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Paper/patches/server/0030-Player-affects-spawning-API.patch
Jake Potrebic ea0b63992c
Updated Upstream (Bukkit/CraftBukkit/Spigot) (#9228) 
Upstream has released updates that appear 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:
4727d326 Don't let Sign extend SignSide, mark API as experimental
9b29bdcc PR-845: Add preliminary support for multi sided signs

CraftBukkit Changes:
b346a5f6d PR-1170: Add preliminary support for multi sided signs
86c816189 Update SQLite version
d9324b4bc Fix addition of custom smithing trim / transform recipes

Spigot Changes:
7d7b241e Rebuild patches
2023-05-31 16:36:57 -07:00

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Raw Blame History

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jedediah Smith <jedediah@silencegreys.com>
Date: Tue, 1 Mar 2016 14:47:52 -0600
Subject: [PATCH] Player affects spawning API
diff --git a/src/main/java/net/minecraft/world/entity/EntitySelector.java b/src/main/java/net/minecraft/world/entity/EntitySelector.java
index 5c3b11f738c1ea19981cc878aa6c2323497391a0..6fd874a83a248e6a7d427d18d11fc608544662c5 100644
--- a/src/main/java/net/minecraft/world/entity/EntitySelector.java
+++ b/src/main/java/net/minecraft/world/entity/EntitySelector.java
@@ -29,6 +29,11 @@ public final class EntitySelector {
public static final Predicate<Entity> CAN_BE_COLLIDED_WITH = EntitySelector.NO_SPECTATORS.and(Entity::canBeCollidedWith);
private EntitySelector() {}
+ // Paper start
+ public static final Predicate<Entity> PLAYER_AFFECTS_SPAWNING = (entity) -> {
+ return !entity.isSpectator() && entity.isAlive() && entity instanceof Player player && player.affectsSpawning;
+ };
+ // Paper end
public static Predicate<Entity> withinDistance(double x, double y, double z, double max) {
double d4 = max * max;
diff --git a/src/main/java/net/minecraft/world/entity/Mob.java b/src/main/java/net/minecraft/world/entity/Mob.java
index 9feb422045c5c47bbf48a5f75f437e51f19e1595..e06dc3f6c03276afb2ab3e0ec24cba707e09a24e 100644
--- a/src/main/java/net/minecraft/world/entity/Mob.java
+++ b/src/main/java/net/minecraft/world/entity/Mob.java
@@ -837,7 +837,7 @@ public abstract class Mob extends LivingEntity implements Targeting {
if (this.level.getDifficulty() == Difficulty.PEACEFUL && this.shouldDespawnInPeaceful()) {
this.discard();
} else if (!this.isPersistenceRequired() && !this.requiresCustomPersistence()) {
- Player entityhuman = this.level.getNearestPlayer(this, -1.0D);
+ Player entityhuman = this.level.findNearbyPlayer(this, -1.0D, EntitySelector.PLAYER_AFFECTS_SPAWNING); // Paper
if (entityhuman != null) {
double d0 = entityhuman.distanceToSqr((Entity) this);
diff --git a/src/main/java/net/minecraft/world/entity/animal/horse/SkeletonTrapGoal.java b/src/main/java/net/minecraft/world/entity/animal/horse/SkeletonTrapGoal.java
index e368478dba01a9b11adf23ed64bed61c73a78a28..17fda4857f74d2994525262472700e7788dec383 100644
--- a/src/main/java/net/minecraft/world/entity/animal/horse/SkeletonTrapGoal.java
+++ b/src/main/java/net/minecraft/world/entity/animal/horse/SkeletonTrapGoal.java
@@ -25,7 +25,7 @@ public class SkeletonTrapGoal extends Goal {
@Override
public boolean canUse() {
- return this.horse.level.hasNearbyAlivePlayer(this.horse.getX(), this.horse.getY(), this.horse.getZ(), 10.0D);
