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Purpur/patches/server/0154-Configurable-chance-for-wolves-to-spawn-rabid.patch
jmp 7f4c8f8715 Updated Upstream (Paper) 
Upstream has released updates that appear to apply and compile correctly

Paper Changes:
7232d8f2a EntityLoadCrossbowEvent#shouldConsumeItem
4740bd6c8 Mark PlayerInventory#getItem as nullable
bd9ace578 Add a config option to limit the number of entities of each type to load/save in a chunk (#4792)
6bafeb5a9 Move logic from last patch into correct place
9668118fd disable entity ticking flag after watchdog obliteration
2021-01-14 14:47:12 -08:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Encode42 <me@encode42.dev>
Date: Tue, 8 Dec 2020 17:15:15 -0500
Subject: [PATCH] Configurable chance for wolves to spawn rabid
Configurable chance to spawn a wolf that is rabid.
Rabid wolves attack all players, mobs, and animals.
diff --git a/src/main/java/net/minecraft/server/EntityLiving.java b/src/main/java/net/minecraft/server/EntityLiving.java
index 81e362c6e0b9e6dde5df3f9009ecc8fdc1943789..60216266e9b18871b7b00be55805bce191e2105b 100644
--- a/src/main/java/net/minecraft/server/EntityLiving.java
+++ b/src/main/java/net/minecraft/server/EntityLiving.java
@@ -2094,6 +2094,7 @@ public abstract class EntityLiving extends Entity {
}
}
+ public final void setItemInHand(EnumHand enumHand, ItemStack itemStack) { this.a(enumHand, itemStack); } // Purpur - OBFHELPER
public void a(EnumHand enumhand, ItemStack itemstack) {
if (enumhand == EnumHand.MAIN_HAND) {
this.setSlot(EnumItemSlot.MAINHAND, itemstack);
diff --git a/src/main/java/net/minecraft/server/EntityWolf.java b/src/main/java/net/minecraft/server/EntityWolf.java
index 6c25f667eecdf345289a0dbf885c9d71c6a26958..5fe2e9f4bfbdc08690eacd6196e59529dc7953e8 100644
--- a/src/main/java/net/minecraft/server/EntityWolf.java
+++ b/src/main/java/net/minecraft/server/EntityWolf.java
@@ -14,11 +14,42 @@ public class EntityWolf extends EntityTameableAnimal implements IEntityAngerable
private static final DataWatcherObject<Boolean> br = DataWatcher.a(EntityWolf.class, DataWatcherRegistry.i);
private static final DataWatcherObject<Integer> bs = DataWatcher.a(EntityWolf.class, DataWatcherRegistry.b);
private static final DataWatcherObject<Integer> bt = DataWatcher.a(EntityWolf.class, DataWatcherRegistry.b);
- public static final Predicate<EntityLiving> bq = (entityliving) -> {
+ public static Predicate<EntityLiving> vanillaPredicate() { return bq; } public static final Predicate<EntityLiving> bq = (entityliving) -> { // Purpur - OBFHELPER
EntityTypes<?> entitytypes = entityliving.getEntityType();
return entitytypes == EntityTypes.SHEEP || entitytypes == EntityTypes.RABBIT || entitytypes == EntityTypes.FOX;
};
+ // Purpur start - rabid wolf spawn chance
+ private boolean isRabid = false;
+ private static final Predicate<EntityLiving> RABID_PREDICATE = e -> e instanceof EntityPlayer || e instanceof EntityInsentient;
+ private final PathfinderGoal PATHFINDER_VANILLA = new PathfinderGoalRandomTargetNonTamed<>(this, EntityAnimal.class, false, vanillaPredicate());
+ private final PathfinderGoal PATHFINDER_RABID = new PathfinderGoalRandomTargetNonTamed<>(this, EntityLiving.class, false, RABID_PREDICATE);
+ private static final class PathfinderGoalAvoidRabidWolves extends PathfinderGoalAvoidTarget<EntityWolf> {
+ private final EntityWolf wolf;
+
+ public PathfinderGoalAvoidRabidWolves(EntityWolf wolf, float distance, double minSpeed, double maxSpeed) {
+ super(wolf, EntityWolf.class, distance, minSpeed, maxSpeed);
+ this.wolf = wolf;
+ }
+
+ @Override
+ public boolean a() { // shouldExecute
+ return super.a() && !this.wolf.isRabid() && this.getTarget() != null && this.getTarget().isRabid(); // wolves which are not rabid run away from rabid wolves
+ }
+
+ @Override
+ public void c() { // startExecuting
+ this.wolf.setGoalTarget(null);
+ super.c();
+ }
+
+ @Override
+ public void e() { // tick
+ this.wolf.setGoalTarget(null);
+ super.e();
+ }
+ }
+ // Purpur end
private float bu;
private float bv;
private boolean bw;
@@ -53,6 +84,37 @@ public class EntityWolf extends EntityTameableAnimal implements IEntityAngerable
