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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 Bukkit Changes: d25437bc Update to Minecraft 1.18-pre8 CraftBukkit Changes: 5a39a236 Update to Minecraft 1.18-pre8 Spigot Changes: 7840c2af Update to Minecraft 1.18-pre8
103 lines
5.2 KiB
Diff
103 lines
5.2 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: BillyGalbreath <Blake.Galbreath@GMail.com>
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Date: Sat, 22 Sep 2018 00:33:08 -0500
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Subject: [PATCH] Add LivingEntity#getTargetEntity
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diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
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index 4fbc60ef1e6769bd54b2976935b222f7224cb5c2..ea3d289a859e5f093600ae40baa043599ba2d704 100644
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--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
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+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
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@@ -113,6 +113,7 @@ import net.minecraft.world.level.storage.loot.LootTable;
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import net.minecraft.world.level.storage.loot.parameters.LootContextParamSets;
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import net.minecraft.world.level.storage.loot.parameters.LootContextParams;
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import net.minecraft.world.phys.AABB;
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+import net.minecraft.world.phys.EntityHitResult;
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import net.minecraft.world.phys.HitResult;
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import net.minecraft.world.phys.Vec3;
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import net.minecraft.world.scores.PlayerTeam;
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@@ -3737,6 +3738,38 @@ public abstract class LivingEntity extends Entity {
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return level.clip(raytrace);
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}
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+ public EntityHitResult getTargetEntity(int maxDistance) {
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+ if (maxDistance < 1 || maxDistance > 120) {
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+ throw new IllegalArgumentException("maxDistance must be between 1-120");
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+ }
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+
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+ Vec3 start = this.getEyePosition(1.0F);
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+ Vec3 direction = this.getLookAngle();
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+ Vec3 end = start.add(direction.x * maxDistance, direction.y * maxDistance, direction.z * maxDistance);
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+
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+ List<Entity> entityList = level.getEntities(this, getBoundingBox().expandTowards(direction.x * maxDistance, direction.y * maxDistance, direction.z * maxDistance).inflate(1.0D, 1.0D, 1.0D), EntitySelector.NO_CREATIVE_OR_SPECTATOR.and(Entity::isPickable));
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+
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+ double distance = 0.0D;
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+ EntityHitResult result = null;
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+
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+ for (Entity entity : entityList) {
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+ final double inflationAmount = (double) entity.getPickRadius();
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+ AABB aabb = entity.getBoundingBox().inflate(inflationAmount, inflationAmount, inflationAmount);
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+ Optional<Vec3> rayTraceResult = aabb.clip(start, end);
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+
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+ if (rayTraceResult.isPresent()) {
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+ Vec3 rayTrace = rayTraceResult.get();
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+ double distanceTo = start.distanceToSqr(rayTrace);
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+ if (distanceTo < distance || distance == 0.0D) {
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+ result = new EntityHitResult(entity, rayTrace);
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+ distance = distanceTo;
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+ }
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+ }
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+ }
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+
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+ return result;
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+ }
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+
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public int shieldBlockingDelay = level.paperConfig.shieldBlockingDelay;
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public int getShieldBlockingDelay() {
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diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
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index 9c024b46522e2984ed662538302fbac68a77fd86..fb0e0c629d16bc97efc3e91f7ba6fe9e87fc950b 100644
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--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
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+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
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@@ -1,5 +1,6 @@
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package org.bukkit.craftbukkit.entity;
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+import com.destroystokyo.paper.entity.TargetEntityInfo;
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import com.google.common.base.Preconditions;
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import com.google.common.collect.Sets;
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import java.util.ArrayList;
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@@ -218,6 +219,33 @@ public class CraftLivingEntity extends CraftEntity implements LivingEntity {
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new com.destroystokyo.paper.block.TargetBlockInfo(org.bukkit.craftbukkit.block.CraftBlock.at(getHandle().level, ((net.minecraft.world.phys.BlockHitResult)rayTrace).getBlockPos()),
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net.minecraft.server.MCUtil.toBukkitBlockFace(((net.minecraft.world.phys.BlockHitResult)rayTrace).getDirection()));
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}
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+
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+ public Entity getTargetEntity(int maxDistance, boolean ignoreBlocks) {
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+ net.minecraft.world.phys.EntityHitResult rayTrace = rayTraceEntity(maxDistance, ignoreBlocks);
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+ return rayTrace == null ? null : rayTrace.getEntity().getBukkitEntity();
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+ }
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+
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+ public TargetEntityInfo getTargetEntityInfo(int maxDistance, boolean ignoreBlocks) {
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+ net.minecraft.world.phys.EntityHitResult rayTrace = rayTraceEntity(maxDistance, ignoreBlocks);
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+ return rayTrace == null ? null : new TargetEntityInfo(rayTrace.getEntity().getBukkitEntity(), new org.bukkit.util.Vector(rayTrace.getLocation().x, rayTrace.getLocation().y, rayTrace.getLocation().z));
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+ }
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+
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+ public net.minecraft.world.phys.EntityHitResult rayTraceEntity(int maxDistance, boolean ignoreBlocks) {
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+ net.minecraft.world.phys.EntityHitResult rayTrace = getHandle().getTargetEntity(maxDistance);
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+ if (rayTrace == null) {
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+ return null;
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+ }
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+ if (!ignoreBlocks) {
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+ net.minecraft.world.phys.HitResult rayTraceBlocks = getHandle().getRayTrace(maxDistance, net.minecraft.world.level.ClipContext.Fluid.NONE);
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+ if (rayTraceBlocks != null) {
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+ net.minecraft.world.phys.Vec3 eye = getHandle().getEyePosition(1.0F);
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+ if (eye.distanceToSqr(rayTraceBlocks.getLocation()) <= eye.distanceToSqr(rayTrace.getLocation())) {
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+ return null;
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+ }
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+ }
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+ }
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+ return rayTrace;
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+ }
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// Paper end
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@Override
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