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193b21821053852e6e303b0cd496d78323191897
Purpur/patches/server/0024-Phantoms-attracted-to-crystals-and-crystals-shoot-ph.patch
William Blake Galbreath 193b218210 Updated Upstream (Paper) 
Upstream has released updates that appears to apply and compile correctly

Paper Changes:
979b53a7 Do not allow bee's to load chunks for beehives
13cb8373 Remote Connections shouldn't hold up shutdown
7dac5467 Fix bug in double register fix
87829d83 Remove incorrect IO flush for save-all that doesn't have flush parameter
31e751cb Fix unregistering entities from unloading chunks
bc351f6e Ensure Entity is never double registered
2ec0274b Fix many issues with dupe uuid resolve patch
756da10d (Actually) Don't duplicate velocity entry into hidden-configs
9b3679fb Don't duplicate velocity entry into hidden-configs
28cf6540 Pillager patrol spawn settings and per player options (#2924)
6bf04cd5 Reduce entity tracker updates on move
2020-03-31 19:27:23 -05:00

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From 43f02f8755a7d3a4203d31857f8ce9b2fea83c8b Mon Sep 17 00:00:00 2001
From: William Blake Galbreath <blake.galbreath@gmail.com>
Date: Thu, 9 May 2019 18:26:06 -0500
Subject: [PATCH] Phantoms attracted to crystals and crystals shoot phantoms
---
.../net/minecraft/server/DamageSource.java | 1 +
.../java/net/minecraft/server/Entity.java | 8 +-
.../minecraft/server/EntityEnderCrystal.java | 49 +++++
.../net/minecraft/server/EntityPhantom.java | 174 +++++++++++++++++-
.../net/minecraft/server/IEntityAccess.java | 1 +
.../net/pl3x/purpur/PurpurWorldConfig.java | 6 +
6 files changed, 228 insertions(+), 11 deletions(-)
diff --git a/src/main/java/net/minecraft/server/DamageSource.java b/src/main/java/net/minecraft/server/DamageSource.java
index f7344d3ae..f6c0165f9 100644
--- a/src/main/java/net/minecraft/server/DamageSource.java
+++ b/src/main/java/net/minecraft/server/DamageSource.java
@@ -82,6 +82,7 @@ public class DamageSource {
return (new EntityDamageSourceIndirect("thrown", entity, entity1)).c();
}
+ public static DamageSource indirectMagic(Entity entity, @Nullable Entity owner) { return c(entity, owner); } // Purpur - OBFHELPER
public static DamageSource c(Entity entity, @Nullable Entity entity1) {
return (new EntityDamageSourceIndirect("indirectMagic", entity, entity1)).setIgnoreArmor().setMagic();
}
diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
index 517a3abe8..1c96e1b02 100644
--- a/src/main/java/net/minecraft/server/Entity.java
+++ b/src/main/java/net/minecraft/server/Entity.java
@@ -1386,6 +1386,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
return d3 * d3 + d4 * d4 + d5 * d5;
}
+ public double getDistanceSq(Entity entity) { return this.h(entity); } // Purpur - OBFHELPER
public double h(Entity entity) {
return this.c(entity.getPositionVector());
}
@@ -1909,14 +1910,13 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
return this.a(new ItemStack(imaterial), (float) i);
}
- @Nullable
- public EntityItem a(ItemStack itemstack) {
+ @Nullable public EntityItem dropItem(ItemStack itemstack) { return this.a(itemstack); } // Purpur - OBFHELPER
+ @Nullable public EntityItem a(ItemStack itemstack) {
return this.a(itemstack, 0.0F);
}
@Nullable public final EntityItem dropItem(ItemStack itemstack, float offset) { return this.a(itemstack, offset); } // Paper - OBFHELPER
