Paper/Spigot-API-Patches/0316-Add-more-line-of-sight-methods.patch
2021-06-05 10:25:16 +02:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: TwoLeggedCat <80929284+TwoLeggedCat@users.noreply.github.com>
Date: Sat, 29 May 2021 14:33:18 -0500
Subject: [PATCH] Add more line of sight methods
diff --git a/src/main/java/org/bukkit/World.java b/src/main/java/org/bukkit/World.java
index a1496fe00a2d5ba6c1af054d4327f868b2cd7344..f66ec2dfdc64871f8b752bf44086954300804f08 100644
--- a/src/main/java/org/bukkit/World.java
+++ b/src/main/java/org/bukkit/World.java
@@ -76,6 +76,14 @@ public interface World extends PluginMessageRecipient, Metadatable, net.kyori.ad
*/
@NotNull
io.papermc.paper.world.MoonPhase getMoonPhase();
+
+ /**
+ * Tell whether a line of sight exists between the given locations
+ * @param from Location to start at
+ * @param to target Location
+ * @return whether a line of sight exists between {@code from} and {@code to}
+ */
+ public boolean lineOfSightExists(@NotNull Location from, @NotNull Location to);
// Paper end
/**
diff --git a/src/main/java/org/bukkit/entity/LivingEntity.java b/src/main/java/org/bukkit/entity/LivingEntity.java
index b6de41e3e718fa5d1b82c6f68b153e60a81265e7..ccb81ceee74fff50ec3ed88ae0a41f790c40ae87 100644
--- a/src/main/java/org/bukkit/entity/LivingEntity.java
+++ b/src/main/java/org/bukkit/entity/LivingEntity.java
@@ -483,6 +483,19 @@ public interface LivingEntity extends Attributable, Damageable, ProjectileSource
*/
public boolean hasLineOfSight(@NotNull Entity other);
+ // Paper start
+ /**
+ * Checks whether the living entity has block line of sight to the given block.
+ * <p>
+ * This uses the same algorithm that hostile mobs use to find the closest
+ * player.
+ *
+ * @param location the location to determine line of sight to
+ * @return true if there is a line of sight, false if not
+ */
+ public boolean hasLineOfSight(@NotNull Location location);
+ // Paper end
+
/**
* Returns if the living entity despawns when away from players or not.
* <p>