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Stop natural spawning after limit has been reached (#2127)

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Omer Uddin 2019-06-12 22:34:18 -04:00 committed by Zach
parent 89182676ed
commit 68c6699ce9
1 changed files with 98 additions and 0 deletions
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Spigot-Server-Patches/0398-Actually-Limit-Natural-Spawns-To-Limit.patch Normal file
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@ -0,0 +1,98 @@
From 08b35ec086dade9cb81a66f70513b78cceb7050a Mon Sep 17 00:00:00 2001
From: kickash32 <kickash32@gmail.com>
Date: Sun, 2 Jun 2019 01:22:02 -0400
Subject: [PATCH] Actually-Limit-Natural-Spawns-To-Limit
diff --git a/src/main/java/net/minecraft/server/ChunkProviderServer.java b/src/main/java/net/minecraft/server/ChunkProviderServer.java
index 0e941b52..b2705faa 100644
--- a/src/main/java/net/minecraft/server/ChunkProviderServer.java
+++ b/src/main/java/net/minecraft/server/ChunkProviderServer.java
@@ -360,8 +360,12 @@ public class ChunkProviderServer extends IChunkProvider {
if (enumcreaturetype != EnumCreatureType.MISC && (!enumcreaturetype.c() || this.allowAnimals) && (enumcreaturetype.c() || this.allowMonsters) && (!enumcreaturetype.d() || flag2)) {
int k1 = limit * l / ChunkProviderServer.b; // CraftBukkit - use per-world limits
- if (object2intmap.getInt(enumcreaturetype) <= k1) {
- SpawnerCreature.a(enumcreaturetype, (World) this.world, chunk, blockposition);
+ // Paper start - only allow spawns upto the limit per chunk and update count afterwards
+ int currEntityCount = object2intmap.getInt(enumcreaturetype);
+ int difference = k1 - currEntityCount;
+ if (difference > 0) {
+ object2intmap.put(enumcreaturetype, currEntityCount + SpawnerCreature.spawnMobs(enumcreaturetype, world, chunk, blockposition, difference));
+ // Paper end
}
}
}
diff --git a/src/main/java/net/minecraft/server/SpawnerCreature.java b/src/main/java/net/minecraft/server/SpawnerCreature.java
index 94d7bca0..93fec168 100644
--- a/src/main/java/net/minecraft/server/SpawnerCreature.java
+++ b/src/main/java/net/minecraft/server/SpawnerCreature.java
@@ -16,13 +16,20 @@ public final class SpawnerCreature {
private static final Logger LOGGER = LogManager.getLogger();
+ // Paper start - add maxSpawns parameter and update counts
public static void a(EnumCreatureType enumcreaturetype, World world, Chunk chunk, BlockPosition blockposition) {
+ spawnMobs(enumcreaturetype, world, chunk, blockposition, Integer.MAX_VALUE);
+ }
+
+ public static int spawnMobs(EnumCreatureType enumcreaturetype, World world, Chunk chunk, BlockPosition blockposition, int maxSpawns) {
+ // Paper end
ChunkGenerator<?> chunkgenerator = world.getChunkProvider().getChunkGenerator();
int i = 0;
BlockPosition blockposition1 = getRandomPosition(world, chunk);
int j = blockposition1.getX();
int k = blockposition1.getY();
int l = blockposition1.getZ();
+ int amountSpawned = 0; // Paper - keep track of mobs spawned
if (k >= 1) {
IBlockData iblockdata = world.getTypeIfLoadedAndInBounds(blockposition1); // Paper - don't load chunks for mob spawn
@@ -85,7 +92,7 @@ public final class SpawnerCreature {
);
if (!event.callEvent()) {
if (event.shouldAbortSpawn()) {
- return;
+ return amountSpawned; // Paper
}
++i2;
continue;
@@ -104,7 +111,7 @@ public final class SpawnerCreature {
} catch (Exception exception) {
SpawnerCreature.LOGGER.warn("Failed to create mob", exception);
ServerInternalException.reportInternalException(exception); // Paper
- return;
+ return amountSpawned; // Paper
}
entityinsentient.setPositionRotation((double) f, (double) k, (double) f1, world.random.nextFloat() * 360.0F, 0.0F);
@@ -114,10 +121,17 @@ public final class SpawnerCreature {
if (world.addEntity(entityinsentient, SpawnReason.NATURAL)) {
++i;
++i2;
+ // Paper start - stop when limit is reached
+ amountSpawned++;
+ }
+
+ if (amountSpawned >= maxSpawns){
+ return amountSpawned; // Paper
}
+ // Paper end
// CraftBukkit end
if (i >= entityinsentient.dC()) {
- return;
+ return amountSpawned; // Paper
}
if (entityinsentient.c(i2)) {
@@ -142,6 +156,7 @@ public final class SpawnerCreature {
}
}
+ return amountSpawned; // Paper
}
@Nullable
--
2.19.0