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Paper/Spigot-Server-Patches/0021-Player-affects-spawning-API.patch
Riley Park 4e958e229f
We're going on an Adventure! (#4842) 
Co-authored-by: Jake Potrebic <jake.m.potrebic@gmail.com>
Co-authored-by: zml <zml@stellardrift.ca>
Co-authored-by: Mariell Hoversholm <proximyst@proximyst.com>
2021-02-21 20:45:33 +01:00

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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/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
index 0f47b10c9c3357f7a462680e2f26d7808a5f8afc..14646561f8fe661ba2b815c1abfb81af61f027d4 100644
--- a/src/main/java/net/minecraft/server/Entity.java
+++ b/src/main/java/net/minecraft/server/Entity.java
@@ -1269,6 +1269,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
return MathHelper.c(f * f + f1 * f1 + f2 * f2);
}
+ public double getDistanceSquared(double x, double y, double z) { return h(x, y, z); } // Paper - OBFHELPER
public double h(double d0, double d1, double d2) {
double d3 = this.locX() - d0;
double d4 = this.locY() - d1;
diff --git a/src/main/java/net/minecraft/server/EntityHuman.java b/src/main/java/net/minecraft/server/EntityHuman.java
index a85daaef5bb7df5abee9670eddec06156ecd0f65..371648709a63b394fb7577722c18d4b9a1738b2b 100644
--- a/src/main/java/net/minecraft/server/EntityHuman.java
+++ b/src/main/java/net/minecraft/server/EntityHuman.java
@@ -68,6 +68,9 @@ public abstract class EntityHuman extends EntityLiving {
private final ItemCooldown bM;
@Nullable
public EntityFishingHook hookedFish;
+ // Paper start
+ public boolean affectsSpawning = true;
+ // Paper end
// CraftBukkit start
public boolean fauxSleeping;
diff --git a/src/main/java/net/minecraft/server/EntityInsentient.java b/src/main/java/net/minecraft/server/EntityInsentient.java
index 15b0d48e9dfe707b2859564b33206085f5a4e0db..a819fc46bebc4b1aaae63f822087574e976e2ab8 100644
--- a/src/main/java/net/minecraft/server/EntityInsentient.java
+++ b/src/main/java/net/minecraft/server/EntityInsentient.java
@@ -691,7 +691,7 @@ public abstract class EntityInsentient extends EntityLiving {
if (this.world.getDifficulty() == EnumDifficulty.PEACEFUL && this.L()) {
this.die();
} else if (!this.isPersistent() && !this.isSpecialPersistence()) {
- EntityHuman entityhuman = this.world.findNearbyPlayer(this, -1.0D);
+ EntityHuman entityhuman = this.world.findNearbyPlayer(this, -1.0D, IEntitySelector.affectsSpawning); // Paper
if (entityhuman != null) {
double d0 = entityhuman.h((Entity) this); // CraftBukkit - decompile error
diff --git a/src/main/java/net/minecraft/server/EntitySilverfish.java b/src/main/java/net/minecraft/server/EntitySilverfish.java
index f5899fc014cfcc4b7e769d51e867ce1eaf625188..28b490cc14f5881eb83acfbd6f30f9163ffe1926 100644
--- a/src/main/java/net/minecraft/server/EntitySilverfish.java
+++ b/src/main/java/net/minecraft/server/EntitySilverfish.java
@@ -95,7 +95,7 @@ public class EntitySilverfish extends EntityMonster {
if (c(entitytypes, generatoraccess, enummobspawn, blockposition, random)) {
EntityHuman entityhuman = generatoraccess.a((double) blockposition.getX() + 0.5D, (double) blockposition.getY() + 0.5D, (double) blockposition.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/server/IEntityAccess.java b/src/main/java/net/minecraft/server/IEntityAccess.java
index f433e1f6e6d430bd35a0fb54ee85295ea06f53bd..14400d0e4b0713e852861ed55e289e4dead95cea 100644
--- a/src/main/java/net/minecraft/server/IEntityAccess.java
+++ b/src/main/java/net/minecraft/server/IEntityAccess.java
@@ -83,8 +83,9 @@ public interface IEntityAccess {
}
}
- @Nullable