- @Nullable
- public EntityItem a(ItemStack itemstack, float f) {
+ @Nullable public EntityItem a(ItemStack itemstack, float f) {
if (itemstack.isEmpty()) {
return null;
} else if (this.world.isClientSide) {
diff --git a/src/main/java/net/minecraft/server/EntityEnderCrystal.java b/src/main/java/net/minecraft/server/EntityEnderCrystal.java
index a57d0089d..02952c3af 100644
--- a/src/main/java/net/minecraft/server/EntityEnderCrystal.java
+++ b/src/main/java/net/minecraft/server/EntityEnderCrystal.java
@@ -13,6 +13,12 @@ public class EntityEnderCrystal extends Entity {
private static final DataWatcherObject<Optional<BlockPosition>> c = DataWatcher.a(EntityEnderCrystal.class, DataWatcherRegistry.m);
private static final DataWatcherObject<Boolean> d = DataWatcher.a(EntityEnderCrystal.class, DataWatcherRegistry.i);
public int b;
+ // Purpur start
+ private EntityPhantom targetPhantom;
+ private int phantomBeamTicks = 0;
+ private int phantomDamageCooldown = 0;
+ private int idleCooldown = 0;
+ // Purpur end
public EntityEnderCrystal(EntityTypes<? extends EntityEnderCrystal> entitytypes, World world) {
super(entitytypes, world);
@@ -51,7 +57,50 @@ public class EntityEnderCrystal extends Entity {
}
}
+ // Purpur start
+ if (world.purpurConfig.phantomAttackedByCrystalRadius <= 0 || --idleCooldown > 0) {
+ return; // on cooldown
+ }
+
+ if (targetPhantom == null) {
+ for (EntityPhantom phantom : world.getEntitiesByClass(EntityPhantom.class, getBoundingBox().grow(world.purpurConfig.phantomAttackedByCrystalRadius))) {
+ if (phantom.hasLineOfSight(this)) {
+ attackPhantom(phantom);
+ break;
+ }
+ }
+ } else {
+ setBeamTarget(new BlockPosition(targetPhantom).add(0, -2, 0));
+ if (--phantomBeamTicks > 0 && targetPhantom.isAlive()) {
+ phantomDamageCooldown--;
+ if (targetPhantom.hasLineOfSight(this)) {
+ if (phantomDamageCooldown <= 0) {
+ phantomDamageCooldown = 20;
+ targetPhantom.damageEntity(DamageSource.indirectMagic(this, this), world.purpurConfig.phantomAttackedByCrystalDamage);
+ }
+ } else {
+ forgetPhantom(); // no longer in sight
+ }
+ } else {
+ forgetPhantom(); // attacked long enough
+ }
+ }
+ }
+
+ private void attackPhantom(EntityPhantom phantom) {
+ phantomDamageCooldown = 0;
+ phantomBeamTicks = 60;
+ targetPhantom = phantom;
+ }
+
+ private void forgetPhantom() {
+ targetPhantom = null;
+ setBeamTarget(null);
+ phantomBeamTicks = 0;
+ phantomDamageCooldown = 0;
+ idleCooldown = 60;
}
+ // Purpur end
@Override
protected void b(NBTTagCompound nbttagcompound) {
diff --git a/src/main/java/net/minecraft/server/EntityPhantom.java b/src/main/java/net/minecraft/server/EntityPhantom.java
index cb5eed878..580c48b34 100644
--- a/src/main/java/net/minecraft/server/EntityPhantom.java
+++ b/src/main/java/net/minecraft/server/EntityPhantom.java
@@ -8,9 +8,10 @@ import javax.annotation.Nullable;
public class EntityPhantom extends EntityFlying implements IMonster {
private static final DataWatcherObject<Integer> b = DataWatcher.a(EntityPhantom.class, DataWatcherRegistry.b);
- private Vec3D c;
- private BlockPosition d;
- private EntityPhantom.AttackPhase bw;
+ private Vec3D c; public void setHomeOffset(Vec3D offset) { this.c = offset; } public Vec3D getHomeOffset() { return this.c; } // Purpur - OBFHELPER