+ return this.horse.level.hasNearbyAlivePlayerThatAffectsSpawning(this.horse.getX(), this.horse.getY(), this.horse.getZ(), 10.0D); // Paper - Affects Spawning API
}
@Override
diff --git a/src/main/java/net/minecraft/world/entity/monster/Silverfish.java b/src/main/java/net/minecraft/world/entity/monster/Silverfish.java
index b5ee60c62cf1b8c59fdd7c8e6934321453015fd6..23ded94c7c7e4f96951e281efff499f1c61ec5c0 100644
--- a/src/main/java/net/minecraft/world/entity/monster/Silverfish.java
+++ b/src/main/java/net/minecraft/world/entity/monster/Silverfish.java
@@ -127,7 +127,7 @@ public class Silverfish extends Monster {
if (checkAnyLightMonsterSpawnRules(type, world, spawnReason, pos, random)) {
Player entityhuman = world.getNearestPlayer((double) pos.getX() + 0.5D, (double) pos.getY() + 0.5D, (double) pos.getZ() + 0.5D, 5.0D, true);
- return entityhuman == null;
+ return !(entityhuman != null && !entityhuman.affectsSpawning) && entityhuman == null; // Paper - Affects Spawning API
} else {
return false;
}
diff --git a/src/main/java/net/minecraft/world/entity/monster/Zombie.java b/src/main/java/net/minecraft/world/entity/monster/Zombie.java
index 8ea60d388fff4a6368652ff96f648e5880053a2b..8ecbb64f9db9346757c5597404489496a0945508 100644
--- a/src/main/java/net/minecraft/world/entity/monster/Zombie.java
+++ b/src/main/java/net/minecraft/world/entity/monster/Zombie.java
@@ -325,7 +325,7 @@ public class Zombie extends Monster {
if (NaturalSpawner.isSpawnPositionOk(entitypositiontypes_surface, this.level, blockposition, entitytypes) && SpawnPlacements.checkSpawnRules(entitytypes, worldserver, MobSpawnType.REINFORCEMENT, blockposition, this.level.random)) {
entityzombie.setPos((double) i1, (double) j1, (double) k1);
- if (!this.level.hasNearbyAlivePlayer((double) i1, (double) j1, (double) k1, 7.0D) && this.level.isUnobstructed(entityzombie) && this.level.noCollision((Entity) entityzombie) && !this.level.containsAnyLiquid(entityzombie.getBoundingBox())) {
+ if (!this.level.hasNearbyAlivePlayerThatAffectsSpawning((double) i1, (double) j1, (double) k1, 7.0D) && this.level.isUnobstructed(entityzombie) && this.level.noCollision((Entity) entityzombie) && !this.level.containsAnyLiquid(entityzombie.getBoundingBox())) { // Paper - Affects Spawning API
entityzombie.setTarget(entityliving, EntityTargetEvent.TargetReason.REINFORCEMENT_TARGET, true); // CraftBukkit
entityzombie.finalizeSpawn(worldserver, this.level.getCurrentDifficultyAt(entityzombie.blockPosition()), MobSpawnType.REINFORCEMENT, (SpawnGroupData) null, (CompoundTag) null);
worldserver.addFreshEntityWithPassengers(entityzombie, CreatureSpawnEvent.SpawnReason.REINFORCEMENTS); // CraftBukkit
diff --git a/src/main/java/net/minecraft/world/entity/player/Player.java b/src/main/java/net/minecraft/world/entity/player/Player.java
index 018abaa48614ce2d25df2085bbb65b0b6e0312e7..b36a601ac792f2b1a51f0ae72ae12d992ac38d61 100644
--- a/src/main/java/net/minecraft/world/entity/player/Player.java
+++ b/src/main/java/net/minecraft/world/entity/player/Player.java
@@ -182,6 +182,9 @@ public abstract class Player extends LivingEntity {
@Nullable
public FishingHook fishing;
protected float hurtDir;
+ // Paper start
+ public boolean affectsSpawning = true;
+ // Paper end
// CraftBukkit start
