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Paper/Spigot-Server-Patches/0380-Add-LivingEntity-getTargetEntity.patch
Zach Brown 8ed2992da9
Make scan-for-legacy-ender-dragon config work again 
Portion of diff was dropped in the mappings update commit.

Also remove the option to remove invalid statistics. The server will
automatically do this now as of... 1.13?, our option wasn't even doing anything.
2018-12-14 20:17:27 -05:00

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From e819add1bd9db4ae5bd4a089cbb822adce4f04d5 Mon Sep 17 00:00:00 2001
From: BillyGalbreath <Blake.Galbreath@GMail.com>
Date: Sat, 22 Sep 2018 00:33:08 -0500
Subject: [PATCH] Add LivingEntity#getTargetEntity
diff --git a/src/main/java/net/minecraft/server/AxisAlignedBB.java b/src/main/java/net/minecraft/server/AxisAlignedBB.java
index 19819b134..49228a884 100644
--- a/src/main/java/net/minecraft/server/AxisAlignedBB.java
+++ b/src/main/java/net/minecraft/server/AxisAlignedBB.java
@@ -102,6 +102,7 @@ public class AxisAlignedBB {
return new AxisAlignedBB(d3, d4, d5, d6, d7, d8);
}
+ public AxisAlignedBB expand(double x, double y, double z) { return b(x, y, z); } // Paper - OBFHELPER
public AxisAlignedBB b(double d0, double d1, double d2) {
double d3 = this.minX;
double d4 = this.minY;
@@ -130,6 +131,12 @@ public class AxisAlignedBB {
return new AxisAlignedBB(d3, d4, d5, d6, d7, d8);
}
+ // Paper start
+ public AxisAlignedBB grow(double d0) {
+ return grow(d0, d0, d0);
+ }
+ // Paper end
+
public AxisAlignedBB grow(double d0, double d1, double d2) {
double d3 = this.minX - d0;
double d4 = this.minY - d1;
@@ -184,6 +191,7 @@ public class AxisAlignedBB {
return this.minX < d3 && this.maxX > d0 && this.minY < d4 && this.maxY > d1 && this.minZ < d5 && this.maxZ > d2;
}
+ public boolean contains(Vec3D vec3d) { return b(vec3d); } // Paper - OBFHELPER
public boolean b(Vec3D vec3d) {
return this.e(vec3d.x, vec3d.y, vec3d.z);
}
@@ -207,6 +215,7 @@ public class AxisAlignedBB {
return this.g(-d0);
}
+ public MovingObjectPosition calculateIntercept(Vec3D vec3d, Vec3D vec3d1) { return b(vec3d, vec3d1); } // Paper - OBFHELPER
@Nullable
public MovingObjectPosition b(Vec3D vec3d, Vec3D vec3d1) {
return this.a(vec3d, vec3d1, (BlockPosition)null);
diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
index 0f646ac7e..23e6f45bf 100644
--- a/src/main/java/net/minecraft/server/Entity.java
+++ b/src/main/java/net/minecraft/server/Entity.java
@@ -1519,6 +1519,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
return new Vec3D((double) (f5 * f6), (double) (-f7), (double) (f4 * f6));
}
+ public Vec3D getEyePosition(float partialTicks) { return i(partialTicks); } // Paper - OBFHELPER
public Vec3D i(float f) {
if (f == 1.0F) {
return new Vec3D(this.locX, this.locY + (double) this.getHeadHeight(), this.locZ);
@@ -2182,10 +2183,12 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
return this.bP().size() < 1;
}
+ public float getCollisionBorderSize() { return aM(); } // Paper - OBFHELPER
public float aM() {
return 0.0F;
}
+ public Vec3D getLookVec() { return aN(); } // Paper - OBFHELPER
public Vec3D aN() {
return this.d(this.pitch, this.yaw);
}
diff --git a/src/main/java/net/minecraft/server/EntityLiving.java b/src/main/java/net/minecraft/server/EntityLiving.java
index 46a4e37a2..34b649dad 100644
--- a/src/main/java/net/minecraft/server/EntityLiving.java
+++ b/src/main/java/net/minecraft/server/EntityLiving.java
@@ -3,6 +3,8 @@ package net.minecraft.server;
import com.destroystokyo.paper.event.player.PlayerArmorChangeEvent;
import com.google.common.base.Objects;
import com.google.common.collect.Maps;
+
+import java.util.Arrays;
import java.util.Collection;
import java.util.ConcurrentModificationException;
import java.util.Iterator;
@@ -16,6 +18,8 @@ import org.apache.logging.log4j.Logger;
// CraftBukkit start
import java.util.ArrayList;
+import java.util.stream.Collectors;
+
import com.google.common.base.Function;
import com.google.common.collect.Lists;
import org.bukkit.Location;
@@ -2862,6 +2866,36 @@ public abstract class EntityLiving extends Entity {
return world.rayTrace(start, end, fluidCollisionOption);