int getPurpurBreedTime() {
return this.world.purpurConfig.wolfBreedingTicks;
}
+
+ public boolean isRabid() {
+ return this.isRabid;
+ }
+
+ public void setRabid(boolean isRabid) {
+ this.isRabid = isRabid;
+ updatePathfinders(true);
+ }
+
+ public void updatePathfinders(boolean modifyEffects) {
+ this.targetSelector.removeGoal(PATHFINDER_VANILLA);
+ this.targetSelector.removeGoal(PATHFINDER_RABID);
+ if (this.isRabid) {
+ setTamed(false);
+ setOwnerUUID(null);
+ this.targetSelector.addGoal(5, PATHFINDER_RABID);
+ if (modifyEffects) this.addEffect(new MobEffect(MobEffects.CONFUSION, 1200));
+ } else {
+ this.targetSelector.addGoal(5, PATHFINDER_VANILLA);
+ this.pacify();
+ if (modifyEffects) this.removeEffect(MobEffects.CONFUSION);
+ }
+ }
+
+ @Override
+ public GroupDataEntity prepare(WorldAccess worldaccess, DifficultyDamageScaler difficultydamagescaler, EnumMobSpawn enummobspawn, @Nullable GroupDataEntity groupdataentity, @Nullable NBTTagCompound nbttagcompound) {
+ this.isRabid = world.purpurConfig.wolfNaturalRabid > 0.0D && random.nextDouble() <= world.purpurConfig.wolfNaturalRabid;
+ this.updatePathfinders(false);
+ return super.prepare(worldaccess, difficultydamagescaler, enummobspawn, groupdataentity, nbttagcompound);
+ }
// Purpur end
@Override
@@ -61,6 +123,7 @@ public class EntityWolf extends EntityTameableAnimal implements IEntityAngerable
this.goalSelector.a(1, new PathfinderGoalHasRider(this)); // Purpur
this.goalSelector.a(2, new PathfinderGoalSit(this));
this.goalSelector.a(3, new EntityWolf.a<>(this, EntityLlama.class, 24.0F, 1.5D, 1.5D));
+ this.goalSelector.addGoal(3, new PathfinderGoalAvoidRabidWolves(this, 24.0F, 1.5D, 1.5D)); // Purpur
this.goalSelector.a(4, new PathfinderGoalLeapAtTarget(this, 0.4F));
this.goalSelector.a(5, new PathfinderGoalMeleeAttack(this, 1.0D, true));
this.goalSelector.a(6, new PathfinderGoalFollowOwner(this, 1.0D, 10.0F, 2.0F, false));
@@ -74,7 +137,7 @@ public class EntityWolf extends EntityTameableAnimal implements IEntityAngerable
this.targetSelector.a(2, new PathfinderGoalOwnerHurtTarget(this));
this.targetSelector.a(3, (new PathfinderGoalHurtByTarget(this, new Class[0])).a(new Class[0])); // CraftBukkit - decompile error
this.targetSelector.a(4, new PathfinderGoalNearestAttackableTarget<>(this, EntityHuman.class, 10, true, false, this::a_));
- this.targetSelector.a(5, new PathfinderGoalRandomTargetNonTamed<>(this, EntityAnimal.class, false, EntityWolf.bq));
+ //this.targetSelector.a(5, new PathfinderGoalRandomTargetNonTamed<>(this, EntityAnimal.class, false, EntityWolf.bq)); // Purpur - moved to updatePathfinders()
this.targetSelector.a(6, new PathfinderGoalRandomTargetNonTamed<>(this, EntityTurtle.class, false, EntityTurtle.bo));
this.targetSelector.a(7, new PathfinderGoalNearestAttackableTarget<>(this, EntitySkeletonAbstract.class, false));
this.targetSelector.a(8, new PathfinderGoalUniversalAngerReset<>(this, true));
@@ -119,6 +182,7 @@ public class EntityWolf extends EntityTameableAnimal implements IEntityAngerable
public void saveData(NBTTagCompound nbttagcompound) {
super.saveData(nbttagcompound);
nbttagcompound.setByte("CollarColor", (byte) this.getCollarColor().getColorIndex());
+ nbttagcompound.setBoolean("Purpur.IsRabid", this.isRabid); // Purpur
this.c(nbttagcompound);
}
@@ -128,6 +192,10 @@ public class EntityWolf extends EntityTameableAnimal implements IEntityAngerable
if (nbttagcompound.hasKeyOfType("CollarColor", 99)) {
this.setCollarColor(EnumColor.fromColorIndex(nbttagcompound.getInt("CollarColor")));
}
+ // Purpur start
+ this.isRabid = nbttagcompound.getBoolean("Purpur.IsRabid");
+ this.updatePathfinders(false);
+ // Purpur end
this.a((WorldServer) this.world, nbttagcompound);
}
@@ -172,6 +240,11 @@ public class EntityWolf extends EntityTameableAnimal implements IEntityAngerable
public void tick() {
super.tick();
if (this.isAlive()) {
+ // Purpur start
+ if (this.ticksLived % 300 == 0 && this.isRabid()) {
+ this.addEffect(new MobEffect(MobEffects.CONFUSION, 400));
+ }
+ // Purpur end
this.bv = this.bu;
if (this.eY()) {
this.bu += (1.0F - this.bu) * 0.4F;