public boolean fauxSleeping;
diff --git a/src/main/java/net/minecraft/world/level/BaseSpawner.java b/src/main/java/net/minecraft/world/level/BaseSpawner.java
index 776dfbf3b33317370db3b50b8bbb95823344ee06..7b60c13cbe3d2a0d0657391a7b6be4e3706720fa 100644
--- a/src/main/java/net/minecraft/world/level/BaseSpawner.java
+++ b/src/main/java/net/minecraft/world/level/BaseSpawner.java
@@ -54,7 +54,7 @@ public abstract class BaseSpawner {
}
public boolean isNearPlayer(Level world, BlockPos pos) {
- return world.hasNearbyAlivePlayer((double) pos.getX() + 0.5D, (double) pos.getY() + 0.5D, (double) pos.getZ() + 0.5D, (double) this.requiredPlayerRange);
+ return world.hasNearbyAlivePlayerThatAffectsSpawning((double) pos.getX() + 0.5D, (double) pos.getY() + 0.5D, (double) pos.getZ() + 0.5D, (double) this.requiredPlayerRange); // Paper - Affects Spawning API
}
public void clientTick(Level world, BlockPos pos) {
diff --git a/src/main/java/net/minecraft/world/level/EntityGetter.java b/src/main/java/net/minecraft/world/level/EntityGetter.java
index be6e3e21ad62da01e5e2dd78e300cbc8efdbeb42..ea98625fe7c00743b8df74a24e6d4b75df4189a5 100644
--- a/src/main/java/net/minecraft/world/level/EntityGetter.java
+++ b/src/main/java/net/minecraft/world/level/EntityGetter.java
@@ -82,6 +82,11 @@ public interface EntityGetter {
}
}
+ // Paper start
+ default @Nullable Player findNearbyPlayer(Entity entity, double maxDistance, @Nullable Predicate<Entity> predicate) {
+ return this.getNearestPlayer(entity.getX(), entity.getY(), entity.getZ(), maxDistance, predicate);
+ }
+ // Paper end
@Nullable
default Player getNearestPlayer(double x, double y, double z, double maxDistance, @Nullable Predicate<Entity> targetPredicate) {
double d = -1.0D;
@@ -111,6 +116,20 @@ public interface EntityGetter {
return this.getNearestPlayer(x, y, z, maxDistance, predicate);
}
+ // Paper start
+ default boolean hasNearbyAlivePlayerThatAffectsSpawning(double x, double y, double z, double range) {
+ for (Player player : this.players()) {
+ if (EntitySelector.PLAYER_AFFECTS_SPAWNING.test(player)) { // combines NO_SPECTATORS and LIVING_ENTITY_STILL_ALIVE with an "affects spawning" check
+ double distanceSqr = player.distanceToSqr(x, y, z);
+ if (range < 0.0D || distanceSqr < range * range) {
+ return true;
+ }
+ }
+ }
+ return false;
+ }
+ // Paper end
+
default boolean hasNearbyAlivePlayer(double x, double y, double z, double range) {
for(Player player : this.players()) {
if (EntitySelector.NO_SPECTATORS.test(player) && EntitySelector.LIVING_ENTITY_STILL_ALIVE.test(player)) {
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
index 5237eb9d18fa3ed0474b9c3aa166058c21a66d5e..50612858a0000d488dd9838ebd79403e1edd03e4 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
@@ -2238,8 +2238,20 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
@Override
public String getLocale() {
return this.getHandle().locale;
+
+ }
+
+ // Paper start
+ public void setAffectsSpawning(boolean affects) {
+ this.getHandle().affectsSpawning = affects;
}
+ @Override
+ public boolean getAffectsSpawning() {
+ return this.getHandle().affectsSpawning;
+ }
+ // Paper end
+
@Override
public void updateCommands() {
if (this.getHandle().connection == null) return;
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