From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: BillyGalbreath 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 getLastTwoTargetBlocks(Set transparent, int maxDistance) { return getLineOfSight(transparent, maxDistance, 2);