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path: root/patches/server/0242-Add-ray-tracing-methods-to-LivingEntity.patch
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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/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
index 170b4f796f0a495a635147dd62ad0ab51dd86a92..63c3bef55dae608ddd19cf6c8348b3027460e2af 100644
--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
@@ -3949,6 +3949,19 @@ public abstract class LivingEntity extends Entity implements Attackable {
     }
 
     // Paper start - Make shield blocking delay configurable
+    public HitResult getRayTrace(int maxDistance, ClipContext.Fluid fluidCollisionOption) {
+        if (maxDistance < 1 || maxDistance > 120) {
+            throw new IllegalArgumentException("maxDistance must be between 1-120");
+        }
+
+        Vec3 start = new Vec3(getX(), getY() + getEyeHeight(), getZ());
+        org.bukkit.util.Vector dir = getBukkitEntity().getLocation().getDirection().multiply(maxDistance);
+        Vec3 end = new Vec3(start.x + dir.getX(), start.y + dir.getY(), start.z + dir.getZ());
+        ClipContext raytrace = new ClipContext(start, end, ClipContext.Block.OUTLINE, fluidCollisionOption, this);
+
+        return this.level().clip(raytrace);
+    }
+
     public int shieldBlockingDelay = this.level().paperConfig().misc.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 8f43b8e3ba64ac150f35c6056178934e5de04b2d..b34793c7b7dfb699139551e1b467dea4efa0b369 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
@@ -201,6 +201,33 @@ public class CraftLivingEntity extends CraftEntity implements LivingEntity {
         return blocks.get(0);
     }
 
+    // Paper start
+    @Override
+    public Block getTargetBlock(int maxDistance, com.destroystokyo.paper.block.TargetBlockInfo.FluidMode fluidMode) {
+        return this.getTargetBlockExact(maxDistance, fluidMode.bukkit);
+    }
+
+    @Override
+    public org.bukkit.block.BlockFace getTargetBlockFace(int maxDistance, com.destroystokyo.paper.block.TargetBlockInfo.FluidMode fluidMode) {
+        return this.getTargetBlockFace(maxDistance, fluidMode.bukkit);
+    }
+
+    @Override
+    public org.bukkit.block.BlockFace getTargetBlockFace(int maxDistance, org.bukkit.FluidCollisionMode fluidMode) {
+        RayTraceResult result = this.rayTraceBlocks(maxDistance, fluidMode);
+        return result != null ? result.getHitBlockFace() : null;
+    }
+
+    @Override
+    public com.destroystokyo.paper.block.TargetBlockInfo getTargetBlockInfo(int maxDistance, com.destroystokyo.paper.block.TargetBlockInfo.FluidMode fluidMode) {
+        RayTraceResult result = this.rayTraceBlocks(maxDistance, fluidMode.bukkit);
+        if (result != null && result.getHitBlock() != null && result.getHitBlockFace() != null) {
+            return new com.destroystokyo.paper.block.TargetBlockInfo(result.getHitBlock(), result.getHitBlockFace());
+        }
+        return null;
+    }
+    // Paper end
+
     @Override
     public List<Block> getLastTwoTargetBlocks(Set<Material> transparent, int maxDistance) {
         return this.getLineOfSight(transparent, maxDistance, 2);