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Paper-Old/Spigot-Server-Patches/0334-Add-LivingEntity-getTargetEntity.patch
Aikar 41e6073ced
[Auto] Updated Upstream (CraftBukkit) 
Upstream has released updates that appear to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

CraftBukkit Changes:
afa0678e1 SPIGOT-6133: Chorus fruit consumption calls PlayerTeleportEvent multiple times
2021-05-24 18:37:30 -04:00

188 Zeilen
9.4 KiB
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Originalformat Blame Verlauf

From 0000000000000000000000000000000000000000 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/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index 1e5930f5ae75b82abf6ea2a50558449fb667016f..e9b535622d6c33083c575ee4691598014dba0e2c 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -1504,6 +1504,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, ne
return this.c(f - 90.0F, f1);
}
+ public final Vec3D getEyePosition(float partialTicks) { return j(partialTicks); } // Paper - OBFHELPER
public final Vec3D j(float f) {
if (f == 1.0F) {
return new Vec3D(this.locX(), this.getHeadY(), this.locZ());
@@ -2149,6 +2150,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, ne
return this.getPassengers().size() < 1;
}
+ public final float getCollisionBorderSize() { return bg(); } // Paper - OBFHELPER
public float bg() {
return 0.0F;
}
diff --git a/src/main/java/net/minecraft/world/entity/EntityLiving.java b/src/main/java/net/minecraft/world/entity/EntityLiving.java
index 32a2d6fd22ba69694a2f620174f618a95964074d..4e2039e46741e8a09f3af7d3d9e98ef7a5b27abc 100644
--- a/src/main/java/net/minecraft/world/entity/EntityLiving.java
+++ b/src/main/java/net/minecraft/world/entity/EntityLiving.java
@@ -108,6 +108,7 @@ import net.minecraft.world.level.storage.loot.parameters.LootContextParameterSet
import net.minecraft.world.level.storage.loot.parameters.LootContextParameters;
import net.minecraft.world.phys.AxisAlignedBB;
import net.minecraft.world.phys.MovingObjectPosition;
+import net.minecraft.world.phys.MovingObjectPositionEntity;
import net.minecraft.world.phys.Vec3D;
import net.minecraft.world.scores.ScoreboardTeam;
import org.apache.logging.log4j.Logger;
@@ -3660,6 +3661,37 @@ public abstract class EntityLiving extends Entity {
return world.rayTrace(raytrace);
}
+ public MovingObjectPositionEntity getTargetEntity(int maxDistance) {
+ if (maxDistance < 1 || maxDistance > 120) {
+ throw new IllegalArgumentException("maxDistance must be between 1-120");
+ }
+
+ Vec3D start = this.getEyePosition(1.0F);
+ Vec3D direction = this.getLookDirection();
+ 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.canAITarget().and(Entity::isInteractable));
+
+ double distance = 0.0D;
+ MovingObjectPositionEntity result = null;
+
+ for (Entity entity : entityList) {
+ AxisAlignedBB aabb = entity.getBoundingBox().grow((double) entity.getCollisionBorderSize());
+ Optional<Vec3D> rayTraceResult = aabb.calculateIntercept(start, end);
+
+ if (rayTraceResult.isPresent()) {
+ Vec3D rayTrace = rayTraceResult.get();
+ double distanceTo = start.distanceSquared(rayTrace);
+ if (distanceTo < distance || distance == 0.0D) {
+ result = new MovingObjectPositionEntity(entity, rayTrace);
+ distance = distanceTo;
+ }
+ }
+ }
+
+ return result;
+ }
+
public int shieldBlockingDelay = world.paperConfig.shieldBlockingDelay;
public int getShieldBlockingDelay() {
diff --git a/src/main/java/net/minecraft/world/entity/IEntitySelector.java b/src/main/java/net/minecraft/world/entity/IEntitySelector.java
index 4776a47566aac487dc77fd6b4b9b42b95974e31a..cb5cda5e6497edeb801ef712f9bd8823cb055750 100644
--- a/src/main/java/net/minecraft/world/entity/IEntitySelector.java
+++ b/src/main/java/net/minecraft/world/entity/IEntitySelector.java
@@ -22,6 +22,7 @@ public final class IEntitySelector {
public static final Predicate<Entity> e = (entity) -> {
return !(entity instanceof EntityHuman) || !entity.isSpectator() && !((EntityHuman) entity).isCreative();
};
+ public static Predicate<Entity> canAITarget() { return f; } // Paper - OBFHELPER
public static final Predicate<Entity> f = (entity) -> {