}
+ public MovingObjectPosition getTargetEntity(int maxDistance) {
+ if (maxDistance < 1 || maxDistance > 120) {
+ throw new IllegalArgumentException("maxDistance must be between 1-120");
+ }
+
+ Vec3D start = getEyePosition(1.0F);
+ Vec3D direction = getLookVec();
+ Vec3D end = start.add(direction.x * maxDistance, direction.y * maxDistance, direction.z * maxDistance);
+
+ List<Entity> entityList = world.getEntities(this, getBoundingBox().expand(direction.x * maxDistance, direction.y * maxDistance, direction.z * maxDistance).grow(1.0D, 1.0D, 1.0D), IEntitySelector.notSpectator().and(Entity::isInteractable));
+
+ double distance = 0.0D;
+ MovingObjectPosition rayTraceResult = null;
+
+ for (Entity entity : entityList) {
+ AxisAlignedBB aabb = entity.getBoundingBox().grow((double) entity.getCollisionBorderSize());
+ MovingObjectPosition rayTrace = aabb.calculateIntercept(start, end);
+
+ if (rayTrace != null) {
+ double distanceTo = start.distanceSquared(rayTrace.pos);
+ if (distanceTo < distance || distance == 0.0D) {
+ rayTraceResult = new MovingObjectPosition(entity, rayTrace.pos);
+ distance = distanceTo;
+ }
+ }
+ }
+
+ return rayTraceResult;
+ }
+
public int shieldBlockingDelay = world.paperConfig.shieldBlockingDelay;
public int getShieldBlockingDelay() {
diff --git a/src/main/java/net/minecraft/server/IEntitySelector.java b/src/main/java/net/minecraft/server/IEntitySelector.java
index 42b3d3fc5..61806bbc4 100644
--- a/src/main/java/net/minecraft/server/IEntitySelector.java
+++ b/src/main/java/net/minecraft/server/IEntitySelector.java
@@ -18,6 +18,7 @@ public final class IEntitySelector {
public static final Predicate<Entity> e = (entity) -> {
return !(entity instanceof EntityHuman) || !((EntityHuman)entity).isSpectator() && !((EntityHuman)entity).u();
};
+ public static Predicate<Entity> notSpectator() { return f; } // Paper - OBFHELPER
public static final Predicate<Entity> f = (entity) -> {
return !(entity instanceof EntityHuman) || !((EntityHuman)entity).isSpectator();
};
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
index eeab59379..d6a4bc64a 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
@@ -186,6 +186,33 @@ public class CraftLivingEntity extends CraftEntity implements LivingEntity {
net.minecraft.server.MovingObjectPosition rayTrace = getHandle().getRayTrace(maxDistance, net.minecraft.server.MCUtil.getNMSFluidCollisionOption(fluidMode));
return rayTrace == null ? null : new com.destroystokyo.paper.block.TargetBlockInfo(org.bukkit.craftbukkit.block.CraftBlock.at(getHandle().world, rayTrace.getBlockPosition()), net.minecraft.server.MCUtil.toBukkitBlockFace(rayTrace.direction));
}
+
+ public Entity getTargetEntity(int maxDistance, boolean ignoreBlocks) {
+ net.minecraft.server.MovingObjectPosition rayTrace = rayTraceEntity(maxDistance, ignoreBlocks);
+ return rayTrace == null ? null : rayTrace.entity.getBukkitEntity();
+ }
+
+ public com.destroystokyo.paper.entity.TargetEntityInfo getTargetEntityInfo(int maxDistance, boolean ignoreBlocks) {
+ net.minecraft.server.MovingObjectPosition rayTrace = rayTraceEntity(maxDistance, ignoreBlocks);
+ return rayTrace == null ? null : new com.destroystokyo.paper.entity.TargetEntityInfo(rayTrace.entity.getBukkitEntity(), new org.bukkit.util.Vector(rayTrace.pos.x, rayTrace.pos.y, rayTrace.pos.z));
+ }
+
+ public net.minecraft.server.MovingObjectPosition rayTraceEntity(int maxDistance, boolean ignoreBlocks) {
+ net.minecraft.server.MovingObjectPosition rayTrace = getHandle().getTargetEntity(maxDistance);
+ if (rayTrace == null) {
+ return null;
+ }
+ if (!ignoreBlocks) {
+ net.minecraft.server.MovingObjectPosition rayTraceBlocks = getHandle().getRayTrace(maxDistance, net.minecraft.server.FluidCollisionOption.NEVER);
+ if (rayTraceBlocks != null) {
+ net.minecraft.server.Vec3D eye = getHandle().getEyePosition(1.0F);
+ if (eye.distanceSquared(rayTraceBlocks.pos) <= eye.distanceSquared(rayTrace.pos)) {
+ return null;
+ }
+ }
+ }
+ return rayTrace;
+ }
// Paper end
public List<Block> getLastTwoTargetBlocks(Set<Material> transparent, int maxDistance) {
--
2.20.0
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