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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: BillyGalbreath <Blake.Galbreath@GMail.com>
Date: Mon, 3 Sep 2018 18:20:03 -0500
Subject: [PATCH] Add ray tracing methods to LivingEntity
diff --git a/src/main/java/net/minecraft/world/entity/EntityLiving.java b/src/main/java/net/minecraft/world/entity/EntityLiving.java
index 189a00cb68ce9a9060117b79c5356ebb93d7fa62..9d8f92c313829bb32c17907bf2ef23d069517dc3 100644
--- a/src/main/java/net/minecraft/world/entity/EntityLiving.java
+++ b/src/main/java/net/minecraft/world/entity/EntityLiving.java
@@ -3585,6 +3585,23 @@ public abstract class EntityLiving extends Entity {
this.broadcastItemBreak(enumhand == EnumHand.MAIN_HAND ? EnumItemSlot.MAINHAND : EnumItemSlot.OFFHAND);
}
// Paper start
+ public MovingObjectPosition getRayTrace(int maxDistance) {
+ return getRayTrace(maxDistance, RayTrace.FluidCollisionOption.NONE);
+ }
+
+ public MovingObjectPosition getRayTrace(int maxDistance, RayTrace.FluidCollisionOption fluidCollisionOption) {
+ if (maxDistance < 1 || maxDistance > 120) {
+ throw new IllegalArgumentException("maxDistance must be between 1-120");
+ }
+
+ Vec3D start = new Vec3D(locX(), locY() + getHeadHeight(), locZ());
+ org.bukkit.util.Vector dir = getBukkitEntity().getLocation().getDirection().multiply(maxDistance);
+ Vec3D end = new Vec3D(start.x + dir.getX(), start.y + dir.getY(), start.z + dir.getZ());
+ RayTrace raytrace = new RayTrace(start, end, RayTrace.BlockCollisionOption.OUTLINE, fluidCollisionOption, this);
+
+ return world.rayTrace(raytrace);
+ }
+
public int shieldBlockingDelay = world.paperConfig.shieldBlockingDelay;
public int getShieldBlockingDelay() {
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
index bd24b9865f37c34ffd63cd411ddc84abe5ab30d0..c692626b747008a5418ecabf550fc67e3b676f5b 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
@@ -1,5 +1,6 @@
package org.bukkit.craftbukkit.entity;
+import com.destroystokyo.paper.block.TargetBlockInfo;
import com.google.common.base.Preconditions;
import com.google.common.collect.Sets;
import java.util.ArrayList;
@@ -8,6 +9,7 @@ import java.util.Iterator;
import java.util.List;
import java.util.Set;
import java.util.UUID;
+import net.minecraft.server.MCUtil;
import net.minecraft.server.level.EntityPlayer;
import net.minecraft.world.EnumHand;
import net.minecraft.world.damagesource.DamageSource;
@@ -40,6 +42,8 @@ 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.phys.MovingObjectPosition;
+import net.minecraft.world.phys.MovingObjectPositionBlock;
import org.apache.commons.lang.Validate;
import org.bukkit.FluidCollisionMode;
import org.bukkit.Location;
@@ -49,6 +53,7 @@ import org.bukkit.attribute.AttributeInstance;
import org.bukkit.block.Block;
import org.bukkit.craftbukkit.CraftServer;
import org.bukkit.craftbukkit.CraftWorld;
+import org.bukkit.craftbukkit.block.CraftBlock;
import org.bukkit.craftbukkit.entity.memory.CraftMemoryKey;
import org.bukkit.craftbukkit.entity.memory.CraftMemoryMapper;
import org.bukkit.craftbukkit.inventory.CraftEntityEquipment;
@@ -202,6 +207,28 @@ public class CraftLivingEntity extends CraftEntity implements LivingEntity {
return blocks.get(0);
}
+ // Paper start
+ @Override
+ public Block getTargetBlock(int maxDistance, TargetBlockInfo.FluidMode fluidMode) {
+ MovingObjectPosition rayTrace = getHandle().getRayTrace(maxDistance, MCUtil.getNMSFluidCollisionOption(fluidMode));
+ return !(rayTrace instanceof MovingObjectPositionBlock) ? null : CraftBlock.at(getHandle().world, ((MovingObjectPositionBlock)rayTrace).getBlockPosition());
+ }
+
+ @Override
+ public org.bukkit.block.BlockFace getTargetBlockFace(int maxDistance, TargetBlockInfo.FluidMode fluidMode) {
+ MovingObjectPosition rayTrace = getHandle().getRayTrace(maxDistance, MCUtil.getNMSFluidCollisionOption(fluidMode));
+ return !(rayTrace instanceof MovingObjectPositionBlock) ? null : MCUtil.toBukkitBlockFace(((MovingObjectPositionBlock)rayTrace).getDirection());
+ }
+
+ @Override
+ public TargetBlockInfo getTargetBlockInfo(int maxDistance, TargetBlockInfo.FluidMode fluidMode) {
+ MovingObjectPosition rayTrace = getHandle().getRayTrace(maxDistance, MCUtil.getNMSFluidCollisionOption(fluidMode));
+ return !(rayTrace instanceof MovingObjectPositionBlock) ? null :
+ new TargetBlockInfo(CraftBlock.at(getHandle().world, ((MovingObjectPositionBlock)rayTrace).getBlockPosition()),
+ MCUtil.toBukkitBlockFace(((MovingObjectPositionBlock)rayTrace).getDirection()));
+ }
+ // Paper end
+
@Override
public List<Block> getLastTwoTargetBlocks(Set<Material> transparent, int maxDistance) {
return getLineOfSight(transparent, maxDistance, 2);
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