return !(entity instanceof EntityHuman) || !entity.isSpectator() && !((EntityHuman) entity).isCreative() && entity.world.getDifficulty() != EnumDifficulty.PEACEFUL;
};
diff --git a/src/main/java/net/minecraft/world/phys/AxisAlignedBB.java b/src/main/java/net/minecraft/world/phys/AxisAlignedBB.java
index 3941dd33da4b5c09d0087143f1d8a2d76fc18792..62513c812b497bb9d8dafe1d9c2f574059aebf15 100644
--- a/src/main/java/net/minecraft/world/phys/AxisAlignedBB.java
+++ b/src/main/java/net/minecraft/world/phys/AxisAlignedBB.java
@@ -116,6 +116,7 @@ public class AxisAlignedBB {
return this.b(vec3d.x, vec3d.y, vec3d.z);
}
+ public final 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;
@@ -145,6 +146,12 @@ 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;
@@ -204,6 +211,7 @@ public class AxisAlignedBB {
return this.minX < d3 && this.maxX > d0 && this.minY < d4 && this.maxY > d1 && this.minZ < d5 && this.maxZ > d2;
}
+ public final boolean contains(Vec3D vec3d) { return d(vec3d); } // Paper - OBFHELPER
public boolean d(Vec3D vec3d) {
return this.e(vec3d.x, vec3d.y, vec3d.z);
}
@@ -237,6 +245,7 @@ public class AxisAlignedBB {
return this.g(-d0);
}
+ public final Optional<Vec3D> calculateIntercept(Vec3D vec3d, Vec3D vec3d1) { return b(vec3d, vec3d1); } // Paper - OBFHELPER
public Optional<Vec3D> b(Vec3D vec3d, Vec3D vec3d1) {
double[] adouble = new double[]{1.0D};
double d0 = vec3d1.x - vec3d.x;
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
index c692626b747008a5418ecabf550fc67e3b676f5b..ff586b8366a6298f1906551b068e8abb26fcabc7 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
@@ -1,6 +1,7 @@
package org.bukkit.craftbukkit.entity;
import com.destroystokyo.paper.block.TargetBlockInfo;
+import com.destroystokyo.paper.entity.TargetEntityInfo;
import com.google.common.base.Preconditions;
import com.google.common.collect.Sets;
import java.util.ArrayList;
@@ -42,8 +43,11 @@ import net.minecraft.world.entity.projectile.EntityThrownExpBottle;
import net.minecraft.world.entity.projectile.EntityThrownTrident;
import net.minecraft.world.entity.projectile.EntityTippedArrow;
import net.minecraft.world.entity.projectile.EntityWitherSkull;
+import net.minecraft.world.level.RayTrace;
import net.minecraft.world.phys.MovingObjectPosition;
import net.minecraft.world.phys.MovingObjectPositionBlock;
+import net.minecraft.world.phys.MovingObjectPositionEntity;
+import net.minecraft.world.phys.Vec3D;
import org.apache.commons.lang.Validate;
import org.bukkit.FluidCollisionMode;
import org.bukkit.Location;
@@ -227,6 +231,33 @@ public class CraftLivingEntity extends CraftEntity implements LivingEntity {
new TargetBlockInfo(CraftBlock.at(getHandle().world, ((MovingObjectPositionBlock)rayTrace).getBlockPosition()),
MCUtil.toBukkitBlockFace(((MovingObjectPositionBlock)rayTrace).getDirection()));
}
+
+ public Entity getTargetEntity(int maxDistance, boolean ignoreBlocks) {
+ MovingObjectPositionEntity rayTrace = rayTraceEntity(maxDistance, ignoreBlocks);
+ return rayTrace == null ? null : rayTrace.getEntity().getBukkitEntity();
+ }
+
+ public TargetEntityInfo getTargetEntityInfo(int maxDistance, boolean ignoreBlocks) {
+ MovingObjectPositionEntity rayTrace = rayTraceEntity(maxDistance, ignoreBlocks);
+ return rayTrace == null ? null : new TargetEntityInfo(rayTrace.getEntity().getBukkitEntity(), new org.bukkit.util.Vector(rayTrace.getPos().x, rayTrace.getPos().y, rayTrace.getPos().z));
+ }
+
+ public MovingObjectPositionEntity rayTraceEntity(int maxDistance, boolean ignoreBlocks) {
+ MovingObjectPositionEntity rayTrace = getHandle().getTargetEntity(maxDistance);
+ if (rayTrace == null) {
+ return null;
+ }
+ if (!ignoreBlocks) {
+ MovingObjectPosition rayTraceBlocks = getHandle().getRayTrace(maxDistance, RayTrace.FluidCollisionOption.NONE);
+ if (rayTraceBlocks != null) {
+ Vec3D eye = getHandle().getEyePosition(1.0F);
+ if (eye.distanceSquared(rayTraceBlocks.getPos()) <= eye.distanceSquared(rayTrace.getPos())) {
+ return null;
+ }
+ }
+ }
+ return rayTrace;
+ }
// Paper end
@Override
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