+ private BlockPosition d; public void setHome(BlockPosition home) { this.d = home; } public BlockPosition getHome() { return this.d; } // Purpur - OBFHELPER
+ private EntityPhantom.AttackPhase bw; public AttackPhase getAttackPhase() { return this.bw; } // Purpur - OBFHELPER
+ private BlockPosition crystalPosition; // Purpur
public EntityPhantom(EntityTypes<? extends EntityPhantom> entitytypes, World world) {
super(entitytypes, world);
@@ -63,12 +64,18 @@ public class EntityPhantom extends EntityFlying implements IMonster {
@Override
protected void initPathfinder() {
+ // Purpur start
this.goalSelector.a(0, new net.pl3x.purpur.pathfinder.PathfinderGoalHasRider(this)); // Purpur
- this.goalSelector.a(1, new EntityPhantom.c());
- this.goalSelector.a(2, new EntityPhantom.i());
- this.goalSelector.a(3, new EntityPhantom.e());
+ if (world.purpurConfig.phantomOrbitCrystalRadius > 0) {
+ this.goalSelector.a(1, new FindCrystalGoal(this));
+ this.goalSelector.a(2, new OrbitCrystalGoal(this));
+ }
+ this.goalSelector.a(3, new EntityPhantom.c()); // PickAttackGoal
+ this.goalSelector.a(4, new EntityPhantom.i()); // SweepAttackGoal
+ this.goalSelector.a(5, new EntityPhantom.e()); // OrbitPointGoal
this.targetSelector.a(0, new net.pl3x.purpur.pathfinder.PathfinderGoalHasRider(this)); // Purpur
- this.targetSelector.a(1, new EntityPhantom.b());
+ this.targetSelector.a(1, new EntityPhantom.b()); // AttackPlayerGoal
+ // Purpur end
}
@Override
@@ -158,6 +165,26 @@ public class EntityPhantom extends EntityFlying implements IMonster {
super.mobTick();
}
+ // Purpur start
+ @Override
+ protected LootTableInfo.Builder a(boolean wasRecentlyHit, DamageSource damagesource) { // dropLoot
+ boolean dropped = false;
+ if (killer == null && damagesource.getEntity() instanceof EntityEnderCrystal) {
+ if (random.nextInt(5) < 1) { // 1 out of 5 chance (20%)
+ dropped = dropItem(new ItemStack(Items.PHANTOM_MEMBRANE)) != null;
+ }
+ }
+ if (!dropped) {
+ return super.a(wasRecentlyHit, damagesource); // dropLoot
+ }
+ return new LootTableInfo.Builder((WorldServer) world);
+ }
+
+ public boolean isCirclingCrystal() {
+ return crystalPosition != null;
+ }
+ // Purpur end
+
@Override
public GroupDataEntity prepare(GeneratorAccess generatoraccess, DifficultyDamageScaler difficultydamagescaler, EnumMobSpawn enummobspawn, @Nullable GroupDataEntity groupdataentity, @Nullable NBTTagCompound nbttagcompound) {
this.d = (new BlockPosition(this)).up(5);
@@ -246,6 +273,136 @@ public class EntityPhantom extends EntityFlying implements IMonster {
}
// Paper end
+ // Purpur start
+ class FindCrystalGoal extends PathfinderGoal {
+ private final EntityPhantom phantom;
+ private EntityEnderCrystal crystal;
+ private java.util.Comparator<EntityEnderCrystal> comparator;
+
+ FindCrystalGoal(EntityPhantom phantom) {
+ this.phantom = phantom;
+ comparator = java.util.Comparator.comparingDouble(phantom::h);
+ this.a(EnumSet.of(PathfinderGoal.Type.LOOK));
+ }
+
+ @Override
+ public boolean a() { // shouldExecute
+ double range = maxTargetRange();
+ List<EntityEnderCrystal> crystals = world.getEntitiesByClass(EntityEnderCrystal.class, phantom.getBoundingBox().grow(range));
+ if (crystals.isEmpty()) {
+ return false;
+ }
+ crystals.sort(comparator);
+ crystal = crystals.get(0);
