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Improve cancelling PreCreatureSpawnEvent with per player mob spawns (#9400)

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This commit is contained in:
Jake Potrebic 2023-08-21 00:44:47 -07:00
parent 183462c9f0
commit 1b4291893f
4 changed files with 125 additions and 11 deletions
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91
patches/server/Improve-cancelling-PreCreatureSpawnEvent-with-per-pl.patch Normal file
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@ -0,0 +1,91 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: kickash32 <kickash32@gmail.com>
Date: Mon, 5 Apr 2021 01:42:35 -0400
Subject: [PATCH] Improve cancelling PreCreatureSpawnEvent with per player mob
spawns
diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/server/level/ChunkMap.java
+++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
@@ -0,0 +0,0 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
}
}
+ // Paper start - per player mob count backoff
+ public void updateFailurePlayerMobTypeMap(int chunkX, int chunkZ, net.minecraft.world.entity.MobCategory mobCategory) {
+ if (!this.level.paperConfig().entities.spawning.perPlayerMobSpawns) {
+ return;
+ }
+ int idx = mobCategory.ordinal();
+ final com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<ServerPlayer> inRange = this.playerMobDistanceMap.getObjectsInRange(chunkX, chunkZ);
+ if (inRange != null) {
+ final Object[] set = inRange.getBackingSet();
+ for (int i = 0; i < set.length; i++) {
+ if (!(set[i] instanceof ServerPlayer serverPlayer)) {
+ continue;
+ }
+ ++serverPlayer.mobBackoffCounts[idx];
+ }
+ }
+ }
+ // Paper end - per player mob count backoff
+
public int getMobCountNear(ServerPlayer entityPlayer, net.minecraft.world.entity.MobCategory mobCategory) {
- return entityPlayer.mobCounts[mobCategory.ordinal()];
+ return entityPlayer.mobCounts[mobCategory.ordinal()] + entityPlayer.mobBackoffCounts[mobCategory.ordinal()]; // Paper - per player mob count backoff
}
// Paper end
diff --git a/src/main/java/net/minecraft/server/level/ServerChunkCache.java b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/server/level/ServerChunkCache.java
+++ b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
@@ -0,0 +0,0 @@ public class ServerChunkCache extends ChunkSource {
if ((this.spawnFriendlies || this.spawnEnemies) && this.chunkMap.playerMobDistanceMap != null) { // don't count mobs when animals and monsters are disabled
// re-set mob counts
for (ServerPlayer player : this.level.players) {
- Arrays.fill(player.mobCounts, 0);
+ // Paper start - per player mob spawning backoff
+ for (int ii = 0; ii < ServerPlayer.MOBCATEGORY_TOTAL_ENUMS; ii++) {
+ player.mobCounts[ii] = 0;
+
+ int newBackoff = player.mobBackoffCounts[ii] - 1; // TODO make configurable bleed // TODO use nonlinear algorithm?
+ if (newBackoff < 0) {
+ newBackoff = 0;
+ }
+ player.mobBackoffCounts[ii] = newBackoff;
+ }
+ // Paper end - per player mob spawning backoff
}
spawnercreature_d = NaturalSpawner.createState(l, this.level.getAllEntities(), this::getFullChunk, null, true);
} else {
diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
@@ -0,0 +0,0 @@ public class ServerPlayer extends Player {
// Paper start - mob spawning rework
public static final int MOBCATEGORY_TOTAL_ENUMS = net.minecraft.world.entity.MobCategory.values().length;
public final int[] mobCounts = new int[MOBCATEGORY_TOTAL_ENUMS]; // Paper
+ public final int[] mobBackoffCounts = new int[MOBCATEGORY_TOTAL_ENUMS]; // Paper - per player mob count backoff
public final com.destroystokyo.paper.util.PooledHashSets.PooledObjectLinkedOpenHashSet<ServerPlayer> cachedSingleMobDistanceMap;
// Paper end
diff --git a/src/main/java/net/minecraft/world/level/NaturalSpawner.java b/src/main/java/net/minecraft/world/level/NaturalSpawner.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/world/level/NaturalSpawner.java
+++ b/src/main/java/net/minecraft/world/level/NaturalSpawner.java
@@ -0,0 +0,0 @@ public final class NaturalSpawner {
// Paper start
PreSpawnStatus doSpawning = isValidSpawnPostitionForType(world, group, structuremanager, chunkgenerator, biomesettingsmobs_c, blockposition_mutableblockposition, d2);
+ // Paper start - mob count backoff
+ if (doSpawning == PreSpawnStatus.ABORT || doSpawning == PreSpawnStatus.CANCELLED) {
+ world.getChunkSource().chunkMap.updateFailurePlayerMobTypeMap(blockposition_mutableblockposition.getX() >> 4, blockposition_mutableblockposition.getZ() >> 4, group);
+ }
+ // Paper end - mob count backoff
if (doSpawning == PreSpawnStatus.ABORT) {
return j; // Paper
}

2
patches/server/Optimise-nearby-player-lookups.patch
View file

@ -320,7 +320,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
+ return squaredDistance <= 576.0D ? false : (world.getSharedSpawnPos().closerToCenterThan(new Vec3((double) pos.getX() + 0.5D, (double) pos.getY(), (double) pos.getZ() + 0.5D), 24.0D) ? false : Objects.equals(new ChunkPos(pos), chunk.getPos()) || world.isNaturalSpawningAllowed((BlockPos) pos)); // Paper - diff on change, copy into caller
}
private static Boolean isValidSpawnPostitionForType(ServerLevel world, MobCategory group, StructureManager structureAccessor, ChunkGenerator chunkGenerator, MobSpawnSettings.SpawnerData spawnEntry, BlockPos.MutableBlockPos pos, double squaredDistance) { // Paper
// Paper start
diff --git a/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java b/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java

