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Paper-Old/Spigot-Server-Patches/0398-Actually-Limit-Natural-Spawns-To-Limit.patch
Spottedleaf 5c7081fecc Update upstream & fix some chunk related issues (#2177)
* Updated Upstream (Bukkit/CraftBukkit)

Upstream has released updates that appears to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
45690fe9 SPIGOT-5047: Correct slot types for 1.14 inventories

CraftBukkit Changes:
4090d01f SPIGOT-5047: Correct slot types for 1.14 inventories
e8c08362 SPIGOT-5046: World#getLoadedChunks returning inaccessible cached chunks.
d445af3b SPIGOT-5067: Add item meta for 1.14 spawn eggs

* Bring Chunk load checks in-line with spigot

As of the last upstream merge spigot now checks ticket level status
when returning loaded chunks for a world from api. Now our checks
will respect that decision.

* Fix spawn ticket levels

Vanilla would keep the inner chunks of spawn available for ticking,
however my changes made all chunks non-ticking. Resolve by changing
ticket levels for spawn chunks inside the border to respect this
behavior.


* Make World#getChunkIfLoadedImmediately return only entity ticking chunks

Mojang appears to be using chunks with level > 33 (non-ticking chunks)
as cached chunks and not actually loaded chunks.

* Bring all loaded checks in line with spigot

Loaded chunks must be at least border  chunks, or level <= 33
2019-06-14 03:27:40 +01:00

99 Zeilen
6.0 KiB
Diff

From effe9ef51b8e5e41276686710dac36c6b35f1c55 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 cdc35b912f..10604cf24d 100644
--- a/src/main/java/net/minecraft/server/ChunkProviderServer.java
+++ b/src/main/java/net/minecraft/server/ChunkProviderServer.java
@@ -412,8 +412,12 @@ 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 94d7bca09d..93fec1685b 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
--
2.21.0