+ if (phantom.getDistanceSq(crystal) > range * range) {
+ crystal = null;
+ return false;
+ }
+ return true;
+ }
+
+ @Override
+ public boolean b() { // shouldContinueExecuting
+ if (crystal == null || !crystal.isAlive()) {
+ return false;
+ }
+ double range = maxTargetRange();
+ return phantom.getDistanceSq(crystal) <= (range * range) * 2;
+ }
+
+ @Override
+ public void c() { // startExecuting
+ phantom.crystalPosition = new BlockPosition(crystal).add(0, phantom.getRandom().nextInt(10) + 10, 0);
+ }
+
+ @Override
+ public void d() { // resetTask
+ crystal = null;
+ phantom.crystalPosition = null;
+ super.d();
+ }
+
+ private double maxTargetRange() {
+ return phantom.world.purpurConfig.phantomOrbitCrystalRadius;
+ }
+
+ class DistanceComparator implements java.util.Comparator<Entity> {
+ private final Entity entity;
+
+ public DistanceComparator(Entity entity) {
+ this.entity = entity;
+ }
+
+ public int compare(Entity entity1, Entity entity2) {
+ return Double.compare(entity.getDistanceSq(entity1), entity.getDistanceSq(entity2));
+ }
+ }
+ }
+
+ class OrbitCrystalGoal extends PathfinderGoal {
+ private final EntityPhantom phantom;
+ private float offset;
+ private float radius;
+ private float verticalChange;
+ private float direction;
+
+ OrbitCrystalGoal(EntityPhantom phantom) {
+ this.phantom = phantom;
+ this.a(EnumSet.of(PathfinderGoal.Type.MOVE));
+ }
+
+ @Override
+ public boolean a() { // shouldExecute
+ return phantom.isCirclingCrystal();
+ }
+
+ @Override
+ public void c() { // startExecuting
+ this.radius = 5.0F + phantom.random.nextFloat() * 10.0F;
+ this.verticalChange = -4.0F + phantom.random.nextFloat() * 9.0F;
+ this.direction = phantom.random.nextBoolean() ? 1.0F : -1.0F;
+ updateOffset();
+ }
+
+ @Override
+ public void e() { // tick
+ if (phantom.random.nextInt(350) == 0) {
+ this.verticalChange = -4.0F + phantom.random.nextFloat() * 9.0F;
+ }
+ if (phantom.random.nextInt(250) == 0) {
+ ++this.radius;
+ if (this.radius > 15.0F) {
+ this.radius = 5.0F;
+ this.direction = -this.direction;
+ }
+ }
+ if (phantom.random.nextInt(450) == 0) {
+ this.offset = phantom.random.nextFloat() * 2.0F * 3.1415927F;
+ updateOffset();
+ }
+ if (phantom.getHomeOffset().c(phantom.locX(), phantom.locY(), phantom.locZ()) < 4.0D) {
+ updateOffset();
+ }
+ if (phantom.getHomeOffset().y < phantom.locY() && !phantom.world.isEmpty((new BlockPosition(phantom)).down(1))) {
+ this.verticalChange = Math.max(1.0F, this.verticalChange);
+ updateOffset();
+ }
+ if (phantom.getHomeOffset().y > phantom.locY() && !phantom.world.isEmpty((new BlockPosition(phantom)).up(1))) {
+ this.verticalChange = Math.min(-1.0F, this.verticalChange);
+ updateOffset();
+ }
+ }
+
+ private void updateOffset() {
+ this.offset += this.direction * 15.0F * 0.017453292F;
+ phantom.setHomeOffset(new Vec3D(phantom.crystalPosition).add(
+ (double) (this.radius * MathHelper.cos(this.offset)),
+ (double) (-4.0F + this.verticalChange),
+ (double) (this.radius * MathHelper.sin(this.offset))));
+ }
+ }
+ // Purpur end
+
class b extends PathfinderGoal {
private final PathfinderTargetCondition b;
@@ -259,6 +416,7 @@ public class EntityPhantom extends EntityFlying implements IMonster {
@Override
public boolean a() {
if (getRider() != null) return false; // Purpur - pathfinder does not have a flag