37
patches/server/PreCreatureSpawnEvent.patch
View file

@ -138,11 +138,11 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
- if (NaturalSpawner.isValidSpawnPostitionForType(world, group, structuremanager, chunkgenerator, biomesettingsmobs_c, blockposition_mutableblockposition, d2) && checker.test(biomesettingsmobs_c.type, blockposition_mutableblockposition, chunk)) {
+ // Paper start
+ Boolean doSpawning = isValidSpawnPostitionForType(world, group, structuremanager, chunkgenerator, biomesettingsmobs_c, blockposition_mutableblockposition, d2);
+ if (doSpawning == null) {
+ PreSpawnStatus doSpawning = isValidSpawnPostitionForType(world, group, structuremanager, chunkgenerator, biomesettingsmobs_c, blockposition_mutableblockposition, d2);
+ if (doSpawning == PreSpawnStatus.ABORT) {
+ return;
+ }
+ if (doSpawning && checker.test(biomesettingsmobs_c.type, blockposition_mutableblockposition, chunk)) {
+ if (doSpawning == PreSpawnStatus.SUCCESS && checker.test(biomesettingsmobs_c.type, blockposition_mutableblockposition, chunk)) {
+ // Paper end
Mob entityinsentient = NaturalSpawner.getMobForSpawn(world, biomesettingsmobs_c.type);
@ -152,7 +152,15 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
}
- private static boolean isValidSpawnPostitionForType(ServerLevel world, MobCategory group, StructureManager structureAccessor, ChunkGenerator chunkGenerator, MobSpawnSettings.SpawnerData spawnEntry, BlockPos.MutableBlockPos pos, double squaredDistance) {
+ private static Boolean isValidSpawnPostitionForType(ServerLevel world, MobCategory group, StructureManager structureAccessor, ChunkGenerator chunkGenerator, MobSpawnSettings.SpawnerData spawnEntry, BlockPos.MutableBlockPos pos, double squaredDistance) { // Paper
+ // Paper start
+ private enum PreSpawnStatus {
+ FAIL,
+ SUCCESS,
+ CANCELLED,
+ ABORT
+ }
+ private static PreSpawnStatus isValidSpawnPostitionForType(ServerLevel world, MobCategory group, StructureManager structureAccessor, ChunkGenerator chunkGenerator, MobSpawnSettings.SpawnerData spawnEntry, BlockPos.MutableBlockPos pos, double squaredDistance) {
+ // Paper end
EntityType<?> entitytypes = spawnEntry.type;
+ // Paper start
@ -165,12 +173,27 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
+ );
+ if (!event.callEvent()) {
+ if (event.shouldAbortSpawn()) {
+ return null;
+ return PreSpawnStatus.ABORT; // Paper
+ }
+ return false;
+ return PreSpawnStatus.CANCELLED; // Paper
+ }
+ }
+ // Paper end
if (entitytypes.getCategory() == MobCategory.MISC) {
return false;
- return false;
+ return PreSpawnStatus.FAIL; // Paper
} else if (!entitytypes.canSpawnFarFromPlayer() && squaredDistance > (double) (entitytypes.getCategory().getDespawnDistance() * entitytypes.getCategory().getDespawnDistance())) {
- return false;
+ return PreSpawnStatus.FAIL; // Paper
} else if (entitytypes.canSummon() && NaturalSpawner.canSpawnMobAt(world, structureAccessor, chunkGenerator, group, spawnEntry, pos)) {
SpawnPlacements.Type entitypositiontypes_surface = SpawnPlacements.getPlacementType(entitytypes);
- return !NaturalSpawner.isSpawnPositionOk(entitypositiontypes_surface, world, pos, entitytypes) ? false : (!SpawnPlacements.checkSpawnRules(entitytypes, world, MobSpawnType.NATURAL, pos, world.random) ? false : world.noCollision(entitytypes.getAABB((double) pos.getX() + 0.5D, (double) pos.getY(), (double) pos.getZ() + 0.5D)));
+ boolean isValid = !NaturalSpawner.isSpawnPositionOk(entitypositiontypes_surface, world, pos, entitytypes) ? false : (!SpawnPlacements.checkSpawnRules(entitytypes, world, MobSpawnType.NATURAL, pos, world.random) ? false : world.noCollision(entitytypes.getAABB((double) pos.getX() + 0.5D, (double) pos.getY(), (double) pos.getZ() + 0.5D))); // Paper
+ return isValid ? PreSpawnStatus.SUCCESS : PreSpawnStatus.FAIL; // Paper
} else {
- return false;
+ return PreSpawnStatus.FAIL; // Paper
}
}

6
patches/server/implement-optional-per-player-mob-spawns.patch
View file

@ -504,12 +504,12 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
while (k < 3) {
@@ -0,0 +0,0 @@ public final class NaturalSpawner {
// Paper start
Boolean doSpawning = isValidSpawnPostitionForType(world, group, structuremanager, chunkgenerator, biomesettingsmobs_c, blockposition_mutableblockposition, d2);
if (doSpawning == null) {
PreSpawnStatus doSpawning = isValidSpawnPostitionForType(world, group, structuremanager, chunkgenerator, biomesettingsmobs_c, blockposition_mutableblockposition, d2);
if (doSpawning == PreSpawnStatus.ABORT) {
- return;
+ return j; // Paper
}
if (doSpawning && checker.test(biomesettingsmobs_c.type, blockposition_mutableblockposition, chunk)) {
if (doSpawning == PreSpawnStatus.SUCCESS && checker.test(biomesettingsmobs_c.type, blockposition_mutableblockposition, chunk)) {
// Paper end
Mob entityinsentient = NaturalSpawner.getMobForSpawn(world, biomesettingsmobs_c.type);