches/0354-Entity-getEntitySpawnReason.patch

@@ -58,8 +58,20 @@ index 9368c4afa7bbb336894d73069b3c0858231d1e81..ae0f5e5a71502c432a4dcaa42a3fc9ee
              // Paper end
  
          } catch (Throwable throwable) {
+diff --git a/src/main/java/net/minecraft/server/MobSpawnerAbstract.java b/src/main/java/net/minecraft/server/MobSpawnerAbstract.java
+index cb7cb789b82461093fbbb4c8ae6d03fcbfe57383..f606382963f79fba8c282fa6ca820a10e9ec598d 100644
+--- a/src/main/java/net/minecraft/server/MobSpawnerAbstract.java
++++ b/src/main/java/net/minecraft/server/MobSpawnerAbstract.java
+@@ -162,6 +162,7 @@ public abstract class MobSpawnerAbstract {
+                             // Spigot End
+                         }
+                         entity.spawnedViaMobSpawner = true; // Paper
++                        entity.spawnReason = org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.SPAWNER; // Paper
+                         // Spigot Start
+                         flag = true; // Paper
+                         if (org.bukkit.craftbukkit.event.CraftEventFactory.callSpawnerSpawnEvent(entity, blockposition).isCancelled()) {
 diff --git a/src/main/java/net/minecraft/server/PlayerList.java b/src/main/java/net/minecraft/server/PlayerList.java
-index 68ec2ef427bee5940c62b61964b5436e6ef425f6..79ab45540081c8e2f5dd1d84c6ae602f3664920f 100644
+index 6c0bd57a75f7fc65f412054529793273940d9ff4..c673f3579f868b4a25a46815877289c568e7763b 100644
 --- a/src/main/java/net/minecraft/server/PlayerList.java
 +++ b/src/main/java/net/minecraft/server/PlayerList.java
 @@ -240,7 +240,7 @@ public abstract class PlayerList {

Spigot-Server-Patches/0364-Mob-Spawner-API-Enhancements.patch

@@ -5,7 +5,7 @@ Subject: [PATCH] Mob Spawner API Enhancements
 
 
 diff --git a/src/main/java/net/minecraft/server/MobSpawnerAbstract.java b/src/main/java/net/minecraft/server/MobSpawnerAbstract.java
-index cb7cb789b82461093fbbb4c8ae6d03fcbfe57383..41001b02a654194c4a8e25ad5f7af8fdd91090b2 100644
+index f606382963f79fba8c282fa6ca820a10e9ec598d..820e470cdf5e6d32edae75520a5f6a5d5462b222 100644
 --- a/src/main/java/net/minecraft/server/MobSpawnerAbstract.java
 +++ b/src/main/java/net/minecraft/server/MobSpawnerAbstract.java
 @@ -47,6 +47,7 @@ public abstract class MobSpawnerAbstract {
@@ -16,7 +16,7 @@ index cb7cb789b82461093fbbb4c8ae6d03fcbfe57383..41001b02a654194c4a8e25ad5f7af8fd
      private boolean h() {
          BlockPosition blockposition = this.b();
  
-@@ -207,6 +208,7 @@ public abstract class MobSpawnerAbstract {
+@@ -208,6 +209,7 @@ public abstract class MobSpawnerAbstract {
          }
      }
  
@@ -24,7 +24,7 @@ index cb7cb789b82461093fbbb4c8ae6d03fcbfe57383..41001b02a654194c4a8e25ad5f7af8fd
      private void i() {
          if (this.maxSpawnDelay <= this.minSpawnDelay) {
              this.spawnDelay = this.minSpawnDelay;
-@@ -224,7 +226,13 @@ public abstract class MobSpawnerAbstract {
+@@ -225,7 +227,13 @@ public abstract class MobSpawnerAbstract {
      }
  
      public void a(NBTTagCompound nbttagcompound) {
@@ -38,7 +38,7 @@ index cb7cb789b82461093fbbb4c8ae6d03fcbfe57383..41001b02a654194c4a8e25ad5f7af8fd
          this.mobs.clear();
          if (nbttagcompound.hasKeyOfType("SpawnPotentials", 9)) {
              NBTTagList nbttaglist = nbttagcompound.getList("SpawnPotentials", 10);
-@@ -239,10 +247,15 @@ public abstract class MobSpawnerAbstract {
+@@ -240,10 +248,15 @@ public abstract class MobSpawnerAbstract {
          } else if (!this.mobs.isEmpty()) {
              this.setSpawnData((MobSpawnerData) WeightedRandom.a(this.a().random, this.mobs));
          }
@@ -57,7 +57,7 @@ index cb7cb789b82461093fbbb4c8ae6d03fcbfe57383..41001b02a654194c4a8e25ad5f7af8fd
              this.spawnCount = nbttagcompound.getShort("SpawnCount");
          }
  
-@@ -267,9 +280,20 @@ public abstract class MobSpawnerAbstract {
+@@ -268,9 +281,20 @@ public abstract class MobSpawnerAbstract {
          if (minecraftkey == null) {
              return nbttagcompound;
          } else {

Spigot-Server-Patches/0398-only-add-passanger-entities-once-from-spawners.patch

@@ -5,10 +5,10 @@ Subject: [PATCH] only add passanger entities once from spawners
 
 
 diff --git a/src/main/java/net/minecraft/server/MobSpawnerAbstract.java b/src/main/java/net/minecraft/server/MobSpawnerAbstract.java
-index 41001b02a654194c4a8e25ad5f7af8fdd91090b2..df494d37be687860878c2709ae7996510118a559 100644
+index 820e470cdf5e6d32edae75520a5f6a5d5462b222..699e4d0d7349a50ee106209c394cdab85356d50b 100644
 --- a/src/main/java/net/minecraft/server/MobSpawnerAbstract.java
 +++ b/src/main/java/net/minecraft/server/MobSpawnerAbstract.java
-@@ -196,7 +196,7 @@ public abstract class MobSpawnerAbstract {
+@@ -197,7 +197,7 @@ public abstract class MobSpawnerAbstract {
      }
  
      private void a(Entity entity) {