+ if (isCirclingCrystal()) return false; // Purpur - pathfinder does not have a flag
if (this.c > 0) {
--this.c;
return false;
@@ -290,6 +448,7 @@ public class EntityPhantom extends EntityFlying implements IMonster {
@Override
public boolean b() {
if (getRider() != null) return false; // Purpur - pathfinder does not have a flag
+ if (isCirclingCrystal()) return false; // Purpur - pathfinder does not have a flag
EntityLiving entityliving = EntityPhantom.this.getGoalTarget();
return entityliving != null ? EntityPhantom.this.a(entityliving, PathfinderTargetCondition.a) : false;
@@ -305,6 +464,7 @@ public class EntityPhantom extends EntityFlying implements IMonster {
@Override
public boolean a() {
if (getRider() != null) return false; // Purpur - pathfinder does not have a flag
+ if (isCirclingCrystal()) return false; // Purpur - pathfinder does not have a flag
EntityLiving entityliving = EntityPhantom.this.getGoalTarget();
return entityliving != null ? EntityPhantom.this.a(EntityPhantom.this.getGoalTarget(), PathfinderTargetCondition.a) : false;
diff --git a/src/main/java/net/minecraft/server/IEntityAccess.java b/src/main/java/net/minecraft/server/IEntityAccess.java
index 4157e50e4..774ec96f0 100644
--- a/src/main/java/net/minecraft/server/IEntityAccess.java
+++ b/src/main/java/net/minecraft/server/IEntityAccess.java
@@ -34,6 +34,7 @@ public interface IEntityAccess {
});
}
+ default <T extends Entity> List<T> getEntitiesByClass(Class<? extends T> oclass, AxisAlignedBB axisalignedbb) { return a(oclass, axisalignedbb); } // Purpur - OBFHELPER
default <T extends Entity> List<T> a(Class<? extends T> oclass, AxisAlignedBB axisalignedbb) {
return this.a(oclass, axisalignedbb, IEntitySelector.f);
}
diff --git a/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java b/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java
index 9ae372d7d..9aafb4616 100644
--- a/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java
+++ b/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java
@@ -398,6 +398,9 @@ public class PurpurWorldConfig {
public double phantomMaxY = 256D;
public boolean phantomIgnoreCreative = false;
public boolean phantomOnlyAttackInsomniacs = false;
+ public double phantomAttackedByCrystalRadius = 0.0D;
+ public float phantomAttackedByCrystalDamage = 1.0F;
+ public double phantomOrbitCrystalRadius = 0.0D;
private void phantomSettings() {
phantomRidable = getBoolean("mobs.phantom.ridable", phantomRidable);
phantomRidableInWater = getBoolean("mobs.phantom.ridable-in-water", phantomRidableInWater);
@@ -405,6 +408,9 @@ public class PurpurWorldConfig {
phantomMaxY = getDouble("mobs.phantom.ridable-max-y", phantomMaxY);
phantomIgnoreCreative = getBoolean("mobs.phantom.do-not-spawn-on-creative-players", phantomIgnoreCreative);
phantomOnlyAttackInsomniacs = getBoolean("mobs.phantom.only-attack-insomniacs", phantomOnlyAttackInsomniacs);
+ phantomAttackedByCrystalRadius = getDouble("mobs.phantom.attacked-by-crystal-range", phantomAttackedByCrystalRadius);
+ phantomAttackedByCrystalDamage = (float) getDouble("mobs.phantom.attacked-by-crystal-damage", phantomAttackedByCrystalDamage);
+ phantomOrbitCrystalRadius = getDouble("mobs.phantom.orbit-crystal-radius", phantomOrbitCrystalRadius);
}
public boolean pigRidable = false;
--
2.24.0
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