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Purpur/patches/server/0009-Phantoms-attracted-to-crystals-and-crystals-shoot-ph.patch

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From ebfc4ed393ce2487fe54e5658b1654ced5857ccb 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 | 181 +++++++++++++++++-
.../net/minecraft/server/IEntityAccess.java | 1 +
.../java/net/pl3x/purpur/PurpurConfig.java | 9 +
6 files changed, 235 insertions(+), 14 deletions(-)
diff --git a/src/main/java/net/minecraft/server/DamageSource.java b/src/main/java/net/minecraft/server/DamageSource.java
index 730a15f33..31454349a 100644
--- a/src/main/java/net/minecraft/server/DamageSource.java
+++ b/src/main/java/net/minecraft/server/DamageSource.java
@@ -77,6 +77,7 @@ 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 40ab9daad..dd787b7b6 100644
--- a/src/main/java/net/minecraft/server/Entity.java
+++ b/src/main/java/net/minecraft/server/Entity.java
@@ -1400,6 +1400,7 @@ 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());
}
@@ -1919,14 +1920,13 @@ 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 801552fc6..9c7f7fee8 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);
@@ -54,7 +60,50 @@ public class EntityEnderCrystal extends Entity {
}
}
+ // Purpur start
+ if (net.pl3x.purpur.PurpurConfig.crystalsAttackPhantomsRadius <= 0 || --idleCooldown > 0) {
+ return; // on cooldown
+ }
+
+ if (targetPhantom == null) {
+ for (EntityPhantom phantom : world.getEntitiesByClass(EntityPhantom.class, getBoundingBox().grow(net.pl3x.purpur.PurpurConfig.crystalsAttackPhantomsRadius))) {
+ 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), net.pl3x.purpur.PurpurConfig.crystalsAttackPhantomDamage);
+ }
+ } 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 e5d032d02..7bc7b3366 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 bz;
+ 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 bz; public AttackPhase getAttackPhase() { return this.bz; } // Purpur - OBFHELPER
+ private BlockPosition crystalPosition; // Purpur
public EntityPhantom(EntityTypes<? extends EntityPhantom> entitytypes, World world) {
super(entitytypes, world);
@@ -29,10 +30,16 @@ public class EntityPhantom extends EntityFlying implements IMonster {
@Override
protected void initPathfinder() {
- this.goalSelector.a(1, new EntityPhantom.c());
- this.goalSelector.a(2, new EntityPhantom.i());
- this.goalSelector.a(3, new EntityPhantom.e());
- this.targetSelector.a(1, new EntityPhantom.b());
+ // Purpur start
+ if (net.pl3x.purpur.PurpurConfig.phantomsOrbitCrystalsRadius > 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(1, new EntityPhantom.b()); // AttackPlayerGoal
+ // Purpur end
}
@Override
@@ -114,6 +121,26 @@ 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);
@@ -202,6 +229,135 @@ 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);
+ }
+
+ @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 net.pl3x.purpur.PurpurConfig.phantomsOrbitCrystalsRadius;
+ }
+
+ 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;
@@ -259,7 +415,7 @@ public class EntityPhantom extends EntityFlying implements IMonster {
public boolean a() {
EntityLiving entityliving = EntityPhantom.this.getGoalTarget();
- return entityliving != null ? EntityPhantom.this.a(EntityPhantom.this.getGoalTarget(), PathfinderTargetCondition.a) : false;
+ return !isCirclingCrystal() && entityliving != null && EntityPhantom.this.a(EntityPhantom.this.getGoalTarget(), PathfinderTargetCondition.a); // Purpur
}
@Override
@@ -305,11 +461,16 @@ public class EntityPhantom extends EntityFlying implements IMonster {
@Override
public boolean a() {
- return EntityPhantom.this.getGoalTarget() != null && EntityPhantom.this.bz == EntityPhantom.AttackPhase.SWOOP;
+ return !isCirclingCrystal() && EntityPhantom.this.getGoalTarget() != null && EntityPhantom.this.getAttackPhase() == EntityPhantom.AttackPhase.SWOOP; // Purpur
}
@Override
public boolean b() {
+ // Purpur start
+ if (isCirclingCrystal()) {
+ return false;
+ }
+ // Purpur end
EntityLiving entityliving = EntityPhantom.this.getGoalTarget();
if (entityliving == null) {
@@ -379,7 +540,7 @@ public class EntityPhantom extends EntityFlying implements IMonster {
@Override
public boolean a() {
- return EntityPhantom.this.getGoalTarget() == null || EntityPhantom.this.bz == EntityPhantom.AttackPhase.CIRCLE;
+ return !isCirclingCrystal() && EntityPhantom.this.getGoalTarget() == null || EntityPhantom.this.getAttackPhase() == EntityPhantom.AttackPhase.CIRCLE; // Purpur
}
@Override
diff --git a/src/main/java/net/minecraft/server/IEntityAccess.java b/src/main/java/net/minecraft/server/IEntityAccess.java
index dca18afdb..9aaa75e95 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/PurpurConfig.java b/src/main/java/net/pl3x/purpur/PurpurConfig.java
index 37bab6180..0bfcef2d3 100644
--- a/src/main/java/net/pl3x/purpur/PurpurConfig.java
+++ b/src/main/java/net/pl3x/purpur/PurpurConfig.java
@@ -136,6 +136,15 @@ public class PurpurConfig {
feedMushroomsToCows = getInt("settings.mobs.cow.feed-mushrooms-for-mooshroom", feedMushroomsToCows);
}
+ public static double crystalsAttackPhantomsRadius = 0.0D;
+ public static float crystalsAttackPhantomDamage = 1.0F;
+ public static double phantomsOrbitCrystalsRadius = 0.0D;
+ private static void phantomSettings() {
+ crystalsAttackPhantomsRadius = getDouble("settings.mobs.phantom.crystals-attack-range", crystalsAttackPhantomsRadius);
+ crystalsAttackPhantomDamage = (float) getDouble("settings.mobs.phantom.crystals-attack-damage", crystalsAttackPhantomDamage);
+ phantomsOrbitCrystalsRadius = getDouble("settings.mobs.phantom.orbit-crystal-radius", phantomsOrbitCrystalsRadius);
+ }
+
public static boolean snowmanDropsPumpkin = false;
public static boolean snowmanPumpkinPutBack = false;
private static void snowmansSettings() {
--
2.20.1
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