- default EntityHuman a(double d0, double d1, double d2, double d3, @Nullable Predicate<Entity> predicate) {
+ default EntityHuman findNearbyPlayer(Entity entity, double d0, @Nullable Predicate<Entity> predicate) { return this.findNearbyPlayer(entity.locX(), entity.locY(), entity.locZ(), d0, predicate); } // Paper
+ @Nullable default EntityHuman findNearbyPlayer(double d0, double d1, double d2, double d3, @Nullable Predicate<Entity> predicate) { return a(d0, d1, d2, d3, predicate); } // Paper - OBFHELPER
+ @Nullable default EntityHuman a(double d0, double d1, double d2, double d3, @Nullable Predicate<Entity> predicate) { // Paper
double d4 = -1.0D;
EntityHuman entityhuman = null;
Iterator iterator = this.getPlayers().iterator();
@@ -117,6 +118,27 @@ public interface IEntityAccess {
return this.a(d0, d1, d2, d3, predicate);
}
+ // Paper end
+ default boolean isAffectsSpawningPlayerNearby(double d0, double d1, double d2, double d3) {
+ Iterator iterator = this.getPlayers().iterator();
+ double d4;
+ do {
+ EntityHuman entityhuman;
+ do {
+ if (!iterator.hasNext()) {
+ return false;
+ }
+
+ entityhuman = (EntityHuman) iterator.next();
+ } while (!IEntitySelector.affectsSpawning.test(entityhuman));
+
+ d4 = entityhuman.getDistanceSquared(d0, d1, d2);
+ } while (d3 >= 0.0D && d4 >= d3 * d3);
+
+ return true;
+ }
+ // Paper end
+
default boolean isPlayerNearby(double d0, double d1, double d2, double d3) {
Iterator iterator = this.getPlayers().iterator();
diff --git a/src/main/java/net/minecraft/server/IEntitySelector.java b/src/main/java/net/minecraft/server/IEntitySelector.java
index 143cfd9e99e9e0639bc32dd19efa84535a1fe03d..ff1ddb4db5406f81453a8f075033d00e06bce6a5 100644
--- a/src/main/java/net/minecraft/server/IEntitySelector.java
+++ b/src/main/java/net/minecraft/server/IEntitySelector.java
@@ -24,6 +24,12 @@ public final class IEntitySelector {
return !entity.isSpectator();
};
+ // Paper start
+ public static final Predicate<Entity> affectsSpawning = (entity) -> {
+ return !entity.isSpectator() && entity.isAlive() && (entity instanceof EntityPlayer) && ((EntityPlayer) entity).affectsSpawning;
+ };
+ // Paper end
+
public static Predicate<Entity> a(double d0, double d1, double d2, double d3) {
double d4 = d3 * d3;
diff --git a/src/main/java/net/minecraft/server/MobSpawnerAbstract.java b/src/main/java/net/minecraft/server/MobSpawnerAbstract.java
index 90af43930f9141b0c7f51bb3d887d7b9c4d935eb..1741ec5e241f8ae7a3c30a9021d14cb0224da840 100644
--- a/src/main/java/net/minecraft/server/MobSpawnerAbstract.java
+++ b/src/main/java/net/minecraft/server/MobSpawnerAbstract.java
@@ -49,7 +49,7 @@ public abstract class MobSpawnerAbstract {
private boolean h() {
BlockPosition blockposition = this.b();
- return this.a().isPlayerNearby((double) blockposition.getX() + 0.5D, (double) blockposition.getY() + 0.5D, (double) blockposition.getZ() + 0.5D, (double) this.requiredPlayerRange);
+ return this.a().isAffectsSpawningPlayerNearby((double) blockposition.getX() + 0.5D, (double) blockposition.getY() + 0.5D, (double) blockposition.getZ() + 0.5D, (double) this.requiredPlayerRange); // Paper
}
public void c() {
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
index 28368aa85e25ad5ee1e35255f093fd3f5a7a15bf..79c070cc790eafbf27ef30f367373406f68a9f7c 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
@@ -1784,8 +1784,20 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
@Override
public String getLocale() {
return 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 (getHandle().playerConnection == null) return;
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