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Swapped out Vec3#distanceTo call with a Vec3#distanceToSqr call to remove calls to Math.sqrt
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@ -1,23 +1,25 @@
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: TwoLeggedCat <80929284+TwoLeggedCat@users.noreply.github.com>
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Date: Sat, 29 May 2021 14:33:25 -0500
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Subject: [PATCH] Add more line of sight methods
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Subject: [PATCH] Line Of Sight Changes
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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 9f57ebcf4f1fafe38ebdf9b78f186e244853101d..0c38298ce04b28bb41b3c10b44b026a9b54c612b 100644
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index 9f57ebcf4f1fafe38ebdf9b78f186e244853101d..02a944ee1ab3a0d8c8ed84d3ec4d9bc6fcdfb9bb 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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@@ -3430,6 +3430,7 @@ public abstract class LivingEntity extends Entity {
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@@ -3430,7 +3430,8 @@ public abstract class LivingEntity extends Entity {
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Vec3 vec3d = new Vec3(this.getX(), this.getEyeY(), this.getZ());
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Vec3 vec3d1 = new Vec3(entity.getX(), entity.getEyeY(), entity.getZ());
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- return vec3d1.distanceTo(vec3d) > 128.0D ? false : this.level.clip(new ClipContext(vec3d, vec3d1, ClipContext.Block.COLLIDER, ClipContext.Fluid.NONE, this)).getType() == HitResult.Type.MISS;
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+ // Paper - diff on change - used in CraftLivingEntity#hasLineOfSight(Location) and CraftWorld#lineOfSightExists
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return vec3d1.distanceTo(vec3d) > 128.0D ? false : this.level.clip(new ClipContext(vec3d, vec3d1, ClipContext.Block.COLLIDER, ClipContext.Fluid.NONE, this)).getType() == HitResult.Type.MISS;
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+ return vec3d1.distanceToSqr(vec3d) > 128D * 128D ? false : this.level.clip(new ClipContext(vec3d, vec3d1, ClipContext.Block.COLLIDER, ClipContext.Fluid.NONE, this)).getType() == HitResult.Type.MISS; // Paper - use distanceToSqr
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}
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}
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diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
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index 2247d1c7c7dd1c225c511b44d6aeb5c3e75bdb2a..1cc8a85ae69c98987ab516418808b688c266711c 100644
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index 2247d1c7c7dd1c225c511b44d6aeb5c3e75bdb2a..50ab10f1a131ac35a2edff71dbe0b199d588bcc0 100644
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--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
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+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
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@@ -330,6 +330,18 @@ public class CraftWorld implements World {
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@ -32,7 +34,7 @@ index 2247d1c7c7dd1c225c511b44d6aeb5c3e75bdb2a..1cc8a85ae69c98987ab516418808b688
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+ if (from.getWorld() != to.getWorld()) return false;
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+ Vec3 vec3d = new Vec3(from.getX(), from.getY(), from.getZ());
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+ Vec3 vec3d1 = new Vec3(to.getX(), to.getY(), to.getZ());
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+ if (vec3d1.distanceTo(vec3d) > 128.0D) return false;
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+ if (vec3d1.distanceToSqr(vec3d) > 128D * 128D) return false; //Return early if the distance is greater than 128 blocks
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+
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+ return this.getHandle().clip(new ClipContext(vec3d, vec3d1, ClipContext.Block.COLLIDER, ClipContext.Fluid.NONE, null)).getType() == HitResult.Type.MISS;
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+ }
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@ -40,7 +42,7 @@ index 2247d1c7c7dd1c225c511b44d6aeb5c3e75bdb2a..1cc8a85ae69c98987ab516418808b688
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private static final Random rand = new Random();
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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 526beeac806d65c53c117be7702ce6cc3c6ec1c1..53b61b609361c305fb8d1f1a8700e81ce139fde4 100644
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index 526beeac806d65c53c117be7702ce6cc3c6ec1c1..eed0abb13b4f27a55db577f1005193c81744d247 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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@@ -29,6 +29,9 @@ import net.minecraft.world.entity.projectile.ThrownEgg;
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@ -63,7 +65,7 @@ index 526beeac806d65c53c117be7702ce6cc3c6ec1c1..53b61b609361c305fb8d1f1a8700e81c
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+ if (this.getHandle().level != ((CraftWorld) loc.getWorld()).getHandle()) return false;
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+ Vec3 vec3d = new Vec3(this.getHandle().getX(), this.getHandle().getEyeY(), this.getHandle().getZ());
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+ Vec3 vec3d1 = new Vec3(loc.getX(), loc.getY(), loc.getZ());
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+ if (vec3d1.distanceTo(vec3d) > 128.0D) return false;
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+ if (vec3d1.distanceToSqr(vec3d) > 128D * 128D) return false; //Return early if the distance is greater than 128 blocks
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+
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+ return this.getHandle().level.clip(new ClipContext(vec3d, vec3d1, ClipContext.Block.COLLIDER, ClipContext.Fluid.NONE, this.getHandle())).getType() == HitResult.Type.MISS;
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+ }
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