@@ -343,6 +416,20 @@ public class EntityWolf extends EntityTameableAnimal implements IEntityAngerable
return EnumInteractionResult.SUCCESS;
}
+ // Purpur start
+ else if (this.world.purpurConfig.wolfMilkCuresRabies && itemstack.getItem() == Items.MILK_BUCKET && this.isRabid()) {
+ if (!entityhuman.isCreative()) {
+ entityhuman.setItemInHand(enumhand, new ItemStack(Items.BUCKET));
+ }
+ this.setRabid(false);
+ for (int i = 0; i < 10; ++i) {
+ ((WorldServer) world).sendParticles(((WorldServer) world).players, null, Particles.HAPPY_VILLAGER,
+ locX() + random.nextFloat(), locY() + (random.nextFloat() * 1.5), locZ() + random.nextFloat(), 1,
+ random.nextGaussian() * 0.05D, random.nextGaussian() * 0.05D, random.nextGaussian() * 0.05D, 0, true);
+ }
+ return EnumInteractionResult.SUCCESS;
+ }
+ // Purpur end
return super.b(entityhuman, enumhand);
}
diff --git a/src/main/java/net/minecraft/server/PathfinderGoalAvoidTarget.java b/src/main/java/net/minecraft/server/PathfinderGoalAvoidTarget.java
index 9a4819815c7a4bf2fd4a92c4169ace35f2261704..da29898574d30d5fecc5a44ad7b365564fa686e1 100644
--- a/src/main/java/net/minecraft/server/PathfinderGoalAvoidTarget.java
+++ b/src/main/java/net/minecraft/server/PathfinderGoalAvoidTarget.java
@@ -8,7 +8,7 @@ public class PathfinderGoalAvoidTarget<T extends EntityLiving> extends Pathfinde
protected final EntityCreature a;
private final double i;
private final double j;
- protected T b;
+ protected T b; protected T getTarget() { return this.b; } // Purpur - OBFHELPER
protected final float c;
protected PathEntity d;
protected final NavigationAbstract e;
@@ -18,12 +18,7 @@ public class PathfinderGoalAvoidTarget<T extends EntityLiving> extends Pathfinde
private final PathfinderTargetCondition k;
public PathfinderGoalAvoidTarget(EntityCreature entitycreature, Class<T> oclass, float f, double d0, double d1) {
- Predicate predicate = (entityliving) -> {
- return true;
- };
- Predicate predicate1 = IEntitySelector.e;
-
- this(entitycreature, oclass, predicate, f, d0, d1, predicate1::test);
+ this(entitycreature, oclass, entityliving -> true, f, d0, d1, IEntitySelector.e::test); // Purpur - decompile fix
}
public PathfinderGoalAvoidTarget(EntityCreature entitycreature, Class<T> oclass, Predicate<EntityLiving> predicate, float f, double d0, double d1, Predicate<EntityLiving> predicate1) {
diff --git a/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java b/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java
index fcb7042d55a8942ec9f2aa77f0a67591c179be12..79bbe93e37d9bbdc531f92d94f43277c247111c1 100644
--- a/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java
+++ b/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java
@@ -1141,10 +1141,14 @@ public class PurpurWorldConfig {
public boolean wolfRidable = false;
public boolean wolfRidableInWater = false;
+ public boolean wolfMilkCuresRabies = true;
+ public double wolfNaturalRabid = 0.0D;
public int wolfBreedingTicks = 6000;
private void wolfSettings() {
wolfRidable = getBoolean("mobs.wolf.ridable", wolfRidable);
wolfRidableInWater = getBoolean("mobs.wolf.ridable-in-water", wolfRidableInWater);
+ wolfMilkCuresRabies = getBoolean("mobs.wolf.milk-cures-rabid-wolves", wolfMilkCuresRabies);
+ wolfNaturalRabid = getDouble("mobs.wolf.spawn-rabid-chance", wolfNaturalRabid);
wolfBreedingTicks = getInt("mobs.wolf.breeding-delay-ticks", wolfBreedingTicks);
}
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftWolf.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftWolf.java
index 5f3314febb2300a9b4f3a7c143cb65811e1d5320..507857ba247d0988e0011d215ea38a3622e78e05 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftWolf.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftWolf.java
@@ -45,4 +45,16 @@ public class CraftWolf extends CraftTameableAnimal implements Wolf {
public void setCollarColor(DyeColor color) {
getHandle().setCollarColor(EnumColor.fromColorIndex(color.getWoolData()));
}
+
+ // Purpur start
+ @Override
+ public boolean isRabid() {
+ return getHandle().isRabid();
+ }
+
+ @Override
+ public void setRabid(boolean isRabid) {
+ getHandle().setRabid(isRabid);
+ }
+ // Purpur end
}
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